CN103350263A - Numerically-controlled universal thread cutting machine - Google Patents

Numerically-controlled universal thread cutting machine Download PDF

Info

Publication number
CN103350263A
CN103350263A CN2013102517215A CN201310251721A CN103350263A CN 103350263 A CN103350263 A CN 103350263A CN 2013102517215 A CN2013102517215 A CN 2013102517215A CN 201310251721 A CN201310251721 A CN 201310251721A CN 103350263 A CN103350263 A CN 103350263A
Authority
CN
China
Prior art keywords
axis
bearing
movable base
knife bar
screw mandrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013102517215A
Other languages
Chinese (zh)
Other versions
CN103350263B (en
Inventor
马顺国
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.)
Yueqing Rongxin Machinery Co ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201310251721.5A priority Critical patent/CN103350263B/en
Publication of CN103350263A publication Critical patent/CN103350263A/en
Application granted granted Critical
Publication of CN103350263B publication Critical patent/CN103350263B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Turning (AREA)

Abstract

The invention discloses a numerically-controlled universal thread cutting machine which comprises a machine body, wherein a workpiece fixture is fixedly mounted at one end, in an X-axis direction, of the machine body; a movable base is glidingly mounted at the other end, in the X-axis direction, of the machine body; a support which can form gliding fit with the movable base in a Y-axis direction is mounted on the movable base; an external thread processing device and an internal thread processing device are mounted side by side on the support in the Y-axis direction; the external thread processing device comprises an external thread processing cutter head and a cutter head fixing bracket; and the internal thread processing device comprises an internal thread processing cutter bar and a cutter bar fixing seat. Accordingly, a user can correspondingly select the external thread processing device for processing workpiece external threads and the internal thread processing device for processing workpiece internal threads, the internal and external threads can be processed simultaneously by the aid of one time clamping of a workpiece on the same machine tool, the processing cost can be effectively reduced, the processing procedure is simplified, and the workpiece processing accuracy is improved greatly.

Description

The numerical-control universal thread chasing machine
Technical field
The present invention relates to a kind of numerically controlled lathe, be specifically related to a kind of numerical-control universal thread chasing machine that is specifically designed to turning processing work internal and external threads.
Background technology
At present, concerning the workpiece that some internal and external screw threads all need be processed, processing internal and external screw thread thereon needs to be finished by two traditional numerical control screw thread lathes, the i.e. external screw thread of a responsible processing work, the internal thread of another responsible processing work so not only increases processing cost greatly, and workpiece to be machined also needs twice clamping, thereby cause precise decreasing, manufacturing procedure is complicated.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of numerical-control universal thread chasing machine that can effectively cut down finished cost, simplify manufacturing procedure and can greatly improve machining accuracy.
For achieving the above object, the invention provides a kind of numerical-control universal thread chasing machine, comprise body, the end of described body on X-direction is fixed with work piece holder, the other end of described body on X-direction is slidingly fitted with a movable base, be equiped with on the described movable base and can consist of the bearing that slippage cooperates in Y direction with it, and described bearing is equipped with male thread processing device and female thread machining device side by side on Y direction, described male thread processing device comprises external screw thread machining cutter head and cutterhead fixed mount, described cutterhead fixed mount is installed on the bearing, and also be installed with cutter drive motor on the described cutterhead fixed mount, described external screw thread machining cutter head is installed on the cutterhead fixed mount, described external screw thread machining cutter head is many external screw thread processing cutter near being evenly distributed on this end of work piece holder, described external screw thread machining cutter head links by conveyer belt and cutter drive motor away from the other end of work piece holder, described female thread machining device comprises internal thread machining knife bar and knife bar holder, described knife bar holder is installed on the bearing, described internal thread machining knife bar is installed on the knife bar holder, described internal thread machining knife bar is set with the internal thread machining cutter near on this end of work piece holder, and described internal thread machining knife bar also links by conveyer belt and cutter drive motor away from the other end of work piece holder.
The invention has the beneficial effects as follows: adopt said structure, because the present invention is installed to described male thread processing device and female thread machining device on the same lathe side by side, therefore add man-hour, the user can be first with the workpiece to be processed clamping to work piece holder, then the user is according to process requirements, by the slippage of base on Y direction that relatively move of described bearing, come corresponding selection male thread processing device processing work external screw thread and female thread machining device processing work internal thread, after finishing, selection realizes in the workpiece by the slippage of the relative body of described movable base on X-direction, externally threaded turning processing, overall structure is simple, easy and simple to handle, and can be on same lathe clamped one time by workpiece, just can realize in the workpiece, external screw thread is processed simultaneously, effectively cuts down finished cost, simplify manufacturing procedure, and greatly improve Workpiece Machining Accuracy.In addition, because the internal thread machining knife bar that is used for the externally threaded external screw thread machining cutter head of processing work and is used for the processing work internal thread is driven by same cutter drive motor, therefore so that numerical-control universal thread chasing machine structure provided by the present invention is more compact, production cost is further reduced.
The present invention can further be set to also be connected with on the described cutterhead fixed mount and can drive the pendulous device that its relative bearing swings at Z axis, described pendulous device comprises worm gear and the worm screw of the interlock that is meshed, be installed with the projection of central axis on Y direction on the described bearing, described worm gear is fixed on the cutterhead fixed mount, and with described bearing on the projection rotation that socket-connects, described worm screw is arranged in the bearing, and the interlock that is meshed with described worm gear.
Adopt said structure, described cutterhead fixed mount is by the gearing of described worm gear and worm screw, can realize its relative bearing swinging on Z axis, thereby make the external screw thread lead angle can easily reach positive and negative miter angle, satisfy the process requirements of the external thread helix lift angle of user.
The present invention also can further be set to also be provided with on the described bearing swing limited block, offers the swing limit sliding chutes on the described swing limited block, is installed with the swing bolt that can swing in described swing limit sliding chutes slippage on the described cutterhead fixed mount.Adopt said structure, by the slippage of described swing bolt on described swing limit sliding chutes, can play to the swing of the relative bearing of described cutterhead fixed mount guiding and position-limiting action.
The present invention also can further be set to be installed with set bolt on the described bearing, offers on the described knife bar holder for described set bolt to insert, and can consist of the swing groove that swings and cooperate at Z axis by relatively described set bolt.
Adopt said structure, described knife bar holder is by the swing groove on it and the phorogenesis of set bolt, can realize the relative bearing of knife bar holder swinging on Z axis, thereby make the internal thread lead angle can easily reach positive and negative miter angle, satisfy the process requirements of the internal thread helix lift angle of user.
The present invention also can further be set to the slippage of the relative body of described movable base on X-direction and be driven by main motor and X-axis screw mandrel, main motor is installed on the body, the X-axis screw mandrel is arranged on the body, the output shaft of main motor is coaxial affixed with the X-axis screw mandrel, described movable base is set on the described X-axis screw mandrel, also offer the X-axis slippage slot on the described movable base, corresponding being provided with described X-axis slippage slot consists of sliding X-axis guide rail of joining in X-direction on the described body.
The present invention also can further be set to described bearing and relatively move the slippage of base on Y direction by servomotor and the driving of Y-axis screw mandrel, described servomotor is installed on the movable base, the Y-axis screw mandrel is arranged on the movable base, the output shaft of servomotor is coaxial affixed with the Y-axis screw mandrel, described bearing is set on the described Y-axis screw mandrel, also offer the Y-axis slippage slot on the described bearing, corresponding being provided with described Y-axis slippage slot consists of sliding Y-axis guide rail of joining in Y direction on the described movable base.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is partial structurtes schematic diagram of the present invention;
Fig. 3 is partial structurtes schematic diagram of the present invention;
Fig. 4 is partial structurtes schematic diagram of the present invention.
The specific embodiment
Such as Fig. 1,2,3, provided a kind of numerical-control universal thread chasing machine shown in 4, comprise body 1, the end of described body 1 on X-direction is fixed with work piece holder 2, the other end of described body 1 on X-direction is slidingly fitted with a movable base 3, described movable base 3 slippages of relative body 1 on X-direction are driven by main motor 4 and X-axis screw mandrel 5, main motor 4 is installed on the body 1, X-axis screw mandrel 5 is arranged on the body 1, the output shaft of main motor 4 is coaxial affixed with X-axis screw mandrel 5, described movable base 3 is set on the described X-axis screw mandrel 5, also offer X-axis slippage slot 301 on the described movable base 3, corresponding being provided with described X-axis slippage slot 301 consists of sliding X-axis guide rail 101 of joining in X-direction on the described body 1.Be equiped with on the described movable base 3 and can consist of the bearing 6 that slippage cooperates in Y direction with it, described bearing 6 relatively moves the slippage of base 3 on Y direction by servomotor 7 and 10 drivings of Y-axis screw mandrel, described servomotor 7 is installed on the movable base 3, Y-axis screw mandrel 10 is arranged on the movable base 3, the output shaft of servomotor 7 is coaxial affixed with Y-axis screw mandrel 10, described bearing 6 is set on the described Y-axis screw mandrel 10, also offer Y-axis slippage slot 601 on the described bearing 6, corresponding being provided with described Y-axis slippage slot 601 consists of sliding Y-axis guide rail 302 of joining in Y direction on the described movable base 3.Described bearing 6 is equipped with male thread processing device 8 and female thread machining device 9 side by side on Y direction, described male thread processing device 8 comprises external screw thread machining cutter head 801 and cutterhead fixed mount 802, described cutterhead fixed mount 802 is installed on the bearing 6, and also be installed with cutter drive motor 11 on the described cutterhead fixed mount 802, described external screw thread machining cutter head 801 is installed on the cutterhead fixed mount 802, described external screw thread machining cutter head 801 is many external screw thread processing cutter 803 near being evenly distributed on this end of work piece holder 2, described external screw thread machining cutter head 801 links by conveyer belt 12 and cutter drive motor 11 away from the other end of work piece holder 2, described female thread machining device 9 comprises internal thread machining knife bar 901 and knife bar holder 902, described knife bar holder 902 is installed on the bearing 6, described internal thread machining knife bar 901 is installed on the knife bar holder 902, described internal thread machining knife bar 901 is set with internal thread machining cutter 903 near on this end of work piece holder 2, and described internal thread machining knife bar 901 also links by conveyer belt 12 and cutter drive motor 11 away from the other end of work piece holder 2.Also be connected with on the described cutterhead fixed mount 802 and can drive the pendulous device 13 that its relative bearing 6 swings at Z axis, described pendulous device 13 comprises worm gear 131 and the worm screw 132 of the interlock that is meshed, be installed with the projection 602 of central axis on Y direction on the described bearing 6, described worm gear 131 is fixed on the cutterhead fixed mount 802, and with described bearing 6 on projection 602 rotation that socket-connects, described worm screw 132 is arranged in the bearing 6, and the interlock that is meshed with described worm gear 131.Also be provided with on the described bearing 6 and swing limited block 603, offer on the described swing limited block 603 and swing limit sliding chutes 6031, be installed with the swing bolt 804 that can swing in described swing limit sliding chutes 6031 slippage on the described cutterhead fixed mount 802.Be installed with set bolt 604 on the described bearing 6, offer on the described knife bar holder 902 for described set bolt 604 and insert, and can consist of the swing groove 9021 that swings and cooperate at Z axis by relatively described set bolt 604.In sum, because the present invention is installed to described male thread processing device 8 and female thread machining device 9 on the same lathe side by side, therefore the user can come processing work external screw thread and female thread machining device 9 to come the processing work internal thread by corresponding selection male thread processing device 8, thereby realize on same lathe the clamped one time by workpiece, just can finish the internal and external screw thread of workpiece is processed simultaneously, effectively cut down finished cost, simplify manufacturing procedure, and greatly improve Workpiece Machining Accuracy.

