CN201245765Y - Switching mechanism for feed part of two-needle sewing machine - Google Patents
Switching mechanism for feed part of two-needle sewing machine Download PDFInfo
- Publication number
- CN201245765Y CN201245765Y CNU200820121171XU CN200820121171U CN201245765Y CN 201245765 Y CN201245765 Y CN 201245765Y CN U200820121171X U CNU200820121171X U CN U200820121171XU CN 200820121171 U CN200820121171 U CN 200820121171U CN 201245765 Y CN201245765 Y CN 201245765Y
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- connecting rod
- balancing point
- feeding
- sewing machine
- switching mechanism
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Abstract
The utility model provides a switching mechanism at the feeding place of a double-needle sewing machine, which belongs to the technical field of machinery. The utility model solves the problems of the prior double needle sewing machine, for example, the use of the switching mechanism is not convenient and universal. The switching mechanism at the feeding place of the double needle sewing machine is arranged between a feeding shaft and a needle vibrating shaft of the double needle sewing machine; a needle vibrating connection rod is arranged between the feeding shaft and the needle vibrating shaft; two ends of the needle vibrating connection rod are respectively hinged on the lateral part of the feeding shaft and on the needle vibrating shaft; a clutch mechanism 1 is arranged between the needle vibrating connection rod and a sewing machine frame, and enables the two to be connected or separated; and a clutch mechanism 2 is arranged between the needle vibrating connection rod and the feeding shaft, and enables the two to be connected or separated. The switching of the feeding status can be realized only by operating the clutch mechanism 1 and the clutch mechanism 2 while replacing a needle plate and a feeding tooth. The switching mechanism at the feeding place of the double needle sewing machine has the advantages of wide range of application, simple structure and low cost.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the switching mechanism of feeding place in a kind of two-needle sewing machine, particularly two-needle sewing machine.
Background technology
Two-needle sewing machine is widely used in the industrial sewing operation, and traditional two-needle sewing machine generally adopts pin feeding and following feeding feeding simultaneously.Wherein the pin feeding is that suture needle drive cloth moves, and feeding is to carry out feeding by the feeding tooth of swinging down.
As can be seen, the feeding simultaneously of traditional two-needle sewing machine has good synchronism, but when relatively thinner cloth etc. sewed, cloth was wrinkling easily under the effect of pin feeding and following feeding.Obviously, can influence after wrinkling sewing quality, but also feasible stitching of sewing on cloth is not attractive in appearance.
Along with the segmentation in market and the intensive management of apparel industry, a two-needle sewing machine is often only used in specific operation, and different operation in the different production line in different enterprises and the same enterprise, the different Sewing machines of sewing there is different requirements.Such as the enterprise that produces winter and produce the dress ornament in summer,, clearly in adoption process, need to consider of the requirement of the performance of Sewing machines to sewing because the thickness of cloth differs.That is to say, need adopt a kind of specific two-needle sewing machine than grenadine, and thicker cloth needs to adopt another specific two-needle sewing machine.
So just caused the multiple two-needle sewing machine of needs buyings could satisfy the demand of enterprise itself, clearly, increased like this enterprise production cost, take too much space, enterprise is caused certain burden.
Summary of the invention
The purpose of this utility model is at existing in prior technology the problems referred to above, and a kind of switching mechanism that makes feeding place in the two-needle sewing machine that two-needle sewing machine is easy to use, applicability is higher is provided.
The purpose of this utility model can realize by following technical proposal: the switching mechanism of feeding place in a kind of two-needle sewing machine, be arranged between the feed spool and balancing point axle of two-needle sewing machine, feed spool and feeding tooth are connected, the balancing point axle is connected with suture needle, be provided with a power transmission shaft that is connected with power section between feed spool and the balancing point axle, be fixed with cam on the power transmission shaft, one end of a connecting rod is enclosed within on the cam, the other end of connecting rod is hinged with drive link, the other end and the feed spool of drive link are hinged, it is characterized in that, be provided with the balancing point connecting rod between described feed spool and the balancing point axle, the two ends of balancing point connecting rod are articulated in respectively on feed spool sidepiece and the balancing point axle, be provided with the clutch one that can make both be connected or separate between described balancing point connecting rod and the sewing machine frame, be provided with the clutch two that can make both be connected or separate between described balancing point connecting rod and the feed spool.
