CN107177920B - A kind of Woven glass cloth for air-jet loom twists and knits shedding motion and method of work - Google Patents
A kind of Woven glass cloth for air-jet loom twists and knits shedding motion and method of work Download PDFInfo
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- CN107177920B CN107177920B CN201710640931.1A CN201710640931A CN107177920B CN 107177920 B CN107177920 B CN 107177920B CN 201710640931 A CN201710640931 A CN 201710640931A CN 107177920 B CN107177920 B CN 107177920B
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- China
- Prior art keywords
- shedding
- opening
- pin holder
- heald frame
- pin
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Classifications
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C5/00—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
Abstract
Twisted the present invention relates to a kind of Woven glass cloth for air-jet loom and knit shedding motion and method of work, including frame body, opening drive apparatus and traversing driving device are fixed with the frame body, the opening drive apparatus and traversing driving device are connected with Warp opening mechanism respectively, drive the movement of Warp opening mechanism, the opening drive apparatus and traversing driving device are connected with control system, receive the instruction that control system is sent, the invention also discloses the method for work of the device, opening drive apparatus and traversing driving device cooperatively form strand and knit wefting insertion shed open, the present invention, which can realize, makes air-jet loom weaving glass twist weaving, it is efficient, product quality is high, it is simple to convert fabric variety, it is convenient.
Description
Technical field
The present invention relates to technical field of textile machine, and in particular to a kind of Woven glass cloth for air-jet loom twists and knits opening
Device and method of work.
Background technology
Shuttleless loom generally has two kinds of loom forms of rapier loom and air-jet loom, and rapier loom is current using the most
Extensive shuttleless loom, in addition to having the characteristics that shuttleless loom high speed, high the degree of automation, high-effect production, its is positive for it
Filling insertion way has very strong varietal adaptation, adapts to the wefting insertion of all kinds of wefts, rapier loom is in more barry dyeing weaving sides in addition
Also there is obvious advantage in face, can produce the Yarn-dyed fabric of much 16 barry dyeing yarns, as shuttleless loom substitutes fly-shuttle loom, sword
Bar loom by as the main production machine of woven fabric, air-jet loom be using jet-stream wind weft traction pass through shed open without shuttle
Loom, uses air as wefting insertion medium, and producing frictional traction to weft yarn with the compressed air stream ejected draws, by latitude
Cotton yarn tape crosses shed open, existing glass twist woven fabric be it is woven on rapier loom, and rapier loom speed it is too slow (≤
130rpm), efficiency is too low, is not suitable for the development of present fast, economical, if using air-jet weaving, need to solve two technology difficulties
Topic：
1. reducing the fluffing of warp thread, that is, reduce friction of the warp thread with parts of weaving machines in weaving process to the greatest extent.
2. ensure top line under high-speed motion can accurate transverse shifting, formed strand knit.
The content of the invention
Twisted the object of the present invention is to provide a kind of Woven glass cloth for air-jet loom and knit shedding motion, improve existing strand
Shedding motion is knitted, traversing is carried out using electrical servo push rod, warp thread is gripped to replace heald or doup using needle plate, solves strand
The technical barrier applied on air-jet weaving is woven in, air-jet loom is weaved glass and twists weaving, to achieve these goals, this
Invention adopts the following technical scheme that：
A kind of Woven glass cloth for air-jet loom twists and knits shedding motion, including frame body, and opening is fixed with the frame body
Driving device and traversing driving device, the opening drive apparatus and traversing driving device are connected with Warp opening mechanism respectively,
The movement of Warp opening mechanism is driven, the opening drive apparatus and traversing driving device are connected with control system, receive control
The instruction that system is sent.
Further, the frame body includes left wallboard, right wallboard and the preceding underbeam for connecting left wallboard and right wallboard.The left side
The stent of construction opening driving device and traversing driving device is fixed with wallboard.
Further, the Warp opening mechanism includes first heald frame and second heald frame, first heald frame and second
Piece heald frame bottom is respectively fixed with two heald frame struts, and shedding foot and lower shedding foot, upper and lower shedding are connected with heald frame strut
Foot is fixedly connected by connecting rod with upper and lower shedding axis, and the both ends of upper and lower shedding axis are rotatable to be fixed on left and right wallboard.
Further, first heald frame lower end is fixed with lower pin holder, and pin of entrying is fixed with lower pin holder, described
Second heald frame upper end is fixed with linear bearing seat, and Linear bearing guide rail is equipped with linear bearing seat, Linear bearing guide rail
One end is fixed with guide groove, and pin holder is fixedly connected with the Linear bearing guide rail, is fixed with and wears on the upper pin holder
Yarn pin.
Further, the pin of entrying includes needle body and syringe needle, and the needle body is fixed on pin holder or lower pin holder,
Syringe needle is the bulge-structure of arc, and with hole of entrying.
Further, there is Vertical Channel in the guide groove.
Further, the opening drive apparatus includes main motor and transmission mechanism, and the transmission mechanism is passed including belt
Dynamic assembly, intermediate transmission assembly and eccentric ratio assembly, the main motor output shaft connect belt transmission assembly, are passed by belt
Dynamic assembly transfers power to intermediate transmission assembly, and intermediate transmission assembly drives the movement of eccentric ratio assembly.
Further, the eccentric ratio assembly has two sets, is distributed in the both sides of upper and lower shedding axis, drives respectively upper and lower
The movement of shedding axis, two sets of eccentric ratio assemblies include eccentric ratio, opening connecting bar and opening rocking bar, the eccentric ratio one
End is connected with intermediate transmission assembly, is rotated under the drive of intermediate transmission assembly, the eccentric ratio other end and opening connecting bar
Hinged, opening connecting bar is hinged with opening rocking bar, and opening rocking bar is fixedly connected with upper and lower shedding axis respectively, the movement for the rocking bar that is open
Drive the rotation of upper and lower shedding axis.
Further, the eccentric ratio length is 32mm, is 189mm with upper shedding axis connection opening rocking bar length, with
The opening rocking bar length of lower shedding axis connection is 183mm.
Further, the traversing driving device is an electronic-servo push-rod, its push rod shaft end is provided with ball axis
Hold, in the Vertical Channel of the ball bearing insertion guide groove.
Further, the controller of the control system is electrically connected with electronic-servo push-rod and main motor respectively, control electricity
The work of the actuating length and main motor of dynamic-servo push-rod.
Twisted the invention also discloses a kind of Woven glass cloth for air-jet loom knit shedding motion method of work include with
Lower step：
(1) row's warp thread is fixed on the entrying on pin of upper pin holder by by hole of entrying, and row's warp thread is fixed on knit stitch
Panel seat is entried on pin.
(2) starts main motor by control system and electronic-servo push-rod acts, and eccentric ratio rotates, and drives upper and lower
The rotation of shedding axis, upper and lower shedding axis rotates the up and down motion for driving upper and lower shedding foot, and then is driven by heald frame supporting rod
First heald frame and second heald frame move up and down, upper and lower needle plate bearing entry pin disengage when, upper supporting plate seat it is electronic-
Side-to-side movement is carried out under the action of servo push-rod, is knitted so that two warp thread form strand, upper and lower pin holder moves to pin weight of entrying
Shed open is formed during conjunction and carries out wefting insertion.
Advantageous effect of the invention：
The Woven glass cloth of the present invention twists and knits shedding motion, and can realize makes air-jet loom weaving glass twist weaving, with arrow shaft
The strand of loom is knitted shedding motion and is compared, and improves speed up to more than 3 times, remains able to work normally when speed is more than 400rpm,
And ensure that woven product is treated, using electronic-servo push-rod, can arbitrarily set the traversing distance of pin holder, conversion is knitted
Article kind simply, conveniently, improves work efficiency.
Brief description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are used to explain the application, do not form the restriction to the application.
Fig. 1 is main structure diagram of the present invention；
Fig. 2 is side structure schematic view of the present invention；
Fig. 3 is pin holder and pin assembling schematic front view of above entrying in the present invention；
Fig. 4 is pin holder and pin assembling schematic side view of above entrying in the present invention；
Fig. 5 is the strand woven fabric schematic diagram produced using apparatus of the present invention；
Wherein：1. left wallboard, 2. right wallboards, 3. stents one, 4. stents two, 5. first heald frames, 6. second heald frames, 7.
Heald frame supporting rod one, 8. heald frame supporting rods two, shedding foot on 9., 10. connecting shafts, 11. connecting rods, shedding axis on 12., under 13.
Shedding foot, 14. times pin holders, 15. linear bearing seats, 16. Linear bearing guide rails, 17. guide grooves, 171. Vertical Channels, on 18.
Pin holder, pin of entrying on 19., 191. needle bodies, 192. syringe needles, 193. entry hole, 20. mounting holes, 21. main motors, and 22. belts pass
Dynamic assembly, 221. driving pulleys, 222. driven pulleys, 223. belt transmission assembly output shafts, 23. eccentric ratio assemblies one, 24.
Eccentric ratio assembly two, 231. eccentric ratios, 232. opening connecting bars, 233. opening rocking bars, 25. electronic-servo push-rods, 251. push away
Bar axis, pin of entrying under 26., underbeam before 27., 28. times shedding axis, 29. ball bearings.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in Figs 1-4, a kind of Woven glass cloth for air-jet loom twists and knits shedding motion, including frame body, the frame body
On be fixed with opening drive apparatus and traversing driving device, the opening drive apparatus and traversing driving device are opened with warp thread respectively
Mouth mechanism connects, the movement of driving Warp opening mechanism, and the opening drive apparatus and traversing driving device connect with control system
Connect, receive the instruction that control system is sent.
The frame body includes left wallboard 1, right wallboard 2 and the preceding underbeam 27 for connecting left wallboard and right wallboard.The left wallboard
On be fixed with construction opening driving device stent 1 and install traversing driving device stent 24.
The Warp opening mechanism includes first heald frame 5 and second heald frame 6, and first 5 lower end of heald frame fixes two
Heald frame supporting rod 1, is connected with shedding foot 9 on heald frame strut one, specifically, heald frame supporting rod 1 is fixed with connecting shaft 10,
Connecting shaft 10 is slidably mounted in shedding foot 9, and upper shedding foot 9 is fixedly connected by connecting rod 11 with upper shedding axis 12,
Upper 12 both ends of shedding axis are rotatably mounted on left and right wallboard, and when upper shedding axis 12 rotates, shedding foot 9 is transported upwards in drive
Dynamic, connecting shaft 10 drives heald frame supporting rod 1, and movement, slip of the connecting shaft 10 in upper shedding foot 9 can ensure heald frame branch upwards
Strut 1 moves up and down to be vertical.Two heald frame struts 28 are fixed in second 6 bottom of heald frame respectively, connect on heald frame supporting rod two
Lower shedding foot 13 is connected to, it is comprehensive that lower shedding foot 13 drives the vertical principle that moves up and down of heald frame supporting rod 28 to be driven with upper shedding foot 9
The principle that frame supporting rod 1 moves up and down vertically is identical.
First heald frame, 5 lower end has been bolted lower pin holder 14, is fixed with down and entrys on lower pin holder 14
Second 6 upper end of heald frame is fixed with linear bearing seat 15 described in pin 26, and Linear bearing guide rail 16 is equipped with linear bearing seat 15,
Linear bearing guide rail 16 can be free to slide along linear bearing seat 15, and one end of Linear bearing guide rail 16 is fixed with guide groove 17, institute
Stating has Vertical Channel 171 in guide groove 17, one end of the guide groove 17 and Linear bearing guide rail 16 is bolted company
Connect, pin holder 18 has been bolted to connection on the Linear bearing guide rail 16, has been fixed with the upper pin holder 18
Entry pin 19.The upper pin holder 18 and lower pin holder 14 are bending structure, are illustrated exemplified by above pin holder, upper needle plate
There is mounting hole 20, the mounting hole both ends are arc, middle part on the face that is contacted with Linear bearing guide rail of bending structure in seat
For rectangle, mounting hole uses the distance between this structure type, conveniently adjusted two neighboring upper pin holder.The lower pin holder
14 is identical with upper 18 structure type of pin holder.
Pin 19 of entrying on described includes needle body 191 and syringe needle 192, and the needle body 191 is fixed on pin holder 18, syringe needle
192 be the bulge-structure of arc, and with hole 193 of entrying.19 structure type of pin of entrying on described pin 26 of entrying with is identical.
The opening drive apparatus includes main motor 21 and transmission mechanism, and the transmission mechanism includes belt transmission assembly
22nd, intermediate transmission assembly (since blocking for right wallboard does not mark in figure) and eccentric ratio assembly 1 and eccentric ratio assembly
2 24, the main motor 21 exports the driving pulley 221 of axis connection belt transmission assembly, and driven pulley 222 drives belt transmission
Assembly output shaft 223 rotates, and input shaft of the belt transmission assembly output shaft as intermediate transmission assembly, transfers power to centre
Drive assembly, intermediate transmission assembly drive the fortune of eccentric ratio drive assembly 1 and eccentric ratio drive assembly 2 24 respectively
It is dynamic.
The eccentric ratio assembly 1 includes eccentric ratio 231, opening connecting bar 232 and opening rocking bar 233, the bias
231 one end of connecting rod and the output axis connection of intermediate transmission assembly, rotate, the eccentric ratio under the drive of intermediate transmission assembly
231 other ends are hinged with opening connecting bar 232, and opening connecting bar 232 is hinged with opening rocking bar 233, opening rocking bar 233 and upper shedding axis
12 are fixedly connected, and the rotation of eccentric ratio 231 can drive the rotation of shedding axis 12.The structure of the eccentric ratio assembly 2 24
Form is identical with eccentric ratio assembly one, and eccentric ratio assembly two drives the rotation of lower shedding axis 28.
The eccentric ratio length of the eccentric ratio assembly one and eccentric ratio assembly two is kept to 32mm by 50mm, and bias is even
The opening rocking bar length of bar assembly one is 189mm, and the opening rocking bar length of eccentric ratio assembly two is 183mm, by bias
The reduction of length of connecting rod and opening rocking bar length recalculate design, Warp opening amount is reduced to 46mm by 70mm, reduce
The amount of tension of warp thread, reduces broken yarn or fluffing.
The traversing driving device is an electronic-servo push-rod 25, its 251 end of push rod shaft is provided with ball bearing 29,
In the Vertical Channel 171 of the ball bearing insertion guide groove 17, ball bearing can realize that push rod shaft end exists with guide groove
The relative motion of vertical direction, push rod shaft end promote guide groove 17, it is possible to achieve guide groove 17, Linear bearing guide rail 16, on
Pin holder 18 and on entry the left and right traversing of pin 19.
Narration is partly not the existing structure of existing weaving machine twisted textile shedding motion to the present invention in detail.
The invention also discloses the method for work that a kind of Woven glass cloth strand for air-jet loom knits shedding motion, including with
Lower step：
(1) row's warp thread is fixed on the entrying on pin of upper pin holder by by hole of entrying, and row's warp thread is fixed on knit stitch
Panel seat is entried on pin.
(2) starts main motor by control system and electronic-servo push-rod acts, and the eccentric of eccentric ratio assembly one connects
Bar rotates, and the rotation of shedding axis in drive, upper shedding axis drives the up and down motion of upper shedding foot, and heald frame supporting rod one passes through connection
The fit form of axis and upper shedding foot ensure that heald frame supporting rod one moves in vertical direction, the movement shape of heald frame supporting rod two
Formula is identical with one forms of motion of heald frame supporting rod, and heald frame supporting rod one and heald frame supporting rod two drive first heald frame and respectively
The up and down motion of two heald frames, and then the movement of upper and lower needle plate bearing and upper and lower pin of entrying is driven, upper and lower needle plate bearing is worn
When yarn pin disengages, electronic-servo push-rod promotes guide groove movement, and then promotes Linear bearing guide rail horizontal along linear bearing seat seat
Movement, the upper pin holder of drives and on entry the transverse movement of pin so that two warp thread formation strands are knitted, upper and lower pin holder moves
Shed open, which is formed, when being overlapped to pin of entrying carries out wefting insertion.Formation twists woven fabric as shown in figure 5, the action profit of electronic-servo push-rod
It is adjusted with control system, can arbitrarily sets the size of traversing, is more convenient to change the kind of fabric.
Although above-mentioned be described the embodiment of the present invention with reference to attached drawing, model not is protected to the present invention
The limitation enclosed, those skilled in the art should understand that, on the basis of technical scheme, those skilled in the art are not
Need to make the creative labor the various modifications that can be made or deformation still within protection scope of the present invention.
Claims (9)
1. a kind of Woven glass cloth for air-jet loom twists and knits shedding motion, it is characterised in that solid on the frame body including frame body
Surely have opening drive apparatus and a traversing driving device, the opening drive apparatus and traversing driving device respectively with Warp opening machine
Structure connects, and the movement of driving Warp opening mechanism, the opening drive apparatus and traversing driving device are connected with control system, connect
Receive the instruction that control system is sent；
The frame body includes left wallboard, right wallboard and the preceding underbeam for connecting left wallboard and right wallboard, is fixed with the left wallboard
The stent of construction opening driving device and traversing driving device；
The Warp opening mechanism includes first heald frame and second heald frame, first heald frame and second heald frame bottom difference
Two heald frame struts are fixed with, upper and lower shedding foot is connected with heald frame strut, upper and lower shedding foot is carried by connecting rod with upper and lower
Comprehensive axis is fixedly connected, and the both ends of upper and lower shedding axis are rotatable to be fixed on left and right wallboard.
2. a kind of Woven glass cloth for air-jet loom as claimed in claim 1 twists and knits shedding motion, it is characterised in that described
First heald frame lower end is fixed with lower pin holder, and pin of entrying is fixed with lower pin holder, and second heald frame upper end is fixed with
Linear bearing seat, is equipped with Linear bearing guide rail in linear bearing seat, one end of Linear bearing guide rail is fixed with guide groove, described
Pin holder is fixedly connected with Linear bearing guide rail, pin of entrying is fixed with the upper pin holder.
3. a kind of Woven glass cloth for air-jet loom as claimed in claim 2 twists and knits shedding motion, it is characterised in that described
Pin of entrying includes needle body and syringe needle, and the needle body is fixed on pin holder or lower pin holder, and syringe needle is the bulge-structure of arc,
And with hole of entrying.
4. a kind of Woven glass cloth for air-jet loom as claimed in claim 2 twists and knits shedding motion, it is characterised in that described
There is Vertical Channel in guide groove.
5. a kind of Woven glass cloth for air-jet loom as claimed in claim 1 twists and knits shedding motion, it is characterised in that described
Opening drive apparatus includes main motor and transmission mechanism, the transmission mechanism include belt transmission assembly, intermediate transmission assembly and
Eccentric ratio assembly, the main motor output shaft connects belt transmission assembly, in being transferred power to by belt transmission assembly
Between drive assembly, intermediate transmission assembly drives the movement of eccentric ratio assembly.
6. a kind of Woven glass cloth for air-jet loom as claimed in claim 5 twists and knits shedding motion, it is characterised in that described
Eccentric ratio assembly has two sets, is distributed in the both sides of upper and lower shedding axis, drives the movement of upper and lower shedding axis respectively, and two sets eccentric
Connecting rod ASSY includes eccentric ratio, opening connecting bar and opening rocking bar, described eccentric ratio one end and is connected with intermediate transmission assembly,
Rotated under the drive of intermediate transmission assembly, the eccentric ratio other end is hinged with opening connecting bar, and opening connecting bar shakes with opening
Bar is hinged, and opening rocking bar is fixedly connected with upper and lower shedding axis.
7. a kind of Woven glass cloth for air-jet loom as claimed in claim 6 twists and knits shedding motion, it is characterised in that described
Eccentric ratio length is 32mm, and the opening rocking bar length with upper shedding axis connection is 189mm, is shaken with the opening of lower shedding axis connection
Pole length is 183mm.
8. a kind of Woven glass cloth for air-jet loom as claimed in claim 4 twists and knits shedding motion, it is characterised in that described
The Vertical Channel of guide groove has been embedded in ball bearing, and the ball bearing is installed in the traversing driving device, the horizontal stroke
Dynamic driving device is an electronic-servo push-rod, and the ball bearing is installed on the push rod shaft end of electronic-servo push-rod.
9. a kind of Woven glass cloth for air-jet loom twists the method for work for knitting shedding motion, it is characterised in that including following step
Suddenly：
(1) row's warp thread is fixed on the entrying on pin of upper pin holder by hole of entrying, row's warp thread is fixed on lower pin holder
Entry on pin；
(2) main motor is started by control system and electronic-servo push-rod acts, eccentric ratio rotates, and drives upper and lower shedding
The rotation of axis, upper and lower shedding axis rotates the up and down motion for driving upper and lower shedding foot, and then drives first by heald frame supporting rod
Piece heald frame and second heald frame move up and down, when the pin of entrying of upper pin holder and lower pin holder disengages, upper pin holder it is electronic-
Side-to-side movement is carried out under the action of servo push-rod, is knitted so that two warp thread form strand, upper pin holder and lower pin holder move to
Shed open is formed when pin of entrying overlaps and carries out wefting insertion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710640931.1A CN107177920B (en) | 2017-07-31 | 2017-07-31 | A kind of Woven glass cloth for air-jet loom twists and knits shedding motion and method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710640931.1A CN107177920B (en) | 2017-07-31 | 2017-07-31 | A kind of Woven glass cloth for air-jet loom twists and knits shedding motion and method of work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107177920A CN107177920A (en) | 2017-09-19 |
| CN107177920B true CN107177920B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710640931.1A Active CN107177920B (en) | 2017-07-31 | 2017-07-31 | A kind of Woven glass cloth for air-jet loom twists and knits shedding motion and method of work |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829191A (en) * | 2017-12-26 | 2018-03-23 | 聊城由甲纺织机械有限公司 | A kind of harness frame in aweaving machine provided with transverse moving mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2661724Y (en) * | 2003-08-04 | 2004-12-08 | 南海市西樵俊兴纺机制造厂 | Winding weave rapier glass fiber machine |
| CN201125302Y (en) * | 2007-11-24 | 2008-10-01 | 王志坚 | Glass fiber weaving machine twisted textile cam shedding opening mechanism |
| CN201125304Y (en) * | 2007-11-23 | 2008-10-01 | 王志坚 | Heald frame special for glass fiber weaving machine twisted textile |
| CN204356475U (en) * | 2014-10-29 | 2015-05-27 | 江苏九鼎新材料股份有限公司 | A kind of institutional framework of novel glass fiber grey cloth |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2772791B1 (en) * | 1997-12-24 | 2000-01-28 | Staubli Sa Ets | ELECTRIC ROTARY ACTUATOR FOR CROWD FORMATION ON WEAVING MATERIAL, WEAVING MECHANICS AND WEAVING MATERIAL |
-
2017
- 2017-07-31 CN CN201710640931.1A patent/CN107177920B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2661724Y (en) * | 2003-08-04 | 2004-12-08 | 南海市西樵俊兴纺机制造厂 | Winding weave rapier glass fiber machine |
| CN201125304Y (en) * | 2007-11-23 | 2008-10-01 | 王志坚 | Heald frame special for glass fiber weaving machine twisted textile |
| CN201125302Y (en) * | 2007-11-24 | 2008-10-01 | 王志坚 | Glass fiber weaving machine twisted textile cam shedding opening mechanism |
| CN204356475U (en) * | 2014-10-29 | 2015-05-27 | 江苏九鼎新材料股份有限公司 | A kind of institutional framework of novel glass fiber grey cloth |
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| CN107177920A (en) | 2017-09-19 |
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Effective date of registration: 20181213 Address after: 266000 No. 187 Wangtai Road, Wangtai Town, Huangdao District, Qingdao City, Shandong Province Patentee after: Qingdao Xingze Electromechanical Technology Co., Ltd. Address before: 266000 Wangtai Town, Qingdao City, Shandong Province Patentee before: Qingdao Tongchun Oil Instrument Co., Ltd. |