CN102139292A - Production equipment for composite steel pipe - Google Patents

Production equipment for composite steel pipe Download PDF

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Publication number
CN102139292A
CN102139292A CN 201110029665 CN201110029665A CN102139292A CN 102139292 A CN102139292 A CN 102139292A CN 201110029665 CN201110029665 CN 201110029665 CN 201110029665 A CN201110029665 A CN 201110029665A CN 102139292 A CN102139292 A CN 102139292A
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China
Prior art keywords
lathe bed
dolly
outer tube
pipe
tube
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CN 201110029665
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Chinese (zh)
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CN102139292B (en
Inventor
刘洪�
谢建春
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China Chemical Equipment Technology Group Co ltd
JIANGSU LONGCHENG HONGLI HYDRAULIC EQUIPMENT CO Ltd
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Jiangsu Longcheng Hongli Hydraulic Equipment Co Ltd
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Priority to CN2011100296651A priority Critical patent/CN102139292B/en
Publication of CN102139292A publication Critical patent/CN102139292A/en
Application granted granted Critical
Publication of CN102139292B publication Critical patent/CN102139292B/en
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Abstract

The invention relates to production equipment for a composite steel pipe. The production equipment consists of a hydraulic two-wire cold drawing machine and a steel pipe composite sheathing machine. The hydraulic two-wire cold drawing machine is used for single pipe drawing of inner and outer steel pipes to be composited so that the pipe diameters and the wall thicknesses of the inner and outer steel pipes reach the requirements before compositing, and is also used for composite drawing of the composited and sheathed inner and outer steel pipes so that the inner surface of the outer steel pipe is tightly coated on the outer surface of the inner steel pipe; and the composite sheathing process of the inner and outer steel pipes is performed by the steel pipe composite sheathing machine. The production equipment for the composite steel pipe can produce the high-quality composite steel pipe, has high automation degree and high work efficiency, and is simple and convenient for operation.

Description

The production equipment of composite steel tube
Technical field
The present invention relates to a kind of production equipment of composite steel tube.
Background technology
In modern project is built, as at large-scale concrete station, heavy waggon jib, shopping centre concrete carry, and in industry mass transport such as electric power, metallurgy, coal, mine, cement or the like the occasion, extensively need to use have excellent abrasive energy, thermal shock resistance, mechanical shock resistance, higher-strength and toughness, steel pipe that weldability is good.The steel pipe of present single material will reach above-mentioned requirements and be difficult to realize, and can increase the cost of product greatly, yet if two kinds of steel pipes with different mechanical performance materials can be carried out Compound Machining, can address this problem well, reduce financial cost simultaneously.Specifically, can adopt have high-wear resistance, the steel pipe of high thermal shock resistance, higher-strength is as interior pipe lining core, the good steel pipe of high tenacity, high mechanical shock resistance, weldability is arranged as outer tube in its outer cover harness, two pipes that again cover installed are done corresponding Compound Machining.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of production equipment of composite steel tube is provided, and purpose is to produce high-quality composite steel tube, and is required with every profession and trade production at present.
The technical solution adopted for the present invention to solve the technical problems is: a kind of production equipment of composite steel tube, form by fluid pressure type two line drawbenches and the compound sleeving machine of steel pipe.Fluid pressure type two line drawbenches both had been used to treat compound inside and outside steel pipe and had carried out the single tube draw, make caliber, the wall thickness of inside and outside steel pipe reach compound preceding requirement, also be used for the inside and outside steel pipe that compound cover installs is carried out compound draw, the inner surface of outer steel pipe closely is coated on the outer surface of interior steel pipe; The compound suit manufacturing procedure of inside and outside steel pipe is then undertaken by the compound sleeving machine of steel pipe.
Described fluid pressure type two line drawbenches are by hydraulic system, main engine bed, drawing mechanism, the system head mechanism, core bar mechanism, automatic loading and unloading mechanism and electric-control system are formed, hydraulic system includes master cylinder, main engine bed is by the cylinder seat, three main parts of main lathe bed and die holder are formed, master cylinder is installed on the cylinder seat, main lathe bed is provided with guide rail, two nibs about die holder has, one secondary drawing mould respectively is installed in two nibs, drawing mechanism includes the drawing dolly that is driven by master cylinder, the drawing dolly is arranged on the guide rail of main lathe bed, the drawing dolly has two secondary drawing clamps, the system head mechanism includes base, ejector sleeve lathe bed and tailstock, base is provided with two secondary parallel and base pipe carriers that have the v-shaped tube groove, each is corresponding with a secondary drawing mould position for two secondary base pipe carriers, directly over the v-shaped tube groove of each base pipe carrier, all be arranged at intervals with the V-type pinch roller that several are helped by the pinch roller frame location, the ejector sleeve lathe bed is provided with two secondary guide rails, each is corresponding with a secondary base pipe carrier position for two secondary guide rails, respectively be provided with an ejector sleeve dolly on the two secondary guide rails, two system hair oil cylinders are installed on the tailstock, two system hair oil cylinders respectively drive an ejector sleeve dolly, core bar mechanism includes core bar and core bar dolly, and automatic loading and unloading mechanism includes the automatic charging device of the two secondary base pipe carrier sides that are arranged on the system head mechanism and the frame that connects material of connect material ejector sleeve device and main lathe bed opposite side that is arranged on main lathe bed one side of drawing mechanism.Automatic charging device has bin and by rod for stiring materials of air cylinder driven, rod for stiring materials is transferred to from bin the base pipe by root, make in its v-shaped tube groove that tumbles two secondary base pipe carriers respectively, core bar feeding LAP then, then the V-type pinch roller presses down, cooperate the v-shaped tube groove to compress the base pipe, do not bend to guarantee the base pipe in pushed process, to keep stable, the center line of base pipe is consistent with the center line of drawing mould, the ejector sleeve dolly promotes the base pipe by drawing mould system head, core bar stops before being fed into die holder once more, then ejector sleeve dolly playback, carry out drawing clamped the drawing process head of base pipe by the clamp of drawing dolly after, drawing finishes the back and will manage by the ejector sleeve device that connects material of main lathe bed one side and expect to push away in the frame that connects material that drops down onto main lathe bed opposite side.
The compound sleeving machine of described steel pipe includes the outer tube lathe bed of band tube seat, the outer tube automatic charging device, outer tube push and block dolly, the interior pipe lathe bed of band tube seat, interior pipe automatic charging device, interior pipe ejector sleeve dolly and centering positioner, outer tube lathe bed and interior pipe lathe bed subtend are provided with, the tube seat center line unanimity of two lathe beds, the centering positioner is arranged between two adjacent terminations of two lathe beds, the centering positioner includes the positioning sleeve that can move along the direction at the tube seat center line place of two lathe beds, outer tube automatic charging device and interior pipe automatic charging device are arranged at the side of outer tube lathe bed and interior pipe lathe bed respectively, and outer tube push and block dolly and interior pipe ejector sleeve dolly are arranged on respectively on outer tube lathe bed and the interior pipe lathe bed movably.During the work of this machine at first by interior, the outer tube automatic charging device respectively inwardly, outer lathe bed material loading, in, the outer tube automatic charging device all has bin and by rod for stiring materials of air cylinder driven, rod for stiring materials is transferred to the base pipe by root, make in its tube seat that tumbles corresponding lathe bed, by outer tube push and block dolly outer base pipe is passed to the centering positioner along the tube seat of outer tube lathe bed then, the place stops to assigned position, outer tube push and block dolly location, the positioning sleeve of centering positioner is to the outer base pipe end feeding that arrives assigned address then, make positioning sleeve be socketed in the termination of outer base pipe, the base pipe advanced to the centering positioner along the tube seat of interior pipe lathe bed in pipe ejector sleeve dolly promoted then, and enter in the outer base pore by the positioning sleeve of centering positioner, last outer tube push and block dolly, interior pipe ejector sleeve dolly oppositely moves and resets, the termination that the positioning sleeve of centering positioner withdraws from outer base pipe resets, and once the compound suit of pipe material finishes.The positioning sleeve of centering positioner has been expected location and the effect that guides to pipe in whole compound cover process of assembling.
The height of the v-shaped tube groove of described base pipe carrier and the height of V-type pinch roller all can be regulated, to adapt to the base pipe processing of different size.
Described outer tube push and block dolly and interior pipe ejector sleeve dolly drive by reducing motor and move, and the positioning sleeve of centering positioner is moved by air cylinder driven.
In order further to increase work efficiency, reduce working strength of workers, on the outer tube lathe bed, also be provided with the tilting trestle that is used for discharging, tilting trestle is overturn by air cylinder driven, is provided with the frame that gathers materials accordingly at outer tube lathe bed side.Treat that the compound suit of inside and outside base pipe finishes, after the positioning sleeve of centering positioner withdrawed from outer base pipe end, tilting trestle ejected multiple tube from the tube seat of outer tube lathe bed, turned in the frame that gathers materials that drops down onto outer tube lathe bed side.
The invention has the beneficial effects as follows: the production equipment of this composite steel tube can be produced high-quality composite steel tube, automation degree of equipment height, easy and simple to handle, high efficiency.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the main TV structure schematic diagram of fluid pressure type two line drawbenches among the present invention;
Fig. 2 is the plan structure schematic diagram of fluid pressure type two line drawbenches;
Fig. 3 is the main TV structure schematic diagram of the compound sleeving machine of steel pipe among the present invention;
Fig. 4 to Fig. 6 is worker's attitude figure (being undertaken by the figure preface) that the inside and outside pipe of centering positioner location, guiding of the compound sleeving machine of steel pipe carries out suit.
Among the figure: 1. main lathe bed 4. die holders 5. draw trolleys 6. bases 7. ejector sleeve lathe beds 8. tailstocks 9. base pipe carriers 10. pinch roller frames 11. pushing trolleys of master cylinder 2. cylinder seats 3. 12. core bar mechanisms 13. automatic charging devices 14. ejector sleeve device 15. frame 16. outer tube lathe beds 17. outer tube automatic charging devices 18. outer tube push and block dollies 19. inner tube lathe beds 20. inner tube automatic charging devices 21. inner tube pushing trolleys 22. alignment positioning device 22-1. positioning sleeves 23. tilting trestles 24. frame 25. outer base pipe 26. interior base pipes that gather materials that connect material that connect material
The specific embodiment
A kind of production equipment of composite steel tube is made up of fluid pressure type two line drawbenches and the compound sleeving machine of steel pipe.Fluid pressure type two line drawbenches both had been used to treat compound inside and outside steel pipe and had carried out the single tube draw, make caliber, the wall thickness of inside and outside steel pipe reach compound preceding requirement, also be used for the inside and outside steel pipe that compound cover installs is carried out compound draw, the inner surface of outer steel pipe closely is coated on the outer surface of interior steel pipe; The compound suit manufacturing procedure of inside and outside steel pipe is then undertaken by the compound sleeving machine of steel pipe.
As Fig. 1, shown in Figure 2, fluid pressure type two line drawbenches are by hydraulic system, main engine bed, drawing mechanism, the system head mechanism, core bar mechanism 12, automatic loading and unloading mechanism and electric-control system are formed, hydraulic system includes master cylinder 1, main engine bed is by cylinder seat 2,4 three main parts of main lathe bed 3 and die holder are formed, master cylinder 1 is installed on the cylinder seat 2, main lathe bed 3 is provided with guide rail, two nibs about die holder 4 has, one secondary drawing mould respectively is installed in two nibs, drawing mechanism includes the drawing dolly 5 that is driven by master cylinder 1, drawing dolly 5 is arranged on the guide rail of main lathe bed 3, drawing dolly 5 has two secondary drawing clamps, the system head mechanism includes base 6, ejector sleeve lathe bed 7 and tailstock 8, base 6 is provided with two secondary parallel and base pipe carriers 9 that have the v-shaped tube groove, each is corresponding with a secondary drawing mould position for two secondary base pipe carriers 9, directly over the v-shaped tube groove of each base pipe carrier 9, all be arranged at intervals with the V-type pinch roller that several are helped by pinch roller frame 10 location, ejector sleeve lathe bed 7 is provided with two secondary guide rails, each is corresponding with a secondary base pipe carrier 9 positions for two secondary guide rails, respectively be provided with an ejector sleeve dolly 11 on the two secondary guide rails, two system hair oil cylinders are installed on the tailstock 8, two system hair oil cylinders respectively drive an ejector sleeve dolly 11, core bar mechanism 12 includes core bar and core bar dolly, and automatic loading and unloading mechanism includes the automatic charging device 13 of two secondary base pipe carrier 9 sides that are arranged on the system head mechanism and the frame 15 that connects material of connect material ejector sleeve device 14 and main lathe bed 3 opposite sides that is arranged on main lathe bed 3 one sides of drawing mechanism.Automatic charging device 13 has bin and by rod for stiring materials of air cylinder driven, rod for stiring materials is transferred to from bin the base pipe by root, make in its v-shaped tube groove that tumbles two secondary base pipe carriers 9 respectively, core bar feeding LAP then, then the V-type pinch roller presses down, cooperate the v-shaped tube groove to compress the base pipe, do not bend to guarantee the base pipe in pushed process, to keep stable, the center line of base pipe is consistent with the center line of drawing mould, ejector sleeve dolly 11 promotes the base pipe by drawing mould system head, core bar stops before being fed into die holder 4 once more, then ejector sleeve dolly 11 playback, carry out drawing clamped the drawing process head of base pipe by the clamp of drawing dolly 5 after, drawing finishes the back and will manage by the ejector sleeve device 14 that connects material of main lathe bed 3 one sides and expect to push away in the frame 15 that connects material that drops down onto main lathe bed 3 opposite sides.
As shown in Figure 3, the compound sleeving machine of steel pipe includes the outer tube lathe bed 16 of band tube seat, outer tube automatic charging device 17, outer tube push and block dolly 18, the interior pipe lathe bed 19 of band tube seat, interior pipe automatic charging device 20, interior pipe ejector sleeve dolly 21 and centering positioner 22, outer tube lathe bed 16 and interior pipe lathe bed 19 subtend settings, the tube seat center line unanimity of two lathe beds, centering positioner 22 is arranged between two adjacent terminations of two lathe beds, centering positioner 22 includes the positioning sleeve 22-1 that can move along the direction at the tube seat center line place of two lathe beds, outer tube automatic charging device 17 and interior pipe automatic charging device 20 are arranged at the side of outer tube lathe bed 16 and interior pipe lathe bed 19 respectively, and outer tube push and block dolly 18 and interior pipe ejector sleeve dolly 21 are arranged on respectively on outer tube lathe bed 16 and the interior pipe lathe bed 19 movably.During the work of this machine at first by interior, the outer tube automatic charging device respectively inwardly, outer lathe bed material loading, in, the outer tube automatic charging device all has the rod for stiring materials by air cylinder driven, rod for stiring materials is transferred to the base pipe by root, make in its tube seat that tumbles corresponding lathe bed, extremely shown in Figure 6 as Fig. 4 then, by outer tube push and block dolly 18 outer base pipe 25 is passed to centering positioner 22 along the tube seat of outer tube lathe bed 16, the place stops to assigned position, outer tube push and block dolly 18 location, the positioning sleeve 22-1 of centering positioner 22 is to the outer base pipe 25 termination feedings that arrive assigned address, cause the termination that positioning sleeve 22-1 is socketed in outer base pipe 25, base pipe 26 advanced to centering positioner 22 along the tube seat of interior pipe lathe bed 19 in pipe ejector sleeve dolly 21 promoted then, and enter in outer base pipe 25 holes by the positioning sleeve 22-1 of centering positioner 22, last outer tube push and block dolly 18, interior pipe ejector sleeve dolly 21 oppositely moves and resets, the termination that the positioning sleeve 22-1 of centering positioner 22 withdraws from outer base pipe 25 resets, and once the compound suit of pipe material finishes.The positioning sleeve 22-1 of centering positioner 22 has expected location and the effect that guides to pipe in whole compound cover process of assembling.
The height of the v-shaped tube groove of base pipe carrier 9 and the height of V-type pinch roller all can be regulated, to adapt to the base pipe processing of different size.
Outer tube push and block dolly 18 drives by reducing motor with interior pipe ejector sleeve dolly 21 and moves, and the positioning sleeve 22-1 of centering positioner 22 is moved by air cylinder driven.
In order further to increase work efficiency, reduce working strength of workers, outer tube lathe bed 16 is provided with the tilting trestle 23 that is used for discharging, and tilting trestle 23 is provided with the frame 24 that gathers materials accordingly by the air cylinder driven upset at outer tube lathe bed 16 sides.Treat that the compound suit of inside and outside base pipe finishes, after the positioning sleeve 22-1 of centering positioner 22 withdrawed from outer base pipe 25 terminations, tilting trestle 23 ejected multiple tube from the tube seat of outer tube lathe bed 16, turned in the frame 24 that gathers materials that drops down onto outer tube lathe bed 16 sides.

Claims (5)

1. the production equipment of a composite steel tube is characterized in that: be made up of fluid pressure type two line drawbenches and the compound sleeving machine of steel pipe;
Described fluid pressure type two line drawbenches are by hydraulic system, main engine bed, drawing mechanism, the system head mechanism, core bar mechanism (12), automatic loading and unloading mechanism and electric-control system are formed, hydraulic system includes master cylinder (1), main engine bed is by cylinder seat (2), (4) three main parts of main lathe bed (3) and die holder are formed, master cylinder (1) is installed on the cylinder seat (2), main lathe bed (3) is provided with guide rail, two nibs about die holder (4) has, one secondary drawing mould respectively is installed in two nibs, drawing mechanism includes the drawing dolly (5) that is driven by master cylinder (1), drawing dolly (5) is arranged on the guide rail of main lathe bed (3), drawing dolly (5) has two secondary drawing clamps, the system head mechanism includes base (6), ejector sleeve lathe bed (7) and tailstock (8), base (6) is provided with two secondary parallel and base pipe carriers (9) that have the v-shaped tube groove, each is corresponding with a secondary drawing mould position for two secondary base pipe carriers (9), directly over the v-shaped tube groove of each base pipe carrier (9), all be arranged at intervals with the V-type pinch roller that several are helped by pinch roller frame (10) location, ejector sleeve lathe bed (7) is provided with two secondary guide rails, each is corresponding with secondary base pipe carrier (a 9) position for two secondary guide rails, respectively be provided with an ejector sleeve dolly (11) on the two secondary guide rails, two system hair oil cylinders are installed on the tailstock (8), two system hair oil cylinders respectively drive an ejector sleeve dolly (11), core bar mechanism (12) includes core bar and core bar dolly, and automatic loading and unloading mechanism includes the automatic charging device (13) of two secondary base pipe carrier (9) sides that are arranged on the system head mechanism and the frame that connects material (15) of connect material ejector sleeve device (14) and main lathe bed (3) opposite side that is arranged on main lathe bed (3) one sides of drawing mechanism;
The compound sleeving machine of described steel pipe includes the outer tube lathe bed (16) of band tube seat, outer tube automatic charging device (17), outer tube push and block dolly (18), the interior pipe lathe bed (19) of band tube seat, interior pipe automatic charging device (20), interior pipe ejector sleeve dolly (21) and centering positioner (22), outer tube lathe bed (16) and interior pipe lathe bed (19) subtend setting, the tube seat center line unanimity of two lathe beds, centering positioner (22) is arranged between two adjacent terminations of two lathe beds, centering positioner (22) includes the positioning sleeve (22-1) that can move along the direction at the tube seat center line place of two lathe beds, outer tube automatic charging device (17) and interior pipe automatic charging device (20) are arranged at the side of outer tube lathe bed (16) and interior pipe lathe bed (19) respectively, and outer tube push and block dolly (18) and interior pipe ejector sleeve dolly (21) are arranged on respectively on outer tube lathe bed (16) and the interior pipe lathe bed (19) movably.
2. the production equipment of composite steel tube according to claim 1, it is characterized in that: the height of the v-shaped tube groove of described base pipe carrier (9) and the height of V-type pinch roller all can be regulated.
3. the production equipment of composite steel tube according to claim 1 is characterized in that: described outer tube push and block dolly (18) drives by reducing motor with interior pipe ejector sleeve dolly (21) and moves.
4. the production equipment of composite steel tube according to claim 1, it is characterized in that: the positioning sleeve (22-1) of described centering positioner (22) is moved by air cylinder driven.
5. the production equipment of composite steel tube according to claim 1, it is characterized in that: on described outer tube lathe bed (16), also be provided with the tilting trestle (23) that is used for discharging, tilting trestle (23) is provided with the frame that gathers materials accordingly (24) by the air cylinder driven upset at outer tube lathe bed (16) side.
CN2011100296651A 2011-01-27 2011-01-27 Production equipment for composite steel pipe Active CN102139292B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102172663A (en) * 2011-01-27 2011-09-07 江苏龙城洪力液压设备有限公司 Production technology and equipment for composite steel tubes
CN102319752A (en) * 2011-09-07 2012-01-18 韦英发 Equipment for producing steel pipes
CN102867594A (en) * 2012-09-25 2013-01-09 苏州华铜复合材料有限公司 Automatic device for sleeving aluminium bar into copper tube
CN103272875A (en) * 2013-04-28 2013-09-04 广西南南铝箔有限责任公司 Aluminium foil pipe production device
CN105268760A (en) * 2015-11-09 2016-01-27 安吉县鹏大钢管有限公司 Steel pipe machining system
CN113695853A (en) * 2021-08-31 2021-11-26 王月 Stainless steel pipe and manufacturing process thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688906A (en) * 1950-05-09 1954-09-14 Vadotub Ag Method and means for the manufacture of flexible tubes
GB1191797A (en) * 1968-07-15 1970-05-13 Valley Metallurg Proc Company Method of Reforming Tubular Metal Blanks into Inner-Fin Tubes
JPS61154715A (en) * 1984-12-27 1986-07-14 Showa Alum Corp Production of grooved duplex tube
JPH09170610A (en) * 1995-12-19 1997-06-30 Hitachi Ltd Method of joining zirconium alloy tube with stainless steel tube
CN1389341A (en) * 2002-07-02 2003-01-08 甘国工 Inflating making process and apparatus of spiral wound steel wire reinforced composite plastic pipe
CN2759630Y (en) * 2004-11-30 2006-02-22 方大集团股份有限公司 Pipe expanding machine for processing metal multiple-unit tube
CN201969743U (en) * 2011-01-27 2011-09-14 江苏龙城洪力液压设备有限公司 Production equipment of composite steel pipe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688906A (en) * 1950-05-09 1954-09-14 Vadotub Ag Method and means for the manufacture of flexible tubes
GB1191797A (en) * 1968-07-15 1970-05-13 Valley Metallurg Proc Company Method of Reforming Tubular Metal Blanks into Inner-Fin Tubes
JPS61154715A (en) * 1984-12-27 1986-07-14 Showa Alum Corp Production of grooved duplex tube
JPH09170610A (en) * 1995-12-19 1997-06-30 Hitachi Ltd Method of joining zirconium alloy tube with stainless steel tube
CN1389341A (en) * 2002-07-02 2003-01-08 甘国工 Inflating making process and apparatus of spiral wound steel wire reinforced composite plastic pipe
CN2759630Y (en) * 2004-11-30 2006-02-22 方大集团股份有限公司 Pipe expanding machine for processing metal multiple-unit tube
CN201969743U (en) * 2011-01-27 2011-09-14 江苏龙城洪力液压设备有限公司 Production equipment of composite steel pipe

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102172663A (en) * 2011-01-27 2011-09-07 江苏龙城洪力液压设备有限公司 Production technology and equipment for composite steel tubes
CN102172663B (en) * 2011-01-27 2013-06-19 江苏龙城洪力液压设备有限公司 Production technology and equipment for composite steel tubes
CN102319752A (en) * 2011-09-07 2012-01-18 韦英发 Equipment for producing steel pipes
CN102867594A (en) * 2012-09-25 2013-01-09 苏州华铜复合材料有限公司 Automatic device for sleeving aluminium bar into copper tube
CN103272875A (en) * 2013-04-28 2013-09-04 广西南南铝箔有限责任公司 Aluminium foil pipe production device
CN105268760A (en) * 2015-11-09 2016-01-27 安吉县鹏大钢管有限公司 Steel pipe machining system
CN105268760B (en) * 2015-11-09 2017-03-29 安吉县鹏大钢管有限公司 A kind of steel pipe system of processing
CN113695853A (en) * 2021-08-31 2021-11-26 王月 Stainless steel pipe and manufacturing process thereof

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Effective date of registration: 20230928

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Address before: Gu Zhuang Industrial Park Wujin District 213134 Jiangsu Benniu town in Changzhou Province

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