CN209550342U - Sheet stamping device - Google Patents
Sheet stamping device Download PDFInfo
- Publication number
- CN209550342U CN209550342U CN201822217281.2U CN201822217281U CN209550342U CN 209550342 U CN209550342 U CN 209550342U CN 201822217281 U CN201822217281 U CN 201822217281U CN 209550342 U CN209550342 U CN 209550342U
- Authority
- CN
- China
- Prior art keywords
- stamping device
- damping
- spring
- fixedly installed
- vibration damper
- 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
- 238000013016 damping Methods 0.000 claims abstract description 66
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000003139 buffering effect Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 abstract description 14
- 238000012797 qualification Methods 0.000 abstract description 8
- 239000000872 buffer Substances 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 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 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of sheet stamping devices, including offering dashpot at the top of damping base, damping trough is offered on the two sides inner wall of dashpot, the same vibration damper plate is slidably fitted in two damping troughs, placing groove is offered at the top of vibration damper plate, the stamping device ontology for being set as hollow structure is placed in placing groove, and the top of stamping device ontology extends to the top of damping base, the two sides of the bottom of vibration damper plate are fixedly installed with damping spring, the bottom end of two damping springs is fixedly installed in respectively in the bottom interior wall of corresponding damping trough, limiting slot is offered in the bottom interior wall of dashpot, there are two tilt symmetrically arranged articulated slab for rotational installation in limiting slot.The utility model structure is simple, easy to operate, buffers when can quickly and easily work stamping device ontology to it, reduces its vibration, ensured the qualification rate of thin skin plate punching press, so meeting the demand of people.
Description
Technical field
The utility model relates to stamping device technical field more particularly to a kind of sheet stamping devices.
Background technique
Steel plate is that the ratio between a kind of width and thickness very big flat section steel, so-called plate typically refer to that shearing
For the product of cut lengths, according to thickness difference, steel plate generally can be divided into cut deal, thin plate and foil three categories, generally
Think, the thick plate from 0.2 millimeter to 4.0 millimeters belongs to thin plate one kind, and thickness incorporates cut deal at 4.0 millimeters or more, and thickness
0.2 millimeter it is below just broadly can be regarded as foil, punching press is depended on pressure machine and mold to plate, band, tubing and profile etc.
Apply external force, be allowed to generate plastic deformation or separation, thus the forming and machining method of the workpiece of shape and size needed for obtaining, punching
Pressure and forging belong to plastic processing, are collectively referred to as forging and pressing, punch process is to make plate by means of the power of conventional or dedicated stamping equipment
It directly by deformation force and is deformed in mold, so that certain shapes is obtained, the production of the product parts of size and performance
Technology, it is in the prior art, excessive because shaking when punching press, it is easy to cause thin skin plate punching press to fail, and will lead to punching press dress
The damage set reduces its service life, so not being able to satisfy the demand of people.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the sheet stamping device proposed.
To achieve the goals above, the utility model adopts the technical scheme that
Sheet stamping device, including damping base offer dashpot, the two sides of dashpot at the top of the damping base
Damping trough is offered on inner wall, and the same vibration damper plate is slidably fitted in two damping troughs, offers and puts at the top of vibration damper plate
Slot is set, the stamping device ontology for being set as hollow structure is placed in placing groove, and the top of stamping device ontology extends to and subtracts
The top of pedestal is shaken, the two sides of the bottom of vibration damper plate are fixedly installed with damping spring, and the bottom end of two damping springs is fixed respectively
It is installed in the bottom interior wall of corresponding damping trough, limiting slot, rotation in limiting slot is offered in the bottom interior wall of dashpot
Installation is all extended in dashpot and is rotated there are two symmetrically arranged articulated slab, one end that two articulated slabs are located remotely from each other is tilted
Idler wheel is installed, and one end that two idler wheels are located remotely from each other rolls connection with the bottom of vibration damper plate, two articulated slabs are mutually remote
From side be fixedly installed with limit spring, one end that two limit springs are located remotely from each other is solid with the bottom interior wall of dashpot
Fixed connection, the two sides of damping base offer sliding slot, sliding block are slidably fitted in two sliding slots, is opened up on two sliding blocks
Have a location hole, two positioning holes are slidably fitted with locating rod, and the top of locating rod and bottom end respectively with corresponding cunning
The top inner wall of slot is fixedly connected with bottom interior wall, and the bottom of two sliding blocks, which is fixedly installed with to be sheathed on the outside of locating rod, determines
Position spring, the bottom end of retaining spring is fixedly installed in the bottom interior wall of sliding slot.
Preferably, one end that two sliding blocks are located remotely from each other all extends to the outside of damping base and is fixedly installed with limit
Plate.
Preferably, two limit plate sides close to each other are fixedly installed with mounting rod, and two mounting rods are close to each other
Side be fixedly connected with stamping device ontology.
Preferably, the bottom of two mounting rods is fixedly installed with installation spring, pacifies spring-loaded bottom end and is fixedly installed in
The top of damping base.
Preferably, it is multiple for pacifying spring-loaded quantity, and multiple installation springs equidistantly distribute installing in horizontal direction
The bottom of bar and the top of damping base.
Preferably, press machine, the bottom of stamping device ontology are fixedly installed in the top inner wall of the stamping device ontology
Portion is placed with thin skin plate, and is in contact at the top of the bottom end of press machine and thin skin plate.
Preferably, the both ends of the vibration damper plate are embedded with multiple balls, and multiple balls respectively with corresponding damping
The dynamic connection of trough roller.
The utility model has the beneficial effects that
Pass through damping base, dashpot, damping trough, vibration damper plate, placing groove, stamping device ontology, damping spring, limit
Slot, articulated slab, idler wheel, limit spring, sliding slot, sliding block, location hole, locating rod and retaining spring mutual cooperation under, can be fast
Speed buffers it when easily working stamping device ontology, reduces its vibration, has ensured the qualification of thin skin plate punching press
Rate, so meet the demand of people, in use, when this body running of stamping device, stamping device ontology drive vibration damper plate into
Row movement, vibration damper plate compression shock absorption spring, damping spring energy-absorbing, meanwhile, vibration damper plate drives idler wheel to be rolled, and idler wheel drives hinge
Fishplate bar is moved, articulated slab compression limit spring, limit spring energy-absorbing, meanwhile, stamping device ontology drives mounting rod to carry out
Mobile, mounting rod drives limit plate to be moved, and limit plate band movable slider is moved, and sliding block compression set spring positions bullet
Spring energy-absorbing, by completing to stamping device ontology under the recoil of spring active force of damping spring, limit spring and retaining spring
Buffering, the utility model structure is simple, easy to operate, carries out when can quickly and easily work stamping device ontology to it
Buffering, reduces its vibration, has ensured the qualification rate of thin skin plate punching press, so meeting the demand of people.
Detailed description of the invention
Fig. 1 be the utility model proposes sheet stamping device schematic view of the front view；
Fig. 2 be the utility model proposes sheet stamping device part A structural schematic diagram；
Fig. 3 be the utility model proposes sheet stamping device damping base schematic perspective view.
In figure: 1 damping base, 2 dashpots, 3 damping troughs, 4 vibration damper plates, 5 placing grooves, 6 stamping device ontologies, 7 damping bullets
Spring, 8 limiting slots, 9 articulated slabs, 10 idler wheels, 11 limit springs, 12 sliding slots, 13 sliding blocks, 14 location holes, 15 locating rods, 16 positioning bullets
Spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, sheet stamping device, including damping base 1, the top of damping base 1 offer dashpot 2, delay
Damping trough 3 is offered on the two sides inner wall of jet-bedding 2, and the same vibration damper plate 4, vibration damper plate 4 are slidably fitted in two damping troughs 3
Top offer placing groove 5, the stamping device ontology 6 for being set as hollow structure, and stamping device sheet are placed in placing groove 5
The top of body 6 extends to the top of damping base 1, and the two sides of the bottom of vibration damper plate 4 are fixedly installed with damping spring 7, and two subtract
The bottom end of shake spring 7 is fixedly installed in respectively in the bottom interior wall of corresponding damping trough 3, is opened in the bottom interior wall of dashpot 2
Equipped with limiting slot 8, rotational installation is located remotely from each other there are two symmetrically arranged articulated slab 9, two articulated slabs 9 are tilted in limiting slot 8
One end all extend in dashpot 2 and be rotatably equipped with idler wheel 10, and one end for being located remotely from each other of two idler wheels 10 is and damping
The bottom of plate 4 rolls connection, and the side that two articulated slabs 9 are located remotely from each other is fixedly installed with limit spring 11, two limit bullets
One end that spring 11 is located remotely from each other is fixedly connected with the bottom interior wall of dashpot 2, and the two sides of damping base 1 offer sliding slot
