CN208696064U - A kind of cone side's machine being conveniently replaceable cone side's mold - Google Patents

A kind of cone side's machine being conveniently replaceable cone side's mold Download PDF

Info

Publication number
CN208696064U
CN208696064U CN201821324320.2U CN201821324320U CN208696064U CN 208696064 U CN208696064 U CN 208696064U CN 201821324320 U CN201821324320 U CN 201821324320U CN 208696064 U CN208696064 U CN 208696064U
Authority
CN
China
Prior art keywords
fixedly connected
slide
head
workbench
cylinder
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
CN201821324320.2U
Other languages
Chinese (zh)
Inventor
魏红斌
林秀娟
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.)
Foshan Name East Technology Co Ltd
Original Assignee
Foshan Name East Technology 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 Foshan Name East Technology Co Ltd filed Critical Foshan Name East Technology Co Ltd
Priority to CN201821324320.2U priority Critical patent/CN208696064U/en
Application granted granted Critical
Publication of CN208696064U publication Critical patent/CN208696064U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The utility model discloses a kind of cone side's machines for being conveniently replaceable cone side's mold, including transmission component, slide assemblies, limit assembly and molding assembly, the transmission component is mainly made of belt pulley, transmission case, workbench and first motor, the first motor is equipped on the left of the bottom inner surface of the workbench, the first motor is fixedly connected with the workbench;User is when replacing the mould tube in head, electric pushrod controller is manipulated first, electric pushrod is set to work, the left side of terminal pad is raised by the output end of electric pushrod, the mould tube in head, mold pipe sleeve are at the uniform velocity exported from the right side of head at this time, secondly, it will be split between mold pipe sleeve and mould tube, corresponding mould tube is mounted on to one end of mold pipe sleeve, finally again by the work of electric pushrod, output end drives terminal pad to be retracted in head, and mould tube is also imported into succession in pressure axis, to reduce the replacement difficulty of mould tube.

Description

A kind of cone side's machine being conveniently replaceable cone side's mold
Technical field
The utility model belongs to cone side's machine technical field, and in particular to a kind of cone side's machine for being conveniently replaceable cone side's mold.
Background technique
Cone side's machine is a kind of cold rolling molding equipment, and a kind of typical compression molding is mechanical, and cone side's machine is by metal tube The molded processing of class cold forging by way of mold.
Original cone side's machine when in use, is generally formed tube extrusion by the way of spending solid head extrusion die, and its In mold be generally fixed with the both ends in head, cause user to be not easy to more mold exchange, make troubles to user.
Utility model content
The purpose of this utility model is to provide a kind of cone side's machines for being conveniently replaceable cone side's mold, to solve above-mentioned background skill Original cone side's machine is proposed in art when in use, is generally formed tube extrusion by the way of spending solid head extrusion die, and its In mold be generally fixed with the both ends in head, cause user to be not easy to more mold exchange, make troubles to user The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of cone side being conveniently replaceable cone side's mold Machine, including transmission component, slide assemblies, limit assembly and molding assembly, the transmission component mainly by belt pulley, transmission case, The bottom inner surface left side of workbench and first motor composition, the workbench is equipped with the first motor, the first motor It is fixedly connected with the workbench, the output end of the first motor is fixedly connected with driving wheel, and the transmission case is located at the work It on the left of the upper surface for making platform, and is fixedly connected with the workbench, the front surface of the transmission case is equipped with the belt pulley, described Belt pulley and the transmission case are rotatablely connected, and the first motor and external power supply are electrically connected,
The slide assemblies are mainly made of first slide and the first cylinder, and the first slide is located at the workbench It upper surface and is fixedly connected with the workbench, the right side wall of the first slide is equipped with first cylinder, first gas Cylinder is fixedly connected with the first slide, and the inner sidewall of the first slide is equipped with slide bar, the slide bar and the first slide It being fixedly connected, first cylinder and external power supply are electrically connected,
The limit assembly is mainly made of the second cylinder, the seat of honour, lower seat, sliding block, screw rod, support plate and second slide, The lateral wall of the slide bar is equipped with fixing seat, and the fixing seat is connect with the sliding bar, on the left of the fixing seat upper surface Equipped with the lower seat, the lower seat is fixedly connected with the fixing seat, and the top of the lower seat is equipped with second cylinder, described Second cylinder is fixedly connected with the lower seat, and the output end of second cylinder is fixedly connected with the seat of honour, the support plate position It on the right side of the upper surface of the fixing seat, and is bolted with the fixing seat, the upper surface of the support plate is equipped with institute Second slide is stated, the second slide is fixedly connected with the support plate, and the upper surface of the support plate is sliding close to described second The right side of seat is equipped with the second motor, and second motor is fixedly connected with the support plate, and the output end of second motor turns The dynamic connection screw rod, the lateral wall of the screw rod are equipped with the sliding block, and the sliding block and the screw rod are rotatablely connected, and described the Two motors and second cylinder and external power supply are electrically connected,
The molding assembly mainly by head, raise case, terminal pad, shaft, pressure axis, mould tube, electric pushrod and mould Have a casing composition, the upper surface of the workbench is equipped with the head close to the right end of the transmission case, the head with it is described Workbench is fixedly connected, and the right side wall of the head raises case equipped with described, and case and the head of raising is consolidated by bolt Fixed, the terminal pad raises the right side wall of case positioned at described, and is slidably connected with the case that raises, the left side wall of the terminal pad Equipped with electric pushrod, the electric pushrod is fixedly connected with the case that raises, and the inner sidewall for raising case is equipped with the mold Casing, and being fixedly connected with the mould casing, the inner sidewall of the mould casing are equipped with the mould tube, the mould tube with The mould casing is fixedly connected, and the shaft is located at the inside left side wall of the head, and is rotatablely connected with the head, institute State and be equipped with the pressure axis on the right side of the lateral wall of shaft, the pressure axis is fixedly connected with the shaft, the electric pushrod and External power supply is electrically connected.
Preferably, the driving wheel and the belt pulley are sequentially connected by belt.
Preferably, the belt pulley is fixedly connected with the shaft by transfer roller.
Preferably, the pressure axis is hollow structure, and the pressure axis is run through in the left end of the mould tube.
Preferably, the output end of first cylinder is slidably connected the fixing seat.
Preferably, the upper surface of the sliding block is equipped with limit base, and the limit base is bolted with the sliding block.
Compared with prior art, the utility model has the beneficial effects that when mould tube of the user in replacement head, first Electric pushrod controller is manipulated, so that electric pushrod is worked, the left side of terminal pad is raised by the output end of electric pushrod, at this time head Interior mould tube, mold pipe sleeve are at the uniform velocity exported from the right side of head, secondly, by splitting between mold pipe sleeve and mould tube, by phase The mould tube answered is mounted on one end of mold pipe sleeve, and finally again by the work of electric pushrod, output end drives terminal pad to shrink Into head, mould tube is also imported into succession in pressure axis, to reduce the replacement difficulty of mould tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the handpiece structure schematic diagram in the utility model;
Fig. 3 is the terminal pad structural schematic diagram in the utility model;
Fig. 4 is the lower seat right side structural representation in the utility model;
In figure: 10, transmission component;11, belt pulley;12, transmission case;13, workbench;14, first motor;20, Slide Group Part;21, first slide;22, the first cylinder;30, limit assembly;31, the second cylinder;32, the seat of honour;33, lower seat;34, sliding block; 35, screw rod;36, support plate;37, second slide;40, molding assembly;41, head;42, case is raised;43, terminal pad;44, turn Axis;45, press axis;46, mould tube;47, electric pushrod;48, mould casing.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of cone side's machine being conveniently replaceable cone side's mold, Including transmission component 10, slide assemblies 20, limit assembly 30 and molding assembly 40, transmission component 10 is mainly by belt pulley 11, biography Dynamic case 12, workbench 13 and first motor 14 form, and first motor 14, the first electricity are equipped on the left of the bottom inner surface of workbench 13 Machine 14 is fixedly connected with workbench 13, and the output end of first motor 14 is fixedly connected with driving wheel, and transmission case 12 is located at workbench 13 Upper surface on the left of, and be fixedly connected with workbench 13, the front surface of transmission case 12 is equipped with belt pulley 11, belt pulley 11 and transmission Case 12 is rotatablely connected, and first motor 14 and external power supply are electrically connected,
Slide assemblies 20 are mainly made of first slide 21 and the first cylinder 22, and first slide 21 is located at the upper of workbench 13 It surface and is fixedly connected with workbench 13, the right side wall of first slide 21 is equipped with the first cylinder 22, the first cylinder 22 and the first cunning Seat 21 is fixedly connected, and the inner sidewall of first slide 21 is equipped with slide bar, and slide bar is fixedly connected with first slide 21, the first cylinder 22 and External power supply is electrically connected,
Limit assembly 30 is mainly by the second cylinder 31, the seat of honour 32, lower seat 33, sliding block 34, screw rod 35, support plate 36 and second Slide 37 forms, and the lateral wall of slide bar is equipped with fixing seat, and fixing seat is connect with sliding bar, is equipped with down on the left of fixing seat upper surface Seat 33, lower seat 33 is fixedly connected with fixing seat, and the top of lower seat 33 is equipped with the second cylinder 31, and the second cylinder 31 and lower seat 33 are fixed Connection, the output end of the second cylinder 31 are fixedly connected with the seat of honour 32, and support plate 36 is located at the upper surface right side of fixing seat, and with fixation Seat is bolted, and the upper surface of support plate 36 is equipped with second slide 37, and second slide 37 is fixedly connected with support plate 36, is propped up The upper surface of fagging 36 is equipped with the second motor close to the right side of second slide 37, and the second motor is fixedly connected with support plate 36, the The output end of two motors is rotatablely connected screw rod 35, and the lateral wall of screw rod 35 is equipped with sliding block 34, and sliding block 34 and screw rod 35 are rotatablely connected, Second motor and the second cylinder 31 are electrically connected with external power supply,
Molding assembly 40 mainly by head 41, raise case 42, terminal pad 43, shaft 44, pressure axis 45, mould tube 46, electricity Dynamic push rod 47 and mould casing 48 form, and the upper surface of workbench 13 is equipped with head 41, head 41 close to the right end of transmission case 12 It is fixedly connected with workbench 13, the right side wall of head 41, which is equipped with, raises case 42, raises case 42 and is bolted with head 41, even It connects disk 43 and is located at the right side wall for raising case 42, and be slidably connected with case 42 is raised, the left side wall of terminal pad 43 is equipped with electric pushrod 47, electric pushrod 47 is fixedly connected with case 42 is raised, raise case 42 inner sidewall be equipped with mould casing 48, and with mould casing 48 It being fixedly connected, the inner sidewall of mould casing 48 is equipped with mould tube 46, and mould tube 46 is fixedly connected with mould casing 48, and shaft 44 It is rotatablely connected in the inside left side wall of head 41, and with head 41, pressure axis 45 is equipped on the right side of the lateral wall of shaft 44, press axis 45 are fixedly connected with shaft 44, and electric pushrod 47 and external power supply are electrically connected.
In the present embodiment, user is when replacing the mould tube 46 in head 41, firstly, manipulation electric pushrod controller, So that electric pushrod 47 is worked, the left side of terminal pad 43 is raised by the output end of electric pushrod 47, at this point, the mould tube in head 41 46, mould casing 48 is at the uniform velocity exported from the right side of head 41, secondly, by splitting between mould casing 48 and mould tube 46, by phase The mould tube 46 answered is mounted on one end of mould casing 48, and finally again by the work of electric pushrod 47, output end drives connection Disk 43 is retracted in head 41, and mould tube 46 is also imported into succession in pressure axis 45, so that the replacement for reducing mould tube 46 is difficult Degree;User is laterally put into lower seat 33 in fixing tube, by pipe, and the length of pipe, behaviour are suppressed according to required for user The second electric machine controller is controlled, makes the second motor that screw rod 35 be driven to rotate, at this point, sliding block 34 slides in second slide 37, by limiting Position seat connects pipe, consequently facilitating the length of pipe is adjusted, after adjusting corresponding length, by the work of the second cylinder 31, by the seat of honour 32 are attached on lower seat 33, fix pipe, the model Y2 of first motor 14 among the above, the model PLX of the second motor, The model SC63, the model SC125 of the second cylinder 31 of first cylinder 22.
In the present embodiment, when workpieces processing, the right end of workpiece is fixed on limit base, and is placed on lower seat 33, It drives screw rod 35 to rotate by the rotation of the second motor, slides sliding block 34 in second slide 37, pipe is on lower seat 33 at this time Sliding stops the work of the second motor after pipe is adjusted to corresponding length, by the work of the second cylinder 31, pushes the seat of honour 32, It is stabilized in pipe in the seat of honour 32 and lower seat 33, after pipe is fixed, by the work of the first cylinder 22, pushes fixing seat, make to fix Seat slides in first slide 21, and pipe is imported into head 41, after importing, by the work of first motor 14, drives actively Wheel rotation, belt drive belt pulley 11 to rotate in succession, then drive shaft 44 by the transfer roller in transmission case 12, keep pressure axis 45 right Die bar pressure in mould tube 46, makes pipeline form cone-shaped,, will again by the work of the first cylinder 22 after pipe is formed Fixing seat pull exports pipe out of head 41.
Further, driving wheel and belt pulley 11 are sequentially connected by belt.
In the present embodiment, by the work of first motor 14, driving wheel rotation is driven, belt drives 11 turns of belt pulley in succession It is dynamic, make the transfer roller in transmission case 12 that shaft 44 be driven to rotate, consequently facilitating by pipe compression moulding.
Further, belt pulley 11 is fixedly connected with shaft 44 by transfer roller.
In the present embodiment, during belt pulley 1 rotates, transfer roller also drives shaft 44 to rotate in succession.
Further, pressure axis 45 is hollow structure, and the left end of mould tube 46 is through pressure axis 45.
In the present embodiment, when pressure axis 45 rotates, is pressed by pressure axis 45 to the die bar in mould tube 46, squeeze pipe It is molded.
Further, the output end of the first cylinder 22 is slidably connected fixing seat.
In the present embodiment, by the work of the first cylinder 22, fixing seat is pushed, slides fixing seat in first slide 21, Pipe is imported into head 41.
Further, the upper surface of sliding block 34 is equipped with limit base, and limit base is bolted with sliding block 34.
In the present embodiment, when sliding block 34 slides in second slide 37, pipe is connected by limit base, limits pipe Telescopic location, consequently facilitating adjusting the length of pipe.
The working principle and process for using of the utility model: after the utility model installs, when workpieces processing, by workpiece Right end be fixed on limit base, and be placed on lower seat 33, drive screw rod 35 to rotate by the rotation of the second motor, make sliding block 34 slide in second slide 37, and pipe slides on lower seat 33 at this time, after pipe is adjusted to corresponding length, stop the second electricity The work of machine is pushed the seat of honour 32, is stabilized in pipe in the seat of honour 32 and lower seat 33, pipe is fixed by the work of the second cylinder 31 Afterwards, by the work of the first cylinder 22, fixing seat is pushed, fixing seat is slided in first slide 21, pipe is imported into head In 41, after importing, by the work of first motor 14, drive driving wheel rotation, belt drives belt pulley 11 to rotate in succession, then by Transfer roller in transmission case 12 drives shaft 44, and the axis 45 that makes to press makes pipeline form taper the die bar pressure in mould tube 46 Fixing seat pull after pipe is formed, exports pipe out of head 41, Yong Hu by shape by the work of the first cylinder 22 again When replacing the mould tube 46 in head 41, firstly, manipulation electric pushrod controller, makes electric pushrod 47 work, by electric pushrod 47 output end raises the left side of terminal pad 43, at this point, the mould tube 46, mould casing 48 in head 41 are at the uniform velocity from head 41 Right side export, secondly, corresponding mould tube 46 is mounted on mould casing 48 by splitting between mould casing 48 and mould tube 46 One end, finally again by the work of electric pushrod 47, output end drives terminal pad 43 to be retracted in head 41, mould tube 46 It is imported into pressure axis 45 in succession, to reduce the replacement difficulty of mould tube 46.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of cone side's machine for being conveniently replaceable cone side's mold, it is characterised in that: including transmission component (10), slide assemblies (20), Limit assembly (30) and molding assembly (40), the transmission component (10) is mainly by belt pulley (11), transmission case (12), workbench (13) and first motor (14) composition, the bottom inner surface left side of the workbench (13) are equipped with the first motor (14), institute It states first motor (14) to be fixedly connected with the workbench (13), the output end of the first motor (14) is fixedly connected actively Wheel, the transmission case (12) is located on the left of the upper surface of the workbench (13), and is fixedly connected with the workbench (13), institute The front surface for stating transmission case (12) is equipped with the belt pulley (11), and the belt pulley (11) and the transmission case (12) rotation connect It connecing, the first motor (14) and external power supply are electrically connected,
The slide assemblies (20) are mainly made of first slide (21) and the first cylinder (22), and the first slide (21) is located at It the upper surface of the workbench (13) and is fixedly connected with the workbench (13), the right side wall of the first slide (21) is equipped with First cylinder (22), first cylinder (22) are fixedly connected with the first slide (21), the first slide (21) Inner sidewall be equipped with slide bar, the slide bar is fixedly connected with the first slide (21), first cylinder (22) and external electrical Source is electrically connected,
The limit assembly (30) is mainly by the second cylinder (31), the seat of honour (32), lower seat (33), sliding block (34), screw rod (35), branch Fagging (36) and second slide (37) composition, the lateral wall of the slide bar are equipped with fixing seat, and the fixing seat and the slide bar are sliding Dynamic connection, the fixing seat upper surface left side are equipped with the lower seat (33), and the lower seat (33) is fixedly connected with the fixing seat, The top of the lower seat (33) is equipped with second cylinder (31), second cylinder (31) and the fixed company of the lower seat (33) It connects, the output end of second cylinder (31) is fixedly connected the seat of honour (32), and the support plate (36) is located at the fixing seat Upper surface on the right side of, and be bolted with the fixing seat, it is sliding that the upper surface of the support plate (36) is equipped with described second Seat (37), the second slide (37) are fixedly connected with the support plate (36), and the upper surface of the support plate (36) is close to institute The right side for stating second slide (37) is equipped with the second motor, and second motor is fixedly connected with the support plate (36), and described the The output end of two motors is rotatablely connected the screw rod (35), and the lateral wall of the screw rod (35) is equipped with the sliding block (34), described Sliding block (34) and the screw rod (35) are rotatablely connected, and second motor and second cylinder (31) electrically connect with external power supply It connects,
The molding assembly (40) mainly by head (41), raise case (42), terminal pad (43), shaft (44), pressure axis (45), Mould tube (46), electric pushrod (47) and mould casing (48) composition, the upper surface of the workbench (13) is close to the transmission The right end of case (12) is equipped with the head (41), and the head (41) is fixedly connected with the workbench (13), the head (41) right side wall raises case (42) described in being equipped with, and the case (42) that raises is bolted with the head (41), described Terminal pad (43) raises the right side wall of case (42) described in being located at, and is slidably connected with the case (42) that raises, the terminal pad (43) left side wall is equipped with electric pushrod (47), and the electric pushrod (47) is fixedly connected with the case (42) that raises, described to push away The inner sidewall for rising case (42) is equipped with the mould casing (48), and is fixedly connected with the mould casing (48), the mold set The inner sidewall for managing (48) is equipped with the mould tube (46), and the mould tube (46) is fixedly connected with the mould casing (48), institute The inside left side wall that shaft (44) are located at the head (41) is stated, and is rotatablely connected with the head (41), the shaft (44) Lateral wall on the right side of be equipped with the pressure axis (45), the pressure axis (45) is fixedly connected with the shaft (44), described electronic Push rod (47) and external power supply are electrically connected.
2. a kind of cone side's machine for being conveniently replaceable cone side's mold according to claim 1, it is characterised in that: the driving wheel with The belt pulley (11) is sequentially connected by belt.
3. a kind of cone side's machine for being conveniently replaceable cone side's mold according to claim 1, it is characterised in that: the belt pulley (11) it is fixedly connected with the shaft (44) by transfer roller.
4. a kind of cone side's machine for being conveniently replaceable cone side's mold according to claim 1, it is characterised in that: the pressure axis It (45) is hollow structure, the pressure axis (45) is run through in the left end of the mould tube (46).
5. a kind of cone side's machine for being conveniently replaceable cone side's mold according to claim 1, it is characterised in that: first cylinder (22) output end is slidably connected the fixing seat.
6. a kind of cone side's machine for being conveniently replaceable cone side's mold according to claim 1, it is characterised in that: the sliding block (34) Upper surface be equipped with limit base, the limit base is bolted with the sliding block (34).
CN201821324320.2U 2018-08-16 2018-08-16 A kind of cone side's machine being conveniently replaceable cone side's mold Active CN208696064U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821324320.2U CN208696064U (en) 2018-08-16 2018-08-16 A kind of cone side's machine being conveniently replaceable cone side's mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821324320.2U CN208696064U (en) 2018-08-16 2018-08-16 A kind of cone side's machine being conveniently replaceable cone side's mold

