CN210045790U - Servo material feeding unit of function is corrected in area - Google Patents
Servo material feeding unit of function is corrected in area Download PDFInfo
- Publication number
- CN210045790U CN210045790U CN201920805562.1U CN201920805562U CN210045790U CN 210045790 U CN210045790 U CN 210045790U CN 201920805562 U CN201920805562 U CN 201920805562U CN 210045790 U CN210045790 U CN 210045790U
- Authority
- CN
- China
- Prior art keywords
- rollers
- module
- driving
- feeding
- frame
- 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
Landscapes
- Press Drives And Press Lines (AREA)
Abstract
The utility model discloses a servo feeding device with correction function, which comprises two machine frame vertical plates, a plurality of pressing rollers, a plurality of correction rollers, a driving roller and a plurality of driven rollers; the vertical plates of the two machine frames are arranged in parallel relatively, and the tops of the vertical plates of the two machine frames are fixedly connected through a transverse plate of the machine frame; a feeding mechanism is arranged on one side of the bottom plate of the rack, and a discharging mechanism is arranged on the other side of the bottom plate of the rack; the two machine frame vertical plates are respectively and correspondingly provided with a first sliding module and a second sliding module along the vertical direction; two ends of the pressing rollers and the driven rollers are respectively connected with the two machine frame vertical plates in a sliding mode through a first sliding module and a second sliding module; the plurality of correction rollers are correspondingly arranged below the plurality of pressing rollers in a staggered mode, and the driving rollers are correspondingly arranged below the plurality of driven rollers. The utility model discloses can carry out the secondary to the material after correcting device and correct, and then realize carrying out the secondary flattening because of the material that the punching press vibrations lead to warping material, realize accurate punching press, and then improve production efficiency, the practicality is strong.
Description
Technical Field
The utility model relates to a servo feeder technical field especially relates to a servo material feeding unit of function is corrected in area.
Background
When the coiled material is punched, the coiled material can be smoothly and continuously punched after being corrected by the correcting device, and the quality of punched products is further ensured. A conventional small-sized press line generally comprises three devices with different functions, namely an uncoiling device (uncoiling a coiled material into a plate), a straightening device (straightening the plate), and a feeding device (outputting the straightened plate). The devices are spaced apart from each other by means of inductive material buffers for storing and balancing the speed between the devices. However, secondary deformation of the material is easily caused by vibration generated by stamping and shaking generated by continuous stopping and starting of the material in the stamping process, so that irreversible influence is caused on precision stamping, and defective products and waste products of precision parts are directly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a servo material feeding unit of function is corrected in area, the device can carry out the secondary to the material after correcting device and correct, and then realize carrying out the secondary flattening because of the material that the punching press vibrations lead to warping, realize accurate punching press, and then improve production efficiency, the practicality is strong.
In order to realize the purpose, the following technical scheme is adopted:
a servo feeding device with a correction function comprises a rack bottom plate, two rack vertical plates, a plurality of pressing rollers, a plurality of correction rollers, a driving roller and a plurality of driven rollers; the two vertical plates of the machine frame are arranged on two sides of the top of the bottom plate of the machine frame in a direction vertical to the length direction of the bottom plate of the machine frame, and the tops of the vertical plates of the two machine frames are fixedly connected through a transverse plate of the machine frame; a feeding mechanism is arranged on one side of the bottom plate of the rack, and a discharging mechanism is arranged on the other side of the bottom plate of the rack; the upper parts of two sides of each rack vertical plate are respectively and correspondingly provided with a first sliding module and a second sliding module along the vertical direction, the first sliding module is arranged close to the feeding mechanism, and the second sliding module is arranged close to the discharging mechanism; the pressing rollers and the driven rollers are arranged in parallel, and two ends of the pressing rollers and two ends of the driven rollers are respectively connected with the two machine frame vertical plates in a sliding mode through a first sliding module and a second sliding module; the plurality of correcting rollers are arranged below the plurality of pressing rollers in a staggered manner corresponding to the plurality of pressing rollers, and two ends of each correcting roller are respectively connected with the vertical plates of the two frames in a rotating manner; the driving rollers are correspondingly arranged below the driven rollers and are in driving connection with a motor driving mechanism, and the motor driving mechanism is used for driving the driving rollers to drive the driven rollers, the material pressing rollers and the correcting rollers to synchronously rotate; and the top of the transverse plate of the rack is also provided with a first driving module and a second driving module which are respectively in driving connection with the first sliding module and the second sliding module.
Furthermore, the first driving module comprises two elevators and a connecting rod; each lifter is arranged at the top of the transverse plate of the rack corresponding to one first sliding module, and each lifter is in driving connection with the corresponding first sliding module through one lifting rod; the connecting rod is arranged between the two elevators along the length direction of the transverse plate of the frame, and a hand wheel is arranged at one end of the connecting rod.
Furthermore, the second driving module comprises two telescopic cylinders; each telescopic cylinder corresponds a second slip module and arranges in frame diaphragm top, and each telescopic cylinder's output shaft and the second slip module drive that corresponds are connected.
Furthermore, the first sliding module and the second sliding module respectively comprise a guide rail arranged on the surface of the vertical plate of the rack along the vertical direction and a sliding block capable of sliding along the guide rail.
Further, the feeding mechanism comprises two arc-shaped feeding frames and a plurality of feeding rollers; each arc-shaped feeding frame is arranged corresponding to one stand vertical plate, and one end of each arc-shaped feeding frame is fixedly connected with one end of the corresponding stand vertical plate; the feeding rollers are arranged between the two arc-shaped feeding frames along the length direction of the bottom plate of the machine frame, and a feeding transverse plate is arranged between the two arc-shaped feeding frames; the feeding transverse plate is arranged close to the vertical plate of the frame, and a plurality of feeding retaining rollers are correspondingly arranged on two sides of the top of the feeding transverse plate along the vertical direction.
Furthermore, the discharging mechanism comprises two discharging racks and a plurality of discharging rollers; each discharging frame is arranged corresponding to one vertical frame plate, and one end of each discharging frame is fixedly connected with the other end of the corresponding vertical frame plate; a plurality of ejection of compact rolls and arranges between two play work or material rest along frame bottom plate length direction, and still is equipped with a plurality of ejection of compact diaphragms between two play work or material rest, and each ejection of compact diaphragm top both sides correspond along vertical direction and are provided with an ejection of compact fender and roll.
Furthermore, the end parts of the plurality of pressing rollers, the plurality of correcting rollers, the driving roller and the plurality of driven rollers are connected through gears.
Further, the motor driving mechanism comprises a motor, a first synchronous belt module, a second synchronous belt module and a rotating shaft; the motor output shaft is in driving connection with one end of the rotating shaft through the first synchronous belt module, and the other end of the rotating shaft is in driving connection with one end of the driving roller through the second synchronous belt module.
Adopt above-mentioned scheme, the beneficial effects of the utility model are that:
1) the corrected material is secondarily corrected through the pressing roller and the correcting roller, so that the deformed material caused by stamping vibration is secondarily leveled, the production efficiency is improved, and the practicability is high;
2) the distance between the pressing roller and the correcting roller can be adjusted through the mutual matching of the first driving module and the first sliding module so as to adapt to materials of different types for secondary correction;
3) the feeding blocking roller and the discharging blocking roller are arranged, so that the material can be limited between the two vertical plates of the machine frame, and the stability of secondary correction of the material is enhanced.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of FIG. 1 from another perspective;
FIG. 3 is a perspective view of the present invention with the feeding mechanism, the discharging mechanism and the frame cross plate omitted;
FIG. 4 is a perspective view of FIG. 3 from another perspective;
FIG. 5 is a perspective view of FIG. 4 with two riser panels omitted;
wherein the figures identify the description:
1-a vertical plate of a frame; 2, pressing a material roller;
3, straightening rolling; 4, rolling actively;
5, a driven roller; 6, a transverse plate of the rack;
7-a feeding mechanism; 8, a discharging mechanism;
9-a first driving module; 10-a second driving module;
11-a first sliding module; 12-a second sliding module;
41-motor driving mechanism; 71-arc feeding frame;
72-feeding roller; 73-feeding transverse plate;
74-feeding baffle roll; 81-a discharging frame;
82, discharging and rolling; 83-a discharge transverse plate;
84-discharging blocking roller; 91-a lifter;
92-a connecting rod; 93-lifting rod;
94-hand wheel; 411 — electric machine;
412 — a first synchronous belt module; 413-a second synchronous belt module;
414-axis of rotation.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, the utility model provides a servo feeding device with a correction function, which comprises a frame bottom plate, two frame vertical plates 1, a plurality of pressing rolls 2, a plurality of correction rolls 3, a driving roll 4 and a plurality of driven rolls 5; the two vertical plates 1 of the machine frame are arranged on two sides of the top of the bottom plate of the machine frame in a direction vertical to the length direction of the bottom plate of the machine frame, and the tops of the vertical plates of the two machine frames are fixedly connected through a transverse plate 6 of the machine frame; a feeding mechanism 7 is arranged on one side of the bottom plate of the rack, and a discharging mechanism 8 is arranged on the other side of the bottom plate of the rack; a first sliding module 11 and a second sliding module 12 are respectively and correspondingly arranged at the upper parts of two sides of each rack vertical plate 1 along the vertical direction, the first sliding module 11 is arranged close to the feeding mechanism 7, and the second sliding module 12 is arranged close to the discharging mechanism 8; the pressing rolls 2 and the driven rolls 5 are arranged in parallel, and two ends of the pressing rolls 2 and the driven rolls 5 are respectively connected with the two frame vertical plates 1 in a sliding mode through a first sliding module 11 and a second sliding module 12; the plurality of correcting rollers 3 are arranged below the plurality of pressing rollers 2 in a staggered manner corresponding to the pressing rollers, and two ends of each correcting roller 3 are respectively connected with the two machine frame vertical plates 1 in a rotating manner; the driving roller 4 is correspondingly arranged below the driven rollers 5 and is in driving connection with a motor driving mechanism 41, and the motor driving mechanism 41 is used for driving the driving roller 4 to drive the driven rollers 5, the pressing roller 2 and the correcting roller 3 to synchronously rotate; and a first driving module 9 and a second driving module 10 which are respectively in driving connection with the first sliding module 11 and the second sliding module 12 are further arranged at the top of the transverse plate 6 of the rack.
Wherein, the first driving module 9 includes two lifters 91 and a connecting rod 92; each lifter 91 is arranged at the top of the transverse plate 6 of the rack corresponding to one first sliding module 11, and each lifter 91 is in driving connection with the corresponding first sliding module 11 through one lifting rod 93; the connecting rod 92 is arranged between the two lifters 91 along the length direction of the transverse plate 6 of the frame, and one end of the connecting rod 92 is provided with a hand wheel 94; the second driving module 10 comprises two telescopic cylinders; each telescopic cylinder is arranged at the top of the transverse plate 6 of the rack corresponding to one second sliding module 10, and an output shaft of each telescopic cylinder is in driving connection with the corresponding second sliding module 10; the first sliding module 11 and the second sliding module 12 both comprise a guide rail arranged on the surface of a vertical plate of the rack along the vertical direction and a sliding block capable of sliding along the guide rail; the feeding mechanism 7 comprises two arc-shaped feeding frames 71 and a plurality of feeding rollers 72; each arc-shaped feeding frame 71 is arranged corresponding to one stand vertical plate 1, and one end of each arc-shaped feeding frame 71 is fixedly connected with one end of the corresponding stand vertical plate 1; the feeding rollers 72 are arranged between the two arc-shaped feeding frames 71 along the length direction of the bottom plate of the machine frame, and a feeding transverse plate 73 is arranged between the two arc-shaped feeding frames 71; the feeding transverse plate 73 is arranged close to the vertical plate 1 of the frame, and a plurality of feeding retaining rollers 74 are correspondingly arranged on two sides of the top of the feeding transverse plate 73 along the vertical direction.
The discharging mechanism 8 comprises two discharging frames 81 and a plurality of discharging rollers 82; each discharging frame 81 is arranged corresponding to one stand vertical plate 1, and one end of each discharging frame 81 is fixedly connected with the other end of the corresponding stand vertical plate 1; the plurality of discharging rollers 82 are arranged between the two discharging frames 81 along the length direction of the bottom plate of the frame, a plurality of discharging transverse plates 83 are further arranged between the two discharging frames 81, and two discharging blocking rollers 84 are correspondingly arranged on two sides of the top of each discharging transverse plate 83 along the vertical direction; the end parts of the plurality of pressing rollers 2, the plurality of correcting rollers 3, the driving roller 4 and the plurality of driven rollers 5 are connected through gears; the motor driving mechanism 41 comprises a motor 411, a first synchronous belt module 412, a second synchronous belt module 413 and a rotating shaft 414; the output shaft of the motor 411 is in driving connection with one end of a rotating shaft 414 through a first synchronous belt module 412, and the other end of the rotating shaft 414 is in driving connection with one end of a driving roller 4 through a second synchronous belt module 413.
The utility model discloses the theory of operation:
as shown in fig. 1-4, each rack vertical plate 1 is provided with a first sliding chute (a first sliding module 11 is arranged in the first sliding chute) and a second sliding chute (a second sliding module 12 is arranged in the second sliding chute) along the vertical direction, the first sliding chute is arranged close to the feeding mechanism 7, and the second sliding chute is arranged close to the discharging mechanism 8; guide rails and sliding blocks capable of sliding up and down along the guide rails are uniformly arranged on two sides of the first sliding chute and the second sliding chute along the vertical direction; two ends of a plurality of pressing rollers 2 (two in the embodiment) are respectively connected with the guide rail in a sliding manner through a sliding block, a plurality of correcting rollers 3 (3 in the embodiment) are correspondingly arranged below the pressing rollers in a staggered manner, and when the distance between the pressing rollers 2 and the correcting rollers 3 needs to be adjusted (so as to adapt to materials of different types), only a hand wheel 94 needs to be rotated (the lifter 91 drives the sliding block to drive the pressing rollers 2 to do lifting movement through a lifting rod 93); two ends of a plurality of driven rollers 5 (1 in the embodiment) are also connected with the guide rail in the second sliding chute in a sliding way through a sliding block respectively, and an output shaft of the telescopic cylinder is connected with the sliding block in a driving way and can drive the driven rollers 5 to do lifting motion.
As shown in fig. 5, the driving roller 4 is disposed below the driven roller 5, an output shaft of a motor 411 (servo motor) is in driving connection with one end of a rotating shaft 414 through a first synchronous belt module 412, the other end of the rotating shaft 414 is in driving connection with the driving roller 4 through a second synchronous belt module 413, and the other end of the driving roller 4 is in driving connection with the driven roller 5, the correcting rollers 3 and the pressing rollers 2 through gears, so that when the motor 411 works, the driving roller 4 can be driven to drive the pressing rollers 2, the correcting rollers 3 and the driven rollers 5 to synchronously rotate; the transmission mode is as follows: the motor 411, the first synchronous belt module 412, the rotating shaft 414, the second synchronous belt module 413, the driving roller 4, the driven roller 5, the correcting roller 3 and the pressing roller 2.
