CN203795131U - Drive mechanism for thread cutting and presser foot lifting mechanisms of sewing machine - Google Patents
Drive mechanism for thread cutting and presser foot lifting mechanisms of sewing machine Download PDFInfo
- Publication number
- CN203795131U CN203795131U CN201420211615.4U CN201420211615U CN203795131U CN 203795131 U CN203795131 U CN 203795131U CN 201420211615 U CN201420211615 U CN 201420211615U CN 203795131 U CN203795131 U CN 203795131U
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- China
- Prior art keywords
- presser feet
- tangent line
- cam
- lifts
- crank
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 238000009958 sewing Methods 0.000 title claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims abstract description 16
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a drive mechanism for thread cutting and presser foot lifting mechanisms of a sewing machine. The drive mechanism comprises a servo motor. The output shaft of the servo motor is connected with a drive pulley. The drive pulley is connected with a driven pulley through a synchronous belt. The drive pulley is coaxially connected with a presser foot lifting cam. The presser foot lifting cam and a presser foot lifting roller form a cam mechanism. The presser foot lifting roller is fixedly connected with one end of a presser foot lifting crank. The other end of the presser foot lifting crank is connected with one end of a presser foot lifting connecting rod. The other end of the presser foot lifting connecting rod is connected with a presser foot frame through a presser foot rod connecting arm. The driven pulley is coaxially connected with a thread cutting cam. The thread cutting cam and a thread cutting roller form a cam mechanism. The thread cutting roller is fixedly connected with one end of a thread cutting crank. The other end of the thread cutting crank is connected with one end of a thread cutting connecting rod. The other end of the thread cutting connecting rod is connected with a faller. The drive mechanism has the advantages that the thread cutting mechanism and the presser foot lifting mechanism are connected through the synchronous belt, and synchronous drive of the thread cutting mechanism and the presser foot lifting mechanism can be achieved.
Description
Technical field
The utility model relates to a kind of Sewing machines, and the tangent line and the presser feet that are specifically related to a kind of Sewing machines lift driving mechanism.
Background technology
Tangent line, the presser feet of existing Sewing machines lift structure, employing be solenoid actuated mode, sensitive not due to electromagnet reaction, cause presser feet to lift circulation timei long, make operating efficiency low.
Also have in addition two motors of employing to drive, this can increase motor cost, and phase time is not easy to control.
Also there is a motor by an integral cam control, owing to being not easy to regulate two action sequences, cause equally operating efficiency low.
Summary of the invention
Tangent line and presser feet that technical problem to be solved in the utility model is to provide a kind of Sewing machines lift driving mechanism, and it can realize the synchronous driving to tangent mechanism and presser feet lifting mechanism.
For solving the problems of the technologies described above, the technical solution that the tangent line of the utility model Sewing machines and presser feet lift driving mechanism is:
Comprise servo motor 1, the output shaft of servo motor 1 connects driving pulley, and driving pulley connects driven pulley by Timing Belt 5, and driving pulley, driven pulley and Timing Belt 5 form synchronous pulley component; Described driving pulley lifts cam 2 with presser feet and is coaxially connected, presser feet lifts cam 2 and lifts roller composition cam mechanism with presser feet, presser feet lifts one end that roller is fixedly connected with presser feet and lifts crank 3, the other end that presser feet lifts crank 3 connects one end that presser feet lifts connecting rod 4, presser feet lifts one end of the other end connection presser bar linking arm of connecting rod 4, and the other end of presser bar linking arm connects presser feet frame 9; Described driven pulley is coaxially connected with tangential cam 6, tangential cam 6 and tangent line roller composition cam mechanism, tangent line roller is fixedly connected with one end of tangent line crank 7, and the other end of tangent line crank 7 connects one end of tangent line connecting rod 8, and the other end of tangent line connecting rod 8 connects needle plate 10.
