CN106948096A - A kind of sewing machine thread-trimming lifter-presser foot device and sewing machine - Google Patents
A kind of sewing machine thread-trimming lifter-presser foot device and sewing machine Download PDFInfo
- Publication number
- CN106948096A CN106948096A CN201710325449.9A CN201710325449A CN106948096A CN 106948096 A CN106948096 A CN 106948096A CN 201710325449 A CN201710325449 A CN 201710325449A CN 106948096 A CN106948096 A CN 106948096A
- Authority
- CN
- China
- Prior art keywords
- trimming
- presser foot
- lifter
- sewing machine
- motor
- 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.)
- Granted
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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
- D05B65/00—Devices for severing the needle or lower thread
Abstract
The invention belongs to sewing machine technique field, it is related to a kind of sewing machine thread-trimming lifter-presser foot structure and sewing machine.Wherein sewing machine thread-trimming lifter-presser foot structure includes：Double end motor, trimming cam pack and presser foot lifter crank assemblies, trimming cam pack includes the trimming cam being arranged on the motor shaft of double end motor one end, movement slots are provided with trimming cam, one end of trimming crank is connected by connecting pin with trimming cam, the connecting pin is arranged in the movement slots of trimming cam, and the other end of trimming crank is connected with shear spool, and shear spool is connected with thread cutting mechanism；Presser foot lifter crank assemblies include the presser foot lifter crank being arranged on the motor shaft of the double end motor other end, abutting part are provided with presser foot lifter crank, abutting part is abutted with the push rod of foot lifting mechanism.Invention controls the action of thread cutting mechanism and foot lifting mechanism by a driving source, reduces driving source, makes structure simpler, occupy little space, easy for installation, reduces cost.
Description
Technical field
The invention belongs to sewing machine technique field, it is related to a kind of sewing machine thread-trimming lifter-presser foot device and sewing machine.
Background technology
Trimming drive mechanism and foot lifting mechanism in current flat seam machine are separate Liang Ge mechanisms.Wherein, it is used for
The trimming drive mechanism of trimming and presser foot lifter lever for presser foot lifter pass through two solenoid actuateds respectively.But, electromagnet
Had the disadvantage that as driving source：Electromagnet stroke can not flexibly change, motion when can produce it is larger rock and noise,
Cause the noise of sewing machine big, and the steady operation of sewing machine can be had influence on.In addition, two driving sources, cause structure more multiple
Miscellaneous, space-consuming is big, and cost is higher, installs the defects such as inconvenience.
The content of the invention
There is provided a kind of sewing machine thread-trimming lifter-presser foot device and seam for the above mentioned problem existed the present invention be directed to existing technology
Thread machine, the technical problems to be solved by the invention are：Space-consuming, reduction noise, simplification how can be reduced, seam is can guarantee that again
Thread the steady operation of machine.
The purpose of the present invention can be realized by following technical proposal：
One of purpose of the present invention is to provide a kind of sewing machine thread-trimming lifter-presser foot device, including：
Motor, the motor is double end motor, and its action is by control cabinet control；
Trimming cam pack, is connected between the left motor shaft and thread cutting mechanism of double end motor by the trimming cam pack,
The trimming cam pack includes the trimming cam being arranged on the left motor shaft of double end motor, and fortune is provided with trimming cam
Dynamic groove, one end of trimming crank is connected by connecting pin with trimming cam, and the connecting pin is arranged in the movement slots of trimming cam,
The other end of trimming crank is connected with shear spool, and shear spool is connected with thread cutting mechanism；
Presser foot lifter crank assemblies, pass through the presser foot lifter crank assemblies between the right motor shaft and foot lifting mechanism of double end motor
Connection, the presser foot lifter crank assemblies include the presser foot lifter crank being arranged on the right motor shaft of double end motor, bent in presser foot lifter
Abutting part is provided with handle, abutting part is abutted with the push rod of foot lifting mechanism；
When performing trimming action, foot lifting mechanism performs idle stroke；When performing presser foot lifter action, thread cutting mechanism performs null
Journey.
In a kind of above-mentioned sewing machine thread-trimming lifter-presser foot device, the double end motor is installed in base plate by electric machine support
On.
In a kind of above-mentioned sewing machine thread-trimming lifter-presser foot device, the right motor shaft of the double end motor is arranged on supporting plate
On, the supporting plate is arranged on electric machine support or on base plate.
