CN103352337B - Driving mechanism used for multi-needle-rod sewing machine - Google Patents
Driving mechanism used for multi-needle-rod sewing machine Download PDFInfo
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- CN103352337B CN103352337B CN201310292982.1A CN201310292982A CN103352337B CN 103352337 B CN103352337 B CN 103352337B CN 201310292982 A CN201310292982 A CN 201310292982A CN 103352337 B CN103352337 B CN 103352337B
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- shank
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- needle
- installing rack
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Abstract
The invention discloses a driving mechanism used for a multi-needle-rod sewing machine. Through a program, the rotation angle of a motor is automatically controlled, and therefore the movement position of a needle rod installation rack can be conveniently controlled. In the movement process of the needle rod installation rack, through a first horizontal guide groove and a second horizontal guide groove, all needle rods are guided, and when the motor drives the needle rod installation rack to move to a travel position, the needle rod corresponding to the travel position is driven into a clamping groove of a needle rod driving block, and the needle rod driving block drives the needle rod to work. Therefore, two or three or more needle rods can be installed on the needle rod installation rack, so that the sewing requirements for two-color patterns, three-color patterns or more-color patterns are met. The driving mechanism has the advantages of being simple in structure and performing automation control. The problem that in the pattern sewing process of a single needle rod sewing machine and a double needle rod sewing machine, due to the fact that color types of upper threads are not sufficient, the threads need to be changed manually is solved.
Description
Technical field
The present invention relates to a kind of multi-needle bar Sewing machines, specifically for the driving mechanism 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 is provided for the driving mechanism of multi-needle bar Sewing machines, simplified work structuring, and solved prior art cannot be to three shanks or problem that more more number shank drives.
The present invention solves the problems of the technologies described above adopted technical scheme: for the driving mechanism of multi-needle bar Sewing machines, comprise installing plate and shank installing rack, installing plate is fixed with motor by support, the driving shaft of described motor is connected with gear, and shank installing rack is fixed with the tooth bar being meshed with gear.
For optimizing technique scheme, the present invention also comprises following improved technical scheme.
Above-mentioned support is provided with horizontally disposed guide rail, and shank installing rack and guide rail are slidably matched.
Above-mentioned shank installing rack is provided with at least two spaced apart shanks; Each root shank can move up and down with respect to shank installing rack.
Above-mentioned installing plate is installed with the axis of guide, and the axis of guide is provided with the shank drive block that can move up and down; Shank is shaped with guide way, and shank drive block is shaped with the draw-in groove that can fasten with guide way.
Above-mentioned installing plate is provided with the first guide pad and the second guide pad in the both sides of shank drive block; The first guide pad is shaped with first horizontal guide slot that can be slidably matched with guide way; The second guide pad is shaped with second horizontal guide slot that can be slidably matched with guide way.
Above-mentioned shank is fixed with card column by shank anchor ear, and guide way is positioned in card column.
Above-mentioned shank installing rack has vertical chute; Card column has the slide body being slidably matched with chute.
Above-mentioned shank installing rack is provided with three shanks, and motor, by gear and rack-driving, can be sent each shank into separately draw-in groove.
Compared with prior art, the driving mechanism for multi-needle bar Sewing machines of the present invention, by the rotational angle of programming automation control motor, can control the movement position of shank installing rack easily.In the motion process of shank installing rack, by the first horizontal guide slot and the second horizontal guide slot, each shank is led, in the time that motor drives shank installing rack to move to a certain travel position, just shank corresponding the trip position is sent into the draw-in groove of shank drive block, and by the 5 drive work of shank drive block.Therefore, shank installing rack can have two, three or the more shanks of installation, and can drive any shank to snap in draw-in groove by driving mechanism to enter duty, thereby meet the sewing demand of two colored patterns, trichromatic diagram case or most patterns, and there is simple in structure, automation control, solve single needle rod sewing machine inadequate with two needle rod sewing machine upper thread color categories in pattern sewing process, needed the problem of manual thread-changing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Figure 1 shows that structural representation of the present invention.
Reference numeral is wherein: installing plate 1, the first horizontal guide slot 11, the second horizontal guide slot 12, the first guide pad 13, the second guide pad 14, support 2, guide rail 21, slide block 22, shank installing rack 3, shank axle sleeve 31, shank 4, card column 41, guide way 41a, slide body 41b, shank anchor ear 42, shank drive block 5, draw-in groove 5a, the axis of guide 51, motor 7, gear 71, tooth bar 72.
The present invention, for the driving mechanism of multi-needle bar Sewing machines, comprises the installing plate 1 that is positioned at sewing machine head front end.Installing plate 1 is slided and is fitted with shank installing rack 3 by support 2.On support 2, be fixed with horizontally disposed guide rail 21, shank installing rack 3 is connected with the slide block 22 on guide rail 21.
Installing plate 1 is installed with motor 7 by support 2, and the driving shaft of motor 7 is connected with gear 71.On shank installing rack 3, be provided with the tooth bar 72 being meshed with gear 71.
Shank installing rack 3 is provided with at least two shanks 4 spaced apart.Every shank 4 respectively with 3 axial sliding fits of shank installing rack, can move up and down with respect to shank installing rack 3.Shank number of the present invention is preferably two to four, and every shank 4 is all equipped with eedle, and every eedle can be selected a kind of upper thread of color.
Installing plate 1 is fixed with the axis of guide 51, and shank drive block 5 is slidably arranged on the vertical axis of guide 51.Upper axle and shank drive link assembly by Sewing machines can drive shank drive block 5 to move up and down along the axis of guide 51.Shank 4 is shaped with guide way 41a, and shank drive block 5 is shaped with the draw-in groove 5a that can fasten with guide way 41a.When a certain shank 4 is under driving mechanism drives, while snapping in draw-in groove 5a, just can move up and down and carry out sewing work.
Installing plate 1 is provided with the first guide pad 13 and the second guide pad 14 in the both sides of shank drive block 5.The first guide pad 13 is shaped with first horizontal guide slot 11 that can be slidably matched with guide way 41a.The second guide pad 14 is shaped with second horizontal guide slot 12 that can be slidably matched with guide way 41a.
When shank 4 that switch operating is used, upper axle drives shank drive block 5 to rest on definite height, makes draw-in groove 5a and the first horizontal guide slot 11 and the second horizontal guide slot 12 be positioned at same level.Shank installing rack 3 is during along guide rail 21 horizontal movement, drive shank 4 to move along the first horizontal guide slot 11, draw-in groove 5a and the second horizontal guide slot 12, while needing the specific shank 4 of certain root to enter duty, shank installing rack 3 just moves to corresponding travel position, and this specific shank 4 is snapped in draw-in groove 5a.Under the drive of shank drive block 5, this shank 4 just can move up and down and enter duty.
The present invention can by programming automation control the angle that motor 7 rotates, thereby control the travel position of shank installing rack 3.No matter shank installing rack 3 is provided with two, the three still shanks 4 of more number more, drive shank installing rack 3 by motor 7, can make any shank 4 snap in draw-in groove 5a, thereby meet the sewing demand of two colored patterns, trichromatic diagram case or most patterns.
Every shank 4 is all fixedly connected with card column 41, and guide way 41a is positioned in card column 41.Every 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 3 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.
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 (7)
1. for the driving mechanism of multi-needle bar Sewing machines, comprise installing plate (1) and shank installing rack (3), it is characterized in that: described shank installing rack (3) is provided with at least two spaced apart shanks (4); Each root shank (4) can move up and down with respect to shank installing rack (3); Described installing plate (1) is fixed with motor (7) by support (2), the driving shaft of described motor (7) is connected with gear (71), and described shank installing rack (3) is fixed with the tooth bar (72) being meshed with gear (71).
2. the driving mechanism for multi-needle bar Sewing machines according to claim 1, it is characterized in that: described support (2) is provided with horizontally disposed guide rail (21), described shank installing rack (3) is slidably matched with guide rail (21).
3. the driving mechanism for multi-needle bar Sewing machines according to claim 2, it is characterized in that: described installing plate (1) is installed with the axis of guide (51), the described axis of guide (51) is provided with the shank drive block (5) that can move up and down; Described shank (4) is shaped with guide way (41a), and described shank drive block (5) is shaped with the draw-in groove (5a) that can fasten with guide way (41a).
4. the driving mechanism for multi-needle bar Sewing machines according to claim 3, is characterized in that: described installing plate (1) is provided with the first guide pad (13) and the second guide pad (14) in the both sides of shank drive block (5); Described the first guide pad (13) is shaped with first horizontal guide slot (11) that can be slidably matched with guide way (41a); Described the second guide pad (14) is shaped with second horizontal guide slot (12) that can be slidably matched with guide way (41a).
5. the driving mechanism for multi-needle bar Sewing machines according to claim 4, it is characterized in that: described shank (4) is fixed with card column (41) by shank anchor ear (42), described guide way (41a) is positioned in card column (41).
6. the driving mechanism for multi-needle bar Sewing machines according to claim 5, is characterized in that: described shank installing rack (3) has vertical chute; Described card column (41) has the slide body (41b) being slidably matched with chute.
7. the driving mechanism for multi-needle bar Sewing machines according to claim 6, it is characterized in that: described shank installing rack (3) is provided with three shanks (4), described motor (7), by gear (71) and tooth bar (72) transmission, can be sent into each shank (4) separately draw-in groove (5a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310292982.1A CN103352337B (en) | 2013-07-12 | 2013-07-12 | Driving mechanism used for multi-needle-rod sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310292982.1A CN103352337B (en) | 2013-07-12 | 2013-07-12 | Driving mechanism used for multi-needle-rod sewing machine |
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| Publication Number | Publication Date |
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| CN103352337A CN103352337A (en) | 2013-10-16 |
| CN103352337B true CN103352337B (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310292982.1A Active CN103352337B (en) | 2013-07-12 | 2013-07-12 | Driving mechanism used for multi-needle-rod sewing machine |
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Families Citing this family (2)
| 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 |
| CN104674470B (en) * | 2015-02-09 | 2017-02-22 | 苏州翰德利机电科技有限公司 | Sewing device for multi-needle-rod switching |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4858548A (en) * | 1986-02-03 | 1989-08-22 | Maquinas De Coser Alfa, S.A. | Needle bar and feed drives for a zig-zag sewing machine |
| JP2003210885A (en) * | 2002-01-22 | 2003-07-29 | Shoichi Kagami | Drive unit for sewing machine |
| CN2923774Y (en) * | 2006-04-14 | 2007-07-18 | 浙江宝石缝纫机股份有限公司 | Motor-type needle-bar switching-over switch of corner sewing machine |
| CN202139414U (en) * | 2011-04-22 | 2012-02-08 | 建联缝衣机股份有限公司 | Structural improvement of sewing machine |
| CN203360797U (en) * | 2013-07-12 | 2013-12-25 | 宁波舒普机电科技有限公司 | Drive mechanism for multi-needle-rod sewing machine |
-
2013
- 2013-07-12 CN CN201310292982.1A patent/CN103352337B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4858548A (en) * | 1986-02-03 | 1989-08-22 | Maquinas De Coser Alfa, S.A. | Needle bar and feed drives for a zig-zag sewing machine |
| JP2003210885A (en) * | 2002-01-22 | 2003-07-29 | Shoichi Kagami | Drive unit for sewing machine |
| CN2923774Y (en) * | 2006-04-14 | 2007-07-18 | 浙江宝石缝纫机股份有限公司 | Motor-type needle-bar switching-over switch of corner sewing machine |
| CN202139414U (en) * | 2011-04-22 | 2012-02-08 | 建联缝衣机股份有限公司 | Structural improvement of sewing machine |
| CN203360797U (en) * | 2013-07-12 | 2013-12-25 | 宁波舒普机电科技有限公司 | Drive mechanism for multi-needle-rod sewing machine |
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| CN103352337A (en) | 2013-10-16 |
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Effective date of registration: 20160112 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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| CP01 | Change in the name or title of a patent holder |
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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