CN218891050U - A rotor iron sheet stamping device for motor production - Google Patents
A rotor iron sheet stamping device for motor production Download PDFInfo
- Publication number
- CN218891050U CN218891050U CN202222988407.2U CN202222988407U CN218891050U CN 218891050 U CN218891050 U CN 218891050U CN 202222988407 U CN202222988407 U CN 202222988407U CN 218891050 U CN218891050 U CN 218891050U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- seat
- stamping
- punching press
- sliding
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Press Drives And Press Lines (AREA)
Abstract
The utility model provides a rotor iron sheet stamping device for motor production, and relates to the technical field of motor rotor production. This a rotor iron sheet stamping device for motor production includes base, diaphragm, two the upper end fixedly connected with roof of diaphragm, the equal fixedly connected with supporting leg in lower surface four corners of base, the upper surface fixed mounting of diaphragm has feeding mechanism, the upper surface fixedly connected with punching press seat of base, the punching press groove has been seted up to the upper surface of punching press seat, feeding mechanism's lower extreme fixedly connected with punching press mechanism. This a rotor iron sheet stamping device for motor production drives stamping mechanism downwardly moving through setting up stamping mechanism, lifting seat to support tight board and the upper surface contact of work piece to support tightly the work piece, avoid the work piece to appear the displacement when the punching press, can also reach shock attenuation buffering's purpose, avoid the too big work piece or the stamping seat damage that leads to of impact force during the punching press.
Description
Technical Field
The utility model relates to the technical field of motor rotor production, in particular to a rotor iron sheet stamping device for motor production.
Background
A motor rotor: as well as rotating components in the motor. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy.
The motor rotor iron sheet is stamped by a stamping device in the production process, such as the stamping device of the motor rotor iron sheet in the prior art, with the patent number of CN2018201753929, a plurality of stamping parts to be stamped can be placed on the disc workbench, and the pressing plate is used for stamping the stamping parts to be stamped to form the rotor stamping sheet through the actions of the motor and the cylinder. The stamping device is simple in structure, reduces manual labor and improves machining efficiency. Meanwhile, the stamping die is convenient for putting in and taking out the round stamping pieces, a stamping piece collecting device is not arranged on one side of the workbench, the stamping pieces can be quickly split and put in the next stamping piece to be stamped, the labor intensity of workers is greatly reduced, and the working efficiency is improved.
But above-mentioned stamping device carries out the punching press to the work piece, lacks the fixing device to the work piece, and in the course of working, the huge pressure of punching press can lead to the work piece skew, influences the effect of processing, can lead to the work piece landing even, has reduced the machining accuracy to above-mentioned stamping device still does not possess buffer function, and the punching press power is too big in the twinkling of an eye, easily leads to the work piece to damage, has caused the waste of resource, and the result of use is not good.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a rotor iron sheet stamping device for motor production, which solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a rotor iron sheet stamping device for motor production, includes the base, the equal fixed mounting in upper surface left and right sides of base has the diaphragm, two the upper end fixedly connected with roof of diaphragm, the equal fixedly connected with supporting leg in lower surface four corners of base, the upper surface fixed mounting of diaphragm has feeding mechanism, the upper surface fixedly connected with punching press seat of base, punching press groove has been seted up to punching press seat's upper surface, feeding mechanism's lower extreme fixedly connected with punching press mechanism.
The feeding mechanism comprises a hydraulic cylinder, a hydraulic rod, a lifting seat, a first sliding groove, a first sliding block and a limiting rod, wherein the hydraulic cylinder is fixedly installed at the center of the upper surface of the transverse plate, the lower end of the hydraulic cylinder is fixedly connected with the hydraulic rod, the lower end of the hydraulic rod penetrates through the upper surface of the transverse plate, the lifting seat is fixedly connected with the lower end of the hydraulic rod, the two lifting seats are arranged on one sides, close to each other, of the transverse plate, the first sliding groove is formed in one side, the two sliding blocks are connected with the inner wall of the first sliding groove in a sliding mode, and the limiting rods are fixedly connected to the left side and the right side of the upper surface of the base, and the upper end of the limiting rod penetrates through the lower surface of the lifting seat.
The stamping mechanism comprises a telescopic rod, a supporting plate, a first spring, a second sliding groove, a second sliding block, a connecting rod, a stamping head, fixing blocks, T-shaped inserting rods, a second spring and a tight supporting plate, wherein the lower surface of the lifting seat is fixedly connected with four telescopic rods, the lower ends of the telescopic rods are fixedly connected with the supporting plate, the telescopic cavity inner walls of the telescopic rods are provided with the first springs, the left side and the right side of the upper surface of the supporting plate are provided with the second sliding grooves, the inner walls of the second sliding grooves are fixedly connected with the second sliding blocks, the upper surfaces of the second sliding blocks are hinged with the connecting rods through pin shafts, the upper ends of the connecting rods are hinged to the lower surface of the lifting seat through pin shafts, the stamping heads are fixedly mounted on the lower surface of the supporting plate, the left side and the right side of the stamping head are fixedly connected with the two fixing blocks, the upper surfaces of the fixing blocks are all provided with through holes, the inner walls of the through holes are slidably connected with the T-shaped inserting rods, the outer walls of the lower ends of the T-shaped inserting rods are sleeved with the second springs, and the T-shaped inserting rods are fixedly connected with the tight supporting plates.
Preferably, a rubber pad is arranged on the lower surface of the abutting plate.
Preferably, the lifting seat and the limiting rod form a sliding structure.
Preferably, the punching seat is provided with a cavity inside, and the front surface of the punching seat is provided with a box door through a hinge.
Preferably, the inner wall of the fixed block is provided with balls.
Preferably, the lower surface of the supporting leg is provided with a non-slip mat.
(III) beneficial effects
The utility model provides a rotor iron sheet stamping device for motor production. The beneficial effects are as follows:
1. this a rotor iron sheet stamping device for motor production through setting up feeding mechanism, places the work piece that will need the punching press on the upper surface of punching press seat, starts the pneumatic cylinder and drives the hydraulic stem extension and make the lifting seat down move, and the lifting seat down moves and drives punching press mechanism down and move and punch, and the lifting seat down slides along the gag lever post when moving down, and its both sides fixed connection's first slider down moves along first spout simultaneously, can increase the stability when lifting seat removes to guarantee the accuracy of punching press, improved product quality.
2. This a rotor iron sheet stamping device for motor production, through setting up stamping mechanism, lifting seat moves down and drives stamping mechanism downwardly moving, at first, support the upper surface contact of tight board and work piece, thereby support tight work piece, avoid the work piece to appear the displacement when punching press, afterwards, lifting seat continues down to move, T type inserted bar receives the pressure to upwards remove extrusion second spring, the lower extreme of connecting rod moves the side that keeps away from each other simultaneously and drives the second slider and remove along the second spout, the telescopic link shortens extrusion first spring, thereby can reach shock attenuation buffering's purpose, avoid the impact force too big to lead to work piece or punching press seat to damage during punching press, the waste of resource has been reduced, the effectual life of having prolonged punching press seat, the later maintenance cost of having reduced, finally punching press head and work piece contact are punched, the waste material that the punching press falls is collected in the inner chamber of punching press seat along the punching press groove, fashioned work piece is stayed at the upper surface of punching press seat.
Drawings
Fig. 1 is a schematic structural view of a rotor iron sheet stamping device for motor production according to the present utility model;
FIG. 2 is a front view of a rotor sheet stamping device for motor production according to the present utility model;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1 of a rotor sheet stamping device for motor production in accordance with the present utility model;
fig. 4 is an enlarged schematic view of a portion B shown in fig. 1 of a rotor iron sheet stamping device for motor production according to the present utility model.
1, a base; 2. a cross plate; 3. a top plate; 4. support legs; 5. a feeding mechanism; 501. a hydraulic cylinder; 502. a hydraulic rod; 503. a lifting seat; 504. a first chute; 505. a first slider; 506. a limit rod; 6. stamping a base; 7. stamping a groove; 8. a punching mechanism; 801. a telescopic rod; 802. a support plate; 803. a first spring; 804. a second chute; 805. a second slider; 806. a connecting rod; 807. punching heads; 808. a fixed block; 809. a T-shaped inserted link; 810. a second spring; 811. the plate is abutted tightly.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
The embodiment of the utility model provides a rotor iron sheet stamping device for motor production, as shown in fig. 1-4, the device comprises a base 1, transverse plates 2 are fixedly arranged on the left side and the right side of the upper surface of the base 1, the upper ends of the two transverse plates 2 are fixedly connected with a top plate 3, four corners of the lower surface of the base 1 are fixedly connected with supporting legs 4, the lower surfaces of the supporting legs 4 are provided with anti-slip pads, the stability of the device can be improved by arranging the anti-slip pads, the device is prevented from being displaced in the using process, a feeding mechanism 5 is fixedly arranged on the upper surface of the transverse plate 2, a stamping seat 6 is fixedly connected with the upper surface of the base 1, a cavity is formed in the stamping seat 6, a box door is arranged on the front surface of the stamping seat 6 through a hinge, a stamping groove 7 is formed in the upper surface of the stamping seat 6, and the lower end of the feeding mechanism 5 is fixedly connected with a stamping mechanism 8.
The feeding mechanism 5 comprises a hydraulic cylinder 501, a hydraulic rod 502, a lifting seat 503, a first sliding groove 504, a first sliding block 505 and a limiting rod 506, wherein the hydraulic cylinder 501 is fixedly installed in the center of the upper surface of the transverse plate 2, the lower end of the hydraulic cylinder 501 is fixedly connected with the hydraulic rod 502, the lower end of the hydraulic rod 502 penetrates through the upper surface of the transverse plate 2, the lifting seat 503 is fixedly connected with the lower end of the hydraulic rod 502, the first sliding groove 504 is formed in one side, close to each other, of the two transverse plates 2, the first sliding blocks 505 are fixedly connected with the inner walls of the two first sliding grooves 504 in a sliding manner, the limiting rods 506 are fixedly connected with the left side and the right side of the upper surface of the base 1, the upper end of the limiting rod 506 penetrates through the lower surface of the lifting seat 503, the lifting seat 503 and the limiting rod 506 form a sliding structure, the hydraulic cylinder 501 is started to drive the hydraulic rod 502 to stretch so that the lifting seat 503 to move downwards, the lifting seat 503 moves downwards to drive the punching mechanism 8 to move downwards to punch, the lifting seat 503 slides downwards along the limiting rod 506 when moving downwards, meanwhile, the first sliding blocks 505 fixedly connected with two sides of the lifting seat 504 move downwards along the first sliding grooves 504, the lower sliding blocks 505, the lifting seat 503 can move downwards along the first sliding grooves 506, the first sliding blocks 503, the lifting seat 503, the accuracy can be improved, and the product quality can be ensured, and the accuracy can be increased.
The punching mechanism 8 comprises a telescopic rod 801, a supporting plate 802, a first spring 803, a second sliding groove 804, a second sliding block 805, a connecting rod 806, a punching head 807, a fixed block 808, a T-shaped inserting rod 809, a second spring 810 and a tight supporting plate 811, wherein the lower surface of the lifting seat 503 is fixedly connected with four telescopic rods 801, the lower ends of the four telescopic rods 801 are fixedly connected with the supporting plate 802, the inner walls of the telescopic cavities of the four telescopic rods 801 are respectively provided with the first spring 803, the left side and the right side of the upper surface of the supporting plate 802 are respectively provided with the second sliding groove 804, the inner walls of the two second sliding grooves 804 are respectively and slidably connected with the second sliding block 805, the upper surfaces of the two second sliding blocks 805 are respectively hinged with the connecting rod 806 through pin shafts, the upper ends of the connecting rod 806 are hinged on the lower surface of the lifting seat 503 through pin shafts, the lower surface of the supporting plate 802 is fixedly provided with the punching head 807, the left side and the right side of the punching head 807 are respectively fixedly connected with the two fixed blocks 808, the inner walls of the fixing blocks 808 are provided with balls, the sliding resistance of the lifting seat 503 on the outer wall of the limiting rod 506 can be lightened through the balls, the transmission resistance of the driving structure is lightened, through holes are formed in the upper surfaces of the four fixing blocks 808, T-shaped inserting rods 809 are slidably connected to the inner walls of the through holes, second springs 810 are sleeved on the outer walls of the lower ends of the four T-shaped inserting rods 809, abutting plates 811 are fixedly connected to the lower ends of the four T-shaped inserting rods 809, rubber pads are arranged on the lower surfaces of the abutting plates 811, the abutting plates 811 can be prevented from crushing a workpiece through the arrangement of the rubber pads, the lifting seat 503 moves downwards to drive the stamping mechanism 8 to move downwards, the abutting plates 811 are firstly contacted with the upper surface of the workpiece, the workpiece is abutted, the workpiece is prevented from moving during stamping, the lifting seat 503 continues to move downwards, the T-shaped inserting rods 809 are pressed to move upwards to extrude the second springs 810, meanwhile, the lower end of the connecting rod 806 moves to the side away from each other to drive the second sliding block 805 to move along the second sliding groove 804, the telescopic rod 801 shortens to extrude the first spring 803, so that the purpose of shock absorption and buffering can be achieved, the damage to a workpiece or a stamping seat 6 caused by overlarge impact force during stamping is avoided, the waste of resources is reduced, the service life of the stamping seat 6 is effectively prolonged, the later maintenance cost is reduced, finally the stamping head 807 is in contact with the workpiece to stamp, stamped waste is collected in the inner cavity of the stamping seat 6 along the stamping groove 7, and the formed workpiece is left on the upper surface of the stamping seat 6.
Further, a rubber pad is provided on the lower surface of the abutting plate 811, and as shown in fig. 4, by providing the rubber pad, the abutting plate 811 can be prevented from crushing the workpiece.
Further, the lifting seat 503 and the limiting rod 506 form a sliding structure, as shown in fig. 1, the lifting seat 503 moves along the limiting rod 506, so that stability of the lifting seat 503 during movement can be increased, accuracy of stamping is ensured, and product quality is improved.
Further, the inner wall of the fixing block 808 is provided with balls, as shown in fig. 4, and the balls can reduce the sliding resistance of the lifting seat 503 on the outer wall of the limiting rod 506, thereby reducing the transmission resistance of the driving structure.
Further, the lower surface of the supporting leg 4 is provided with an anti-slip pad, as shown in fig. 1, and the stability of the device can be improved by providing the anti-slip pad, so that the device is prevented from being displaced in the use process.
Working principle: when the stamping device is used, a workpiece to be stamped is firstly placed on the upper surface of the stamping seat 6, the hydraulic cylinder 501 is started to drive the hydraulic rod 502 to extend so that the lifting seat 503 moves downwards, the lifting seat 503 moves downwards to drive the stamping mechanism 8 to move downwards for stamping, the lifting seat 503 slides downwards along the limiting rod 506 when moving downwards, and meanwhile, the first sliding blocks 505 fixedly connected with the two sides of the lifting seat move downwards along the first sliding grooves 504, so that the stability of the lifting seat 503 when moving can be improved, the stamping accuracy is ensured, and the product quality is improved; the lifting seat 503 moves downwards to drive the stamping mechanism 8 to move downwards, firstly, the abutting plate 811 is contacted with the upper surface of the workpiece, thereby abutting the workpiece, displacement of the workpiece during stamping is avoided, afterwards, the lifting seat 503 continues to move downwards, the T-shaped inserting rod 809 is pressed to move upwards to extrude the second spring 810, meanwhile, the lower end of the connecting rod 806 moves towards the side away from each other to drive the second sliding block 805 to move along the second sliding groove 804, the telescopic rod 801 shortens to extrude the first spring 803, thereby achieving the purpose of shock absorption and buffering, avoiding damage to the workpiece or the stamping seat 6 caused by overlarge impact force during stamping, reducing waste of resources, effectively prolonging the service life of the stamping seat 6, reducing later maintenance cost, finally, the stamping head 807 is contacted with the workpiece for stamping, stamped waste is collected in the inner cavity of the stamping seat 6 along the stamping groove 7, and the formed workpiece remains on the upper surface of the stamping seat 6.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A rotor iron sheet stamping device for motor production, includes base (1), its characterized in that: the automatic punching machine is characterized in that transverse plates (2) are fixedly arranged on the left side and the right side of the upper surface of the base (1), top plates (3) are fixedly connected to the upper ends of the two transverse plates (2), supporting legs (4) are fixedly connected to four corners of the lower surface of the base (1), a feeding mechanism (5) is fixedly arranged on the upper surface of the transverse plates (2), a punching seat (6) is fixedly connected to the upper surface of the base (1), a punching groove (7) is formed in the upper surface of the punching seat (6), and a punching mechanism (8) is fixedly connected to the lower end of the feeding mechanism (5);
the feeding mechanism (5) comprises a hydraulic cylinder (501), a hydraulic rod (502), a lifting seat (503), first sliding grooves (504), first sliding blocks (505) and limiting rods (506), wherein the hydraulic cylinder (501) is fixedly installed at the center of the upper surface of the transverse plate (2), the lower end of the hydraulic cylinder (501) is fixedly connected with the hydraulic rod (502) and the lower end of the hydraulic rod (502) penetrates through the upper surface of the transverse plate (2), the lower end of the hydraulic rod (502) is fixedly connected with the lifting seat (503), the first sliding grooves (504) are formed in one side, close to each other, of each transverse plate (2), the first sliding blocks (505) are slidably connected to the inner walls of the first sliding grooves (504), the limiting rods (506) are fixedly connected to the left side and the right side of the upper surface of the base (1), and the upper ends of the limiting rods (506) penetrate through the lower surface of the lifting seat (503).
The stamping mechanism (8) comprises a telescopic rod (801), a supporting plate (802), a first spring (803), a second sliding groove (804), a second sliding block (805), a connecting rod (806), a stamping head (807), a fixed block (808), T-shaped inserting rods (809), a second spring (810) and a tight supporting plate (811), four telescopic rods (801) are fixedly connected to the lower surface of a lifting seat (503), the supporting plate (802) is fixedly connected to the lower end of the telescopic rod (801), the first springs (803) are arranged on the inner walls of telescopic cavities of the telescopic rod (801), the second sliding grooves (804) are formed in the left side and the right side of the upper surface of the supporting plate (802), the second sliding blocks (805) are connected to the inner walls of the two second sliding grooves (804) in a sliding mode, the upper surfaces of the two second sliding blocks (805) are hinged with the connecting rod (806) through pins, the upper ends of the connecting rod (806) are hinged to the lower surface of the lifting seat (503) through the pins, the stamping head (807) is fixedly arranged on the lower surface of the supporting plate (802), the two sliding blocks (808) are fixedly connected to the two through holes (808), the outer walls of the lower ends of the four T-shaped inserting rods (809) are sleeved with second springs (810), and the lower ends of the four T-shaped inserting rods (809) are fixedly connected with abutting plates (811).
2. A rotor sheet stamping device for motor production as claimed in claim 1, wherein: a rubber pad is arranged on the lower surface of the abutting plate (811).
3. A rotor sheet stamping device for motor production as claimed in claim 1, wherein: the lifting seat (503) and the limiting rod (506) form a sliding structure.
4. A rotor sheet stamping device for motor production as claimed in claim 1, wherein: the inside of punching press seat (6) has seted up the cavity, and the front of punching press seat (6) is installed the chamber door through the hinge.
5. A rotor sheet stamping device for motor production as claimed in claim 1, wherein: the inner wall of the fixed block (808) is provided with balls.
6. A rotor sheet stamping device for motor production as claimed in claim 1, wherein: the lower surfaces of the supporting legs (4) are provided with anti-slip pads.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222988407.2U CN218891050U (en) | 2022-11-07 | 2022-11-07 | A rotor iron sheet stamping device for motor production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222988407.2U CN218891050U (en) | 2022-11-07 | 2022-11-07 | A rotor iron sheet stamping device for motor production |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218891050U true CN218891050U (en) | 2023-04-21 |
Family
ID=86000398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222988407.2U Active CN218891050U (en) | 2022-11-07 | 2022-11-07 | A rotor iron sheet stamping device for motor production |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218891050U (en) |
-
2022
- 2022-11-07 CN CN202222988407.2U patent/CN218891050U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108437535B (en) | Auto-parts stamping die | |
CN210907744U (en) | Stamping fixing device is used in production of car mould | |
CN214919682U (en) | Automatic punching device for production and processing of side plates of automobile container | |
CN215550223U (en) | Insulation board manufacturing die with ejection structure | |
CN218891050U (en) | A rotor iron sheet stamping device for motor production | |
CN211938689U (en) | Car seat slide rail skeleton layer board stamping die of superhigh intensity | |
CN216065041U (en) | Self-cleaning stamping mechanism for mechanical workpiece die | |
CN214348931U (en) | Novel single-tube bushing mold | |
CN212442750U (en) | Shock-absorbing metal stamping machine platform | |
CN210678984U (en) | Stamping device is used in production of silica gel button | |
CN211304371U (en) | Double-sided tooth safety washer processingequipment | |
CN109732008B (en) | A compress tightly cutting device for producing air conditioner fin | |
CN2685059Y (en) | Hydraulic press | |
CN112515295A (en) | Automatic leather cutting device for manufacturing security shoes | |
CN209773913U (en) | Static press-mounting machine for building engineering | |
CN219172066U (en) | Door frame hinge stamping die | |
CN217570482U (en) | Stamping die for solid solution hopper | |
CN218744192U (en) | Metal connecting piece machine-shaping device | |
CN219153157U (en) | Water gap cutting jig for rotating shaft shell | |
CN212822040U (en) | Flat steel stamping forming device | |
CN220028484U (en) | Demoulding device of stamping machine tool | |
CN216461163U (en) | Large cantilever linear turret die | |
CN220837652U (en) | Automatic demoulding device of press | |
CN219648579U (en) | Die assembly buffer assembly | |
CN216139460U (en) | Structure of making an uproar falls in mould production |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230629 Address after: 516000 workshop, No. 21, Jinhu Road, Shuikou sub district office, Huicheng District, Huizhou City, Guangdong Province Patentee after: HUIZHOU LIANRUIDA TECHNOLOGY Co.,Ltd. Address before: No. 18 Xiyuan 1st Road, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province, 310000 Patentee before: Wang Dianxin |