CN107030178A - Ring shaped metal workpiece burr removal device - Google Patents
Ring shaped metal workpiece burr removal device Download PDFInfo
- Publication number
- CN107030178A CN107030178A CN201710454377.8A CN201710454377A CN107030178A CN 107030178 A CN107030178 A CN 107030178A CN 201710454377 A CN201710454377 A CN 201710454377A CN 107030178 A CN107030178 A CN 107030178A
- Authority
- CN
- China
- Prior art keywords
- lead
- burr
- workpiece
- drift
- seat board
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 11
- 238000009527 percussion Methods 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
Abstract
The invention discloses a kind of ring shaped metal workpiece burr removal device, it is characterized in that provided with burr percussion mechanism, it includes upper bolster, die shoe, upper mounted plate, concave template, lower retainer plate, workpiece seat board, burr impacts drift and lead, upper mounted plate upper end is fixedly connected with upper bolster, lower end is fixedly connected with concave template, concave template lower surface is provided with lead jack and drift jack, lead jack is located at concave template center, lead jack periphery is uniformly fixed with drift jack, lower retainer plate lower end is fixedly connected with die shoe, upper end is fixedly connected with workpiece seat board, workpiece seat board upper surface is provided with lead and burr impact drift, lead is located at workpiece seat board plate center, lead periphery is laid with burr impact drift, lead top and lead fit depressions, burr impact drift top is engaged with drift jack with burr drift, it is novel with structure, good product quality, operating efficiency is high, the advantages of safe operation.
Description
Technical field
The present invention relates to metal-working plant, specifically a kind of ring shaped metal workpiece burr removal device is put.
Background technology
The content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, there is provided a kind of structure novelty, good product quality, work
The ring shaped metal workpiece burr removal device of efficiency high, safe operation.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of ring shaped metal workpiece burr removal device, it is characterised in that provided with burr percussion mechanism, it includes upper bolster, lower mould
Seat, upper mounted plate, concave template, lower retainer plate, workpiece seat board, burr impact drift and lead, the upper bolster and die shoe
Mirror image is set up and down, and fixed plate upper end is fixedly connected with upper bolster, and lower end is fixedly connected with concave template, the concave template
Lower surface is provided with lead jack and drift jack, and the lead jack is located at concave template center, the lead jack
Periphery is uniformly fixed with drift jack, and the lower retainer plate lower end is fixedly connected with die shoe, and upper end is fixed with workpiece seat board
Connection, the workpiece seat board upper surface is fixed with lead and burr impact drift, and the lead is located at workpiece seat board plate
Center, the lead periphery is laid with burr impact drift, the lead top and lead fit depressions, described
Burr impact drift top is engaged with drift jack with burr drift, can be by annular when the burr on annular workpieces to be gone
Workpiece is enclosed on lead and burr impact drift, then, starts control device, and control device driving upper bolster is vertically moved down,
The workpiece being sitting on workpiece seat board is impacted by the concave template of upper bolster lower end, and then the burr of workpiece surface is carried out
Remove, reached good product quality, the high effect of operating efficiency.
The present invention can be provided with workpiece reception device in die shoe side, and the concave template is embedded with electromagnet, the electromagnetism
Iron is connected with control device, the workpiece seat board be nonmagnetic metal material, the workpiece reception device include oscillating cylinder,
Swing rod, receiver and position sensor, the oscillating cylinder is through control device control, and the oscillating cylinder is fixed with die shoe to be connected
Connect, described swing rod one end is fixedly connected with the expansion link of oscillating cylinder, and the other end is fixedly connected with receiver, the position sensing
Device is located at receiver side, and the position sensor is connected with control device, after workpiece removes flash removed, and control device is to refer to
Make electromagnet charge, by concave template adhesive workpiece, and moved up with workpiece, leave workpiece seat board, when workpiece leaves workseat
After plate, next workpiece to be processed can be enclosed on lead and burr impact drift on workpiece seat board by operator
On, while workpiece is brought away from, oscillating cylinder starts action, after workpiece is brought to specified altitude assignment, and oscillating cylinder is to drive
Receiver horizontal rotation is to concave template lower section, after position sensor senses information in place, and control device is that instruction electromagnet loses
Electricity, workpiece is to lose magnetic force and vertically fall on receiver, then, and receiver under the drive of oscillating cylinder reversely revolve again by level
Be transferred out of, operator can take out the workpiece after deburring, it is to avoid the workpiece processed mutually collide caused by again
It is secondary unqualified, make the surface of workpiece processed smooth, highly polished, meet processing request.
The present invention provided with burr can cut blow device between lead lower end and workpiece seat board, and the burr cuts blow device
Including air blowing disk, gas blow pipe and air pump, the air blowing disk be between upper annulus, lower annulus and upper annulus and lower annulus the circle spacing
The aeroscopic plate of setting is formed by fixedly connecting, and the air pump is fixed on die shoe and workpiece through control device control, the gas blow pipe
On seat board, the gas blow pipe lower end is connected with air pump by the road, and upper end is provided with gas hole, and the gas hole is connected with air blowing disk
It is logical, so that gas passage of the gas between aeroscopic plate is blown on work die holder, the burr for the die holder upper surface that works is cut quickly
Blow down, reached operating efficiency height, the effect of safe operation.
The present invention can be provided with pickup groove in receiver side wall, to reach the sheet type workpiece for quickly removing annular.
The present invention is due to using said structure, with structure novelty, good product quality, operating efficiency height, safe operation etc.
Advantage.
Brief description of the drawings
Structural representation when Fig. 1 is stamped workpieces of the present invention.
Fig. 2 is structural representation when driving after punching press of the present invention the workpiece to rise.
Reference：Upper bolster 1, die shoe 2, upper mounted plate 3, concave template 4, lower retainer plate 5, workpiece seat board 6, burr punching
Hit drift 7 and the oscillating cylinder 11 of 8 workpiece of lead, 9 electromagnet 10, swing rod 12, receiver 13 and the air blowing disk of position sensor 14
15th, gas blow pipe 16, air pump 17.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings：
A kind of ring shaped metal workpiece burr removal device, it is characterised in that provided with burr percussion mechanism, it include upper bolster 1, under
Die holder 2, upper mounted plate 3, concave template 4, lower retainer plate 5, workpiece seat board 6, burr impact drift 7 and lead 8, the upper bolster
1 and die shoe about 2 mirror image set, the fixed upper end of plate 3 is fixedly connected with upper bolster 1, and company is fixed in lower end with concave template 4
Connect, the lower surface of concave template 4 is provided with lead jack and drift jack, the lead jack is located at concave template center,
The lead jack periphery is uniformly fixed with drift jack, and the lower lower end of retainer plate 5 is fixedly connected with die shoe 2, on
End is fixedly connected with workpiece seat board 6, and the upper surface of workpiece seat board 6 is fixed with lead 8 and burr impact drift 7, described
Lead 8 is located at the center of workpiece seat board 6, and the periphery of lead 8 is laid with burr impact drift 7, the top of lead 8
With lead fit depressions, the burr impact top of drift 7 is engaged with drift jack with burr drift, when annular to be gone
During burr on workpiece, annular workpieces 9 can be enclosed on lead 8 and burr impact drift 7, then, start control device, control
Device driving upper bolster 1 processed is vertically moved down, and the workpiece being sitting in by 4 pairs of the concave template of the lower end of upper bolster 1 on workpiece seat board 6 is carried out
Impact, and then the burr of workpiece surface is removed, reach good product quality, the high effect of operating efficiency.
The present invention can be provided with workpiece reception device in the side of die shoe 2, and the concave template 4 is embedded with electromagnet 10, described
Electromagnet 10 is connected with control device, and the workpiece seat board 6 is nonmagnetic metal material, and the workpiece reception device includes pendulum
Take offence cylinder 11, swing rod 12, receiver 13 and position sensor 14, the oscillating cylinder 11 is through control device control, the swing
Cylinder 11 is fixedly connected with die shoe 2, and described one end of swing rod 12 is fixedly connected with the expansion link of oscillating cylinder 11, and the other end is with connecing
Charging tray 13 is fixedly connected, and the position sensor 14 is located at the side of receiver 13, the position sensor 14 and control device phase
Connection, after workpiece removes flash removed, control device is that instruction electromagnet 10 charges, by the adhesive workpiece of concave template 4, and with work
Part is moved up, and leaves workpiece seat board 6, after workpiece leaves workpiece seat board 6, and operator can be by next workpiece set to be processed
On the lead 8 on workpiece seat board 6 and burr impact drift 7, while workpiece is brought away from, oscillating cylinder 11 starts to move
Make, after workpiece is brought to specified altitude assignment, oscillating cylinder 11 drives the horizontal rotation of receiver 13 to the lower section of concave template 4, works as position
Put sensor 14 to sense after information in place, control device is the instruction dead electricity of electromagnet 10, and workpiece is to lose magnetic force and vertically fall
On receiver 13, then, level is reversely rotated and removed receiver 13 again under the drive of oscillating cylinder 11, and operator can be by
Workpiece after deburring takes out, it is to avoid the workpiece processed is unqualified again caused by mutually colliding, and makes the work processed
The surface of part is smooth, highly polished, meets processing request.
The present invention provided with burr can cut blow device between the lower end of lead 8 and workpiece seat board 6, and the burr cuts purging dress
Put including air blowing disk 15, gas blow pipe 16 and air pump 17, the air blowing disk 15 is by upper annulus, lower annulus and upper annulus and lower annulus
Between the circle spacing set aeroscopic plate be formed by fixedly connecting, so as to form gas passage between adjacent aeroscopic plate, the air pump 17 is passed through
Control device is controlled, and the gas blow pipe 16 is fixed on die shoe 2 and workpiece seat board 6, the lower end of gas blow pipe 16 by the road with
Air pump 17 is connected, and upper end is provided with gas hole, and the gas hole is connected with air blowing disk, so that gas of the gas between aeroscopic plate
Body passage is blown on work die holder, and the burr for the die holder upper surface that works is cut into quick blowing, has reached that operating efficiency is high, operate peace
Full effect.
The present invention can be provided with pickup groove in receiver side wall, to reach the sheet type workpiece for quickly removing annular.
The present invention can cut reception provided with burr in described die shoe periphery and enclose groove, in favor of receiving the gas being insufflated in disk
The burr of body blowout is cut, and reaches effect easy to use.
Die shoe when mounted, is fixed on body, upper bolster is fixed on body upper end and is fixed with by the present invention first
Lifting fluid cylinder expansion link lower end, operationally, control device connection power supply, operator is by workpiece set to be de-burred
Drift is impacted to lead and burr and is sitting on workpiece seat board, and control device driving lifting fluid cylinder action drives upper bolster fast
Speed is vertically moved down, and the workpiece being sitting on workpiece seat board is impacted by the concave template of upper bolster lower end, and then to workpiece table
The burr in face is removed, and has reached good product quality, the high effect of operating efficiency, and after burr is removed, control device is
Electromagnet charging is instructed, by concave template adhesive workpiece, and is moved up with workpiece, leaves workpiece seat board, in the workpiece processed
Leave after workpiece seat board, control device instruction air pump work, by the water conservancy diversion of air scoop, makes gas blow to work along aeroscopic plate
On die holder, the burr for the die holder upper surface that works is cut into blowing, burr has been automatically removed and has cut, reached that operating efficiency is high, operate peace
Full effect；Then next workpiece to be processed can be enclosed on the lead on workpiece seat board and burr impact by operator
On drift, while manufactured workpiece is brought away from, oscillating cylinder also begins to action, when workpiece is brought to specified altitude assignment
Afterwards, oscillating cylinder is to drive receiver horizontal rotation to concave template lower section, after position sensor senses information in place, control dress
I.e. instruction electromagnet dead electricity is put, workpiece is to lose magnetic force and vertically fall on receiver, because receiver and workpiece are apart from short,
During vertical drop, the finish of workpiece surface is not interfered with, therefore, the crudy of workpiece is substantially increased；Then,
Level reversely rotates removal to receiver again under the drive of oscillating cylinder, and operator can take the workpiece after deburring safely
Go out, it is to avoid the workpiece processed is unqualified again caused by mutually colliding, make the surface of workpiece processed smooth, bright and clean
Degree is high, meets processing request.
The present invention is due to using said structure, with structure novelty, good product quality, operating efficiency height, safe operation etc.
Advantage.
Claims (4)
1. a kind of ring shaped metal workpiece burr removal device, it is characterised in that provided with burr percussion mechanism, it include upper bolster, under
Die holder, upper mounted plate, concave template, lower retainer plate, workpiece seat board, burr impact drift and lead, the upper bolster and lower mould
Mirror image is set above and below seat, and fixed plate upper end is fixedly connected with upper bolster, and lower end is fixedly connected with concave template, the cavity plate
Plate lower surface is provided with lead jack and drift jack, and the lead jack is located at concave template center, and the lead is inserted
Hole periphery is uniformly fixed with drift jack, and the lower retainer plate lower end is fixedly connected with die shoe, and upper end is consolidated with workpiece seat board
Fixed connection, the workpiece seat board upper surface is fixed with lead and burr impact drift, and the lead is located at workpiece seat board
Plate center, the lead periphery is laid with burr impact drift, the lead top and lead fit depressions, institute
Burr impact drift top is stated to be engaged with drift jack with burr drift.
2. a kind of ring shaped metal workpiece burr removal device according to claim 1, it is characterised in that the die shoe one
Side is provided with workpiece reception device, and the concave template is embedded with electromagnet, and the electromagnet is connected with control device, the workpiece
Seat board is nonmagnetic metal material, and the workpiece reception device includes oscillating cylinder, swing rod, receiver and position sensor, institute
Oscillating cylinder is stated through control device control, the oscillating cylinder is fixedly connected with die shoe, described swing rod one end and oscillating cylinder
Expansion link be fixedly connected, the other end is fixedly connected with receiver, and the position sensor is located at receiver side, the position
Sensor is connected with control device.
3. a kind of ring shaped metal workpiece burr removal device according to claim 1, it is characterised in that under the lead
Blow device is cut provided with burr between end and workpiece seat board, the burr, which cuts blow device, includes air blowing disk, gas blow pipe and air pump, institute
It is that the aeroscopic plate that the circle spacing is set between upper annulus, lower annulus and upper annulus and lower annulus is formed by fixedly connecting to state air blowing disk,
The air pump is fixed on die shoe and workpiece seat board through control device control, the gas blow pipe, and the gas blow pipe lower end is through pipe
Road is connected with air pump, and upper end is provided with gas hole, and the gas hole is connected with air blowing disk.
4. a kind of ring shaped metal workpiece burr removal device according to claim 1, it is characterised in that the receiver side
Wall is provided with pickup groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454377.8A CN107030178B (en) | 2017-06-16 | 2017-06-16 | Ring shaped metal workpiece burr removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454377.8A CN107030178B (en) | 2017-06-16 | 2017-06-16 | Ring shaped metal workpiece burr removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107030178A true CN107030178A (en) | 2017-08-11 |
| CN107030178B CN107030178B (en) | 2019-04-02 |
Family
ID=59541388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710454377.8A Active CN107030178B (en) | 2017-06-16 | 2017-06-16 | Ring shaped metal workpiece burr removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107030178B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231764A (en) * | 2018-03-06 | 2019-09-13 | 尼瓦洛克斯-法尔股份有限公司 | Method of the manufacture for the edge block through diamond polishing of clock and watch |
| CN110666044A (en) * | 2019-11-20 | 2020-01-10 | 四川航天长征装备制造有限公司 | Storage tank bottom convex hole die |
| CN110814134A (en) * | 2019-11-20 | 2020-02-21 | 四川航天长征装备制造有限公司 | Method for forming convex hole in bottom of storage box |
| CN111136542A (en) * | 2019-12-25 | 2020-05-12 | 芜湖创挚汽车科技有限公司 | Automatic processing equipment of doing over again |
| CN111299397A (en) * | 2020-03-05 | 2020-06-19 | 汤成 | Burr-free stamping die |
| CN114346050A (en) * | 2021-11-25 | 2022-04-15 | 安徽铭旋汽车零部件有限公司 | Aluminum profile and punching device for manufacturing luggage rack cross rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05200530A (en) * | 1992-01-21 | 1993-08-10 | Toyota Motor Corp | Device for removing burr |
| US5492001A (en) * | 1994-01-18 | 1996-02-20 | Kabushiki Kaisha Yutaka Giken | Method and apparatus for working burred portion of workpiece |
| CN2721273Y (en) * | 2004-05-25 | 2005-08-31 | 河南新飞电器有限公司 | Double-directional blanking mould |
| CN103817205A (en) * | 2012-11-17 | 2014-05-28 | 安徽蓝德集团股份有限公司 | Stamping die with function of automatic receiving |
| CN203972582U (en) * | 2014-01-29 | 2014-12-03 | 柳州市志通汽车零部件有限公司 | A kind of spoke is pressed wind hole burr mould |
| CN204564896U (en) * | 2015-04-15 | 2015-08-19 | 天津众拓创辉科技有限公司 | A kind of hole punched device of automatically removing burr |
| CN204711038U (en) * | 2015-04-14 | 2015-10-21 | 蒙城佳仕龙机械制造有限公司 | A kind of gathering-device of car crust punching machine iron filings |
| CN207026236U (en) * | 2017-06-16 | 2018-02-23 | 威海华邦精冲科技股份有限公司 | Ring shaped metal workpiece burr removal device |
-
2017
- 2017-06-16 CN CN201710454377.8A patent/CN107030178B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05200530A (en) * | 1992-01-21 | 1993-08-10 | Toyota Motor Corp | Device for removing burr |
| US5492001A (en) * | 1994-01-18 | 1996-02-20 | Kabushiki Kaisha Yutaka Giken | Method and apparatus for working burred portion of workpiece |
| CN2721273Y (en) * | 2004-05-25 | 2005-08-31 | 河南新飞电器有限公司 | Double-directional blanking mould |
| CN103817205A (en) * | 2012-11-17 | 2014-05-28 | 安徽蓝德集团股份有限公司 | Stamping die with function of automatic receiving |
| CN203972582U (en) * | 2014-01-29 | 2014-12-03 | 柳州市志通汽车零部件有限公司 | A kind of spoke is pressed wind hole burr mould |
| CN204711038U (en) * | 2015-04-14 | 2015-10-21 | 蒙城佳仕龙机械制造有限公司 | A kind of gathering-device of car crust punching machine iron filings |
| CN204564896U (en) * | 2015-04-15 | 2015-08-19 | 天津众拓创辉科技有限公司 | A kind of hole punched device of automatically removing burr |
| CN207026236U (en) * | 2017-06-16 | 2018-02-23 | 威海华邦精冲科技股份有限公司 | Ring shaped metal workpiece burr removal device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231764A (en) * | 2018-03-06 | 2019-09-13 | 尼瓦洛克斯-法尔股份有限公司 | Method of the manufacture for the edge block through diamond polishing of clock and watch |
| CN110666044A (en) * | 2019-11-20 | 2020-01-10 | 四川航天长征装备制造有限公司 | Storage tank bottom convex hole die |
| CN110814134A (en) * | 2019-11-20 | 2020-02-21 | 四川航天长征装备制造有限公司 | Method for forming convex hole in bottom of storage box |
| CN111136542A (en) * | 2019-12-25 | 2020-05-12 | 芜湖创挚汽车科技有限公司 | Automatic processing equipment of doing over again |
| CN111299397A (en) * | 2020-03-05 | 2020-06-19 | 汤成 | Burr-free stamping die |
| CN111299397B (en) * | 2020-03-05 | 2021-07-27 | 山东神力索具有限公司 | Burr-free stamping die |
| CN114346050A (en) * | 2021-11-25 | 2022-04-15 | 安徽铭旋汽车零部件有限公司 | Aluminum profile and punching device for manufacturing luggage rack cross rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107030178B (en) | 2019-04-02 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Deburring device for annular metal workpiece Effective date of registration: 20210330 Granted publication date: 20190402 Pledgee: Shandong Rushan rural commercial bank Limited by Share Ltd. Pledgor: WEIHAI HUABANG FINEBLANKING Co.,Ltd. Registration number: Y2021980002204 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220530 Granted publication date: 20190402 Pledgee: Shandong Rushan rural commercial bank Limited by Share Ltd. Pledgor: WEIHAI HUABANG FINEBLANKING CO.,LTD. Registration number: Y2021980002204 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Ring metal workpiece burr removal device Effective date of registration: 20230213 Granted publication date: 20190402 Pledgee: Shandong Rushan rural commercial bank Limited by Share Ltd. Pledgor: WEIHAI HUABANG FINEBLANKING CO.,LTD. Registration number: Y2023980032377 |
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Address after: 264500 No.2, Guangzhou road, Rushan Economic Development Zone, Weihai City, Shandong Province Patentee after: Weihai Huabang Precision Industry Co.,Ltd. Address before: 264500 No.2, Guangzhou road, Rushan Economic Development Zone, Weihai City, Shandong Province Patentee before: WEIHAI HUABANG FINEBLANKING CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190402 Pledgee: Shandong Rushan rural commercial bank Limited by Share Ltd. Pledgor: WEIHAI HUABANG FINEBLANKING CO.,LTD. Registration number: Y2023980032377 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |