CN106592121A - Sewing machine automatic shearing mechanism - Google Patents
Sewing machine automatic shearing mechanism Download PDFInfo
- Publication number
- CN106592121A CN106592121A CN201710034647.XA CN201710034647A CN106592121A CN 106592121 A CN106592121 A CN 106592121A CN 201710034647 A CN201710034647 A CN 201710034647A CN 106592121 A CN106592121 A CN 106592121A
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- CN
- China
- Prior art keywords
- roller
- blade
- cam
- connection
- pilled
- 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.)
- Pending
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a sewing machine automatic shearing mechanism. The sewing machine automatic shearing mechanism comprises a thread trimming assembly, a roller transmission assembly, a cam transmission assembly, a blade pedestal, a mobile blade limiting groove, a counting blade limiting groove, a support plate, a counting blade, a mobile blade, a blade driving sheet, a driving plate, a blade driving connecting rod, a transmission shaft, a transmission shaft support, a connecting rod, a moving shaft, a spring, a roller front edge-tightening sleeve, a roller support arm, a connecting pin, a roller shaft, a roller rear edge-tightening sleeve, a roller pad, a roller rear bushing, a cam front bushing, a camshaft gear, a camshaft, a cam pad, a cam, a cam edge-tightening sleeve and a cam rear bushing. The shearing mechanism can automatically cut a sewing thread after sewing work is done, omits the step of cutting performed by workers by holding scissors and improves the work efficiency; and multiple limiting and protection measures are arranged in a transmission mechanism, and the operation stability of the mechanism can be greatly improved.
Description
Technical field
The present invention relates to a kind of automatic shearing mechanism, specially a kind of sewing machine automatic shearing mechanism, belonging to sewing machine should
Use technical field.
Background technology
Sewing machine is to use one or more sewing thread, and one or more stitching is formed on sewing, stitches one or more layers
Material interweaves or the machine that unites by a seam, and the invention of sewing machine is greatly facilitated the development of rag trade, with society progress and
Exhibition, old-fashioned treadle type sewing machine is it may be said that have become history, new-type electric sewer is due to possessing using light, operation
Simply, current main flow equipment is become the advantages of complete function.
Current electric sewer needs the hand-held shears of workman to cut off sewing thread when the things such as case and bag, leatherware are processed, this
Process can take the part producing time, reduce the automatic capability of equipment.Therefore, propose a kind of sewing machine certainly for the problems referred to above
Dynamic cutting mechanism.
The content of the invention
The purpose of the present invention is that and provide a kind of sewing machine automatic shearing mechanism in order to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of sewing machine automatic shearing mechanism, including trimming
Component, roller drive component and cam drive component；The trimming component internal is provided with blade pedestal, and blade base interior
It is provided with moving blade stopper slot and counts blade stopper slot；The counting blade stopper slot connection gripper shoe, and gripper shoe connection
Count blade；The moving blade stopper slot connects moving blade, and moving blade connection blade drives piece；The blade drives
Piece top connection driving plate, and driving plate bottom connection blade drive link；The blade drive link inside connection power transmission shaft,
And power transmission shaft bottom connection drive axle support；The drive axle support bottom connects connecting rod by spiral shell axle；The blade pedestal bottom
Portion connects roller drive component, and roller drive component internal is provided with moving axis；The moving axis external connection spring, and moving axis one end
Pilled-in selvedge set before connection roller；Pilled-in selvedge set side arranges roller support arm, and roller support arm connection connection bearing pin before the roller；It is described
Connection bearing pin top connection roller axle；The roller support arm side is provided with after roller pilled-in selvedge set connection rolling after pilled-in selvedge set, and roller
Post pad；The roller pad connects roller back bush；The connecting rod connects cam drive component, and cam drive component internal
It is provided with cam front lining；The cam front lining connects cam shaft gear, and cam shaft gear is fixed on outside camshaft；It is described
Camshaft connects Cam gasket, and Cam gasket side arranges cam；The cam side is provided with pilled-in selvedge set after cam, and cam
Afterwards pilled-in selvedge set connects cam back bush.
Preferably, the blade drives the other end of the relatively described driving plate of piece to be fixed by screws in the moving blade
Bottom.
Preferably, the moving axis is through inside the moving blade stopper slot, and moving axis top is fixed on moving blade
It is internal.
Preferably, the top of the camshaft is fixed on inside the connecting rod.
Preferably, after the roller pilled-in selvedge set, the roller pad and the roller back bush pass sequentially through screw consolidate
It is scheduled on the outside of the moving axis.
The invention has the beneficial effects as follows：This kind of cutting mechanism can automatically be cut after sewing work is completed to sewing thread
Cut, eliminating the step of need in the past the hand-held shears of workman and cut off, improve work efficiency；Counting blade is provided with, being capable of opposite joint
Line of threading is compressed, and moving blade displacement can be prevented excessive；Cutting process is capable of achieving by moving blade, and is configured with cam
Drive mechanism realizing the rotation of blade, be configured with rolling drive mechanism to moving blade is carried out it is spacing, reset；In moving axis
Pad, tight piece and bushing are mounted on the front end of camshaft, rear end, bearing can be greatly improved in transmission process
Stability, increases the quality of fit between bearing, reduces friction, increases the service life.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is trimming component structural representation of the present invention；
Fig. 3 is roller drive modular construction schematic diagram of the present invention；
Fig. 4 is cam drive modular construction schematic diagram of the present invention.
In figure：1st, trimming component, 2, roller drive component, 3, cam drive component, 4, blade pedestal, 401, moving blade
Stopper slot, 402, count blade stopper slot, 5, gripper shoe, 6, count blade, 7, moving blade, 8, blade drive piece, 9, drive
Plate, 10, blade drive link, 11, power transmission shaft, 12, drive axle support, 13, connecting rod, 14, moving axis, 15, spring, 16, before roller
Pilled-in selvedge set, 17, roller support arm, 18, connection bearing pin, 19, roller axle, 20, pilled-in selvedge set after roller, 21, roller pad, 22, roller
Back bush, 23, cam front lining, 24, cam shaft gear, 25, camshaft, 26, Cam gasket, 27, cam, 28, cam pilled-in selvedge
Set, 29, cam back bush.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1-4, a kind of sewing machine automatic shearing mechanism, including trimming component 1, roller drive component 2 with
And cam drive component 3；It is provided with inside the trimming component 1 inside blade pedestal 4, and blade pedestal 4 and is provided with moving blade limit
Position groove 401 and counting blade stopper slot 402；The counting blade stopper slot 402 connects gripper shoe 5, and the connection count of gripper shoe 5
Blade 6；The moving blade stopper slot 401 connects moving blade 7, and the connection blade of moving blade 7 drives piece 8；The blade
The top of piece 8 connection driving plate 9 is driven, and the bottom of driving plate 9 connects blade drive link 10；Inside the blade drive link 10
Connection power transmission shaft 11, and the bottom of power transmission shaft 11 connection drive axle support 12；The bottom of the drive axle support 12 is connected by spiral shell axle
Connecting rod 13；The bottom of the blade pedestal 4 connection roller drive component 2, and moving axis 14 is provided with inside roller drive component 2；It is described
Pilled-in selvedge set 16 before the external connection spring 15 of moving axis 14, and the one end of moving axis 14 connection roller；Pilled-in selvedge covers 16 sides and sets before the roller
Put roller support arm 17, and the connection connection bearing pin 18 of roller support arm 17；The top connection roller axle 19 of the connection bearing pin 18；The rolling
The side of post support arm 17 is provided with pilled-in selvedge after roller and covers the connection roller pad 21 of pilled-in selvedge set 20 behind 20, and roller；The roller pad 21
Connection roller back bush 22；The connection cam drive of the connecting rod 13 component 3, and lining before cam is provided with inside cam drive component 3
Set 23；The cam front lining 23 connects cam shaft gear 24, and cam shaft gear 24 is fixed on outside camshaft 25；It is described convex
Wheel shaft 25 connects Cam gasket 26, and the side of Cam gasket 26 arranges cam 27；The side of the cam 27 is provided with pilled-in selvedge after cam
Pilled-in selvedge set 28 connects cam back bush 29 behind set 28, and cam.
Used as a kind of technical optimization scheme of the present invention, the blade drives the other end of the relatively described driving plate 9 of piece 8 to lead to
The bottom that screw is fixed on the moving blade 7 is crossed, the cutting movement of moving blade 7 is realized.
Used as a kind of technical optimization scheme of the present invention, the moving axis 14 is through in the moving blade stopper slot 401
Portion, and the top of moving axis 14 is fixed on inside moving blade 7 so that the driving force of roller assembly can be transferred to cutting assembly.
Used as a kind of technical optimization scheme of the present invention, the top of the camshaft 25 is fixed on inside the connecting rod 13,
The driving force for rolling cam pack is enabled to be transferred to cutting assembly.
As a kind of technical optimization scheme of the present invention, pilled-in selvedge set 20, the roller pad 21 and institute after the roller
State roller back bush 22 and pass sequentially through the outside that screw is fixed on the moving axis 14, effectively spacing, guarantor can be carried out to moving axis 14
Shield.
When in use, when trimming is needed, camshaft 25 is rotated and then the displacement of drivening rod 13 present invention, with inter-axle shaft
The displacement of 11 band cutting blade drive link 10, blade drive link 10 swings band cutting blade and drives piece 8 to move, subsequent moving blade 7
Start rotation to be cut, in rotation process, drive spring 15 to be rotated, spring 15 and counting blade 6 can be to rotating
Cheng Jinhang is spacing, prevents moving blade 7 from rotating excessively, and after moving blade 7 turns to extreme position, moving blade 7 just can be
Home position is retracted in the presence of elastic force, the process of automatic shearing is completed.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of sewing machine automatic shearing mechanism, including trimming component (1), roller drive component (2) and cam drive component
(3)；It is characterized in that：It is provided with inside the trimming component (1) inside blade pedestal (4), and blade pedestal (4) and is provided with mobile knife
Piece stopper slot (401) and counting blade stopper slot (402)；Counting blade stopper slot (402) connection gripper shoe (5), and
Fagging (5) connection count blade (6)；The moving blade stopper slot (401) connection moving blade (7), and moving blade (7) is even
Connect blade and drive piece (8)；The blade drives piece (8) top connection driving plate (9), and driving plate (9) bottom connection blade to drive
Dynamic connecting rod (10)；Connection power transmission shaft (11) inside the blade drive link (10), and power transmission shaft (11) bottom connection power transmission shaft
Support (12)；Drive axle support (12) bottom connects connecting rod (13) by spiral shell axle；Blade pedestal (4) the bottom connection rolling
Moving axis (14) is provided with inside post transmission component (2), and roller drive component (2)；The moving axis (14) external connection spring (15),
And pilled-in selvedge set (16) before moving axis (14) one end connection roller；Pilled-in selvedge set (16) side arranges roller support arm (17) before the roller,
And roller support arm (17) connection connection bearing pin (18)；Connection bearing pin (18) top connection roller axle (19)；The roller
Arm (17) side is provided with pilled-in selvedge set (20) after roller, and pilled-in selvedge set (20) connection roller pad (21) after roller；The roller pad
Piece (21) connection roller back bush (22)；The connecting rod (13) connection cam drive component (3), and in cam drive component (3)
Portion is provided with cam front lining (23)；The cam front lining (23) connection cam shaft gear (24), and cam shaft gear (24) is solid
It is scheduled on camshaft (25) outside；The camshaft (25) connection Cam gasket (26), and Cam gasket (26) side arranges cam
(27)；Cam (27) side is provided with pilled-in selvedge set (28) after cam, and pilled-in selvedge set (28) connection cam back bush after cam
(29)。
2. a kind of sewing machine automatic shearing mechanism according to claim 1, it is characterised in that：The blade drives piece (8)
The other end of relatively described driving plate (9) is fixed by screws in the bottom of the moving blade (7).
3. a kind of sewing machine automatic shearing mechanism according to claim 1, it is characterised in that：The moving axis (14) through
The moving blade stopper slot (401) is internal, and moving axis (14) top is fixed on moving blade (7) inside.
4. a kind of sewing machine automatic shearing mechanism according to claim 1, it is characterised in that：The top of the camshaft (25)
It is internal that end is fixed on the connecting rod (13).
5. a kind of sewing machine automatic shearing mechanism according to claim 1, it is characterised in that：Pilled-in selvedge set after the roller
(20), the roller pad (21) and the roller back bush (22) pass sequentially through screw and are fixed on the outer of the moving axis (14)
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034647.XA CN106592121A (en) | 2017-01-18 | 2017-01-18 | Sewing machine automatic shearing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034647.XA CN106592121A (en) | 2017-01-18 | 2017-01-18 | Sewing machine automatic shearing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106592121A true CN106592121A (en) | 2017-04-26 |
Family
ID=58585784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710034647.XA Pending CN106592121A (en) | 2017-01-18 | 2017-01-18 | Sewing machine automatic shearing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106592121A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4463693A (en) * | 1982-09-15 | 1984-08-07 | Fritz Gegauf Bernina Sewing Machine Manufacturers Limited | Cutting attachment for a sewing machine |
| CN101608382A (en) * | 2008-06-20 | 2009-12-23 | 东海工业缝纫机株式会社 | The rotary hook drive device of Sewing machines and multi-head sewing machine |
| CN103726241A (en) * | 2013-12-27 | 2014-04-16 | 浙江飞凤缝制设备有限公司 | Trimming mechanism of pillar needle feeding sewing machine |
| CN104233656A (en) * | 2014-09-17 | 2014-12-24 | 深圳市远成缝纫机工业有限公司 | Sewing machine and automatic thread trimming device thereof |
| CN206512416U (en) * | 2017-01-18 | 2017-09-22 | 浙江飞凤缝制设备有限公司 | A kind of sewing machine automatic shearing mechanism |
-
2017
- 2017-01-18 CN CN201710034647.XA patent/CN106592121A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4463693A (en) * | 1982-09-15 | 1984-08-07 | Fritz Gegauf Bernina Sewing Machine Manufacturers Limited | Cutting attachment for a sewing machine |
| CN101608382A (en) * | 2008-06-20 | 2009-12-23 | 东海工业缝纫机株式会社 | The rotary hook drive device of Sewing machines and multi-head sewing machine |
| CN103726241A (en) * | 2013-12-27 | 2014-04-16 | 浙江飞凤缝制设备有限公司 | Trimming mechanism of pillar needle feeding sewing machine |
| CN104233656A (en) * | 2014-09-17 | 2014-12-24 | 深圳市远成缝纫机工业有限公司 | Sewing machine and automatic thread trimming device thereof |
| CN206512416U (en) * | 2017-01-18 | 2017-09-22 | 浙江飞凤缝制设备有限公司 | A kind of sewing machine automatic shearing mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |