CN105821597A - Automatic presser foot lifting and backward and forward sewing device of sewing machine and sewing machine - Google Patents
Automatic presser foot lifting and backward and forward sewing device of sewing machine and sewing machine Download PDFInfo
- Publication number
- CN105821597A CN105821597A CN201610341126.4A CN201610341126A CN105821597A CN 105821597 A CN105821597 A CN 105821597A CN 201610341126 A CN201610341126 A CN 201610341126A CN 105821597 A CN105821597 A CN 105821597A
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- Prior art keywords
- bar
- presser foot
- swing
- driver
- straight
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/14—Devices for changing speed or for reversing direction of rotation
- D05B69/18—Devices for changing speed or for reversing direction of rotation electric, e.g. foot pedals
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an automatic presser foot lifting and backward and forward sewing device of a sewing machine. The automatic presser foot lifting and backward and forward sewing device comprises a presser foot lifting driver. A first straight rod of the presser foot lifting driver is connected with one end of a pull rope of a pull rope assembly, and the other end of the pull rope is connected with one end of a swing rod. The other end of the swing rod is in contact with one end of a presser foot lifting rear lever which can swing around the lever axis. A presser foot lifting mechanism is connected with the other end of the presser foot lifting rear lever and can be driven to act through swing of the presser foot lifting rear lever. The automatic presser foot lifting and backward and forward sewing device further comprises a backward and forward sewing driver. A second straight rod of the backward and forward sewing driver is connected with one end of a pull rod, and a swing plate seat is connected with the other end of the pull rod. Backward and forward sewing action can be achieved through swing of the swing plate seat. The automatic presser foot lifting and backward and forward sewing device is simple and compact in structure, convenient to install and maintain, low in manufacturing cost and capable of being in comprehensive application with a traditional presser foot lifting and backward and forward sewing mode. The invention further discloses the sewing machine with the automatic presser foot lifting and backward and forward sewing device.
Description
Technical field
The present invention relates to the parts of a kind of industrial sewing equipment, be specifically related to the automatic needle-foot-lifting of a kind of sewing machine and fall along seam device.The invention still further relates to a kind of sewing machine with automatic needle-foot-lifting and the most suitable seam.
Background technology
Industrial sewing machine is increasingly towards automation development, and traditional sewing machine, its presser foot lifter and fall and be required for manual operation along seam action, this not only complex operation, and the operation level of workman is had certain requirement.This mode of operation causes that production efficiency is low, cost of labor is high, the most increasingly cannot meet the demand of people.
Summary of the invention
The technical problem to be solved is to provide the automatic needle-foot-lifting of a kind of sewing machine and falls along seam device, it can by lighter, convenient, low cost and convenient for installation and maintenance in the way of remove to realize lifting pressre of sewing machine and fall along joint function, and can be with traditional operation mode integrated application.
For solving above-mentioned technical problem, the technical solution of the automatic needle-foot-lifting of sewing machine of the present invention and the most suitable seam device is:
Including presser foot lifter driver 1, presser foot lifter driver 1 have can reciprocating first straight-bar, the first straight-bar is connected with one end of the stay cord of lanyard assembly 3；The other end of stay cord is connected with one end of swing arm 5；Swing arm 5 can swing around its oscillation center；The other end of swing arm 5 contacts with one end of lever after presser foot lifter 61, and after presser foot lifter, lever 61 can be around its lever axis swing；After presser foot lifter, the other end of lever 61 connects presser bar lifting mechanisms 6, can be driven the running of presser bar lifting mechanisms 6 by the swing of lever after presser foot lifter 61；Also include down along seam driver 7, fall along seam driver 7 have can reciprocating second straight-bar, the second straight-bar is connected with one end of pull bar 8, the other end of pull bar 8 with swing panel seat 9 be connected；Swing panel seat 9 to swing around its swinging center, be capable of down the running along seam by swinging the swing of panel seat 9.
First straight-bar of described presser foot lifter driver 1 moves back and forth in the horizontal direction；Second straight-bar of the most suitable described seam driver 7 vertically moves back and forth.
Described presser foot lifter driver 1 and/or suitable seam driver 7 of falling are electric magnet or cylinder.
Described presser bar lifting mechanisms 6 and/or swing panel seat 9 are provided with return spring.
The stay cord of described lanyard assembly 3 is movably set in stay cord set, and stay cord can slide in stay cord overlaps.
One end of described stay cord set is fixed by upper bracket 4, and the other end of stay cord set is fixed by lower carriage 2.
The present invention also provides for a kind of sewing machine with automatic needle-foot-lifting and the most suitable seam, and its technical solution is:
Including head of sewing machine 100, base plate 200, presser foot lifter driver 1, fall along seam driver 7, fall and be fixedly mounted on head 100 along seam driver 7, fall that have along seam driver 7 can reciprocating second straight-bar, second straight-bar is connected with one end of pull bar 8, and the other end of pull bar 8 is connected with swinging panel seat 9；Swing panel seat 9 to swing around its swinging center, be capable of down the running along seam by swinging the swing of panel seat 9；Presser foot lifter driver 1 is fixedly mounted on base plate 200, presser foot lifter driver 1 have can reciprocating first straight-bar, the first straight-bar is connected with one end of the stay cord of lanyard assembly 3；The other end of stay cord is connected with one end of swing arm 5；Swing arm 5 axle is connected on head 100, and swing arm 5 can swing around its oscillation center；The other end of swing arm 5 contacts with one end of lever after presser foot lifter 61, and after presser foot lifter, lever 61 can be around its lever axis swing；After presser foot lifter, the other end of lever 61 connects presser bar lifting mechanisms 6, can be driven the running of presser bar lifting mechanisms 6 by the swing of lever after presser foot lifter 61.
When the first straight-bar of described presser foot lifter driver 1 makees retracting motion, first straight-bar can drive the stay cord of lanyard assembly 3, stay cord pulls swing arm 5 around its balance staff pivot, so that lever 61 swings after swing arm 5 drives presser foot lifter, presser bar lifting mechanisms 6 is made to operate, finally make presser feet lift, complete the action of presser foot lifter；When the second straight-bar of the most suitable described seam driver 7 makees retracting motion, the second straight-bar can drive pull bar 8, pull bar 8 to pull swing panel seat 9 to swing, thus realize backstitching action.
What the present invention can reach has the technical effect that
Present configuration is the compactest, convenient for installation and maintenance and low cost of manufacture, it is possible to tradition presser foot lifter and the most suitable seam mode integrated application of falling.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings, and those skilled in the art it is possible to be better understood by other advantages of the present invention and effect.It should be noted that structure that the accompanying drawing of description drawn, ratio, size etc., only in order to coordinate detailed description of the invention, be better understood upon the design of the present invention for those skilled in the art.
Fig. 1 is the automatic needle-foot-lifting of sewing machine of the present invention and the schematic diagram along seam device that falls；
Fig. 2 is that the present invention has automatic needle-foot-lifting and the schematic diagram along the sewing machine stitched that falls；
Fig. 3 is the upward view of Fig. 2.
Description of reference numerals in figure:
1 is presser foot lifter driver, and 2 is lower carriage,
3 is lanyard assembly, and 4 is upper bracket,
5 is swing arm, and 6 is presser bar lifting mechanisms,
7 for falling along seam driver, and 8 is pull bar,
9 for swinging panel seat, and 61 is lever after presser foot lifter,
100 is head, and 200 is base plate.
Detailed description of the invention
As shown in Figure 1 to Figure 3, the automatic needle-foot-lifting of sewing machine of the present invention and fall along seam device, including presser foot lifter driver 1, presser foot lifter driver 1 is fixedly mounted on base plate 200, have in presser foot lifter driver 1 one can the most reciprocating straight-bar；Lanyard assembly 3 by stay cord set and stay cord form, stay cord can stay cord set in easy slide, stay cord overlap two ends be separately fixed on lower carriage 2 and upper bracket 4, the two ends of stay cord are connected with the straight-bar of presser foot lifter driver 1 and one end of swing arm 5 respectively；Swing arm 5 axle is connected on head 100, can swing around oscillation center, and one end of swing arm 5 around balance staff pivot, drives lever 61 after the presser foot lifter of presser bar lifting mechanisms 6, so that presser bar lifting mechanisms 6 operates under the stay cord effect of lanyard assembly 3；Fall and be fixedly mounted on head 100 along seam driver 7, also have in it one can the straight-bar of straight reciprocating motion；The two ends of pull bar 8 respectively connected down the straight-bar along seam driver 7 and swing panel seat 9；Swing panel seat 9 to swing around its swinging center, swing, by it, the running that can realize down along seam.
When sewing machine needs presser foot lifter in sewing process, when presser foot lifter driver 1 is electric magnet, after energising, the straight-bar retracting motion of presser foot lifter driver 1, straight-bar drives the stay cord of lanyard assembly 3, and stay cord pulls swing arm 5 around its balance staff center counter-clockwise swing simultaneously, so that swing arm 5 drives lever 61 clockwise oscillation after presser foot lifter, make presser bar lifting mechanisms 6 operate, finally make presser feet lift, complete the action of presser foot lifter；After power-off, electric magnet and presser bar lifting mechanisms 6 are under the effect of return spring, and the straight-bar of presser foot lifter driver 1 and presser feet reset.
When sewing machine sewing work need fall along seam time, lift down along seam driver 7 be electric magnet time, after energising, fall along seam driver 7 straight-bar retracting motion, straight-bar drive pull bar 8, pull bar 8 pull swing panel seat 9 swing, thus realization backstitch action；After power-off, swing panel seat 9 is under the effect of return spring, and the straight-bar along seam driver 7 that falls resets with swing panel seat 9, recovers along seam action, thus completes down along the overall process stitched.
Electric magnet in above example can also replace with cylinder, or other kinds of linear actuator.
Above specific embodiment, is not intended that the technical scheme that any restriction, every employing equivalent or equivalent transformation are formed, all within protection scope of the present invention to protection scope of the present invention.
Claims (8)
1. the automatic needle-foot-lifting of a sewing machine and fall along seam device, it is characterised in that: include presser foot lifter driver (1), presser foot lifter driver (1) have can reciprocating first straight-bar, the first straight-bar is connected with one end of the stay cord of lanyard assembly (3)；The other end of stay cord is connected with the one end of swing arm (5)；Swing arm (5) can swing around its oscillation center；The other end of swing arm (5) contacts with one end of lever after presser foot lifter (61), and after presser foot lifter, lever (61) can be around its lever axis swing；After presser foot lifter, the other end of lever (61) connects presser bar lifting mechanisms (6), can be driven the running of presser bar lifting mechanisms (6) by the swing of lever after presser foot lifter (61)；
Also include down along seam driver (7), fall along seam driver (7) have can reciprocating second straight-bar, the second straight-bar is connected with the one end of pull bar (8), the other end of pull bar (8) with swing panel seat (9) be connected；Swing panel seat (9) to swing around its swinging center, be capable of down the running along seam by swinging the swing of panel seat (9).
The automatic needle-foot-lifting of sewing machine the most according to claim 1 and the suitable seam device that falls, it is characterised in that: the first straight-bar of described presser foot lifter driver (1) moves back and forth in the horizontal direction；Second straight-bar of the most suitable described seam driver (7) vertically moves back and forth.
The automatic needle-foot-lifting of sewing machine the most according to claim 1 and the most suitable seam device, it is characterised in that: described presser foot lifter driver (1) and/or suitable driver (7) of stitching of falling are electric magnet or cylinder.
The automatic needle-foot-lifting of sewing machine the most according to claim 1 and the suitable seam device that falls, it is characterised in that: described presser bar lifting mechanisms (6) and/or swing panel seat (9) are provided with return spring.
The automatic needle-foot-lifting of sewing machine the most according to claim 1 and the suitable seam device that falls, it is characterised in that: the stay cord of described lanyard assembly (3) is movably set in stay cord set, and stay cord can slip in stay cord overlaps.
The automatic needle-foot-lifting of sewing machine the most according to claim 5 and the suitable seam device that falls, it is characterised in that: one end of described stay cord set is fixed by upper bracket (4), and the other end that stay cord overlaps is fixed by lower carriage (2).
7. one kind has automatic needle-foot-lifting and the sewing machine along seam that falls, it is characterized in that: include head of sewing machine (100), base plate (200), presser foot lifter driver (1), fall along seam driver (7), fall and be fixedly mounted on head (100) along seam driver (7), fall that have along seam driver (7) can reciprocating second straight-bar, second straight-bar is connected with the one end of pull bar (8), and the other end of pull bar (8) is connected with swinging panel seat (9)；Swing panel seat (9) to swing around its swinging center, be capable of down the running along seam by swinging the swing of panel seat (9)；
Presser foot lifter driver (1) is fixedly mounted on base plate (200), presser foot lifter driver (1) have can reciprocating first straight-bar, the first straight-bar is connected with one end of the stay cord of lanyard assembly (3)；The other end of stay cord is connected with the one end of swing arm (5)；Swing arm (5) axle is connected on head (100), and swing arm (5) can swing around its oscillation center；The other end of swing arm (5) contacts with one end of lever after presser foot lifter (61), and after presser foot lifter, lever (61) can be around its lever axis swing；After presser foot lifter, the other end of lever (61) connects presser bar lifting mechanisms (6), can be driven the running of presser bar lifting mechanisms (6) by the swing of lever after presser foot lifter (61).
The automatic needle-foot-lifting of sewing machine the most according to claim 7 and the suitable seam device that falls, it is characterized in that: when the first straight-bar of described presser foot lifter driver (1) makees retracting motion, first straight-bar can drive the stay cord of lanyard assembly (3), stay cord pulls swing arm (5) around its balance staff pivot, so that lever (61) swings after swing arm (5) drives presser foot lifter, make presser bar lifting mechanisms (6) operate, finally make presser feet lift, complete the action of presser foot lifter；
When the second straight-bar of the most suitable described seam driver (7) makees retracting motion, the second straight-bar can drive pull bar (8), pull bar (8) to pull swing panel seat (9) to swing, thus realization backstitches action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341126.4A CN105821597A (en) | 2016-05-23 | 2016-05-23 | Automatic presser foot lifting and backward and forward sewing device of sewing machine and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341126.4A CN105821597A (en) | 2016-05-23 | 2016-05-23 | Automatic presser foot lifting and backward and forward sewing device of sewing machine and sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN105821597A true CN105821597A (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610341126.4A Pending CN105821597A (en) | 2016-05-23 | 2016-05-23 | Automatic presser foot lifting and backward and forward sewing device of sewing machine and sewing machine |
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| Country | Link |
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| CN (1) | CN105821597A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637736A (en) * | 2016-12-29 | 2017-05-10 | 杰克缝纫机股份有限公司 | Reverse stitching device |
| CN107245813A (en) * | 2017-08-11 | 2017-10-13 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
| DE102017125419A1 (en) * | 2017-10-30 | 2019-05-02 | Hsien-Chang Tseng | Knee-operated lifting device for sewing machine sewing feet |
| CN112458640A (en) * | 2020-12-05 | 2021-03-09 | 浙江沪龙科技股份有限公司 | Single-motor driven device for reversing sewing and lifting presser foot |
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| US5495817A (en) * | 1995-05-22 | 1996-03-05 | Blough-Wagner Manufacturing Co., Inc. | Pedal mechanism for operating presser and motor in sewing machines |
| CN2751045Y (en) * | 2004-11-15 | 2006-01-11 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Backstitch and normal-stitch mechanism for sewing machine |
| CN201354408Y (en) * | 2009-02-12 | 2009-12-02 | 标准缝纫机菀坪机械有限公司 | Manual presser foot lifter of sewing machine |
| CN204174395U (en) * | 2014-10-31 | 2015-02-25 | 浙江美机缝纫机有限公司 | Flat seam machine automatic needle-foot-lifting mechanism |
| CN105002663A (en) * | 2015-08-20 | 2015-10-28 | 浙江中捷缝纫科技有限公司 | Lockstitch sewing machine |
| CN204959246U (en) * | 2015-09-19 | 2016-01-13 | 浙江中捷缝纫科技有限公司 | Sewing machine's backstitch structure |
| CN205775205U (en) * | 2016-05-23 | 2016-12-07 | 浙江美机缝纫机有限公司 | The automatic needle-foot-lifting of sewing machine and the most suitable seam device and sewing machine |
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2016
- 2016-05-23 CN CN201610341126.4A patent/CN105821597A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5495817A (en) * | 1995-05-22 | 1996-03-05 | Blough-Wagner Manufacturing Co., Inc. | Pedal mechanism for operating presser and motor in sewing machines |
| CN2751045Y (en) * | 2004-11-15 | 2006-01-11 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Backstitch and normal-stitch mechanism for sewing machine |
| CN201354408Y (en) * | 2009-02-12 | 2009-12-02 | 标准缝纫机菀坪机械有限公司 | Manual presser foot lifter of sewing machine |
| CN204174395U (en) * | 2014-10-31 | 2015-02-25 | 浙江美机缝纫机有限公司 | Flat seam machine automatic needle-foot-lifting mechanism |
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| CN204959246U (en) * | 2015-09-19 | 2016-01-13 | 浙江中捷缝纫科技有限公司 | Sewing machine's backstitch structure |
| CN205775205U (en) * | 2016-05-23 | 2016-12-07 | 浙江美机缝纫机有限公司 | The automatic needle-foot-lifting of sewing machine and the most suitable seam device and sewing machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637736A (en) * | 2016-12-29 | 2017-05-10 | 杰克缝纫机股份有限公司 | Reverse stitching device |
| CN106637736B (en) * | 2016-12-29 | 2019-06-18 | 杰克缝纫机股份有限公司 | Refund seam device |
| CN107245813A (en) * | 2017-08-11 | 2017-10-13 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
| DE102017125419A1 (en) * | 2017-10-30 | 2019-05-02 | Hsien-Chang Tseng | Knee-operated lifting device for sewing machine sewing feet |
| DE102017125419B4 (en) * | 2017-10-30 | 2020-10-01 | Hsien-Chang Tseng | Knee-operated lifting device for sewing machine presser feet |
| CN112458640A (en) * | 2020-12-05 | 2021-03-09 | 浙江沪龙科技股份有限公司 | Single-motor driven device for reversing sewing and lifting presser foot |
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| PB01 | Publication | ||
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Application publication date: 20160803 |