CN208183274U - A kind of double drive right side head of sewing machine - Google Patents

A kind of double drive right side head of sewing machine Download PDF

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Publication number
CN208183274U
CN208183274U CN201820694027.9U CN201820694027U CN208183274U CN 208183274 U CN208183274 U CN 208183274U CN 201820694027 U CN201820694027 U CN 201820694027U CN 208183274 U CN208183274 U CN 208183274U
Authority
CN
China
Prior art keywords
presser feet
cylinder
head
sewing machine
presser
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.)
Expired - Fee Related
Application number
CN201820694027.9U
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Chinese (zh)
Inventor
刘景波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Richpeace Computer and Machinery Co Ltd
Original Assignee
Tianjin Richpeace Computer and Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Richpeace Computer and Machinery Co Ltd filed Critical Tianjin Richpeace Computer and Machinery Co Ltd
Priority to CN201820694027.9U priority Critical patent/CN208183274U/en
Application granted granted Critical
Publication of CN208183274U publication Critical patent/CN208183274U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses head of sewing machine on the right side of a kind of double drive, mainly move forward and backward drive shaft, presser feet up and down motion drive shaft, loose ends by block, loose ends cylinder, thread-loosening device, head shell, clamp cylinder, clamp cylinder mounting block, mounting plate, magnetic bead, clamp, big presser feet, small presser feet, needle, shank, small presser bar, big presser bar, promotion connecting plate, lifting cylinder including main shaft, presser feet drive shaft, presser feet.By the design of the utility model, it can be achieved that presser feet driving drives with shank sewing separates, and can independent control;The front and back alternating movement of size presser feet can be achieved, realize feeding;The function of upper thread clamp can be realized by cylinder;Loose ends function can be carried out to thread-loosening device by cylinder;Sewing quality and precision can be improved, can independently drive, apply easier, quick.

Description

A kind of double drive right side head of sewing machine
Technical field
The utility model relates to be particularly suitable for a kind of double drive right side head of sewing machine in technical field of sewing machines.
Background technique
Full-automatic head of sewing machine part is all to drive needle to move up and down by a motor, while driving presser feet at present Movement, needle move up and down and realize the function of sewing by cooperating with rotating shuttle, and presser feet realizes the function of feeding by cooperating with feed dog Energy.Existing machine can only carry out feeding and sewing to cloth, cannot carry out feeding to steel band;If to sew to steel band, It then cannot achieve and feeding carried out to steel band.
Summary of the invention
The purpose of the utility model is to overcome in place of above-mentioned the deficiencies in the prior art, provide a kind of double drive right side seam It threads machine head, which separate driving using presser feet driving and needle up and down motion, and realization is sewed and separated with steel band feeding Driving, so as to separately control sewing and steel band.When starting, steel band feeding is driven by presser feet, but sew and drive It is dynamic to realize only need feeding without sewing at this time without movement, while presser feet send steel band to be not only able to achieve to send forward Steel band, moreover it is possible to which steel band is sent in realization backward.
The purpose of this utility model is achieved through the following technical solutions:
A kind of double drive right side head of sewing machine, including main shaft, presser feet drive shaft, presser feet move forward and backward drive shaft, presser feet Up and down motion drive shaft, loose ends are by block, loose ends cylinder, thread-loosening device, head shell, clamp cylinder, clamp cylinder mounting block, peace Loading board, magnetic bead, clamp, big presser feet, small presser feet, needle, shank, small presser bar, big presser bar, promoted connecting plate, lifting cylinder, Guide plate, promotes connecting rod, needle bar guide pin bushing, big presser foot block, three connecting rods, thread take-up cam, thread take-up tension lever, take-ups at presser feet driving swing rod Connecting rod, line-choosing connecting rod pin, thread take-up crank, shank connecting rod, shank fixture block, lower guideway, lower guideway sliding block 1, upper rail, lower guideway Sliding block 2, upper rail sliding block, presser feet move forward and backward eccentric wheel, presser feet moves forward and backward connecting rod of eccentric wheel, move forward and backward holder, up and down Motion eccentric wheel, up and down motion connecting rod of eccentric wheel, up and down motion holder.
The transmission input is main shaft and presser feet drive shaft, the two are the input terminal of driving respectively.Main shaft is by choosing Line cam drives thread take-up tension lever to realize and acts to the take-up of line, drives the shank equipped with needle or more by thread take-up crank, shank connecting rod Movement.
The loose ends cylinder is mounted on loose ends cylinder mounting block.
The clamp is mounted on clamp cylinder, and clamp cylinder is mounted on clamp cylinder mounting block;Presser feet driving By driving presser feet to move forward and backward eccentric wheel on axis, connecting rod of eccentric wheel driving is moved forward and backward by presser feet and moves forward and backward holder drive Presser feet moves forward and backward drive shaft swing.
Big presser bar equipped with big presser feet is mounted on lower guideway and lower guideway sliding block 1.
Shank and small presser bar equipped with small presser feet can move up and down in needle bar guide pin bushing, and needle bar guide pin bushing is mounted on upper rail And lower guideway sliding block 2.
The advantages of the utility model and beneficial effect are:
The utility model overcomes presser feet and sewing driving is independent, and presser feet can be realized the problem to steel band feeding, pass through The design of the above mechanism, and can independent control, it can be achieved that presser feet driving drives with shank sewing separates;Size pressure can be achieved Feeding is realized in alternating movement before and after foot;The function of upper thread clamp can be realized by cylinder;Thread-loosening device can be carried out by cylinder Loose ends function;Sewing quality and precision can be improved, can independently drive, apply easier, quick.
Detailed description of the invention
Fig. 1 is a kind of perspective view of double drive right side head of sewing machine;
Fig. 2 is a kind of perspective view of double drive right side head of sewing machine;
Fig. 3 is a kind of perspective view of double drive right side head of sewing machine;
Fig. 4 is to press foot-powered structural schematic diagram;
Fig. 5 is the structural schematic diagram of sewing driving.
1. 2. presser feet drive shaft of main shaft, 3. presser feet moves forward and backward 4. presser feet up and down motion drive shaft of drive shaft, 5. loose ends By block
6. 9. clamp cylinder of loose ends cylinder 7. thread-loosening device, 8. head shell, 10. clamp cylinder mounting block 11. is installed Plate
12. the big 15. small presser bar of small 16. needle of presser feet, 17. shank 18. of presser feet of 13. clamp of magnetic bead 14.
19. big presser bar 20. promotes 21. lifting cylinder of connecting plate, 22. guide plate, 23. presser feet driving swing rod 24. and mentions Rise connecting rod
25. 26. big presser foot block of needle bar guide pin bushing, 27. 3 28. thread take-up cam of connecting rod, 29. thread take-up tension lever, 30. line-choosing connecting rods
31. being led under 34. shank fixture block of line-choosing connecting rod pin 32. thread take-up crank, 33. shank connecting rod, 35. lower guideway 36. Rail sliding block 1
37. 38. lower guideway sliding block of upper rail, 2 39. upper rail sliding block, 40. presser feet moves forward and backward eccentric wheel
41. presser feet moves forward and backward connecting rod of eccentric wheel 42. and moves forward and backward 43. up and down motion eccentric wheel of holder
44. 45. up and down motion holder of up and down motion connecting rod of eccentric wheel.
Specific embodiment
For the content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and cooperates attached Detailed description are as follows for figure.It should be noted that the present embodiment be it is descriptive, be not restrictive, cannot thus limit this reality With novel protection scope.
A kind of double drive right side head of sewing machine, including main shaft (1), presser feet drive shaft (2), presser feet move forward and backward drive shaft (3), presser feet up and down motion drive shaft (4), loose ends are by block (5), loose ends cylinder (6), thread-loosening device (7), head shell (8), folder Line cylinder (9), clamp cylinder mounting block (10), mounting plate (11), magnetic bead (12), clamp (13), big presser feet (14), small presser feet (15), needle (16), shank (17), small presser bar (18), big presser bar (19), promoted connecting plate (20), lifting cylinder (21), lead To plate (22), presser feet driving swing rod (23), promote connecting rod (24), needle bar guide pin bushing (25), big presser foot block (26), three connecting rods (27), thread take-up cam (28), thread take-up tension lever (29), line-choosing connecting rod (30), line-choosing connecting rod pin (31), thread take-up crank (32), shank Connecting rod (33), shank fixture block (34), lower guideway (35), lower guideway sliding block 1(36), upper rail (37), lower guideway sliding block 2(38), Upper rail sliding block (39), presser feet move forward and backward eccentric wheel (40), presser feet moves forward and backward connecting rod of eccentric wheel (41), move forward and backward holder (42), up and down motion eccentric wheel (43), up and down motion connecting rod of eccentric wheel (44), up and down motion holder (45);The transmission is defeated Enter for main shaft (1) and presser feet drive shaft (2).
Main shaft (1) drives thread take-up tension lever (29) to realize and acts to the take-up of line, pass through thread take-up crank by thread take-up cam (28) (32), shank connecting rod (33) drives the shank (17) equipped with needle (16) to move up and down.
Loose ends cylinder (6) is mounted on loose ends cylinder mounting block (5), by agitating realization to upper thread to thread-loosening device (7) Loose ends function.
Clamp (13) is mounted on clamp cylinder (9), and clamp cylinder (9) is mounted on clamp cylinder mounting block (10), Clamp cylinder (9) is by driving clamp (13) to realize the function of opposite wire clamp line.
By driving presser feet to move forward and backward eccentric wheel (40) in presser feet drive shaft (2), eccentric wheel is moved forward and backward by presser feet Connecting rod (41) driving moves forward and backward holder (42) and presser feet is driven to move forward and backward drive shaft (3) swing.
Big presser bar (19) equipped with big presser feet (14) can move up and down in big presser foot block (26), and be mounted on lower guideway (35) and lower guideway sliding block 1(36) on.
Shank (17) and the small presser bar (18) that small presser feet (15) are housed can move up and down in needle bar guide pin bushing (25), shank Guide sleeve (26) is mounted on upper rail sliding block (37) and lower guideway sliding block 2(38), drive shaft (3) are moved forward and backward by presser feet and are driven greatly Alternating movement before and after presser feet (14) and small presser feet (15).
By driving presser feet up and down motion eccentric wheel (43) in presser feet drive shaft (2), moved up and down eccentric wheel by presser feet Connecting rod (44) drives up and down motion holder (45) that presser feet up and down motion drive shaft (4) is driven to swing;Equipped with the big of big presser feet (14) Presser bar (19) can move up and down in big presser foot block (26).Shank (17) and the small presser bar (18) that small presser feet (15) are housed exist Needle bar guide pin bushing can move up and down in (25), and presser feet up and down motion drive shaft (4) drives presser feet driving swing rod (23) and three connecting rods (27) big presser bar (19) and small presser bar (18) up-down alternative motion are driven.
Lifting cylinder (21) drives big presser bar (19) and small presser bar (18) to realize presser feet by promoting connecting plate (20) Liftable function.

Claims (10)

1. head of sewing machine on the right side of a kind of double drive, including main shaft, presser feet drive shaft, presser feet move forward and backward drive shaft, on presser feet Lower movement drive shaft, loose ends are by block, loose ends cylinder, thread-loosening device, head shell, clamp cylinder, clamp cylinder mounting block, installation Plate, clamp, big presser feet, small presser feet, needle, shank, small presser bar, big presser bar, promotes connecting plate, lifting cylinder, leads magnetic bead To plate, presser feet driving swing rod, promote connecting rod, needle bar guide pin bushing, big presser foot block, three connecting rods, thread take-up cam, thread take-up tension lever, take-up company Bar, line-choosing connecting rod pin, thread take-up crank, shank connecting rod, shank fixture block, lower guideway, lower guideway sliding block 1, upper rail, lower guideway are sliding Block 2, upper rail sliding block, presser feet move forward and backward eccentric wheel, presser feet moves forward and backward connecting rod of eccentric wheel, move forward and backward holder, transport up and down Movable eccentric wheel, up and down motion connecting rod of eccentric wheel, up and down motion holder;It is characterized by: the loose ends cylinder is mounted on loose ends On cylinder mounting block;The clamp is mounted on clamp cylinder;The clamp cylinder is mounted on clamp cylinder mounting block On;Big presser bar equipped with big presser feet is mounted on lower guideway and lower guideway sliding block 1;Shank and small presser bar equipped with small presser feet It can move up and down in needle bar guide pin bushing, needle bar guide pin bushing is mounted on upper rail and lower guideway sliding block 2.
2. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: the mechanism uses Sewing send steel band separately to drive with presser feet.
3. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: the mechanism passes through Eccentric wheel connecting rod mechanism drives presser feet to move up and down.
4. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: the mechanism passes through Eccentric wheel connecting rod mechanism driving presser feet moves forward and backward.
5. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: the big pressure of the mechanism Foot, which is mounted on guide rail slide block, realizes that big presser feet can front and back parallel motion.
6. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: the mechanism passes through The enhanced feature of cylinder realization presser feet.
7. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: the mechanism passes through Cylinder activation lever plate realizes automatic loose ends.
8. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: the mechanism passes through Main shaft drives eccentric wheel drives thread take-up tension lever to realize automatic take-up function.
9. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: pass through three connecting rod realities Now big presser feet, small presser feet alternately move up and down.
10. head of sewing machine on the right side of a kind of double drive according to claim 1, it is characterised in that: pass through cylinder mechanism It realizes and wire clamping function is carried out to upper thread.
CN201820694027.9U 2018-05-10 2018-05-10 A kind of double drive right side head of sewing machine Expired - Fee Related CN208183274U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820694027.9U CN208183274U (en) 2018-05-10 2018-05-10 A kind of double drive right side head of sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820694027.9U CN208183274U (en) 2018-05-10 2018-05-10 A kind of double drive right side head of sewing machine

Publications (1)

Publication Number Publication Date
CN208183274U true CN208183274U (en) 2018-12-04

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ID=64429536

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820694027.9U Expired - Fee Related CN208183274U (en) 2018-05-10 2018-05-10 A kind of double drive right side head of sewing machine

Country Status (1)

Country Link
CN (1) CN208183274U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110468523A (en) * 2018-05-10 2019-11-19 天津宝盈电脑机械有限公司 A kind of double drive right side head of sewing machine
CN111434820A (en) * 2019-01-14 2020-07-21 浙江中捷缝纫科技有限公司 Sewing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110468523A (en) * 2018-05-10 2019-11-19 天津宝盈电脑机械有限公司 A kind of double drive right side head of sewing machine
CN111434820A (en) * 2019-01-14 2020-07-21 浙江中捷缝纫科技有限公司 Sewing machine

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181204

Termination date: 20190510