CN103510292B - Sewing machine with automatic electromagnetic cutting device - Google Patents
Sewing machine with automatic electromagnetic cutting device Download PDFInfo
- Publication number
- CN103510292B CN103510292B CN201210224104.1A CN201210224104A CN103510292B CN 103510292 B CN103510292 B CN 103510292B CN 201210224104 A CN201210224104 A CN 201210224104A CN 103510292 B CN103510292 B CN 103510292B
- Authority
- CN
- China
- Prior art keywords
- cloth
- sewing
- electromagnetic
- propulsion device
- cutting means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
Provided is a sewing machine with an automatic electromagnetic cutting device. The sewing machine with the automatic electromagnetic cutting device comprises a main actuator portion and an electromagnetic pushing device, wherein the main actuator portion is provided with an upper thread cutting knife and a lower thread cutting knife, the electromagnetic pushing device is provided with an electromagnetic portion, a driving rod and a connecting portion, the driving rod is repelled by the electromagnetic portion to carry out a thread cutting stroke, the connecting portion is connected with the upper thread cutting knife and is in linkage with the driving rod, and the electromagnetic pushing device is in linkage with the upper thread cutting knife to cut off a thread end. The electromagnetic pushing device is driven by electric power, and except the sewing machine, a gas compression device which occupies the space and causes additional cost does not need to be additionally arranged. Due to the fact that the electromagnetic pushing device comprises a plurality of telescopic shaft rods which are connected with the connecting portion, the degree of stress of the connecting portion is balanced, stability of the connecting portion is improved, and the phenomenon that the thread end cannot be cut due to the fact that the upper thread cutting knife and the lower thread cutting knife are staggered is avoided.
Description
Technical field
The present invention relates to a kind of Sewing machines, particularly relate to a kind of Sewing machines with electromagnetism automatic cutting means.
Background technology
Two cloth the use in sewing machine of stitching are in two pieces of cloth side edge being sewed up, therefore this pair of cloth the Sewing machines stitched (hereinafter referred to as " Sewing machines ") has a sewing tool group sews up two blocks of clothes, this sewing tool group contains the interlinked mechanism of cloth conveying teeth, cloth conveying teeth platform, multiple knitting needle and cotton thread and other necessity, because this sewing tool group is existing structure, therefore its detailed configuration and action do not repeat them here.
After this sewing tool group starts to sew up two blocks of clothes, the gauze that two pieces of cloth edges are made into by multiple knitting needle and engaging, but the cloth rear and front end after split all can leave long the end of a thread, to need by operator with tool scissors except the end of a thread in the past.But along with making rapid progress of sewing machine technique progress, have the Sewing machines utilizing mechanically cutting the end of a thread now on the market, modal framework drives the end in direction to set up the pneumatic cylinder of a tool air pressure operating bar at this cloth, the interlock slide block that one cannot adjust locking is established below this air pressure operating bar, and below this interlock slide block, be installed with the holder of affixed a upper tangential knife, and made this air pressure operating bar promote holder by gas intake and exhaust, make tangential knife on this can perform the work cutting off sewing the end of a thread.But; this existing described pneumatic cylinder; its air pressure operating bar there is no design tightening structure because of it; therefore pneumatic cylinder is after long-time use; this interlock slide block has gap and makes holder rock when often can produce slip because of wearing and tearing or long-term unbalance stress; to misplace and cannot cutting car suture head can make to be fixed on the upper tangential knife of this holder and lower tangential knife, now must upgrade pneumatic cylinder is just continued operation, does not meet practical operation demand and working efficiency so real.
In order to solve the problem, applicant previously disclosed No. 201009155 just like TaiWan, China patent then, there is provided a kind of and the automatic cutting means of seam sewing machine, described Sewing machines is provided with automatic cutting means cloth conveying teeth platform in main work between motivation portion and sewing platform machine portion.Automatic cutting means includes an electric eye, a photo-emission part detected when cloth shading for electric eye, and the pneumatic cylinder pushing structure driving or stop can be manipulated by mat control circuit when electric eye detects cloth turnover, the electric eye that wherein photo-emission part is positioned on maintenance cover plate can detect place.And pneumatic cylinder pushing structure is installed with an air pressure operating bar, an external holder below air pressure operating bar, parallelly with air pressure operating bar has been installed with two movable clamp holders, is provided with interlock slide block in movable clamp holder content, interlock slide block is also affixed with this holder, and holder is fixed with tangential knife.So, provide electric eye to detect the most suitable reflection position of cloth, and the movable clamp holder of mat and promote service life of pneumatic cylinder pushing structure.
But, though the automatic cutting structure energy automatic cutting tangent line head of above-mentioned Sewing machines, and effectively promote the service life of pneumatic cylinder pushing structure, but still genus utilizes air pressure to promote tangential knife on this, if user need use this type of Sewing machines first must provide an Ignitable gas devices for oneself, to provide a drive of high-pressure gas this pneumatic cylinder, and this Ignitable gas devices is generally a compressor.But also the user of not all Sewing machines all has unnecessary space to arrange a compressor, and buying more of compressor too increases cost with maintaining, if therefore can provide one have non-used pneumatic cylinder drive automatic cutting means, for not possessing the user buying more Ignitable gas devices ability, not less than being a large Gospel.
Summary of the invention
Main purpose of the present invention, is that solving existing pneumatic cylinder pushing structure must be equipped with an Ignitable gas devices, and have take up space, the problem of high cost.
For reaching above-mentioned purpose, the invention provides a kind of Sewing machines with electromagnetism automatic cutting means, in order to split sewing two blocks of clothes, include one and mainly do motivation portion, be located at this main sewing platform done below motivation portion, and an Electromagnetic Control structure, this main motivation portion that does includes the rag knife group that cuts this two cloth when sewing starts, the sewing machine group of one this two cloth of sewing split, and one respectively at sewing start with at the end of cut the tangential knife group of the end of a thread, this tangential knife group to include on one tangential knife and once tangential knife.This sewing platform includes the work feed district of this two cloth of a propelling movement to this rag knife group, and one is located at the tangent line district of this rear end, work feed district for this lower tangential knife setting.This Electromagnetic Control structure includes a sensing element, and one and this sensing element be electrically connected and the electromagnetic propulsion device controlled by this sensing element, this sensing element has one and exports one of this electromagnetic propulsion device to when this two cloth enters this work feed district and enter cloth signal, this electromagnetic propulsion device includes a reception, and this enters cloth signal and produces the electromagnetism portion of one first magnetic, one has second magnetic relative with this first magnetic and carries out the drive rod of all lineal travels by this first magnetic repulsion, and one to be connected with tangential knife on this and to be arranged in this drive rod and by the connecting portion of this drive rod interlock.
Further, this sensing element includes to be located at this and mainly to make the perception part that motivation portion normality launches an induced signal, and one is located at the work feed district of this sewing platform and to reflect this induced signal be the reflecting part of a reflected signal to this perception part, this two cloth enters this work feed district and interdicts this reflected signal and make this perception part export this and enter cloth signal.
Further, this perception part has one when this two cloth and leaves this reflecting part completely, and this perception part again obtains this reflected signal and exports one of this electromagnetic propulsion device to and go out cloth signal.
Further, this perception part is an Infrared emitting and receiving device.
Further, this main motivation portion that does includes an assembly tab, this assembly tab includes the first assembled portion of this perception part of an installing, the second assembled portion of this electromagnetic propulsion device of installing, and one is located at turning point between this first assembled portion and this second assembled portion.
Further, this connecting portion includes the holder of this drive rod of connection, and one is installed in the tangent line tool rest this holder connecting tangential knife on this.
Further, this electromagnetic propulsion device includes one and is installed with for this electromagnetism portion and is fixedly arranged on this main housing doing motivation portion, and the flexible axostylus axostyle of this housing of multiple connection and this connecting portion.
Further, this electromagnetic propulsion device also includes and is located in this electromagnetism portion and the flexible member be connected with this drive rod.
Beneficial effect of the present invention is:
1. the present invention utilizes an electromagnetic propulsion device to drive tangential knife upper and lower displacement on this, and then cuts off unnecessary sewing the end of a thread.This electromagnetic propulsion device comes from driven by power, does not need extra setting to take up space and the extra Ignitable gas devices increasing cost again.
