CN102320210A - The cylinder engraving machine - Google Patents

The cylinder engraving machine Download PDF

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Publication number
CN102320210A
CN102320210A CN201110253072A CN201110253072A CN102320210A CN 102320210 A CN102320210 A CN 102320210A CN 201110253072 A CN201110253072 A CN 201110253072A CN 201110253072 A CN201110253072 A CN 201110253072A CN 102320210 A CN102320210 A CN 102320210A
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China
Prior art keywords
tailstock
chuck
engraving
column
drive unit
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Granted
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CN201110253072A
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Chinese (zh)
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CN102320210B (en
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汪洪涛
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Anqing City grand Tao industry fine peck CNC limited liability company
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汪洪涛
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Priority to CN 201110253072 priority Critical patent/CN102320210B/en
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Abstract

The invention discloses a kind of cylinder engraving machine, solved the engraving member location inaccuracy of existing engraving machine, the not high technical problem of engraving precision.Be provided with X to drive unit between its a plurality of engraving members and gantry, be provided with bilateral synchronous Y to drive unit between left column, right column and the bed body, engraving member self realizes that Z is to motion; Workpiece is driven by the U axial brake device and carries out rotation, control system control engraving member at X to, Y to, Z to positioning, operation is carved in carving motor self rotation.Because X is to having adopted the tooth bar kind of drive, the location is accurate, and Y has further improved location accuracy to having adopted bilateral synchronous driving mode.A plurality of scroll chucks rotate synchronously, and workpiece is fixed on the scroll chuck, its circumference property accurate positioning; The workpiece two ends are not axially producing offset deviation, in the process respectively by chuck plunger tip and top fixing; The workpiece fixation can be born bigger load.

Description

The cylinder engraving machine
Technical field
The invention belongs to the mechanical engraving machine, be specifically related to a kind of cylinder engraving machine.
Background technology
The mechanical engraving machine is a kind of general machinery equipment that is widely used in carpentry, advertising, technology industry, mould industry, building industry, printing packaging industry, adnornment industry, can carve multiple unlike materials such as woodwork plate, density board, acrylic organic plates, PVC plate, lotus plate, double-colored plate, marble, PLASTIC LAMINATED, rubber slab, glass.Different according to the engraving workpiece, the mechanical engraving machine can be divided into cam plane engraving machine and cylinder engraving machine.The cam plane engraving machine can carry out surface relief on sheet material; The cylinder engraving machine then can be carved on cylindrical work; Its processed finished products can be applicable to column or other parts of top-grade furniture, pseudo-classic furniture; The cylinder engraving machine also can be processed as multi-form product with other material, uses very extensively.
Chinese invention patent CN 201816385 U disclose a kind of engraving member, and it comprises support, is arranged on the backboard of support one side, also comprises clip; Clip is provided with carving motor, and carving motor one end is provided with icking tool, and internal stent is provided with guide rail, screw mandrel; Screw mandrel one end is fixed on the support upper end through servomotor; The other end is fixed on the support lower end by the bearing block activity, and internal stent also is provided with the clip seat, and clip seat two ends and guide rail flexibly connect; Middle-end and screw mandrel are through being threaded, and clip is through being bolted on the clip seat.Under system's control, servomotor drives carving motor through screw mandrel and moves up and down, and operation is carried out in the carving motor rotation.The independence that this invention has realized carving motor up and down and operation, for the bull independently working provides the foundation.
Cylinder engraving machine on the market generally adopts the mode of operation that gantry is fixed, table top drive workpiece moves, the location inaccuracy, and the engraving precision is not high.
Summary of the invention
The object of the present invention is to provide a kind of engraving member accurate positioning, the high cylinder engraving machine of engraving precision.
For achieving the above object; Technical scheme of the present invention comprises a body; Left column, right column are movably connected in a body both sides through Y to track respectively, and left column, right column upper fixed are provided with gantry, are respectively arranged with Y to drive unit between left column, right column and the bed body; Be connected with a plurality of engraving members through upper and lower X to track on gantry, be fixedly connected through connecting rod between a plurality of engraving members, be provided with X to drive unit between a plurality of engraving members and gantry; Bed body end also is provided with the U axial brake device; Bed body inboard is movably set with the tailstock planker through left and right tailstock track, and the tailstock planker is provided with a plurality of tailstock thimbles corresponding with scroll chuck, also is provided with tailstock planker self-locking device on the left and right tailstock track;
Described U axial brake device is provided with the U spindle motor, also is provided with a plurality of scroll chucks; Described scroll chuck comprises chuck seat, and chuck axis is movably arranged on the chuck seat through two chuck axis bearings; Chuck axis one end is set with at least 2 chuck synchronizing wheels, is provided with the chuck stage clip in the built-in hole of the other end, and the chuck plunger tip is movably arranged on the chuck card through the chuck stage clip, and the axle center of chuck card upper edge scroll chuck is evenly equipped with a plurality of claws; Be connected in twos through a plurality of driving-chains between the U spindle motor gear that fixedly installs on the main shaft of U spindle motor and the chuck synchronizing wheel.
Described X comprises the X that is arranged on top, gantry to tooth bar to drive unit, is provided with X to motor at least one in said a plurality of engraving members, and X flexibly connects to tooth bar through transmission device and X to motor.
Described Y comprises the left and right Y that is arranged on a body both sides to tooth bar to drive unit, is provided with corresponding left and right Y in left column, the right column to drive motors, and left and right Y flexibly connects to tooth bar through transmission device and left and right Y to drive motors.
Described tailstock thimble comprises tailstock body; The tailstock body inner chamber is provided with tail spindle; Tail spindle one end is fixedly connected with the tailstock handwheel through the tailstock screw rod, and the other end is connected with top through deep groove ball bearing and thrust bearing, and tail spindle one end is provided with the tail spindle chute; Tailstock body is provided with the tailstock tie down screw that flexibly connects with the tail spindle chute, and tailstock tie down screw one end is provided with the tailstock set lever.
After having adopted technique scheme, be provided with X to drive unit between a plurality of engraving members and gantry, engraving member can be at X to motion; Be provided with Y to drive unit between left column, right column and the bed body, gantry can be at Y to motion; Engraving member self realizes that Z is to motion; Workpiece is driven by the U axial brake device and carries out rotation, control system control engraving member at X to, Y to, Z to positioning, operation is carved in carving motor self rotation.Because X is to having adopted the tooth bar kind of drive, the location is accurate, and Y has further improved location accuracy to having adopted bilateral synchronous driving mode.A plurality of scroll chucks rotate synchronously, and workpiece is fixed on the scroll chuck, its circumference property accurate positioning, and the workpiece two ends are not axially producing displacement respectively by chuck plunger tip and top fixing, and in the process, the workpiece fixation can be born bigger load.Thereby the present invention possesses higher engraving precision.
Description of drawings
Fig. 1 is the sketch map of cylinder engraving machine of the present invention;
Fig. 2 is the front view of cylinder engraving machine of the present invention;
Fig. 3 is the vertical view of cylinder engraving machine of the present invention;
Fig. 4 is the left view of cylinder engraving machine of the present invention;
Fig. 5 is the cutaway view of Fig. 2 along the A-A line;
Fig. 6 is the cutaway view of Fig. 3 along the B-B line;
Fig. 7 is the cutaway view of Fig. 4 along the C-C line;
Fig. 8 is the D part partial enlarged drawing of Fig. 7;
Fig. 9 is the E part partial enlarged drawing of Fig. 7;
Figure 10 is the sketch map of the scroll chuck of cylinder engraving machine of the present invention;
Figure 11 is the sketch map of the tailstock thimble of cylinder engraving machine of the present invention;
The sketch map of the U axial brake device of Figure 12 cylinder engraving machine of the present invention;
The vertical view of the U axial brake device of Figure 13 cylinder engraving machine of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Visible like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 12, Figure 13; Present embodiment comprises a body 1; Left column 31, right column 31 ' are movably connected in a body 1 both sides through Y to track respectively; Left column 31, right column 31 ' upper fixed are provided with gantry 3, are respectively arranged with Y to drive unit between left column 31, right column 31 ' and the bed body 1; Be connected with a plurality of engraving members 4 through upper and lower X to track 32,32 ' on gantry 3, be fixedly connected through connecting rod 34 between a plurality of engraving members 4, gantry 3 is provided with X to drive unit; Bed body 1 end also is provided with U axial brake device 6; Bed body 1 is inboard to be movably set with tailstock planker 7 through left and right tailstock track 71,71 ', and tailstock planker 7 is provided with the corresponding tailstock thimble 72 of a plurality of and scroll chuck 61, also is provided with tailstock planker self-locking device on the left and right tailstock track 71,71 '.
Visible like Figure 10, Figure 12, Figure 13, in the present embodiment, described U axial brake device 6 is provided with U spindle motor 60, also is provided with a plurality of scroll chucks 61; Described scroll chuck 61 comprises chuck seat 610, and chuck axis 613 is movably arranged on the chuck seat 610 through two chuck axis bearings 612; Chuck axis 613 1 ends are set with at least 2 chuck synchronizing wheels 611; Be provided with chuck stage clip 614 in the built-in hole of the other end; Chuck plunger tip 615 is movably arranged on the chuck card 616 through chuck stage clip 614, and the axle center of chuck card 616 upper edge scroll chucks 61 is evenly equipped with a plurality of claws 617; Be connected in twos through a plurality of driving-chains 62 between the U spindle motor gear 601 that fixedly installs on the main shaft of U spindle motor 60 and the chuck synchronizing wheel 611.
After adopting said structure, 60 rotations of U spindle motor drive a plurality of scroll chucks 61 through driving-chain 62 and rotate synchronously, and then driving workpiece 8 rotates synchronously.Owing to have only a U spindle motor 60 to carry out active rotation, all scroll chucks 61 are driven rotation, therefore can guarantee that all workpiece are synchronous fully; Use this structure, omitted the motor on a plurality of scroll chucks 61, reduced the complexity of control system, also help reducing simultaneously product cost and use cost.Be provided with chuck stage clip 614 in the scroll chuck 61 of present embodiment; Make chuck plunger tip 615 can withstand workpiece 8; The two ends of the top 727 difference roof pressure workpiece 8 that are provided with on chuck plunger tip 615 and the tailstock thimble 72; It is not axially being departed from, further improved the steadiness of workpiece, thereby improved machining accuracy.
Visible like Fig. 4, Fig. 7, Fig. 8, Fig. 9, the bed side of being provided with, body 1 left side rail 13 is fixed with the square rail of square rail 13 couplings secondaryly 35 on the left column 31, and left column 31 is movably connected on the body 1 through square rail 13; The bed side of being provided with, body 1 right side rail 13 ' is fixed with the square rail pair 35 ' of mating with square rail 13 ' on the right column 31 ', right column 31 ' is movably connected on the body 1 through square rail 13 '.
Visible like Fig. 3, Fig. 5; After adopting said structure, during operation, workpiece 8 is fixed between scroll chuck 61 and the tailstock thimble 72; By control system drive left column 31, right column 31 ' along Y to moving; To moving, engraving member 4 is provided with Z to drive motors 450, carving motor 451 to a plurality of engraving members 4 along X, carries out Z to motion by control system drive carving motor 451; Drive workpiece along the rotation of U axle by a plurality of scroll chucks 61 of control system drive, carving motor 451 self rotates carves operation.
In the present embodiment, also be provided with tailstock planker self-locking device on the left and right tailstock track 71,71 '.Visible like Fig. 3, Fig. 6, Fig. 7, Fig. 8, Fig. 9; Tailstock planker 7 one sides are provided with tailstock planker Self-locking screw 73, tailstock planker 7 is moved to the precalculated position after, rotation tailstock planker Self-locking screw 73; Can position tailstock planker 7, tailstock planker 7 offsides are provided with identical.In the present embodiment, left and right tailstock track 71,71 ' uses straight line circle rail.
Among the present invention, X can adopt multiple mode to drive unit.For example use the screw mandrel kind of drive, be about to screw mandrel and be fixed on gantry, the feed screw nut is fixed on the engraving member, and a plurality of engraving members are fixed through connecting rod, and the screw mandrel rotation drives a plurality of engraving member synchro-feeds.
Visible like Fig. 2, Fig. 3, Fig. 5; In the present embodiment; Described X comprises the X that is arranged on 3 tops, gantry to tooth bar 33 to drive unit, is provided with X to motor 40, in the present embodiment at least one in said a plurality of engraving members 4; In first engraving member 4 of left side, gantry, be provided with X to motor 40, X flexibly connects to tooth bar 33 through gear and X to motor 40.After adopting this structure,, can improve gantry 3 kinematic dexterities because the tooth bar transmission can be born bigger load.Owing to be fixedly connected through connecting rod 34 between the engraving member 4, therefore control system drive X to motor 40 rotations, can drive a plurality of engraving members 4 along X to same moved further.
Among the present invention, Y adopts bilateral driven in synchronism to drive unit.The concrete bilateral synchronous screw mandrel that can adopt drives or bilateral synchronous tooth bar transmission.Under the control systemic effect, bilateral driven in synchronism can improve motion accuracy.
Visible like Fig. 1, Fig. 4, Fig. 7, Fig. 8, Fig. 9; In the present embodiment; Described Y comprises that to drive unit the left and right Y that is arranged on a body 1 both sides is to tooth bar 11,11 '; Be provided with corresponding left and right Y in left column 31, the right column 31 ' to drive motors 34,34 ', left and right Y to drive motors 34,34 ' through multi-stage gear and left and right Y to tooth bar 11,11 ' flexible connection.Visible like Fig. 8, the first from left level gear 36 that left Y is provided with on the main shaft of drive motors 34 flexibly connects to tooth bar 11 with left Y through the second from left level gear 37, left tertiary gear 38; Visible like Fig. 9, the right one-level gear 36 ' that right Y is provided with on the main shaft of drive motors 34 ' flexibly connects to tooth bar 11 ' with right Y through right secondary gear 37 ', right tertiary gear 38 '.In the present embodiment, adopt the tooth bar kind of drive between two heel posts and the bed body, can bear bigger load.
The present invention can use existing thimble to carry out operation, and further, the present invention optimizes the tailstock thimble.
Visible like Figure 11; Described tailstock thimble 72 comprises tailstock body 720; Tailstock body 720 inner chambers are provided with tail spindle 721; Tail spindle 721 1 ends are fixedly connected with tailstock handwheel 725 through tailstock screw rod 726, and the other end is connected with top 727 through deep groove ball bearing 722 and thrust bearing 723, and tail spindle 721 1 ends are provided with tail spindle chute 728; Tailstock body 720 is provided with the tailstock tie down screw 729 that flexibly connects with tail spindle chute 728, and tailstock tie down screw 729 1 ends are provided with tailstock set lever 724.Visible like Fig. 3, Figure 11, adopt this structure after, during operation; Earlier workpiece 8 one ends are fixed on the scroll chuck 61, again tailstock thimble 72 are moved to initial position, unclamp tailstock tie down screw 729 through tailstock set lever 724 then; Rotation tailstock handwheel 725 makes top 727 to withstand the workpiece other end, because deep groove ball bearing 722 can bear bigger axial moment with thrust bearing 723; Therefore in the operation process; Workpiece 8 can fully be locked, and supports it to stablize rotation by scroll chuck 61 and top 727, has further improved machining accuracy.

Claims (4)

1. cylinder engraving machine; Comprise a body (1); Left column (31), right column (31 ') are movably connected in a body (1) both sides through Y to track respectively; Left column (31), right column (31 ') upper fixed are provided with gantry (3), it is characterized in that: be respectively arranged with Y to drive unit between left column (31), right column (31 ') and the bed body (1); Gantry (3) is gone up and is connected with a plurality of engraving members (4) through upper and lower X to track (32,32 '), is fixedly connected through connecting rod (34) between a plurality of engraving members (4), is provided with X to drive unit between a plurality of engraving members (4) and gantry (3); Bed body (1) end also is provided with U axial brake device (6); Bed body (1) is inboard to be movably set with tailstock planker (7) through left and right tailstock track (71,71 '); Tailstock planker (7) is provided with a plurality of tailstock thimbles (72) corresponding with scroll chuck (61), also is provided with tailstock planker self-locking device on the left and right tailstock track (71,71 ');
Described U axial brake device (6) is provided with U spindle motor (60), also is provided with a plurality of scroll chucks (61); Described scroll chuck (61) comprises chuck seat (610), and chuck axis (613) is movably arranged on the chuck seat (610) through two chuck axis bearings (612); Chuck axis (613) one ends are set with at least 2 chuck synchronizing wheels (611); Be provided with chuck stage clip (614) in the built-in hole of the other end; Chuck plunger tip (615) is movably arranged on the chuck card (616) through chuck stage clip (614), and the axle center of chuck card (616) upper edge scroll chuck (61) is evenly equipped with a plurality of claws (617); Be connected in twos through a plurality of driving-chains (62) between the U spindle motor gear (601) that fixedly installs on the main shaft of U spindle motor (60) and the chuck synchronizing wheel (611).
2. cylinder engraving machine as claimed in claim 1; It is characterized in that: described X comprises that to drive unit the X that is arranged on top, gantry (3) is to tooth bar (33); Be provided with X to motor (40) at least one in said a plurality of engraving member (4), X flexibly connects to tooth bar (33) through transmission device and X to motor (40).
3. cylinder engraving machine as claimed in claim 1; It is characterized in that: described Y comprises that to drive unit the left and right Y that is arranged on a body (1) both sides is to tooth bar (11,11 '); Be provided with corresponding left and right Y in left column (31), the right column (31 ') to drive motors (34,34 '), left and right Y flexibly connects to tooth bar (11,11 ') through transmission device and left and right Y to drive motors (34,34 ').
4. cylinder engraving machine as claimed in claim 1; It is characterized in that: described tailstock thimble (72) comprises tailstock body (720); Tailstock body (720) inner chamber is provided with tail spindle (721); Tail spindle (721) one ends are fixedly connected with tailstock handwheel (725) through tailstock screw rod (726); The other end is connected with top (727) through deep groove ball bearing (722) and thrust bearing (723); Tail spindle (721) one ends are provided with tail spindle chute (728), and tailstock body (720) is provided with the tailstock tie down screw (729) that flexibly connects with tail spindle chute (728), and tailstock tie down screw (729) one ends are provided with tailstock set lever (724).
CN 201110253072 2011-08-31 2011-08-31 Cylindrical engraving machine Active CN102320210B (en)

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CN102320210B CN102320210B (en) 2013-05-15

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102874028A (en) * 2012-10-17 2013-01-16 颜小斌 Three-dimensional carving machine for wood
CN102922929A (en) * 2012-06-07 2013-02-13 邵文远 Workpiece slewing mechanism of cylindrical engraving machine
CN103223515A (en) * 2013-04-26 2013-07-31 济南锐捷机械设备有限公司 Multi-head precise three-dimensional numerical control planer-type milling machine
CN103522815A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 Independent-tool-setting type numerical control edge carving machine
CN103522817A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 U-shaft clamping device of numerical control cylinder engraving machine
CN103522819A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 Independent-tool-setting type numerical control plane carving machine
CN103522813A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 Independent-tool-setting type 3D multi-functional numerical control carving machine
CN103522814A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 Integrated vertical 3D multifunctional numerical control carving machine
CN103538405A (en) * 2013-10-25 2014-01-29 安庆市宏大涛业精啄数控科技有限公司 Integrated tool-setting type numerical-control engraving machine portal frame assembly
CN104417227A (en) * 2013-08-27 2015-03-18 邵文远 Electronic tool setting mechanism of multi-head cylinder engraving machine
CN110202991A (en) * 2019-05-15 2019-09-06 云浮中科石材创新科技有限公司 A kind of engraving machine
CN110202990A (en) * 2019-05-15 2019-09-06 云浮中科石材创新科技有限公司 A kind of single armed engraving machine
CN114633576A (en) * 2022-04-07 2022-06-17 智翔塑胶制品沭阳有限公司 Engraving device and method for processing building decorative plate

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CN101983870A (en) * 2010-08-19 2011-03-09 汪洪涛 Cylindrical engraving machine
CN201800418U (en) * 2010-10-01 2011-04-20 浙江数研机械科技有限公司 2D and 3D dual-purpose engraving machine
CN102091797A (en) * 2011-01-11 2011-06-15 无锡市艾尔福叶片有限公司 Held tip mechanism
CN202192931U (en) * 2011-08-31 2012-04-18 汪洪涛 Column engraving machine

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DE19826518A1 (en) * 1998-06-15 1999-12-23 Niles Simmons Industrieanlagen Computer numerically controlled machinetool
US7607871B1 (en) * 2007-04-05 2009-10-27 Lance Nelson Spring loaded tool with floating depth control for countersinking holes or engraving
CN101733655A (en) * 2009-11-06 2010-06-16 赵显华 Technique and device for processing shaft type and pipe type workpieces in tightened state
CN101983870A (en) * 2010-08-19 2011-03-09 汪洪涛 Cylindrical engraving machine
CN201800418U (en) * 2010-10-01 2011-04-20 浙江数研机械科技有限公司 2D and 3D dual-purpose engraving machine
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CN202192931U (en) * 2011-08-31 2012-04-18 汪洪涛 Column engraving machine

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102922929A (en) * 2012-06-07 2013-02-13 邵文远 Workpiece slewing mechanism of cylindrical engraving machine
CN102922929B (en) * 2012-06-07 2015-08-12 邵文远 A kind of cylinder engraving machine workpiece slew gear
CN102874028A (en) * 2012-10-17 2013-01-16 颜小斌 Three-dimensional carving machine for wood
CN103223515A (en) * 2013-04-26 2013-07-31 济南锐捷机械设备有限公司 Multi-head precise three-dimensional numerical control planer-type milling machine
CN104417227A (en) * 2013-08-27 2015-03-18 邵文远 Electronic tool setting mechanism of multi-head cylinder engraving machine
CN103522815A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 Independent-tool-setting type numerical control edge carving machine
CN103522813A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 Independent-tool-setting type 3D multi-functional numerical control carving machine
CN103522814A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 Integrated vertical 3D multifunctional numerical control carving machine
CN103538405A (en) * 2013-10-25 2014-01-29 安庆市宏大涛业精啄数控科技有限公司 Integrated tool-setting type numerical-control engraving machine portal frame assembly
CN103522819A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 Independent-tool-setting type numerical control plane carving machine
CN103522817A (en) * 2013-10-25 2014-01-22 安庆市宏大涛业精啄数控科技有限公司 U-shaft clamping device of numerical control cylinder engraving machine
CN110202991A (en) * 2019-05-15 2019-09-06 云浮中科石材创新科技有限公司 A kind of engraving machine
CN110202990A (en) * 2019-05-15 2019-09-06 云浮中科石材创新科技有限公司 A kind of single armed engraving machine
CN114633576A (en) * 2022-04-07 2022-06-17 智翔塑胶制品沭阳有限公司 Engraving device and method for processing building decorative plate
CN114633576B (en) * 2022-04-07 2023-09-15 智翔塑胶制品沭阳有限公司 Engraving device and method for processing building decorative plate

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Application publication date: 20120118

Assignee: Anqing grand Tao Yejingzhuo numerical control Science and Technology Ltd.

Assignor: Wang Hongtao

Contract record no.: 2015340000048

Denomination of invention: Cylindrical engraving machine

Granted publication date: 20130515

License type: Exclusive License

Record date: 20150402

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Effective date of registration: 20170803

Address after: 246000 five Li village, ten Li village, Daguan District, Anqing City, Anhui

Patentee after: Anqing City grand Tao industry fine peck CNC limited liability company

Address before: 246003, Anhui, Anqing Province grand view area ten Li Township, five Li village, 8 North Road, Anqing grand Tao industry fine peck CNC Technology Co., Ltd.

Patentee before: Wang Hongtao

TR01 Transfer of patent right
CI03 Correction of invention patent

Correction item: Patentee|Address

Correct: Anqing grand Tao Yejingzhuo numerical control Science and Technology Ltd.|246000 five Li village, ten Li village, Daguan District, Anqing City, Anhui

False: Anqing City grand Tao industry fine peck CNC limited liability company|246000 five Li village, ten Li village, Daguan District, Anqing City, Anhui

Number: 34-01

Volume: 33

CI03 Correction of invention patent