CN218365107U - EPE panel cutting machine - Google Patents

EPE panel cutting machine Download PDF

Info

Publication number
CN218365107U
CN218365107U CN202222848176.5U CN202222848176U CN218365107U CN 218365107 U CN218365107 U CN 218365107U CN 202222848176 U CN202222848176 U CN 202222848176U CN 218365107 U CN218365107 U CN 218365107U
Authority
CN
China
Prior art keywords
cutting
epe
guide rail
horizontal
transmission
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
Application number
CN202222848176.5U
Other languages
Chinese (zh)
Inventor
由卫东
王明家
鲁和强
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.)
Qingdao Zhongruncheng Packaging Materials Co ltd
Original Assignee
Qingdao Zhongruncheng Packaging Materials Co ltd
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 Qingdao Zhongruncheng Packaging Materials Co ltd filed Critical Qingdao Zhongruncheng Packaging Materials Co ltd
Priority to CN202222848176.5U priority Critical patent/CN218365107U/en
Application granted granted Critical
Publication of CN218365107U publication Critical patent/CN218365107U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Abstract

The utility model relates to a EPE panel processing technology field discloses an EPE panel cutting machine, including push mechanism, with the supporting swager who uses of push mechanism and install in the mechanism that cuts of push mechanism output, through push mechanism to the propelling movement effect of cutting the mechanism, to pressing from both sides the EPE panel of placing admittedly on the swager and cutting the work, the band pulley outside of belt pulley is connected with the drive belt, the band face and the wire cut electrical discharge machining fixed connection of drive belt. The utility model discloses cutting the during operation to EPE panel, pressing admittedly to the clamp of EPE panel through swager constructs, under the autonomous displacement of mechanism is cut in push mechanism promotion, can improve the autonomic performance of cutting of EPE panel in the one hand to the one of which, strengthen the ability of cutting wantonly to EPE panel, on the other hand can improve the stationarity of cutting of EPE panel, avoids EPE panel to appear the size skew, the condition of dislocation at the in-process of cutting.

Description

EPE panel cutting machine
Technical Field
The utility model relates to a EPE panel processing technology field, in particular to EPE panel cutting machine.
Background
EPE pearl cotton is a novel environment-friendly packaging material, have water proof and moisture proof, take precautions against earthquakes, give sound insulation, keep warm, plastic property is good, toughness is strong, circulation is reproduced, the environmental protection, many advantages such as anti-collision strength are strong, wide application in automobile cushion, embrace the pillow, electronic apparatus, instrument and meter, the computer, the stereo set, medical instrument, the package of high-grade breakable gift such as high grade package, hardware products, toys, melon and fruit, the inner packing of leather shoes, daily necessities, it is often used by the production of panel form, and in to EPE panel production process, generally need adopt the cutting machine to cut EPE panel into appointed size shape, so that put into use, as current patent technique shows:
through the retrieval, chinese patent web discloses a guillootine for EPE foaming panel (public notice No. CN 214924904U), this kind of device, when needing to cut EPE foaming panel, only need to remove EPE foaming panel and first copper contact, then EPE foaming panel can drive first copper and move toward hollow plate inside, first copper removes and can drive L type pole and move, L type pole removes and can drive the slider and move, the slider removes and can compress the second spring and produce elasticity, when first copper and second copper contact, the cylinder can work and drive the diaphragm and move down, the diaphragm moves down and can drive the dead lever and move down, the dead lever moves down and can drive the cutter and move down, thereby can cut the fixed length to EPE foaming panel. However, the cutting machine adopted in the above patent publications and the existing market places has some disadvantages: this kind of mode that EPE foaming panel was cut is removed in the adoption, and it is removing the in-process, and the EPE panel that easily appears on the one hand appears the circumstances of incline, dislocation, leads to the accurate nature of cutting of EPE panel relatively poor, and on the other hand is comparatively low to the autonomic efficiency of cutting of EPE panel, and unable high efficiency cuts the work to the EPE panel in different position. To this end, those skilled in the art have provided an EPE sheet slitting machine that solves the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an EPE panel cutting machine, can effectively solve the mode that current EPE foaming board was cut among the background art, the condition that EPE panel appears incline, dislocation very easily appears in the one side of it, results in the accurate nature of cutting of EPE panel relatively poor, and on the other hand is comparatively low to the autonomic efficiency of cutting of EPE panel, and unable high efficiency cuts the problem of work to the EPE panel in different positions.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an EPE plate splitting machine comprises a pushing mechanism, a pressing mechanism matched with the pushing mechanism and a splitting mechanism arranged at the output end of the pushing mechanism, wherein the EPE plate clamped and fixedly placed on the pressing mechanism is split through the pushing action of the pushing mechanism on the splitting mechanism;
the cutting mechanism comprises two groups of vertical guide rail frames, two groups of guide rail end symmetric clamping of the vertical guide rail frames are provided with two groups of wire cutting machines, the output ends of the wire cutting machines are provided with cutting wires, two groups of transmission shafts are symmetrically arranged at the upper end and the lower end of each vertical guide rail frame, two groups of vertical driving motors are arranged at one group of output ends of the transmission shafts, belt pulleys are symmetrically arranged at the two ends of an arm rod of the two groups of transmission shafts, the outer sides of the belt pulleys are connected with transmission belts, and the belt surfaces of the transmission belts are fixedly connected with the wire cutting machines.
As a further aspect of the present invention: the swager constructs including cutting the platform, the upper portion face of cutting the platform is located middle part position department and has seted up the direction spout, and the rack inboard of cutting the platform is located middle part position department and rotates and be connected with the transmission lead screw, the output of transmission lead screw runs through to cut the platform and is connected with driving motor, and the silk braid outside symmetrical sleeve of transmission lead screw is equipped with two sets of propelling movement slip tables, and is two sets of the output of propelling movement slip table runs through direction spout symmetry and is provided with two sets of to the clamp plate.
As a further aspect of the present invention: the transmission screw rod takes a center line as a boundary, positive and negative screw teeth which are symmetrically arranged with each other are respectively arranged on two sides of the center line, and the transmission screw rod is symmetrically sleeved with the two groups of pushing sliding tables through the positive and negative screw teeth.
As a further aspect of the present invention: and pressure-bearing toothed plates are symmetrically arranged on two sides of the upper plate surface of the slitting platform opposite to the port of the guide chute.
As the utility model discloses further scheme again: push mechanism includes two sets of support grudging posts, and is two sets of the grillage top of supporting the grudging post is provided with the horizontal guide frame, and just is provided with the driving rack to one side of horizontal guide frame in the grillage of two sets of support grudging posts, the guide rail end block of horizontal guide frame has horizontal sliding seat, horizontal sliding seat's seat face top is provided with the arm power support, and one side of horizontal sliding seat is provided with horizontal drive motor, horizontal drive motor's output is provided with the drive gear with driving rack looks meshing.
As a further aspect of the present invention: horizontal guide wheels are symmetrically arranged on two sides of the support of the horizontal sliding seat, and the horizontal sliding seat is clamped with the horizontal guide rail frame in a guiding mode through the horizontal guide wheels.
As a further aspect of the present invention: the back output end of the wire cutting machine is symmetrically provided with vertical guide wheels, and the wire cutting machine is clamped with the vertical guide rail frame in a guiding manner through the vertical guide wheels.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses when cutting the work progress to EPE panel, pressing admittedly to the clamp of EPE panel through swager constructs, under the autonomous formula displacement of mechanism is cut in pushing mechanism's promotion, can improve the autonomic performance of cutting of EPE panel in the one hand to the one of which, strengthen the ability of cutting wantonly to EPE panel, on the other hand can improve the stationarity of cutting of EPE panel, avoids EPE panel to appear the condition of size incline, dislocation at the in-process of cutting.
Drawings
FIG. 1 is a schematic structural view of an EPE plate dividing and cutting machine of the present invention;
fig. 2 is a schematic structural view of a pushing mechanism in the EPE plate dividing and cutting machine of the present invention;
fig. 3 is an enlarged schematic view of the position a in fig. 2 of the EPE plate dividing and cutting machine of the present invention;
fig. 4 is a schematic structural view of a pressing mechanism in the EPE board dividing and cutting machine of the present invention;
fig. 5 is a schematic plan view of a pressing mechanism in the EPE plate dividing and cutting machine of the present invention;
FIG. 6 is a schematic structural view of a slitting mechanism in the EPE board slitting machine of the present invention;
fig. 7 is the utility model relates to a planar schematic diagram of slitting mechanism in EPE panel cutting machine.
In the figure: 1. a pushing mechanism; 11. a support stand; 12. a horizontal guide rail bracket; 13. an arm force support; 14. a drive rack; 15. a horizontal slide; 16. a horizontal guide wheel; 17. a horizontal driving motor; 18. a drive gear; 2. a material pressing mechanism; 21. a slitting platform; 22. a pressure-bearing toothed plate; 23. a guide chute; 24. pressing plates are oppositely clamped; 25. a transmission screw rod; 26. pushing the sliding table; 27. a drive motor; 3. a slitting mechanism; 31. a vertical guide rail bracket; 32. a vertical drive motor; 33. a drive shaft; 34. a pulley; 35. a transmission belt; 36. a wire cutting machine; 37. cutting a line; 38. a vertical guide wheel.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, an EPE plate splitting machine includes a pushing mechanism 1, a pressing mechanism 2 used in cooperation with the pushing mechanism 1, and a splitting mechanism 3 installed at an output end of the pushing mechanism 1, and performs splitting operation on an EPE plate clamped and fixed on the pressing mechanism 2 by a pushing action of the pushing mechanism 1 on the splitting mechanism 3.
The pressing mechanism 2 comprises a slitting platform 21, a guide sliding groove 23 is formed in the middle position of the upper plate surface of the slitting platform 21, a transmission screw rod 25 is rotatably connected to the middle position of the inner side of a rack of the slitting platform 21, the output end of the transmission screw rod 25 penetrates through the slitting platform 21 and is connected with a transmission motor 27, two groups of pushing sliding tables 26 are symmetrically sleeved on the outer side of a screw sleeve of the transmission screw rod 25, two groups of opposite clamping plates 24 are symmetrically arranged on the output ends of the two groups of pushing sliding tables 26 in a manner of penetrating through the guide sliding groove 23, the transmission screw rod 25 is bounded by a central line, positive and negative screw teeth which are symmetrically arranged with each other are respectively arranged on two sides of the central line, the transmission screw rod 25 is symmetrically sleeved with the two groups of pushing sliding tables 26 through the positive and negative screw teeth, when the EPE plate is slit, the EPE plate to be slit is placed above the slitting platform 21, then the transmission motor 27 starts to work, the transmission screw rod 25 is driven to rotate, the positive and negative screw teeth which are symmetrically arranged on the transmission screw rod 25, the two groups of pushing sliding tables 26 are symmetrically slide in the guide sliding groove 23, so that the EPE plate is positioned, and the EPE plate is prevented from being misaligned in the slitting process.
The upper plate surface of the slitting platform 21 is symmetrically provided with the pressure-bearing toothed plates 22 at two sides of the port of the guide sliding groove 23, in the slitting process of the EPE plate, the pressure-bearing toothed plates 22 are additionally arranged on the slitting platform 21, so that the anti-skid performance of the EPE plate can be improved, the cutting line 37 can be guided and pulled by the tooth grooves of the pressure-bearing toothed plates 22, and the cutting line 37 is prevented from being directly acted on the slitting platform 21 after the EPE plate is cut.
The pushing mechanism 1 comprises two groups of supporting vertical frames 11, a horizontal guide rail frame 12 is arranged above the frame frames of the two groups of supporting vertical frames 11, a transmission rack 14 is arranged on one side, facing the horizontal guide rail frame 12, inside the frame frames of the two groups of supporting vertical frames 11, a horizontal sliding seat 15 is clamped at the guide rail end of the horizontal guide rail frame 12, an arm force support 13 is arranged above the seat surface of the horizontal sliding seat 15, a horizontal driving motor 17 is arranged on one side of the horizontal sliding seat 15, a driving gear 18 meshed with the transmission rack 14 is arranged at the output end of the horizontal driving motor 17, horizontal guide wheels 16 are symmetrically arranged on two sides of a support of the horizontal sliding seat 15, the horizontal sliding seat 15 is clamped with the horizontal guide rail frame 12 through the horizontal guide wheels 16 in a guiding mode, in the process of cutting the EPE plate, after the EPE plate is clamped and fixed, the horizontal driving motor 17 starts to work to drive the driving gear 18 to rotate, the horizontal sliding seat 15 is pushed to slide on the horizontal guide rail frame 12 through the meshing transmission of the driving gear 18 and the transmission rack 14, the cutting of the horizontal sliding seat 15 in the horizontal direction on the horizontal guide wheels, the cutting mechanism 3 is used for adjusting the cutting position of the EPE plate, the EPE is improved, the performance of the EPE plate, and the EPE plate is enhanced.
The slitting mechanism 3 comprises two groups of vertical guide rail frames 31, two groups of wire cutting machines 36 are symmetrically clamped on the guide rail ends of the two groups of vertical guide rail frames 31, cutting lines 37 are arranged at the output ends of the wire cutting machines 36, two groups of transmission shafts 33 are symmetrically arranged at the upper and lower ends of the two groups of vertical guide rail frames 31, a vertical driving motor 32 is arranged at one output end of the two groups of transmission shafts 33, belt pulleys 34 are symmetrically arranged at two ends of arm rods of the two groups of transmission shafts 33, a transmission belt 35 is connected to the outer sides of the belt pulleys 34, a belt surface of the transmission belt 35 is fixedly connected with the wire cutting machines 36, vertical guide wheels 38 are symmetrically arranged at the back output ends of the wire cutting machines 36, the wire cutting machines 36 are clamped with the vertical guide rail frames 31 through the vertical guide wheels 38 in a guiding mode, in the slitting process of the EPE plate, after the slitting mechanism 3 is translated to a designated cutting direction, the vertical driving the transmission shafts 33 to rotate, then the belt pulleys 34 are driven to rotate, the wire cutting machines 36 are driven to ascend and descend and slide on the vertical guide rail frames 31 in the rotating process, the synchronous wire cutting machines 36 work, the cutting line 37 is driven, and the EPE plate is linearly cut.
The utility model discloses a theory of operation does: when the cutting operation is performed on the EPE plate, the EPE plate to be cut is placed above the cutting platform 21, then the transmission motor 27 starts to operate, the transmission screw rod 25 is driven to rotate, the two groups of pushing sliding tables 26 are pushed to symmetrically slide in the guide sliding groove 23 through the positive and negative screw teeth which are symmetrically arranged on the transmission screw rod 25, the two groups of clamping plates 24 are clamped to slide, the EPE plate is clamped and positioned, after the EPE plate is clamped and fixed, the horizontal driving motor 17 starts to operate, the driving gear 18 is driven to rotate, the horizontal sliding seat 15 is pushed to slide on the horizontal guide rail frame 12 through the meshing transmission of the driving gear 18 and the transmission rack 14, the cutting direction of the cutting mechanism 3 is adjusted, after the cutting mechanism 3 is translated to the appointed cutting direction, the vertical driving motor 32 starts to operate, the transmission shaft 33 is driven to rotate, the belt pulley 34 pushes the wire cutting machine 36 to ascend and descend on the vertical guide rail frame 31 in the rotating process, the synchronous wire cutting machine 36 operates, the cutting line 37 is driven, the EPE plate is linearly cut, the working of the EPE plate, the performance is improved, and the EPE plate is prevented from being cut in the dislocation size in the EPE cutting process.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The EPE plate splitting machine is characterized by comprising a pushing mechanism (1), a pressing mechanism (2) matched with the pushing mechanism (1) for use and a splitting mechanism (3) installed at the output end of the pushing mechanism (1), wherein the EPE plate clamped and fixedly placed on the pressing mechanism (2) is split through the pushing action of the pushing mechanism (1) on the splitting mechanism (3);
the slitting mechanism (3) comprises two groups of vertical guide rail frames (31) and is two groups of linear cutting machines (36) are symmetrically clamped on guide rail ends of the vertical guide rail frames (31), the output ends of the linear cutting machines (36) are provided with cutting lines (37) and are two groups of transmission shafts (33) and two groups of transmission shafts (33) are symmetrically arranged at the upper end and the lower end of each vertical guide rail frame (31), one group of output ends of the transmission shafts (33) are provided with vertical driving motors (32), belt pulleys (34) are symmetrically arranged at the two ends of an arm rod of the two groups of transmission shafts (33), a belt wheel outer side of each belt pulley (34) is connected with a transmission belt (35), and a belt surface of each transmission belt (35) is fixedly connected with the linear cutting machines (36).
2. The EPE plate dividing and cutting machine according to claim 1, characterized in that the pressing mechanism (2) comprises a dividing and cutting platform (21), the upper plate surface of the dividing and cutting platform (21) is located at the middle position and is provided with a guide sliding groove (23), the inner side of the rack of the dividing and cutting platform (21) is located at the middle position and is rotatably connected with a transmission screw rod (25), the output end of the transmission screw rod (25) penetrates through the dividing and cutting platform (21) to be connected with a transmission motor (27), and the outer side of the wire sleeve of the transmission screw rod (25) is symmetrically provided with two sets of pushing sliding tables (26) and two sets of output ends of the pushing sliding tables (26) penetrate through the guide sliding groove (23) and are symmetrically provided with two sets of opposite pressing plates (24).
3. The EPE plate splitting machine according to claim 2, wherein the transmission screw rod (25) is bounded by a central line, and both sides of the central line are respectively provided with a positive thread and a negative thread which are symmetrically arranged, and the transmission screw rod (25) is symmetrically sleeved with the two groups of pushing sliding tables (26) through the positive thread and the negative thread.
4. The EPE board dividing and cutting machine according to claim 2, characterized in that the upper plate surface of the dividing and cutting platform (21) is symmetrically provided with pressure bearing toothed plates (22) opposite to the two sides of the port of the guide chute (23).
5. The EPE plate splitting machine according to claim 1, characterized in that the pushing mechanism (1) comprises two sets of supporting stands (11), two sets of horizontal guide rail frames (12) are arranged above the plate frames of the supporting stands (11), a transmission rack (14) is arranged inside the plate frames of the two sets of supporting stands (11) and just opposite to one side of each horizontal guide rail frame (12), a horizontal sliding seat (15) is clamped at the guide rail end of each horizontal guide rail frame (12), an arm force support (13) is arranged above the seat surface of the horizontal sliding seat (15), a horizontal driving motor (17) is arranged on one side of each horizontal sliding seat (15), and a driving gear (18) meshed with the transmission rack (14) is arranged at the output end of the horizontal driving motor (17).
6. The EPE plate splitting machine according to claim 5, characterized in that horizontal guide wheels (16) are symmetrically arranged on two sides of the support of the horizontal sliding seat (15), and the horizontal sliding seat (15) is in guiding clamping with the horizontal guide rail frame (12) through the horizontal guide wheels (16).
7. The EPE plate splitting machine according to claim 1, characterized in that the back output end of the wire cutting machine (36) is symmetrically provided with vertical guide wheels (38), and the wire cutting machine (36) is in guiding clamping with the vertical guide rail frame (31) through the vertical guide wheels (38).
CN202222848176.5U 2022-10-28 2022-10-28 EPE panel cutting machine Active CN218365107U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222848176.5U CN218365107U (en) 2022-10-28 2022-10-28 EPE panel cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222848176.5U CN218365107U (en) 2022-10-28 2022-10-28 EPE panel cutting machine

Publications (1)

Publication Number Publication Date
CN218365107U true CN218365107U (en) 2023-01-24

Family

ID=84935024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222848176.5U Active CN218365107U (en) 2022-10-28 2022-10-28 EPE panel cutting machine

Country Status (1)

Country Link
CN (1) CN218365107U (en)

Similar Documents

Publication Publication Date Title
CN111331059A (en) Cutting clamping device capable of cutting based on rotation and guaranteeing cut tidiness
CN218365107U (en) EPE panel cutting machine
CN217451925U (en) Wire cutting machine
CN213136846U (en) Gantry reciprocating type slicer for rubber and plastic foamed plates
CN112704107B (en) Barbecue is with mixed cluster of wearing of many food materials robot
CN212917077U (en) Correcting device for electronic stamping part
CN212419455U (en) Wire stripping device for wire shearing machine
CN209106076U (en) Won Ton Forming Machine
CN219211458U (en) Lead wire feeding and cutting device
CN114603639A (en) Medical dressing slicer
CN212608571U (en) Multichannel cutting device for production of thermal shrinkage film
CN212859575U (en) Slicing device for traditional Chinese medicine
CN212763629U (en) Foil strip cutting device with adjustable cutting width
CN219466308U (en) EPE pearl cotton slitting machine
CN213288861U (en) Device is tailor with steel sheet location to stainless steel cabinet body production
CN217513997U (en) Tensioning structure of gold stamping die-cutting machine
CN218985141U (en) Automatic steel belt edge covering device for wooden box machining
CN212948112U (en) EVA processing is with tailorring device
CN217891160U (en) Cotton section coining press of makeup
CN220128936U (en) Cutting machine
CN219469231U (en) High-speed all-in-one of non-woven auxiliary material
CN213950180U (en) Wedge-shaped wire clamp winding device for power construction
CN216884217U (en) Full-automatic horizontal and vertical slicing machine
CN214938707U (en) A cutter for scalding cotton production of imitative silk
CN216731072U (en) Transmission structure for stainless steel surface wire drawing machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant