CN108188216B - Plate processing device - Google Patents
Plate processing device Download PDFInfo
- Publication number
- CN108188216B CN108188216B CN201711480481.0A CN201711480481A CN108188216B CN 108188216 B CN108188216 B CN 108188216B CN 201711480481 A CN201711480481 A CN 201711480481A CN 108188216 B CN108188216 B CN 108188216B
- Authority
- CN
- China
- Prior art keywords
- plate
- mold
- fixed case
- oil
- fixed
- 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
Links
- 239000003921 oil Substances 0.000 claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims abstract description 35
- 238000005452 bending Methods 0.000 claims abstract description 27
- 239000000446 fuel Substances 0.000 claims abstract description 21
- 239000011148 porous material Substances 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to field of machining more particularly to a kind of plate processing devices.Including rack, bending part, cleaning part and the portion that oils, bending part includes mold, fixed case and telescoping cylinder, mold is equipped with groove, limit plate is additionally provided on mold, fixed case is fixed on the rack, the both-side opening up and down of fixed case, and the briquetting to match with groove is equipped in fixed case, the two sides of fixed case are additionally provided with the intercommunicating pore passed through for plate, and pull rod is equipped between telescoping cylinder and mold；The portion of oiling includes fuel reserve tank and oil pump, is equipped with support base in fuel reserve tank, oil inlet pipe is communicated between oil pump and fuel reserve tank, flowline is equipped between oil pump and limit plate.Cleaning part includes the toilet seat and pushing mechanism positioned at fixed case two sides, and toilet seat is equipped with cleaning chamber, and cleaning chamber is equipped with oil-scrapping sheet, and pushing mechanism includes cylinder and push rod, and one end and the cylinder of push rod are fixed, and the other end is opposite with intercommunicating pore.This programme solves the problems, such as that plate bending effect is poor in the prior art.
Description
Technical field
The invention belongs to field of machining more particularly to a kind of plate processing devices.
Background technique
During modelling, it is often necessary to plate are bent into inverted trapezoidal to meet production needs.Traditional plate
Bending mode is directly bent to plate using trigger squeeze, however the plate harder for material, in bending process due to
Pressure by trigger squeeze is too big, plate easily by dabbing, weigh wounded, cause the plate finally bent out undesirable.To understand
Certainly this problem coats drawing oil in plate surface to lubricate plate, to protect plate.It oils in actual production to plate
General using manually oiling, oil low efficiency, and labour is big, is not easy to the batch bending of plate.
Summary of the invention
The purpose of the present invention is to provide a kind of plate processing devices, to improve plate bending quality.
In order to achieve the above object, base case of the invention are as follows: plate processing device, including rack, bending part, cleaning
Portion and the portion that oils, in which:
Bending part, including the mold, fixed case and telescoping cylinder set gradually from top to bottom, the mold is equipped with groove,
Two limit plates for fixed plate are additionally provided on mold, the fixed case is fixed on the rack, the two sides up and down of fixed case
It is open, the briquetting to match with the groove is fixed in fixed case, the two sides of the fixed case are also opposite to be equipped with for plate
By intercommunicating pore, the telescoping cylinder is also secured in rack, steady brace between telescoping cylinder and the mold；
Oil portion, including fuel reserve tank and oil pump, and the support base for being used to support the mold is equipped in the fuel reserve tank, described
It is communicated with oil inlet pipe between oil pump and fuel reserve tank, flowline is equipped between the oil pump and the limit plate；
Cleaning part, the pushing mechanism including the toilet seat of the fixed case two sides is arranged in and for pushing plate are described
Toilet seat is equipped with the cleaning chamber for accommodating plate, and the cleaning chamber level runs through and, the cleaning identical as groove shapes
Chamber is equipped with oil-scrapping sheet, and the pushing mechanism includes cylinder and push rod, and one end and the cylinder of the push rod are fixed, the other end and institute
It is opposite to state intercommunicating pore.
The principle of the invention lies in: plate to be bent is put on mold, limit plate limits plate, starting oil
Drawing oil in fuel reserve tank is extracted on plate by pump, oil pump, carries out upper oil lubrication to plate.After oiling, start telescoping cylinder, pull rod
Mobile to briquetting direction under the action of telescopic rod, briquetting then moves downward plate to groove inner bending relative to mold, makes
Plate is bent into the shape to match with groove.After plate bending forming, start cylinder, cylinder pushes push rod, and push rod will be bent
The cleaning that plate afterwards is pushed into toilet seat is intracavitary, the plate after bending oil-scrapping sheet and plate surface during cleaning chamber movement
It is in contact, so that the drawing oil on plate be scraped, that completes plate goes oil processing.
The beneficial effects of the present invention are:
1, the groove of briquetting and mold matches, after plate to be processed is put on mold, effect of the pull rod in telescoping cylinder
Lower driven mold moves upwards, and briquetting is opposite to move downward with mold and push plate, plate is folded into groove, due to pressure
Block can cooperate with groove, therefore plate can be bent out shape identical with groove completely into groove by briquetting.
2, the setting of limit plate avoid plate to groove bending during, plate because position shakiness be upturned due to lead
Plate is caused to bend underproof problem.
3, after plate bending, push rod is mobile to pressing plate direction in the presence of cylinder, one end and fixed case due to push rod
On intercommunicating pore it is opposite, plate is pushed into the cleaning chamber of toilet seat by push rod movement, and plate is mobile in cleaning chamber, oil-scrapping sheet just phase
Plate is moved round about and wipes the drawing oil adhered on plate off.After push rod can also detect the bending simultaneously
Whether plate is qualified, and push rod is qualified if it can push plate, if cannot push unqualified.
4, after plate is put on mold, the drawing oil in fuel reserve tank can be coated in plate by oil inlet pipe and flowline by oil pump
Material surface prevents from being pulled in plate bending process, effectively reduces rejection rate to be lubricated processing to plate.
Further, the one end of the push rod far from cylinder matches with the groove.
The one end of push rod far from cylinder can match with groove, and the shape of the processing as required for plate is and the groove
Shape is identical, therefore after plate bending, push rod can be completely attached to plate, consequently facilitating it is intracavitary to shift plate onto cleaning.
Further, the frizing end of the oil-scrapping sheet is equipped with protective case.
The setting of protective case scratches plate surface during can scraping drawing oil to avoid oil-scrapping sheet, influences beauty.
Further, the bottom of the toilet seat be equipped with the accommodating chamber that is connected to of cleaning chamber, the accommodating chamber with it is described
Return pipe is communicated between fuel reserve tank.
Drawing oil on plate just instills in accommodating chamber after being scraped by oil-scrapping sheet, by return pipe by the stretching in accommodating chamber
Oil is flowed back into fuel tank and is reused, and avoids the waste of drawing oil.
Further, the limit plate is arc-shaped.
The limit plate of arc avoids plate plate sliding during bending that bending effect is caused to reduce, or even does not conform to
Lattice.
Further, the pull rod is two and is oppositely arranged on the mold.
Two pull rods are oppositely arranged on mold, guarantee that mold movement under the action of pull rod is more steady.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention；
Fig. 2 is the longitudinal sectional view in the embodiment of the present invention after mold rising；
Fig. 3 is the left view structural representation of the toilet seat in Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes:
Rack 1, support base 21, mold 3, groove 31, limit plate 32, pull rod 33, briquetting 4, fixed case 5, connects fuel reserve tank 2
Through-hole 51, push rod 7, toilet seat 8, cleaning chamber 81, oil-scrapping sheet 82, return port 83, accommodating chamber 84, return pipe 85, stretches cylinder 6
Cylinder 9, oil pump 10, oil inlet pipe 11, flowline 12.
Embodiment is basic as shown in attached drawing 1, attached drawing 2 and attached drawing 3:
Plate processing device, including rack 1, bending part, oil portion and cleaning part, in which:
Bending part successively includes mold 3, fixed case 5 and telescoping cylinder 9 from top to bottom, and mold 3 is equipped in the recessed of inverted trapezoidal
Slot 31, the upper surface of mold 3 are additionally provided with two limit plates 32, and limit plate 32 is symmetrical arranged with 31 horizontal center line of groove front and back,
Limit plate 32 is arc, and limit plate 32 is made of rigid material, and limit plate 32 is equipped with oil outlet, and the front and back of mold 3 also both ends are equal
It is fixed with pull rod 33, the upper end of pull rod 33 and the telescopic rod of telescoping cylinder 9 are fixed, and fixed case 5 is fixed in rack 1, fixed case 5
Two sides up and down for cuboid, fixed case 5 are open, and briquetting 4 is equipped in fixed case 5, and briquetting 4 can match with groove 31,
The left and right sides of fixed case 5 is equipped with intercommunicating pore 51, and intercommunicating pore 51 is also in inverted trapezoidal.
The portion of oiling includes the fuel reserve tank 2 and oil pump 10 positioned at 3 lower section of mold, the upper end opening of fuel reserve tank 2, the use of fuel reserve tank 2
In accommodating drawing oil, the support base 21 for being used to support mold 3 is equipped in fuel reserve tank 2, be communicated between oil pump 10 and fuel reserve tank 2 into
Oil pipe 11 is additionally provided with flowline 12, the one end and oil outlet of flowline 12 close to limit plate 32 between oil pump 10 and limit plate 32
Connection.
Cleaning part includes toilet seat 8 and pushing mechanism, and toilet seat 8 is fixed in rack 1, and toilet seat 8 is located at fixed case 5
Left side, toilet seat 8 are equipped with the cleaning chamber 81 for accommodating plate, and cleaning chamber 81 and intercommunicating pore 51 are opposite, and cleaning chamber 81 is horizontal
Run through, cleaning chamber 81 is identical as the sheet shape after bending, and the upper hole wall of cleaning chamber 81 is equipped with several oil-scrapping sheets 82, oil-scrapping sheet 82
Lower end be equipped with protective case, the lower section that cleaning chamber 81 is located on toilet seat 8 is equipped with accommodating chamber 84, accommodating chamber 84 and cleaning chamber 81
Between be equipped with several return ports 83, return port 83 and accommodating chamber 84, cleaning chamber 81 are connected to, accommodating chamber 84 and fuel reserve tank 2 it
Between be communicated with return pipe 85；Pushing mechanism is located at the right side of fixed case 5 and opposite with toilet seat 8, and pushing mechanism includes 6 He of cylinder
Push rod 7, cylinder 6 are fixed in rack 1, and the right end and cylinder 6 of push rod 7 are fixed, and the left end of push rod 7 and intercommunicating pore 51 are opposite, and
For inverted trapezoidal.
The specific work process bent using the present apparatus to plate is as follows:
By plate to be processed from being placed on mold 3 between two limit plates 32 and covering groove 31, starting is oily
Pump 10, the drawing oil in fuel reserve tank 2 is extracted on plate by oil pump 10 by oil inlet pipe 11 and flowline 12, is moistened to plate
It is sliding.After plate lubrication, start telescoping cylinder 9, telescoping cylinder 9 drives pull rod to rise by telescopic rod, and pull rod 33 just pulls mold 3 upward
Movement, briquetting 4 then moves downward relative to mold 3 and pushes plate, makes plate to 31 inner bending of groove, by sheet fabrication at
The identical shape of groove 31, to realize the bending of plate.
After plate, which is bent, to be shaped, start cylinder 6, cylinder 6 pushes push rod 7, and plate is pushed by push rod 7 into intercommunicating pore 51
It cleans in chamber 81, for plate during cleaning mobile in chamber 81, oil-scrapping sheet 82 wipes the stretching oil liquid adhered on plate off, right
Plate carries out emptying, and the drawing oil unloaded will pass through return port 83 and enter in accommodating chamber 84, and return to oil storage by return pipe 85
In case 2, then the plate after emptying is taken out from cleaning chamber 81.Plate take out after, push rod 7 just under the action of cylinder 6 from
Dynamic return, after 7 return of push rod, telescoping cylinder 9 also drive pull rod 33 that mold 3 is pushed on support base 21, preparation plate next time
Bending.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (6)
1. plate processing device, it is characterised in that: including rack, bending part, cleaning part and the portion that oils, in which:
Bending part, including the mold, fixed case and telescoping cylinder set gradually from top to bottom, the mold is equipped with groove, mold
On be additionally provided with two limit plates for fixed plate, the fixed case is fixed on the rack, and the two sides up and down of fixed case are opened
Mouthful, the briquetting to match with the groove is fixed in fixed case, the two sides of the fixed case also opposite be equipped with passes through for plate
Intercommunicating pore, the telescoping cylinder is also secured in rack, steady brace between telescoping cylinder and the mold；
Oil portion, including fuel reserve tank and oil pump, and the support base for being used to support the mold, the oil pump are equipped in the fuel reserve tank
It is communicated with oil inlet pipe between fuel reserve tank, flowline is equipped between the oil pump and the limit plate；
Cleaning part, the pushing mechanism including the toilet seat of the fixed case two sides is arranged in and for pushing plate, the cleaning
Seat is equipped with cleaning chamber for accommodating plate, and the cleaning chamber level runs through and identical as groove shapes, on the cleaning chamber
Equipped with oil-scrapping sheet, the pushing mechanism includes cylinder and push rod, and one end and the cylinder of the push rod are fixed, the other end and the company
Through-hole is opposite.
2. plate processing device according to claim 1, it is characterised in that: the one end of the push rod far from cylinder with it is described
Groove matches.
3. plate processing device according to claim 2, it is characterised in that: the frizing end of the oil-scrapping sheet is equipped with protection
Set.
4. plate processing device according to claim 3, it is characterised in that: be equipped with and the cleaning chamber in the toilet seat
The accommodating chamber of connection is communicated with return pipe between the accommodating chamber and the fuel reserve tank.
5. plate processing device according to claim 4, it is characterised in that: the limit plate is arc-shaped.
6. plate processing device according to claim 5, it is characterised in that: the pull rod is two and is oppositely arranged on institute
It states on mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480481.0A CN108188216B (en) | 2017-12-29 | 2017-12-29 | Plate processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480481.0A CN108188216B (en) | 2017-12-29 | 2017-12-29 | Plate processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108188216A CN108188216A (en) | 2018-06-22 |
| CN108188216B true CN108188216B (en) | 2019-04-30 |
Family
ID=62586723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711480481.0A Active CN108188216B (en) | 2017-12-29 | 2017-12-29 | Plate processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108188216B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513778A (en) * | 2018-12-06 | 2019-03-26 | 安徽人防设备有限公司 | Defense equipment hinge page protective case compression molding device |
| CN110038929A (en) * | 2019-05-31 | 2019-07-23 | 嘉兴云顶机械设备有限公司 | A kind of bilateral apparatus for bending of the plate of accurate positioning |
| CN112355086A (en) * | 2020-08-12 | 2021-02-12 | 青岛增泰合精密制品有限公司 | A break first device off with fingers and thumb for refrigerator hinge |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100422650B1 (en) * | 2001-08-11 | 2004-03-11 | 현대자동차주식회사 | Press system for draw forming |
| CN201064810Y (en) * | 2007-06-25 | 2008-05-28 | 山东金麒麟集团有限公司 | Strip oiling device |
| CN201832849U (en) * | 2010-07-01 | 2011-05-18 | 上海西重所重型机械成套有限公司 | Roller type oil scraping device with quickly replaceable oil scraper |
| CN202861187U (en) * | 2012-10-31 | 2013-04-10 | 南京航空航天大学 | High-speed stamping die with low-temperature lubricating structure |
| CN204770241U (en) * | 2015-01-29 | 2015-11-18 | 珠海格莱利模具有限公司 | It is smart in cooling and lubrication circulating device |
| CN104841769A (en) * | 2015-04-30 | 2015-08-19 | 昆山电子羽电业制品有限公司 | Bending die with automatic oiling structure |
-
2017
- 2017-12-29 CN CN201711480481.0A patent/CN108188216B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108188216A (en) | 2018-06-22 |
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Effective date of registration: 20190606 Address after: 401120 Taoyuan Avenue, Shuangfengqiao Street, Yubei District, Chongqing Patentee after: CHONGQING INDUSTRY POLYTECHNIC College Address before: 401121 Shuangfengqiao Street, Yubei District, Chongqing City, 1002 Taoyuan Avenue, 5 Blocks of Lilac Shuixie Patentee before: CHONGQING JUBOYA TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230116 Address after: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Hefei Jiuzhou Longteng scientific and technological achievement transformation Co.,Ltd. Address before: 401120 Taoyuan Avenue, Shuangfengqiao Street, Yubei District, Chongqing Patentee before: CHONGQING INDUSTRY POLYTECHNIC College |
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Effective date of registration: 20230306 Address after: No. 71, Jiangzhuang Steel Market, Liangshan Street Office, Liangshan County, Jining City, Shandong Province 272600 Patentee after: Liangshan Yilong Cold-formed Steel Co.,Ltd. Address before: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Hefei Jiuzhou Longteng scientific and technological achievement transformation Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Plate processing device Effective date of registration: 20230303 Granted publication date: 20190430 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Pledgor: Liangshan Yilong Cold-formed Steel Co.,Ltd. Registration number: Y2023980034055 |
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