CN105525448A - Sewing machine head provided with embedded type presser foot lifting mechanism - Google Patents
Sewing machine head provided with embedded type presser foot lifting mechanism Download PDFInfo
- Publication number
- CN105525448A CN105525448A CN201610053944.4A CN201610053944A CN105525448A CN 105525448 A CN105525448 A CN 105525448A CN 201610053944 A CN201610053944 A CN 201610053944A CN 105525448 A CN105525448 A CN 105525448A
- Authority
- CN
- China
- Prior art keywords
- head
- bar
- rocking lever
- lifting mechanism
- sewing machine
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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.)
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Classifications
-
- 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
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/05—Magnetic devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a sewing machine head provided with an embedded type presser foot lifting mechanism. The sewing machine head comprises a machine head, wherein a swing lever is arranged in the machine head; the fixed end of the swing lever is fixedly connected with the machine head through a first shoulder screw; the stressed end of the swing lever is connected with the head of a straight rod, and the tail part of the straight rod is connected with a linear driver; the pull end of the linear driver is connected with the driving end of a pull rod through a second shoulder screw, and the driven end of the pull rod is connected with the presser foot lifting mechanism; the straight rod can be driven by the linear driver to reciprocate linearly in the transverse direction, drives the stressed end of the swing lever to swing around the fixed end of the swing lever and drives the pull end of the swing lever to swing in the reverse direction, and the pull rod is pulled by the pull end of the swing lever, so that the presser foot lifting mechanism is driven to act to realize a presser foot lifting action. The sewing machine head provided with the embedded type presser foot lifting mechanism is simple and compact in structure, convenient to mount and maintain and low in manufacturing cost and can be comprehensively applied with a traditional presser foot lifting mode.
Description
Technical field
The present invention relates to a kind of head of sewing machine, be specifically related to the head of sewing machine of the embedded foot lifting mechanism of a kind of tool.
Background technology
A lot of industrial sewing machine all have employed automatic needle-foot-lifting structure at present, to alleviate the labour intensity of operating personnel, raise labour efficiency, and existing automatic needle-foot-lifting mechanism is generally driven by electromagnet, but because mechanism design is unreasonable, need very large electromagnet to promote.Therefore following defect can be there is: complex structure, functional reliability are poor, fault rate is high and installation and maintenance are inconvenient.
Summary of the invention
Technical problem to be solved by this invention is to provide the head of sewing machine of the embedded foot lifting mechanism of a kind of tool, and it can lighter, convenient, low cost and mode convenient for installation and maintenance go to realize this function of lifting pressre of sewing machine.
For solving the problems of the technologies described above, the technical solution of the head of sewing machine of the embedded foot lifting mechanism of tool of the present invention is:
Comprise head 100, in head 100, be provided with rocking lever 2; The stiff end of rocking lever 2 is fixedly connected with head 100 by the first axial screw 3; Rocking lever 2 can swing flexibly around its stiff end; The force side 22 of rocking lever 2 connects the head of straight-bar 1b, and the afterbody of straight-bar 1b connects linear actuator 1; Rocking lever 2 pull end 23 by the drive end of the second axial screw 4 cylinder lever connecting rod 5, the driven end of pull bar 5 is connected with presser bar lifting mechanisms 7; Linear actuator 1 can drive straight-bar 1b transversely straight reciprocating motion, straight-bar 1b drives the force side 22 of rocking lever 2 to swing around its stiff end, and drive rocking lever 2 pull end 23 backswing, the end 23 that pulls of rocking lever 2 pulls pull bar 5, drive presser bar lifting mechanisms 7 action, realize presser foot lifter action.
The first straight line is formed before the force side 22 of described rocking lever 2 and the stiff end of rocking lever 2, rocking lever 2 pull end 23 and the stiff end of rocking lever 2 before form the second straight line, between first straight line and the second straight line, shape has angle, and this angle equals 180 °.
The force side 22 of described rocking lever 2 offers gathering sill, is movably set with pin in gathering sill, and pin is fixedly connected with straight-bar 1b, and pin can slide along gathering sill.
The force side 22 of described rocking lever 2 is provided with guide rail, and guide rail is movably set with pin, and pin is fixedly connected with straight-bar 1b, and pin can along slide.
Described linear actuator 1 is electromagnet, and the side of straight-bar 1b arranges back-moving spring.
Described linear actuator 1 is cylinder.
The drive end of described pull bar 5 is formed with gathering sill, and the second axial screw 4 is movably set in this gathering sill, and the second axial screw 4 can slide along gathering sill.
Described pull bar 5 is made up of steel wire; Also or by panel beating make.
Described linear actuator 1 is fixedly installed in head 100 by fixed mount 1a.
The driven end of described pull bar 5 is connected with the front lever of presser bar lifting mechanisms 7 or rear lever.
The technique effect that the present invention can reach is:
Simple and compact for structure, the convenient for installation and maintenance and low cost of manufacture of the present invention, and can the integrated application of traditional presser foot lifter mode.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the schematic perspective view of the head of sewing machine of the embedded foot lifting mechanism of tool of the present invention;
Fig. 2 is front schematic view of the present invention;
Fig. 3 is the schematic diagram of rocking lever of the present invention;
Fig. 4 is the schematic diagram of another embodiment of the present invention.
Description of reference numerals in figure:
1 is linear actuator, and 2 is rocking lever,
3 is the first axial screw, and 4 is the second axial screw,
5 is pull bar, and 6 is push rod,
7 is presser bar lifting mechanisms, and 1a is fixed mount,
1b is straight-bar, and 21 is hole, axle position,
22 is force side, and 23 for pulling end,
100 is head, and 110 is rear window inner cavity.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the head of sewing machine of the embedded foot lifting mechanism of tool of the present invention, comprises head 100, and head 100 forms the rear window inner cavity 110 that is positioned at left side; Rocking lever 2 is provided with in rear window inner cavity 110;
As shown in Figure 3, the middle part of rocking lever 2 is stiff end, and upper end is for pulling end 23, and lower end is force side 22; The stiff end of rocking lever 2 offers hole, axle position 21, and the stiff end of rocking lever 2 is fixedly connected with head 100 by the first axial screw 3; Rocking lever 2 can swing flexibly around its stiff end;
The first straight line is formed before the force side 22 of rocking lever 2 and the stiff end of rocking lever 2, rocking lever 2 pull end 23 and the stiff end of rocking lever 2 before form the second straight line, between first straight line and the second straight line, shape has angle, and this angle equals 180 °;
The force side 22 of rocking lever 2 connects the head of straight-bar 1b, and the afterbody of straight-bar 1b connects linear actuator 1; Linear actuator 1 can drive straight-bar 1b transversely straight reciprocating motion, thus drives the force side 22 of rocking lever 2 to swing around its stiff end;
Linear actuator 1 is fixedly installed in rear window inner cavity 110 by fixed mount 1a;
Force side 22 and the connected mode of straight-bar 1b of rocking lever 2, can adopt the connection of gathering sill and pin; Namely the force side 22 of rocking lever 2 offers gathering sill, is movably set with pin in gathering sill, and pin is fixedly connected with the head of straight-bar 1b, and pin can slide along gathering sill;
Also the connection of guide rail and pin can be adopted; Namely the force side 22 of rocking lever 2 is provided with guide rail, and guide rail is movably set with pin, and pin is fixedly connected with straight-bar 1b, and pin can along slide;
Linear actuator 1 can be electromagnet, and the side of straight-bar 1b arranges back-moving spring; During electromagnet energising, straight-bar 1b is driven to move right; During electromagnet power-off, back-moving spring makes straight-bar 1b reset;
Linear actuator 1 also can be cylinder, and cylinder drives straight-bar 1b reciprocating motion;
Rocking lever 2 pull end 23 by the drive end of the second axial screw 4 cylinder lever connecting rod 5, the driven end of pull bar 5 and the front lever (as shown in Figure 4) of presser bar lifting mechanisms 7 or rear lever (as shown in Figure 1) are connected; The lifting that can drive presser feet is pulled by pull bar 5;
The drive end of pull bar 5 is formed with gathering sill, and the second axial screw 4 is movably set in gathering sill, and the second axial screw 4 can slide along gathering sill.
The front lever of presser bar lifting mechanisms 7 connects push rod 6, and presser bar lifting mechanisms 7 also can promote push rod 6 by knee control, and what realize presser feet lifts action.
Pull bar 5 can be bent into (as shown in Figure 1) by steel wire, also or by panel beating bending forms (as shown in Figure 4).
Operation principle of the present invention is as follows:
When needing presser foot lifter, drive straight-bar 1b to move right by linear actuator 1, straight-bar 1b drives rocking lever 2 to swing, thus drive pull bar 5 by the end 23 that pulls of rocking lever 2, and then pull presser bar lifting mechanisms 7 action, finally make presser feet lift, complete presser foot lifter action.
Above concrete enforcement example, does not constitute any limitation protection scope of the present invention, and every employing is equal to the technical scheme that replacement or equivalent transformation are formed, all within protection scope of the present invention.
Claims (10)
1. a head of sewing machine for the embedded foot lifting mechanism of tool, is characterized in that: comprise head (100), is provided with rocking lever (2) in head (100); The stiff end of rocking lever (2) is fixedly connected with head (100) by the first axial screw (3); Rocking lever (2) can swing flexibly around its stiff end;
The force side (22) of rocking lever (2) connects the head of straight-bar (1b), and the afterbody of straight-bar (1b) connects linear actuator (1);
Rocking lever (2) pull end (23) by the drive end of the second axial screw (4) cylinder lever connecting rod (5), the driven end of pull bar (5) is connected with presser bar lifting mechanisms (7);
Linear actuator (1) can drive straight-bar (1b) transversely straight reciprocating motion, straight-bar (1b) drives the force side of rocking lever (2) (22) to swing around its stiff end, and drive rocking lever (2) pull end (23) backswing, the end (23) that pulls of rocking lever (2) pulls pull bar (5), drive presser bar lifting mechanisms (7) action, realize presser foot lifter action.
2. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, it is characterized in that: before the force side (22) of described rocking lever (2) and the stiff end of rocking lever (2), form the first straight line, rocking lever (2) pull the stiff end of end (23) and rocking lever (2) before form the second straight line, between first straight line and the second straight line, shape has angle, and this angle equals 180 °.
3. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, it is characterized in that: the force side (22) of described rocking lever (2) offers gathering sill, be movably set with pin in gathering sill, pin is fixedly connected with straight-bar (1b), and pin can slide along gathering sill.
4. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, it is characterized in that: the force side (22) of described rocking lever (2) is provided with guide rail, guide rail is movably set with pin, and pin is fixedly connected with straight-bar (1b), and pin can along slide.
5. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, is characterized in that: described linear actuator (1) is electromagnet, and the side of straight-bar (1b) arranges back-moving spring.
6. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, is characterized in that: described linear actuator (1) is cylinder.
7. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, it is characterized in that: the drive end of described pull bar (5) is formed with gathering sill, second axial screw (4) is movably set in this gathering sill, and the second axial screw (4) can slide along gathering sill.
8. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, is characterized in that: described pull bar (5) is made up of steel wire; Also or by panel beating make.
9. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, is characterized in that: described linear actuator (1) is fixedly installed in head (100) by fixed mount (1a).
10. the head of sewing machine of the embedded foot lifting mechanism of tool according to claim 1, is characterized in that: the driven end of described pull bar (5) is connected with the front lever of presser bar lifting mechanisms (7) or rear lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053944.4A CN105525448B (en) | 2016-01-27 | 2016-01-27 | Has the head of sewing machine of embedded foot lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053944.4A CN105525448B (en) | 2016-01-27 | 2016-01-27 | Has the head of sewing machine of embedded foot lifting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105525448A true CN105525448A (en) | 2016-04-27 |
| CN105525448B CN105525448B (en) | 2018-06-05 |
Family
ID=55767949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053944.4A Active CN105525448B (en) | 2016-01-27 | 2016-01-27 | Has the head of sewing machine of embedded foot lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105525448B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012598A (en) * | 2017-05-23 | 2017-08-04 | 拓卡奔马机电科技有限公司 | Automatic needle-foot-lifting mechanism and button-sewing machine |
| CN112496508A (en) * | 2020-11-25 | 2021-03-16 | 丹阳同泰化工机械有限公司 | Welding device and welding method for chemical container composite plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051769A (en) * | 2009-10-30 | 2011-05-11 | Juki株式会社 | Sewing machine |
| CN103215758A (en) * | 2013-04-02 | 2013-07-24 | 新杰克缝纫机股份有限公司 | Built-in type automatic pressure foot lifting mechanism of sewing machine |
| CN104047122A (en) * | 2014-06-27 | 2014-09-17 | 台州拓卡奔马机电科技有限公司 | Automatic presser foot lifting device of thick material lockstitch 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 |
| CN205329302U (en) * | 2016-01-27 | 2016-06-22 | 浙江美机缝纫机有限公司 | Embedded sewing machine aircraft nose of lifting presser foot mechanism of utensil |
-
2016
- 2016-01-27 CN CN201610053944.4A patent/CN105525448B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051769A (en) * | 2009-10-30 | 2011-05-11 | Juki株式会社 | Sewing machine |
| CN103215758A (en) * | 2013-04-02 | 2013-07-24 | 新杰克缝纫机股份有限公司 | Built-in type automatic pressure foot lifting mechanism of sewing machine |
| CN104047122A (en) * | 2014-06-27 | 2014-09-17 | 台州拓卡奔马机电科技有限公司 | Automatic presser foot lifting device of thick material lockstitch 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 |
| CN205329302U (en) * | 2016-01-27 | 2016-06-22 | 浙江美机缝纫机有限公司 | Embedded sewing machine aircraft nose of lifting presser foot mechanism of utensil |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012598A (en) * | 2017-05-23 | 2017-08-04 | 拓卡奔马机电科技有限公司 | Automatic needle-foot-lifting mechanism and button-sewing machine |
| CN112496508A (en) * | 2020-11-25 | 2021-03-16 | 丹阳同泰化工机械有限公司 | Welding device and welding method for chemical container composite plate |
| CN112496508B (en) * | 2020-11-25 | 2022-04-15 | 丹阳同泰化工机械有限公司 | Welding device and welding method for chemical container composite plate |
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| Publication number | Publication date |
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| CN105525448B (en) | 2018-06-05 |
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Address after: No. 193, Xinxin Middle Road, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Meiji Technology Group 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. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Sewing machine head with built-in presser foot lifting mechanism Effective date of registration: 20230902 Granted publication date: 20180605 Pledgee: Wenling sub branch of Postal Savings Bank of China Ltd. Pledgor: Meiji Technology Group Co.,Ltd. Registration number: Y2023980054984 |