2. this electromagnetic propulsion device of the present invention is except this drive rod, separately arrange multiple flexible axostylus axostyle to be connected with this holder, thus, just can the stressed degree of average this holder, add the stability of this holder, and upper tangential knife and lower tangential knife can be overcome to misplace and cannot the shortcoming of cutting car suture head.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of Sewing machines of the present invention;
Fig. 2 is the decomposed schematic diagram of Sewing machines of the present invention;
Fig. 3 is the running schematic diagram () of Sewing machines of the present invention;
Fig. 4 is the running schematic diagram (two) of Sewing machines of the present invention;
Fig. 5 is the STRUCTURE DECOMPOSITION schematic diagram of electromagnetic propulsion device of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
Detailed description for the present invention and technology contents, the existing accompanying drawing that just coordinates is described as follows:
Refer to shown in Fig. 1, Fig. 2 and Fig. 5, the invention provides a kind of Sewing machines with electromagnetism automatic cutting means, in order to split sewing two blocks of clothes 4, include one and mainly do motivation portion 1, be located at this main sewing platform 2 done below motivation portion 1, and an Electromagnetic Control structure 3.This main motivation portion 1 that does includes the rag knife group 11 that cuts this two cloth 4 when sewing starts, the sewing machine group 12 of one this two cloth 4 of sewing split, and one respectively at sewing start with at the end of cut the tangential knife group 13 of the end of a thread 41 (being separately shown in Fig. 4), this tangential knife group 13 to include on one tangential knife 131 and once tangential knife 132.This sewing platform 2 includes the work feed district 21 of this two cloth 4 of a propelling movement to this rag knife group 11, and one is located at the tangent line district 22 of this rear end, work feed district 21 for this lower tangential knife 132 setting.This Electromagnetic Control structure 3 includes a sensing element 31, and one and this sensing element 31 be electrically connected and be subject to the electromagnetic propulsion device 32 that this sensing element 31 controls, this sensing element 31 has one and exports one of this electromagnetic propulsion device 32 to when this two cloth 4 enters this work feed district 21 and enter cloth signal, this electromagnetic propulsion device 32 includes a reception, and this enters cloth signal and produces the electromagnetism portion 321 of one first magnetic, one has second magnetic relative with this first magnetic and carries out the drive rod 322 of all lineal travels by this first magnetic repulsion, and one to be connected with tangential knife on this 131 and to be arranged in this drive rod 322 and by the connecting portion 323 of this drive rod 322 interlock.Wherein this connecting portion 323 includes the holder 324 of this drive rod 322 of a connection, and one is installed in the tangent line tool rest 325 this holder 324 connecting tangential knife 131 on this, adjust the relative position of this holder 324 and this tangent line tool rest 325 between this holder 324 and this tangent line tool rest 325 by adjusting screw, this portion of techniques is prior art therefore does not repeat at this.
Refer to Fig. 1, Fig. 3 and Fig. 4, when this sewing machine group 12 sent in the lump by this two cloth 4, this rag knife group 11 cuts by useless cloth 42 part of this sewing machine group 12 interlock by this two cloth 4 edge.Meanwhile, this two cloth 4 can be woven together according to the weaving manner of its design by multiple knitting needles of this sewing machine group 12.Because sewing machine group 12 can respectively leave one section of the end of a thread 41 in this two cloth 4 rear and front end in braiding process, therefore a waste material collection device 5 also installed by Sewing machines of the present invention.This waste material collection device 5 has one and is positioned at this rag knife group 11 side and the first air intake duct 51 of normality air-breathing, and one is positioned at the second other air intake duct 52 of this tangential knife group 13, this first air intake duct 51 draws the useless cloth 42 of this rag knife group 11 under this two cloth 4 cuts, and this second air intake duct 52 draws this end of a thread 41.In specific embodiment of the invention sample, this main motivation portion 1 that does has the assembly tab 14 be located at above this sewing platform 2, this assembly tab 14 includes one first assembled portion 141, one the second assembled portion 142 installed for this electromagnetic propulsion device 32, and one is located at turning point 143 between this first assembled portion 141 and this second assembled portion 142, this first assembled portion 141 and this second assembled portion 142 for center line, are located at this sewing platform 2 both sides with this turning point 143 respectively.This sensing element 31 includes to be located at this and mainly to make the perception part 311 that motivation portion 1 normality launches an induced signal, and one to reflect this induced signal be the reflecting part 312 of a reflected signal to this perception part 311 in the work feed district 21 being located at this sewing platform 2, wherein this perception part 311 is fixed on this by this first assembled portion 141 and mainly does motivation portion 1 and be positioned at above this sewing platform 2, this reflecting part 312 preferably position is arranged on a movable maintenance cover plate 211 raised of this side, work feed district 21, wherein this perception part 311 preferably implements aspect is an Infrared emitting and receiving device, but do not limit the present invention with this.
Stop this reflecting part 312 by this work feed district 21 after except useless cloth 42 when this two cloth 4 cuts by this rag knife group 11 and interdict this reflected signal, now this perception part 311 judges that this reflected signal disappears and namely exports this and enter cloth signal to this electromagnetic propulsion device 32 (representing cloth 4 to have sent in sewing machine group 12); Another when this two cloth 4 leaves this reflecting part 312 completely, this perception part 311 again obtains this reflected signal and exports one and go out cloth signal and make Sewing machines terminate sewing action to this electromagnetic propulsion device 32 (represent cloth 4 and left sewing machine group 12).
This electromagnetic propulsion device 32 enters cloth signal according to this and this goes out the sequential of cloth signal deciding action, more particularly, the present invention also has the control box 6 that a telecommunication connects this perception part 311 and this electromagnetic propulsion device 32, this control box 6 has been preset with a delay knitting needle number, when this two cloth 4 enters this work feed district 21 and interdicts this reflected signal, this perception part 311 exports this and enters cloth signal to this control box 6, this this sewing machine group 12 of control box 6 counting goes out the number of times of pin, and when the number of times that sewing machine group 12 goes out pin reaches this delay knitting needle number, export this again and enter cloth signal to this electromagnetic propulsion device 32.When this electromagnetic propulsion device 32 receives after this enters cloth signal, this electromagnetism portion 321 is driven to produce this first magnetic, and this drive rod 322 carries out this tangent line stroke by this first magnetic repulsion, so interlock on this tangential knife 131 carry out once with the shear action of lower tangential knife 132.
The concrete action showed is as follows, those cloth 4 front ends of running along with this sewing machine group 12 can be connected with at those clothes 4 not yet by the end of a thread 41 that knitting needle sewing then and first knits out, wherein weave the pin number of this unnecessary the end of a thread 41 of those cloth 4 front ends, be this delay knitting needle number.When this electromagnetic propulsion device 32 receives after this enters cloth signal, namely this tangential knife group 13 of interlock this end of a thread 41 can be cut.In like manner, after those cloth 4 pieces, those cloth 4 ends leave the below of tangential knife 131 on this not yet completely, those cloth 4 ends need be waited to leave completely on this after below tangential knife 131, just can carry out the action of breaking, therefore this delay knitting needle number can be utilized, when those clothes 4 leave this reflecting part 312 completely, this perception part 311 again obtains this reflected signal and exports one and goes out cloth signal to this control box 6, this this sewing machine group 12 of control box 6 counting goes out the number of times of pin, and when the number of times that sewing machine group 12 goes out pin reaches this delay knitting needle number, export this again and go out cloth signal to this electromagnetic propulsion device 32.When this electromagnetic propulsion device 32 receives after this goes out cloth signal, this electromagnetism portion 321 is driven to produce this first magnetic, and this drive rod 322 carries out this tangent line stroke by this first magnetic repulsion, and then interlock on this tangential knife 131 carry out once with the shear action of lower tangential knife 132, this unnecessary for those cloth 4 ends the end of a thread 41 is wiped out.
In addition, refer to shown in Fig. 5, in order to make this connecting portion 323 can be stressed uniformly, this connecting portion 323 is made to be able to stable motion by during this drive rod 322 interlock, this electromagnetic propulsion device 32 comprises one has this electromagnetism portion 321 of confession be installed with and be fixedly arranged on the housing 326 of this second assembled portion 142, and the flexible axostylus axostyle 327 of this housing 326 of multiple connection and this connecting portion 323.In specific embodiment of the invention aspect, this housing 326 is a tetragonal body, this electromagnetism portion 321 and this drive rod 322 are located at this housing 326 central authorities, those flexible axostylus axostyles 327 are arranged at the corner of this housing 326, so, namely this connecting portion 323 has the stress point that is positioned at central authorities, and four equalization points, the interlock of Absorbable organic halogens on this tangential knife 131 move.In addition, this electromagnetic propulsion device 32 also includes to be located in this electromagnetism portion 321 and the flexible member 328 be connected with this drive rod 322, when carrying out this tangent line stroke when the first magnetic repulsion that this drive rod 322 is produced by this electromagnetism portion 321, this flexible member 328 is stretched and is had a restoring force, and on this tangential knife 131 carry out once complete with the shear action of lower tangential knife 132 after, this drive rod 322 is retracted position originally.
In sum, because the present invention utilizes an electromagnetic propulsion device to drive tangential knife upper and lower displacement on this, and then unnecessary sewing the end of a thread is cut off.This electromagnetic propulsion device comes from driven by power, does not need extra setting to take up space and the extra Ignitable gas devices increasing cost again.And this electromagnetic propulsion device is except this drive rod, separately arrange multiple flexible axostylus axostyle to be connected with this holder, thus, just can the stressed degree of average this holder, add the stability of this holder, and upper tangential knife and lower tangential knife can be overcome to misplace and cannot the shortcoming of cutting car suture head.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (8)
1. have a Sewing machines for electromagnetism automatic cutting means, in order to split sewing two blocks of clothes, it is characterized in that, this Sewing machines with electromagnetism automatic cutting means includes:
One mainly does motivation portion, include the rag knife group that cuts this two cloth when sewing starts, the sewing machine group of one this two cloth of sewing split, and one respectively at sewing start with at the end of cut the tangential knife group of the end of a thread, this tangential knife group to include on one tangential knife and once tangential knife;
One sewing platform, is located at this and mainly does below motivation portion, include the work feed district of this two cloth of a propelling movement to this rag knife group, and one is located at the tangent line district that this rear end, work feed district arranges for this lower tangential knife;
One Electromagnetic Control structure, include a sensing element, and one and this sensing element be electrically connected and the electromagnetic propulsion device controlled by this sensing element, this sensing element has one and exports one of this electromagnetic propulsion device to when this two cloth enters this work feed district and enter cloth signal, this electromagnetic propulsion device includes a reception, and this enters cloth signal and produces the electromagnetism portion of one first magnetic, one has second magnetic relative with this first magnetic and carries out the drive rod of all lineal travels by this first magnetic repulsion, and one to be connected with tangential knife on this and to be arranged in this drive rod and by the connecting portion of this drive rod interlock.
2. there is the Sewing machines of electromagnetism automatic cutting means as claimed in claim 1, it is characterized in that, this sensing element includes to be located at this and mainly to make the perception part that motivation portion normality launches an induced signal, and one is located at the work feed district of this sewing platform and to reflect this induced signal be the reflecting part of a reflected signal to this perception part, this two cloth enters this work feed district and interdicts this reflected signal and make this perception part export this and enter cloth signal.
3. there is the Sewing machines of electromagnetism automatic cutting means as claimed in claim 2, it is characterized in that, this perception part has one when this two cloth and leaves this reflecting part completely, and this perception part again obtains this reflected signal and exports one of this electromagnetic propulsion device to and go out cloth signal.
4. have the Sewing machines of electromagnetism automatic cutting means as claimed in claim 2, it is characterized in that, this perception part is an Infrared emitting and receiving device.
5. there is the Sewing machines of electromagnetism automatic cutting means as claimed in claim 2, it is characterized in that, this main motivation portion that does includes an assembly tab, this assembly tab includes the first assembled portion of this perception part of an installing, second assembled portion of one this electromagnetic propulsion device of installing, and one is located at turning point between this first assembled portion and this second assembled portion.
6. have the Sewing machines of electromagnetism automatic cutting means as claimed in claim 1, it is characterized in that, this connecting portion includes the holder of this drive rod of connection, and one is installed in the tangent line tool rest this holder connecting tangential knife on this.
7. there is the Sewing machines of electromagnetism automatic cutting means as claimed in claim 1, it is characterized in that, this electromagnetic propulsion device includes one and is installed with for this electromagnetism portion and is fixedly arranged on this main housing doing motivation portion, and the flexible axostylus axostyle of this housing of multiple connection and this connecting portion.