The pressing roll 2 and the correcting roll 3 are arranged close to the feeding mechanism 7, so that the material conveyed by the feeding mechanism 7 firstly passes between the pressing roll 2 and the correcting roll 3, and further secondary correction of the material is realized; then, the driving roller 4 and the driven roller 5 convey the materials after the secondary correction to a discharging mechanism 8; the feeding mechanism 7 and the discharging mechanism 8 are respectively provided with a feeding blocking roller 74 and a discharging blocking roller 84, so that the material can be limited between the two vertical plates 1 of the machine frame, and the stability of secondary correction of the material is enhanced.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A servo feeding device with a correction function is characterized by comprising a rack bottom plate, two rack vertical plates, a plurality of pressing rollers, a plurality of correction rollers, a driving roller and a plurality of driven rollers; the two vertical plates of the machine frame are arranged on two sides of the top of the bottom plate of the machine frame in a direction vertical to the length direction of the bottom plate of the machine frame, and the tops of the vertical plates of the two machine frames are fixedly connected through a transverse plate of the machine frame; a feeding mechanism is arranged on one side of the bottom plate of the rack, and a discharging mechanism is arranged on the other side of the bottom plate of the rack; the upper parts of two sides of each rack vertical plate are respectively and correspondingly provided with a first sliding module and a second sliding module along the vertical direction, the first sliding module is arranged close to the feeding mechanism, and the second sliding module is arranged close to the discharging mechanism; the pressing rollers and the driven rollers are arranged in parallel, and two ends of the pressing rollers and two ends of the driven rollers are respectively connected with the two machine frame vertical plates in a sliding mode through a first sliding module and a second sliding module; the plurality of correcting rollers are arranged below the plurality of pressing rollers in a staggered manner corresponding to the plurality of pressing rollers, and two ends of each correcting roller are respectively connected with the vertical plates of the two frames in a rotating manner; the driving rollers are correspondingly arranged below the driven rollers and are in driving connection with a motor driving mechanism, and the motor driving mechanism is used for driving the driving rollers to drive the driven rollers, the material pressing rollers and the correcting rollers to synchronously rotate; and the top of the transverse plate of the rack is also provided with a first driving module and a second driving module which are respectively in driving connection with the first sliding module and the second sliding module.
2. The servo feeding device with correction function as claimed in claim 1, wherein the first driving module comprises two elevators and a connecting rod; each lifter is arranged at the top of the transverse plate of the rack corresponding to one first sliding module, and each lifter is in driving connection with the corresponding first sliding module through one lifting rod; the connecting rod is arranged between the two elevators along the length direction of the transverse plate of the frame, and a hand wheel is arranged at one end of the connecting rod.
3. The servo feeding device with the straightening function according to claim 2, wherein the second driving module comprises two telescopic cylinders; each telescopic cylinder corresponds a second slip module and arranges in frame diaphragm top, and each telescopic cylinder's output shaft and the second slip module drive that corresponds are connected.
4. The servo feeding device with correction function according to claim 3, wherein the first sliding module and the second sliding module each comprise a guide rail arranged on a surface of a vertical plate of the frame in a vertical direction, and a sliding block slidable along the guide rail.
5. The servo feeding device with the straightening function as claimed in claim 1, wherein the feeding mechanism comprises two arc-shaped feeding frames, a plurality of feeding rollers; each arc-shaped feeding frame is arranged corresponding to one stand vertical plate, and one end of each arc-shaped feeding frame is fixedly connected with one end of the corresponding stand vertical plate; the feeding rollers are arranged between the two arc-shaped feeding frames along the length direction of the bottom plate of the machine frame, and a feeding transverse plate is arranged between the two arc-shaped feeding frames; the feeding transverse plate is arranged close to the vertical plate of the frame, and a plurality of feeding retaining rollers are correspondingly arranged on two sides of the top of the feeding transverse plate along the vertical direction.
6. The servo feeding device with the rectification function according to claim 5, wherein the discharging mechanism comprises two discharging racks and a plurality of discharging rollers; each discharging frame is arranged corresponding to one vertical frame plate, and one end of each discharging frame is fixedly connected with the other end of the corresponding vertical frame plate; a plurality of ejection of compact rolls and arranges between two play work or material rest along frame bottom plate length direction, and still is equipped with a plurality of ejection of compact diaphragms between two play work or material rest, and each ejection of compact diaphragm top both sides correspond along vertical direction and are provided with an ejection of compact fender and roll.
7. The servo feeding device with the straightening function as claimed in claim 1, wherein the ends of the plurality of material pressing rollers, the plurality of straightening rollers, the driving roller and the plurality of driven rollers are connected through gears.
8. The servo feeding device with correction function as claimed in claim 7, wherein the motor driving mechanism comprises a motor, a first synchronous belt module, a second synchronous belt module, a rotating shaft; the motor output shaft is in driving connection with one end of the rotating shaft through the first synchronous belt module, and the other end of the rotating shaft is in driving connection with one end of the driving roller through the second synchronous belt module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920805562.1U CN210045790U (en) | 2019-05-28 | 2019-05-28 | Servo material feeding unit of function is corrected in area |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920805562.1U CN210045790U (en) | 2019-05-28 | 2019-05-28 | Servo material feeding unit of function is corrected in area |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210045790U true CN210045790U (en) | 2020-02-11 |
Family
ID=69398346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920805562.1U Active CN210045790U (en) | 2019-05-28 | 2019-05-28 | Servo material feeding unit of function is corrected in area |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210045790U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116690956A (en) * | 2023-07-31 | 2023-09-05 | 汕头市鑫瑞奇诺包装材料有限公司 | Unidirectional stretching polyethylene film directional guiding high-precision stretching equipment and method |
-
2019
- 2019-05-28 CN CN201920805562.1U patent/CN210045790U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116690956A (en) * | 2023-07-31 | 2023-09-05 | 汕头市鑫瑞奇诺包装材料有限公司 | Unidirectional stretching polyethylene film directional guiding high-precision stretching equipment and method |
CN116690956B (en) * | 2023-07-31 | 2023-10-10 | 汕头市鑫瑞奇诺包装材料有限公司 | Unidirectional stretching polyethylene film directional guiding high-precision stretching equipment and method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108339893A (en) | A kind of prototype fabrication monolithic punching core mold | |
CN206358839U (en) | A kind of width-adjusting feed arrangement | |
CN207226481U (en) | A kind of lift charging tray of glass screen | |
CN210131998U (en) | Horizontal leveling feeder is used in processing of keyboard metal bottom plate | |
CN210045790U (en) | Servo material feeding unit of function is corrected in area | |
CN202021238U (en) | Leveling machine | |
CN106695910A (en) | Embossing and slicing integrated machine for aluminum foil production | |
CN116748333A (en) | Leveling machine downward-pressing compensation adjustment system and method | |
CN210392716U (en) | Aluminum plate conveyer with function of rectifying | |
CN212476821U (en) | Asymmetric section product thermal treatment pressure quenching anti-bending device | |
CN213645460U (en) | Bending device is used in elevator door plant processing | |
CN212525505U (en) | Steel coil raw material of cold-formed steel is with pressing from both sides send leveling device | |
CN209097159U (en) | A kind of laser print apparatus of the peaceful packing box of treasured cough | |
CN203698735U (en) | Copper clad plate packaging device | |
CN206632251U (en) | A kind of guide conveying appliance for stamping machine | |
CN212761835U (en) | Panel conveyor and bullet box welding production line | |
CN220635973U (en) | Multi-station pneumatic punching machine capable of automatically feeding | |
CN210098560U (en) | S-shaped resistance steel plate winding device | |
CN217191750U (en) | Metal sheet flattening device | |
CN220295724U (en) | Stamping device suitable for stainless steel fork processing | |
CN219233709U (en) | Vertical sterilizing cabinet case body shell stamping integrated machine | |
CN212190668U (en) | Recoiling leveling device of recoiling machine | |
CN117775838B (en) | Automatic lamination machine of sheet rubber | |
CN210527996U (en) | Material guiding mechanism | |
CN213002421U (en) | Steel plate bin forming machine |
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: 20220620 Address after: 425000 plant 1 in intelligent equipment Industrial Park, Yongzhou economic and Technological Development Zone, Yongzhou City, Hunan Province Patentee after: Hunan Lihao mechanical equipment Co.,Ltd. Address before: 518000 floors 1 and 2, No. 25, Shapo Road, biling community, Pingshan New District, Shenzhen, Guangdong Patentee before: SHENZHEN LIHAO MACHINE EQUIPMENT CO.,LTD. |