CN101920294B - Inner and outer shell riveting device of handle damper - Google Patents

Inner and outer shell riveting device of handle damper Download PDF

Info

Publication number
CN101920294B
CN101920294B CN2010102623028A CN201010262302A CN101920294B CN 101920294 B CN101920294 B CN 101920294B CN 2010102623028 A CN2010102623028 A CN 2010102623028A CN 201010262302 A CN201010262302 A CN 201010262302A CN 101920294 B CN101920294 B CN 101920294B
Authority
CN
China
Prior art keywords
damper
riveting
cylinder
hole
outer shell
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
Application number
CN2010102623028A
Other languages
Chinese (zh)
Other versions
CN101920294A (en
Inventor
岑国标
马海军
兰建刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fuerda Smartech Co Ltd
Original Assignee
Cixi Fuerda Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cixi Fuerda Industry Co Ltd filed Critical Cixi Fuerda Industry Co Ltd
Priority to CN2010102623028A priority Critical patent/CN101920294B/en
Publication of CN101920294A publication Critical patent/CN101920294A/en
Application granted granted Critical
Publication of CN101920294B publication Critical patent/CN101920294B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Vibration Prevention Devices (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention relates to an inner and outer shell riveting device of a handle damper, which comprises a working platform plate, a prepressing cylinder, a riveting cylinder, a support plate and a heater, wherein the working platform plate is provided with a support pin for supporting at the bottom and a positioning hole for positioning a damper in the middle; the prepressing cylinder is arranged above the working platform plate, and the power output end is provided with a prepressing block which can act on the damper to be processed from top to bottom; the riveting cylinder is arranged below the working platform plate; the bottom of the support plate is connected with the power output end of the riveting cylinder, and the upper end surface is provided with a riveting head for acting on the damper to be processed from bottom to top; the heater is used for heating the riveting head during riveting; and a guide mechanism can ensure that the support plate does linear motion in the vertical direction. Compared with the prior art, the invention has the advantages of carrying out accurate positioning by adopting the prepressing cylinder, being beneficial to improving the concentricity of a workpiece, having simple integral structure and convenient operation and finishing hot riveting by controlling the prepressing cylinder and the riveting cylinder.

Description

Inner and outer shell riveting device of handle damper
Technical field
The present invention relates to a kind of processing unit (plant) of handle damper, relate in particular to a kind of damper inner casing and shell body riveting set.
Background technology
The damper that is used on the automobile handle comprises the inner casing that shell and opposite shell can be rotated, generally by riveting process with two kinds of connections, existing riveting tool at damper is existing by the cylinder ram compacting, but there are many deficiencies: at first, inside and outside shell flange riveted joint back axiality is low, influences the return performance of damper; Secondly, flange riveted joint lapping defect is coarse, rough, of poor quality, insecure; At last, each operation needs manually-operated just can finish, and production efficiency is lower.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of inside and outside shell axiality high inner and outer shell riveting device of handle damper at the above-mentioned state of the art.
Another technical problem to be solved by this invention provides smooth, the carrot-free inner and outer shell riveting device of handle damper of a kind of flange riveted joint lapping defect.
Another technical problem to be solved by this invention provides the inner and outer shell riveting device of handle damper that a kind of homogeneity is good, product percent of pass is high.
Another technical problem to be solved by this invention provides the high inner and outer shell riveting device of handle damper of a kind of production efficiency.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: inner and outer shell riveting device of handle damper is characterized in that comprising
Working plate, bottom are provided with the leg that is used to support, and the middle part has the locating hole for the damper location;
Pre-air cylinder be located at aforementioned working plate top, and clutch end has the pre-briquetting that can act on damper to be processed from top to bottom;
The riveting cylinder is located at aforementioned working plate below;
Supporting plate, the bottom is connected with the clutch end of aforementioned riveting cylinder, and the upper surface is provided with the die that acts on damper to be processed from bottom to top;
Heater is used to heat aforesaid die during riveted joint; And
Guiding mechanism can make aforementioned supporting plate carry out the rectilinear motion of vertical direction.
For the driving direction all-the-time stable that guarantees pre-air cylinder, the relative working plate of riveting cylinder in straight-line trajectory, to improve the axiality of product, described pre-air cylinder is located on one first fixed head, described riveting cylinder is located on one second fixed head, aforesaid first fixed head and second fixed head all are fixed on the described working plate by connecting rod, and, the column that aforementioned connecting rod outer wall is arranged with hollow with realize first fixed head and second fixed head all with the fixed interval setting of working plate.
As preferably, described guiding mechanism comprises fairlead, and this fairlead is located on the described supporting plate and is sheathed on described column outer wall.
As preferably, described heater is located at the heating collar of die periphery for annular, and homogeneous heating guarantees the smooth no burr of workpiece riveted joint place.
Can lower the temperature rapidly for the workpiece that makes hot riveting, described die is provided with a gas channel vertically, and a cooling tube joint is located on the described supporting plate and in aforesaid gas channel and is joined.
The mode of fixedlying connected of die and supporting plate is preferably as follows design: described supporting plate upper surface has storage tank, and be provided with a fixed block, this fixed block middle part offers a through hole with internal thread, the corresponding setting of this through hole with aforementioned storage tank, one has externally threaded screw or bolt is located in the aforesaid through hole also that head is positioned at this storage tank with standing upside down, and female link slot of described die bottom moulding and the afterbody by this link slot and aforementioned screw or bolt are spirally connected fixing.
The fastness and the stability of die lower end further are provided, the upper end internal diameter that has step in the through hole of described fixed block and make through hole is greater than the bottom internal diameter, and described die bottom part stretches into aforesaid through hole and is spirally connected fixing with screw or bolt tail end.
Described supporting plate upper surface has storage tank, and be provided with a fixed block, this fixed block middle part offers a through hole with internal thread, the corresponding setting of this through hole with aforementioned storage tank, one is located at the interior also head of aforesaid through hole with having externally threaded screw or bolt handstand is positioned at this storage tank, female link slot of described die bottom moulding and the afterbody by this link slot and aforementioned screw or bolt are spirally connected fixing
Described die is provided with a gas channel vertically, the one cooling tube joint that is connected with external source of the gas is located at the port of aforementioned storage tank one side, and described screw or bolt have a runner that the refrigerating gas in the cooling tube joint can be incorporated into the die gas channel after by storage tank vertically.
For improving automation degree of equipment, to enhance productivity, this device also comprises a controller, the control output end of this controller respectively with the control input end of described pre-air cylinder, the control input end of riveting cylinder, the control input end of heater, the control input end of external source of the gas connects.
Stretch out downwards on the described working plate and be provided with at least one and be used to the spacing screw rod that stops described supporting plate to continue to move up.Spacing screw rod can guarantee that the degree of depth that die stretches into damper is limited in certain level, guarantees the homogeneity of product.
Described supporting plate lower surface is provided with a contiguous block, and the piston rod enlarged head of described riveting cylinder clutch end then is limited in the stopper slot of aforementioned contiguous block.Riveting cylinder and supporting plate connect as one all the time like this, and the skew on the driving direction can not take place, and guarantee machining accuracy.
Compared with prior art, the invention has the advantages that: adopt pre-air cylinder accurately to locate, be beneficial to the axiality that improves workpiece, thereby improved the return performance of damper, finish hot riveting by heater, guiding mechanism can guarantee the machining accuracy of riveted joint, and overall structure is simple, by controlling pre-air cylinder and the riveting cylinder can be finished hot riveting, easy to operate.
Description of drawings
Fig. 1 is the example structure schematic diagram.
Fig. 2 is along the phantom of B-B direction among Fig. 1.
Fig. 3 is the enlarged drawing of C portion among Fig. 2.
Fig. 4 is the enlarged drawing of A portion among Fig. 1.
Fig. 5 is the preceding view of damper riveted joint.
Fig. 6 is the preceding perspective view of damper riveted joint.
Fig. 7 is the decomposition installation diagram of Fig. 6.
Fig. 8 is damper riveted joint back perspective view.
Fig. 9 is the controller fundamental diagram.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Riveting set in the present embodiment is mainly used the processing automobile handle damper, and the structure of this damper such as Fig. 6, Fig. 7 and shown in Figure 8, damper 100 comprise inner casing 101 and shell 102, and after the riveted joint, inner casing 101 and shell 102 can also rotate mutually.
As shown in Figure 1, riveting set comprises working plate 1, pre-air cylinder 2, riveting cylinder 3, supporting plate 15, heater 4, fairlead 16 and controller 1a (do not have among Fig. 1 and show).
Working plate 1 bottom is provided with the leg 11 that is used to support, and the middle part has the locating hole for damper 100 location, stretches out downwards on the working plate 1 to be provided with a plurality of and to be used to the spacing screw rod 18 that stops supporting plate 15 to continue to move up.
Pre-air cylinder 2 is located at working plate 1 top, and the piston rod 21 of pre-air cylinder 2 has the pre-briquetting 22 that can act on damper to be processed from top to bottom, and riveting cylinder 3 is located at working plate 1 below; Particularly, pre-air cylinder 2 is located on first fixed head 13, riveting cylinder 3 is located on second fixed head 14, first fixed head 13 and second fixed head 14 all are fixed on the working plate 1 by connecting rod 10, and, the column 12 that connecting rod 10 outer walls are arranged with hollow with realize first fixed head 13 and second fixed head 14 all with the fixed interval setting of working plate 1.Such first fixed head 13, second fixed head, 14 relative working plates 1 just can not be shifted in the horizontal direction with on the vertical direction.
Die 5 is established in supporting plate 15 upper surfaces; Also be provided with the fairlead 16 that is sheathed on column 12 outer walls on the supporting plate 15, this fairlead 16 can lead mobile at column 12 outer walls back and forth, can guarantee that like this supporting plate 15 carries out the rectilinear motion of vertical direction and non-migration, improves the machining accuracy of product.
Supporting plate 15 bottoms are connected with the piston rod 31 of riveting cylinder, particularly, supporting plate 15 lower surfaces are provided with contiguous block 17, piston rod 31 enlarged head of riveting gas are limited in the stopper slot of contiguous block 17, riveting cylinder 3 connects as one all the time with supporting plate 15 like this, skew on the driving direction can not take place, and guarantees machining accuracy.
Be used to heat die 4 during heater 4 riveted joints to finish hot riveting, the heater 4 in the present embodiment is located at the heating collar of die periphery for annular.Heat more evenly, the flange homogeneity is good during riveted joint.
In conjunction with Fig. 2 and shown in Figure 3, supporting plate 15 upper surfaces have storage tank 19, and be provided with a fixed block 6, these fixed block 6 middle parts offer a through hole with internal thread, this through hole and storage tank 19 corresponding settings, be located at the interior also head of through hole with having externally threaded screw 7 handstand and be positioned at storage tank 19, the die female link slot of 5 bottom moulding also is spirally connected fixing by this link slot and screw 7 afterbodys, die 5 is provided with a gas channel 51 vertically, cooling tube joint 8 is located at the port of storage tank 19 1 sides, cooling tube joint 19 is connected with external source of the gas 81 (seeing shown in Figure 9), and screw 7 has a runner 71 that the refrigerating gas in the cooling tube joint 8 can be incorporated into die gas channel 51 after by storage tank 19 vertically.Further, have step in the through hole of fixed block 6 and the upper end internal diameter that makes through hole greater than the bottom internal diameter, die 5 bottom parts stretch into through hole and are spirally connected fixing with screw 7 tail ends.
As shown in Figure 9, the control output end of controller 1a respectively with the control input end of pre-air cylinder 2, the control input end of riveting cylinder 3, the control input end of heater 4, the control input end of external source of the gas 81 connects.Whole system all realizes automation control by controller like this.
Operation principle: with reference to figure 4 and shown in Figure 5, damper to be riveted is in the locating hole of working plate behind the coarse positioning, the start-up control device, the pre-briquetting of precompressed air cylinder driven is again with the damper fine positioning and compress, controller sends instruction and gives the riveted joint cylinder then, move on riveted joint air cylinder driven supporting plate and the die, damper is carried out the flange riveted joint, and heating and continuous work simultaneously, behind the pressurize certain hour, controller sends instruction and gives external source of the gas, external source of the gas is to cooling tube joint air feed, damper is carried out the timing cooling and shaping, cooling back riveted joint cylinder and pre-air cylinder return, pending second workpiece.Whole process realizes automation control by controller, when picking and placeing damper by manually finishing.

Claims (9)

1. an inner and outer shell riveting device of handle damper is characterized in that comprising
Working plate, bottom are provided with the leg that is used to support, and the middle part has the locating hole for the damper location;
Pre-air cylinder be located at aforementioned working plate top, and clutch end has the pre-briquetting that can act on damper to be processed from top to bottom;
The riveting cylinder is located at aforementioned working plate below;
Supporting plate, the bottom is connected with the clutch end of aforementioned riveting cylinder, and the upper surface is provided with the die that acts on damper to be processed from bottom to top;
Heater is used to heat aforesaid die during riveted joint; And
Guiding mechanism can make aforementioned supporting plate carry out the rectilinear motion of vertical direction;
Described die is provided with a gas channel vertically, and a cooling tube joint is located on the described supporting plate and in aforesaid gas channel and is joined.
2. inner and outer shell riveting device of handle damper according to claim 1, it is characterized in that described pre-air cylinder is located on one first fixed head, described riveting cylinder is located on one second fixed head, aforesaid first fixed head and second fixed head all are fixed on the described working plate by connecting rod, and, the column that aforementioned connecting rod outer wall is arranged with hollow with realize first fixed head and second fixed head all with the fixed interval setting of working plate.
3. inner and outer shell riveting device of handle damper according to claim 2 is characterized in that described guiding mechanism comprises fairlead, and this fairlead is located on the described supporting plate and is sheathed on described column outer wall.
4. according to claim 1 or 2 or 3 described inner and outer shell riveting device of handle damper, it is characterized in that described heater is the annular heating collar of being located at the die periphery.
5. according to claim 1 or 2 or 3 described inner and outer shell riveting device of handle damper, it is characterized in that described supporting plate upper surface has storage tank, and be provided with a fixed block, this fixed block middle part offers a through hole with internal thread, the corresponding setting of this through hole with aforementioned storage tank, one has externally threaded screw or bolt is located in the aforesaid through hole also that head is positioned at this storage tank with standing upside down, and female link slot of described die bottom moulding and the afterbody by this link slot and aforementioned screw or bolt are spirally connected fixing.
6. inner and outer shell riveting device of handle damper according to claim 5, the upper end internal diameter that it is characterized in that having step in the through hole of described fixed block and make through hole is greater than the bottom internal diameter, and described die bottom part stretches into aforesaid through hole and is spirally connected fixing with screw or bolt tail end.
7. according to claim 1 or 2 or 3 described inner and outer shell riveting device of handle damper, it is characterized in that
Described supporting plate upper surface has storage tank, and be provided with a fixed block, this fixed block middle part offers a through hole with internal thread, the corresponding setting of this through hole with aforementioned storage tank, one is located at the interior also head of aforesaid through hole with having externally threaded screw or bolt handstand is positioned at this storage tank, female link slot of described die bottom moulding and the afterbody by this link slot and aforementioned screw or bolt are spirally connected fixing
Described die is provided with a gas channel vertically, the one cooling tube joint that is connected with external source of the gas is located at the port of aforementioned storage tank one side, and described screw or bolt have a runner that the refrigerating gas in the cooling tube joint can be incorporated into the die gas channel after by storage tank vertically.
8. inner and outer shell riveting device of handle damper according to claim 7, it is characterized in that this device also comprises a controller, the control output end of this controller respectively with the control input end of described pre-air cylinder, the control input end of riveting cylinder, the control input end of heater, the control input end of external source of the gas connects.
9. according to claim 1 or 2 or 3 described inner and outer shell riveting device of handle damper, it is characterized in that stretching out downwards on the described working plate and be provided with at least one and be used to the spacing screw rod that stops described supporting plate to continue to move up.
CN2010102623028A 2010-08-20 2010-08-20 Inner and outer shell riveting device of handle damper Active CN101920294B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102623028A CN101920294B (en) 2010-08-20 2010-08-20 Inner and outer shell riveting device of handle damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102623028A CN101920294B (en) 2010-08-20 2010-08-20 Inner and outer shell riveting device of handle damper

Publications (2)

Publication Number Publication Date
CN101920294A CN101920294A (en) 2010-12-22
CN101920294B true CN101920294B (en) 2011-12-14

Family

ID=43335651

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102623028A Active CN101920294B (en) 2010-08-20 2010-08-20 Inner and outer shell riveting device of handle damper

Country Status (1)

Country Link
CN (1) CN101920294B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102500737A (en) * 2011-10-17 2012-06-20 无锡大燕电子有限公司 Riveting die ejection structure
CN102430655B (en) * 2011-12-09 2013-11-27 浙江科力车辆控制***有限公司 Riveting pressing forming device for cover plate of automobile clutch booster
CN102717021B (en) * 2012-06-08 2014-10-15 广东机电职业技术学院 Inverted punching and riveting machine and riveting method thereof
CN102847861B (en) * 2012-08-16 2014-11-26 天津华韵乐器有限公司 Processing method of accordion sound spring
CN102873218A (en) * 2012-10-18 2013-01-16 安徽省旌德县星豪电子科技有限公司 Automatic reclaiming and riveting press
CN103350149B (en) * 2013-07-17 2016-03-30 芜湖亚利华汽车部件有限公司 Automatic riveting damper devices
CN106964994A (en) * 2017-04-14 2017-07-21 苏州司巴克自动化设备股份有限公司 Combine work platform
US10967510B2 (en) 2017-11-16 2021-04-06 Industrial Technology Research Institute Robot arm processing system and method thereof
CN108721908A (en) * 2018-07-23 2018-11-02 青岛鑫集美工艺品有限公司 A kind of riveting eye equipment
CN110102702B (en) * 2019-06-01 2020-07-17 河北德道汽车科技股份有限公司 Multi-pin-shaft simultaneous press-riveting die for automobile hinge

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5277049A (en) * 1992-02-04 1994-01-11 Tokai Metallic Manufacturing Co., Ltd. Rivet setting device
CN1218133C (en) * 2001-01-26 2005-09-07 株式会社尼富考 Rotary damper and auxiliary clamping device
CN2813155Y (en) * 2005-07-29 2006-09-06 葛明 Double-head balance block riveting machine
CN200948485Y (en) * 2006-09-27 2007-09-19 永嘉县百胜机器有限公司 Full-automatic two-in-one movable fastener riveting machine
CN201760510U (en) * 2010-08-20 2011-03-16 慈溪市福尔达实业有限公司 Handle damper inner-outer-casing riveting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5277049A (en) * 1992-02-04 1994-01-11 Tokai Metallic Manufacturing Co., Ltd. Rivet setting device
CN1218133C (en) * 2001-01-26 2005-09-07 株式会社尼富考 Rotary damper and auxiliary clamping device
CN2813155Y (en) * 2005-07-29 2006-09-06 葛明 Double-head balance block riveting machine
CN200948485Y (en) * 2006-09-27 2007-09-19 永嘉县百胜机器有限公司 Full-automatic two-in-one movable fastener riveting machine
CN201760510U (en) * 2010-08-20 2011-03-16 慈溪市福尔达实业有限公司 Handle damper inner-outer-casing riveting device

Also Published As

Publication number Publication date
CN101920294A (en) 2010-12-22

Similar Documents

Publication Publication Date Title
CN101920294B (en) Inner and outer shell riveting device of handle damper
CN103537610A (en) Hot riveting fixture of automobile door lock
CN204053461U (en) A kind of assembled camshaft suit frock
CN103056645B (en) Servo torque machine
CN102240908B (en) Automatic forming and welding equipment and method of increaser pipe fitting
CN102925639B (en) Horizontal high-frequency quenching machine
CN201760510U (en) Handle damper inner-outer-casing riveting device
CN106862351A (en) A kind of fully automatic hydraulic rushes machine
CN102888497B (en) Numerical control high-frequency quenching device
CN106141053A (en) Servo-drive small deformation radially precision forging device
CN201511526U (en) Novel multifunctional hot press
CN207088494U (en) A kind of vertical hot weld cold pressure welding machine
CN203317275U (en) Portable and small clamp as pipe butt joint tool
CN202881315U (en) Horizontal high-frequency quenching machine
CN206483958U (en) U-shaped hot riveting machine
CN207136199U (en) A kind of mixed food 3D printing device
CN205732382U (en) Axle correcting tool
CN207057298U (en) Withdrawing pattern seat and drawbench
CN203236266U (en) Fixture for boring workpiece with curved surface cavity
CN209614109U (en) A kind of extra large size bearing cage pin riveted numerical control electric riveting machine
CN206898100U (en) A kind of ultrasonic shaping equipment
CN208408323U (en) A kind of bull multistation room temperature pipe reduction device
CN208101082U (en) A kind of ultrasound rivet hot all-in-one machine
CN102306981A (en) Stator lamination stacking workbench
CN109261880A (en) A kind of extra large size bearing cage pin riveted numerical control electric riveting machine and its application method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Free format text: FORMER OWNER: CIXI FU'ERDA INDUSTRIAL AUTOMATION SYSTEM CO., LTD.

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20110909

Address after: 315321 Zhejiang city in Cixi province Xiao Lin Zhen Zhang New Road No. 113

Applicant after: Cixi Fuerda Industry Co., Ltd.

Address before: 315321 Zhejiang city in Cixi province Xiao Lin Zhen Zhang New Road No. 113 Cixi fu'erda Industrial Co. Ltd.

Applicant before: Cixi Fuerda Industry Co., Ltd.

Co-applicant before: Cixi Fuerda Industrial Automation System Co., Ltd.

C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: NINGBO FUERDA INTELLIGENT TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: CIXI FUERDA INDUSTRY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 315321 Zhejiang city in Cixi province Xiao Lin Zhen Zhang New Road No. 113

Patentee after: Ningbo Fuerda Intelligent Technology Co., Ltd.

Address before: 315321 Zhejiang city in Cixi province Xiao Lin Zhen Zhang New Road No. 113

Patentee before: Cixi Fuerda Industry Co., Ltd.

C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 315321 Zhejiang city in Cixi province Xiao Lin Zhen Zhang New Road No. 113

Patentee after: Ningbo Fuerda Intelligent Technology Co., Ltd.

Address before: 315321 Zhejiang city in Cixi province Xiao Lin Zhen Zhang New Road No. 113

Patentee before: Ningbo Fuerda Intelligent Technology Co., Ltd.

CP03 Change of name, title or address

Address after: No. 1493-1569, Xiaolin Avenue, Xiaolin Town, Cixi City, Ningbo City, Zhejiang Province

Patentee after: NINGBO FUERDA SMARTECH Co.,Ltd.

Address before: No. 113, Zhangxin South Road, Xiaolin Town, Cixi City, Zhejiang Province

Patentee before: NINGBO FUERDA SMARTECH Co.,Ltd.

CP03 Change of name, title or address