Claims (6)

1. numerical-control universal thread chasing machine, comprise body, the end of described body on X-direction is fixed with work piece holder, the other end of described body on X-direction is slidingly fitted with a movable base, it is characterized in that: be equiped with on the described movable base and can consist of the bearing that slippage cooperates in Y direction with it, and described bearing is equipped with male thread processing device and female thread machining device side by side on Y direction, described male thread processing device comprises external screw thread machining cutter head and cutterhead fixed mount, described cutterhead fixed mount is installed on the bearing, and also be installed with cutter drive motor on the described cutterhead fixed mount, described external screw thread machining cutter head is installed on the cutterhead fixed mount, described external screw thread machining cutter head is many external screw thread processing cutter near being evenly distributed on this end of work piece holder, described external screw thread machining cutter head links by conveyer belt and cutter drive motor away from the other end of work piece holder, described female thread machining device comprises internal thread machining knife bar and knife bar holder, described knife bar holder is installed on the bearing, described internal thread machining knife bar is installed on the knife bar holder, described internal thread machining knife bar is set with the internal thread machining cutter near on this end of work piece holder, and described internal thread machining knife bar also links by conveyer belt and cutter drive motor away from the other end of work piece holder.
2. numerical-control universal thread chasing machine according to claim 1, it is characterized in that: also be connected with on the described cutterhead fixed mount and can drive the pendulous device that its relative bearing swings at Z axis, described pendulous device comprises worm gear and the worm screw of the interlock that is meshed, be installed with the projection of central axis on Y direction on the described bearing, described worm gear is fixed on the cutterhead fixed mount, and with described bearing on the projection rotation that socket-connects, described worm screw is arranged in the bearing, and the interlock that is meshed with described worm gear.
3. numerical-control universal thread chasing machine according to claim 2, it is characterized in that: also be provided with the swing limited block on the described bearing, offer the swing limit sliding chutes on the described swing limited block, be installed with the swing bolt that can swing in described swing limit sliding chutes slippage on the described cutterhead fixed mount.
4. numerical-control universal thread chasing machine according to claim 1, it is characterized in that: be installed with set bolt on the described bearing, offer on the described knife bar holder for described set bolt and insert, and can consist of the swing groove that swings and cooperate at Z axis by relatively described set bolt.
5. numerical-control universal thread chasing machine according to claim 1, it is characterized in that: the slippage of the relative body of described movable base on X-direction driven by main motor and X-axis screw mandrel, main motor is installed on the body, the X-axis screw mandrel is arranged on the body, the output shaft of main motor is coaxial affixed with the X-axis screw mandrel, described movable base is set on the described X-axis screw mandrel, also offer the X-axis slippage slot on the described movable base, corresponding being provided with described X-axis slippage slot consists of sliding X-axis guide rail of joining in X-direction on the described body.
6. numerical-control universal thread chasing machine according to claim 1, it is characterized in that: described bearing relatively moves the slippage of base on Y direction by servomotor and the driving of Y-axis screw mandrel, described servomotor is installed on the movable base, the Y-axis screw mandrel is arranged on the movable base, the output shaft of servomotor is coaxial affixed with the Y-axis screw mandrel, described bearing is set on the described Y-axis screw mandrel, also offer the Y-axis slippage slot on the described bearing, corresponding being provided with described Y-axis slippage slot consists of sliding Y-axis guide rail of joining in Y direction on the described movable base.
CN201310251721.5A 2013-06-24 2013-06-24 Numerical-control universal thread chasing machine Active CN103350263B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310251721.5A CN103350263B (en) 2013-06-24 2013-06-24 Numerical-control universal thread chasing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310251721.5A CN103350263B (en) 2013-06-24 2013-06-24 Numerical-control universal thread chasing machine

Publications (2)

Publication Number Publication Date
CN103350263A true CN103350263A (en) 2013-10-16
CN103350263B CN103350263B (en) 2015-09-30

Family

ID=49306725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310251721.5A Active CN103350263B (en) 2013-06-24 2013-06-24 Numerical-control universal thread chasing machine

Country Status (1)

Country Link
CN (1) CN103350263B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105345176A (en) * 2015-11-02 2016-02-24 上海建工(江苏)钢结构有限公司 Semi-automatic thread repairing device
CN105345173A (en) * 2015-12-01 2016-02-24 重庆建设工业(集团)有限责任公司 Spiral processing device
CN108296575A (en) * 2018-03-28 2018-07-20 张凤国 A kind of big screw pitch male thread processing device
CN108544041A (en) * 2018-07-05 2018-09-18 湘潭大学 Inner screw thread milling processing method
CN108746667A (en) * 2018-06-22 2018-11-06 宁波赛夫科技有限公司 Bolt is integrally machined lathe
CN111069910A (en) * 2020-01-21 2020-04-28 杨亚东 Automatic drilling and external thread machining device for automobile brake pipe joint
CN111922451A (en) * 2020-08-01 2020-11-13 上海格兰克林(集团)有限公司 Screw machining equipment of single-screw air compressor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306137A1 (en) * 1973-02-08 1974-08-15 Heidenreich & Harbeck Gmbh METHOD AND DEVICE FOR THREADING ON A LATHE
US3937110A (en) * 1974-04-08 1976-02-10 Cri-Dan Lathe for machining hollow parts
SU795781A1 (en) * 1979-03-28 1981-01-15 Предприятие П/Я А-3698 Threading arrangement to lathe
CN2520981Y (en) * 2001-09-05 2002-11-20 王晓燕 Screw-thread mill
CN201300267Y (en) * 2008-11-20 2009-09-02 南阳二机石油装备(集团)有限公司 Device for lather to quickly process small-diameter internal and external screws
CN102133664A (en) * 2011-01-26 2011-07-27 河南理工大学 Ultrasonic whirling equipment for machining high-precision spiral line
CN202752709U (en) * 2012-07-12 2013-02-27 常州德劢精密传动有限公司 Digital control machine tool
CN203292623U (en) * 2013-06-24 2013-11-20 马顺国 Numerical control all-purpose thread cutting lathe

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306137A1 (en) * 1973-02-08 1974-08-15 Heidenreich & Harbeck Gmbh METHOD AND DEVICE FOR THREADING ON A LATHE
US3937110A (en) * 1974-04-08 1976-02-10 Cri-Dan Lathe for machining hollow parts
SU795781A1 (en) * 1979-03-28 1981-01-15 Предприятие П/Я А-3698 Threading arrangement to lathe
CN2520981Y (en) * 2001-09-05 2002-11-20 王晓燕 Screw-thread mill
CN201300267Y (en) * 2008-11-20 2009-09-02 南阳二机石油装备(集团)有限公司 Device for lather to quickly process small-diameter internal and external screws
CN102133664A (en) * 2011-01-26 2011-07-27 河南理工大学 Ultrasonic whirling equipment for machining high-precision spiral line
CN202752709U (en) * 2012-07-12 2013-02-27 常州德劢精密传动有限公司 Digital control machine tool
CN203292623U (en) * 2013-06-24 2013-11-20 马顺国 Numerical control all-purpose thread cutting lathe

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105345176A (en) * 2015-11-02 2016-02-24 上海建工(江苏)钢结构有限公司 Semi-automatic thread repairing device
CN105345173A (en) * 2015-12-01 2016-02-24 重庆建设工业(集团)有限责任公司 Spiral processing device
CN108296575A (en) * 2018-03-28 2018-07-20 张凤国 A kind of big screw pitch male thread processing device
CN108296575B (en) * 2018-03-28 2024-01-26 张凤国 Large-pitch external thread machining device
CN108746667A (en) * 2018-06-22 2018-11-06 宁波赛夫科技有限公司 Bolt is integrally machined lathe
CN108746667B (en) * 2018-06-22 2024-05-31 宁波赛夫科技有限公司 Bolt integrated processing lathe
CN108544041A (en) * 2018-07-05 2018-09-18 湘潭大学 Inner screw thread milling processing method
CN111069910A (en) * 2020-01-21 2020-04-28 杨亚东 Automatic drilling and external thread machining device for automobile brake pipe joint
CN111922451A (en) * 2020-08-01 2020-11-13 上海格兰克林(集团)有限公司 Screw machining equipment of single-screw air compressor

Also Published As

Publication number Publication date
CN103350263B (en) 2015-09-30

Similar Documents

Publication Publication Date Title
CN103350263A (en) Numerically-controlled universal thread cutting machine
CN203610801U (en) Numerical-control thread all-purpose whirlwind milling machine
CN102380625B (en) Special numerically controlled lathe for cutting inner arc curved surface
CN203292623U (en) Numerical control all-purpose thread cutting lathe
CN104475767A (en) High-rigidity hard-guide-rail inclined numerical control lathe
CN103056629A (en) Shaft gear composite processing machine tool
CN103111673B (en) Axial double helix face semi-automatic milling machine
CN202963993U (en) Multifunction numerical control turn-mill combination gear hobbing machine
CN103009065A (en) Polygonal compound turn-milling machining device
CN204657587U (en) A kind of edge milling machines
CN204276916U (en) A kind of numerically controlled lathe
CN103203491B (en) Method for processing external spiral slot with large screw pitch by numerically controlled lathe and process device
CN102500766A (en) Numerically-controlled lathe of vertical double-too-rest inclined lathe bed
CN202291578U (en) Device for implementing grooving machining by using numerically controlled lathe
CN204094150U (en) A kind of synchronous two main spindle box numerically controlled lathe
CN203579210U (en) Heavy boring and milling machine rotating table
CN203992689U (en) A kind of device that utilizes engine lathe high efficiency processing steep-pitch thread
CN202934343U (en) Polygon composite turn-milling machining device
CN203918438U (en) Turnning and milling combined numerically controlled machine
CN203917931U (en) Multifunctional numerical control lathe
CN205200720U (en) Spiral processing equipment
CN202240439U (en) Multifunctional machine tool
CN211966618U (en) Numerical control seven-axis five-linkage turning and milling combined machining center machine tool
CN203804553U (en) Machine tool for milling double end surfaces rapidly
CN209062653U (en) X-axis feeding transmission system structure with interpolation function gun turret milling machine feeding mechanism

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
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160203

Address after: 325600 Zhejiang city of Wenzhou province Yueqing Economic Development Zone by seven road No. 477 (Helong explosion-proof electrical limited company)

Patentee after: ZHEJIANG HELONG DIGITAL CONTROL TECHNOLOGY CO.,LTD.

Address before: 325600 Zhejiang city of Wenzhou province Yueqing City Central Road No. 237 Cheng Jing

Patentee before: Ma Shunguo

CB03 Change of inventor or designer information

Inventor after: Ma Shunguo

Inventor after: Ke Zhenlian

Inventor before: Ma Shunguo

COR Change of bibliographic data
TR01 Transfer of patent right

Effective date of registration: 20230117

Address after: No. 477, Jingqi Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province, 325600

Patentee after: CHINA HELON EXPLOSION-PROOF ELECTRIC Co.,Ltd.

Address before: 325600 No. 477, Jingqi Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province (in Helong explosion proof Electric Co., Ltd.)

Patentee before: ZHEJIANG HELONG DIGITAL CONTROL TECHNOLOGY CO.,LTD.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230530

Address after: Beigang Village, Nantang Town, Yueqing City, Wenzhou City, Zhejiang Province, 325000

Patentee after: Yueqing Rongxin Machinery Co.,Ltd.

Address before: No. 477, Jingqi Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province, 325600

Patentee before: CHINA HELON EXPLOSION-PROOF ELECTRIC Co.,Ltd.

TR01 Transfer of patent right