CN207313874U - The presser foot lifter control device of sewing machine - Google Patents

The presser foot lifter control device of sewing machine Download PDF

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Publication number
CN207313874U
CN207313874U CN201721195785.8U CN201721195785U CN207313874U CN 207313874 U CN207313874 U CN 207313874U CN 201721195785 U CN201721195785 U CN 201721195785U CN 207313874 U CN207313874 U CN 207313874U
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China
Prior art keywords
sewing machine
control
electromagnet
presser
circuit
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CN201721195785.8U
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Chinese (zh)
Inventor
卢孔贵
钟海明
林智宝
楼俏军
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Zhejiang Zoje Sewing Machine Co Ltd
Zhejiang Zoje Sewing Technology Co Ltd
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Zhejiang Zoje Sewing Technology Co Ltd
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Priority to CN201721195785.8U priority Critical patent/CN207313874U/en
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Abstract

The utility model provides a kind of presser foot lifter control device of sewing machine, wherein, sewing machine includes presser feet, the electromagnet for presser foot lifter, and the presser foot lifter control device of sewing machine includes:For the controller of foot pressure and the detector of the working status for detecting sewing machine being applied to according to the working state control electromagnet of sewing machine on presser feet, wherein, the input terminal connection of detector and controller, the output terminal of controller is connected with electromagnet.Using above-mentioned technical proposal, solving the problems, such as in correlation technique that presser feet pushes down the end of a thread causes suture breaks to influence sewing efficiency, and the phenomenon that effectively prevent suture breaks in sewing process occurs, and improves sewing efficiency.

Description

The presser foot lifter control device of sewing machine
Technical field
The communications field is the utility model is related to, in particular to a kind of presser foot lifter control device of sewing machine.
Background technology
Sewing machine is with one or more sewing thread, and one or more stitchings are formed on sewing, make one or more layers seam The machine that material interweaves or unites by a seam.The sewing machine course of work needs to lift the presser feet of sewing machine, can lead on sewing machine at present Cross electromagnet and carry out presser foot lifter.During electromagnet automatic needle-foot-lifting, presser feet easily pushes down the end of a thread, is especially sewing Some stages of journey, such as the seam stage is played, the phenomenon for having caused seam to break thus has seriously affected user experience, and market is thrown Tell serious.
The problem of the end of a thread causes suture breaks to influence sewing efficiency is pushed down for presser feet in correlation technique, there is presently no have Effect ground solution.
Utility model content
The utility model embodiment provides a kind of presser foot lifter control device of sewing machine, at least to solve in correlation technique Presser feet pushes down the problem of the end of a thread causes suture breaks to influence sewing efficiency.
One embodiment according to the present utility model, there is provided a kind of presser foot lifter control device of sewing machine, sewing machine bag Presser feet, the electromagnet for presser foot lifter are included, the presser foot lifter control device of the sewing machine includes:For according to the sewing machine The controller for the foot pressure that electromagnet described in working state control is applied on the presser feet and for detecting the sewing machine The working status detector, wherein, the detector is connected with the input terminal of the controller, the controller it is defeated Outlet is connected with the electromagnet.
Alternatively, the detector includes:Detection circuit and use for the working status for detecting the sewing machine In the detection signal generator that detection signal is sent according to the working status, wherein, the detection circuit is believed with the detection The input terminal connection of number generator, the output terminal of the detection circuit generator are connected with the controller.
Alternatively, the controller includes:For the control module according to the detection signal output control signal received With the control circuit for electromagnet for controlling foot pressure that the electromagnet is applied on the presser feet, wherein, the control The input terminal of module is connected with the output terminal of the detection signal generator, the output terminal of the control module and the electromagnet Control circuit connects.
Alternatively, the control module includes:For judging detection unit and the control of the signal type for detecting signal Signal generator processed, wherein, the input terminal of the detection unit is connected with the output terminal of the detection signal generator, the inspection The output terminal for surveying unit is connected with the input terminal of the control signal generator, the output terminal of the control signal generator and institute State control circuit for electromagnet connection.
Alternatively, the control circuit for electromagnet includes:Power supply module, on-off circuit and solenoid driver circuit, wherein, The output terminal of one end link control module of the on-off circuit, the one of the other end connection electromagnet coil of the on-off circuit End, the input terminal of the solenoid driver circuit connect the output terminal of the control module, the solenoid driver circuit it is defeated Outlet connects the other end of the electromagnet coil, and the power supply module is to the solenoid driver circuit and the switch electricity Road powers.
Alternatively, the presser foot lifter control device of the sewing machine further includes:It is applied to for configuring on the electromagnet The foot pressure configuration module of foot pressure, wherein, the foot pressure configuration module is connected with the controller.
Alternatively, the foot pressure configuration module includes:Configure button and processor, wherein, the configuration button with The input terminal connection of the processor, the input terminal of the processor are connected with the controller.
Alternatively, there is push rod flexible up and down, the upper end end of the push rod is bolted with pushing tow spiral shell on the electromagnet Mother, the upper surface of the pushing tow nut is straight smooth pushing tow face, and the sewing machine further includes rear lever, the rear lever Rear end has the butting section protruded to arc lower, and the butting section of the rear lever is resisted against on the pushing tow face of pushing tow nut.
Alternatively, the rear lever connects presser feet with preceding lever by pull rod, and lever after pull rod one end connection is another Lever before the connection of end, the preceding lever connection presser feet.
Another embodiment according to the present utility model, additionally provides a kind of sewing machine, wherein, the sewing machine includes upper State the presser foot lifter control device of any one of them sewing machine.
By the utility model, sewing machine includes presser feet, the electromagnet for presser foot lifter, the presser foot lifter control dress of sewing machine Put including:For the controller of foot pressure being applied to according to the working state control electromagnet of sewing machine on presser feet and it is used for Detect the detector of the working status of sewing machine, wherein, the connection of the input terminal of detector and controller, the output terminal of controller with Electromagnet connects, it can be seen that, control electromagnet to be applied to pressure when sewing machine is in target operating condition using the above scheme The foot pressure of foot is less than former foot pressure so that presser feet can be pressed in the end of a thread with a less pressure during target operating condition On, can so it the end of a thread is easily extracted, the phenomenon that effectively prevent suture breaks in sewing process occurs, because This, improves sewing efficiency, causes suture breaks to influence sewing efficiency so as to solve presser feet in correlation technique and push down the end of a thread Problem.
Brief description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms the part of the application, The schematic description and description of the utility model is used to explain the utility model, does not form to the improper of the utility model Limit.In the accompanying drawings:
Fig. 1 is the flow chart according to a kind of presser foot lifter control method of sewing machine of the utility model embodiment;
Fig. 2 is the structure diagram one according to a kind of presser foot lifter control device of sewing machine of the utility model embodiment;
Fig. 3 is the structure diagram two according to a kind of presser foot lifter control device of sewing machine of the utility model embodiment;
Fig. 4 is the structure diagram three according to a kind of presser foot lifter control device of sewing machine of the utility model embodiment;
Fig. 5 is the structure diagram one according to the presser foot lifter control device of another sewing machine of the utility model embodiment;
Fig. 6 is the structure diagram two according to the presser foot lifter control device of another sewing machine of the utility model embodiment;
Fig. 7 is the structure diagram three according to the presser foot lifter control device of another sewing machine of the utility model embodiment;
Fig. 8 is the structure diagram four according to the presser foot lifter control device of another sewing machine of the utility model embodiment.
Embodiment
Describe the utility model in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that do not rushing In the case of prominent, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing, " second " etc. is for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
A kind of presser foot lifter control method of sewing machine is provided in the present embodiment, and Fig. 1 is implemented according to the utility model The flow chart of the presser foot lifter control method of a kind of sewing machine of example, as shown in Figure 1, the flow includes the following steps:
Step S102, detects the working status of sewing machine;
Step S104, whether the working status for judging sewing machine is target operating condition;
Step S106, in the case where judging sewing machine in working status for target operating condition, controls sewing machine The foot pressure that electromagnet is applied on presser feet is target foot pressure;
Step S108, is judging sewing machine in the case where working status is not target operating condition, control sewing machine Electromagnet to be applied to foot pressure on presser feet be former foot pressure;
Wherein, target foot pressure is less than former foot pressure.
Alternatively, the presser foot lifter control method of above-mentioned sewing machine can be, but not limited to be applied to control lifting pressre of sewing machine In scene.Such as:In the scene using sewing machine sewing clothing time control machine for sewing presser foot lifter.
Alternatively, in the present embodiment, above-mentioned target operating condition can be, but not limited to the gap-like state for including sewing machine. Such as:Above-mentioned gap-like state can be, but not limited to refer to suture needle after sewing machine starts and be returned to peak from peak arrival minimum point Process.
In an optional embodiment, electromagnet can be controlled to be applied to presser feet when sewing machine has been in the seam stage On foot pressure be less than former foot pressure target foot pressure, sewing machine be in except rise the seam stage in addition to other works Electromagnet can be controlled to apply former foot pressure on presser feet when making state, to reach the effect for having prevented that seam from breaking.
Alternatively, in the present embodiment, former foot pressure can be, but not limited to refer to and be set before sewing machine starts for sewing machine The foot pressure of fixed fixation.
By above-mentioned steps, control electromagnet is applied to the foot pressure of presser feet when sewing machine is in target operating condition Less than former foot pressure so that presser feet can be pressed on the end of a thread with a less pressure during target operating condition, so can be with The end of a thread is set easily to be extracted, the phenomenon that effectively prevent suture breaks in sewing process occurs, and this improves seam Thread efficiency, cause suture breaks to influence sewing efficiency so as to solve the problems, such as in correlation technique that presser feet pushes down the end of a thread.
Alternatively, in above-mentioned steps S102, the working status of sewing machine can be detected by detector, wherein, in work In the case of making state as target operating condition, detector sends first detection signal, is not target operation shape in working status In the case of state, detector sends the second detection signal.
It is alternatively possible to judge whether sewing machine is in by the signal type for the detection signal for judging detector transmission Target operating condition.Such as:In above-mentioned steps S104, the detection signal of detector transmission can be received, and judges detection letter Number signal type, wherein, signal type includes:First detection signal and the second detection signal, wherein, judging detection letter Number be first detection signal in the case of, it is target operating condition to determine working status;Judging to detect signal for the second inspection In the case of surveying signal, it is not target operating condition to determine working status.
It is alternatively possible to according to detection signal output control signal, then by control circuit for electromagnet according to control signal come Control electromagnet is applied to the foot pressure on presser feet.Such as:In the case where detection signal is first detection signal, output the One control signal to control circuit for electromagnet, wherein, control circuit for electromagnet is used to control electromagnet to be applied to the pressure of sewing machine Foot pressure on foot, electromagnet are used to control presser foot lifter, and first control signal is used to indicate control circuit for electromagnet control electricity The foot pressure that magnet is applied on presser feet is target foot pressure.It is defeated in the case where detection signal is the second detection signal Go out second control signal to control circuit for electromagnet, wherein, control circuit for electromagnet is used to control electromagnet to be applied to sewing machine Presser feet on foot pressure, electromagnet is used to control presser foot lifter, and second control signal is used to indicate control circuit for electromagnet control The foot pressure that electromagnet processed is applied on presser feet is former foot pressure.
Alternatively, above-mentioned former foot pressure can be, but not limited to be pre-set, according to this former foot pressure come really Determine the minimum value of foot pressure, and determine that one is less than former foot pressure and more than the target foot pressure of minimum value so that pressure Foot will not break suture, will not can not fix sewing due to too small.Such as:Before above-mentioned steps S102, it can obtain Former foot pressure is taken, the minimum value for the foot pressure that electromagnet is applied on presser feet is determined according to former foot pressure, and according to original Foot pressure and minimum value determine target foot pressure, wherein, target foot pressure is less than former foot pressure and is more than minimum value.
Embodiment 2
A kind of presser foot lifter control device of sewing machine is additionally provided in the present embodiment, which is used for realization above-mentioned implementation Example and preferred embodiment, had carried out repeating no more for explanation.As used below, term " module " can be realized pre- Determine the combination of the software and/or hardware of function.Although following embodiments described devices is preferably realized with software, Hardware, or the realization of the combination of software and hardware is also what may and be contemplated.
Fig. 2 is according to a kind of structure diagram one of the presser foot lifter control device of sewing machine of the utility model embodiment, such as Shown in Fig. 2, which includes:
Detection module 22, for detecting the working status of sewing machine;
Judgment module 24, whether the working status for being used to judge sewing machine coupled to detection module 22 is target operation shape State;
First control module 26, coupled to judgment module 24, for being target work judging sewing machine in working status In the case of making state, it is target foot pressure to control the foot pressure that the electromagnet of sewing machine is applied on presser feet;
Second control module 28, coupled to judgment module 24, for not being target judging sewing machine in working status In the case of working status, it is former foot pressure to control the foot pressure that the electromagnet of sewing machine is applied on presser feet;
Wherein, target foot pressure is less than former foot pressure.
Alternatively, the presser foot lifter control device of above-mentioned sewing machine can be, but not limited to be applied to control lifting pressre of sewing machine In scene.Such as:In the scene using sewing machine sewing clothing time control machine for sewing presser foot lifter.
Alternatively, in the present embodiment, above-mentioned target operating condition can be, but not limited to the gap-like state for including sewing machine. Such as:Above-mentioned gap-like state can be, but not limited to refer to suture needle after sewing machine starts and be returned to peak from peak arrival minimum point Process.
In an optional embodiment, electromagnet can be controlled to be applied to presser feet when sewing machine has been in the seam stage On foot pressure be less than former foot pressure target foot pressure, sewing machine be in except rise the seam stage in addition to other works Electromagnet can be controlled to apply former foot pressure on presser feet when making state, to reach the effect for having prevented that seam from breaking.
Alternatively, in the present embodiment, former foot pressure can be, but not limited to refer to and be set before sewing machine starts for sewing machine The foot pressure of fixed fixation.
By above device, control electromagnet is applied to the foot pressure of presser feet when sewing machine is in target operating condition Less than former foot pressure so that presser feet can be pressed on the end of a thread with a less pressure during target operating condition, so can be with The end of a thread is set easily to be extracted, the phenomenon that effectively prevent suture breaks in sewing process occurs, and this improves seam Thread efficiency, cause suture breaks to influence sewing efficiency so as to solve the problems, such as in correlation technique that presser feet pushes down the end of a thread.
Alternatively, detection module 22 is used for:The working status of sewing machine is detected by detector, wherein, in working status In the case of target operating condition, detector sends first detection signal, is not the feelings of target operating condition in working status Under condition, detector sends the second detection signal.
Fig. 3 is according to a kind of structure diagram two of the presser foot lifter control device of sewing machine of the utility model embodiment, such as Shown in Fig. 3, alternatively, judgment module 24 includes:
Receiving unit 32, for receiving the detection signal of detector transmission;
Judging unit 34, coupled to receiving unit 32, for judging the signal type of detection signal, wherein, signal type Including:First detection signal and the second detection signal;
Wherein, in the case where judging that detecting signal is first detection signal, it is target operation shape to determine working status State;In the case where judging to detect signal for the second detection signal, it is not target operating condition to determine working status.
Alternatively, above-mentioned first control module 26 is used for:In the case where detection signal is first detection signal, output the One control signal to control circuit for electromagnet, wherein, control circuit for electromagnet is used to control electromagnet to be applied to the pressure of sewing machine Foot pressure on foot, electromagnet are used to control presser foot lifter, and first control signal is used to indicate control circuit for electromagnet control electricity The foot pressure that magnet is applied on presser feet is target foot pressure.
Alternatively, above-mentioned second control module 28 is used for:In the case where detection signal is the second detection signal, output the Two control signals to control circuit for electromagnet, wherein, control circuit for electromagnet is used to control electromagnet to be applied to the pressure of sewing machine Foot pressure on foot, electromagnet are used to control presser foot lifter, and second control signal is used to indicate control circuit for electromagnet control electricity The foot pressure that magnet is applied on presser feet is former foot pressure.
Fig. 4 is according to a kind of structure diagram three of the presser foot lifter control device of sewing machine of the utility model embodiment, such as Shown in Fig. 4, alternatively, above device further includes:
Acquisition module 42, for obtaining former foot pressure;
First determining module 44, coupled to acquisition module 42, for determining that electromagnet is applied to pressure according to former foot pressure The minimum value of foot pressure on foot;
Second determining module 46, coupled between the first determining module 44 and detection module 22, for according to former presser feet pressure Power and minimum value determine target foot pressure, wherein, target foot pressure is less than former foot pressure and is more than minimum value.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong In the following manner realization is crossed, but not limited to this:Above-mentioned module is respectively positioned in same processor;Alternatively, above-mentioned module is respectively positioned at more In a processor.
Embodiment 3
The presser foot lifter control device of another sewing machine is additionally provided in the present embodiment, and Fig. 5 is according to the utility model The structure diagram one of the presser foot lifter control device of another sewing machine of embodiment, as shown in figure 5, sewing machine 50 includes presser feet 502nd, the electromagnet 504 for presser foot lifter, wherein, the presser foot lifter control device 52 of sewing machine includes:Controller 522 and for examining The detector 524 of sewing machine working status is surveyed, wherein,
Detector 524 is connected with the input terminal of controller 522, and the output terminal of controller 522 is connected with electromagnet 504;
Controller 522 controls electromagnet 504 to be applied to when detector 524 detects that working status is target operating condition Foot pressure on presser feet 502 is target foot pressure;
Controller 522 controls electromagnet 504 to apply when detector 524 detects that working status is not target operating condition Foot pressure on presser feet 502 is former foot pressure;
Wherein, target foot pressure is less than former foot pressure.
Alternatively, the presser foot lifter control device of above-mentioned sewing machine can be, but not limited to be applied to control lifting pressre of sewing machine In scene.Such as:In the scene using sewing machine sewing clothing time control machine for sewing presser foot lifter.
Alternatively, in the present embodiment, above-mentioned target operating condition can be, but not limited to the gap-like state for including sewing machine. Such as:Above-mentioned gap-like state can be, but not limited to refer to suture needle after sewing machine starts and be returned to peak from peak arrival minimum point Process.
In an optional embodiment, electromagnet can be controlled to be applied to presser feet when sewing machine has been in the seam stage On foot pressure be less than former foot pressure target foot pressure, sewing machine be in except rise the seam stage in addition to other works Electromagnet can be controlled to apply former foot pressure on presser feet when making state, to reach the effect for having prevented that seam from breaking.
Alternatively, in the present embodiment, former foot pressure can be, but not limited to refer to and be set before sewing machine starts for sewing machine The foot pressure of fixed fixation.
By above device, control electromagnet is applied to the foot pressure of presser feet when sewing machine is in target operating condition Less than former foot pressure so that presser feet can be pressed on the end of a thread with a less pressure during target operating condition, so can be with The end of a thread is set easily to be extracted, the phenomenon that effectively prevent suture breaks in sewing process occurs, and this improves seam Thread efficiency, cause suture breaks to influence sewing efficiency so as to solve the problems, such as in correlation technique that presser feet pushes down the end of a thread.
Fig. 6 be according to the structure diagram two of the presser foot lifter control device of another sewing machine of the utility model embodiment, As shown in fig. 6, alternatively, detector 524 includes:Detection circuit 62 and detection signal generator 64, wherein,
Detection circuit 62 is connected with detecting the input terminal of signal generator 64, the output terminal of detection circuit generator 64 and control Device 522 processed connects;
Detection circuit 62 detects the working status of sewing machine, and judges whether the working status of sewing machine is target operation shape State;
In the case where detection circuit 62 judges that working status is target operating condition, detection signal generator 64 is sent First detection signal;
In the case where detection circuit 62 judges that working status is not target operating condition, detection signal generator 64 is sent out Send the second detection signal.
Fig. 7 be according to the structure diagram three of the presser foot lifter control device of another sewing machine of the utility model embodiment, As shown in fig. 7, alternatively, controller 522 includes:Control module 72 and the presser feet pressure for controlling electromagnet to be applied on presser feet The control circuit for electromagnet 74 of power, wherein,
The input terminal of control module 72 with detect signal generator 64 output terminal be connected, the output terminal of control module 72 and Control circuit for electromagnet 74 connects;
The control letter of output first when receiving the first detection signal that detection signal generator 64 is sent of control module 72 Number to control circuit for electromagnet 74, the foot pressure that control circuit for electromagnet 74 controls electromagnet 504 to be applied on presser feet 502 is Target foot pressure;
The control letter of output second when receiving the second detection signal that detection signal generator 64 is sent of control module 72 Number to control circuit for electromagnet 74, the foot pressure that control circuit for electromagnet 74 controls electromagnet 504 to be applied on presser feet 502 is Former foot pressure.
Alternatively, control module includes:Detection unit and control signal hair for the signal type for judging detection signal Raw device, wherein, the input terminal of detection unit is connected with detecting the output terminal of signal generator, the output terminal of detection unit and control The input terminal connection of signal generator, the output terminal of control signal generator are connected with control circuit for electromagnet.
Alternatively, control circuit for electromagnet includes:Power supply module, on-off circuit and solenoid driver circuit, wherein, switch The output terminal of one end link control module of circuit, one end of the other end connection electromagnet coil of on-off circuit, electromagnet drive The output terminal of the input terminal link control module of dynamic circuit, the output terminal of solenoid driver circuit connect the another of electromagnet coil End, power supply module are powered to solenoid driver circuit and on-off circuit.
Fig. 8 be according to the structure diagram four of the presser foot lifter control device of another sewing machine of the utility model embodiment, As shown in figure 8, alternatively, the presser foot lifter control device of above-mentioned sewing machine further includes:Foot pressure configuration module 82, wherein,
Foot pressure configuration module 82 is connected with controller 522;
Foot pressure configuration module 82 obtains former foot pressure, determines that electromagnet is applied on presser feet according to former foot pressure Foot pressure minimum value, and target foot pressure is determined according to former foot pressure and minimum value, wherein, target foot pressure Less than former foot pressure and it is more than minimum value.
Alternatively, foot pressure configuration module 82 includes:Button and processor are configured, wherein, configure button and processor Input terminal connection, the input terminal of processor is connected with controller.
Alternatively, there is push rod flexible up and down, the upper end end of push rod is bolted with pushing tow nut, pushing tow spiral shell on electromagnet Female upper surface is straight smooth pushing tow face, and sewing machine further includes rear lever, and the rear end of rear lever, which has to arc lower, protrudes Butting section, the butting section of rear lever is resisted against on the pushing tow face of pushing tow nut.
Alternatively, rear lever connects presser feet, lever after the connection of pull rod one end, before other end connection with preceding lever by pull rod Lever, preceding lever connect presser feet.
A kind of sewing machine is additionally provided in the present embodiment, which includes the presser foot lifter of the sewing machine of any of the above-described Control device.
Above example only to illustrate the technical solution of the utility model rather than be limited, this area it is common Technical staff can be to the technical solution of the utility model technical scheme is modified or replaced equivalently, without departing from the essence of the utility model God and scope, the scope of protection of the utility model should be subject to described in claim.
Embodiment 4
The embodiment of the utility model additionally provides a kind of storage medium, which includes the program of storage, wherein, The method described in any of the above-described is performed when above procedure is run.
Alternatively, in the present embodiment, above-mentioned storage medium can be configured to the journey that storage is used to perform following steps Sequence code:
S1, detects the working status of sewing machine;
S2, whether the working status for judging sewing machine is target operating condition;
S3, in the case where judging sewing machine in working status for target operating condition, controls the electromagnet of sewing machine The foot pressure being applied on presser feet is target foot pressure;
S4, in the case where judging sewing machine in working status not for target operating condition, controls the electromagnetism of sewing machine The foot pressure that iron is applied on presser feet is former foot pressure;
Wherein, target foot pressure is less than former foot pressure.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to:USB flash disk, read-only storage (Read- Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard Disk, magnetic disc or CD etc. are various can be with the medium of store program codes.
The embodiment of the utility model additionally provides a kind of processor, which is used for operation program, wherein, the program The step in any of the above-described method is performed during operation.
Alternatively, in the present embodiment, above procedure is used to perform following steps:
S1, detects the working status of sewing machine;
S2, whether the working status for judging sewing machine is target operating condition;
S3, in the case where judging sewing machine in working status for target operating condition, controls the electromagnet of sewing machine The foot pressure being applied on presser feet is target foot pressure;
S4, in the case where judging sewing machine in working status not for target operating condition, controls the electromagnetism of sewing machine The foot pressure that iron is applied on presser feet is former foot pressure;
Wherein, target foot pressure is less than former foot pressure.
Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of above-mentioned the utility model or each step can be used General computing device realizes that they can be concentrated on single computing device, or be distributed in multiple computing device institutes On the network of composition, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to by they Storage is performed by computing device in the storage device, and in some cases, can be with different from order execution herein They, are either fabricated to each integrated circuit modules or by multiple moulds in them by shown or described step respectively Block or step are fabricated to single integrated circuit module to realize.In this way, the utility model be not restricted to any specific hardware and Software combines.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all within the principle of the utility model, institute Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of presser foot lifter control device of sewing machine, sewing machine includes presser feet, the electromagnet for presser foot lifter, its feature exists In the presser foot lifter control device of the sewing machine includes:For electromagnet described in the working state control according to the sewing machine The detector of the controller for the foot pressure being applied on the presser feet and the working status for detecting the sewing machine, Wherein, the detector is connected with the input terminal of the controller, and the output terminal of the controller is connected with the electromagnet.
2. the presser foot lifter control device of sewing machine according to claim 1, it is characterised in that the detector includes:With In the detection circuit for the working status for detecting the sewing machine and for sending detection signal according to the working status Signal generator is detected, wherein, the detection circuit is connected with the input terminal of the detection signal generator, the detection circuit The output terminal of generator is connected with the controller.
3. the presser foot lifter control device of sewing machine according to claim 2, it is characterised in that the controller includes:With In the control module according to the detection signal output control signal received and for controlling the electromagnet to be applied to the pressure The control circuit for electromagnet of foot pressure on foot, wherein, the input terminal of the control module and the detection signal generator Output terminal connection, the output terminal of the control module is connected with the control circuit for electromagnet.
4. the presser foot lifter control device of sewing machine according to claim 3, it is characterised in that the control module includes: Detection unit and control signal generator for the signal type for judging the detection signal, wherein, the detection unit Input terminal is connected with the output terminal of the detection signal generator, and the output terminal of the detection unit occurs with the control signal The input terminal connection of device, the output terminal of the control signal generator are connected with the control circuit for electromagnet.
5. the presser foot lifter control device of sewing machine according to claim 3, it is characterised in that the control circuit for electromagnet Including:Power supply module, on-off circuit and solenoid driver circuit, wherein, one end link control module of the on-off circuit Output terminal, one end of the other end connection electromagnet coil of the on-off circuit, the input terminal of the solenoid driver circuit connect The output terminal of the control module is connect, the output terminal of the solenoid driver circuit connects the other end of the electromagnet coil, The power supply module is powered to the solenoid driver circuit and the on-off circuit.
6. the presser foot lifter control device of sewing machine according to claim 1, it is characterised in that the presser foot lifter of the sewing machine Control device further includes:For configuring the foot pressure configuration module for the foot pressure being applied on the electromagnet, wherein, institute Foot pressure configuration module is stated to be connected with the controller.
7. the presser foot lifter control device of sewing machine according to claim 6, it is characterised in that the foot pressure configures mould Block includes:Button and processor are configured, wherein, the configuration button is connected with the input terminal of the processor, the processor Input terminal be connected with the controller.
8. the presser foot lifter control device of sewing machine according to any one of claim 1 to 7, it is characterised in that the electricity There is push rod flexible up and down, the upper end end of the push rod is bolted with pushing tow nut, the upper end of the pushing tow nut on magnet Face is straight smooth pushing tow face, and the sewing machine further includes rear lever, and the rear end of the rear lever, which has to arc lower, protrudes Butting section, it is described after the butting section of lever be resisted against on the pushing tow face of pushing tow nut.
9. the presser foot lifter control device of sewing machine according to claim 8, it is characterised in that lever passes through pull rod after described Presser feet, lever after pull rod one end connection, lever before other end connection, the preceding lever connection presser feet are connected with preceding lever.
10. a kind of sewing machine, it is characterised in that the sewing machine includes the sewing any one of the claim 1-9 The presser foot lifter control device of machine.
CN201721195785.8U 2017-09-18 2017-09-18 The presser foot lifter control device of sewing machine Active CN207313874U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109023737A (en) * 2018-10-17 2018-12-18 浙江众邦机电科技有限公司 A kind of the presser foot lifter control system and method for flush joint thickness material machine
CN109652928A (en) * 2019-02-21 2019-04-19 杰克缝纫机股份有限公司 A kind of knee of sewing machine leans on device
CN110485067A (en) * 2019-09-06 2019-11-22 杰克缝纫机股份有限公司 A kind of control method of lifting pressre of sewing machine power-assisted lifting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109023737A (en) * 2018-10-17 2018-12-18 浙江众邦机电科技有限公司 A kind of the presser foot lifter control system and method for flush joint thickness material machine
CN109652928A (en) * 2019-02-21 2019-04-19 杰克缝纫机股份有限公司 A kind of knee of sewing machine leans on device
CN110485067A (en) * 2019-09-06 2019-11-22 杰克缝纫机股份有限公司 A kind of control method of lifting pressre of sewing machine power-assisted lifting

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