CN203900749U - Rotational friction resistance butt welding mechanism - Google Patents

Rotational friction resistance butt welding mechanism Download PDF

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Publication number
CN203900749U
CN203900749U CN201420284110.0U CN201420284110U CN203900749U CN 203900749 U CN203900749 U CN 203900749U CN 201420284110 U CN201420284110 U CN 201420284110U CN 203900749 U CN203900749 U CN 203900749U
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China
Prior art keywords
fixture
workpiece
butt welding
welding
electrode
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CN201420284110.0U
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Chinese (zh)
Inventor
陈振东
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Tianjin Jianke Mechanical Products Co Ltd
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Tianjin Jianke Mechanical Products Co Ltd
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Priority to CN201420284110.0U priority Critical patent/CN203900749U/en
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Abstract

The utility model discloses a rotational friction resistance butt welding mechanism. The rotational friction resistance butt welding mechanism structurally comprises a first fixture and a second fixture, the first fixture and the second fixture are in mirror symmetry, the mutual corresponding sides of the first fixture and the second fixture clamp a first workpiece and a second workpiece respectively, and the first fixture and the second fixture are connected with an upper electrode and a lower electrode respectively; the first fixture is connected with a motor output shaft through a first insulating plate, and the first fixture is driven by a motor to drive the first workpiece to rotate; the second fixture is connected to a piston rod of a telescopic cylinder through a second insulating plate, and the second fixture is driven by the telescopic cylinder to drive the second workpiece to move; an upper electrode wire and a lower electrode wire of the output end of a transformer are connected with an upper electrode and a lower electrode respectively; the transformer is fixed on a rack. The rotational friction resistance butt welding mechanism has the advantages that welding quality is good, welding time is short, accuracy is high, efficiency is high, and operation is easy and convenient; on-site arc light and harmful gas pollution is reduced, the mechanism is suitable for an automatic production line, electric energy is saved, welding cost is reduced, and the foundation is laid for fast and efficient mass production of welding rods.

Description

A kind of spin friction upset butt welding mechanism
Technical field
The utility model relates to a kind of spin friction upset butt welding mechanism for bar welding.
Background technology
Along with the deep development of economic construction, the demand of bar also increases thereupon, particularly at building field, road and bridge and field of traffic consumption, rapidly increases, and with automatic welding mechanism, replaces the mechanism of traditional-handwork welding processing progressively to be popularized.
In prior art, the welding of bar reinforcing bar adopts upset butt welding to weld mostly, and upset butt welding is to weld according to exerting pressure of electrode.Upset butt welding equipment cost is higher, maintenance is more difficult, and conventional high-power single-phase AC welding set, is unfavorable for the normal operation of electrical network; In addition, also exist weldability poor, during spot welding, easily produce and splash, shrinkage cavity, defects i.e.cracks.The lap joint of point, seam weldering has not only increased the weight of member, and the tensile strength of welding point and fatigue strength lower.
At present, the welding of bar reinforcing bar also adopts friction welding (FW) to weld, and friction welding (FW) is mutually to rub and produce heat at weldment contact end face, makes its end face reach thermoplastic state, then applies rapidly upset force, realizes a kind of phase press welding method of welding.By workpiece, rotation realizes welding to friction welding (FW), and plate-like workpiece and thin-wall pipe are also difficult to welding owing to being difficult for clamping; In friction welding (FW) process, weld interval used is longer.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and a kind of have friction welding (FW) and upset butt welding process characteristic are provided simultaneously, saves weld interval, improves a kind of spin friction upset butt welding mechanism of welding precision and efficiency.
The technical scheme solving the problems of the technologies described above is: a kind of spin friction upset butt welding mechanism, described spin friction upset butt welding mechanism comprises: the first fixture of mirror image symmetry and the second fixture, transformer, top electrode and bottom electrode, at the first fixture and the mutual corresponding side of the second fixture, clamp respectively the first workpiece and the second workpiece that need to weld together, the first fixture is connected respectively top electrode and bottom electrode with the second fixture; Described the first fixture connects motor output shaft by the first insulation board, and under motor drives, the first fixture drives the first workpiece rotation; Described the second fixture is connected to by the second insulation board on the piston rod of telescoping cylinder, and under telescoping cylinder drives, the second fixture drives second workpiece to move; The top electrode wire of transformer output is connected respectively top electrode and bottom electrode with bottom electrode wire, and transformer is fixed in frame.
Preferred version is: described bottom electrode also connects auxiliary moving bracing or strutting arrangement, on described auxiliary moving bracing or strutting arrangement, comprises: guide rail, electrode rail brackets; Guide rail is fixed and is supported in frame, and electrode rail brackets one end is fixed on the bottom of bottom electrode, and electrode rail brackets other end cunning fits on guide rail.
Preferred version is: described the first fixture and the second fixture be respectively scroll chuck, chuck or clamp one of them.
The beneficial effects of the utility model are: the utility model overcomes the deficiencies in the prior art, the utlity model has welding quality good, and weld interval is short, and precision is high, and efficiency is high, advantage simple to operation.Reduce the environmental pollutions such as place arc light and pernicious gas, be applicable to automatic assembly line, save electric energy, reduce welding cost, for bar welding processing realizes rapidly and efficiently batch production, establish technical foundation.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Sequence number explanation > > in < < accompanying drawing
1a: the first workpiece; 1b: second workpiece; 2a: the first fixture; 2b: the second fixture; 3a: top electrode; 3b: bottom electrode; 3c: electrode rail brackets; 4: top electrode wire; 5: the first insulation boards; 6: motor; 8: frame; 9: the second insulation boards; 10: telescoping cylinder; 10a: piston rod; 11: telescoping cylinder support; 12: guide rail; 13: auxiliary moving bracing or strutting arrangement; 14: bottom electrode wire; 15: transformer.
The specific embodiment
Below in conjunction with accompanying drawing, enforcement of the present utility model is described in further detail.
Fig. 1 is the utility model structural representation.
The utility model provides a kind of spin friction upset butt welding mechanism, and described spin friction upset butt welding mechanism comprises: the first fixture 2a of mirror image symmetry and the second fixture 2b, transformer 15, top electrode 3a and bottom electrode 3b.
At described the first fixture 2a and the mutual corresponding side of the second fixture 2b, clamp respectively the first workpiece 1a and the second workpiece 1b that need to weld together, the first fixture 2a is connected respectively top electrode 3a and bottom electrode 3b with the second fixture 2b; Described the first fixture 2a connects motor 6 output shafts by the first insulation board 5, and under motor 6 drives, the first fixture 2a drives the first workpiece 1a rotation; The piston rod 10a that described the second fixture 2b is connected to telescoping cylinder 10 by the second insulation board 9 is upper, and under telescoping cylinder 10 drives, the second fixture 2b drives second workpiece 1b to move; The top electrode wire 4 of transformer 15 outputs is connected respectively top electrode 3a and bottom electrode 3b with bottom electrode wire 14, and transformer 15 is fixed in frame 8.
Described bottom electrode 3b also connects auxiliary moving bracing or strutting arrangement 13, and on described auxiliary moving bracing or strutting arrangement, 13 comprise: guide rail 12, electrode rail brackets 3c; Guide rail 12 is fixed and is supported in frame 8, and electrode rail brackets 3c one end is fixed on the bottom of bottom electrode 3b, and electrode rail brackets 3c other end cunning fits on guide rail 12.
Described the first fixture 2a and the second fixture 2b be respectively scroll chuck, chuck or clamp one of them.
More specifically, the utility model is applicable to bar the first workpiece 1a and bar second workpiece 1b to implement welding.
As shown in the figure, the first fixture 2a and the second fixture 2b be set be fixedly connected with in top electrode 3a inner ring and bottom electrode 3b inner ring in, the first fixture 2a and the second fixture 2b are switched on top electrode 3a and bottom electrode 3b respectively, and then first workpiece 1a and second workpiece 1b have respectively electricity, after the first workpiece 1a and second workpiece 1b end contact, the electric current of transformer is by top electrode wire 4, top electrode 3a, the first fixture 2a, the first workpiece 1a, second workpiece 1b, the second fixture 2b, bottom electrode 3b, bottom electrode wire 14 forms loop, implement welding the first workpiece 1a and second workpiece 1b.Described motor 6 is supported in frame 8; Telescoping cylinder 10 is supported on telescoping cylinder support 11, and telescoping cylinder support 11 is fixed in frame 8.
The utility model is combined friction welding (FW) with upset butt welding, there is friction welding (FW) and upset butt welding process characteristic simultaneously, motor 6 drives the first workpiece 1a rotation, telescoping cylinder 10 promotes second workpiece 1b moving contact to the first workpiece 1a of rotation, the electric current of transformer output is by top electrode wire and bottom electrode wire, top electrode and bottom electrode, the first workpiece and second workpiece form loop, friction heating and current flow heats after utilizing two the first workpiece 1a to be welded to contact with second workpiece 1b, make the first workpiece 1a and second workpiece 1b contact-making surface reach rapidly welding temperature, realize the welding of fast and stable.

Claims (3)

1. a spin friction upset butt welding mechanism, described spin friction upset butt welding mechanism comprises: first fixture (2a) of mirror image symmetry and the second fixture (2b), transformer (15), top electrode (3a) and bottom electrode (3b), it is characterized in that, at the first fixture (2a) and the mutual corresponding side of the second fixture (2b), clamp respectively the first workpiece (1a) and the second workpiece (1b) that need to weld together, the first fixture (2a) is connected respectively top electrode (3a) and bottom electrode (3b) with the second fixture (2b); Described the first fixture (2a) connects motor (6) output shaft by the first insulation board (5), and under motor (6) drives, the first fixture (2a) drives the first workpiece (1a) rotation; The piston rod (10a) that described the second fixture (2b) is connected to telescoping cylinder (10) by the second insulation board (9) is upper, and under telescoping cylinder (10) drives, the second fixture (2b) drives second workpiece (1b) mobile; The top electrode wire (4) of transformer (15) output is connected respectively top electrode (3a) and bottom electrode (3b) with bottom electrode wire (14), and transformer (15) is fixed in frame (8).
2. according to a kind of spin friction upset butt welding mechanism described in claim 1, it is characterized in that, described bottom electrode (3b) also connects auxiliary moving bracing or strutting arrangement (13), and on described auxiliary moving bracing or strutting arrangement, (13) comprising: guide rail (12), electrode rail brackets (3c); It is upper that frame (8) is fixed and be supported on to guide rail (12), and electrode rail brackets (3c) one end is fixed on the bottom of bottom electrode (3b), and electrode rail brackets (3c) other end cunning fits on guide rail (12).
3. according to a kind of spin friction upset butt welding mechanism described in claim 1, it is characterized in that, described the first fixture (2a) and the second fixture (2b) be respectively scroll chuck, chuck or clamp one of them.
CN201420284110.0U 2014-05-29 2014-05-29 Rotational friction resistance butt welding mechanism Active CN203900749U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420284110.0U CN203900749U (en) 2014-05-29 2014-05-29 Rotational friction resistance butt welding mechanism

Publications (1)

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CN203900749U true CN203900749U (en) 2014-10-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043907A (en) * 2014-05-29 2014-09-17 建科机械(天津)股份有限公司 Spin friction resistance butt welding device
CN104801814A (en) * 2015-05-07 2015-07-29 苏州安嘉自动化设备有限公司 Butt welding machine and fixture device thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043907A (en) * 2014-05-29 2014-09-17 建科机械(天津)股份有限公司 Spin friction resistance butt welding device
CN104801814A (en) * 2015-05-07 2015-07-29 苏州安嘉自动化设备有限公司 Butt welding machine and fixture device thereof
CN106312232A (en) * 2015-05-07 2017-01-11 苏州安嘉自动化设备有限公司 Fixture device and butt welding machine provided with positioning device

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