CN2832864Y - Main shaft position sensor dedicated for sewing machine - Google Patents
Main shaft position sensor dedicated for sewing machine Download PDFInfo
- Publication number
- CN2832864Y CN2832864Y CN 200520045109 CN200520045109U CN2832864Y CN 2832864 Y CN2832864 Y CN 2832864Y CN 200520045109 CN200520045109 CN 200520045109 CN 200520045109 U CN200520045109 U CN 200520045109U CN 2832864 Y CN2832864 Y CN 2832864Y
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- China
- Prior art keywords
- main shaft
- circuit board
- installed surface
- disc
- sensor
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- Expired - Lifetime
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Abstract
The utility model relates to a main shaft position sensor dedicated for a sewing machine, which comprises a stationary assembly and a rotary assembly, wherein the stationary assembly is provided with an outer shell body of the sensor, and a circuit board, and the rotary assembly is provided with a plastic mounting disk, the mounting surface of which can be close to the mounting surface of the circuit board. The circuit board is provided with two hall devices which induce signals of opposite magnetic poles, and the mounting disk is provided with two magnetic blocks of which the magnetic poles face different directions. The rotation of a hand wheel is matched, and signals which detect the absolute position of a main shaft of a sewing machine are provided. The mounting surface of the circuit board is also provided with a reflection-type optical coupling device and an amplifier which is connected with the coupling device, and the plastic disk is also pasted with a reflecting code disk. The rotation of the hand wheel is matched, ENC signals which detect the relative position and the rotational speed of the main shaft are provided. The utility model has the advantages of high precision, small size, no contact, large adjustable distance ranges, strong anti-interference ability, large temperature ranges, etc. The main shaft position sensor dedicated for a sewing machine can be used on the occasions where the accurate position control is needed, such as machinery, spinning industry, chemical industry, etc.
Description
Technical field
The utility model relates to the special-purpose main spindle's sensor of a kind of Sewing machines, is specially adapted to the pinpoint displacement control devices of needs such as industrial sewing machine.
Background technology
At present, common position sensor, Hall element, photoelectric sensor, all can not be used for calculating simultaneously the speed of absolute position, relative position (angle) and main axis rotation of main axis rotation, use general position sensor or Hall element can only calculate the absolute position of machine spindle, use photoelectric sensor that the ENC signal can only be provided, calculate the relative position (angle) of main shaft and the speed of main axis rotation.Therefore, accurate simultaneously location, the position (angle) of calculating main axis rotation and the occasion of speed just to bring very big trouble.
Summary of the invention
As mentioned above, how to realize simultaneously machine spindle accurately being located, calculate main shaft relative position (angle) and rotary speed, it is technical problem to be solved in the utility model, therefore, the purpose of this utility model is to provide a kind of machine spindle position sensor of signal of absolute position, relative position (angle) and the main axis rotation speed that can provide main shaft simultaneously.
The technical solution of the utility model is as follows:
According to a kind of machine spindle position sensor of the present utility model, comprise stationary components and runner assembly, this stationary components mainly contains outer sensor housing and is positioned at its inner circuit board, this shell body is fixed on the head end place of the shell connection main shaft of Sewing machines, this circuit board is fixed in the sidewall of outer sensor housing, and has perpendicular to main shaft and towards the installed surface of the end of main shaft; This runner assembly mainly contains the plastic mounting dish, and it is fixed on the Sewing machines handwheel and the axis hole that matches is arranged, and this axis hole is inserted main shaft and removable, makes the installed surface of mounting disc can be near the installed surface of circuit board; Installing polarity on the installed surface of this circuit board towards opposite two hall devices and on the installed surface of plastic mounting dish two polarity of installing towards different magnetic patch, and when the Sewing machines handwheel rotates, can be corresponding magnetic field connect and form two magnetic induction return circuit, the machine spindle absolute position signal is provided; Also on the installed surface of circuit board, install a reflective type photocoupler spare and the amplifier that is connected this coupled apparatus, and on the installed surface of vinyl disc, paste a reflective code-disc again, form a photoelectricity coupling circuit between them, the relative position of detection main shaft and the ENC signal of rotary speed are provided.
The magnetic induction distance of described magnetic patch and hall device is 3mm ± 1mm, and this reflective code-disc is one the 72 reflective code-disc of line grating; The reflective code-disc of described 72 line gratings is the circular ring type structure; More particularly, the photoinduction of reflective code-disc and reflective type photocoupler distance is 2mm ± 1mm.
Compared with the prior art the utility model has advantages such as circuit reduction, simple for assembly process, properties of product are reliable more, response is fast, operating frequency is high, with low cost.
Description of drawings
Fig. 1 is a perspective exploded view of the present utility model;
Fig. 2 is the shell body schematic diagram of sensor stationary components of the present utility model;
Fig. 3 is circuit theory diagrams of the present utility model;
Fig. 4 is the plastic mounting dish schematic diagram in the rotary components of the present utility model;
Fig. 5 is the plastic mounting dish schematic diagram of paste going up in the utility model behind grating and the magnet steel.
The specific embodiment
Provide preferred embodiment of the utility model according to Fig. 1～Fig. 5 below, and described in detail, purpose is to enable architectural feature of the present utility model and functional characteristics are described better, rather than is used for limiting scope of the present utility model.
Now see also Fig. 1.As shown in the figure, the sensor in the present embodiment structurally is divided into two groups, and wherein one group is stationary components 2, and this assembly 2 is contained in the shell 10 contiguous main shafts 11 head end places of sewing machine head 1; Another group is runner assembly 3, and this assembly 3 is contained on the Sewing machines handwheel 12, rotates synchronously with machine spindle 11.
Now see also Fig. 1, Fig. 2 and Fig. 3.Stationary components 2 comprises circuit board 21 and coats the outer sensor housing 20 of this circuit board 21.Be equiped with two hall device Q that installation direction is opposite on this circuit board 21
1, Q
2(referring to Fig. 3), output hall signal, the absolute position that is used for calculating main shaft 11, the promptly upper and lower pin position of stopping; One reflective type photocoupler spare Q is set
3With connected amplifier Q
4(referring to Fig. 3), output ENC signal accurately calculates the relative position (angle) of main shaft 11 rotations and the rotary speed of main shaft 11.As shown in Figure 2, hall signal output line and ENC output line, pass near two through holes 24 on shell 10 sides of sewing machine head 1 from outer sensor housing 20 from circuit board 21, shell body 20 is provided with two screw fixed holes 23, shell body 20 is fixed on the shell 10 of sewing machine head 1 by two M3 screws; 21 of circuit boards are installed on the another side (side that promptly deviates from the shell 10 of head 1) of sensor housing 20.Because of LMDS Light Coupled Device has protuberance, in order to be fit to that circuit board 21 is contained on the sidewall of shell body 20, so on this sidewall, also be provided with a mating holes that is complementary 22 with reflective type photocoupler.
Now see also Fig. 1, Fig. 4 and Fig. 5.Runner assembly 3 comprises plastic mounting dish 30, be installed in opposite magnet steel 31 and the 72 linear light grating rings 32 of two magnetic polarities in this mounting disc 30, be embedded with two M4 nuts 302 on this plastic mounting dish 30, its position is just in time corresponding with intrinsic one group of fixing hole on the Sewing machines handwheel 12, can fastening M4 screw, the center of mounting disc 30 simultaneously is provided with an axis hole 300, and it matches with the hub external diameter of Sewing machines handwheel 12, and the two matches and makes mounting disc 30 and handwheel 12 concentric rotations.Mounting disc 30 on the side of circuit board 21, also be provided with two concave stations 301 that are used for sticking embedding magnet steel 31, these two blocks of magnet steel 31 are rounded, respectively with the S utmost point and the N utmost point over against being installed on the concave station 301, the reflective code-disc 32 of moulding 72 line gratings then dress is attached on these two magnet steel 31, also promptly sticking on grating pastes on the face 303, this 72 line grating is a loop configuration, when handwheel 12 is in place by the installation requirement of Sewing machines, the distance of the photosurface of the LMDS Light Coupled Device of the reflective surface that is installed in 72 line gratings on the plastic mounting dish 30 on the handwheel 12 on the circuit board 21 that is positioned at sewing machine head 1 place is 2mm ± 1mm, and the distance towards the magnetic induction face of the magnetic pole strength of hall device and hall device of magnet steel is 3mm ± 1mm.It is circular ring type structures that 72 line gratings also are shown among Fig. 5.
Claims (5)
1, the special-purpose main spindle's sensor of a kind of Sewing machines, the runner assembly (3) that comprises stationary components (2) and relative this stationary components (2) rotation, this stationary components (2) mainly contains outer sensor housing (20) and is positioned at its inner circuit board (21), the shell (10) that this shell body (20) is fixed on sewing machine head (1) connects the head end place of main shaft (11), and this circuit board (21) is fixed in the sidewall of shell body (20) and has one perpendicular to main shaft (11) and towards the installed surface of the end of main shaft (11); This runner assembly (3) mainly contains plastic mounting dish (30), it is fixed on the Sewing machines handwheel (12) and the axis hole (300) that matches is arranged, axis hole (300) is inserted main shaft (11) and removable, makes the installed surface (300) of mounting disc (30) can be near the installed surface of circuit board (21);
Two polarity of installing are towards different magnetic patch towards opposite two hall devices with on the installed surface of plastic mounting dish (30) in installing polarity on the installed surface of this circuit board (21), and the rotation of fly (12) provides the absolute position signal that detects machine spindle; It is characterized in that, also on the installed surface of circuit board (21), install a reflective type photocoupler spare and the amplifier that is connected this coupled apparatus, and on the installed surface of plastic mounting dish (30), paste a reflective code-disc again, the rotation of fly (12), form a photoelectricity coupling circuit between them, the relative position of detection main shaft and the ENC signal of rotary speed are provided.
2, the special-purpose main spindle's sensor of Sewing machines according to claim 1 is characterized in that, the magnetic induction distance of described magnetic patch and hall device is 3mm ± 1mm.
3, the special-purpose main spindle's sensor of Sewing machines according to claim 1 is characterized in that this reflective code-disc is one the 72 reflective code-disc of line grating.
4, the special-purpose main spindle's sensor of Sewing machines according to claim 3 is characterized in that described reflective code-disc is the circular ring type structure.
According to the special-purpose main spindle's sensor of the described Sewing machines of each claim in the claim 1～4, it is characterized in that 5, the photoinduction distance of reflective code-disc and reflective type photocoupler is 2mm ± 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520045109 CN2832864Y (en) | 2005-09-19 | 2005-09-19 | Main shaft position sensor dedicated for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520045109 CN2832864Y (en) | 2005-09-19 | 2005-09-19 | Main shaft position sensor dedicated for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2832864Y true CN2832864Y (en) | 2006-11-01 |
Family
ID=37197177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520045109 Expired - Lifetime CN2832864Y (en) | 2005-09-19 | 2005-09-19 | Main shaft position sensor dedicated for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2832864Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088356A (en) * | 2016-11-23 | 2018-05-29 | 康达洲际医疗器械（宁波）有限公司 | A kind of new medical X-ray machine vibrations filter line device position sensor |
| CN109487414A (en) * | 2018-11-28 | 2019-03-19 | 中国纺织科学研究院有限公司 | A kind of rotational positioning system for three-dimensional automatic braiding apparatus |
| CN110409065A (en) * | 2019-08-22 | 2019-11-05 | 上海鲍麦克斯电子科技有限公司 | A kind of industrial sewing machine control system and method |
-
2005
- 2005-09-19 CN CN 200520045109 patent/CN2832864Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088356A (en) * | 2016-11-23 | 2018-05-29 | 康达洲际医疗器械（宁波）有限公司 | A kind of new medical X-ray machine vibrations filter line device position sensor |
| CN109487414A (en) * | 2018-11-28 | 2019-03-19 | 中国纺织科学研究院有限公司 | A kind of rotational positioning system for three-dimensional automatic braiding apparatus |
| CN110409065A (en) * | 2019-08-22 | 2019-11-05 | 上海鲍麦克斯电子科技有限公司 | A kind of industrial sewing machine control system and method |
| CN110409065B (en) * | 2019-08-22 | 2021-08-31 | 上海鲍麦克斯电子科技有限公司 | Industrial sewing machine control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061101 |
|
| EXPY | Termination of patent right or utility model |