CN104723174A - Lathe profiling device - Google Patents
Lathe profiling device Download PDFInfo
- Publication number
- CN104723174A CN104723174A CN201510120969.7A CN201510120969A CN104723174A CN 104723174 A CN104723174 A CN 104723174A CN 201510120969 A CN201510120969 A CN 201510120969A CN 104723174 A CN104723174 A CN 104723174A
- Authority
- CN
- China
- Prior art keywords
- bearing
- locating shaft
- clutch shaft
- tie
- guide rail
- 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.)
- Granted
Links
- 238000003754 machining Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 16
- 238000003801 milling Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
- B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
- B23Q35/42—Patterns; Masters models
- B23Q35/46—Supporting devices therefor
-
- 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
- B23Q2735/00—Control systems or devices for copying from a pattern or master model
- B23Q2735/02—Means for transforming movement of the feeler into feed movement of tool or work
- B23Q2735/025—Means for transforming movement of the feeler into feed movement of tool or work in a lathe
Abstract
The invention discloses a lathe profiling device. The lathe profiling device comprises a base, a turnplate, a bearing support, a first bearing and a second bearing and a pulling plate, wherein the base is arranged on a lathe carriage, the turnplate is arranged on the base and is provided with a guide rail, the first end of the bearing support is connected with a first bearing locating shaft and a second bearing locating shaft which are symmetrically distributed, the first bearing and the second bearing are connected with the first bearing locating shaft and the second bearing locating shaft respectively, and the first end of the pulling plate is connected with the second end of the bearing support. According to the lathe profiling device, through the arrangement of the turnplate on the base, replacing can be performed among different profiling contours, the machining efficiency is improved, and the labor intensity and the production cost are reduced; the two bearings are utilized to move along the guide rail to drive a lathe to machine a workpiece, and the machining precision is improved. The lathe profiling device is simple in structure, convenient to install and low in cost, and has good practicability and economy.
Description
Technical field:
The invention belongs to Machining Technology field, specifically relate to a kind of carriage cam device.
Background technology:
Now commercially the wide-angle cutter kind such as single, double angle milling cutter is a lot, the material of these cutters is high-speed tool steels, not only glutinous but also hard, all adopts method that is hand or milling when producing these cutters in the past, but hand method operation effort, the method for milling is dangerous.For this reason, a lot of producer starts designing car bed mooring die device, and lathe tool can be made automatically to carry out Milling Process to workpiece according to the movement locus on pattern, simple to operate safe and time saving and energy saving.
Chinese patent CN102773769A discloses a kind of carriage cam device, comprises a support, and one end of support is fixedly installed the supporting plate of a level; Supporting plate is fixedly installed a plate, and vertical and be fixedly installed sliding part in one end of connecting plate, the bottom of sliding part is slidedly arranged in groove; The other end of connecting plate is provided with the installing hole for being connected in lathe on supporting plate, and the other end of support is fixedly installed the installing plate on the lathe bed for being installed to lathe.The knife rest of lathe can be made along the orbiting motion with the groove same shape on master plate, thus achieve the object of the curvilinear part of batch machining on engine lathe, and structure is simple, has good practicality and economy.This copying apparatus overcomes traditional hand method and the shortcoming of method for milling, but the groove that this kind of copying apparatus is arranged normally is fixed, the lathe namely with this copying apparatus can only to the specific a kind of contour shape of work pieces process, if want the range of work expanding lathe, adopt differently contoured or different angles, replacing groove will be carried out when processing, and which adds the complexity of processing and the time of processing, thus add processing cost, reduce working (machining) efficiency.
Summary of the invention:
For this reason, technical problem to be solved by this invention is that the groove arranged for the carriage cam device of automated machining of workpieces in prior art is fixed, the demand that the multiple profile of workpiece or angle faces are processed can not be met, thus propose a kind of carriage cam device.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of carriage cam device, comprising:
Base, described base is arranged on lathe saddle;
Rotating disk, described rotating disk is arranged on described base, and described rotating disk is provided with guide rail;
Bearing bracket stand, the first end of described bearing bracket stand is provided with clutch shaft bearing locating shaft and the second bearing locating shaft;
Clutch shaft bearing and the second bearing, described clutch shaft bearing is connected with described clutch shaft bearing locating shaft, described second bearing is connected with described second bearing locating shaft, described clutch shaft bearing and described second bearing are symmetrically distributed in two sides of described guide rail, and described clutch shaft bearing and described second bearing are along described guide rail movement;
Arm-tie, the first end of described arm-tie is connected with the second end of described bearing bracket stand, and the second end of described arm-tie is connected with lathe tool platform.
Preferred as technique scheme, the centre of described base is provided with locating hole, and the lower end of described rotating disk is provided with location circular shaft and coordinates with described locating hole.
Preferred as technique scheme, described rotating disk is provided with T-slot bolt hole, is fixedly connected with by described base by T-slot bolt with T-slot nut with described rotating disk.
Preferred as technique scheme, described guide rail is boss guide rail, the shape of described boss guide rail with need the track of processing work to match.
Preferred as technique scheme, the first end of described bearing bracket stand is provided with the first groove and the second groove, and described first groove is for installing described clutch shaft bearing locating shaft, and described second groove is for installing described second bearing locating shaft.
Preferred as technique scheme, the lateral surface of described bearing bracket stand is provided with locating shaft adjustment screw, and described clutch shaft bearing locating shaft and described second bearing locating shaft are fixed on described bearing bracket stand by described locating shaft adjustment screw.
Preferred as technique scheme, the lower end of described clutch shaft bearing and described second bearing is respectively arranged with lock-screw, and described clutch shaft bearing and described second bearing are fixed on described clutch shaft bearing locating shaft and described second bearing locating shaft by described lock-screw respectively.
Preferred as technique scheme, the first end of described arm-tie is provided with the 3rd groove, and described 3rd groove tightly locks bolt for installing arm-tie, and described arm-tie is tightly locked bolt and is fixedly connected with described bearing bracket stand by described arm-tie.
Beneficial effect of the present invention is: it, by arranging rotating disk on base, can change, improve working (machining) efficiency, reduce labour intensity and production cost between different pattern profiles; Utilize two bearings to process workpiece along boss guide rail movement to drive lathe tool, the contour accuracy of acquisition is high, improves machining accuracy; Carriage cam apparatus structure is simple, easy for installation, with low cost, has good practicality and economy.In addition, its base is provided with annular T-slot, rotating disk is provided with T-slot bolt hole, with T-slot nut, base is fixedly connected with rotating disk by T-slot bolt.Base and rotating disk can be fixed connection at diverse location by T-slot bolt and T-slot nut, can determine different guide rail positions, material is thus formed different pattern profiles, and then can carry out the processing of multiple profile and angle faces to workpiece.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the carriage cam device front view of one embodiment of the invention;
Fig. 2 is the carriage cam device top view of one embodiment of the invention;
Fig. 3 is a kind of angle milling cutter workpiece schematic diagram of one embodiment of the invention;
Fig. 4 is a kind of angle milling cutter workpiece schematic diagram of one embodiment of the invention;
Fig. 5 is a kind of bevel gear angle schematic diagram of one embodiment of the invention;
Fig. 6 is a kind of broaching tool angle schematic diagram of one embodiment of the invention.
Symbol description in figure:
1 – base, 2 – rotating disks, 3 – guide rails, 4 – bearing bracket stands, 5 – clutch shaft bearing locating shafts, 6 – second bearing locating shafts, 7 – clutch shaft bearings, 8 – second bearings, 9 – arm-ties, 10 – T-slot bolts, 11 – T-slot nuts, 12 – locating shaft adjustment screws, 13 – lock-screws, 14 – arm-ties tightly lock bolt, 15 – lathe saddles, 16 – lathe tool platforms, 17 – base set bolts, 18 – cutter platform attachment screws, 19 – upper slide rest ， θ – milling cutter angle ， β – milling cutter angle α – bevel gear angle ， γ – broaching tool angles.
Detailed description of the invention:
As shown in Figure 1 and Figure 2, carriage cam device of the present invention, comprising:
Base 1, described base 1 is arranged on lathe saddle 15, lathe saddle 15 is drilled with two or more installing hole, chooses two installing holes, be fixed on lathe saddle 15 by base 1 by base set bolt 17 in the present embodiment.Described base 1 carries out the setting of rational position according to the position of lathe saddle 15 and space.
Rotating disk 2, described rotating disk 2 is arranged on described base 1, and described rotating disk 2 is provided with guide rail 3, and described guide rail 3 is boss guide rail, the shape of described boss guide rail with need the track of processing work to match, described boss guide rail needs the length ensureing the movement of work pieces process face.
The centre of described base 1 is provided with locating hole, and the lower end of described rotating disk 2 is provided with location circular shaft and coordinates with described locating hole, base 1 can be connected with rotating disk 2, determine pivot when rotating disk 2 rotates on base 1 by locating hole with location circular shaft.
Described base 1 is provided with annular T-slot, described rotating disk 2 is provided with T-slot bolt hole, on rotating disk 2, arrange two in the present embodiment along the symmetrical T-slot bolt hole of guide rail 3, with T-slot nut 11, described base 1 is fixedly connected with described rotating disk 2 by T-slot bolt 10.Base 1 and rotating disk 2 can be fixed connection at diverse location by T-slot bolt 10 and T-slot nut, position and the direction of no guide rail 3 can be determined, material is thus formed different pattern profiles, and then the processing of multiple profile and angle faces can be carried out workpiece.
Bearing bracket stand 4, the first end of described bearing bracket stand 4 is provided with clutch shaft bearing locating shaft 5 and the second bearing locating shaft 6.
The first end of described bearing bracket stand 4 is provided with the first groove and the second groove, first groove described in facing cut and described second groove under the first end of described bearing bracket stand 4, described first groove is for installing described clutch shaft bearing locating shaft 5, and described second groove is for installing described second bearing locating shaft 6.
The lateral surface of described bearing bracket stand 4 is provided with locating shaft adjustment screw 12, the lateral surface of described bearing bracket stand 4 bores, cuts with scissors screwed hole, by described locating shaft adjustment screw 12, described clutch shaft bearing locating shaft 5 and described second bearing locating shaft 6 are adjusted and be fixed on described bearing bracket stand 4.In the present embodiment, choose four locating shaft adjustment screws 12, wherein two locating shaft adjustment screws 12 are for adjusting and fixing described clutch shaft bearing locating shaft 5, and two other locating shaft adjustment screw 12 is for adjusting and fixing described second bearing locating shaft 6.
Clutch shaft bearing 7 and the second bearing 8, described clutch shaft bearing 7 is connected with described clutch shaft bearing locating shaft 5, described second bearing 8 is connected with described second bearing locating shaft 6, described clutch shaft bearing 7 and described second bearing 8 are symmetrically distributed in two sides of described guide rail 3, and described clutch shaft bearing 7 and described second bearing 8 move along described guide rail 3.That chosen axis is made and obtained pattern profile for sliding part is mobile on guide rail in the present invention, thus bearing choose the precision that directly affects processing.It is low that described clutch shaft bearing 7 and described second bearing 8 need to choose coefficient of friction, and limit speed is high, and structure is simple, and low cost of manufacture, precision is high, without the need to the class bearing often safeguarded.Two bearings, along guide rail movement, can obtain more stable pattern profile compared with a bearing or other sliding parts, further increase machining accuracy.
The lower end of described clutch shaft bearing 7 and described second bearing 8 is respectively arranged with lock-screw 13, and described clutch shaft bearing 7 and described second bearing 8 are fixed on described clutch shaft bearing locating shaft 5 and described second bearing locating shaft 6 by described lock-screw 13 respectively.
Arm-tie 9, the first end of described arm-tie 9 is connected with the second end of described bearing bracket stand 4, and the second end of described arm-tie 9 is connected with lathe tool platform 16.
The first end of described arm-tie 9 is provided with the 3rd groove, at the middle milling screw counter bore groove of the first end of described arm-tie 9, i.e. described 3rd groove, described 3rd groove tightly locks bolt 14 for installing arm-tie, second end of described bearing bracket stand 4 bores, hinge screwed hole, described arm-tie is tightly locked bolt 14 and is fixedly connected with described bearing bracket stand 4 by described arm-tie 9, and can adjust the position of described bearing bracket stand 4.
Second end major part drill screw holes of described arm-tie 9, and be anchored on lathe tool platform 16 by cutter platform attachment screw 18, in order to fastening described arm-tie 9, adopt old cutter platform to change a social system special cutter platform, by an angular milling 45 degree of described old cutter platform, be convenient to described arm-tie 9 is installed.
Described bearing bracket stand 4, described arm-tie 9 are connected with described lathe tool platform 16, upper slide rest 19 transfers leading screw, when feed, described arm-tie 9 pulls the described clutch shaft bearing 7 below described bearing bracket stand 4 and described second bearing 8 to carry out feed along the angle of the upper rail of rotating disk, lathe tool on described lathe tool platform 16 is also along with movement, achieve automatic tool advancing and retracting, car goes out angle.The angle schematic diagram of several cutters needing car to go out when this gives several lathe practical operation, angle θ, Fig. 4 that Fig. 3 gives a kind of angle milling cutter workpiece needs car to go out give angle beta that another kind of angle milling cutter workpiece needs car to go out, Fig. 5 gives angle [alpha] that a kind of bevel gear work piece needs car to go out, Fig. 6 gives the angle γ that a kind of broaching tool needs car to go out.
Carriage cam device described in the present embodiment, comprising: base, and described base is arranged on lathe saddle; Rotating disk, described rotating disk is arranged on base, and described rotating disk is also provided with guide rail; Bearing bracket stand, one end of described bearing bracket stand is connected with symmetrical clutch shaft bearing locating shaft and the second bearing locating shaft; Clutch shaft bearing and the second bearing, described clutch shaft bearing is connected with clutch shaft bearing locating shaft and the second bearing locating shaft respectively with described second bearing; Arm-tie, one end of described arm-tie is connected with one end of described bearing bracket stand.By arranging rotating disk on base, just can change between different pattern profiles, improve working (machining) efficiency, reduce labour intensity and production cost; Utilize two bearings to process workpiece along boss guide rail movement to drive lathe tool, the contour accuracy of acquisition is high, improves machining accuracy; Carriage cam apparatus structure is simple, easy for installation, with low cost, has good practicality and economy.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. a carriage cam device, is characterized in that, comprising:
Base (1), described base (1) is arranged on lathe saddle (15);
Rotating disk (2), described rotating disk (2) is arranged on described base (1), described rotating disk (2) is provided with guide rail (3);
Bearing bracket stand (4), the first end of described bearing bracket stand (4) is provided with clutch shaft bearing locating shaft (5) and the second bearing locating shaft (6);
Clutch shaft bearing (7) and the second bearing (8), described clutch shaft bearing (7) is connected with described clutch shaft bearing locating shaft (5), described second bearing (8) is connected with described second bearing locating shaft (6), described clutch shaft bearing (7) and described second bearing (8) are symmetrically distributed in two sides of described guide rail (3), and described clutch shaft bearing (7) and described second bearing (8) move along described guide rail (3);
Arm-tie (9), the first end of described arm-tie (9) is connected with the second end of described bearing bracket stand (4), and the second end of described arm-tie (9) is connected with lathe tool platform (16).
2. carriage cam device according to claim 1, is characterized in that: the centre of described base (1) is provided with locating hole, and the lower end of described rotating disk (2) is provided with location circular shaft and coordinates with described locating hole.
3. carriage cam device according to claim 1 and 2, it is characterized in that: (2) are provided with T-slot bolt hole with described rotating disk, with T-slot nut (11), described base (1) is fixedly connected with described rotating disk (2) by T-slot bolt (10).
4. carriage cam device according to claim 1, is characterized in that: described guide rail (3) is boss guide rail, the shape of described boss guide rail with need the track of processing work to match.
5. carriage cam device according to claim 1, it is characterized in that: the first end of described bearing bracket stand (4) is provided with the first groove and the second groove, described first groove is for installing described clutch shaft bearing locating shaft (5), and described second groove is for installing described second bearing locating shaft (6).
6. carriage cam device according to claim 1 or 5, it is characterized in that: the lateral surface of described bearing bracket stand (4) is provided with locating shaft adjustment screw (12), described clutch shaft bearing locating shaft (5) and described second bearing locating shaft (6) are fixed on described bearing bracket stand (4) by described locating shaft adjustment screw (12).
7. carriage cam device according to claim 1, it is characterized in that: the lower end of described clutch shaft bearing (7) and described second bearing (8) is respectively arranged with lock-screw (13), described clutch shaft bearing (7) and described second bearing (8) are fixed on described clutch shaft bearing locating shaft (5) and described second bearing locating shaft (6) by described lock-screw (13) respectively.
8. carriage cam device according to claim 1, it is characterized in that: the first end of described arm-tie (9) is provided with the 3rd groove, described 3rd groove tightly locks bolt (14) for installing arm-tie, and described arm-tie is tightly locked bolt (14) and is fixedly connected with described bearing bracket stand (4) by described arm-tie (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120969.7A CN104723174B (en) | 2015-03-19 | 2015-03-19 | Lathe profiling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120969.7A CN104723174B (en) | 2015-03-19 | 2015-03-19 | Lathe profiling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104723174A true CN104723174A (en) | 2015-06-24 |
| CN104723174B CN104723174B (en) | 2017-04-12 |
Family
ID=53447896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510120969.7A Active CN104723174B (en) | 2015-03-19 | 2015-03-19 | Lathe profiling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104723174B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262838A (en) * | 2017-07-31 | 2017-10-20 | 宝鸡虢西磨棱机厂 | Gear-face profiling chamfer machining head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2837976A (en) * | 1955-03-01 | 1958-06-10 | Northrop Aircraft Inc | Attachment to be applied to a duplicating mill for duplicating conical shapes |
| CN201055913Y (en) * | 2007-06-27 | 2008-05-07 | 中国石油天然气股份有限公司 | Device for turning spherical, spherical cap shaped machine member with carriage cam |
| CN102773769A (en) * | 2011-05-11 | 2012-11-14 | 中国北车集团大同电力机车有限责任公司 | Lathe profile modeling device |
| CN203221204U (en) * | 2013-03-11 | 2013-10-02 | 江苏省泰盛石化管件有限公司 | Oblique slide way traction-type turning device for cone rotator |
| CN204584876U (en) * | 2015-03-19 | 2015-08-26 | 苏州瑞日纺织科技有限公司 | A kind of carriage cam device |
-
2015
- 2015-03-19 CN CN201510120969.7A patent/CN104723174B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2837976A (en) * | 1955-03-01 | 1958-06-10 | Northrop Aircraft Inc | Attachment to be applied to a duplicating mill for duplicating conical shapes |
| CN201055913Y (en) * | 2007-06-27 | 2008-05-07 | 中国石油天然气股份有限公司 | Device for turning spherical, spherical cap shaped machine member with carriage cam |
| CN102773769A (en) * | 2011-05-11 | 2012-11-14 | 中国北车集团大同电力机车有限责任公司 | Lathe profile modeling device |
| CN203221204U (en) * | 2013-03-11 | 2013-10-02 | 江苏省泰盛石化管件有限公司 | Oblique slide way traction-type turning device for cone rotator |
| CN204584876U (en) * | 2015-03-19 | 2015-08-26 | 苏州瑞日纺织科技有限公司 | A kind of carriage cam device |
Non-Patent Citations (2)
| Title |
|---|
| 王翠表等: "靠模系统在普通车床上车削锥度的应用", 《机械设计与制造》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262838A (en) * | 2017-07-31 | 2017-10-20 | 宝鸡虢西磨棱机厂 | Gear-face profiling chamfer machining head |
| CN107262838B (en) * | 2017-07-31 | 2023-11-14 | 宝鸡虢西磨棱机制造有限公司 | Gear end face profiling chamfering processing head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104723174B (en) | 2017-04-12 |
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Effective date of registration: 20191030 Address after: 215228 Jiangsu City, Wujiang Province, Shengze Town, silk Center Plaza, room 2, apartment, Room 308, No. Patentee after: Zhu Ling Address before: 215228 Jiangsu City, Wujiang Province, Shengze Town, silk Center Plaza, room 2, apartment, Room 308, No. Patentee before: SUZHOU RUIRI TEXTILE SCIENCE & TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20231029 Address after: 509 Kangrui Times Square, Keyuan Business Building, 39 Huarong Road, Gaofeng Community, Dalang Street, Longhua District, Shenzhen, Guangdong Province, 518000 Patentee after: Shenzhen lizhuan Technology Transfer Center Co.,Ltd. Address before: 215228 Room 308, apartment 2, silk Center Plaza, Shengze Town, Wujiang District, Suzhou, Jiangsu. Patentee before: Zhu Ling |
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Effective date of registration: 20240102 Address after: No. 58, Group 2, Zhaojiayuan, Laocheng Street, Linwei District, Weinan City, Shaanxi Province, 711700 Patentee after: Shaanxi Laijing Zhenhui Electromechanical Equipment Co.,Ltd. Address before: 509 Kangrui Times Square, Keyuan Business Building, 39 Huarong Road, Gaofeng Community, Dalang Street, Longhua District, Shenzhen, Guangdong Province, 518000 Patentee before: Shenzhen lizhuan Technology Transfer Center Co.,Ltd. |