CN102672343A - Welding method of high speed tool steel coil rod and welding equipment of welding method - Google Patents
Welding method of high speed tool steel coil rod and welding equipment of welding method Download PDFInfo
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- CN102672343A CN102672343A CN2012101492358A CN201210149235A CN102672343A CN 102672343 A CN102672343 A CN 102672343A CN 2012101492358 A CN2012101492358 A CN 2012101492358A CN 201210149235 A CN201210149235 A CN 201210149235A CN 102672343 A CN102672343 A CN 102672343A
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Abstract
The invention relates to a welding method of a high speed tool steel coil rod and welding equipment of the welding method. The welding method is characterized by comprising the following process steps of: 1, feeding; 2, performing friction; 3, upsetting; and 4, annealing. A high speed tool steel connection section and end heads of two high speed tool steel coil rods are subjected to friction welding by using high speed rotation of the high speed tool steel connection section, so that the welding method of the high speed tool steel coil rod and the welding equipment of the welding method can be used for welding two small coils of high speed tool steel coil rods to form a good welding joint.
Description
Technical field
The present invention relates to a kind of welding method and welding equipment thereof of high-speed tool steel wire rod, be mainly used in the welding of high-speed tool steel wire rod.
Background technology
Double metal saw belt is and the matching used industrial consumption article of saw band bed; Because it is good at cutting stainless steel, tool steel, mould steel, alloy steel products etc. especially, is widely used in industry sawing in metal processing fields such as iron and steel, machinery, metallurgy, chemical industry, electronics, national defence, Aeronautics and Astronautics manufacturing and building materials.The material of double metal saw belt comprises backing and tooth material, and the tooth material need become deep bid tool steel wire rod with the butt welding of shallow bid high-speed tool steel wire rod.General through flash welding, the general flash welding process molten condition of welding between traditional high-speed tool steel wire rod, its blank area is an as cast condition, various smelting defectives all can show, and are difficult to form the good welds joint, influence product quality.
Friction welding (FW) is under external force, utilizes the heat that relative fricting movement produced between the weldment contact-making surface, makes intermetallic phase counterdiffusion, plastic flowing and the dynamic recrystallization of contact-making surface and the solid-state friction welding joint accomplished.Between the two weldering composition surfaces under pressure two important result of friction generates at a high speed relatively: the one, destroyed oxide-film or other pollution layers on the faying face, simple metal is come out; Another is heating, makes the composition surface form thermoplasticity very soon once.Under friction torque and axial compressive force effect subsequently; Oxide that these are broken and part ductile bed are extruded the composition surface and form overlap outside; Remaining plastic deformation metal constitutes weld metal, and last upset makes weld metal obtain further to forge, and forms good welding point.And traditional friction welding (FW) generally is used for the connection of two segment weldments, is not suitable for the high-speed tool steel wire rod.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of high-speed tool steel wire rod to be suitable for the friction welding (FW) principle, can form the welding method and the welding equipment thereof of the high-speed tool steel wire rod of good welds joint.
The objective of the invention is to realize like this:
A kind of welding method of high-speed tool steel wire rod, its processing step is following:
Step 1: material loading
Material loading on welding equipment is embedded at the high-speed tool steel linkage section in one central shaft, two high-speed tool steel wire rod terminations to be welded is separately fixed at two moves on the pincers;
Step 2: friction
The rotation of control centre axle drives two then and moves pincers, makes two high speed tool steel wire rod terminations and the contact friction of high-speed tool steel linkage section two ends, and the pressure between two high speed tool steel wire rod terminations and the high-speed tool steel linkage section two ends is 105-350Mpa;
Step 3: upset
Stop the rotation of central shaft, drive two and move pincers, make that the pressure between two high speed tool steel wire rod terminations and the high-speed tool steel linkage section two ends is 400-500Mpa, make two high speed tool steel wire rods link into an integrated entity through the high-speed tool steel linkage section;
Step 4: annealing
Blanking at the weld wrapping insulation material of two high speed tool steel wire rods, moves to annealing place and anneals then, and annealing temperature is 800 ~ 850 ℃, and annealing time is 4 ~ 6h.
Said welding equipment comprises frame; Said frame is provided with the central shaft of a lateral arrangement, and said central shaft is through a main driven by motor, and the cross section of said central shaft is " C " type; Said central shaft is provided with locking member; The upper and lower of said central shaft is respectively equipped with first friction pulley and second friction pulley, and said first friction pulley and second friction pulley all are connected in the friction pulley oil cylinder of a vertical action, and said first friction pulley is connected with a synchronous belt wheel through being with synchronously respectively with second friction pulley; Said synchronous pulley is through main driven by motor; The outside of said central shaft is provided with a brake, and said brake is connected in a brake oil cylinder, and the right and left of said central shaft is equipped with the mobile pincers of a transverse movement; Said mobile pincers are provided with the clamping cylinder of vertical action, and said mobile pincers drive through the upset oil cylinder of crosswise movement.
Said main motor, brake oil cylinder, upset oil cylinder and friction pulley oil cylinder all are connected in a cyclelog.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention adopts high-speed tool steel linkage section high speed rotating; Make it and two high-speed tool steel wire rod terminations to be welded carry out friction welding (FW), make the welding method of this a kind of high-speed tool steel wire rod and welding equipment thereof can the welding of two shallow bid high-speed tool steel wire rods be formed the good welds joint.
Description of drawings
Fig. 1 is the welding method of a kind of high-speed tool steel wire rod of the present invention and the front view of welding equipment thereof.
Fig. 2 is the welding method of a kind of high-speed tool steel wire rod of the present invention and the side view of welding equipment thereof.
Fig. 3 is the welding method of a kind of high-speed tool steel wire rod of the present invention and the stereogram one of welding equipment thereof.
Fig. 4 is the welding method of a kind of high-speed tool steel wire rod of the present invention and the stereogram two of welding equipment thereof.
Wherein:
Frame 1
High-speed tool steel linkage section 3
High-speed tool steel wire rod termination 4
First friction pulley 5
Second friction pulley 6
Brake 9
Move pincers 11
Clamping cylinder 12
Upset oil cylinder 13
Friction pulley oil cylinder 14.
The specific embodiment
Referring to Fig. 1 ~ Fig. 4, the welding method of a kind of high-speed tool steel wire rod that the present invention relates to, its processing step is following:
Step 1: material loading
Material loading on welding equipment is embedded at the high-speed tool steel linkage section in one central shaft, two high-speed tool steel wire rod terminations to be welded is separately fixed at two moves on the pincers;
Step 2: friction
The rotation of control centre axle drives two then and moves pincers, makes two high speed tool steel wire rod terminations and the contact friction of high-speed tool steel linkage section two ends, and the pressure between two high speed tool steel wire rod terminations and the high-speed tool steel linkage section two ends is 105-350Mpa;
Step 3: upset
Stop the rotation of central shaft, drive two and move pincers, make that the pressure between two high speed tool steel wire rod terminations and the high-speed tool steel linkage section two ends is 400-500Mpa, make two high speed tool steel wire rods link into an integrated entity through the high-speed tool steel linkage section;
Step 4: annealing
Blanking at the weld wrapping insulation material of two high speed tool steel wire rods, moves to annealing place and anneals then, and annealing temperature is 800 ~ 850 ℃, and annealing time is 4 ~ 6h.
The used welding equipment of above-mentioned welding method comprises frame 1, and said frame 1 is provided with a central shaft 2 of lateral arrangement, and said central shaft 2 drives through a main motor 8; The cross section of said central shaft 2 is " C " type; Said central shaft 2 is used to set high-speed tool steel linkage section 3, and said central shaft 2 is provided with locking member 4, and said locking member 4 is used for the fixing of central shaft 2 and high-speed tool steel linkage section 3; The upper and lower of said central shaft 2 is respectively equipped with first friction pulley 5 and second friction pulley 6; Said first friction pulley 5 and second friction pulley 6 all are connected in the friction pulley oil cylinder 14 of a vertical action, and said first friction pulley 5 is connected with a synchronous belt wheel 7 through being with synchronously respectively with second friction pulley 6, and said synchronous pulley 7 drives through main motor 8; The outside of said central shaft 2 is provided with a brake 9; Said brake 9 is connected in a brake oil cylinder 10, and the right and left of said central shaft 2 is equipped with the mobile pincers 11 of a transverse movement, and said mobile pincers 11 are provided with the clamping cylinder 12 of vertical action; Said clamping cylinder 12 is used for high-speed tool steel wire rod termination 4 is fixed on mobile pincers 11, and said mobile pincers 11 drive through the upset oil cylinder 13 of crosswise movement.
Said main motor 8, brake oil cylinder 10, upset oil cylinder 13 and friction pulley oil cylinder 14 all are connected in a cyclelog.
Operation principle:
In central shaft 2, set high-speed tool steel linkage section 3; Move placement high-speed tool steel wire rod termination 4 to be welded in the pincers 11 at two, and fixing through clamping cylinder 12, and main motor 8 drives first friction pulley 5 and 6 rotations of second friction pulley through synchronous pulley 7 and synchronous band; First friction pulley 5 and second friction pulley 6 compress central shaft 2 through friction pulley oil cylinder 14 adjustment positions and driving; Make central shaft 2 rotation at a high speed, control upset oil cylinder 13 laterally moves, and makes high-speed tool steel wire rod termination 4 and high-speed tool steel linkage section 3 draw close; Get into the high-speed friction stage; The contact position of this stage high-speed tool steel linkage section 3 and high-speed tool steel wire rod termination 4 is because high-speed friction produces heat, makes the two ends of high-speed tool steel linkage section 3 reach satin and connects melting state, and friction pulley oil cylinder 14 controls first friction pulley 5 separates with central shaft 2 with second friction pulley 6 then; Start brake oil cylinder 10; Brake 9 control centre's axles 2 stop operating, and strengthen the pressure of upset oil cylinder 13, make high-speed tool steel wire rod termination 4 and high-speed tool steel linkage section 3 be welded into integral body.
Embodiment 1,
The diameter of high-speed tool steel wire rod is 8mm; The rotating speed of friction phase first friction pulley and second friction pulley is 2700r/min, and the pressure of friction phase is 130Mpa, and fraction time is 15s; The pressure in upset stage is 400MPa; Upset time is 8s, and the temperature of annealing stage is 840 ℃, and annealing time is 5h.
The diameter of high-speed tool steel wire rod is 6mm; The rotating speed of friction phase first friction pulley and second friction pulley is 3500r/min, and the pressure of friction phase is 105Mpa, and fraction time is 8s; The pressure in upset stage is 400MPa; Upset time is 5s, and the temperature of annealing stage is 840 ℃, and annealing time is 5h.
Embodiment 3,
The diameter of high-speed tool steel wire rod is 10mm; The rotating speed of friction phase first friction pulley and second friction pulley is 2700r/min, and the pressure of friction phase is 200Mpa, and fraction time is 15s; The pressure in upset stage is 450MPa; Upset time is 8s, and the temperature of annealing stage is 840 ℃, and annealing time is 5h.
Embodiment 4,
The diameter of high-speed tool steel wire rod is 12mm; The rotating speed of friction phase first friction pulley and second friction pulley is 2700r/min, and the pressure of friction phase is 300Mpa, and fraction time is 15s; The pressure in upset stage is 450MPa; Upset time is 10s, and the temperature of annealing stage is 840 ℃, and annealing time is 5h.
Embodiment 5,
The diameter of high-speed tool steel wire rod is 16mm; The rotating speed of friction phase first friction pulley and second friction pulley is 2200r/min, and the pressure of friction phase is 350Mpa, and fraction time is 15s; The pressure in upset stage is 500MPa; Upset time is 10s, and the temperature of annealing stage is 840 ℃, and annealing time is 5h.
Claims (3)
1. the welding method of a high-speed tool steel wire rod is characterized in that its processing step is following:
Step 1: material loading
Material loading on welding equipment is embedded at the high-speed tool steel linkage section in one central shaft, two high-speed tool steel wire rod terminations to be welded is separately fixed at two moves on the pincers;
Step 2: friction
The rotation of control centre axle drives two then and moves pincers, makes two high speed tool steel wire rod terminations and the contact friction of high-speed tool steel linkage section two ends, and the pressure between two high speed tool steel wire rod terminations and the high-speed tool steel linkage section two ends is 105-350Mpa;
Step 3: upset
Stop the rotation of central shaft, drive two and move pincers, make that the pressure between two high speed tool steel wire rod terminations and the high-speed tool steel linkage section two ends is 400-500Mpa, make two high speed tool steel wire rods link into an integrated entity through the high-speed tool steel linkage section;
Step 4: annealing
Blanking at the weld wrapping insulation material of two high speed tool steel wire rods, moves to annealing place and anneals then, and annealing temperature is 800 ~ 850 ℃, and annealing time is 4 ~ 6h.
