CN202114469U - Automatic forming and welding equipment for reducing joint pipe fitting - Google Patents

Automatic forming and welding equipment for reducing joint pipe fitting Download PDF

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Publication number
CN202114469U
CN202114469U CN2011201850984U CN201120185098U CN202114469U CN 202114469 U CN202114469 U CN 202114469U CN 2011201850984 U CN2011201850984 U CN 2011201850984U CN 201120185098 U CN201120185098 U CN 201120185098U CN 202114469 U CN202114469 U CN 202114469U
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CN
China
Prior art keywords
core rod
cylinder
welding
pipe fitting
hydraulic press
Prior art date
Application number
CN2011201850984U
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Chinese (zh)
Inventor
胡萍辉
黄明辉
陈馨
孙杰
郑温宇
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浙江天兴管业有限公司
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Priority to CN2011201850984U priority Critical patent/CN202114469U/en
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Publication of CN202114469U publication Critical patent/CN202114469U/en

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Abstract

The utility model belongs to the technical field of pipe fitting processing and relates to automatic forming and welding equipment for a metal reducing joint pipe fitting. The automatic forming and welding equipment for the reducing joint pipe fitting comprises a forming die, a hydraulic press pedestal for fixing the forming die and an argon arc welding device which is driven by an air cylinder to realize automatic welding, wherein the forming die comprises a die cavity, a die core, a die spindle and a side die; the die cavity is fixed on the hydraulic press pedestal; and a hydraulic press component used for driving the side die and the die core to realize that a thin-wall sheet is formed into a half-finished reducing pipe fitting is arranged on the hydraulic press pedestal. When the equipment is in use, the stamped sheet is placed in the die cavity, the two critical procedures, namely forming and welding, are completed automatically, a half-finished product is taken out, and the discharge is continued for the circulation production; and therefore, the forming and welding time of the product is greatly reduced.

Description

Reducing joint pipe fitting automatic moulding welding equipment
Technical field
The utility model belongs to the pipe fitting processing technique field, relates to a kind of automatic equipment of metal reducing joint pipe fitting moulding welding.
Background technology
On the method for the metal reducing joint pipe fitting of making uniform wall thickness, adopt the technology of thin-walled plate shaping welding basically at present.Traditional method is: blanking, offhand, manual welding, shaping, scarfing, surface treatment 6 procedures, wherein moulding, weld the quality that this 2 procedure directly determines product.Yet this employing beaten the product that moulding and artificial welding production come out by hand, and workman's technical merit is had relatively high expectations, and labor intensive is many, and yield of products is low, and the production time is long, is unfavorable for producing in enormous quantities.
Summary of the invention
The utility model provides a kind of succinct, efficient, stable reducing joint pipe fitting automatic moulding welding equipment; Utilize the product of this device fabrication; Size Control puts in place; Wall thickness is even, and qualification rate is high, has solved waste of manpower, the waste raw material of existing traditional handicraft, the characteristics of unstable product quality.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
A kind of reducing joint pipe fitting automatic moulding welding equipment; Comprise mould, be fixed into the hydraulic press pedestal of type die and can realize the argon arc welding welder of welding automatically through air cylinder driven; Mould comprises die cavity, core rod, core rod axle and side form; Die cavity is fixed on the hydraulic press pedestal, is equipped with on the hydraulic press pedestal to be used to drive side form and core rod and to realize the thin-walled plate is molded into the half-finished hydraulic press assembly of reducing fittings.The hydraulic press main cylinder piston-rod promotes cylinder bracket and moves up and down, and oil cylinder is fixed on an end of cylinder bracket, and the side cylinder piston rod of both sides connects into type die-side form, and the side cylinder piston rod promotes side form and does side-to-side movement, and the hydraulic press pedestal is connected with mould-die cavity.This equipment only need be placed in the die cavity by the plate that punching press is good in use, and moulding afterwards, welding 2 road critical processes are accomplished automatically, then half product are taken out, and continue blowing and carry out cyclic production, have shortened the moulding and the weld interval of product greatly.
As preferably; Described hydraulic press assembly comprises hydraulic press master cylinder, oil cylinder and hydraulic pressure pusher side cylinder; Two are used to drive side form and cooperate with core rod and realize the thin-walled plate is molded into the both sides that the half-finished hydraulic pressure pusher side of reducing fittings cylinder symmetry is installed on the hydraulic press pedestal, and the piston rod of hydraulic pressure pusher side cylinder links to each other with side form.
As preferably; The piston rod of described hydraulic press master cylinder is connected with cylinder bracket; It is L shaped that cylinder bracket is, and cylinder bracket is equipped with oil cylinder and argon arc welding welder, and the piston rod of oil cylinder is hinged through an end of movable rod and core rod axle; The other end and the cylinder bracket of core rod axle are hinged, and described core rod is enclosed within on the core rod axle.
As preferably; Described argon arc welding welder comprises vertical Rodless cylinder, Rodless cylinder, welding gun fixed mount, hue angle support and welding gun; Hue angle support one end is fixedly connected with the slide unit of vertical Rodless cylinder; The hue angle support other end and Rodless cylinder flexibly connect, and welding gun is fixed on the slide unit of Rodless cylinder through the welding gun fixed mount.Welding gun is fixed on the welding gun fixed mount, and the welding gun fixed mount is installed in also can be along the guide rod side-to-side movement of Rodless cylinder on the Rodless cylinder; The Rodless cylinder activity is fixed on the hue angle support, can let Rodless cylinder become 0 °~45 ° angles with horizontal plane through parbuckle screw, and then makes welding gun and need solder side vertical, and the hue angle support is installed on the vertical Rodless cylinder, can move up and down along guide rod.
As preferably, described die cavity is fixed on the hydraulic press pedestal through base plate.
As preferably; Die cavity both sides along continuous straight runs is provided with T-slot; The middle part of die cavity is provided with the core rod groove that is used to place core rod; Core rod groove coaxial direction is provided with core rod axle holddown groove, and the upper surface of die cavity is provided with the plate of reducing fittings product to be processed and launches the plate groove that size dimension matches, and the axis of T-slot and core rod groove is perpendicular.
As preferably; Left and right sides side form is the left-right symmetric structure, and the side form bottom is provided with T shape piece, and T shape piece cooperates with the T-slot of die cavity; Side form is provided with and the consistent cambered surface of reducing fittings product radian to be processed, also be provided with on the side form 7 with core rod on soldering opening direction and the welding groove of position consistency.
As preferably, core rod is the circular cone shape of hollow, and its shape matches with the size and dimension of reducing fittings product to be processed, and core rod stub end bottom is provided with the annular edge of a circle; The core rod axle is provided with flat key and makes and have one of soldering opening on the core rod and face up fixingly, and core rod has the flat key groove with respect to the position of flat key.The core rod axle is provided with flat key, and the core rod direction of principal axis is fixed.The little head end of core rod axle can be connected through pin with cylinder bracket; Do lever motion through the fixing end of pin fulcrum; The core rod axle other end (stub end) is connected with the oil cylinder piston bar through movable rod; Reciprocating motion through oil cylinder piston moves up and down, and mould-side form links to each other with hydraulic pressure pusher side cylinder piston rod, does side-to-side movement through the reciprocating motion of side cylinder piston.Further preferred, the thickness on the annular edge on the core rod >=reducing fittings thickness of product to be processed.
Therefore, compare with existing moulding welding manual mode of operation, the advantage of this reducing joint pipe fitting automatic moulding welding equipment is:
1, this device structure is simple, and cost is low, realizes that the driving member and the electric original paper of operation all are the most frequently used automatically.
2, easy and simple to handle, do not need the higher professional technique of operator can accomplish the moulding welding operation of pipe fitting.
3, the pipe fitting yield rate through this equipment making is very high, can practice thrift a large amount of costs of raw material and manual work.
4, the reducing fittings size Control of this equipment making is more accurate, and wall thickness is even, owing to be that equipment welds automatically, the quality of solder side is guaranteed.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Fig. 2 is the left view of the utility model.
Fig. 3 is the right view of the utility model.
Fig. 4 is the positive perspective view that the utility model is removed the hydraulic press master cylinder.
Fig. 5 is the back perspective view that the utility model is removed the hydraulic press master cylinder.
Fig. 6 is the utility model argon arc welding welder Facad structure sketch map.
Fig. 7 is the utility model argon arc welding welder back structural representation.
Fig. 8 is the perspective view of the utility model core rod.
Fig. 9 is the plan structure sketch map of the utility model core rod.
Figure 10 is the perspective view of the utility model die cavity.
Figure 11 is the plan structure sketch map of the utility model die cavity.
Figure 12 is the left TV structure sketch map of the utility model die cavity.
Figure 13 is the perspective view of the utility model side form.
Figure 14 is the plan structure sketch map of the utility model side form.
Figure 15 is the Facad structure sketch map of the utility model side form.
Figure 16 is the plate blanking shape sketch map of the utility model reducing fittings product to be processed.
Figure 17 is the combining structure sketch map of the utility model mould before plate shaping.
Figure 18 is the combining structure sketch map of the utility model mould behind plate shaping.
Figure 19 is the combining structure sketch map of the utility model mould after the welding of reducing fittings semi-finished product.
Label declaration: hydraulic press pedestal 1, hydraulic pressure pusher side cylinder 2, hydraulic press master cylinder 3, oil cylinder 4, die cavity 6, side form 7, core rod 8; Core rod axle 9, cylinder bracket 10, base plate 11, vertical Rodless cylinder 12, Rodless cylinder 13, hue angle support 14; Welding gun 15, welding gun fixed mount 16, movable rod 17, trip bolt 18, slack adjuster 19, oil cylinder pin 20; Pin 21, movable rod pin 22, T-slot 61, core rod groove 62, plate groove 63, core rod axle holddown groove 64; T shape piece 71, cambered surface 72, welding groove 73, soldering opening 81, flat key groove 82, annular is along 83.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Employed technology in following examples unless stated otherwise, is routine techniques known to those skilled in the art; Employed instrument and equipment, reagent etc., only this specification specifies, what the research that is this area and technical staff can be through public approach acquisitions.
Embodiment:
Like Fig. 1, Fig. 2 and a kind of reducing joint pipe fitting automatic moulding welding equipment shown in Figure 3; Comprise mould, be fixed into the hydraulic press pedestal 1 of type die and can realize the argon arc welding welder of welding automatically through air cylinder driven; Mould comprises die cavity 6, core rod 8, core rod axle 9 and side form 7; Die cavity is fixed on the hydraulic press pedestal 1, is equipped with on the hydraulic press pedestal 1 to be used to drive side form 7 and to realize the thin-walled plate is molded into the half-finished hydraulic press assembly of reducing fittings with core rod.The hydraulic press assembly comprises that hydraulic press master cylinder 3, oil cylinder 4 and 2, two hydraulic pressure pusher sides of hydraulic pressure pusher side cylinder cylinder, 2 symmetries are installed on the both sides of hydraulic press pedestal, and the piston rod of hydraulic pressure pusher side cylinder links to each other with side form.Hydraulic pressure pusher side cylinder is used to drive side form and cooperates realization that the thin-walled plate is molded into the half-finished process of reducing fittings with core rod.The piston rod of hydraulic press master cylinder 3 is connected with cylinder bracket 10; It is L shaped that cylinder bracket is; Cylinder bracket is equipped with oil cylinder 4 and argon arc welding welder; Is connected through oil cylinder pin 20 between oil cylinder 4 and the cylinder bracket 10, the piston rod of oil cylinder 4 is hinged through an end of movable rod 17 and core rod axle, and the other end and the cylinder bracket of core rod axle are hinged.Be connected through movable rod pin 22 between core rod axle 9 and the movable rod 17.
Like Fig. 4 and shown in Figure 5, the die cavity 6 of mould is fixed on the hydraulic press pedestal through base plate 11.Like Figure 10, Figure 11 and shown in Figure 12; Die cavity 6 both sides along continuous straight runs are provided with T-slot 61; The middle part of die cavity 6 is provided with the core rod groove 62 that is used to place core rod; Core rod groove coaxial direction is provided with core rod axle holddown groove 64, and the upper surface of die cavity is provided with the plate groove 63 that matches with the plate tiling size dimension of reducing fittings product to be processed, and the axis of T-slot and core rod groove is perpendicular.
Side form 7 is fixed on the piston rod of hydraulic pressure pusher side cylinder 2; Like Figure 13, Figure 14 and shown in Figure 15; Side form bottom (be a side among Figure 13, what Figure 13, Figure 14 and Figure 15 showed is left side mould among Fig. 1, and left and right sides side form is the left-right symmetric structure) is provided with T shape piece 71; T shape piece 71 cooperates with the T-slot 61 of die cavity, does side-to-side movement through the reciprocating motion promotion side form 7 of hydraulic pressure pusher side cylinder piston.This cambered surface will be positioned over plates in the plate groove 63 just and push as for core rod and want to fit when side form 7 is provided with cambered surface 72, two piece side forms consistent with reducing fittings product radian to be processed and leans, thereby make plate shaping.Also be provided with on the side form 7 with core rod on 73, two side form amalgamations of welding groove of soldering opening direction and position consistency together the time, welding groove be positioned at the core rod soldering opening directly over and soldering opening exposed fully.
Core rod 8 is the circular cone shape of hollow, and its shape matches with the size and dimension of reducing fittings product to be processed, and core rod 8 stub ends bottom is provided with a circle annular along 83, and the thickness on annular edge equals reducing fittings thickness of product to be processed; Core rod 8 is nested with on core rod axle 9; Core rod axle 9 is provided with flat key and makes and have one of soldering opening 81 on the core rod and face up fixing; Core rod 8 has flat key groove 82 (seeing Fig. 8 and Fig. 9) corresponding to the position of flat key, and core rod axle microcephaly one end is through pin 21 and cylinder bracket 10 bottom-hinged, and pin fixed die mandrel end makes it the lever motion doing to rotate up and down; Pin ends is provided with one section screw thread, can take out and pin for suppressing metal through manual degree of tightness.The other end of core rod axle 9 (stub end) is connected with oil cylinder 4 piston rods through movable rod 17, and core rod axle 9 moves up and down through the reciprocating motion of oil cylinder 4 pistons.Mould before plate shaping, after the moulding and the combining structure sketch map after the welding of reducing fittings semi-finished product respectively like Figure 17, Figure 18 and shown in Figure 19.
Like Fig. 7 and shown in Figure 6, the argon arc welding welder by be fixed on vertical Rodless cylinder 12 on the cylinder bracket 10, be installed in the hue angle support 14 on the vertical Rodless cylinder 12, Rodless cylinder 13, welding gun 15 and the welding gun fixed mount 16 that is fixed on the hue angle support formed.Welding gun fixed mount 16 is installed on the slide unit of Rodless cylinder 13, and welding gun is fixed on the welding gun fixed mount 16 and is vertical with Rodless cylinder 13.Rodless cylinder 13 is fixed on the hue angle support through trip bolt 18; The angle of manual adjustments slack adjuster 19 scalable Rodless cylinders 13 and horizontal plane (be adjusted to Rodless cylinder is parallel with solder side to get final product) makes the welding gun that is fixed on the Rodless cylinder 13 vertical with solder side.
The vertically reciprocating motion of Rodless cylinder 12 pistons drives the argon arc welding welder and moves up and down; The reciprocating motion of Rodless cylinder 13 pistons drives welding gun moving linearly on perpendicular to the track of solder side, through regulating the air pressure size of Rodless cylinder 13 air inlets, can control the speed of welding gun welding.Rodless cylinder is made buffered through lubricating oil, and the motion that can guarantee welding gun is at the uniform velocity, and then guarantees that the quality of welding reaches requirement.
Utilize the method for device fabrication pipe fitting of the utility model following:
Australia's mark stainless steel reducing joint pipe fitting to produce AS100/50 is an example, adopts the thick corrosion resistant plate of 1.5mm.
Step 1, select the mould of AS100/50 for use; Die cavity is installed on the hydraulic press pedestal; Side form is installed on the side cylinder piston rod, core rod is enclosed within on the core rod axle, pin for suppressing metal fixed die mandrel; The movable rod pin 22 that the fastening core rod axle other end of while is connected with movable rod makes it to link to each other with the oil cylinder piston bar.
Step 2, unclamp slack adjuster on the hue angle support (when the angle that calculates Rodless cylinder 13 and hue angle support is 14.3 °; Can make the welding gun vertical) with solder side; The angle of regulating Rodless cylinder 13 and hue angle support is 14.3 °, tightens slack adjuster then.
Step 3, the plate that punching press is good are placed in the plate groove on the die cavity.
Step 4, starting device power supply are pressed automatic button then, and this moment, equipment got into automatic running status, the concrete action as follows:
1, the hydraulic press master cylinder is descending, move to the die cavity certain distance after, master cylinder stops.
2, oil cylinder starts, and promotes movable rod downwards and makes core rod face contact plate, and plate is pressed in the die cavity, get into die cavity fully to core rod after, oil cylinder stops.
3, hydraulic pressure pusher side cylinder starts, and slowly pushes the center die cavity to from both sides with side form, and plate is shifted onto core rod by side form and tightened hard-pressed bale in core surface.Behind the complete matched moulds of side form, hydraulic pressure pusher side cylinder stops.
4, vertically Rodless cylinder 12 starts, and promotes the argon arc welding welder and moves downward, and to behind the position of die cavity, vertically Rodless cylinder 12 stops.
5, Rodless cylinder 13 starts, and promotes the welding gun weld-end fittings.After welding was accomplished, Rodless cylinder 13 stopped.
6, vertically Rodless cylinder 12 starts, and promotes the argon arc welding welder and moves upward, and to original initial position, vertically Rodless cylinder 12 stops.
7, Rodless cylinder 13 starts, and after promoting welding gun and being back to initial position, Rodless cylinder 13 stops, and the side cylinder starts simultaneously, make side form be back to initial position after, the side cylinder stops.
8, oil cylinder starts, and after the pulling movable rod made the core rod axle move to initial position, oil cylinder stopped.
9, the hydraulic press master cylinder starts, and upstroke is to initial position, and the hydraulic press master cylinder stops.This moment, auto state finished.
Step 5, manually unclamp pin, hold from core rod axle microcephaly and take out the pipe fitting that molded welding finishes, then the core rod axle is mounted to the cylinder bracket specified location, pack into the pin and the screw thread of screwing.This moment, 1 product moulding welding finished.
The advantage of this reducing joint pipe fitting automatic moulding welding equipment is:
1, this device structure is simple, and cost is low, realizes that the driving member and the electric original paper of operation all are the most frequently used automatically.
2, easy and simple to handle, do not need the higher professional technique of operator can accomplish the moulding welding operation of pipe fitting.
3, the pipe fitting yield rate through this equipment making is very high, can practice thrift a large amount of costs of raw material and manual work.
4, the reducing fittings size Control of this equipment making is more accurate, and wall thickness is even, owing to be that equipment welds automatically, the quality of solder side is guaranteed.The utility model is applicable to that also material is the moulding welding manufacturing of plasticity preferred metal reducing joint pipe fittings such as copper, iron.
Should be understood that this embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Thickness like the annular edge on the core rod can be realized the utility model purpose equally greater than reducing fittings thickness of product to be processed, and annular can not be provided with along being preferred version yet.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

Claims (9)

1. reducing joint pipe fitting automatic moulding welding equipment; It is characterized in that: comprise mould, be fixed into the hydraulic press pedestal (1) of type die and can realize the argon arc welding welder of welding automatically through air cylinder driven; Mould comprises die cavity, core rod, core rod axle and side form (7); Die cavity is fixed on the hydraulic press pedestal (1), is equipped with on the hydraulic press pedestal to be used to drive side form and core rod and to realize the thin-walled plate is molded into the half-finished hydraulic press assembly of reducing fittings.
2. according to claim 1; It is characterized in that: described hydraulic press assembly comprises hydraulic press master cylinder (3), oil cylinder (4) and hydraulic pressure pusher side cylinder (2); Two are used to drive side form and cooperate with core rod and realize the thin-walled plate is molded into the both sides that the half-finished hydraulic pressure pusher side of reducing fittings cylinder (2) symmetry is installed on the hydraulic press pedestal, and the piston rod of hydraulic pressure pusher side cylinder links to each other with side form.
3. reducing joint pipe fitting automatic moulding welding equipment according to claim 2; It is characterized in that: the piston rod of described hydraulic press master cylinder (3) is connected with cylinder bracket (10); It is L shaped that cylinder bracket is, and cylinder bracket is equipped with oil cylinder (4) and argon arc welding welder, and the piston rod of oil cylinder (4) is hinged with an end of core rod axle through movable rod (17); The other end and the cylinder bracket of core rod axle are hinged, and described core rod is enclosed within on the core rod axle.
4. according to claim 1 or 3 described reducing joint pipe fitting automatic moulding welding equipments; It is characterized in that: described argon arc welding welder comprises vertical Rodless cylinder (12), Rodless cylinder (13), welding gun fixed mount (16), hue angle support (14) and welding gun (15); Hue angle support one end is fixedly connected with the slide unit of vertical Rodless cylinder; The hue angle support other end and Rodless cylinder flexibly connect, and welding gun is fixed on the slide unit of Rodless cylinder through the welding gun fixed mount.
5. according to claim 1 or 2 or 3 described reducing joint pipe fitting automatic moulding welding equipments, it is characterized in that: described die cavity is fixed on the hydraulic press pedestal through base plate (11).
6. according to claim 1 or 2 or 3 described reducing joint pipe fitting automatic moulding welding equipments; It is characterized in that: die cavity both sides along continuous straight runs is provided with T-slot (61); The middle part of die cavity is provided with the core rod groove (62) that is used to place core rod; Core rod groove coaxial direction is provided with core rod axle holddown groove (64), and the upper surface of die cavity is provided with the plate of reducing fittings product to be processed and launches the plate groove (63) that size dimension matches, and the axis of T-slot and core rod groove is perpendicular.
7. reducing joint pipe fitting automatic moulding welding equipment according to claim 6; It is characterized in that: left and right sides side form is the left-right symmetric structure; Side form (7) bottom is provided with T shape piece (71); T shape piece cooperates with the T-slot (61) of die cavity, and side form is provided with the cambered surface (72) consistent with reducing fittings product radian to be processed, also be provided with on the side form 7 with core rod on soldering opening direction and the welding groove (73) of position consistency.
8. reducing joint pipe fitting automatic moulding welding equipment according to claim 6; It is characterized in that: core rod is the circular cone shape of hollow; Its shape matches with the size and dimension of reducing fittings product to be processed, and core rod stub end bottom is provided with a circle annular along (83); Core rod axle (9) is provided with flat key and makes and have one of soldering opening (81) on the core rod and face up fixingly, and core rod has flat key groove (82) with respect to the position of flat key.
9. reducing joint pipe fitting automatic moulding welding equipment according to claim 8 is characterized in that:
The thickness on the annular edge on the core rod >=reducing fittings thickness of product to be processed.
CN2011201850984U 2011-06-03 2011-06-03 Automatic forming and welding equipment for reducing joint pipe fitting CN202114469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201850984U CN202114469U (en) 2011-06-03 2011-06-03 Automatic forming and welding equipment for reducing joint pipe fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201850984U CN202114469U (en) 2011-06-03 2011-06-03 Automatic forming and welding equipment for reducing joint pipe fitting

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CN202114469U true CN202114469U (en) 2012-01-18

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CN2011201850984U CN202114469U (en) 2011-06-03 2011-06-03 Automatic forming and welding equipment for reducing joint pipe fitting

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102240908A (en) * 2011-06-03 2011-11-16 浙江天兴管业有限公司 Automatic forming and welding equipment and method of increaser pipe fitting
CN103252651A (en) * 2013-05-29 2013-08-21 烟台市三立工业有限公司 Special manufacturing equipment for heat energy conveying pipe with gas as medium
CN106140921A (en) * 2016-08-31 2016-11-23 佛山市南海德展钣金有限公司 Reservoir automatic rotary beading equipment
CN106925658A (en) * 2015-12-31 2017-07-07 天津市深呼吸自行车业有限公司 Bicycle pipe part hole punched device
US10845778B2 (en) 2017-03-30 2020-11-24 Lincoln Global, Inc. Workpiece positioner and welding sequencer

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102240908A (en) * 2011-06-03 2011-11-16 浙江天兴管业有限公司 Automatic forming and welding equipment and method of increaser pipe fitting
CN102240908B (en) * 2011-06-03 2014-01-08 浙江天兴管业有限公司 Automatic forming and welding equipment and method of increaser pipe fitting
CN103252651A (en) * 2013-05-29 2013-08-21 烟台市三立工业有限公司 Special manufacturing equipment for heat energy conveying pipe with gas as medium
CN103252651B (en) * 2013-05-29 2015-04-08 烟台市三立工业有限公司 Special manufacturing equipment for heat energy conveying pipe with gas as medium
CN106925658A (en) * 2015-12-31 2017-07-07 天津市深呼吸自行车业有限公司 Bicycle pipe part hole punched device
CN106140921A (en) * 2016-08-31 2016-11-23 佛山市南海德展钣金有限公司 Reservoir automatic rotary beading equipment
CN106140921B (en) * 2016-08-31 2018-07-17 佛山市南海德展钣金有限公司 Liquid storage device automatic rotary beading equipment
US10845778B2 (en) 2017-03-30 2020-11-24 Lincoln Global, Inc. Workpiece positioner and welding sequencer

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Granted publication date: 20120118

Termination date: 20140603