CN107829233A - A kind of embroidery machine adjustable presser and its operating method - Google Patents
A kind of embroidery machine adjustable presser and its operating method Download PDFInfo
- Publication number
- CN107829233A CN107829233A CN201711121463.3A CN201711121463A CN107829233A CN 107829233 A CN107829233 A CN 107829233A CN 201711121463 A CN201711121463 A CN 201711121463A CN 107829233 A CN107829233 A CN 107829233A
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- presser feet
- presser
- drive block
- block
- feet
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- 238000011017 operating method Methods 0.000 title claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000009956 embroidering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
- D05C9/20—Movement of the base fabric controlled by the presser feet; Driving arrangements therefor
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
- D05C11/02—Machine needles
- D05C11/04—Arrangements for fastening or inserting in bars or carriers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to a kind of presser, more particularly to a kind of embroidery machine adjustable presser and its operating method.Including split type presser foot component and adjustable compress component, described split type presser foot component is connected with adjustable compress component by presser feet drive block.A kind of embroidery machine is high with the compact-sized degree of adjustable presser and its operating method, improves the efficiency of operation.
Description
Technical field
The present invention relates to a kind of presser, more particularly to a kind of embroidery machine adjustable presser and its operation side
Method.
Background technology
The old-fashioned embroidery embroidery machine of in the market, head presser are driven above and below presser feet using disc groove cam drive link mechanism
Motion, complete compress action
Chinese patent 201420856974.5, a kind of automatic cloth-pulling device, applied to the presser of layout machine, the pressure are disclosed
Cloth mechanism includes support frame and support frame as described above has fabric input mouth and exit slot, it is characterised in that includes：First gear unit,
It is arranged at support frame as described above and comprising the first chain wheel assembly；First driver element, first chain wheel assembly is connected to drive
The first chain wheel assembly motion；Multiple cloth drawing poles, it is set in turn in first chain wheel assembly, the first chain wheel assembly band
Dynamic the multiple cloth drawing pole motion, pulled by the cloth that the fabric input mouth enters by the multiple cloth drawing pole with towards the cloth outputting
The direction motion of mouth；Sensing component, comprising sensor block and sensor, the sensor block be disposed therein pull bar one end or
First chain wheel assembly, the sensor are arranged at support frame as described above, when first chain wheel assembly drives the sensor block
When moving to the position corresponding to the sensor, the sensor produces sensing signal；Control assembly, it is electrically connected at described
Sensor and first driver element, the control assembly control first driver element to stop according to the sensing signal
First chain wheel assembly is driven, now, the cloth motion simulation to the exit slot.This structure is conventional structure at this stage, is made
It is general with performance, the related deficiency such as installation inconvenience.
The content of the invention
The present invention mainly solves the deficiencies in the prior art, solves common embroidery machine and is limited to Yarn taking-up mechanism, speed one
As be no more than 1200 r/min, by using presser, speed of embroidery machine embroidering improves up to 1500 r/min, embroidery speed
25% a kind of embroidery machine adjustable presser and its operating method.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of adjustable presser of embroidery machine, including split type presser foot component and adjustable compress component, described split
Formula presser foot component is connected with adjustable compress component by presser feet drive block；
Described split type presser foot component includes needle bar frame, and shank and presser bar, described shank are provided with described needle bar frame
It is in parallel distribution with presser bar, the bottom of described shank is provided with pin, and described pin is positioned by needle holder and shank adjustment, institute
It is in the split presser feet of matching type distribution that the bottom for the presser bar stated, which is provided with pin, does not have slider guide plate in described needle bar frame,
The top of described presser bar is provided with the presser slide block that spacing slip is carried out along slider guide plate；
Described adjustable compress component includes casing and presser feet cam pin, and presser feet connecting rod is provided with described casing, described
Presser feet cam pin drives presser feet connecting rod to be swung, and one end of described presser feet connecting rod passes through presser feet small rod and presser feet drive block
Connection, the other end of described presser feet connecting rod are connected with presser feet eccentric wheel, and described presser feet eccentric wheel is rotated along main shaft.
Preferably, described presser feet drive block includes presser feet drive block retainer, described presser feet drive block retainer
In be provided with the axis of guide, presser feet drive be connected with presser feet drive block retainer in return is provided with described presser feet drive block retainer
Motion block fixture block, the outer wall of described presser feet drive block fixture block are provided with the presser feet drive block touched with presser feet small rod in activity and put
Arm, described presser feet drive block swing arm drives presser feet drive block fixture block to carry out elastic displacement along presser feet drive block retainer, described
Presser feet drive block fixture block drive presser slide block carry out displacement.
Preferably, described split presser feet include split presser feet on and split presser feet under, on described split presser feet with
Presser bar is fixed, and it is in described point under the split presser feet being slidably socketed that the lower section on described split presser feet, which is provided with presser bar,
On body presser feet with split presser feet between be provided with presser feet buffer spring, pass through jump ring and presser bar stop bit under described split presser feet；
Described presser feet cam pin is rotated by presser feet clutch driven pulley, described presser feet clutch driven pulley and presser feet clutch
Driving wheel synchronizes transmission, and described presser feet clutch driving wheel is driven by presser feet motor；
Presser feet drive block guide sleeve is provided between the described axis of guide and presser feet drive block retainer, described presser feet drive block is kept
Presser feet drive block buffer spring is provided between frame and presser feet drive block fixture block.
A kind of operating method of the adjustable presser of embroidery machine, is carried out according to the following steps：
When presser feet motor rotate counterclockwise, presser feet connecting rod is around fulcrum O3 rotate counterclockwises, presser feet small rod upper part
Provided with special arc, when presser feet connecting rod is around fulcrum O3 rotate counterclockwises, presser feet small rod turns clockwise around fulcrum O2, pressure
Pin small rod upper part is provided with special arc touching presser feet drive block swing arm, so as to which presser feet drive block fixture block is opened to the right
Certain angle, while presser feet drive block moves upwards along the axis of guide；When presser feet motor turns clockwise, presser feet connects
Bar turns clockwise around fulcrum O3, and presser feet small rod drives around fulcrum O2 rotate counterclockwises, presser feet small rod upper part with presser feet
Motion block swing arm departs from, so as to which presser feet drive block fixture block is in the presence of presser feet drive block back-moving spring, return, while presser feet to the left
Drive block moves downward along the axis of guide；
When main shaft rotates under the driving of motor, presser feet eccentric wheel rotates simultaneously, presser feet connecting rod in the presence of presser feet eccentric wheel,
Rotated around fulcrum O1, so as to drive presser feet drive block to be moved up and down along the axis of guide；
When presser feet drive block is combined with presser slide block, with main shaft, presser feet eccentric wheel driving under, presser slide block drive presser feet
Bar and presser foot component move up and down, and complete compress action；
Presser feet connecting rod can be by being driven, under the driving of presser feet motor by presser feet motor, and presser feet drive block can be completed to tie
The action closed, departed from, so as to control the disengaging of presser feet drive block and presser slide block and combination, so as to control presser foot component to be
It is no to be moved up and down；
Presser feet drive block is turned clockwise certain angle in the state of being combined with presser slide block by presser feet motor, control
The downward fine motion of presser feet drive block processed, also can be inverse by presser feet motor so as to adjust presser foot component to the height of embroidery cloth
Hour hands rotate to an angle, and control the upward fine motion of presser feet drive block, so as to adjust presser foot component to the height of embroidery cloth, so that
Complete the regulation action to presser foot component height.
Disc groove cam is changed to eccentric wheel by embroidery machine with adjustable presser, passes through setting again to presser feet connecting rod
The part such as meter, increase cam pin, presser feet small rod, eccentric wheel is driven by driving shaft, what eccentric wheel drive fulcrum can change
Presser feet connecting rod, by adjusting the eccentric position of presser feet connecting rod, so that presser feet reaches different positions, mechanism is pacified by alignment pin
Dress, ingenious in design, processing is simple, easy for installation.
Split type presser foot component, needle bar hole independent mutually and presser feet rod aperture are provided with needle bar frame, respectively installation with one heart
There are shank and presser bar, it is parallel to each other, and pin is provided with shank, and pin is fastened on shank by needle holder.Above presser bar
Embedded with presser slide block, presser slide block is connected with presser feet drive block, and presser slide block front is caught in the neck in slider guide plate, presser feet
It is provided with below bar on the split presser feet that can be adjusted up and down, presser feet buffer spring is mounted on presser bar, thereon plane and split presser feet
On lower plane overlap, seal in presser bar under split presser feet, plane is overlapped with the lower plane of presser feet buffer spring thereon, and jump ring is embedded in
Presser bar bottom, for fixing under split presser feet, prevent it from falling, there is the plane grown in left side under split presser feet, its inner side
Overlapped with the left side on split presser feet, prevent radial rotating under split presser feet.
Adjustable compress component, casing are provided with bearing mounting hole, and main shaft, presser feet eccentric wheel and master are passed through after installing bearing
Axle is installed with one heart, and presser feet eccentric wheel is provided with presser feet eccentric wheel positioning hole, is positioned by jack with ensureing presser feet eccentric wheel and master
Axle rotates simultaneously.Presser feet connecting rod has three holes for being provided with bearing, and in-between hole is installed on presser feet cam pin, left hole and pressure
For pin small rod by pin connection, the swing arm of its right ports and presser feet eccentric wheel can be around fulcrum O1 by pin connection, presser feet cam pin
Rotation.Presser feet drive block with the axis of guide is concentric installs, 10 presser feet drive blocks are provided with pin, with the Kong Lian below 12 presser feet small rods
Connect.
Casing side cover plate A is provided with the mounting hole of casing side cover plate A positioning holes and presser feet cam pin, and presser feet cam pin passes through
Casing side cover plate A, supported by the mounting hole on casing side cover plate A and be oriented to, presser feet clutch driven pulley and presser feet cam pin
Installation with one heart, is fixed, presser feet motor is installed on presser feet motor seat, presser feet motor head by pressing closer screw
Provided with shaft, presser feet clutch driving wheel is installed on the shaft of presser feet motor, timing belt one end and presser feet clutch driven pulley
Connection, one end is connected with presser feet clutch driving wheel；Casing side cover plate A is provided with screwed hole, and presser feet clutch motor seat is provided with peace
Tankage, presser feet clutch motor seat, on casing side cover plate A, pass through the installation position of mobile presser feet clutch motor seat by screw lock
Put, after the tightness for adjusting timing belt, presser feet clutch motor seat is fixed on casing side cover plate A.
Presser feet cam pin is passed through into presser feet connecting rod intermediate bearing aperture, then casing side cover plate A is positioned by casing side cover plate A
Hole is fixed on casing.
Presser feet drives block structure, and presser feet drive block is driven by presser feet drive block fixture block, presser feet drive block back-moving spring, presser feet
Block swing arm, presser feet drive block guide sleeve, presser feet drive block retainer and presser feet drive block buffer spring composition, presser feet drive block are protected
Hold frame and be provided with the pin being connected with presser feet small rod, presser feet drive block guide sleeve is fixed on the centre bit of presser feet drive block retainer
Put, presser feet drive block fixture block with presser feet drive block guide sleeve is concentric installs, presser feet drive block back-moving spring drives installed in presser feet
The lower section of block fixture block, one end are fixed on presser feet drive block fixture block, and one end is fixed on presser feet drive block retainer, can be around presser feet
Drive block guide sleeve rotates.Presser feet drive block buffer spring is arranged between presser feet drive block and presser feet drive block retainer, by pressing
Pin drive block guide sleeve is oriented to, and is moved up and down.Presser feet driving fixture block is provided with hole, and presser feet drive block swing arm is fixed in hole.
Under the driving of presser feet motor, presser feet cam pin can do suitable, counter-clockwise rotary motion, so as to drive presser feet to connect
Bar rotates around fulcrum O3, when presser feet motor rotate counterclockwise, presser feet connecting rod around fulcrum O3 rotate counterclockwises,
Presser feet small rod upper part is provided with special arc, when presser feet connecting rod is around fulcrum O3 rotate counterclockwises, presser feet small rod around
Fulcrum O2 turns clockwise, and presser feet small rod upper part is provided with special arc touching presser feet drive block swing arm, so as to presser feet
Drive block fixture block opens certain angle to the right, while presser feet drive block moves upwards along the axis of guide；When presser feet drives electricity
When machine turns clockwise, presser feet connecting rod turns clockwise around fulcrum O3, and presser feet small rod is around fulcrum O2 rotate counterclockwises, presser feet
Small rod upper part departs from the swing arm of presser feet drive block, so as to which presser feet drive block fixture block is in the work of presser feet drive block back-moving spring
Under, return, while presser feet drive block moves downward along the axis of guide to the left.
A kind of embroidery machine adjustable presser and its operating method provided by the invention, compact-sized degree is high, improves
The efficiency of operation.
Brief description of the drawings
Fig. 1 is the structural representation of split type presser foot component in the present invention；
Fig. 2 is the structural representation of adjustable compress component in the present invention；
Fig. 3 is Fig. 2 side structure schematic view；
Fig. 4 is Fig. 2 cross section structure diagram；
Fig. 5 is Fig. 2 another side structure schematic view；
Fig. 6 is the dimensional structure diagram of presser feet drive block in the present invention；
Fig. 7 is Fig. 6 side structure schematic view.
Embodiment
Below by embodiment, Structure Figure, technical scheme is described in further detail.
Embodiment 1：As illustrated, a kind of adjustable presser of embroidery machine, including split type presser foot component and adjustable pressure
Cloth component, described split type presser foot component are connected with adjustable compress component by presser feet drive block 1；
Described split type presser foot component includes needle bar frame 2, and shank 3 and presser bar 4 are provided with described needle bar frame 2, described
Shank 3 is in parallel distribution with presser bar 4, and the bottom of described shank 3 is provided with pin 5, and described pin 5 passes through needle holder 6 and shank 3
Adjustment positioning, the bottom of described presser bar 4 are provided with the split presser feet with pin 5 in matching type distribution, not had in described needle bar frame 2
There is slider guide plate 7, the top of described presser bar 4 is provided with the presser slide block 8 that spacing slip is carried out along slider guide plate 7；
Described adjustable compress component includes casing 9 and presser feet cam pin 10, and presser feet connecting rod 11 is provided with described casing 9,
Described presser feet cam pin 10 drives presser feet connecting rod 11 to be swung, and one end of described presser feet connecting rod 11 passes through presser feet small rod
12 are connected with presser feet drive block 1, and the other end of described presser feet connecting rod 11 is connected with presser feet eccentric wheel 13, and described presser feet is eccentric
Wheel 13 is rotated along main shaft 14.
Described presser feet drive block 1 includes presser feet drive block retainer 15, is set in described presser feet drive block retainer 15
There is the axis of guide 16, the presser feet being connected with presser feet drive block retainer 15 in return is provided with described presser feet drive block retainer 15
Drive block fixture block 17, the outer wall of described presser feet drive block fixture block 17 are provided with the presser feet touched with presser feet small rod 12 in activity and driven
Motion block swing arm 18, described presser feet drive block swing arm 18 drive presser feet drive block fixture block 17 to be carried out along presser feet drive block retainer 15
Elastic displacement, described presser feet drive block fixture block 17 drive presser slide block 8 to carry out displacement.
Described split presser feet is included on split presser feet 20 under 19 and split presser feet, 19 and presser feet on described split presser feet
Bar 4 is fixed, and 19 lower section is provided with presser bar 4 under the split presser feet being slidably socketed 20 on described split presser feet, described
Presser feet buffer spring 21 is provided with split presser feet between 19 and split presser feet lower 20,20 pass through jump ring 22 and pressure under described split presser feet
The stop bit of foot lever 4；
Described presser feet cam pin 10 is rotated by presser feet clutch driven pulley 23, described presser feet clutch driven pulley 23 and pressure
Pin clutch driving wheel 24 synchronizes transmission, and described presser feet clutch driving wheel 24 is driven by presser feet motor 25；
Presser feet drive block guide sleeve 26, the driving of described presser feet are provided between the described axis of guide 16 and presser feet drive block retainer 15
Presser feet drive block buffer spring 27 is provided between block retainer 15 and presser feet drive block fixture block 17.
A kind of operating method of the adjustable presser of embroidery machine, is carried out according to the following steps：
When presser feet motor rotate counterclockwise, presser feet connecting rod is around fulcrum O3 rotate counterclockwises, presser feet small rod upper part
Provided with special arc, when presser feet connecting rod is around fulcrum O3 rotate counterclockwises, presser feet small rod turns clockwise around fulcrum O2, pressure
Pin small rod upper part is provided with special arc touching presser feet drive block swing arm, so as to which presser feet drive block fixture block is opened to the right
Certain angle, while presser feet drive block moves upwards along the axis of guide；When presser feet motor turns clockwise, presser feet connects
Bar turns clockwise around fulcrum O3, and presser feet small rod drives around fulcrum O2 rotate counterclockwises, presser feet small rod upper part with presser feet
Motion block swing arm departs from, so as to which presser feet drive block fixture block is in the presence of presser feet drive block back-moving spring, return, while presser feet to the left
Drive block moves downward along the axis of guide；
When main shaft rotates under the driving of motor, presser feet eccentric wheel rotates simultaneously, presser feet connecting rod in the presence of presser feet eccentric wheel,
Rotated around fulcrum O1, so as to drive presser feet drive block to be moved up and down along the axis of guide；
When presser feet drive block is combined with presser slide block, with main shaft, presser feet eccentric wheel driving under, presser slide block drive presser feet
Bar and presser foot component move up and down, and complete compress action；
Presser feet connecting rod can be by being driven, under the driving of presser feet motor by presser feet motor, and presser feet drive block can be completed to tie
The action closed, departed from, so as to control the disengaging of presser feet drive block and presser slide block and combination, so as to control presser foot component to be
It is no to be moved up and down；
Presser feet drive block is turned clockwise certain angle in the state of being combined with presser slide block by presser feet motor, control
The downward fine motion of presser feet drive block processed, also can be inverse by presser feet motor so as to adjust presser foot component to the height of embroidery cloth
Hour hands rotate to an angle, and control the upward fine motion of presser feet drive block, so as to adjust presser foot component to the height of embroidery cloth, so that
Complete the regulation action to presser foot component height.
Claims (4)
- A kind of 1. adjustable presser of embroidery machine, it is characterised in that：Including split type presser foot component and adjustable compress group Part, described split type presser foot component are connected with adjustable compress component by presser feet drive block (1)；Described split type presser foot component includes needle bar frame (2), and shank (3) and presser bar are provided with described needle bar frame (2) (4), described shank (3) is in parallel distribution with presser bar (4), and the bottom of described shank (3) is provided with pin (5), described pin (5) positioned by needle holder (6) and shank (3) adjustment, the bottom of described presser bar (4) is provided with pin (5) in matching type point The split presser feet of cloth, does not have slider guide plate (7) in described needle bar frame (2), and the top of described presser bar (4) is provided with along cunning Block guide plate (7) carries out the presser slide block (8) of spacing slip；Described adjustable compress component includes casing (9) and presser feet cam pin (10), and being provided with presser feet in described casing (9) connects Bar (11), described presser feet cam pin (10) drive presser feet connecting rod (11) to be swung, one end of described presser feet connecting rod (11) It is connected by presser feet small rod (12) with presser feet drive block (1), the other end and the presser feet eccentric wheel of described presser feet connecting rod (11) (13) connect, described presser feet eccentric wheel (13) is rotated along main shaft (14).
- A kind of 2. adjustable presser of embroidery machine according to claim 1, it is characterised in that：Described presser feet driving Block (1) includes presser feet drive block retainer (15), and the axis of guide (16) is provided with described presser feet drive block retainer (15), described Presser feet drive block retainer (15) in be provided with presser feet drive block retainer (15) be in the presser feet drive block fixture block that is connected of return (17), the outer wall of described presser feet drive block fixture block (17) is provided with the presser feet drive block touched with presser feet small rod (12) in activity Swing arm (18), described presser feet drive block swing arm (18) drive presser feet drive block fixture block (17) along presser feet drive block retainer (15) Elastic displacement is carried out, described presser feet drive block fixture block (17) drives presser slide block (8) to carry out displacement.
- A kind of 3. adjustable presser of embroidery machine according to claim 1 or 2, it is characterised in that：Described split Presser feet is included on split presser feet under (19) and split presser feet (20), and (19) and presser bar (4) are fixed on described split presser feet, institute It is in described split under the split presser feet being slidably socketed (20) that the lower section of (19), which is provided with presser bar (4), on the split presser feet stated It is provided with presser feet buffer spring (21) on presser feet under (19) and split presser feet between (20), (20) pass through jump ring under described split presser feet (22) with presser bar (4) stop bit；Described presser feet cam pin (10) is rotated by presser feet clutch driven pulley (23), described presser feet clutch driven pulley (23) transmission is synchronized with presser feet clutch driving wheel (24), described presser feet clutch driving wheel (24) passes through presser feet motor (25) it is driven；Presser feet drive block guide sleeve (26), described pressure are provided between the described axis of guide (16) and presser feet drive block retainer (15) Presser feet drive block buffer spring (27) is provided between pin drive block retainer (15) and presser feet drive block fixture block (17).
- A kind of 4. operating method of the adjustable presser of embroidery machine according to claim 3, it is characterised in that by with Lower step is carried out：When presser feet motor rotate counterclockwise, presser feet connecting rod is around fulcrum O3 rotate counterclockwises, presser feet small rod upper part Provided with special arc, when presser feet connecting rod is around fulcrum O3 rotate counterclockwises, presser feet small rod turns clockwise around fulcrum O2, pressure Pin small rod upper part is provided with special arc touching presser feet drive block swing arm, so as to which presser feet drive block fixture block is opened to the right Certain angle, while presser feet drive block moves upwards along the axis of guide；When presser feet motor turns clockwise, presser feet connects Bar turns clockwise around fulcrum O3, and presser feet small rod drives around fulcrum O2 rotate counterclockwises, presser feet small rod upper part with presser feet Motion block swing arm departs from, so as to which presser feet drive block fixture block is in the presence of presser feet drive block back-moving spring, return, while presser feet to the left Drive block moves downward along the axis of guide；When main shaft rotates under the driving of motor, presser feet eccentric wheel rotates simultaneously, presser feet connecting rod in the presence of presser feet eccentric wheel, Rotated around fulcrum O1, so as to drive presser feet drive block to be moved up and down along the axis of guide；When presser feet drive block is combined with presser slide block, with main shaft, presser feet eccentric wheel driving under, presser slide block drive presser feet Bar and presser foot component move up and down, and complete compress action；Presser feet connecting rod can be by being driven, under the driving of presser feet motor by presser feet motor, and presser feet drive block can be completed to tie The action closed, departed from, so as to control the disengaging of presser feet drive block and presser slide block and combination, so as to control presser foot component to be It is no to be moved up and down；Presser feet drive block is turned clockwise certain angle in the state of being combined with presser slide block by presser feet motor, control The downward fine motion of presser feet drive block processed, also can be inverse by presser feet motor so as to adjust presser foot component to the height of embroidery cloth Hour hands rotate to an angle, and control the upward fine motion of presser feet drive block, so as to adjust presser foot component to the height of embroidery cloth, so that Complete the regulation action to presser foot component height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121463.3A CN107829233A (en) | 2017-11-14 | 2017-11-14 | A kind of embroidery machine adjustable presser and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121463.3A CN107829233A (en) | 2017-11-14 | 2017-11-14 | A kind of embroidery machine adjustable presser and its operating method |
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|---|---|
| CN107829233A true CN107829233A (en) | 2018-03-23 |
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| CN201711121463.3A Pending CN107829233A (en) | 2017-11-14 | 2017-11-14 | A kind of embroidery machine adjustable presser and its operating method |
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Application publication date: 20180323 |
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