CN102011275A - Correction method for extraction length of belt ring material - Google Patents

Correction method for extraction length of belt ring material Download PDF

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Publication number
CN102011275A
CN102011275A CN2010102784462A CN201010278446A CN102011275A CN 102011275 A CN102011275 A CN 102011275A CN 2010102784462 A CN2010102784462 A CN 2010102784462A CN 201010278446 A CN201010278446 A CN 201010278446A CN 102011275 A CN102011275 A CN 102011275A
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China
Prior art keywords
band material
length
clamping
extraction
clamping part
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CN2010102784462A
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Chinese (zh)
Inventor
安田俊介
北田贤治
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Juki Corp
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Juki Corp
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Publication of CN102011275A publication Critical patent/CN102011275A/en
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Abstract

The present invention provides a correction method for an extraction length of a belt ring material, which automatically and correctly detect the length of the cutting position after the kind of the belt ring material is changed with equal condition. A control part of a belt ring supply device calculates a reference extraction length according to a necessary length which is input from an input part. The control part controls an extraction device for extracting the reference extraction length. After the belt ring material is extracted, a pulling-out device is used so a clamping part gradually moves relatively to the belt ring material. The clamping part is driven in moving. A clamping sensor is used for detecting whether the clamping part clamps the belt ring material. Based on a detection result of a position detection unit, a spacing distance between a clamping position of the clamping part and an extraction outlet position of the extraction device is calculated. The spacing distance is used as an actual extraction length of the belt ring material. According to the difference between the reference extraction length and the actual extraction length, the reference extraction length is corrected for keeping the actual extraction length and the necessary length consistent.

Description

The band material is extracted the bearing calibration of length out
Technical field
The present invention relates to a kind ofly supply with the bearing calibration that band material in the band material feeding apparatus of band material of specific length is extracted length out to Sewing machines.
Background technology
Current, making in the operation of trousers etc., the band that existence will be used to insert waistband is made the operation on waist, the making operation and can utilize the band sewing machine for sewing to carry out of this band, this band sewing machine for sewing can keep the band material of specific length on one side, Yi Bian make to above-mentioned waist.The band utilization is arranged near the band material feeding apparatus the sewing machine main body, and the band material of strip is cut off and forms with specific length, supplies with to sewing machine main body.
In the band material feeding apparatus, be provided with: withdrawing device, it will be extracted out with the band material that the cylinder shape is reeled by extracting the rotation of roller out; And pulling off device, it will be drawn out to off-position by the band material that withdrawing device is extracted out.The band material of extracting out is cut off by cutting knife, and the cut off machine of this specific length is supplied with to sewing machine main body as the material of band.
In addition, in the band material feeding apparatus, for the band material of strip being cut to the length of specific length, need to detect the extraction length of band material, in the prior art, length is extracted in conduct out by the rotation amount that detects above-mentioned extraction roller.
In addition, if extract phase ratio with withdrawing device, Pullout unit is pulled out sooner or more, then owing to apply than hightension to the band material by pulling off device, so may extract the generation slip of roller place out, perhaps under the situation of the material that retractility is arranged,, the band material pulls out while being stretched.Therefore, known a kind of band material feeding apparatus, it is by controlling withdrawing device and pulling off device, and thus, tension force that can the inhibition zone ring material is avoided sliding or elongation, realizes that the band material of certain-length is supplied with (for example with reference to patent documentation 1).
Patent documentation 1: TOHKEMY 2000-237481 communique
Summary of the invention
Detect in the method for extraction amount at the rotation amount that utilizes above-mentioned extraction roller, when the band material is extracted in the rotation of extraction roller out, may between surface of extracting roller out and band material, produce and slide, extract the rotation amount of roller out, it is inconsistent with actual band material extraction length promptly to extract detection limit out, can't be extracted out length accurately.
In addition, in the technology of patent documentation 1 record, by the driving timing of adjustment withdrawing device and pulling off device, and inhibition is for the tension force of band material.But, in order suitably to suppress this tension force, need to consider slippage and make the increase of extraction amount, thereby proofread and correct, owing to this correcting value along with the kind of band material, with the contact-making surface of roller still be that condition such as the back side changes for the front, so when condition changes, must manually adjust correcting value, thereby make the adjustment operation numerous and diverse at every turn.
The purpose of problem of the present invention is, no matter how condition change of band material etc. changes, and the shearing length of band material becomes preseting length all the time.
The band material of the band material feeding apparatus that the invention of technical scheme 1 record is related is extracted the bearing calibration of length out, this band material feeding apparatus has: withdrawing device (110), it can be extracted the band material of strip out by extracting the rotation of roller (111) out; Pulling off device (140), its have can be by on-off action clamping or decontrol the clamping part (141) of the extraction direction front end of described band material, direction is parallel to be moved along extracting out can to make described clamping part; Input part (191), it can import the necessary length of described band material; Clamping sensor (157) has or not described band material in the described clamping part of its detection closure state; Position sensor, the spacing distance till it is used to detect from the extraction exit position of described withdrawing device to the clip position of described clamping part; And control part, it is at least to described withdrawing device, described clamping part and described pulling off device carry out drive controlling, reception is from the detection signal of described clamping sensor and described position sensor, the bearing calibration that this band material is extracted length out is characterised in that, described control part is according to the described necessary length from described input part input, calculate benchmark extraction length as the drive amount basis of described withdrawing device, extracting length out and described withdrawing device is being controlled in order to extract described benchmark out, after extracting described band material out, utilize described pulling off device that described clamping part is little by little moved with respect to described band material, when moving, it drives described clamping part, utilize the described clamping part of described clamping sensor whether clamping described band material, when described clamping sensor goes out the state of the described band material of clamping and do not have the state of clamping to switch, testing result based on described position sensor, the spacing distance of calculating till from the clip position of described clamping part to the extraction exit position of described withdrawing device, with the actual extraction length of described spacing distance as described band material, extract length and described actual difference of extracting out between the length out according to described benchmark, described benchmark is extracted out length proofread and correct, so that the described actual length of extracting out is consistent with described necessary length.
The invention of technical scheme 2 records is characterised in that, extract out in the bearing calibration of length at the band material of technical scheme 1 record, described control part, when the described reality of detection is extracted length out, by controlling described pulling off device, make described clamping part little by little leave and move, switch to the state that does not detect described band material, detect the front position of described band material thus by state from described clamping sensor to described band material from described extraction exit position.
The invention of technical scheme 3 records is characterised in that, extract out in the bearing calibration of length at the band material of technical scheme 1 record, described control part, when the described reality of detection is extracted length out, by controlling described pulling off device, make described clamping part to described extraction exit position little by little near and move, the state by not detecting described band material from described clamping sensor detects the front position of described band material thus to the state switching that detects described band material.
The effect of invention
Invention according to technical scheme 1 record, because control part is according to the necessary length from the input part input, calculate benchmark extraction length as the drive amount basis of withdrawing device, extracting length out and withdrawing device is being controlled in order to extract benchmark out, after extracting the band material out, utilize pulling off device that clamping part is little by little moved with respect to the band material, when moving, it drives clamping part, utilize clamping sensor clamping part whether clamping the band material, when the clamping sensor goes out the state of clamping band material and do not have the state of clamping to switch, the testing result of position-based sensor, the spacing distance of calculating till from the clip position of clamping part to the extraction exit position of withdrawing device, with the actual extraction length of spacing distance as the band material, extract length and actual difference of extracting out between the length out according to benchmark, benchmark is extracted out length to be proofreaied and correct, so that the actual length of extracting out is consistent with necessary length, so when the condition change of each band material, as long as import necessary length, just can carry out from dynamic(al) correction to input part.Therefore, even after changing in the conditions such as kind change of band material, also can be automatically and the length that detects off-position exactly proofread and correct.
Invention according to technical scheme 2 records, because when detecting reality extraction length, clamping part little by little leaves and moves from extracting the exit position out, switch to the state that does not detect the band material by state from the clamping sensor to the band material, detect the front position of band material thus, so till switching to the state that does not have clamping band material, the band material repeatedly is held portion's clamping.That is,, can detect length more accurately even the band material bending also stretches the front end of band material by the clamping of clamping part.
Invention according to technical scheme 3 records, when detecting reality extraction length, clamping part to described extraction exit position little by little near and move, switch to the state that detects the band material by the state that does not detect the band material from the clamping sensor, detect the front position of band material thus.Here, if switch to the state that does not detect the band material by state from the clamping sensor to the band material, and the situation of the front position of detection band material, then must after once making clamping part move to the position of clamping band material reliably, little by little leave from extracting the exit position out.That is, the position that to carry out clamping reliably must be discerned in advance, but in the invention of technical scheme 3 records,, also the band material can be detected even can carry out the situs ambiguus of clamping reliably.
Description of drawings
Fig. 1 is the oblique view of overall diagram of the band sewing machine for sewing of the expression band material feeding apparatus that is equipped with present embodiment.
Fig. 2 is the front view of schematic configuration of the band material feeding apparatus of expression present embodiment.
Fig. 3 is the front view of the schematic configuration of the clamping part that had of the band material feeding apparatus of presentation graphs 2.
Fig. 4 is the front view of action of the clamping part of presentation graphs 3.
Fig. 5 is the block diagram of main control structure of the band material feeding apparatus of presentation graphs 2.
Fig. 6 is the flow chart by the correction value program of the band material feeding apparatus execution of Fig. 2.
Fig. 7 is the flow chart by the computing in shortage of the band material feeding apparatus execution of Fig. 2.
Fig. 8 is the key diagram of the relation of band material in the computing in shortage of presentation graphs 7 and clamping part.
Fig. 9 is the key diagram of the relation of band material in the variation of computing in shortage of presentation graphs 7 and clamping part.
The specific embodiment
Below, based on accompanying drawing, describe embodiments of the present invention in detail.
As shown in Figure 1, band sewing machine for sewing 1 is made of sewing machine main body 2 and band material feeding apparatus 100.
Sewing machine main body 2 has the sewing machine stand structure that is made of following part, that is: the 2a of sewing machine base portion; Vertical 2b of body portion, its end from the 2a of sewing machine base portion uprightly is provided with; And Sewing machines arm 2c, it begins relatively to prolong above the 2a of sewing machine base portion from the vertical body 2b of portion of Sewing machines.
Above-mentioned sewing machine main body 2 has: suture needle 11, and the driving of its suture needle reciprocating mechanism (not shown) by being arranged on Sewing machines arm 2c inboard moves up and down; Not shown container mechanism, it is arranged on sewing machine base portion 2a inboard, forms stitching with the suture needle co-operating; Band presser foot device 50, it is configured in the 2a of sewing machine base portion front end, has the mounting table 51 of mounting cloth (omit diagram) and by push the band presser feet 52 of band material B to the down maneuver of this mounting table 51; And cloth pressing mechanism 70, it is arranged on the front end of Sewing machines arm 2c, can keep the cloth on the 2a of sewing machine base portion.
In the following description, will be along the direction of the length direction of 2a of sewing machine base portion and Sewing machines arm 2c as Y direction, will with the horizontal direction of Y direction quadrature as X-direction, with the vertical above-below direction as Z-direction, with the facing side of Sewing machines arm 2c be a side on the Y direction as " front side ", be that opposite side on the Y direction is as " rear side " with the vertical body 2b of portion side.
Above-mentioned band material feeding apparatus 100 is configured in a side (being viewed as the right side from the front side) with respect to sewing machine main body 2, is made of following part: clamp mechanism 30; Withdrawing device 110, its extraction are wound on the band material on the reel (not shown); And pulling off device 140, the band material front end that its clamping is extracted out and pulling it.Above-mentioned band material feeding apparatus 100 begins to dispose along the Y direction with the order of withdrawing device 110, clamp mechanism 30, pulling off device 140 from the front side as shown in Figure 2.
Clamp mechanism 30 is relative with the suturing part that is made of above-mentioned suture needle 11 and container mechanism, is configured in directions X one side (right side).
In Fig. 2, clamp mechanism 30 is provided with: as the band clamping plate 31 of movable part, its clamping is cut to band material (band) B of specific length; Keep seat 32, it keeps band clamping plate 31; Brace table 34, it supports and keeps seat 32, and it can be moved on X-direction, Y direction and Z-direction; And forked parts 38, it is adjacent along Y direction with band clamping plate 31.
It is two forked that forked parts 38 form, 2 clavas are from the leading section (left part) of the base portion that extends along X-direction, further extend to left, by band material (band) B is passed between these 2 clavas, make base portion center on the Y-axis rotation, can be turned back in the end of band material (band) B thus.Above-mentioned forked parts 38 are supported on and keep on the seat 32, can move along the X-direction advance and retreat, utilize forked parts to apply advance and retreat with cylinder 40 and move, and when advancing, are in the position arranged side by side with band clamping plate 31, when retreating, keep out of the way to right-hand from band clamping plate 31.In addition, the spinning movement around Y-axis of forked parts 38 applies by revolving actuator (omitting diagram).
Withdrawing device 110 is with side direction pulling off device 140 extractions in the past of band material B.Withdrawing device 110 has: roughly discoideus extraction roller 111, and it is formed for extracting out a plurality of feeding teeth of band material B in outer peripheral face upper edge whole circumference; Guide portion 112, it is configured in the below of extracting roller 111 out, pilot tape ring material B; And cut-out portion 120, it is configured in the downstream of extracting roller 111 out, and the band material B of extracting out is cut off.
