CN109249055A - A kind of fixture for multi-diameter shaft side-wall hole - Google Patents
A kind of fixture for multi-diameter shaft side-wall hole Download PDFInfo
- Publication number
- CN109249055A CN109249055A CN201811227630.7A CN201811227630A CN109249055A CN 109249055 A CN109249055 A CN 109249055A CN 201811227630 A CN201811227630 A CN 201811227630A CN 109249055 A CN109249055 A CN 109249055A
- Authority
- CN
- China
- Prior art keywords
- fixture
- seat
- rotatably assorted
- fixedly installed
- diameter 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.)
- Granted
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000005553 drilling Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to technical fields of mechanical processing, disclose a kind of fixture for multi-diameter shaft side-wall hole, including pedestal, the top of the pedestal is equipped with screw rod by bearing, and the screw drive motor for driving screw rod is fixedly installed on pedestal, it installs and has driven main Mobile base on the screw rod by screw thread, attachment base is equipped with by bearing on the main Mobile base, and be bolted on attachment base and gear is installed.The grip device that the present invention designs, which uses, can change the first of height and angle and be rotatably assorted seat and second seat that is rotatably assorted fixes the first fixture and the second fixture, so as to constantly change operating position during drilling, and drilling rod can be helped directly to drill through inclined hole, effectively instead of traditional trouble manually to drill, improve the processing efficiency of multi-diameter shaft with holes, and the device can be suitable for various sizes of multi-diameter shaft, and versatility is stronger, has very high practical value.
Description
Technical field
The present invention relates to technical field of mechanical processing, specially a kind of fixture for multi-diameter shaft side-wall hole.
Background technique
Multi-diameter shaft is a kind of common mechanical part, but partial step axis processing when need drill so as to not
Same components carry out cooperation fixation, and tradition mainly uses drilling machine to drill the mode of multi-diameter shaft drilling, but due to existing
Some drilling machine structures are relatively simple, and general only with the rotary motion of feed motion and main shaft, therefore, it is difficult to effectively in ladder
Inclined hole is opened up on axis, it is also difficult to the station of effective adjustment drilling, so that continuous drilling is carried out to the same multi-diameter shaft, it is existing
Fixture generally also only has the function of that clamping is fixed, it is also difficult to timely change the station of multi-diameter shaft.
If the clamping station of multi-diameter shaft can quickly be changed by inventing one kind, and drilling machine can be assisted to bore on multi-diameter shaft
The Novel clamp device of inclined hole is taken just to can be effectively solved problems, we provide one kind to be used for multi-diameter shaft side wall thus
The fixture of aperture.
Summary of the invention
The purpose of the present invention is to provide a kind of fixtures for multi-diameter shaft side-wall hole, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of fixture for multi-diameter shaft side-wall hole, packet
Pedestal is included, the top of the pedestal is equipped with screw rod by bearing, and the screw rod for driving screw rod is fixedly installed on pedestal
Driving motor is installed and has been driven by screw thread main Mobile base on the screw rod, is equipped on the main Mobile base by bearing
Attachment base, and be bolted on attachment base and gear is installed, it is fixedly installed on the main Mobile base for driving gear
The first angle of rotation adjusts motor, and the first push rod is fixedly installed on attachment base, and the driving end of first push rod is solid
Dingan County is equipped with first movement seat, and is slidably fitted with first on the inside of first movement seat and is rotatably assorted seat, and first rotation is matched
The outside for closing seat is integrally formed rack gear, and the second angle tune for driven gear ring rotation is fixedly installed on first movement seat
Whole motor, described first, which is rotatably assorted, is fixedly installed with a pair of the first gripping push rods being arranged symmetrically, and two first folders on seat
It is equipped on tight push rod a pair of for clamping the first fixture of workpiece；
It is bolted on the right side of the pedestal and a pair of second push rod is installed, and the driving end of the second push rod is fixed
Second Mobile base is installed, is equipped with second by bearing on second Mobile base and is rotatably assorted seat, and on the second Mobile base
It is bolted and is equipped with for driving the second third angle for being rotatably assorted seat rotation to adjust motor, second rotation is matched
Close and be equipped with second by bearing on seat and be rotatably assorted seat, and second be rotatably assorted seat rear end integrally formed with positioning tube, institute
It states second and is rotatably assorted on seat and be fixedly installed with a pair of of second support arm, and be symmetrically installed with a pair second in two second support arms and press from both sides
The driving end of tight push rod, second gripping push rods is fixedly installed with the second fixture.
Preferably, it described second is rotatably assorted on seat integrally formed with connection handle, and is fixedly installed with and is used on connection handle
The reset spring that connection second is rotatably assorted seat.
Preferably, first gripping push rods and the second gripping push rods are that single pole double-action hydraulic push rod or single pole are double
Acting pneumatic push rod, and the first gripping push rods and the second gripping push rods pass through three two-way valve controls of hand.
Preferably, first fixture and the second fixture are V-shaped groove fixture, and the first fixture and the second fixture pass through
Bolt and corresponding push rod are fixedly mounted.
Preferably, the first angle adjustment motor, second angle adjustment motor, third angle adjustment motor and screw rod drive
Dynamic motor is all made of the control of hand rotary switch.
Compared with prior art, the beneficial effects of the present invention are: the grip device that the present invention designs uses and can change
The first of height and angle is rotatably assorted seat and second seat that is rotatably assorted fixes the first fixture and the second fixture, so as to bore
Constantly change operating position during hole, and drilling rod can be helped directly to drill through inclined hole, effectively instead of traditional
The trouble manually to drill improves the processing efficiency of multi-diameter shaft with holes, and the device can be suitable for various sizes of ladder
Axis, versatility is stronger, has very high practical value.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cross-sectional view of structure of the invention；
Fig. 3 is the assembling schematic diagram of first movement seat and the first fixture of the present invention；
Fig. 4 is the assembling schematic diagram of the second Mobile base and the second fixture of the invention.
In figure: 1 pedestal, 2 screw rods, 3 screw drive motors, 4 first push rods, 5 second push rods, 6 second Mobile bases, 7 second
Be rotatably assorted seat, 8 positioning tubes, 9 reset springs, 10 connection handles, 11 second be rotatably assorted seat, 12 second support arms, 13 second clamp
Push rod, 14 second fixtures, 15 main Mobile bases, 16 first gripping push rods, 17 first fixtures, 18 first movement seats, 19 second angles
Adjustment motor, 20 gear rings, 21 attachment bases, 22 gears, 23 first angles adjustment motor, 24 first are rotatably assorted seat, 25 the third angles
Degree adjustment motor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Technical solution in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1 to FIG. 4: a kind of fixture for multi-diameter shaft side-wall hole, packet
Pedestal 1 is included, the top of pedestal 1 is equipped with screw rod 2 by bearing, and the screw rod for driving screw rod 2 is fixedly installed on pedestal 1
Driving motor 3, installs by screw thread and has driven main Mobile base 15 on screw rod 2, is equipped with company by bearing on main Mobile base 15
Joint chair 21, and be bolted on attachment base 21 and gear 22 is installed, it is fixedly installed on main Mobile base 15 for sliding tooth
The first angle of 22 rotation of wheel adjusts motor 23, and the first push rod 4 is fixedly installed on attachment base 21, the driving of the first push rod 4
End is fixedly installed with first movement seat 18, and the inside of first movement seat 18 is slidably fitted with first and is rotatably assorted seat 24, and
One outside for being rotatably assorted seat 24 is integrally formed rack gear 20, and is fixedly installed on first movement seat 18 for driven gear ring 20
The second angle of rotation adjusts motor 19, and first, which is rotatably assorted on seat 24, is fixedly installed with a pair of first be arranged symmetrically and clamps and push away
Bar 16, and be equipped on two the first gripping push rods 16 a pair of for clamping the first fixture 17 of workpiece；
The right side of pedestal 1, which is bolted, is equipped with a pair of second push rod 5, and the driving end of the second push rod 5 is fixed
Second Mobile base 6 is installed, is equipped with second by bearing on the second Mobile base 6 and is rotatably assorted seat 7, and on the second Mobile base 6
It is bolted and is equipped with for driving the second third angle for being rotatably assorted the rotation of seat 7 to adjust motor 25, the second rotation is matched
Close and be equipped with second by bearing on seat 7 and be rotatably assorted seat 11, and second be rotatably assorted seat 11 rear end integrally formed with positioning
Cylinder 8, second, which is rotatably assorted on seat 11, is fixedly installed with a pair of of second support arm 12, and is symmetrically installed with one in two second support arms 12
To the second gripping push rods 13, the driving end of the second gripping push rods 13 is fixedly installed with the second fixture 14.
Further, it second is rotatably assorted on seat 11 and is fixedly installed with integrally formed with connection handle 10, and on connection handle 10
For connecting the second reset spring 9 for being rotatably assorted seat 7.
Further, the first gripping push rods 16 and the second gripping push rods 13 are single pole double-action hydraulic push rod or single pole
Double acting air-leg, and the first gripping push rods 16 and the second gripping push rods 13 pass through three two-way valve controls of hand.
Further, the first fixture 17 and the second fixture 14 are V-shaped groove fixture, and the first fixture 17 and the second fixture 14
It is fixedly mounted by bolt and corresponding push rod.
Further, first angle adjustment motor 23, second angle adjustment motor 19, third angle adjustment motor 25 and silk
Bar driving motor 3 is all made of the control of hand rotary switch.
Working principle: when the device works, the device is fixedly mounted by bolt and Drilling machines bench first, is then needed
It wants the multi-diameter shaft of aperture to be placed in the first fixture 17, drives the first fixture 17 by ladder axle clamp by the first gripping push rods 16
Tightly, it drives first movement seat 18 to reach required angle followed by first angle adjustment motor 23, utilizes the first push rod 4 at this time
Drive first movement seat 18 mobile, to multi-diameter shaft be sent to specified height, followed by the second push rod 5 and third angle tune
The position that whole motor 25 adjusts the second active seat 7 avoids multi-diameter shaft so that the second fixture 14 be enable to clamp ladder the tip of the axis
It deforms in processing, which can not only drive main Mobile base 15 mobile when processing using screw rod 2, so as to
So that drill bit is carried out continuous drilling to the different location of multi-diameter shaft, and ladder can be rotated using second angle adjustment motor 19
Axis, so as to effectively drill to the position of same shaft part not having at angle, further due to first angle tune
Whole motor 23 and third angle adjustment motor 25 can make multi-diameter shaft with respect to the horizontal plane run-off the straight, therefore can effectively help
Drilling rod is helped to beat inclined hole on multi-diameter shaft.The device, which uses, can change highly be rotatably assorted with the first of angle seat 24 and second
The seat 7 that is rotatably assorted fixes the first fixture 17 and the second fixture 14, so as to constantly change working position during drilling
It sets, and drilling rod can be helped directly to drill through inclined hole, effectively instead of traditional trouble manually to drill, improve rank with holes
The processing efficiency of terraced axis, and the device can be suitable for various sizes of multi-diameter shaft, and versatility is stronger, has very high practical
Value.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of fixture for multi-diameter shaft side-wall hole, including pedestal (1), it is characterised in that: the top of the pedestal (1) is logical
It crosses bearing to be equipped with screw rod (2), and is fixedly installed with the screw drive motor (3) for driving screw rod (2), institute on pedestal (1)
It states and is installed and driven main Mobile base (15) by screw thread on screw rod (2), be equipped on the main Mobile base (15) by bearing
Attachment base (21), and be bolted and be equipped with gear (22) on attachment base (21), fixed peace on the main Mobile base (15)
Equipped with first angle adjustment motor (23) for driving gear (22) to rotate, and first is fixedly installed on attachment base (21) and is pushed away
The driving end of bar (4), first push rod (4) is fixedly installed with first movement seat (18), and first movement seat (18) is interior
Slideslip is equipped with first and is rotatably assorted seat (24), and the described first outside for being rotatably assorted seat (24) is integrally formed rack gear
(20), it and on first movement seat (18) is fixedly installed with second angle adjustment motor (19) for driven gear ring (20) rotation,
Described first, which is rotatably assorted, is fixedly installed with a pair of the first gripping push rods (16) being arranged symmetrically, and two first folders on seat (24)
It is equipped on tight push rod (16) a pair of for clamping the first fixture (17) of workpiece；
It is bolted on the right side of the pedestal (1) and a pair of second push rod (5) is installed, and the driving end of the second push rod (5)
End is fixedly installed with the second Mobile base (6), is equipped with second by bearing on second Mobile base (6) and is rotatably assorted seat (7),
And second is bolted on Mobile base (6) and is equipped with for drive second to be rotatably assorted the third angle tune that seat (7) rotate
Whole motor (25), described second, which is rotatably assorted on seat (7), is equipped with second by bearing and is rotatably assorted seat (11), and the second rotation
Integrally formed with positioning tube (8), described second, which is rotatably assorted on seat (11), is fixedly installed with a pair of for the rear end of matching seat (11)
Two support arms (12), and a pair of second gripping push rods (13) are symmetrically installed on two second support arms (12), second clamping pushes away
The driving end of bar (13) is fixedly installed with the second fixture (14).
2. a kind of fixture for multi-diameter shaft side-wall hole according to claim 1, it is characterised in that: second rotation
It is fixedly installed with integrally formed with connection handle (10) on matching seat (11), and on connection handle (10) and is rotatably assorted for connecting second
The reset spring (9) of seat (7).
3. a kind of fixture for multi-diameter shaft side-wall hole according to claim 1, it is characterised in that: described first clamps
Push rod (16) and the second gripping push rods (13) are single pole double-action hydraulic push rod or single pole double acting air-leg, and first
Gripping push rods (16) and the second gripping push rods (13) pass through three two-way valve controls of hand.
4. a kind of fixture for multi-diameter shaft side-wall hole according to claim 1, it is characterised in that: first fixture
(17) and the second fixture (14) is V-shaped groove fixture, and the first fixture (17) and the second fixture (14) are by bolt and corresponding
Push rod is fixedly mounted.
5. a kind of fixture for multi-diameter shaft side-wall hole according to claim 1, it is characterised in that: the first angle
Adjustment motor (23), second angle adjustment motor (19), third angle adjustment motor (25) and screw drive motor (3) are all made of
The control of hand rotary switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227630.7A CN109249055B (en) | 2018-10-22 | 2018-10-22 | Clamp for opening hole in side wall of stepped shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227630.7A CN109249055B (en) | 2018-10-22 | 2018-10-22 | Clamp for opening hole in side wall of stepped shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109249055A true CN109249055A (en) | 2019-01-22 |
| CN109249055B CN109249055B (en) | 2020-09-25 |
Family
ID=65045748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811227630.7A Active CN109249055B (en) | 2018-10-22 | 2018-10-22 | Clamp for opening hole in side wall of stepped shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109249055B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181083A (en) * | 2019-06-10 | 2019-08-30 | 成都恒力达科技有限公司 | A kind of process equipment of sewage purification system multiple-way valve |
| CN110340787A (en) * | 2019-08-09 | 2019-10-18 | 衢州学院 | Sapphire slice vertical double-sided grinding equipment |
| CN110450066A (en) * | 2019-07-26 | 2019-11-15 | 扬州市明和机械有限公司 | A kind of tooth shaft processing adjustable clamp facilitating drag and drop |
| CN111515844A (en) * | 2020-05-08 | 2020-08-11 | 玉环周浪汽配厂 | Quick burnishing machine in pipe surface |
| CN112720553A (en) * | 2020-11-24 | 2021-04-30 | 江苏汉田机械工业有限公司 | Aluminum plate combination formula of full-automatic aluminum plate saw is held in hand |
| CN113000944A (en) * | 2021-03-18 | 2021-06-22 | 汪闰 | Automatic processing equipment for automobile steering rocker arm |
| CN113650107A (en) * | 2021-07-23 | 2021-11-16 | 邢梦玉 | Wood pile processing equipment for children environment art design |
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| CN202877919U (en) * | 2012-09-27 | 2013-04-17 | 苏州市东立机械有限公司 | Stepped shaft punching clamp |
| CN204019216U (en) * | 2014-09-05 | 2014-12-17 | 浙江来源机械有限公司 | The multidiameter Quick-clamped frock that a kind of stability is high |
| CN104227078A (en) * | 2014-09-11 | 2014-12-24 | 河南飞龙(芜湖)汽车零部件有限公司 | Moving type axis part drilling fixture |
| KR20150000433A (en) * | 2013-06-24 | 2015-01-02 | 통-타이 머신 앤드 툴 코., 엘티디. | Feeding and leveling method and system for a flexible pcb drilling machine |
| CN204748107U (en) * | 2015-06-30 | 2015-11-11 | 重庆盛镁镁业有限公司 | Excavator hydraulic traveling motor pivot anchor clamps |
| CN206316791U (en) * | 2016-11-23 | 2017-07-11 | 大连升隆机械有限公司 | The multi-diameter shaft end flat milling tool of bull-dozer |
| CN107470946A (en) * | 2017-09-30 | 2017-12-15 | 徐州市伟华炉料有限公司 | A kind of casing boring grab |
| CN108145468A (en) * | 2016-12-06 | 2018-06-12 | 四川福庆隧道机械设备有限公司 | A kind of multi-diameter shaft clamp for machining |
-
2018
- 2018-10-22 CN CN201811227630.7A patent/CN109249055B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202877919U (en) * | 2012-09-27 | 2013-04-17 | 苏州市东立机械有限公司 | Stepped shaft punching clamp |
| KR20150000433A (en) * | 2013-06-24 | 2015-01-02 | 통-타이 머신 앤드 툴 코., 엘티디. | Feeding and leveling method and system for a flexible pcb drilling machine |
| CN204019216U (en) * | 2014-09-05 | 2014-12-17 | 浙江来源机械有限公司 | The multidiameter Quick-clamped frock that a kind of stability is high |
| CN104227078A (en) * | 2014-09-11 | 2014-12-24 | 河南飞龙(芜湖)汽车零部件有限公司 | Moving type axis part drilling fixture |
| CN204748107U (en) * | 2015-06-30 | 2015-11-11 | 重庆盛镁镁业有限公司 | Excavator hydraulic traveling motor pivot anchor clamps |
| CN206316791U (en) * | 2016-11-23 | 2017-07-11 | 大连升隆机械有限公司 | The multi-diameter shaft end flat milling tool of bull-dozer |
| CN108145468A (en) * | 2016-12-06 | 2018-06-12 | 四川福庆隧道机械设备有限公司 | A kind of multi-diameter shaft clamp for machining |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181083A (en) * | 2019-06-10 | 2019-08-30 | 成都恒力达科技有限公司 | A kind of process equipment of sewage purification system multiple-way valve |
| CN110181083B (en) * | 2019-06-10 | 2021-06-08 | 深圳市国日宏电子科技有限公司 | Processing equipment of multi-way valve for sewage purification system |
| CN110450066A (en) * | 2019-07-26 | 2019-11-15 | 扬州市明和机械有限公司 | A kind of tooth shaft processing adjustable clamp facilitating drag and drop |
| CN110340787A (en) * | 2019-08-09 | 2019-10-18 | 衢州学院 | Sapphire slice vertical double-sided grinding equipment |
| CN110340787B (en) * | 2019-08-09 | 2021-08-10 | 衢州学院 | Vertical double-sided grinding equipment for sapphire slices |
| CN111515844A (en) * | 2020-05-08 | 2020-08-11 | 玉环周浪汽配厂 | Quick burnishing machine in pipe surface |
| CN112720553A (en) * | 2020-11-24 | 2021-04-30 | 江苏汉田机械工业有限公司 | Aluminum plate combination formula of full-automatic aluminum plate saw is held in hand |
| CN113000944A (en) * | 2021-03-18 | 2021-06-22 | 汪闰 | Automatic processing equipment for automobile steering rocker arm |
| CN113650107A (en) * | 2021-07-23 | 2021-11-16 | 邢梦玉 | Wood pile processing equipment for children environment art design |
| CN113650107B (en) * | 2021-07-23 | 2023-08-18 | 南京未来正客企业管理有限公司 | Wood stake treatment facility for children's environmental art design |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109249055B (en) | 2020-09-25 |
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Effective date of registration: 20200828 Address after: Room 2508, block B, building 2, Lifeng commercial center, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: Suzhou Xinmu Intellectual Property Service Co.,Ltd. Address before: 230601 Anhui University, 111 Jiulong Road, Shushan, Anhui, Hefei Applicant before: Feng Junhui |
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