CN202144554U - Transmission mechanism for automatic thread cutting device of straight tube-type sewing machine - Google Patents
Transmission mechanism for automatic thread cutting device of straight tube-type sewing machine Download PDFInfo
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- CN202144554U CN202144554U CN201120228824U CN201120228824U CN202144554U CN 202144554 U CN202144554 U CN 202144554U CN 201120228824 U CN201120228824 U CN 201120228824U CN 201120228824 U CN201120228824 U CN 201120228824U CN 202144554 U CN202144554 U CN 202144554U
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- connecting rod
- sewing machines
- driver
- transmission mechanism
- type sewing
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Abstract
The utility model provides a transmission mechanism for the automatic thread cutting device of a straight tube-type sewing machine. The straight tube-type sewing machine is provided with an operation platform and a driver, wherein a connecting rod driven by the driver is arranged on the operation platform; one end of the connecting rod is connected with a pivot piece; the pivot piece is arranged on the operation platform through a shaft and is connected with a movable blade; and a fixed blade corresponding to the movable blade is arranged on the operation platform. The driver drives the connecting rod to conduct a linear motion, so that the pivot piece is pushed to drive the movable blade to pivot, and the movable blade is opened and closed relative to the fixed blade to cut a thread. Moreover, a connecting end inclined relative to the connecting rod extends from the connecting rod and is provided with a connecting convex pillar; the pivot piece is provided with a notch correspondingly connected with the convex pillar; and the connection convex pillar is arranged in the notch in a matched manner, so that the connecting rod drives the pivot piece. Therefore, the amount of parts is reduced, and the difficulty and the cost in production are reduced.
Description
Technical field
The utility model relates to a kind of transmission mechanism of straight barrel type Sewing machines automatic tangent apparatus, relates in particular to the transmission mechanism that automatic tangent apparatus on a kind of interlock Sewing machines carries out tangent line.
Background technology
It is quite skillful that sewing machine technique has developed, and this technology provides textile industry can use quite fast and the mode of tool economic benefit, for people produce inexpensive ready-made clothes.
Shown in TaiWan, China I225525 patent case, this patent case discloses a kind of automatic tangent apparatus of straight barrel type Sewing machines, and it includes a thread cutter, an interlinked mechanism and a driver; Wherein, This thread cutter comprises a trimming blade and a fixed blade, and trimming blade and fixed blade are fixed in the sewing platform top of Sewing machines, and this fixed blade comprises fixed blade and reaches fixed blade down; This upper and lower fixed blade is superimposed fixing; But leave a space therebetween, when the trimming blade rotation is passed through upper and lower fixed blade, cut off yarn; This interlinked mechanism comprises a turning part, one first crank, one second crank, one first trace and one second trace, more than interconnect in regular turn, and this second trace is connected to the trimming blade again; This driver provides this interlinked mechanism to make bidirectional-movement, cuts off yarn with the interlock thread cutter, and actuator frame is located on the support portion, and the turning part of this support portion and interlinked mechanism joins.
Pass through said structure; This patent case can provide power that this trimming blade of interlinked mechanism interlock is turned between upper and lower fixed blade through this driver, needlework can be cut off earlier, and filling is held again after being cut off; When using Sewing machines once again, do not have again the puzzlement of threading.But the component part of the automatic tangent apparatus that this patent case is disclosed is too much, not only can increase the difficulty of production cost and processing, and each part can influence the precision of this automatic tangent apparatus adding the error that produces man-hour, and causes the puzzlement in the operation.
The utility model content
The main purpose of the utility model is to improve above-mentioned disappearance, with the number of minimizing part, and then saves production cost, and promotes the precision of operation.
For reaching above-mentioned purpose, the utility model proposes a kind of transmission mechanism of straight barrel type Sewing machines automatic tangent apparatus, and this Sewing machines has an operating platform and is provided with a driver; This operating platform be provided with one receive this driver interlock connecting rod, this connecting rod one end link one be located in operating platform pivotal part, and this pivotal part links a movable blades is arranged; This Sewing machines be provided with one mutually should movable blades fixed blade, make this connecting rod rectilinear motion of this driver interlock, drive this movable blades and pivot to promote this pivotal part; Make relative this fixed blade folding of this movable blades reach tangent line, wherein, this connecting rod extends the link that is provided with relative this connecting rod inclination; This link has one and connects projection; And this pivotal part has a pair of breach that should connect projection, and this connection projection is disposed at this breach, makes this this pivotal part of connecting rod interlock.
In the specific embodiment of the utility model; This pivotal part is provided with the locating slot of fixing this connection projection in this breach; This connecting rod and this operating platform are respectively equipped with elongated hole and circular hole; And be provided with one wear this elongated hole and this circular hole fixture, make this connecting rod can on this job platform, carry out rectilinear motion; And this driver is connected with a working arm, and this working arm and this connecting rod vertical junction establish, and this Sewing machines is provided with the holder of fixing this driver, and this holder be provided with one connect this working arm elastic component; And this fixed blade comprises on one dead knife and dead knife once, and should go up between dead knife and this time dead knife and be provided with pad, the space that this movable blades of formation confession passes through.
Description of drawings
Fig. 1 is the schematic appearance of the utility model;
Fig. 2 is the STRUCTURE DECOMPOSITION sketch map of the utility model;
Fig. 3-1 is the work sketch map of the utility model to Fig. 3-3.
The specific embodiment
Detailed description of relevant the utility model and technology contents just cooperate graphic explanation following at present:
See also Fig. 1 and shown in Figure 2, the utility model provides a kind of transmission mechanism of straight barrel type Sewing machines automatic tangent apparatus, and this Sewing machines 10 has an operating platform 11; This Sewing machines 10 also is provided with a holder 20 so that a driver 21 to be set in a side of this operating platform 11; Wherein, this operating platform 11 is provided with a connecting rod 30, and this connecting rod 30 is respectively equipped with elongated hole 31 and circular hole 12 with this operating platform 11; And be provided with one wear this elongated hole 31 and this circular hole 12 fixture 33; This connecting rod 30 can be moved relative to this operating platform 11, and this driver 21 can be a two-way electromagnet, and be connected with a working arm 22; This working arm 22 is established with these connecting rod 30 vertical junction; And this holder 20 be provided with one connect this working arm 22 elastic component 23, make this connecting rod 30 receive this driver 21 interlocks, and can be on this operating platform 11 rectilinear motion reciprocally.
In addition, be pivoted with a pivotal part 40 on this operating platform 11, this pivotal part 40 is the element of a U font and links this connecting rod 30 1 ends; Wherein, this connecting rod 30 extends the link 32 that is provided with relative these connecting rod 30 inclinations, and this link 32 has one and connects projection 321; And this pivotal part 40 has a pair of breach 41 that should connect projection 321, and this connection projection 321 is disposed at this breach 41, makes this this pivotal part 40 of connecting rod 30 interlocks; And this pivotal part 40 is provided with the locating slot 411 of fixing this connection projection 321 in this breach 41; In addition, this pivotal part 40 links has a movable blades 50, this Sewing machines 10 in the front end of this operating platform 11 be provided with one mutually should movable blades 50 fixed blade 51; This fixed blade 51 comprises on one dead knife 511 and dead knife 512 once; And should go up between dead knife 511 and this time dead knife 512 and be provided with pad 513, form the space that supplies this movable blades 50 to pass through, promptly constitute the main framework of the utility model.
See also Fig. 3-1 to shown in Fig. 3-3, driver 21 can provide a continuous bidirectional-movement, when driver 21 provides power that this working arm 22 is moved forward; Just but this connecting rod 30 of interlock travels forward; Make this connecting rod 30 promote these pivotal parts 40 and turn clockwise, and this movable blades 50 receives this pivotal part 40 interlocks, also change 512 of dead knife 511 and following dead knives toward the clockwise direction over to; At this moment, needlework are cut off (shown in Fig. 3-1) by this movable blades 50 with fixed blade 51; And when driver 21 provides power that this working arm 22 is moved backward; Interlock mode and above-mentioned opposite; This connecting rod 30 moves backward and spurs this pivotal part 40 and is rotated counterclockwise; Make this movable blades 50 receive these pivotal part 40 interlocks and be rotated counterclockwise, and outside this operating platform 11 side shifting, make filling cut off the back and fixed (shown in Fig. 3-2 and Fig. 3-3).
In sum, the utility model mainly is to extend the link 32 that is provided with an inclination through this connecting rod 30, and this link 32 has a connection projection 321; And this pivotal part 40 has a pair of breach 41 that should connect projection 321, and this connection projection 321 is disposed at this breach 41, makes this this pivotal part 40 of connecting rod 30 interlocks; Reduce part thus; Not only can reduce difficulty of processing and cost, also can reduce the mismachining tolerance of part, the precision of tangent line during with the lifting sewing operation.
The above is merely the preferable possible embodiments of the utility model, and the protection domain of non-so limitation the utility model is so the equivalence techniques that all utilization the utility model are done variation all is contained in the protection domain of the utility model.
Claims (6)
1. the transmission mechanism of a straight barrel type Sewing machines automatic tangent apparatus; This Sewing machines (10) has an operating platform (11) and is provided with a driver (21); This operating platform (11) be provided with one receive this driver (21) interlock connecting rod (30), these connecting rod (30) one ends link one be located in operating platform (11) pivotal part (40), and this pivotal part (40) links a movable blades (50) is arranged; This Sewing machines (10) be provided with one mutually should movable blades (50) fixed blade (51); This driver (21) this connecting rod of interlock (30) rectilinear motion promotes this pivotal part (40) and drives this movable blades (50) pivot, and this movable blades (50) this fixed blade (51) folding relatively reaches tangent line; It is characterized in that
This connecting rod (30) extends the link (32) that is provided with relative this connecting rod (30) inclination; This link (32) has one and connects projection (321); And this pivotal part (40) has a pair of breach (41) that should connect projection (321); This connection projection (321) is disposed at this breach (41), this connecting rod (30) this pivotal part of interlock (40).
2. the transmission mechanism of straight barrel type Sewing machines automatic tangent apparatus as claimed in claim 1 is characterized in that, said this pivotal part (40) is provided with the locating slot (411) of fixing this connection projection (321) in this breach (41).
3. the transmission mechanism of straight barrel type Sewing machines automatic tangent apparatus as claimed in claim 1; It is characterized in that; Said this connecting rod (30) and this operating platform (11) are respectively equipped with elongated hole (31) and circular hole (12), and be provided with one wear this elongated hole (31) and this circular hole (12) fixture (33).
4. the transmission mechanism of straight barrel type Sewing machines automatic tangent apparatus as claimed in claim 1 is characterized in that, said this driver (21) is connected with a working arm (22), and this working arm (22) is established with this connecting rod (30) vertical junction.
5. the transmission mechanism of straight barrel type Sewing machines automatic tangent apparatus as claimed in claim 4; It is characterized in that; Said this Sewing machines (10) is provided with the holder (20) of fixing this driver (21), and this holder (20) is provided with the elastic component (23) of this working arm of connection (22).
6. the transmission mechanism of straight barrel type Sewing machines automatic tangent apparatus as claimed in claim 1; It is characterized in that; Said this fixed blade (51) comprises dead knife on (511) and reaches dead knife (512); And should go up between dead knife (511) and this time dead knife (512) and be provided with pad (513), form the space that supplies this movable blades (50) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120228824U CN202144554U (en) | 2011-06-27 | 2011-06-27 | Transmission mechanism for automatic thread cutting device of straight tube-type sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120228824U CN202144554U (en) | 2011-06-27 | 2011-06-27 | Transmission mechanism for automatic thread cutting device of straight tube-type sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202144554U true CN202144554U (en) | 2012-02-15 |
Family
ID=45580487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120228824U Expired - Lifetime CN202144554U (en) | 2011-06-27 | 2011-06-27 | Transmission mechanism for automatic thread cutting device of straight tube-type sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202144554U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630997A (en) * | 2015-03-07 | 2015-05-20 | 杰克缝纫机股份有限公司 | Built-in thread trimming electromagnet mechanism for sewing machine |
| CN105803697A (en) * | 2016-05-26 | 2016-07-27 | 杰克缝纫机股份有限公司 | Chain stitch loosing prevention device |
| CN109306576A (en) * | 2018-12-04 | 2019-02-05 | 杰克缝纫机股份有限公司 | Cutting facility and its control method on a kind of sewing machine |
-
2011
- 2011-06-27 CN CN201120228824U patent/CN202144554U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630997A (en) * | 2015-03-07 | 2015-05-20 | 杰克缝纫机股份有限公司 | Built-in thread trimming electromagnet mechanism for sewing machine |
| CN104630997B (en) * | 2015-03-07 | 2017-05-17 | 杰克缝纫机股份有限公司 | Built-in thread trimming electromagnet mechanism for sewing machine |
| CN105803697A (en) * | 2016-05-26 | 2016-07-27 | 杰克缝纫机股份有限公司 | Chain stitch loosing prevention device |
| CN109306576A (en) * | 2018-12-04 | 2019-02-05 | 杰克缝纫机股份有限公司 | Cutting facility and its control method on a kind of sewing machine |
| CN109306576B (en) * | 2018-12-04 | 2021-03-16 | 杰克缝纫机股份有限公司 | Thread trimming device on sewing machine and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120215 |
|
| CX01 | Expiry of patent term |