CN101429708B - Automatic sewing machine - Google Patents
Automatic sewing machine Download PDFInfo
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- CN101429708B CN101429708B CN200810172659XA CN200810172659A CN101429708B CN 101429708 B CN101429708 B CN 101429708B CN 200810172659X A CN200810172659X A CN 200810172659XA CN 200810172659 A CN200810172659 A CN 200810172659A CN 101429708 B CN101429708 B CN 101429708B
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- travel mechanism
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- sewing machine
- time
- computing unit
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B19/00—Programme-controlled sewing machines
- D05B19/02—Sewing machines having electronic memory or microprocessor control unit
- D05B19/04—Sewing machines having electronic memory or microprocessor control unit characterised by memory aspects
- D05B19/08—Arrangements for inputting stitch or pattern data to memory ; Editing stitch or pattern data
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B19/00—Programme-controlled sewing machines
- D05B19/02—Sewing machines having electronic memory or microprocessor control unit
- D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2305/00—Operations on the work before or after sewing
- D05D2305/32—Measuring
- D05D2305/34—Counting
- D05D2305/345—Stitch counting
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a sewing machine capable of automatic tailoring and easily setting a sewing speed suitable for tailoring. The sewing machine comprises a needle bar with needles for vertical motion; a moving mechanism for moving a sewing; a sewing machine motor; an X axis motor and a Y axis motor for driving the moving mechanism; a control device for controlling the sewing machine motor, the X axis motor and the Y axis motor which enable a spindle rotary; a main encoder for detecting a rotary angle of the spindle; an X axis position sensor and a Y axis position sensor for detecting the position of the moving mechanism; an EEPROM for storing sewing data, the spindle rotary angle and the position of the moving mechanism; a CPU for calculating the stable time of the moving mechanism and the sewing machine motor rotary speed and the moving mechanism action starting angle corresponding to the stable time based on the storage content of the EEPROM.
Description
Technical field
The present invention relates to a kind of automatic sewing machine, its position that moves up and down with respect to suture needle makes and makes thing and move horizontally, and is making thing and form the stitching of regulation shape.
Background technology
At present, known a kind of automatic sewing machine, it keeps the holding member along continuous straight runs of cloth to move with respect to the position that moves up and down of suture needle Yi Bian make, Yi Bian form the stitching of regulation shape at cloth.A kind of mode as automatic sewing machine, has travel mechanism, its both direction for quadrature on this horizontal plane (X-direction, Y direction) is provided with the motor (X-axis motor, Y-axis motor) that drives in separately direction.
Usually, this automatic sewing machine does not thrust the phase place of making thing in suture needle, i.e. suture needle rise and from just from make thing just to thrust until suture needle descends next time after extracting make before the thing during, travel mechanism is moved.Usually, owing to making the corresponding higher limit of making maximum speed of pitch of feed that thing moves and determine with making with constant interval, as long as so be in this limits value, the then control movement of making thing so that travel mechanism above-mentioned suture needle do not thrust make thing during finish mobile.In addition, known a kind of Sewing machines, it is in order to proofread and correct the start delay of travel mechanism, the time advance output mobile instruction before starting.
In the situation of the action generation time deviation of above-mentioned travel mechanism, sometimes make thing begin mobile before, suture needle is not extracted from make thing, begin under the state of making thing mobilely to make thing and thrust in suture needle, so the sewn object that the suture needle meeting is moved pulls, state with bending descends, the so-called pin that draws occurs, can't carry out by still the seizure of needlework ring thus, so-called bouncing pilotage occurs sometimes, or suture needle engages with accessaries of sewing machine and damages needle point, the fiber of damage cloth.In addition, mobilely make thing owing to thrusting under the state of making thing in suture needle, make suture needle and broaden and leave a trace with respect to the through hole of making thing, perhaps the position deviation of stitching and make the Quality Down of commodity.
Therefore, for example shown in patent documentation 1 open, known a kind of Sewing machines, make the timing of mobile travel mechanism that deviation not occur when it is high speed for the rotary speed at the main shaft of Sewing machines and during low speed, detect the rotary speed of machine spindle, begin mobile main shaft phase place by changing accordingly travel mechanism with this rotary speed, thereby prevent from drawing pin.
Patent documentation 1: JP 2000-279666 communique
Summary of the invention
The Sewing machines that patent documentation 1 is related, and the mobile beginning of only changing travel mechanism corresponding with the rotary speed of the main shaft of Sewing machines are regularly.But, make in the maintenance of above-mentioned travel mechanism in the situation of holding member change of thing, acceleration changes because the weight of travel mechanism's integral body changes, so from producing after the move that sends to the drive motor of travel mechanism until the time of travel mechanism's starting change, or travel mechanism from the amount of movement that arrives command request until the time that stops to change.
Therefore, the time before stopping to be compared in the elongated situation before the described cloth pressing with change, suture needle thrust make thing after travel mechanism move and draw pin.In addition, in the situation that compare to prestarting time and the described cloth pressing of change and shorten from producing move, move and draw pin in suture needle travel mechanism before make thing and extract.Therefore, in patent documentation 1, also can occur with before identical problem.
In addition, can current Sewing machines in the situation of not making historical New Terms (change suture needle pattern or cloth pressing etc.), if do not try to make, then can't be judged obtain good sewing quality.
In addition, owing to only can obtain be used to the information of dealing with problems by making thing and suture needle after trying to make, so need to change the conditions such as rotary speed of Sewing machines, try to make repeated multiple timesly, and production efficiency is descended.In addition, exist each examination to make the defective work that thing is made in middle generation, be accompanied by the thing of making of making defective generation and discard the problem that cost is increased.
The object of the present invention is to provide a kind of automatic sewing machine, it is in order to solve the problem that needle bar moves regularly and the responsive state of travel mechanism affects making mass formation by automatic sewing machine, effective information can be offered the user, and then the sewing speed that will be accompanied by automatic sewing machine descends and the productivity that produces descends and suppresses to be Min..
Technical scheme 1 described invention is, a kind of automatic sewing machine, and it has: needle bar, suture needle is installed on it, move up and down with the rotating gang of main shaft; Travel mechanism, it makes makes thing mobile with the horizontal plane that moves up and down the direction quadrature of described needle bar; Sewing machine electromotor, it makes described main shaft rotation; The 1st detecting unit, it detects the anglec of rotation of described main shaft; Drive motor, it drives described travel mechanism; The 2nd detecting unit, it detects the position of described travel mechanism; Control module, it is controlled drive motor; And the 1st memory cell, it stores stitch data, this stitch data is included in the described spacing of making of making the stitching that forms on the thing, the rotary speed of pin number and described main shaft, this Sewing machines is based on the spacing of making in the described stitch data, the rotary speed of pin number and described main shaft, make by making the action of described needle bar and described travel mechanism, it is characterized in that, this Sewing machines has: the 2nd memory cell, it is when driving described travel mechanism based on described stitch data, every the anglec of rotation of stipulated time storage by the detected main shaft of described the 1st detecting unit, and by the position of the detected travel mechanism of described the 2nd detecting unit; Actuation time computing unit, it calculates the action required time of described travel mechanism according to being stored in the position of the described travel mechanism in described the 2nd detecting unit; The speed computing unit, it calculates the rotary speed of sewing machine electromotor based on the result of calculation of the action required time that computing unit obtains by described actuation time; Action beginning angle calculation unit, it is based on the position of described travel mechanism and the anglec of rotation of described main shaft, and the action of calculating travel mechanism begins angle; And make control module, it is based on the rotary speed of making spacing, pin number and described main shaft in the described stitch data, when making the action of described needle bar and described travel mechanism, based on following result of calculation described sewing machine electromotor is driven: the described speed computing unit that obtains when driving Sewing machines based on described stitch data before this is to the result of calculation of the rotary speed of sewing machine electromotor, and the described action that obtains when driving Sewing machines based on described stitch data before this begins angle calculation unit begins angle to the action of travel mechanism result of calculation.
