CN85105507A - Fringing forms the driving control device of device - Google Patents
Fringing forms the driving control device of device Download PDFInfo
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- CN85105507A CN85105507A CN 85105507 CN85105507A CN85105507A CN 85105507 A CN85105507 A CN 85105507A CN 85105507 CN85105507 CN 85105507 CN 85105507 A CN85105507 A CN 85105507A CN 85105507 A CN85105507 A CN 85105507A
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- cloth
- cover fabric
- fringing
- sewing
- cloth feeding
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Abstract
The present invention relates to form simultaneously in the pocket hole fringing formation device of edging (fringing) and pocket lid on every side.In the past, by edging cloth and cover fabric on overlapping on being sew cloth, whether be in the through hole (test section) on the cloth feeding mechanism cover fabric pressing plate and the position according to the end limit of cover fabric, the startup of control Sewing machines.When cover fabric is not correctly disposed, or because the influence of noises such as dust, when the function of test section can not normally be brought into play, misoperations such as Sewing machines, central cutter can take place, and formation of the present invention, after the front end edge of having found out cover fabric on the test section, in during the back end edge of surveying cover fabric, make the output signal of optical detection device invalid, thereby prevented misoperation in the sewing process etc., can realize correct sewing operation.
Description
The present invention relates to the fringing Sewing machines.Two sewing needles are housed on the Sewing machines, are configured on the direction of intersecting with cloth feeding direction.To be sew cloth, fringing cloth and cover fabric are along table top, from the length of Sewing machines suturing part to cloth feeding direction reach regulation, in this moves, drive the Sewing machines running on one side, stitch out the parallel stitching of twice, Yi Bian between the twice stitching, cut out the pocket mouth by rag knife, cut out horn shape at the two ends in the pocket hole that cuts out by a diagonal angle cutter then.
Fig. 1, Fig. 2, Fig. 3 represent existing fringing Sewing machines.
Among the figure, A is that the main shaft (not shown) links with sewing machine electromotor 1 and mounts head of sewing machine on platen.It has the lower end a pair of sewing needle N is housed
1N
2And, and go out along the rag knife 4 above needle plate corresponding to the mid portion of two sewing needles and with the main shaft interlock with the shank 3 of main shaft interlock.
B is a cloth feeding mechanism.Its front end has splenium, is used for compressing sew cloth W, fringing cloth p and cover fabric F.Cloth feeding mechanism and pulse motor 5 interlocks can move on ready position, normal place and the operating position.Ready position is the position that splenium moves on to stitch points the place ahead on platen.Normal place is to be pressed in the position that begins to sew up predetermined point aligning stitch points of the two layers of cloth of splenium below.The operating position is from stitch points, along moving direction (cloth feeding direction), the position that forwards moves through with splenium.
C is a fold mechanism, can with driving mechanism (not drawing among the figure) interlocks such as cylinder, move to lower position and top position.Lower position is when cloth feeding mechanism B is in ready position, with the splenium co-operating, makes fringing cloth p be pressed on the W that sew cloth the position when being converted into the word of falling T shape.When the position moves on to oblique upper thus, be the top position.
D is the angle cutter mechanism, has a diagonal angle cutter 6 and 7, can touch cloth along the direction of work feed, also can break away from from contact position.When cloth feeding mechanism B when ready position moves to the operating position, angle cutter 6,7 moves to the operating position just in company with action, and forms the horn shape otch at the two ends in the pocket hole that is cut out by rag knife 4.
Now be described in further detail above each mechanism as follows.Cloth feeding mechanism B is by 10, one groups of folders of cloth pushing table cloth arm 12,12, and pressing plate 13,13 carries fabric swatch 14,14, and restraining plate 15,15 and cover fabric depression bar 16,16 constitute.Cloth pushing table 10, its underpart device can move along the axis of screw rod with the rotation of screw rod 8 on screw rod 8 that is connected with pulse motor 5 and the guide rod 9 that is parallel to screw rod 8. Folder cloth arm 12,12 is installed in the top of cloth pushing table 10 by axle 11, is subjected to the effect of spring (not drawing among the figure) elastic force at ordinary times, upwards lifts, and can pass through cylinder E again
1The below is pressed in effect (Fig. 1). Pressing plate 13,13 is fixed on the free end of folder cloth arm 12,12. Carry fabric swatch 14,14 and be contained in the top of pressing plate 13,13, and with pressing plate at intervals.Restraining plate 15,15 is configured between pressing plate 13,13 and the support plate 14,14, is subjected to the effect of the elastic force of spring at ordinary times, is arranged in the position shown in two chain-dotted lines of Fig. 3, and can be at cylinder E
2, E
2Effect under, move on among Fig. 3 on the position shown in the solid line.Cover fabric depression bar 16,16 is subjected to the elastic force of spring to be in two dashdotted positions among Fig. 3, at cylinder E at ordinary times
2, E
2Effect under, can be pressed onto among Fig. 3 on the solid line position.
Fold mechanism C can form at the lifting body (not drawing among the figure) that prescribed stroke moves up and down by compress pin 17 with air engine (not drawing among the figure) interlock.Compress pin 17 can be done relative moving up and down by corresponding lifting body, relies on the support of spring force at ordinary times, and lifting body and compress pin 17 are positioned at Fig. 1, position shown in Figure 2.Lifting body is by the effect of air engine, and state one descends thus, and compress pin 17 just is attached on the table top 2.Because be subjected to the effect of spring force, compress pin 17 can make progress slightly lifting body is relatively moved, when sewing up, not fringing cloth is pressed on the W that sew cloth lightly by the influence of the thick change of cloth thus.Transfer to when sewing up when sewing needle thrusts on fringing cloth p, just can prevent that fringing cloth p from trembleing up and down because of the effect that is subjected to frictional force.
In having the existing fringing Sewing machines of this device, the portion that distributes (photodiode) of luminous irradiation is arranged and, be fixedly mounted on the downward bent part of head of sewing machine A by 3 the place aheads of shank with these two groups of detectors 18,19 as light detection means according to whether having light to produce not with the light accepting part of signal along cloth feeding direction.Simultaneously, two Long Circle through holes 20 of being separated by before and after having on cover fabric depression bar 16,16,21(Fig. 6～Figure 12) as test section above the restraining plate 15,15 with respect to the below of through hole 20,21, are provided with reflection detector 18,19 reflection of lights surface R
1And R
2Constitute detection portion by detector and reflecting surface, when the front of cover fabric F and back are in through hole 20 and 21 respectively, interdict catoptrical situation with the front end edge of cloth and be associated, set beginning the sewing time of Sewing machines; After passing through with the back end edge of cloth, receive that again the catoptrical situation of being penetrated back by reflecting surface is associated, set stop the sewing time, angle cutter working time etc.
But, in such existing apparatus, following problem is arranged, be not configured at cover fabric on the position of regulation, perhaps, because the influence of noises such as test section place dust, in the time of can not correctly surveying cover fabric, cause abnormal startings such as Sewing machines, central cutter.
The fringing that the objective of the invention is shortcoming at the past and provide such driving control device forms device, in beginning during the back end edge of surveying cover fabric from the front end edge that detects cover fabric at test section, stop the output of optical detection device, the sewing device operate as normal has promptly prevented because the misoperation that above-mentioned noise etc. cause in sewing midway.
Fringing of the present invention forms the driving control device of device, in order to prevent in the sewing process, to produce misoperation, the test section place survey cover fabric the limit, rear and front end during in, make the output signal of optical detection device invalid, and dispose:
Produce the discriminating gear of signal according to photoreceptor to the shading state from being subjected to light state;
By detecting moving of cloth feeding mechanism, at the test section relevant with the cover fabric back end edge when the front end of cloth feeding direction is aimed at photoreceptor, the motion detection device of generation signal;
During from judgment means generation signal to motion detection device generation signal, make the invalid control device of output signal of optical detection device.
According to the present invention, can on test section, find out after the front end edge of cover fabric, to survey the cover fabric back end edge during in, make the output signal of light detection means invalid, thereby prevented the problems such as misoperation in the sewing process, obtained the effect of correctly making operation.
Fig. 1 is the front view that fringing forms device, Fig. 2 is the oblique view of the folder cloth part of Sewing machines and cloth feeding mechanism, Fig. 3 is the sectional side elevation of the duty of the folder cloth part of cloth feeding mechanism and fold mechanism, Fig. 4 is the calcspar of embodiment circuit, Fig. 5 is a program flow diagram, and Fig. 6～Figure 12 is the key diagram that concerns between expression optical detection device and the test section.
In order to describe the present invention in detail, existing (Fig. 4～12) with reference to the accompanying drawings are explained as follows.Because mechanical device is identical with aforementioned existing example, thus illustrate and be omitted, but use same numbering.
M shown in the figure
CThe well-known microprocessor of forming by central processing circuit CPU and static storage circuit ROM and dynamic memory circuit RAM.SC is the testing circuit that is associated with mobile detector and needle position detector, produces various detectable signals when detecting; Mobile detector detection cloth feeding mechanism B or fold mechanism C are to the situation of movement of each position, and needle position detector detects machine spindle moves up and down the position corresponding to shank rotational angle.HS is an initialization circuit, is associated with the operating means of setting sewing condition, produces various setting signals according to manual operation.Various detection signals and setting signal all input to the CPU of microprocessor MC.DC is an operation control circuit, is used for control cylinder E
1～E
4Wait the operation of each operating means.According to Fig. 5 program flow diagram, sewing machine electromotor 1, pulse motor 5 and operation control circuit DC are subjected to the control of CPU.