2. the welding method of a kind of high-speed tool steel wire rod according to claim 1; It is characterized in that said welding equipment comprises frame (1); Said frame (1) is provided with the central shaft (2) of a lateral arrangement; The cross section of said central shaft (2) is " C " type, and said central shaft (2) is provided with locking member (4), and the upper and lower of said central shaft (2) is respectively equipped with first friction pulley (5) and second friction pulley (6); Said first friction pulley (5) and second friction pulley (6) all are connected in the friction pulley oil cylinder (14) of a vertical action; Said first friction pulley (5) is connected with a synchronous belt wheel (7) through being with synchronously respectively with second friction pulley (6), and said synchronous pulley (7) drives through main motor (8), and the outside of said central shaft (2) is provided with a brake (9); Said brake (9) is connected in a brake oil cylinder (10); The right and left of said central shaft (2) is equipped with the mobile pincers (11) of a transverse movement, and said mobile pincers (11) are provided with the clamping cylinder (12) of vertical action, and said mobile pincers (11) drive through the upset oil cylinder (13) of crosswise movement.
3. the welding method of a kind of high-speed tool steel wire rod according to claim 2 and welding equipment thereof is characterized in that said main motor (8), brake oil cylinder (10), upset oil cylinder (13) and friction pulley oil cylinder (14) all are connected in a cyclelog.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012101492358A CN102672343A (en) | 2012-05-15 | 2012-05-15 | Welding method of high speed tool steel coil rod and welding equipment of welding method |
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| CN2012101492358A CN102672343A (en) | 2012-05-15 | 2012-05-15 | Welding method of high speed tool steel coil rod and welding equipment of welding method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014929A (en) * | 2014-06-19 | 2014-09-03 | 西安特种设备检验检测院 | Dissimilar metal welding method for martensite heat-resisting steel and high-temperature nickel base alloy |
| CN109719383A (en) * | 2018-12-31 | 2019-05-07 | 苏州天为幕烟花科技有限公司 | A kind of overlength friction welding reinforced bar device |
Citations (4)
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| CN2140803Y (en) * | 1992-08-21 | 1993-08-25 | 佳木斯煤矿机械厂 | Friction welding machine for tubes |
| CN101200019A (en) * | 2006-12-15 | 2008-06-18 | 天水风动机械有限责任公司 | Application method of friction welding technology used in drilling machinery processing |
| CN102205460A (en) * | 2009-11-13 | 2011-10-05 | 陕西汉德车桥有限公司 | Friction welding process for intermediate section of axle cast steel axle housing and shaft heads of heavy-duty truck |
| CN102211249A (en) * | 2011-05-26 | 2011-10-12 | 洛阳双瑞精铸钛业有限公司 | Method for connecting titanium-aluminum alloy turbine with 42CrMo steel shaft |
-
2012
- 2012-05-15 CN CN2012101492358A patent/CN102672343A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140803Y (en) * | 1992-08-21 | 1993-08-25 | 佳木斯煤矿机械厂 | Friction welding machine for tubes |
| CN101200019A (en) * | 2006-12-15 | 2008-06-18 | 天水风动机械有限责任公司 | Application method of friction welding technology used in drilling machinery processing |
| CN102205460A (en) * | 2009-11-13 | 2011-10-05 | 陕西汉德车桥有限公司 | Friction welding process for intermediate section of axle cast steel axle housing and shaft heads of heavy-duty truck |
| CN102211249A (en) * | 2011-05-26 | 2011-10-12 | 洛阳双瑞精铸钛业有限公司 | Method for connecting titanium-aluminum alloy turbine with 42CrMo steel shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014929A (en) * | 2014-06-19 | 2014-09-03 | 西安特种设备检验检测院 | Dissimilar metal welding method for martensite heat-resisting steel and high-temperature nickel base alloy |
| CN109719383A (en) * | 2018-12-31 | 2019-05-07 | 苏州天为幕烟花科技有限公司 | A kind of overlength friction welding reinforced bar device |
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Application publication date: 20120919 |