CN1436887A - Sewing machine for pocket lacing - Google Patents
Sewing machine for pocket lacing Download PDFInfo
- Publication number
- CN1436887A CN1436887A CN 03104246 CN03104246A CN1436887A CN 1436887 A CN1436887 A CN 1436887A CN 03104246 CN03104246 CN 03104246 CN 03104246 A CN03104246 A CN 03104246A CN 1436887 A CN1436887 A CN 1436887A
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- CN
- China
- Prior art keywords
- fringing
- cutting knife
- corner cut
- sewing machines
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Abstract
In a sewing machine (10) for binding provided with a main body (20) of the sewing machine for supporting two sewing needles (N) to be vertically movable on an arm part (23) arranged above a bed part (21) and for forming two mutually parallel stitches on an object to be sewn by these two sewing needles, a large presser (60) for holding the object to be sewn, a carriage means (30) for carrying the large presser in the direction to form two stitches, a center scalpel (40) for forming a pocket hole between the two stitches and a corner scalpel (50) for forming silts on both the terminals of the pocket hole, the bed part is formed with a notched part (21a) for arranging the corner scalpel. Therefore, the position to arrange the corner scalpel can be made close to the bed part and the sewing machine for binding can be miniaturized.
Description
Technical field
The present invention relates to a kind ofly have the central cutting knife that forms pocket openings, and form the corner cut cutting knife in crack at the two ends of above-mentioned pocket openings and carry out the pocket fringing Sewing machines of pocket fringing.
Background technology
In the past, at the pocket fringing Sewing machines that forms pocket openings on the lining and sew on filler rod cloth (below, be called " fringing cloth ") for well-known.As Fig. 4 and shown in Figure 5, general pocket fringing Sewing machines 100, it is roughly by board portion 101, vertical main body section 102, can support the chain-drive section 103 of two Sewing needles N with moving up and down, be disposed at the workbench 104 of the top of board portion 101 along fore-and-aft direction, be pressed in lining above the workbench 104 and under the state that keeps fringing cloth, it be displaced into and make ready position P1, sewing position P2, big presser feet 105 between the P3 of sewing finishing position, the conveying mechanism 106 that big presser feet is moved, be set in fringing cloth on the big presser feet 105 and fringing cloth flanging the time as the maintenance body 107 of the T font of template, move up and down and on lining, form the central cutting knife 108 of pocket openings at sewing position P2, haunt a pair of corner cut cutting knife 109 formations such as grade in front and back of the opening 104a that is formed on the workbench 104 at sewing finishing position P3.In addition, symbol 110 expressions are used to carry the fringing cloth plummer of fringing cloth.
Below, the action of pocket fringing Sewing machines 100 is described, shown in Fig. 6 (a), at first, making ready position P1, the maintenance body 107 that has kept fringing cloth C2 at fringing cloth plummer 110 is being dropped on the big presser feet 105 (big presser feet 105 is positioned at (P1) among Fig. 5) that lining C1 is pressed on the workbench 104.Then, the flanged plate 105a of big presser feet 105 move and fringing cloth C2 from left and right sides flanging, so far, lining C1 on the presser feet 105 greatly and the setting end (with reference to Fig. 6 (b)) of fringing cloth C2.
Then, conveying mechanism 106 is transported to sewing position P2 to big presser feet 105, and forms two parallel stitchings with two eedle N along the throughput direction fore-and-aft direction on lining C1 and fringing cloth C2, and C2 is sewn on the lining C1 fringing cloth.
Then, central cutting knife 108 cutting between two parallel stitchings, and forms pocket openings on lining C1.
Subsequently, conveying mechanism 106 is transported to sewing finishing position P3 (big presser feet 105 is positioned at (P3) among Fig. 5) to big presser feet 105, shown in the arrow of Fig. 5, form the crack of V font with the method that corner cut cutting knife 109 is risen at the two ends of pocket openings, and finish a series of pocket fringing and make.
At this moment, as shown in Figure 5, be used for moving the conveying mechanism 106 of big presser feet 105, possess guide rail 106a and hang over belt 106b on the belt pulley that is disposed at guide rail 106a two ends, and, make the arm 106c that is supported on slidably on the guide rail 106a and the big presser feet that is connected with arm 106c 105 moves along fore-and-aft direction with driving belt 106b.
But, big presser feet 105 will be transported to corner cut cutting knife 109 places in the place ahead to lining C1 and fringing cloth C2, at least so determined the mobile final position in arm 106c the place ahead according to the front position of corner cut cutting knife 109, therefore, just determined the front position of guide rail 106a.
But, pocket fringing Sewing machines 100 in the past, its corner cut cutting knife 109 is avoided board portion 101 and is disposed, and is configured in the place ahead of board portion 101 front ends.
Thereby the front position of guide rail 106a is because must be according to the position configuration of corner cut cutting knife 109 in the place ahead, so its result causes the pocket fringing Sewing machines 100 whole problems that maximize that make.
Consider the problems referred to above, the object of the present invention is to provide a kind of pocket fringing Sewing machines of miniaturization.And, provide and can process simply, and can adjust the pocket fringing Sewing machines of corner cut cutter location.
Summary of the invention
For addressing the above problem, the present invention's 1 described pocket fringing Sewing machines 10, have: two eedle N that can move up and down in chain-drive section 23 upper supports that are disposed at above the board portion 21 are also making the sewing machine body 20 of the two line marks parallel to each other of formation on the thing with these two eedles, keep the above-mentioned big presser feet 60 of making thing, carry the conveying mechanism 30 of above-mentioned big presser feet along the formation direction of above-mentioned two line marks, between above-mentioned two line marks, form the central cutting knife 40 of pocket openings, form the corner cut cutting knife 50 of joint-cutting at the two ends of above-mentioned pocket openings, it is characterized in that: in above-mentioned board portion, be formed with the notch 21a of the above-mentioned corner cut cutting knife of configuration.
1 described invention according to the present invention forms notch in board portion, and has disposed the corner cut cutting knife at this notch.Therefore, compare with pocket fringing Sewing machines in the past, can be the allocation position of corner cut cutting knife near board portion (suture location), and make the miniaturization of pocket fringing Sewing machines.
And pocket fringing Sewing machines of the present invention needn't be done big change to the structure of general pocket fringing Sewing machines, as long as establish notch in board portion, and can realize the allocation position of corner cut cutting knife to board portion side shifting is some.Therefore, can realize the miniaturization of pocket fringing Sewing machines with low cost.
In addition, because above-mentioned notch is set at the front edge of board portion,, and can installs at fore-and-aft direction and adjust the corner cut cutting knife so its processing is simple.
In addition, even the pocket fringing Sewing machines of a pair of corner cut cutting knife before and after the configuration, because the corner cut cutting knife at throughput direction rear is arranged in the notch, so also can make the Sewing machines miniaturization.
Description of drawings
Fig. 1 is the partial side view of the pocket fringing Sewing machines of present embodiment.
Fig. 2 is the stereogram of the major part of pocket fringing Sewing machines.
Fig. 3 is the stereogram of the major part of pocket fringing Sewing machines.
Fig. 4 is the stereogram of the major part of pocket fringing Sewing machines in the past.
Fig. 5 is the side view of the major part of pocket fringing Sewing machines in the past.
Fig. 6 (a) and figure (b) are big presser feet of expression and the figure that keeps body action.
Among the figure: N-eedle, 10-pocket fringing Sewing machines, 20-sewing machine body, 21-board portion, 21a-notch, 23-chain-drive section, 30-conveying mechanism, 40-central authorities cutting knife, 50-corner cut cutting knife, the big presser feet of 60-.
The specific embodiment
Below, with reference to the embodiment of description of drawings pocket fringing of the present invention Sewing machines 10.As Fig. 1～shown in Figure 3, pocket fringing Sewing machines 10, roughly by sewing machine body 20, conveying mechanism 30, central cutting knife 40, corner cut cutting knife 50, big presser feet 60, keep body 70 etc. to constitute.
About big presser feet 60 and the shape and the action thereof that keep body 70, since the same with in the past pocket fringing Sewing machines 10, its explanation of Therefore, omited.And, in the following description, when the pocket fringing begins, lining and fringing cloth being set in big presser feet 60 and keeping position on the body 70 as " making ready position P1 ", the position that forms two parallel stitchings with two eedle N on lining and fringing cloth as " sewing position P2 ", is formed the position of V font joint-cutting to the two ends of using the corner cut cutting knife in pocket openings as " sewing finishing position P3 ".In Fig. 1,, the big presser feet 60 at sewing finishing position P3 is expressed as big presser feet 60 (P3) being expressed as big presser feet 60 (P1) at the big presser feet 60 of making ready position P1.
On the leading edge of board portion 21, be formed with the notch 21a of the summary semicircular in shape of up/down perforation, and the corner cut cutting knife 50 at rear is configured in this notch 21a, its detailed description will be in aftermentioned.
Can be supported on two eedle N the front end of chain-drive section 23 with moving up and down, eedle N, move up and down with being located at the swaying interlock of main shaft 11 (with reference to Fig. 3) in the chain-drive section 23, form stitching being transported on lining on the sewing position P2 and the fringing cloth with this.In addition, in Fig. 3, omitted eedle N and the rotation of main shaft 11 is converted to the diagram of the up-down mechanism that eedle moves up and down.
And, in chain-drive section 23, be provided with cutter driving axle 12, and the rotation of main shaft 11 passed to cutter driving axle 12, and cutter driving axle 12 is back and forth rotated with the angle of regulation around axle by eccentric cam 13a and follower lever 13b.And, by the rotation of cutter driving axle 12 around axle is converted to the toggle 14 that moves up and down and cutter connecting rod 16 moved along the vertical direction.
In the lower end of cutter connecting rod 16, fixing by cutter bar abut 17 cutter bar 18, and make with the cutter bar 18 of the one that moves up and down of cutter connecting rod 16 and the central cutting knife 40 that is held on the cutter bar 18 and move up and down.
Be provided with needle plate 25 on workbench 24 and the positions central cutting knife 40 subtends.And, be provided with fixed cutting tool (not having diagram) in the board portion 21 below needle plate 25.Then, for lining that is transported to sewing position P2 and fringing cloth, in case central cutting knife 40 moves downwards, the front end of then central cutting knife 40 just stings lining and fringing cloth also overlaps with fixed cutting tool by the 25a of hole portion of needle plate 25.On lining, form pocket openings like this.
In addition, symbol 26 is to make and do not carry out the pocket fringing when making carrying out the pocket fringing, the move up and down conversion equipment of usefulness of the cutter bar 18 that is used to lift restrictions.
Conveying mechanism 30 is to be used for a big presser feet 60 of having fixed lining and fringing cloth state is displaced into making between ready position P1, sewing position P2 and the sewing finishing position P3 and the capable rotation motor 31 of tool, guide rail 32, moving part 33 and cursor 34 etc. being set.
Rotation motor 31 is drive sources of conveying mechanism 30, and is fixed on the vertical support component 35a in the place ahead that erects in the middle of the vertical support component 35a that the front view be located at two places, front and back above the workbench 24 slightly is the L font.
On the rotating shaft of rotation motor 31, drive pulley 36a is housed, and the top of vertical support component 35a can be installed with driven pulley 36b flexibly rotationally in by the throughput direction forward-and-rearward vertical plane of conveying mechanism 30 forwardly.
Then, by hanging over the synchronous belt 36c on drive pulley 36a and the driven pulley 36b, the rotation of drive pulley 36a is passed to driven pulley 36b.
Hang cross-support members 35b across ground between the vertical support component 35a of front and back, and in the rear and front end of this cross-support members 35b, being equipped with can be along pivoted pulley 38 flexibly in the vertical plane of fore-and-aft direction.
The belt pulley 38 in the place ahead, be connected with driven pulley 36b by the connecting axle 39 that extends along left and right directions, by connecting axle 39 rotation of driven pulley 36b is passed to the belt pulley 38 in the place ahead, and with this drive hang over before and after synchronous belt 36d on the driven pulley 38.
Moving part 33, its upper end combines with synchronous belt 36d, and moves forward and backward to throughput direction with the driving of synchronous belt 36d.
In addition, the front and back in moving part 33 upper ends, paired front view slightly is the gomphosis part 33a (the gomphosis part 33a that only represents the left side on Fig. 1 and Fig. 2) of コ word shape about having installed.This gomphosis part 33a, chimeric with the left and right sides towards the guide rail 32 that left and right directions protrudes setting from cross-support members 35b.And when the throughput direction along moving part 33 moved forward and backward, each gomphosis part 33a is direction slip forwards, backwards along guide rail 32 surfaces, guided moving parts 33 moving of direction forwards, backwards with this by guide rail 32.
At the about central portion of the fore-and-aft direction of moving part 33, the driving cylinder 37 that is used to make big presser feet 60 knee-actions is housed, and, the crotched cursor of direction support portion 33b to the left and right is housed in the lower end, rear portion of moving part 33, and connecting can be along the rotation arm 34 that rotates in the vertical plane of fore-and-aft direction on each cursor support portion 33b.
Rotating arm 34, is the prolate parts that extend of direction forwards, backwards, as mentioned above, is connected with cursor support portion 33b at about central portion of its fore-and-aft direction.And the leading section that rotates arm 34 is connected with the movable part 37a of driving cylinder 37, and rearward end contacts with big presser feet 60.
So, driving cylinder 51 is shunk, that is, the movable part 37a of driving cylinder 51 is moved upward, then rotate arm 34 just with the coupling part with moving part 33 be the center around shown in Figure 1 clockwise rotating, and big presser feet 60 is mobile downwards.Therefore,, can for example make ready position P1, drive big presser feet 60 lining is pressed in above the workbench 24 by the driving of control driving cylinder 51.
Corner cut cutting knife 50 is to form a pair of cutting knife in front and back of V font joint-cutting in the rear and front end of pocket openings portion, and is set at the below of the workbench 24 of sewing finishing position P3.
As mentioned above, among former and later two corner cut cutting knifes 50, the corner cut cutting knife 50 at its throughput direction rear is configured in the notch 21a of leading edge portion that up/down perforation is formed on board portion 21.And notch 21a is formed on and does not interfere the position that is arranged at the various devices in the board portion 21.
Bottom at each corner cut cutting knife 50, driving cylinder 51 is housed, and shown in the arrow of Fig. 1, elongation with driving cylinder 51 makes each corner cut cutting knife 50 pass through to give prominence to upward along the opening (not having diagram) that the fore-and-aft direction of workbench 24 forms, and at the formation V of the pocket openings rear and front end of the lining that is transported to sewing finishing position P3 portion font joint-cutting.
In addition, though omitted diagram, but the corner cut cutting knife 50 in the place ahead is the structure that moves of direction forwards, backwards, and can move predetermined distance to the corner cut cutting knife 50 in the place ahead according to the A/F (front and back length) of pocket, and changes the interval of two corner cut cutting knifes 50 with this.
As mentioned above, according to the described pocket fringing of present embodiment Sewing machines 10, the formation notch 21a of leading edge portion in board portion 21, and dispose the corner cut cutting knife 50 at rear at this notch 21a.Therefore, compare with pocket fringing Sewing machines in the past, its corner cut cutting knife 50 the position is set near sewing machine body 20 sides, and the conveying mechanism 30 in corner cut cutting knife 50 the place aheads the position is set also near sewing machine body 20 sides, its result can shorten the length of pocket fringing Sewing machines 10 fore-and-aft directions, and makes 10 miniaturizations of pocket fringing Sewing machines.
In addition, pocket fringing Sewing machines 10 of the present invention, the structure of in the past pocket fringing Sewing machines is not done big change, just established notch 21a in board portion 21, and the position being set can realizing to sewing machine body 20 side shiftings are some corner cut cutting knife 50 and conveying mechanism 30.Therefore, can realize 10 miniaturizations of pocket fringing Sewing machines at low cost.
In addition, the present invention is not limited to the foregoing description and can does various changes.For example, in the present embodiment, it is a pair of that corner cut cutting knife 50 is configured to front and back, and the corner cut cutting knife 50 at rear is configured in the notch 21a, but be not limited to this, also can constitute the corner cut cutting knife, and this corner cut cutting knife is configured in the notch 21a with the cutting knife that direction forwards, backwards moves.At this moment, the corner cut cutting knife at first forms V font joint-cutting either party of the rear and front end of pocket openings, moves to the opposing party end of pocket openings then, and forms V font joint-cutting in the opposing party's end.
(invention effect)
1 described invention according to the present invention forms notch in board portion, and at this notch configuration corner cut cutting knife.Therefore, compare with pocket fringing Sewing machines in the past, can the corner cut cutting knife the position is set near board portion, and make the miniaturization of pocket fringing Sewing machines.
In addition, pocket fringing Sewing machines of the present invention is not done big change to the structure of general pocket fringing Sewing machines, has just established notch in board portion, and the position being set can realizing to board portion side shifting is some the corner cut cutting knife.Therefore, can realize the miniaturization of pocket fringing Sewing machines at low cost.
Claims (3)
1. pocket fringing Sewing machines, have: two eedles that can move up and down in the chain-drive section upper support that is disposed at above the board portion and with these two eedles making the two line marks parallel to each other of formations on the thing sewing machine body, keep described and make the big presser feet of thing, carry the conveying mechanism of described big presser feet along the formation direction of described two line marks, between described two line marks the formation pocket openings central cutting knife, at the corner cut cutting knife of the two ends of described pocket openings formation joint-cutting, it is characterized in that:
In described board portion, be formed with the notch of the described corner cut cutting knife of configuration.
2. pocket fringing Sewing machines according to claim 1 is characterized in that:
Described notch is formed on the front edge of board portion.
3. pocket fringing Sewing machines according to claim 1 and 2 is provided with a pair of described corner cut cutting knife before and after the throughput direction of conveying mechanism, it is characterized in that:
The corner cut cutting knife at rear is disposed at described notch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002029494A JP2003225490A (en) | 2002-02-06 | 2002-02-06 | Sewing machine for binding |
| JP2002029494 | 2002-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1436887A true CN1436887A (en) | 2003-08-20 |
| CN100572639C CN100572639C (en) | 2009-12-23 |
Family
ID=27654702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031042465A Expired - Fee Related CN100572639C (en) | 2002-02-06 | 2003-02-08 | Pocket fringing Sewing machines |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2003225490A (en) |
| CN (1) | CN100572639C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940163B (en) * | 2005-09-30 | 2012-07-04 | 重机公司 | Pocket mouth pipe edges sewing machine |
| CN101135090B (en) * | 2006-08-31 | 2012-11-21 | Juki株式会社 | Filler rod sewing machine |
| CN103485085A (en) * | 2013-10-17 | 2014-01-01 | 际华三五四三针织服饰有限公司 | Pocket welting knife for flat bed sewing machine and flat bed sewing machine |
| CN105803685A (en) * | 2015-01-16 | 2016-07-27 | Juki株式会社 | Side seam sewing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4564373B2 (en) * | 2005-02-14 | 2010-10-20 | Ｊｕｋｉ株式会社 | sewing machine |
-
2002
- 2002-02-06 JP JP2002029494A patent/JP2003225490A/en active Pending
-
2003
- 2003-02-08 CN CNB031042465A patent/CN100572639C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940163B (en) * | 2005-09-30 | 2012-07-04 | 重机公司 | Pocket mouth pipe edges sewing machine |
| CN101135090B (en) * | 2006-08-31 | 2012-11-21 | Juki株式会社 | Filler rod sewing machine |
| CN103485085A (en) * | 2013-10-17 | 2014-01-01 | 际华三五四三针织服饰有限公司 | Pocket welting knife for flat bed sewing machine and flat bed sewing machine |
| CN103485085B (en) * | 2013-10-17 | 2015-04-22 | 际华三五四三针织服饰有限公司 | Pocket welting knife for flat bed sewing machine and flat bed sewing machine |
| CN105803685A (en) * | 2015-01-16 | 2016-07-27 | Juki株式会社 | Side seam sewing machine |
| CN105803685B (en) * | 2015-01-16 | 2020-10-20 | Juki株式会社 | Sewing machine for edge seam |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003225490A (en) | 2003-08-12 |
| CN100572639C (en) | 2009-12-23 |
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| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20110208 |