Below will the mobile control program flow chart of cloth feeding mechanism B be described by shown in Figure 5.
Setpoint distance G1(Fig. 6 at first), this is illusory work feed set amount, from ready position sewing needle drop point (N1, N2), is pushed into the distance of the front end of through hole 21 along cloth feeding direction.The start pulse motor 5 then, make cloth feeding mechanism begin to move, and judge the detected state of detector 18,19, and when being subjected to light state to be converted to the shading state, the amount of movement L1 in the time of will beginning certainly deposits city, memory block D1 in.Get distance L 0 between amount of movement L1 and sewing needle N1, N2 and the detector 18,19 as work feed set amount Le, and inferior this replaces illusory amount G1.
The numerical values recited that compares distance L 2 and work feed set amount Le then.L
2Be according to the value of setting with the initialization circuit HS of operating mechanism associated, just light, the distance to apart from the through hole 20 rear end S in cloth moving direction the place ahead the time from initial moving.Work as L
2During 〉=Le, judge whether detector 18,19 is subjected to light.Work as L
2During＜Le, or be in when being subjected to light state, handle by " front end mistake " subprogram, thereby make cloth feeding mechanism B be in the state of stopping in emergency.When judgement according to above-mentioned detector 18,19, be to be in when not being subjected to light state, will judge whether to have arrived ready position, make the front end of cover fabric F aim at needle falling point.Before not reaching ready position as yet, still to continue the judgement of detector, if reached ready position, cloth feeding mechanism B just shuts down.
Then, get above-mentioned apart from G
1With set amount Le(=D1+L
0), setting G1-Le is that illusory stitching forms cloth feed amount, then start pulse motor 5 moves cloth feeding mechanism B.At this moment, Sewing machines A is starting simultaneously also, sewing needle N
1, N
2Knee-action is seamed into stitching.The amount of movement L that will begin from ready position
3Deposit city, memory block D2 in, simultaneously with L
3+ L0(=L
4) counting.
With count value L
4With above-mentioned comparing apart from G1.Work as L
4＞G
1The time, again with count value L
4With distance G
2Compare.G
2Be to begin to retreating along cloth feeding direction from initial work feed point but do not reach the rear end of through hole 21 as yet, slightly a little bit poorer distance (according to operation sequence, can set this segment distance) is worked as L
4≤ G
2The time, judge whether detector 18,19 is subjected to light.If be not subjected to light, still continue relatively L
4With G
2If be subjected to light, be about to the calculated value L of this moment
4As setting Ls, deposit storage area D3 in.And then judge that whether this setting value has reached the position of needle falling point, just will judge whether to have reached the position that stops to sew up.If reach.Cloth feeding mechanism promptly shuts down, (Sewing machines A also shuts down simultaneously).
In addition, comparing count value L
4And G
2In, work as L
4＞G
2The time, needle falling point one arrives than aforementioned G
2Short (position that can set according to the pre-operation device) of distance during apart from GO, promptly handle by " rear end mistake " subprogram, cloth feeding mechanism B and Sewing machines A are shut down.
Embodiments of the invention have above structure, and are existing that its Action Specification is as follows.When cloth feeding mechanism B is in ready position, fold mechanism C just is in lower position, folder cloth arm 12,12 among the while cloth feeding mechanism B, the solid line position that restraining plate 15,15 and cover fabric depression bar 16,16 are among Fig. 3, thereby on the W that sew cloth,, make cover fabric F above the side of fringing cloth p, keep engaging simultaneously with the tortuous one-tenth of the fringing cloth p word of falling T shape.
Set above-mentioned distance L by operating mechanism
2, just arrive the distance of the front, through hole 20 rear end in cloth feeding direction the place ahead.Simultaneously, set above-mentioned apart from G
2, just arrive the distance of the front, through hole 21 rear end at cloth feeding direction rear.Also set the final needle falling point of the distance of GO in addition, even stop position is in the rear end of cloth for " rear end mistake ".
Begin work feed by this state, this moment, Sewing machines A did not turn round, and just by the driving of pulse motor 5, made cloth feeding mechanism B according to illusory definite value (G
1) move.As detector device 18(or 19) when being subjected to blocking of cover fabric F and being in the shading state (Fig. 7), write by amount of movement L
1Work feed set amount (the el=L that calculates
1+ L
0), replace illusory setting value with this.When amount of movement reaches setting value Le, suture needle N
1The front end that is located in cover fabric F enters ready position (Fig. 8), suspends cloth feeding mechanism B this moment.If the placement location of cover fabric F is not right, front end edge is facing to through hole 20, when detector 18 becomes the shading state and occurs in the rear end of aligned through holes 20, because by above-mentioned amount of movement L
1The work feed set amount Le that calculates is greater than above-mentioned set amount L
2, so cover fabric F just can not occur in through hole 20, formation front end mistake by " front end mistake " subprogram, promptly shuts down cloth feeding mechanism.
If belong to normal condition, reset again, cloth feeding mechanism B(is by pulse motor 5) by illusory definite value (G
1-Le) move, start Sewing machines A simultaneously.By flow chart Fig. 5 as seen, when by amount of movement L
3The calculated value L that obtains
4(=L
3+ L
0) Shang Weiqi crosses G1, the distance when just surpassing by the moving direction pusher of cloth to the front end of through hole 21, cloth feeding mechanism B just can not be subjected to the constraint of detector 18 states, continues to move.As calculated value L
4Be positioned at apart from G
1And G
2Between the time, detector 18 becomes and is subjected to light state, gets calculated value L at this moment
4As setting value Ls, as amount of movement L
3When reaching setting value Ls, cloth feeding mechanism B and Sewing machines A shut down.On the other hand, bad if place the position of cover fabric F, or be subjected to The noise such as dust, even amount of movement L
3Increase, make calculated value L
4Ratio is apart from G
3When (setting value) was big, detector 18 did not reach yet and is subjected to light state, rear end mistake (Figure 12) occurred, according to " rear end mistake " subprogram, got setting value Ls corresponding to predefined value GO, as amount of movement L
3Equal to set value Ls(corresponding to setting value Go) time, cloth feeding mechanism B and Sewing machines A shut down.
In addition, represented in the present embodiment detector 18,19 is to aim at reflecting surface R by forming
2, R
2Through hole 20,21, make photoreceptor be subjected to light by the light of reflecting surface reflection light.Also can adopt such detector, in the both sides of through hole 20,21 illuminator, photoreceptor be disposed relatively, the light of illuminator makes photoreceptor be subjected to light by through hole 20,21.
In the present embodiment, though can by operational means HS set arbitrarily cloth feeding direction the place ahead through hole 20 apart from S, also can be used as the program of predesignating and set.Equally, the through hole 21 at the cloth feeding direction rear that sets by operational means HS apart from G
0, G
2, also can be replaced by pre-set program.
Amount of movement is the pulse that inputs to pulse motor 5 by calculating in the present embodiment, and conversion predicts.
Claims (1)
- Fringing forms the control device of device, fringing form device have the cover fabric that will form the edging cloth of fringing and form the pocket lid remain on sew cloth on, and the cloth feeding mechanism of transferring along table top; By two parallel sutures above-mentioned edging cloth and cover fabric are sewn on by the Sewing machines on sewing cloth; Do in company with Sewing machines, between above-mentioned parallel two-lines mark, form the cutter mechanism in the pocket hole that is parallel to stitching; Be arranged on the cloth feeding mechanism, can reverberation between certain length or the test section by light; One group of illuminator and photoreceptor are arranged, and, be fixedly mounted on from Sewing machines and sew up the front of lighting cloth feeding direction, can or be subjected to light state to export the optical detection device of variant signal according to the shading state of photoreceptor facing to the mobile route of detecting element; The storage device of setting, be used to make cloth feeding mechanism according to photoreceptor by being subjected to light state to become the variation of shading state, move in company with the output signal of light detecting mechanism, move a segment distance and make predetermined sewing starting point aim at sewing needle, then start Sewing machines; The driving control device that such fringing forms device is characterised in that to have:Produce the discriminating gear of signal according to photoreceptor to the shading state from being subjected to light state;By detecting moving of cloth feeding mechanism, at the test section relevant with the cover fabric back end edge when the front end of cloth feeding direction is aimed at photoreceptor, the motion detection device of generation signal;During from judgment means generation signal to motion detection device generation signal, make the invalid control device of output signal of optical detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85105507 CN85105507A (en) | 1985-07-18 | 1985-07-18 | Fringing forms the driving control device of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85105507 CN85105507A (en) | 1985-07-18 | 1985-07-18 | Fringing forms the driving control device of device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85105507A true CN85105507A (en) | 1987-01-21 |
Family
ID=4794523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85105507 Pending CN85105507A (en) | 1985-07-18 | 1985-07-18 | Fringing forms the driving control device of device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85105507A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322190C (en) * | 2000-01-14 | 2007-06-20 | 重机公司 | Device for sewing panel |
| CN108576996A (en) * | 2018-05-08 | 2018-09-28 | 邦威防护科技股份有限公司 | Sleeve vent automatic flanging mold |
-
1985
- 1985-07-18 CN CN 85105507 patent/CN85105507A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322190C (en) * | 2000-01-14 | 2007-06-20 | 重机公司 | Device for sewing panel |
| CN108576996A (en) * | 2018-05-08 | 2018-09-28 | 邦威防护科技股份有限公司 | Sleeve vent automatic flanging mold |
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|---|---|---|---|
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |