CN204982332U - Thread cutting mechanism of double-needle sewing machine - Google Patents
Thread cutting mechanism of double-needle sewing machine Download PDFInfo
- Publication number
- CN204982332U CN204982332U CN201520606250.XU CN201520606250U CN204982332U CN 204982332 U CN204982332 U CN 204982332U CN 201520606250 U CN201520606250 U CN 201520606250U CN 204982332 U CN204982332 U CN 204982332U
- Authority
- CN
- China
- Prior art keywords
- trimming
- clamping sleeve
- sewing machine
- knife
- moving knife
- 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.)
- Expired - Fee Related
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 40
- 238000009966 trimming Methods 0.000 claims abstract description 39
- 238000010586 diagram Methods 0.000 description 3
- 238000010417 needlework Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to the technical field of two-needle sewing machine, refer in particular to a two-needle sewing machine's thread trimming mechanism, be provided with on the aircraft nose of sewing machine and move the sword and order about the drive arrangement that moves the sword oscilaltion, be provided with the trimming hole site in the frame of sewing machine, the trimming hole site sets up under moving the sword, the trimming hole site internal fixation is provided with move the sword and cooperate the stationary knife of trimming, be provided with compressing tightly the cover on the cutter arbor of moving the sword, compress tightly the cover and can follow the cutter arbor oscilaltion, compress tightly and sheathe in and be provided with resetting means, resetting means makes compressing tightly the cover have descending trend; when the movable knife moves downwards to a certain position, the lower part of the pressing sleeve is tightly propped against the machine frames on the left side and the right side of the thread trimming hole position. The utility model discloses a stationary knife with move sword cooperation trimming, the trimming is effectual, in addition, move the sword down when a position, compress tightly the lower part of cover and support tightly in the frame of the left and right both sides of trimming hole site, compress tightly the cover and can press the system line on the trimming hole site, the system line of making up is in the state of tightening, the trimming of being convenient for.
Description
Technical field
The utility model belongs to two-needle sewing machine technical field, refers in particular to a kind of thread cutting mechanism of two-needle sewing machine.
Background technology
ZL201410033081.5 discloses a kind of MULTI NEEDLE FLAT AEWING MACHINE Sewing machines being provided with cutting facility, comprise frame, transmission mechanism that head of sewing machine, control head carry out sewing up, first connecting rod, second connecting rod, the retractor device be arranged on head of sewing machine, needlework portion, presser feet, cutting knife and objective table; Described frame is provided with head of sewing machine and transmission mechanism; Described connecting gear is connected with head of sewing machine; The first connecting rod that the bottom of described head of sewing machine is provided with Telescopic sliding and the second connecting rod moved up and down by retractor device; Needlework portion is provided with below described first connecting rod; Described second connecting rod is connected with presser feet; Described second connecting rod end is provided with cutting knife; Objective table is provided with below described presser feet; Described presser feet with objective table is respectively equipped with the small opening corresponding with described needlework portion and needle tray.This technology only adopts cutting knife tangent line from top to down, causes tangent line effect very general.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, and trimming is stablized, the thread cutting mechanism of safe and reliable two-needle sewing machine.
The purpose of this utility model is achieved in that
The thread cutting mechanism of two-needle sewing machine, the head of Sewing machines is provided with moving knife and the drive unit ordering about described moving knife oscilaltion, the frame of Sewing machines is provided with position, trimming hole, position, trimming hole is arranged at immediately below moving knife, position, trimming hole internal fixtion is provided with the stationary knife that described moving knife coordinates trimming
The knife bar of described moving knife is provided with clamping sleeve, and clamping sleeve along knife bar oscilaltion, clamping sleeve can be provided with resetting means, and resetting means makes clamping sleeve have descending trend; When described moving knife comes downwards to certain position, the bottom of clamping sleeve is pushed against in the frame of the arranged on left and right sides of position, trimming hole.
Described drive unit is the electromagnet being arranged on rear part of head, the drive rod of electromagnet drives described knife bar oscilaltion by link assembly, knife bar top is arranged in guide pad, the side of guide pad is provided with fluting, and the alignment pin on knife bar top stretches out described fluting and is connected with described link assembly.
Described resetting means is the spring be sleeved on knife bar, and one end of spring is against clamping sleeve top, and the other end is against on the jump ring in the middle part of knife bar.
Described clamping sleeve is " Π " shape in the cross section in stitching sewing machine direction; Described moving knife is arranged in clamping sleeve, and described knife bar passes the position, hole on clamping sleeve top and connects as one with described moving knife.
The lower surface of described clamping sleeve exceeds the lower edge of moving knife or maintains an equal level with the lower edge of moving knife.
The utility model gives prominence to compared to existing technology and useful technique effect is:
The utility model adopts stationary knife and moving knife to coordinate trimming, and trimming is effective, in addition, when moving knife comes downwards to certain position, the bottom of clamping sleeve is pushed against in the frame of the arranged on left and right sides of position, trimming hole, and sewing line can be pressed on position, trimming hole by clamping sleeve, sewing line is in tensioned state, is convenient to trimming.
Accompanying drawing explanation
Fig. 1 is provided with two-needle sewing machine schematic diagram of the present utility model.
Fig. 2 is schematic diagram of the present utility model.
Fig. 3 is trimming schematic diagram of the present utility model.
In figure: 1-head; 2-drive unit; 3-guide pad; 4-moving knife; Position, 5-trimming hole; 6-stationary knife; 7-presser feet; 8-frame; 9-drive motors; 10-drive rod; 11-bearing pin; 12-connecting rod; 13-clamping sleeve; 14-resetting means; 15-jump ring; 16-slots; 17-shank; 18-lifts last item; 19-alignment pin; 20-knife bar.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
The thread cutting mechanism of two-needle sewing machine, the head 1 of Sewing machines is provided with moving knife 4 and the drive unit 2 ordering about the oscilaltion of described moving knife 4, the frame 8 of Sewing machines is provided with position, trimming hole 5, position, trimming hole 5 is arranged at immediately below moving knife 4, position 5, trimming hole internal fixtion is provided with the stationary knife 6 that described moving knife 4 coordinates trimming
The knife bar 20 of described moving knife 4 is provided with clamping sleeve 13, and clamping sleeve 13 along knife bar 20 oscilaltion, clamping sleeve 13 can be provided with resetting means 14, and resetting means 14 makes clamping sleeve 13 have descending trend; When described moving knife 4 comes downwards to certain position, the bottom of clamping sleeve 13 is pushed against in the frame of the arranged on left and right sides of position, trimming hole 5.The utility model adopts stationary knife and moving knife to coordinate trimming, and trimming is effective, in addition, when moving knife comes downwards to certain position, the bottom of clamping sleeve is pushed against in the frame of the arranged on left and right sides of position, trimming hole, and sewing line can be pressed on position, trimming hole by clamping sleeve, sewing line is in tensioned state, is convenient to trimming.
Described drive unit 2 is for being arranged on the electromagnet of rear part of head, the drive rod 10 of electromagnet drives the oscilaltion of described knife bar 20 by link assembly, knife bar 20 top is arranged in guide pad 3, the side of guide pad 3 is provided with fluting 16, and the alignment pin 19 on knife bar 20 top stretches out described fluting 16 and is connected with described link assembly.
Described resetting means 14 is for being sleeved on the spring on knife bar 20, and one end of spring is against clamping sleeve 13 top, and the other end is against on the jump ring 15 in the middle part of knife bar.
Described clamping sleeve 13 is " Π " shape in the cross section in stitching sewing machine direction; Described moving knife 4 is arranged in clamping sleeve 13, and described knife bar 20 passes the position, hole on clamping sleeve 13 top and connects as one with described moving knife 4.This structure is simple, reliably, can compress sewing thread preferably.
The lower surface of described clamping sleeve 13 exceeds the lower edge of moving knife 4 or maintains an equal level with the lower edge of moving knife 4, and it can guarantee clamping sleeve location sewing thread, and when moving knife and stationary knife are coordinated, sewing thread can be tightened preferably.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (5)
1. the thread cutting mechanism of two-needle sewing machine, the head of Sewing machines is provided with moving knife and the drive unit ordering about described moving knife oscilaltion, it is characterized in that, the frame of Sewing machines is provided with position, trimming hole, position, trimming hole is arranged at immediately below moving knife, position, trimming hole internal fixtion is provided with the stationary knife that described moving knife coordinates trimming
The knife bar of described moving knife is provided with clamping sleeve, and clamping sleeve along knife bar oscilaltion, clamping sleeve can be provided with resetting means, and resetting means makes clamping sleeve have descending trend; When described moving knife comes downwards to certain position, the bottom of clamping sleeve is pushed against in the frame of the arranged on left and right sides of position, trimming hole.
2. the thread cutting mechanism of two-needle sewing machine according to claim 1, it is characterized in that, described drive unit is the electromagnet being arranged on rear part of head, the drive rod of electromagnet drives described knife bar oscilaltion by link assembly, knife bar top is arranged in guide pad, the side of guide pad is provided with fluting, and the alignment pin on knife bar top stretches out described fluting and is connected with described link assembly.
3. the thread cutting mechanism of two-needle sewing machine according to claim 1, is characterized in that, described resetting means is the spring be sleeved on knife bar, and one end of spring is against clamping sleeve top, and the other end is against on the jump ring in the middle part of knife bar.
4. the thread cutting mechanism of two-needle sewing machine according to claim 1, is characterized in that, described clamping sleeve is " ∏ " shape in the cross section in stitching sewing machine direction; Described moving knife is arranged in clamping sleeve, and described knife bar passes the position, hole on clamping sleeve top and connects as one with described moving knife.
5. the thread cutting mechanism of two-needle sewing machine according to claim 1, is characterized in that, the lower surface of described clamping sleeve exceeds the lower edge of moving knife or maintains an equal level with the lower edge of moving knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606250.XU CN204982332U (en) | 2015-08-12 | 2015-08-12 | Thread cutting mechanism of double-needle sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606250.XU CN204982332U (en) | 2015-08-12 | 2015-08-12 | Thread cutting mechanism of double-needle sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204982332U true CN204982332U (en) | 2016-01-20 |
Family
ID=55116714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520606250.XU Expired - Fee Related CN204982332U (en) | 2015-08-12 | 2015-08-12 | Thread cutting mechanism of double-needle sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204982332U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714485A (en) * | 2016-04-28 | 2016-06-29 | 杰克缝纫机股份有限公司 | Thread trimming mechanism for sewing machine |
| CN108866848A (en) * | 2018-09-10 | 2018-11-23 | 浙江万维机械有限公司 | Automatic wire pressing cutting facility |
| CN109132029A (en) * | 2017-11-07 | 2019-01-04 | 上海秒开实业有限公司 | Suture cartoning sealing machine for carton |
-
2015
- 2015-08-12 CN CN201520606250.XU patent/CN204982332U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714485A (en) * | 2016-04-28 | 2016-06-29 | 杰克缝纫机股份有限公司 | Thread trimming mechanism for sewing machine |
| CN105714485B (en) * | 2016-04-28 | 2019-03-22 | 杰克缝纫机股份有限公司 | The thread cutting mechanism of use in sewing machine |
| CN109132029A (en) * | 2017-11-07 | 2019-01-04 | 上海秒开实业有限公司 | Suture cartoning sealing machine for carton |
| CN108866848A (en) * | 2018-09-10 | 2018-11-23 | 浙江万维机械有限公司 | Automatic wire pressing cutting facility |
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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: 20160120 Termination date: 20180812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |