CN201915234U - Thread cutting device of sewing machine - Google Patents
Thread cutting device of sewing machine Download PDFInfo
- Publication number
- CN201915234U CN201915234U CN2010206772101U CN201020677210U CN201915234U CN 201915234 U CN201915234 U CN 201915234U CN 2010206772101 U CN2010206772101 U CN 2010206772101U CN 201020677210 U CN201020677210 U CN 201020677210U CN 201915234 U CN201915234 U CN 201915234U
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- China
- Prior art keywords
- knife
- sewing machines
- moving knife
- knife rest
- thread cutting
- 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 43
- 238000005520 cutting process Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 238000010008 shearing Methods 0.000 claims abstract description 4
- 230000008520 organization Effects 0.000 claims description 9
- 241000282414 Homo sapiens Species 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000009966 trimming Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to a thread cutting device of a sewing machine. The thread cutting device comprises a base, a fixed cutter, a movable cutter, a transmission mechanism, a driving mechanism and a control mechanism, wherein a fixed cutter component and a movable cutter component are positioned under a needle of the sewing machine, the fixed cutter and the movable cutter can make shearing motions in the opposite direction to achieve the thread cutting function, and the transmission mechanism and the driving mechanism are both arranged at the lower part of a table top of the sewing machine and positioned under the needle of the sewing machine. The thread cutting device simplifies the complex mechanism of the thread cutting driving device in the prior art, can be directly mounted to the sewing machine which has no thread cutting device, solves the problem in the prior art that the thread cutting device can be mounted to only a few types of sewing machines after reconstruction, and saves the costs caused by special mechanical processing and re-assembly of the parts that are disassembled during the reconstruction. Besides, the application range of the thread cutting device is increased; and the thread cutting device can be directly mounted to most types of sewing machines with no need of disassembly and processing, so that costs caused by disassembly and processing are saved.
Description
Technical field
The utility model relates to the sewing machine technique field, relates in particular to a kind of cutting facility of Sewing machines.
Background technology
Present advanced person's industrial sewing machine all has automatic thread trimming device, to reach laborsaving, power saving, less manpower, improves the purpose of the production efficiency of factory.General cutting facility has moving knife and stationary knife, when sewing finishing, makes the moving knife motion tangent with stationary knife by drive unit, will extend reaching the standard grade and rolling off the production line of getting off from processing cloth automatically and cut off.That is using does not have automatic thread trimming device for counting a lot of Sewing machiness, and an urgent demand increases the trimming function, reaches object of energy saving.
Cutting facility mechanism on the market is comparatively complicated now, has only the type of several brands can send Sewing Machine Factory back to, and by the dismounting part, accurate machining after ressembling, could realize the trimming function.Be difficult to satisfy the demand that a large amount of Sewing machines needs are installed cutting facility.
Summary of the invention
The utility model purpose provides a kind of cutting facility of Sewing machines.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of cutting facility of Sewing machines, comprise base, be installed in stationary knife assembly and moving knife assembly on the described base, the transmission mechanism that is dynamically connected according to legend with described moving knife assembly, drive the driving mechanism and the controlling organization of described transmission mechanism action, described moving knife assembly comprises the moving knife knife rest, be installed in the moving knife on the described moving knife knife rest, described stationary knife assembly comprises the stationary knife knife rest, be installed in the stationary knife on the described stationary knife knife rest, described moving knife can do relative shearing motion with stationary knife and be positioned at Sewing machines eedle under, described base, the stationary knife assembly, the moving knife assembly, transmission mechanism and driving mechanism be installed in the table top bottom of Sewing machines and be positioned at Sewing machines eedle under.
Preferably, described transmission mechanism comprise the driving lever support that is installed on the base, with the driving lever that described driving lever support rotates and is connected, described moving knife knife rest is in transmission connection mutually with dead man.
Further preferably, the table top bottom of the eedle of Sewing machines below is provided with support column, and described base is installed on this support column.Further preferably, be connected with elastic component on the described driving lever, the other end of described elastic component is connected with described support column or base.
Further preferably, be connected with fork on the described dead man, described moving knife knife rest is arranged on the described fork.Further preferably, described fork is provided with the moving knife knife rest back-up ring of the described moving knife knife rest scope of activities of restriction, and described moving knife knife rest can rotate in described moving knife knife rest back-up ring.Further preferably, described base is provided with the back-up ring knife rest, and described moving knife knife rest back-up ring is arranged in the described back-up ring knife rest.
Preferably, described driving mechanism comprises the electromagnet that is installed on the described base, be connected the pulling sheet on the described electromagnet, described electromagnet and controlling organization interconnect, and described pulling sheet and driving lever rotate and are connected by being arranged on axle on the described dead man.
Because technique scheme utilization, the utility model compared with prior art has following advantage and effect: the utility model has been simplified the complex mechanism of original trimming drive unit, for the Sewing machines that cutting facility originally was not installed, can directly install.Solved and had only a few brand transforming the present situation that to install after the processing; Saved owing to transform processing and need pull down part, carried out special machining, and then ressemble the expense of being brought.So the utility model not only makes cutting facility enlarge range of application, can on most of brand types, need not to carry out dismounting and processing and directly installation, and save the expense of bringing by dismounting and processing.
Description of drawings
Accompanying drawing 2 is the scheme of installation one of present embodiment;
Accompanying drawing 3 is the scheme of installation two of present embodiment.
Wherein: 1, table top; 2, space; 3, base; 4, driving lever support; 5, driving lever; 6, moving knife knife rest; 7, moving knife; 8, fork; 9, moving knife knife rest back-up ring; 10, back-up ring knife rest; 11, electromagnet; 12, pulling sheet; 13, axle; 14, stationary knife; 15, stationary knife knife rest; 16, eedle; 17, support column; 18, spring.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
The cutting facility of a kind of Sewing machines as shown in Figure 1, 2, 3, the driving mechanism and the controlling organization of the transmission mechanism that comprises base 3, is installed in stationary knife assembly on the base 3 and moving knife assembly, is dynamically connected according to legend with the moving knife assembly, the action of drive transmission device.
Wherein: the moving knife assembly comprises fork 8, be installed in moving knife knife rest 6 on the fork 8, be installed in the moving knife 7 on the moving knife knife rest 6, in addition, also be provided with the moving knife knife rest back-up ring 9 of restriction moving knife knife rest 6 scopes of activities on fork 8, moving knife knife rest 6 can rotate in moving knife knife rest back-up ring 9.The stationary knife assembly comprises the stationary knife knife rest 15 that fixedly installs, is installed in the stationary knife 14 on the stationary knife knife rest 15, and stationary knife 14 can be done relative shearing motion with moving knife 7.
Transmission mechanism comprise the driving lever support 4 that is installed on the base 3, with the driving lever 5 that driving lever support 4 rotates and is connected, dead man 5 is in transmission connection mutually with fork 8.Base 3 is provided with the back-up ring knife rest 10 that is used to install moving knife knife rest back-up ring 9, and moving knife knife rest back-up ring 9 is arranged in the back-up ring knife rest 10.
Driving mechanism comprises the electromagnet 11 that is installed on the base 3, is connected the pulling sheet 12 on the electromagnet 11, and electromagnet 11 is electrically connected with controlling organization, and pulling sheet 12 and driving lever 5 rotate and are connected by being arranged on spools 13 on the dead man 5.
The bottom of the table top 1 of eedle 16 belows is provided with support column 17, and base 3 can be fixed on the support column 17, and driving lever 8 is connected with spring 18, and the other end of spring 18 is connected on support column 17 or the base 3.
Stationary knife assembly, moving knife assembly, transmission mechanism and driving mechanism are installed in the space 2 of table top 1 bottom of Sewing machines, space 2 be positioned at Sewing machines eedle 16 under.Sewing machiness most on the market all are provided with this space 2, for the Sewing machines that cutting facility originally was not installed, this cutting facility can be installed in the space 2, both simplified the complex mechanism that originally carries the Sewing machines of cutting facility, also increased the Installation Flexibility of this cutting facility, eedle all can be installed different Sewing machiness.
Below the concrete method of operating of present embodiment down of setting forth:
When sewing is finished, controlling organization is switched on to electromagnet 11, and electromagnet 11 gets electric back adhesive, and pulling sheet 12 is downwards by 13 a pulling driving lever 5, driving lever 5 rotates fork 8, and fork 8 rotation moving knife knife rests 6 move in a circle and the stationary knife 14 tangent trimmings of finishing the moving knife 7 on it; At this moment, 11 outages of controlling organization control electromagnet, spring 18 pulling driving levers 5 returns, and make moving knife knife rest 6 under the stopping of moving knife knife rest back-up ring 9, get back to initial position, thus finish trimming one time.
In addition, controlling organization accurately is provided with the conduction time to electromagnet 11, switches on when eedle 16 returns guaranteeing.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (8)
1. the cutting facility of a Sewing machines, comprise base, be installed in stationary knife assembly and moving knife assembly on the described base, the transmission mechanism that is dynamically connected according to legend with described moving knife assembly, drive the driving mechanism and the controlling organization of described transmission mechanism action, described moving knife assembly comprises the moving knife knife rest, be installed in the moving knife on the described moving knife knife rest, described stationary knife assembly comprises the stationary knife knife rest, be installed in the stationary knife on the described stationary knife knife rest, described moving knife can do relative shearing motion with stationary knife and be positioned at Sewing machines eedle under, it is characterized in that: described base, the stationary knife assembly, the moving knife assembly, transmission mechanism and driving mechanism be installed in the table top bottom of Sewing machines and be positioned at Sewing machines eedle under.
2. the cutting facility of Sewing machines according to claim 1 is characterized in that: described transmission mechanism comprise the driving lever support that is installed on the base, with the driving lever that described driving lever support rotates and is connected, described moving knife knife rest is in transmission connection mutually with dead man.
3. the cutting facility of Sewing machines according to claim 2 is characterized in that: the table top bottom of the eedle below of Sewing machines is provided with support column, and described base is installed on this support column.
4. the cutting facility of Sewing machines according to claim 3, it is characterized in that: be connected with elastic component on the described driving lever, the other end of described elastic component is connected with described support column or base.
5. the cutting facility of Sewing machines according to claim 2, it is characterized in that: be connected with fork on the described dead man, described moving knife knife rest is arranged on the described fork.
6. the cutting facility of Sewing machines according to claim 5 is characterized in that: described fork is provided with the moving knife knife rest back-up ring of the described moving knife knife rest scope of activities of restriction, and described moving knife knife rest can rotate in described moving knife knife rest back-up ring.
7. the cutting facility of Sewing machines according to claim 6, it is characterized in that: described base is provided with the back-up ring knife rest, and described moving knife knife rest back-up ring is arranged in the described back-up ring knife rest.
8. the cutting facility of Sewing machines according to claim 1, it is characterized in that: described driving mechanism comprises the electromagnet that is installed on the described base, be connected the pulling sheet on the described electromagnet, described electromagnet and controlling organization are electrically connected, and described pulling sheet and driving lever rotate and are connected by being arranged on axle on the described dead man.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206772101U CN201915234U (en) | 2010-12-24 | 2010-12-24 | Thread cutting device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206772101U CN201915234U (en) | 2010-12-24 | 2010-12-24 | Thread cutting device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915234U true CN201915234U (en) | 2011-08-03 |
Family
ID=44415042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206772101U Expired - Fee Related CN201915234U (en) | 2010-12-24 | 2010-12-24 | Thread cutting device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201915234U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041646A (en) * | 2010-12-24 | 2011-05-04 | 苏州爱可迈数控机电有限公司 | Trimming device of sewing machine |
| CN114575065A (en) * | 2020-11-30 | 2022-06-03 | 琦星智能科技股份有限公司 | Thread cutting mechanism of sewing machine |
-
2010
- 2010-12-24 CN CN2010206772101U patent/CN201915234U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041646A (en) * | 2010-12-24 | 2011-05-04 | 苏州爱可迈数控机电有限公司 | Trimming device of sewing machine |
| CN102041646B (en) * | 2010-12-24 | 2012-10-24 | 苏州爱可迈数控机电有限公司 | Trimming device of sewing machine |
| CN114575065A (en) * | 2020-11-30 | 2022-06-03 | 琦星智能科技股份有限公司 | Thread cutting mechanism of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20111224 |