Switching mechanism by feeding place in this two-needle sewing machine can make two-needle sewing machine be in the state of feeding state down or feeding down, the synchronous feeding of pin feeding.
Power transmission shaft is connected with power section, as motor etc.
Particularly, by clutch one balancing point connecting rod and frame are fixed together, clutch two makes balancing point connecting rod and feed spool be in released state simultaneously.Power section drives in the cam rotation process, and connecting rod drives feed spool swing by drive link along with together swing in the connecting rod swing process.The balancing point connecting rod can be along with swing in the feed spool rotation process, i.e. suture needle only moves up and down, and does not participate in feeding.While has been realized time feeding by the horizontal movement of the swing generation of feed spool and the acting in conjunction that moves up and down that the work feed eccentric cam on the power transmission shaft produces, and is promptly single by the feeding of feeding tooth.
On the contrary, separate with frame when clutch one makes the balancing point connecting rod, clutch two is fixed together balancing point connecting rod and feed spool simultaneously.Power section drives in the cam rotation process, and connecting rod drives feed spool swing by drive link along with together swing in the connecting rod swing process.Driving the balancing point connecting rod in the feed spool swing process together swings.Obviously, the balancing point connecting rod can that is to say that following feeding and pin feeding are synchronous along with together swing.
In the switching mechanism of feeding place, described clutch one comprises screw and the switch piece that is connected on the frame in above-mentioned two-needle sewing machine, and above-mentioned balancing point connecting rod is connected on the switch piece by screw.
When screw links together balancing point connecting rod and switch piece, because switch piece is connected on the frame.So just make that the balancing point connecting rod has been fixed firmly.
As another situation, in the switching mechanism of feeding place, described clutch one is a screw in above-mentioned two-needle sewing machine, and above-mentioned balancing point connecting rod is connected on the frame by screw.Screw just makes balancing point connecting rod and frame be in the state that is connected after balancing point connecting rod and frame are linked together; On the contrary, screw is eased out balancing point connecting rod and frame and be in released state.
In above-mentioned two-needle sewing machine in the switching mechanism of feeding place, described clutch two is screw and tubular sleeve, the sidepiece of described sleeve has breach, jacket casing is connected on the above-mentioned feed spool, screw is connected on two edges of sleeve indentation, there, and an end of above-mentioned balancing point connecting rod is articulated in the sleeve sidepiece.Tighten screw and just can make the indentation, there closure of sleeve, that is to say to make sleeve be connected on the feed spool firmly; Thereby make in the feed spool swing process, drive the balancing point connecting rod by sleeve and together swing.On the contrary, unclamp screw after the sleeve sky be enclosed within on the feed spool, make sleeve can together not swing in the feed spool swing process.
As another situation, in the switching mechanism of feeding place, described clutch two is a screw in above-mentioned two-needle sewing machine, and an end of above-mentioned balancing point connecting rod is articulated on the feed spool by screw.
After screw unloaded, the balancing point connecting rod was not connected with feed spool, makes balancing point connecting rod and feed spool be in released state.In the feed spool swing process, the balancing point connecting rod can be along with swing; On the contrary, with making balancing point connecting rod and feed spool link together after the screw connection, will drive the balancing point connecting rod in the feed spool swing process and together swing by screw.
In the switching mechanism of feeding place, described balancing point connecting rod is made up of connecting rod one and connecting rod two in above-mentioned two-needle sewing machine, and connecting rod one is hinged with connecting rod two.Make the balancing point connecting rod to swing smoothly by connecting rod one and connecting rod two in the feed spool swing process.
In the switching mechanism of feeding place, described drive is made up of core wheel and belt wheel in above-mentioned two-needle sewing machine, and core wheel is connected mutually with above-mentioned power transmission shaft, and belt wheel is enclosed within on the core wheel and both are connected mutually by screw.When the feeding state of switch dual needle sewing machine, make belt wheel rotate 180 degree with respect to core wheel accordingly, under the situation of not readjusting the rotating shuttle position, rotating shuttle can collude line equally accurately like this, thereby the adjustment that has made things convenient for user's feeding to switch has reduced the user and has adjusted the time.
In the switching mechanism of feeding place, described belt wheel is connected by three screws with core wheel in above-mentioned two-needle sewing machine.Six screwed holes on the belt wheel core are symmetrically distributed, that is to say that the belt wheel core rotates 180 degree with respect to belt wheel after, 3 screw fixed holes, 3 screwed holes on still can the alignment pulleys core on the belt wheel.
Compared with prior art, the switching mechanism of feeding place just needs operation clutch one and clutch two in this two-needle sewing machine, change needle plate and feeding tooth simultaneously and can realize the conversion of feeding state, therefore, it makes that not only the two-needle sewing machine scope of application is wider, and also simple and easy to do in the actual converted process.
Simultaneously, this switching mechanism only is made up of balancing point connecting rod and screw etc., so its is simple in structure, and cost is lower, has advantages of high practicability.
Description of drawings
Fig. 1 is the contour structures schematic diagram with two-needle sewing machine of the switching mechanism of feeding place in this two-needle sewing machine.
Fig. 2 is the switching mechanism perspective view of feeding place in this two-needle sewing machine.
Fig. 3 is the perspective view at another visual angle of switching mechanism of feeding place in this two-needle sewing machine.
Fig. 4 is the side-looking structural representation of the switching mechanism of feeding place in this two-needle sewing machine.
Fig. 5 is the perspective view of drive in the switching mechanism of feeding place in this two-needle sewing machine.
Among the figure, 1, frame; 2, power spindle; 3, power transmission shaft; 3a, cam; 4, drive; 4a, core wheel; 4b, belt wheel; 5, driving belt; 6, needle plate; 7, feeding tooth; 8, connecting rod; 9, drive link; 10, balancing point axle; 11, balancing point connecting rod; 11a, connecting rod one; 11b, connecting rod two; 12, feed spool; 13, clutch one; 13a, switch piece; 14, clutch two; 14a, sleeve; 15, screw.
The specific embodiment
As Fig. 1 and Fig. 2 and shown in Figure 3, two-needle sewing machine comprises a frame 1, is provided with power spindle 2 in frame 1, and power spindle 2 is connected with motor.The bottom of power spindle 2 also is provided with a power transmission shaft 3, and power transmission shaft 3 is connected with driving belt 5 by drive 4 with power spindle 2.
Feed spool 12 is positioned at needle plate 6 bottoms, and needle plate 6 places have feeding tooth 7, and feeding tooth 7 is connected mutually with feed spool 12.Be provided with connecting rod 8 and drive link 9 between power transmission shaft 3 and the feed spool 12, be fixed with cam 3a on the power transmission shaft 3, an end of connecting rod 8 is enclosed within on the cam 3a, and an end of drive link 9 and connecting rod 8 one ends are hinged, and the other end of drive link 9 and feed spool 12 are hinged.
Suture needle place of two-needle sewing machine also is connected with a balancing point axle 10, is provided with balancing point connecting rod 11 between balancing point axle 10 and the feed spool 12.The two ends of balancing point connecting rod 11 are hinged on balancing point axle 10 and feed spool 12 places respectively.
As Fig. 2 and Fig. 3 and shown in Figure 4, the switching mechanism of feeding place is the clutch of being located between balancing point connecting rod 11 and the frame 11 in this two-needle sewing machine, and clutch 1 can make balancing point connecting rod 11 be in the state that is connected or separates with frame 1; And be located at clutch 2 14 between balancing point connecting rod 11 and the feed spool 12, clutch 2 14 can make balancing point connecting rod 11 be in the state that is connected or separates with feed spool 12.
Clutch 1 is for being connected in switch piece 13a and the screw 15 on the frame 1, and above-mentioned balancing point connecting rod 11 is connected on the switch piece 13a firmly by screw 15.
Clutch 2 14 is screw 15 and tubular sleeve 14a, the sidepiece of sleeve 14a has breach, sleeve 14a is socketed on the above-mentioned feed spool 12, and screw 15 is connected on two edges of sleeve 14a indentation, there, and an end of above-mentioned balancing point connecting rod 11 is articulated in sleeve 14a sidepiece.
When clutch 1 makes balancing point connecting rod 11 and switch piece 13a be in connection status, when clutch 2 14 makes sleeve 14a sky be enclosed within on the feed spool 12.In cam 3a drivening rod 8 swing process, drive the reciprocal rotation of feed spool 12 little radians by drive link 9, the resultant motion of feeding tooth 7 horizontal movements that produce and two kinds of motions of vertical motion up and down of being produced by the feeding eccentric cam on the power transmission shaft 3 is finished feeding thereby make feeding tooth 7 move.Meanwhile, be enclosed within on the feed spool 12 owing to sleeve 14a sky in feed spool 12 rotation processes, make balancing point connecting rod 11 can certainly, not swing along with rotation guaranteeing balancing point connecting rod 11 can not be subjected to the friction effect between feed spool 12 and the sleeve 14a under the effect of clutch 1.This state is the 7 independent feedings of feeding tooth, promptly descends feeding, and it mainly is at thin cloth.
On the contrary, when clutch 1 makes balancing point connecting rod 11 and fixture 13a be in released state, when clutch 2 14 links together sleeve 14a and feed spool 12 firmly.In cam 3a drivening rod 8 swing process, can make the reciprocal rotation of feed spool 12 little radians by connecting rod 8, drive link 9, thereby finish down feeding by feeding tooth 7.
Meanwhile, drive sleeve 14a swing in feed spool 12 swing process, drive 11 swings of balancing point connecting rod in the sleeve 14a swing process, thereby finish the pin feeding by 11 drivings of balancing point connecting rod.Obviously, this state is following feeding and pin feeding synchronization action.It mainly is at thicker cloth.
In the present embodiment, swing smoothly in order to guarantee balancing point axle 10, balancing point connecting rod 11 is made up of connecting rod one 11a and connecting rod two 11b, the end of connecting rod one 11a is hinged on sleeve 14a sidepiece, the end of the other end of connecting rod one 11a and connecting rod two 11b is hinged, and the other end and the balancing point axle 10 of connecting rod two 11b are hinged.Above-mentioned clutch 1 and clutch 2 14 all are arranged at connecting rod one 11a place.
After following feeding state switched to down feeding, the synchronous feeding of pin feeding, skew had taken place in the position of cam 3a.The drive 4 at power transmission shaft 12 places is made up of core wheel 4a and belt wheel 4b, and core wheel 4a is connected mutually with above-mentioned power transmission shaft 3, and belt wheel 4b is enclosed within that core wheel 4a goes up and both are connected mutually by screw 15.Obviously, screw 15 is eased out,, thereby guarantee the normal operation of this mechanism with regard to the relative position between adjustable band wheel 4b and the core wheel 4a.In the present embodiment, be connected by three screws 15 between belt wheel 4b and the core wheel 4a, see shown in Figure 5.
In order to simplify the internal structure of an organization, above-mentioned clutch 1 can make balancing point connecting rod 11 directly be connected on the frame 1 by screw 15.Certainly, above-mentioned clutch 2 14 also can make balancing point connecting rod 11 directly be articulated in feed spool 12 sidepieces by screw 15.
Claims (8)
1, the switching mechanism of feeding place in a kind of two-needle sewing machine, be arranged between the feed spool (12) and balancing point axle (10) of two-needle sewing machine, feed spool (12) is connected with feeding tooth (7), balancing point axle (10) is connected with suture needle, be provided with a power transmission shaft that is connected with power section (3) between feed spool (12) and the balancing point axle (10), be fixed with cam (3a) on the power transmission shaft (3), one end of a connecting rod (8) is enclosed within on the cam (3a), the other end of connecting rod (8) is hinged with drive link (9), the other end of drive link (9) and feed spool (12) are hinged, it is characterized in that, be provided with balancing point connecting rod (11) between described feed spool (12) and the balancing point axle (10), the two ends of balancing point connecting rod (11) are articulated in respectively on feed spool (12) sidepiece and the balancing point axle (10), be provided with the clutch one (13) that can make both be connected or separate between described balancing point connecting rod (11) and the sewing machine frame (1), be provided with the clutch two (14) that can make both be connected or separate between described balancing point connecting rod (11) and the feed spool (12).
2, the switching mechanism of feeding place in the two-needle sewing machine according to claim 1, it is characterized in that, described clutch one (13) comprises screw (15) and is connected in switch piece (13a) on the frame (1) that above-mentioned balancing point connecting rod (11) is connected on the switch piece (13a) by screw (15).
3, the switching mechanism of feeding place in the two-needle sewing machine according to claim 1 is characterized in that, described clutch one (13) is screw (15), and above-mentioned balancing point connecting rod (11) is connected on the frame (1) by screw (15).
4, according to the switching mechanism of feeding place in claim 1 or the 2 or 3 described two-needle sewing machines, it is characterized in that, described clutch two (14) is screw (15) and tubular sleeve (14a), the sidepiece of described sleeve (14a) has breach, sleeve (14a) is socketed on the above-mentioned feed spool (12), screw (15) is connected on two edges of sleeve (14a) indentation, there, and an end of above-mentioned balancing point connecting rod (11) is articulated in sleeve (14a) sidepiece.
5, according to the switching mechanism of feeding place in claim 1 or the 2 or 3 described two-needle sewing machines, it is characterized in that, described clutch two (14) is screw (15), and an end of above-mentioned balancing point connecting rod (11) is articulated on the feed spool (12) by screw (15).
According to the switching mechanism of feeding place in claim 1 or the 2 or 3 described two-needle sewing machines, it is characterized in that 6, described balancing point connecting rod (11) is made up of connecting rod one (11a) and connecting rod two (11b), and connecting rod one (11a) is hinged with connecting rod two (11b).
7, according to the switching mechanism of feeding place in claim 1 or the 2 or 3 described two-needle sewing machines, it is characterized in that, described drive (4) is made up of core wheel (4a) and belt wheel (4b), core wheel (4a) is connected mutually with above-mentioned power transmission shaft (3), and belt wheel (4b) is enclosed within that core wheel (4a) is gone up and both are connected mutually by screw (15).
8, the switching mechanism of feeding place in the two-needle sewing machine according to claim 7 is characterized in that, described belt wheel (4b) is connected by three screws (15) with core wheel (4a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820121171XU CN201245765Y (en) | 2008-07-09 | 2008-07-09 | Switching mechanism for feed part of two-needle sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820121171XU CN201245765Y (en) | 2008-07-09 | 2008-07-09 | Switching mechanism for feed part of two-needle sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201245765Y true CN201245765Y (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820121171XU Expired - Fee Related CN201245765Y (en) | 2008-07-09 | 2008-07-09 | Switching mechanism for feed part of two-needle sewing machine |
Country Status (1)
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| CN (1) | CN201245765Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314901B (en) * | 2008-07-09 | 2012-09-19 | 中捷缝纫机股份有限公司 | Switch-over mechanism of feeding section of two-needle sewing machine |
| CN103614866A (en) * | 2013-12-02 | 2014-03-05 | 中国船舶重工集团公司第七〇五研究所 | Method for controlling electro-pattern-sewing machine to be adaptive to sewing of sewing materials of different thicknesses |
| CN111020891A (en) * | 2019-11-25 | 2020-04-17 | 杰克缝纫机股份有限公司 | Sewing machine, feeding switching device, feeding switching control system and control method |
-
2008
- 2008-07-09 CN CNU200820121171XU patent/CN201245765Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314901B (en) * | 2008-07-09 | 2012-09-19 | 中捷缝纫机股份有限公司 | Switch-over mechanism of feeding section of two-needle sewing machine |
| CN103614866A (en) * | 2013-12-02 | 2014-03-05 | 中国船舶重工集团公司第七〇五研究所 | Method for controlling electro-pattern-sewing machine to be adaptive to sewing of sewing materials of different thicknesses |
| CN103614866B (en) * | 2013-12-02 | 2015-09-23 | 中国船舶重工集团公司第七〇五研究所 | A kind of method controlling electro-pattern-sewing machine and adapt to the sewing of different-thickness sewing |
| CN111020891A (en) * | 2019-11-25 | 2020-04-17 | 杰克缝纫机股份有限公司 | Sewing machine, feeding switching device, feeding switching control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG ZOJE SEWING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHONGJIE SEWING MACHINE CO., LTD. Effective date: 20140926 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140926 Address after: 317604 Yuhuan County barley island Subdistrict Office, Zhejiang, Taizhou Patentee after: Zhejiang Zoje Sewing Technology Co., Ltd. Address before: 317604 Zhejiang Province, Yuhuan County Chen Yu Zhen Damaiyu Development Zone Patentee before: Zhongjie Sewing Machine Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160908 Address after: 317604 Taizhou Province, Yuhuan County, Lantau Island Road, Hing Hong Kong Road, No. 198 Patentee after: Zhejiang Zoje Sewing Technology Co., Ltd. Patentee after: Zhejiang Zhongyi Sewing Machine Co Ltd Patentee after: Zhejiang Besserman sewing machine Co., Ltd. Address before: 317604 Yuhuan County barley island Subdistrict Office, Zhejiang, Taizhou Patentee before: Zhejiang Zoje Sewing Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20170709 |