CN112281332B - Transfer gear transmission configuration structure of sewing machine - Google Patents
Transfer gear transmission configuration structure of sewing machine Download PDFInfo
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- CN112281332B CN112281332B CN201910670914.1A CN201910670914A CN112281332B CN 112281332 B CN112281332 B CN 112281332B CN 201910670914 A CN201910670914 A CN 201910670914A CN 112281332 B CN112281332 B CN 112281332B
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- differential
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- base
- sewing machine
- transfer
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/14—Devices for changing speed or for reversing direction of rotation
- D05B69/16—Devices for changing speed or for reversing direction of rotation mechanical
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
- D05B73/04—Lower casings
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a transfer gear transmission configuration structure of a sewing machine, which comprises a base, wherein the base is provided with an accommodating space, the transfer gear transmission configuration structure comprises a micro semi-cylinder body, a main feeder transmission mechanism, a differential feeder transmission mechanism, a main transfer gear and a differential transfer gear, the micro semi-cylinder body is provided with an accommodating cavity, the main transfer gear comprises a main base, a main arm and a rear feed gear, the differential transfer gear comprises a differential base, a differential arm and a front feed gear, the main arm and the differential arm respectively extend into the accommodating cavity from the accommodating space, and the front feed gear is arranged in front and back corresponding to the rear feed gear and is formed in the accommodating cavity. Therefore, the sewing machine can be applied to sewing processing of cuffs and lower hem of children clothes or baby clothes.
Description
Technical Field
The invention relates to a sewing machine technology, in particular to a transfer gear transmission configuration structure of a sewing machine.
Background
The present applicant's own taiwan patent document No. I305241 "transmission structure of transfer teeth of cylindrical sewing machine" discloses a transmission structure between a main shaft and transfer teeth provided at an end of the main shaft or at a periphery of a transfer table, so as to configure a position relationship most suitable for an optimal sewing condition, and provide adjustment of a transfer stroke of front and rear transfer teeth, so as to be suitable for sewing different fabrics.
The cylindrical sewing machine of this patent is only applicable to the sewing of children's clothes and trousers, and is limited by the overall dimensions of the semi-cylindrical members, so that it is completely impossible to process the clothes for young children or babies. However, the resistance of the toddler or the infant is generally inferior to that of a older child, so that it is very important to provide a machine for sewing the cuffs and the lower hem of the toddler or the infant, thereby making the toddler or the infant clothes with good warm keeping effect.
In view of the above, the present inventors have made extensive studies to solve the above problems in view of the above-mentioned shortcomings in the prior art, and have made an effort to solve the above problems in combination with the use of the teachings.
Disclosure of Invention
The invention aims to provide a transfer gear transmission configuration structure of a sewing machine, which enables the size of a miniature semi-cylinder body to be properly reduced through the arrangement of all components, and further can be applied to the sewing processing of cuffs and lower hem of toddler or baby clothes.
In order to achieve the above object, the present invention provides a transfer gear transmission configuration structure of a sewing machine, the sewing machine comprises a base, an accommodating space is provided in the base, the transfer gear transmission configuration structure comprises a micro semi-cylinder, a main feeder transmission mechanism, a differential feeder transmission mechanism, a main transfer gear and a differential transfer gear, the micro semi-cylinder has a cavity, the micro semi-cylinder is connected to one side edge of the base, and the cavity is communicated with the accommodating space; the main conveying tool transmission mechanism comprises a main conveying tool table arranged in the accommodating space; the differential transmission mechanism comprises a differential transmission platform arranged in the containing space, and the differential transmission platform and the main transmission platform are abutted in parallel; the main transfer tooth comprises a main base, a main arm extending from the main base and a backward transfer tooth extending from the main arm, the main base is fixed on the main transfer tool platform, and the main arm extends into the containing cavity from the containing space; the differential transfer gear comprises a differential base, a differential arm extending from the differential base and a front transfer gear extending from the differential arm, the differential base is fixed on the differential transfer tool table, the differential arm extends into the containing cavity from the containing space, and the front transfer gear is arranged in front and back corresponding to the rear transfer gear and is formed in the containing cavity.
The invention also has the following effect that the structures of the conveying tool rocking rods and the conveying tool transmission shafts are more compact and stable by arranging the main conveying tool table and the differential conveying tool table in the accommodating space. The arrangement of the fixed rear needle protection component enables each sewing needle to obtain good supporting and protecting effects in the up-and-down moving process.
Drawings
FIG. 1 is a perspective view of the present invention incorporated in a sewing machine;
FIG. 2 is a schematic view of the present invention in combination with a base;
FIG. 3 is an exploded view of a transfer tooth drive arrangement of the present invention;
FIG. 4 is a schematic view showing the combination of the throat portion and the sewing machine incorporated in the bed according to the present invention;
FIG. 5 is a schematic view showing the combination of the mechanisms incorporated in the sewing machine according to the present invention;
FIG. 6 is a schematic view of another combination of the various mechanisms of the present invention incorporated into a sewing machine;
FIG. 7 is a view showing another combination of the mechanism of the present invention incorporated in a sewing machine.
Symbolic illustration in the drawings:
10. a miniature half cylinder;
11. a flat plate;
12. a half cylinder member;
121. a cavity;
122. a bump;
123. a through hole;
13. an end cap;
20. a main feeder transmission mechanism;
21. a main feeder table;
211. a front fork opening;
212. a rear fork opening;
213. a middle chute;
214. a rear projection;
22. a main feeder rocker;
23. a main conveyor transmission shaft;
24. a rear slider;
25. a left slider;
30. a differential transmission mechanism;
31. a differential feeder stage;
311. a front fork opening;
312. a rear fork opening;
313. a middle chute;
314. a front bump;
32. a differential transmission rocker;
33. a differential transmission shaft;
34. a front slider;
35. a right slider;
40. a primary transfer tooth;
41. a main base;
42. a main arm;
43. rear feeding teeth;
50. a differential transfer tooth;
51. a differential base;
52. a differential arm;
53. a forward feed gear;
60. a rear needle guard member;
65. a front needle guard member;
8. a sewing machine;
81. a machine base;
811. a base body;
812. a throat section;
813. an accommodating space;
814. a first accommodating space;
815. a second accommodating space;
82. a horn;
83. a spindle mechanism;
84. a motion conversion mechanism;
85. a gap distance changing mechanism;
86. a gap distance adjusting mechanism;
87. a differential conversion mechanism;
88. a differential adjustment mechanism;
89. a crochet needle transmission mechanism;
891. hooking the needle seat;
892. pointing.
Detailed Description
The detailed description and technical contents of the present invention are described below with reference to the accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the present invention.
Referring to fig. 1 to 7, the present invention provides a transmission arrangement structure of a transfer gear of a sewing machine, which is a further improvement based on the patent of taiwan patent publication No. TWI305241, which was previously applied and issued by the inventor, and therefore, the same portions of the present application and the aforementioned patent can refer to the description of the aforementioned patent.
The sewing machine 8 mainly includes a Bed (Bed) 81 and an Arm (Arm) 82 fixed above the Bed 81, the Bed 81 mainly includes a seat 811 and a throat portion 812, wherein the throat portion 812 may be integrally formed with the seat 811, or the throat portion 812 of the present embodiment is fastened to one side of the seat 811 by a plurality of screws, the Bed 81 has an accommodating space 813 therein, and the accommodating space 813 mainly includes a first accommodating space 814 formed inside the seat 811 and a second accommodating space 815 formed inside the throat portion 812.
Further, the sewing machine 8 further includes a main shaft mechanism 83, a motion conversion mechanism 84, a stitch pitch conversion mechanism 85, a stitch pitch adjustment mechanism 86, a differential conversion mechanism 87, a differential adjustment mechanism 88, a crochet hook transmission mechanism 89 and other related mechanisms and components which are connected to each other. The spindle mechanism 83 is disposed on the base 81 and is driven by a motor (not shown) to perform a unidirectional rotation motion, the motion conversion mechanism 84 disposed in the base 81 converts the unidirectional rotation motion of the spindle mechanism 83 into a reciprocating motion within a predetermined angle range, the pitch conversion mechanism 85 is connected to the motion conversion mechanism 84, and the differential conversion mechanism 87 is connected to the pitch conversion mechanism 85.
The present invention mainly comprises a micro semi-cylinder 10, a main feeding device transmission mechanism 20, a differential feeding device transmission mechanism 30, a main feeding tooth 40 and a differential feeding tooth 50.
The miniature half-cylinder 10 mainly comprises a flat plate 11 and a half-cylinder member 12 extending outwards from the flat plate 11, wherein the peripheral shape of the flat plate 11 is matched with the peripheral shape of the throat part 812, the half-cylinder member 12 is approximately in a half-cylinder shape, and the term "miniature" refers to that when the half-cylinder member 12 is in a half-circle shape, the radius of the half-cylinder member is required to be less than 26.5mm, wherein the radius of the half-cylinder member is preferably less than 24mm or 23 mm; when the half-cylindrical member 12 is a polygon, its lateral width is 53mm or less, with 48mm or less or 46.2mm or less being preferred. The half-cylinder member 12 has a cavity 121 therein, a protrusion 122 extends in the cavity 121, and the protrusion 122 has a through hole 123. The miniature half cylinder 10 is fixed on one side of the base 81 through the flat plate 11, and the cavity 121 and the receiving space 813 are communicated with each other. The miniature half-cylinder 10 further comprises an end cap 13, and the end cap 13 is covered on one end of the half-cylinder 12 far away from the flat plate 11.
The main feeder transmission mechanism 20 is installed in the receiving space 813 and connected to the gap distance changing mechanism 85, the gap distance adjusting mechanism 86 is configured corresponding to the gap distance changing mechanism 85 and is used for changing the relative direction and position of each component of the gap distance changing mechanism 85, so as to achieve gap distance adjustment, the main feeder transmission mechanism 20 mainly includes a main feeder table 21, a main feeder rocker 22 and a main feeder transmission shaft 23, wherein the main feeder table 21 is disposed in the first receiving space 814, one end of the main feeder rocker 22 penetrates the main feeder table 21 and drives the main feeder table 21 to move up and down, the other end of the main feeder rocker 22 penetrates the second receiving space 815 to be connected to the gap distance changing mechanism 85, one end of the main feeder transmission shaft 23 penetrates the main feeder table 21 and drives the main feeder table 21 to move forward and backward, and the other end of the main feeder transmission shaft 23 penetrates the second receiving space 815 to be connected to the motion changing mechanism 84.
The differential transmission mechanism 30 is installed in the accommodation space 813 and connected to the differential transformation mechanism 87, the differential transformation mechanism 87 is connected to the gap distance transformation mechanism 85, the differential adjustment mechanism 88 is configured corresponding to the differential transformation mechanism 87 and is used for changing the relative direction and position of each component of the differential transformation mechanism 87, so as to achieve the adjustment of the differential gap distance, the differential transmission mechanism 30 includes a differential transmission table 31, a differential transmission rocker 32 and a differential transmission shaft 33, the differential transmission table 31 and the main transmission table 21 are abutted in parallel, the differential transmission shaft 33 is sleeved on the main transmission shaft 23, one end of the differential transmission rocker 32 is penetrated through the differential transmission table 31 and is used for driving the differential transmission table 31 to generate the up-and-down movement, the other end of the differential transmission rocker 32 is penetrated into the second accommodation space 815 to be connected to the differential transformation mechanism 87, one end of the differential transmission shaft 33 is penetrated through the differential transmission table 31 and is used for driving the differential transmission table 31 to generate the front-back movement, and the other end of the differential transmission shaft 33 is penetrated into the second accommodation space 815 for being connected to the accommodation space 84 and is connected to the differential transmission mechanism 84.
To explain further, the main feeding table 21 has a front fork 211, a rear fork 212 and a middle slide groove 213, and a rear protrusion 214 is formed above the rear fork 212, the differential feeding table 31 also has a front fork 311, a rear fork 312 and a middle slide groove 313, and a front protrusion 314 is formed above the front fork 311, the main feeding table 21 is abutted against the left side of the differential feeding table 31 in parallel, and the front fork 211, the rear fork 212 and the middle slide groove 213 of the main feeding table 21 are respectively configured corresponding to the front fork 311, the rear fork 312 and the middle slide groove 313 of the differential feeding table 31.
Wherein each rear fork mouth 212, 312 commonly accommodates a rear slider 24, and the rear slider 24 is used for the penetration of the main conveyor rocker 22. The front fork openings 211, 311 commonly accommodate a front slider 34, and the front slider 34 is used for the differential transmission rocker 32 to pass through. The middle sliding slot 213 of the main feeding device table 21 is used for accommodating a left sliding block 25, one end of the transmission shaft 23 of the main feeding device is connected with the left sliding block 25 in a penetrating way through a shaft rod 231, the middle sliding slot 313 of the differential feeding device table 31 is used for accommodating a right sliding block 35, and one end of the transmission shaft 33 of the differential feeding device is connected with the right sliding block 35 in a penetrating way through a shaft rod.
The main transfer gear 40 mainly includes a main base 41, a main arm 42 extending from the main base 41, and a backward transfer gear 43 extending from the main arm 42, the main base 41 is fixed to the backward protrusion 214 of the main transfer platform 21, and the main arm 42 extends from the second accommodation space 815 into the cavity 121 of the semi-cylindrical member 12.
The differential transfer gear 50 mainly includes a differential base 51, a differential arm 52 extending from the differential base 51, and a front feed gear 53 extending from the differential arm 52, the differential base 51 is fixed on the front protrusion 314 of the differential transfer tool table 31, the differential arm 52 extends from the second accommodating space 815 into the cavity 121 of the half cylinder member 12, and the front feed gear 53 is arranged in front and rear corresponding to the rear feed gear 43 and is formed in the cavity 121.
Further, the transfer gear transmission configuration structure of the present invention further includes a rear needle guard member 60, wherein the rear needle guard member 60 is a fixed rear needle guard member, which is inserted into the through hole 123, fixed to the half cylinder member 12 by a screw, and formed in the cavity 121.
Further, the transfer gear transmission configuration structure of the present invention further includes a front needle protection member 65, the front needle protection member 65 is a movable front needle protection member, the needle hooking transmission mechanism 89 includes a needle hooking base 891 and a needle hooking 892 fixed to the needle hooking base 891, and the front needle protection member 65 is fixed to the needle hooking base 891 by a screw and moves along with the needle hooking 892.
Claims (10)
1. A transfer gear transmission configuration structure of a sewing machine is characterized in that the sewing machine comprises a base, an accommodating space is arranged in the base, and the transfer gear transmission configuration structure comprises:
the miniature semi-cylinder is provided with a cavity, the miniature semi-cylinder is connected to one side of the base, and the cavity is communicated with the accommodating space;
a main feeder transmission mechanism, which comprises a main feeder table arranged in the accommodating space;
the differential transmission mechanism comprises a differential transmission table arranged in the accommodating space, and the differential transmission table and the main transmission table are abutted in parallel;
a main transfer tooth including a main base, a main arm extending from the main base, and a backward transfer tooth extending from the main arm, wherein the main base is fixed on the main transfer platform, and the main arm extends from the accommodating space into the accommodating cavity; and
the differential transfer gear comprises a differential base, a differential arm extending from the differential base and a front transfer gear extending from the differential arm, wherein the differential base is fixed on the differential transfer tool table, the differential arm extends into the accommodating cavity from the accommodating space, and the front transfer gear is arranged front and back corresponding to the rear transfer gear and is formed in the accommodating cavity.
2. A transfer tooth drive arrangement for a sewing machine as claimed in claim 1 wherein said micro-cartridge half includes a plate and a cartridge half extending outwardly from said plate, said pocket being formed in said cartridge half.
3. A feed dog gear arrangement for a sewing machine as claimed in claim 2, wherein the micro-cylinder half further comprises an end cap covering an end of the cylinder half remote from the plate.
4. A transfer gear transmission arrangement for a sewing machine as claimed in claim 1, wherein said main feed gear transmission mechanism further comprises a main feed rocker, said differential feed gear transmission mechanism further comprises a differential feed rocker, one end of said main feed rocker is connected to said main feed table and said differential feed table through a rear slider, and one end of said differential feed rocker is connected to said main feed table and said differential feed table through a front slider, and is commonly used to drive said main feed table and said differential feed table to move in a vertical direction.
5. A transfer gear transmission layout structure for sewing machine according to claim 4 wherein the main feed gear transmission mechanism further comprises a main feed gear shaft, the differential feed gear transmission mechanism further comprises a differential feed gear shaft, the main feed gear shaft penetrates the differential feed gear shaft, one end of the main feed gear shaft penetrates the main feed gear table and is used for driving the main feed gear table to move forward and backward, and one end of the differential feed gear shaft penetrates the differential feed gear table and is used for driving the differential feed gear table to move forward and backward.
6. A transfer tooth drive arrangement for a sewing machine as defined in claim 1 further comprising a stationary rear needle guard member.
7. The transfer tooth drive arrangement of a sewing machine as claimed in claim 6 wherein a projection extends within the pocket, a through hole being defined in the projection, the rear needle guard member being threaded and secured in the through hole and being formed within the pocket.
8. A transfer tooth drive arrangement for a sewing machine as defined in claim 1 further comprising a moving front needle guard member.
9. The transfer gear transmission arrangement of a sewing machine as claimed in claim 8, wherein said sewing machine further comprises a looper transmission mechanism, said looper transmission mechanism comprising a looper base and a looper fixed to said looper base, said front needle guard member fixing said looper base and moving in accordance with said looper.
10. A transfer tooth drive arrangement for a sewing machine as defined in claim 1 wherein said main feed table has a rear fork, a rear lug formed above said rear fork, said main base being fixed to said rear lug, said differential feed table has a front fork, a front lug formed above said front fork, said differential base being fixed to said front lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670914.1A CN112281332B (en) | 2019-07-24 | 2019-07-24 | Transfer gear transmission configuration structure of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670914.1A CN112281332B (en) | 2019-07-24 | 2019-07-24 | Transfer gear transmission configuration structure of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112281332A CN112281332A (en) | 2021-01-29 |
| CN112281332B true CN112281332B (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910670914.1A Active CN112281332B (en) | 2019-07-24 | 2019-07-24 | Transfer gear transmission configuration structure of sewing machine |
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| Country | Link |
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| CN (1) | CN112281332B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1685057A1 (en) * | 1965-02-01 | 1971-03-18 | Union Special Machine Co | Sewing machine with the main fabric feed mechanism combined with a differential feed mechanism |
| CN86107513A (en) * | 1986-04-10 | 1987-10-21 | 飞马缝纫机制造株式会社 | The differential cloth-feeding device of cylindricality platform-type Sewing machines |
| CN1614117A (en) * | 2003-11-07 | 2005-05-11 | 兄弟工业株式会社 | Sewing machine |
| CN1632208A (en) * | 2003-12-22 | 2005-06-29 | 高林股份有限公司 | Transmission arrangement for transfer teeth of cylinder type sewing machine |
| CN101377036A (en) * | 2007-08-31 | 2009-03-04 | Juki株式会社 | Feed gear inclination adjusting device of sewing machine |
| CN210636178U (en) * | 2019-07-24 | 2020-05-29 | 高林股份有限公司 | Transfer gear transmission configuration structure of sewing machine |
-
2019
- 2019-07-24 CN CN201910670914.1A patent/CN112281332B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1685057A1 (en) * | 1965-02-01 | 1971-03-18 | Union Special Machine Co | Sewing machine with the main fabric feed mechanism combined with a differential feed mechanism |
| CN86107513A (en) * | 1986-04-10 | 1987-10-21 | 飞马缝纫机制造株式会社 | The differential cloth-feeding device of cylindricality platform-type Sewing machines |
| CN1614117A (en) * | 2003-11-07 | 2005-05-11 | 兄弟工业株式会社 | Sewing machine |
| CN1632208A (en) * | 2003-12-22 | 2005-06-29 | 高林股份有限公司 | Transmission arrangement for transfer teeth of cylinder type sewing machine |
| CN101377036A (en) * | 2007-08-31 | 2009-03-04 | Juki株式会社 | Feed gear inclination adjusting device of sewing machine |
| CN210636178U (en) * | 2019-07-24 | 2020-05-29 | 高林股份有限公司 | Transfer gear transmission configuration structure of sewing machine |
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| Publication number | Publication date |
|---|---|
| CN112281332A (en) | 2021-01-29 |
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