CN207484033U - 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
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- CN207484033U CN207484033U CN201721646598.7U CN201721646598U CN207484033U CN 207484033 U CN207484033 U CN 207484033U CN 201721646598 U CN201721646598 U CN 201721646598U CN 207484033 U CN207484033 U CN 207484033U
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Abstract
A kind of device that can change presser foot interactive quantity automatically, the upper axis including being erected at drive connection motor in casing, Upper shaft sleeve are equipped with connecting rod of eccentric wheel；Pressure foot lifting axis is rotatably connected on casing, pressure foot lifting axis one end connects pressure foot lifting crank, pressure foot lifting crank connects pendulum presser bar by linkage transmission, pressure foot lifting axis other end connection eccentric ratio adjusts crank, eccentric ratio adjusts crank and is equipped with the adjusting arm of force, the connecting rod section of connecting rod of eccentric wheel is equipped with slot, and adjusting the arm of force, sliding is plugged in slot downwards；Cylinder is fixed on the casing, cylinder-driven is sequentially connected with connecting rod of eccentric wheel, and slot changes its relative position on the arm of force is adjusted with Telescopic-cylinder.The utility model provides a kind of device that can change presser foot interactive quantity automatically, in a manner that cylinder changes and effectively swings the arm of force, adjusts the oscillating quantity that eccentric ratio adjusts crank, realizes the change of presser foot interactive quantity, realizes easily climbing.
Description
Technical field
The utility model 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 climbing of some thickness material climb to pass by, and needs to raise presser feet manually by machine
Slope is crossed, affects production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of device that can change presser foot interactive quantity automatically, has by cylinder change
Effect swings the mode of the arm of force, adjusts the oscillating quantity that eccentric ratio adjusts crank, realizes the change of presser foot interactive quantity, and realization is easily climbed
Slope.
What the purpose of this utility model was realized in：A kind of device that can change presser foot interactive quantity automatically, including frame
The upper axis of drive connection motor in casing is located at, Upper shaft sleeve is equipped with connecting rod of eccentric wheel；Pressure foot lifting axis is rotatably connected on casing,
Pressure foot lifting axis one end connects pressure foot lifting crank, and pressure foot lifting crank connects pendulum presser bar, presser feet by linkage transmission
It promotes axis other end connection eccentric ratio and adjusts crank, eccentric ratio adjusting crank, which is equipped with, adjusts the arm of force, the company of connecting rod of eccentric wheel
Rod segment is equipped with slot, and adjusting the arm of force, sliding is plugged in slot downwards；Cylinder, cylinder-driven and bias are fixed on the casing
Link transmission connection is taken turns, slot changes its relative position on the arm of force is adjusted with Telescopic-cylinder.
By using above-mentioned technical proposal, when Telescopic-cylinder, drives connecting rod of eccentric wheel to swing, so as to which mobile slot is being adjusted
The relative distance of sliding slot and pressure foot lifting axis is shortened or extended in position on the arm of force, realizes the change of effective arm, changes 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 equipped with above the cylinder, connecting seat is fixed on housing, and connecting seat, which is stretched downwards, adjusting spiral shell
Bar is fixed with link block on cylinder, and adjusting screw rod is screwed onto on link block.
By using above-mentioned technical proposal, the maximum overhang of cylinder can be changed by adjusting screw rod.
Preferably, connecting seat is equipped with above the cylinder, connecting seat is fixed on housing, and connecting seat is equipped with a pair of of clamp
Plate, upside clamp are acted on by spring and being pushed, 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 are clamped, not so stitching meeting
Bad, when present apparatus cylinder is stretched to maximum, cylinder jacks up thimble, and thimble jacks up downside clamp, so as to press from both sides two countries
Line board clamping achievees the purpose that clamp makes stitching more attractive.
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 link mechanism includes presser feet feeding crank connecting link, presser feet crank；Presser feet crank passes through swing rod transverse direction
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 is convenient merely using link mechanism, has abandoned what traditional setting sliding 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 foot pedal.
Preferably, the adjusting arm of force is arc, and the slot two side is the arcuate structure that cooperation adjusts the arm of force.
Description of the drawings
Fig. 1 is the installation diagram of the utility model；
Fig. 2 is the overall structure figure of the utility model；
Fig. 3 is the structural exploded view of the utility model；
Fig. 4 is the internal structure chart of the utility model；
Fig. 5 is the structure chart at the utility model clamp position；
Fig. 6 is the exploded view at the utility model clamp position；
Fig. 7 is the installation diagram of the utility model link mechanism；
Fig. 8 is the structure chart of the utility model link mechanism；
Fig. 9 is the exploded view of the utility model link mechanism；
Figure 10 is the movement state diagram of the utility model link mechanism.
Reference numeral：1st, casing；2nd, case；3rd, connecting seat；4th, upper axis；5th, connecting rod of eccentric wheel；5a, connecting rod section；6th, presser feet
Promote axis；7th, eccentric ratio adjusts crank；7a, the arm of force is adjusted；8th, pressure foot lifting crank；9th, presser feet feeding crank connecting link；10th, it puts
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, gasket；22nd, socket cap axial screw；23rd, adjustable nut；24th, spiral shell
Bar；25th, link block；26th, cylinder；27th, long connecting rod；28th, slide block slot；29th, connecting pin；30th, bolt；31st, top plate；32nd, compressor arm.
Specific embodiment
The utility model is further described with specific embodiment 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, connects including being erected at transmission in casing 1
The upper axis 4 of motor is connect, upper axis 4 is arranged with connecting rod of eccentric wheel 5；Pressure foot lifting axis 6, pressure foot lifting axis 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
4,6 other end of pressure foot lifting axis connection eccentric ratio adjusts crank 7, and 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 towards connecting rod of eccentric wheel 5, the wheel body of connecting rod of eccentric wheel 5 on axis 4,
Its connecting rod section 5a, which laterally stretches to, adjusts arm of force 7a, and connecting rod section 5a is fixed with connecting pin 29 in outer end side, and connecting pin 29 coordinates
There is slide block slot 28, slide block slot 28 is equipped 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 being inserted into for adjusting arm of force 7a, 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 is moved with upper axis about 4, the adjusting 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 26,26 outside setting case of cylinder are provided on the outside of the connecting rod section 5a of connecting rod of eccentric wheel 5
2；The piston rod of cylinder 26 is set straight up, and top plate 31 is connected in end, and top plate 31 is hinged towards 5 side of connecting rod of eccentric wheel
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 on cylinder 26, and screw rod 24 connects on connecting seat 3
Adjustable nut 23 is set on link block 25, and at 24 top of screw rod, screw rod 24 is rotated by adjustable nut 23, so that gas
Cylinder 26 can adjust relative altitude on screw rod 24, change maximum overhang.
A pair of of clamp 18 is additionally provided on connecting seat 3, specifically sees Fig. 3, Fig. 5 and Fig. 6, downside clamp 18 is supported on branch
It supports on seat 19, support base 19 is fixed on connecting seat 3, and several thimbles 20 are axially equipped in support base 19, and 20 upper end of thimble connects
It connects on the clamp 18 of downside, 20 lower end of thimble is pierced by support base 19 and is fixed on gasket 21, and gasket 21 stretches out 3 following table of connecting seat
Face 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 in thread tension spring 16
Screw 15 crosses 15 top installation tension regulating thumb nut 14 of line screw, crosses 15 lower end of line screw and be pierced by upside clamp 18, and in lower face
Jack is set；Bolt 30 is set between gasket 21 and excessively line screw 15, and the sliding of 30 upper end of bolt is plugged in 14 lower end of tension regulating thumb nut
In the jack in face, 30 lower end of bolt passes through connecting seat 3 and is fixed with socket cap axial screw 22, and socket cap axial screw 22 coordinates
On gasket 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 10 cross-brace of swing rod by connecting rod 12
Support is on compressor arm 32, presser feet in the connection of 32 lower end of compressor arm；11 lower end of presser feet crank connection pendulum presser bar 13, presser feet crank 11
On this at two fulcrum ensure that it does the elliptical path movement of a rule with movable pendulum presser bar 13；11 upper end of presser feet crank
It is hinged by presser feet feeding crank connecting link 9 between pressure foot lifting crank 8, realize that pressure foot lifting axis 6 passes through pressure foot lifting crank 8
Swing, the lifting with movable pendulum presser bar 13.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of device that can change presser foot interactive quantity automatically, the upper axis including being erected at the interior drive connection motor of casing (1)
(4), upper axis (4) is arranged with connecting rod of eccentric wheel (5)；Pressure foot lifting axis (6), pressure foot lifting axis (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, special
Sign is：Pressure foot lifting axis (6) other end connection eccentric ratio adjusts crank (7), and eccentric ratio adjusts crank (7) equipped with adjusting
The arm of force (7a), the connecting rod section (5a) of connecting rod of eccentric wheel (5) is equipped with slot, and adjusting the arm of force (7a), sliding is plugged in slot downwards；
Cylinder (26) is fixed on the casing (1), cylinder (26) transmission is sequentially connected with connecting rod of eccentric wheel (5), and slot is with cylinder
(26) it stretches and changes its relative position on the arm of force (7a) is adjusted.
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 equipped 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) link block (25) is fixed on, adjusting screw rod (24) is screwed onto on link 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 equipped with connecting seat (3), and connecting seat (3) is fixed on housing, and connecting seat (3) is equipped with a pair of of clamp (18), on
Side clamp (18) is acted on by spring and being pushed, 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 link mechanism
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)
It is controlled by foot pedal.
8. the device according to claim 1 that presser foot interactive quantity can be changed automatically, it is characterised in that：The adjusting arm of force
(7a) is arc, and the slot two side is the arcuate structure that cooperation adjusts the arm of force (7a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721646598.7U CN207484033U (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 |
|---|---|---|---|
| CN201721646598.7U CN207484033U (en) | 2017-11-30 | 2017-11-30 | The device of presser foot interactive quantity can be changed automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207484033U true CN207484033U (en) | 2018-06-12 |
Family
ID=62473094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721646598.7U Active CN207484033U (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) | CN207484033U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740228A (en) * | 2017-11-30 | 2018-02-27 | 汇宝科技集团有限公司 | The device of presser foot interactive quantity can be changed automatically |
| CN109023738A (en) * | 2018-10-30 | 2018-12-18 | 杰克缝纫机股份有限公司 | For adjusting the device and its control method of presser feet alternately amount on a kind of sewing machine |
| 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 |
-
2017
- 2017-11-30 CN CN201721646598.7U patent/CN207484033U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740228A (en) * | 2017-11-30 | 2018-02-27 | 汇宝科技集团有限公司 | The device of presser foot interactive quantity can be changed automatically |
| CN109023738A (en) * | 2018-10-30 | 2018-12-18 | 杰克缝纫机股份有限公司 | For adjusting the device and its control method of presser feet alternately amount on a kind of sewing machine |
| CN109023738B (en) * | 2018-10-30 | 2021-08-06 | 杰克缝纫机股份有限公司 | Device for adjusting presser foot alternating quantity on sewing machine and control method thereof |
| 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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