Described servo motor 1 drives presser feet to lift cam 2 and tangential cam 6 synchronous rotaries through synchronous pulley component; Described presser feet lifts cam 2 and lifts roller by presser feet and drive presser feet to lift crank 3 and move, realizing to rotatablely move is converted into rectilinear motion, presser feet lifts crank 3 and lifts connecting rod 4 by presser feet and drive presser bar linking arm motion, and presser bar linking arm drives presser feet frame 9 to move up and down; Meanwhile, tangential cam 6 drives tangent line crank 7 to move by tangent line roller, and realizing to rotatablely move is converted into rectilinear motion, and tangent line crank 7 drives needle plate 10 to move up and down by tangent line connecting rod 8, thereby realizes the interlock of presser foot lifter and tangent line.
It is an entirety that described driving pulley and presser feet lift cam 2, or is split.
Described driven pulley and tangential cam 6 are an entirety, or are split.
The technique effect that the utility model can reach is:
The utility model connects tangent mechanism and presser feet lifting mechanism by Timing Belt, can realize the synchronous driving to tangent mechanism and presser feet lifting mechanism.
The utility model is simple in structure, and driving force is large, and registration is quick on the draw, easy to adjust, and operating efficiency is high.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the schematic diagram that the tangent line of the utility model Sewing machines and presser feet lift driving mechanism;
Fig. 2 is the decomposing schematic representation of servo motor of the present utility model and synchronous pulley component.
Description of reference numerals in figure:
1 is servo motor, and 2 for presser feet lifts cam,
3 for presser feet lifts crank, and 4 for presser feet lifts connecting rod,
5 is Timing Belt, and 6 is tangential cam,
7 is tangent line crank, and 8 is tangent line connecting rod,
9 is presser feet frame, and 10 is needle plate.
Detailed description of the invention
As shown in Figure 1 and Figure 2, tangent line and the presser feet of the utility model Sewing machines lift driving mechanism, comprise servo motor 1, and the output shaft of servo motor 1 connects driving pulley, driving pulley connects driven pulley by Timing Belt 5, and driving pulley, driven pulley and Timing Belt 5 form synchronous pulley component;
Driving pulley lifts cam 2 with presser feet and is coaxially connected, presser feet lifts cam 2 and lifts roller composition cam mechanism with presser feet, presser feet lifts one end that roller is fixedly connected with presser feet and lifts crank 3, the other end that presser feet lifts crank 3 connects one end that presser feet lifts connecting rod 4, presser feet lifts one end of the other end connection presser bar linking arm of connecting rod 4, and the other end of presser bar linking arm connects presser feet frame 9;
Driven pulley is coaxially connected with tangential cam 6, tangential cam 6 and tangent line roller composition cam mechanism, and tangent line roller is fixedly connected with one end of tangent line crank 7, and the other end of tangent line crank 7 connects one end of tangent line connecting rod 8, and the other end of tangent line connecting rod 8 connects needle plate 10.
Servo motor 1 drives presser feet to lift cam 2 and tangential cam 6 synchronous rotaries through synchronous pulley component; Presser feet lifts cam 2 and lifts roller by presser feet and drive presser feet to lift crank 3 and move, realizing to rotatablely move is converted into rectilinear motion, presser feet lifts crank 3 and lifts connecting rod 4 by presser feet and drive presser bar linking arm motion, and presser bar linking arm drives presser feet frame 9 to move up and down; Meanwhile, tangential cam 6 drives tangent line crank 7 to move by tangent line roller, and realizing to rotatablely move is converted into rectilinear motion, and tangent line crank 7 drives needle plate 10 to move up and down by tangent line connecting rod 8, thereby realizes the interlock of presser foot lifter and tangent line.
Synchronous pulley component can regulate presser feet to lift the anglec of rotation of cam 2 and tangential cam 6, also can regulate the sequential of lifting to presser feet after tangent line.
It can be an entirety that driving pulley and presser feet lift cam 2, can be also split.
Driven pulley and tangential cam 6 can be an entirety, can be also split.
The present embodiment is to form the bar tacking machine of lock-type chain stitch as the Sewing machines of the present embodiment, this Sewing machines is according to the figure of making being stored in memory, make by the coordinated of eedle and shuttle, and lift instruction according to being included in tangent line instruction and the presser feet made in figure after making, in official hour, start the action that tangent line, presser feet lift.
Claims (4)
1. the tangent line of a Sewing machines and presser feet lift driving mechanism, it is characterized in that: comprise servo motor (1), the output shaft of servo motor (1) connects driving pulley, driving pulley connects driven pulley by Timing Belt (5), driving pulley, driven pulley and Timing Belt (5) composition synchronous pulley component;
Described driving pulley lifts cam (2) with presser feet and is coaxially connected, presser feet lifts cam (2) and lifts roller composition cam mechanism with presser feet, presser feet lifts roller and is fixedly connected with presser feet and lifts one end of crank (3), the other end that presser feet lifts crank (3) connects presser feet and lifts one end of connecting rod (4), presser feet lifts one end of the other end connection presser bar linking arm of connecting rod (4), and the other end of presser bar linking arm connects presser feet frame (9);
Described driven pulley is coaxially connected with tangential cam (6), tangential cam (6) and tangent line roller composition cam mechanism, tangent line roller is fixedly connected with one end of tangent line crank (7), the other end of tangent line crank (7) connects one end of tangent line connecting rod (8), and the other end of tangent line connecting rod (8) connects needle plate (10).
2. the tangent line of Sewing machines according to claim 1 and presser feet lift driving mechanism, it is characterized in that: described servo motor (1) drives presser feet to lift cam (2) and tangential cam (6) synchronous rotary through synchronous pulley component; Described presser feet lifts cam (2) and lifts roller by presser feet and drive presser feet to lift crank (3) motion, realizing to rotatablely move is converted into rectilinear motion, presser feet lifts crank (3) and lifts the motion of connecting rod (4) drive presser bar linking arm by presser feet, and presser bar linking arm drives presser feet frame (9) to move up and down; Meanwhile, tangential cam (6) drives tangent line crank (7) motion by tangent line roller, realizing to rotatablely move is converted into rectilinear motion, and tangent line crank (7) drives needle plate (10) to move up and down by tangent line connecting rod (8), thereby realizes the interlock of presser foot lifter and tangent line.
3. the tangent line of Sewing machines according to claim 1 and presser feet lift driving mechanism, it is characterized in that: it is an entirety that described driving pulley and presser feet lift cam (2), or are split.
4. lift driving mechanism according to the tangent line of the Sewing machines described in claim 1 or 3 and presser feet, it is characterized in that: described driven pulley and tangential cam (6) are an entirety, or be split.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211615.4U CN203795131U (en) | 2014-04-29 | 2014-04-29 | Drive mechanism for thread cutting and presser foot lifting mechanisms of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211615.4U CN203795131U (en) | 2014-04-29 | 2014-04-29 | Drive mechanism for thread cutting and presser foot lifting mechanisms of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203795131U true CN203795131U (en) | 2014-08-27 |
Family
ID=51377361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420211615.4U Expired - Lifetime CN203795131U (en) | 2014-04-29 | 2014-04-29 | Drive mechanism for thread cutting and presser foot lifting mechanisms of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203795131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118456A (en) * | 2016-11-29 | 2018-06-05 | 拓卡奔马机电科技有限公司 | A kind of new type auto foot lifting mechanism and lockstitch button holder |
-
2014
- 2014-04-29 CN CN201420211615.4U patent/CN203795131U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118456A (en) * | 2016-11-29 | 2018-06-05 | 拓卡奔马机电科技有限公司 | A kind of new type auto foot lifting mechanism and lockstitch button holder |
| CN108118456B (en) * | 2016-11-29 | 2023-07-07 | 拓卡奔马机电科技有限公司 | Automatic presser foot lifting mechanism and buttonholing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: 318000 Xin He Zhen Cheng Nan Cun Jin Xiu Lu, Wenling City, Taizhou City, Zhejiang Province Patentee after: ZHEJIANG SUNSIR SEWING MACHINE AND TECHNOLOGY Co.,Ltd. Address before: No. 193, Xinxin Middle Road, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG MAQI SEWING MACHINE Co.,Ltd. |