CN2785777Y - Continuous bright welding machine set for compound steel pipe - Google Patents
Continuous bright welding machine set for compound steel pipe Download PDFInfo
- Publication number
- CN2785777Y CN2785777Y CN 200520040364 CN200520040364U CN2785777Y CN 2785777 Y CN2785777 Y CN 2785777Y CN 200520040364 CN200520040364 CN 200520040364 CN 200520040364 U CN200520040364 U CN 200520040364U CN 2785777 Y CN2785777 Y CN 2785777Y
- Authority
- CN
- China
- Prior art keywords
- workpiece
- plug
- cooling device
- way
- soldering
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a continuous bright welding machine set for compound steel pipes, which comprises a feeding roller way and a material collection roller way. The utility model is characterized in that a welding stove is connected with a cooling device which is arranged in the same coaxial line with the feeding roller way and the material collection roller way; a front core rod mechanism is arranged between the feeding roller way and the welding stove; a rear core rod mechanism is arranged between the cooling device and the material collection roller way; the front and the rear core rod mechanisms are respectively provided with a plug head for glidingly matching with the inner wall of a workpiece tube in a sealing form; the inlet end of the welding stove and the outlet end of the cooling device are respectively provided with an annular sealing ring for glidingly matching with the outer wall of the workpiece tube. The utility model can make a body tube of a material bed used for receiving materials realize continuously feeding in the welding stove. Thus, the body tube can carry out bright welding and protect gases rapidly and brightly cooling. Thus, the utility model can stabilize and control quality and realize industrial production with low cost.
Description
Technical field
The utility model relates to a kind of soldering unit, particularly a kind of composite steel tube continuous bright soldering unit.
Background technology
With the stainless steel composite pipe is the composite steel tube of representative, is subjected to the favor in market deeply owing to its good ratio of performance to price.Factory is usually according to multiple outside user's Technology Need is on carbon steel pipes or interior multiple extraordinary thin-wall steel tube, and routine stainless-steel thin-wall pipe to be obtaining the performance of similar stainless steel tube, but because it has saved a large amount of precious metal elements, produces integrated cost and decline to a great extent.
In larger caliber, answer in the composite steel tube field; for strengthening the adhesive force of composite bed to the matrix carbon steel pipe; be inserted in the carbon steel parent tube after all adopting the outward turning of thin-walled multiple tube to cover cored solder; make three layers to fit tightly through cold group of tube reducing then; multiple tube two ends of fitting through machinery seal Head with the steel plate welding, and tube chamber vacuumizes and charges into protective gas, and the method with eddy-current heating fusing cored solder makes two-layer steel pipe seam then;, obtain the composite steel tube (see figure 2) of inner light after two terminations are excised in finishing.
Above-mentioned processing step is loaded down with trivial details, and quality is restive, and production cost is higher, and only suitable trial-production is produced, and difficulty realizes industrialization production cheaply.
The utility model content
The purpose of this utility model is to provide a kind of composite steel tube continuous bright soldering unit; base pipe after fitting to machinery realizes that continuous bright soldering and recycling-guard refrigerating gas subsequently cool off fast; can stablize the control quality, realize industrialization production cheaply.。
For achieving the above object, the utility model adopts following technical proposals:
A kind of composite steel tube continuous bright soldering unit, comprise feeding roller-way and rewinding roller-way, its feature is having a soldering oven to connect a cooling device and feeding roller-way and rewinding roller-way coaxial line layout, a preceding plug mechanism is set between feeding roller-way and soldering oven, plug mechanism after being provided with one between cooling device and the rewinding roller-way, forward and backward plug mechanism has a chock plug and workpiece inside pipe wall sealed sliding to join respectively, and the soldering oven entrance point and the cooling device port of export are respectively O-ring seal and workpiece pipe outer wall sealed sliding is joined.
The structure of above-mentioned soldering oven is: the port of export of the housing of soldering oven is connected with the entrance point of cooling device, the inner chamber of described housing is provided with a toroidal inductive heater with the workpiece coaxial line, the external intermediate frequency power supply of described induction heater, an inert gas air inlet is arranged on the described housing, be communicated with the inertia source of the gas by feed channel.
The structure of above-mentioned cooling device is: the inert gas that has circulation inertia refrigerating gas import and export to be communicated with a gas-liquid heat exchanger respectively on the housing of cooling device goes out, import, and its water entrance is communicated with water source and hot water cooling-cycle apparatus place respectively.
The structure of above-mentioned preceding plug mechanism is: preceding plug front end have described before chock plug, middle part have two adopted grooves, rear portions that guide head is arranged, described before the diameter of chock plug and guide head its external cylindrical surface and workpiece inside pipe wall slip pine are joined greater than preceding plug body diameter; Preceding chock plug is positioned at soldering oven import department O-ring seal center; At described two adopted groove places, lift jaw respectively is set supports plug, the distance between two lift jaws should be greater than the length of workpiece; The actuating bar connecting moves cylinder of lift jaw, actuating cylinder is fixedlyed connected with it; A workpiece rotation feed mechanism is set at the front end place of plug, and center also is provided with one or more workpiece transmission supporting mechanisms.
The structure of above-mentioned workpiece rotation feed mechanism is: below workpiece, settle two to support trundle, an active of end face roof pressure trundle on workpiece, initiatively trundle is by the direct transmission of motor, initiatively trundle and motor mounting thereof are on a keying support by cylinder operation, and two are supported trundle and the initiatively axis of trundle and the axis bevel installation of workpiece.
The structure of above-mentioned workpiece transmission supporting mechanism is: by lever of a cylinder operation, the two ends of lever are provided with one respectively and send supporting mechanism and a slow-motion rotary support mechanism fast to.The described supporting mechanism of sending to fast is two dish type roller and active active garden post rollers that are positioned at workpiece top roof pressure workpiece pipe outer wall that are positioned at workpiece supported underneath workpiece pipe outer wall, initiatively garden post roller is directly driven and is installed on the keying frame by cylinder operation by motor, and two dish type rollers are perpendicular with the axis and the axis of workpiece of active garden post roller; Described slow-motion rotary support mechanism is two trundles that are positioned at workpiece supported underneath workpiece pipe outer wall, the axis bevel of the axis of two trundles and workpiece is installed, and the angle at its oblique angle is identical with the installation oblique angle that described workpiece rotates the active trundle in the feed mechanism.
Symmetrical and structure is identical before and after above-mentioned back plug mechanism and the preceding plug mechanism, the back chock plug of the front end of plug is positioned at O-ring seal center, cooling device back outlet place thereafter.
An other stock shelf, the feeder of the other connection of rewinding roller-way of connecting of above-mentioned feeding roller-way.
The utility model compared with prior art, have following conspicuous characteristics and advantage: adopt soldering oven directly to be connected a cooling device in the utility model, can realize under circulation inertia cooling protection atmosphere, cooling off fast after the bright soldering thereupon, can stablize the control quality; Filling with inert gas is implemented the bright soldering of protection in soldering oven, and the workpiece of its soldering oven entrance point, O-ring seal is arranged outward and in chock plug is arranged, at the workpiece of the port of export of cooling device, also be outer O-ring seal is arranged and in chock plug is arranged, guarantee that outside air can not enter in soldering oven and the cooling device; Inert gas circular flow guarantees that in cooling device and gas-liquid heat exchanger workpiece cools off rapidly; Before and after the front and back plug of plug mechanism under the support of lift jaw and axial location plays guiding function to workpiece, and for the workpiece that enters soldering oven and cooling device provides forward and backward chock plug in the pipe, in case inert gas leaks in a large number.The active trundle axis and the axis of workpiece bevel of the workpiece rotation feed mechanism of front and back plug mechanism, then under the driving of motor, workpiece rotation low speed is pushed ahead, guarantee heating and cooling in cooling device the more evenly and not flexural deformation of workpiece in soldering oven.Therefore, base pipe (being workpiece) realization continuous bright soldering and protection subsequently after this unit can be fitted to machinery are cooled off fast, and stable control quality realizes industrialization production cheaply.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is interior multiple stainless steel partial sectional view.
Fig. 3 is the soldering oven of Fig. 1 example and the structural representation of cooling device.
Fig. 4 is that the preceding plug mechanism steel pipe of Fig. 1 example passes through schematic diagram.Wherein figure (a) is inserted in the guide head of preceding plug for workpiece, front fork is opened jaw closure state then, figure (b) is before the workpiece and then it manages the state of outer wall by the live-roller supporting, figure (c) is the front and back jaw state of all closed moment, figure (d) is the adopted groove in preceding plug middle part for workpiece passes, and front fork is opened jaw closure state then.
