CN203602872U - Lockstitch sewing machine special for chained belt loops - Google Patents
Lockstitch sewing machine special for chained belt loops Download PDFInfo
- Publication number
- CN203602872U CN203602872U CN201320778035.9U CN201320778035U CN203602872U CN 203602872 U CN203602872 U CN 203602872U CN 201320778035 U CN201320778035 U CN 201320778035U CN 203602872 U CN203602872 U CN 203602872U
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- CN
- China
- Prior art keywords
- eccentric wheel
- sewing
- feed dog
- looper
- driving shaft
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- Expired - Fee Related
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Abstract
The utility model relates to sewing equipment, in particular to a lockstitch sewing machine special for chained belt loops. The lockstitch sewing machine special for the chained belt loops comprises a machine shell and a sewing mechanism arranged in the machine shell and is further provided with a motor driving the sewing mechanism. The sewing mechanism comprises a vertical puncturing mechanism and a looper thread hooking mechanism. The vertical puncturing mechanism comprises a front pressing pin pushed by a pushing mechanism to move in a reciprocating mode. One end of the front pressing pin is matched with an edge covering sleeve in an inserted mode, wherein the edge covering sleeve is fixed. An outlet in one end of the edge covering sleeve corresponds to the working face of a rear feed dog and the working face of a faller. A front feed dog operation synchronously with the rear feed dog is arranged below the front pressing pin. According to the lockstitch sewing machine special for the chained belt loops, the condition that a sewed material deviates is avoided, the percent of pass of sewed finished products is greatly improved, and the sewing performance is high.
Description
Technical field
The utility model relates to a kind of sewing device, refers in particular to the special flat seam machine of a kind of chain type money trousers ear.
Background technology
Existing trousers earphone one has two kinds, is respectively the trousers earphone of blind stitching machine money and the trousers earphone of multi-needle machine money.
1) blind stitching machine money trousers earphone:
Feature: sewing thread trace is invisible, has passed on the marrow of blind stitching machine.
Weak point: a) speed: maximum speed can only be crossed 1800 revs/min.
B) scope of application: the sewing of dress trousers trousers ear, inapplicable thick material.
C) cutoff knife rack: very weak being easy to of cutoff knife rack damaged, and blade is easy to wearing and tearing.
2) multi-needle machine money trousers earphone:
Feature: sewing usability is extensive, is the trousers earphone of optimum efficiency so far.
Weak point: a) speed: maximum speed also can only reach 1800 revs/min.
B) scope of application: in the sewing of thick material and common fabric, for poor compared with sake material sewing property.
C) presser foot: two presser foots before and after machine has, but two presser feets can not independently use, and in the time entering cloth when presser foot lifter before presser feet can lift together with rear presser feet, thereby sewing can positioning under empty needle state, impact sewing product qualified rate.
Utility model content
The technical problem that one, will solve
The purpose of this utility model is for the existing the problems referred to above of prior art, and it is a kind of rational in infrastructure that spy provides, and sewing efficiency is good, the special flat seam machine of chain type money trousers ear that sewing performance is strong.
Two, technical scheme
For solving the problems of the technologies described above, the special flat seam machine of the utility model chain type money trousers ear, include casing and be arranged on the sewing mechanism in casing, also be provided with the motor that drives this sewing mechanism, wherein, above-mentioned sewing mechanism includes puncture up and down mechanism and looper string-hooking mechanism, the above-mentioned mechanism that punctures up and down comprises by pushing mechanism and promotes the front presser feet moving back and forth, peg graft and coordinate with a securing bound edge cover in one end of this front presser feet, the outlet of above-mentioned bound edge cover one end is corresponding with the working face of rear feed dog and needle plate, above-mentioned front presser feet below is provided with the front feed dog with rear feed dog synchronous operation.
As optimization, above-mentioned looper string-hooking mechanism includes the eccentric wheel setting gradually, connecting rod of eccentric wheel, needle bearing, eccentric wheel cover plate, curved needle crank, looper driving shaft bulb assembly and curved needle seat, above-mentioned connecting rod of eccentric wheel is socketed on eccentric wheel, needle bearing is arranged between connecting rod of eccentric wheel and eccentric wheel, eccentric wheel cover plate is arranged on connecting rod of eccentric wheel, curved needle crank is fixed on eccentric wheel cover plate, above-mentioned looper driving shaft bulb assembly and curved needle crank socket, above-mentioned curved needle seat is fastened on looper driving shaft bulb assembly, above-mentioned looper string-hooking mechanism is driven by main shaft.
As optimization, above-mentioned main shaft is divided into main shaft, lower main axis and driving shaft, and above-mentioned upper main shaft and lower main axis drive forward and backward feed dog synchronous operation by feeding rod.
As optimization, above-mentioned looper string-hooking mechanism is driven by driving shaft.
Three, the beneficial effects of the utility model
Pass on every advantage of present spininess money trousers earphone, carry out secondary development by the flat seam machine that relative price is cheap, thereby declined in price point, also allow people be more prone to accept, also be conducive to ensuing popularization on a large scale, improve for the every deficiency of spininess money trousers earphone, desin speed is adjusted to 2800 revs/min by the existing special flat seam machine of chain type money trousers ear, before, rear presser feet only need lift front binder feeding while adopting independent agency charging and enter, and presser feet can not pressed sewing yet, not there will be the situation of sewing positioning to occur, improve greatly the qualification rate of sewing finished product, also improve in front feed dog mechanism in addition, adopt top and bottom feed to synchronize and can independently adjust with rear feed dog, the sewability in the time of the fabric of sewing different is more strengthened like this.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the special flat seam machine of the utility model chain type money trousers ear is described further:
Fig. 1 is the special flat seam machine perspective view of the utility model chain type money trousers ear;
Fig. 2 is puncture the up and down part-structure exploded view of mechanism of the utility model;
Fig. 3 is the exploded view of the utility model looper string-hooking mechanism.