In addition, so-called " action of travel mechanism begins angle " refers to the anglec of rotation of the main shaft when travel mechanism begins to move.
Technical scheme 3 described inventions are characterised in that, on the basis of technical scheme 1 or 2 described automatic sewing machines, has the interface that can be connected with outer computer, by described actuation time the described travel mechanism that computing unit carries out the action required time calculating, the described sewing machine electromotor that undertaken by described speed computing unit rotary speed calculating and begin the calculating of angle by the action that described action begins the described travel mechanism that angle calculation unit carries out, undertaken by the described outer computer that connects via described interface.
The effect of invention
According to technical scheme 1 described invention, according to travel mechanism's action required time of every pin that actuation time, computing unit calculated, the speed computing unit is with respect to this time, and the rotary speed of calculating suitable sewing machine electromotor is sewing speed.In addition, by actuation time the travel mechanism that computing unit carries out the calculating of actuation time and the calculating of the rotary speed of the sewing machine electromotor that undertaken by the speed computing unit, before making operation according to stitch data, carry out.In addition, every the stipulated time, with the 1st detecting unit and the anglec of rotation of the detected above-mentioned main shaft of the 2nd detecting unit and the position of mobile device, and actuation time computing unit, speed computing unit and the result of calculation of action beginning angle calculation unit, be stored in the 2nd memory cell.Thereby, carry out once according to stitch data make operation after, carry out this according to stitch data make operation the time, make according to the rotary speed of the actuation time that is stored in the travel mechanism in the 2nd memory cell and sewing machine electromotor in the situation of operation, can avoid by making travel mechanism's action in the timing before make thing to extract suture needle, or the timing of thrusting after making thing in suture needle makes travel mechanism's action and draws pin.Thus, can solve occur by making travel mechanism's action in the timing before make thing to extract suture needle draw pin, the problem that the sewing quality that the deterioration of making take-up that causes or suture needle cause with respect to the expansion of the through hole of making thing, the position skew of stitching etc. worsens.Thus, improve sewing quality.And, can solve by thrusting in suture needle that timing after making thing makes travel mechanism's action and the problem of drawing the broken needle that pin causes that occurs.Thus, improve the reliability of Sewing machines.
In addition, as noted above, begin angle by moving beginning computing unit and speed computing unit, automatically calculating with the rotary speed of the mobile corresponding suitable sewing machine electromotor of making thing and the action of travel mechanism, and be stored in the 2nd memory cell.Thus, can automatically carry out Sewing machines sewing speed setting and move forward into to action begin the setting of angle, above-mentioned setting is that the user is by manually carrying out in the prior art, be used for by reducing the sewing speed of Sewing machines, solve the pin that draws in the sewing quality problem that the feeding by the travel mechanism of correspondence causes.Thus, compared with prior art, can be very easy to and prevent from reliably drawing the setting of sewing speed of pin and the action of travel mechanism to begin the setting of angle.In addition, namely draw pin for the sewing quality problem that the feeding by travel mechanism causes, in the prior art, owing to not providing the needle bar action timing of any Sewing machines and the responsive state of travel mechanism for the user, so be not effective solution, countermeasure also only is the rotary speed of change Sewing machines, and the present invention addresses this problem a little, improves the reliability of Sewing machines.And, owing to automatically carrying out the calculating of suitable sewing speed, so can solve in the prior art, Sewing machines is repeatedly moved and the problem of needs time, shortening is made the time of operation and is improved operating efficiency.And, can reduce in the prior art broken needle that produces when being attended by during the examination of the Sewing machines that carried out is made or make the discarded cost of thing before finding suitable sewing speed.In addition, the 2nd memory cell every the stipulated time to being stored by the position of the detected travel mechanism of the 2nd detecting unit.Thus, can the foundation stitch data make the end of job after, utilize the actuation time that actuation time, computing unit calculated travel mechanism.That is, actuation time, computing unit did not need carrying out in real time computing by the position of the detected travel mechanism of the 2nd detecting unit.Thus, though actuation time computing unit do not have carried out in real time the performance of computing, the actuation time that yet can calculate travel mechanism by the position of the detected travel mechanism of the 2nd detecting unit.That is, the lower performance requirement to computing unit actuation time can be set, the cost that consists of computing unit actuation time can be reduced.
In addition, the 2nd memory cell is every the anglec of rotation of stipulated time storage by the detected main shaft of the 1st detecting unit.Thus, can the foundation stitch data make the end of job after, carried out the calculating of the rotary speed of sewing machine electromotor by the speed computing unit.That is, the speed computing unit does not need carrying out in real time computing by the position of the detected travel mechanism of the 2nd detecting unit.Thus, even the speed computing unit does not have carried out in real time the performance of computing by the position of the detected travel mechanism of the 2nd detecting unit, also can calculate the rotary speed of sewing machine electromotor.That is, the lower performance requirement to the speed computing unit can be set, the cost of formation speed computing unit can be reduced.
In addition, in aforesaid above-mentioned the 2nd memory cell, the anglec of rotation of storing above-mentioned main shaft every the stipulated time.Thus, can the foundation stitch data make the end of job after, the action of being calculated travel mechanism by action beginning angle calculation unit begins angle.That is, action beginning angle calculation unit does not need carrying out in real time computing by the rotary speed of the detected main shaft of the 1st detecting unit with by the position of the detected travel mechanism of the 2nd detecting unit.Thus, even action beginning angle calculation unit does not have by the rotary speed of the detected main shaft of the 1st detecting unit and the performance of being carried out in real time computing by the position of the detected travel mechanism of the 2nd detecting unit, the action that also can calculate travel mechanism begins angle.That is, the lower performance requirement to action beginning angle calculation unit can be set, the cost that consists of action beginning angle calculation unit can be reduced.
According to technical scheme 2 described inventions, display unit can make following data for demonstration: every the position that moves up and down of the needle bar of stipulated time, it is based on the rotary speed of the sewing machine electromotor that is calculated by described speed computing unit; Every the position of the travel mechanism of stipulated time, it is based on the action required time of the described travel mechanism that computing unit calculates by described actuation time; And the operating angle time of travel mechanism, it is calculated by action beginning angle calculation unit.That is, make the rotary speed of the sewing machine electromotor that suitably calculates take the actuation time for travel mechanism be corresponding demonstration of position that moves up and down position and travel mechanism of the Sewing machines needle bar on basis.Thus, before the action of Sewing machines, can visually grasp by the result of calculation of speed computing unit to the rotary speed of sewing machine electromotor.Thus, the user can more clearly grasp the action of Sewing machines.
According to technical scheme 3 described inventions, the action of the calculating of the rotary speed of the sewing machine electromotor that carries out by the calculating of the action required time of the travel mechanism that actuation time, computing unit carried out, by the speed computing unit and the travel mechanism that undertaken by action beginning angle calculation unit begins the calculating of angle, is undertaken by the outer computer that connects via interface.Thus, computing unit actuation time, speed computing unit need to be set in control device for sewing-machine, and action beginning angle calculation unit.Thus, can not provide original Sewing machines is carried out significantly design alteration, and have computing unit actuation time, speed computing unit, and the Sewing machines of action beginning angle calculation unit.
Description of drawings
Fig. 1 is the stereogram of the formation of expression Sewing machines involved in the present invention.
Fig. 2 is the block diagram of expression control device and the various formations that are connected with control device.
Fig. 3 is the functional block diagram of the various function composings of expression Sewing machines.
To be expression drive the key diagram of the difference of the location of instruction of the travel mechanism when making thing and detection position by travel mechanism to Fig. 4.In addition, POS is the location of instruction of expression travel mechanism and the position curve of detection position.In addition, ERR is the curve of the deviation of the expression location of instruction of travel mechanism and detection position.
Fig. 5 is that the expression suture needle timing of extracting from make thing is identical and revise in the situation of rotary speed of sewing machine electromotor, the moving up and down regularly and the key diagram of the corresponding relation between the action of travel mechanism regularly of suture needle.In addition, Fig. 5 (a) is illustrated in before the correction that is driven by the rotary speed of the sewing machine electromotor in the stitch data and based on the rotary speed of the sewing machine electromotor that is calculated by the speed computing unit and after the correction that drives, moving up and down regularly and the key diagram of the corresponding relation between the action of travel mechanism regularly of suture needle, Fig. 5 (b) is the amplification key diagram of the Z part of Fig. 5 (a).
Fig. 6 is the rotary speed of expression main shaft and the key diagram that moves up and down the corresponding relation between the position of suture needle.
Fig. 7 is before being illustrated in action by the travel mechanism that driven by stitch data and beginning correction that angle drives, after the correction that begins angle with action based on the travel mechanism that is calculated by action beginning angle calculation unit and drive, the moving up and down regularly and the key diagram of the corresponding relation between the action of travel mechanism regularly of suture needle.
Fig. 8 is the key diagram of an example of the display frame of expression guidance panel display screen.
The figure of the Sewing machines operation when Fig. 9 is expression selection instrumentation pattern and the flow process of action.
Figure 10 is the figure of the contents processing of the expression instrumentation timer handling process of interrupting.
The specific embodiment
(integral body of Sewing machines of the present invention consists of)
Below, with reference to accompanying drawing, embodiments of the present invention are described in detail.
Sewing machines 1 involved in the present invention is following automatic sewing machine, and it is with respect to the moving up and down of the needle bar 2 that suture needle 2a is installed, along with this horizontal plane that moves up and down the direction quadrature movably on the mobile device 10, keep making thing and make.
Fig. 1 is the stereogram of the structure of expression Sewing machines 1 involved in the present invention.Fig. 2 is the block diagram of expression control device 20 and the various structures that are connected with control device 20.
Such as Fig. 1 and shown in Figure 2, Sewing machines 1 has: needle bar 2, and it is arranged on the lower surface portion of arm of sewing machine stand, moves up and down; Travel mechanism 10, it makes makes thing and moves along the horizontal plane that moves up and down the direction quadrature with needle bar; Pedal 3, it switchably selects the exercises of Sewing machines 1; Control device 20, it carries out the various processing relevant with the action of Sewing machines 1; Guidance panel display screen 4, it shows the various information relevant with the action of Sewing machines 1, simultaneously carry out the various inputs relevant with the action of Sewing machines 1 by the user, and, by the front surface configuration transparent touch-sensitive panel at following liquid crystal display picture, press the switch that demonstrates, index signal is selected in output, and this liquid crystal display picture visually shows the various results of the CPU21 of the control device 20 that carries out the various processing relevant with the aftermentioned stitch data; PC40, it is connected with it via RS-232 port 25 that is arranged in the control device 20, with the CPU21 of control device 20 in the same manner, can carry out the aftermentioned various processing relevant with stitch data; Display 41, it visually shows the various processing of PC40.
In the lower end of needle bar 2, removably fixing suture needle 2a.In addition, main shaft 7 (omit and the illustrate) link that is connected with length direction configuration at the arm of sewing machine stand via reciprocating mechanism (omit diagram) of needle bar 2.Reciprocating mechanism for moving up and down motion, and is passed to needle bar with the rotation transformation of main shaft 7.In addition, main shaft 7 is rotated by the driving of sewing machine electromotor 5.That is, by the driving of sewing machine electromotor 5, needle bar 2 moves up and down.At this moment, if be set as main shaft 71 weeks of rotation, then needle bar 2 carries out 1 time and moves back and forth up and down.That is, the position that moves up and down of the anglec of rotation of main shaft 7 and needle bar 2 has constant relation.In addition, the anglec of rotation of main shaft 7 detects by spindle encoder 6.That is, according to the anglec of rotation of spindle encoder 6 detected main shafts 7, detect the position that moves up and down that the position is suture needle 2a that moves up and down of needle bar 2.
In addition, the action of sewing machine electromotor 5 is carried out the operation of pedal 3 by the user, based on the driving control of the sewing machine electromotor 5 of this operation, is undertaken by control device 20 described later.
(travel mechanism)
Maintaining part 11 has carries the lower plate make thing, and from the top to carrying the cloth pressing that thing compresses and keeps of making on lower plate.Cloth pressing can arrange up or down with respect to lower plate, moves up and down with the driving of cylinder (omit diagram) by the compression that is arranged in the travel mechanism 10.Moving up and down of cloth pressing via the operation to pedal 3, operates by the driving that compresses with cylinder.
Be arranged on the maintaining part 11 in the situation that the user will make thing, because after the sewing finishing, cloth pressing remains on lifting position, so at first, carry at the upper surface that is positioned at the lower plate below the cloth pressing and to make thing.Then, if by the operation to pedal 3, cloth pressing is descended, then cloth pressing descends with respect to making thing, clamps by cloth pressing and lower plate and makes thing and maintenance.As noted above, make thing and remain on the maintaining part 11.
In addition, the driving of X-axis motor 12 and Y-axis motor 14 control is undertaken by control device 20 described later.In addition, the position of the maintaining part on the X-direction 11 is detected by X-axis position sensor 13.The position of the maintaining part 11 on the Y direction is detected by Y-axis position sensor 15.Control device 20 detects the position of travel mechanism 10 according to the testing result of X-axis position sensor 13 and Y-axis position sensor 15.Thus, X-axis position sensor 13 and Y-axis position sensor 15 work as " the 2nd detecting unit ".
(control device)
As shown in Figure 2, control device 20 has: CPU21, and it carries out the various processing relevant with the action of Sewing machines 1; RAM22, the data that its storage is relevant with the various processing that CPU21 carries out; ROM23, various programs and data that its storage is relevant with the action of Sewing machines 1; EEPROM24, various programs and data that its storage is relevant with the action of Sewing machines 1; As RS-232 port 25 of " interface ", it can be connected with PC40 with communicating with one another; Driver 29,30,31, it drives respectively sewing machine electromotor 5, X-axis motor 12 and Y-axis motor 14; The input/output port 26 of spindle encoder 6 and driver 29; The input/output port 27 of X-axis position sensor 13 and driver 30; The input/output port 28 of Y-axis position sensor 15 and driver 31; And the input/output port 33 of attended operation Display panel screen 4 and control device 20.In addition, CPU21, RAM22, ROM23, EEPROM24, RS-232 port 25, input/ output port 26,27,28,33 are connected to each other by bus 32.
