CN110791885A - Sewing machine electric control parameter adjusting method, device, equipment and readable storage medium - Google Patents
Sewing machine electric control parameter adjusting method, device, equipment and readable storage medium Download PDFInfo
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- CN110791885A CN110791885A CN201911189898.0A CN201911189898A CN110791885A CN 110791885 A CN110791885 A CN 110791885A CN 201911189898 A CN201911189898 A CN 201911189898A CN 110791885 A CN110791885 A CN 110791885A
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- sewing machine
- trimming
- control parameter
- thread
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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
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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
- 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
Abstract
The invention relates to a sewing machine electric control parameter adjusting method, a sewing machine electric control parameter adjusting device, sewing machine electric control parameter adjusting equipment and a readable storage medium. The method comprises the steps of detecting the motion amplitude of a transmission part of the sewing machine in a working state, wherein the transmission part and a needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with a needle pitch value; determining a needle pitch value of the sewing machine according to the motion amplitude; and adjusting the electric control parameters of the sewing machine according to the needle pitch value. According to the invention, the problem that the length of the thread end is lengthened or the cloth is cut due to the fact that the electric control parameters of the sewing machine in the related art cannot be adjusted according to the change of the needle pitch is solved, the cloth cutting phenomenon is avoided, the operation difficulty is simplified, and the user experience is improved.
Description
Technical Field
The invention relates to the field of sewing machines, in particular to a sewing machine electric control parameter adjusting method, a sewing machine electric control parameter adjusting device, sewing machine electric control parameter adjusting equipment and a readable storage medium.
Background
With the development of mechanical manufacturing and industrial sewing machines, the requirements on the quality of sewing machines are higher and higher, and the control of the sewing machines is more and more intelligent. When the existing clothing factory sews cloth, the stitch length needs to be adjusted to meet the clothing process requirements.
According to the existing electric control thread trimming and air suction related parameter setting principle, after cloth passes through an inductor, a certain needle number is delayed, and corresponding actions are executed, however, after the needle pitch is adjusted, a sewing machine in the related art still performs thread trimming according to the electric control parameters before the needle pitch is adjusted, and the problem that the length of a thread end is lengthened or the cloth is cut after thread trimming is caused.
Disclosure of Invention
Therefore, it is necessary to provide a sewing machine electrical control parameter adjusting method, device, equipment and readable storage medium for solving the problem that the length of the thread end becomes long or the cloth is cut after the thread is cut due to the fact that the electrical control parameter of the sewing machine in the related art cannot be adjusted according to the change of the stitch length.
According to an aspect of an embodiment of the present invention, there is provided a sewing machine electrical control parameter adjusting method, the method including:
detecting the motion amplitude of a transmission part of the sewing machine in a working state, wherein the transmission part and a needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with a needle pitch value;
determining a needle pitch value of the sewing machine according to the motion amplitude;
and adjusting the electric control parameters of the sewing machine according to the needle pitch value.
In one embodiment, detecting the motion amplitude of the transmission part of the sewing machine in the working state comprises:
detecting the motion amplitude of the transmission component in a working state in real time through an induction device;
and generating an electrical signal according to the motion amplitude, wherein the electrical signal is in a proportional relation with the motion amplitude.
In one embodiment, determining a stitch gauge value of the sewing machine based on the magnitude of motion comprises:
and inquiring a needle pitch value corresponding to the electric signal from a first preset relation table according to the electric signal, wherein the first preset relation table stores a mapping relation between the electric signal and the needle pitch value.
In one embodiment, the electronically controlled parameter is used to instruct the sewing machine to perform a thread trimming operation after applying the gauge value to sew a preset distance.
In one embodiment, the electrical control parameter satisfies a condition of one of:
P1×T1q; or
P1×t1×N1＝Q；
Wherein the electrical control parameters include at least one of: the number of needles in the thread cutting parameters, the thread cutting time in the thread cutting parameters and the rotating speed of the sewing machine; p1Representing said gauge value, T1Indicating the number of needles, t, in the adjusted trimming parameter1Indicating the adjusted trimming time, N1The rotation speed of the sewing machine after adjustment is shown, and Q represents the actual sewing length before thread trimming.
In one embodiment, Q ═ L-a or Q ═ P0×T0Or Q ═ P0×t0×N0；
Wherein L represents an initial value of the sewing length before cutting the thread, A represents a correction value of the sewing length before cutting the thread by the user, P0Indicating the value of the pitch, T, before adjustment0Indicates the number of stitches in the trimming parameters before adjustment, t0Indicating the trimming time before adjustment, N0Indicating the rotational speed of the sewing machine before adjustment.
In one embodiment, Q is the case of front trim<L1Wherein L is1The distance between the front trimming sensor and the trimming cutter;
l under the condition that the rear trimming sensor is positioned in front of or flush with the trimming cutter2<Q<L1Wherein L is2The distance between the rear trimming sensor and the trimming cutter.
In one embodiment, adjusting an electrically controlled parameter of the sewing machine based on the gauge value further comprises:
judging whether the trimming compensation function is started or not;
and under the condition of judging that the thread trimming compensation function is started, adjusting the thread trimming time of the sewing machine.
In one embodiment, adjusting the thread trimming time of the sewing machine in case that it is judged that the thread trimming compensation function is turned on includes:
adjusting the thread trimming time of the sewing machine to satisfy:
T＝L/(P×N)-TC；
wherein the electrical control parameters comprise time in the thread cutting parameters, P represents the needle pitch value, L is the distance from the thread cutting sensor to the thread cutting cutter, and TCThe delay response time of the thread trimming sensor is represented, N represents the current speed of the sewing material passing through the thread trimming sensor, and T represents the thread trimming time.
According to another aspect of the embodiments of the present invention, there is also provided an electric parameter adjusting apparatus for a sewing machine, the apparatus including:
the detection module is used for detecting the motion amplitude of a transmission part of the sewing machine in a working state, wherein the transmission part and a needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with a needle pitch value;
the determining module is used for determining a needle pitch value of the sewing machine according to the motion amplitude;
and the adjusting module is used for adjusting the electric control parameters of the sewing machine according to the needle pitch value.
According to still another aspect of the embodiments of the present invention, there is also provided an electronic control parameter adjusting apparatus of a sewing machine, including: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the sewing machine electrical control parameter adjustment method described above.
According to still another aspect of an embodiment of the present invention, there is also provided a computer-readable storage medium having stored thereon a computer program, which when executed by a processor, implements the above-described sewing machine electrical control parameter adjusting method.
Compared with the prior art, the sewing machine electric control parameter adjusting method, the device, the equipment and the readable storage medium provided by the embodiment of the invention detect the motion amplitude of the transmission part of the sewing machine in a working state, wherein the transmission part and the needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with the needle pitch value; determining a needle pitch value of the sewing machine according to the motion amplitude; according to the needle pitch value, the method for adjusting the electric control parameters of the sewing machine solves the problem that the length of the thread end is lengthened or the cloth is cut after thread cutting caused by the fact that the electric control parameters of the sewing machine cannot be adjusted according to the needle pitch change in the related technology, avoids the cloth cutting phenomenon, simplifies the operation difficulty and improves the user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flow chart of a sewing machine electrical control parameter adjustment method according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the construction of a feed shaft of a sewing machine according to an embodiment of the present invention;
FIG. 3 is a logic flow diagram illustrating control logic for electronically controlled parameter adjustment of a sewing machine in accordance with an embodiment of the present invention;
FIG. 4 is a block diagram of an electric parameter adjusting device of a sewing machine according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a hardware structure of an electric control parameter adjusting device of a sewing machine according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one embodiment, a sewing machine electrical control parameter adjusting method is provided. Fig. 1 is a flowchart of an electric control parameter adjusting method of a sewing machine according to an embodiment of the present invention, as shown in fig. 1, the flowchart includes:
step S102, detecting the motion amplitude of a transmission part of the sewing machine in a working state, wherein the transmission part and a needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with a needle pitch value.
And step S104, determining the needle pitch value of the sewing machine according to the motion amplitude.
And step S106, adjusting the electric control parameters of the sewing machine according to the needle pitch value.
Through the steps, the motion amplitude of the transmission part of the sewing machine in the working state is detected, wherein the transmission part and a needle of the sewing machine have the same motion period, the motion amplitude of the transmission part is in a proportional relation with the needle pitch value, the needle pitch value of the sewing machine is determined according to the motion amplitude, and then the electric control parameter of the sewing machine is adjusted according to the needle pitch value.
In this step, the transmission member may be a transmission member having the same movement period as that of the needle of the sewing machine, such as a feed shaft, feed dog, feed assembly, or tooth, and having a proportional relationship between the movement amplitude and the pitch value.
In one embodiment, detecting the motion amplitude of the transmission part of the sewing machine in the working state comprises:
detecting the motion amplitude of the transmission component in a working state in real time through an induction device;
and generating an electrical signal according to the motion amplitude, wherein the electrical signal is in a proportional relation with the motion amplitude.
In the embodiment, the electric signal is generated by sensing the displacement of the magnet disposed on the transmission component by the sensor disposed near the transmission component, wherein the sensor can be a hall sensor, a photoelectric encoder, etc., but not limited to the above two, and the following description is made with reference to the drawings and the embodiment when the transmission component is a cloth feeding shaft.
Fig. 2 is a schematic structural diagram of a cloth feeding shaft of a sewing machine according to an embodiment of the present invention, as shown in fig. 2, a magnetic ring 3 is installed on the cloth feeding shaft of the sewing machine, and a needle space detecting end 2 is installed on a housing, wherein a hall sensor is installed inside the needle space detecting end 2, so as to detect the position of the magnetic ring 3 on the cloth feeding shaft in real time, and obtain the swing angle of the cloth feeding shaft according to the position of the magnetic ring 3, thereby converting the swing angle of the cloth feeding shaft into an electrical signal. The embodiment provides a method for detecting the swing angle of the transmission component in the working state.
In one embodiment, determining the stitch length value of the sewing machine based on the magnitude of the motion comprises:
and inquiring a needle pitch value corresponding to the electric signal from a first preset relation table according to the electric signal, wherein the first preset relation table stores a mapping relation between the electric signal and the needle pitch value.
In this embodiment, the first preset relationship table is a mapping relationship between an electrical signal set by a user and a needle pitch value, and after the electrical control obtains the electrical signal, a corresponding needle pitch value can be obtained according to the first preset relationship table set by the user, where the needle pitch value can also be determined by a proportional relationship between the electrical signal set by the user and the needle pitch value.
In order to ensure that the needle pitch value before the electric control adjustment is consistent with the needle pitch value in the working state, the following implementation mode is provided.
In one embodiment, the electronically controlled parameter is used to instruct the sewing machine to perform a thread trimming operation after applying the stitch length value to sew a preset distance.
In this embodiment, the sewing machine is instructed to adjust to perform the thread trimming operation after the preset distance is sewn by using the stitch length value according to the electric control parameter. Some examples are described below.
In one embodiment, the electrical control parameter satisfies a condition of one of:
P1×T1q; or P1×t1×N1＝Q；
Wherein the electrical control parameters include at least one of: the number of needles in the thread cutting parameters, the thread cutting time in the thread cutting parameters and the rotating speed of the sewing machine; p1Representing the pitch value, T1Indicating the number of needles, t, in the adjusted trimming parameter1Indicating the adjusted trimming time, N1The rotation speed of the sewing machine after adjustment is shown, and Q represents the actual sewing length before thread trimming.
In the present embodiment, the pitch value P is determined by an electrical signal1Then, in order to ensure that the actual sewing length before thread cutting is kept as Q, the length can be P1×T1Q; or P1×t1×N1Adjusting T-Q1Or t1、N1。
In one embodiment, Q ═ L-a or Q ═ P0×T0Or Q ═ P0×t0×N0；
Wherein L represents an initial value of the sewing length before cutting the thread, A represents a correction value of the sewing length before cutting the thread by the user, P0Indicating the value of the pitch, T, before adjustment0Indicates the number of stitches in the trimming parameters before adjustment, t0Indicating the trimming time before adjustment, N0Indicating the rotational speed of the sewing machine before adjustment.
In one embodiment, Q is the case of front trim<L1Wherein L is1The distance between the front trimming sensor and the trimming cutter; under the condition that the rear trimming sensor is positioned in front of or flush with the trimming cutter, and L is2<Q<L1Wherein L is2For rear trimming inductionDistance from the device to the thread cutting knife.
In the present embodiment, among others, the front trimming sensor, the cutter, and the rear trimming sensor are arranged from rear to front in the direction in which the sewing machine feeds the cloth forward. By the method, the cloth is prevented from being cut by the thread cutting knife, and the thread cutting effect of the short thread end is realized.
The following description is provided to facilitate understanding of the influence of the stitch length on the functions of trimming and the like. Taking the former thread cutting as an example, the distance between the inductor and the thread cutting knife is set to be L, the electric control parameter is set to be T, the cloth is shown to reach the inductor and execute the lower cutting action after the number of T needles, the current needle pitch is P, namely T multiplied by P is less than L, otherwise, the cloth is cut, if the thread end is short, the T multiplied by P value is adjusted to be L as far as possible, and the effect of short thread end is realized.
The method for adjusting the electrical control parameters based on the above embodiments is explained below with reference to the accompanying drawings and preferred embodiments.
In another embodiment, a flow chart of control logic for electronically controlled parameter adjustment of a sewing machine is provided, as shown in fig. 3, the control logic comprising the following:
under the condition of front trimming, the stitch length detection end combines with the electric control to judge that the current stitch length value is P1At the moment, the electric control automatically sets the front trimming line parameter as T1Preferably T1×P1The value is slightly smaller than the distance between the sensor and the cutter (the setting such as the reaction time of the sensor is comprehensively considered), and the T is kept1×P1>LfIn, LfThe distance between the sensing device for detecting the motion amplitude of the transmission component in the working state and the thread cutting cutter is detected, and when the needle pitch detection end detects that the needle pitch value changes, the current needle pitch value is P2Then automatically setting the front trimming parameter value as T2And requires that the parameter relationships be maintained as: t is1×P1＝T2×P2。
In the case of back trimming, and the back trimming sensor is located forward of or flush with the cutter position, assuming that the gauge is P at this time1The rear trimming parameter value is set to T1Then, L is requireda>T1×P1>Lb，LaIndicates the distance from the front trimming sensor to the cutter, LbThe distance from the rear trimming sensor to the cutter is shown, and the problem of cutting cloth by the cutter is solved by the mode.
The adjustment of the electrical control parameters according to the invention can also be carried out by the following preferred embodiments. In a preferred embodiment, the situation that the actual use condition of the user (i.e. the end length is not satisfied after the trimming by the client and needs to be adjusted) is inconsistent with the factory setting, i.e. P, needs to be considered in the electric control program control3×T3＝P4×T4In the process, after the user detects the needle pitch, the user finds T3The practical application effect of the parameters is not good, and Q is adjusted4＝P4×T4After the parameter value is large, in the next stitch length detection process, automatically using Q4＝P4×T4＝P5×T5Adjusting parameters, i.e. when Q is T.times.P<In the relationship of L, T × P is the difference between L and T × P, and the difference is denoted by a. In the case of subsequent needle pitch adjustments, this difference adjustment is maintained, i.e., L-Q ═ a. If an external user artificially adjusts the trimming parameters in the actual use process, the trimming parameters A are considered to be optimized by the user, and the difference value after optimization is represented by A, namely after the subsequent stitch length detection end detects the stitch length change, the subsequent stitch length detection end performs identification calculation by taking L-Q as A.
In the above embodiment, P3Indicating the value of the pitch, T, before adjustment3Indicating the number of needles in the trimming parameter, P, before adjustment4Indicating the value of the automatically-adjusted needle pitch, T, of the sewing machine during sewing4Indicating the number of needles, P, automatically adjusted during sewing by the sewing machine5Indicating the user-adjusted gauge value, T5Indicating the number of needles adjusted by the user.
Also, based on the above method, it can be controlled by a proportional algorithm, such as L value and T1×P1The ratio of (2) is controlled. The following description is not repeated.
In another embodiment, fig. 3 is a flow chart of a control logic for adjusting an electric control parameter of a sewing machine according to an embodiment of the present invention, and as shown in fig. 3, the control logic further includes the following steps:
judging whether the trimming compensation function is started or not;
and under the condition of judging that the thread trimming compensation function is started, adjusting the thread trimming time of the sewing machine.
The trimming compensation function is explained below in a preferred embodiment.
In one embodiment, the thread cutting time of the sewing machine is adjusted to satisfy:
T＝L/(P*N)-TC；
wherein the electric control parameters comprise time in the thread cutting parameters, P represents a needle pitch value, L is a distance from the thread cutting sensor to the thread cutting cutter, and TCThe delay response time of the thread trimming sensor is shown, N represents the current speed of the sewing material passing through the thread trimming sensor, and T represents the thread trimming time.
In this embodiment, when the sewing machine starts sewing, it is determined whether the trimming compensation function is turned on, and if so, the time in the trimming parameter is adjusted by detecting the size of the stitch length value and according to the detected stitch length value. If not, the thread cutting action is executed after delaying the fixed number of the stitches. Through the mode, another implementation mode is provided for adjusting the electric control parameters in the embodiment of the invention.
The embodiment also provides an electronic control parameter adjusting device of the sewing machine. Fig. 4 is a block diagram of an electrically controlled parameter adjusting apparatus of a sewing machine according to an embodiment of the present invention, as shown in fig. 4, the apparatus includes:
the detection module 410 is used for detecting the motion amplitude of a transmission part of the sewing machine in a working state, wherein the transmission part and a needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with a needle pitch value;
a determining module 420, coupled to the detecting module 410, for determining a needle pitch value of the sewing machine according to the motion amplitude;
an adjusting module 430, coupled to the determining module 420, is used for adjusting an electrical control parameter of the sewing machine according to the needle pitch value.
Compared with the prior art, the electric control parameter adjusting device of the sewing machine provided by the embodiment of the invention adopts the detection module 410 for detecting the motion amplitude of the transmission part of the sewing machine in a working state, wherein the transmission part and the needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with the needle pitch value; a determining module 420, coupled to the detecting module 410, for determining a needle pitch value of the sewing machine according to the motion amplitude; the adjusting module 430 is coupled to the determining module 420 and used for adjusting the method of the electric control parameter of the sewing machine according to the needle pitch value, so that the problem that in the related art, rotation adjustment is performed according to scales on a hand wheel, the adjustment is completed by workers through experience and cannot meet the requirement of high precision of industrial production is solved, the operation difficulty is simplified, and the user experience is improved.
In one embodiment, the detection module 410 is further configured to detect the motion amplitude of the transmission component in the working state in real time through the sensing device; and generating an electrical signal according to the motion amplitude, wherein the electrical signal is in a proportional relation with the motion amplitude.
In one embodiment, the determining module 420 is further configured to query, according to the electrical signal, a needle pitch value corresponding to the electrical signal from a first preset relationship table, where a mapping relationship between the electrical signal and the needle pitch value is stored in the first preset relationship table.
In one embodiment, the electronically controlled parameter is used to instruct the sewing machine to perform a thread trimming operation after applying the stitch length value to sew a preset distance.
In one embodiment, the adjustment module 430 is further configured to adjust an electrical control parameter of the sewing machine to satisfy one of the following conditions:
P1×T1q; or
P1×t1×N1＝Q；
Wherein the electrical control parameters include at least one of: the number of needles in the thread cutting parameters, the thread cutting time in the thread cutting parameters and the rotating speed of the sewing machine; p1Representing the pitch value, T1Indicating the number of needles, t, in the adjusted trimming parameter1Indicating the adjusted trimming time, N1The rotation speed of the sewing machine after adjustment is shown, and Q represents the actual sewing length before thread trimming.
At one endIn one embodiment, Q ═ L-a or Q ═ P0×T0Or Q ═ P0×t0×N0；
Wherein L represents an initial value of the sewing length before cutting the thread, A represents a correction value of the sewing length before cutting the thread by the user, P0Indicating the value of the pitch, T, before adjustment0Indicates the number of stitches in the trimming parameters before adjustment, t0Indicating the trimming time before adjustment, N0Indicating the rotational speed of the sewing machine before adjustment.
In one embodiment, the adjustment module 430 is also used for Q during pre-trimming<L1Wherein L is1The distance between the front trimming sensor and the trimming cutter; l under the condition that the rear trimming sensor is positioned in front of or flush with the trimming cutter2<Q<L1Wherein L is2The distance between the rear trimming sensor and the trimming cutter.
In one embodiment, the adjusting module 430 is further configured to determine whether the trimming compensation function is turned on;
and under the condition of judging that the thread trimming compensation function is started, adjusting the thread trimming time of the electric control parameters of the sewing machine.
In one embodiment, the adjusting module 430 is further configured to adjust a thread trimming time of the sewing machine to satisfy:
T＝L/(P*N)-TC；
wherein the electric control parameters comprise time in the thread cutting parameters, P represents a needle pitch value, L is a distance from the thread cutting sensor to the thread cutting cutter, and TCIndicating the delayed response time of the sensor, N indicating the current speed of the material past the sensor, and T indicating the thread cutting time.
In addition, the method for adjusting the electric control parameters of the sewing machine according to the embodiment of the invention described in conjunction with fig. 1 can be realized by an electric control parameter adjusting device of the sewing machine. Fig. 5 is a schematic diagram showing a hardware structure of an electrically controlled parameter adjusting apparatus of a sewing machine according to an embodiment of the present invention.
The electronically controlled parameter adjustment device of the sewing machine may include a processor 51 and a memory 52 having stored computer program instructions.
Specifically, the processor 51 may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured as one or more Integrated circuits implementing the embodiments of the present invention.
Memory 52 may include mass storage for data or instructions. By way of example, and not limitation, memory 52 may include a Hard Disk Drive (HDD), a floppy Disk Drive, flash memory, an optical Disk, a magneto-optical Disk, tape, or a Universal Serial Bus (USB) Drive or a combination of two or more of these. Memory 52 may include removable or non-removable (or fixed) media, where appropriate. The memory 52 may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory 52 is a non-volatile solid-state memory. In particular embodiments, memory 52 includes Read Only Memory (ROM). Where appropriate, the ROM may be mask-programmed ROM, Programmable ROM (PROM), Erasable PROM (EPROM), Electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory or a combination of two or more of these.
The processor 51 reads and executes the computer program instructions stored in the memory 52 to realize the method for adjusting the electric control parameters of the sewing machine in any of the above embodiments.
In one example, an electronically controlled parameter adjustment device for a sewing machine may further include a communication interface 53 and a bus 50. As shown in fig. 5, the processor 51, the memory 52, and the communication interface 53 are connected via the bus 50 to complete mutual communication.
The communication interface 53 is mainly used for implementing communication between modules, apparatuses, units and/or devices in the embodiments of the present invention.
The bus 50 includes hardware, software, or both to couple the components of the electronically controlled parameter adjustment device of the sewing machine to one another. By way of example, and not limitation, a bus may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), a Hypertransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an infiniband interconnect, a Low Pin Count (LPC) bus, a memory bus, a Micro Channel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a video electronics standards association local (VLB) bus, or other suitable bus or a combination of two or more of these. Bus 50 may include one or more buses, where appropriate. Although specific buses have been described and shown in the embodiments of the invention, any suitable buses or interconnects are contemplated by the invention.
The electronic control parameter adjusting device of the sewing machine can execute the electronic control parameter adjusting method of the sewing machine in the embodiment of the invention based on the acquired motion amplitude of the transmission part of the sewing machine in the working state, thereby realizing the electronic control parameter adjusting method of the sewing machine described in combination with the figure 1.
In addition, in combination with the method for adjusting the electric control parameter of the sewing machine in the above embodiment, the embodiment of the present invention can be implemented by providing a computer-readable storage medium. The computer readable storage medium having stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement any of the above embodiments of the method for adjusting electronically controlled parameters of a sewing machine.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. An electric control parameter adjusting method for a sewing machine, the method comprising:
detecting the motion amplitude of a transmission part of the sewing machine in a working state, wherein the transmission part and a needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with a needle pitch value;
determining a needle pitch value of the sewing machine according to the motion amplitude;
and adjusting the electric control parameters of the sewing machine according to the needle pitch value.
2. The sewing machine electrical control parameter adjustment method according to claim 1, wherein detecting the movement amplitude of the transmission member of the sewing machine in the operating state comprises:
detecting the motion amplitude of the transmission component in a working state in real time through an induction device;
and generating an electrical signal according to the motion amplitude, wherein the electrical signal is in a proportional relation with the motion amplitude.
3. The sewing machine electrical control parameter adjustment method according to claim 2, wherein determining a stitch gauge value of the sewing machine based on the motion amplitude comprises:
and inquiring a needle pitch value corresponding to the electric signal from a first preset relation table according to the electric signal, wherein the first preset relation table stores a mapping relation between the electric signal and the needle pitch value.
4. The sewing machine electrical control parameter adjustment method according to claim 1, wherein the electrical control parameter is used for instructing the sewing machine to perform a thread trimming operation after sewing a preset distance using the needle pitch value.
5. The sewing machine electrical control parameter adjustment method according to claim 4, wherein the electrical control parameter satisfies a condition of one of:
P1×T1q; or
P1×t1×N1＝Q；
Wherein the electrical control parameters include at least one of: the number of needles in the thread cutting parameters, the thread cutting time in the thread cutting parameters and the rotating speed of the sewing machine; p1Representing said gauge value, T1Indicating the number of needles, t, in the adjusted trimming parameter1Indicating the adjusted trimming time, N1The rotation speed of the sewing machine after adjustment is shown, and Q represents the actual sewing length before thread trimming.
6. The sewing machine electrical control parameter adjustment method according to claim 5,
q ═ L-A or Q ═ P0×T0Or Q ═ P0×t0×N0；
Wherein L represents an initial value of the sewing length before cutting the thread, A represents a correction value of the sewing length before cutting the thread by the user, P0Indicating the value of the pitch, T, before adjustment0Indicates the number of stitches in the trimming parameters before adjustment, t0Indicating the trimming time before adjustment, N0Indicating the rotational speed of the sewing machine before adjustment.
7. The sewing machine electrical control parameter adjustment method according to claim 5,
in the case of front trimming, Q<L1Wherein L is1The distance between the front trimming sensor and the trimming cutter;
l under the condition that the rear trimming sensor is positioned in front of or flush with the trimming cutter2<Q<L1Wherein L is2The distance between the rear trimming sensor and the trimming cutter.
8. The sewing machine electrical control parameter adjustment method according to claim 1, wherein adjusting the electrical control parameter of the sewing machine according to the needle pitch value further comprises:
judging whether the trimming compensation function is started or not;
and under the condition of judging that the thread trimming compensation function is started, adjusting the thread trimming time of the sewing machine.
9. The sewing machine electrical control parameter adjusting method according to claim 8, wherein adjusting the thread trimming time of the sewing machine in a case where it is judged that the thread trimming compensation function is turned on includes:
adjusting the thread trimming time of the sewing machine to satisfy:
T＝L/(P×N)-TC；
wherein the electrical control parameters comprise time in the thread cutting parameters, P represents the needle pitch value, L is the distance from the thread cutting sensor to the thread cutting cutter, and TCThe delay response time of the thread trimming sensor is represented, N represents the current speed of the sewing material passing through the thread trimming sensor, and T represents the thread trimming time.
10. An electrically controlled parameter adjustment device for a sewing machine, the device comprising:
the detection module is used for detecting the motion amplitude of a transmission part of the sewing machine in a working state, wherein the transmission part and a needle of the sewing machine have the same motion period, and the motion amplitude of the transmission part is in a proportional relation with a needle pitch value;
the determining module is used for determining a needle pitch value of the sewing machine according to the motion amplitude;
and the adjusting module is used for adjusting the electric control parameters of the sewing machine according to the needle pitch value.
11. An electric parameter adjusting apparatus for a sewing machine, characterized by comprising: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement a sewing machine electrical control parameter adjustment method according to any one of claims 1 to 9.
12. A computer-readable storage medium having stored thereon computer program instructions, which when executed by a processor implement a sewing machine electrical control parameter adjustment method according to any one of claims 1 to 9.
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Application publication date: 20200214 |