CN103194865B - Band method of sewing and belt loop sewing machine - Google Patents

Abstract

The present invention provides a kind of band method of sewing and belt loop sewing machine, and it during the one end to band is sutured, is eliminated unexpected band and relaxed while band is turned back by the movement of clamping part, accurately carries out band sewing.When by the one end of band and the other end to being sutured on cloth, after one end is controlled to the advance suture sutured on cloth, since the state for grasping the unstitched band in the other end using clamping part, move clamping part, by the part of the other end side compared with the grasping position of clamping part of band, configure the down position in band presser feet, decline band presser feet, the part is kept by the pressing of band presser feet, under the hold mode, clamping part is set to be moved in the way of away from band presser feet, shorten the distance along band between its grasping position and the suturing part of one end.

Description

Band method of sewing and belt loop sewing machine

Technical field

The present invention relates to a kind of band method of sewing and belt loop sewing machine.

Background technology

In existing belt loop sewing machine, using as the both ends of the band of elongated pieces of cloth, front end is inserted respectively For between double 2 forked leading sections of fork, by making the rotation reversely with each other of each fork, so as to by both ends with State after being turned back to inner side, supplies, to the needle downing position of sewing machine to being sewed on cloth（For example, referring to patent document 1）.

But, above-mentioned existing belt loop sewing machine can only carry out following most basic sewings, i.e. forked using 2 Supplementary part supply band ring, the both ends of band are sutured with the state after being turned back to inner side on cloth.

Therefore, a kind of in order to band suture with a greater variety can be carried out, recently, it is proposed that belt loop sewing machine, its tool There is the clamping part of 1 fork and clamping band（For example, referring to patent document 2）.For example, in the presence of by one end of band Portion is folded into substantially Z-shaped and the suture shape for being sewed.In the sewing machine, in the state of being clamped by clamping part An end portion of band carries out the first suture, moves clamping part, is turned back with first suturing part, is sutured from first The assigned position of the moving direction of portion's deflection clamping part, carries out the second suture, then, is moved to opposite direction by making clamping part It is dynamic, so as to band turn back at the second suturing part, sutured in the second suturing part and first by relative to the band after turning back Overlapped at position between portion, and carry out the 3rd suture, such that it is able to realize folding into the suture of the shape for Z-shaped.

Patent document 1：Japanese Unexamined Patent Publication 2003-311060 publications

Patent document 2：Japanese Unexamined Patent Publication 2010-246742 publications

But, it is as noted above in existing belt loop sewing machine, band is rolled in the movement by clamping part While returning, the one end to band is sutured, thus, it is possible to create following problems.

For example, after the second suture is carried out, moved to opposite direction by making clamping part, so that will at the second suturing part When band turns back, if as shown in Fig. 8 of patent document 2, from the second suturing part to the direction of the first suturing part without loosely rolling over Return, then have no problem, even if but clamping part is moved to extreme position sometimes, also such as Figure 18（a）It is shown to eliminate lax, So that band is heaved from the second suturing part to the opposition side of the first suturing part.In the case, if directly carrying out the 3rd suture, Then produce following problems, i.e. such as Figure 18（b）It is shown, the unexpected lax T towards outside is formed, so that the formation failure of band, It is attractive in appearance to be also deteriorated, hence it is evident that to damage commodity value.

The content of the invention

Therefore, it is an object of the present invention to while by the movement of clamping part, band is turned back, to band During one end is sutured, eliminate unexpected band and relax, carry out the good band sewing of aesthetic property.

The invention that technical scheme 1 is recorded is a kind of band method of sewing, in the method, by the one end of band and another End sutures on cloth,

Characterized in that,

After at least one position of the one end is sutured on cloth, following step is performed：

Do not suture end and keep step, in this step, from the band that described the other end is not sutured by clamping part grasping State start, the other end side pair compared with the grasping position grasped by the clamping part of the band is carried out Keep；

Grasping position moving step, in this step, in the holding of the band not sutured during end keeps step Under state, move the clamping part, shorten between its grasping position and the suturing part of the one end along the band The distance of ring；And

Do not suture end and decontrol step, in this step, after moving grasping position in the moving step of the grasping position, The holding in step is kept to release at the end that do not suture,

Then, move the clamping part, the band is turned back from the suturing part of the one end, by the band The suturing part side described in compared with the clamping part is grasped grasping position of ring, is sewn on the cloth, performs The additional suture of the one end,

Then, by described the other end to being sutured on the cloth.

The invention that technical scheme 2 is recorded is a kind of belt loop sewing machine, and it is used to be sutured on band ring cloth, tool Have：Pin reciprocating mechanism, it moves up and down suture needle；Clamping part, its can to length direction towards prescribed direction shape The band of state is grasped, and can decontrol band；Band presser feet, it passes through down maneuver and the band is pressed； Mounting table, its mounting carries out the cloth of the suture of the band；Cloth pressing, it keeps to the cloth；And clamp Member moving mechanism, it makes the clamping part be moved to the optional position of the mounting surface along the mounting table,

The belt loop sewing machine is characterised by,

When by the one end of band and the other end to being sutured on cloth, following controls are performed：

Suture control in advance, in the control, at least one position of the one end is sutured on cloth；

Do not suture end and keep control, in the control, from the band that described the other end is not sutured using clamping part grasping The state of ring starts, and the clamping part is moved using the clamping part travel mechanism, by the band with it is described The grasping position of clamping part grasping is compared to the part closer to the other end side, decline of the configuration in the band presser feet Position, declines the band presser feet, and the part is kept by the pressing of the band presser feet；

Grasping position movement control, in the control, in the holding of the band not sutured during end keeps control Under state, the clamping part is moved using the clamping part travel mechanism, shorten its grasping position and one end Suturing part between the distance along the band；And

Do not suture end and decontrol control, in the control, grasping position is moved control is moved by the grasping position Afterwards, the band presser feet is increased, keep the holding in control to release at the end that do not suture,

Then, suture control of turning back is performed, in the control, the clamping section is made using the clamping part travel mechanism Part is moved, and the band is turned back from the suturing part of the one end, and the band is grasped with by the clamping part The suturing part side compared of grasping position, be sewn on the cloth, carry out the additional suture of the one end,

Then, the other end suture control is performed, in the control, by described the other end to being stitched on the cloth Close.

The invention that technical scheme 3 is recorded, the belt loop sewing machine according to technical scheme 2, it is characterised in that in institute After stating suture control in advance, in the state of grasping the unstitched band in described the other end by clamping part, in the seam that turns back Before conjunction and the suture control of described the other end, following selections controls are performed, i.e. selection is that end guarantor is not sutured described in execution Hold control, grasping position movement control and the end that do not suture and decontrol control, still omit these controls.

The invention that technical scheme 4 is recorded, the belt loop sewing machine according to technical scheme 2 or 3, it is characterised in that Make by the advance suturing part that eventually forms of suture control, do not sutured during end keeps control described, to the band After the clamping part side shifting that the down position of presser feet is compared, decline the band presser feet.

Additionally, on band, " one end " represents the end that the end for first suturing, " the other end " suture after representing, will The sutured position of " one end " is referred to as " suturing part of one end "." the seam eventually formed by suture control in advance Conjunction portion ", it is and advance in the case where the advance suture is controlled to the control that a position of " one end " is sutured on cloth Suture control finish time " suturing part of one end " it is identical, this it is advance suture be controlled to by " one end " more than or In the case of the control being sutured on cloth equal to 2 positions, equivalent in advance suture control finish time " one end The position of last suture, different from " suturing part of one end " in suturing part ", are included in " suturing part of one end " In.

The effect of invention

According to technical scheme 1 record invention, by pair with band clamped part grasp grasping position compared with Unstitched the other end side is kept, the grasping position that the clamped part such that it is able to make band is grasped, with do not stitch The other end of conjunction compared to being moved close to the mode of the suturing part of one end along band, the movement by clamping part by this While band afterwards turns back, during the one end to band is sutured, the lax of unexpected band can be eliminated, Accurately carry out band sewing.

According to technical scheme 2 record invention, by using the band presser feet used when band is sutured, pair with band Unstitched the other end side that the grasping position of clamped part grasping is compared is kept, such that it is able to make being pressed from both sides for band The grasping position of tight part grasping, by compared with unstitched the other end along band close to one end suturing part in the way of It is mobile, while band hereafter is turned back in the movement by clamping part, in the mistake that the one end to band is sutured Cheng Zhong, can eliminate the lax of unexpected band, accurately carry out band sewing.Due to using band presser feet, so being not required to Add the mechanical structure for moving grasping position.

According to the invention that technical scheme 3 is recorded, when such as band need not turn back, band produces unexpected lax situation It is this, in the case of the grasping of clamping part is located away from the suturing part of one end, it is convenient to omit unwanted not suture End keeps control, grasping position to move control and do not suture end and decontrols control, efficiently carries out band sewing.

According to the invention that technical scheme 4 is recorded, due to by the suturing part that eventually forms of suture control in advance, to band The clamping part side shifting that the down position of presser feet is compared, so in the movement control of grasping position, clamping part can be expanded Movable range, can reliably shorten clamping part grasping position and the suturing part of one end between along band away from From.

Brief description of the drawings

Fig. 1 is the overall oblique view for representing the belt loop sewing machine involved by an embodiment of the invention.

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

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

Fig. 4 is the explanatory diagram for representing the multiple parameters set in the case where Z-shaped shape sewing is carried out.

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

Fig. 6 is the oblique view of another example of the suture shape for representing band.

Fig. 7 is the flow of a beginning part for the flow for representing the band sewing control involved by the 1st aspect of the present invention Figure.

Fig. 8 is of the flow for representing the band sewing control involved by the 1st aspect of the present invention after Fig. 7 The flow chart for dividing.

Fig. 9 is of the flow for representing the band sewing control involved by the 1st aspect of the present invention after Fig. 8 The flow chart for dividing.

Figure 10 is the side-looking of the corresponding band of the step of sewing control with the band involved by the 1st aspect of the present invention etc. Schematic diagram.Marked corresponding step label simultaneously.

Figure 11 is the side-looking of the corresponding band of the step of sewing control with the band involved by the 1st aspect of the present invention etc. Schematic diagram.Marked corresponding step label simultaneously.

Figure 12 is the side-looking of the corresponding band of the step of sewing control with the band involved by the 1st aspect of the present invention etc. Schematic diagram.Marked corresponding step label simultaneously.

Figure 13 is the side-looking of the corresponding band of the step of sewing control with the band involved by the 1st aspect of the present invention etc. Schematic diagram.Marked corresponding step label simultaneously.

Figure 14 is the side-looking of the corresponding band of the step of sewing control with the band involved by the 1st aspect of the present invention etc. Schematic diagram.Marked corresponding step label simultaneously.

Figure 15 is the side-looking of the corresponding band of the step of sewing control with the band involved by the 1st aspect of the present invention etc. Schematic diagram.Marked corresponding step label simultaneously.

Figure 16 is the side-looking of the corresponding band of the step of sewing control with the band involved by the 1st aspect of the present invention etc. Schematic diagram.Marked corresponding step label simultaneously.

Figure 17 is to represent being replaced with first method for the flow that the band sewing involved by the 2nd aspect of the present invention is controlled Part flow chart.

Figure 18 is the schematic side view for illustrating problem of the invention, band etc..

The explanation of symbol

10 belt loop sewing machines

11 suture needles

30 clamp systems（Clamping part travel mechanism）

31 clamping parts

38 forks

50 first travel mechanisms

51 mounting tables

52 band presser feets

70 cloth pressing mechanisms（Second travel mechanism）

71 cloth pressings

74 second cloth Y-axis motor（Cloth feed motor）

B bands

C clothes

Specific embodiment

（The summary of apparatus for sewing）

Below, based on accompanying drawing, embodiments of the present invention are described in detail.

In Fig. 1 to Fig. 3, belt loop sewing machine 10 has：Pin reciprocating mechanism (not shown), it makes in suture needle 11 Lower movement；Clamp system 30, it has clamping part 31, and the clamping part 31 is used to clamp the band B towards prescribed direction；Cloth Band feed mechanism 60, it supplies the jointless strap of banding for turning into the material of band B to clamp system 30；Band presser feet machine Structure 50, it has mounting table 51 and band presser feet 52, and the mounting table 51 loads the cloth C for carrying out band B sutures, the band Presser feet 52 is pressed band B by the down maneuver to the mounting table 51；Lax mechanism 65, it has makes band B's The lax lax part 66 of ring portion；Cloth pressing mechanism 70, it has the cloth pressing 71 for keeping cloth C；Sewing machine stand 2；Container mechanism (not shown)；And control unit 80, it is controlled to above-mentioned each structure.

（Sewing machine stand）

Sewing machine stand 2 has：Sewing machine base portion 2a, its built-in container mechanism；Longitudinal body portion 2b, it is from sewing machine base The one end of portion 2a is uprightly set；And sewing machine arm 2c, its built-in pin reciprocating mechanism.In addition, sewing machine arm 2c Extend to sewing machine base portion 2a identicals direction.

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 to Y direction, by level and the direction orthogonal with Y direction is set to X-direction, vertical above-below direction is set to Z Direction of principal axis.The need for according to explanation, the facing side of the one end side in Y direction and sewing machine arm 2c is referred to as " front side ", The other end side in Y direction and longitudinal body portion 2b sides are referred to as " rear side ".

（Pin reciprocating mechanism and container mechanism）

Pin reciprocating mechanism is identical with known structure, is made up of following part：Needle bar, it is in sewing machine arm 2c Anterior end inside, can be supported up or down, and its bottom keep suture needle；Sewing machine electromotor 13, its As the driving source that needle bar is moved up and down；Main shaft, it carries out rotation driving by sewing machine electromotor 13；And crank mechanism, its The rotation driving of main shaft is transformed to move up and down, and is transmitted to needle bar.

Container mechanism is the container mechanism for using so-called semi-rotating kettle, is the front side for being pivotally supported at sewing machine base portion 2a The inner side of end, and positioned at the known features of needle downing position bottom.

（Strap feed mechanism）

Strap feed mechanism 60 is configured in the front side of clamp system 30, in the anterior end of the strap feed mechanism 60, tool There is the strap introducing port of endless belt shape（Omit diagram）, the strap feed mechanism 60 has：Extract motor 62 out, it is to conveying Roller 61 carries out rotation driving, and be delivered to for the jointless strap imported from the introducing port and be arranged on taking out for rear side by the conveying roller 61 Outlet；And cut-out cylinder 64, it drives cutter 63, the cutter 63 to cut off strap with the length for specifying.By strap The length of each band B for cutting and being formed, is determined by controlling the drive volume of extraction motor 62 by control unit 80 's.

Additionally, clamp system 30, sets the receiving port (not shown) of band B and for entering to X, Y direction on front side of it The mobile structure of row, receiving port move and close to the outlet port of strap feed mechanism 60, such that it is able to carry out connecing for band B Receive.

（Clamp system）

Clamp system 30 relative to sewing machine stand 2, from front side（Facing side）Observed in the state of rear side, configured on the right side Side.In the following description, " right side " is represented in the direction parallel with X-direction and from front side（Facing side）In the state of rear side Observation, is the direction on right side, and " left side " expression is in the direction parallel with X-direction and from front side（Facing side）In the state of rear side Observation, is the direction in left side.

Clamp system 30 has：Clamping part 31, it is clamped by the upside clamping part 31a of clamping band B and downside Part 31b is constituted；Seat 32 is kept, it keeps to clamping part 31；Clamping part cylinder 33, it is to upside clamping part Apply lifting action, the clamp position and relieving state of switching band B；Supporting table 34, its support keep seat 32, allow its Moved in X-direction, Y direction and Z-direction；Clamping part X-axis motor 35, it applies along X-axis to holding seat 32 The shift action in direction；Clamping part Y-axis motor 36, it applies along the shift action of Y direction to holding seat 32；And Clamping part Z axis cylinder 37, it applies along the shift action of Z-direction to holding seat 32.

As shown in figure 3, clamping part 31 is arranged on the left end for keeping seat 32, downside clamping part 31b is fixedly mounted on guarantor Hold on seat 32, upside clamping part 31a can up or down be supported on the surface of downside clamping part 31b.In addition, upside presss from both sides Tight part 31a, concave maintaining part is formed in its front end lower surface, with make band B chimeric with the maintaining part mode to band Ring B is kept.Band B is maintained in maintaining part by chimeric, so that so that its length direction is protected along the state of Y direction Hold.

Clamping part is arranged on cylinder 33 and kept on seat 32, by the moving back and forth of its plunger, upside can be clamped The rising relieving action and decline holding action of part 31a are switched over.Additionally, will be using clamping part cylinder 33 to band The holding pressure of B is adjusted to, if band B is subject to along the tension force to a certain degree of Y direction, the degree that can be extracted.

Keep seat 32 for example to be combined with the sliding guide portion that can be slided along all directions such as X, Y, Z axis directions, be supported on On support platform 34, can be moved to these directions.In addition, passing through clamping part X, Y-axis motor 35,36 and Z axis cylinder 37 Co-operating, clamping part 31 can be made to be moved to arbitrary position along X-Y plane, for example apply following actions etc., i.e. By band B from receiving position to the conveying of the execution position of sewing, or in the multiple positions to band B suture the situation of sewing Under, the action for making band B be moved along Y direction between each sewing.That is, clamp system 30 is used as " clamping part travel mechanism " Work.

In addition, keeping setting fork 38 on seat 32 simultaneously（Diagram is omitted in figure 3）, itself and the edge of clamping part 31 Y direction is adjacent.

Fork 38 is formed as two forked, and 2 clavas are from the leading section of the base portion extended along X-direction（Left end Portion）, further extend to the left, the gap of the tines being made up of this 2 clavas is passed through by making band B, enclose base portion Rotated around Y-axis, it is possible thereby to the end of band B is turned back.The fork 38 is supported on holding seat 32, can be along X-direction Retreat and move, moving back and forth is applied with cylinder 40 using fork, when advancing, in the position arranged side by side with clamping part 31 Put, when retreating, the right to clamping part 31 is kept out of the way.In addition, the spinning movement around Y-axis of fork 38, is to pass through What revolving actuator 41 applied.

（Lax mechanism）

Lax mechanism 65 has：Pedestal 65a, it is arranged on sewing machine base portion 2a；Feed shaft 65b, it is from pedestal 65a Retreated along Y direction and moved；Mobile foundation 65c, its leading section for being maintained at feed shaft 65b；And lax part 66.Flaccid part Part 66 is arranged on the right part of mobile foundation 65c, can be rotated in the range of predetermined angular about the z axis.Taken on pedestal 65a Lax motor 68 is carried, by the action of the motor 68 that relaxes, makes feed shaft 65b along its axial direction, i.e. Y direction is retreated and moved, Accompany with this, the mobile foundation 65c and lax part 66 being supported on feed shaft 65b retreat along Y direction and move.In movement Lax part cylinder 67 is carried on pedestal 65c, by the action of the part cylinder 67 that relaxes, makes lax part 66 about the z axis Predetermined angular in the range of rotate.By the rotation of the part 66 that relaxes, flaccid part part 66 can be made in the standby area away from band B Domain and contacted with band B and be pressed into and make to be acted in the lax whole operating areas of band B.

In addition, if apply the shift action to Y direction using lax motor 68, then to band to length direction Slack be controlled.

（Band presser foot device）

The mounting table 51 of band presser foot device 50, is supported on the top of sewing machine base portion 2a, can along X-direction and Y direction is moved.In addition, the upper surface of mounting table 51 is the horizontal plane parallel with X-Y plane, the mounting cloth C in sewing. In addition, mounting table 51 is formed with pin hole, its underface for being located at needle bar inserts suture needle 11 in needle downing position.

In addition, band presser foot device 50 has：Cloth X-axis motor 53, its make mounting table 51 along X-direction arbitrarily It is mobile；And cloth Y-axis motor 54, it makes mounting table 51 arbitrarily be moved along Y direction, above-mentioned each motor 53,54 Pulse motor is, encoder 55,56 is installed on respective output shaft.Cloth X-axis motor 53 and Y-axis motor 54 carry out feedback control based on the outputs of each encoder 55,56, so as to fall pin synchronously with every pin, to band B and cloth C Positioned, the pin that falls is carried out with the needle downing position specified determined by tailoring pattern.

In addition, the end of the rear side in mounting table 51, upright to set crane 58, it can up or down support band pressure Pin 52, mounting table 51 and band presser feet 52 are integratedly moved in X-direction and Y direction.In addition, band presser feet 52 Lifting carried out with cylinder 57 by band presser feet, by decline, band B and cloth C are pressed from the top to the bottom Keep, by rising, band B and cloth C is decontroled.

Band presser feet 52, has the frame of rectangular shape slightly wide compared with the width of common band B in its underpart Body 52a.In belt loop sewing machine 10, due to during the suture of band B sewing, implementing once to repeatedly along band B Width sewing, so the framework 52a of band presser feet 52 be dimensioned so as to more than along band B width one The size of secondary sewing.

Band presser foot device 50 utilizes said structure, the band B that will can be kept by band presser feet 52 in mounting table 51 with And cloth C running fixes are on the arbitrary position along X-Y plane, worked as " travel mechanism ".

（Cloth pressing mechanism）

The cloth pressing 71 of cloth pressing mechanism 70 is framework of the top view in substantially C-shaped, is set as and mounting table 51 compared to smaller, larger compared with the framework 52a of band presser feet 52.The cloth pressing 71 is configured to, in the upper table of mounting table 51 Face, around the framework 52a of band presser feet 52, but is supported on sewing machine base using the supporter 72 beyond mounting table 51 On portion 2a, can move and can lift along Y direction.The lifting action of cloth pressing 71 is by cloth pressing cylinder 73 Carry out, by declining, cloth C is pressed into holding from the top to the bottom, decontroled cloth C by rising.

In addition, the Y direction movement of cloth pressing 71, is to enter the second cloth Y-axis motor 74 as driving source Capable.The second cloth Y-axis motor 74 is pulse motor, can arbitrarily control cloth pressing 71 to make cloth C to Y-axis The amount of movement in direction.

Cloth pressing mechanism 70 utilizes said structure, the cloth C that will can be kept by cloth pressing 71 in mounting table 51, moves The dynamic direction being positioned at along band B directions（Y direction）Arbitrary position, worked as " travel mechanism ".

（The control system of belt loop sewing machine）

Control unit 80 has：CPU81, it carries out various treatment and control；ROM82, it is written into for performing band The operation control program and set information of the action control of circumferential weld machine for sewing 10；As the RAM83 of working region, its In the treatment of CPU81, various data are stored；And EEPROM84, it records various setting datas.

In addition, control unit 80 has the I/O for various control objects and encoder 55,56 to be connected with CPU81 Interface 85.That is, via above-mentioned I/O interfaces 85, sewing machine electromotor 13, clamping part is electronic with X-axis with cylinder 33, clamping part Machine 35, clamping part Y-axis motor 36, clamping part Z axis cylinder 37, revolving actuator 41, fork cylinder 40, Lax cylinder 67, lax motor 68, cloth pressing cylinder 73, the second cloth Y-axis motor 74, cut-out cylinder 64, Extract out motor 62, cloth X-axis motor 53, cloth Y-axis motor 54, band presser feet cylinder 57, encoder 55 and 56 are connected with CPU81.Additionally, each cylinder 33,37,40,42,57,64,73, carries out intake and exhaust not via to each cylinder The magnetic valve of diagram, acts to it and is controlled.

In addition, it is as noted above, in control unit 80, via the attended operation unit 86 of I/O interfaces 85 and starting switch 89, the operating unit 86 has for being input into the touch-screen 87 of various settings and carrying out the display panel 88 that set information shows, The starting switch 89 input sewing starts.

In belt loop sewing machine 10, as the suture shape of band, except by both ends, inner side is turned back to each other Beyond most basic shape, also keep the suture shape of extension state, roll over by the one end of band with end not being turned back It is stacked as suture shape for being sewed in the state of substantially Z-shaped etc..

Carrying out above-mentioned suture shape（Hereinafter referred to as Z-shaped shape）Sewing in the case of, as shown in Figure 4, it is necessary to set many Individual parameter, its input is what is carried out by the touch-screen 87 of operating unit 86.Herein, parameter is illustrated.The sewing of Z-shaped shape, with Stitching L1, L2, L3, L4's sequentially forms.It is corresponding, as parameter, using the setting stitching of operating unit 86 L1-L2's Apart from m1, stitching L2-L3 apart from m2, the value apart from m3 of stitching L3-L4.Additionally, Fig. 5 represents suture corresponding with Fig. 4 The oblique view of the band B of shape, Fig. 6 is represented and the end that forms stitching L4 is not turned back and the suture shape of extension state is kept The oblique view of band B.In the suture shape shown in Fig. 5 and Fig. 6, it is also possible to which stitching L3 is omitted in selection.

In addition, in addition, as the parameter of the sewing for carrying out Z-shaped shape, following setting is carried out using operating unit 86 It is fixed, i.e. for each stitching L1~L4, using which kind of tailoring pattern（Set the species of sewing, such as each stitching, selection Which kind of in locking sewing, flat-seam etc. is sewed）The setting for being sewed, and length, the width etc. of band B setting.

The setting content of above-mentioned parameter is recorded in EEPROM84, when control is sewed by reference.Additionally, in order to be formed Control parameter necessary to the tailoring pattern of each stitching of selection（In order to carry out necessary to locking sewing or flat-seam for each The actuating quantity of pin or the order of action etc.）It is the parameter of regulation, is set in advance in ROM82 or EEPROM84, their value Also by reference.

Additionally, the setting of above-mentioned various parameters is an example, for them, for example, fixation can also be predefined Value, and with reference to these fixed values.Alternatively, it is also possible to by the numerical value of the transmission range m2 of operating unit 86 in itself, and need not set Fixed other distances, using other distances, can be calculated apart from m2, thus, it is possible to substantially obtain by addition subtraction multiplication and division computing Apart from m2（As long as example, the distance of the distance of setting stitching L1-L2 and stitching L1-L3, it is possible to using the subtraction of these values Treatment is obtained apart from m2）.

（Band sewing control（Method）First method）

Herein, reference picture 7 to Fig. 9 flow chart and schematic diagram corresponding with each step, especially to need the present invention Grasping position movement control（Grasping position moving step）Above-mentioned Z-shaped shape sewing as a example by, to comprising by control unit 80 CPU81 according to regulation program perform grasping position move control（Grasping position moving step）Band sewing control （Band method of sewing）Illustrate.

It is provided for sewing the cloth C of band B in sewing machine 10, if operating personnel presses starting switch 89（Step Rapid S1, Figure 10（a））, then cloth pressing cylinder 73 driven, decline cloth pressing 71, pressing cloth C（Step S2, Figure 10 （b））.

Then, clamping part X-axis motor 35 is driven, makes to grasp band B and standby clamping part in advance 31 advance to the left in X direction, and band B is supplied to suture location（Step S3, Figure 10（c））.

Then, clamping part Z axis cylinder 37 is driven, declines clamping part 31（Step S4, Figure 10（d））.

Then, band presser feet cylinder 57 is driven, declines band presser feet 52, cloth C and band B are carried out Pressing（Step S5, Figure 11（a））.

Then, clamping part Z axis cylinder 37 is driven, clamping part 31 is increased, then, drive clamping part With Y-axis motor 36, side shifting forward（Step S6, Figure 11（b））, additionally, when the clamping part 31 is moved, to clamping part It is controlled with cylinder 33, clamping part 31 is weakened the grasping pressure of band B, along with the movement of clamping part 31, is made Slided along band B the grasping position of clamping part 31.

Then, drive sewing machine electromotor 13, sewing machine 10 is carried out sewing action, execution forms the first of stitching L1 Suture, after the first suture is performed, drives band presser feet cylinder 57, band presser feet 52 is increased（Step S7, Figure 11（c））.

Then, clamping part Y-axis motor 36 is driven, clamping part 31 is being entered same below band presser feet 52 When, the top of the stitching L1 after having carried out above-mentioned first suture is moved to the rear side of the framework 52a of band presser feet 52, and And the second cloth Y-axis motor 74 is driven, make the side shifting forward of cloth pressing 71, thus by band B from stitching L1 to rear side Turn back, and the second suture location on the cloth C for forming stitching L2 is configured in needle downing position（Step S8, Figure 11（d））.This Outward, at the latest before the execution of this step, the clamping section that clamping part cylinder 33 will be controlled and be weakened in step s 6 The grasping pressure of part 31 recovers to original state.

Then, band presser feet cylinder 57 is driven, declines band presser feet 52, cloth C and band B are pressed （Step S9, Figure 12（a））.

Then, drive sewing machine electromotor 13, sewing machine 10 is carried out sewing action, execution forms the second of stitching L2 Suture, after the second suture is performed, drives band presser feet cylinder 57, band presser feet 52 is increased again（Step S10, Figure 12 （b））.

Additionally, by the above, the one end of band B is terminated to the advance suture control sutured on cloth C.Formed Second suturing part of stitching L2 is equivalent to the suturing part eventually formed by suture control in advance.

At least at this stage, in being sutured in one end on cloth C by clamping part 31 and the other end is unstitched The state that band B is grasped.

Performed since above-mentioned state and do not suture end holding control（Do not suture end and keep step）.That is, by clamping section The clamping part Y-axis motor of part travel mechanism is controlled, so that the side shifting forward of clamping part 31, by band B's The part B1 of the unstitched the other end side compared with the grasping position of the grasping of clamped part 31, configures in band presser feet 52 Down position（Step S11, Figure 12（c））, band presser feet cylinder 57 is driven, decline band presser feet 52, by band pressure The pressing of pin 52 and part B1 is kept（Step 12, Figure 12（d））.In addition, not suturing end holding control at this（S11） In, cloth pressing mechanism 70 is controlled, in the second suturing part for making to be eventually formed by suture control in advance（Stitching L2） After being moved to the rear side compared with the down position of band presser feet 52, continue to drive band presser feet cylinder 57, make band pressure Pin 52 declines.

If in the second suturing part（Stitching L2）On, pressed using 52 couples of non-suturing part B1 of band presser feet, then connecing In the grasping position movement control got off, it is impossible to by the grasping position of clamping part 31 and the second suturing part（Stitching L2）Between The distance along band B, be set to than the second suturing part from band B（Stitching L2）The length of the half of the part of extension is small. But, by making the second suturing part（Stitching L2）After being moved to the rear side compared with the down position of band presser feet 52, make band Ring presser feet 52 declines, i.e. compared with the pressing position of band presser feet 52, makes the second suturing part（Stitching L2）Side shifting backward, from And can be in the movement control of ensuing grasping position, by the grasping position of clamping part 31 and the second suturing part（Stitching L2） Between the distance along band B be set to it is smaller.Above-mentioned second suturing part（Stitching L2）Movement be to carry out under the following conditions , i.e. from clamping part 31, by band B pull-outs, non-suturing part B1 will not be short to nothing at a distance of the development length of clamping part 31 Method is pressed the degree of non-suturing part B1 by band presser feet 52.

Then, the movement control of grasping position is performed（Grasping position moving step）.That is, in end holding control is not sutured Under the hold mode of band B, it is controlled by clamping part cylinder 33, so that clamping part 31 is decontroled to band B Grasping, and using clamping part travel mechanism, make the side shifting backward of clamping part 31, band B is grasped again, so as to shorten The position of the grasping position and formation stitching L1 and L2 is the distance along band B between the suturing part of one end（Step S13, Figure 13（a））.

Then, perform and do not suture end relieving control（Do not suture end and decontrol step）.That is, band presser feet cylinder 57 is driven, Band presser feet 52 is increased, end will not sutured and keep the holding in control to release（Step S14, Figure 13（b））.Now, if will Figure 12（c）And Figure 13（b）It is compared, then understands：Figure 13 after this step（b）In, non-suturing part B1 is at a distance of clamping part 31 development length is elongated.Accordingly, the grasping position of clamping part 31 and the second suturing part（Stitching L2）Between edge band The distance of ring B shortens.

Then, clamping part Y-axis motor 36 is driven, clamping part 31 is moved to the front side compared with band presser feet 52 It is dynamic, also, the second cloth Y-axis motor 74 is driven, make the side shifting forward of cloth pressing 71, thus by band B from stitching L2 Turned back to front side, also, the 3rd suture location on the cloth C for forming stitching L3 is configured in needle downing position（Step S15, figure 13（c））.In the movement, clamping part cylinder 33 is controlled, the grasping pressure of clamping part 31 is weakened, by band Ring B is turned back with appropriate tension force, meanwhile, come off with not causing unstitched the other end to depart from the grasping of clamping part 31 Degree, will grasp position and is offset to the side that do not suture of clamping part 31 along band B.

Clamping part 31 can be made for control clamping part Y-axis motor 36 away from stitching L2 side shiftings forward , mechanically there is the limit in amount of movement.In the case of being carried out step S15 and later step after step slo, even if will Clamping part 31 is moved to the extreme position of front side, is also unsatisfactory for the amount of tension needed for correctly being turned back to front side from stitching L2, May be such as Figure 18（b）Shown, the rear side occurred in stitching L2 forms unexpected lax T and band is formed the situation of failure. In this case, by performing step S11 to step S14, so as to the grasping position with clamping part 31 and the second suturing part（Stitching L2）Between the distance along band B shorten it is corresponding, and reduce needed for amount of tension, therefore, it can such as Figure 13（c）、（d）Institute Show, correctly turned back to front side from stitching L2.It is so-called correctly to turn back, refer to by grabbing that clamping part 31 is grasped in band B Hold position and as the stitching for turning back a little（It is herein stitching L2）Between part at, lax, the drum that cannot be allowed are not produced Rise.

Then, clamping part Z axis cylinder 37 is driven, declines clamping part 31（Step S16, Figure 13（d））.

Then, band presser feet cylinder 57 is driven, declines band presser feet 52, cloth C and band B are pressed （Step S17, Figure 14（a））.

Then, sewing machine electromotor 13 is driven, sewing machine 10 is carried out sewing action, execution forms the 3rd seam of stitching L3 Close, after the 3rd suture is performed, band presser feet cylinder 57 is driven again, band presser feet 52 is increased（Step S18, Figure 14 （b））.Additionally, the in the manner the 3rd sutures the additional suture of the one end equivalent to band, step S15 is suitable to step S18 The step of suture of turning back is controlled.

Then, clamping part Z axis cylinder 37 is driven, clamping part 31 is increased, then drive clamping part Y-axis electricity Motivation 36, side shifting, band B is turned back from stitching L3 backward（Step S19, Figure 14（c））.

Then, lax mechanism 65 is controlled, to being put into lax part 66 in the bending section of band B（Step S20, Figure 14（d））.

Then, cloth pressing mechanism 70 and lax mechanism 65 are controlled, cloth pressing 71 is controlled, make cloth C side shiftings backward, and the side shifting backward together with lax part 66 are expected, in addition, driving clamping part Y-axis motor simultaneously 36, make the side shifting forward of clamping part 31, thus, band B is adjusted to the band ring length of regulation, also, stitching L4 will be formed Cloth C on the 4th suture location, configure in needle downing position（Step S21, Figure 15（a））.

Then, clamping part Z axis cylinder 37 is driven, declines clamping part 31（Step S22, Figure 15（b））.

Then, band presser feet cylinder 57 is driven, declines band presser feet 52, cloth C and band B are pressed （Step S23, Figure 15（c））.

Then, lax mechanism 65 is controlled, lax part 66 is extracted and standby from band B, then driven and clamp Part Z axis cylinder 37, rises clamping part 31, band B is decontroled, and drive clamping part X-axis motor 35, edge X-direction is retreated to the right（Step S24, Figure 15（d））.

Then, sewing machine electromotor 13 is driven, sewing machine 10 is carried out sewing action, execution forms the Fpir Crevices of stitching L4 Close, after the 4th suture is performed, drive band presser feet cylinder 57, band presser feet 52 is increased（Step S25, Figure 16（a））.

Additionally, the 4th suture sutures control equivalent to by the other end of band B to the other end that cloth C is sutured The step of.

Then, cloth pressing cylinder 73 is driven, cloth pressing 71 is increased, cloth C decontroled, bundling article circumferential weld system （Step S26, Figure 16（b））.

In the band sewing of the 1st mode described above, the band of the mode shown in Fig. 6 is formed.In the present invention, by After being not limited to suture the other end mode, even if so sewing Fig. 5 shown in mode band in the case of, with Upper explanation do not suture end keep control, grasping position movement control and do not suture end decontrol control it is also certainly effective. In addition, in the band sewing of the 1st mode described above, between the second suture and the 3rd suture, applying and not suturing end Control, the movement of grasping position is kept to control and do not suture end to decontrol control, but it is also possible to end will not sutured and kept control, grasped Position movement controls and does not suture end relieving control to be applied between the first suture and the second suture.Above-mentioned application can pass through The one end of band presser feet 52 is set to decline and realize during step S7 and S8.

（Band sewing control（Method）Second method）

Below, the flow chart of reference picture 17, sews to band of the invention and controls（Band method of sewing）Second method Illustrate.

It is as noted above, in the 1st mode, in the case of performing step S15 and later step after step slo, Even if clamping part 31 to be moved to the extreme position of front side, the drawing needed for being turned back to front side exactly from stitching L2 is also unsatisfactory for The amount of stretching, may be such as Figure 18（b）Shown, the rear side occurred in stitching L2 forms lax T and band is formed the situation of failure.

But, when step S10 is completed, the grasping position of clamping part 31 and the second suturing part（Stitching L2）Between edge In the case that the distance of band B is fully short, even if performing step S15 and later step after step slo, it is also possible to Band B is correctly turned back from stitching L2 to front side.

Therefore, following selection controls are imported in second method, i.e. select between step S10 and step S15, be No execution step S11 to step S14.

Flow in second method is with the difference of the 1st mode, after the step S10 in the 1st mode, insertion figure Branching step T1 shown in 17.Step S1-S10 in 1st mode is implemented in the same manner.It is the feelings of "Yes" in branching step T1 Under condition, ground implementation steps S11 and later step identical with the 1st mode.In the case of being "No" in branching step T1, do not hold Row step S11-S14, ground implementation steps S15 identical with the 1st mode and later step.

It is as noted above in branching step T1, to whether by the grasping position of clamping part 31 to the second suturing part（Line Mark L2）Lateral deviation shift-in row selection.That is, choose whether to perform above-mentioned grasping position movement control.

For whether needing to perform the judgement of grasping position movement control, can be carried out by following manner, i.e. according to institute The each several part size equal-specification of each parameter and belt loop sewing machine during the suture of the band of formation, enters to be about to band B correct Turn back needed for amount of tension and the maximum amount of movement of clamping part 31 between comparison operation etc..I.e., it is possible to according to hypothesis Ignore clamping part 31 moving limit and the clamping part 31 during state that imagination correctly turns back band B grasping position Put, if be the position of the moving limit beyond clamping part 31, so as to be judged.Beyond the mobile pole of clamping part 31 In the case of limit, due to needing the movement control of grasping position, so "Yes" is selected in branching step T1, it is identical with the 1st mode Ground implementation steps S11 and later step.In the case of without departing from the moving limit of clamping part 31, in branching step T1 Middle selection "No", step S11-S14 is not performed, identically with the 1st mode implementation steps S15 and later step.

The grasping position of the clamping part 31 when being assumed to be the state that band B correctly turns back, can be complete in step S10 Into when Figure 12（b）In the state of shown, according to the length of the band B the grasping position from stitching L2 to clamping part 31 And calculate.Actually turn back and acknowledgement state in the case of, because clamping part 31 in practice cannot exceed moving limit, So such as Figure 18（a）It is shown, unacceptable can relax, heave and confirm with according to whether producing.

Specifically, for example, CPU81 is in branching step T1, sewing operation is temporarily ceased, is sent out via operating unit 86 Go out the input requirements for whether needing " moving grasping position ".Operating personnel visually confirms the hold mode of band B, to operating unit Whether 86 inputs need " moving grasping position ".For CPU81, if input " needs " " movement of grasping position ", selection point "Yes" in branch step T1, if input " not needing " " movement of grasping position ", selects the "No" in branching step T1 and hold Row treatment.

For the visual confirmation of less important work personnel, CPU81 can also be in branching step T1 when temporarily ceasing, and such as schemes 18（a）It is shown, clamping part 31 is moved to the moving limit of side of turning back and is stopped.If such as Figure 18（a）Shown band B is present Unacceptable to relax, heave, then operating personnel can easily be determined that, and be input into " needs " " movement of grasping position ", receive To after this information, CPU81 performs step S11 and later step.If such as Figure 13（c）Shown band B does not exist can not be held Relaxing, heaving perhaps, then operating personnel can easily be determined that, and be input into " not needing " " movement of grasping position ", receive this After one information, CPU81 performs step S16 and later step.

The sensor or camera that can certainly be detected by the hold mode to band B and based on being examined The arithmetic element that the information measured carries out the comparison operation of required amount of tension and maximum amount of movement constitutes sewing machine 10, to replace making Whether industry personnel implement the above-mentioned visual identity carried out by operating personnel and need the judgement of " moving grasping position ".

According to the flow of above-mentioned second method, in the case where step S11-S14 is not needed, do not perform these steps and Omitted, the sewing time can be shortened, efficiently carried out band sewing.

Claims (5)

1. a kind of band method of sewing, in the method, the one end of band and the other end is sutured on cloth,

Characterized in that,

After at least one position of the one end is sutured on cloth, following step is performed：

Do not suture end and keep step, in this step, from the shape of the band that described the other end is not sutured by clamping part grasping State starts, and the other end side pair compared with the grasping position grasped by the clamping part of the band is protected Hold；

Grasping position moving step, in this step, in the hold mode of the band not sutured during end keeps step Under, move the clamping part, shorten between its grasping position and the suturing part of the one end along the band Distance；And

Do not suture end and decontrol step, in this step, after moving grasping position in the moving step of the grasping position, by institute The holding not sutured in end holding step is stated to release,

Then, move the clamping part, the band is turned back from the suturing part of the one end, by the band The suturing part side described in compared with the clamping part is grasped grasping position, is sewn on the cloth, performs described The additional suture of one end,

Then, by described the other end to being sutured on the cloth.

2. a kind of belt loop sewing machine, it is used to be sutured on band ring cloth, has：

Pin reciprocating mechanism, it moves up and down suture needle；Clamping part, its can to length direction towards prescribed direction shape The band of state is grasped, and can decontrol band；Band presser feet, it passes through down maneuver and the band is pressed； Mounting table, its mounting carries out the cloth of the suture of the band；Cloth pressing, it keeps to the cloth；Clamping part Travel mechanism, it makes the clamping part be moved to the optional position of the mounting surface along the mounting table；And control unit, its To above-mentioned pin reciprocating mechanism, above-mentioned clamping part, above-mentioned band presser feet, above-mentioned mounting table, above-mentioned cloth pressing, above-mentioned folder Tight member moving mechanism is controlled,

The belt loop sewing machine is characterised by,

When by the one end of band and the other end to being sutured on cloth, described control unit performs following controls：

Suture control in advance, in the control, at least one position of the one end is sutured on cloth；

Do not suture end and keep control, in the control, from the band that described the other end is not sutured using clamping part grasping State starts, and the clamping part is moved using the clamping part travel mechanism, by the band with by the clamping The grasping position of part grasping is compared to the part closer to the other end side, lower decrease of the configuration in the band presser feet Put, decline the band presser feet, the part is kept by the pressing of the band presser feet；

Grasping position movement control, in the control, in the hold mode of the band not sutured during end keeps control Under, move the clamping part using the clamping part travel mechanism, shorten its grasping position with the one end The distance along the band between suturing part；And

Do not suture end and decontrol control, in the control, after grasping position is moved by grasping position movement control, make The band presser feet rises, and keeps the holding in control to release at the end that do not suture,

Then, suture control of turning back is performed, in the control, the clamping part is moved using the clamping part travel mechanism It is dynamic, the band is turned back from the suturing part of the one end, by the band and grabbing for being grasped by the clamping part The suturing part side that position is compared is held, is sewn on the cloth, carry out the additional suture of the one end,

Then, the other end suture control is performed, in the control, by described the other end to being sutured on the cloth.

3. belt loop sewing machine according to claim 2, it is characterised in that

Make by the advance suturing part that eventually forms of suture control, do not sutured during end keeps control described, to it is described After the clamping part side shifting that the down position of band presser feet is compared, decline the band presser feet.

4. a kind of belt loop sewing machine, it is used to be sutured on band ring cloth, has：

Pin reciprocating mechanism, it moves up and down suture needle；Clamping part, its can to length direction towards prescribed direction shape The band of state is grasped, and can decontrol band；Band presser feet, it passes through down maneuver and the band is pressed； Mounting table, its mounting carries out the cloth of the suture of the band；Cloth pressing, it keeps to the cloth；Clamping part Travel mechanism, it makes the clamping part be moved to the optional position of the mounting surface along the mounting table；And control unit, its To above-mentioned pin reciprocating mechanism, above-mentioned clamping part, above-mentioned band presser feet, above-mentioned mounting table, above-mentioned cloth pressing, above-mentioned folder Tight member moving mechanism is controlled,

The belt loop sewing machine is characterised by,

When by the one end of band and the other end to being sutured on cloth, described control unit performs following controls：

Suture control in advance, in the control, at least one position of the one end is sutured on cloth；

Do not suture end and keep control, in the control, from the band that described the other end is not sutured using clamping part grasping State starts, and the clamping part is moved using the clamping part travel mechanism, by the band with by the clamping The grasping position of part grasping is compared to the part closer to the other end side, lower decrease of the configuration in the band presser feet Put, decline the band presser feet, the part is kept by the pressing of the band presser feet；

Grasping position movement control, in the control, in the hold mode of the band not sutured during end keeps control Under, move the clamping part using the clamping part travel mechanism, shorten its grasping position with the one end The distance along the band between suturing part；And

Do not suture end and decontrol control, in the control, after grasping position is moved by grasping position movement control, make The band presser feet rises, and keeps the holding in control to release at the end that do not suture,

Then, suture control of turning back is performed, in the control, the clamping part is moved using the clamping part travel mechanism It is dynamic, the band is turned back from the suturing part of the one end, by the band and grabbing for being grasped by the clamping part The suturing part side that position is compared is held, is sewn on the cloth, carry out the additional suture of the one end,

Then, the other end suture control is performed, in the control, by described the other end to being sutured on the cloth,

After the advance suture control, in the state of grasping the unstitched band in described the other end by clamping part, in institute Before stating turn back suture and the suture control of described the other end, perform following selections controls, i.e. selection be perform described in not Suture end keeps control, grasping position movement control and the end that do not suture to decontrol control, still omits these controls.

5. belt loop sewing machine according to claim 4, it is characterised in that

Make by the advance suturing part that eventually forms of suture control, do not sutured during end keeps control described, to it is described After the clamping part side shifting that the down position of band presser feet is compared, decline the band presser feet.