CN107740228A - The device of presser foot interactive quantity can be changed automatically - Google Patents
The device of presser foot interactive quantity can be changed automatically Download PDFInfo
- Publication number
- CN107740228A CN107740228A CN201711243600.0A CN201711243600A CN107740228A CN 107740228 A CN107740228 A CN 107740228A CN 201711243600 A CN201711243600 A CN 201711243600A CN 107740228 A CN107740228 A CN 107740228A
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- China
- Prior art keywords
- crank
- cylinder
- connecting rod
- presser
- regulation
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- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
It is a kind of to change the device of presser foot interactive quantity automatically, including the upper axle for the motor that is connected in casing is erected at, Upper shaft sleeve is provided with connecting rod of eccentric wheel；Pressure foot lifting axle is rotatably connected on casing, pressure foot lifting axle one end connects pressure foot lifting crank, pressure foot lifting crank connects pendulum presser bar by linkage transmission, pressure foot lifting axle other end connection eccentric ratio regulation crank, eccentric ratio regulation crank is provided with the regulation arm of force, the connecting rod section of connecting rod of eccentric wheel is provided with slot, and sliding is plugged in slot the regulation arm of force downwards；Cylinder is fixed with the casing, cylinder-driven is connected with connecting rod of eccentric wheel, and slot changes its relative position on the regulation arm of force with Telescopic-cylinder.The invention provides a kind of device that can change presser foot interactive quantity automatically, by way of cylinder changes and effectively swings the arm of force, the oscillating quantity of regulation eccentric ratio regulation crank, realizes the change of presser foot interactive quantity, realizes easily climbing.
Description
Technical field
The invention belongs to sewing machine technique field, refers in particular to a kind of device that can change presser foot interactive quantity automatically.
Background technology
Sewing machine during sewing, in the place of some thickness material climb not passing by, it is necessary to raise presser feet manually by machine
Slope is crossed, have impact on production efficiency.
The content of the invention
It is an object of the invention to provide a kind of device that can change presser foot interactive quantity automatically, changes effectively pendulum by cylinder
The mode of power arm, the oscillating quantity of regulation eccentric ratio regulation crank, realizes the change of presser foot interactive quantity, realizes easily climbing.
The object of the present invention is achieved like this：It is a kind of to change the device of presser foot interactive quantity automatically, including be erected at
The upper axle of drive connection motor, Upper shaft sleeve are provided with connecting rod of eccentric wheel in casing；Pressure foot lifting axle, presser feet are rotatably connected on casing
Lift shaft one end connects pressure foot lifting crank, and pressure foot lifting crank connects pendulum presser bar, pressure foot lifting by linkage transmission
Axle other end connection eccentric ratio regulation crank, eccentric ratio regulation crank are provided with the regulation arm of force, the connecting rod section of connecting rod of eccentric wheel
Provided with slot, sliding is plugged in slot the regulation arm of force downwards；Cylinder is fixed with the casing, cylinder-driven connects with eccentric wheel
Bar is connected, and slot changes its relative position on the regulation arm of force with Telescopic-cylinder.
Connecting rod of eccentric wheel is driven to swing by using above-mentioned technical proposal, during Telescopic-cylinder, so as to which mobile slot is being adjusted
Position on the arm of force, shorten or extend the relative distance of chute and pressure foot lifting axle, realize the change of effective arm of force, change inclined
Oscillating quantity of the lever regulated crank of the heart under connecting rod of eccentric wheel drive, so as to change the rising height of presser feet.
Preferably, connecting seat is provided with above the cylinder, connecting seat is fixed on housing, and connecting seat, which is stretched downwards, regulation spiral shell
Bar, contiguous block is fixed with cylinder, adjusting screw rod is screwed onto on contiguous block.
By using above-mentioned technical proposal, the maximum overhang of adjusting screw rod change cylinder can be passed through.
Preferably, connecting seat is provided with above the cylinder, connecting seat is fixed on housing, and connecting seat is provided with a pair of clamps
Plate, upside clamp are pushed by spring effect, and downside clamp is supported on support base, and support base is equipped with thimble, thimble
Upper end is connected on the clamp of downside, and thimble is towards stretching under cylinder.
By using above-mentioned technical proposal, when presser foot interactive quantity reaches maximum, line needs to clamp, not so stitching meeting
Bad, when present apparatus cylinder is stretched to maximum, cylinder jacks up thimble, and thimble jacks up downside clamp, so that two countries press from both sides
Line board clamping, reaching clamp makes the more attractive purpose of stitching.
Preferably, the piston rod part of the cylinder is fixed with top plate, and top plate side is connected with long connecting rod, and long connecting rod is another
End is hinged in the connecting rod section of connecting rod of eccentric wheel.
Preferably, the linkage includes presser feet feeding crank connecting link, presser feet crank；Presser feet crank is horizontal by swing rod
It is supported on housing, presser feet crank is by connecting rod vertical supporting on compressor arm, and tie point is arranged at intervals at two；Presser feet feeding
Crank connecting link is connected between pressure foot lifting crank and presser feet crank, presser feet crank other end connection pendulum presser bar.
By using above-mentioned technical proposal, this conveniently uses linkage merely, has abandoned what traditional setting slide rail was oriented to
Mode, action is more smooth, is not susceptible to clamping stagnation, and assembles more convenient.
Preferably, the cylinder is externally provided with case.
Preferably, the cylinder is controlled by pedal.
Preferably, the regulation arm of force is arc, and the slot two side adjusts the arcuate structure of the arm of force to coordinate.
Brief description of the drawings
Fig. 1 is the installation diagram of the present invention；
Fig. 2 is the overall structure figure of the present invention；
Fig. 3 is the structure decomposition figure of the present invention；
Fig. 4 is the cut-away view of the present invention；
Fig. 5 is the structure chart at clamp position of the present invention；
Fig. 6 is the exploded view at clamp position of the present invention；
Fig. 7 is the installation diagram of linkage of the present invention；
Fig. 8 is the structure chart of linkage of the present invention；
Fig. 9 is the exploded view of linkage of the present invention；
Figure 10 is the movement state diagram of linkage of the present invention.
Reference：1st, casing；2nd, case；3rd, connecting seat；4th, upper axle；5th, connecting rod of eccentric wheel；5a, connecting rod section；6th, presser feet
Lift shaft；7th, eccentric ratio regulation crank；7a, the regulation arm of force；8th, pressure foot lifting crank；9th, presser feet feeding crank connecting link；10th, put
Bar；11st, presser feet crank；12nd, connecting rod；13rd, presser bar is put；14th, tension regulating thumb nut；15th, line screw is crossed；16th, thread tension spring；17th, it is solid
Fixed circle；18th, clamp；19th, support base；20th, thimble；21st, pad；22nd, socket cap axial screw；23rd, adjustable nut；24th, spiral shell
Bar；25th, contiguous block；26th, cylinder；27th, long connecting rod；28th, slide block slot；29th, connecting pin；30th, latch；31st, top plate；32nd, compressor arm.
Embodiment
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings, referring to Fig. 1-10：
A kind of device that can change presser foot interactive quantity automatically, with reference to Fig. 1 and Fig. 2, including it is erected at transmission in casing 1 and connects
The upper axle 4 of motor is connect, upper axle 4 is arranged with connecting rod of eccentric wheel 5；Pressure foot lifting axle 6, pressure foot lifting axle 6 are rotatably connected on casing 1
One end connection pressure foot lifting crank 8, pressure foot lifting crank 8 connects pendulum presser bar 13 by linkage transmission, with reference to Fig. 3 and figure
4, the other end of pressure foot lifting axle 6 connection eccentric ratio regulation crank 7, eccentric ratio adjusts crank 7 to having adjusting force arm 7a,
It is arcuate structure to adjust arm of force 7a, and indent position is sleeved on axle 4 towards connecting rod of eccentric wheel 5, the wheel body of connecting rod of eccentric wheel 5,
Its connecting rod section 5a laterally stretches to regulation arm of force 7a, connecting rod section 5a and connecting pin 29 is fixed with outer end side, and connecting pin 29 coordinates
There is slide block slot 28, slide block slot 28 is provided with recess towards the surface of connecting pin 29, should after slide block slot 28 is fixed on connecting pin 29
Recess forms an inserting slot construction for the 7a insertions of the regulation arm of force, and the two side of recess is arc, to be adapted to the adjusting force of arc
Arm 7a；When connecting rod of eccentric wheel 5 moves with upper axle about 4, the regulation arm of force 7a structures of arc can cause it in slot
In oscillating quantity it is as small as possible, reduce the shift in position of presser feet.
