CN208083068U - The cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives - Google Patents
The cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives Download PDFInfo
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- CN208083068U CN208083068U CN201820164926.8U CN201820164926U CN208083068U CN 208083068 U CN208083068 U CN 208083068U CN 201820164926 U CN201820164926 U CN 201820164926U CN 208083068 U CN208083068 U CN 208083068U
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Abstract
The utility model discloses the cross wedge rolling mill rollers that no frame permanent magnet synchronous motor directly drives, and include driving motor, rolling-mill housing, roll and the bearing support for supporting the roll；Driving motor is no frame permanent magnet synchronous motor, including opposite rotor assembly and stator module；Stator module is fixed in rolling-mill housing, and rotor assembly is connected with roll；Stator core in stator module is integrated the cyclic structure of machine-shaping, and stator winding is wrapped in stator core.The utility model rotor assembly is directly connect with roll, and using power part as the mover of motor, motor combines together the utility model with mechanical part, reduce the driving intermediate link such as gear, reduction box, simplify type of drive and structure, improves drive efficiency, reduce the loss of the energy.
Description
Technical field
The utility model is related to forging machinery and equipment fields, and in particular to a kind of roller that no frame permanent magnet synchronous motor directly drives
Formula cross wedge rolling machine.
Background technology
The cross wedge rolling technique steel rolling technology occurred in 1961, it is suitable for rolling Varied section revolving body.It is to utilize two dresses
Wedge shape mould on rotating Vortex roll makes blank generate continuous and local deformation, finally rolls into various ladder axial workpieces.It should
Technology because have the characteristics that efficiently, section material, it is energy saving due to be widely used in the various productions with rotary body class part.Currently, using
Most is cross wedge rolling mill roller, and cross wedge rolling mill roller has two kinds of double-roller type and three-roller type, the driving of roller generally to use
Motor, triangle driving belt, reduction box and transmission gear composition, since intermediate transmission component is more, power attenuation is larger, transmission essence
It spends relatively low, is not easy to the accurate processing of rolling part.
Therefore, above-mentioned problem also needs further to be improved optimization.
Invention content
The utility model is to overcome the problems, such as described in the above-mentioned prior art, and it is straight to provide a kind of no frame permanent magnet synchronous motor
The cross wedge rolling mill roller of drive, rotor assembly are directly connect with roll, and stator module is fixed in rolling-mill housing, and the utility model will
Mover of the power part as motor, motor combine together with mechanical part, reduce the driving intermediate link such as gear, reduction box,
Simplify type of drive and structure, improves drive efficiency, reduce the loss of the energy.
The above-mentioned purpose of the utility model is achieved by the following technical programs.
A kind of cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives includes work milling train and described for driving
The driving motor of work milling train operation, the work milling train include rolling-mill housing, roll and the branch for supporting the roll
Hold bearing；The input terminal of the roll is directly driven using the driving motor；The number at least two of the roll；
Bearing support is each equipped between the roll and the rolling-mill housing；The driving motor is no frame permanent magnet synchronous motor,
Including rotor assembly and stator module；Wherein, the stator module is opposite with the rotor assembly, and the stator module provides one
The magnetic field of a rotation drives the rotor assembly rotation；The stator module is fixed in the rolling-mill housing, the rotor set
Part is connected at least one roll；The stator module includes stator base, stator core and stator winding, described fixed
Sub- iron core is integrated the cyclic structure of machine-shaping, and the stator winding is wrapped in the stator core.
The utility model provides the cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives, rotor assembly directly with roll
Roller connects, and stator module is fixed in rolling-mill housing, and stator module provides the magnetic field of a rotation to drive for rotor assembly
Roller rotational moves, and using power part as the mover of motor, motor combines together the utility model with mechanical part, reduces tooth
Wheel, reduction box etc. drive intermediate link, simplify type of drive and structure, improve drive efficiency, reduce the loss of the energy.Without frame
The structure of permanent magnet synchronous motor can be combined to set without fixed frame, the external form of stator module with the actual conditions of rolling-mill housing
Meter has fast response time, the high advantage of control accuracy, while can carry convenient for matching installation with the cross wedge rolling mill roller
It is exported for powerful energy.
Preferably, the rotor assembly includes rotor pedestal and magnet steel substrate, and the magnet steel substrate is to paste or be embedded in
Permanent-magnet material on rotor pedestal；The rotor pedestal is connected with the roll；The magnet steel substrate ring cloth and/or it is distributed in institute week
It states on rotor pedestal, and opposite with the stator winding.
Preferably, the stator module is axially arranged at least one layer of stator core along it, and every layer of stator core is equal
With the magnet steel substrate Relative distribution.The design of stator module described in multilayer is directly driven by no frame permanent magnet synchronous motor
The roll provides higher power.
Preferably, there are air gaps, the both ends of the air gap also to set respectively between the stator base and the rotor pedestal
There is at least two layers sealing ring disposed in parallel；It is in hook-like configuration, the hook to have a circle in the outer ring of the sealing ring and inner ring
Structure and the ontology junction of the sealing ring are embedded with the resilient balls being distributed in a ring；The free end position of the hook-like configuration
In the space that multiple sealing rings are formed, and the hook-like configuration interlocks and the stator base and the rotor base successively
Seat contact free.Gap, that is, air gap between stator module and rotor assembly should not be allowed to dust to enter, existing drive
Sealing is arranged not between stator module and rotor assembly for dynamic motor, therefore has certain requirement to use environment, and adds close
Seal can expand the use scope of no frame permanent magnet synchronous motor, you can be used under conditions of environment is more severe；Secondly,
The sealing ring forms line contact sealing using cambered surface and plane contact, and for plane-plane contact, the sealing ring is revolving
During transhipment is dynamic, friction is smaller, and double-deck design, improves the sealing performance of the sealing ring；And the hook-type being centrosymmetric
Structure is close compared to general convenient for collecting dust to achieve the effect that secondary isolation reaches sealing shaped like streamlined structure
Envelope form sealing performance is more high-quality.
Preferably, the quantity of the no frame permanent magnet synchronous motor is identical as the quantity of the roll；It is each described rimless
Input terminal of the formula permanent magnet synchronous motor with the roll is fixedly linked.
Preferably, the quantity of the no frame permanent magnet synchronous motor is less than the quantity of the roll；The no frame permanent magnetism
Synchronous motor is fixedly linked with the input terminal of roll one-to-one correspondence, and the remaining roll passes through intermediate transmission component phase
Even.
Preferably, the intermediate transmission component includes the tooth with the idle pulley external toothing respectively of an idle pulley and two
Wheel；The gear and the corresponding roll are connected, and the idle pulley and the rolling-mill housing pass through the swivel bearing that is sequentially connected
With the movable axis flexible connection for circumferentially moving, the axle center of the movable axis is overlapped with the center of the idle pulley；The activity
Axis moved on the circumferential moving track of the rolling-mill housing and using the locating piece that is mutually inclined by the movable axis with it is described
Rolling-mill housing is fixed；The center of the idle pulley is located on the central axes of two gears, and the side of being adjusted circumferentially of the idle pulley
It is overlapped to the central axes.The spindle central Activities Design of the idle pulley compared to fixed installation idle pulley, with the tooth
The engagement tightness degree of wheel can be adjusted, and can also avoid engaging stuck phenomenon in power transmission process, and be mutually inclined
Locating piece staggeredly is conducive to stablizing for the idle pulley and installs, and in contrast to the locating piece of parallelly distribute on, can reduce loose-parts
Probability.
Preferably, it is additionally provided with cooling device on the stator module；The cooling device includes to be circular layout described
The cooling air channel on cooling water pipe and/or the stator base on stator core, the direction of the cooling air channel with described turn
The Plane of rotation of sub-component is vertical.The stator module generates the magnetic field of rotation and drives the rotation of the roll, can be with production
Raw a large amount of heat, influences the normal operation of equipment, the heat band that the recirculated water in the cooling water pipe in time generates equipment
Go out, secondly, the cooling air channel can also take away partial heat, and assistant reinforcement cooling function makes equipment keep a stabilization
Suitable temperature, good cooling results ensure the stable of equipment.
Compared with prior art, the beneficial effects of the utility model are：
1, rotor assembly is directly connect with roll, and stator module is looped around axial direction and/or circumferential direction and the fixation of rotor assembly
In rolling-mill housing, intermediate link is driven to reduce gear, reduction box etc., simplifies type of drive and structure, improves drive efficiency,
Realize the straight drive of cross wedge rolling mill roller.
2, stator base without frame permanent magnet synchronous motor can be with the structure of cooperating equipment, therefore without fixed form, favorably
Satisfactory permanent magnet synchronous motor is made in the concrete structure and performance for coordinating the work milling train, reduces work milling train
Manufacturing cost.
3, the performance reliable for operation of machine is improved, manufacturing cost and use cost is reduced, reduces the loss of the energy.
4, permanent magnet synchronous motor has fast response time, the high advantage of control accuracy, while can provide powerful energy
Output.
5, the sealed set inside motor is added, the sealing ring forms line contact sealing using cambered surface and plane contact,
For plane-plane contact, for the sealing ring in rotary motion, friction is smaller, and double-deck design, improves described close
The sealing performance of seal；And the hook-shape structure being centrosymmetric is shaped like streamlined structure, convenient for collecting dust to reach secondary
Isolation achievees the effect that sealing, more high-quality compared to general seal form sealing performance, prevents dust from entering, while often locating
Sealing ring be equipped with multilayer, improve sealing effect.
6, in the utility model idle pulley spindle central Activities Design compared to fixed installation idle pulley, with the gear
Engagement tightness degree can adjust, can also avoid engaging stuck phenomenon in power transmission process, and be mutually inclined friendship
Wrong locating piece is conducive to stablizing for the idle pulley and installs, and in contrast to the locating piece of parallelly distribute on, can reduce loose-parts
Probability.
Description of the drawings
Fig. 1 is the schematic diagram for the cross wedge rolling mill roller of embodiment 1 directly driven without frame permanent magnet synchronous motor.
Fig. 2 is the motor sectional view of embodiment 1.
Fig. 3 is B in Fig. 2 to figure.
Fig. 4 is the schematic diagram of the intermediate transmission component of embodiment 1.
Fig. 5 is the schematic diagram of the idle pulley installation of embodiment 1.
Fig. 6 is the schematic diagram for the cross wedge rolling mill roller of embodiment 2 directly driven without frame permanent magnet synchronous motor.
Fig. 7 is the scheme of installation of the sealing ring of embodiment 3.
Fig. 8 is the ring structure sectional view of embodiment 3.
Fig. 9 be in Fig. 8 A-A to figure.
Figure 10 is the distribution schematic diagram of cooling device in embodiment 4.
In figure：1, rolling-mill housing；2, roll；3, bearing support；4, without frame permanent magnet synchronous motor；5, intermediate transmission group
Part；51, idle pulley；52, gear；53, swivel bearing；54, movable axis；55, locating piece；6, air gap；61, sealing ring；62, hook knot
Structure；63, resilient balls；7, rotor assembly；71, rotor pedestal；72, magnet steel substrate；8, stator module；81, stator base；82,
Stator core；83, stator winding；9, cooling water pipe；10, cooling air channel.
Specific implementation mode
Clear, complete description is carried out to the technical solution of various embodiments of the utility model below with reference to attached drawing, it is clear that
Described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is new based on this practicality
The embodiment of type, those of ordinary skill in the art's obtained all other implementation without making creative work
Example, belongs to the range that the utility model is protected.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 1~5, a kind of cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives is present embodiments provided,
Include work milling train and the driving motor for driving the work milling train operation, the work milling train include rolling-mill housing 1,
Two rolls 2 and bearing support 3 for supporting the roll 2；The input terminal of the roll 2 using the driving motor into
Row directly drives；Bearing support 3 is each equipped between the roll 2 and the rolling-mill housing 1；The driving motor is no frame
Permanent magnet synchronous motor 4, including rotor assembly 7 and stator module 8；Wherein, the stator module 8 is opposite with the rotor assembly 7,
The magnetic field that the stator module 8 provides a rotation drives the rotor assembly 7 to rotate；The stator module 8 is fixed on described
In rolling-mill housing 1, the rotor assembly 7 and a roll 2 are connected；The stator module 8 include stator base 81,
Stator core 82 and stator winding 83, the stator core 82 are integrated the cyclic structure of machine-shaping, the stator winding 83
It is wrapped in the stator core 82.The rotor assembly 7 includes rotor pedestal 71 and magnet steel substrate 72, the magnet steel substrate
72 be the permanent-magnet material pasted or be embedded on rotor pedestal 71；The rotor pedestal 71 is solid by fixing piece with the roll 2
Even；In the present embodiment, 72 ring cloth of the magnet steel substrate and be distributed in week on the rotor pedestal 71, and with the stator winding 83
Relatively；The stator module 8 is axially arranged with two layers of stator core 82 along it, and every layer of stator core 82 with the magnetic
72 Relative distribution of steel substrate.The design of stator module 8 described in multilayer is directly driven described by no frame permanent magnet synchronous motor 4
Roll provides higher power.
As a kind of preferred embodiment of the present embodiment, cross wedge rolling mill roller drives for single machine in the present embodiment, described rimless
Formula permanent magnet synchronous motor 4 and the input terminal of a roll 2 are fixedly linked, and the remaining roll 2 passes through intermediate transmission group
Part 5 is connected；The intermediate transmission component 5 includes the gear with 51 external toothing of the idle pulley respectively of an idle pulley 51 and two
52；The gear 52 and the corresponding roll 2 are connected, and the idle pulley 51 and the rolling-mill housing 1 pass through the rotation that is sequentially connected
Shaft holds 53 and the flexible connection of movable axis 54 for circumferentially moving, the center in the axle center of the movable axis 54 and the idle pulley 51
It overlaps；The movable axis 54 moves on the circumferential moving track of the rolling-mill housing 1 and will using the locating piece being mutually inclined
The movable axis 54 is fixed with the rolling-mill housing 1；The center of the idle pulley 51 is located on the central axes of two gears 52,
And the direction that is adjusted circumferentially of the idle pulley 51 is overlapped with the central axes.
The utility model provides the cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives, rotor assembly 7 directly with
Roll 2 connects, and stator module 8 is fixed in rolling-mill housing, and the utility model is using power part as the mover of motor, motor
It combines together with mechanical part, reduces the driving intermediate link such as gear, reduction box, simplify type of drive and structure, improve driving
Efficiency reduces the loss of the energy.Structure without frame permanent magnet synchronous motor is convenient for and the cross wedge rolling mill roller without fixed frame
Installation is matched, there is fast response time, the high advantage of control accuracy, while powerful energy output can be provided.
Embodiment 2
As shown in fig. 6, the utility model preferred embodiment is to provide a kind of roller that no frame permanent magnet synchronous motor directly drives
Formula cross wedge rolling machine, the present embodiment is similar with the structure of embodiment 1 and operation principle, and difference from example 1 is that, this
Cross wedge rolling mill roller is twin-engined drives, the quantity of the quantity and the roll 2 of the no frame permanent magnet synchronous motor 4 in embodiment
It is identical；Each input terminal of the no frame permanent magnet synchronous motor 4 with the roll 2 is fixedly linked.Wherein, the roll-type wedge
Cross rolling mill includes there are two the roll 2, and the input terminal of each roll 2 is connected with no frame permanent magnet synchronous motor 4.Double electricity
Machine collective effect ensures the Accurate Shaping of workpiece when rolling.
