CN106319782A - Cutter control device for buttonholing machine and straight buttonhole machine - Google Patents
Cutter control device for buttonholing machine and straight buttonhole machine Download PDFInfo
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- CN106319782A CN106319782A CN201510347597.1A CN201510347597A CN106319782A CN 106319782 A CN106319782 A CN 106319782A CN 201510347597 A CN201510347597 A CN 201510347597A CN 106319782 A CN106319782 A CN 106319782A
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Abstract
The invention provides a cutter control device for a buttonholing machine and a straight buttonhole machine. The cutter control device for the buttonholing machine comprises a cutter mechanism, a motor, and an encoder as well as a motor driving plate. The motor is electrically connected with the motor driving plate used for outputting a motor control signal to the motor. The encoder is electrically connected with the motor driving plate and used for outputting a motor feedback signal to the motor driving plate according to angle displacement of the motor. The motor driving plate is further used for comparing the motor feedback signal with the motor control signal and obtaining a result and adjusting the motor control signal according to the comparison result. The cutter control device for the buttonholing machine has following beneficial effects: when there is something wrong with the motor or the cutter mechanism, working parameters of the motor can be adjusted and problems are timely processed so that working efficiency of the cutter control device for the buttonholing machine is increased.
Description
Technical field
The present invention relates to sewing machine technique field, particularly relate to a kind of lockstitch button holder cutter control device and tack
Lockstitch button holder.
Background technology
Lockstitch button holder is very important a kind of equipment in garment machinery, and it is mainly used in processing in all kinds of dress ornament
Button eye, wherein, cutter mechanism is the key mechanism of lockstitch button holder, for by the cloth in the middle of stitching thread
Cut thus form button eye.Along with the appearance of intelligence control system, cutter mechanism can accomplish side seam limit
Cut, first seam rear cutout or first cut stitch afterwards, therefore, how to drive cutting knife to carry out work normally and efficiently, right
Lockstitch button holder is most important.
In the prior art, cutting knife control mode mainly has three kinds, is respectively as follows: bidirectional electromagnet controlling party
Formula, Air Valve Control mode and motor control mode.Wherein, bidirectional electromagnet control mode relies on electric magnet
Driving cutting knife, the vibration of generation and noise are very big, and, the magnetic force size of electric magnet is close with magnetic core position
Cut is closed, therefore, higher to matching requirements.Air Valve Control mode relies on air pump to drive cutting knife, to assembling
Require height, and relatively costly.Motor control mode relies on motor to drive cutting knife, relative to bi-directional electromagnetic
Ferrum control mode and air valve control mode, noise is relatively low, assembles the simplest.
But, existing motor control mode have employed opened loop control, i.e. motor is only according to setup parameter
Operating, cannot adjust the running parameter of motor in time, have a strong impact on when motor or cutting knife go wrong
The work efficiency of cutter mechanism.
Summary of the invention
The present invention provides a kind of lockstitch button holder cutter control device and straight buttonholing machine, worked at cutter mechanism
Cheng Zhong, can adjust the running parameter of motor in time, in time when motor or cutter mechanism go wrong
Process problem, improves the work efficiency of cutter mechanism for buttonholing machine.
The lockstitch button holder cutter control device that the present invention provides, including: cutter mechanism, motor, encoder,
And motor drives plate；
Described motor is connected with described cutter mechanism and described encoder respectively, and described motor is used for driving institute
State cutter mechanism work；
Described motor drives plate to electrically connect with described motor, and described motor drives plate to described motor output electricity
Machine control signal；
Described encoder drives plate to electrically connect with described motor, is used for the angular displacement according to described motor to institute
State motor and drive plate output motor feedback signal；
Described motor drives plate to be additionally operable to, and described motor feedback signals is carried out with described motor control signal
Relatively obtain comparative result, and adjust described motor control signal according to described comparative result.
The straight buttonholing machine that the present invention provides, including: lockstitch button holder master control borad, and the lock that the present invention provides
Eye machine cutter control device；Described lockstitch button holder master control borad drives plate to electrically connect with described motor；
Described lockstitch button holder master control borad is used for, and drives plate transmission cutting knife operating instruction, cutting knife to stop to described motor
Only instruction or cutting knife brake hard instruction, and drive plate to receive motor condition feedback from described motor；
Described motor drives plate to be used for, and starts motor according to described cutting knife operating instruction, or according to described
Cutting knife halt instruction and described cutting knife brake hard instruction stop motor work.
The invention provides a kind of lockstitch button holder cutter control device and straight buttonholing machine, lockstitch button holder cutting knife controls
Device includes cutter mechanism, motor, encoder, and motor drives plate, motor respectively with cutter mechanism
Connecting with encoder, motor drives plate to electrically connect with motor and encoder respectively, and wherein, motor is used for driving
Dynamic cutter mechanism work, encoder drives plate output motor feedback for the angular displacement according to motor to motor
Signal, motor drive plate for motor output motor control signal, be additionally operable to by motor feedback signals with
Motor control signal compares acquisition comparative result, and adjusts motor control signal according to comparative result.
The lockstitch button holder cutter control device that the present invention provides, have employed close-loop control mode, works at cutter mechanism
During, the running parameter of motor can be adjusted in time when motor or cutter mechanism go wrong, and
Time process problem, improve the work efficiency of cutter mechanism for buttonholing machine.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the lockstitch button holder cutter control device that Fig. 1 provides for the embodiment of the present invention one；
The structural representation of the lockstitch button holder cutter control device that Fig. 2 provides for the embodiment of the present invention two；
In the lockstitch button holder cutter control device that Fig. 3 provides for the embodiment of the present invention two, the duty of motor turns
Move schematic diagram；
The structural representation of the straight buttonholing machine that Fig. 4 provides for the embodiment of the present invention one.
Description of reference numerals:
11: blade；13: tool rest；
15: knife bar；17: crank；
19: connecting rod；101: cutter mechanism；
103,104: motor；105,106: encoder；
107,108,2031: motor drives plate；200: straight buttonholing machine；
201: lockstitch button holder master control borad；203: lockstitch button holder cutter control device.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
The structural representation of the lockstitch button holder cutter control device that Fig. 1 provides for the embodiment of the present invention one, such as figure
Shown in 1, the lockstitch button holder cutter control device that the present embodiment provides, may include that
Cutter mechanism 101, motor 103, encoder 105, and motor driving plate 107.
Motor 103 is connected with cutter mechanism 101 and encoder 105 respectively, and motor 103 is cut for driving
Cutter mechanism 101 works.
Motor 103 drives plate 107 to electrically connect with motor, and motor drives plate 107 to export electricity to motor 103
Machine control signal.
Encoder 105 drives plate 107 to electrically connect with motor, is used for the angular displacement according to motor 103 to electricity
Machine drives plate 107 output motor feedback signal.
Motor drives plate 107 to be additionally operable to, and motor feedback signals and motor control signal are compared acquisition
Comparative result, and adjust motor control signal according to comparative result.
The lockstitch button holder cutter control device that the present embodiment provides, operation principle is as follows:
Motor 103 powers on after initial alignment, and motor drives plate 107 defeated to motor 103 according to default formula
Go out motor control signal, motor 103 according to motor control signal with certain rotating speed and moment of torsion output angle position
In-migration drives cutter mechanism 101 to work so that cloth is cut thus forms knob by cutter mechanism 101
Buttonhole, wherein, the frequency of motor control signal can control the rotating speed of motor 103, motor control signal
Phase place can control motor 103 and preset the angular displacement of output.If motor 103 and cutter mechanism 101 work
Make normal, then motor 103 will be operated according to the parameter of motor control signal according to default formula.
Motor 103 is also connected with encoder 105, and encoder 105 can be according to the actual output of motor 103
Angular displacement to motor drive plate 107 output motor feedback signal, i.e. encoder 105 can be by motor
The real work situation of 103 feeds back to motor and drives plate 107, such as: if step lost by motor 103, then motor
The angular displacements of 103 actual outputs will be the least or be 0；If motor 103 more step, then motor 103 is actual
The angular displacement of output will be the biggest；If thick cloth is cut and the torsion of motor 103 by cutter mechanism 101
During square deficiency, will appear from the situation of " cutting motionless ", the angular displacement of the now actual output of motor 103 will
The least, etc..So, it being connected with encoder 105 by motor 103, encoder 105 can basis
The angular displacement of the actual output of motor 103 generates motor feedback signals, thus by the real work of motor 103
Situation feeds back to motor and drives plate 107.
Motor drives plate 107 to be compared with motor feedback signals by motor control signal, according to comparing knot
Fruit adjusts motor control signal.If motor 103 and cutter mechanism 101 are working properly, motor 103 is preset
Compared with the angular displacement of the angular displacement of output output actual with motor 103, both deviations will be the least, i.e.
Motor control signal can be the least with the deviation of motor feedback signals, at this point it is possible to do not adjust motor to control letter
Number.If motor 103 or cutter mechanism 101 operation irregularity, such as: motor 103 lose step or more step,
Or cutter mechanism 101 cuts motionless thick cloth, then angular displacement and the motor 103 of output preset by motor 103
The angular displacement of actual output is compared, and both deviations will be bigger, i.e. motor control signal is anti-with motor
The deviation of feedback signal can be relatively big, at this time, it may be necessary to adjust motor control signal, can adjust motor and control letter
Number frequency so that motor 103 rotating speed increase or reduce, or can adjust motor control letter
Number the phase place angular displacement that makes motor 103 preset output increase or reduce.So, the present embodiment carries
The lockstitch button holder cutter control device of confession, have employed close-loop control mode, can be according to the real work of motor
Situation adjusts the running parameter of motor in real time, thus permissible when motor or cutter mechanism go wrong
Process in time, improve the work efficiency of cutter mechanism for buttonholing machine.
Optionally, motor 103 can be two-phase hybrid stepping motor.
It should be noted that due to the restriction of frame for movement, the size of motor 103 is unsuitable excessive long,
Optionally, the length of motor 103 is less than or equal to 90 millimeters.
Present embodiments provide a kind of lockstitch button holder cutter control device, including cutter mechanism, motor, coding
Device, and motor driving plate, motor is connected with cutter mechanism and encoder respectively, and motor drives plate respectively
Electrically connecting with motor and encoder, wherein, motor is used for driving cutter mechanism to work, and encoder is used for root
Driving plate output motor feedback signal according to the angular displacement of motor to motor, motor drives plate for defeated to motor
Go out motor control signal, be additionally operable to that motor feedback signals is compared acquisition with motor control signal and compare
As a result, and according to comparative result motor control signal is adjusted.The lockstitch button holder cutting knife that the present embodiment provides controls
Device, have employed close-loop control mode, in cutter mechanism work process, at motor or cutter mechanism
The running parameter of motor can be adjusted when going wrong in time, process problem in time, improve lockstitch button holder and cut
The work efficiency of cutter mechanism.
The structural representation of the lockstitch button holder cutter control device that Fig. 2 provides for the embodiment of the present invention two, this reality
Execute example on the basis of embodiment one, it is provided that the another kind of implementation of lockstitch button holder cutter control device.
As in figure 2 it is shown, the present embodiment provide lockstitch button holder cutter control device, may include that cutter mechanism,
Motor 104, encoder 106, and motor driving plate 108.
Cutter mechanism may include that blade 11, tool rest 13, knife bar 15, crank 17, connecting rod 19.
Blade 11 is fixed on the lower end of knife bar 15 by tool rest 13.
The output shaft of motor 104 is connected with crank 17, and crank 17 is connected with one end of connecting rod 19, even
The other end of extension bar 19 is connected with knife bar 15.
Wherein, encoder 106 is positioned at motor 104 rear end, the main shaft of encoder 106 and motor 104
Output shaft connects.
Motor 104 drives plate 108 to electrically connect with motor, and motor drives plate 108 to export electricity to motor 104
Machine control signal.
Encoder 106 drives plate 108 to electrically connect with motor, and encoder 106 is for according to motor 104
Angular displacement drives plate 108 output motor feedback signal to motor.
Motor drives plate 108 to be additionally operable to, and motor feedback signals and motor control signal are compared acquisition
Comparative result, and adjust motor control signal according to comparative result.
The lockstitch button holder cutter control device that the present embodiment provides, operation principle is as follows:
Motor 104 powers on after initial alignment, and motor drives plate 108 defeated to motor 104 according to default formula
Go out motor control signal, motor 104 according to motor control signal with certain rotating speed and moment of torsion output angle position
In-migration drives cutter mechanism work, and specifically, motor 104 is driven by crank 17 and connecting rod 19
Knife bar 15 moves up and down, and cutting knife 11 often moves up and down once, the most once cuts cloth.If motor 104
Working properly with cutter mechanism, then motor 104 by according to default formula according to the parameter of motor control signal
It is operated.
The main shaft of encoder 106 is connected with the output shaft of motor 104, and encoder 106 can be according to motor
The angular displacement of 104 actual outputs drives plate 108 output motor feedback signal to motor.Motor drives plate 108
Motor control signal is compared with motor feedback signals, adjusts motor control signal according to comparative result.
Specifically, motor drives plate 108 to be compared with motor feedback signals by motor control signal, root
Adjust motor control signal according to comparative result, may include that
If the phase value of motor feedback signals is less than preset value with the difference of the phase value of motor control signal,
Or, the phase value of motor control signal is less than preset value with the difference of the phase value of motor feedback signals,
The most do not adjust motor control signal.
When motor 104 normally works, the angular displacement of the actual output of motor 104 is likely less than motor 104
Preset the angular displacement of output, it is also possible to preset the angular displacement of output, encoder 106 more than motor 104
Motor feedback signals is generated according to the angular displacement of the actual output of motor 104.If the phase value of motor feedback signals
It is less than preset value with the difference of the phase value of motor control signal, or, the phase value of motor control signal
It is less than preset value, then it is assumed that motor 104 is the most working properly with the difference of the phase value of motor feedback signals,
Now, it is not necessary to adjust motor control signal.
Specifically, motor drives plate 108 to be compared with motor feedback signals by motor control signal, root
Motor control signal is adjusted, it is also possible to including according to comparative result:
If the phase value of motor feedback signals is more than preset value with the difference of the phase value of motor control signal,
The phase value then adjusting motor control signal makes phase value and the motor control signal of motor feedback signals
The difference of phase value is equal to preset value.
Such as: when motor 104 runs up, if phenomenon, now, motor 104 occurs more walking in motor 104
The angular displacement of actual output will be greater than motor 104 and presets the angular displacement of output, and encoder 106 is according to motor
The angular displacement of 104 actual outputs generates motor feedback signals, and the phase value of motor feedback signals will be greater than electricity
The phase value of machine control signal, if the phase value of the phase value of motor feedback signals and motor control signal
Difference is more than preset value, illustrates that motor 104 more step is serious, needs to preset motor 104 position, angle of output
Shift-in Row sum-equal matrix, now, the phase value adjusting motor control signal makes the phase value of motor feedback signals
It is equal to preset value, i.e. by adjusting motor 104 in time with the difference of the phase value of motor control signal
Running parameter, is arranged on the difference of the phase value of motor feedback signals with the phase value of motor control signal
Controlled range, in order to avoid motor 104 seriously more step causes the damage of motor 104 or cloth, improves simultaneously
The work efficiency of cutter mechanism for buttonholing machine.
Specifically, motor drives plate 108 to be compared with motor feedback signals by motor control signal, root
Motor control signal is adjusted, it is also possible to including according to comparative result:
If the phase value of motor control signal is more than preset value with the difference of the phase value of motor feedback signals,
The phase value then adjusting motor control signal makes phase value and the motor feedback signals of motor control signal
The difference of phase value is equal to preset value.
Such as: when motor 104 runs up, if step phenomenon, now, motor 104 occurs losing in motor 104
The angular displacement of actual output will preset the angular displacement of output less than motor 104, and encoder 106 is according to motor
The angular displacement of 104 actual outputs generates motor feedback signals, and the phase value of motor control signal will be greater than electricity
The phase value of machine feedback signal, if the phase value of the phase value of motor control signal and motor feedback signals
Difference is more than preset value, illustrates that motor 104 loses step seriously, needs to preset motor 104 position, angle of output
Shift-in Row sum-equal matrix, now, the phase value adjusting motor control signal makes the phase value of motor control signal
It is equal to preset value, i.e. by adjusting motor 104 in time with the difference of the phase value of motor feedback signals
Running parameter, is arranged on the difference of the phase value of motor control signal with the phase value of motor feedback signals
Controlled range, in order to avoid step seriously lost by motor 104 causes the damage of motor 104, improves lockstitch button holder simultaneously
The work efficiency of cutter mechanism.
The most such as: cutting knife 11 occurs in that the problem of " cutting motionless " during carrying out thick cloth cutting,
Now, the angular displacement of the actual output of motor 104 will preset the angular displacement of output, motor less than motor 104
The phase value of control signal will be greater than the phase value of motor feedback signals, along with the phase place of motor control signal
Value is gradually increased with the difference of the phase value of motor feedback signals, and the moment of torsion of motor 104 output is gradually increased,
When the phase value of motor control signal and the difference of the phase value of motor feedback signals are more than preset value, say
Bright " cutting motionless " problem is serious, needs the angular displacement that motor 104 is preset output to be adjusted, simultaneously
Ensureing that the moment of torsion of motor 104 output does not reduces, now, the phase value adjusting motor control signal makes electricity
The phase value of machine control signal is equal to preset value with the difference of the phase value of motor feedback signals, i.e. pass through
Adjust the running parameter of motor 104 in time, by the phase value of motor control signal and motor feedback signals
The difference of phase value is arranged on controlled range, ensures that the moment of torsion of motor 104 output does not reduces simultaneously, until
The phase value of motor control signal is less than preset value, cutting knife 11 with the difference of the phase value of motor feedback signals
Complete the cutting to thick cloth, improve the cutter mechanism for buttonholing machine adaptability to cloth.
In the present embodiment, can determine according to the comparative result of motor control signal with motor feedback signals
The duty of justice motor 104.Optionally, the duty of motor 104 may include that open loop situations,
Motoring condition and on-position.
Wherein, if the phase value of motor feedback signals and the difference of the phase value of motor control signal are less than pre-
If value, or, the phase value of motor control signal and the difference of the phase value of motor feedback signals are less than pre-
If value, then motor 104 is in open loop situations.
If the phase value of motor control signal is equal to preset value with the difference of the phase value of motor feedback signals,
Then motor 104 is in motoring condition, and now, the moment of torsion of motor 104 is bigger.
If the phase value of motor feedback signals is equal to preset value with the difference of the phase value of motor control signal,
Then motor 104 is in on-position, and now, the moment of torsion of motor 104 is less.
The duty of motor 104 can mutually be changed, the keyhole that Fig. 3 provides for the embodiment of the present invention two
The duty transfer schematic diagram of motor in machine cutter control device.
As it is shown on figure 3, when motor 104 is in open loop situations, if the phase value of motor control signal and electricity
The difference of the phase value of machine feedback signal is more than preset value, then the phase value adjusting motor control signal makes
The phase value of motor control signal is equal to preset value, motor 104 with the difference of the phase value of motor feedback signals
Motoring condition is converted to by open loop situations.
When motor 104 is in open loop situations, if the phase value of motor feedback signals and motor control signal
The difference of phase value is more than preset value, then the phase value adjusting motor control signal makes motor feedback signals
The difference of phase value of phase value and motor control signal equal to preset value, motor 104 is by open loop situations
Be converted to on-position.
When motor 104 is in motoring condition, if the phase value of motor control signal and motor feedback signals
The difference of phase value is less than preset value, then motor 104 is converted to open loop situations by motoring condition.
When motor 104 is in on-position, if the phase value of motor feedback signals and motor control signal
The difference of phase value is less than preset value, then motor 104 is converted to open loop situations by on-position.
Optionally, preset value can be 90 degree.
It should be noted that during cutting knife 11 cuts cloth every time, cutter mechanism and motor 104 defeated
Shaft can have multiple rotating manner, such as: cutter mechanism can start running from peak, to minimum
Not stopping after Dian, equidirectional remaining in operation returns to peak, now, and the output shaft operating of motor 104
One week, i.e. rotate 360 °.Cutter mechanism can also move back and forth between highs and lows, this
Time, the output shaft of motor 104 is reciprocating rotation in certain angle.
Present embodiments provide a kind of lockstitch button holder cutter control device, including cutter mechanism, motor, coding
Device, and motor driving plate, motor is connected with cutter mechanism and encoder respectively, and motor drives plate respectively
Electrically connecting with motor and encoder, wherein, motor is used for driving cutter mechanism to work, and encoder is used for root
Driving plate output motor feedback signal according to the angular displacement of motor to motor, motor drives plate for defeated to motor
Go out motor control signal, be additionally operable to that motor feedback signals is compared acquisition with motor control signal and compare
As a result, and according to comparative result motor control signal is adjusted.The lockstitch button holder cutting knife that the present embodiment provides controls
Device, have employed close-loop control mode, in cutter mechanism work process, at motor or cutter mechanism
The running parameter of motor can be adjusted when going wrong in time, process problem in time, improve lockstitch button holder and cut
The work efficiency of cutter mechanism.
The structural representation of the straight buttonholing machine that Fig. 4 provides for the embodiment of the present invention one, as shown in Figure 4,
The straight buttonholing machine 200 that the present embodiment provides, may include that lockstitch button holder master control borad 201, and such as Fig. 1
Any one lockstitch button holder cutter control device 203 to embodiment illustrated in fig. 3.Lockstitch button holder master control borad 201
Plate 2031 is driven to electrically connect with motor.
Lockstitch button holder master control borad 201 is used for, and to motor driving, plate 2031 sends cutting knife operating instruction, cutting knife stops
Only instruction or cutting knife brake hard instruction, and drive plate 2031 to receive motor condition feedback from motor.
Motor drives plate 2031 to be used for, and starts motor according to cutting knife operating instruction, or stops according to cutting knife
Instruction and cutting knife brake hard instruction stop motor work.
In the present embodiment, lockstitch button holder master control borad 201 is responsible for the complete machine of lockstitch button holder and is controlled, meanwhile, and keyhole
Machine master control borad 201 also drives plate 2031 to receive motor condition feedback from motor.
When needs carry out cutting cloth, lockstitch button holder master control borad 201 can drive plate 2031 to send to motor and cut
Cutter operating instruction, after motor drives plate 2031 to receive cutting knife operating instruction, startup motor completes cloth and cuts
Cut.
When being made without cutting cloth, lockstitch button holder master control borad 201 can drive plate 2031 to send to motor
Cutting knife halt instruction, after motor drives plate 2031 to receive cutting knife halt instruction, can stop motor work.
When motor breaks down and cannot adjust, motor drives plate 2031 meeting to lockstitch button holder master control borad 201
Reporting an error, it is urgent that lockstitch button holder master control borad 201 can drive plate 2031 to send cutting knife to motor after receiving mistake warning
Braking instruction, after motor drives plate 2031 to receive cutting knife brake hard instruction, brake hard motor stops
Motor works, thus avoids causing mechanical failure and cloth damage.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a lockstitch button holder cutter control device, it is characterised in that including: cutter mechanism, motor, volume
Code device, and motor driving plate；
Described motor is connected with described cutter mechanism and described encoder respectively, and described motor is used for driving institute
State cutter mechanism work；
Described motor drives plate to electrically connect with described motor, and described motor drives plate to described motor output electricity
Machine control signal；
Described encoder drives plate to electrically connect with described motor, is used for the angular displacement according to described motor to institute
State motor and drive plate output motor feedback signal；
Described motor drives plate to be additionally operable to, and described motor feedback signals is carried out with described motor control signal
Relatively obtain comparative result, and adjust described motor control signal according to described comparative result.
Device the most according to claim 1, it is characterised in that described motor drive plate specifically for:
If the phase value of described motor feedback signals is more than with the difference of the phase value of described motor control signal
Preset value, then the phase value adjusting described motor control signal makes the phase value of described motor feedback signals
With the difference of the phase value of described motor control signal equal to described preset value.
Device the most according to claim 1, it is characterised in that described motor drive plate specifically for:
If the phase value of described motor control signal is more than with the difference of the phase value of described motor feedback signals
Preset value, then the phase value adjusting described motor control signal makes the phase value of described motor control signal
With the difference of the phase value of described motor feedback signals equal to described preset value.
4. according to the device described in any one of claims 1 to 3, it is characterised in that described cutter mechanism
Including: blade, tool rest, knife bar, crank, connecting rod；
Described blade is fixed on the lower end of described knife bar by described tool rest；
The output shaft of described motor is connected with described crank, and described crank is connected with one end of described connecting rod,
The other end of described connecting rod is connected with described knife bar.
5. according to the device described in any one of claims 1 to 3, it is characterised in that described encoder position
In described motor rear end, the main shaft of described encoder is connected with the output shaft of described motor.
6. according to the device described in any one of claims 1 to 3, it is characterised in that described motor is two
Phase composite stepper motor.
7. according to the device described in any one of claims 1 to 3, it is characterised in that the length of described motor
Degree is less than or equal to 90 millimeters.
8. according to the device described in Claims 2 or 3, it is characterised in that described preset value is 90 degree.
9. a straight buttonholing machine, it is characterised in that including: lockstitch button holder master control borad, and as right is wanted
Seek the lockstitch button holder cutter control device described in 1 to 8 any one；Described lockstitch button holder master control borad and described motor
Driving plate electrically connects；
Described lockstitch button holder master control borad is used for, and drives plate transmission cutting knife operating instruction, cutting knife to stop to described motor
Only instruction or cutting knife brake hard instruction, and drive plate to receive motor condition feedback from described motor；
Described motor drives plate to be used for, and starts motor according to described cutting knife operating instruction, or according to described
Cutting knife halt instruction and described cutting knife brake hard instruction stop motor work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347597.1A CN106319782B (en) | 2015-06-19 | 2015-06-19 | Buttonhole maker cutter controlling means and crew cut buttonhole maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347597.1A CN106319782B (en) | 2015-06-19 | 2015-06-19 | Buttonhole maker cutter controlling means and crew cut buttonhole maker |
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| Publication Number | Publication Date |
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| CN106319782A true CN106319782A (en) | 2017-01-11 |
| CN106319782B CN106319782B (en) | 2020-04-24 |
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| CN201510347597.1A Active CN106319782B (en) | 2015-06-19 | 2015-06-19 | Buttonhole maker cutter controlling means and crew cut buttonhole maker |
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