CN103485085B - Pocket welting knife for flat bed sewing machine and flat bed sewing machine - Google Patents
Pocket welting knife for flat bed sewing machine and flat bed sewing machine Download PDFInfo
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- CN103485085B CN103485085B CN201310487624.6A CN201310487624A CN103485085B CN 103485085 B CN103485085 B CN 103485085B CN 201310487624 A CN201310487624 A CN 201310487624A CN 103485085 B CN103485085 B CN 103485085B
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Abstract
The invention discloses a pocket welting knife for a flat bed sewing machine and a flat bed sewing machine. The pocket welting knife comprises a knife handle and a knife head connected below the knife handle, wherein the knife handle and the knife head are shaped like boots; a side knife edge is arranged at the head part of the knife head, and a bottom knife edge is arranged at the bottom of the knife head; the side knife edge and the bottom knife edge are integrally connected; the side knife edge is parallel to the midline of the knife handle; an included angle is formed between the bottom knife edge and the side knife edge, and the included angle is more than 90 degrees or less than 90 degrees; a gap is formed in the tail part of the knife head. By fixing the pocket welting knife on the head of the flat bed sewing machine disclosed by the invention, pocket welting can be performed on a place, needing pocket welting, of a garment, so that the difficulty in manually performing pocket welting is reduced, and the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of in flat seam machine for pocket open bag cutter and flat seam machine.
Background technology
Opening bag refers in clothing making process, cloth carries out opening and makes pocket.Pocket on People's Armed Police female's suede vest is straight pocket originally, and pocket is equipped with slide fastener, clip bag and open bag and easily grasp, and the pocket made is yi word pattern.In order to make, product design is more attractive in appearance changes straight type pocket into swallow-tail form pocket to new-type People's Armed Police female's suede vest, and replaces the slide fastener of original product by sack gear rack.Because marsupial tooth is so more have requirement to the clip cut across, the wide 0.4-0.5cm that is no more than of institute's clip that stays, therefore opens bag to artificial hand in the past and adds difficulty, have impact on operating efficiency.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide and a kind ofly open bag cutter and flat seam machine for flat seam machine.
For achieving the above object, of the present inventionly a kind ofly drive a bag cutter for flat seam machine, comprise handle of a knife and be connected to the cutter head below this handle of a knife, described handle of a knife and cutter head are shoe-like; Wherein, cutter head head is provided with side tool sword, and the bottom of cutter head is provided with counteredge; Side tool sword is connected with counteredge one;
Described side tool sword is parallel to handle of a knife center line; Form angle between counteredge and side tool sword, described angle is greater than 90 degree or be less than 90 degree;
Described cutter head afterbody is provided with breach.
Preferably, be cutter head top between described cutter head head and described handle of a knife, this cutter head top is provided with breach.
Preferably, described breach is provided with top blade, and top blade is connected with side tool sword one.
Preferably, described counteredge is arc, and its place camber line forms one section of round arc for being the center of circle with the top margin center of described handle of a knife.
Preferably, described side tool sword place camber line any point is 2-3cm to the paracentral distance in top of described handle of a knife.
Preferably, described side tool sword and top blade are linear pattern.
Preferably, the thickness of described side tool sword, counteredge and top blade is for being 1-1.5 μm.
For achieving the above object, a kind of flat seam machine of the present invention, at least comprises the shank be fixed on above needle plate and this needle plate on head, described shank is fixed one and drives a bag cutter; A cutter groove is offered along the pin hole of described needle plate to cloth input direction; Wherein, driving bag cutter described in is above-mentioned drive a bag cutter for flat seam machine; The described cutter head head surface driving bag cutter is to cloth input direction.
Beneficial effect of the present invention is:
1, the present invention drives a bag cutter by fixing one on the head of flat seam machine, to clothes needing out the place of bag open bag, alleviating the difficulty that artificial hand opens bag, improve operating efficiency;
2, the present invention is by arranging a breach at cutter head afterbody, avoids out damaging the part below pinprick and pinprick during bag cutter whereabouts cutting cloth;
3, the present invention is by arranging top blade, effectively can extend the clipping time of side tool sword cutting cloth, well complete out a bag task;
4, the present invention arranges side tool sword and counteredge, and when being in input state for the cloth moment, can accomplish that counteredge cuts downwards, side tool sword cuts along on cloth input direction, there will not be cloth packing phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation driving bag cutter described in the embodiment of the present invention 1;
Fig. 2 is the structural representation driving bag cutter described in the embodiment of the present invention 2;
Fig. 3 is the structural representation driving bag cutter described in the embodiment of the present invention 3;
Fig. 4 is the structure diagram of flat seam machine of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.
Embodiment 1:
As shown in Figure 1, a kind ofly described in the embodiment of the present invention drive a bag cutter for flat seam machine, the cutter head 2 comprising handle of a knife 1 and be connected to below this handle of a knife, described handle of a knife and cutter head are shoe-like.As shown in FIG., for this shoe-like cutter hub, described handle of a knife is square, divides described cutter head: bottom cutter head head, cutter head, cutter head afterbody and cutter head top.
Wherein, described cutter head head is provided with side tool sword 4, is provided with counteredge 5 bottom described cutter head; Side tool sword is connected with counteredge one.Namely be that side tool sword and counteredge form for unifying to open cutting edge of a knife or a sword polishing.
Described side tool sword is parallel to the median vertical line of handle of a knife, and described counteredge is linear pattern, forms angle between counteredge and side tool sword, and described angle is greater than 90 degree.
Be cutter head top between described cutter head head and described handle of a knife, this cutter head top is provided with breach.Described breach is provided with top blade 3, and top blade is connected with side tool sword one.Namely being side tool sword and top blade opens cutting edge of a knife or a sword polishing form for unified.Described top blade is linear pattern, and form angle between top blade and side tool sword, described angle is also greater than 90 degree.
Described cutter head afterbody is provided with breach 6.Described breach, in circular arc, is the median vertical line of progressive mode near described handle of a knife from the line of top point end points on earth.
Be illustrated in figure 4 a flat seam machine, the instrument of place on needle plate 7 and shank that this flat seam machine and existing flat seam machine change.Instrument on existing flat seam machine shank is pin, and the present invention be directed to make garment pocket design, therefore, instrument is for leaving a bag cutter.
First, on described shank, activity is fixed one and is driven bag cutter 10.A cutter groove 9 is offered along the pin hole 8 of described needle plate to cloth input direction.This cutter groove can be communicated with pin hole.
Wherein, driving bag cutter described in is above-mentioned drive a bag cutter for flat seam machine; The described cutter head head surface driving bag cutter is to cloth input direction.
During use, cloth is to opening a bag cutter direction input, and head drive is driven a bag cutter and moved downward, and the counteredge opened bottom bag cutter touches cloth 11, and passes from cutter groove, and cloth is cut.And at this moment cloth also at the uniform velocity inputs, so side tool sword can continue cloth to cut.Head drive is simultaneously driven a bag cutter and is moved upward, and in motion process, side tool sword can continue cloth to cut, thus completes a work period.Due to head motion quickly, the operation that therefore can come and go many times, cloth is opened length required for bag and is cut the most at last, completes whole work.
Complete in original flat seam machine owing to opening bag work, and original flat seam machine utilizes pin to carry out sewing clothing, therefore, some parts on needle plate below pin hole and pin hole can not be opened bag cutter touching and are damaged opening in bag process.Therefore, be damage some parts below pin hole and pin hole in order to avoid driving bag cutter and design at the aft mounted breach of cutter head.
And the design of pushing up blade designs to extend the effective cutting length of cloth when side tool sword cuts off.
Embodiment 2:
As shown in Figure 2, a kind ofly described in the embodiment of the present invention drive a bag cutter for flat seam machine, the cutter head 2 comprising handle of a knife 1 and be connected to below this handle of a knife, described handle of a knife and cutter head are shoe-like.As shown in FIG., for this shoe-like cutter hub, described handle of a knife is square, divides described cutter head: bottom cutter head head, cutter head, cutter head afterbody and cutter head top.
Wherein, described cutter head head is provided with side tool sword 4, is provided with counteredge 5 bottom described cutter head; Side tool sword is connected with counteredge one.Namely be that side tool sword and counteredge form for unifying to open cutting edge of a knife or a sword polishing.
Described side tool sword is parallel to the median vertical line of handle of a knife, and described counteredge is linear pattern, forms angle between counteredge and side tool sword, and described angle is less than 90 degree.
Be cutter head top between described cutter head head and described handle of a knife, this cutter head top is provided with breach.Described breach is provided with top blade 3, and top blade is connected with side tool sword one.Namely being side tool sword and top blade opens cutting edge of a knife or a sword polishing form for unified.Described top blade is linear pattern, and form angle between top blade and side tool sword, described angle is also greater than 90 degree.
Described cutter head afterbody is provided with breach 6.Described breach, in circular arc, is the median vertical line of progressive mode near described handle of a knife from the line of top point end points on earth.
Be illustrated in figure 4 a flat seam machine, the instrument of place on needle plate 7 and shank that this flat seam machine and existing flat seam machine change.Instrument on existing flat seam machine shank is pin, and the present invention be directed to make garment pocket design, therefore, instrument is for leaving a bag cutter.
First, on described shank, activity is fixed one and is driven bag cutter 10.A cutter groove 9 is offered along the pin hole 8 of described needle plate to cloth input direction.This cutter groove can be communicated with pin hole.
Wherein, driving bag cutter described in is above-mentioned drive a bag cutter for flat seam machine; The described cutter head head surface driving bag cutter is to cloth input direction.
During use, cloth is to opening a bag cutter direction input, and head drive is driven a bag cutter and moved downward, and the counteredge opened bottom bag cutter touches cloth 11, and passes from cutter groove, and cloth is cut.And at this moment cloth also at the uniform velocity inputs, so side tool sword can continue cloth to cut.Head drive is simultaneously driven a bag cutter and is moved upward, and in motion process, side tool sword can continue cloth to cut, thus completes a work period.Due to head motion quickly, the operation that therefore can come and go many times, cloth is opened length required for bag and is cut the most at last, completes whole work.
Complete in original flat seam machine owing to opening bag work, and original flat seam machine utilizes pin to carry out sewing clothing, therefore, some parts on needle plate below pin hole and pin hole can not be opened bag cutter touching and are damaged opening in bag process.Therefore, be damage some parts below pin hole and pin hole in order to avoid driving bag cutter and design at the aft mounted breach of cutter head.
And the design of pushing up blade designs to extend the effective cutting length of cloth when side tool sword cuts off.
Embodiment 3:
As shown in Figure 3, a kind ofly described in the embodiment of the present invention drive a bag cutter for flat seam machine, the cutter head 2 comprising handle of a knife 1 and be connected to below this handle of a knife, described handle of a knife and cutter head are shoe-like.As shown in FIG., for this shoe-like cutter hub, described handle of a knife is square, divides described cutter head: bottom cutter head head, cutter head, cutter head afterbody and cutter head top.
Wherein, described cutter head head is provided with side tool sword 4, is provided with counteredge 5 bottom described cutter head; Side tool sword is connected with counteredge one.Namely be that side tool sword and counteredge form for unifying to open cutting edge of a knife or a sword polishing.
Described side tool sword is parallel to the median vertical line of handle of a knife, and described counteredge is arc, and its place camber line forms one section of round arc for being the center of circle with the top margin center of described handle of a knife, adopts this kind of design to be consider from easy to make and simplicity of design direction.During design, smaller owing to driving bag cutter, therefore radius of a circle is 2-3cm.Therefore, in this case, form angle between the tangent line of counteredge and side tool sword, described angle is greater than 90 degree.
Be cutter head top between described cutter head head and described handle of a knife, this cutter head top is provided with breach.Described breach is provided with top blade 3, and top blade is connected with side tool sword one.Namely being side tool sword and top blade opens cutting edge of a knife or a sword polishing form for unified.Described top blade is arc line shaped, and form angle between the tangent line of top blade and side tool sword, described angle is also greater than 90 degree.
Described cutter head afterbody is provided with breach 6.Described breach, in circular arc, is the median vertical line of progressive mode near described handle of a knife from the line of top point end points on earth.
Be illustrated in figure 4 a flat seam machine, the instrument of place on needle plate 7 and shank that this flat seam machine and existing flat seam machine change.Instrument on existing flat seam machine shank is pin, and the present invention be directed to make garment pocket design, therefore, instrument is for leaving a bag cutter.
First, on described shank, activity is fixed one and is driven bag cutter 10.A cutter groove 9 is offered along the pin hole 8 of described needle plate to cloth input direction.This cutter groove can be communicated with pin hole.
Wherein, driving bag cutter described in is above-mentioned drive a bag cutter for flat seam machine; The described cutter head head surface driving bag cutter is to cloth input direction.
During use, cloth is to opening a bag cutter direction input, and head drive is driven a bag cutter and moved downward, and the counteredge opened bottom bag cutter touches cloth 11, and passes from cutter groove, and cloth is cut.And at this moment cloth also at the uniform velocity inputs, so side tool sword can continue cloth to cut.Head drive is simultaneously driven a bag cutter and is moved upward, and in motion process, side tool sword can continue cloth to cut, thus completes a work period.Due to head motion quickly, the operation that therefore can come and go many times, cloth is opened length required for bag and is cut the most at last, completes whole work.
Complete in original flat seam machine owing to opening bag work, and original flat seam machine utilizes pin to carry out sewing clothing, therefore, some parts on needle plate below pin hole and pin hole can not be opened bag cutter touching and are damaged opening in bag process.Therefore, be damage some parts below pin hole and pin hole in order to avoid driving bag cutter and design at the aft mounted breach of cutter head.
And the design of pushing up blade designs to extend the effective cutting length of cloth when side tool sword cuts off.
For above-mentioned three embodiments also it is noted that want fast due to cutting cloth, cutting effect is smooth.Therefore, thickness of knife edge is thin as far as possible, and the thickness of described side tool sword, counteredge and top blade is for being 1-1.5 μm.
Above; be only preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (2)
1. drive a bag cutter for flat seam machine, comprise handle of a knife and be connected to the cutter head below this handle of a knife, it is characterized in that, described handle of a knife and cutter head are shoe-like; Wherein, cutter head head is provided with side tool sword, and the bottom of cutter head is provided with counteredge; Side tool sword is connected with counteredge one;
Described side tool sword is parallel to handle of a knife center line; Form angle between counteredge and side tool sword, described angle is greater than 90 degree or be less than 90 degree;
Described cutter head afterbody is provided with breach;
Be cutter head top between described cutter head head and described handle of a knife, this cutter head top is provided with breach;
The breach at described cutter head top is provided with top blade, and top blade is connected with side tool sword one;
Described counteredge is arc, and its place camber line forms one section of round arc for being the center of circle with the top margin center of described handle of a knife;
Described counteredge place camber line any point is 2-3cm to the paracentral distance in top of described handle of a knife;
Described side tool sword and top blade are linear pattern;
The thickness of described side tool sword, counteredge and top blade is 1-1.5 μm.
2. a flat seam machine, at least comprises the shank be fixed on above needle plate and this needle plate on head, it is characterized in that, described shank is fixed one and drives a bag cutter; A cutter groove is offered along the pin hole of described needle plate to cloth input direction; Wherein, bag cutter is driven described in for driving a bag cutter for flat seam machine described in the claims 1; The described cutter head head surface driving bag cutter is to cloth input direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310487624.6A CN103485085B (en) | 2013-10-17 | 2013-10-17 | Pocket welting knife for flat bed sewing machine and flat bed sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310487624.6A CN103485085B (en) | 2013-10-17 | 2013-10-17 | Pocket welting knife for flat bed sewing machine and flat bed sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103485085A CN103485085A (en) | 2014-01-01 |
| CN103485085B true CN103485085B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310487624.6A Active CN103485085B (en) | 2013-10-17 | 2013-10-17 | Pocket welting knife for flat bed sewing machine and flat bed sewing machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1436887A (en) * | 2002-02-06 | 2003-08-20 | 重机公司 | Sewing machine for pocket lacing |
| CN201099741Y (en) * | 2007-10-19 | 2008-08-13 | 标准缝纫机菀坪机械有限公司 | Medium-thickness material upper and lower feeding side cutter device |
| CN101245533A (en) * | 2007-02-16 | 2008-08-20 | Juki株式会社 | Panel strip sewing machine |
| CN102733109A (en) * | 2012-06-19 | 2012-10-17 | 吴江市晓昱喷气织造有限公司 | Edge trimming mechanism for sewing machine |
| CN203530634U (en) * | 2013-10-17 | 2014-04-09 | 际华三五四三针织服饰有限公司 | Normal sewing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10108989A (en) * | 1996-10-08 | 1998-04-28 | Juki Corp | Tape cutter device for sewing machine |
| JPH11128578A (en) * | 1997-10-31 | 1999-05-18 | Brother Ind Ltd | Sewing machine for holing |
| JP2010035989A (en) * | 2008-08-08 | 2010-02-18 | Juki Corp | Binding sewing machine |
| JP2013208403A (en) * | 2012-03-30 | 2013-10-10 | Brother Ind Ltd | Buttonhole sewing machine |
-
2013
- 2013-10-17 CN CN201310487624.6A patent/CN103485085B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1436887A (en) * | 2002-02-06 | 2003-08-20 | 重机公司 | Sewing machine for pocket lacing |
| CN101245533A (en) * | 2007-02-16 | 2008-08-20 | Juki株式会社 | Panel strip sewing machine |
| CN201099741Y (en) * | 2007-10-19 | 2008-08-13 | 标准缝纫机菀坪机械有限公司 | Medium-thickness material upper and lower feeding side cutter device |
| CN102733109A (en) * | 2012-06-19 | 2012-10-17 | 吴江市晓昱喷气织造有限公司 | Edge trimming mechanism for sewing machine |
| CN203530634U (en) * | 2013-10-17 | 2014-04-09 | 际华三五四三针织服饰有限公司 | Normal sewing machine |
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| CN103485085A (en) | 2014-01-01 |
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