Extract roller 111 out and on the band material B on the guide sections 112, rotate by making, and extract the band material B out in mounting.
In addition, above-mentioned cut-out portion 120 is provided with: movable sword 121, and it is positioned at the top of the travel path of band material B all the time, can move along the vertical direction; And fixed blade 122, it is configured to roughly relative with this movable sword 121, below the travel path of band material B towards this travel path.Contact position between this movable sword 121 and the fixed blade 122, promptly off-position is the extraction exit position K (Fig. 8) when detecting the extraction length of band material B.
The pulling off device 140 that to pull out from the band material B that withdrawing device 110 is extracted out has clamping part 141, the leading section of its clamping band material B.
Shown in Fig. 3,4, clamping part 141 is provided with: fixed arm 142, and it is configured in the below; The moveable arm 143 that is called as " beak " etc., it is configured in the top.
Fixed arm 142 has: flat base portion 144, and it is configured in along on the direction of the pull-out direction of band material B (above-below direction of Fig. 3 and Fig. 4); Installation portion 146, its rear end side from base portion 144 extends to form upward; And pair of side plates portion 147, side of rear end side extends to form upward from comparing slightly with the length direction central portion of base portion 144 for it, and this fixed arm 142 forms roughly L word shape as a whole.
The front end of base portion 144 forms clamping section 145, and it is shaped to bending back approximate horizontal ground bending forwards upward, and its front end is further crooked downwards.
Clamping section 145 be arranged on the roughly the same height of the lower surface of this band material B on, so that keep approximate horizontal thereon from the band material B lift-launch of withdrawing device 110 extractions, and carry easily in order to make the band material B, clamping section 145 front ends bend downwards, to become lower slightly position.
In the lower side of installation portion 146 leading section of drive rod 148 is installed, it is used to make clamping part 141 to the front-end edge approximate horizontal ground of band material B advance and retreat.
Near fixing cylinder 154 installation portion 146 upper ends of fixed arm 142 can make its output shaft 155 along continuous straight runs advance and retreat.
At the front end of output shaft 155, connect moveable arm 143 via arm carriage 156.
Moveable arm 143 forms plate material bending for L font roughly, be formed with: base portion 149, and transport direction along the band material B disposes by above-mentioned bending for it; Installation portion 151, it is upright from base portion 149 approximate right angle ground.
Base portion 149 is provided with: clamping section 150, and it bends base portion 149 front ends downwards and forms, and its front end forms hook-shaped; The pairing left and right first connecting rod 152A of portion, its form from the lower surface of base portion 149 surpass installation portion 151 and rearward (Fig. 3 left to) extend; And the pairing left and right second connecting rod 152B of portion, its from installation portion 151 upper ends rearward (Fig. 3 left to) extend and form.
In addition, the base end part of the link rod part 152A of moveable arm 143 can be installed on the arm back shaft 153 with rotating freely, and these arm back shaft 153 two end supports are on above-mentioned side plate 147.
By output shaft 155 advance and retreat that make above-mentioned cylinder 154, as shown in Figure 4, moveable arm 143 is that rotate at the center with arm back shaft 153.Rotate by this, the clamping section 150 of moveable arm 143 opens and closes in the mode with respect to the clamping section 145 contact/separation of fixed arm 142.In addition, the output shaft 155 of cylinder 154 is positioned at the end that retreats that retreats as shown in Figure 3 at ordinary times, and the clamping section 150 of moveable arm 143 is remained on the position of separating with the clamping section 145 of fixed arm 142, clamping part 141 can be remained open mode.
Clamping part 141 is provided with clamping detecting unit 157, its to this clamping part 141 whether clamping the leading section of band material B detect.
This clamping detecting unit 157 has: near switch (proximity switch) 158, its fixed configurations is provided with test section 160 at an upper portion thereof on the upper surface of above-mentioned base portion 144; Detected parts, itself and the relative configuration of test section 160 sides of being somebody's turn to do near switch 158 are formed by torsion-coil spring, are used to make test section 160 actions.
Detected parts form, can be supported on the fixed arm 142 with rotating freely, with the advance and retreat action of the output shaft 155 of cylinder 154, be the on-off action interlock of clamping part 141, with the detection back shaft 161 that is supported on the fixed arm 142 is that the center is rotated, and can contact/separate with the test section 160 near switch 158.
In addition, above-mentioned can be that detected parts are the magnetic induction type switch (Hall element etc.) of metal or magnet near switch 158, also can be the light sensation formula switch (optical sensor etc.) that utilizes detected parts shading.In addition, detected parts also can be that moveable arm 143 is own.
In addition, become closure state at clamping part 141, under the situation of the leading section of clamping part 141 clamping band material B, the fore-end of the leading section of detected parts and moveable arm 143 from and with the upper surface butt of band material B, and strain, the position shown in the double dot dash line Q1 of maintenance Fig. 4.In addition, clamping part 141 does not have under the situation of mistake of clamping band material B producing that clamping part 141 becomes closure state, the fore-end of the leading section of detected parts and moveable arm 143 from and strain does not take place, among the otch 142a on the leading section that is arranged at fixed arm 142, pass through downwards from the top, and be positioned at the below of the leading section of fixed arm 142, keep the position shown in the double dot dash line Q2 of Fig. 4.At this moment, detected parts 159 make near switch 158 actions with approaching near the test section 160 of switch 158.
That is, when the output shaft 155 of cylinder 154 advances, do not detect near switch 158 under the situation of detected parts, can detect clamping part 141 clampings has the band material B.In addition, when output shaft 155 advance and retreat of cylinder 154, detect near switch 158 under the situation of detected parts, can detect because clamping mistake and clamping part 141 does not have clamping band material B.
In addition, when the output shaft 155 of cylinder 154 retreated, irrelevant with the output content near switch 158, can detect clamping part 141 did not have clamping band material B.
In addition, as shown in Figure 2,2 bearings 171 that drive rod 148 utilization is installed on the base station 170 support, can along with parallel axially the moving back and forth of the transport direction of band material B.In addition, base station 170 is provided with bar driving mechanism 172, and it moves back and forth drive rod 148, and clamping part 141 contact/is separated with withdrawing device 110.In addition, bar driving mechanism 172 has stepping motor ST as drive source, by being rotated driving by this stepping motor ST, and drive rod 148 is moved back and forth.
Above-mentioned drive rod 148, bar driving mechanism 172 and stepping motor ST are contact/separation portions involved in the present invention.
In addition, stepping motor ST is provided with encoder 180 (Fig. 5), works as the position detection unit of the current location that is used to detect clamping part 141.By determining the position of clamping part 141, the interval till control part 190 described later calculates from the extraction exit position of withdrawing device 110 to the clip position of clamping part 141.In addition, under the situation that encoder 180 is not set, control part 190 is determined the position of clamping part 141 based on the drive command value to stepping motor ST output, the interval till calculating from the extraction exit position of withdrawing device 110 to the clip position of clamping part 141.
Below, with reference to the block diagram of Fig. 5, the main control structure of band material feeding apparatus 100 is described.
As shown in Figure 5, be provided with control part 190 in band material feeding apparatus 100, it controls various drive sources.Control part 190 for example is made of CPU, ROM, RAM, and the handling procedure that is recorded among the ROM is expanded among the RAM, utilizes CPU to carry out this handling procedure, and various drive sources are controlled.Specifically, electric being connected with on control part 190: as the input part 191 of guidance panel, it begins indication etc. by what input made that the length of required band material B or band material supply with operation, and the input operation content; Report portions 194 such as display, it shows various information and reports; Pulse motors etc. are extracted roller drive source 192 out, and it drives extracts roller 111 out; Movable sword drive source 193 such as cylinder or magnet, it drives movable sword 121; Above-mentioned cylinder 154, it makes moveable arm 143 spinning movements; Above-mentioned stepping motor ST, it drives the drive rod 148 of exhaustion mechanism 140; Above-mentioned near switch 158; And above-mentioned encoder 180, it detects the position of clamping part 141.
Control part 190 based on from the input data of input part 191 input, and, control extracting roller drive source 192, movable sword drive source 193, report portion 194, cylinder 154 and stepping motor ST out near the testing result of switch 158 and encoder 180 inputs etc.
Have as the handling procedure that is recorded among the ROM: the cut-out program, it is extracted the band material B and cut off out with the length of regulation; And the correction value program etc., its condition according to the band material B changes, and calculates the corrected value of extracting length out.Here, the condition of so-called band material B changes, be meant that the kind of band material B changes, under identical type band material B positive and negative change, the thickness of band material B or fineness degree variation etc.That is, will cause the situation of band material B with respect to the change in friction force of extracting roller 111 out, the condition that is called the band material B changes.
Below, with reference to the flow chart of Fig. 6, illustrate to be used to carry out the correction value program that the related band material of present embodiment is extracted the bearing calibration of length out.
At first, the operating personnel imports the necessary length of band material B to input parts such as guidance panel 191, and then, if begin the operation of correction value to input part 191 inputs, then control part 190 is carried out the correction value programs.If carry out the correction value program, then control part 190 is according to the necessary length to input part 191 inputs, and the benchmark on the drive amount basis when calculating as the driving withdrawing device is extracted length out.Consider the slip of extracting roller 111 and band material B when utilizing withdrawing device 110 to extract the band material B out out, the benchmark of calculating in this timing ga(u)ge is extracted length out and can be set at the necessary length of band material B and compare longer value, but also can be made as identical with the necessary length of band material B.Then, control part 190 is extracted benchmark out length records in ROM, and the corrected value that will be recorded in advance among the ROM is reset to " 1 " (step S1).
If carry out the correction value program, then control part 190 will be extracted length records out in ROM to the benchmark of input part 191 inputs, and the corrected value that will be recorded in advance among the ROM is set at " 1 " (step S1).
In step S2,, measure and extract the in shortage of length out based on the corrected value of setting.With reference to the flow chart of Fig. 7, this computing in shortage is described.
In computing in shortage, at first, control part 190 is based on the testing result of encoder 180, ST controls to stepping motor, bar driving mechanism 172 and drive rod 148 are driven, clamping part 141 is advanced, so that the interval till from the extraction exit position K of withdrawing device 110 to the clip position of clamping part 141 becomes " benchmark is extracted length * corrected value-α out " (step S201).In addition, when utilizing withdrawing device 110 to extract the band material B out, actual state is: can slide in extraction roller 111 place's band material B, even the value of inciting somebody to action " benchmark is extracted length * corrected value out " in fact also can't be extracted out with this desired value as target.Therefore, by above-mentioned interval being made as " benchmark is extracted length * corrected value-α out ",, but also can make clamping part 141 move to the position of clamping even for the band material B of being discontented with the foot-eye value.That is, the value of α must become the value of the band material B of the discontented foot-eye value of clamping reliably, preferably obtains by various experiments or simulation etc., with each condition of reply band material B.
In step S202,190 pairs of control parts are extracted roller drive source 192 out and are controlled, and extract the band material B out the length amount with benchmark with the extraction exit position K from withdrawing device 110 and extract out.At this moment, band material B and clamping part 141 become the state shown in Fig. 8 (a).
In step S203,190 pairs of cylinders 154 of control part are controlled, and make clamping part 141 become closure state.At this moment, band material B and clamping part 141 become the state shown in Fig. 8 (b).
In step S204, control part 190 is based on the testing result near switch 158, judge clamping part 141 whether clamping the band material B, under the situation of clamping, jump to step S205 (step S204; Be), do not having under the situation of clamping, jump to step S209 (step S204; Not).
In step S205,190 pairs of cylinders 154 of control part are controlled, and make clamping part 141 become open mode, and the band material B is decontroled.
In step S206,190 couples of stepping motor ST of control part control, and bar driving mechanism 172 and drive rod 148 driven, and clamping part 141 is retreated so that clamping part 141 with regulation unit length L with extract out exit position K away from.At this moment, band material B and clamping part 141 become the state shown in Fig. 8 (c).
In step S207, control part 190 utilizes encoder 180 to obtain the amount of retreating of clamping part 141.
In step S208, control part 190 judges whether the back off area of clamping part 141 reaches the limit of, and under situation about not reaching the limit of, jumps to step S203 (step S208; ), under situation about reaching the limit of, do not jump to step S214 (step S208; Be).
Carry out the action from this step S203 to step S208 repeatedly, if become the state that clamping part 141 does not have the front end of clamping band material B shown in Fig. 8 (e), then in step S204, being judged as does not have clamping.Then, the value of control part 190 after with the amount of retreating always that obtains among the step S207 and " benchmark is extracted length * corrected value-α out " addition calculated as the extraction length of the band material B of reality.That is,, detect the actual extraction length of band material B by co-operating near switch 158, contact/separation portion and encoder 180.Above-mentioned is extracting sensors involved in the present invention near switch 158, contact/separation portion and encoder 180.
In step S209,190 pairs of cylinders 154 of control part are controlled, and make clamping part 141 become open mode, and, stepping motor 171 is controlled, bar driving mechanism 172 and drive rod 148 are driven, clamping part 141 is retreated, so that clamping part 141 moves to position of readiness.
In step S210,190 pairs of movable sword drive sources 193 of control part are controlled, and make movable sword 121 actions, and the band material B of extracting out is cut off.
In step S211, control part 190 calculates new corrected value.Below specifically describe, that is, " the extraction length of actual band material B " is made as F, " benchmark is extracted length * corrected value-α out " is made as G, new corrected value is made as H, utilize H=G/F to represent.
In step S212, control part 190 judges whether new corrected value is in the permissible range, under the situation in being in permissible range, jumps to step S213 (step S212; Be), under the situation outside permissible range, jump to step S214 (step S212; Not).
In step S213, control part 190 will be measured successful information and be recorded among the ROM, finish the correction value program.
In step S214, the information that control part 190 will be measured failure is recorded among the ROM, finishes the correction value program.
After the correction value EP (end of program), in step S3 shown in Figure 6, control part 190 judges according to the record content of ROM whether the measurement of corrected value is successful, under case of successful, jumps to step S4 (step S3; Be), under the situation of failure, jump to step S7 (step S3; Not).
In step S4, control part 190 judges that " the extraction length of actual band material B " that whether " the extraction length (initial value is 0) of actual band material B " that obtained by predefined corrected value obtain with by new correction value the time is consistent, under inconsistent situation, jump to step S5 (step S4; Be), under the situation of unanimity, jump to step S6 (step S4; Not).
In step S5, control part 190 is recorded in new corrected value among the ROM as corrected value, jumps to step S2.Thus, carry out computing in shortage once more.
In step S6, control part 190 is defined as formal corrected value with new corrected value, finishes the correction value program.
In step S7,190 pairs of report portions 194 of control part control, and the information of failure is measured in report, finish the correction value program.
And, when band is made, control part 190 is when extracting the band material B out, as long as the value that the formal corrected value that will obtain and benchmark are extracted out after length multiplies each other is extracted length out as the benchmark after proofreading and correct, extract length out based on the benchmark after proofreading and correct, control extracting roller drive source 192 out, just can make that actual extraction length is consistent with necessary length.
As noted above, according to present embodiment, because control part 190 is according to the necessary length from input part 191 inputs, calculate benchmark extraction length as the drive amount basis of withdrawing device 110, extracting length out and withdrawing device 110 is being controlled in order to extract benchmark out, after extracting the band material B out, utilize the approaching/separation portion of pulling off device 140, clamping part 141 is little by little moved with respect to the band material B, when moving, it drives clamping part 141, utilize clamping detecting unit 157 detect clamping part 141 whether clamping the band material B, when clamping detecting unit 157 detects the state of clamping band material B and do not have the state of clamping to switch, testing result based on encoder (position probing first unit) 180, the spacing distance of calculating till from the clip position of clamping part 141 to the extraction exit position K of withdrawing device 110, with the actual extraction length of spacing distance as the band material B, extract length and actual difference of extracting length out out according to benchmark, benchmark is extracted out length to be proofreaied and correct, so that the actual length of extracting out is consistent with necessary length, so when the condition change of each band material B, as long as, just can carry out from dynamic(al) correction to the necessary length of input part 191 inputs.
Therefore, even after changing in the conditions such as kind change of band material B, also can be automatically and the length that detects off-position exactly proofread and correct.
In addition, owing to will be equipped on the existing extracting sensor that is used to detect the actual extraction length of band material B near switch 158, contact/separation portion and encoder 180 conducts on the band material feeding apparatus, by making their co-operatings, detect the actual length of extracting out, even, also can detect actual extraction length so special-purpose sensor etc. is not set.
In addition, because when detecting reality extraction length, clamping part 141 little by little leaves and moves from extracting exit position K out, switch to the state that does not detect the band material B by the state that detects the band material B from clamping detecting unit 157, detect the front position of band material B thus, so till switching to the state that does not have clamping band material B, the band material B repeatedly is held portion's 141 clampings.That is,, can detect length more accurately even the bending of band material B also stretches the front end of band material B by the clamping of clamping part 141.
In addition, the present invention is not limited to above-mentioned embodiment, certainly suitably changes.
For example, in the present embodiment, example illustrates continuous expansion from extracting the interval of exit position K till the clip position of clamping part 141 out, so that describe to detecting the situation that the state that do not have this front end of clamping switches from the state of the front end that detects clamping band material B near switch 158, but for example also can be when detecting reality extraction length, clamping part 141 to extract out exit position K little by little near and move, switch to the state that detects the band material B by the state that does not detect the band material B from clamping detecting unit 157, thus the front position of detection band material B.
In addition, also can be by the extraction of band material B the having or not of change detection.For example, shown in Fig. 9 (a), when detecting reality extraction length, at first, control part 190 is based on the testing result of encoder 180, utilize contact/separation portion that clamping part 141 is moved, will be fixed as interval from extracting the interval of exit position K till the clip position of clamping part 141 out more than or equal to benchmark extraction length.Then, control part 190 is controlled cylinder 154 shown in Fig. 9 (b), makes clamping part 141 become closure state, based on testing result near switch 158, and the band material B that judged whether clamping.Detecting under the situation that does not have clamping, shown in Fig. 9 (c), the extraction roller drive source 192 of 190 pairs of withdrawing devices 110 of control part is controlled, and extracts the band material B out, so that the leading section of band material B is to stipulate that unit length L is away from extracting exit position K out.After extracting out with the regulation unit length, control part 190 is controlled cylinder 154 shown in Fig. 9 (d) once more, makes clamping part 141 become closure state, based on testing result near switch 158, and the band material B that judged whether clamping.As noted above, withdrawing device 110 is extracted the band material B out with specific length L, when extracting with specific length L at every turn, and the holding action of control part 190 execution clamping parts 141, the band material B that judged whether clamping.Then, control part 190, from the state that detects the front end that does not have clamping band material B near switch 158 when the state that detects this front end of clamping switches (with reference to Fig. 9 (e)), extract total extraction length of withdrawing device 110 out length as reality and calculate.
In the case, owing to will be equipped on the existing extracting sensor that is used to detect the actual extraction length of band material B near switch 158, contact/separation portion, encoder 180 and withdrawing device 110 conducts on the band material feeding apparatus 100, by making their co-operatings, detect the actual length of extracting out, even, also can detect actual extraction length so special-purpose sensor etc. is not set.

Claims (3)

1. the band material of a band material feeding apparatus is extracted the bearing calibration of length out, and this band material feeding apparatus has:
Withdrawing device, it can be extracted the band material of strip out by extracting the rotation of roller out;
Pulling off device, its have can be by on-off action clamping or decontrol the clamping part of the extraction direction front end of described band material, direction is parallel to be moved along extracting out can to make described clamping part;
Input part, it can import the necessary length of described band material;
The clamping sensor has or not described band material in the described clamping part under its detection closure state;
Position sensor, the spacing distance till it is used to detect from the extraction exit position of described withdrawing device to the clip position of described clamping part; And
Control part, it carries out drive controlling to described withdrawing device, described clamping part and described pulling off device at least, receives the detection signal from described clamping sensor and described position sensor,
The bearing calibration that this band material is extracted length out is characterised in that,
Described control part is according to the described necessary length from described input part input, calculate benchmark extraction length as the drive amount basis of described withdrawing device, extracting length out and described withdrawing device is being controlled in order to extract described benchmark out, after extracting described band material out, utilize described pulling off device that described clamping part is little by little moved with respect to described band material, drive described clamping part when mobile at it at every turn, utilize the described clamping part of described clamping sensor whether clamping described band material, when described clamping sensor goes out the state of the described band material of clamping and do not have the state of clamping to switch, testing result based on described position sensor, spacing distance till calculating from the clip position of described clamping part to the extraction exit position of described withdrawing device, with the actual extraction length of described spacing distance as described band material, extract length and described actual difference of extracting out between the length out according to described benchmark, described benchmark is extracted out length proofread and correct, so that the described actual length of extracting out is consistent with described necessary length.
2. band material according to claim 1 is extracted the bearing calibration of length out, it is characterized in that,
Described control part, when the described reality of detection is extracted length out, by controlling described pulling off device, make described clamping part little by little leave and move from described extraction exit position, switch to the state that does not detect described band material by state, detect the front position of described band material thus from described clamping sensor to described band material.
3. band material according to claim 1 is extracted the bearing calibration of length out, it is characterized in that,
Described control part, when the described reality of detection is extracted length out, by controlling described pulling off device, make described clamping part to described extraction exit position little by little near and move, switch to the state that detects described band material by the state that does not detect described band material from described clamping sensor, detect the front position of described band material thus.
CN2010102784462A 2009-09-08 2010-09-08 Correction method for extraction length of belt ring material Pending CN102011275A (en)

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JP2009206580A JP5410890B2 (en) 2009-09-08 2009-09-08 How to correct the feeding length of tape material
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WO2023162227A1 (en) * 2022-02-28 2023-08-31 株式会社Fuji Tape working device and reel loading device

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CN110182537A (en) * 2019-05-15 2019-08-30 上海洪海实业发展有限公司 Fixed length material feeding device and its control method

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Application publication date: 20110413