CN102814561A - Automatic flat-end chambering machine - Google Patents
Automatic flat-end chambering machine Download PDFInfo
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- CN102814561A CN102814561A CN2012102882089A CN201210288208A CN102814561A CN 102814561 A CN102814561 A CN 102814561A CN 2012102882089 A CN2012102882089 A CN 2012102882089A CN 201210288208 A CN201210288208 A CN 201210288208A CN 102814561 A CN102814561 A CN 102814561A
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- feeding
- travelling carriage
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- claw
- cylinder
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- 238000005520 cutting process Methods 0.000 claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 210000000078 claw Anatomy 0.000 claims description 35
- 241000220317 Rosa Species 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The invention discloses an automatic flat-end chambering machine which comprises a rack, a rotary cutting mechanism, a feeding mechanism, a clamping jaw mechanism and a controller, wherein the rotary cutting mechanism is mainly formed by a circular cutting disk, cutters and a motor, the feeding mechanism mainly comprises a feeding track which is arranged on the rack, a feeding movable platform which is movably connected with the feeding track, a feeding air cylinder for driving the feeding movable platform to move forwards and backwards, a hydraulic buffer for buffering the movement speed of the feeding movable platform and a limiting stopper for controlling the processing length of a workpiece, the feeding movable platform is connected with the piston rod of the feeding air cylinder, the clamping jaw mechanism mainly comprises a clamping jaw body and a clamping jaw which has a symmetrical split structure and is used for putting the workpiece, and a clamping component for driving the clamping jaw to open and close is arranged in the clamping jaw body. The automatic flat-end chambering machine has the advantages that the auxiliary actuation time for processing each workpiece during the whole processing process is reduced, so the production efficiency is greatly increased; and moreover, the motor does not need to be frequently started and stopped when the workpiece is processed, so the service life of the motor is effectively prolonged.
Description
Technical field
The present invention relates to a kind of flat head chamfering process equipment, especially relate to a kind of automatic chamfering beveler.
Background technology
At present; General traditional instrument lathe or the automatic instrument machined into used of the flat head chamfering of standard component bolt accomplished, and main process is: cutter-parking (lathe stops operating)-loose metal-discharging process-is withdrawed from charging-chucking-driving (lathe rotation)-feed processing-completion.There is following problem in the flat head chamfering of this instrumentation lathe or automatic instrument machined into standard component bolt: first; Because auxiliary movements such as the charging in the process, chucking, driving, parking, loose metal, discharging; Account for about 70% of whole machining process process time, so production efficiency is extremely low; Second; Because the initial of each process all must be under the parking situation; Yet no matter be that instrument lathe or automatic instrument lathe all do not exist the parking stop function, utilize the anti-car stop of motor to accomplish stop action, so instrument lathe and the automatic instrument lathe situation that all has the motor frequent starting and stop; And electric motor starting is identical with the workpiece quantity of processing with the frequency that stops; If calculate with 8 hours classes, then the frequency that stops of electric motor starting between 2000～5000 times, the serious like this service life that shortens motor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of can effectively enhancing productivity, and can effectively prolong the motor automatic chamfering beveler in service life.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of automatic chamfering beveler; It is characterized in that comprising frame, revolution cutting mechanism, feed mechanism, click-on mechanism and controller; Described revolution cutting mechanism is mainly by being connected in circular cutting disk on the described frame, being arranged at the cutter on the described circular cutting disk and being connected and being used to drive described circular cutting disk motor rotating with described circular cutting disk and form; Described feed mechanism mainly by the feeding travelling carriage that is arranged at feeding track on the described frame, flexibly connect with described feeding track, be arranged on the described frame and be used to drive described feeding travelling carriage forward-reverse the feeding cylinder, be arranged on the described frame and be used to cushion described feeding travelling carriage translational speed hydraulic bjuffer and be arranged on the described frame and the stop that is used to control the workpiece processing length is formed; Described feeding travelling carriage is connected with the piston rod of described feeding cylinder; The direction of described feeding travelling carriage forward-reverse is axial consistent with described circular cutting disk; The magnetic valve of described feeding cylinder is connected with described controller respectively with described stop; Described click-on mechanism mainly is made up of jaw body and the claw that is placed in the top of described jaw body and is used to put workpiece; The bottom of described jaw body is connected with described feeding travelling carriage; Be provided with clamp assembly in the described jaw body; Described claw is double opening structure, and described clamp assembly drives described claw open closed; Described cutter began flat head chamfering processing to the workpiece that is positioned at described claw when described feeding travelling carriage advanced to described hydraulic bjuffer; Described feeding travelling carriage is positioned at the workpiece of described claw and accomplishes flat head chamfering processing when advancing to described stop; Simultaneously described stop sends and accomplishes processing signal and give described controller, and described controller is controlled described feeding cylinder and driven described feeding travelling carriage and retreat.
The axial rearward end of described circular cutting disk is connected with described frame, evenly is provided with a plurality of knife holder slots on the axial forward end end face of described circular cutting disk, is separately installed with tack cutter and rose reamer on a plurality of described knife holder slots.
The number of described knife holder slot is three, and the angle of the line of centres between the two ends of the line of centres between the two ends of described knife holder slot and adjacent described knife holder slot is 120 degree.
Described frame is provided with the feeding cylinder block, and described feeding cylinder is fixed on the described feeding cylinder block.
Described feeding travelling carriage is provided with push rod, and described push rod is connected with the piston rod of described feeding cylinder.
Run through the described jaw body left and right sides on the described jaw body and be provided with the nut putting groove; Described claw comprises half claw of two symmetries; The direction of the inwall upper edge described feeding travelling carriage forward-reverse of described half claw is provided with the groove that runs through described half claw rear and front end; Two described grooves constitute the workpiece putting groove; The axis of described workpiece putting groove and the axis of described circular cutting disk are on the same straight line, revolve double threaded screw, two half-nuts, chucking cylinder and rocking arms about described clamp assembly comprises, two described half-nuts are placed in the two ends of described nut putting groove respectively; Described half-nut and described about revolve double threaded screw and be spirally connected; Described half-nut is fixedly connected with described half claw, and the magnetic valve of described chucking cylinder is connected with described controller, and described chucking cylinder is connected with described feeding travelling carriage; The piston rod of described chucking cylinder is connected with an end of described rocking arm; The other end of described rocking arm with described about revolve double threaded screw an end be connected, described rocking arm swing and drive and revolve the double threaded screw rotation about described during the piston rod rectilinear motion of described chucking cylinder, described half-nut drives described half claw open closed simultaneously.
Described feeding travelling carriage is provided with the chucking cylinder block, and described chucking cylinder is fixed on the described chucking cylinder block.
An end that revolves double threaded screw about described is socketed with snap ring outward.
Compared with prior art, the invention has the advantages that:
1) this automatic chamfering beveler start back circular cutting disk rotates; Processed workpiece is put into claw, utilize clamp assembly chucking workpiece, make workpiece advance to Working position through feeding cylinder and feeding travelling carriage; Utilize the cutter on the circular cutting disk that workpiece is carried out flat head chamfering processing; Accomplish the processing back and workpiece is retreated, unclamp claw through clamp assembly when stopping to retreat, take out the workpiece that processes through feeding cylinder and feeding travelling carriage; The whole machining process process has reduced the auxiliary movement time of every workpiece processing, has therefore improved production efficiency significantly.
2) this automatic chamfering beveler utilizes feed mechanism and click-on mechanism that processed workpiece is not rotated; Only do axial advancement, retreat; Utilize the motor-driven circular cutting disk to drive cutter and rotate revolution turning; Workpiece adds the man-hour motor without frequent starting, anti-car stop like this, therefore can effectively prolong the service life of motor.
Description of drawings
Fig. 1 is the left view (broken section) of automatic chamfering beveler of the present invention;
Fig. 2 is the right view of automatic chamfering beveler of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
A kind of automatic chamfering beveler that the present invention proposes; As shown in the figure; It comprises frame 1, revolution cutting mechanism 2, feed mechanism 3, click-on mechanism 4 and controller (not shown); Revolution cutting mechanism 2 is mainly by being connected in circular cutting disk 21 on the frame 1, being arranged at the cutter 22 on the circular cutting disk 21 and being connected with circular cutting disk 21 and the motor (not shown) that is used for driving rotational cutterhead 21 rotary works is formed; Feed mechanism 3 mainly by the feeding travelling carriage 32 that is arranged at feeding track 31 on the frame 1, flexibly connect with feeding track 31, be arranged on the frame 1 and be used to drive feeding travelling carriage 32 forward-reverses feeding cylinder 33, be arranged on the frame 1 and be used to cushion feeding travelling carriage 32 translational speed hydraulic bjuffer 34 and be arranged on the frame 1 and the stop 35 that is used to control the workpiece processing length is formed; Feeding travelling carriage 32 can move front and back on feeding track 31; Feeding travelling carriage 32 is connected with the piston rod of feeding cylinder 33, and the direction of feeding travelling carriage 32 forward-reverses is axial consistent with circular cutting disk 21, and frame 1 is provided with feeding cylinder block 36; Feeding cylinder 33 is fixed on the feeding cylinder block 36; The magnetic valve of feeding cylinder 33 is connected with controller respectively with stop 35, and 33 work of controller control feeding cylinder drive feeding travelling carriage 32 forward-reverses during the piston rod rectilinear motion of feeding cylinder 33; Workpiece is accomplished processing when feeding travelling carriage 32 advances to stop 35; Simultaneously stop 35 sends and accomplishes processing signal and give controller, and controller drives feeding travelling carriages 32 and retreats according to accomplishing processing signal control feeding cylinder 33, and click-on mechanism 4 mainly is made up of jaw body 41 and the claw 42 that is placed in the top of jaw body 41 and is used to put workpiece; The bottom of jaw body 41 is connected with feeding travelling carriage 32; Be provided with clamp assembly in the jaw body 41, claw 42 is double opening structure, and clamp assembly drives claw 42 open closed.
At this, controller and hydraulic bjuffer 34 all adopt prior art; Stop 35 can adopt the existing feeding travelling carriage 32 that can stop to move on and can send the stop of signal, also can design voluntarily, as: stop comprises housing; Housing is provided with through hole, is equiped with screw mandrel in the through hole, and an end of screw mandrel is provided with microswitch; Microswitch is connected with controller; When feeding travelling carriage 32 advanced to the housing of stop, microswitch transmitting switch signal was given controller when this stop was worked, and cut is accomplished in expression.
Feeding cylinder 33 adopts existing cylinder, and feeding cylinder 33 is accomplished fast feed and cutting feeding work; Hydraulic bjuffer 34 assists feeding cylinder 33 to accomplish cutting feeding work.
In the present embodiment, the axial rearward end of circular cutting disk 21 is connected with frame 1, and the axial forward end end face upper edge of circular cutting disk 21 circumferentially evenly is provided with three knife holder slot (not shown)s; The angle of the line of centres between the two ends of the line of centres between the two ends of any knife holder slot and adjacent knife holder slot is 120 degree; Promptly three knife holder slot 120 degree distributions at interval are separately installed with 90 degree tack cuttves 221 and 45 degree rose reamers 222, in actual application on three knife holder slots; If during the less workpiece of processing diameter; Can load onto 90 degree tack cuttves in a knife holder slot therein, in another knife holder slot, load onto 45 degree rose reamers, a remaining knife holder slot is idle; If during the bigger workpiece of processing diameter, can load onto 45 degree rose reamers in a knife holder slot therein, in other two knife holder slots, load onto 90 degree tack cuttves, and two 90 degree tack cuttves are arranged to staged.
In the present embodiment, a push rod 37 can be set on feeding travelling carriage 32, push rod 37 is fixedly connected with the piston rod of feeding cylinder 33, drives feeding travelling carriages 32 forward-reverses through push rod 37 during the piston rod rectilinear motion of feeding cylinder 33.
In the present embodiment, run through jaw body 41 left and right sides on the jaw body 41 and be provided with nut putting groove 43, claw 42 comprises half claw 421 of two symmetries; The direction of inwall upper edge feeding travelling carriage 32 forward-reverses of half claw 421 is provided with the groove 422 that runs through half claw, 421 rear and front ends; Two grooves 422 constitute the workpiece putting grooves, and the axis of the axis of workpiece putting groove and circular cutting disk 21 is on the same straight line, revolve double threaded screw 44, two half-nuts 45 about clamp assembly comprises, tighten cylinder 46 and Rocker arm 47; Two half-nuts 45 are placed in the two ends of nut putting groove 43 respectively; Half-nut 45 with about revolve double threaded screw 44 and be spirally connected, half-nut 45 is fixedly connected with half claw 421, the magnetic valve that tightens cylinder 46 is connected with controller; Feeding travelling carriage 32 is provided with chucking cylinder block 48; Chucking cylinder 46 is fixed on the chucking cylinder block 48, and the piston rod of chucking cylinder 46 is connected with an end of Rocker arm 47, the other end of Rocker arm 47 with about revolve double threaded screw 44 an end be connected; During the piston rod rectilinear motion of chucking cylinder 46 Rocker arm 47 swing and drive about revolve double threaded screw 44 rotations, half-nut 45 drives half claw, 421 open closed simultaneously.At this, chucking cylinder 46 adopts existing cylinder.
In the present embodiment, can about revolve snap ring 49 of socket outside the end of double threaded screw 44, revolve the spacing between two half-nuts 45 on the double threaded screw 44 about fixedly being bolted in through snap ring 49, to be suitable for the workpiece of different-diameter size.
The course of work of automatic chamfering beveler of the present invention is: open motor, and circular cutting disk 21 rotary works, opening controller, feeding cylinder 33 and 46 work of chucking cylinder are put into the workpiece putting groove with workpiece to be processed; Chucking cylinder 46 rectilinear motions make Rocker arm 47 swings; the swing of Rocker arm 47 drives half-nut 45 and moves inward and make 421 quick-makes of two and half claws; feeding this moment cylinder 33 promotes feeding travelling carriages 32 and advances, and cutter begins flat head chamfering processing to the workpiece that is positioned at the workpiece putting groove when feeding travelling carriage 32 advances to hydraulic bjuffer 34, and the workpiece that when feeding travelling carriage 32 advances to stop 35, is positioned at the workpiece putting groove is accomplished flat head chamfering processing; stop 35 sent and accomplished processing signal and give controller this moment; controller control feeding cylinder 33 drives feeding travelling carriages 32 and retreats, and controller control chucking cylinder 46 rectilinear motions in the other direction open two and half claws 421 thereby half-nut 45 is outwards moved; to take out the workpiece that processes, continue next part workpiece is processed again fast when feeding travelling carriage 32 stops to retreat.
Use traditional instrument lathe to carry out the processing of pin nail flat head chamfering; 8 hours about 2000/platforms of class's output, and machine motor often damages, and use automatic chamfering beveler of the present invention to carry out the processing of pin nail flat head chamfering; 8 hours about 8000/platforms of class's output; And motor does not have the damage situation, and contrast can find out that automatic chamfering beveler of the present invention has not only improved production efficiency (can improve more than 4 times) significantly, and has prolonged the service life of motor effectively.
Claims (8)
1. automatic chamfering beveler; It is characterized in that comprising frame, revolution cutting mechanism, feed mechanism, click-on mechanism and controller; Described revolution cutting mechanism is mainly by being connected in circular cutting disk on the described frame, being arranged at the cutter on the described circular cutting disk and being connected and being used to drive described circular cutting disk motor rotating with described circular cutting disk and form; Described feed mechanism mainly by the feeding travelling carriage that is arranged at feeding track on the described frame, flexibly connect with described feeding track, be arranged on the described frame and be used to drive described feeding travelling carriage forward-reverse the feeding cylinder, be arranged on the described frame and be used to cushion described feeding travelling carriage translational speed hydraulic bjuffer and be arranged on the described frame and the stop that is used to control the workpiece processing length is formed; Described feeding travelling carriage is connected with the piston rod of described feeding cylinder; The direction of described feeding travelling carriage forward-reverse is axial consistent with described circular cutting disk; The magnetic valve of described feeding cylinder is connected with described controller respectively with described stop; Described click-on mechanism mainly is made up of jaw body and the claw that is placed in the top of described jaw body and is used to put workpiece; The bottom of described jaw body is connected with described feeding travelling carriage; Be provided with clamp assembly in the described jaw body, described claw is double opening structure, and described clamp assembly drives described claw open closed; Described cutter began flat head chamfering processing to the workpiece that is positioned at described claw when described feeding travelling carriage advanced to described hydraulic bjuffer; Described feeding travelling carriage is positioned at the workpiece of described claw and accomplishes flat head chamfering processing when advancing to described stop; Simultaneously described stop sends and accomplishes processing signal and give described controller, and described controller is controlled described feeding cylinder and driven described feeding travelling carriage and retreat.
2. a kind of automatic chamfering beveler according to claim 1; The axial rearward end that it is characterized in that described circular cutting disk is connected with described frame; Evenly be provided with a plurality of knife holder slots on the axial forward end end face of described circular cutting disk, be separately installed with tack cutter and rose reamer on a plurality of described knife holder slots.
3. a kind of automatic chamfering beveler according to claim 2; The number that it is characterized in that described knife holder slot is three, and the angle of the line of centres between the two ends of the line of centres between the two ends of described knife holder slot and adjacent described knife holder slot is 120 degree.
4. according to each described a kind of automatic chamfering beveler in the claim 1 to 3, it is characterized in that described frame is provided with the feeding cylinder block, described feeding cylinder is fixed on the described feeding cylinder block.
5. a kind of automatic chamfering beveler according to claim 4 is characterized in that described feeding travelling carriage is provided with push rod, and described push rod is connected with the piston rod of described feeding cylinder.
6. a kind of automatic chamfering beveler according to claim 5; It is characterized in that running through on the described jaw body the described jaw body left and right sides and be provided with the nut putting groove; Described claw comprises half claw of two symmetries; The direction of the inwall upper edge described feeding travelling carriage forward-reverse of described half claw is provided with the groove that runs through described half claw rear and front end, and two described grooves constitute the workpiece putting groove, and the axis of described workpiece putting groove and the axis of described circular cutting disk are on the same straight line; About comprising, described clamp assembly revolves double threaded screw, two half-nuts, chucking cylinder and rocking arms; Two described half-nuts are placed in the two ends of described nut putting groove respectively, described half-nut and described about revolve double threaded screw and be spirally connected, described half-nut is fixedly connected with described half claw; The magnetic valve of described chucking cylinder is connected with described controller; Described chucking cylinder is connected with described feeding travelling carriage, and the piston rod of described chucking cylinder is connected with an end of described rocking arm, the other end of described rocking arm with described about revolve double threaded screw an end be connected; Described rocking arm swing and drive and revolve the double threaded screw rotation about described during the piston rod rectilinear motion of described chucking cylinder, described half-nut drives described half claw open closed simultaneously.
7. a kind of automatic chamfering beveler according to claim 6 is characterized in that described feeding travelling carriage is provided with the chucking cylinder block, and described chucking cylinder is fixed on the described chucking cylinder block.
8. a kind of automatic chamfering beveler according to claim 6 is characterized in that an end that revolves double threaded screw about described is socketed with snap ring outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210288208.9A CN102814561B (en) | 2012-08-14 | 2012-08-14 | Automatic flat-end chambering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210288208.9A CN102814561B (en) | 2012-08-14 | 2012-08-14 | Automatic flat-end chambering machine |
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| Publication Number | Publication Date |
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| CN102814561A true CN102814561A (en) | 2012-12-12 |
| CN102814561B CN102814561B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210288208.9A Active CN102814561B (en) | 2012-08-14 | 2012-08-14 | Automatic flat-end chambering machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722244A (en) * | 2013-11-14 | 2014-04-16 | 苏州昌飞自动化设备厂 | Working steps of sound guide tube chamfering machine |
| CN108918224A (en) * | 2018-07-19 | 2018-11-30 | 北京首钢冷轧薄板有限公司 | A kind of processing unit (plant) and method of automatic amendment chamfering |
| CN111805017A (en) * | 2020-06-30 | 2020-10-23 | 临沂矿业集团菏泽煤电有限公司 | Bolt and nut cleaning and reusing device |
| CN114589228A (en) * | 2020-12-03 | 2022-06-07 | 汉达精密电子(昆山)有限公司 | Hole punching device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4116621C1 (en) * | 1990-06-27 | 1992-02-13 | Maschinenfabrik Reika-Werk Gmbh, 5800 Hagen, De | |
| JPH08294811A (en) * | 1995-04-25 | 1996-11-12 | Mitsubishi Heavy Ind Ltd | Chamfering device |
| CN201815728U (en) * | 2010-08-23 | 2011-05-04 | 荆州市九菱科技有限公司 | Machine tool for automatically chamfering inner circle of gear |
| CN202219359U (en) * | 2011-07-20 | 2012-05-16 | 天津海浩石油机械制造有限公司 | Flat head chamfering device for steel tube |
| CN202824894U (en) * | 2012-08-14 | 2013-03-27 | 宁波锦伟标准件有限公司 | Automatic flat-head chamfering machine |
-
2012
- 2012-08-14 CN CN201210288208.9A patent/CN102814561B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4116621C1 (en) * | 1990-06-27 | 1992-02-13 | Maschinenfabrik Reika-Werk Gmbh, 5800 Hagen, De | |
| JPH08294811A (en) * | 1995-04-25 | 1996-11-12 | Mitsubishi Heavy Ind Ltd | Chamfering device |
| CN201815728U (en) * | 2010-08-23 | 2011-05-04 | 荆州市九菱科技有限公司 | Machine tool for automatically chamfering inner circle of gear |
| CN202219359U (en) * | 2011-07-20 | 2012-05-16 | 天津海浩石油机械制造有限公司 | Flat head chamfering device for steel tube |
| CN202824894U (en) * | 2012-08-14 | 2013-03-27 | 宁波锦伟标准件有限公司 | Automatic flat-head chamfering machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722244A (en) * | 2013-11-14 | 2014-04-16 | 苏州昌飞自动化设备厂 | Working steps of sound guide tube chamfering machine |
| CN108918224A (en) * | 2018-07-19 | 2018-11-30 | 北京首钢冷轧薄板有限公司 | A kind of processing unit (plant) and method of automatic amendment chamfering |
| CN108918224B (en) * | 2018-07-19 | 2021-07-27 | 北京首钢冷轧薄板有限公司 | Machining device and method for automatically correcting chamfer |
| CN111805017A (en) * | 2020-06-30 | 2020-10-23 | 临沂矿业集团菏泽煤电有限公司 | Bolt and nut cleaning and reusing device |
| CN111805017B (en) * | 2020-06-30 | 2022-07-08 | 临沂矿业集团菏泽煤电有限公司 | Bolt and nut cleaning and reusing device |
| CN114589228A (en) * | 2020-12-03 | 2022-06-07 | 汉达精密电子(昆山)有限公司 | Hole punching device |
| CN114589228B (en) * | 2020-12-03 | 2024-05-14 | 汉达精密电子(昆山)有限公司 | Hole site punching device |
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| Publication number | Publication date |
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| CN102814561B (en) | 2014-09-03 |
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Address after: Kaohsiung Toyama District Beilun road 315803 Zhejiang city of Ningbo Province, No. 1 Applicant after: Ningbo Jinwei Fasteners Group Co., Ltd. Address before: Kaohsiung Toyama District Beilun road 315803 Zhejiang city of Ningbo Province, No. 1 Applicant before: Ningbo Jinwei Standard Part Co., Ltd. |
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Address after: Kaohsiung Toyama District Beilun road 315803 Zhejiang city of Ningbo Province, No. 1 Patentee after: Ningbo Jinwei Technology Group Co., Ltd. Address before: Kaohsiung Toyama District Beilun road 315803 Zhejiang city of Ningbo Province, No. 1 Patentee before: Ningbo Jinwei Fasteners Group Co., Ltd. |
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Effective date of registration: 20201215 Address after: 315803 3rd floor, No.1, building 1, no.612, Fuchunjiang Road, Xinqi, Beilun District, Ningbo City, Zhejiang Province Patentee after: NINGBO DAZHI MACHINE TECHNOLOGY Co.,Ltd. Address before: 315803 No. 1 Toyama South Road, Xiaogang, Beilun District, Ningbo, Zhejiang Patentee before: Ningbo Jinwei Technology Group Co.,Ltd. |
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