CN209170149U - Structure of installing encoders and loom - Google Patents
Structure of installing encoders and loom Download PDFInfo
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- CN209170149U CN209170149U CN201821468143.5U CN201821468143U CN209170149U CN 209170149 U CN209170149 U CN 209170149U CN 201821468143 U CN201821468143 U CN 201821468143U CN 209170149 U CN209170149 U CN 209170149U
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Abstract
The utility model provides a kind of structure of installing encoders and loom, the structure of installing encoders includes motor casing, stator and rotor, the stator and rotor are located in the motor casing, and the motor casing, stator and rotor coaxial, the structure of installing encoders further includes the encoder for being installed to the end of the motor casing, and the encoder includes fixed part and rotating part；The fixed part of the encoder is fixedly mounted on the motor casing or stator, and the fixed part includes read head；The rotating part of the encoder and the rotor coaxial, the rotating part has multiple permanent magnet body or mechanical gear ring, and the multiple permanent magnet body or mechanical gear ring are corresponding with the position of the read head.The utility model avoids the precision that encoder is not only increased using synchronous belt and gear drive, and simplify the mounting structure of encoder by directly mutually fixing encoder with stator, rotor.
Description
Technical field
The utility model relates to loom fields, more specifically to a kind of structure of installing encoders and loom.
Background technique
Clothing, food, lodging and transportion -- basic necessities of life are that people's Working Life is essential, and with the development of economy, people increasingly focus on dressing,
Demand and quality requirements to textile are also continuously improved.Loom is subsequent as one of most important equipment of textile industry
Printing and dyeing, needle seam etc. provide raw material.
With the continuous development of textile industry, loom is also constantly updating progress.Finally from earliest fly-shuttle loom
The efficiency of rapier loom, water-jet loom, air-jet loom, loom is continuously improved.It is the schematic diagram of existing loom as shown in Fig. 1 ~ 3.
In the loom 1, main motor is driving force needed for the main shaft 16 of loom provides work, is needed when starting due to loom 1 very big
Torque, so it is generally necessary to belt pulley (specifically include motor side drive pulley, spindle end drive pulley 13 and transmission skin
Band) or gear conduct deceleration.The main motor in loom generally uses efficient asynchronous machine at present.
However, the above-mentioned loom using asynchronous machine, not only components are various, Material Cost is high, installation is complicated, maintenance at
This height, and the bearing of main shaft 16 needs to bear biggish driving belt transmitting torque bring pulling shaft power, and hazard rate is high.
In addition, the drive noise of driving belt is high, and energy loss can be generated (energy consumption is about 15%).There is also can not spirit for above-mentioned loom
The problem of speed regulation living, if when replacement workpieces processing, needing to realize speed change, cost of labor by replacement drive pulley etc.
Height, production efficiency are low.
In above-mentioned loom, encoder 18 is carried out by synchronous belt 15 and gear 17 and is connected, but synchronous belt 15 and gear 17
There is fit clearance, influences the precision of encoder 18；And encoder 18 or synchronous belt 15 are wear-out part, and the service life is low, needs
Periodic maintenance increases maintenance cost.In addition, the encoder 18 in existing loom generallys use photoelectric encoder, anti-vibration, anti-pollution
Dye, characteristic resistant to high temperatures are poor, high failure rate.
Summary of the invention
The technical problem to be solved by the present invention is to insufficient for above-mentioned loom structure complexity, encoder accuracy
Problem provides a kind of structure of installing encoders and loom.
The technical solution that the utility model solves above-mentioned technical problem is to provide a kind of structure of installing encoders, including electricity
Casing, stator and rotor, the stator and rotor are located in the motor casing, and the motor casing, stator and rotor
Coaxially, the structure of installing encoders further includes the encoder for being installed to the end of the motor casing, and the encoder includes
Fixed part and rotating part；The fixed part of the encoder is fixedly mounted on the motor casing or stator, and the fixed part packet
Include read head；The rotating part of the encoder and the rotor coaxial, the rotating part have multiple permanent magnet body or mechanical gear
Ring, and the multiple permanent magnet body or mechanical gear ring are corresponding with the position of the read head.
Preferably, the open-ended place of the motor casing has rear cover, and the read head of the fixed part of the encoder is fixed on
The inner surface of the rear cover, the multiple permanent magnet body or mechanical tooth of the rotating part of the encoder are covered and protruded from after described
It takes turns to install around the periphery of the rotor and fix.
Preferably, the rotor includes rotor core, is covered after described with through-hole, and the tail end of the rotor core is worn
Cross the through-hole；The read head of the encoder is fixedly mounted close to the through-hole edge of the rear cover, the rotating part of the encoder
Multiple permanent magnet body or mechanical gear be fixed on the rotor core on the inside of the rear cover through-hole.
Preferably, the fixed part of the encoder is mounted on the stator or motor casing by fixed bracket, the volume
The rotating part of code device is connect by shaft coupling with the rotor.
Preferably, the first end of the shaft coupling is directly anchored on the rotor, and the second end of the shaft coupling is straight
Connect the rotating part for being fixedly attached to the encoder.
The utility model also provides a kind of loom, including rack and main shaft, has axis hole and the main shaft in the rack
One end pass through the axis hole and project into the outside of the rack；The loom further includes encoder installation knot as described above
Structure, in which: the motor casing is fixed on the outside of the axis hole of the rack, and the rotor is fixed on the main shaft and is located at outside rack
The part of side, and the main shaft of the loom constitutes the shaft of the rotor.
Preferably, the loom includes end cap and mounting flange；Wherein, the end cap is located at outside the axis hole of the rack
Side, and there is bearing between the end cap and main shaft；The mounting flange is fixed on the outside of the rack and around described
The periphery of end cap；The motor casing is fixed on the mounting flange.
Preferably, it includes multiple load segments that the main shaft, which projects into the part of the shell outside, and the multiple assembly
The step that section diametrically gradually reduces, and the rotor is fixed on outermost load segment by locking nut.
The structure of installing encoders and loom of the utility model have the advantages that by the way that encoder is directly and fixed
Son, rotor are mutually fixed, and avoid the precision that encoder is not only increased using synchronous belt and gear drive, and simplify coding
The mounting structure of device.
The utility model also by the way that synchronous motor to be embedded into the existing structure of loom, realizes synchronous motor and loom
The integration of mechanical structure eliminates intermediate transmission unit, to reduce the loss of loom to the full extent.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing loom；
Fig. 2 is the drive mechanism schematic diagram of encoder in existing loom；
Fig. 3 is the diagrammatic cross-section of drive part in existing loom；
Fig. 4 is the schematic diagram of the utility model loom embodiment；
Fig. 5 is the diagrammatic cross-section of the utility model loom embodiment；
Fig. 6 is the partial enlargement diagram in the portion A in Fig. 5；
Fig. 7 is the diagrammatic cross-section of another embodiment of the utility model loom；
Fig. 8 is the partial enlargement diagram in the portion B in Fig. 7.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It is the schematic diagram of the utility model loom embodiment as shown in Fig. 4 ~ 6, which can be rapier loom, water spray
Loom or air-jet loom.The loom 4 of the present embodiment includes rack 40, main shaft 46, motor casing 41, stator 42, rotor 43 and compiles
Code device, wherein one end with axis hole and main shaft 46 in rack 40 passes through the outside that above-mentioned axis hole projects into rack 40.Motor casing
41 are fixed on the outside of the axis hole of rack 40, and stator 42 is fixed on the inner wall of motor casing 41, and rotor 43 is fixed on main shaft 46 and is located at
The part in the outside of rack 40 is simultaneously opposite with stator 42 (having air gap between rotor 43 and stator 42), and above-mentioned motor casing 41, fixed
Son 42, rotor 43 and the main shaft 46 of loom are coaxial, and above-mentioned main shaft 46 constitutes the shaft of rotor 43.
Encoder is installed to the end of motor casing 41, and the encoder includes fixed part and rotating part.Above-mentioned encoder
Fixed part is fixedly mounted on motor casing 41 or stator 42, and fixed part includes read head 491.The rotating part and rotor 43 of encoder
Coaxially, and above-mentioned rotating part has multiple permanent magnet body (such as magnet ring) or mechanical gear ring 492.Above-mentioned multiple permanent magnet body or machine
Tool formula gear ring 492 is corresponding with the position of read head 491.When rotor 43 rotates, multiple permanent magnet body or mechanical gear ring 492
Rotor 43 is followed to rotate, so that read head 491 can obtain the position of rotor 43 according to changes of magnetic field or gear structure variation.And by
It is coaxial in rotor 43 and main shaft 46, therefore the position of the rotor 43 of the acquisition of above-mentioned read head 491 is the position of main shaft 46.
Above-mentioned loom 4 by the way that the rotor 43 of main shaft 46 and motor integration, i.e. motor is directly mounted on main shaft 46, and
Carry out drive control in conjunction with electric machine controller, eliminate bearing in former individual motor and transmission component (such as driving belt,
Drive pulley) etc. accessories.Since main shaft 46 directly drives rotation by rotor 43 in the loom 4, for installing the bearing of main shaft 46
45 no longer need to bear the pulling shaft power of transmission belt, and 45 stress of bearing more balances, and failure rate will substantially reduce.Save driving belt
Afterwards, also make the complete machine noise of loom lower, correspondingly the loss of driving belt also reduces (energy consumption reduces about 15%), and loom is greener
Color energy conservation.
Also, the multiple permanent magnet body or mechanical gear ring 492 due to encoder are fixed on rotor 43, are not necessarily to synchronous belt
With gear drive, to will not cause encoder accuracy insufficient because of the error of running part.
Specifically, above-mentioned encoder can install in the following manner fixation: after the setting of the open-ended place of motor casing 41
The read head 491 of lid 411, the fixed part of encoder is fixed on rear cover 411 and protrudes from the inner surface of rear cover 411, encoder
Rotating part 492 surrounding rotor 43 of multiple permanent magnet body or mechanical gear periphery install fix.Compared to by multiple permanent magnet
Body or mechanical gear 492 are fixed on the mode of the periphery of main shaft 46, since the perimeter of the periphery of rotor 43 is greater than main shaft 46
The perimeter of periphery, so that the position of encoder is more accurate.
Particularly, above-mentioned rotor 43 includes rotor core 431, has through-hole, and the tail of rotor core 431 on rear cover 411
End is across through-hole；The read head 491 of encoder is fixedly mounted close to the through-hole edge of rear cover 411, the multistage of the rotating part of encoder
Permanent magnet or mechanical gear 492 are fixed on the rotor core 43 on the inside of 411 through-hole of rear cover.
In addition, loom 4 may also include other additional mechanical mechanisms 483(such as cam shedding mechanism, type dobby shedding mechanism
Deng), and the additional mechanical mechanism 483 is also driven by above-mentioned motor part.The loom 4 can pass through belt pulley 481 and transmission skin
Band 482 drives additional mechanical mechanism 483 to run.Specifically, above-mentioned belt pulley 481 is mounted on outside (belt pulley of rotor 43
481 can specifically be fixed on rotor 43 or main shaft 46), and the belt pulley 481 and main shaft 46 are coaxial, the one of driving belt 482
End cap on belt pulley 481, the other end be placed on additional mechanical mechanism 483.
There is end cap 47 on the outside of the axis hole of the rack 40 of above-mentioned loom 4, and there is bearing between the end cap 47 and main shaft 46
45, by end cap 47, it can avoid the axis hole that external world's dust falls into rack 40, reduce failure.
In above-mentioned loom, motor casing 41 can be installed to rack 40 in the following manner: increase mounting flange 44, the peace
Periphery of the ring flange 44 fixed (such as welding or pass through bolt) in rack 40 or end cap 47 and around end cap 47 is filled, and is installed
Ring flange 44 and main shaft 46 are coaxial；Motor casing 41 is fixed by screws on mounting flange 44.By this way, need to be to fixed
When son 42 and rotor 43 are safeguarded, motor casing 41 can be made to separate with mounting flange 44 as long as removing screw.Above-mentioned mounting flange
Disk also can be improved the leakproofness of stator 42 and rotor 43, guarantee rotor 43 efficiently, stable operation.
Particularly, the part that above-mentioned main shaft 46 projects into 40 outside of rack includes multiple load segments, and multiple load segments are in
The step that diameter gradually reduces；Load segment on the outermost side is the truncated cone-shaped of reduced diameter, and rotor 43 passes through lock
Tight nut is fixed on outermost load segment.
The fixed structure of above-mentioned motor casing 41 and the fixed structure of rotor 43, compatible existing loom, i.e., without pair
Existing loom, which carries out repacking, can be realized the installation for completing loom drive part.
To improve heat dissipation performance, above-mentioned rotor 43 includes rotor core 431, and one end of the rotor core 431 projects into
Outside motor casing 41.Also, it can also increase the heat release hole or radiating groove 4311 being arranged around main shaft 46 on rotor core 431, and
The opening of heat release hole or radiating groove 4311 is located at rotor core 431 and is projected into the end face outside motor casing 41.
It as Figure 7-8, is the schematic diagram of another embodiment of the utility model loom.The loom of the present embodiment includes machine
Frame, main shaft 56, motor casing 51, stator 52, rotor 53 and encoder, wherein one end with axis hole and main shaft 56 in rack is worn
Cross the outside that above-mentioned axis hole projects into rack.Motor casing 51 is fixed on the outside of the axis hole of rack, and stator 52 is fixed on motor casing
51 inner wall, rotor 53 be fixed on main shaft 56 be located at shell outside part and it is opposite with stator 52 (rotor 53 and stator 52 it
Between there is air gap), and above-mentioned motor casing 51, stator 52, rotor 53 and the main shaft 56 of loom are coaxial.
Encoder can be fixed to above-mentioned loom in the following manner: the fixed part of encoder passes through fixed bracket 593 and installs
On stator 52 or motor casing 51, the rotating part of encoder is connect by shaft coupling 594 with rotor 53.When rotor 53 rotates,
The multiple permanent magnet body of the rotating part (such as shaft) of encoder also follows rotor 53 to rotate, so that read head 591 can become according to magnetic field
Change or gear structure changes the position for obtaining rotor 53.And since rotor 53 and main shaft 56 are coaxial, above-mentioned read head 591 is obtained
The position of the rotor 53 taken is the position of main shaft 56.
Particularly, the first end of above-mentioned shaft coupling 594 is directly anchored on rotor 53, and the second end of shaft coupling 594 is straight
Connect the encoder axis 592 for being fixedly attached to the rotating part of encoder.
The utility model also provides a kind of structure of installing encoders, which includes motor casing, stator, turns
Son and encoder, said stator and rotor are located in the motor casing, and motor casing, stator and rotor coaxial, coding
Device is installed to the end of motor casing, and encoder includes fixed part and rotating part；The fixed part of above-mentioned encoder is fixedly mounted on
On motor casing or stator, and fixed part includes read head；The rotating part of encoder is coaxial with the rotor, and rotating part has multiple permanent magnet body
Or mechanical gear ring, and multiple permanent magnet body or mechanical gear ring are corresponding with the position of read head.
Specifically, encoder can install in the following manner the end fixed to motor casing: in the open-ended of motor casing
Place's setting rear cover, the read head of the fixed part of encoder cover and protrude from the inner surface of rear cover, the rotation of encoder after being fixed on
The multiple permanent magnet body of transfer part or the periphery of mechanical gear surrounding rotor are installed and are fixed.Particularly, rotor includes rotor core, after
It covers with through-hole, and the tail end of rotor core passes through through-hole；The read head of the encoder is close to the through-hole edge of the rear cover
It is fixedly mounted, the multiple permanent magnet body or mechanical gear of the rotating part of encoder are fixed on the institute on the inside of the rear cover through-hole
It states on rotor core.
In addition, encoder can also install the end fixed to motor casing in the following manner: the fixed part of encoder passes through
Fixed bracket is mounted on stator or motor casing, and the rotating part of encoder is connect by shaft coupling with rotor.Particularly, above-mentioned
The first end of axis device is directly anchored on rotor, and the second end of shaft coupling is fixedly connected to the rotating part of encoder.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (8)
1. a kind of structure of installing encoders, including motor casing, stator and rotor, the stator and rotor are located at the electricity
In casing, and the motor casing, stator and rotor coaxial, which is characterized in that the structure of installing encoders further includes being installed to
The encoder of the end of the motor casing, and the encoder includes fixed part and rotating part；The fixed part of the encoder is solid
Dingan County is on the motor casing or stator, and the fixed part includes read head；The rotating part of the encoder and the rotor
Coaxially, the rotating part has multiple permanent magnet body or a mechanical gear ring, and the multiple permanent magnet body or mechanical gear ring with
The position of the read head is corresponding.
2. structure of installing encoders according to claim 1, which is characterized in that the open-ended place of the motor casing has
Rear cover, the read head of the fixed part of the encoder be fixed on it is described after cover and protrude from the inner surface of the rear cover, it is described
The multiple permanent magnet body or mechanical gear of the rotating part of encoder are installed around the periphery of the rotor and are fixed.
3. structure of installing encoders according to claim 2, which is characterized in that the rotor includes rotor core, described
After cover with through-hole, and the tail end of the rotor core pass through the through-hole；The read head of the encoder is close to the rear cover
Through-hole edge be fixedly mounted, the multiple permanent magnet body or mechanical gear of the rotating part of the encoder be fixed on it is described after
On the rotor core on the inside of the through-hole of lid.
4. structure of installing encoders according to claim 1, which is characterized in that the fixed part of the encoder passes through fixation
Bracket is mounted on the stator or motor casing, and the rotating part of the encoder is connect by shaft coupling with the rotor.
5. structure of installing encoders according to claim 4, which is characterized in that the first end of the shaft coupling is directly fixed
On the rotor, and the second end of the shaft coupling is fixedly connected to the rotating part of the encoder.
6. a kind of loom, including rack and main shaft, one end with axis hole and the main shaft in the rack passes through the axis hole
Project into the outside of the rack；It is characterized in that, the loom further includes coding according to any one of claims 1 to 5
Device mounting structure, in which: the motor casing is fixed on the outside of the axis hole of the rack, and the rotor is fixed on the main shaft position
Main shaft in the part of shell outside, and the loom constitutes the shaft of the rotor.
7. loom according to claim 6, which is characterized in that the loom includes end cap and mounting flange；Wherein, institute
It states end cap to be located on the outside of the axis hole of the rack, and there is bearing between the end cap and main shaft；The mounting flange is fixed
Outside in the rack and the periphery around the end cap；The motor casing is fixed on the mounting flange.
8. loom according to claim 6, which is characterized in that the part that the main shaft projects into the shell outside includes
Multiple load segments, and the step that the multiple load segment diametrically gradually reduces, and the rotor is fixed by locking nut
In outermost load segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468143.5U CN209170149U (en) | 2018-09-07 | 2018-09-07 | Structure of installing encoders and loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468143.5U CN209170149U (en) | 2018-09-07 | 2018-09-07 | Structure of installing encoders and loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209170149U true CN209170149U (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821468143.5U Active CN209170149U (en) | 2018-09-07 | 2018-09-07 | Structure of installing encoders and loom |
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| CN (1) | CN209170149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048808A (en) * | 2020-09-04 | 2020-12-08 | 深圳市易驱电气有限公司 | Loom operation method and device |
-
2018
- 2018-09-07 CN CN201821468143.5U patent/CN209170149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048808A (en) * | 2020-09-04 | 2020-12-08 | 深圳市易驱电气有限公司 | Loom operation method and device |
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