Fig. 5 is the construction profile schematic diagram of preceding plug mechanism.Wherein figure (a) is a front view, and figure (b) is a vertical view, and figure (c) is A-A place cutaway view among the figure (a), and figure (d) is B-B place cutaway view among the figure (a), and figure (e) is C-C place cutaway view among the figure (a).
Fig. 6 is the construction profile schematic diagram of the back plug mechanism of Fig. 1 example.Wherein figure (a) is a front view, and figure (b) is a vertical view, and figure (c) is A-A place cutaway view among the figure (a), and figure (d) is B-B place cutaway view among the figure (a), and figure (e) is C-C place cutaway view among the figure (a).
Fig. 7 is the feeding roller-way of Fig. 1 example and the structural representation of stock shelf.Wherein figure (a) is a front view, and figure (b) is a vertical view, and figure (c) is A-A place cutaway view among the figure (a), and figure (d) is B-B place cutaway view among the figure (a).
Fig. 8 is the rewinding roller-way of Fig. 1 example and the structural representation of feeder.Wherein figure (a) is a front view, and figure (b) is a vertical view, and figure (c) is E-E place cutaway view among the figure (a).
The specific embodiment
A preferred embodiment of the present utility model is (referring to Fig. 2): before the bright soldering, after in the stainless steel of 0.5mm, revolving the soldering band 12 that covers 0.02mm thickness on the pipe 13 pipe outer walls, be inserted in the straight carbon steel pipe 11 of pipe wall thickness 3-8mm, after cold group of tube reducing makes three layers to fit tightly, for the soldering of this unit light.
Referring to Fig. 1, this composite steel tube continuous bright soldering unit includes feeding roller-way 2 and rewinding roller-way 9, having a soldering oven 6 to connect a cooling device 7 arranges with feeding roller-way 2 and rewinding roller-way 9 coaxial lines, a preceding plug mechanism 3 is set between feeding roller-way 2 and soldering oven 6, plug mechanism 8 after being provided with one between cooling device 7 and the rewinding roller-way 9, before, back plug mechanism 3,8 have a chock plug 15 respectively, 24 join with workpiece 14 inside pipe wall sealed sliding, soldering oven 6 entrance points and cooling device 7 ports of export are provided with O-ring seal 16 respectively, 23 manage the outer wall sealed sliding with workpiece 14 joins, referring to Fig. 3.The structure of soldering oven 6 is: the port of export of the housing 19 of soldering oven 6 is connected with the entrance point of cooling device 7, the inner chamber of described housing 19 is provided with a toroidal inductive heater 5 with workpiece 14 coaxial lines, described induction heater 5 external intermediate frequency power supplies 4, an inert gas air inlet 17 is arranged on the described housing 19, be communicated with the inertia source of the gas by feed channel.The structure of cooling device 7 is: the inert gas that has circulation inertia refrigerating gas import and export 20,21 to be communicated with a gas-liquid heat exchanger 25 respectively on the housing 22 of cooling device 7 goes out, import 29,28, and its water entrance 26,27 is communicated with cooling water source and hot water cooling-cycle apparatus place respectively.Referring to Fig. 4 and Fig. 5, the structure of preceding plug mechanism 3 is: preceding plug 33 front ends have described preceding chock plug 15, middle part to have two adopted grooves 18, rear portions that guide head 47 is arranged, and join by its external cylindrical surface and workpiece 14 inside pipe wall slip pines greater than preceding plug 33 body diameters for the diameter of described preceding chock plug 15 and guide head 47; Preceding chock plug 15 is positioned at soldering oven 6 import departments O-ring seal 16 centers; At described two adopted groove 18 places, the distance that respectively is provided with between 33, two lift jaws of a lift jaw 31,34 support plugs 31,34 should be greater than the length of workpiece 14; The actuating bar connecting moves cylinder 32,35 of lift jaw 31,34, actuating cylinder 32,35 are fixedlyed connected with it; A workpiece rotation feed mechanism 30 is set at the front end place of plug 33, and center also is provided with one or more workpiece transmission supporting mechanisms 40.The structure of workpiece rotation feed mechanism is: below workpiece 14, settle two to support trundle 38, an active of end face roof pressure trundle 36 on workpiece 14, initiatively trundle 36 is by motor 48 direct transmissions, initiatively trundle 36 and motor 48 thereof are installed on the keying support by cylinder 37 operations, and two are supported the trundle 38 and the axis of active trundle 36 and the axis bevel of workpiece 14 and install.Referring to Fig. 6, above-mentioned back plug mechanism 8 with preceding plug mechanism 3 front and back symmetrical and structure roughly the same, the back chock plug 24 of the front end of plug 42 is positioned at cooling device 7 back outlet place O-ring seals 23 centers thereafter.Referring to Fig. 7 and Fig. 8, above-mentioned feeding roller-way 2 an other stock shelf 1, feeders 10 of rewinding roller-way 9 other connections of connecting; Described feeding roller-way 2, stock shelf, rewinding roller-way 9 and feeder 10 all adopt structure commonly used in the prior art.The adopted groove 18 at above-mentioned forward and backward plug 33,42 middle parts changes flange into, can reach same effect.Flange 18 and guide head 47 diameters only need to get final product less than workpiece 14 internal diameters, also can reach effect same.The transmission propulsive mechanism of plug 33,42 outer workpiece also can adopt other versions of live-roller gear commonly used in the known technology, can reach the transmission purpose of workpiece equally.
Referring to Fig. 7, be described from prior art, quoting the feeding roller-way 2 and the stock shelf 1 that come below: mounting 44 is arranged below the feeding roller-way 2, having a quick feeding mechanism and several support machines to constitute coaxial line on the mounting 44 arranges, referring to figure (d), its quick feeding mechanism is: two dish type rollers 41 are positioned at workpiece 14 supported underneath workpiece pipe outer walls, active trundle roof pressure workpiece 14 pipe outer walls, this active garden post roller is directly driven by motor, be installed on the keying frame by cylinder operation, two dish type rollers 41 are vertical with axis of workpiece with the axis of active garden post roller.Described supporting mechanism is: two dish type rollers are positioned at workpiece supported underneath workpiece pipe outer wall, and its axis and axis of workpiece are perpendicular.The structure of stock shelf 1 is: putting bin 49 for one, is the inclined plane above it, to feed mechanism 2 material that inclines, has a cylinder to control coaxial mounted 2-3 piece returning face plate 43, and control is by the root charging.
Referring to Fig. 8, below material receiving roller road 9 and receiving vat 10 are described, the structure of rewinding roller-way 9 is: it is some to dish type roller 41 to be coaxially set on a mounting 45, and every pair roller is positioned at workpiece 14 supported underneath workpiece pipe outer walls.Some returning face plates 43 of a cylinder 50 operations also are set on the mounting, workpiece is turned over into receiving vat 46 by root.
The operation principle of this unit is as follows: under manual or automatic electric Operational System Control, 1 material feeding in batches of (1) stock shelf is pressed the single base pipe of predetermined cadence then to feeding roller-way feeding, plug mechanism feeding forward rhythmically.(2) in preceding plug mechanism; press arts demand; by sending supporting mechanism fast to the base pipe is sent to fast; workpiece is by preceding chock plug sealing workpiece lumen; before and after the lift jaw replace that the plug axial restraint is guaranteed in lifting (referring to Fig. 4) combination and workpiece can pass through smoothly; make workpiece with before rotating at a slow speed and then by workpiece rotation feed mechanism then by soldering oven and cooling device; guarantee workpiece evenly heating and cooling under inert gas shielding; enter back plug mechanism then; after workpiece breaks away from the back chock plug fully; advancing to the rewinding roller-way fast, and plough under in the receiving vat at last.
Claims (8)
1. composite steel tube continuous bright soldering unit, comprise feeding roller-way (2) and rewinding roller-way (9), its feature is having a soldering oven (6) to connect a cooling device (7) and feeding roller-way (2) and rewinding roller-way (9) coaxial line layout, between feeding roller-way (2) and soldering oven (6), a preceding plug mechanism (3) is set, plug mechanism (8) after being provided with one between cooling device (7) and the rewinding roller-way (9), before, back plug mechanism (3), (8) chock plug (15 is arranged respectively, 24) join with workpiece (14) inside pipe wall sealed sliding, soldering oven (6) entrance point and cooling device (7) port of export are respectively O-ring seal (16,23) join with workpiece (14) pipe outer wall sealed sliding.
2. composite steel tube continuous bright soldering unit according to claim 1, the structure that it is characterized in that soldering oven (6) is: the port of export of the housing (19) of soldering oven (6) is connected with the entrance point of cooling device (7), the inner chamber of described housing (19) is provided with a toroidal inductive heater (5) with workpiece (14) coaxial line, the external intermediate frequency power supply of described induction heater (5) (4), an inert gas air inlet (17) is arranged on the described housing (19), be communicated with the inertia source of the gas by feed channel.
3. composite steel tube continuous bright soldering unit according to claim 1 and 2, the structure that it is characterized in that cooling device (7) is: the inert gas that has inertia refrigerating gas import and export (20,21) to be communicated with a gas-liquid heat exchanger (25) respectively on the housing (22) of cooling device (7) goes out, import (29,28), and its water entrance (26), (27) are communicated with cooling water source and hot water cooling-cycle apparatus place respectively.
4. composite steel tube continuous bright soldering unit according to claim 1 and 2, the structure of plug mechanism (3) is before it is characterized in that: a preceding plug (33) front end has described preceding chock plug (15), middle part to have two adopted grooves (18), rear portion that guide head (47) is arranged, and join by its external cylindrical surface and workpiece (14) inside pipe wall slip pine greater than preceding plug (33) body diameter for the diameter of described preceding chock plug (15) and guide head (47); Preceding chock plug (15) is positioned at soldering oven (6) import department's O-ring seal (16) center; Locate at described two adopted grooves (18), a lift jaw (31,34) respectively is set supports and axial restraint plug (33), the distance between two lift jaws (31), (34) should be greater than the length of workpiece (14); The actuating bar connecting moves cylinder (32,35) of lift jaw (31,34), actuating cylinder (32,35) is fixedlyed connected with it; A workpiece rotation feed mechanism (30) is set at the front end place of plug (33), and center also is provided with one or more workpiece transmission supporting mechanisms (40).
5. composite steel tube continuous bright soldering unit according to claim 4, the structure that it is characterized in that described workpiece rotation feed mechanism is: in workpiece (14) below, settle two to support trundle (38), go up an active of end face roof pressure trundle (36) at workpiece (14), initiatively trundle (36) is by directly transmission of motor (48), initiatively trundle (36) and motor (33) thereof are installed on the keying support by cylinder (37) operation, two axis bevel installations of supporting the axis and the workpiece (14) of trundle (38) and active trundle (36).
6. composite steel tube continuous bright soldering unit according to claim 4, the structure that it is characterized in that workpiece transmission supporting mechanism (40) is: by a cylinder (a 50) operation lever (51), the two ends of lever (51) are provided with one respectively and send supporting mechanism and a slow-motion rotary support mechanism fast to.The described supporting mechanism of sending to fast is that two dish type rollers (41) that are positioned at workpiece (14) supported underneath workpiece pipe outer wall and one are positioned at workpiece
(14) the active garden post roller of top roof pressure workpiece pipe outer wall, initiatively garden post roller directly drives and is installed on the keying frame by cylinder (37) operation by motor (40), and the axis and workpiece (14) axis of two dish type rollers (41) and active garden post roller are perpendicular; Described slow-motion rotary support mechanism is two trundles (38) that are positioned at workpiece (14) supported underneath workpiece pipe outer wall, the axis bevel of the axis of two trundles (38) and workpiece (14) is installed, and the angle at its oblique angle is identical with the installation oblique angle that described workpiece rotates the active trundle (36) in the feed mechanism (30).
7. composite steel tube continuous bright soldering unit according to claim 1, before and after it is characterized in that back plug mechanism (8) and preceding plug mechanism (3) symmetrical and structure roughly the same, the back chock plug (24) of the front end of plug (42) is positioned at cooling device (7) back outlet place O-ring seal (23) center thereafter.
8. composite steel tube continuous bright soldering unit according to claim 1 is characterized in that the other stock shelf (1) that connects of feeding roller-way (2), the other feeder (10) that connects of rewinding roller-way (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040364 CN2785777Y (en) | 2005-03-24 | 2005-03-24 | Continuous bright welding machine set for compound steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040364 CN2785777Y (en) | 2005-03-24 | 2005-03-24 | Continuous bright welding machine set for compound steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2785777Y true CN2785777Y (en) | 2006-06-07 |
Family
ID=36774352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520040364 Expired - Fee Related CN2785777Y (en) | 2005-03-24 | 2005-03-24 | Continuous bright welding machine set for compound steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2785777Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103459796A (en) * | 2011-04-05 | 2013-12-18 | 佛吉亚排放控制技术德国有限公司 | Exhaust conducting device and method for producing same |
| CN106270905A (en) * | 2016-08-30 | 2017-01-04 | 西安向阳航天材料股份有限公司 | The induction brazing devices and methods therefor of production metallurgy formula multiple tube under atmospheric environment |
| CN106624239A (en) * | 2017-01-16 | 2017-05-10 | 广东顺德三合工业自动化设备股份有限公司 | High-frequency brazing machine for welding compressor and liquid accumulator |
| CN109719363A (en) * | 2019-03-11 | 2019-05-07 | 江苏振栋精密材料科技有限公司 | A kind of composite steel tube continuous bright soldering unit |
| WO2024060527A1 (en) * | 2022-09-19 | 2024-03-28 | 岭东核电有限公司 | Silicon carbide composite connecting device |
-
2005
- 2005-03-24 CN CN 200520040364 patent/CN2785777Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103459796A (en) * | 2011-04-05 | 2013-12-18 | 佛吉亚排放控制技术德国有限公司 | Exhaust conducting device and method for producing same |
| CN103459796B (en) * | 2011-04-05 | 2016-05-11 | 佛吉亚排放控制技术德国有限公司 | Air discharge guide device and manufacture method thereof |
| CN106270905A (en) * | 2016-08-30 | 2017-01-04 | 西安向阳航天材料股份有限公司 | The induction brazing devices and methods therefor of production metallurgy formula multiple tube under atmospheric environment |
| CN106624239A (en) * | 2017-01-16 | 2017-05-10 | 广东顺德三合工业自动化设备股份有限公司 | High-frequency brazing machine for welding compressor and liquid accumulator |
| CN109719363A (en) * | 2019-03-11 | 2019-05-07 | 江苏振栋精密材料科技有限公司 | A kind of composite steel tube continuous bright soldering unit |
| WO2024060527A1 (en) * | 2022-09-19 | 2024-03-28 | 岭东核电有限公司 | Silicon carbide composite connecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2785777Y (en) | Continuous bright welding machine set for compound steel pipe | |
| CN212217402U (en) | Net frame conical head positioning machine | |
| CN113770608A (en) | Channel type vacuum welding furnace | |
| KR20200048243A (en) | Modular jig device for pipe welding | |
| CN113996977A (en) | Automatic welding machine, automatic welding system and method for automatically welding bent pipe | |
| CN104668708B (en) | Full-automatic welding and annealing machine | |
| CN208450950U (en) | Butt-welding elbow automatic welding machine | |
| CN216912581U (en) | Channel type vacuum welding furnace | |
| CN2799122Y (en) | Centering -free rotary forming flanger | |
| CN216151423U (en) | Seam welder that system jar enterprise used | |
| CN210549334U (en) | Plug and screw cap assembling device for seam beautifying pipe | |
| CN104875018B (en) | Device used for assembling nuts and magnesium rods in butt joint mode | |
| CN107159987A (en) | A kind of flame heating and soldering equipment | |
| CN208772827U (en) | Multi-angle welding mechanism | |
| CN112676400A (en) | Bending device convenient to control return bend processing angle | |
| CN208977035U (en) | Multi-angle automatic welding mechanism | |
| CN219025679U (en) | Pipe flaring device | |
| CN108672870A (en) | Automate hot welding press and its production technology | |
| CN105382367B (en) | Numerical control annular electric welding machine | |
| CN216681095U (en) | Device for manufacturing lining stainless steel pipe sleeve of lining plastic composite pipe orifice | |
| CN212093878U (en) | Corrugated pipe forming machine | |
| CN209849548U (en) | Feeding device for copper pipe rolling machine | |
| CN219484492U (en) | Stainless steel pipe welding mechanism | |
| CN214079870U (en) | Automatic welding and feeding device for aluminum alloy pipe fittings | |
| CN216882202U (en) | Welding head of automatic pipeline welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060607 Termination date: 20110324 |