CN111391600A - Friction welding multifunctional stabilizer bar and processing method thereof - Google Patents
Friction welding multifunctional stabilizer bar and processing method thereof Download PDFInfo
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- CN111391600A CN111391600A CN202010377661.1A CN202010377661A CN111391600A CN 111391600 A CN111391600 A CN 111391600A CN 202010377661 A CN202010377661 A CN 202010377661A CN 111391600 A CN111391600 A CN 111391600A
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- 238000003466 welding Methods 0.000 title claims abstract description 207
- 239000003381 stabilizer Substances 0.000 title claims abstract description 63
- 238000003672 processing method Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 8
- 238000009721 upset forging Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 230000008901 benefit Effects 0.000 abstract description 12
- 239000010953 base metal Substances 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005485 electric heating Methods 0.000 description 16
- 238000005242 forging Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- 238000013461 design Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
- 239000002893 slag Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/127—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding friction stir welding involving a mechanical connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/80—Manufacturing procedures
- B60G2206/82—Joining
- B60G2206/8201—Joining by welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a friction welding multifunctional stabilizer bar and a processing method thereof, belonging to the field of multifunctional stabilizer bars. A friction welding multifunctional stabilizer bar comprises a torsion tube body and further comprises: the friction welding craters are arranged at the two ends of the tube body of the torsion tube; the welding end of the left torsion tube is connected with the friction welding port at the left end of the torsion tube body through friction welding; the right torsion tube welding end is connected to a friction welding port at the right end of the torsion tube body through friction welding; a left pole piece and a right pole piece; the left rubber core is connected to one end, far away from the welding end of the left torsion tube, of the left rod piece; the right rubber core is connected with one end of the right rod piece, which is far away from the welding end of the right torsion tube; the friction welding adopted by the invention has the advantages of high energy density, low heat input, high welding speed, narrow weld heat affected zone, small welding deformation, high efficiency, higher welding quality than the base metal and the like, thereby being beneficial to improving the joint quality of the multifunctional stabilizer bar of the automobile and reducing the manufacturing cost.
Description
Technical Field
The invention relates to the technical field of multifunctional stabilizer bars, in particular to a friction welding multifunctional stabilizer bar and a processing method thereof.
Background
The prior social automobile industry develops rapidly, the requirements of energy conservation and emission reduction are continuously improved, the research on the light weight of automobiles is more and more widely regarded, the transverse stabilizer bar of the automobile is an important part in an automobile chassis, the transverse stabilizer bar can improve the tilting angle rigidity of a suspension, reduce the inclination angle of an automobile body, prevent overlarge transverse tilting and keep the balance of the automobile body, and plays an important role in the automobile manufacture, so that the requirement on the performance of the transverse stabilizer bar is higher and higher in the automobile manufacture industry, for the manufacture of the transverse stabilizer bar, a hollow pipe replaces a solid material to manufacture the stabilizer bar, the weight of the automobile can be reduced in the manufacturing process, raw materials are saved, the energy consumption is reduced, the aim of light weight of the automobile is fulfilled, the innovation becomes an important technology in the automobile processing and manufacturing industry, and the research direction on how to manufacture the qualified hollow stabilizer bar by the lowest cost, the highest efficiency and, at present, the two ends of the torsion tube of the multifunctional stabilizer bar are usually obtained by adopting a hot-upsetting forging technology, the process is low in efficiency, high in cost, huge in power consumption, large in mold consumption and large in equipment investment, the overburning and the burning-tight condition are easy to occur in the heating process, the production efficiency and the end quality are greatly reduced, the industrial development of the product is limited, and higher requirements are provided for the quality of the multifunctional stabilizer bar of the automobile along with the improvement of scientific technology and the development of national economy.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a friction-welding multifunctional stabilizer bar and a processing method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a friction welding multifunctional stabilizer bar comprises a torsion tube body and further comprises:
the friction welding craters are arranged at the two ends of the tube body of the torsion tube;
the welding end of the left torsion tube is connected with the friction welding port at the left end of the torsion tube body through friction welding;
the right torsion tube welding end is connected to a friction welding port at the right end of the torsion tube body through friction welding;
the left rod piece is connected to the welding end of the left torque tube;
the right rod piece is connected to the welding end of the right torsion tube;
the left rubber core is connected to one end, far away from the welding end of the left torsion tube, of the left rod piece;
and the right rubber core is connected with one end of the right rod piece, which is far away from the welding end of the right torsion tube.
Preferably, first round holes are formed in the upper portions of the left rod piece and the right rod piece, and the left torsion tube welding end and the right torsion tube welding end are connected into the first round holes.
Preferably, the bottoms of the left rod piece and the right rod piece are respectively provided with a second round hole, and the left rubber core and the right rubber core are respectively connected in the second round holes.
Preferably, the inner walls of the second round holes in the left rod piece and the right rod piece are respectively connected with a first steel sleeve and a second steel sleeve, a first fixing shaft and a second fixing shaft are respectively connected in the first steel sleeve and the second steel sleeve in a rotating mode, and the left rubber core and the right rubber core are respectively connected to the first fixing shaft and the second fixing shaft.
Preferably, the first welding seam and the second welding seam are arranged in the first round hole and the second round hole in parts, the left torsion tube welding end and the right torsion tube welding end are welded with the left rod piece and the right rod piece through the first welding seam, and the first steel sleeve and the second steel sleeve are welded with the left rod piece and the right rod piece through the second welding seam.
Preferably, the thickness of one end of each of the left rod piece and the right rod piece, which is close to the welding end of the left torsion tube and the welding end of the right torsion tube, is greater than that of one end of each of the left rubber core and the right rubber core.
A processing method of a friction welding multifunctional stabilizer bar adopts the following steps:
s1, firstly, taking a thick-wall large-diameter pipe as a left torsion tube welding end and a right torsion tube welding end at two ends of a torsion tube body, and clamping the left torsion tube welding end and the right torsion tube welding end in a main shaft head clamp of a friction welding machine;
s2, clamping and fixing the torsion tube body;
and S3, starting the friction welding machine, and welding the left torsion tube welding end and the right torsion tube welding end with the torsion tube body according to the set welding program.
Preferably, the welding process in step S3 includes primary friction, secondary friction, upset forging, and dwell pressure.
Preferably, the first-stage friction time in the welding procedure is 3s, and the pressure is 2 tons; the secondary friction time is 40s, and the pressure is 5 tons; the upsetting pressure is 20 tons; the dwell time was 10 s.
Compared with the prior art, the invention provides a friction welding multifunctional stabilizer bar and a processing method thereof, and the friction welding multifunctional stabilizer bar has the following beneficial effects:
1. this friction welding multifunctional stabilizer bar at first regards thick wall major diameter tubular product as the left torque tube welding end and the right torque tube welding end at torque tube both ends, and the clamping is in friction welding machine's main tapping anchor clamps, then fixes torque tube body clamping, starts friction welding machine, according to preset welding procedure: primary friction, secondary friction, upsetting and pressure maintaining; the welding end materials of the left torsion tube and the right torsion tube at the two ends are welded with the torsion tube body into a whole, the welding seam quality is higher than that of the base metal, and the fatigue cycle times reach 80-100 ten thousand times; the novel process multifunctional stabilizer bar is optimized on the basis of a common electrothermal dun forging structure, changes the shape forming process and the structural connection mode on the basis of the original process and design, is firstly created as a friction welding process, is designed as a novel process multifunctional stabilizer bar with high strength and high reliability, has high efficiency, low cost and low investment, improves the benefit of customers, adopts two independent large-outer-diameter end heads, and the material compositions of the end head material and the torsion tube body are close to or the same, and the end head shape is formed by machining; two independent large-outer-diameter end heads are adopted and formed by friction welding of a friction welding machine and a torsion tube body; the friction parameters were: the first-stage friction time is 3s, and the pressure is 2 tons; the secondary friction time is 40s, and the pressure is 5 tons; the upsetting pressure is 20 tons, and the pressure maintaining time is 10 s; the multifunctional stabilizer bar with the new process and the new structure has the advantages that: the quality is stable, the phenomenon of overburning is avoided, and the material is not damaged; the welding strength is higher than that of the base metal, and the welding strength is guaranteed; the welding efficiency is improved by 10 times compared with the electric heating upsetting; the welding cost is reduced by 10 times compared with the electric heating upsetting.
2. The friction welding multifunctional stabilizer bar adopts a large-tonnage friction welding machine, so that the welding speed and strength are improved, and the safety coefficient of the stabilizer bar is synchronously improved; the process and the structural design have the advantages that the stabilizer bar is simple in appearance, simple in process, rapid in processing, small in equipment investment, low in cost and free of smoke dust, energy conservation, emission reduction and environmental protection requirements are met, the whole production process is completed by one-time welding on a friction welding assembly line, automatic operation is realized, the stability of the process on the assembly line is good, the welding parts of parts are free of defects such as slag inclusion, air holes and slag overburning, and the product percent of pass is high.
3. The friction welding multifunctional stabilizer bar has the advantages of simple structure, no need of forging draft angle, light weight, stable quality, no overburning phenomenon, no damage to materials and no forging defect, replaces the electric heating pier head process and structural design, belongs to the field of multifunctional stabilizer bars for the first time in China, has higher welding strength than base metal, simple process, high yield, welding efficiency which is 10 times higher than that of electric heating pier forging and welding cost which is 10 times lower than that of electric heating pier forging, adopts a large-tonnage friction welding machine, improves welding speed and strength, synchronously improves safety coefficient of the stabilizer bars, has simple process, rapid processing, small equipment investment, low cost and no smoke dust generation, meets the requirements of energy saving, emission reduction and environmental protection, completes the whole production process by one-time welding on a friction welding production line, realizes automatic operation, has good stability of the process on the production line, and has no slag inclusion at the part welding part, Air holes, over-burning of dregs and the like, and the product qualification rate is high.
The parts which are not involved in the device are the same as or can be realized by the prior art, and the friction welding adopted in the invention has the advantages of high energy density, low heat input quantity, high welding speed, narrow weld seam heat affected zone, small welding deformation, high efficiency, higher welding quality than base metal and the like, thereby being beneficial to improving the joint quality of the multifunctional stabilizer bar of the automobile and reducing the manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram 1 of a friction-welded multifunctional stabilizer bar according to the present invention;
FIG. 2 is a schematic structural diagram of a friction-welded multifunctional stabilizer bar according to the present invention, shown in FIG. 2;
FIG. 3 is a schematic structural diagram of a friction-welded multifunctional stabilizer bar according to the present invention, which is shown in FIG. 3;
FIG. 4 is a schematic structural view of a portion A of FIG. 3 of a friction welding multifunctional stabilizer bar according to the present invention;
fig. 5 is a schematic structural view of a portion B in fig. 3 of a friction-welded multifunctional stabilizer bar according to the present invention.
In the figure: 1. a left rubber core; 101. a right rubber core; 102. a first steel jacket; 103. a second steel jacket; 104. a first fixed shaft; 105. a second fixed shaft; 2. a left pole piece; 201. a right pole piece; 202. a first circular hole; 203. a second circular hole; 204. a first weld; 205. a second weld; 3. welding an end head of the left torsion tube; 301. welding an end socket of the right torsion tube; 4. friction welding a welding opening; 5. the torsion tube body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-5, a friction-welded multifunctional stabilizer bar includes a torsion tube body 5, and further includes:
the friction welding craters 4 are arranged at two ends of the torsion tube body 5;
the welding end 3 of the left torsion tube is connected with the friction welding opening 4 at the left end of the torsion tube body 5 through friction welding;
the right torsion tube welding end 301 is connected to the friction welding opening 4 at the right end of the torsion tube body 5 through friction welding; the friction welding process is adopted, and the multifunctional stabilizer bar can be designed into a novel process multifunctional stabilizer bar with high strength and high reliability;
the left rod piece 2 is connected to the welding end 3 of the left torque tube;
a right rod piece 201 connected to the right torque tube welding end 301;
the left rubber core 1 is connected to one end, far away from the welding end 3 of the left torque tube, of the left rod piece 2;
and the right rubber core 101 is connected to one end of the right rod piece 201 far away from the right torsion tube welding end 301.
First round holes 202 are formed above the left rod piece 2 and the right rod piece 201, and the left torsion tube welding end 3 and the right torsion tube welding end 301 are connected in the first round holes 202.
The bottom of left pole piece 2 and right pole piece 201 all is equipped with second round hole 203, and core 1 is glued on a left side and core 101 is all connected in second round hole 203 to the right side.
The inner walls of the second round holes 203 on the left pole piece 2 and the right pole piece 201 are respectively connected with a first steel sleeve 102 and a second steel sleeve 103, a first fixed shaft 104 and a second fixed shaft 105 are respectively connected in the first steel sleeve 102 and the second steel sleeve 103 in a rotating mode, and the left rubber core 1 and the right rubber core 101 are respectively connected to the first fixed shaft 104 and the second fixed shaft 105.
The first welding line 204 and the second welding line 205 are arranged in the first round hole 202 and the second round hole 203, the left torsion tube welding end 3 and the right torsion tube welding end 301 are welded with the left rod piece 2 and the right rod piece 201 through the first welding line 204, the first steel sleeve 102 and the second steel sleeve 103 are welded with the left rod piece 2 and the right rod piece 201 through the second welding line 205, and the friction welding process is adopted at the first welding line 204 and the second welding line 205, so that the welding effect is better.
The thickness of the ends of the left and right rods 2 and 201 close to the left and right torque tube welding ends 3 and 301 is greater than that of the ends close to the left and right rubber cores 1 and 101.
In the invention, thick-wall large-diameter pipes are firstly used as a left torsion tube welding end 3 and a right torsion tube welding end 301 at two ends of a torsion tube body 5 and are clamped in a main shaft head clamp of a friction welding machine, then the torsion tube body 5 is clamped and fixed, the friction welding machine is started, and according to a preset welding program: primary friction, secondary friction, upsetting and pressure maintaining; the materials of the left torsion tube welding end 3 and the right torsion tube welding end 301 at the two ends are welded with the torsion tube body 5 into a whole, the welding seam quality is higher than that of the base metal, and the fatigue cycle times reach 80-100 ten thousand; the novel process multifunctional stabilizer bar is optimized on the basis of a common electrothermal dun forging structure, changes the shape forming process and the structural connection mode on the basis of the original process and design, is firstly created as a friction welding process, is designed as a novel process multifunctional stabilizer bar with high strength and high reliability, has high efficiency, low cost and low investment, improves the benefit of customers, adopts two independent large-outer-diameter end heads, and the material compositions of the end head material and the torsion tube body 5 are close to or the same, and the end head shape is formed by machining; two independent large-outer-diameter end heads are adopted and formed by friction welding through a friction welding machine and a torsion tube body 5; the friction parameters were: the first-stage friction time is 3s, and the pressure is 2 tons; the secondary friction time is 40s, and the pressure is 5 tons; the upsetting pressure is 20 tons, and the pressure maintaining time is 10 s; the multifunctional stabilizer bar with the new process and the new structure has the advantages that: the quality is stable, the phenomenon of overburning is avoided, and the material is not damaged; the welding strength is higher than that of the base metal, and the welding strength is guaranteed; the welding efficiency is improved by 10 times compared with the electric heating upsetting; the welding cost is reduced by 10 times compared with the electric heating upsetting.
According to the invention, a large-tonnage friction welding machine is adopted, so that the welding speed and strength are improved, and the safety coefficient of the stabilizer bar is synchronously improved; the process and the structural design have the advantages that the stabilizer bar is simple in appearance, simple in process, rapid in processing, small in equipment investment, low in cost and free of smoke dust, energy conservation, emission reduction and environmental protection requirements are met, the whole production process is completed by one-time welding on a friction welding assembly line, automatic operation is realized, the stability of the process on the assembly line is good, the welding parts of parts are free of defects such as slag inclusion, air holes and slag overburning, and the product percent of pass is high.
The invention has simple structure, does not need to set forging draft angle, has light weight, stable quality, no overburning phenomenon, does not damage materials, has no forging defect, replaces the technology and the structural design of the electric heating pier head, belongs to the field of multifunctional stabilizer bars for the first time in China, has higher welding strength than base metal, simple technology, high yield, welding efficiency which is 10 times higher than that of electric heating pier forging and welding cost which is 10 times lower than that of electric heating pier forging, adopts a large-tonnage friction welding machine to improve the welding speed and strength, synchronously improves the safety coefficient of the stabilizer bars, has simple technology, rapid processing, small equipment investment, low cost, no smoke dust generation, meets the requirements of energy saving, emission reduction and environmental protection, completes the whole production process on a friction welding production line in one step, realizes automatic operation, has good stability of the technological process on the production line, has no slag inclusion, air holes and air holes at the part welding part, The defects of slag overburning and the like and the product percent of pass is high.
Example 2:
a processing method of a friction welding multifunctional stabilizer bar adopts the following steps:
s1, firstly, clamping a thick-wall large-diameter pipe serving as a left torsion tube welding end 3 and a right torsion tube welding end 301 at two ends of a torsion tube body 5 in a main shaft head clamp of a friction welding machine;
s2, clamping and fixing the torsion tube body 5;
and S3, starting the friction welding machine, and welding the left torsion tube welding end 3 and the right torsion tube welding end 301 with the torsion tube body 5 according to the set welding program.
The welding procedure in step S3 includes primary friction, secondary friction, upset forging, and pressure holding.
The first-stage friction time in the welding procedure is 3s, and the pressure is 2 tons; the secondary friction time is 40s, and the pressure is 5 tons; the upsetting pressure is 20 tons; the dwell time was 10 s.
In the invention, thick-wall large-diameter pipes are firstly used as a left torsion tube welding end 3 and a right torsion tube welding end 301 at two ends of a torsion tube body 5 and are clamped in a main shaft head clamp of a friction welding machine, then the torsion tube body 5 is clamped and fixed, the friction welding machine is started, and according to a preset welding program: primary friction, secondary friction, upsetting and pressure maintaining; the materials of the left torsion tube welding end 3 and the right torsion tube welding end 301 at the two ends are welded with the torsion tube body 5 into a whole, the welding seam quality is higher than that of the base metal, and the fatigue cycle times reach 80-100 ten thousand; the novel process multifunctional stabilizer bar is optimized on the basis of a common electrothermal dun forging structure, changes the shape forming process and the structural connection mode on the basis of the original process and design, is firstly created as a friction welding process, is designed as a novel process multifunctional stabilizer bar with high strength and high reliability, has high efficiency, low cost and low investment, improves the benefit of customers, adopts two independent large-outer-diameter end heads, and the material compositions of the end head material and the torsion tube body 5 are close to or the same, and the end head shape is formed by machining; two independent large-outer-diameter end heads are adopted and formed by friction welding through a friction welding machine and a torsion tube body 5; the friction parameters were: the first-stage friction time is 3s, and the pressure is 2 tons; the secondary friction time is 40s, and the pressure is 5 tons; the upsetting pressure is 20 tons, and the pressure maintaining time is 10 s; the multifunctional stabilizer bar with the new process and the new structure has the advantages that: the quality is stable, the phenomenon of overburning is avoided, and the material is not damaged; the welding strength is higher than that of the base metal, and the welding strength is guaranteed; the welding efficiency is improved by 10 times compared with the electric heating upsetting; the welding cost is reduced by 10 times compared with the electric heating upsetting.
The invention has simple structure, does not need to set forging draft angle, has light weight, stable quality, no overburning phenomenon, does not damage materials, has no forging defect, replaces the process and the structural design of the electric heating pier head, has higher welding strength than a base metal, simple process, high yield, welding efficiency which is 10 times higher than that of the electric heating pier head and welding cost which is 10 times lower than that of the electric heating pier head, adopts a large-tonnage friction welding machine, improves the welding speed and strength, synchronously improves the safety coefficient of a stabilizer bar, has simple process, rapid processing, small equipment investment, low cost, no smoke and dust generation, meets the requirements of energy saving, emission reduction and environmental protection, completes the one-time welding on a friction welding assembly line in the whole production process, realizes automatic operation, has good stability of the process on the assembly line, has no defects of slag inclusion, air holes, overburning of slag and the like at the part welding part, and has high.
The multifunctional stabilizer bar of the heavy truck chassis at home and abroad adopts an electric heating pier head production process, so that the equipment investment is large, the occupied plant area is large, the pier head structural design has forging defects, the material utilization rate is low, the weight is large, the part structure and the forging die process design are complex, the lightweight advantage is not obvious, the production price is higher, the market economy and the competitiveness are poorer, and therefore a novel lightweight system which is more reasonable, more energy-saving and lower in price is urgently needed in the market and applied to the heavy truck market, so that the weight is lighter, the stress is more reasonable, and the development requirements of lightweight and energy conservation and emission reduction in the current market are met; aiming at the technical problems, the lightweight multifunctional friction welding stabilizer bar is designed and researched on the basis of the domestic existing technology and by combining the foreign tractor suspension technology, and the design and research of the technology promote the development of the domestic tractor industry.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A friction welding multifunctional stabilizer bar comprises a torsion tube body (5) and is characterized by further comprising:
the friction welding craters (4) are arranged at two ends of the torsion tube body (5);
the welding end (3) of the left torsion tube is connected with the friction welding opening (4) at the left end of the torsion tube body (5) through friction welding;
the right torsion tube welding end (301) is connected to the friction welding opening (4) at the right end of the torsion tube body (5) through friction welding;
the left rod piece (2) is connected to the welding end (3) of the left torque tube;
the right rod piece (201) is connected to the right torsion tube welding end (301);
the left rubber core (1) is connected to one end, far away from the welding end (3) of the left torque tube, of the left rod piece (2);
and the right rubber core (101) is connected to one end, far away from the right torsion tube welding end (301), of the right rod piece (201).
2. A friction-welded multifunctional stabilizer bar as claimed in claim 1, characterized in that a first circular hole (202) is formed above each of the left and right tie rods (2, 201), and the left and right torque tube welding ends (3, 301) are connected in the first circular hole (202).
3. A friction-welded multifunctional stabilizer bar as claimed in claim 2, characterized in that the bottom of each of the left rod piece (2) and the right rod piece (201) is provided with a second round hole (203), and the left rubber core (1) and the right rubber core (101) are connected in the second round hole (203).
4. A friction-welded multifunctional stabilizer bar as claimed in claim 3, characterized in that the inner walls of the second round holes (203) on the left rod piece (2) and the right rod piece (201) are respectively connected with a first steel sleeve (102) and a second steel sleeve (103), the first steel sleeve (102) and the second steel sleeve (103) are respectively and rotatably connected with a first fixed shaft (104) and a second fixed shaft (105), and the left rubber core (1) and the right rubber core (101) are respectively connected with the first fixed shaft (104) and the second fixed shaft (105).
5. The friction-welding multifunctional stabilizer bar as claimed in claim 4, wherein a first welding seam (204) and a second welding seam (205) are arranged in the first round hole (202) and the second round hole (203) in part, the left torsion tube welding end (3) and the right torsion tube welding end (301) are welded with the left rod piece (2) and the right rod piece (201) through the first welding seam (204), and the first steel sleeve (102) and the second steel sleeve (103) are welded with the left rod piece (2) and the right rod piece (201) through the second welding seam (205).
6. A friction-welded multifunctional stabilizer bar as claimed in claim 1, characterized in that the thickness of the ends of the left and right segments (2, 201) near the left and right torque tube welded ends (3, 301) is greater than the thickness of the ends near the left and right rubber cores (1, 101).
7. A method for processing a friction-welded multifunctional stabilizer bar, comprising the friction-welded multifunctional stabilizer bar as set forth in any one of claims 1 to 6, characterized by comprising the steps of:
s1, firstly, clamping a thick-wall large-diameter pipe serving as a left torsion tube welding end (3) and a right torsion tube welding end (301) at two ends of a torsion tube body (5) in a main shaft head clamp of a friction welding machine;
s2, clamping and fixing the torsion tube body (5);
and S3, starting the friction welding machine, and welding the left torsion tube welding end (3), the right torsion tube welding end (301) and the torsion tube body (5) together according to the set welding program.
8. The method of claim 7, wherein the welding procedure of step S3 includes primary friction, secondary friction, upset forging and pressure maintaining.
9. A method for processing a friction-welded multifunctional stabilizer bar as claimed in claim 8, characterized in that the first-stage friction time in the welding procedure is 3s, and the pressure is 2 tons; the secondary friction time is 40s, and the pressure is 5 tons; the upsetting pressure is 20 tons; the dwell time was 10 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010377661.1A CN111391600A (en) | 2020-05-07 | 2020-05-07 | Friction welding multifunctional stabilizer bar and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010377661.1A CN111391600A (en) | 2020-05-07 | 2020-05-07 | Friction welding multifunctional stabilizer bar and processing method thereof |
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| CN211942882U (en) * | 2020-05-07 | 2020-11-17 | 山东安博机械科技股份有限公司 | Friction welding multifunctional stabilizer bar |
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- 2020-05-07 CN CN202010377661.1A patent/CN111391600A/en active Pending
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| DE102009049117A1 (en) * | 2009-10-12 | 2011-04-14 | GM Global Technology Operations, Inc., Detroit | Friction welded composite link |
| CN101699021A (en) * | 2009-11-09 | 2010-04-28 | 山西环界石油钻具制造有限公司 | Friction welding type kelly bar |
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