CPU21 calls various programs and the data relevant with the action of Sewing machines 1 from ROM23 and EEPROM24.At this moment, comprise stitch data in the data that CPU21 calls, store in this stitch data: corresponding with tailoring pattern in making operation make starting position, end position and between pitch of feed and direction of feed, this sewing speed in making be the rotary speed of sewing machine electromotor 5.CPU21 carries out for the processing that drives sewing machine electromotor 5, X-axis motor 12 and Y-axis motor 14 based on this stitch data.
In addition, CPU21 processes based on this, via input/ output port 26,27,28 respectively to the orders of drive motor corresponding to driver 29,30,31 outputs.
Like this, sewing machine electromotor 5, X-axis motor 12 and Y-axis motor 14 drive, and carry out the movement with travel mechanism 10 of moving up and down of needle bar 2, thereby make.
In addition, the foundation stitch data make operation the time, by the anglec of rotation of spindle encoder 6 detected main shafts 7, input to CPU21 via input/output port 26.In addition, by the anglec of rotation of X-axis position sensor 13 detected X-axis motor 12, input to CPU21 via input/output port 27.In addition, by the anglec of rotation of Y-axis position sensor 15 detected Y-axis motor 14, input to CPU21 via input/output port 28.
In addition, making in the operation of foundation stitch data, begin in the action of the rotary speed of the calculating of the stabilization time of carrying out travel mechanism 10 described later and the sewing machine electromotor 5 corresponding with stabilization time and travel mechanism 10 in the situation of calculating of angle, the timer that CPU21 is allowed for the following data fetch program is moved interrupts, make the Abort Timer action, this data fetch program will be stored among the EEPROM24 from the input of spindle encoder 6, X-axis position sensor 13 and Y-axis position sensor 15 every the stipulated time.Action indication according to by data fetch program of per stipulated time of Abort Timer will be stored among the EEPROM24 from the input of spindle encoder 6, X-axis position sensor 13 and Y-axis position sensor 15 every the stipulated time.In addition, the input of spindle encoder 6 is stored as the Spindle rotation angle degree, and the input of X-axis position sensor 13 and Y-axis position sensor 15 is stored among the EEPROM24 as the position of travel mechanism 10.
In addition, the foundation stitch data make the end of job time, forbid that the timer of this Abort Timer interrupts, the action of Abort Timer also stops.
In addition, as stitch data, prepare a plurality of different stitch datas for each tailoring pattern, be stored among the EEPROM24.The guide look of these a plurality of stitch datas making before operation begins of Sewing machines 1, is shown on the guidance panel display screen 4.If in these a plurality of stitch datas of user selection one, then control device 20 is based on the tailoring pattern of selecteed stitch data, and is as noted above, drives sewing machine electromotor 5, X-axis motor 12 and Y-axis motor 14 and makes.
CPU21 according to being stored in Spindle rotation angle degree among the EEPROM24 and the position of travel mechanism, carries out the various computings in the operation of making based on the stitch data of the position that detects this Spindle rotation angle degree and travel mechanism.That is, carry out following computing: calculate from before this suture needle just from making the timing of thing after extracting until suture needle just will have been thrust the action required time of making the travel mechanism that carries out till the thing timing before next time; The action required time of movement-based mechanism calculates the rotary speed of suitable sewing machine electromotor 5; And the action of the action required time of movement-based mechanism and Spindle rotation angle degree calculating travel mechanism begins angle.In addition, this operation result shows at guidance panel display screen 4.
PC40 is personal computer, and it is connected with control device 20 via RS-232 port 25, with the CPU21 of control device 20 in the same manner, can carry out the various processing relevant with the stitch data of Sewing machines 1.
Namely, to be stored in Spindle rotation angle degree among the EEPROM24 of control device 20 and the position of travel mechanism via RS-232 port 25, read in the memory of PC40, with above-mentioned CPU21 in the same manner, according to the position of Spindle rotation angle degree and travel mechanism, carry out the various computings in the operation of making based on the stitch data of the position that detects this Spindle rotation angle degree and travel mechanism.That is, carry out following computing: calculate from before this suture needle just from making the timing of thing after extracting until suture needle just will have been thrust the action required time of making the travel mechanism that carries out till the thing timing before next time; The action required time of movement-based mechanism calculates the rotary speed of suitable sewing machine electromotor 5; And the action of the action required time of movement-based mechanism and Spindle rotation angle degree calculating travel mechanism begins angle.In addition, this operation result shows at display 41.
(the various functions of Sewing machines)
Below, the various functions of Sewing machines 1 are at length described.Fig. 3 is the functional block diagram of the various function composings of expression Sewing machines.
As shown in Figure 3, Sewing machines 1 has: spindle encoder 6, and it detects the anglec of rotation of main shaft 7; X-axis position sensor 13 and Y-axis position sensor 15, it detects the position of travel mechanism 10; The 1st memory cell 51, it stores stitch data; The 2nd memory cell 52, it is every the stipulated time, and storage is by the anglec of rotation of spindle encoder 6 detected main shafts 7 and by the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms 10; Actuation time, computing unit 56, and it according to the position by X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms, calculates the action required time of the travel mechanism in each pin for the position command based on the travel mechanism of stitch data; Speed computing unit 57, its according to by actuation time the travel mechanism that computing unit 56 calculates the action required time and by the anglec of rotation of spindle encoder 6 detected main shafts 7, calculate the rotary speed of suitable sewing machine electromotor 5; Action beginning angle calculation unit 58, it is for the position command based on the travel mechanism of stitch data, according to by the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms with by the anglec of rotation of spindle encoder 6 detected main shafts 7, the action of calculating the travel mechanism in each pin begins angle; The 2nd memory cell 52, the result of calculation of its storage action time calculating unit 56, speed computing unit 57 and action beginning angle calculation unit 58; Make control module 55, its according to this stitch data make operation the time, make based on each result of calculation that is stored in the 2nd memory cell 52; And guidance panel display screen 4, it is can be respectively corresponding with following data and show: every the position that moves up and down of the needle bar of stipulated time, it is based on the stitching sewing machine speed after being increased and decreased by the rotary speed of making 55 pairs of sewing machine electromotors of control module; Position every the travel mechanism of stipulated time, it is based on the action required time by the travel mechanism that computing unit 56 calculates actuation time; And the action of travel mechanism begins angle, and it is calculated by action beginning angle calculation unit 58.
The 1st memory cell 51 storage stitch datas.That is, above-mentioned EEPROM24 works as the 1st memory cell 51.The 2nd memory cell 52 is every the anglec of rotation of stipulated time storage spindle encoder 6 detected main shafts 7 and the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms.Thus, above-mentioned EEPROM24 works as the 2nd memory cell 52.
(computing unit actuation time)
Actuation time, computing unit 56 was for the position command based on the travel mechanism of stitch data, according to the position by X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms, calculated the action required time of the travel mechanism in each pin.Fig. 4 be illustrated in from suture needle just from make thing after extracting timing until suture needle just to thrust next time the timing of making till the thing during, the X-axis location of instruction P of the travel mechanism 10 when travel mechanism 10 moves and by the key diagram of the relation of the X-axis detection position Q of X-axis position sensor 13 detected travel mechanisms 10.The POS of Fig. 4 is the curve of relation of the X-axis detection position Q of the expression X-axis location of instruction P of travel mechanism 10 and travel mechanism 10.The ERR of Fig. 4 is the curve of deviation of the X-axis detection position Q of the expression X-axis location of instruction P of travel mechanism 10 and travel mechanism 10.
Based on stitch data, control device 20 drives travel mechanism 10, until arrive target location B, and to X-axis motor 12 outgoing position instruction P.The X-axis motor 12 of accepting output drives travel mechanism 10.The operating position of the X-direction of travel mechanism 10 is detected by X-axis position sensor 13.
As shown in Figure 4, with respect to the X-axis location of instruction P of travel mechanism 10, the operating lag ground of the X-axis detection position Q of travel mechanism 10 moves.X-axis location of instruction P is followed in the response of travel mechanism 10 after X-axis location of instruction P stops, after arriving target location B, restraining to target location B gradually while vibrate.When the response of travel mechanism 10 restrains to target location B gradually while vibrating, deviation ERR behind the X-axis detection signal Q (response signal) that deducts travel mechanism 10 from X-axis location of instruction P is carried out computing, if this deviation ERR is in ± scope of dP in, even then thrust the also allowable error scope of irrespective degree of thing of making as suture needle, think that the X-axis detection signal Q of travel mechanism 10 has been converged in the stability range of X-axis location of instruction P, the movement that travel mechanism 10 finishes to target location B., carry out above-mentioned explanation as an example of X-axis motor 12 and X-axis position sensor 13 example here, but because Y-axis motor 14 and Y-axis position sensor 15 are carried out identical processing, so description thereof is omitted.
At this moment, after will being used for driving the location of instruction P of travel mechanism 10 from output, even being converged in suture needle to the oscillation action of mobile device 10 thrusts and makes the also action required time in the irrespective allowable error scope of thing next time, as Ts stabilization time, actuation time, computing unit 56 calculated aforementioned stable time T s.For the stabilization time of travel mechanism 10, calculate X-axis and Y-axis the two.
(speed computing unit)
The rotary speed of the suitable sewing machine electromotor 5 that Ts stabilization time that speed computing unit 57 calculates with computing unit 56 calculates by actuation time is corresponding.
Fig. 5 is that suture needle 2a moves up and down regularly and the key diagram of the corresponding relation between the action of travel mechanism 10 regularly in the situation of the expression rotary speed of revising sewing machine electromotor 5 from make thing for the timing of extracting with suture needle 2a is identical.In addition, before Fig. 5 (a) is the correction that represents to be driven by the rotary speed of the sewing machine electromotor 5 in the stitch data, with based on the rotary speed of the sewing machine electromotor 5 that is calculated by speed computing unit 57 and after the correction that drives, suture needle 2a moves up and down regularly and the key diagram of the corresponding relation between the action of travel mechanism 10 regularly, and Fig. 5 (b) is the amplification key diagram of the Z part of Fig. 5 (a).Curve H, the I of Fig. 5 is that expression suture needle 2a is with respect to the curve of the conversion that moves up and down the position of making thing.The curve W of Fig. 5 is expression and curve H and the curve I curve of the detection position of the travel mechanism 10 on the axle at one time.The curve H of Fig. 5 is the curve of the conversion that moves up and down the position of the suture needle 2a before expression is revised, and curve I is the curve of the conversion that moves up and down the position of the suture needle 2a of (rotary speed with the sewing machine electromotor 5 that calculated by speed computing unit 57 drives) after expression is revised.
According to the rotary speed of sewing machine electromotor 5, needle bar 2 moves up and down, and suture needle 2a repeatedly thrusts and makes thing or from its knee-action of extracting.In above-mentioned curve H shown in Figure 5, suture needle 2a position G above making thing descend during, be that suture needle 2a thrusts the interval of making in the thing.Suture needle 2a position G above making thing rise during, be the interval that suture needle 2a extracts from making thing.At this moment, main shaft 7 required time that rotates a circle is time T a, and sewing machine electromotor 5 is controlled, and the required time becomes time T a so that main shaft 7 rotates a circle.
Relative therewith, travel mechanism 10 moves shown in curve W.At this moment can draw pin, this draws pin is that supplying position Wa caused above the stability range of target location B when the pin of travel mechanism 10 ran through owing to the timing of thrusting at suture needle 2a after making thing.
Therefore, as shown in Figure 5, sewing speed in the scope of the target location B that vibration causes when being converged in because of the stopping of travel mechanism 10, that can not cause drawing pin, the time T b that to be suture needle 2a rotate a circle from the main shaft 7 in the interval of making thing and extracting sets the rotary speed of sewing machine electromotor 5.Thus, thrust shown in the later curve I of the timing of making thing such as suture needle 2a because in the stability range of the suture needle of travel mechanism 10 supplying position target approach position B when running through, so can not become the broken needle problem reason draw pin.Speed computing unit 57 calculates the rotary speed that is used for the time T a that main shaft 7 rotates a circle is set as the sewing machine electromotor 5 of the time T b that pin does not occur to draw.
Fig. 6 is the rotary speed of expression main shaft 7 and the key diagram that moves up and down the corresponding relation between the position of suture needle 2a.
As noted above, if main shaft 71 weeks of rotation, then needle bar 2 carries out 1 time and moves back and forth up and down.As shown in Figure 6, the anglec of rotation that moves up and down position and main shaft 7 of suture needle 2a has constant relation.For example as shown in Figure 6, the anglec of rotation when needle bar 2 positions of main shaft 7 are positioned at top dead centre is made as 0 degree, and its anglec of rotation when needle bar 2 positions are positioned at lower dead center is made as 180 degree.The anglec of rotation of the main shaft 7 of suture needle 2a during from the timing Ha that makes thing and extract is angle θ b, and this angle θ b obtains according to the position on the needle plate on the maintaining part 11 that will make thing and remain on travel mechanism 10 and the thickness of making thing.The anglec of rotation of the main shaft 7 when suture needle 2a thrusts the timing Hb that makes thing is angle θ a, and this angle θ a obtains according to the position on the needle plate on the maintaining part 11 that will make thing and remain on travel mechanism 10 and the thickness of making thing.Usually, the above-mentioned anglec of rotation θ a of main shaft 7 is set as identical with above-mentioned anglec of rotation θ b.For angle θ a and angle θ b, if for example in stitch data, input fabric thickness, perhaps beyond stitch data, carry out the input of fabric thickness by the user in addition, then can suitably obtain.Suture needle is not thrust when making thing, and the anglec of rotation θ 1 of main shaft 7 calculates by following formula (1).
θ1＝180°-(θa+θb) (1)
Since stabilization time of measuring required minimum time when Ts main shaft 7 is rotated during θ 1, so rotate a circle for main shaft 7, the time T b of high rotation speed calculates by following formula (2).
Tb＝Ts×360°/θ1 (2)
According to the time T b that the main shaft 7 of being obtained by formula (2) rotates a circle, the rotary speed N[rpm of main shaft 7] calculate by following formula (3).
N＝60/Tb (3)
The rotary speed of sewing machine electromotor 5 becomes the rotary speed identical with the result of calculation of the rotary speed N that is obtained by formula (3).As noted above, the rotary speed of calculating sewing machine electromotor 5.Here, at the high rotation speed N[rpm according to main shaft 7 that stabilization time of determining, Ts calculated], in the large situation of the rotary speed of the sewing machine electromotor 5 in the stitch data, by the control program of making of Sewing machines, select minimum Sewing machines rotary speed limit value (by the high rotation speed value of each condition restriction) and make.
The calculating of the rotary speed of the sewing machine electromotor 5 that is undertaken by speed computing unit 57, the foundation stitch data make release after, read the data that are stored in spindle encoder 6, X-axis position sensor 13 and Y-axis position sensor 15 among the EEPROM24 every the stipulated time, carry out above-mentioned calculating.In addition, in abundant situation of the processing time of the CPU21 of the control device 20 of Sewing machines, also can the making in the action of foundation stitch data, calculate.
(action beginning angle calculation unit)
Action beginning angle calculation unit 58, according to based on stitch data by the X-axis position sensor 13 of travel mechanism 10 and the position of Y-axis position sensor 15 detected travel mechanisms 10, with the anglec of rotation by spindle encoder 6 detected main shafts 7, the action of calculating the travel mechanism 10 in each pin begins angle θ start.
Fig. 7 is before the action that is illustrated in the travel mechanism 10 that drives by the foundation stitch data begins correction that angle drives, after the correction that begins angle with action based on the travel mechanism 10 that is calculated by action beginning angle calculation unit 58 and drive, suture needle 2a moves up and down regularly and the key diagram of the corresponding relation between the action of travel mechanism 10 regularly.The curve H of Fig. 7 is that expression suture needle 2a is with respect to the curve of the conversion that moves up and down the position of making thing.The curve W of Fig. 7 and curve WA are expressions and the curve H curve of the detection position of the travel mechanism 10 on the axle at one time.The curve W of Fig. 7 is the curve of conversion of the detection position of the travel mechanism 10 before expression is revised, and curve WA is the curve of conversion of detection position of the travel mechanism 10 of (beginning angle with the action of the travel mechanism 10 that calculated by action beginning angle calculation unit 58 drives) after expression is revised.
Action beginning angle calculation unit 58 just will be extracted timing Ha before from making thing according to suture needle, and the action of setting travel mechanism 10 in order to make travel mechanism 10 begin to move begins angle.Namely, when the foundation stitch data drives travel mechanism 10, set action beginning angle θ start, this action beginning angle θ start is the differential seat angle the anglec of rotation θ B of the anglec of rotation θ A by spindle encoder 6 detected main shafts 7, the main shaft 7 to suture needle 2a from the timing of making thing and extracting when beginning from travel mechanism 10 to move from the detection position of travel mechanism 10, and the action when driving travel mechanism 10 with the foundation stitch data begins the angle addition and obtains.If it is θ 0 that the action when making according to stitch data driving travel mechanism 10 begins angle, then action beginning angle θ start calculates by following formula (4).
θstart＝θ0+(θB-θA) (4)
The foundation stitch data make release after, read the data that are stored in spindle encoder 6, X-axis position sensor 13 and Y-axis position sensor 15 among the EEPROM24 every the stipulated time, carry out the above-mentioned action of being undertaken by action beginning angle calculation unit 58 and begin the calculating of angle θ start.
In addition, in abundant situation of the processing time of the CPU21 of the control device 20 of Sewing machines, also can calculate making in the action of foundation stitch data.
In addition, for actuation time computing unit 56, speed computing unit 57 and action beginning angle calculation unit 58, the CPU21 of control device 20 is according to being stored in stitch data among the EEPROM24, calculating by the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms 10 and by the anglec of rotation of spindle encoder 6 detected main shafts 7 based on making in the action of this stitch data.At this moment, by the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms 10, be to read conduct every the position of stipulated time storage by the travel mechanism 10 among the EEPROM24 of the 2nd memory cell of the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms 10.In addition, by the anglec of rotation of spindle encoder 6 detected main shafts 7, be to read every the anglec of rotation of stipulated time storage by the main shaft 7 among the EEPROM24 of the anglec of rotation of spindle encoder 6 detected main shafts 7.
(the 2nd memory cell)
The Spindle rotation angle degree of the 2nd memory cell 52 storage spindle encoders, by the result of calculation of the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms 10, actuation time computing unit 56, speed computing unit 57 and action beginning angle calculation unit 58.Specifically, by the anglec of rotation of the spindle encoder 6 detected main shafts 7 of the sewing machine electromotor 5 of control device 20, by the position of the X-direction of the X-axis position sensor 13 detected travel mechanisms 10 of X-axis motor 12 and by the position of the Y direction of the Y-axis position sensor 15 detected travel mechanisms 10 of Y-axis motor 14, be stored among the EEPROM24.In addition, rotary speed and the action beginning angle θ start of the stabilization time that is calculated by the CPU21 of control device 20, the sewing machine electromotor 5 corresponding with stabilization time are stored among the EEPROM24.Thus, above-mentioned EEPROM24 is as 52 its effects of the 2nd memory cell.
In addition, with storage stabilization time corresponding sewing machine electromotor 5 rotary speed and action beginning angle, be stored as can identify corresponding with which stitch data.
(making control module)
Make control module 55, according to this stitch data make operation the time, make based on each result of calculation that is stored in the 2nd memory cell 52.
Namely, according to this stitch data make operation the time, the rotary speed that obtains with the result of calculation by speed computing unit 57 drives sewing machine electromotor 5, stabilization time and action beginning angle according to the result of calculation that is begun angle calculation unit 58 by actuation time computing unit 56 and action obtains make travel mechanism 10 move and make.Thus, can carry out once according to stitch data make operation after, based on the actuation time by the travel mechanism 10 that computing unit 56 calculates actuation time, rotary speed according to the sewing machine electromotor 5 that is calculated by speed computing unit 57, begin angle with the action of the travel mechanism 10 that is calculated by action beginning angle calculation unit 58, make Sewing machines 1 action.
In addition, make control module 55, by will being stored in stitch data among the EEPROM24, reading in the CPU21 of control device 20 and process by each result of calculation that actuation time, computing unit, speed computing unit and action beginning angle calculation unit drew, thereby work.
(display unit)
Fig. 8 is the key diagram of an example of the display frame of expression guidance panel display screen 4.
Guidance panel display screen 4, it is can be respectively corresponding with following data and show: every the position that moves up and down of the needle bar of stipulated time, it is based on the sewing speed of the Sewing machines after being increased and decreased by the rotary speed of making 55 pairs of sewing machine electromotors of control module; Position every the travel mechanism of stipulated time, it is based on the action required time by the travel mechanism that computing unit 56 calculates actuation time; And the action of travel mechanism begins angle, and it is calculated by action beginning angle calculation unit 58.That is, as shown in Figure 8, at one time on the axle, the moving up and down of needle bar 2 of visually grasping Sewing machines 1 is corresponding relation between the action that moves up and down position and travel mechanism 10 of suture needle 2a.Thus, can be before Sewing machines action, visually grasp the effect of result of calculation of the rotary speed of the sewing machine electromotor that is drawn by speed computing unit 57 and action beginning angle calculation unit 58.Thus, guidance panel display screen 4 works as " display unit ".
In addition, the actuation time of travel mechanism 10, begin angle at one time on the axle under the corresponding state based on the action that moves up and down position and travel mechanism 10 of the suture needle 2a of the rotary speed of sewing machine electromotor 5, be presented on the guidance panel display screen 4 of control device 20, guidance panel display screen 4 works thus.In addition, PC40 can also be by reading the position that moves up and down every the needle bar of stipulated time, the position of the travel mechanism that moves every the stipulated time, and the action time started of travel mechanism, with guidance panel display screen 4 in the same manner, show at display 41, wherein, the sewing speed that moves up and down the Sewing machines after the position increases and decreases based on the rotary speed of making 55 pairs of sewing machine electromotors of control module by control device 20 of this needle bar, the position of this travel mechanism is based on the action required time by the travel mechanism that computing unit 56 calculates actuation time, and the action of this travel mechanism begins angle and calculated by action beginning angle calculation unit 58.
(action of Sewing machines)
Below, the action of Sewing machines 1 is at length described.
Action for Sewing machines 1, at instrumentation during by the spindle encoder 6 detected Spindle rotation angle degree of sewing machine electromotor 5 with by the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms 10, select the instrumentation pattern and make action.Sewing machines operation when Fig. 9 is expression selection instrumentation pattern and the figure of motion flow.Figure 10 is the figure of the contents processing of the expression instrumentation timer handling process of interrupting.
At first, if user selection instrumentation pattern (step S1), then Sewing machines 1 is made the action except common, move as the instrumentation pattern, that is, instrumentation is by spindle encoder 6 detected Spindle rotation angle degree with by the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms 10.If owing in the situation that draw pin with instrumentation mode activated Sewing machines, suture needle 2a broken needle might occur then, or form the low stitching of sewing quality and produce and discard the waste of making thing, do not make thing and make action so usually do not arrange.
In addition, via the demonstration on the guidance panel display screen 4 and output, the user selects stitch mode.Then, if user's operating pedal 3 (step S2), then control device 20 carries out save data initialization (step S3), and then, allow the instrumentation timer to interrupt, make the instrumentation timer begin action (step S4).Then, Sewing machines 1 beginning is made action (step S5) based on the stitch data of selecting.
If this during beginning instrumentation pattern made action, then every count cycle of the regulation of instrumentation timer, produce interrupt signal, carry out the processing that instrumentation timer shown in Figure 10 interrupts the handling process of processing, control device 20 reads by spindle encoder 6 detected Spindle rotation angle degree with by the position of X-axis position sensor 13 and Y-axis position sensor 15 detected travel mechanisms 10, stores these data and instrumentation count value among the EEPROM24 (step S6).
If based on stitch data make release (step S7), then control device 20 forbids that the instrumentation timer interrupts, and stops the action of instrumentation timer (step S8).
Then, the CPU21 of control device 20, read the Spindle rotation angle degree that is stored among the EEPROM24 and position and the instrumentation count value of travel mechanism 10, according to this instrumentation count value, the position of Spindle rotation angle degree and travel mechanism 10, calculate Ts stabilization time of travel mechanism 10, high rotation speed N with sewing machine electromotor 5 corresponding to Ts stabilization time, and the action of travel mechanism 10 begins angle θ start, with Ts stabilization time, the rotary speed of the sewing machine electromotor 5 corresponding with the rotary speed N of main shaft 7 and action beginning angle θ start, store into (step S9) among the EEPROM24, finish the action of instrumentation pattern.
After the release of instrumentation pattern, if the user selects the demonstration of above-mentioned result of calculation by guidance panel display screen 4, then utilize the CPU21 of control device 20, will with stabilization time Ts, main shaft 7 rotary speed N and the corresponding relation between the position that moves up and down position and travel mechanism 10 of suture needle 2a corresponding to action beginning angle θ start, be presented on the guidance panel display screen 4.
Then, if the common stitch mode of user selection carries out the action of making according to this stitch data, then make by making control module 55.That is, the CPU21 of control device 20 is based on being stored among the EEPROM24 and high rotation speed N and action beginning angle θ start sewing machine electromotor 5 corresponding to Ts stabilization time, make Sewing machines 1 the each several part action make action.Thus, can not produce by problems such as the decline of the sewing quality that draws pin to cause or broken needles, and can carry out the action of making according to this stitch data.
(effect of Sewing machines involved in the present invention)
According to the above embodiments, when making of foundation stitch data moved, by Ts stabilization time of the travel mechanism 10 that computing unit 56 calculates actuation time, begin angle by the rotary speed of sewing machine electromotor 5 corresponding to speed computing unit 57 rotary speed N that calculate and main shaft 7 and the action that is calculated by action beginning angle calculation unit 58, be stored in the 2nd memory cell 52.
In addition, after it, carry out in the situation of making operation according to this stitch data, make control module 55, drive sewing machine electromotor 5 with the rotary speed that is stored in the sewing machine electromotor 5 in the 2nd memory cell 52, according to stabilization time Ts and action beginning angle θ start, make travel mechanism's 10 actions.Thus, with travel mechanism 10 stabilization time Ts accordingly, just just to thrust the timing of making before the thing and carried out suitable control from making timing and the suture needle 2a of thing after extracting suture needle 2a.Thus, by at suture needle 2a just before making the timing of thing after extracting, make travel mechanism's 10 actions, or after suture needle 2a just will thrust timing before making thing, make travel mechanism's 10 actions, thereby can not draw pin.Thus, can solve occur by making travel mechanism's action in the timing before make thing to extract suture needle draw pin, the problem that the deterioration of making take-up that causes or the sewing quality that causes with respect to the expansion of the suture needle through hole of making thing, the position skew of stitching etc. worsen.Thus, improve sewing quality.And, can solve by thrust in suture needle timing after making thing make travel mechanism's action and occur draw pin, the problem of caused broken needle.Thus, improve the reliability of Sewing machines.
In addition, as noted above by computing unit 56 and speed computing unit 57 actuation time, automatically calculate and rotary speed by the corresponding suitable sewing machine electromotor 5 of the movement of making thing of travel mechanism's 10 actions, and be stored in the 2nd memory cell 52.Thus, can automatically carry out Sewing machines sewing speed setting and move forward into to action begin the setting of angle, above-mentioned setting is that the user is by manually carrying out in the prior art, be used for by reducing the sewing speed of Sewing machines, solve the pin that draws in the sewing quality problem that the feeding by the travel mechanism of correspondence causes.Thus, compared with prior art, can be very easy to and prevent from reliably drawing the setting of sewing speed of pin and the action of travel mechanism to begin the setting of angle.
In addition, namely draw pin for the sewing quality problem that the feeding by travel mechanism causes, in the prior art, owing to not providing the needle bar action timing of any Sewing machines and the responsive state of travel mechanism for the user, so be not effective solution, countermeasure also only is the rotary speed of change Sewing machines, and the present invention addresses this problem a little, improves the reliability of Sewing machines.And, in the prior art, because the setting of sewing speed depends on user's experience, thus can not find general solution, and the present invention addresses this problem a little, further improves the reliability of Sewing machines.And, owing to automatically carrying out the calculating of suitable sewing speed, so can solve in the prior art, Sewing machines is repeatedly moved and the problem of needs time, shortening is made the time of operation and is improved operating efficiency.And, can reduce in the prior art broken needle that produces when being attended by during the examination of the Sewing machines that carried out is made or make the discarded cost of thing before finding suitable sewing speed.
In addition, based on stitch data make operation the time the anglec of rotation of main shaft 7 and the position of travel mechanism 10, be stored among the EEPROM24 every the stipulated time.Thus, for the calculating of Ts computing unit 56 carries out by actuation time stabilization time, begin the various calculating such as calculating of angle θ start by the calculating of the rotary speed of sewing machine electromotor 5 corresponding to speed computing unit 57 rotary speed N that carry out and main shaft 7 and the action of being undertaken by action beginning angle calculation unit 58, can after making the end of job, carry out.That is, do not need computing is carried out in these various calculating in real time.Thus, even the CPU21 of control device 20 does not have carried out in real time the performance of computing by the position of spindle encoder 6 detected travel mechanisms, also can carry out this various calculating.That is, the performance requirement of lower CPU21 for control device 20 can be set, cost can be reduced.
In addition, guidance panel display screen 4 can show accordingly with following data: take relative moving mechanism 10 stabilization time Ts and the rotary speed of sewing machine electromotor 5 corresponding to the rotary speed N with main shaft 7 that suitably calculates as the position that moves up and down of the suture needle 2a on basis; And begin action at action beginning angle θ start, with the position of the mobile device 10 that stabilization time, Ts moved.Thus, can before the making of Sewing machines 1, visually grasp the effect that prevents from drawing pin that obtains by making control module 55.Thus, the user can more clearly grasp the action of Sewing machines 1.
(other)
In addition, in the above-described embodiment, actuation time computing unit 56, speed computing unit 57 and action beginning angle calculation unit 58, the calculating of the CPU21 of the control device 20 by Sewing machines 1 is worked, but the calculating of PC40 that also can be by the outside is moved.
In addition, the display 41 in the above-mentioned embodiment is displays 41 of PC40, but also can use the display unit of other special use.
In addition, enforcement of the present invention is not limited to the Sewing machines 1 in the above-mentioned embodiment, so long as relative moving up and down of needle bar, along moving up and down the Sewing machines that vertical horizontal plane makes travel mechanism action with this, and the Sewing machines that travel mechanism's action is made based on stitch data gets final product.
Claims (3)
1. automatic sewing machine, it has:
Needle bar is equipped with suture needle on it, move up and down with the rotating gang of main shaft;
Travel mechanism, it makes makes thing mobile with the horizontal plane that moves up and down the direction quadrature of described needle bar;
Sewing machine electromotor, it makes described main shaft rotation;
The 1st detecting unit, it detects the anglec of rotation of described main shaft;
Drive motor, it drives described travel mechanism;
The 2nd detecting unit, it detects the position of described travel mechanism;
Control module, it is controlled drive motor; And
The 1st memory cell, it stores stitch data, and this stitch data is included in the described rotary speed of making spacing, pin number and described main shaft of making the stitching that forms on the thing,
This Sewing machines is made by making the action of described needle bar and described travel mechanism based on the rotary speed of making spacing, pin number and described main shaft in the described stitch data,
It is characterized in that, this Sewing machines has:
The 2nd memory cell, its when driving described travel mechanism based on described stitch data, every stipulated time storage by the anglec of rotation of the detected main shaft of described the 1st detecting unit and by the position of the detected travel mechanism of described the 2nd detecting unit;
Actuation time computing unit, it calculates the action required time of described travel mechanism according to being stored in the position of the described travel mechanism in described the 2nd memory cell;
The speed computing unit, it calculates the rotary speed of sewing machine electromotor based on the result of calculation of the action required time that computing unit obtains by described actuation time;
Action beginning angle calculation unit, it is based on the position of described travel mechanism and the anglec of rotation of described main shaft, and the action of calculating travel mechanism begins angle; And
Make control module, it is based on the rotary speed of making spacing, pin number and described main shaft in the described stitch data, when making the action of described needle bar and described travel mechanism, based on following result of calculation described sewing machine electromotor is driven: the described speed computing unit that obtains when driving Sewing machines based on described stitch data before this is to the result of calculation of the rotary speed of sewing machine electromotor, and the described action that obtains when driving Sewing machines based on described stitch data before this begins angle calculation unit begins angle to the action of travel mechanism result of calculation.
2. automatic sewing machine according to claim 1 is characterized in that,
Have display unit, it can make, and following data are corresponding to be shown: every the position that moves up and down of the needle bar of stipulated time, it is based on the rotary speed of the sewing machine electromotor that is calculated by described speed computing unit; Every the position of the travel mechanism of stipulated time, it is based on the action required time of the described travel mechanism that computing unit calculates by described actuation time; And the action of travel mechanism begins angle, and it is calculated by action beginning angle calculation unit.
3. automatic sewing machine according to claim 1 and 2 is characterized in that,
Have the interface that can be connected with outer computer,
By described actuation time the described travel mechanism that computing unit carries out the action required time calculating, the described sewing machine electromotor that undertaken by described speed computing unit rotary speed calculating and begin the calculating of angle by the action that described action begins the described travel mechanism that angle calculation unit carries out, undertaken by the described outer computer that connects via described interface.
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| JP2007288334 | 2007-11-06 | ||
| JP2007-288334 | 2007-11-06 | ||
| JP2007288334A JP2009112501A (en) | 2007-11-06 | 2007-11-06 | Sewing machine |
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| CN101429708A CN101429708A (en) | 2009-05-13 |
| CN101429708B true CN101429708B (en) | 2013-03-06 |
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| KR (1) | KR101508636B1 (en) |
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| CN102634935B (en) * | 2012-03-13 | 2014-06-25 | 西安标准工业股份有限公司 | Method capable of effectively improving sewing stitches |
| JP5965772B2 (en) * | 2012-08-06 | 2016-08-10 | Juki株式会社 | sewing machine |
| CN109322065A (en) * | 2018-11-23 | 2019-02-12 | 无锡信捷电气股份有限公司 | Full-automatic sewing machine platform follow-up control device |
| KR102104419B1 (en) * | 2018-11-30 | 2020-04-24 | 김태범 | Artificial intelligence sewing machine and sewing machine control method using internet of things |
| CN110629410A (en) * | 2019-09-02 | 2019-12-31 | 苏州红堇天机电科技有限公司 | Gap compensation control method for needle and rotating shuttle of computerized quilting machine |
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| JP2004329394A (en) * | 2003-05-02 | 2004-11-25 | Juki Corp | Feeding drive for sewing machine |
| JP2007195682A (en) | 2006-01-25 | 2007-08-09 | Juki Corp | Sewing machine |
-
2007
- 2007-11-06 JP JP2007288334A patent/JP2009112501A/en active Pending
-
2008
- 2008-10-24 TW TW097140939A patent/TWI443241B/en not_active IP Right Cessation
- 2008-11-05 KR KR20080109400A patent/KR101508636B1/en active IP Right Grant
- 2008-11-06 CN CN200810172659XA patent/CN101429708B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537945A (en) * | 1994-02-03 | 1996-07-23 | Brother Kogyo Kabushiki Kaisha | Sewing data modifying apparatus |
| CN1136610A (en) * | 1995-02-09 | 1996-11-27 | 兄弟工业株式会社 | Sewing machine |
| CN101041923A (en) * | 2006-03-24 | 2007-09-26 | 兄弟工业株式会社 | Buttonhole sewing machine |
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| JP特开2005-87230A 2005.04.07 |
| JP特开2006-181166A 2006.07.13 |
| JP特开平7-59975A 1995.03.07 |
| JP特开平8-318082A 1996.12.03 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101508636B1 (en) | 2015-04-03 |
| JP2009112501A (en) | 2009-05-28 |
| TWI443241B (en) | 2014-07-01 |
| CN101429708A (en) | 2009-05-13 |
| TW200938680A (en) | 2009-09-16 |
| KR20090046732A (en) | 2009-05-11 |
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