With reference to Fig. 3 and Fig. 4, cylinder 26 is provided with the outside of the connecting rod section 5a of connecting rod of eccentric wheel 5, the outside of cylinder 26 sets case
2；The piston rod of cylinder 26 is set straight up, and top plate 31 is connected with end, and top plate 31 is hinged towards the side of connecting rod of eccentric wheel 5
There is long connecting rod 27, long connecting rod 27 connects downwards connecting rod section 5a；Connecting seat 3 is set above cylinder 26, and connecting seat 3 is fixed on housing
On, screw rod 24 is installed, screw rod 24 is passed down through connecting seat 3, block 25 is fixedly connected with cylinder 26, and screw rod 24 connects on connecting seat 3
Adjustable nut 23 is set on contiguous block 25, and at the top of screw rod 24, screw rod 24 is rotated by adjustable nut 23, so that bringing about the desired sensation
Cylinder 26 can adjust relative altitude on screw rod 24, change maximum overhang.
A pair of clamps 18 are additionally provided with connecting seat 3, specifically see Fig. 3, Fig. 5 and Fig. 6, downside clamp 18 is supported on branch
Support on seat 19, support base 19 is fixed on connecting seat 3, and some thimbles 20 are axially equipped with support base 19, and the upper end of thimble 20 connects
Connect on the clamp 18 of downside, the lower end of thimble 20 passes support base 19 and is fixed on pad 21, and pad 21 stretches out the following table of connecting seat 3
Face, it is able to be jacked up by the top plate 31 on cylinder 26；Upside clamp 18 is pushed by thread tension spring 16, and line was equipped with thread tension spring 16
Screw 15, the top installation tension regulating thumb nut 14 of line screw 15 is crossed, the lower end of line screw 15 is crossed and passes upside clamp 18, and in lower surface
Jack is set；Latch 30 is set between pad 21 and excessively line screw 15, and the sliding of the upper end of latch 30 is plugged in the lower end of tension regulating thumb nut 14
In the jack in face, the lower end of latch 30 is fixed through connecting seat 3 and with socket cap axial screw 22, and socket cap axial screw 22 coordinates
On pad 21.
Bindiny mechanism between pressure foot lifting crank 8 and pendulum presser bar 13 specifically includes presser feet feeding as is seen in figs 7-10
Crank connecting link 9, presser feet crank 11, presser feet crank 11 on housing, are vertically propped up by the cross-brace of swing rod 10 by connecting rod 12
Support is on compressor arm 32, presser feet in the connection of the lower end of compressor arm 32；The lower end of presser feet crank 11 connection pendulum presser bar 13, presser feet crank 11
On this at two fulcrum ensure that it does the elliptical path motion of a rule with movable pendulum presser bar 13；The upper end of presser feet crank 11
It is be hinged by presser feet feeding crank connecting link 9 between pressure foot lifting crank 8, realize that pressure foot lifting axle 6 passes through pressure foot lifting crank 8
Swing, the lifting with movable pendulum presser bar 13.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, all should be covered by within protection scope of the present invention.
Claims (8)
1. a kind of can change the device of presser foot interactive quantity automatically, including be erected at the upper axle of drive connection motor in casing (1)
(4), upper axle (4) is arranged with connecting rod of eccentric wheel (5)；Pressure foot lifting axle (6), pressure foot lifting axle (6) are rotatably connected on casing (1)
One end connection pressure foot lifting crank (8), pressure foot lifting crank (8) connect pendulum presser bar (13) by linkage transmission, and it is special
Sign is：Pressure foot lifting axle (6) other end connection eccentric ratio regulation crank (7), eccentric ratio regulation crank (7) are provided with regulation
The arm of force (7a), the connecting rod section (5a) of connecting rod of eccentric wheel (5) are provided with slot, and sliding is plugged in slot the regulation arm of force (7a) downwards；
Cylinder (26) is fixed with the casing (1), cylinder (26) transmission is connected with connecting rod of eccentric wheel (5), and slot is with cylinder
(26) stretch and change its relative position on the regulation arm of force (7a).
2. the device according to claim 1 that presser foot interactive quantity can be changed automatically, it is characterised in that：The cylinder (26)
Top is provided with connecting seat (3), and connecting seat (3) is fixed on housing, and connecting seat (3), which is stretched downwards, adjusting screw rod (24), cylinder
(26) contiguous block (25) is fixed with, adjusting screw rod (24) is screwed onto on contiguous block (25).
3. the device according to claim 1 or 2 that presser foot interactive quantity can be changed automatically, it is characterised in that：The cylinder
(26) top is provided with connecting seat (3), and connecting seat (3) is fixed on housing, and connecting seat (3) is provided with a pair of clamps (18), on
Side clamp (18) is pushed by spring effect, and downside clamp (18) is supported on support base (19), and support base (19) is worn
There is a thimble (20), thimble (20) upper end is connected on downside clamp (18), and thimble (20) is towards stretching under cylinder (26).
4. the device according to claim 3 that presser foot interactive quantity can be changed automatically, it is characterised in that：The cylinder (26)
Piston rod part be fixed with top plate (31), top plate (31) side is connected with long connecting rod (27), and long connecting rod (27) other end is hinged
In the connecting rod section (5a) of connecting rod of eccentric wheel (5).
5. the device according to claim 1 that presser foot interactive quantity can be changed automatically, it is characterised in that：The linkage
Including presser feet feeding crank connecting link (9), presser feet crank (11)；Presser feet crank (11) is by swing rod (10) cross-brace in housing
On, presser feet crank (11) is by connecting rod (12) vertical supporting on compressor arm (32), and tie point is arranged at intervals at two；Presser feet is sent
Material crank connecting link (9) is connected between pressure foot lifting crank (8) and presser feet crank (11), presser feet crank (11) other end connection pendulum
Presser bar (13).
6. the device according to claim 1 that presser foot interactive quantity can be changed automatically, it is characterised in that：The cylinder (26)
It is externally provided with case (2).
7. the device according to claim 1 that presser foot interactive quantity can be changed automatically, it is characterised in that：The cylinder (26)
Controlled by pedal.
8. the device according to claim 1 that presser foot interactive quantity can be changed automatically, it is characterised in that：The regulation arm of force
(7a) is arc, and the slot two side adjusts the arcuate structure of the arm of force (7a) to coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243600.0A CN107740228A (en) | 2017-11-30 | 2017-11-30 | The device of presser foot interactive quantity can be changed automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243600.0A CN107740228A (en) | 2017-11-30 | 2017-11-30 | The device of presser foot interactive quantity can be changed automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107740228A true CN107740228A (en) | 2018-02-27 |
Family
ID=61238692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711243600.0A Withdrawn CN107740228A (en) | 2017-11-30 | 2017-11-30 | The device of presser foot interactive quantity can be changed automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736028A (en) * | 2019-01-07 | 2019-05-10 | 杰克缝纫机股份有限公司 | The self-checking device and its control method of presser foot interactive quantity on a kind of sewing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB160920A (en) * | 1919-12-29 | 1921-03-29 | Singer Mfg Co | Sewing machine |
| CN2646175Y (en) * | 2003-07-16 | 2004-10-06 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Presser foot interactive quantity regulating mechanism of integrative feeding sewing machine |
| CN2873833Y (en) * | 2005-12-06 | 2007-02-28 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Transient regulating presser foot interaction volume mechanism for sewing machine |
| CN203451794U (en) * | 2013-09-12 | 2014-02-26 | 上海标准海菱缝制机械有限公司 | Mechanism for instantaneously adjusting presser foot alternation of sewing machine |
| CN207484033U (en) * | 2017-11-30 | 2018-06-12 | 汇宝科技集团有限公司 | The device of presser foot interactive quantity can be changed automatically |
-
2017
- 2017-11-30 CN CN201711243600.0A patent/CN107740228A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB160920A (en) * | 1919-12-29 | 1921-03-29 | Singer Mfg Co | Sewing machine |
| CN2646175Y (en) * | 2003-07-16 | 2004-10-06 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Presser foot interactive quantity regulating mechanism of integrative feeding sewing machine |
| CN2873833Y (en) * | 2005-12-06 | 2007-02-28 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Transient regulating presser foot interaction volume mechanism for sewing machine |
| CN203451794U (en) * | 2013-09-12 | 2014-02-26 | 上海标准海菱缝制机械有限公司 | Mechanism for instantaneously adjusting presser foot alternation of sewing machine |
| CN207484033U (en) * | 2017-11-30 | 2018-06-12 | 汇宝科技集团有限公司 | The device of presser foot interactive quantity can be changed automatically |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736028A (en) * | 2019-01-07 | 2019-05-10 | 杰克缝纫机股份有限公司 | The self-checking device and its control method of presser foot interactive quantity on a kind of sewing machine |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180227 |
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| WW01 | Invention patent application withdrawn after publication |