12, sliding block 13 is slidably fitted in two sliding slots 12, and location hole 14, two location holes 14 are offered on two sliding blocks 13
Inside be slidably fitted with locating rod 15, and the top of locating rod 15 and bottom end respectively with the top inner wall of corresponding sliding slot 12 and
Bottom interior wall is fixedly connected, and the bottom of two sliding blocks 13 is fixedly installed with the retaining spring 16 for being sheathed on 15 outside of locating rod,
The bottom end of retaining spring 16 is fixedly installed in the bottom interior wall of sliding slot 12, by damping base 1, dashpot 2, damping trough 3, is subtracted
Shake plate 4, placing groove 5, stamping device ontology 6, damping spring 7, limiting slot 8, articulated slab 9, idler wheel 10, limit spring 11, sliding slot
It 12, can be quickly and easily to stamping device under the mutual cooperation of sliding block 13, location hole 14, locating rod 15 and retaining spring 16
Ontology 6 buffers it when working, and reduces its vibration, has ensured the qualification rate of thin skin plate punching press, so meeting people
Demand, in use, when stamping device ontology 6 work when, stamping device ontology 6 drive vibration damper plate 4 moved, vibration damper plate 4
Compression shock absorption spring 7,7 energy-absorbing of damping spring, meanwhile, vibration damper plate 4 drives idler wheel 10 to be rolled, and idler wheel 10 drives articulated slab 9
Moved, articulated slab 9 compress limit spring 11,11 energy-absorbing of limit spring, meanwhile, stamping device ontology 6 drive mounting rod into
Row movement, mounting rod drive limit plate to be moved, and limit plate band movable slider 13 is moved, 13 compression set spring of sliding block
16,16 energy-absorbing of retaining spring, by completing under the recoil of spring active force of damping spring 7, limit spring 11 and retaining spring 16
To the buffering of stamping device ontology 6, the utility model structure is simple, easy to operate, can quickly and easily to stamping device
Ontology 6 buffers it when working, and reduces its vibration, has ensured the qualification rate of thin skin plate punching press, so meeting people
Demand.
In the utility model, one end that two sliding blocks 13 are located remotely from each other all extends to the outside of damping base 1 and fixed peace
Equipped with limit plate, two limit plate sides close to each other are fixedly installed with mounting rod, two mounting rods it is close to each other one
Side is fixedly connected with stamping device ontology 6, and the bottom of two mounting rods is fixedly installed with installation spring, pacifies spring-loaded bottom
End is fixedly installed in the top of damping base 1, and it is multiple for pacifying spring-loaded quantity, and multiple installation springs are equidistant in horizontal direction
Top from the bottom and damping base 1 for being distributed in mounting rod is fixedly installed with punching press in the top inner wall of stamping device ontology 6
Machine, the bottom of stamping device ontology 6 is placed with thin skin plate, and is in contact at the top of the bottom end of press machine and thin skin plate, vibration damper plate 4
Both ends be embedded with multiple balls, and multiple balls roll with corresponding damping trough 3 connect respectively, by damping base 1,
Dashpot 2, damping trough 3, vibration damper plate 4, placing groove 5, stamping device ontology 6, damping spring 7, limiting slot 8, articulated slab 9, idler wheel
It 10, can be fast under the mutual cooperation of limit spring 11, sliding slot 12, sliding block 13, location hole 14, locating rod 15 and retaining spring 16
Speed buffers it when easily working stamping device ontology 6, reduces its vibration, has ensured the qualification of thin skin plate punching press
Rate, so the demand of people is met, in use, stamping device ontology 6 drives vibration damper plate 4 when stamping device ontology 6 works
It is moved, 4 compression shock absorption spring 7 of vibration damper plate, 7 energy-absorbing of damping spring, meanwhile, vibration damper plate 4 drives idler wheel 10 to be rolled,
Idler wheel 10 drives articulated slab 9 to be moved, the compression limit spring 11 of articulated slab 9,11 energy-absorbing of limit spring, meanwhile, stamping device
Ontology 6 drives mounting rod to be moved, and mounting rod drives limit plate to be moved, and limit plate band movable slider 13 is moved, sliding
13 compression set spring 16 of block, 16 energy-absorbing of retaining spring pass through damping spring 7, the spring of limit spring 11 and retaining spring 16
Under rebound effect power, the buffering to stamping device ontology 6 is completed, the utility model structure is simple, and it is easy to operate, it can be quick
It is buffered when easily working stamping device ontology 6, its vibration is reduced, has ensured the qualification of thin skin plate punching press
Rate, so meeting the demand of people.
Working principle: in use, when stamping device ontology 6 works, stamping device ontology 6 drives vibration damper plate 4 to be moved
It is dynamic, 4 compression shock absorption spring 7 of vibration damper plate, 7 energy-absorbing of damping spring, meanwhile, vibration damper plate 4 drives idler wheel 10 to be rolled, 10 band of idler wheel
Dynamic articulated slab 9 is moved, the compression limit spring 11 of articulated slab 9,11 energy-absorbing of limit spring, meanwhile, stamping device ontology 6 drives
Mounting rod is moved, and mounting rod drives limit plate to be moved, and limit plate band movable slider 13 is moved, and the compression of sliding block 13 is fixed
Position spring 16,16 energy-absorbing of retaining spring pass through the recoil of spring active force of damping spring 7, limit spring 11 and retaining spring 16
Under, the buffering to stamping device ontology 6 is completed, to realize when quickly and easily working stamping device ontology 6 to it
It is buffered, reduces its vibration, ensured the qualification rate of thin skin plate punching press, so meeting the demand of people.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. sheet stamping device, including damping base (1), which is characterized in that offer buffering at the top of the damping base (1)
Slot (2) offers damping trough (3) on the two sides inner wall of dashpot (2), is slidably fitted in two damping troughs (3) same
Vibration damper plate (4) offers placing groove (5) at the top of vibration damper plate (4), is placed in placing groove (5) and is set as rushing for hollow structure
Pressure device ontology (6), and the top of stamping device ontology (6) extends to the top of damping base (1), the bottom of vibration damper plate (4)
Two sides are fixedly installed with damping spring (7), and the bottom end of two damping springs (7) is fixedly installed in corresponding damping trough respectively
(3) it in bottom interior wall, is offered in the bottom interior wall of dashpot (2) limiting slot (8), is rotatably equipped with two in limiting slot (8)
A symmetrically arranged articulated slab (9) of inclination, one end that two articulated slabs (9) are located remotely from each other all extend in dashpot (2) and turn
It is dynamic to be equipped with idler wheel (10), and one end that two idler wheels (10) are located remotely from each other is connected with the rolling of the bottom of vibration damper plate (4), two
The side that articulated slab (9) is located remotely from each other is fixedly installed with limit spring (11), two limit springs (11) be located remotely from each other one
End is fixedly connected with the bottom interior wall of dashpot (2), and the two sides of damping base (1) offer sliding slot (12), two sliding slots
(12) it is slidably fitted with sliding block (13) in, is offered location hole (14) on two sliding blocks (13), in two location holes (14)
It is slidably fitted with locating rod (15), and the top of locating rod (15) and bottom end are respectively and in the top of corresponding sliding slot (12)
Wall is fixedly connected with bottom interior wall, and the bottom of two sliding blocks (13) is fixedly installed with the positioning being sheathed on the outside of locating rod (15)
The bottom end of spring (16), retaining spring (16) is fixedly installed in the bottom interior wall of sliding slot (12).
2. sheet stamping device according to claim 1, which is characterized in that one end that two sliding blocks (13) are located remotely from each other is equal
It extends to the outside of damping base (1) and is fixedly installed with limit plate.
3. sheet stamping device according to claim 2, which is characterized in that two limit plate sides close to each other are solid
Dingan County is equipped with mounting rod, and two mounting rods side close to each other is fixedly connected with stamping device ontology (6).
4. sheet stamping device according to claim 3, which is characterized in that the bottom of two mounting rods is fixedly installed with
Spring is installed, the top that spring-loaded bottom end is fixedly installed in damping base (1) is pacified.
5. sheet stamping device according to claim 4, which is characterized in that the spring-loaded quantity of peace is multiple, and
Multiple installation springs are equidistantly distributed in horizontal direction at the top of the bottom of mounting rod and damping base (1).
6. sheet stamping device according to claim 1, which is characterized in that in the top of the stamping device ontology (6)
Press machine is fixedly installed on wall, the bottom of stamping device ontology (6) is placed with thin skin plate, and the bottom end of press machine and thin skin plate
Top be in contact.
7. sheet stamping device according to claim 1, which is characterized in that the both ends of the vibration damper plate (4) are embedded with
Multiple balls, and multiple balls roll with corresponding damping trough (3) connect respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217281.2U CN209550342U (en) | 2018-12-27 | 2018-12-27 | Sheet stamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217281.2U CN209550342U (en) | 2018-12-27 | 2018-12-27 | Sheet stamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209550342U true CN209550342U (en) | 2019-10-29 |
Family
ID=68303824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822217281.2U Active CN209550342U (en) | 2018-12-27 | 2018-12-27 | Sheet stamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209550342U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009999A (en) * | 2019-12-25 | 2020-04-14 | 扬中市飞达通信设备有限公司 | Processing equipment for stator punching sheet |
| CN111332785A (en) * | 2020-03-05 | 2020-06-26 | 江苏仁康蛋业有限公司 | Egg feeding system |
| CN111692271A (en) * | 2020-06-11 | 2020-09-22 | 武汉华兴达土地咨询有限公司 | A novel measuring equipment for land reconnaissance |
| CN112623677A (en) * | 2020-12-03 | 2021-04-09 | 田小红 | Buffering receiving device for coal mine |
-
2018
- 2018-12-27 CN CN201822217281.2U patent/CN209550342U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009999A (en) * | 2019-12-25 | 2020-04-14 | 扬中市飞达通信设备有限公司 | Processing equipment for stator punching sheet |
| CN111332785A (en) * | 2020-03-05 | 2020-06-26 | 江苏仁康蛋业有限公司 | Egg feeding system |
| CN111692271A (en) * | 2020-06-11 | 2020-09-22 | 武汉华兴达土地咨询有限公司 | A novel measuring equipment for land reconnaissance |
| CN111692271B (en) * | 2020-06-11 | 2021-10-15 | 武汉华兴达土地咨询有限公司 | A novel measuring equipment for land reconnaissance |
| CN112623677A (en) * | 2020-12-03 | 2021-04-09 | 田小红 | Buffering receiving device for coal mine |
| CN112623677B (en) * | 2020-12-03 | 2022-11-25 | 甘肃华亭煤电股份有限公司华亭煤矿 | Buffering receiving device for coal mine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209550342U (en) | Sheet stamping device | |
| CN202655463U (en) | Non-destructive bending and stamping die | |
| CN105299119A (en) | Low-noise rolling friction shock absorber | |
| CN103624165B (en) | The split type supporting construction of a kind of upper and lower axle system of fin forming machine | |
| CN201981260U (en) | Strip steel acid-cleaning wringing roller equipment and strip steel working space position adjusting device thereof | |
| CN105290221B (en) | mould with pressing device | |
| CN207859558U (en) | A kind of diel equipment | |
| CN211161342U (en) | Plate rolling machine | |
| CN204413087U (en) | The special No. zero section equipment of a kind of extra-thick slab casting machine | |
| CN209189582U (en) | A kind of plate stamping Cutting Automation equipment | |
| CN205270567U (en) | Mould with closing device | |
| CN202498345U (en) | Portable bearing sealing shaft sleeve dismounting punching machine | |
| CN108971286B (en) | Deflection-preventing auxiliary device for plate rolling machine | |
| CN210648086U (en) | Hardware mould with vibration/noise reduction function | |
| CN210253925U (en) | Quick adjusting and positioning device for edge rolling feeding | |
| CN204523989U (en) | Angle steel diel | |
| CN201807670U (en) | Quick feeder | |
| CN207324929U (en) | A kind of efficient spallar | |
| CN105689417A (en) | Rolled steel outlet twist assembly | |
| CN202984504U (en) | Sliding rail discharging structure | |
| CN214161178U (en) | Punching press material loading elevating gear | |
| CN202238886U (en) | Outer installation frame with upper rolling line adjusting device for roll box of cold-rolling mill | |
| CN210387255U (en) | Auto parts stamping die that shock-absorbing capacity is good | |
| CN204817599U (en) | Veneer reeling machine with polytypic extrusion function | |
| CN211176003U (en) | Damping equipment for cutting machining of rolling shutter door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240129 Address after: No. 2-20, Hualong Industrial Park Office Building, South of Beiyi Road and West of Shuichang Road, Yanjiao Development Zone, Sanhe City, Langfang City, Hebei Province, 065200 Patentee after: Sanhe Keyan Technology Co.,Ltd. Country or region after: China Address before: Dongjie village, Fuyang Town, Sanhe City, Langfang City, Hebei Province 065200 Patentee before: Sanhe pilot Fucheng metal products Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |