CN111118761A - Control mechanism for synchronous electric control signal of machine head and rotating shuttle - Google Patents
Control mechanism for synchronous electric control signal of machine head and rotating shuttle Download PDFInfo
- Publication number
- CN111118761A CN111118761A CN201811293351.0A CN201811293351A CN111118761A CN 111118761 A CN111118761 A CN 111118761A CN 201811293351 A CN201811293351 A CN 201811293351A CN 111118761 A CN111118761 A CN 111118761A
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- photoelectric switch
- machine head
- photoelectric
- switch
- mounting seat
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 30
- 230000011664 signaling Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 description 9
- 238000009958 sewing Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/22—Devices for stopping drive when sewing tools have reached a predetermined position
- D05B69/24—Applications of devices for indicating or ascertaining sewing-tool position
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a synchronous electric control signal control mechanism for a machine head and a rotating shuttle, which comprises an upper machine head main shaft, a photoelectric signal wheel I, a photoelectric switch II, a driving motor output shaft, a synchronous belt wheel, a photoelectric signal wheel II, a photoelectric switch I, a photoelectric switch II, a mounting seat I, a mounting seat II, an upper machine head, a switch mounting seat, a needle rod, a rotating shuttle, a shuttle tip and a machine needle, wherein the photoelectric switch I and the photoelectric switch II are distributed and mounted on a revolving plane of the photoelectric signal wheel I, the distribution angle between the photoelectric switch I and the photoelectric switch II is α 1, the photoelectric switch I and the photoelectric switch II are distributed and mounted on a revolving plane of the photoelectric signal wheel II, and the distribution angle between the photoelectric switch I and the photoelectric switch II is α 2.
Description
Technical Field
The invention relates to the technical field of industrial full-automatic sewing machines, in particular to a control mechanism for synchronizing an electric control signal of a machine head and a rotating shuttle.
Background
In a full-automatic industrial sewing machine, an upper machine head main shaft and a lower machine head (rotating shuttle box) main shaft are independently driven by two motors, and synchronous motion must be achieved during working, namely: and synchronously starting and running and synchronously stopping. According to the conventional technology, two independent photoelectric signal wheels and photoelectric switches are respectively mounted on the driving shafts of the upper machine head main shaft and the lower machine head, and each signal wheel corresponds to one photoelectric switch to control the parking space of the machine head main shaft and the needle shuttle synchronous position of the machine needle and the rotating shuttle. Because the two photoelectric signal wheels on each main shaft are independent and have no constraint relation with each other, the installation angle position of the photoelectric signal wheel for controlling the parking angle of the machine head main shaft is completely mastered by the working experience of an assembling worker, the installation randomness is very large, the accurate parking angle position of the machine head main shaft cannot be ensured, and the two photoelectric signal wheels are installed on the main shaft, the axial occupied space is large, and the description refers to the figures 3 and 4.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a synchronous electric control signal control mechanism for a machine head and a rotating shuttle, which changes two photoelectric signal wheels on an upper machine head main shaft and a lower machine head main shaft into one photoelectric signal wheel respectively, thereby reducing the axial occupation space of the photoelectric signal wheels on the main shafts and enabling the structure of the machine to be more compact.
The purpose of the invention is realized by the following technical scheme:
a synchronous electric control signal control mechanism of a machine head and a rotating shuttle comprises: the device comprises an upper machine head main shaft, a photoelectric signal wheel I, a photoelectric switch II, a driving motor output shaft, a synchronous belt pulley, a photoelectric signal wheel II, a photoelectric switch I, a photoelectric switch II, a mounting seat I, a mounting seat II, an upper machine head, a switch mounting seat, a needle rod, a rotating shuttle, a shuttle point and a machine needle.
Fig. 3 and 4 are schematic structural views of a head and a rotating shuttle of a conventional sewing machine, and the technical scheme of the invention is shown in fig. 1 and 2:
1. two photoelectric signal wheels on the upper machine head main shaft and the lower machine head main shaft are respectively changed into one photoelectric signal wheel, so that the axial occupied space of the photoelectric signal wheels on the main shafts is reduced, and the structure of the machine becomes more compact.
2. Installing a first photoelectric switch, a second photoelectric switch and a first photoelectric switch and a second photoelectric switch of an upper machine head on a preset position which is designed in advance on a rotation plane of a photoelectric signal wheel of each machine head respectively, wherein the preset positions are as follows:
A. the photoelectric switch of last aircraft nose is the switch that sends a letter on aircraft nose main shaft parking stall, and opening rotation to this moment on the photoelectric signal wheel one, photoelectric switch send out the signal of telecommunication, can make spindle motor stall, this is parking position.
B. The photoelectric switch of the upper machine head is a transmitting switch for synchronizing the needle bar of the upper machine head with the needle shuttle of the rotating shuttle of the lower machine head, when the main shaft of the upper machine head drives the needle bar to rise by a specified height, the notch on the photoelectric signal wheel I rotates to the photoelectric switch II to send an electric signal, at the moment, the shuttle tip of the lower machine head correspondingly rotates to the machine needle, the position is defined as the needle shuttle synchronizing position, and the angle between the photoelectric switch I and the photoelectric switch II is α 1.
3. Corresponding to the upper handpiece, a first photoelectric switch and a second photoelectric switch are mounted at a signal wheel on a motor shaft of the lower handpiece, and the distribution angle between the first photoelectric switch and the second photoelectric switch is α 2= α 1.
The invention has the advantages and beneficial effects that:
1. the occupied space of the electric control device is saved, and the machine structure is more compact.
2. The parking angle position of the main shaft and the needle shuttle synchronous position are as follows: the photoelectric switch I and the photoelectric switch and the installation positions of the photoelectric switch I and the photoelectric switch are preferably determined by designers, the degree of freedom and uncertainty of field installation and adjustment of an assembly worker are limited, and the consistency of machine parameters in mass production is ensured.
3. When the photoelectric elements such as the optical signal wheel and the like are installed and adjusted, only a tool is used for determining a specified lifting height of a needle rod, and when the needle rod is positioned at a needle shuttle synchronous position, the opening of the photoelectric signal wheel on the upper machine head main shaft is rotated to the second photoelectric switch to be fastened on the machine head main shaft; rotating a notch of a signal wheel on a motor shaft of the lower machine head to a second photoelectric switch; then the shuttle point of the rotating shuttle is rotated to the needle, and the rotating shuttle is fastened on the rotating shuttle shaft, so that all installation and adjustment work is completed, the adjustment working hours of workers during installation are greatly reduced, and the assembly work efficiency is improved.
Drawings
FIG. 1 is a front view of a control mechanism for synchronizing an electric control signal between a machine head and a rotating shuttle;
FIG. 2 is a perspective view of a control mechanism for synchronizing an electric control signal between a machine head and a rotating shuttle;
FIG. 3 is an enlarged detail view of A in FIG. 2;
FIG. 4 is a front view of a head and rotating shuttle configuration of a conventional sewing machine;
fig. 5 is a left side view of a head and rotating shuttle structure of a conventional sewing machine.
1. The machine head comprises an upper machine head main shaft 2, a photoelectric signal wheel I3, a photoelectric switch I4, a photoelectric switch II 5, a driving motor output shaft 6, a synchronous belt wheel 7, a photoelectric signal wheel II 8, a photoelectric switch I9, a photoelectric switch II 10, a mounting seat I11, a mounting seat II 12, an upper machine head 13, a switch mounting seat 14, a needle rod 15, a rotating shuttle 16, a shuttle tip 17 and a machine needle.
Detailed Description
For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A synchronous electric control signal control mechanism of a machine head and a rotating shuttle comprises: the machine head comprises an upper machine head main shaft (1), a photoelectric signal wheel I (2), a photoelectric switch I (3), a photoelectric switch II (4), a driving motor output shaft (5), a synchronous belt wheel (6), a photoelectric signal wheel II (7), a photoelectric switch I (8), a photoelectric switch II (9), a mounting seat I (10), a mounting seat II (11), an upper machine head (12), a switch mounting seat (13), a needle rod (14), a rotating shuttle (15), a shuttle tip (16) and a machine needle (17).
The specific technical implementation mode is as follows:
1. a photoelectric signal wheel I (2) is installed on an upper handpiece main shaft (1), a photoelectric switch I (3) and a photoelectric switch II (4) are installed on a rotation plane of the photoelectric signal wheel I (2) in a distributed mode, and the distribution angle between the photoelectric switch I (3) and the photoelectric switch II (4) is α 1.
2. A synchronous belt wheel (6) is installed on an output shaft (5) of a driving motor of the lower handpiece, a photoelectric signal wheel II (7) is fixedly installed on the synchronous belt wheel (6), a photoelectric switch I (8) and a photoelectric switch II (9) are installed on a rotation plane of the photoelectric signal wheel II (7) in a distributed mode, and the distribution angle between the photoelectric switch I (8) and the photoelectric switch II (9) is α 2.
3. The structural design is characterized in that α 2= α 1.
4. The distribution angle α 1 of the first photoelectric switch (3) and the second photoelectric switch (4) of the upper machine head is determined by the prefabricated mounting hole positions on the upper machine head (12) of the first mounting seat (10) of the first photoelectric switch (3) and the second mounting seat (11) of the second photoelectric switch (4).
5. The photoelectric switch I (8) and the photoelectric switch II (9) of the lower handpiece are installed on the switch installation seat (13), and the distribution angle α 2 of the photoelectric switch I (8) and the photoelectric switch II (9) is determined by installation hole positions of the photoelectric switch I (8) and the photoelectric switch II (9) on the switch installation seat (13).
6. When the upper machine head and the lower machine head are synchronously adjusted, firstly, the upper machine head main shaft (1) is rotated to enable the needle rod (14) to rise to a specified height from a bottom dead center (the height is determined by an assembly tool), at the moment, the photoelectric signal wheel I (2) is rotated under the state that the upper machine head main shaft (1) is kept still, a notch on the signal wheel is rotated to the position of the photoelectric switch II (4), an indicator light of the photoelectric switch II (4) is lightened, and then the photoelectric signal wheel I (2) is locked on the upper machine head main shaft (1).
7. Rotating a synchronous pulley (6) on a lower handpiece driving motor (5) under the state of keeping the item 6, rotating a notch on a signal wheel (7) to a second photoelectric switch (9), lighting an indicator light of the second photoelectric switch (9) and keeping the photoelectric switch at the position, then rotating a rotating shuttle (15), rotating a shuttle point (16) of the rotating shuttle to the center of a machine needle (17), and then fastening the rotating shuttle (15) on a rotating shuttle shaft. At the moment, the indicator lights of the photoelectric switch II (4) of the upper machine head and the photoelectric switch II (9) of the lower machine head are simultaneously lightened, and the state is the needle and shuttle synchronous position. Thus, the synchronous adjustment of the upper machine head and the lower machine head is completed.
8. Because the rotating speeds of the upper handpiece driving motor and the lower handpiece driving motor of the machine are the same, when the machine works after the adjustment of the items 6 and 7 is finished and when the opening on the photoelectric signal wheel I (2) of the upper handpiece (12) rotates to the photoelectric switch I (3), the opening on the photoelectric signal wheel (7) of the lower handpiece synchronously rotates to the photoelectric switch I (8), and the position is the parking space of the machine.
When the machine program sends out a stop command, the upper and lower machine heads of the machine can stop at the position, and the above description refers to fig. 1 and 2.
Claims (5)
1. A synchronous electric control signal control mechanism for a machine head and a rotating shuttle comprises an upper machine head main shaft, a photoelectric signal wheel I, a photoelectric switch II, a driving motor output shaft, a synchronous belt wheel, a photoelectric signal wheel II, a photoelectric switch I, a photoelectric switch II, a mounting seat I, a mounting seat II, an upper machine head, a switch mounting seat, a needle rod, a rotating shuttle, a shuttle tip and a machine needle, and is characterized in that the photoelectric signal wheel I is mounted on the upper machine head main shaft, the photoelectric switch I and the photoelectric switch II are mounted on a rotating plane of the photoelectric signal wheel I in a distributed mode, the distribution angle between the photoelectric switch I and the photoelectric switch II is α 1, a synchronous belt wheel is mounted on a driving motor output shaft of a lower machine head, the photoelectric signal wheel II is fixedly mounted on the synchronous belt wheel, the photoelectric switch I and the photoelectric switch II are mounted on a rotating plane of the photoelectric signal wheel II in a distributed mode, the distribution angle between the photoelectric switch I and the photoelectric switch II is α 2, and the structural design is characterized in that α 2 is α 1.
2. The synchronous electric control signal control mechanism of the machine head and the rotating shuttle as claimed in claim 1, wherein the distribution angle α 1 of the first photoelectric switch and the second photoelectric switch of the upper machine head is determined by the mounting holes prefabricated on the upper machine head of the first mounting seat of the photoelectric switch and the second mounting seat of the photoelectric switch.
3. The synchronous electric control signal control mechanism of the machine head and the rotating shuttle as claimed in claim 1, wherein the first photoelectric switch and the second photoelectric switch of the lower machine head are mounted on the switch mounting seat, and the distribution angle α 2 is determined by mounting hole positions of the first photoelectric switch and the second photoelectric switch on the switch mounting seat.
4. The synchronous electric control signal control mechanism for the machine head and the rotating shuttle as claimed in claim 1, wherein a first photoelectric switch and a second photoelectric switch are mounted at the signal wheel on the motor shaft of the lower machine head corresponding to the upper machine head, and the distribution angle between the first photoelectric switch and the second photoelectric switch is α 2 ═ α 1, the first photoelectric switch is a signaling switch of the parking space of the lower machine head, and the second photoelectric switch is a signaling switch of the needle-shuttle synchronous position of the lower machine head.
5. The synchronous electric control signal control mechanism of the machine head and the rotating shuttle as claimed in claim 1, characterized in that: and indicator lights of the photoelectric switch II of the upper machine head and the photoelectric switch II of the lower machine head are simultaneously lightened, and the synchronous adjustment of the upper machine head and the lower machine head is completed when the indicator lights are in the needle shuttle synchronous position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811293351.0A CN111118761A (en) | 2018-11-01 | 2018-11-01 | Control mechanism for synchronous electric control signal of machine head and rotating shuttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811293351.0A CN111118761A (en) | 2018-11-01 | 2018-11-01 | Control mechanism for synchronous electric control signal of machine head and rotating shuttle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111118761A true CN111118761A (en) | 2020-05-08 |
Family
ID=70494703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811293351.0A Withdrawn CN111118761A (en) | 2018-11-01 | 2018-11-01 | Control mechanism for synchronous electric control signal of machine head and rotating shuttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111118761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960055A (en) * | 2021-02-23 | 2022-08-30 | 杰克科技股份有限公司 | Control method of thread hooking mechanism of sewing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09140972A (en) * | 1995-11-20 | 1997-06-03 | Brother Ind Ltd | Sewing machine |
| JPH10146486A (en) * | 1996-11-19 | 1998-06-02 | Brother Ind Ltd | Sewing machine with spindle and rotating hook driven separately |
| US5794554A (en) * | 1995-11-20 | 1998-08-18 | Brother Kogyo Kabushiki Kaisha | Sewing machine with means for synchronizing drive of needle and loop taker motors |
| CN103382629A (en) * | 2012-05-02 | 2013-11-06 | 东莞市嘉龙皮革机械有限公司 | Independent driving and synchronous rotating mechanism of machine head and shuttle race frame |
| CN209211065U (en) * | 2018-11-01 | 2019-08-06 | 上工富怡智能制造(天津)有限公司 | A kind of head automatically controlled signal control mechanism synchronous with rotating shuttle |
-
2018
- 2018-11-01 CN CN201811293351.0A patent/CN111118761A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09140972A (en) * | 1995-11-20 | 1997-06-03 | Brother Ind Ltd | Sewing machine |
| US5791274A (en) * | 1995-11-20 | 1998-08-11 | Brother Kogyo Kabushiki Kaisha | Sewing machine with means for synchronizing drive of needle and loop taker motors |
| US5794554A (en) * | 1995-11-20 | 1998-08-18 | Brother Kogyo Kabushiki Kaisha | Sewing machine with means for synchronizing drive of needle and loop taker motors |
| JPH10146486A (en) * | 1996-11-19 | 1998-06-02 | Brother Ind Ltd | Sewing machine with spindle and rotating hook driven separately |
| CN103382629A (en) * | 2012-05-02 | 2013-11-06 | 东莞市嘉龙皮革机械有限公司 | Independent driving and synchronous rotating mechanism of machine head and shuttle race frame |
| CN209211065U (en) * | 2018-11-01 | 2019-08-06 | 上工富怡智能制造(天津)有限公司 | A kind of head automatically controlled signal control mechanism synchronous with rotating shuttle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960055A (en) * | 2021-02-23 | 2022-08-30 | 杰克科技股份有限公司 | Control method of thread hooking mechanism of sewing machine |
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Application publication date: 20200508 |
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