CN104499203A - Thread releasing device allowing automatic thread shearing and automatic press foot lifting - Google Patents
Thread releasing device allowing automatic thread shearing and automatic press foot lifting Download PDFInfo
- Publication number
- CN104499203A CN104499203A CN201510009042.6A CN201510009042A CN104499203A CN 104499203 A CN104499203 A CN 104499203A CN 201510009042 A CN201510009042 A CN 201510009042A CN 104499203 A CN104499203 A CN 104499203A
- Authority
- CN
- China
- Prior art keywords
- thread
- driver
- presser foot
- steel wire
- automatic
- Prior art date
- 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
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
- D05B47/04—Automatically-controlled tensioning devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
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- 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
- D05D2207/02—Pneumatic or hydraulic devices
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing machines and particularly relates to a thread releasing device allowing automatic thread shearing and automatic press foot lifting. A thread shearing driver is fixed on a casing through a thread shearing driver installation plate, a press foot lifting driver is fixed on the casing through a press foot lifting driver installation plate, one end of each steel wire rope is fixedly arranged on a thread releasing crank handle, the other end of one steel wire rope is connected with the thread shearing driver through a fixed block, the other end of the other steel wire rope is fixedly arranged on a press foot lifting wrench of the press foot lifting device, the thread releasing crank handle is connected with the press foot lifting wrench, and the thread releasing crank handle is connected with a thread clip assembly through a thread releasing shaft. The thread releasing device can achieve the thread releasing effect during thread shearing and press foot lifting. The drivers and the thread releasing crank handle are connected through the steel wire ropes, the steel wire ropes can be bended randomly, and the generality is high. When the position of the driver is changed, redesign is not required, and a user can simply adjust the length of the steel wire ropes.
Description
Technical field:
The invention belongs to sewing machine technique field, refer in particular to the thread-loosening device of a kind of automatic shearing and automatic needle-foot-lifting.
Background technology:
Due to when carrying out automatic shearing, in order to ensure that suture can successfully be cut off, generally need to carry out loose ends while trimming.Therefore, existing flat seaming machine is provided with the thread-loosening device coordinating automatic shearing.But the thread-loosening device of automatic shearing only just can realize loose ends when doing trimming action, when doing presser foot lifter action, then cannot play loose ends effect, the phenomenons such as broken string can be caused, need operating personnel again to thread a needle, make troubles to production.
Summary of the invention:
The object of this invention is to provide and a kind ofly all can realize the automatic shearing of automatic loose ends and the thread-loosening device of automatic needle-foot-lifting when automatic shearing and automatic needle-foot-lifting.
The present invention is achieved in that
The thread-loosening device of a kind of automatic shearing and automatic needle-foot-lifting, comprise the trimming driver of cutting facility and the presser foot lifter driver of presser foot lifting device, trimming driver is fixed on casing by trimming driver installing plate, presser foot lifter driver is fixed on casing by presser foot lifter driver installing plate, one end of two steel wire ropes is all installed on loose ends crank, wherein the other end of steel cable is connected with trimming driver by fixed block, the other end of another steel cable is installed in lifting of presser foot lifting device and presses on spanner, loose ends crank is connected with presser foot lifter spanner, loose ends crank is connected with tension disk assembly by thread tension releasing lever rod.
Wire-passing tube is respectively installed with outside two above-mentioned steel wire ropes, one end of two wire-passing tubes is all installed on bearing by position-limiting tube, bearing is fixed on casing, wherein the other end of a wire-passing tube is installed on bracing wire seat by position-limiting tube, bracing wire seat is fixed on presser foot lifter driver installing plate, the other end of another root wire-passing tube is installed on trimming driver installing plate by position-limiting tube, and the two ends of two steel wire ropes are each passed through corresponding position-limiting tube.
Above-mentioned trimming driver installing plate is provided with buffer bar, and the two ends of buffer bar are stretched out outside installing plate, and one end is connected with the outer end of motion bar, the other end is provided with fixed block.
Above-mentioned trimming driver, presser foot lifter driver are electromagnet or cylinder.
The advantage that the present invention gives prominence to compared to existing technology is:
1, the present invention can play loose ends effect when doing trimming action and presser foot lifter action respectively, and driver and loose ends crank are all be connected by steel wire rope, steel wire rope can bend arbitrarily, versatility is stronger, when drive location changes, also do not need to redesign, only need adjust the length of lower steel wire rope;
2, to the invention solves when presser foot lifter the drawback that not loose ends causes, improve the quality of Sewing machines, bring certain facility to production.
Accompanying drawing illustrates:
Fig. 1 is one of the present invention's schematic diagram of being arranged on casing;
Fig. 2 is the schematic diagram two that the present invention is arranged on casing;
Fig. 3 is schematic diagram of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, see Fig. 1-3:
The thread-loosening device of a kind of automatic shearing and automatic needle-foot-lifting, comprise the trimming driver 1 of cutting facility and the presser foot lifter driver 2 of presser foot lifting device, trimming driver 1 saves on 4 under being fixed on casing by trimming driver installing plate 3, presser foot lifter driver 2 is fixed on casing by presser foot lifter driver installing plate 5 and saves on 6, one end of two steel wire ropes 7,8 is all installed on loose ends crank 9, wherein the other end of steel cable 8 is connected with trimming driver 1 by fixed block 10, and the other end of steel wire rope 8 to be located in fixed block 10 and to be fixed by screw.The other end of another steel cable 7 is installed in lifting on pressure spanner 11 of presser foot lifting device, and the other end of steel wire rope 7 is located in steady pin 25, and steady pin 25 is fixed on to be lifted on pressure spanner 11, and on steady pin 25, steel wire rope 7 is fixed by the radial screw arranged.Loose ends crank 9 is connected with presser foot lifter spanner 11, and loose ends crank 9 is connected with tension disk assembly 13 by thread tension releasing lever rod 12.
Lift pressure spanner 11 on be provided with pilot hole 26, loose ends crank 9 is provided with the axis of guide 27, the axis of guide 27 is arranged in pilot hole 26, and moves along pilot hole 26.
Wire-passing tube 14,15 is respectively installed with outside above-mentioned two steel wire ropes 7,8, one end of two wire-passing tubes 14 is all installed on bearing 17 by position-limiting tube 16, bearing 17 is fixed on casing and saves on 6, wherein the other end of a wire-passing tube 14 is installed on bracing wire seat 18 by position-limiting tube 15, bracing wire seat 18 is fixed on presser foot lifter driver installing plate 5, the other end of another root wire-passing tube 15 is installed on trimming driver installing plate 3 by position-limiting tube 16, and the two ends of two steel wire ropes 7,8 are each passed through corresponding position-limiting tube 15.
One end of two steel wire ropes 7,8 is by the cable-through hole on screw, and one end of screw is fixed by nut 19 tightening one end by two steel wire ropes 7,8 through the installing hole on loose ends crank 9.
Above-mentioned trimming driver installing plate 3 is provided with buffer bar, and the two ends of buffer bar are stretched out outside installing plate 3, and one end is connected with the outer end of motion bar, the other end is provided with fixed block 10.
The concrete structure of buffer bar is: include guide post 20, the axis being parallel of the axis of guide post 20 and the motion bar 21 of driver, guide post 20 is provided with back-up ring 22, spring 23 is sleeved on outside guide post 20, one end of spring 23 holds out against on installing plate 3, the other end holds out against on back-up ring 22, and one end of guide post 20 is connected with the outer end of motion bar 21 by connecting rod 24, the other end is provided with fixed block 10.
Above-mentioned trimming driver 1, presser foot lifter driver 2 are electromagnet or cylinder.
Operation principle of the present invention is:
When trimming driver 1 works, trimming driver 1 drives loose ends crank 9 to X-direction motion by wire 8, and another root wire 7 is bending under the drive of loose ends crank 9.When presser foot lifter driver 2 works, presser foot lifter driver 2 drives loose ends crank 9 to X-direction motion by wire 7, and another root wire 8 is bending under the drive of loose ends crank 9.Loose ends crank 9 drives thread tension releasing lever rod 12 to rotate and then drives tension disk assembly 13 to play loose ends effect.So can play loose ends effect when flat seaming machine does trimming action and presser foot lifter action respectively.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore: all equivalence changes done according to shape of the present invention, structure, principle, all should be covered by within protection scope of the present invention.
Claims (4)
1. the thread-loosening device of an automatic shearing and automatic needle-foot-lifting, comprise the trimming driver of cutting facility and the presser foot lifter driver of presser foot lifting device, trimming driver is fixed on casing by trimming driver installing plate, presser foot lifter driver is fixed on casing by presser foot lifter driver installing plate, it is characterized in that: one end of two steel wire ropes is all installed on loose ends crank, wherein the other end of steel cable is connected with trimming driver by fixed block, the other end of another steel cable is installed in lifting of presser foot lifting device and presses on spanner, loose ends crank is connected with presser foot lifter spanner, loose ends crank is connected with tension disk assembly by thread tension releasing lever rod.
2. the thread-loosening device of a kind of automatic shearing according to claim 1 and automatic needle-foot-lifting, it is characterized in that: outside two described steel wire ropes, be respectively installed with wire-passing tube, one end of two wire-passing tubes is all installed on bearing by position-limiting tube, bearing is fixed on casing, wherein the other end of a wire-passing tube is installed on bracing wire seat by position-limiting tube, bracing wire seat is fixed on presser foot lifter driver installing plate, the other end of another root wire-passing tube is installed on trimming driver installing plate by position-limiting tube, and the two ends of two steel wire ropes are each passed through corresponding position-limiting tube.
3. the thread-loosening device of a kind of automatic shearing according to claim 1 and automatic needle-foot-lifting, it is characterized in that: described trimming driver installing plate is provided with buffer bar, the two ends of buffer bar are stretched out outside installing plate, and one end is connected with the outer end of motion bar, the other end is provided with fixed block.
4. the thread-loosening device of a kind of automatic shearing according to claim 1 and automatic needle-foot-lifting, is characterized in that: described trimming driver, presser foot lifter driver are electromagnet or cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009042.6A CN104499203B (en) | 2015-01-08 | 2015-01-08 | A kind of thread-loosening device of automatic shearing and automatic needle-foot-lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009042.6A CN104499203B (en) | 2015-01-08 | 2015-01-08 | A kind of thread-loosening device of automatic shearing and automatic needle-foot-lifting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104499203A true CN104499203A (en) | 2015-04-08 |
| CN104499203B CN104499203B (en) | 2018-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510009042.6A Active CN104499203B (en) | 2015-01-08 | 2015-01-08 | A kind of thread-loosening device of automatic shearing and automatic needle-foot-lifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104499203B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442202A (en) * | 2015-12-28 | 2016-03-30 | 杰克缝纫机股份有限公司 | Sewing machine thread loosening mechanism and thread loosening method thereof |
| CN105568574A (en) * | 2015-12-24 | 2016-05-11 | 杰克缝纫机股份有限公司 | Line holder component and flat seaming machine |
| CN110219101A (en) * | 2019-03-18 | 2019-09-10 | 浙江翔科缝纫机股份有限公司 | A kind of sewing machine and presser foot lifter thread releasing mechanism |
| CN112877929A (en) * | 2020-12-31 | 2021-06-01 | 浙江美机缝纫机有限公司 | Thread cutting and loosening mechanism of sewing machine |
-
2015
- 2015-01-08 CN CN201510009042.6A patent/CN104499203B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568574A (en) * | 2015-12-24 | 2016-05-11 | 杰克缝纫机股份有限公司 | Line holder component and flat seaming machine |
| CN105568574B (en) * | 2015-12-24 | 2018-09-28 | 杰克缝纫机股份有限公司 | A kind of clamp device assembly and flat seaming machine |
| CN105442202A (en) * | 2015-12-28 | 2016-03-30 | 杰克缝纫机股份有限公司 | Sewing machine thread loosening mechanism and thread loosening method thereof |
| CN105442202B (en) * | 2015-12-28 | 2018-08-28 | 杰克缝纫机股份有限公司 | A kind of thread releasing mechanism for sewing machine and its loose ends method |
| CN110219101A (en) * | 2019-03-18 | 2019-09-10 | 浙江翔科缝纫机股份有限公司 | A kind of sewing machine and presser foot lifter thread releasing mechanism |
| CN112877929A (en) * | 2020-12-31 | 2021-06-01 | 浙江美机缝纫机有限公司 | Thread cutting and loosening mechanism of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104499203B (en) | 2018-03-20 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318000 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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