CN1924144B - Cloth-cutting device for round-head keyhole sartorius - Google Patents
Cloth-cutting device for round-head keyhole sartorius Download PDFInfo
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- CN1924144B CN1924144B CN2006101091785A CN200610109178A CN1924144B CN 1924144 B CN1924144 B CN 1924144B CN 2006101091785 A CN2006101091785 A CN 2006101091785A CN 200610109178 A CN200610109178 A CN 200610109178A CN 1924144 B CN1924144 B CN 1924144B
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- bolster
- supporting mass
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Abstract
The cloth-cutting device for round-head keyhole sartorial of the present invention, forms round-head hole on the sewing cloth before or after the keyhole stitch is formed. The cloth-cutting device is characterized in that, it is provided with: a hammer support body fixed on the frame of the sartorial; a columned hammer support shaft which can support to the hammer support body in the vertical direction and has said hammer at the lower end; a rotation preventive mechanism for preventing the hammer support shaft rotating relative to the hammer support body; an actuator for making the hammer move in the vertical direction through hammer support shaft; a transmission mechanism for transmitting the drive force from the actuator to the hammer support shaft, the rotation preventive mechanism is provided with: a flat face part disposed in the outer periphery of the hammer support shaft and a rotation preventive component disposed at the lower end of the hammer support body located lower than the frame and contacts with the flat face part.
Description
Technical field
The present invention relates to the cloth-cutting apparatus that a kind of interaction by hammer and cutting knife forms the round end button holing sewing machine in round end hole.
Background technology
In the round end button holing sewing machine, cloth-cutting apparatus is installed, after this device is used for forming keyhole stitch seam on processing cloth or before forming keyhole stitch seam, in the inboard of this keyhole stitch seam or the predetermined interior lateral incision round end hole (buttonhole) that forms part of keyhole stitch seam.For example, Japanese Patent Laid discloses the cloth-cutting apparatus that discloses following this round end button holing sewing machine in communique 2005-95302 number.
Described cloth-cutting apparatus comprises; Be fixed on the cutting knife on the framework of base plate of Sewing machines; Can be bearing in the hammer bolster on the framework of casing portion by the hammer supporting mass with moving up and down; Be fixed on the hammer of described hammer bolster bottom; Make the move up and down cylinder of usefulness of described hammer bolster; And the driving force of described cylinder passed to transmission mechanism of described hammer bolster etc.
For the interlocking pattern that does not make described hammer and described cutting knife changes, described cloth-cutting apparatus has rotation preventive mechanism, is used to prevent that the hammer bolster that is supported on described hammer supporting mass from rotating.Described rotation preventive mechanism has: by the periphery part of hammer bolster is carried out the smooth face that chamfering forms and screw togather be inserted in the described hammer supporting mass and with described smooth facial spline pin of conflicting.
If apply the bigger power of desiring to make described hammer bolster rotation to described spline pin, dislocation takes place sometimes and described spline pin is rocked.This occasion must fastening again described spline pin and is eliminated and rock.
Yet,, therefore, have the problem of the trouble of terminal operation again of above-mentioned spline pin because the spline pin of above-mentioned rotation preventive mechanism is configured in the top that is positioned at the Sewing machines framework of hammer supporting mass.
Summary of the invention
The object of the present invention is to provide a kind of cloth-cutting apparatus of round end button holing sewing machine of the adjusting operation that can prevent the rotation preventive mechanism that the hammer bolster rotates relative to the hammer supporting mass simply.
The present invention discloses a kind of cloth-cutting apparatus of round end button holing sewing machine, the cutting knife and the interaction that can be arranged on the hammer on the Sewing machines machine frame of Sewing machines machine frame is fixed in utilization with moving up and down, before keyhole stitch seam forms the back or forms, on processing cloth, form the round end hole, it is characterized in that, be provided with: be fixed on the hammer supporting mass on the Sewing machines machine frame; Can be bearing on the hammer supporting mass with moving up and down and have the columned hammer bolster of hammer in the bottom; Prevent the rotation preventive mechanism that the hammer bolster rotates relative to the hammer supporting mass; Make the move up and down actuator of usefulness of hammer by the hammer bolster; And the driving force of actuator passed to the transmission mechanism of hammer bolster, rotation preventive mechanism has: the smooth face that is arranged at hammer bolster periphery; And the hammer supporting mass than Sewing machines machine frame more the bottom, with the smooth facial spline member of conflicting of hammer bolster.
Adopt this formation, prevent that the spline member that the hammer bolster rotates is arranged on the lower part of Sewing machines machine frame owing to will conflict, so can carry out the adjusting operation of rotation preventive mechanism simply with the tabular surface of hammer bolster.
This occasion, preferably the spline member has: be arranged at the bottom of hammer supporting mass and the board member of conflicting with smooth face; And for board member and smooth face are conflicted and the pressing member of pressing plate member.
And preferably pressing member has: be arranged at the hammer supporting mass the bottom and and smooth face between have the wall member of the configuring area of board member; Be arranged at the screw of wall member; And be screwed in screw and the screw member of front end pressing plate member.
And preferably wall member releasably engages with the slot of being located at hammer supporting mass bottom.
Description of drawings
Fig. 1 represents the 1st embodiment of the present invention, is the front view of expression round end button holing sewing machine internal structure.
Fig. 2 is the vertical view of expression round end button holing sewing machine internal structure.
Fig. 3 is for amplifying the vertical profile front view of expression hammer supporting device peripheral part.
Fig. 4 is for amplifying the left view of expression hammer supporting device peripheral part.
Fig. 5 is the front view of hammer supporting mass and hammer bolster.
Fig. 6 is the vertical profile left view of hammer supporting mass and hammer bolster.
Fig. 7 is the vertical view of hammer supporting mass and hammer bolster.
Fig. 8 is the upward view of hammer supporting mass and hammer bolster.
Figure when Fig. 9 cuts off for processing cloth, suitable with Fig. 1.
Figure when Figure 10 descends for make the hammer bolster with manual operation, suitable with Fig. 1.
Figure 11 is expression figure the 2nd embodiment of the present invention, suitable with Fig. 6.
Figure 12 is the figure suitable with Fig. 8.
The specific embodiment
In order to further describe the present invention, describe with reference to accompanying drawing.Fig. 1～Figure 10 represents the 1st embodiment of the present invention.As shown in Figure 1, the round end button holing sewing machine 1 of present embodiment has base plate 2, casing portion 3, uprights 4.On the framework 1a (being equivalent to the Sewing machines machine frame) of base plate 2, fix Cutter apron 5, on described Cutter apron 5, fixing cutting knife 6.Described base plate 2 is provided with needle plate 7.The upper surface of the upper end of described cutting knife 6 and described needle plate 7 is in roughly sustained height position.
Be provided with hammer supporting device 8 in the bottom of casing portion 3.Described hammer supporting device 8 comprises: roughly be hammer supporting mass 9 cylindraceous; Can be bearing in the hollow form hammer bolster 10 on the described hammer supporting mass 9 along the vertical direction slidably; Be installed on the hammer connector 11 of described hammer bolster 10 bottoms; Releasably be installed on the hammer 12 of described hammer connector 11 lower ends; And be installed on connecting rod connector 13 of described hammer bolster 10 upper ends etc.Described hammer 12 is opposed on above-below direction with described cutting knife 6.The detailed formation aftermentioned of hammer supporting device 8.
Bottom in described uprights 4 disposes the cylinder 14 as actuator.Framework 1a is by the bottom of pin 15 rotatably support cylinders 14.Piston rod 14a is outstanding upward from the upper end of cylinder 14.When cylinder 14 drove, the described relatively cylinder 14 of described piston rod 14a entered or withdraws from.
In described casing portion 3, dispose the linkage 16 that the driving force of described cylinder 14 is passed to hammer bolster 10 as transmission mechanism.As shown in Figure 1 and Figure 2, described linkage 16 has the 1st, the 2nd link component 17,18 and intermediate connecting rod member 19.Described the 1st link component 17 comprises: the support 17a that fore-and-aft direction extends; From the rear end of described support 17a to the driving arm 17b of right-hand extension; And the arm portions 17c that extends to left from the front end of described support 17a.The described support 17a of bolster 20 rotatably supports that framework 1a extends by fore-and-aft direction.The front end of described driving arm 17b forms forked, is connected with the connecting portion 14b of described piston rod 14a front end rotationally by pin 21.
Described the 2nd link component 18 has: the support 18a of central authorities and be positioned at described support 18a the left and right sides push arm 18b and arm portions 18c.The described support 18a of bolster 22 rotatably supports that framework 1a extends by fore-and-aft direction.The described front end of pushing buttocks 18b and arm portions 18c forms forked respectively.Described fork of pushing arm 18b front end has bolster 24.Bolster 24 will be pushed roller 23.The described roller 23 of pushing is connected with the connecting rod connector 13 that is positioned at hammer bolster 10 tops.
Described intermediate connecting rod member 19 front end of the arm portions 18c of the front end by connecting pin 25,26 and the arm portions 17c of described the 1st link component 17 and described the 2nd link component 18 respectively is connected.
In the above-described configuration, when piston rod 14a entered, each link component 17,18,19 rotated, and hammer bolster 10 is pushed to the below, and the result is the upper end that the cutting knife bearing plane 12b of hammer 12 lower ends is pressed into cutting knife 6.Cutting knife 6, hammer supporting device 8, hammer 12, cylinder 14, linkage 16 etc. constitute cloth-cutting apparatus 27.
The formation of hammer supporting device 8 is described below with reference to Fig. 3～Fig. 8.
On the framework 1a of casing portion 3 bottoms, be formed with circular installing hole 1b, described hammer supporting mass 9 is embedded among the described installing hole 1b.Hammer supporting mass 9 has: the large-diameter portion 9a that outside dimension is big, be positioned at the little minor diameter part 9b of large-diameter portion 9a bottom and outside dimension and be positioned at large-diameter portion 9a and the boundary member periphery of minor diameter part 9b on the 9c of mounting flange portion.Hammer supporting mass 9 inserts large-diameter portion 9a the described installing hole 1b from the below, the lower surface of described mounting flange 9c of portion and framework 1a is conflicted, thereby and use a plurality of bolts 28 that the 9c of mounting flange portion and framework 1a are fastenedly connected hammer supporting mass 9 to be fixed on the framework 1a.Circumference lower end at the installing hole 1b of framework 1a is provided with circular oil seal body 29.Utilize described oil seal body 29 to prevent that round end button holing sewing machine 1 employed lubricating oil is from dripping between framework 1 and the hammer supporting mass 9 downwards.
Described hammer supporting mass 9 has the hole portion 30 large-diameter portion 9a and minor diameter part 9b, that above-below direction runs through of crossing, and is inserted with the hammer bolster 10 that can slide along the vertical direction in described hole portion 30.Be formed with ring-type slot part 30a at the above-below direction central portion of the inner peripheral surface (sliding surface) of hole portion 30 as oil storage portion.
Bottom at described hammer bolster 10 is provided with rectangular-shaped connecting portion 31 integratedly.The width dimensions of connecting portion 31 is set at bigger than the internal diameter size of hole portion 30.Described hammer bolster 10 inserts the described hole portion 30 from the below, utilizes described connecting portion 31 restriction hammer bolsters 10 moving upward.
On described connecting portion 31, for example use four screws 32 releasably described hammer connector 11 to be fixed.Right lower quadrant at described hammer connector 11 front surfaces is provided with alignment pin 33.Handle member 35 is arranged on the front surface central authorities of hammer connector 11 by adjustment screw 34.Be formed with in the bottom of described handle member 35 and have contact with the 35a of portion.Front surface at hammer 12 is formed with slot 12a, is formed with cutting knife bearing plane 12b in the bottom of described hammer 12.Described hammer 12 the bottom of upper end and hammer connector 11 conflict and the state of right side and alignment pin 33 conflicts under, makes and have contact with the 35a of portion and engage with slot 12a and screw adjustment screw 34, thereby hammer 12 is installed on the described hammer connector 11.By unclamping described adjustment screw 34, the described 35a of portion that has contact with separates from slot 12a, hammer 12 can be unloaded from hammer connector 11.
Described connecting rod connector 13 is installed in the upper end of described hammer bolster 10.Described connecting rod connector 13 has: insert axial region 13a in the described hole portion 30, be located at the pushing facial 13b and extend upward from described right part of pushing facial 13b and have and the described L word shape buckling piece 13c of portion that pushes the relative opposite face of facial 13b of rectangular plate shape of described axial region 13a upper end.The described roller 23 of pushing of pushing buttocks 18b is configured in and pushes between facial 13b and the 13c of buckling piece portion.