8. have the Sewing machines of electromagnetism automatic cutting means as claimed in claim 1, it is characterized in that, this electromagnetic propulsion device also includes to be located in this electromagnetism portion and the flexible member be connected with this drive rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224104.1A CN103510292B (en) | 2012-06-28 | 2012-06-28 | Sewing machine with automatic electromagnetic cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224104.1A CN103510292B (en) | 2012-06-28 | 2012-06-28 | Sewing machine with automatic electromagnetic cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103510292A CN103510292A (en) | 2014-01-15 |
| CN103510292B true CN103510292B (en) | 2015-06-17 |
Family
ID=49893684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210224104.1A Expired - Fee Related CN103510292B (en) | 2012-06-28 | 2012-06-28 | Sewing machine with automatic electromagnetic cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103510292B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968061B (en) * | 2017-04-27 | 2019-10-01 | 杰克缝纫机股份有限公司 | A kind of anti-cloth-cutting apparatus and its control method for sewing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5027733A (en) * | 1988-05-17 | 1991-07-02 | Schips Ag Nahautomation | Sewing machine with automatic separation of pieces of sewing material |
| CN2830450Y (en) * | 2005-09-16 | 2006-10-25 | 西安标准工业股份有限公司 | Auto cutting thread control system of cup seaming machine |
| CN1858322A (en) * | 2006-06-08 | 2006-11-08 | 黄昌芦 | Industrial sewing machine head capable of automatically cutting fabric |
| EP1992726A1 (en) * | 2007-05-15 | 2008-11-19 | Dürkopp Adler Aktiengesellschaft | Sewing machine |
| CN201305741Y (en) * | 2008-11-07 | 2009-09-09 | 广州科祺自动化设备有限公司 | Single-needle dual-knife closure sewing machine |
| CN101845722A (en) * | 2009-03-24 | 2010-09-29 | 启翔针车（上海）有限公司 | Automatic thread cutting device of sewing machine |
-
2012
- 2012-06-28 CN CN201210224104.1A patent/CN103510292B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5027733A (en) * | 1988-05-17 | 1991-07-02 | Schips Ag Nahautomation | Sewing machine with automatic separation of pieces of sewing material |
| CN2830450Y (en) * | 2005-09-16 | 2006-10-25 | 西安标准工业股份有限公司 | Auto cutting thread control system of cup seaming machine |
| CN1858322A (en) * | 2006-06-08 | 2006-11-08 | 黄昌芦 | Industrial sewing machine head capable of automatically cutting fabric |
| EP1992726A1 (en) * | 2007-05-15 | 2008-11-19 | Dürkopp Adler Aktiengesellschaft | Sewing machine |
| CN201305741Y (en) * | 2008-11-07 | 2009-09-09 | 广州科祺自动化设备有限公司 | Single-needle dual-knife closure sewing machine |
| CN101845722A (en) * | 2009-03-24 | 2010-09-29 | 启翔针车（上海）有限公司 | Automatic thread cutting device of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103510292A (en) | 2014-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103030024A (en) | Medical non-woven fabric folding machine | |
| CN103510292B (en) | Sewing machine with automatic electromagnetic cutting device | |
| CN104141200B (en) | A kind of non-woven fabrics acupuncture equipment | |
| CN201424598Y (en) | Ultrasonic cloth cutting machine | |
| CN103409944B (en) | The unordered needling device of a kind of nonwoven fabric | |
| CN102517810A (en) | Thread trimming device of numerical control carpet tying machine | |
| CN203475192U (en) | Belting fabric cutting device | |
| CN106258176B (en) | Grass-mowing machine | |
| CN102369815B (en) | Electric pepper picker | |
| CN201605413U (en) | Cleaning device for sheared edge scotching of warp knitting machine | |
| CN208121342U (en) | Section line apparatus and sewing machine | |
| CN203602871U (en) | Felting needle of needle machine | |
| CN103924386A (en) | Upper-fulcrum shutdown mechanism of needle machine of nonwoven equipment | |
| CN215163828U (en) | Knife holder with edge protection device | |
| CN210712046U (en) | Automatic thread trimming device for sewing | |
| CN102021766B (en) | Automatic cutting device for parallel sewing machine | |
| CN108130661A (en) | The control method of section line apparatus, sewing machine and sewing machine | |
| CN202986192U (en) | Non-woven bag making machine | |
| CN203096354U (en) | Starting device of computerized flat knitting machine | |
| CN106637892A (en) | Cloth cutting device | |
| CN203475198U (en) | Fabric cutting device | |
| CN212175304U (en) | Non-woven fabric rapid cutting device | |
| CN201089832Y (en) | Knitting mechanical latch needle | |
| CN203878308U (en) | Upper fulcrum stop mechanism of non-woven equipment needling machine | |
| CN219839824U (en) | Rotary shaft structure of round table type needling platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20210628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |