CN104511752B - Console mode horizontal Machining centers ram - Google Patents
Console mode horizontal Machining centers ram Download PDFInfo
- Publication number
- CN104511752B CN104511752B CN201410799668.7A CN201410799668A CN104511752B CN 104511752 B CN104511752 B CN 104511752B CN 201410799668 A CN201410799668 A CN 201410799668A CN 104511752 B CN104511752 B CN 104511752B
- Authority
- CN
- China
- Prior art keywords
- gear
- box
- main spindle
- ram
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
Abstract
The present invention discloses a kind of console mode horizontal Machining centers ram, including main spindle box, gear-box and counterweight, the counterweight is integral type structure with the main spindle box, the gear-box mounting groove for installing the gear-box is provided between the main spindle box and the counterweight, the side of the close main spindle box of the gear-box mounting groove is provided with the through hole for being connected with the main spindle box, the both sides up and down of the gear-box are provided with upper sliding rail and lower slider track for making the ram be slided in slide rail, the upper sliding rail is different in the thickness perpendicular to plane where the slide rail from the lower slider track, upper sliding rail is in Different Plane formation triangular structure with the lower slider track, the stress performance of ram can effectively be strengthened.
Description
Technical field
The present invention relates to machining technology field, more particularly to a kind of console mode horizontal Machining centers ram.
Background technology
With the continuous progress of mechanical manufacturing technology, machined part becomes increasingly complex, while accessory size is also increasingly
Greatly, what traditional machining equipment had has good machining accuracy, but its sphere of action and limited load bearing capacities are difficult
To process large scale, heavy weight workpiece.Some equipment can realize the processing to large scale, heavy weight workpiece, but add
Work precision is not high, it is difficult to realize Precision Machining.
Therefore traditional machining equipment is difficult to the demand for meeting work pieces process in some fields, needs a kind of pin of offer badly
To the high-precision process equipment of large-scale workpiece.Ram is as the mounting structure of Cutters In Mc, and its precision determined in processing
The overall processing precision of the heart, therefore a kind of high-precision, high stress performance ram of design is the technical problem of current urgent need to resolve.
The content of the invention
Present invention solves the technical problem that being:By designing a kind of console mode horizontal Machining centers ram, existing skill is solved
Problem present in art.
For up to this purpose, the present invention uses following technical scheme:
A kind of console mode horizontal Machining centers ram, including main spindle box, gear-box and counterweight, the counterweight and institute
Main spindle box is stated for integral type structure, the gear for installing the gear-box is provided between the main spindle box and the counterweight
Case mounting groove, the side of the close main spindle box of the gear-box mounting groove was provided with for leading to for being connected with the main spindle box
Hole, the both sides up and down of the main spindle box are provided with for making the upper sliding rail and lower slider that the ram slides in slide rail
Track, the upper sliding rail is different in the thickness perpendicular to plane where the slide rail from the lower slider track.
As a kind of optimal technical scheme of console mode horizontal Machining centers ram, the upper sliding rail is perpendicular to institute
The thickness of plane is more than the thickness of the lower slider track where stating slide rail, or, the lower slider track is perpendicular to the cunning
The thickness of plane is more than the thickness of the upper sliding rail where rail.
As a kind of optimal technical scheme of console mode horizontal Machining centers ram, away from the gear in the main spindle box
One end of case is provided with main shaft, and the main shaft connects spindle servo electric machine by the gear drive in the gear-box.
As a kind of optimal technical scheme of console mode horizontal Machining centers ram, what is be parallel to each other in the gear-box sets
The first power transmission shaft, second driving shaft and the 3rd power transmission shaft are equipped with, first power transmission shaft connects the spindle servo electric machine
Output end, the 3rd power transmission shaft connects the main shaft.
It is used as a kind of optimal technical scheme of console mode horizontal Machining centers ram, first power transmission shaft, described second
The first travelling gear, the second travelling gear and the 3rd driving cog are respectively arranged with power transmission shaft and the 3rd power transmission shaft
Wheel, first travelling gear, second travelling gear and the 3rd travelling gear are arranged according to the form of deceleration.
It is rectangle knot outside the main spindle box as a kind of optimal technical scheme of console mode horizontal Machining centers ram
Structure, is internally provided with circular arc gusset, and the main shaft installing space of arc-shaped is internally formed in the main spindle box, and the main shaft is installed
In the main shaft installing space.
As a kind of optimal technical scheme of console mode horizontal Machining centers ram, shaft coupling is provided with the main spindle box
Device, is attached between the main shaft and the 3rd power transmission shaft by the shaft coupling.
As a kind of optimal technical scheme of console mode horizontal Machining centers ram, on the 3rd power transmission shaft, and it is located at
The core-regulating mechanism for the 3rd rotating shaft position described in dynamic regulation is provided between 3rd travelling gear and the shaft coupling.
As a kind of optimal technical scheme of console mode horizontal Machining centers ram, the core-regulating mechanism includes and the master
The core-regulating mechanism mounting bracket that the inwall of axle box is fixedly connected, and it is arranged on the core-regulating mechanism mounting bracket and the 3rd transmission
Self-aligning bearing between axle.
As a kind of optimal technical scheme of console mode horizontal Machining centers ram, the gear-box is interior and positioned at the tooth
The constant temperature thin oil spray lubrication device for lubricating the gear-box internal gear is provided with the top of roller box, the counterweight
Bottom is provided with the Lubricating oil tank being connected with the gear-box.
Beneficial effects of the present invention are:Ram in the technical program has higher machining accuracy, Stability Analysis of Structures, stress
The characteristics of performance is good.Upper sliding rail is in Different Plane formation triangular structure with the lower slider track, can be effective
Strengthen the stress performance of ram, being provided with core-regulating mechanism can prevent main shaft tail whipping from influenceing machining accuracy, be provided with constant temperature
Thin oil spray lubrication device, can cool, it is ensured that its long-term stable operation for gear-box in time.
Brief description of the drawings
The present invention is described in further detail below according to drawings and examples.
Fig. 1 is console mode horizontal Machining centers front view described in the embodiment of the present invention.
Fig. 2 is console mode horizontal Machining centers top view described in the embodiment of the present invention.
Fig. 3 is console mode horizontal Machining centers side view described in the embodiment of the present invention.
Fig. 4 is console mode horizontal Machining centers ram sectional side view described in the embodiment of the present invention.
Fig. 5 is console mode horizontal Machining centers ram cutaway top view described in the embodiment of the present invention.
Fig. 6 is console mode Horizontal machining center column dimensional structure diagram described in the embodiment of the present invention.
In figure:
1st, Cutting tool installation manner platform;2nd, workpiece mounting platform;3rd, fixed seat;4th, workbench;5th, column;6th, ram;7th, main shaft;
8th, main spindle box;9th, gear-box;10th, counterweight;11st, upper sliding rail;12nd, lower slider track;13rd, spindle servo electric machine;14th,
One power transmission shaft;15th, second driving shaft;16th, the 3rd power transmission shaft;17th, shaft coupling;18th, core-regulating mechanism;19th, constant temperature thin oil spray profit
Sliding device;20th, Lubricating oil tank;21st, gravity balance device;22nd, column sliding block;23rd, column slide rail;24th, reinforcement;25th, put down
Weigh wheel group;26th, balancing weight;27th, circulating cooling system;28th, active station;29th, guidance panel;30th, chip removal system;31st, screw rod is arranged
Consider device to be worth doing;32nd, chip leading plate.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
As shown in figs. 1 to 6, in the present embodiment, a kind of console mode horizontal Machining centers of the invention, including be arranged side by side
And be separately mounted to the Cutting tool installation manner platform 1 and workpiece mounting platform 2 on ground, workpiece mounting platform 2 include fixed seat 3 and
Be arranged on it is horizontally disposed on the workbench 4 in fixed seat 3, Cutting tool installation manner platform 1 have the first moving track, the first movement
Column 5 is vertically installed with track, column 5 can be slided along the first moving track, is provided with and is hung down with the first moving track on column 5
The ram 6 for installing main shaft 7 is provided with the second straight moving track, the second moving track, main shaft 7 is arranged in ram 6,
The axis direction of main shaft 7 is simultaneously vertical with direction where the first moving track and the second moving track.
Specific ram 6 includes main spindle box 8, gear-box 9 and counterweight 10, and counterweight 10 is integral type with main spindle box 8
Structure, is provided with the gear-box mounting groove for installing gear-box 9 between main spindle box 8 and counterweight 10, gear-box mounting groove
The side of main spindle box 8 is provided with the through hole for being connected with main spindle box 8, the both sides up and down of main spindle box 8 are provided with for making
Upper sliding rail 11 and lower slider track 12 that ram 6 is slided in slide rail, upper sliding rail 11 exist with lower slider track 12
Thickness perpendicular to plane where slide rail is different.
Upper sliding rail 11 is more than the thickness of lower slider track 12 in the thickness of the plane where slide rail in the present embodiment
Degree.
Certainly in other embodiments, lower slider track 12 can also be more than upper in the thickness of the plane where slide rail
The thickness of sliding rail 11.
One end away from gear-box 9 is provided with main shaft 7 in main spindle box 8, and main shaft 7 is connected by the gear drive in gear-box 9
Connect spindle servo electric machine 13.What is be parallel to each other in gear-box 9 is provided with the first power transmission shaft 14, the biography of second driving shaft 15 and the 3rd
Moving axis 16, the first power transmission shaft 14 connects the output end of spindle servo electric machine 13, the 3rd power transmission shaft 16 connection main shaft 7.First transmission
The first travelling gear, the second travelling gear and are respectively arranged with axle 14, second driving shaft 15 and the 3rd power transmission shaft 16
Three travelling gears, the first travelling gear, the second travelling gear and the 3rd travelling gear are arranged according to the form of deceleration.
The outside of main spindle box 8 is rectangular configuration, is internally provided with circular arc gusset, arc-shaped is internally formed in main spindle box 8
Main shaft installing space, main shaft 7 is arranged in main shaft installing space.Shaft coupling 17 is provided with main spindle box 8, main shaft 7 and the 3rd is passed
It is attached between moving axis 16 by shaft coupling 17.On 3rd power transmission shaft 16, and positioned at the 3rd travelling gear and shaft coupling 17 it
Between be provided with core-regulating mechanism 18 for the rotating shaft position of dynamic regulation the 3rd.
Core-regulating mechanism 18 includes the core-regulating mechanism mounting bracket being fixedly connected with the inwall of main spindle box 8, and is arranged on aligning
Self-aligning bearing between mechanism mounting bracket and the 3rd power transmission shaft 16.
The constant temperature thin oil spray for the internal gear of lubrication gear box 9 is provided with gear-box 9 and positioned at the top of gear-box 9
Lubricating arrangement 19 is drenched, the bottom of counterweight 10 is provided with the Lubricating oil tank 20 being connected with gear-box 9.
The bottom of column 5 is provided with column sliding block 22, and column 5 is slidably mounted on the first moving rail by column sliding block 22
On road.
Specifically, column 5 includes being used for connecting sliding rail so that the column first end of the whole slide of column 5, and and column
The relative end of column second of first end, column 5 is in rectangular configuration, column 5 a side external surface from column first end to column
Second end, which is extended, two column slide rails 23 being parallel to each other, and two column slide rails 23 protrude from the distance of its place plane
It is different.
Two column slide rails 23 are set to protrude from mounting surface apart from different structures so that form three when installing ram 6
Angular structure, improves the stability that ram 6 is installed, and increases weight capacity.
Column 5 is that the cellular reinforcement 24 for strengthening the intensity of column 5 is provided with hollow structure, the inwall of column 5;
Column 5 is internally provided with the gravity balance device 21 for balancing the weight on column slide rail.
Gravity balance device 21 includes being arranged on the stabilizer group 25 at the top of column 5, and around being located in stabilizer group 25
Weight on the difference connecting sliding rail of two ends and the draw-gear with the balancing weight 26 of weight balanced.Stabilizer group 25 is wrapped
Include wheel group mounting bracket and be arranged on two rotating wheels at wheel group mounting bracket two ends.Two rotating wheels are located in same level.Yu Ben
Draw-gear uses driving-chain in embodiment.
The outer surface of column 5 is simultaneously located remotely from the side of column slide rail 23 and is provided with circulating cooling system 27.
The top of column 5 is provided with the bascule protective cover for protecting gravity balance device 21.Bascule is protected
The opening that can pass through draw-gear is provided with cover towards the side of column slide rail 23.
Column 5 is fixedly mounted on one end of column sliding block 22, and the other end of column sliding block 22 is installed with active station 28,
Guidance panel 29 is provided with active station 28.
It is provided with workpiece mounting platform 2 and is provided with use for preventing from processing at the top of the protective cover that scrap splashes, protective cover
In the hoisting port of lifting workpiece.Chip removal system 30 is provided between Cutting tool installation manner platform 1 and workpiece mounting platform 2.
Chip removal system 30 includes leading for screw rod chip removal device 31 and connecting screw rod chip removal device 31 and workpiece mounting platform 2
Consider plate 32 to be worth doing, the place plane of screw rod chip removal device 31 is less than the place plane of workpiece mounting platform 2.
Active station 28 has the protective cover of surrounding and top seal, and protective cover is made of transparent material, remote in protective cover
Side from workpiece mounting platform 2 is provided with opening for passing in and out active station 28.It is provided with opening for attended operation station
28 with the cat ladder on ground.
In description herein, it is to be understood that term " on ", " under ", etc. orientation or position relationship be based on accompanying drawing
Shown orientation or position relationship, are for only for ease of description and simplify operation, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second ", " the 3rd ", are used only for being distinguish between in description, not special implication.
It is to be understood that, above-mentioned embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason, in technical scope disclosed in this invention, change that any one skilled in the art is readily apparent that or
Replace, should all cover within the scope of the present invention.
Claims (9)
1. a kind of console mode horizontal Machining centers ram, it is characterised in that described including main spindle box, gear-box and counterweight
Counterweight is integral type structure with the main spindle box, is provided between the main spindle box and the counterweight for installing the tooth
The gear-box mounting groove of roller box, the gear-box mounting groove is provided with close to the side of the main spindle box to be used for and the main spindle box
The through hole of connection, the both sides up and down of the main spindle box be provided with for make the upper sliding rail that the ram is slided in slide rail with
And lower slider track;The upper sliding rail is more than the lower slider track in the thickness perpendicular to plane where the slide rail
Thickness, or, the lower slider track are more than the thickness of sliding rail on described in the thickness of the plane where the slide rail.
2. console mode horizontal Machining centers ram according to claim 1, it is characterised in that away from institute in the main spindle box
The one end for stating gear-box is provided with main shaft, and the main shaft connects spindle servo electric machine by the gear drive in the gear-box.
3. console mode horizontal Machining centers ram according to claim 2, it is characterised in that mutually put down in the gear-box
Capable is provided with the first power transmission shaft, second driving shaft and the 3rd power transmission shaft, and first power transmission shaft connects the main axle servo
The output end of motor, the 3rd power transmission shaft connects the main shaft.
4. console mode horizontal Machining centers ram according to claim 3, it is characterised in that first power transmission shaft, institute
State and be respectively arranged with the first travelling gear, the second travelling gear and the 3rd biography on second driving shaft and the 3rd power transmission shaft
Moving gear, first travelling gear, second travelling gear and the 3rd travelling gear according to deceleration form cloth
Put.
5. console mode horizontal Machining centers ram according to claim 4, it is characterised in that be square outside the main spindle box
Shape structure, is internally provided with circular arc gusset, and the main shaft installing space of arc-shaped, the main shaft are internally formed in the main spindle box
In the main shaft installing space.
6. console mode horizontal Machining centers ram according to claim 5, it is characterised in that be provided with the main spindle box
Shaft coupling, is attached between the main shaft and the 3rd power transmission shaft by the shaft coupling.
7. console mode horizontal Machining centers ram according to claim 6, it is characterised in that on the 3rd power transmission shaft,
And it is driven shaft position for the described in dynamic regulation the 3rd positioned at being provided between the 3rd travelling gear and the shaft coupling
Core-regulating mechanism.
8. console mode horizontal Machining centers ram according to claim 7, it is characterised in that the core-regulating mechanism include with
The core-regulating mechanism mounting bracket that the inwall of the main spindle box is fixedly connected, and it is arranged on the core-regulating mechanism mounting bracket and described the
Self-aligning bearing between three power transmission shafts.
9. console mode horizontal Machining centers ram according to claim 8, it is characterised in that the gear-box is interior and is located at
The constant temperature thin oil spray lubrication device for lubricating the gear-box internal gear is provided with the top of the gear-box, it is described to match somebody with somebody
The bottom of heavy mail is provided with the Lubricating oil tank being connected with the gear-box.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410799668.7A CN104511752B (en) | 2014-12-19 | 2014-12-19 | Console mode horizontal Machining centers ram |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410799668.7A CN104511752B (en) | 2014-12-19 | 2014-12-19 | Console mode horizontal Machining centers ram |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104511752A CN104511752A (en) | 2015-04-15 |
CN104511752B true CN104511752B (en) | 2017-10-13 |
Family
ID=52787937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410799668.7A Active CN104511752B (en) | 2014-12-19 | 2014-12-19 | Console mode horizontal Machining centers ram |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104511752B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108466070B (en) * | 2018-05-23 | 2023-09-29 | 东莞市志远数控设备制造有限公司 | Lifting device for numerical control machine tool spindle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101979197A (en) * | 2010-11-16 | 2011-02-23 | 无锡机床股份有限公司 | Boring-milling machine |
CN202045535U (en) * | 2011-04-28 | 2011-11-23 | 南通科技投资集团股份有限公司 | Numerical control floor type boring and milling machine main spindle box balancing compensation system |
CN202746549U (en) * | 2012-08-29 | 2013-02-20 | 资阳市光远减速机制造厂 | Double-arc reducer based on brick molding machine |
CN202804651U (en) * | 2012-02-23 | 2013-03-20 | 广州市技师学院 | Miniature five-shaft processing center |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149822A (en) * | 1977-11-21 | 1979-04-17 | The Carlton Machine Tool Company | Headstock balancing arrangement for machine tools |
CN101700620B (en) * | 2009-11-11 | 2012-04-18 | 南京工业大学 | Large gantry polar-coordinate digital-control milling, hobbing and grinding gear combined machine |
CN103707123A (en) * | 2013-11-25 | 2014-04-09 | 南通国盛机电集团有限公司 | Novel horizontal processing center |
CN204487168U (en) * | 2014-12-19 | 2015-07-22 | 昆山华都精工机械设备有限公司 | Console mode horizontal Machining centers ram |
-
2014
- 2014-12-19 CN CN201410799668.7A patent/CN104511752B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101979197A (en) * | 2010-11-16 | 2011-02-23 | 无锡机床股份有限公司 | Boring-milling machine |
CN202045535U (en) * | 2011-04-28 | 2011-11-23 | 南通科技投资集团股份有限公司 | Numerical control floor type boring and milling machine main spindle box balancing compensation system |
CN202804651U (en) * | 2012-02-23 | 2013-03-20 | 广州市技师学院 | Miniature five-shaft processing center |
CN202746549U (en) * | 2012-08-29 | 2013-02-20 | 资阳市光远减速机制造厂 | Double-arc reducer based on brick molding machine |
Also Published As
Publication number | Publication date |
---|---|
CN104511752A (en) | 2015-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3231549A1 (en) | Linear flexible positioning device | |
CN204818979U (en) | Immediately, dual -purpose numerical control machine tool crouches | |
CN203236214U (en) | Gantry-movable multifunctional numerically controlled drilling and milling machine | |
CN104511752B (en) | Console mode horizontal Machining centers ram | |
CN204487168U (en) | Console mode horizontal Machining centers ram | |
CN204487169U (en) | Console mode horizontal Machining centers | |
CN202356867U (en) | Planer type milling machine | |
CN104842171A (en) | High-precision numerical control machining center transmission mechanism | |
CN115781314A (en) | Overhead gearbox ram structure of gantry machining center | |
CN106903549A (en) | A kind of gear Dry Hobbing chips protector | |
CN206500955U (en) | Grinding head rotating device and glass hypotenuse grinding attachment | |
CN204487162U (en) | Console mode Horizontal machining center column | |
CN203304781U (en) | Laser cutting machine | |
CN108705105A (en) | A kind of vertical spindle processing unit (plant) | |
CN102672280A (en) | Gear cutting machine tool | |
CN104875078A (en) | Crossbeam-fixed type high-precision numerical control gantry machining center | |
CN206426109U (en) | A kind of mobile phone stainless steel housing polishing manipulator | |
CN205363415U (en) | Eager processing smear metal protector is rolled to gear dry -type | |
CN208686385U (en) | A kind of multistage detachable track of heavy duty | |
CN104493507A (en) | Floor-type horizontal machining center | |
CN104625758A (en) | Floor type horizontal machining center stand column | |
CN104875029A (en) | Multifunctional CNC (computer numerical control) gantry machining center | |
CN206335365U (en) | The Digit Control Machine Tool of linear electric motors driving | |
CN207523736U (en) | A kind of high stability Cool oil machine | |
CN206493120U (en) | A kind of high-speed machining center of use linear electric motors transmission |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Jinxi town Jin Rong 215324 Suzhou Road, Jiangsu province No. 456 Patentee after: Kunshan Huadu Seiko Precision Machinery Co.,Ltd. Address before: Jinxi town Jin Rong 215324 Suzhou Road, Jiangsu province No. 456 Patentee before: KUNSHAN HUADU PRECISION MACHINERY Co.,Ltd. |