In figure, 1 is front presser feet, and 2 is bound edge cover, and 3 is rear feed dog, and 4 is needle plate, 6 is eccentric wheel, and 7 is connecting rod of eccentric wheel, and 8 is needle bearing, and 9 is eccentric wheel cover plate, and 10 is curved needle crank, 11 is looper driving shaft bulb assembly, and 12 is curved needle seat, and 13 is upper main shaft, and 14 is lower main axis, and 15 is driving shaft.
The specific embodiment
Embodiment one: as shown in Figures 1 to 3, the special flat seam machine of the utility model chain type money trousers ear, include casing and be arranged on the sewing mechanism in casing, also be provided with the motor that drives this sewing mechanism, wherein, above-mentioned sewing mechanism includes puncture up and down mechanism and looper string-hooking mechanism, the above-mentioned mechanism that punctures up and down comprises by pushing mechanism and promotes the front presser feet 1 moving back and forth, peg graft and coordinate with a securing bound edge cover 2 in one end of this front presser feet 1, it is corresponding with the working face of rear feed dog 3 and needle plate 4 that above-mentioned bound edge overlaps the outlet of 2 one end, above-mentioned front presser feet 1 below is provided with the front feed dog with rear feed dog 3 synchronous operations.
Above-mentioned looper string-hooking mechanism includes the eccentric wheel 6 setting gradually, connecting rod of eccentric wheel 7, needle bearing 8, eccentric wheel cover plate 9, curved needle crank 10, looper driving shaft bulb assembly 11 and curved needle seat 12, above-mentioned connecting rod of eccentric wheel 7 is socketed on eccentric wheel 6, needle bearing 8 is arranged between connecting rod of eccentric wheel 7 and eccentric wheel 6, eccentric wheel cover plate 9 is arranged on connecting rod of eccentric wheel 7, curved needle crank 10 is fixed on eccentric wheel cover plate 9, above-mentioned looper driving shaft bulb assembly 11 is socketed with curved needle crank 10, above-mentioned curved needle seat 12 is fastened on looper driving shaft bulb assembly 11, above-mentioned looper string-hooking mechanism is driven by main shaft.
Above-mentioned main shaft is divided into main shaft 13, lower main axis 14 and driving shaft 15, and above-mentioned upper main shaft 13 and lower main axis 14 drive forward and backward feed dog 3 synchronous operations by feeding rod; Above-mentioned looper string-hooking mechanism is driven by driving shaft 15.
Desin speed is adjusted to 2800 revs/min by the existing special flat seam machine of chain type money trousers ear, forward and backward presser feet only need lift front binder feeding while adopting independent agency charging and enter, and presser feet can not pressed sewing yet, not there will be the situation of sewing positioning to occur, improved greatly the qualification rate of sewing finished product; Also improve in front feed dog mechanism in addition, adopt top and bottom feed to synchronize and can independently adjust with rear feed dog, the sewability in the time of the fabric of sewing different is more strengthened like this.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. the special flat seam machine of chain type money trousers ear, include casing and be arranged on the sewing mechanism in casing, also be provided with the motor that drives this sewing mechanism, it is characterized in that: described sewing mechanism includes puncture up and down mechanism and looper string-hooking mechanism, the described mechanism that punctures up and down comprises by pushing mechanism and promotes the front presser feet moving back and forth, peg graft and coordinate with a securing bound edge cover in one end of this front presser feet, the outlet of described bound edge cover one end is corresponding with the working face of rear feed dog and needle plate, and described front presser feet below is provided with the front feed dog with rear feed dog synchronous operation.
2. the special flat seam machine of chain type money trousers ear according to claim 1, it is characterized in that: described looper string-hooking mechanism includes the eccentric wheel setting gradually, connecting rod of eccentric wheel, needle bearing, eccentric wheel cover plate, curved needle crank, looper driving shaft bulb assembly and curved needle seat, described connecting rod of eccentric wheel is socketed on eccentric wheel, needle bearing is arranged between connecting rod of eccentric wheel and eccentric wheel, eccentric wheel cover plate is arranged on connecting rod of eccentric wheel, curved needle crank is fixed on eccentric wheel cover plate, described looper driving shaft bulb assembly and curved needle crank socket, described curved needle seat is fastened on looper driving shaft bulb assembly, described looper string-hooking mechanism is driven by main shaft.
3. the special flat seam machine of chain type money trousers ear according to claim 2, is characterized in that: described main shaft is divided into main shaft, lower main axis and driving shaft, and described upper main shaft and lower main axis drive forward and backward feed dog synchronous operation by feeding rod.
4. the special flat seam machine of chain type money trousers ear according to claim 3, is characterized in that: described looper string-hooking mechanism is driven by driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778035.9U CN203602872U (en) | 2013-11-20 | 2013-11-20 | Lockstitch sewing machine special for chained belt loops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778035.9U CN203602872U (en) | 2013-11-20 | 2013-11-20 | Lockstitch sewing machine special for chained belt loops |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203602872U true CN203602872U (en) | 2014-05-21 |
Family
ID=50715558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320778035.9U Expired - Fee Related CN203602872U (en) | 2013-11-20 | 2013-11-20 | Lockstitch sewing machine special for chained belt loops |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203602872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059270A (en) * | 2016-12-28 | 2017-08-18 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its damper mechanism |
-
2013
- 2013-11-20 CN CN201320778035.9U patent/CN203602872U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059270A (en) * | 2016-12-28 | 2017-08-18 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its damper mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20141120 |
|
| EXPY | Termination of patent right or utility model |