CN107938193B - Template sewing machine with freely rotatable and liftable machine head - Google Patents
Template sewing machine with freely rotatable and liftable machine head Download PDFInfo
- Publication number
- CN107938193B CN107938193B CN201711328130.8A CN201711328130A CN107938193B CN 107938193 B CN107938193 B CN 107938193B CN 201711328130 A CN201711328130 A CN 201711328130A CN 107938193 B CN107938193 B CN 107938193B
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- China
- Prior art keywords
- rotating shaft
- synchronous belt
- seat
- movable plate
- head
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
- D05B69/12—Electrical or electromagnetic drives using rotary electric motors
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
Abstract
The invention relates to a template sewing machine with freely rotatable and liftable machine heads, wherein an upper machine head and a bottom line mechanism synchronously rotate through a synchronous belt by a rotating motor arranged in a machine head assembly, and the synchronous belt is better in synchronism.
Description
Technical Field
The invention relates to the sewing machine technology, in particular to a template sewing machine with a machine head capable of freely rotating 360 degrees and automatically lifting.
Background
At present, a template sewing machine generally comprises a frame, a machine head, a bottom thread mechanism and a template transmission mechanism, wherein the machine head, the bottom thread mechanism and the template transmission mechanism are arranged on the frame, and the template transmission mechanism drives a template to move according to a preset track under the control of a controller during working.
For this purpose, a sewing machine with rotatable head and bottom thread mechanism is designed, for example, publication number CN103981638B discloses an arm-extending rotary type independent driving automatic sewing device, which comprises an upper head and a lower head which are respectively and independently driven, wherein the upper head comprises a head lifting component, a head rotating component and a head component, the head rotating component is fixed on the head lifting component, the head component is fixed at the lower part of the head rotating component, and the upper head can be lifted and can also rotate with the lower head synchronously and adaptively; the lower machine head comprises a bottom line rotating assembly and a bottom shuttle system, wherein the bottom shuttle system is arranged at the upper part of the bottom line rotating assembly, and the bottom line rotating assembly drives the bottom shuttle system to rotate in any direction by 360 degrees; the upper machine head and the lower machine head are also respectively provided with a servo control system, and the servo control system controls the steering of the bottom line rotating shaft to correspond to the machine head rotating shaft and have the same rotating speed; the lower machine head and the upper machine head are driven by independent motors when in operation, the upper machine head and the lower machine head rotate and are controlled by independent rotating motors, so that the machine head is necessary to be provided with a working driving motor, the rotating motor and a speed reducing mechanism for motor output at the same time; meanwhile, the structure of the speed reducing mechanism and the lifting mechanism is complex, and higher requirements are set for processing and assembling.
Disclosure of Invention
The invention aims to provide a template sewing machine with freely rotatable and liftable machine heads, wherein an upper machine head and a bottom line mechanism synchronously rotate through a synchronous belt by a rotating motor arranged in a machine head assembly, so that the synchronism is good, and meanwhile, a lifting mechanism for driving the upper machine head to lift is also arranged between the upper machine head and the machine head assembly.
The following technical scheme is adopted for realizing the purposes:
the utility model provides a template sewing machine that aircraft nose can freely rotate and go up and down, includes frame and aircraft nose subassembly, the aircraft nose subassembly include connecting seat and cantilever arm, the connecting seat fix in the frame, cantilever arm right-hand member and connecting seat upper portion link firmly, cantilever arm left end is provided with the aircraft nose be located the below of last aircraft nose in the frame is provided with wire-laying mechanism, its characterized in that: the upper machine head is connected with the upper machine head through a lifting mechanism, the lifting mechanism comprises a fixed plate and a movable plate, the inner side of the fixed plate is fixedly connected to the left end part of the upper machine head, a fixed seat is arranged on the outer side of the fixed plate, an axle hole in the up-down direction is formed in the fixed seat, and an upper synchronous pulley which is coaxially arranged with the axle hole is also arranged on the fixed seat; the upper machine head is fixed on the movable plate and can freely rotate, the upper part of the upper rotating shaft penetrates through the shaft hole and the inner ring of the upper synchronous belt pulley, the upper rotating shaft is a spline shaft with a spline on the outer wall, teeth and keys matched with the spline are arranged on the inner ring of the upper synchronous belt pulley, the upper rotating shaft can axially move up and down relative to the upper synchronous belt pulley, the bottom line mechanism is arranged on the frame through a lower rotating shaft and a lower plane bearing, and the lower rotating shaft is also sleeved with the lower synchronous belt pulley; the connecting seat is internally provided with a rotating motor, an output shaft of the rotating motor is connected with a driving belt pulley or is connected with the driving belt pulley through a connecting shaft, the driving belt pulley comprises an upper driving belt pulley and a lower driving belt pulley, the upper driving belt pulley is connected with the upper synchronous belt pulley through an upper synchronous belt, and the lower driving belt pulley is connected with the lower synchronous belt pulley through a lower synchronous belt.
And a synchronous belt tensioning mechanism is further arranged in the frame and the cantilever arm, and the upper synchronous belt and the lower synchronous belt pass through the synchronous belt tensioning mechanism.
The synchronous belt tensioning mechanism comprises a base and two rollers, the two rollers are pivoted on the base, the upper synchronous belt and the lower synchronous belt pass through the space between the two rollers, and the base can be rotatably fixed on a frame or a cantilever arm.
At least two rotary guide grooves are formed in the base, the rotary guide grooves are symmetrically distributed in the rotation center of the base, and the positioning screw rod penetrates through the rotary guide grooves to fix the base on the frame or the cantilever arm.
The number of teeth of the upper and lower synchronous pulleys is greater than that of the upper and lower driving pulleys.
The upper end part of the upper rotating shaft and the lower end part of the lower rotating shaft are respectively sleeved with a conductive slip ring, and the conductive slip rings are used for supplying power to and sending instructions to the driving motors on the upper machine head and the bottom line mechanism.
The upper and lower guide mechanisms comprise guide rails and sliding blocks, the guide rails are longitudinally arranged and distributed on two sides of the fixed seat, and the sliding blocks are fixed on the inner side of the movable plate and matched with the guide rails; the lifting driving device is a lifting cylinder, the lifting cylinder is fixedly connected to the fixed plate, and the lifting cylinder driving rod is fixedly connected with the movable plate.
The movable plate comprises an upper guide seat and a lower guide seat, the upper guide seat and the lower guide seat are respectively positioned above and below the fixed seat, the upper plane bearing is arranged on the upper guide seat, a through hole coaxial with the shaft hole is formed in the upper guide seat, a guide sleeve or an axial bearing is arranged in the through hole, and the upper part of the upper rotating shaft penetrates through the guide sleeve or the axial bearing.
Compared with the structure that the upper machine head and the bottom line mechanism are driven to rotate by the existing independent motor, the invention reduces one motor and two speed reducing mechanisms, the invention arranges the rotating motor in the connecting seat of the machine head assembly with wider internal space, realizes the speed reducing effect by changing the gear ratio of the driving belt wheel and the synchronous belt, has simpler and more reasonable structure, reduces the cost of the rotating motor and the speed reducing mechanism, fully utilizes the internal space of the sewing machine, and ensures that the assembly is more convenient; meanwhile, the upper rotating shaft adopts the spline shaft to realize synchronous rotation of the upper machine head and the bottom line mechanism, and can realize free lifting of the upper machine head, so that the problem that the existing transmission belt transmission mechanism cannot realize lifting movement is solved, and the characteristics of simple and reasonable structure, lower manufacturing cost, convenience in assembly and good reliability are realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the internal transmission mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the upper head and the lifting mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the fixing plate and the upper synchronous pulley of the present invention;
FIG. 5 is a schematic view of the belt tensioning mechanism of the present invention.
Detailed Description
As shown in fig. 1-5, a template sewing machine with a freely rotatable and liftable machine head comprises a frame 1 and a machine head assembly 2, wherein the machine head assembly 2 comprises a connecting seat 21 and a cantilever arm 22, the connecting seat 21 is fixed on the frame 1, the right end of the cantilever arm 22 is fixedly connected with the upper part of the connecting seat 21, the left end of the cantilever arm 22 is provided with an upper machine head 3, a bottom thread mechanism 5 is arranged below the upper machine head 3 on the frame 1, the cantilever arm 22 is connected with the upper machine head 3 through a lifting mechanism 6, the lifting mechanism 6 comprises a fixed plate 61 and a movable plate 62, the inner side of the fixed plate 61 is fixedly connected with the left end part of the cantilever arm 22, a fixed seat 63 is arranged on the outer side of the fixed plate 61, an upper and lower shaft hole is formed in the fixed seat 63, and an upper synchronous pulley 71 coaxially arranged with the shaft hole is also arranged on the fixed seat 63; the movable plate 62 is connected to the outer side of the fixed plate 61 through an upper and lower guide mechanism 9, a lifting driving device 65 is further arranged between the movable plate 62 and the fixed plate 61, the lifting driving device 65 drives the movable plate 62 to lift up and down along the upper and lower guide mechanism 8, the top of the upper machine head 3 is connected with the movable plate 62 through an upper rotating shaft 31 and an upper plane bearing 32, the upper plane bearing 32 is coaxially fixed on the movable plate 62 with a shaft hole, the upper rotating shaft 31 is fixedly connected with the inner ring of the upper plane bearing 32 to fix the upper machine head 3 on the movable plate 62 and can freely rotate, the upper part of the upper rotating shaft 31 penetrates through the shaft hole and the inner ring of the upper synchronous pulley 71, the upper rotating shaft 31 is a spline shaft with a spline on the outer wall, the inner ring of the upper synchronous pulley 71 is provided with teeth and keys matched with the spline, the upper rotating shaft 31 can axially move up and down relatively, and the bottom line mechanism 5 is provided with a frame 1 through a lower rotating shaft and a lower plane bearing 51, and the lower rotating shaft is further sleeved with a lower synchronous pulley 72; a rotating motor 7 is arranged in the connecting seat 21, an output shaft of the rotating motor 7 is connected with a driving belt pulley or is connected with the driving belt pulley through a connecting shaft, the driving belt pulley comprises an upper driving belt pulley 73 and a lower driving belt pulley 74, the upper driving belt pulley 73 is connected with the upper synchronous belt pulley 71 through an upper synchronous belt 75, the lower driving belt pulley 74 is connected with the lower synchronous belt pulley 72 through a lower synchronous belt 76, and the number of teeth of the upper and lower synchronous belt pulleys is larger than that of the upper and lower driving belt pulleys; the upper end part of the upper rotating shaft 31 and the lower end part of the lower rotating shaft are respectively sleeved with a conductive slip ring 85, and the conductive slip rings 85 are used for supplying power to and sending instructions to the driving motors on the upper machine head and the bottom line mechanism.
A synchronous belt tensioning mechanism 8 is further arranged in the frame 1 and the cantilever arm 22, and the upper synchronous belt and the lower synchronous belt pass through the synchronous belt tensioning mechanism 8; the synchronous belt tensioning mechanism 8 comprises a base 81 and two rollers 82, the two rollers 82 are pivoted on the base 81, the upper synchronous belt and the lower synchronous belt pass through the space between the two rollers 82, and the base 81 is rotatably fixed on the frame 1 and the cantilever arm 22; at least two rotary guide grooves 83 are formed in the base 81, and the positioning screw rod penetrates through the rotary guide grooves 83 to fix the base on the frame 1 and the cantilever arm 22.
The upper and lower guide mechanism 9 comprises a guide rail 91 and a slide block 92, wherein the guide rail 91 is longitudinally arranged and distributed on two sides of the fixed seat 63, and the slide block 92 is fixed on the inner side of the movable plate 62 and matched with the guide rail; the lifting driving device 65 is a lifting cylinder, the lifting cylinder is fixedly connected with the fixed plate 61, and a lifting cylinder driving rod is fixedly connected with the movable plate 62; the movable plate 62 comprises an upper guide seat 66 and a lower guide seat 67, the upper guide seat 66 and the lower guide seat 67 are respectively positioned above and below the fixed seat 63, the upper plane bearing 32 is arranged on the lower guide seat 67, a through hole coaxial with the shaft hole is formed in the upper guide seat, a guide sleeve or an axial bearing is arranged in the through hole, and the upper part of the upper rotating shaft 31 penetrates through the guide sleeve or the axial bearing.
The invention considers that the upper machine head and the bottom thread mechanism of the existing intelligent control sewing machine generally adopt independent motors to control the upper machine head and the bottom thread mechanism to work, and the upper machine head and the bottom thread mechanism are provided with independent rotating motors, so that the volume display of the upper machine head is huge, and other auxiliary equipment cannot be installed on the side part of the upper machine head; meanwhile, the upper rotating shaft adopts the spline shaft to realize synchronous rotation of the upper machine head and the bottom line mechanism, and can realize free lifting of the upper machine head, so that the problem that the existing transmission belt transmission mechanism cannot realize lifting movement is solved, and the characteristics of simple and reasonable structure, lower manufacturing cost, convenience in assembly and good reliability are realized.
Claims (8)
1. The utility model provides a template sewing machine that aircraft nose can freely rotate and go up and down, includes frame (1) and aircraft nose subassembly (2), aircraft nose subassembly (2) include connecting seat (21) and cantilever arm (22), connecting seat (21) fix on frame (1), cantilever arm (22) right-hand member link firmly with connecting seat (21) upper portion, cantilever arm (22) left end is provided with aircraft nose (3) be located the below of upper nose (3) on frame (1) is provided with wire-underlying mechanism (5), its characterized in that: the cantilever arm (22) is connected with the upper machine head (3) through a lifting mechanism (6), the lifting mechanism (6) comprises a fixed plate (61) and a movable plate (62), the inner side of the fixed plate (61) is fixedly connected to the left end part of the cantilever arm (22), a fixed seat (63) is arranged on the outer side of the fixed plate (61), an axle hole in the vertical direction is formed in the fixed seat (63), and an upper synchronous pulley (71) which is coaxially arranged with the axle hole is further arranged on the fixed seat (63); the movable plate (62) is connected to the outer side of the fixed plate (61) through an upper and lower guide mechanism (9), a lifting driving device (65) is further arranged between the movable plate (62) and the fixed plate (61), the lifting driving device (65) drives the movable plate (62) to lift up and down along the upper and lower guide mechanism (9), the top of the upper machine head (3) is connected with the movable plate (62) through an upper rotating shaft (31) and an upper plane bearing (32), the upper plane bearing (32) is coaxially fixed on the movable plate (62) through a shaft hole, the upper rotating shaft (31) and an inner ring of the upper plane bearing (32) are fixedly connected to fix the upper machine head (3) on the movable plate (62) and can freely rotate, the upper part of the upper rotating shaft (31) penetrates through the shaft hole and the inner ring of the upper synchronous pulley (71), the upper rotating shaft (31) is a spline shaft with a spline shaft arranged on the outer wall, the inner ring of the upper synchronous pulley (71) is provided with a spline, the upper rotating shaft (31) can move relative to the upper synchronous pulley (71) and the lower rotating shaft (1) is axially fixed on the lower synchronous pulley (71), and the lower rotating shaft (1) is further provided with a lower synchronous pulley (72); the connecting seat (21) is internally provided with a rotating motor (7), an output shaft of the rotating motor (7) is connected with a driving belt pulley or is connected with the driving belt pulley through a connecting shaft, the driving belt pulley comprises an upper driving belt pulley (73) and a lower driving belt pulley (74), the upper driving belt pulley (73) is connected with the upper synchronous belt pulley (71) through an upper synchronous belt (75), and the lower driving belt pulley (74) is connected with the lower synchronous belt pulley (72) through a lower synchronous belt (76).
2. A template sewing machine with a freely rotatable and liftable head as claimed in claim 1, wherein: and a synchronous belt tensioning mechanism (8) is further arranged in the frame (1) and the cantilever arm (22), and the upper synchronous belt and the lower synchronous belt pass through the synchronous belt tensioning mechanism (8).
3. A template sewing machine with a freely rotatable and liftable head as claimed in claim 2, wherein: the synchronous belt tensioning mechanism (8) comprises a base (81) and two rollers (82), the two rollers (82) are pivoted on the base (81), the upper synchronous belt and the lower synchronous belt pass through the space between the two rollers (82), and the base (81) is rotatably fixed on the frame (1) and the cantilever arm (22).
4. A template sewing machine with a freely rotatable and liftable head as claimed in claim 3, wherein: at least two rotary guide grooves (83) are formed in the base (81), and the positioning screw rod penetrates through the rotary guide grooves (83) to fix the base on the frame (1) and the cantilever arm (22).
5. A template sewing machine with a freely rotatable and liftable head as claimed in claim 1, wherein: the number of teeth of the upper and lower synchronous pulleys is greater than that of the upper and lower driving pulleys.
6. A template sewing machine with a freely rotatable and liftable head as claimed in claim 1, wherein: the upper end part of the upper rotating shaft (31) and the lower end part of the lower rotating shaft are respectively sleeved with a conductive slip ring (85), and the conductive slip rings (85) are used for supplying power to and sending instructions to the driving motors on the upper machine head and the bottom line mechanism.
7. A template sewing machine with a freely rotatable and liftable head as claimed in claim 1, wherein: the upper and lower guide mechanism (9) comprises a guide rail (91) and a slide block (92), the guide rail (91) is longitudinally arranged and distributed on two sides of the fixed seat (63), and the slide block (92) is fixed on the inner side of the movable plate (62) and matched with the guide rail; the lifting driving device (65) is a lifting cylinder, the lifting cylinder is fixedly connected to the fixed plate (61), and the lifting cylinder driving rod is fixedly connected with the movable plate (62).
8. A template sewing machine with a freely rotatable and liftable head as claimed in claim 7, wherein: the movable plate (62) comprises an upper guide seat (66) and a lower guide seat (67), the upper guide seat (66) and the lower guide seat (67) are respectively positioned above and below the fixed seat (63), the upper plane bearing (32) is arranged on the lower guide seat (67), a through hole coaxial with the shaft hole is formed in the upper guide seat, a guide sleeve or an axial bearing is arranged in the through hole, and the upper part of the upper rotating shaft (31) penetrates through the guide sleeve or the axial bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328130.8A CN107938193B (en) | 2017-12-13 | 2017-12-13 | Template sewing machine with freely rotatable and liftable machine head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328130.8A CN107938193B (en) | 2017-12-13 | 2017-12-13 | Template sewing machine with freely rotatable and liftable machine head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107938193A CN107938193A (en) | 2018-04-20 |
| CN107938193B true CN107938193B (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711328130.8A Active CN107938193B (en) | 2017-12-13 | 2017-12-13 | Template sewing machine with freely rotatable and liftable machine head |
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| Country | Link |
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| CN (1) | CN107938193B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791895A (en) * | 2018-08-03 | 2020-02-14 | 拓卡奔马机电科技有限公司 | Lower section mechanism of template machine |
| CN109629138A (en) * | 2019-01-30 | 2019-04-16 | 拓卡奔马机电科技有限公司 | The upper head system of sewing machine |
| CN109629133A (en) * | 2019-01-30 | 2019-04-16 | 拓卡奔马机电科技有限公司 | The upper head system of sewing machine |
| CN109943984B (en) * | 2019-05-09 | 2024-04-09 | 浙江耐拓机电科技有限公司 | Template sewing machine |
| CN109989192B (en) * | 2019-05-09 | 2024-04-09 | 浙江耐拓机电科技有限公司 | Template sewing machine |
| CN114032645B (en) * | 2021-11-11 | 2023-01-03 | 浙江川田智能科技有限公司 | Template sewing machine with rotary lifting type machine head and control method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07275537A (en) * | 1994-04-13 | 1995-10-24 | Aisin Seiki Co Ltd | Sewing machine head drive mechanism |
| CN103981638B (en) * | 2014-05-13 | 2015-10-28 | 诸暨锦和缝制机械有限公司 | The rotary drive sewing machine of semi-girder |
| CN105401351A (en) * | 2014-09-12 | 2016-03-16 | 天津宝盈电脑机械有限公司 | Sewing synchronization mechanism of full-automatic elevating machine head template sewing machine |
| CN205011986U (en) * | 2015-08-06 | 2016-02-03 | 浙江川田缝纫机有限公司 | Sewing machine's pruning cutters |
| CN105887344A (en) * | 2016-04-11 | 2016-08-24 | 浙江川田缝纫机有限公司 | Intelligent template sewing machine |
| CN107447375A (en) * | 2017-08-14 | 2017-12-08 | 阮积康 | The template sewing machine that a kind of upper and lower sewing mechanism can rotate automatically |
| CN207582086U (en) * | 2017-12-13 | 2018-07-06 | 阮积康 | The template sewing machine that a kind of head is freely rotatable and lifts |
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2017
- 2017-12-13 CN CN201711328130.8A patent/CN107938193B/en active Active
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| CN107938193A (en) | 2018-04-20 |
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Effective date of registration: 20230630 Address after: 318000 No. 2077, Juying Road, Taizhou bay new area, Taizhou City, Zhejiang Province Applicant after: Zhejiang chuantian Intelligent Technology Co.,Ltd. Address before: 318000 Chen Zhenyong village, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: Ruan Jikang |
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