CN208158392U - High Precision Linear Motor annular process units - Google Patents
High Precision Linear Motor annular process units Download PDFInfo
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- CN208158392U CN208158392U CN201820730800.2U CN201820730800U CN208158392U CN 208158392 U CN208158392 U CN 208158392U CN 201820730800 U CN201820730800 U CN 201820730800U CN 208158392 U CN208158392 U CN 208158392U
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- guide rail
- ring
- inner ring
- bottom plate
- slip
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Abstract
The utility model discloses a kind of High Precision Linear Motor annular process units, described device includes：Rack and the bottom plate being fixedly installed in rack；The annular stator magnet steel being fixedly installed on bottom plate；It is fixedly installed in the outer ring guide rail on bottom plate and being located on the outside of annular stator magnet steel and is fixedly installed in the inner ring guide rail on bottom plate and being located on the inside of annular stator magnet steel；The slide being slidably mounted on outer ring guide rail and inner ring guide rail；The position feedback structure being installed below bottom plate；The hollow conductive slip ring for being fixedly installed in the slip ring fixing axle of bottom of the frame and being installed in the slip ring fixing axle, the slip ring fixing axle and hollow conductive slip ring are located at the inner ring guide rail and enclose the space interior set, and the hollow conductive slip ring is electrically connected with slide and position feedback structure by connecting line respectively.The utility model improves the response speed and transmission accuracy of device, improve device positioning accuracy, it can be achieved that linear motor rotor annular shuttling movement.
Description
Technical field
The utility model relates to industrial production line technical fields, produce more particularly to a kind of High Precision Linear Motor annular
Device.
Background technique
Modernization industry production becomes increasingly complex, and produces a product and generally requires by multiple working procedure, in order to improve life
Produce efficiency, shorten process between circulate the time, save space, loading and unloading station can in pitch time cycle operation, it is again sharp
With realization seamless connection.
Ring-shaped guide rail production line realizes the shuttling movement of multistation.And existing circular line mostly uses electric rotating
The mode of machine combination belt, transmission chain or screw rod drives, and often speed does not reach requirement this scheme, and since belt etc. is intermediate
Transmission system greatly reduces the positioning accuracy of production line, greatly constrains the development of manufacturing industry and other industry.
Therefore, in view of the above technical problems, it is necessary to which a kind of High Precision Linear Motor annular process units is provided.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of High Precision Linear Motor annular process units, effectively
The problems such as ground solves existing circular line low efficiency, effect is slow, precision is low.
To achieve the goals above, the technical solution that an embodiment of the present invention provides is as follows：
A kind of High Precision Linear Motor annular process units, described device include：
Rack and the bottom plate being fixedly installed in rack；
The annular stator magnet steel being fixedly installed on bottom plate；
It is fixedly installed in the outer ring guide rail on bottom plate and being located on the outside of annular stator magnet steel and is fixedly installed on bottom plate
And it is located at the inner ring guide rail on the inside of annular stator magnet steel；
The slide being slidably mounted on outer ring guide rail and inner ring guide rail；
The position feedback structure being installed below bottom plate；
It is fixedly installed in the slip ring fixing axle of bottom of the frame and the hollow conductive being installed in the slip ring fixing axle is sliding
Ring, the slip ring fixing axle and hollow conductive slip ring are located at the inner ring guide rail and enclose the space interior set, and the hollow conductive is sliding
Ring is electrically connected with slide and position feedback structure by connecting line respectively.
The annular stator magnet steel includes two linear stator magnet steel and connects as a further improvement of the utility model,
Two arcuate stator magnet steel of linear stator magnet steel are connect, the polarity of adjacent magnet steel is opposite in the annular stator magnet steel.
The outer ring guide rail includes that two outer ring linear guides and connection are outer as a further improvement of the utility model,
Two outer ring arc-shaped guide rails of ring linear guide, the inner ring guide rail include two inner ring linear guides and connection inner ring straight line
Two inner ring arc-shaped guide rails of guide rail.
The slide includes as a further improvement of the utility model,：
The outer ring guide rail slide block that is successively installed on outer ring guide rail, outer ring crossed roller bearing, is led at outer ring slipper connecting plate
Rail mounting base, fine motion guide rail；
Inner ring guide rail slide block, inner ring slipper connecting plate, the inner ring crossed roller bearing, company being successively installed on inner ring guide rail
Spindle；
The installation cover board being installed on above fine motion guide rail and connecting shaft；
The electric mover being installed below installation cover board, the electric mover is located at outer ring guide rail slide block and inner ring guide rail is sliding
Between block.
The position feedback structure includes as a further improvement of the utility model,：
The grating mounting plate being installed below bottom plate；
The circular grating ruler being installed on the inside of grating mounting plate, the circular grating ruler are vertically arranged with lower surface of base plate；
It is installed on the reading head pinboard of slide side；
The grating reading head being fixedly installed on reading head pinboard has between the grating reading head and circular grating ruler
There is air gap.
The position feedback structure includes as a further improvement of the utility model,：
The circular grating ruler being installed below bottom plate, the circular grating ruler are arranged in parallel with lower surface of base plate；
It is installed on the reading head pinboard of slide side；
The grating reading head being fixedly installed on reading head pinboard has between the grating reading head and circular grating ruler
There is air gap.
The hollow conductive slip ring includes as a further improvement of the utility model,：
The slip ring stator being fixedly installed in slip ring fixing axle；
Around the slip-ring rotor of slip ring stator rotation installation；
From the outwardly extending slip ring stator outlet of slip ring stator；
From the outwardly extending slip-ring rotor outlet of slip-ring rotor.
The slip ring stator outlet passes through connecting line and external powering device as a further improvement of the utility model,
And/or driver is electrically connected, the slip-ring rotor outlet passes through the electric mover and/or position feedback in connecting line and slide
Grating reading head in structure is electrically connected.
One or more is slidably fitted on the outer ring guide rail and inner ring guide rail as a further improvement of the utility model,
A slide.
The utility model has the following advantages that：
The utility model ring-shaped guide rail cooperation linear guide is installed on bottom plate, is driven using linear motor, is eliminated skin
The transmission mechanisms such as band, reduce accumulated error, improve the response speed and transmission accuracy of device；
The utility model ring segment and straightway use grating scale closed loop feedback position, further increase device positioning accurate
Degree；
The utility model solves the transmission of power supply line and signal wire using hollow conductive slip ring, realizes linear motor rotor
Annular shuttling movement.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments recorded in the utility model, for those of ordinary skill in the art, is not making the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overlooking structure diagram of annular process units in the utility model first embodiment；
Fig. 2 is the mounting structure perspective view of the explosion of slide in the utility model first embodiment；
Fig. 3 is the mounting structure schematic diagram of position feedback structure in the utility model first embodiment；
Fig. 4 is the mounting structure schematic diagram of slip ring fixing axle and hollow conductive slip ring in the utility model first embodiment；
Fig. 5 is the mounting structure schematic diagram of position feedback structure in the utility model second embodiment.
Wherein, 1 is rack, and 2 be bottom plate, and 3 be inner ring arc-shaped guide rail, and 4 be outer ring arc-shaped guide rail, and 5 be arcuate stator magnet steel,
6 be linear stator magnet steel, and 7 be inner ring linear guide, and 8 be outer ring linear guide, and 9 be slide, and 10 be hollow conductive slip ring, and 11 are
Slip ring fixing axle, 12 be installation cover board, and 13 be fine motion guide rail, and 14 be guide rail mounting base, and 15 be outer ring crossed roller bearing, and 16 are
Outer ring slipper connecting plate, 17 be outer ring guide rail slide block, and 18 be electric mover, and 19 be connecting shaft, and 20 be inner ring crossed roller bearing,
21 be inner ring slipper connecting plate, and 22 be inner ring guide rail slide block, and 23 be grating mounting plate, and 24 be circular grating ruler, and 25 read for grating
Several heads, 26 be reading head pinboard, and 27 be slip ring fixed plate, and 28 be the outlet of slip ring stator, and 29 be slip-ring rotor outlet, and 30 be to slide
Rotor, 31 be fastening screw, and 32 be slip ring stator.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality
With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in example.
Join shown in Fig. 1, the High Precision Linear Motor annular process units in the utility model first embodiment, including：
Rack 1 and the bottom plate 2 being fixedly installed in rack；
The annular stator magnet steel being fixedly installed on bottom plate 2；
It is fixedly installed in the outer ring guide rail on bottom plate 2 and being located on the outside of annular stator magnet steel and is fixedly installed in bottom plate
Inner ring guide rail that is upper and being located on the inside of annular stator magnet steel；
The slide 9 being slidably mounted on outer ring guide rail and inner ring guide rail；
The position feedback structure being installed below bottom plate；
The hollow conductive slip ring for being fixedly installed in the slip ring fixing axle 11 of bottom of the frame and being installed in slip ring fixing axle
10, slip ring fixing axle 11 and hollow conductive slip ring 10 are located at inner ring guide rail and enclose the space interior set, and hollow conductive slip ring 10 is distinguished
It is electrically connected with slide and position feedback structure by connecting line.
Specifically, the annular stator magnet steel in the present embodiment includes two linear stator magnet steel 6 and connection linear stator magnetic
Two arcuate stator magnet steel 5 of steel, the polarity of adjacent magnet steel is opposite in annular stator magnet steel.
Outer ring guide rail includes two outer ring arc-shaped guide rails 4 of two outer ring linear guides 8 and connection outer ring linear guide,
Inner ring guide rail includes two inner ring linear guides 7 and two inner ring arc-shaped guide rails 3 for connecting inner ring linear guide.
Specifically, bottom plate 2 is fixed in rack 1 by 14 bolts, need to ensure to connect fastening, to guarantee in motion process
It will not loosen.Guarantee phase when arcuate stator magnet steel 5 and linear stator magnet steel 6 being bolted on bottom plate 2, and being installed
Adjacent two magnet steel polarity are on the contrary, ensure the proper exercise of linear motor with this.It is above-mentioned after the assembly is completed, first by inner ring arc-shaped guide rail
3 and inner ring linear guide 7 be bolted on bottom plate 2, when installation, ensures inner ring arc-shaped guide rail 3 and inner ring linear guide 7
Junction is close and smooth, it is above-mentioned after the assembly is completed, then outer ring arc-shaped guide rail 4 and outer ring linear guide 8 be bolted
On a base plate 2, gone out to ensure that guide rail is completely embedded smoothly when installation, it is necessary to guarantee that outer ring arc-shaped guide rail 4 is led with inner ring arc
Rail 3 is concentric, outer ring linear guide 8 is parallel with inner ring linear guide 7, further ensures that smooth steady when slide 9 moves.
As shown in connection with fig. 2, the slide 9 in the present embodiment includes：
Outer ring guide rail slide block 17, outer ring slipper connecting plate 16, the outer ring crossed roller axis being successively installed on outer ring guide rail
Hold 15, guide rail mounting base 14, fine motion guide rail 13；
Inner ring guide rail slide block 22, inner ring slipper connecting plate 21, the inner ring crossed roller axis being successively installed on inner ring guide rail
Hold 20, connecting shaft 19；
It is installed on the installation cover board 12 of 19 top of fine motion guide rail 13 and connecting shaft；
It is installed on the electric mover 18 of 12 lower section of installation cover board, electric mover 18 is located at outer ring guide rail slide block 17 and inner ring is led
Between rail sliding block 22.
Specifically, inner ring guide rail slide block 22 and outer ring guide rail slide block 17 are respectively bolted to inner ring guide rail and outer ring is led
On rail, inner ring slipper connecting plate 21 and outer ring slipper connecting plate 16 are then separately fixed at inner ring guide rail slide block 22 by bolt
On outer ring guide rail slide block 17；It is above-mentioned after the assembly is completed, inner ring crossed roller bearing 20 and outer ring crossed roller bearing 15 are led to
It crosses bolt to be individually fixed on inner ring slipper connecting plate 21 and outer ring slipper connecting plate 16, need to ensure stable connection, and intersect rolling
Sub- bearing can rotate steadily, further guarantee that slide 9 being capable of proper exercise.It is above-mentioned after the assembly is completed, by 19 He of connecting shaft
Guide rail mounting base 14 is bolted on respectively on inner ring crossed roller bearing 20 and outer ring crossed roller bearing 15, then will be micro-
Dynamic guide rail 13 is bolted in guide rail mounting base 14, it is ensured that the steady fastening of installation.It is above-mentioned after the assembly is completed, by motor
Son 18 is bolted on installation cover board 12 lower section, and when installation guarantees connection fastening, with this come when guaranteeing motor operation just
Normal air gap；Then installation cover board 12 is bolted in connecting shaft 19 and fine motion guide rail 13 again.
When slide 9 is when the straightway of this circular line moves, the sliding block of fine motion guide rail 13 will not be relatively moved, inner ring
Crossed roller bearing 20 and outer ring crossed roller bearing 15 will not relative rotation；When slide 9 moves to segmental arc from straightway
When, since the linear velocity of inner ring and outer rings is different, inner ring crossed roller bearing 20 and outer ring crossed roller bearing 15 can generate phase
To rotation, fine motion guide rail 13 is used to absorb slide micro radial displacement, guarantees that slide 9 will not be stuck with this, it is ensured that just
Often operation passes through ring segment.
It is illustrated, in other embodiments also mountable multiple movers, that is, is installed by taking 1 slide as an example in the present embodiment
Multistation production can be realized in multiple slides 9.
Join shown in Fig. 3, the position feedback structure in the present embodiment includes：
The grating mounting plate 23 being installed below bottom plate；
The circular grating ruler 24 being installed on the inside of grating mounting plate, circular grating ruler 24 are vertically arranged with 2 lower surface of bottom plate；
It is installed on the reading head pinboard 26 of 9 side of slide；
The grating reading head 25 being fixedly installed on reading head pinboard 26, grating reading head 25 and circular grating ruler 24 it
Between have air gap.
Specifically, grating mounting plate 23 is bolted on the reverse side of bottom plate 2, and circular grating ruler 24 is pasted onto grating peace
The inside of loading board 23, it is ensured that firm pasting and mounting surface is vertical with 2 back side of bottom plate.It is above-mentioned after the assembly is completed, reading head is transferred
Plate 26 is bolted on 21 side of inner ring slipper connecting plate, and grating reading head 25 is then bolted on reading head
On pinboard 26, guarantee grating reading head 25 and 24 air gap of circular grating ruler in the normal range when installation, position is guaranteed with this
Set the accuracy of feedback.
Join shown in Fig. 4, the hollow conductive slip ring in the present embodiment includes：
The slip ring stator 32 being fixedly installed in slip ring fixing axle；
Around the slip-ring rotor 30 of slip ring stator rotation installation；
From the outwardly extending slip ring stator outlet 28 of slip ring stator；
From the outwardly extending slip-ring rotor outlet 29 of slip-ring rotor.
Preferably, slip ring stator outlet 28 is electrically connected by connecting line and external powering device and/or driver, slip ring
Rotor outgoing line 29 is electrically connected by connecting line with the electric mover in slide and/or the grating reading head in position feedback structure
It connects.
Specifically, slip ring fixed plate 27 is bolted on 1 bottom of rack, and slip ring fixing axle 11 is welded on slip ring and fixes
On plate 27, the slip ring stator 32 of slip ring fixing axle 11 and hollow conductive slip ring 10 is interference fitted and is connected, and with 4 fastening screws
31 hold out against, and guarantee not opposite sliding.Power cable and driver signal line are connected in slip ring stator outlet 28, by motor
Sub 18 cables and 25 feedback line of grating reading head are connected in slip-ring rotor outlet 29；When slide 9 moves, 18 line of electric mover
Cable and 25 feedback line of grating reading head drive slip-ring rotor 30 to rotate around slip ring stator 32, so as to realize the annular of slide 9
Shuttling movement.
Join shown in Fig. 5, the position feedback structure in the utility model second embodiment includes：
The circular grating ruler 24 being installed below bottom plate, circular grating ruler 24 are arranged in parallel with 2 lower surface of bottom plate；
It is installed on the reading head pinboard 26 of slide side；
The grating reading head 25 being fixedly installed on reading head pinboard 26, grating reading head 25 and circular grating ruler 24 it
Between have air gap.
Other structures in the present embodiment are identical with first embodiment, no longer repeated in detail herein.
Circular grating ruler grid 24 in the present embodiment are pasted onto the reverse side of bottom plate 2, guarantee that grating planar is parallel with base surface；
It is above-mentioned after the assembly is completed, reading head pinboard 26 is bolted on 21 side of inner ring slipper connecting plate, then by grating
Reading head 25 is bolted on reading head pinboard 26, guarantees grating reading head 25 and 24 gas of circular grating ruler when installation
Gap in the normal range, guarantees the accuracy of position feedback with this.
It is pasted on a base plate 2, is solved when slide 9 runs to platform arc using 24 plane of circular grating ruler in the present embodiment
When shape section, in fact it could happen that grating reading head and the unstable problem of grating scale air gap, so that platform runs more steady, positioning accurate
Du Genggao.
The innovation of the utility model is：
1, circular line is constituted according to ring-shaped guide rail, linear motor and hollow conductive slip ring, breaks through existing utilize and revolves
The problems such as rotating motor adds the limitation of transmission mechanism, solves slow speed, low-response, low precision；
2, closed loop feedback is carried out using circular grating ruler, greatly improves response speed, solves especially in annular producing line
Segmental arc accurate positioning problem.
As can be seen from the above technical solutions, the utility model has the following advantages that：
The utility model ring-shaped guide rail cooperation linear guide is installed on bottom plate, is driven using linear motor, is eliminated skin
The transmission mechanisms such as band, reduce accumulated error, improve the response speed and transmission accuracy of device；
The utility model ring segment and straightway use grating scale closed loop feedback position, further increase device positioning accurate
Degree；
The utility model solves the transmission of power supply line and signal wire using hollow conductive slip ring, realizes linear motor rotor
Annular shuttling movement.
In conclusion the application of the utility model will greatly facilitate the development of related fields.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of High Precision Linear Motor annular process units, which is characterized in that described device includes：
Rack and the bottom plate being fixedly installed in rack；
The annular stator magnet steel being fixedly installed on bottom plate；
It is fixedly installed on bottom plate and the outer ring guide rail that is located on the outside of annular stator magnet steel and is fixedly installed on bottom plate and position
Inner ring guide rail on the inside of annular stator magnet steel；
The slide being slidably mounted on outer ring guide rail and inner ring guide rail；
The position feedback structure being installed below bottom plate；
The hollow conductive slip ring for being fixedly installed in the slip ring fixing axle of bottom of the frame and being installed in the slip ring fixing axle,
The slip ring fixing axle and hollow conductive slip ring are located at the inner ring guide rail and enclose the space interior set, the hollow conductive slip ring point
It is not electrically connected with slide and position feedback structure by connecting line.
2. High Precision Linear Motor annular process units according to claim 1, which is characterized in that the annular stator magnetic
Ladle includes two linear stator magnet steel and connects two arcuate stator magnet steel of linear stator magnet steel, the annular stator magnet steel
In adjacent magnet steel polarity it is opposite.
3. High Precision Linear Motor annular process units according to claim 1, which is characterized in that the outer ring guide rail packet
It includes two outer ring linear guides and connects two outer ring arc-shaped guide rails of outer ring linear guide, the inner ring guide rail includes two
Inner ring linear guide and two inner ring arc-shaped guide rails for connecting inner ring linear guide.
4. High Precision Linear Motor annular process units according to claim 1, which is characterized in that the slide includes：
Outer ring guide rail slide block, outer ring slipper connecting plate, the outer ring crossed roller bearing, guide rail peace being successively installed on outer ring guide rail
Fill seat, fine motion guide rail；
Inner ring guide rail slide block, inner ring slipper connecting plate, the inner ring crossed roller bearing, connection being successively installed on inner ring guide rail
Axis；
The installation cover board being installed on above fine motion guide rail and connecting shaft；
The electric mover being installed below installation cover board, the electric mover be located at outer ring guide rail slide block and inner ring guide rail slide block it
Between.
5. High Precision Linear Motor annular process units according to claim 1 or 4, which is characterized in that the position is anti-
Presenting structure includes：
The grating mounting plate being installed below bottom plate；
The circular grating ruler being installed on the inside of grating mounting plate, the circular grating ruler are vertically arranged with lower surface of base plate；
It is installed on the reading head pinboard of slide side；
The grating reading head being fixedly installed on reading head pinboard has gas between the grating reading head and circular grating ruler
Gap.
6. High Precision Linear Motor annular process units according to claim 1 or 4, which is characterized in that the position is anti-
Presenting structure includes：
The circular grating ruler being installed below bottom plate, the circular grating ruler are arranged in parallel with lower surface of base plate；
It is installed on the reading head pinboard of slide side；
The grating reading head being fixedly installed on reading head pinboard has gas between the grating reading head and circular grating ruler
Gap.
7. High Precision Linear Motor annular process units according to claim 1, which is characterized in that the hollow conductive is sliding
Ring includes：
The slip ring stator being fixedly installed in slip ring fixing axle；
Around the slip-ring rotor of slip ring stator rotation installation；
From the outwardly extending slip ring stator outlet of slip ring stator；
From the outwardly extending slip-ring rotor outlet of slip-ring rotor.
8. High Precision Linear Motor annular process units according to claim 7, which is characterized in that the slip ring stator goes out
Line is electrically connected by connecting line and external powering device and/or driver, and the slip-ring rotor outlet passes through connecting line and cunning
Electric mover in seat and/or the grating reading head in position feedback structure are electrically connected.
9. High Precision Linear Motor annular process units according to claim 1, which is characterized in that the outer ring guide rail and
One or more slides are slidably fitted on inner ring guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730800.2U CN208158392U (en) | 2018-05-16 | 2018-05-16 | High Precision Linear Motor annular process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730800.2U CN208158392U (en) | 2018-05-16 | 2018-05-16 | High Precision Linear Motor annular process units |
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| Publication Number | Publication Date |
|---|---|
| CN208158392U true CN208158392U (en) | 2018-11-27 |
Family
ID=64387703
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820730800.2U Active CN208158392U (en) | 2018-05-16 | 2018-05-16 | High Precision Linear Motor annular process units |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365732A (en) * | 2018-05-16 | 2018-08-03 | 苏州大学 | High Precision Linear Motor annular process units |
| WO2021109293A1 (en) * | 2019-12-05 | 2021-06-10 | 歌尔股份有限公司 | Linear electric motor |
-
2018
- 2018-05-16 CN CN201820730800.2U patent/CN208158392U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365732A (en) * | 2018-05-16 | 2018-08-03 | 苏州大学 | High Precision Linear Motor annular process units |
| CN108365732B (en) * | 2018-05-16 | 2023-08-15 | 苏州大学 | High-precision linear motor annular production device |
| WO2021109293A1 (en) * | 2019-12-05 | 2021-06-10 | 歌尔股份有限公司 | Linear electric motor |
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Effective date of registration: 20210608 Address after: 215000 Room 305, building 2, Yangchenghu international science and Technology Pioneer Park, 116 Chengyang Road, Xiangcheng economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU LINEAR PRECISION DRIVE CONTROL TECHNOLOGY Co.,Ltd. Address before: 215104 No. 1188 Wuzhong Road, Wuzhong District, Suzhou, Jiangsu Patentee before: Suzhou University |