CN101670405A - Necking machine for copper pipe - Google Patents

Necking machine for copper pipe Download PDF

Info

Publication number
CN101670405A
CN101670405A CN200910035556A CN200910035556A CN101670405A CN 101670405 A CN101670405 A CN 101670405A CN 200910035556 A CN200910035556 A CN 200910035556A CN 200910035556 A CN200910035556 A CN 200910035556A CN 101670405 A CN101670405 A CN 101670405A
Authority
CN
China
Prior art keywords
fixture block
copper pipe
mould
place
hydraulic jack
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
CN200910035556A
Other languages
Chinese (zh)
Other versions
CN101670405B (en
Inventor
张同伟
汪涌
孟海萍
祁国平
颜士忠
潘洋
梁园
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.)
Jiangsu Sunpower Solar Technology Co Ltd
Original Assignee
Jiangsu Sunpower Solar 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 Jiangsu Sunpower Solar Technology Co Ltd filed Critical Jiangsu Sunpower Solar Technology Co Ltd
Priority to CN2009100355563A priority Critical patent/CN101670405B/en
Publication of CN101670405A publication Critical patent/CN101670405A/en
Application granted granted Critical
Publication of CN101670405B publication Critical patent/CN101670405B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

The invention provides a necking machine for copper pipes, which comprises a hydraulic ram, a hand-operated direction valve, a locking clamp, a support seat and a control box which are installed on aworkbench, wherein the central line of the locking clamp is consistent with that of the hydraulic ram; the hydraulic ram is provided with a shaft which extends out of the outer end of the hydraulic ram and forms a slide fit with an inner hole of the support seat; a necking mold is installed and connected to the shaft end; and the aperture gradually increases from inside to outside with smooth transitions from the outer section of the inner hole of the inner sleeve of the necking mold to the outer end surface. The locking clamp comprises a bottom seat, a bracket, a lower clamping block, an upper clamping block, a screw mandrel and a handle which are fixedly connected with the workbench, wherein the bracket comprises a transverse beam and a vertical slide rail; the screw mandrel is fixedly connected with the handle and passes through a screw hole arranged in the transverse beam to support against the upper surface of the upper clamping block; a spring is arranged between the upper clamping block and the lower clamping block; and the contact surface of the upper clamping block and the lower clamping block is provided with a groove in which a copper pipe can be arranged. The necking machine for copper pipes has the advantages of simple structure and convenient operation and is especially suitable for the requirements of mass production.

Description

Necking machine for copper pipe
Technical field
The present invention relates to does not have the Machining Technology field that disappears, particularly a kind of necking machine for copper pipe that can make the copper pipe reducing of cutting.
Background technology
In existing industrial products and daily product, the pipe of different tube diameters links to each other to be both and often runs into, generally can adopt joint to connect, and the joint connection can bring leakage problem, is not allow to leak generation in a lot of occasions, can only adopt and in the middle of the pipe of different-diameter, increase conical pipe, two ends utilize welding manner that the pipe of different tube diameters is welded as a whole then, and this will increase operation, bring inconvenience to production, for large batch of production, increased cost especially.
Summary of the invention
The purpose of this invention is to provide the necking machine for copper pipe that can make copper pipe mouth of pipe reducing a kind of simple in structure, easy to operate.
For addressing the above problem, the technical solution used in the present invention is a kind of necking machine for copper pipe, comprise workbench, hydraulic jack, hand-operated direction valve, locking fixture, supporting base and control cabinet, the work of control cabinet control hydraulic jack, hand-operated direction valve can be controlled the direction of motion of piston in the hydraulic jack, hydraulic jack, hand-operated direction valve, locking fixture, supporting base and control cabinet are installed on the workbench, and the center line of locking fixture is consistent with the center line of hydraulic jack, hydraulic jack has the axle that stretches out the oil cylinder outer end, the load that is slidingly matched of the endoporus of described axle and supporting base, its innovative point is:
A, also comprise the reducing mould, reducing mould and the axle load of stretching out the hydraulic jack outer end, the reducing mould, comprise cover in the mould, die coat and connector, the inner inner hole thread with the axle that stretches out the hydraulic jack outer end of described connector is connected, the periphery wall of cover has boss in the described mould, cover puts in the endoporus of connector in the mould, a face of its boss is mutually low with the outer face of connector, described die coat has inner bore of step, its aperture section is sleeved on the periphery wall of cover in the mould, and another face of cover boss offsets in step plane and the mould, and the macropore section of described die coat is that screwed hole is threaded with the connector outer end.
The interior outer end of hole of cover is to its place, outer face in b, the described mould, and it is big that aperture becomes from inside to outside gradually, and aperture variation place smooth transition.
C, described locking fixture comprises the base that is connected with stationary table, support, following fixture block, last fixture block leading screw and handle, support, following fixture block is all fixedlyed connected with base, described support comprises the slide rail of crossbeam and vertical direction, leading screw is fixedlyed connected with handle, and pass screw that crossbeam is provided with and be positioned at fixture block top down, the last plane of the last fixture block between two vertical direction slide rails offsets, the slide rail of last fixture block and two vertical directions is slidingly matched, the slide rail of last fixture block and two vertical directions is slidingly matched, described going up between fixture block and the following fixture block is provided with spring, and handle is fixedlyed connected with leading screw.The place, last plane of described down fixture block is provided with the low groove of institute's rotation copper pipe, and described lower plane place of going up fixture block is provided with the upper groove of rotatable copper pipe, and goes up fixture block and following fixture block to fashionable, and its upper groove is corresponding with low groove.
The interior outer end of hole of cover is located to its outer end in the mould of described reducing mould, and the inner hole wall aperture becomes gradually from inside to outside and is circular arc greatly.
The upper groove of the copper pipe placed that described upward fixture block is provided with is the semicircular arc groove, or Y shape groove.
Described lower plane place of going up fixture block is fixedly connected with two springs, and the place, last plane of described fixture block down is provided with can be respectively and corresponding two shrinkage pools of described two springs, and two springs insert respectively in two shrinkage pools.
The place, last plane of described fixture block down is provided with guide finger, and described lower plane place of going up fixture block is provided with and the corresponding pilot hole of guide finger.
After adopting technical scheme of the present invention, at first the copper pipe dress is pierced in the locking fixture,, under the effect of spring, can guarantee to lock chucking power and can clamp copper pipe, can not make the copper pipe distortion again owing to be provided with spring between the upper and lower fixture block.When the end face of copper pipe during near the reducing mould that is positioned on the axle that stretches out the hydraulic cylinder outer end, the leading screw that utilizes handle to rotate to be connected with it be against fixture block above, it is moved down, last, following fixture block is in the resultant motion, can be rightly with the copper pipe clamping, to go up simultaneously, the spring compression that is provided with between the following fixture block, utilize the direction of motion of hand-operated direction valve control hydraulic cylinder piston rod this moment, make and be installed in the reducing mould that hydraulic cylinder stretches out axle head and move to the copper pipe direction, section is to its place, outer face under hydraulic action because outside the interior cover endoporus in the reducing mould, aperture is expansion gradually from inside to outside, and the uniform and smooth transition of varying aperture part, therefore, during copper pipe is easy to put in and overlaps in the reducing mould, the copper pipe caliber is diminished with the variation compression in the aperture of overlapping in the reducing mould, reach the purpose of reducing, as long as moved hand-operated direction valve by the copper pipe of reducing and move in the other direction when taking out, the interior cover of mould of reducing mould is drawn back, promptly with by the copper pipe of reducing separate, this moment is at the handle of rotational lock anchor clamps, the leading screw that is connected with handle is moved upward, at this moment going up fixture block pops up under the effect of spring, spacing two vertical direction slide rails along support that last fixture block is subjected to guide finger move upward, and just can take out by the copper pipe of reducing.Certainly the copper pipe vary in diameter is very big if desired, can adopt the way of repeatedly reducing, since in the reducing mould in the mould cover be in the connector that is sleeved in the endoporus of the projecting shaft that puts in hydraulic cylinder, utilizing die coat to be threaded with connector again is connected as a single entity the projecting shaft of cover in the mould with hydraulic cylinder, as long as screw off die coat, just easily overlap in the mold removal.Therefore, we can be according to the variation of required caliber, make the interior cover of mould in different endoporus aperture, with the method for overlapping in the mold exchange more, several times copper pipe is carried out reducing, just can satisfy our needs, necking machine for copper pipe of the present invention, technology are simple, easy to operate, as to be particularly suitable for producing in batches needs.
Description of drawings
Fig. 1 is the structural representation of necking machine for copper pipe of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of locking fixture among Fig. 1;
Fig. 4 is an I portion enlarged drawing among Fig. 1.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing describes in further detail the present invention.
Referring to Fig. 1,2,3,4, a kind of necking machine for copper pipe, comprise workbench 5, hydraulic jack 2, hand-operated direction valve 3, locking fixture 4, supporting base 7 and control cabinet 1,2 work of control cabinet 1 control hydraulic jack, hand-operated direction valve 3 can be controlled the direction of motion of piston in the hydraulic jack 2, hydraulic jack 2, hand-operated direction valve 3, locking fixture 4, supporting base 7 and control cabinet 1 are installed on the workbench 5, and the center line of locking fixture 4 is consistent with the center line of hydraulic jack 2, hydraulic jack 2 has the axle 2-1 that stretches out the oil cylinder outer end, the load that is slidingly matched of the endoporus of axle 2-1 and supporting base 7, also comprise reducing mould 6, reducing mould 6 and the axle 2-1 load of stretching out hydraulic jack 2 outer ends, reducing mould 6, comprise cover 6-1 in the mould, die coat 6-2 and connector 6-3, the inner inner hole thread with the axle 2-1 that stretches out hydraulic jack 2 outer ends of described connector 6-3 is connected, the periphery wall of cover 6-1 has boss 6-1-1 in the described mould, cover 6-1 puts in the endoporus of connector 6-3 in the mould, the face of its boss 6-1-1 is mutually low with the outer face of connector 6-3, described die coat 6-2 has inner bore of step, its aperture section is sleeved on the periphery wall of cover 6-1 in the mould, another face of cover 6-1 boss offsets in step plane and the mould, and the macropore section of described die coat 6-2 is that screwed hole is threaded with connector 6-3 outer end.The endoporus 6-1-1 outer end of cover 6-1 is to its place, outer face in the described mould, and it is big that aperture becomes from inside to outside gradually, and the aperture change section is produced smooth transition.
Referring to Fig. 1,3, described locking fixture 4 comprises the base 4-1 of fixedlying connected with workbench 5, support 4-2, following fixture block 4-3, last fixture block 4-4 leading screw 4-5 and handle 4-6, support 4-2, following fixture block 4-3 is all fixedlyed connected with base 4-1, described support 4-2 comprises the slide rail 4-2-2 of crossbeam 4-2-1 and vertical direction, leading screw 4-5 is fixedlyed connected with handle 4-6 and is passed the screw that crossbeam 4-2-1 is provided with, with be positioned at down fixture block 4-3 top, the last plane of last fixture block 4-4 between two vertical direction slide rail 4-2-2 offsets, the slide rail 4-2-4 of last fixture block 4-4 and two vertical directions is slidingly matched, and the slide rail 4-2-4 of last fixture block 4-4 and two vertical directions is slidingly matched; In order to guarantee that locking chucking power can clamp copper pipe, can not make the copper pipe distortion again, described going up between fixture block 4-4 and the following fixture block 4-3 is provided with spring 4-7; Handle 4-6 is fixedlyed connected with leading screw 4-5.The place, last plane of described fixture block 4-3 down is provided with the low groove 4-3-1 of institute's rotation copper pipe, described lower plane place of going up fixture block 4-4 is provided with the upper groove 4-4-1 of rotatable copper pipe, and last fixture block 4-4 and following fixture block 4-3 are to fashionable, and its upper groove 4-4-1 is corresponding with low groove 4-3-1.
Referring to Fig. 1,3, because the reducing mould is by connector 6-3 and the axle load of stretching out the hydraulic jack outer end, can promote the reducing mould behind the primer fluid compressing cylinder moves, overlap to have in the mould and become big aperture from inside to outside gradually, its reduced diameter portion rounding off, therefore the reducing mould is enclosed within on the copper pipe easily, and even stressed moulding.In order to make copper pipe necking reducer place attractive in appearance, smooth, endoporus 6-1-1 outer end to its outer end of cover 6-1 in the mould of described reducing mould 6 and locating, inner hole wall aperture become gradually from inside to outside and are circular arc greatly.
Referring to Fig. 1,4, copper pipe can be pinned in order to make copper pipe locking fixture in the reducing operation, and guarantee that copper pipe is indeformable, the upper groove 4-4-1 of the copper pipe placed that described upward fixture block 4-4 is provided with is the semicircular arc groove, or Y shape groove.The low groove 4-3-1 of the copper pipe placed that described fixture block 4-3 down is provided with is semicircular arc groove or Y shape groove.Described lower plane place of going up fixture block 4-4 is fixedly connected with two spring 4-7, and the place, last plane of described fixture block 4-3 down is provided with can be respectively and corresponding two the shrinkage pool 4-3-2 of described two spring 4-7, and two spring 4-7 insert respectively among two shrinkage pool 4-3-2.
Referring to Fig. 4, move up and down steadily in order to make fixture block 4-4, the place, last plane of described fixture block 4-3 down is provided with guide finger 4-3-3, and described lower plane place of going up fixture block 4-4 is provided with the corresponding pilot hole 4-4-2 with guide finger 4-3-3.
Referring to Fig. 1,2,3,4, necking machine for copper pipe of the present invention in use, at first, be packed in reducing mould 6 in the endoporus of the axle 2-1 that stretches out hydraulic cylinder 2 outer ends by connector 6-3, passed locking fixture 4 by the copper pipe of reducing, direct reach the outer face of reducing mould 6, the handle 4-6 of rotational lock anchor clamps, between upper groove 4-4-1 that fixture block 4-4 is moved down copper pipe is locked at last fixture block 4-4 and the low groove 4-3-1 of following fixture block 4-3, if the copper pipe by reducing is longer, can increase support 8 in the copper pipe outer end copper pipe is held up, upwarp to prevent the copper pipe working end; At this moment the primer fluid compressing cylinder 2, move hand-operated direction valve 3, the reducing mould 6 that is installed on the hydraulic jack 2 is moved to the copper pipe direction, copper pipe is enclosed within the mould of reducing mould 6 among the cover 6-1, the diameter extruding of copper pipe is become the identical diameter in aperture that overlaps 6-1 in the mould, and this just finishes the operation of a copper pipe diameter reduction; Moving hand-operated direction valve 3 then moves in the other direction, the interior cover of the mould 6-1 of reducing mould 6 is drawn back, promptly with by the copper pipe of reducing separate, this moment is at the handle 4-6 of rotational lock anchor clamps, the leading screw 4-5 that is connected with handle 4-6 is moved upward, at this moment go up fixture block 4-4 and pop up under the effect of spring 4-7, spacing two vertical direction slide rail 4-2-2 along support 4-2 that last fixture block 4-4 is subjected to guide finger 4-3-3 move upward, and just can take out by the copper pipe of reducing.Because reducing mould 6 comprises cover 6-1, die coat 6-2 and connector 6-3 in the mould, die coat 6-2 be threaded with adapter sleeve 6-3 in the axle 2-1 endoporus that is installed in depths hydraulic jack 2 and will be in the mould the fixing parts of cover 6-1, can be general.And the aperture of cover 6-1 makes according to product needed in the mould, when the caliber of copper pipe need alter a great deal, we can carry out repeatedly reducing and promptly design mode gradation that cover 6-1 in a plurality of moulds utilizes cover 6-1 in the mold exchange more copper pipe is carried out reducing and reaches the demand of product gradually, therefore, necking machine for copper pipe of the present invention, simple in structure, easy to operate, be particularly suitable for requirements of large-scale production.

Claims (6)

1, a kind of necking machine for copper pipe, comprise workbench (5), hydraulic jack (2), hand-operated direction valve (3), locking fixture (4), supporting base (7) and control cabinet (1), control cabinet (1) control hydraulic jack (2) work, hand-operated direction valve (3) can be controlled the direction of motion of piston in the hydraulic jack (2), hydraulic jack (2), hand-operated direction valve (3), locking fixture (4), supporting base (7) and control cabinet (1) are installed on the workbench (5), and the center line of locking fixture (4) is consistent with the center line of hydraulic jack (2), hydraulic jack (2) has the axle (2-1) that stretches out the oil cylinder outer end, the load that is slidingly matched of the endoporus of described axle (2-1) and supporting base (7) is characterized in that:
A, also comprise reducing mould (6), reducing mould (6) and axle (2-1) load of stretching out hydraulic jack (2) outer end, reducing mould (6), comprise cover (6-1) in the mould, die coat (6-2) and connector (6-3), the inner inner hole thread with the axle (2-1) that stretches out hydraulic jack (2) outer end of described connector (6-3) is connected, the periphery wall of cover (6-1) has boss (6-1-1) in the described mould, cover (6-1) puts in the endoporus of connector (6-3) in the mould, a face of its boss (6-1-1) is mutually low with the outer face of connector (6-3), described die coat (6-2) has inner bore of step, its aperture section is sleeved on the periphery wall of cover (6-1) in the mould, another face of cover (6-1) boss offsets in step plane and the mould, and the macropore section of described die coat (6-2) is that screwed hole is threaded with connector (6-3) outer end;
The outer section of the endoporus (6-1-2) of cover (6-1) is to its place, outer face in b, the described mould, and it is big that aperture becomes from inside to outside gradually, and aperture variation place smooth transition;
C, described locking fixture (4) comprises base (4-1), support (4-2), following fixture block (4-3), last fixture block (4-4) leading screw (4-5) and handle (4-6), base (4-1) is fixedlyed connected with workbench (5), support (4-2), following fixture block (4-3) is all fixedlyed connected with base (4-1), described support (4-2) comprises the slide rail (4-2-2) of crossbeam (4-2-1) and two vertical directions, leading screw (4-5) is fixedlyed connected with handle (4-6) and is passed screw that crossbeam (4-2-1) is provided with and be positioned at fixture block (4-3) top down, the last plane of the last fixture block (4-4) between two vertical direction slide rails (4-2-2) offsets, last fixture block (4-4) is slidingly matched with the slide rail (4-2-4) of two vertical directions, described going up between fixture block (4-4) and the following fixture block (4-3) is provided with spring (4-7), the place, last plane of described fixture block (4-3) down is provided with the low groove (4-3-1) that can place copper pipe, described lower plane place of going up fixture block (4-4) is provided with the upper groove (4-4-1) that can place copper pipe, and last fixture block (4-4) and following fixture block (4-3) are to fashionable, and its upper groove (4-4-1) is corresponding with low groove (4-3-1).
2, necking machine for copper pipe according to claim 1 is characterized in that: the outer section of the endoporus (6-1-1) of cover (6-1) is to its place, outer face in the mould of described reducing mould (6), and the inner hole wall aperture becomes gradually from inside to outside and is circular arc greatly.
3, necking machine for copper pipe according to claim 1 is characterized in that: the upper groove (4-4-1) of the copper pipe placed that described upward fixture block (4-4) is provided with is the semicircular arc groove, or V-shaped groove.
4, necking machine for copper pipe according to claim 3 is characterized in that: the low groove (4-3-1) of the copper pipe placed that described fixture block (4-3) down is provided with is semicircular arc groove or V-shaped groove.
5, necking machine for copper pipe according to claim 1, it is characterized in that: described lower plane place of going up fixture block (4-4) is fixedly connected with two springs (4-7), the last plane of described down fixture block (4-3) is located to be provided with can be respectively and corresponding two shrinkage pools of described two springs (4-7) (4-3-2), and two springs (4-7) insert respectively in two shrinkage pools (4-3-2).
6, necking machine for copper pipe according to claim 1 or 5, it is characterized in that: the place, last plane of described fixture block (4-3) down is provided with guide finger (4-3-3), and described lower plane place of going up fixture block (4-4) is provided with and the corresponding pilot hole of guide finger (4-3-3) (4-4-2).
CN2009100355563A 2009-09-24 2009-09-24 Necking machine for copper pipe Expired - Fee Related CN101670405B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100355563A CN101670405B (en) 2009-09-24 2009-09-24 Necking machine for copper pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100355563A CN101670405B (en) 2009-09-24 2009-09-24 Necking machine for copper pipe

Publications (2)

Publication Number Publication Date
CN101670405A true CN101670405A (en) 2010-03-17
CN101670405B CN101670405B (en) 2011-04-06

Family

ID=42017948

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009100355563A Expired - Fee Related CN101670405B (en) 2009-09-24 2009-09-24 Necking machine for copper pipe

Country Status (1)

Country Link
CN (1) CN101670405B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102139330A (en) * 2010-11-19 2011-08-03 无锡曙光模具有限公司 Novel female die structure for necking pipe fittings
CN102211115A (en) * 2010-04-08 2011-10-12 咏基工业股份有限公司 Automatic extrusion device
CN102266894A (en) * 2011-07-25 2011-12-07 贾本先 Heading machine for metal tube neck
CN102716997A (en) * 2012-06-26 2012-10-10 张家港市华舜机械制造有限公司 Pipe shrinkage machine
CN103212800A (en) * 2012-01-19 2013-07-24 昆山思拓机器有限公司 Clamp for V-shaped support tubular product
CN103706725A (en) * 2013-12-31 2014-04-09 上海自动化仪表股份有限公司 Pipe orifice necking tool
CN104416360A (en) * 2014-10-15 2015-03-18 浙江友谊菲诺伞业有限公司 Pipe necking and cutting integrated machining machine
CN107008773A (en) * 2017-03-29 2017-08-04 歌尔股份有限公司 Position shaping device
CN108007621A (en) * 2017-12-18 2018-05-08 青岛本末岩控技术有限公司 A kind of wall rock drill-hole stress monitoring experimental teaching apparatus for demonstrating and its experimental method
CN108608229A (en) * 2018-03-30 2018-10-02 安徽工程大学 A kind of mechanical part processing fixing device
CN109332509A (en) * 2018-09-28 2019-02-15 贵州新安航空机械有限责任公司 Simple seaming tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9903150D0 (en) * 1999-02-12 1999-04-07 Schoolhill Hydraulic Eng Apparatus for swaging an object
CN2860663Y (en) * 2005-11-29 2007-01-24 广东精艺金属股份有限公司 Automatic copper tube pipe expanding or shrinking machine
CN200951451Y (en) * 2006-08-31 2007-09-26 比亚迪股份有限公司 Machine for reducing tube end
KR100849659B1 (en) * 2007-05-21 2008-07-31 배현웅 Apparatus for reducing diameter of pipes

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102211115A (en) * 2010-04-08 2011-10-12 咏基工业股份有限公司 Automatic extrusion device
CN102139330A (en) * 2010-11-19 2011-08-03 无锡曙光模具有限公司 Novel female die structure for necking pipe fittings
CN102266894A (en) * 2011-07-25 2011-12-07 贾本先 Heading machine for metal tube neck
CN103212800B (en) * 2012-01-19 2016-02-24 昆山思拓机器有限公司 A kind of V-shaped rest pipe material clamp
CN103212800A (en) * 2012-01-19 2013-07-24 昆山思拓机器有限公司 Clamp for V-shaped support tubular product
CN102716997A (en) * 2012-06-26 2012-10-10 张家港市华舜机械制造有限公司 Pipe shrinkage machine
CN103706725A (en) * 2013-12-31 2014-04-09 上海自动化仪表股份有限公司 Pipe orifice necking tool
CN103706725B (en) * 2013-12-31 2015-11-18 上海自动化仪表有限公司 Mouth of pipe seaming tool
CN104416360A (en) * 2014-10-15 2015-03-18 浙江友谊菲诺伞业有限公司 Pipe necking and cutting integrated machining machine
CN107008773A (en) * 2017-03-29 2017-08-04 歌尔股份有限公司 Position shaping device
CN108007621A (en) * 2017-12-18 2018-05-08 青岛本末岩控技术有限公司 A kind of wall rock drill-hole stress monitoring experimental teaching apparatus for demonstrating and its experimental method
CN108608229A (en) * 2018-03-30 2018-10-02 安徽工程大学 A kind of mechanical part processing fixing device
CN108608229B (en) * 2018-03-30 2021-01-26 安徽工程大学 Fixing device is used in machine part processing
CN109332509A (en) * 2018-09-28 2019-02-15 贵州新安航空机械有限责任公司 Simple seaming tool

Also Published As

Publication number Publication date
CN101670405B (en) 2011-04-06

Similar Documents

Publication Publication Date Title
CN101670405B (en) Necking machine for copper pipe
CN103962598B (en) The automatic expansion core fixture of thin-walled tube kind part
CN201768931U (en) Cylinder jacket inner expansion type finish turning fixture
CN201791789U (en) Reshaping device of steel pipe
CN204892759U (en) Pipe end flaring device
TWI433739B (en) Flaring device for a tubular member
CN204771646U (en) Mechanism in automatic correction of branch of spindle
CN202861230U (en) Hydraulic pressure pipe-expanding machine
CN102320149B (en) Shaping technology and shaping device for large-diameter PE (poly ethylene) reduced tee joint branch pipe
CN102962706A (en) Oval turning lathe fixture for use in piston processing of marine diesel engine
CN204036032U (en) Lathe centre frame
CN105583270B (en) Seamless steel pipe bending machine
CN203765018U (en) Flexible gear positioning tool
CN202461335U (en) Contraction reducing device for tube end
CN205520284U (en) Hydraulic cylinder welds frock
CN203804898U (en) Tool for disassembling valve seat of plunger pump
CN104476089B (en) Trolley coach bogie draw beam one step clamp for machining
CN103252392A (en) Molding equipment for large-diameter thin-walled elbow pipe
CN202752643U (en) Cylinder sleeve flame ring rough turning clamp
CN200984593Y (en) Accurate steel-tube cold drawing machine chucking
CN106181192B (en) It is a kind of to be used to weld oil filling pipe, the weld jig for nut of draining the oil on tank body of oil tank
CN213915563U (en) Large-diameter stainless steel pipe rounding machine
CN208944851U (en) A kind of horizontal hydraulic cold extrusion double end multi-station machine tool
CN206898237U (en) Steel pipe machine for shrinking
CN203678971U (en) Corrugated pipe opening rolling mold

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
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Huang Zhirong

Inventor after: Zhang Tongwei

Inventor after: Wang Yong

Inventor before: Zhang Tongwei

Inventor before: Wang Yong

Inventor before: Meng Haiping

Inventor before: Qi Guoping

Inventor before: Yan Shizhong

Inventor before: Pan Yang

Inventor before: Liang Yuan

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: ZHANG TONGWEI WANG YONG MENG HAIPING QI GUOPING YAN SHIZHONG PAN YANG LIANG YUAN TO: HUANG ZHIRONG ZHANG TONGWEI WANG YONG

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110406

Termination date: 20170924

CF01 Termination of patent right due to non-payment of annual fee