Be provided with a pair of protuberance 36,36 in the front and rear part of described hammer bolster 10 upper ends.The facial 13b that pushes of described connecting rod connector 13 is configured between the described protuberance 36.Adopt this formation, connecting rod connector 13 relative hammer bolsters 10 can be made location and spline during assembling.
In described hole portion 30, dispose draft helical spring 37.Bottom at the axial region 13a of described connecting rod connector 13 is provided with otch 38, and is inserted with the pin 39 that crosses described otch 38.Bottom in described hole portion 30 is inserted with the pin 40 that radially crosses described hole portion 30.The upper end of described draft helical spring 37 is configured in the described otch 38, simultaneously with described pin 39 buckles.The bottom of described draft helical spring 37 and described pin 40 buckles.Adopt above-mentioned formation, connecting rod connector 13 is connected with hammer bolster 10 by described draft helical spring 37.This occasion, described draft helical spring 37 utilize its elastic force to hammer bolster 10 sides to described connecting rod connector 13 application of forces, the upper end of pushing facial 13b and hammer bolster 10 is close to.
Periphery part (left part among Fig. 6) to described hammer bolster 10 Lower Halves is carried out chamfering and is formed smooth facial 41.Described smooth facial 41 is continuous with a side of connecting portion 31.Form corresponding with described smooth facial 41 smooth facial 42 in the periphery part (left part among Fig. 6) of the minor diameter part 9b of hammer supporting mass 9.Bottom at described minor diameter part 9b forms and described smooth facial 42 recesses that extend in parallel 43, utilizes described recess 43 to be formed with wall portion 44 (being equivalent to wall member) in the left part of described minor diameter part 9b bottom.Described smooth facial 42 be equivalent to described wall portion 44 at end face.A pair of screw 45 before and after being formed with in the described wall portion 44.By nut 46 screw 47 (being equivalent to screw member) is screwed togather and to be inserted in the described screw 45.
Be respectively arranged with installation step portion 48 being positioned on the part on described recess 43 front and rear parts of the described mounting flange 9c of portion lower surface.Described installation step portion 48 is formed with screw 49 respectively.The straight line that connects described screw 49 centers deviates from described recess 43 slightly.
With hammer bolster 10 from below when inserting the hole portion 30 of hammer supporting mass 9, smooth facial 41 is opposed with wall portion 44, spline plate 50 is configured in the recess 43 and fixing with spiral shell pin 51, and utilize the screw 47 that screws togather in the screw 45 that is inserted in wall portion 44 before bring in and push spline plate 50.At this moment, by the tautness of suitable adjustment screw 51 and the tautness of screw 47, described hammer bolster 10 is adjusted to the state that can in the hole of hammer supporting mass 9 one 30, slide along the vertical direction but can not rotate.That is, constitute rotation preventive mechanism 52 by smooth facial 41, wall portion 44, recess 43, screw 47, spline plate 50 etc.
Like this, because spline plate 50 is disposed between wall portion 44 and smooth facial 41, utilize described wall portion 44 that described spline plate 50 is propped up, therefore, even apply the power of desiring to make 10 rotations of hammer bolster to described spline plate 50, also can do one's utmost to prevent 50 distortion of this spline plate and and hammer bolster 10 between produce and rock (producing unwanted gap), and can prevent breakage.Thus, utilize described rotation preventive mechanism 52 can prevent the rotation of hammer bolster 10 reliably.Particularly deviate from described recess 43 slightly, pretend the power of pushing facial 50a that is used for spline plate 50 and be difficult to arrive screw 51 owing to be connected and installed the straight line at screw 49 centers of stage portion 48.Therefore, also can prevent to screw togather the screw 51 that inserts in the described screw 49 shakes because of loosening.
And, owing to than framework 1a spline plate 50 is installed on the part of bottom more at hammer supporting mass 9, therefore, when spline plate 50 distortion and and when shaking between smooth facial 41, that can carry out screw 47,51 simply screws operation again, can carry out the replacing operation of described spline plate 50 simply when spline plate 50 is damaged.
On the top of hammer bolster 10, be provided with the screw 53 that radially connects this hammer bolster 10 and arrive hole portion 30.Correspondingly, be provided with and described screw 53 corresponding concave part 54 at the axial region 13a of connecting rod connector 13.Usually be inserted in the described screw 53 without any member the time, the screw 55 that is provided as fixture when draft helical spring 37 breakages screws togather insertion (Fig. 3 represents that screw 55 screws togather the state that is inserted in the screw 53).The front end that screws togather the screw 55 that is inserted in the screw 53 is positioned at described recess 54, thus connecting rod connector 13 is fixed on the hammer bolster 10.
The following describes the effect of above-mentioned formation.
Fig. 1 represent the piston rod 14a of cylinder 14 be in get the hang of, state that hammer bolster 10 is positioned at the position of readiness of rising.Under this state, the operator keyhole stitch seam is formed the back or form before processing cloth W be positioned on the assigned position on the needle plate 7.Then drive cylinder 14, when piston rod 14a withdraws from when action to arrow P 1 direction, the 1st link component 17 be center (direction shown in the arrow P 2 among Fig. 1) rotation along clockwise direction with bolster 20.So, making the 2nd link component 18 by intermediate connecting rod member 19 is center (direction shown in the arrow P 3 among Fig. 1) rotation in the counterclockwise direction with bolster 22, and the arm 18b that pushes of the 2nd link component 18 pushes the facial 13b of pushing of connecting rod connector 13 by pushing roller 23.Thus, the off-position below hammer bolster 10 is pulled to integratedly with connecting rod connector 13 becomes state shown in Figure 9.The result is that hammer 12 will be processed cloth W by being pressed on the cutting knife 6, forms the round end hole in the inboard of the predetermined formation portion of the keyhole stitch seam of processing cloth W or keyhole stitch seam.
The action of withdrawing from along with the piston rod 14a of cylinder 14, when the 1st link component 17 is that the center is when rotating along clockwise direction with bolster 20, the center Z of the center X of bolster 20, the center Y of connecting pin 25 and connecting pin 26 constitutes triangle, utilizes this triangle to constitute toggle mechanism (so-called force-increasing mechanism).
Like this, when the 1st link component 17 rotated along clockwise direction, the angle of release α of limit XY that is made of X and Y and the limit YZ that is made of Y and Z became big, and connecting pin 26 is up pushed away.Should go up thrust and be the big torque of driving force when withdrawing from than piston rod 14a.Therefore, even small-sized cylinder 14 also can make hammer 12 produce and form the required cut-out power (for example cut-out power of 8KN) in round end hole.
Be under the state of off-position that exit status, hammer bolster 10 be positioned at decline at shown in Figure 9, piston rod 14a, when the piston rod 14a of cylinder 14 when arrow P 4 directions enter action, the 1st link component 17 (direction shown in the arrow P 5 among Fig. 9) in the counterclockwise direction rotates.The result is that the 2nd link component 18 is by intermediate connecting rod member 19 (direction shown in the arrow P 6 among Fig. 9) rotation along clockwise direction, the arm 18b that pushes of the 2nd link component 18 rises, hammer bolster 10 becomes state shown in Figure 1 by the position of readiness above being pulled to the 13c of buckling piece portion that pushes roller 23 buckles.
Handle in the way making of keyhole stitch seam, carry out the occasion of handling when cutting off under the suture state, the operator must make keyhole stitch seam again after the off-position below hammer bolster 10 is shifted onto is carried out contraposition.This occasion because of cylinder 14 is in halted state, is pretended the dealer and with manual operation processing is finished and the hammer bolster 10 that is in the position of readiness of top moves downwards.That is, as shown in figure 10, the operator applies the power of direction shown in the arrow P 7 to hammer bolster 10, and the elastic force that makes hammer bolster 10 overcome draft helical spring 37 moves downwards.Like this, hammer 12 can be pressed against on the assigned position of processing cloth W, can carry out contraposition.After the contraposition, put on power on the hammer bolster 10 by releasing, the elastic force of utilizing draft helical spring 37 turns back to position of readiness with 10 pull-ups of hammer bolster.That is, can irrespectively make hammer bolster 10 descend or rise with the action of cylinder 14 and linkage 16.
According to present embodiment, connecting rod connector 13 is set on hammer bolster 10, use draft helical spring 37 that described connecting rod connector 13 is connected with hammer bolster 10 simultaneously.And when driving cylinder 14 made piston rod 14a advance and retreat action, described hammer bolster 10 moved up and down integratedly with connecting rod connector 13, and the flexible state of described draft helical spring 37 does not change.When cylinder 14 stopped, by hammer bolster 10 is applied downward power, thereby the elastic force of having only described hammer bolster 10 to overcome described draft helical spring 37 moved downwards.Thus, when carrying out common keyhole stitch seam formation operation,,, prolong the life-span of this draft helical spring 37 so can reduce the burden of described draft helical spring 37 because of described draft helical spring 37 is not had the external force effect.
When described draft helical spring 37 is damaged,, do not pass to hammer bolster 10 so be delivered to the driving force of the cylinder 14 of connecting rod connector 13 because of having removed being connected of hammer bolster 10 and connecting rod connector 13.To this, in the present embodiment,, screw 55 is inserted in the screw 53 by being screwed togather, connecting rod connector 13 can be fixed on the described hammer bolster 10.Therefore, though draft helical spring 37 breakages, because of on a crash basis hammer bolster 10 being connected with connecting rod connector 13, so can proceed the formation operation in round end hole by screw 55.
In the present embodiment, connecting rod connector 13 is provided with pushes facial 13b and the 13c of buckling piece portion.And, when the outlet side end of linkage 16 promptly during the pushing arm 18b and rotate downwards of the 2nd link component 18, the described roller 23 of pushing is pushed the described facial 13b that pushes, when described when pushing arm 18b and rotating upward, by hammer bolster 10 being risen with the described 13c of buckling piece portion that pushes roller 23 buckles.Thus, can reliably the moving up and down of arm 18b of pushing that is driven by cylinder 14 be passed to hammer bolster 10.
Figure 11 and Figure 12 represent the 2nd embodiment of the present invention, to making an explanation with the difference of the 1st embodiment.In the 2nd embodiment, the formation of rotation preventive mechanism 52 is different with the 1st embodiment.Specifically, spline plate 61 replaces smooth facial 41 conflicts of spline plate 50 ground and hammer bolster 10.Spline plate 61 comprises: push hammer bolster 10 smooth facial 41 push facial 61a; Be positioned at the described installation portion 61b that pushes facial 61a two ends; And be positioned at the described installation portion 61c that pushes the length direction central portion of facial 61a.The lower surface of the minor diameter part 9b of hammer supporting mass 9 is provided with recess 62, and described spline plate 61 is configured in the described recess 62.In recess 62, be provided with the installation step portion (not shown) corresponding with installation portion 61b, corresponding with described installation step portion, between the upper surface of described installation portion 61b and the described upper surface of pushing panel 61a, be provided with step.Thus, limit in the described recess 62 the moving of spline plate 61 of configuration.The spline plate 61 that is disposed in the recess 62 is fixed by screw 63 by installation portion 61b, 61c.
In the present embodiment, the wall portion 44 that described spline plate 61 is propped up is not set in the bottom of minor diameter part 9b, but,, also can prevent distortion, the breakage of this spline plate 61 even apply the power of desiring to make 10 rotations of hammer bolster to described spline plate 61 by described spline plate 61 being fixed with three screws 63.
The present invention is not limited to the above embodiments, for example can do following distortion.
Though not shown, also described wall portion 44 can be made the structure with 9 splits of hammer supporting mass, releasably be installed on the lower surface of described hammer supporting mass 9.This occasion preferably is provided with the slot that engages with described wall portion 44 on the lower surface of described hammer supporting mass 9.
Connection is not limited to draft helical spring with elastic component, also can be made of rubber.
Claims (4)
1. the cloth-cutting apparatus of a round end button holing sewing machine, the cutting knife and the interaction that can be arranged on the hammer on the described Sewing machines machine frame of Sewing machines machine frame is fixed in utilization with moving up and down, before keyhole stitch seam forms the back or forms, forms the round end hole on processing cloth, it is characterized in that, be provided with:
Be fixed on the hammer supporting mass on the described Sewing machines machine frame;
Can be bearing in the columned hammer bolster that has described hammer on the described hammer supporting mass and in the bottom with moving up and down;
Prevent the rotation preventive mechanism that described hammer bolster rotates relative to described hammer supporting mass;
Make the move up and down actuator of usefulness of described hammer by described hammer bolster; And
The driving force of described actuator is passed to the transmission mechanism of described hammer bolster,
Described rotation preventive mechanism has: the smooth face that is arranged at described hammer bolster periphery; And the described Sewing machines machine frame of the ratio of described hammer supporting mass more the bottom, with the described smooth facial spline member of conflicting of described hammer bolster.
2. the cloth-cutting apparatus of round end button holing sewing machine as claimed in claim 1 is characterized in that, described spline member has: be arranged at the bottom of described hammer supporting mass and the board member of conflicting with described smooth face; And the pressing member of pushing described board member in order to make described board member and described smooth facial the conflict.
3. the cloth-cutting apparatus of round end button holing sewing machine as claimed in claim 2 is characterized in that, described pressing member has: be arranged at described hammer supporting mass the bottom and and described smooth face between have the wall member of the configuring area of described board member; Be arranged at the screw of described wall member; And be screwed in described screw and screw member that front end is pushed described board member.
4. the cloth-cutting apparatus of round end button holing sewing machine as claimed in claim 3 is characterized in that, described wall member releasably engages with the slot of being located at described hammer supporting mass bottom.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005247701A JP4892891B2 (en) | 2005-08-29 | 2005-08-29 | Eyelet sewing machine cloth cutting device |
| JP2005247701 | 2005-08-29 | ||
| JP2005-247701 | 2005-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1924144A CN1924144A (en) | 2007-03-07 |
| CN1924144B true CN1924144B (en) | 2011-07-06 |
Family
ID=37816957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101091785A Expired - Fee Related CN1924144B (en) | 2005-08-29 | 2006-08-07 | Cloth-cutting device for round-head keyhole sartorius |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4892891B2 (en) |
| CN (1) | CN1924144B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5329340B2 (en) * | 2008-08-29 | 2013-10-30 | Ｊｕｋｉ株式会社 | Foreign matter detection device for hole sewing machine |
| CN103696165A (en) * | 2013-12-30 | 2014-04-02 | 吴江市菀坪铭正缝纫机零件厂 | Sewing thread cutting knife |
| CN105568573B (en) * | 2016-01-31 | 2018-01-30 | 宁波舒普机电股份有限公司 | One kind rotation calking machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125349A (en) * | 1990-10-08 | 1992-06-30 | Brother Kogyo Kabushiki Kaisha | Buttonhole sewing machine |
| CN1245229A (en) * | 1998-08-06 | 2000-02-23 | 杜尔科普-阿德乐股份有限公司 | Device for cutting and sewing buttonhole |
| CN1511992A (en) * | 2002-11-25 | 2004-07-14 | 重机公司 | Cloth cutter of circular buttonhole machine |
| CN1600931A (en) * | 2003-09-24 | 2005-03-30 | 兄弟工业株式会社 | Cloth cut-off appts of round head buttonhole sewing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5493979A (en) * | 1994-05-03 | 1996-02-27 | Union Special Corporation | Independent guide system for upper roller feeder |
| JP4336418B2 (en) * | 1999-05-07 | 2009-09-30 | Ｊｕｋｉ株式会社 | Sewing machine cloth cutting equipment |
-
2005
- 2005-08-29 JP JP2005247701A patent/JP4892891B2/en not_active Expired - Fee Related
-
2006
- 2006-08-07 CN CN2006101091785A patent/CN1924144B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125349A (en) * | 1990-10-08 | 1992-06-30 | Brother Kogyo Kabushiki Kaisha | Buttonhole sewing machine |
| CN1245229A (en) * | 1998-08-06 | 2000-02-23 | 杜尔科普-阿德乐股份有限公司 | Device for cutting and sewing buttonhole |
| CN1511992A (en) * | 2002-11-25 | 2004-07-14 | 重机公司 | Cloth cutter of circular buttonhole machine |
| CN1600931A (en) * | 2003-09-24 | 2005-03-30 | 兄弟工业株式会社 | Cloth cut-off appts of round head buttonhole sewing machine |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-210488A 2000.08.02 |
| JP特开平10-328458A 1998.12.15 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4892891B2 (en) | 2012-03-07 |
| JP2007061174A (en) | 2007-03-15 |
| CN1924144A (en) | 2007-03-07 |
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