In a kind of above-mentioned sewing machine thread-trimming lifter-presser foot device, the boss with mesopore is provided with the supporting plate,
And the motor axis hole passed through for right motor shaft is provided with supporting plate, motor axis hole is coaxially set with boss.
In a kind of above-mentioned sewing machine thread-trimming lifter-presser foot device, is provided between the annular projection and right motor shaft
One sleeve.
In a kind of above-mentioned sewing machine thread-trimming lifter-presser foot device, one end of the connecting pin is arranged on trimming crank,
The other end of connecting pin is provided with roller, and roller is arranged in the movement slots of trimming cam, and can be moved along movement slots.
In a kind of above-mentioned sewing machine thread-trimming lifter-presser foot device, the movement slots are L-shaped.
In a kind of above-mentioned sewing machine thread-trimming lifter-presser foot device, the one end being connected on the base plate with casing is provided with oil
Disk, the double end motor is located on the base plate on the left of food tray, and the lower end of the push rod of the foot lifting mechanism is stretched out outside food tray.
In a kind of above-mentioned sewing machine thread-trimming lifter-presser foot device, the shear spool is arranged on base plate by second sleeve
On.
It is a further object to provide a kind of sewing machine, including above-mentioned sewing machine thread-trimming lifter-presser foot structure.
Compared with prior art, the present invention has advantages below：
1st, the present invention controls the action of thread cutting mechanism and foot lifting mechanism by a driving source (i.e. one motor), compares
With prior art, driving source is reduced, makes structure simpler, occupies little space, it is easy for installation, reduce cost；In addition, electric
Machine driving reduces noise compared to electromagnet.
2nd, motor of the invention can control rotational angle by control cabinet and then control the height of presser foot lifter, trimming when
Between etc. multiple functions, with suitable for a variety of sewing occasions.
3rd, presser foot lifter crank assemblies of the invention drive push rod outside food tray, reduce oil leak risk.
4th, control cabinet operability of the invention increase, more intelligent.
Brief description of the drawings
Fig. 1 is one of structural representation that the present invention is provided with base plate.
Fig. 2 is the two of the structural representation that the present invention is provided with base plate.
Fig. 3 is the structural representation of the present invention.
Fig. 4 is the exploded perspective view of this hair.
Fig. 5 is the structural representation of the trimming cam of the present invention.
Fig. 6 is the structural representation of the presser foot lifter component of the present invention.
In figure, 1, double end motor；2nd, left motor shaft；3rd, trimming cam；4th, movement slots；5th, trimming crank；6th, connecting pin；7、
Shear spool；8th, right motor shaft；9th, presser foot lifter crank；10th, abutting part；11st, push rod；12nd, electric machine support；13rd, base plate；14th, support
Seat；15th, roller；16th, food tray；17th, second sleeve；18th, annular projection；19th, motor axis hole；20th, the first sleeve.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figures 1 to 6, the invention provides a kind of sewing machine thread-trimming lifter-presser foot device, including：Motor, the motor is double
Head motor 1, i.e. two ends are extended with motor shaft, respectively left motor shaft 2 and right motor shaft 8, and the motor action by controlling
Case is controlled；It should be noted that the left motor shaft 2 of the present invention and right motor shaft 8 are same motor shaft or two motor shafts.
The motor shaft that control cabinet is mainly used in controlled motor is rotated clockwise or rotated counterclockwise and the rotational angle of motor shaft is to control
Multiple functions such as the height of presser foot lifter processed, the time of trimming.
Trimming cam pack, the trimming cam pack is used for the left motor shaft 2 and thread cutting mechanism for connecting double end motor 1, institute
The trimming cam 3 that trimming cam pack includes being arranged on the left motor shaft 2 of double end motor 1 is stated, is provided with trimming cam 3
Movement slots 4, one end of trimming crank 5 is connected by connecting pin 6 with trimming cam 3, and the connecting pin 6 is arranged on trimming cam 3
In movement slots 4, the other end of trimming crank 5 is connected with shear spool 7, and shear spool 7 is connected with thread cutting mechanism.
Presser foot lifter crank assemblies, the presser foot lifter crank assemblies are used for the right motor shaft 8 and presser foot lifter machine for connecting double end motor 1
Structure, the presser foot lifter crank assemblies include the presser foot lifter crank 9 being arranged on the right motor shaft 8 of double end motor 1, bent in presser foot lifter
Abutting part 10 is provided with handle 9, abutting part 10 is abutted with the push rod 11 of foot lifting mechanism.Presser foot lifter crank 9 is with abutting part 10
Same Part or two part connections.Presser foot lifter crank 9 is installed on right motor shaft 8 by screw, right motor shaft 8 clockwise or
Drive abutting part 10 is rotated counterclockwise to rotate therewith.When right motor shaft 8 is rotated clockwise, abutting part 10 acts on top
On bar 11；When right motor shaft 8 is rotated counterclockwise, abutting part 10 rotates for idle stroke, does not produce and is connected with push rod 11.
The action of the presser foot lifter of the present invention directly acts on push rod 11 to drive by the abutting part 10 on presser foot lifter crank 9
Dynamic, structure is simpler.
The double end motor 1 of the present invention is stepper motor.
When performing trimming action, foot lifting mechanism performs idle stroke (acting push rod 11)；Perform presser foot lifter action
When, thread cutting mechanism performs idle stroke (acting thread cutting mechanism).
The present invention operation principle be：
When obtaining trimming instruction, double end motor 1 starts and rotated counterclockwise, and makes the trimming being fixed on left motor shaft 2
Cam 3 is rotated counterclockwise, and movement slots 4 of the connecting pin 6 along trimming cam 3 are moved, so that drive trimming crank 5 to be rotated, from
And driving whole trimming structure motion to complete trimming, double end motor 1 moves clockwise to origin-location after line has been cut, and drive is cut
Cable architecture resets.
When obtaining presser foot lifter instruction, double end motor 1 starts and rotated clockwise, so as to drive the up time of presser foot lifter crank 9
Pin is rotated, and the abutting part 10 on presser foot lifter crank 9 is acted on push rod 11, drives whole presser foot lifter structure to realize adjustable for height
Presser foot lifter function.
It is of the present invention that to rotate clockwise, rotate counterclockwise be (to be provided with left motor shaft with the left end of double end motor 1
2 one end) face on the basis of.
Further, the double end motor 1 is fixed on base 13 by electric machine support 12.
Further, in order that the stress of double end motor 1 reduces, its life-span is increased, the right motor shaft of described double end motor 1
8 are arranged in supporting plate 14, and the supporting plate 14 is fixedly installed on electric machine support 12 or base plate 13 by modes such as screws.
Exemplified by being arranged on electric machine support 12.
The boss 18 with mesopore is provided with the supporting plate 14, and is provided with supporting plate 14 for right motor shaft 8
The motor axis hole 19 passed through, motor axis hole 19 is coaxially set with boss 18.
Further, it is provided with the first sleeve 20 between the annular projection 18 and right motor shaft 8.
In order that the motion in the movement slots 4 of trimming cam 3 of connecting pin 6 is more flexible, one end of the connecting pin 6 is arranged on
On trimming crank 5, the other end of connecting pin 6 is provided with roller 15, and roller 15 is arranged in the movement slots 4 of trimming cam 3, and energy
Moved along movement slots 4.
Specifically, the movement slots 4 are L-shaped.Include deep-slotted chip breaker and straight trough, deep-slotted chip breaker is mutually interconnected at one end with straight trough
It is logical.Wherein arc slot part is movement locus when double end motor 1 is rotated counterclockwise, and straight trough rotates clockwise for double end motor 1
When movement locus, that is, carry out presser foot lifter action when, the idle stroke of left motor shaft 2, it is ensured that double end motor 1 is clockwise
With it is counterclockwise when, left motor shaft 2, right motor shaft 8 will not with corresponding part produce interference, it is ensured that be independently completed trimming action
Acted with presser foot lifter.
Further, the one end being connected on the base plate 13 with casing is provided with food tray 16, and the double end motor 1 is located at oil
On the base plate 13 in the left side of disk 16, the lower end of the push rod 11 of the foot lifting mechanism is stretched out outside food tray 16；Realize presser foot lifter crank
Component reduces oil leak risk in the outer driving push rod 11 of food tray 16.
Further, the shear spool 7 is set on base 13 by second sleeve 17, is rotated shear spool 7 and is more put down
Surely, it is ensured that trimming action be smoothed out, and then ensure sewing machine work stability.
It is a further object to provide a kind of sewing machine, including a kind of above-mentioned sewing machine thread-trimming lifter-presser foot dress
Put.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on local flavor shown in the drawings or position is closed
System, it is only for be easy to the description present invention and simplify description, in the case where not making opposite explanation, these nouns of locality do not refer to
Show and imply that the device or element of meaning there must be specific orientation or with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention, the noun of locality " inside and outside " refers to relative to inside and outside each part profile itself.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of sewing machine thread-trimming lifter-presser foot device, it is characterised in that：Including：
Motor, the motor is double end motor (1), and its action is by control cabinet control；
Trimming cam pack, the left motor shaft (2) of double end motor (1) is connected between thread cutting mechanism by the trimming cam pack
Connect, the trimming cam pack includes the trimming cam (3) being arranged on the left motor shaft (2) of double end motor (1), convex in trimming
Movement slots (4) are provided with wheel (3), one end of trimming crank (5) is connected by connecting pin (6) with trimming cam (3), the connection
Pin (6) is arranged in the movement slots (4) of trimming cam (3), and the other end of trimming crank (5) is connected with shear spool (7), shear spool
(7) it is connected with thread cutting mechanism；
Presser foot lifter crank assemblies, the right motor shaft (8) of double end motor (1) passes through the presser foot lifter crank group between foot lifting mechanism
Part is connected, and the presser foot lifter crank assemblies include the presser foot lifter crank (9) being arranged on the right motor shaft (8) of double end motor (1),
Abutting part (10) is provided with presser foot lifter crank (9), abutting part (10) is abutted with the push rod (11) of foot lifting mechanism；
When performing trimming action, foot lifting mechanism performs idle stroke；When performing presser foot lifter action, thread cutting mechanism performs idle stroke.
2. a kind of sewing machine thread-trimming lifter-presser foot device according to claim 1, it is characterised in that：The double end motor (1)
It is installed in by electric machine support (12) on base plate (13).
3. a kind of sewing machine thread-trimming lifter-presser foot device according to claim 2, it is characterised in that：The double end motor (1)
Right motor shaft (8) be arranged in supporting plate (14), the supporting plate (14) is arranged on electric machine support (12) or on base plate (13).
4. a kind of sewing machine thread-trimming lifter-presser foot device according to claim 3, it is characterised in that：On the supporting plate (14)
The boss (18) with mesopore is provided with, and the motor axis hole passed through for right motor shaft (8) is provided with supporting plate (14)
(19), motor axis hole (19) is coaxially set with boss (18).
5. a kind of sewing machine thread-trimming lifter-presser foot device according to claim 4, it is characterised in that：The annular projection (18)
The first sleeve (20) is provided between right motor shaft (8).
6. a kind of sewing machine thread-trimming lifter-presser foot device according to claim 1, it is characterised in that：The connecting pin (6)
One end is arranged on trimming crank (5), and the other end of connecting pin (6) is provided with roller (15), and it is convex that roller (15) is arranged on trimming
In the movement slots (4) for taking turns (3), and it can be moved along movement slots (4).
7. a kind of sewing machine thread-trimming lifter-presser foot device according to claim 1 or 6, it is characterised in that：The movement slots (4)
It is L-shaped.
8. a kind of sewing machine thread-trimming lifter-presser foot device according to claim 1, it is characterised in that：On the base plate (13) with
One end of casing connection is provided with food tray (16), and the double end motor (1) is located on the base plate (13) on the left of food tray (16), described
The lower end of the push rod (11) of foot lifting mechanism is stretched out outside food tray (16).
9. a kind of sewing machine thread-trimming lifter-presser foot device according to claim 1, it is characterised in that：The shear spool (7) is led to
Second sleeve (17) is crossed to be arranged on base plate (13).
10. a kind of sewing machine, it is characterised in that：Including a kind of sewing machine thread-trimming lifter-presser foot described in claim any one of 1-9
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325449.9A CN106948096B (en) | 2017-05-10 | 2017-05-10 | Presser foot device and sewing machine are lifted to sewing machine trimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325449.9A CN106948096B (en) | 2017-05-10 | 2017-05-10 | Presser foot device and sewing machine are lifted to sewing machine trimming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106948096A true CN106948096A (en) | 2017-07-14 |
| CN106948096B CN106948096B (en) | 2020-06-23 |
Family
ID=59479283
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710325449.9A Active CN106948096B (en) | 2017-05-10 | 2017-05-10 | Presser foot device and sewing machine are lifted to sewing machine trimming |
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| CN (1) | CN106948096B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677399A (en) * | 2018-07-16 | 2018-10-19 | 浙江美机缝纫机有限公司 | A kind of sewing machine and its thread-trimming lifter-presser foot device |
| CN109487454A (en) * | 2018-12-29 | 2019-03-19 | 安徽杰羽制鞋机械科技有限公司 | A kind of thread-trimming lifter-presser foot device of sewing machine |
| CN109837662A (en) * | 2019-04-07 | 2019-06-04 | 杰克缝纫机股份有限公司 | A kind of thread-trimming lifter-presser foot mechanism and sewing machine |
| CN110184756A (en) * | 2019-07-02 | 2019-08-30 | 阮健明 | A kind of automatic shearing and presser foot lifting device |
| CN110468506A (en) * | 2019-07-26 | 2019-11-19 | 上海鲍麦克斯电子科技有限公司 | A kind of control system of full-automatic flat seaming machine |
| CN111501217A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Sewing machine and device for lifting presser foot and adjusting needle pitch of sewing machine |
| CN111501223A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Cam wheel |
| CN111501216A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Sewing machine trimming, presser foot lifting and needle distance adjusting device and sewing machine |
| CN111501225A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Thread trimming and presser foot lifting and needle sealing device of sewing machine and sewing machine |
| CN111501224A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Method for thread trimming, presser foot lifting and needle stitch sealing of sewing machine |
| CN111501214A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Sewing machine thread trimming, presser foot lifting and needle distance adjusting device and sewing machine |
| WO2022242094A1 (en) * | 2021-05-18 | 2022-11-24 | 琦星智能科技股份有限公司 | Sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677399A (en) * | 2018-07-16 | 2018-10-19 | 浙江美机缝纫机有限公司 | A kind of sewing machine and its thread-trimming lifter-presser foot device |
| CN108677399B (en) * | 2018-07-16 | 2023-12-01 | 浙江美机缝纫机有限公司 | Sewing machine and thread cutting and presser foot lifting device thereof |
| CN109487454A (en) * | 2018-12-29 | 2019-03-19 | 安徽杰羽制鞋机械科技有限公司 | A kind of thread-trimming lifter-presser foot device of sewing machine |
| CN111501214A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Sewing machine thread trimming, presser foot lifting and needle distance adjusting device and sewing machine |
| CN111501214B (en) * | 2019-01-31 | 2021-12-28 | 浙江杰克智能缝制科技有限公司 | Sewing machine thread trimming, presser foot lifting and needle distance adjusting device and sewing machine |
| CN111501217A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Sewing machine and device for lifting presser foot and adjusting needle pitch of sewing machine |
| CN111501223A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Cam wheel |
| CN111501216A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Sewing machine trimming, presser foot lifting and needle distance adjusting device and sewing machine |
| CN111501225A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Thread trimming and presser foot lifting and needle sealing device of sewing machine and sewing machine |
| CN111501224A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Method for thread trimming, presser foot lifting and needle stitch sealing of sewing machine |
| CN111501217B (en) * | 2019-01-31 | 2022-01-11 | 浙江杰克智能缝制科技有限公司 | Sewing machine and device for lifting presser foot and adjusting needle pitch of sewing machine |
| CN111501224B (en) * | 2019-01-31 | 2021-11-09 | 杰克缝纫机股份有限公司 | Method for thread trimming, presser foot lifting and needle stitch sealing of sewing machine |
| CN111501223B (en) * | 2019-01-31 | 2022-01-11 | 浙江杰克智能缝制科技有限公司 | Cam wheel |
| CN111501225B (en) * | 2019-01-31 | 2022-01-04 | 浙江杰克智能缝制科技有限公司 | Thread trimming and presser foot lifting and needle sealing device of sewing machine and sewing machine |
| CN111501216B (en) * | 2019-01-31 | 2022-01-11 | 浙江杰克智能缝制科技有限公司 | Sewing machine trimming, presser foot lifting and needle distance adjusting device and sewing machine |
| CN109837662A (en) * | 2019-04-07 | 2019-06-04 | 杰克缝纫机股份有限公司 | A kind of thread-trimming lifter-presser foot mechanism and sewing machine |
| CN110184756A (en) * | 2019-07-02 | 2019-08-30 | 阮健明 | A kind of automatic shearing and presser foot lifting device |
| CN110184756B (en) * | 2019-07-02 | 2024-01-30 | 阮健明 | Automatic thread trimming and presser foot lifting device |
| CN110468506A (en) * | 2019-07-26 | 2019-11-19 | 上海鲍麦克斯电子科技有限公司 | A kind of control system of full-automatic flat seaming machine |
| WO2022242094A1 (en) * | 2021-05-18 | 2022-11-24 | 琦星智能科技股份有限公司 | Sewing machine |
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