CN102489729B - Heavy numerical control horizontal type lathe tailstock - Google Patents

Heavy numerical control horizontal type lathe tailstock Download PDF

Info

Publication number
CN102489729B
CN102489729B CN 201110395233 CN201110395233A CN102489729B CN 102489729 B CN102489729 B CN 102489729B CN 201110395233 CN201110395233 CN 201110395233 CN 201110395233 A CN201110395233 A CN 201110395233A CN 102489729 B CN102489729 B CN 102489729B
Authority
CN
China
Prior art keywords
gear
sleeve
transmission shaft
tailstock body
tailstock
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
CN 201110395233
Other languages
Chinese (zh)
Other versions
CN102489729A (en
Inventor
李琨
席浩然
王斌
车忠伟
高洪浩
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.)
Tongling Dongfang Mingning Machine Co., Ltd.
Original Assignee
Weihai Huadong Automation 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 Weihai Huadong Automation Co Ltd filed Critical Weihai Huadong Automation Co Ltd
Priority to CN 201110395233 priority Critical patent/CN102489729B/en
Publication of CN102489729A publication Critical patent/CN102489729A/en
Application granted granted Critical
Publication of CN102489729B publication Critical patent/CN102489729B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Turning (AREA)

Abstract

The invention belongs to the technical field of numerical control lathes, and particularly relates to a heavy numerical control horizontal type lathe tailstock, which comprises a base, a tailstock body, a locating rack, a worm gear, a worm, a sleeve and a brake-tight bar. The heavy numerical control horizontal type lathe tailstock is characterized by being provided with a tip fine adjustment device which comprises a transmission shaft, a locating pin, a pinion, a locating rotation sleeve, locating rings and a middle wheel. The transmission shaft is disposed below the worm and penetrates through the rotation sleeve to be connected with the tailstock body through an oilless bearing. A gear and an annular locating groove are arranged on the transmission shaft, the locating rings are positioned at both ends of the transmission shaft relative to the outer side of the tailstock body, and the locating pin penetrates through a locating hole disposed on the tailstock body to abut against the annular locating groove. One side of the transmission shaft of the locating pin is provided with a transfer shaft, one end of the transfer shaft is provided with the middle wheel, the other end of the transfer shaft is provided with an intermediate gear, and a transmission gear is meshed with a gear disposed on the worm. The heavy numerical control horizontal type lathe tailstock has the advantages of being novel in structure, perfect and accurate in locating, firm in locking, high in part machining precision and capable of being adjusted within a small distance during top tensioning motion and the like.

Description

Heavy numerical control horizontal type lathe tailstock
Technical field
The invention belongs to the numerically controlled lathe technical field, specifically a kind of heavy numerical control horizontal type lathe tailstock.
Background technology
At present, existing heavy numerical control horizontal type lathe tailstock is slidingly connected through guide rail and the lathe bed that lathe bed is provided with, and clamp through the spring clamp cylinder at two ends location, it comprises base, tailstock body, the base mobile motor, transition wheel, worm screw and the tight rod of stopping, tailstock body is fixedly connected with base through locating piece, be provided with top assembly and sleeve Power Component in the tailstock body, top assembly comprises mandrel, top, sleeve and disk spring, the sleeve Power Component comprises screw mandrel, small end cover, nut, axle sleeve, worm gear, worm screw, travelling gear, pinion and sleeve drive motors, sleeve outer wall and tailstock body are slidingly connected, sleeve inner is provided with baffle ring, inner through being fixed on the small end cover location on the tailstock body, sleeve is through being located at stop tight rod and tailstock body on the tailstock body tightening position of stopping, the baffle ring front end is provided with mandrel, the rear end is provided with disk spring, the disk spring rear end is provided with axle sleeve, axle sleeve outer wall and sleeve roller are dynamically connected, inwall is connected with wire rod thread through screw, screw mandrel passes the axis hole on the tailstock body, the rear end is fixedly connected with worm gear, worm gear is meshed with worm screw, worm screw is provided with travelling gear, travelling gear is meshed with pinion, pinion is connected with sleeve power motor output shaft on being fixed on tailstock body, drive by the sleeve power motor, pinion drives the gear wheel rotation, the rotation of drive screw mandrel, make screw on the screw mandrel propeller shaft sleeve drive the axle sleeve reach or retreat, and then band moving sleeve reach or retreat, reach the effect of top top tight workpiece or disengaging workpiece, be provided with tooth bar between the guide rail of lathe bed, the base lower end is provided with worm screw, worm screw is meshed with tooth bar, worm screw drives through transition wheel and the base mobile motor that is fixed on the base, by driving the base mobile motor, gear driven transition wheel rotation on the base mobile motor output shaft, transition wheel drives the worm screw rotation, worm screw is through rack drives tail stock reach or retreat, its deficiency is in the location, locking aspect form is single, the location imperfection, it is not firm to lock, and when processing parts, one end is by main spindle box gripper chuck residence processing parts, the other end is withstood by tailstock centre, owing to just maintain static after the large adjusting position of whole tailstock part is determined, and toply before withstanding processing parts, need carry out on request axial minor adjustment, and realized by the axial adjustment that top sleeve is installed, present known CNC heavy-duty horizontal lathe tailstock, can't in slight distance, select electronic or manual adjustment according to actual conditions during top motion, cause locating inaccuracy, it is not firm to lock, part processing precision is poor.
Summary of the invention
The objective of the invention is to solve above-mentioned the deficiencies in the prior art, provide that a kind of novel structure, location are perfect, firm, the registration of locking, part processing precision heavy numerical control horizontal type lathe tailstock high, that can in slight distance, adjust when holding out against motion.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of heavy numerical control horizontal type lathe tailstock, comprise base, tailstock body, the location tooth bar, worm gear, worm screw, sleeve and the tight rod of stopping, tailstock body is fixedly connected with base through locating piece, be provided with top assembly and sleeve Power Component in the tailstock body, top assembly comprises mandrel, top, sleeve and disk spring, the sleeve Power Component comprises screw mandrel, small end cover, nut, worm gear, worm screw, travelling gear, gear and sleeve drive motors, it is characterized in that being provided with top micromatic setting, it comprises power transmission shaft, alignment pin, pinion, the location pivoted housing, locating ring and breast wheel, power transmission shaft is located at the worm screw below, power transmission shaft passes pivoted housing and is connected with tailstock body through oilless bearing, power transmission shaft is provided with gear and annular positioning groove, the relative tailstock body outside, power transmission shaft two ends is provided with locating ring, be beneficial to the location that moves axially of power transmission shaft, it is inconsistent that alignment pin passes locating hole and annular positioning groove that tailstock body is provided with, be beneficial to the location of gear and breast wheel engagement, power transmission shaft one side is provided with transmitter shaft, transmitter shaft one end is provided with breast wheel, the other end is provided with idler gear, idler gear is meshed with the travelling gear that worm screw is provided with, and reaches the effect of motor-driven adjustment and manual fine-tuning.
The present invention can be provided with radial positioning device in the base lower end, radial positioning device comprises drive link, motor, driven wheel, the first gear, the first screw mandrel and location tooth bar, drive link is through bearing, bearing block is fixedly connected with lathe bed, and perpendicular to top direct of travel, drive link one end is connected with motor, the other end is connected with driven wheel, drive link one side is provided with the first screw mandrel, the first screw mandrel is fixed on the lathe bed, the first screw mandrel one end is connected with the first gear, the other end is connected through the screwed hole of the end of thread with the location tooth bar, the first gear is meshed with driven wheel, the location tooth bar is corresponding with the tooth bar that lathe bed is provided with, so that the rotation of driven by motor drive link, the driven wheel driven gear rotation of the drive link other end, the rotation of the first gear driven the first screw mandrel, and then first screw mandrel drive tooth bar phase interlock on location tooth bar and the lathe bed, reach the double action of axial and radial location.
The present invention can be arranged with back-moving spring at power transmission shaft, and back-moving spring one end and the fixedly back-up ring that is fixed on the power transmission shaft are inconsistent, and the other end is inconsistent with the axle bumper that is fixed on the tailstock body, be beneficial to the top end of manual fine-tuning after back-moving spring power transmission shaft is resetted.
The present invention is owing to adopt said structure, the advantage such as have novel structure, the location is perfect, locking is firm, registration, part processing precision are high, can adjust when holding out against motion in slight distance.
Description of drawings
Accompanying drawing 1 is the tailstock mereological graph;
Accompanying drawing 2 is base cutaway views;
Accompanying drawing 3 is base bottom partial sectional views;
Accompanying drawing 4 is top views of accompanying drawing 3;
Accompanying drawing 5 is partial sectional views of base and lathe bed coupling part;
Accompanying drawing 6 is tailstock body outline drawings;
Accompanying drawing 7 is structural representations of top micromatic setting.
Accompanying drawing 8 is left views of accompanying drawing 7;
Accompanying drawing 9 is tailstock body cutaway views.
Reference numeral: 1-tailstock body, 2-base, 3-gear, 4-travelling gear, the 5-worm screw, 6-idler gear, 7-breast wheel, 8-alignment pin, the 9-power transmission shaft, 10-pinion, 11-sleeve drive motors, the 12-worm gear, 13-nut, 14-small end cover, 15-disk spring, 16-sleeve, 17-are stopped tight excellent, the 18-screw mandrel, the top assembly of 19-(comprises from nut 13, small end cover 14, disk spring 15, sleeve 16 is to top whole transmission component), the large end cap of 20-, 21-locating piece, 22-stud, the 23-motor, 24-drive link, 25-the first gear, 26-the first screw mandrel, 27-locates tooth bar, 28-spring clamp cylinder, the 29-tooth bar, 30-lathe bed, 31-driven wheel, the 32-transmitter shaft, 33-locates pivoted housing, 34-locating ring, the 35-back-moving spring, 36-is back-up ring fixedly, the 37-axle bumper.
The specific embodiment:
The present invention will be further described below in conjunction with accompanying drawing:
As shown in drawings, a kind of heavy numerical control horizontal type lathe tailstock, comprise base, tailstock body, the location tooth bar, worm gear, worm screw, sleeve and the tight rod of stopping, tailstock body 1 is fixedly connected with base 2 through locating piece 21, be provided with top assembly 19 and sleeve Power Component in the tailstock body 1, top assembly 19 comprises mandrel, top, sleeve 16 and disk spring 15, the sleeve Power Component comprises screw mandrel 18, small end cover 14, nut 13, worm gear 12, worm screw 5, travelling gear 4, gear 3 and sleeve drive motors 11, sleeve 16 outer walls and tailstock body 1 are slidingly connected, sleeve 16 inside are provided with baffle ring, inner through being fixed on small end cover 14 location on the tailstock body 1, sleeve 16 is through being located at stop tight rod 17 and tailstock body 1 on the tailstock body 1 tightening position of stopping, the baffle ring front end is provided with mandrel, the rear end is provided with disk spring 15, disk spring 15 rear ends are provided with nut 13, nut 13 outer walls roll with sleeve 16 and are connected, inwall is threaded with screw mandrel 18, screw mandrel 18 passes the axis hole on the tailstock body 1, the rear end is fixedly connected with worm gear 12, worm gear 12 is meshed with worm screw 5, worm screw 5 is provided with travelling gear 4, travelling gear 4 is meshed with gear 3, gear 3 is connected with sleeve drive motors 11 output shafts on being fixed on tailstock body 1, it is characterized in that being provided with top micromatic setting, it comprises power transmission shaft 9, alignment pin 8, pinion 10, location pivoted housing 33, locating ring 34 and breast wheel 7, power transmission shaft 9 is located at worm screw 5 belows, power transmission shaft 9 passes location pivoted housing 33 and is connected with tailstock body 1 through oilless bearing, power transmission shaft 9 is provided with pinion 10 and annular positioning groove, the relative tailstock body outside, power transmission shaft 9 two ends is provided with locating ring 34, be beneficial to the location that moves axially of power transmission shaft 9, it is inconsistent that alignment pin 8 passes locating hole and annular positioning groove that tailstock body 1 is provided with, be beneficial to the location of pinion 10 and breast wheel 7 engagements, power transmission shaft 9 one sides are provided with transmitter shaft 32, transmitter shaft 32 1 ends are provided with breast wheel 7, the other end is provided with idler gear 6, idler gear 6 is meshed with the travelling gear 4 that worm screw 5 is provided with, reach the effect of motor-driven adjustment and manual fine-tuning, be arranged with back-moving spring 35 on the power transmission shaft 9, back-moving spring 35 1 ends are inconsistent with the fixedly back-up ring 36 that is fixed on the power transmission shaft 9, the other end and the axle bumper 37 that is fixed on the tailstock body 1 are inconsistent, be beneficial to the top end of manual fine-tuning after back-moving spring 35 power transmission shaft 9 is resetted.
The present invention can be provided with radial positioning device in the base lower end, radial positioning device comprises drive link 24, motor 23, driven wheel 31, the first gear 25, the first screw mandrel 26 and location tooth bar 27, drive link 24 is through bearing, bearing block is fixedly connected with lathe bed 30, and perpendicular to top direct of travel, drive link 24 1 ends are connected with motor 23, the other end is connected with driven wheel 31, drive link one side is provided with the first screw mandrel 26, the first screw mandrel 26 is fixed on the lathe bed 30, the first screw mandrel 26 1 ends are connected with the first gear 26, the other end is connected with location tooth bar 27 through screw thread, the first gear 25 is meshed with driven wheel 31, location tooth bar 27 is corresponding with the tooth bar 29 that lathe bed is provided with, so that motor 23 drives drive link 24 rotations, driven wheel 31 driven gears 25 rotations of the drive link other end, the first gear 25 drives 26 rotations of the first screw mandrel, and then first screw mandrel 26 drive tooth bar 29 phase interlocks on location tooth bars 27 and the lathe bed 30, reach the double action of axial and radial location.
By three locating pieces, 21 location, some studs 22 and nut are connected and fixed between tailstock body among the present invention and the base, and location, the locking of whole tailstock part are finished by the base portion of bottom.Drive tooth bar 29 engagements of installing on one group of bevel gear and the lathe bed 30 by the motor via reducer in the base 2 first, move thereby drive whole mechanism.Near determining apart from another motor 23 in the rear base by drive link 24 transmissions, driven wheel 31 and 25 engagements of the first gear, driving the first screw mandrel 26 rotates, the first screw mandrel 26 is realized the screw thread transmission with the screw thread in the tooth bar 27 of location, drive the tooth bar 29 of installing on location tooth bar 27 and the lathe bed 30 be meshed locking base 2, simultaneously several spring clamp cylinders 28 clamping lathe beds 30 guide rails of both sides, base bottom.Top axial minor adjustment is finished by the mechanism in the tailstock body 1, when needing motor-driven to adjust, motor 11 in the tailstock body 1 drives and is delivered to travelling gear 4 by gear 3, travelling gear 4 is delivered to worm gear 12 by worm screw 5, drive screw mandrel 18 rotations, be delivered to nut 13 by the trapezoidal thread on screw mandrel 18 axles, driving whole top assembly 19 moves, top tight workpiece, sleeve 16 also moves forward thereupon simultaneously, tight excellent 17 locking sleeves 16 of location positioning rear brake guarantee that tailstock keeps the constant pressure with respect to workpiece.
When needing manual fine-tuning, alignment pin 8 is screwed out from annular positioning groove, promote power transmission shaft 9, make pinion 10 and breast wheel 7 engagements, simultaneously that alignment pin 8 and second annular positioning groove is inconsistent.Manual rotation power transmission shaft 9 makes pinion 10 rotations, be passed to breast wheel 7, be passed to worm screw 5, worm gear 12 by idler gear 6 and travelling gear 4 engagements again, drive screw mandrel 18 rotations, be delivered to nut 13 by the trapezoidal thread on screw mandrel 18 axles, drive whole top assembly 19 and move top tight workpiece, sleeve 16 also moves forward thereupon simultaneously, tight excellent 17 locking sleeves 16 of location positioning rear brake.Manual fine-tuning screws out alignment pin 8 after finishing from second annular positioning groove, back-moving spring 35 resets power transmission shaft 9 under the elastic force effect, and again that alignment pin 8 and first annular positioning groove is inconsistent, whole process is finished.
The present invention is owing to adopt said structure, it is tight just to drive the tooth bar engaging lock after the large adjusting position of whole tailstock part is determined, guide rail by spring clamp cylinder and lathe bed both sides maintains static after clamping again, by the axial adjustment that top sleeve is installed realize tail spindle to minor adjustment.This moment is according to actual conditions, can select to adjust top by motor-driven, also can select manually to adjust power transmission shaft, by gear drive realize that axial adjustment top in the slight distance has that novel structure, location are perfect, the advantage such as firm, the registration of locking, part processing precision are high, can adjust in slight distance when holding out against motion.

Claims (3)

1. heavy numerical control horizontal type lathe tailstock, comprise base, tailstock body, the location tooth bar, worm gear, worm screw, sleeve and the tight rod of stopping, tailstock body is fixedly connected with base through locating piece, be provided with top assembly and sleeve Power Component in the tailstock body, top assembly comprises mandrel, top, sleeve and disk spring, the sleeve Power Component comprises screw mandrel, small end cover, nut, worm gear, worm screw, travelling gear, gear and sleeve drive motors, sleeve outer wall and tailstock body are slidingly connected, sleeve inner is provided with baffle ring, inner through being fixed on the small end cover location on the tailstock body, sleeve is through being located at stop tight rod and tailstock body on the tailstock body tightening position of stopping, the baffle ring front end is provided with mandrel, the rear end is provided with disk spring, the disk spring rear end is provided with nut, nut outer wall and sleeve roller are dynamically connected, inwall is connected with wire rod thread, screw mandrel passes the axis hole on the tailstock body, the rear end is fixedly connected with worm gear, worm gear is meshed with worm screw, worm screw is provided with travelling gear, travelling gear is meshed with gear, gear is connected with sleeve drive motors output shaft on being fixed on tailstock body, it is characterized in that being provided with top micromatic setting, it comprises power transmission shaft, alignment pin, pinion, the location pivoted housing, locating ring and breast wheel, power transmission shaft is located at the worm screw below, power transmission shaft passes the location pivoted housing and is connected with tailstock body through oilless bearing, power transmission shaft is provided with pinion and annular positioning groove, the relative tailstock body outside, power transmission shaft two ends is provided with locating ring, it is inconsistent that alignment pin passes locating hole and annular positioning groove that tailstock body is provided with, power transmission shaft one side is provided with transmitter shaft, transmitter shaft one end is provided with breast wheel, and the other end is provided with idler gear, and idler gear is meshed with the travelling gear that worm screw is provided with.
2. a kind of heavy numerical control horizontal type lathe tailstock according to claim 1, it is characterized in that the base lower end is provided with radial positioning device, radial positioning device comprises drive link, motor, driven wheel, the first gear, the first screw mandrel and location tooth bar, drive link is through bearing, bearing block is fixedly connected with lathe bed, and perpendicular to top direct of travel, drive link one end is connected with motor, the other end is connected with driven wheel, drive link one side is provided with the first screw mandrel, the first screw mandrel is fixed on the lathe bed, the first screw mandrel one end is connected with the first gear, the other end is connected through the screwed hole of the end of thread with the location tooth bar, the first gear is meshed with driven wheel, and the location tooth bar is corresponding with the tooth bar that lathe bed is provided with.
3. a kind of heavy numerical control horizontal type lathe tailstock according to claim 1, it is characterized in that being arranged with on the power transmission shaft back-moving spring, back-moving spring one end is inconsistent with the fixedly back-up ring that is fixed on the power transmission shaft, and the other end is inconsistent with the axle bumper that is fixed on the tailstock body.
CN 201110395233 2011-12-02 2011-12-02 Heavy numerical control horizontal type lathe tailstock Active CN102489729B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110395233 CN102489729B (en) 2011-12-02 2011-12-02 Heavy numerical control horizontal type lathe tailstock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110395233 CN102489729B (en) 2011-12-02 2011-12-02 Heavy numerical control horizontal type lathe tailstock

Publications (2)

Publication Number Publication Date
CN102489729A CN102489729A (en) 2012-06-13
CN102489729B true CN102489729B (en) 2013-02-27

Family

ID=46181613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110395233 Active CN102489729B (en) 2011-12-02 2011-12-02 Heavy numerical control horizontal type lathe tailstock

Country Status (1)

Country Link
CN (1) CN102489729B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104942653B (en) * 2015-06-15 2018-04-27 许勇 A kind of automatic indexing gauge
CN105364496A (en) * 2015-12-02 2016-03-02 齐齐哈尔齐一机工业产品有限公司 Numerically controlled horizontal machine tool special for grinding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870786A (en) * 1986-11-01 1989-10-03 Bryant Grinder Corporation Workstock
US4800790A (en) * 1986-11-14 1989-01-31 Cincinnati Milacron Inc. Modal coupling tailstock
JPH0647604A (en) * 1992-07-31 1994-02-22 Toyoda Mach Works Ltd Tailstock having taper adjusting function
JP2007290094A (en) * 2006-04-27 2007-11-08 Mitsubishi Heavy Ind Ltd Tailstock center and tailstock
CN200974126Y (en) * 2006-11-29 2007-11-14 谢兆华 Dead regulation center of lathe
CN201543836U (en) * 2009-10-19 2010-08-11 西安贝吉姆机床股份有限公司 Movable center mechanism of gear grinding machine
CN202317055U (en) * 2011-12-02 2012-07-11 威海华东数控股份有限公司 Heavy-duty numerical control horizontal lathe tailstock

Also Published As

Publication number Publication date
CN102489729A (en) 2012-06-13

Similar Documents

Publication Publication Date Title
CN102198529B (en) Deep hole drilling machine
CN202137405U (en) Deep hole drilling machine
CN109531300B (en) Composite processing method for cylindrical surface quenching and precise grinding and special machine tool
CN101628378A (en) Spherical (spherical surface) mirror surface rolling lathe
CN103433345A (en) Special numerical-control spinning forming machine for hub parts of engineering vehicle
CN109894631B (en) Numerical control double-sided lathe of motor shell
CN102489729B (en) Heavy numerical control horizontal type lathe tailstock
CN102284585A (en) Spin forming device for seamless metal pipe fitting
CN202317055U (en) Heavy-duty numerical control horizontal lathe tailstock
CN202763444U (en) Tools of inner and outer double-conical-degree large size solid of revolution type workpieces
CN104624898A (en) Universal single-beating-head vertical high-speed cold roll-beating machine tool
CN101602174A (en) Mechanical flat rotating disk
CN101898252A (en) Internal hole-positioning centre frame and novel lathe
CN106239279A (en) Numerical control screw-tap threaded grinding machine
CN203484476U (en) Numerical control spinning forming machine special for hub parts for engineering vehicle
CN201455726U (en) Flat turning disc device
CN209035975U (en) A kind of high-precision double-shaft horizontal boring and honing machine bed
CN102773501A (en) Machine tool special for wedge-caulking processing of copper bars on large motor rotor
CN202684645U (en) Motor rotor copper bar machine tool
RU2698236C2 (en) Molding machine for rotary extrusion/rolling and method of rotary extrusion/rolling
CN103862973A (en) Carving and milling integration numerical control four-axis carving machine
CN201711581U (en) Numerical control deep hole combined machine tool for processing stator bowls with even wall thickness
CN111014410B (en) Vertical opposite-wheel spinning equipment
CN100421851C (en) Prism working mechanism for instrument lathe
CN103481101A (en) Horizontal type boring and milling head

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180914

Address after: 244000 Anhui Tongling Bridge Economic Development Zone Datong Industrial and Trade Park

Patentee after: Tongling Dongfang Mingning Machine Co., Ltd.

Address before: No. 698, Huan Shan Road, Weihai, Shandong, Shandong

Patentee before: Weihai Huadong Automation Co., Ltd.

TR01 Transfer of patent right