Publications (1)

Publication Number Publication Date
CN208696064U true CN208696064U (en) 2019-04-05

Family

ID=65943472

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821324320.2U Active CN208696064U (en) 2018-08-16 2018-08-16 A kind of cone side's machine being conveniently replaceable cone side's mold

Country Status (1)

Country Link
CN (1) CN208696064U (en)

Similar Documents

Publication Publication Date Title
CN205270587U (en) Oscillating drum moulded die
CN212737031U (en) Polytetrafluoroethylene corrugated pipe corrugation processing equipment
CN210359054U (en) Effectual bearing forging equipment of bearing hole forging and pressing
CN208696064U (en) A kind of cone side's machine being conveniently replaceable cone side's mold
CN202741535U (en) Back plate edge turning-up and rolling machine
CN213613719U (en) Hardware mould die frame
CN210968159U (en) Surface treatment device for manufacturing blade tip mold
CN211990551U (en) Make things convenient for stamping die of ejection of compact
CN208929797U (en) A kind of lathe in machining mold guide device
CN206253595U (en) A kind of gear part of ring gear shaped device
CN216027383U (en) Extrusion forming device for production of automobile oil pump
CN220427808U (en) Heat-resistant copper anode plate die
CN208825315U (en) A kind of centrifugal blower air guide hole flange molding equipment
CN213135001U (en) Die casting die shedder
CN220880119U (en) Metal working mould convenient to clearance waste material
CN219924508U (en) Die casting die secondary ejection structure
CN212042984U (en) Mould processing equipment
CN205551310U (en) Axletree spindle nose extrusion equipment
CN216501821U (en) Numerical control piercing press convenient to adjust for precision machinery engineering
CN220700659U (en) Micro-textured mobile phone shell in-mold transfer mold
CN209109920U (en) A kind of pipe end automatic moulding machine
CN220161301U (en) Powder metallurgy forging processing table
CN205166632U (en) Automatic burnishing machine of glass mold appearance
CN218836008U (en) Rotational molding box casting mould
CN204843417U (en) Modular jacketing machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant