CN109468754A - Noise-reduction method, computer equipment and a kind of sewing machine of sewing machine - Google Patents
Noise-reduction method, computer equipment and a kind of sewing machine of sewing machine Download PDFInfo
- Publication number
- CN109468754A CN109468754A CN201811575624.0A CN201811575624A CN109468754A CN 109468754 A CN109468754 A CN 109468754A CN 201811575624 A CN201811575624 A CN 201811575624A CN 109468754 A CN109468754 A CN 109468754A
- Authority
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- China
- Prior art keywords
- cloth
- signal
- presser feet
- feed dog
- noise
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
Abstract
The present invention relates to a kind of noise-reduction method of sewing machine, computer equipment and a kind of sewing machine.The method includes obtaining position signal corresponding with cloth advanced positions, the height of feed dog is accordingly adjusted according to the position signal.Using this method, when getting cloth for the signal for reaching presser feet, position when feed dog reaches work can be adjusted, and when getting cloth and will be far from the signal of presser feet, feed dog can be adjusted and reach initial position, which makes feed dog avoid presser feet, reduces the fricting movement between feed dog and presser feet, to reduce accessaries of sewing machine abrasion and unnecessary noise, prolong the service life and increase usage comfort.
Description
Technical field
The present invention relates to garment sewing fields, more particularly to a kind of noise-reduction method of sewing machine, computer equipment and one
Kind sewing machine.
Background technique
Existing sewing machine is when sewing fabric, after fabric is detached from the motion range of presser feet and feeding tooth, sewing machine
It will continue to sewing for a period of time, in this period, presser feet and feeding tooth can be contacted directly and generate fricting movement, so as to cause machine
Device noise becomes larger, and generates fricting movement for a long time and be easy to cause to wear to presser feet and feed dog, so that influencing complete machine normally makes
With.Existing sewing machine not can avoid this problem.
Summary of the invention
Based on this, it is necessary to have noise problem when for sewing machine hollow joint, provide it is a kind of can sewing machine hollow joint when
Noise-decreasing is waited, while reducing noise-reduction method, computer equipment and one kind of the sewing machine of friction between feed dog and presser feet
Sewing machine.
A kind of noise-reduction method of sewing machine, which comprises
Obtain position signal corresponding with cloth advanced positions；
The height of feed dog is accordingly adjusted according to the position signal.
The position signal includes: in one of the embodiments,
The first signal that cloth will trigger when reaching presser feet；
Cloth will be far from the second signal triggered when presser feet.
The height for accordingly adjusting feeding tooth according to the position signal includes: in one of the embodiments,
When receiving the first signal, sends and adjust or feed dog to the operating position matched with the presser feet is kept to refer to
It enables；
When receiving second signal, sends and adjust feed dog to the initial position instruction far from the presser feet；
The triggering mode of the first signal and the second signal in one of the embodiments, are as follows:
Two test points are configured in order along cloth direction of travel,
When cloth leading edge reaches monitored upstream point, first signal is triggered；
When cloth rear is far from monitored down point, the second signal is triggered.
The upstream detection point is located at close to presser feet cloth feeding side in one of the embodiments,.
The detected downstream point is located at close to presser feet cloth outputting side in one of the embodiments,.
The detected downstream point is located at the sewing machine knit stitch in one of the embodiments,.
In one of the embodiments, when receiving second signal, after delaying several needles, retransmit adjust feed dog to
The instruction of initial position.
Distance based on the monitored down point and presser feet cloth outputting side in one of the embodiments, Yi Jizhen
Away from obtaining delaying needle number.
A kind of computer equipment, including memory and processor, the memory are stored with computer program, the processing
Device performs the steps of when executing the computer program
Obtain position signal corresponding with cloth advanced positions；
The height of feeding tooth is accordingly adjusted according to the position signal.
A kind of sewing machine, including control module, regulating mechanism and driving mechanism, which is characterized in that be additionally provided with and sent described
During cloth tooth work feed material, the inductive component of cloth advanced positions is detected；
The inductive component obtains position signal corresponding with cloth advanced positions and feeds back to the control module, institute
It states control module to execute instruction to the driving mechanism accordingly according to position signal transmission, drives the regulating mechanism,
Adjust the height of the feed dog.
The inductive component includes being successively set on sewing machine table along work feed path in one of the embodiments,
At least two inductors.
Noise-reduction method, computer equipment and a kind of sewing machine of above-mentioned sewing machine first obtain corresponding to cloth advanced positions
Position signal, then adjust the height of feed dog accordingly according to position signal.When the signal that gets cloth and will reach presser feet
When, position when feed dog reaches work can be adjusted, and when getting cloth and will be far from the signal of presser feet, feed dog can be adjusted
Initial position is reached, which makes feed dog avoid presser feet, the fricting movement between feed dog and presser feet is reduced, to subtract
The abrasion of few accessaries of sewing machine and unnecessary noise, prolong the service life and increase usage comfort.
Detailed description of the invention
Fig. 1 is the flow diagram of the noise-reduction method of sewing machine in one embodiment；
Fig. 2 is the internal structure chart of computer equipment in one embodiment；
Fig. 3 be in one embodiment in sewing machine with noise-reduction method relevant portion schematic diagram；
It is eccentric shaft portion schematic diagram in Fig. 3 that Fig. 4, which is in one embodiment,；
Fig. 5 is sewing machine table partial schematic diagram in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Referring to Fig. 1, Fig. 1 is the flow diagram of the noise-reduction method of sewing machine of the invention.
In the present embodiment, the noise-reduction method includes:
Step 100, position signal corresponding with cloth discharge position is obtained.
Generally, the sewing that cloth carries out on needle platform, the lower section for sending step tooth that needle plate is arranged in, offering on needle plate can allow
The top protrusion of feed dog crosses tooth hole with needle plate surface, and corresponding position is provided with presser feet above feed dog, in presser feet
The middle position of length direction is provided with suture needle.The leading edge of material to be sew cloth enters from presser feet one end, when starting sewing, feed dog
It constantly moves reciprocatingly and cooperates with the presser feet of top, make constantly to advance forward along sewing path in intermediate cloth, pass through setting
Suture needle among presser feet after being sewn, moves forward, until the rear of cloth leaves the presser feet other end.
In step 100, the position signal of the acquisition includes:
One length of cloth is during being sewed, the first signal for triggering when cloth will reach presser feet.By receiving first
Signal can consider that cloth will start to be sewed, and the leading edge of cloth will enter from one end of presser feet.
One length of cloth is when sewing is near completion, second signal that cloth will trigger when leaving presser feet.By receiving second
Signal can consider that cloth will sew completion, and the rear of cloth will leave from the other end of presser feet.
In step 200, it when receiving the first signal, sends and adjusts or keep feed dog to the work matched with presser feet
Make position command.
When cloth will trigger the first signal when reaching presser feet, explanation will be sewed.At this moment, send by feed dog send to
The instruction of operating position.The operating position is to make the presser feet being arranged above feed dog and feed dog that can carry out mutually matched position
It sets, moves cloth to the direction at the suture needle knit stitch that presser feet middle position is arranged in, and will constantly be in upstream
The cloth of test point position is sent to knit stitch, sews cloth.
In step 200, it when receiving second signal, sends the initial position for adjusting feed dog to separate presser feet and refers to
It enables.
Second signal is triggered when cloth will leave presser feet, illustrates that cloth sewing is near completion.At this moment, feed dog is sent to send
To the instruction of initial position.The initialization position is that the top of feed dog avoids the presser feet being disposed over, and is adjusted to needle
It prevents from below platform also carrying out contacting friction in the feed dog and presser feet mutually moved and issues unnecessary noise.
In step 100, the triggering mode of the first signal and the second signal are as follows:
Direction, which is carried out, along cloth configures in order two test points, when cloth leading edge reaches monitored upstream point, triggering first
Signal triggers the second signal when cloth rear is far from detected downstream point.
When monitored upstream point, when no cloth is covered on the test point, it is believed that the signal received is " 0 ", when having
When cloth is covered on the test point, it is believed that received signal is " 1 ".When receiving signal is that " 0 " arrives the overturning of " 1 ",
Trigger the first signal.When triggering the first signal, illustrate on test point that never cloth covering becomes having cloth covering, can determine whether for
There is cloth to have been placed on needle platform, and the leading edge of cloth has been placed on the monitored upstream point, preparation starts to sew.Pass through step again
200, the instruction for the operating position that feed dog is adjusted or kept is sent, is sewed.
When downstream test point, when the signal received is that " 1 " arrives the overturning of " 0 ", second signal is triggered.When triggering second is believed
Number, illustrate to can determine whether to have sewed completion for cloth from there is cloth covering to become no cloth covering on the test point, cloth
Rear has moved away from the detected downstream point.Since the test point is placed in the downstream of upstream detection point, illustrate that cloth leaves already
Test point is swum, that is, illustrates that this one end cloth has sewed completion.Again by step 200, sends and feed dog is adjusted to initial position
Instruction, avoid noise.
In step 100, upstream detection point is located at close to the side of presser feet cloth feeding, and detected downstream point is located at close to presser feet
The side of cloth outputting.When upstream detection point detects the first signal, illustrate that cloth leading edge will be close to the side of presser feet cloth feeding.Again
Step 200 is carried out, the instruction that feed dog is adjusted to initial position is sent, is ready for sewing.It is detected when in detected downstream point
When second signal, illustrate that cloth rear will leave the side of presser feet cloth outputting, sewing has been completed.Step 200 is carried out again, and sending will
Feed dog is adjusted to the instruction of initial position.
In step 100, when downstream test point is close at sewing machine suture needle knit stitch, when downstream, test point is received
When second signal, illustrate that cloth is near completion sewing, but some cloth rests between presser feet and feed dog,
Feed dog continues to keep resting on operating position and working in coordination with presser feet when needing, and cloth is made to leave presser feet completely.So at this moment
Step 200 will not be carried out at once.And it is to continue with the movement of suture needle, several needles are delayed, then carry out step 200, sent feed dog tune
It saves to the instruction of initial position.
In step 100, the equation for delaying specific needle number is calculated are as follows:
N=L/D；
In above-mentioned equation, L is the distance of detected downstream point and presser feet cloth outputting side, and D is the needle gage of sewing machine, and N is to need
That acquires specifically delays needle number.When receiving second signal, it is also necessary to continue to sew the movement of N needle, cloth is just final
After leaving presser feet, then step 200 is carried out, sends the instruction that feed dog is adjusted to initial position.
In the present embodiment, the test point in step 100 can also be one, positioned at the side of presser feet progress.
When receiving the first signal, illustrates that cloth leading edge has arrived at the side of presser feet cloth feeding, cover test point, it is quasi-
It is standby to enter presser feet, step 200 is at this moment carried out, the instruction for the operating position that feed dog is adjusted or kept is sent, is sewed.
When receiving second signal, illustrate that the rear of cloth far from the side of presser feet cloth feeding, has been moved off test point.This
When, some cloth rests between presser feet and feed dog, and sewing has not been completed in a portion cloth, passes through calculating
After specific delay needle number, after cloth completes sewing and whole clothes all leave presser feet, then step 200 is carried out, transmission will be sent
Cloth tooth is adjusted to the instruction of initial position.
In the noise-reduction method of above-mentioned sewing machine, position signal corresponding with cloth advanced positions is first obtained, then according to position
Signal adjusts the height of feed dog accordingly.When getting cloth for the signal for reaching presser feet, feed dog can be adjusted and reach work
Position when making, and when getting cloth and will be far from the signal of presser feet, feed dog can be adjusted and reach initial position, the initial bit
Setting makes feed dog avoid presser feet, reduces the fricting movement between feed dog and presser feet, thus reduce accessaries of sewing machine abrasion and
Unnecessary noise prolongs the service life and increases usage comfort.
It should be understood that although each step in Fig. 1 flow chart is successively shown according to the instruction of arrow, these
Step is not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps are held
There is no stringent sequences to limit for row, these steps can execute in other order.Moreover, at least part in Fig. 1 walks
It suddenly may include that perhaps these sub-steps of multiple stages or stage have been executed in synchronization to multiple sub-steps
At, but can execute at different times, the execution sequence in these sub-steps or stage, which is also not necessarily, successively to be carried out, and
It is that can be executed in turn or alternately at least part of the sub-step or stage of other steps or other steps.
A kind of computer equipment is provided in one of the embodiments, is specifically applied in sewing machine.The computer is set
Standby to can be terminal, internal structure chart can be as shown in Figure 2.The computer equipment includes the processing connected by system bus
Device, memory, network interface, display screen and input unit.Wherein, the processor of the computer equipment is calculated and is controlled for providing
Ability processed.The memory of the computer equipment includes non-volatile memory medium, built-in storage.The non-volatile memory medium is deposited
Contain operating system and computer program.The built-in storage is operating system and computer program in non-volatile memory medium
Operation provide environment.The network interface of the computer equipment is used to communicate with external terminal by network connection.The calculating
A kind of noise-reduction method of sewing machine is realized when machine program is executed by processor.The display screen of the computer equipment can be liquid crystal
Display screen or electric ink display screen, the input unit of the computer equipment can be the touch layer covered on display screen,
It can be the key being arranged on computer equipment shell, trace ball or Trackpad, can also be external keyboard, Trackpad or mouse
Mark etc..
It will be understood by those skilled in the art that structure shown in Figure 2, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, a kind of computer equipment, including memory and processor, the memory storage are provided
There is computer program, which performs the steps of when executing computer program
Obtain position signal corresponding with cloth advanced positions；
The height of feed dog is accordingly adjusted according to the position signal.
In one embodiment, as shown in Figure 3-4, a kind of sewing machine 1 is provided (to illustrate only in figure and hollow joint noise reduction phase
The part of pass), including control device, driving mechanism 2 and regulating mechanism 3, it is additionally provided with during 41 work feed material of feed dog, examines
Survey the inductive component 5 that cloth carries out position.Inductive component 4 obtains position signal corresponding with cloth advanced positions and feeds back to
Control device 1, control device 1 send according to position signal and are executed instruction accordingly to driving mechanism 2, drive regulating mechanism 3, adjust
Save the height of feed dog 41.
In the present embodiment, control device is a kind of above-mentioned computer equipment.
In the present embodiment, control device is mounted on sewing machine, and driving mechanism 2 is motor, 3 one end of regulating mechanism
It is connected with driving mechanism 2, the other end is connected with feed dog frame 4.The free end of feed dog frame 4 is equipped with feed dog 41.It is logical
The height that feed dog frame 4 is adjusted in mechanism 3 is overregulated, to realize the adjusting to 41 height of feed dog.
Control device 1 sends instructions to driving mechanism 2, and control driving mechanism 2 drives regulating mechanism 3, according to the row of cloth
Carry sets the inclination angle for adjusting accordingly feed dog frame 4, to change the inclination angle of feed dog 41 on feed dog frame 4, feed dog 41 is whole
Body tilts the height that can change itself, and feed dog 41 is changed by oneself height to meet need when cloth advances to different location
It asks.
Specifically, regulating mechanism 3 includes eccentric shaft 31 and adjusting slider 32, eccentric shaft 31 is connected to driving mechanism 2, adjusts
Sliding block 32 is set on eccentric shaft 31 and is embedded at two on feed dog frame 4 parallel adjutages 42, and eccentric shaft 31 exists
32 actuation of adjusting slider is able to drive under the driving of driving mechanism 2, so that the angle of feed dog frame 4 is adjusted, to change work feed
The height of feed dog 41 on retainer 4.
As shown in figure 4, eccentric shaft 31 includes concentric segments 311 and the eccentric segment 312 for being connected to concentric segments 311, eccentric shaft
31 concentric segments 311 are fixed on the casing of sewing machine, and eccentric shaft 31 can be around the center axis thereof of concentric segments 311；It is eccentric
The center of section 312 and the center decentraction of concentric segments 311, the two deviate a preset distance, and eccentric segment 312 can be in concentric segments
Moving under 311 drive.
Adjusting slider 32 is in bulk, the inner hollow and eccentric segment 312 for being arranged eccentric shaft 31, adjusting slider 32 are embedded
Between two parallel adjutages 42, the eccentric segment 312 of adjusting slider 32 and eccentric shaft 31 is rotatablely connected, eccentric shaft 31 it is inclined
The moving of heart section 312 will drive the parallel moving of adjusting slider 32.
Since adjusting slider 32 is embedded between two parallel adjutages 42, adjusting slider 32 can be in 42 institute of adjutage
It is slided on the track of formation, is slided in the sliding groove 43 that adjusting slider 32 is formed between adjutage 42, eccentric shaft can be discharged
Movement brought by 31 in a second direction, so that the parallel moving of adjusting slider 32 only will drive adjutage 42 in first party
Rise perhaps decline upwards so that the feed dog 41 on feed dog frame 4 be made to rise or decline.
As shown in figure 4, inductive component 5 is arranged on the table top of workbench 6 of sewing machine, feed dog 41 is arranged in workbench
5 lower section, offer on workbench 6 allow the top for setting feed dog 41 to flush with 6 table top of workbench cross tooth hole 61, cross tooth hole 61
Top is provided with corresponding presser feet 7.
When sewing machine is started to work, will be put into sewing cloth leading edge from the progress side of presser feet 7, in driving mechanism 2
Under driving, so that feed dog 41 is done up and down motion in cycles, and cooperate with upper presser feet 7, make in feed dog 41 and presser feet 7
Intermediate cloth constantly travels forward, and send to the knit stitch being arranged among 7 length direction of presser feet, is sewed.
As shown in figure 5, inductive component 5 is proximity inductor, it can be two, the one of 7 cloth feeding of presser feet is respectively set
The inductor 5B of the inductor 5A of side and the side that 7 cloth outputting of presser feet is set.When to sewing cloth leading edge from 7 cloth feeding side of presser feet
When into presser feet 7, cloth can cover inductor 5A, inductor 5A will feedback signal to control device 1,1 foundation of control device
Position signal transmission is executed instruction to driving mechanism 2, drive regulating mechanism 3, adjusts feed dog 41 to being cooperated with presser feet 7
Operating position.When sewing cloth rear will leave 7 cloth outputting side of presser feet, illustrate that cloth will sew completion, cloth can be from
Open inductor 5B, inductor B will feedback signal to control device 1, control device 1 according to position signal transmission execute instruction to
Driving mechanism 2 drives regulating mechanism 3, adjusts the initial position of feed dog 41 to evacuation presser feet 7.
As shown in figure 4, the inductor 5B for being positioned close to presser feet cloth outputting side may also be arranged on sewing in inductive component 5
The position of inductor 5C at machine knit stitch.In this case, when cloth rear will leave at knit stitch, although cloth is at this time
It is completed through sewing, but some cloth needs to remove from 7 cloth outlet of presser feet, and presser feet 7 and feed dog 41 is needed mutually to match
Under conjunction, make to stay in after remaining cloth rear leaves completely in presser feet 7, then by feed dog 41 to the initial position of evacuation presser feet 7.
So when inductor 5C will feedback signal to control device 1, control device 1 retransmits after postponing several needles according to position signal
It executes instruction to driving mechanism 2, drives regulating mechanism 3, adjust the initial position of feed dog 41 to evacuation presser feet 7.
In the present embodiment, it according to the distance between at knit stitch and 7 cloth outputting side of presser feet and needle gage, calculates specific
The needle number of delay.
In other embodiments, an inductor can be only arranged in inductive component 5, be the position of inductor A in Fig. 5.When
When inductor 5A is covered by cloth leading edge, feed dog 41 is adjusted to operating position.When cloth rear leaves inductor 5A, foundation
The distance between inductor 5A and presser feet 7 and needle gage calculate delay needle number.Make master control set receive cloth rear from
After the information for opening inductor 5A, postpone several needles, retransmit instruction, adjusts the initial position of feed dog 41 to evacuation presser feet 7.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (12)
1. a kind of noise-reduction method of sewing machine, which is characterized in that
Obtain position signal corresponding with cloth advanced positions；
The height of feed dog is accordingly adjusted according to the position signal.
2. noise-reduction method according to claim 1, which is characterized in that the position signal includes:
The first signal that cloth will trigger when reaching presser feet；
Cloth will be far from the second signal triggered when presser feet.
3. noise-reduction method according to claim 1 or 2, which is characterized in that described accordingly to be adjusted according to the position signal
The height of feeding tooth includes:
When receiving the first signal, sends and adjust or keep feed dog to the operating position matched with the presser feet to instruct；
When receiving second signal, sends and adjust feed dog to the initial position instruction far from the presser feet.
4. noise-reduction method according to claim 2, which is characterized in that the triggering mode of the first signal and the second signal
Are as follows:
Two test points are configured in order along cloth direction of travel,
When cloth leading edge reaches monitored upstream point, first signal is triggered；
When cloth rear is far from monitored down point, the second signal is triggered.
5. noise-reduction method according to claim 4, which is characterized in that the upstream detection point is located at close to presser feet cloth feeding one
Side.
6. noise-reduction method according to claim 4, which is characterized in that the detected downstream point is located at close to presser feet cloth outputting one
Side.
7. noise-reduction method according to claim 4, which is characterized in that the detected downstream point is located at close to the sewing machine
At knit stitch.
8. noise-reduction method according to claim 7, which is characterized in that when receiving second signal, after delaying several needles,
It retransmits and adjusts the instruction of feed dog to initial position.
9. noise-reduction method according to claim 8, which is characterized in that be based on the detected downstream point and the presser feet cloth outputting
The distance and needle gage of side obtain delaying needle number.
10. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 7 the method when executing the computer program.
11. a kind of sewing machine, including control device, regulating mechanism and driving mechanism, which is characterized in that be additionally provided in the work feed
During tooth work feed material, the inductive component of cloth advanced positions is detected；
The inductive component obtains position signal corresponding with cloth advanced positions and feeds back to the control device, the control
Molding block is executed instruction to the driving mechanism accordingly according to position signal transmission, drives the regulating mechanism, is adjusted
The height of the feed dog.
12. sewing machine according to claim 11, which is characterized in that the inductive component includes successively setting along work feed path
Set at least two inductors on sewing machine table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575624.0A CN109468754A (en) | 2018-12-22 | 2018-12-22 | Noise-reduction method, computer equipment and a kind of sewing machine of sewing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575624.0A CN109468754A (en) | 2018-12-22 | 2018-12-22 | Noise-reduction method, computer equipment and a kind of sewing machine of sewing machine |
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| CN109468754A true CN109468754A (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811575624.0A Pending CN109468754A (en) | 2018-12-22 | 2018-12-22 | Noise-reduction method, computer equipment and a kind of sewing machine of sewing machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0424064A (en) * | 1990-05-18 | 1992-01-28 | Brother Ind Ltd | Sewing machine |
| JPH04156882A (en) * | 1990-10-18 | 1992-05-29 | Brother Ind Ltd | Fabric feed device for sewing machine |
| CN204058891U (en) * | 2014-09-30 | 2014-12-31 | 浙江万维机械有限公司 | A kind of feed dog of Sewing machines rises and falls adjustable apparatus |
| CN104762769A (en) * | 2015-04-08 | 2015-07-08 | 浙江美机缝纫机有限公司 | Full-automatic sewing mechanism of flat sewing machine and sewing method thereof |
| CN106988027A (en) * | 2017-05-25 | 2017-07-28 | 杰克缝纫机股份有限公司 | Sewing border automatic sewing system and bind |
| CN106988030A (en) * | 2017-06-01 | 2017-07-28 | 杰克缝纫机股份有限公司 | A kind of feed mechanism controlled by foot lifting mechanism moves down structure and sewing machine |
| CN107916509A (en) * | 2017-11-24 | 2018-04-17 | 杰克缝纫机股份有限公司 | Eedle position detection, stop the setting of pin position, needle stop controlling means, system, terminal and device |
-
2018
- 2018-12-22 CN CN201811575624.0A patent/CN109468754A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0424064A (en) * | 1990-05-18 | 1992-01-28 | Brother Ind Ltd | Sewing machine |
| JPH04156882A (en) * | 1990-10-18 | 1992-05-29 | Brother Ind Ltd | Fabric feed device for sewing machine |
| CN204058891U (en) * | 2014-09-30 | 2014-12-31 | 浙江万维机械有限公司 | A kind of feed dog of Sewing machines rises and falls adjustable apparatus |
| CN104762769A (en) * | 2015-04-08 | 2015-07-08 | 浙江美机缝纫机有限公司 | Full-automatic sewing mechanism of flat sewing machine and sewing method thereof |
| CN106988027A (en) * | 2017-05-25 | 2017-07-28 | 杰克缝纫机股份有限公司 | Sewing border automatic sewing system and bind |
| CN106988030A (en) * | 2017-06-01 | 2017-07-28 | 杰克缝纫机股份有限公司 | A kind of feed mechanism controlled by foot lifting mechanism moves down structure and sewing machine |
| CN107916509A (en) * | 2017-11-24 | 2018-04-17 | 杰克缝纫机股份有限公司 | Eedle position detection, stop the setting of pin position, needle stop controlling means, system, terminal and device |
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