CN113334845A - Intelligent numerical control punch press - Google Patents

Intelligent numerical control punch press Download PDF

Info

Publication number
CN113334845A
CN113334845A CN202110761218.9A CN202110761218A CN113334845A CN 113334845 A CN113334845 A CN 113334845A CN 202110761218 A CN202110761218 A CN 202110761218A CN 113334845 A CN113334845 A CN 113334845A
Authority
CN
China
Prior art keywords
machine body
numerical control
plate
intelligent numerical
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.)
Granted
Application number
CN202110761218.9A
Other languages
Chinese (zh)
Other versions
CN113334845B (en
Inventor
柳家忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Aomate High Precision Power Press Co ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110761218.9A priority Critical patent/CN113334845B/en
Publication of CN113334845A publication Critical patent/CN113334845A/en
Application granted granted Critical
Publication of CN113334845B publication Critical patent/CN113334845B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32Discharging presses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Refuse Collection And Transfer (AREA)

Abstract

The invention discloses an intelligent numerical control punch, which structurally comprises: the recycling bin is fixed on the side wall of the machine body through bolts, the recycling bin is connected with a discharge chute of the machine body, the supporting plate frame is arranged in the middle of the machine body, the moving driver is arranged on the right side surface of the machine body, the mechanical arm is parallel to the surface of the supporting plate frame, and an internal circuit of the control panel is connected with internal components of the machine body through a lead; has the advantages that: the driving chain is used for adjusting the angle of the supporting cross rod, enabling the dropped waste boards to be tiled in the moving process, limiting the extension of the arm in the rotating process of the conveying belt, leveling the push block for blocking, and avoiding direct dropping.

Description

Intelligent numerical control punch press
Technical Field
The invention relates to an intelligent numerical control punch press, and belongs to the field of numerical control machining equipment.
Background
Punching press production is mainly to panel, through the mould, can make the blanking, punch a hole, the shaping, the deep-drawing, repair, the essence is towards, the plastic, riveting and extruded article and so on, wide application in each field, current punch press can be retrieved the angle material in some cutting process, the angle material stacks in the process of slide landing to recovery basin often crisscross, and because the angle material is mostly irregular shape, lead to leading to the processing personnel to need frequent clearance after handling, and the in-process of clearing up is carried out very inconveniently by the angle material fish tail easily.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an intelligent numerical control punch press to solve the problems that processing personnel need to frequently clean the leftover materials after processing and the leftover materials are easily scratched and inconvenient in the cleaning process due to the fact that the leftover materials are mostly irregular in shape.
In order to achieve the purpose, the invention is realized by the following technical scheme: an intelligent numerical control punch press, its structure includes: retrieve storehouse, organism, supporting plate frame, removal driver, control panel, retrieve the storehouse and pass through the bolt fastening at the lateral wall of organism, and inside is connected with the organism blown down tank, the organism middle part is equipped with supporting plate frame, remove the driver and install the right side surface at the organism, and the arm is parallel to each other with supporting plate frame surface, control panel internal circuit is connected with the organism internal components through the wire.
Preferably, the recycling bin comprises: protective housing, receipts skip, transmission tower, drive chain, letter sorting area, receive skip both sides gear and protective housing internal drive gear intermeshing, the protective housing right side is equipped with the transmission tower and fixes through the bolt, the transmission tower is through the drive chain at top and letter sorting area mechanical connection.
Preferably, the sorting belt comprises: put up, conveyer belt, flattening ejector pad, auxiliary stand, restriction arm, support horizontal pole in the balance, frame top actuating lever is connected with the support horizontal pole in the balance, the drive wheel that supports the horizontal pole both sides closely laminates with the conveyer belt internal surface, the restriction arm is installed in the left side that supports the horizontal pole, and passes through the bolt fastening with the auxiliary stand loose axle, the flattening ejector pad passes through the upper surface of bolt fastening at the restriction arm.
Preferably, the flattening push block includes: striker plate, PMKD, pressure spring, sliding hand, limit distance wheel, the striker plate both sides are connected with the limit distance wheel through the bolt, sliding hand and the inside spout clearance fit of striker plate, pressure spring level nestification is between PMKD and sliding hand, PMKD passes through the upper surface of bolt fastening at the restriction arm.
Preferably, the striker plate includes: the anti-leakage bottom plate comprises a plate body, a lifting bottom pad, blocking pieces, anti-leakage bottom plates and a buffer layer, wherein shaft levers on two sides of the plate body are connected with a distance limiting wheel through bolts, the lifting bottom pad is arranged at the bottom of the plate body and fixed through the bolts, the blocking pieces are more than two and are uniformly laid at the top of the lifting bottom pad, the bottom edges of the anti-leakage bottom plates are welded and form an integrated structure with the lifting bottom pad, and the buffer layer is connected and fixed on the front end surface of the plate body through glue.
Preferably, the wheel rim of the distance limiting wheel is of a double-convex structure, the middle of the distance limiting wheel is provided with a groove, the groove is movably connected with the guide rails on the two sides of the conveyor belt, and the gap between the barrier pieces can be better limited.
Preferably, the anti-leakage bottom sheet is of a sawtooth structure, so that the anti-leakage bottom sheet can allow fine scraps and the like to pass through while blocking, and continuous friction between the fine scraps at the bottom and the conveyor belt is avoided.
Preferably, the buffer layer is provided with strip-shaped vertical protrusions, and the distance between every two adjacent protrusions is-between.
Preferably, the top end of the blocking piece is of a movable structure, torsion springs are arranged on two sides of the blocking piece to be connected, extrusion can be avoided when blocking is conducted, and space can be adjusted.
Advantageous effects
The invention relates to an intelligent numerical control punch press, which has the following effects:
the driving chain is used for adjusting the angle of the supporting cross rod, enabling the dropped waste boards to be tiled in the moving process, limiting the extension of the arm in the rotating process of the conveying belt, leveling the push block for blocking, and avoiding direct dropping.
The blocking sheet protects the lifting and leveling bottom pad, the lifting and leveling bottom pad lifts the front end of the material, the continuous scratching of the conveyor belt by the edge of the front end is avoided, and some fine scraps generated by cutting are discharged from the gap of the leakage-proof bottom sheet, so that waste materials are tidier when stacked, the stacking space is reduced, and meanwhile, the collection by workers is more convenient.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of an intelligent numerical control press according to the present invention.
FIG. 2 is a schematic sectional view of the recycling bin of the present invention.
Fig. 3 is a schematic cross-sectional view of the sorting belt of the present invention.
Fig. 4 is a schematic structural view of the leveling pushing block of the present invention.
Fig. 5 is a schematic side view of the striker plate of the present invention.
Fig. 6 is a schematic view of the action structure of the sorting belt of the present invention.
In the figure: the device comprises a recovery bin-1, a machine body-2, a supporting plate frame-3, a moving driver-4, a control panel-5, a protective shell-11, a material receiving vehicle-12, a transmission tower-13, a driving chain-14, a sorting belt-15, a balance middle frame-151, a conveying belt-152, a leveling push block-153, an auxiliary support-154, a limiting arm-155, a supporting cross bar-156, a material baffle-1531, a fixed bottom plate-1532, a compression spring-1533, a sliding hand-1534, a distance limiting wheel-1535, a plate body-15 a, a lifting flat bottom pad-15 b, a blocking sheet-15 c, a leakage-proof bottom sheet-15 d and a buffer layer-15 e.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
According to the drawings of fig. 1-3 and fig. 6, the invention provides a technical scheme of an intelligent numerical control punch press: the structure includes: retrieve storehouse 1, organism 2, support grillage 3, remove driver 4, control panel 5, retrieve storehouse 1 through the bolt fastening at the lateral wall of organism 2, and inside is connected with 2 blown down tanks of organism, 2 middle parts of organism are equipped with support grillage 3, remove driver 4 and install the right side surface at organism 2, and the arm is parallel to each other with 3 surfaces of support grillage, 5 internal circuit of control panel is connected with 2 internal components of organism through the wire, retrieve storehouse 1 and include: protective housing 11, material collecting cart 12, transmission tower 13, drive chain 14, letter sorting area 15, material collecting cart 12 both sides gear and 11 internal drive gear intermeshing of protective housing, protective housing 11 right side is equipped with transmission tower 13 and fixes through the bolt, transmission tower 13 carries out mechanical connection through the drive chain 14 at top and letter sorting area 15, and letter sorting area 15 includes: the device comprises a balance middle frame 151, a conveyor belt 152, a leveling push block 153, an auxiliary support 154, a limiting arm 155 and a supporting cross bar 156, wherein a driving rod at the top of the balance middle frame 151 is connected with the supporting cross bar 156, driving wheels at two sides of the supporting cross bar 156 are tightly attached to the inner surface of the conveyor belt 152, the limiting arm 155 is arranged on the left side of the supporting cross bar 156 and is fixed with a movable shaft of the auxiliary support 154 through a bolt, and the leveling push block 153 is fixed on the upper surface of the limiting arm 155 through a bolt.
The angle that foretell drive chain 14 was used for adjusting support horizontal pole 156 makes the waste board that drops tiling at the in-process that removes, restricts arm 155 at the rotatory in-process of conveyer belt 152 and extends, and the flattening ejector pad is carried out the separation simultaneously, avoids directly dropping, increases support horizontal pole 156 increase angle when the material that falls on conveyer belt 152 for the material slowly descends in the receipts skip, avoids the material untidy lead to needing frequently to unload when collecting.
Example 2
As shown in fig. 4 and 5, the flattening push block 153 includes: the gauge plate 1531, the fixed bottom plate 1532, the pressing spring 1533, the runner 1534, and the gauge wheel 1535, both sides of the gauge plate 1531 are connected to the gauge wheel 1535 through bolts, the runner 1534 is in clearance fit with a chute inside the gauge plate 1531, the pressing spring 1533 is horizontally nested between the fixed bottom plate 1532 and the runner 1534, a rim of the gauge wheel 1535 is a double-convex structure, a groove is formed in the middle of the rim, and is movably connected to the guide rails on both sides of the conveyor belt 152, so as to better limit a clearance of the barrier sheet 15d, the fixed bottom plate 1532 is fixed to the upper surface of the limiting arm 155 through bolts, and the gauge plate 1531 includes: the anti-leakage device comprises a plate body 15a, a lifting bottom cushion 15b, a blocking sheet 15c, a leakage-proof bottom sheet 15d and a buffer layer 15e, wherein shaft rods on two sides of the plate body 15a are connected with a distance limiting wheel 1535 through bolts, the lifting bottom cushion 15b is arranged at the bottom of the plate body 15a and is fixed through the bolts, more than two blocking sheets 15c are uniformly laid on the top of the lifting bottom cushion 15b, the edge of the bottom of the leakage-proof bottom sheet 15d is welded with the lifting bottom cushion 15b to form an integral structure, the buffer layer 15e is fixed on the front end surface of the plate body 15a through glue connection, the leakage-proof bottom sheet 15d is of a saw-toothed structure, fine scraps and the like can pass through the anti-leakage device while blocking, continuous friction between the fine scraps at the bottom and a conveyor belt is avoided, the buffer layer 15e is provided with strip-shaped vertical bulges, the distance between every two adjacent bulges is 1mm-5mm, the top end of the blocking sheet 15c is of a movable structure, the torsion springs are arranged on the two sides of the base for connection, so that extrusion can be avoided when the base is blocked, and the space can be adjusted.
Foretell separation blade 15c protects rise flat heelpiece 15b, rises flat heelpiece 15b and lifts up the material front end, avoids the front end edge to last fish tail conveyer belt 152, and the slit discharge of the fine fillings that some cutting produced at leak protection film 15d for the waste material is more neat when piling up, reduces the space of piling up, and simultaneously the staff is also more convenient when collecting.
The working principle of the intelligent numerical control punch press is explained as follows:
retrieve storehouse 1 and install the side at organism 2, 2 bottoms of organism are equipped with the edge of a knife, and the material removes on the surface of supporting plate frame 3 through the centre gripping that removes driver 4 to organism 2 carries out stamping work, can produce the waste material after the punching press finishes, then lets the waste material get into the inside of retrieving storehouse 1 from the side.
The waste material drops on the surface of letter sorting area 15, the material is in the state of tiling when falling on conveyer belt 152, conveyer belt 152 thinks the left side and removes under the drive of support horizontal pole 156, and contact with flattening pushing shoe 153, and arrange the parallel and level gradually, then drive chain 14 drives balanced well frame 151 rotation support horizontal pole 156 and is close to material collecting trolley 12 gradually, when balanced well frame 151 pivoted angle surpassed the action stroke of pressure spring 1533, striker plate 1531 can't continue to extend, separation piece 15c breaks away from the surface of conveyer belt 152 gradually, make the original separation material of separation piece 15c slowly drop in the material collecting trolley.
And along with the improvement of conveyer belt 152 angle, the material that part was fallen probably directly strikes plate body 15a consequently protects through buffer layer 15e, and every time after unloading the back conveyer belt 152 resets, the motor that installs at protective housing 11 side drives the skip 12 and removes for the even scattering of waste material is in the skip.
When the material collecting vehicle 12 completely moves out, the recycling personnel can collect the materials quickly, the situation that the materials are not flat when collected and need to be discharged frequently is avoided, and meanwhile, the recycling can be facilitated for the workers.
The foregoing merely illustrates the principles and preferred embodiments of the invention and many variations and modifications may be made by those skilled in the art in light of the foregoing disclosure, which are intended to be within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. An intelligent numerical control punch press, its structure includes: the recycling bin (1), the machine body (2), the supporting plate frames (3), the moving driver (4) and the control panel (5) are fixed on the side wall of the machine body (2) through bolts, the inside of the recycling bin is connected with a discharge chute of the machine body (2), the supporting plate frames (3) are arranged in the middle of the machine body (2), the moving driver (4) is arranged on the right side surface of the machine body (2), the surfaces of the mechanical arm and the supporting plate frames (3) are parallel to each other, and an internal circuit of the control panel (5) is connected with internal components of the machine body (2) through wires;
the recycling bin (1) comprises a protective shell (11), a material receiving vehicle (12), a transmission tower (13), a driving chain (14) and a sorting belt (15), gears on two sides of the material receiving vehicle (12) are meshed with a driving gear inside the protective shell (11), the transmission tower (13) is arranged on the right side of the protective shell (11) and fixed through bolts, and the transmission tower (13) is mechanically connected with the sorting belt (15) through the driving chain (14) on the top;
sorting area (15) are including balanced well frame (151), conveyer belt (152), flattening ejector pad (153), auxiliary stand (154), restriction arm (155), support horizontal pole (156), balanced well frame (151) top actuating lever is connected with support horizontal pole (156), the drive wheel that supports horizontal pole (156) both sides closely laminates with conveyer belt (152) internal surface, restriction arm (155) are installed in the left side of supporting horizontal pole (156), and pass through the bolt fastening with auxiliary stand (154) loose axle, flattening ejector pad (153) pass through the upper surface of bolt fastening at restriction arm (155).
2. The intelligent numerical control press as claimed in claim 1, wherein: the leveling pushing block (153) comprises a material baffle plate (1531), a fixed bottom plate (1532), a pressing spring (1533), a sliding hand (1534) and a distance limiting wheel (1535), wherein two sides of the material baffle plate (1531) are connected with the distance limiting wheel (1535) through bolts, the sliding hand (1534) is in clearance fit with a sliding groove in the material baffle plate (1531), the pressing spring (1533) is horizontally nested between the fixed bottom plate (1532) and the sliding hand (1534), and the fixed bottom plate (1532) is fixed on the upper surface of the limiting arm (155) through bolts.
3. The intelligent numerical control press as claimed in claim 2, wherein: striker plate (1531) is including plate body (15a), rise and level heelpiece (15b), separation piece (15c), leak protection film (15d), buffer layer (15e), plate body (15a) both sides axostylus axostyle is connected with gauge wheel (1535) through the bolt, plate body (15a) bottom is equipped with rises and levels heelpiece (15b), and fixes through the bolt, separation piece (15c) are equipped with more than two, evenly lay at the top of rising and leveling heelpiece (15b), leak protection film (15d) bottom edge forms an organic whole structure through welding and rise and level heelpiece (15b), buffer layer (15e) are fixed at the front end surface of plate body (15a) through gluey connection.
4. The intelligent numerical control press as claimed in claim 2, wherein: the wheel rim of the distance limiting wheel (1535) is of a double-convex structure, and the middle part of the distance limiting wheel is provided with a groove which is movably connected with the guide rails on the two sides of the conveyor belt (152).
5. The intelligent numerical control press as claimed in claim 3, wherein: the leakproof bottom sheet (15d) is of a sawtooth structure.
6. The intelligent numerical control press as claimed in claim 3, wherein: the buffer layer (15e) is provided with strip-shaped vertical protrusions, and the distance between every two adjacent protrusions is 1-5 mm.
CN202110761218.9A 2021-07-06 2021-07-06 Intelligent numerical control punch press Active CN113334845B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110761218.9A CN113334845B (en) 2021-07-06 2021-07-06 Intelligent numerical control punch press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110761218.9A CN113334845B (en) 2021-07-06 2021-07-06 Intelligent numerical control punch press

Publications (2)

Publication Number Publication Date
CN113334845A true CN113334845A (en) 2021-09-03
CN113334845B CN113334845B (en) 2022-09-13

Family

ID=77482799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110761218.9A Active CN113334845B (en) 2021-07-06 2021-07-06 Intelligent numerical control punch press

Country Status (1)

Country Link
CN (1) CN113334845B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9102115B1 (en) * 2013-10-16 2015-08-11 William H. Wiggins Method and apparatus for compacting powders
CN207792268U (en) * 2018-01-03 2018-08-31 合肥鑫晟光电科技有限公司 A kind of material collecting device and cutting equipment
CN109702106A (en) * 2019-01-21 2019-05-03 台州迪邦科技有限公司 The automatic recycling and reusing system of stampings
CN209077639U (en) * 2018-10-29 2019-07-09 东莞市淞鑫电器有限公司 A kind of material collecting device of silicon steel sheet press machine
CN209441763U (en) * 2018-12-22 2019-09-27 天津市通鑫益塑料制品有限公司 Efficiently it is packaged conveying device
CN110844462A (en) * 2019-12-30 2020-02-28 枣庄鑫金山智能机械股份有限公司 A conveyor for asphalt concrete gravel aggregate
CN210498053U (en) * 2019-07-10 2020-05-12 大连盛大精密机械有限公司 Waste discharge device of stamping machine tool
CN112845771A (en) * 2021-01-09 2021-05-28 周在均 Precision stamping die for sheet metal parts

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9102115B1 (en) * 2013-10-16 2015-08-11 William H. Wiggins Method and apparatus for compacting powders
CN207792268U (en) * 2018-01-03 2018-08-31 合肥鑫晟光电科技有限公司 A kind of material collecting device and cutting equipment
CN209077639U (en) * 2018-10-29 2019-07-09 东莞市淞鑫电器有限公司 A kind of material collecting device of silicon steel sheet press machine
CN209441763U (en) * 2018-12-22 2019-09-27 天津市通鑫益塑料制品有限公司 Efficiently it is packaged conveying device
CN109702106A (en) * 2019-01-21 2019-05-03 台州迪邦科技有限公司 The automatic recycling and reusing system of stampings
CN210498053U (en) * 2019-07-10 2020-05-12 大连盛大精密机械有限公司 Waste discharge device of stamping machine tool
CN110844462A (en) * 2019-12-30 2020-02-28 枣庄鑫金山智能机械股份有限公司 A conveyor for asphalt concrete gravel aggregate
CN112845771A (en) * 2021-01-09 2021-05-28 周在均 Precision stamping die for sheet metal parts

Also Published As

Publication number Publication date
CN113334845B (en) 2022-09-13

Similar Documents

Publication Publication Date Title
CN107838266A (en) A kind of novel punching machine
CN114472737A (en) Automatic feeding structure
CN114273246A (en) Waste lithium battery sorting and recycling device
CN210475300U (en) Hardware stamping waste collection device
CN113334845B (en) Intelligent numerical control punch press
CN109676681B (en) Paper processing perforating device convenient to arrangement
CN214652026U (en) Automatic stacking device for friction plates
CN115740159B (en) Stamping device is used in automobile punching part processing
CN210881058U (en) High-speed punch device capable of automatically collecting waste materials
CN111468658A (en) Copper pipe machining device for pressure switch
CN217990545U (en) Hydraulic punching machine with waste recovery device
CN207057497U (en) A kind of pressing equipment for being convenient to clean waste material
CN217314548U (en) Parcel sieving mechanism based on size of volume is categorised
CN210173756U (en) Efficient cross cutting machine
CN211729326U (en) Lining plate processing equipment with waste collecting device
CN209887211U (en) Waste material clearance collection device for machine tool machining
CN210477196U (en) Material punching production line
CN115140519A (en) Stock bin type arrangement machine
CN113650215A (en) Full-automatic pneumatic punching forming machine
CN112442960A (en) Working method for garbage cleaning
CN210866007U (en) Two-in-one keyboard assembling machine
CN215040641U (en) Multifunctional high-speed tablet press for preparing tablets
CN220837644U (en) Waste material discharging device
CN110562736A (en) Automatic unloader of cylinder slice work piece make-up machine
CN215094103U (en) Cutting device for blister packaging tray

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20220824

Address after: No. 66, Yanshan North Road, Development Zone, Ningbo City, Zhejiang Province, 315000

Applicant after: NINGBO AOMATE HIGH PRECISION POWER PRESS CO.,LTD.

Address before: 071000 No. 204, Xinsan village, Xinli Town, Gaobeidian City, Baoding City, Hebei Province

Applicant before: Liu Jiazhong

GR01 Patent grant
GR01 Patent grant