Embodiment 3
As shown in figs. 7-9, the utility model preferred embodiment is to provide what a kind of no frame permanent magnet synchronous motor directly drove
Cross wedge rolling mill roller, the present embodiment is similar with the structure of embodiment 1 or 2 and operation principle, and from embodiment 1 or 2 it is different it
It is in there are air gaps 6, the both ends of the air gap 6 also to divide between stator base described in the present embodiment and the rotor pedestal
It She You not at least two layers sealing ring 61 disposed in parallel；It is in hook knot 62 to have a circle in the outer ring of the sealing ring 61 and inner ring,
The hook-like configuration 62 and the ontology junction of the sealing ring 61 are embedded with the resilient balls 63 being distributed in a ring；The hook
The free end of structure 62 be located at multiple sealing rings 61 formation space in, and the hook-like configuration 62 successively staggeredly with it is described
Stator base and the rotor pedestal contact free.Gap, that is, air gap 6 between stator module and rotor assembly 7 is to should not be allowed to
There is dust to enter, sealing is arranged in driving motor not between the stator module of rotation and rotor assembly at present, therefore to using
Environment has certain requirement, and the use scope of no frame permanent magnet synchronous motor can be expanded by adding sealing ring, you can use exists
Under conditions of environment is more severe.
Embodiment 4
As shown in Figure 10, the utility model preferred embodiment is to provide a kind of roller that no frame permanent magnet synchronous motor directly drives
Formula cross wedge rolling machine, the present embodiment is similar with the structure of embodiment 1 or 2 and operation principle, and with the difference of embodiment 1 or 2
It is, cooling device is additionally provided on stator module described in the present embodiment；The cooling device includes to be circular layout described
The cooling air channel 10 on cooling water pipe 9 and/or the stator base on stator core, the direction of the cooling air channel 10 with
The Plane of rotation of the rotor assembly 7 is vertical.The stator module 8 generates the magnetic field of rotation and drives the rotation of the roll,
A large amount of heat can be supervened, the normal operation of equipment is influenced, the recirculated water in the cooling water pipe 9 in time generates equipment
Heat take out of, secondly, the cooling air channel 10 can also take away partial heat, and assistant reinforcement cooling function makes equipment protect
It holds one and stablizes suitable temperature, good cooling results ensure the stable of equipment.
The basic principles and main features and advantage of the utility model have been shown and described above, although having been shown and retouching
The embodiments of the present invention are stated, for the ordinary skill in the art, it is possible to understand that new not departing from this practicality
In the case of the principle and spirit of type a variety of change, modification, replacement and modification, the utility model can be carried out to these embodiments
Range be defined by the appended claims and the equivalents thereof.
Claims (8)
- Include work milling train and for driving the work 1. a kind of cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives Make the driving motor of milling train operation, the work milling train includes rolling-mill housing, roll and the bearing for supporting the roll Bearing；It is characterized in that, the input terminal of the roll is directly driven using the driving motor；The number of the roll is extremely It is two less；Bearing support is each equipped between the roll and the rolling-mill housing；The driving motor is no frame permanent magnetism Synchronous motor, including rotor assembly and stator module；Wherein, the stator module is opposite with the rotor assembly, the stator The magnetic field that component provides a rotation drives the rotor assembly rotation；The stator module is fixed in the rolling-mill housing, The rotor assembly is connected at least one roll；The stator module includes stator base, stator core and stator Winding, the stator core are integrated the cyclic structure of machine-shaping, and the stator winding is wrapped in the stator core.
- 2. the cross wedge rolling mill roller that no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that described Rotor assembly includes rotor pedestal and magnet steel substrate, and the magnet steel substrate is the permanent magnetism material pasted or be embedded on rotor pedestal Material；The rotor pedestal is connected with the roll；It the magnet steel substrate ring cloth and/or is distributed in week on the rotor pedestal, and with The stator winding is opposite.
- 3. the cross wedge rolling mill roller that no frame permanent magnet synchronous motor according to claim 2 directly drives, which is characterized in that described Stator module is axially arranged at least one layer of stator core, and opposite with the magnet steel substrate point of every layer of stator core along it Cloth.
- 4. the cross wedge rolling mill roller that no frame permanent magnet synchronous motor according to claim 2 directly drives, which is characterized in that described There are air gap between stator base and the rotor pedestal, the both ends of the air gap further respectively have at least two layers it is disposed in parallel Sealing ring；It is in hook-like configuration, the sheet of the hook-like configuration and the sealing ring to have a circle in the outer ring of the sealing ring and inner ring Body junction is embedded with the resilient balls being distributed in a ring；The free end of the hook-like configuration is located at multiple sealing rings and is formed Space in, and the hook-like configuration successively staggeredly and the stator base and the rotor pedestal contact free.
- 5. the cross wedge rolling mill roller that no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that described Quantity without frame permanent magnet synchronous motor is identical as the quantity of the roll；Each no frame permanent magnet synchronous motor is and institute The input terminal for stating roll is fixedly linked.
- 6. the cross wedge rolling mill roller that no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that described The quantity of no frame permanent magnet synchronous motor is less than the quantity of the roll；The no frame permanent magnet synchronous motor is rolled with described respectively The input terminal one-to-one correspondence of roller is fixedly linked, and the remaining roll is connected by intermediate transmission component.
- 7. the cross wedge rolling mill roller that no frame permanent magnet synchronous motor according to claim 6 directly drives, which is characterized in that described Intermediate transmission component includes the gear with the idle pulley external toothing respectively of an idle pulley and two；The gear with it is corresponding The roll is connected, and the idle pulley and the rolling-mill housing pass through the swivel bearing that is sequentially connected and the activity for circumferentially moving Axis is flexibly connected, and the axle center of the movable axis is overlapped with the center of the idle pulley；Week of the movable axis in the rolling-mill housing It moves on moving track and is fixed the movable axis and the rolling-mill housing using the locating piece being mutually inclined；The idle pulley Center be located on the central axes of two gears, and the direction that is adjusted circumferentially of the idle pulley is overlapped with the central axes.
- 8. the cross wedge rolling mill roller that no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that described Cooling device is additionally provided on stator module；The cooling device includes the cooling water being circular layout on the stator core Cooling air channel on pipe and/or the stator base, the direction of the cooling air channel and the Plane of rotation of the rotor assembly hang down Directly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164926.8U CN208083068U (en) | 2018-01-31 | 2018-01-31 | The cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164926.8U CN208083068U (en) | 2018-01-31 | 2018-01-31 | The cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208083068U true CN208083068U (en) | 2018-11-13 |
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ID=64062974
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820164926.8U Active CN208083068U (en) | 2018-01-31 | 2018-01-31 | The cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives |
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| CN (1) | CN208083068U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555030A (en) * | 2018-01-31 | 2018-09-21 | 湖北环电磁装备工程技术有限公司 | The cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives |
| CN109941753A (en) * | 2019-04-03 | 2019-06-28 | 深圳市易天自动化设备股份有限公司 | A kind of automatic transmission and guiding feeding-distribution device for small micro-dimension screen |
-
2018
- 2018-01-31 CN CN201820164926.8U patent/CN208083068U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555030A (en) * | 2018-01-31 | 2018-09-21 | 湖北环电磁装备工程技术有限公司 | The cross wedge rolling mill roller that no frame permanent magnet synchronous motor directly drives |
| CN109941753A (en) * | 2019-04-03 | 2019-06-28 | 深圳市易天自动化设备股份有限公司 | A kind of automatic transmission and guiding feeding-distribution device for small micro-dimension screen |
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