CN103352336B - Multi-needle-bar sewing machine - Google Patents
Multi-needle-bar sewing machine Download PDFInfo
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- CN103352336B CN103352336B CN201310292976.6A CN201310292976A CN103352336B CN 103352336 B CN103352336 B CN 103352336B CN 201310292976 A CN201310292976 A CN 201310292976A CN 103352336 B CN103352336 B CN 103352336B
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- shank
- installing rack
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- bar
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Abstract
The invention discloses a multi-needle-bar sewing machine which is provided with at least two needle bars. A double-needle-bar structure or a three-needle-bar structure or a four-needle-bar structure is preferably adopted, and the problems that as for an existing sewing machine, upper thread color kinds are not enough in the pattern sewing process, and threads need to be replaced manually are solved. According to the multi-needle-bar sewing machine, a guide groove is adopted to guide each needle bar, therefore, a driving mechanism can conveniently convey a specific needle bar into a clamping groove of a needle bar clamping seat, the specific needle bar is made to be in linkage with an upper shaft and a needle-bar-driven connecting bar assembly to perform sewing work, and the multi-needle-bar sewing machine has the advantages of being simple in structure and controlled in an automated mode.
Description
Technical field
The present invention relates to a kind of Sewing machines, specifically a kind of multi-needle bar Sewing machines.
Background technology
Existing Sewing machines, generally includes axle, and upper axle drives a shank to move up and down by shank drive link assembly, and shank penetrates the pin hole on needle plate in the time moving up and down, and makes upper thread and is arranged on bottom line on end shuttle and coordinates cloth is sewed up.Along with the raising of sewing processing request, sometimes on cloth, sew and need to use the upper thread of different colours, add the artificial thread-changing of man-hour requirement in sewing like this, complex operation, the working (machining) efficiency that causes sewing is low.
Utility model title: the shank of two-needle sewing machine and switching mechanism thereof, application number: 201120342948, a kind of shank and switching mechanism thereof of two-needle sewing machine are disclosed, shank comprises a hollow shank body, the lower end of shank body is fixedly connected with one for the shank head of eedle is installed, in described shank body, be equiped with successively back-moving spring, the first voussoir, the second voussoir and switching depression bar, expose in shank body the upper end of switching depression bar, the tip of the first voussoir down, the tip of the second voussoir upward, on the sidewall of shank body, offer the first through hole corresponding to the position of the first voussoir, in the first through hole, be provided with the first slide block, on the sidewall of shank body, offer the second through hole corresponding to the position of the second voussoir, in the second through hole, be provided with the second slide block.Shank switching mechanism comprises shank, needle bar frame, shank cover, needle bar drive device and switching briquetting, and shank cover is connected with needle bar drive device, and needle bar frame is also connected with translating device.The crosspointer bar of this utility model technology can wear the upper thread of two kinds of different colours, therefore can once sew and have the pattern of two kinds of colors, has exempted the trouble of manual thread-changing.But this crosspointer bar complex structure, requirement on machining accuracy is high, and therefore manufacturing cost is large; And in the time of the pattern of more than three kinds or the three kinds color of sewing, still need manual thread-changing.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provide a kind of multi-needle bar Sewing machines, can realize two shanks, three shanks and even the more co-ordination of multi-needle bar, can make two kinds, three kinds or more colors pattern, exempt the trouble of manual thread-changing.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of multi-needle bar Sewing machines, comprise and rotate the shank drive link assembly that is arranged at the upper axle in head and is connected with upper axle, it is characterized in that: have the first guide pad and the second guide pad that are fixedly installed with respect to head, the first guide pad and the second guide pad are shaped with respectively the gathering sill of horizontal direction; Have the shank deck of being located between the first guide pad and the second guide pad and moving up and down along the axis of guide, shank deck is shaped with the draw-in groove of horizontal direction, and shank deck is connected with shank drive link assembly; Have the shank group that at least two shanks form, the shank in described shank group and gathering sill are slidably matched and arbitrary shank can slip into separately draw-in groove.
For optimizing technique scheme, the present invention also comprises following improved technical scheme.
Above-mentioned multi-needle bar Sewing machines has can be with respect to the shank installing rack of head horizontal slip, and each shank of described shank group is disposed on shank installing rack, and with the axial sliding fit of shank installing rack.
Above-mentioned shank is provided with the card column being fixedly connected with the body of rod, and card column has the guide way being slidably matched with gathering sill.
Above-mentioned shank installing rack has vertical chute, and card column has the slide body being slidably matched with chute.
Above-mentioned multi-needle bar Sewing machines has the installing rack being fixedly installed with respect to head, and installing rack is fixed with the guide rail of horizontal direction, and shank installing rack is connected with the slide block on guide rail.
Above-mentioned multi-needle bar Sewing machines has the driving mechanism that drives the horizontal slip of shank installing rack.
Above-mentioned driving mechanism comprises the air cylinder group that at least one cylinder forms.
Above-mentioned driving mechanism comprises motor, the gear being connected with motor, and be arranged on the tooth bar being meshed on shank installing rack and with gear.
Above-mentioned shank group has three shanks, and driving mechanism comprises the first cylinder and the second cylinder that two cylinder bodies join.
Compared with prior art, multi-needle bar Sewing machines of the present invention, has at least two shanks, preferably adopts the structure of crosspointer bar, three shanks or four shanks, solve existing Sewing machines upper thread color category in pattern sewing process insufficient, needed the problem of manual thread-changing.This multi-needle bar Sewing machines adopts gathering sill to lead to each shank, facilitate driving mechanism specific shank to be sent in the draw-in groove of shank deck, make it to carry out sewing work with upper axle and the interlock of shank drive link assembly, there is simple in structure, automation control.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention 1.
Fig. 2 is the assembling decomposing schematic representation of Fig. 1.
Fig. 3 is the structural representation of the embodiment of the present invention 2.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is to Figure 3 shows that structural representation of the present invention.
Reference numeral is wherein: head 1, head installing plate 11, the first guide pad 21, the second guide pad 22, gathering sill 23, shank deck 3, draw-in groove 3a, the axis of guide 31, shank 4, card column 41, guide way 41a, slide body 41b, shank anchor ear 42, shank installing rack 5, shank axle sleeve 51, air cylinder group 6, the first cylinder 61, the second cylinder 62, motor 7, gear 71, tooth bar 72, installing rack 8, guide rail 81, slide block 82.
Following embodiment 1 is preferred embodiment.
Multi-needle bar Sewing machines of the present invention, comprise and rotate the shank drive link assembly that is arranged at the upper axle in head 1 and is connected with upper axle, and there is the first guide pad 21 of being fixedly installed with respect to head 1 and the second guide pad 22, the first guide pads 21 and the second guide pad 22 and be shaped with respectively the gathering sill 23 of horizontal direction; Have the shank deck 3 of being located between the first guide pad 21 and the second guide pad 22 and moving up and down along the axis of guide 31, shank deck 3 is shaped with the draw-in groove 3a of horizontal direction, and shank deck 3 is connected with shank drive link assembly; Have the shank group that at least two shanks 4 form, the shank 4 in shank group is slidably matched with gathering sill 23 and arbitrary shank 4 can slip into separately draw-in groove 3a.
Assembling exploded view as shown in Figure 2, head installing plate 11 can add to be installed on head 1, also can be made into integration with head 1.
The first guide pad 21 and the second guide pad 22 intervals are fixed on head installing plate 11.Shank deck 3, between the first guide pad 21 and the second guide pad 22, and can move up and down along the axis of guide 31.Shank deck 3 is connected with shank drive link assembly.When upper axle work is rotated, drive shank deck 3 to move up and down along the axis of guide 31 by shank drive link assembly.
The stop position of setting upper axle while shutdown, can make shank deck 3 be positioned at a definite height and position.Now, the draw-in groove 3a of the gathering sill 23 of the first guide pad 21, shank deck 3 and the gathering sill 23 of the second guide pad 22 are positioned in same level.Shank 4 in shank group can slidably reciprocate along gathering sill 23 and draw-in groove 3a, and can guarantee that any shank 4 can slip into separately the draw-in groove 3a of shank deck 3.In the time having a shank 4 to slip into draw-in groove 3a, under upper axle drives, just can drive the work that moves up and down of this shank 4.
In the present embodiment, this multi-needle bar Sewing machines has can be with respect to the shank installing rack 5 of head 1 horizontal slip, and each shank 4 of shank group is disposed on shank installing rack 5, and with 5 axial sliding fits of shank installing rack.
As shown in Figure 2, shank installing rack 5 is provided with shank axle sleeve 51, the shank 4 in shank group respectively with shank installing rack 5 on shank axle sleeve 51 be slidably matched, every shank 4 can be done independent moving up and down with respect to shank installing rack 5.
In the present embodiment, shank group preferably adopts three shanks 4.Each root shank 4 is provided with the card column 41 being fixedly connected with the body of rod.Shank 4 is fixed with two shank anchor ears 42, by the fixing card column 41 of shank anchor ear 42.Card column 41 also can be made into integration with the body of rod of shank 4.
Shank installing rack 5 has vertical chute, and card column 41 has the slide body 41b being slidably matched with chute, so that shank 4 improves stability in the time moving up and down, extends working life.
Multi-needle bar Sewing machines has the installing rack 8 being fixedly installed with respect to head 1, and installing rack 8 can be fixedly connected with head installing plate 11, also can directly be fixedly connected with head 1 housing.
Installing rack 8 is fixed with the guide rail 81 of horizontal direction, and shank installing rack 5 is connected with the slide block 82 on guide rail 81.
Multi-needle bar Sewing machines has the driving mechanism that drives 5 horizontal slips of shank installing rack.Drive 5 horizontal movements of shank installing rack by driving mechanism, can select the shank 4 of needs, the draw-in groove 3a that makes it to slip into shank deck 3 is to enter duty.
Because the present embodiment has three shanks 4, therefore shank installing rack 5 need to have three definite travel position, while making shank installing rack 5 move to one of them travel position, just the guide way 41a of a shank 4 of correspondence is snapped in draw-in groove 3a.
In the present embodiment, driving mechanism comprises the first cylinder 61 and the second cylinder 62 that two cylinder bodies join.After the cylinder body of the first cylinder 61 and the second cylinder 62 joins, the drive rod of the first cylinder 61 is connected with head installing plate 11, and the drive rod of the second cylinder 62 is connected with shank installing rack 5.Like this, when the drive rod of the first cylinder 61 and the second cylinder 62 is all when retraction cylinder body, shank installing rack 5 moves to the most left stroke position, and makes the shank 4 of the shank group rightmost side snap in draw-in groove 3a; When the first cylinder 61 and second cylinder 62 one of them drive rod retraction cylinder body, when another drive rod stretches out cylinder body, shank installing rack 5 moves to middle of stroke position, and makes the shank 4 in the middle of shank group snap in draw-in groove 3a; In the time that the drive rod of the first cylinder 61 and the second cylinder 62 all stretches out cylinder body, shank installing rack 5 moves to the rightest stroke position, and makes the shank 4 of the shank group leftmost side snap in draw-in groove 3a.
Below embodiment 2.
The present embodiment is on the basis of embodiment 1, and driving mechanism has been done to improvement.As shown in Figure 3, the driving mechanism of the present embodiment comprises motor 7, the gear 71 being connected with motor 7, and be arranged on the tooth bar 72 being meshed on shank installing rack 5 and with gear 71.The angle of rotating by controlling motor 7, can control shank installing rack 5 and move between three stroke positions, to select corresponding shank 4 to snap in draw-in groove 3a.For the driving mechanism in the present embodiment, can also realize shank installing rack 5 and move between two or more strokes position, to adapt to the shank group of different shank numbers.
Below embodiment 3.
The present embodiment is on the basis of embodiment 1, and the shank number in shank group is reduced to two.Driving mechanism adopts a cylinder just can control shank installing rack 5 and moves between two stroke positions.
Below embodiment 4.
The present embodiment is on the basis of embodiment 1, and the shank number in shank group is increased to four.Driving mechanism adopts three structures that cylinder straight line is connected, just can control shank installing rack 5 and move between four stroke positions.Each cylinder of driving mechanism can also guide its motion by guide rail and slide block structure.
Most preferred embodiment of the present invention is illustrated, and the various variations of being made by those of ordinary skills or remodeling can not depart from the scope of the present invention.
Claims (5)
1. a multi-needle bar Sewing machines, comprise and rotate the upper axle being arranged in head (1) and the shank drive link assembly being connected with upper axle, it is characterized in that: have the first guide pad (21) and the second guide pad (22) that are fixedly installed with respect to head (1), described the first guide pad (21) and the second guide pad (22) are shaped with respectively the gathering sill (23) of horizontal direction; There is the shank deck (3) of being located between the first guide pad (21) and the second guide pad (22) and moving up and down along the axis of guide (31), described shank deck (3) is shaped with the draw-in groove (3a) of horizontal direction, and shank deck (3) is connected with shank drive link assembly; Have the shank group that at least two shanks (4) form, the shank (4) in described shank group is slidably matched with gathering sill (23) and arbitrary shank (4) can slip into separately described draw-in groove (3a); Having can be with respect to the shank installing rack (5) of head (1) horizontal slip; It is upper that each shank (4) of described shank group is disposed on shank installing rack (5), and with shank installing rack (5) axial sliding fit; Have the driving mechanism that drives shank installing rack (5) horizontal slip, described driving mechanism comprises the air cylinder group (6) that at least one cylinder forms.
2. a kind of multi-needle bar Sewing machines according to claim 1, it is characterized in that: described shank (4) is provided with the card column (41) being fixedly connected with the body of rod, described card column (41) has the guide way (41a) being slidably matched with gathering sill (23).
3. a kind of multi-needle bar Sewing machines according to claim 2, is characterized in that: described shank installing rack (5) has vertical chute, and described card column (41) has the slide body (41b) being slidably matched with chute.
4. a kind of multi-needle bar Sewing machines according to claim 1, it is characterized in that: there is the installing rack (8) being fixedly installed with respect to head (1), described installing rack (8) is fixed with the guide rail (81) of horizontal direction, and described shank installing rack (5) is connected with the slide block (82) on guide rail (81).
5. a kind of multi-needle bar Sewing machines according to claim 1, is characterized in that: described shank (4) has three, and described driving mechanism comprises the first cylinder (61) and the second cylinder (62) that two cylinder bodies join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310292976.6A CN103352336B (en) | 2013-07-12 | 2013-07-12 | Multi-needle-bar sewing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310292976.6A CN103352336B (en) | 2013-07-12 | 2013-07-12 | Multi-needle-bar sewing machine |
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| CN103352336A CN103352336A (en) | 2013-10-16 |
| CN103352336B true CN103352336B (en) | 2014-07-02 |
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| CN201310292976.6A Active CN103352336B (en) | 2013-07-12 | 2013-07-12 | Multi-needle-bar sewing machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361899B (en) * | 2013-07-12 | 2014-05-21 | 宁波舒普机电科技有限公司 | Multi-needle bar module for sewing machine |
| CN105696214B (en) * | 2016-03-08 | 2018-01-23 | 常州智谷机电科技有限公司 | Double-colored switching mechanism |
| CN113604975B (en) * | 2021-07-30 | 2022-09-27 | 安徽咏鹅家纺股份有限公司 | Quilting device of multicolor quilting machine and control method thereof |
| CN113774581A (en) * | 2021-08-17 | 2021-12-10 | 溆浦县多爱申服饰有限公司 | Multi-needle sewing machine for clothing production |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203403259U (en) * | 2013-07-12 | 2014-01-22 | 宁波舒普机电科技有限公司 | Sewing machine with multiple needle rods |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5554992A (en) * | 1978-10-17 | 1980-04-22 | Tokai Ind Sewing Machine | Needle rod holder in multiineedle sewing machine |
| DE3309608C1 (en) * | 1983-03-17 | 1984-01-26 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Thread changing device for sewing machines |
| JPH09285676A (en) * | 1996-04-24 | 1997-11-04 | Brother Ind Ltd | Sewing machine needle jumping mechanism |
| CN202064147U (en) * | 2011-03-18 | 2011-12-07 | 杭州经纬电子机械制造股份有限公司 | Needle rod disconnecting gear for locking-type machine |
| CN202430454U (en) * | 2011-09-14 | 2012-09-12 | 新杰克缝纫机股份有限公司 | Needle bar of double needle sewing machine and switching mechanism thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203403259U (en) * | 2013-07-12 | 2014-01-22 | 宁波舒普机电科技有限公司 | Sewing machine with multiple needle rods |
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Effective date of registration: 20160113 Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: NINGBO SUPREME ELECTRONIC MACHINERY CO., LTD. Address before: 315100 No. 528 Jin Yuan Road, Yinzhou investment center, Ningbo, Zhejiang, Yinzhou District Patentee before: Ningbo Supreme Electronic Technology Co., Ltd. |
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Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: Shupu Intelligent Technology Co.,Ltd. Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee before: NINGBO SUPREME ELECTRONIC MACHINERY Inc. |
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