CN204408115U - A kind of coder structure of work seam motor - Google Patents
A kind of coder structure of work seam motor Download PDFInfo
- Publication number
- CN204408115U CN204408115U CN201520108789.2U CN201520108789U CN204408115U CN 204408115 U CN204408115 U CN 204408115U CN 201520108789 U CN201520108789 U CN 201520108789U CN 204408115 U CN204408115 U CN 204408115U
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- magnet steel
- rotor
- motor
- holder
- magnetic induction
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 74
- 230000006698 induction Effects 0.000 claims abstract description 32
- 230000001360 synchronised effect Effects 0.000 claims abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 11
- 239000000428 dust Substances 0.000 abstract description 9
- 238000009958 sewing Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Abstract
The utility model relates to industrial sewing machine field of structural design, particularly relate to a kind of coder structure of work seam motor, mainly for detection of rotating speed and the rotor-position of work seam motor, this coder structure comprises: rotor, rotor holder, magnet steel, magnet steel holder and magnetic induction components and parts.Wherein, rotor holder is connected to follow described rotor and rotates with rotor; Magnet steel holder is connected with magnet steel with fixing magnet steel; Meanwhile, magnet steel holder is connected with rotor holder again, to realize magnet steel and rotor synchronous rotary.Magnetic induction components and parts are arranged at directly over described magnet steel, to change the rotation variable signal in magnet steel magnetic field into motor encoder signal.The coder structure of this work seam motor adopts magnetic induction Technology design encoder, makes it also can normally work under high pollution height dust atmosphere, solves Traditional photovoltaic encoder and is subject to environment dust pollution and the problem that sends rub-out signal.
Description
Technical field
The utility model relates to industrial sewing machine field of structural design, particularly relates to a kind of coder structure of work seam motor.
Background technology
The driving of industrial sewing machine in recent years more and more adopts permanent-magnet servo motor to carry out drived control, for realizing the accurate control to motor speed and rotor-position, the encoder for detecting rotating speed and rotor-position is all provided with in these work seam motor bonnet inside, traditional work seam motor encoder adopts optical encoder structure mostly, namely optocoupler that is reflective or transmission-type is adopted to carry out code signal detection in conjunction with the mode of coding disk, because work seam motor needs to be used in the environment of clothing factory, dust and fiber contamination larger, after these dusts or filament enter motor rear cover inside by motor rear cover gap, stick on coding disk, when grieshoch runs up to the gap or bright noodles that to a certain degree will shelter from coding disk, optocoupler is caused to send rub-out signal, work seam motor servo-control system is after receiving rub-out signal, speeds control just there will be mistake, have a strong impact on the Automated condtrol of servo-control system to industrial sewing machine.
In addition, photoelectric encoder also has a defect to be exactly that photoelectric coded disk uses very thin material to make mostly, in the transport of these coding disks, assembling, debugging and Replacement procedure, be all vulnerable to damage and pollute, installment and debugging photoelectric encoder also needs some those of skill in the art to operate, and increases manpower and materials cost.
Therefore, the work seam motor coder structure providing a kind of reliability high and simple to operation is needed badly, to overcome the drawback of prior art.
Utility model content
For solving the design defect problem of above-mentioned photoelectric encoder, the utility model provides a kind of coder structure of work seam motor, magnetic induction technology is adopted to replace original photoelectric technology, because the work seam motor encoder of magnetic induction Technology design also can normally work under high pollution height dust atmosphere, solve Traditional photovoltaic encoder and be subject to environment dust pollution and the problem sending rub-out signal.
The utility model solves the problems of the technologies described above adopted technical scheme: the coder structure providing a kind of work seam motor, and its critical piece comprises:
Rotor, rotor holder, magnet steel, magnet steel holder and magnetic induction components and parts;
Described rotor holder is connected to follow described rotor and rotates with described rotor;
Described magnet steel holder is connected with fixing described magnet steel with described magnet steel;
Described magnet steel holder is connected with described rotor holder, to realize described magnet steel and described rotor synchronous rotary;
Wherein, described magnetic induction components and parts are arranged at directly over described magnet steel, and align to place-centric at motor shaft with described magnet steel, to change the rotation variable signal in described magnet steel magnetic field into motor encoder signal.
Preferably, the coder structure of above-mentioned work seam motor also includes encoder circuit plate, and described magnetic induction components and parts are arranged on described encoder circuit plate, and described encoder circuit plate is fixedly mounted on the bonnet of work seam motor.
Preferably, the coder structure of above-mentioned work seam motor also includes motor stator casing, described motor stator casing and described motor rear cover are assembled together, with by above-mentioned parts rotor, rotor holder, magnet steel holder, magnet steel with fit together with the encoder circuit plate of magnetic induction components and parts and motor stator casing and motor rear cover.
The System Working Principle of the coder structure of described work seam motor is: after the assembling of work seam motor gets into smooth, because the magnet steel holder and described rotor holder of fixing described magnet steel link together, and described rotor holder and described rotor synchronous rotary, namely achieve described magnet steel and described rotor synchronous rotary.
Further, again due on described encoder circuit plate with magnetic induction components and parts, and align motor axial location is corresponding in this magnetic induction components and parts center and described magnet steel center, namely described magnetic induction components and parts are positioned at directly over described magnet steel, when described rotor rotates, synchronous rotary followed by described magnet steel, the field signal of alternately change is produced in space, magnetic induction components and parts on described encoder circuit plate can respond to the alternately situation of change in the magnet steel magnetic field rotated together with rotor, form motor encoder signal.
Technique scheme tool has the following advantages or beneficial effect: the utility model adopts magnetic induction Technology design work seam motor encoder, magnetic coder is not afraid of dust and fiber contamination, also can reliably working under high dust atmosphere, and Installation and Debugging and maintain and replace simple to operation, reduce system cost, improve system reliability.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, the utility model and feature, profile and advantage will become more apparent.It should be noted that in accompanying drawing and proportionally do not draw associated components, focus on purport of the present utility model is shown.
Fig. 1 is the explosive view of the coder structure of a kind of work seam motor of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, but not as restriction of the present utility model.
The explosive view of the coder structure of a kind of work seam motor of the utility model is shown in Fig. 1.
As shown in Figure 1, the coder structure of a kind of work seam motor that the utility model provides, its main building block comprises motor stator casing 1, rotor 2, rotor holder 3, magnet steel holder 4, magnet steel 5, encoder circuit plate 6 and motor rear cover 7 and forms, and the concrete connected mode of these parts is as follows:
Rotor holder 3 and rotor 2 are directly connected and fixed, magnet steel 5 and magnet steel holder 3 are directly fixed together, encoder circuit plate 6 and motor rear cover 7 are fixedly installed togather, motor rear cover 7 with encoder circuit plate is assembled together with motor stator casing 1, to be installed with the magnet steel holder 4 of magnet steel, the rotor holder 3 being installed with rotor and motor stator casing 1 by above-mentioned and be assembled together with the motor rear cover 7 of encoder circuit plate.
Wherein, with magnetic field induction components and parts (not shown) on encoder circuit plate 6, these magnetic induction components and parts align to place-centric at motor shaft with magnet steel 5, for the rotation variable signal in magnetic field is transformed into motor speed code signal.
After the assembling of work seam motor gets into smooth, because the magnet steel holder 4 of fixing described magnet steel 5 links together with rotor holder 3, and rotor holder 3 and rotor 2 synchronous rotary, namely achieve magnet steel 5 and rotor 2 synchronous rotary; Again due to described encoder circuit plate 6 having magnetic induction components and parts, and align motor axial location is corresponding in this magnetic induction components and parts center and magnet steel 5 center, namely magnetic induction components and parts are positioned at directly over magnet steel 5, when rotor 2 rotates, synchronous rotary followed by magnet steel, in space, produce the field signal of alternately change, the magnetic field that the magnetic induction components and parts on encoder circuit plate 6 can respond to the magnet steel 5 rotated together with rotor 2 replaces situation of change, forms motor encoder signal.
Be specifically addressed below in conjunction with the coder structure of specific embodiment to a kind of work seam motor that the utility model proposes:
The magnetic coder structure of a kind of work seam motor that the utility model proposes, for detecting rotating speed and the rotor-position of motor, with reference to Fig. 1:
The coder structure critical piece of this work seam motor comprises motor stator casing 1, rotor 2, rotor holder 3, magnet steel holder 4, magnet steel 5, encoder circuit plate 6 and motor rear cover 7, wherein, encoder circuit plate 6 is provided with magnetic induction components and parts (not shown).
As a preferred embodiment, in above-mentioned parts, rotor 2 one end connects rotor holder 3, rotates with fixing also rotor driven holder 3;
Magnet steel holder 4 is in disc, the installation card of its outer is provided with screwed hole, rotor holder 3 is provided with installing hole, through the screwed hole on magnet steel holder 4, magnet steel holder 4 is fixed on rotor holder 3 by bolt, follows rotor holder 3 to make magnet steel holder 4 and rotate;
Magnet steel 5 is fixed on the central recess place of magnet steel holder 4, rotates to follow magnet steel;
Magnetic induction components and parts close on magnet steel 5 and arrange, to change the rotation variable signal in magnet steel 5 magnetic field into motor encoder signal.
Further, magnetic induction components and parts (not shown) is closed on magnet steel 5 and is fixedly installed on encoder circuit plate 6, and aligns with the axial location center of magnet steel 5 at work seam motor.
Further, encoder circuit plate 6 is provided with screwed hole, by screw, encoder circuit plate 6 is fixed on motor rear cover 7.
As a preferred embodiment, in the present embodiment, also include stator (not shown) and motor stator casing 1;
Wherein, rotor 2 is arranged in stator; motor stator casing 1 is socketed stator; motor rear cover 7 and motor stator casing 1 are fixedly installed togather; in stator, rotor 2, rotor holder 3, magnet steel holder 4, magnet steel 5 and the encoder circuit plate 6 with magnetic induction components and parts being coated on, realize the protection to motor.
Concrete, the outer of motor stator casing 1 is provided with installation lug, and the outer of motor rear cover 7 is provided with the groove agreed with the installation lug size of motor stator casing 1, motor rear cover 7 and motor stator casing 1 to be assembled together.
After having assembled, suitable voltage is provided to make it get into smooth to work seam motor, because the magnet steel holder 4 of fixing magnet steel 5 links together with rotor holder 3, and rotor holder 3 and rotor 2 synchronous rotary, therefore achieve magnet steel 5 and rotor 2 synchronous rotary, while magnet steel 5 rotation, space produces the magnetic field of alternately change around.
Further, due to encoder circuit plate 6 having magnetic induction components and parts, and align motor axial location is corresponding in this magnetic induction components and parts center and magnet steel 5 center, namely responding to components and parts is positioned at directly over magnet steel 5, when rotor 2 rotates, synchronous rotary followed by magnet steel 5, the field signal of alternately change is produced in space, magnetic induction components and parts on encoder circuit plate 6 sense that the magnetic field of the magnet steel 5 rotated together with rotor 2 replaces situation of change, and the magnetic field variation signal of magnet steel 5 are become formation motor encoder signal.
When the control system of industrial sewing machine receives above-mentioned motor encoder signal, can control accurately industrial sewing machine.
In sum, the utility model discloses a kind of coder structure of work seam motor, magnetic induction technology is adopted to replace original photoelectric technology, because the work seam motor encoder of magnetic induction Technology design also can normally work under high pollution height dust atmosphere, solve Traditional photovoltaic encoder and be subject to environment dust pollution and the problem sending rub-out signal.
It should be appreciated by those skilled in the art that those skilled in the art can realize various change case in conjunction with prior art and above-described embodiment, such change case does not affect flesh and blood of the present utility model, does not repeat them here.
Above preferred embodiment of the present utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, the equipment wherein do not described in detail to the greatest extent and structure are construed as to be implemented with the common mode in this area; Any those of ordinary skill in the art, do not departing under technical solutions of the utility model ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or being revised as the Equivalent embodiments of equivalent variations, this does not affect flesh and blood of the present utility model.Therefore, every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.
Claims (4)
1. a coder structure for work seam motor, is characterized in that, comprising: rotor, rotor holder, magnet steel, magnet steel holder and magnetic induction components and parts;
Described rotor holder is connected to follow described rotor and rotates with described rotor;
Described magnet steel holder is connected with fixing described magnet steel with described magnet steel;
Described magnet steel holder is connected with described rotor holder, to realize described magnet steel and described rotor synchronous rotary;
Wherein, described magnetic induction components and parts are arranged at directly over described magnet steel, to change the rotation variable signal in described magnet steel magnetic field into motor encoder signal.
2. the coder structure of work seam motor as claimed in claim 1, it is characterized in that, also include encoder circuit plate, described magnetic induction components and parts are arranged on described encoder circuit plate.
3. the coder structure of work seam motor as claimed in claim 2, it is characterized in that, described encoder circuit plate is fixedly mounted on the bonnet of described work seam motor.
4. the coder structure of work seam motor as claimed in claim 3, it is characterized in that, bonnet and the motor stator casing of described work seam motor are fixedly installed togather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108789.2U CN204408115U (en) | 2015-02-13 | 2015-02-13 | A kind of coder structure of work seam motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108789.2U CN204408115U (en) | 2015-02-13 | 2015-02-13 | A kind of coder structure of work seam motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204408115U true CN204408115U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520108789.2U Expired - Fee Related CN204408115U (en) | 2015-02-13 | 2015-02-13 | A kind of coder structure of work seam motor |
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| Country | Link |
|---|---|
| CN (1) | CN204408115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021382A1 (en) * | 2020-07-31 | 2022-02-03 | Siemens Aktiengesellschaft | Motor encoder, motor and method for installing motor encoder |
-
2015
- 2015-02-13 CN CN201520108789.2U patent/CN204408115U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021382A1 (en) * | 2020-07-31 | 2022-02-03 | Siemens Aktiengesellschaft | Motor encoder, motor and method for installing motor encoder |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |