CN204058892U - A kind of Sewing machines automatic pressure-transforming pin mechanism - Google Patents
A kind of Sewing machines automatic pressure-transforming pin mechanism Download PDFInfo
- Publication number
- CN204058892U CN204058892U CN201420445514.3U CN201420445514U CN204058892U CN 204058892 U CN204058892 U CN 204058892U CN 201420445514 U CN201420445514 U CN 201420445514U CN 204058892 U CN204058892 U CN 204058892U
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- China
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- presser feet
- motor
- hinged
- free end
- connecting rod
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Abstract
The utility model relates to a kind of Sewing machines automatic pressure-transforming pin mechanism, comprises presser feet height adjustment assembly, presser feet stroke adjustment assembly; The output shaft of the first motor of height adjusting mechanism of presser foot is connected with the first power transmission shaft, and fork crooked position is provided with and is fixedly hinged a little; Fixed bar has stiff end and free end, stiff end and sewing-machine equipment hinged fixing, free end can rotate around stiff end, and fork props up fixed bar bottom, drives fixed bar to rotate around stiff end, regulates the upper-lower position of free end; The output shaft of the second motor of presser feet stroke adjustment assembly is connected with second driving shaft, second motor rotates, driven by second driving shaft, link assembly and adjust machine, drive connecting plate to do oscillating motion around the free end of fixed bar, regulate the height of third connecting rod and presser feet; The top of depression bar is provided with saddle and back-moving spring, and back-moving spring applies pressure downwards and keeps presser feet up and down without beating.The automation that the utility model achieves presser feet height regulates, and structure is simple.
Description
Technical field
The utility model relates to a kind of Sewing machines automatic pressure-transforming pin mechanism, belongs to sewing machine technique field.
Background technology
Along with the raising of making industrial level, common industrial sewing machine can not meet the demand of existing market, seam quality does not reach the satisfaction of client, stitching obviously affects client's aesthetic conceptions, same sewing exists fabric thickness when differing, common sewing-machine foot height is fixing, can not good compress, causes that broken string, flotation line, bouncing pilotage etc. are bad makes effect.
Also more advanced industrial sewing machine is had can to regulate presser feet height, or the height of presser feet in adopting the mode of manual adjustments to regulate, very inconvenient; Or structure is very complicated, control very complicated, with high costs, regulating effect is not good yet yet.
Summary of the invention
The utility model needs: existing Sewing machines, when regulating presser feet height, or takes manual adjustments, very inconvenient, or structure is very complicated, controls also very complicated, causes with high costs, and regulating effect is not good yet simultaneously.
The utility model takes following technical scheme:
A kind of Sewing machines automatic pressure-transforming pin mechanism, comprises presser feet height adjustment assembly, presser feet stroke adjustment assembly; Described height adjusting mechanism of presser foot comprises the first motor 23, the output shaft of described motor is connected with the first power transmission shaft 17, described first power transmission shaft 17 is connected with crank 1, crank 1 is hinged with first connecting rod 2, connecting rod 2 is hinged with fork 3, fork 3 is curved bar, and its crooked position is provided with a C that is fixedly hinged; Fixed bar 9 has stiff end and free end B, stiff end and sewing-machine equipment hinged fixing, free end B can rotate around stiff end, and fork 3 props up fixed bar 9 bottom, drives fixed bar 9 to rotate around stiff end, regulates the upper-lower position of free end B; Described presser feet stroke adjustment assembly comprises the second motor 22, the output shaft of described second motor 22 is connected with second driving shaft 21, second driving shaft 21 is connected with link assembly 18, link assembly 18 is connected with adjuster 13, adjuster 13 is hinged with second connecting rod 11, second connecting rod 11 and connecting plate 10 upper end thereof, connecting plate 10 is bool, the free end B of its crooked position and fixed bar 9 is hinged, connecting plate 10 lower end and third connecting rod 8 hinged, third connecting rod 8 is hinged with depression bar 6, and depression bar 6 bottom is connected with presser feet 7; Second motor 22 rotates, and by second driving shaft 21, link assembly 18 driving regulator 13, drives connecting plate 10 to do oscillating motion around the free end B of fixed bar 9, regulates the height of third connecting rod 8 and presser feet 7; The top of depression bar 6 is provided with saddle 4 and back-moving spring 25, and back-moving spring 25 applies pressure downwards and keeps presser feet about 7 without beating.
The feature of the technical program is: adopt first, second motor as power source, in two steps the adjustment of presser feet height and presser feet stroke adjustment are carried out to the height of presser feet, and actually providing concrete driving member and connecting mode thereof, the automation achieving the high-precision large-range of presser feet height regulates.Transmission mechanism of the present utility model, parts coordinate succinct, and structure is simple, and presser feet height is easy to adjust.
Further, the up-down adjustment scope of described presser feet 7 is 0-7mm.
Further, first, second motor described is stepper motor.
Further, described first power transmission shaft 17, second driving shaft 21 are parallel to each other, and all perpendicular with depression bar 6.
The beneficial effects of the utility model are:
1) can by presser feet height in electric control operation panel free setting, without the need to manual adjustment;
2) same style make in process, different according to the thickness of fabric, can presser feet height in free setting, reach desirable compress effect, avoid the bad effects of making such as broken string, flotation line, bouncing pilotage, meet sewing performance requirement;
3) adjustable range is large, and degree of regulation is high.
4) motor is adopted automatically to regulate as power source, and transmission mechanism, parts coordinate succinct, and structure is simple, and presser feet height is easy to adjust.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model Sewing machines automatic pressure-transforming pin mechanism.
Fig. 2 is the utility model Sewing machines automatic pressure-transforming pin mechanism front schematic view.
In figure: 1 crank, 2 first connecting rods, 3 forks, 4 saddles, 5 second connecting plates, 6 depression bars, 7 presser feets, 8 third connecting rods, 9 fixed bars, 10 connecting plates, 11 second connecting rods, 12 connectors, 13 adjusters, 14 gears, 15 gears, 16 cams, 17 first power transmission shafts, 18 link assemblies, 19 sensing chips, 20 inductors, 21 second driving shafts, 22 second motor, 23 first motor, 24 power transmission shafts, 25 back-moving springs.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
See Fig. 1-2, a kind of Sewing machines automatic pressure-transforming pin mechanism, comprises presser feet height adjustment assembly, presser feet stroke adjustment assembly; Described height adjusting mechanism of presser foot comprises the first motor 23, the output shaft of described motor is connected with the first power transmission shaft 17, described first power transmission shaft 17 is connected with crank 1, crank 1 is hinged with first connecting rod 2, connecting rod 2 is hinged with fork 3, fork 3 is curved bar, and its crooked position is provided with a C that is fixedly hinged; Fixed bar 9 has stiff end and free end B, stiff end and sewing-machine equipment hinged fixing, free end B can rotate around stiff end, and fork 3 props up fixed bar 9 bottom, drives fixed bar 9 to rotate around stiff end, regulates the upper-lower position of free end B; Described presser feet stroke adjustment assembly comprises the second motor 22, the output shaft of described second motor 22 is connected with second driving shaft 21, second driving shaft 21 is connected with link assembly 18, link assembly 18 is connected with adjuster 13, adjuster 13 is hinged with second connecting rod 11, second connecting rod 11 and connecting plate 10 upper end thereof, connecting plate 10 is bool, the free end B of its crooked position and fixed bar 9 is hinged, connecting plate 10 lower end and third connecting rod 8 hinged, third connecting rod 8 is hinged with depression bar 6, and depression bar 6 bottom is connected with presser feet 7; Second motor 22 rotates, and by second driving shaft 21, link assembly 18 driving regulator 13, drives connecting plate 10 to do oscillating motion around the free end B of fixed bar 9, regulates the height of third connecting rod 8 and presser feet 7; The top of depression bar 6 is provided with saddle 4 and back-moving spring 25, and back-moving spring 25 applies pressure downwards and keeps presser feet about 7 without beating.
The up-down adjustment scope of described presser feet 7 is 0-7mm.
First, second motor described is stepper motor.
Described first power transmission shaft 17, second driving shaft 21 are parallel to each other, and all perpendicular with depression bar 6.
According to presser feet height in the requirement free setting of fabric different-thickness, desirable compress effect can be reached, meets sewing performance requirement making in process of same style simultaneously.
The utility model adopts first, second motor as power source, in two steps the adjustment of presser feet height and presser feet stroke adjustment are carried out to the height of presser feet, and actually providing concrete driving member and connecting mode thereof, the automation achieving the high-precision large-range of presser feet height regulates.Transmission mechanism of the present utility model, parts coordinate succinct, and structure is simple, and presser feet height is easy to adjust.
The utility model reaches following object: can by presser feet height in electric control operation panel free setting, without the need to manual adjustment; Same style make in process, different according to the thickness of fabric, can presser feet height in free setting, reach desirable compress effect, avoid the bad effects of making such as broken string, flotation line, bouncing pilotage, meet sewing performance requirement.
Compared with prior art there is structure simpler, adjust easier, the advantages such as cost is cheaper.
Claims (4)
1. a Sewing machines automatic pressure-transforming pin mechanism, is characterized in that:
Comprise presser feet height adjustment assembly, presser feet stroke adjustment assembly;
Described height adjusting mechanism of presser foot comprises the first motor (23), the output shaft of described motor is connected with the first power transmission shaft (17), described first power transmission shaft (17) is connected with crank (1), crank (1) is hinged with first connecting rod (2), connecting rod (2) is hinged with fork (3), fork (3) is curved bar, and its crooked position is provided with the point (C) that is fixedly hinged; Fixed bar (9) has stiff end and free end (B), stiff end and sewing-machine equipment hinged fixing, free end (B) can rotate around stiff end, fork (3) props up fixed bar (9) bottom, drive fixed bar (9) to rotate around stiff end, regulate the upper-lower position of free end (B);
Described presser feet stroke adjustment assembly comprises the second motor (22), the output shaft of described second motor (22) is connected with second driving shaft (21), second driving shaft (21) is connected with link assembly (18), link assembly (18) is connected with adjuster (13), adjuster (13) is hinged with second connecting rod (11), second connecting rod (11) and connecting plate (10) upper end thereof, connecting plate (10) is bool, the free end (B) of its crooked position and fixed bar (9) is hinged, connecting plate (10) lower end and third connecting rod (8) hinged, third connecting rod (8) is hinged with depression bar (6), depression bar (6) bottom is connected with presser feet (7), second motor (22) rotates, by second driving shaft (21), link assembly (18) driving regulator (13), drive connecting plate (10) free end (B) around fixed bar (9) to do oscillating motion, regulate the height of third connecting rod (8) and presser feet (7),
The top of depression bar (6) is provided with saddle (4) and back-moving spring (25), and back-moving spring (25) applies pressure downwards and keeps presser feet (7) up and down without beating.
2. Sewing machines automatic pressure-transforming pin mechanism as claimed in claim 1, is characterized in that: the up-down adjustment scope of described presser feet (7) is 0-7mm.
3. Sewing machines automatic pressure-transforming pin mechanism as claimed in claim 1, is characterized in that: first, second motor described is stepper motor.
4. Sewing machines automatic pressure-transforming pin mechanism as claimed in claim 1, is characterized in that: described first power transmission shaft (17), second driving shaft (21) are parallel to each other, and all perpendicular with depression bar (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445514.3U CN204058892U (en) | 2014-08-08 | 2014-08-08 | A kind of Sewing machines automatic pressure-transforming pin mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445514.3U CN204058892U (en) | 2014-08-08 | 2014-08-08 | A kind of Sewing machines automatic pressure-transforming pin mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204058892U true CN204058892U (en) | 2014-12-31 |
Family
ID=52200442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420445514.3U Withdrawn - After Issue CN204058892U (en) | 2014-08-08 | 2014-08-08 | A kind of Sewing machines automatic pressure-transforming pin mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204058892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131420A (en) * | 2014-08-08 | 2014-11-05 | 上海富山精密机械科技有限公司 | Automatic variable presser foot mechanism of sewing machine |
-
2014
- 2014-08-08 CN CN201420445514.3U patent/CN204058892U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131420A (en) * | 2014-08-08 | 2014-11-05 | 上海富山精密机械科技有限公司 | Automatic variable presser foot mechanism of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |