CN105598642A - Wheel manufacturing method and wheel welding machine - Google Patents
Wheel manufacturing method and wheel welding machine Download PDFInfo
- Publication number
- CN105598642A CN105598642A CN201610033231.1A CN201610033231A CN105598642A CN 105598642 A CN105598642 A CN 105598642A CN 201610033231 A CN201610033231 A CN 201610033231A CN 105598642 A CN105598642 A CN 105598642A
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- Prior art keywords
- spoke
- wheel
- wheel rim
- welding machine
- push rod
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- 238000003466 welding Methods 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000004044 response Effects 0.000 claims description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 29
- 239000011889 copper foil Substances 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 26
- 238000000465 moulding Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 14
- 239000012212 insulator Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 229910001566 austenite Inorganic materials 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 description 12
- 239000012634 fragment Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
Abstract
The invention relates to the technical field of wheel manufacturing. The problems that the weight of wheels is large, the circular degree of the inner circumference face of a wheel rim is poor, and the position precision of a center hole and a bolt hole is poor are solved, and the problem that a supporting table of a wheel welding machine cannot rotate is solved. The wheel welding machine comprises a control circuit board, a supporting box, a welding gun connected to the supporting box in a liftable mode and a circular supporting table located below the welding gun. The supporting table is rotationally connected to the supporting box. The two radial sides of the supporting table are each provided with a push rod extending in the radial direction of the supporting table. The push rods are sleeved with sleeves elastically in an adjustable external elasticity mode. According to the wheel manufacturing method, the weight of the wheels is lowered, the circular degree of the inner circumference face of a wheel rim is good, and the position precision of a center hole and a bolt hole is high. The invention further provides the wheel welding machine. The wheel welding machine is provided with the rotatable supporting table which rotates conveniently and comfortably.
Description
Technical field
The present invention relates to wheel manufacture technology field, relate in particular to a kind of wheel preparation method and wheel weldering.
Background technology
Wheel comprises wheel rim and spoke, connects with the inner side of the installation spoke face of wheel rim with the lateral surface at spoke edge, by the mode of welding, spoke and wheel rim is formed a whole. Axial two ends at wheel rim are all provided with wheel rim, and while installing tire, the axial two ends of tire are connected to together with wheel rim; In wheel rim, be also provided with valve port, pass through for valve when the mounting tyre. The bolt hole that is provided with centre bore and circumferentially distributes along centre bore on the end wall of spoke is 2009200218307 in China Patent No., authorize within open day, be February 17 in 2010 day, be called in the patent documentation of " lightweight high-intensity rim " and disclose a kind of wheel. Wheel in this patent document comprises wheel rim and is welded on the spoke on wheel rim, wheel rim comprise wheel rim, bcad seats, protruding peak, kerve and with spoke contact point, spoke be connected to wheel rim with spoke contact point on, wheel rim is that surfaces externally and internally bus is all arc. Be 20081001205361 in China Patent No., authorize within open day, be February 7 in 2010 day, be called the preparation method that discloses a kind of wheel in the patent document of " aluminium alloy plate type wheel and processing method thereof ". Wheel rim and spoke are by together with wheel welding machine welding machine. Be 2014100084948 in Chinese Patent Application No., within open day, be April 30 in 2014 day, be called in the patent document of " a kind of wheel welding machine " and disclose a kind of existing wheel welding machine.
Existing wheel preparation method has the following disadvantages: make and the intensity that improves wheel by increasing the thickness of wheel rim and spoke makes intensity reach requirement by aluminium alloy, so can cause the weight of wheel heavier, the Heavy Weight of wheel can increase the oil consumption of automobile; The moulding before wheel rim and spoke link together of centre bore and bolt hole, the positional precision that causes centre bore and bolt hole is poor and affect the installation of wheel; Material consumption amount when wheel rim is made is large; The circularity of wheel rim inner peripheral surface is low; The bonding strength of the pad of spoke and wheel rim is poor; Wheel rim surfaces externally and internally can produce out-of-flatness phenomenon.
Existing wheel welding machine has the following disadvantages: can not make wheel rotate to realize to the whole circumferential continuous welding of wheel with respect to welding gun Energy and comfort.
Summary of the invention
The invention provides and a kind ofly can reduce wheel weight, the high wheel preparation method of wheel rim inner peripheral surface circularity positional precision good and centre bore and bolt hole, solved the existing wheel Heavy Weight of existing wheel preparation method, the poor problem of wheel rim inner peripheral surface circularity positional precision poor and centre bore and bolt hole.
The wheel welding machine of Energy and comfort when the present invention also provides a kind of brace table to rotate and to rotate, has solved existing wheel welding machine and can not make wheel rotate to realize the problem to the whole circumferential continuous welding of wheel with respect to welding gun Energy and comfort.
Above technical problem solves by following technical proposal: a kind of wheel preparation method, comprise that making wheel rim operation, making spoke operation are connected operation with rim and spoke, and it is characterized in that,
Described making wheel rim operation comprises following making step:
A1, moulding wheel rim pipe: the closed pipe of producing circumferential closure with steel plate; Closed pipe can be by curling for being processed, also can be processed by the mode of direct punching press by the mode of butt welding mouth after circle.
A2, moulding wheel rim blank: closed circle control is made to the wheel rim blank that diameter is less than rim design diameter;
A3, heating wheel rim blank: wheel rim blank is heated to the Ac3 temperature of the material of making wheel rim blank above and be heated to wheel rim blank microstructure and be converted into austenite and form hot wheel rim blank;
A4, moulding wheel rim: hot wheel rim blank is radially expanded outward to after the intended diameter that diameter reaches wheel rim more cooling and form wheel rim.
First, expand to make and directly then form wheel rim by the mode extending out through wheel rim blank less than normal, in process without shaping and also can make the circularity of wheel rim inner peripheral surface meet the requirements by mould in wheel rim, thereby can improve the convenience that adds man-hour. Existing method forms wheel rim by expanding in direct, in need to increasing in wheel rim, pattern ensures the circularity in week in wheel rim, and because wheel rim is not isometrical vertically everywhere, therefore interior pattern can only be spliced by many parts, so not only makes trouble but also easily produces stitching error and cause wheel rim inner peripheral surface circularity poor. The Ac3 temperature that wheel rim temperature is heated to corresponding Steel material extends out above, laborsaving while not only expansion, can improve rim surface flatness, and the dimensional accuracy of wheel rim, and cooling rear workpiece material changes into martensite by austenite completely, its hardness reaches HRC52 left and right, and its tensile strength reaches 1300Mpa～1500MPa; Can fall like this and ensure that the thickness that reduces wheel rim under the prerequisite of wheel rim intensity is also weight.
Described making spoke operation comprises following making step:
The spoke substrate of B1, forming strip fabrication hole: process the spoke substrate of round sheet structure by steel plate, process fabrication hole at the center of spoke substrate;
B2, heating spoke substrate: by wheel rim base plate heating to more than the Ac3 temperature of the material of making spoke substrate and be heated to spoke substrate microstructure and be converted into austenite and form hot spoke substrate;
B3, moulding spoke: after shape spoke, make spoke cooling along axially the carrying out punching press of hot spoke substrate, described spoke comprises the spoke perisporium of taper and is connected to the spoke end wall of spoke perisporium miner diameter end again;
The Ac3 temperature that spoke temperature is heated to Steel material is carried out moulding above, not only laborsaving when punching press, can improve the dimensional accuracy of spoke simultaneously; And cooling rear workpiece material changes into martensite by austenite completely, its hardness reaches HRC52 left and right, and its tensile strength reaches 1300Mpa～1500MPa; Can fall like this at the thickness that ensures to reduce under the prerequisite of Spoke Strength spoke is also weight.
Described rim and spoke connects operation and comprises following making step:
C1, wheel rim cover is set on spoke perisporium bigger diameter end;
C2, spoke perisporium and wheel rim are welded together by welding machine;
C3, moulding centre bore and bolt hole: described fabrication hole is opened up to expansion and formed the circumferential distribution along described centre bore of the centre bore being positioned on described spoke end wall, the bolt hole of offering setting quantity on described spoke end wall and screwed hole. After wheel rim and spoke connect, start again centre bore and bolt hole processing, can ensure easily the precision of hole site.
A kind of wheel welding machine, comprise control circuit board, support box, liftable is connected to the welding gun on support box and is positioned at the circular support platform of welding gun below, described brace table is rotationally connected with described support box by rotating shaft, the radially both sides of described brace table are respectively provided with a push rod radially extending along brace table, the outer resilient sleeve of push rod is provided with sleeve pipe, between described push rod and sleeve pipe, be provided with the elastic adjusting mechanism of the elastic force between adjusting sleeve pipe and push rod, described elastic adjusting mechanism comprises that to be set in push rod outer and be located in the base tube in sleeve pipe and be looped around the holding sheet of described base tube outside, described holding sheet is made up of the some fricting strips along the circumferential distribution of base tube, described fricting strip is provided with some slide bars that radially extend along base tube, described slide bar slides and is arranged in described base tube, the inner of described slide bar is provided with the outer shift-in of driving slide bar and drives fricting strip to be connected to the 3rd spring together with sleeve pipe, described elastic adjusting mechanism is also provided with the pretightning force adjustment structure of the pretightning force that regulates described the 3rd spring. when use, wheel rim and spoke are set on brace table simultaneously and realize and be fixed on location, then by welding gun, wheel rim and spoke are welded together by continuous weld seam by gripping push rod and carry out rotational support boss when. two push rods are set can be realized people with minimum quantity and can drive support rim rotation when motionless. push rod in the technical program has elasticity, thereby improves the comfortableness while use, and the elastic effect in the technical program can also change, to adapt to different needs. the flexible concrete adjustment process of push rod is, drive the 3rd spring moving radially along base tube by pretightning force adjustment structure, thereby fricting strip is changed with the normal pressure of sleeve pipe, thereby realize the change of pretightning force, make the size of the power that sleeve pipe rocks with respect to push rod change the elastic effect that reaches different.
As preferably, described pretightning force adjustment structure comprises two conical heads that base tube are supported on to the tubular structure outside push rod, drive conical head move axially and can make conical head stop at desired location drives structure and some push rods, described two conical heads are slidably connected in the two ends of described base tube in the mode of miner diameter end subtend setting, the two ends of described push rod are shelved on the conical surface of described two conical heads, all described slide bars of same fricting strip pass through described spring supporting on same described push rod, the described slide bar of each piece fricting strip respectively supports by a described push rod. when adjusting, realize the change of push rod along base tube radial position thereby realize push rod by the position of axial change conical head along moving radially of base tube, thereby realize the change of the 3rd initial tension of spring. convenience when adjusting is good.
As preferably, described drives structure comprises two jacking blocks in the two ends that are threaded in described base tube, and described two conical heads are between described two jacking blocks. Drive conical head to realize adjusting by rotating jacking block, regulating puts in place locates automatically, and convenience when use is better.
As preferably, described control circuit board is provided with binding post, described binding post comprises insulator and is arranged at the wiring Copper Foil of power supply to control circuit board that induce one of insulator, described wiring Copper Foil is provided with the wiring hole penetrating in described insulator, in described wiring hole, slidably connect sleeve, described sleeve comprises the conductive segment together with being connected to same wiring Copper Foil along the insulating segment of sleeve axial distribution, in described insulator, be provided with the air cavity that the heat that produces by wiring Copper Foil heats and the overload response cylinder for driving conductive segment to stagger with described wiring Copper Foil driving by the gas expansion in air cavity. inducing one power supply while connecting with power line to control circuit, power line is inserted in sleeve and realize the electrical connection with sleeve, is that conductive segment links together and conducts with wiring Copper Foil when normal condition. in the time of overload, circuit can produce temperature rise, gas in air cavity can be produced expansion, when the gas expansion of air cavity, overload response cylinder produces action and drives sleeve to slide in wiring hole, transship response air cylinder driven during to design temperature when temperature rise and slide into conductive segment to sleeve and stagger with wiring Copper Foil, thereby realize power-off, when temperature after Failure elimination can decline, the temperature contraction of gas in air cavity that declines, the result of shrinking be make sleeve in wiring hole during towards same temperature rise contrary direction slide, thereby in the time that temperature returns to normal value conductive segment link together to realize with wiring Copper Foil again and automatically reset. can realize overload protection.
As preferably, described overload response cylinder comprises overload response cylinder block and overload response cylinder piston, described overload response cylinder block is divided into enclosed cavity and open cavity by described overload response cylinder piston, described enclosed cavity is communicated with described air cavity, and described overload response cylinder piston links together with described sleeve by connecting rod. Simple in structure. Easy to make.
As preferably, described wiring hole extends along the vertical direction, and described wiring Copper Foil is positioned at the lower end of described wiring hole, and described insulating segment is positioned at the below of described conductive segment, described insulating segment is sealed connected together with described wiring hole, in described wiring hole, is filled with conduction liquid. Can avoid repeatedly moving producing and when producing electrical contact bad phenomenon and prevent from moving after wearing and tearing, produce sparking.
As preferably, described insulating segment is provided with exterior seal ring that insulating segment is sealed connected together with wiring hole and the inner seal ring for insulating segment is sealed connected together with power line. Can both ensure that sleeve is sealed connected together reliably with wiring Copper Foil, and can reduce the resistance when mobile.
As preferably, the inner peripheral surface of described insulating segment is provided with support ball. Can further reduce the resistance when mobile, the sensitivity when improving moving overload response.
As preferably, the inner peripheral surface of described conductive segment is provided with the inner support shell fragment, the outer peripheral face that radially inwardly arch upward along conductive segment and is provided with the outer support shell fragment radially outward arching upward along conductive segment. The electrical equipment reliability in when contact can either be improved, resistance when mobile can be reduced again to improve response sensitivity.
Method of the present invention has following advantage: centre bore, bolt hole and wind hole etc. to reshaping after connecting, can make position, the hole precision of centre bore and bolt hole meet the requirements at spoke and wheel rim easily; First, expand to make and directly then form wheel rim by the mode extending out through being less than standard-sized wheel rim blank, in process, without shaping and can make the circularity of wheel rim inner peripheral surface meet the requirements by mould, can improve the convenience that adds man-hour in wheel rim; Wheel rim and spoke do with steel and be heated to the Ac3 temperature of material in temperature more than carry out moulding, not only laborsaving when moulding; And the hardness of wheel reaches about HRC52, its tensile strength reaches 1300Mpa～1500MPa; Thereby can in the situation that ensureing wheel strength, realize the reduction of wheel weight.
Wheel welding machine of the present invention has following advantage: support rim can rotate, and comfortableness when rotational support boss is good; Can automatically realize overload protection.
Brief description of the drawings
The schematic diagram of the closed pipe that Fig. 1 the present invention produces.
Fig. 2 is the schematic diagram of the wheel rim blank produced of the present invention.
Fig. 3 is the schematic diagram of the wheel rim produced of the present invention.
Fig. 4 is the schematic diagram of the spoke substrate produced of the present invention.
Fig. 5 is the schematic diagram of the spoke produced of the present invention.
Fig. 6 is the spoke produced of the present invention and the wheel rim schematic diagram while linking together.
Fig. 7 is that the wheel that the present invention produces is opened the schematic diagram after centre bore and bolt hole.
Fig. 8 is the structural representation of the wheel welding machine in embodiment mono-.
Fig. 9 is the cross sectional representation of the push rod in Fig. 8.
Figure 10 is the axial cross-sectional schematic of the push rod in Fig. 8.
Figure 11 is the enlarged diagram of the binding post of the wheel welding machine in embodiment bis-.
Figure 12 is the schematic diagram of the binding post in embodiment bis-while linking together with power line.
In figure: closed pipe 11, wheel rim blank 12, wheel rim 13, spoke substrate 14, fabrication hole 141, spoke 15, spoke perisporium 151, spoke end wall 152, centre bore 154, bolt hole 155, control circuit board 2, binding post 3, wiring Copper Foil 31, wiring hole 32, air-vent 321, insulator 33, sleeve 34, insulating segment 341, conductive segment 342, exterior seal ring 343, inner seal ring 344, support ball 345, inner support shell fragment 346, outer support shell fragment 347, air cavity 35, overload response cylinder 36, overload response cylinder block 361, enclosed cavity 3611, open cavity 3612, pore 3613, overload response cylinder piston 362, connecting rod 363, air flue 37, power line 38, support box 4, welding gun 5, brace table 6, push rod 61, sleeve pipe 611, rotating shaft 62, elastic adjusting mechanism 8, base tube 81, holding sheet 82, fricting strip 821, slide bar 822, the 3rd spring 823, pretightning force adjustment structure 83, conical head 831, push rod 832, drives structure 833, jacking block 8331.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
A kind of hot forming wheel preparation method, comprises that making wheel rim operation, making spoke operation are connected operation with rim and spoke.
Make wheel rim operation and comprise following making step:
Referring to Fig. 1, A1, moulding wheel rim pipe: the closed pipe 11 of producing circumferential closure with steel plate.
Referring to Fig. 2, A2, moulding wheel rim blank: closed circle control is made to the wheel rim blank 12 that diameter is less than rim design diameter.
Referring to Fig. 3, A3, heating wheel rim blank: wheel rim blank is heated to the Ac3 temperature of the material of making wheel rim blank above and be heated to wheel rim blank microstructure and be converted into austenite and form hot wheel rim blank;
A4, moulding wheel rim: hot wheel rim blank is radially expanded outward to after the intended diameter that diameter reaches wheel rim more cooling and form wheel rim 13. The cooling detailed process of this step is: in expansion pressure machine (for the equipment of existing making wheel), be cooled to after 25 DEG C of 200 DEG C of +/-, then shift out and naturally cooling in air. This cooling means is conducive to accelerate hydrogen and diffuses out from metal, thereby has avoided hydrogen embrittlement, and hydrogen embrittlement is harmful to the quality of wheel.
Make spoke operation and comprise following making step:
Referring to Fig. 4, the spoke substrate of B1, forming strip fabrication hole: process the spoke substrate 14 of circular piece assembling structure by metallic plate, process fabrication hole 141 at spoke substrate 14 center.
B2, heating spoke substrate: by wheel rim base plate heating to more than the Ac3 temperature of the material of making spoke substrate and be heated to spoke substrate microstructure and be converted into austenite and form hot spoke substrate.
Referring to Fig. 5, B3, moulding spoke: after shape spoke 15, make spoke cooling along axially the carrying out punching press of hot spoke substrate, spoke 15 comprises the spoke perisporium 151 of taper and is connected to the spoke end wall 152 of spoke perisporium miner diameter end again. The cooling detailed process of this step is: in expansion pressure machine (for the equipment of existing making wheel), be cooled to after 25 DEG C of 200 DEG C of +/-, then shift out and naturally cooling in air. This cooling means is conducive to accelerate hydrogen and diffuses out from metal, thereby has avoided hydrogen embrittlement, and hydrogen embrittlement is harmful to the quality of wheel.
Rim and spoke connects operation and comprises following making step:
Referring to Fig. 6, C1, wheel rim 13 cover is set to spoke perisporium 151 bigger diameter ends.
C2, spoke perisporium 151 and wheel rim 13 are welded together by gear welding machine.
Referring to Fig. 7, C3, moulding centre bore and bolt hole: fabrication hole 141 is opened up to expand and form be positioned at centre bore 154 on spoke end wall 152, on spoke end wall 152, offer the bolt hole 155, bolt hole 155 of setting quantity along the circumferential distribution of centre bore 154.
In above embodiment can be existing then a kind of steel plate for making the steel plate of wheel rim and spoke, just AC3 temperature difference, but preferred boron alloyed steel can be realized lightweight better, and the AC3 temperature of boron alloyed steel is 950 DEG C.
In above C2 step, a kind of embodiment of wheel welding machine used is:
Referring to Fig. 8, a kind of wheel welding machine, comprises that control circuit board 2, support box 4, liftable are connected to the welding gun 5 on support box and are positioned at the circular support platform 6 of welding gun below. Control circuit board 2 is for realizing the electrical control of this wheel welding machine. Control circuit board 2 is provided with binding post 3. Below be all existing structure, what adopt is the structure of the wheel welding machine in background technology.
Brace table 6 is rotationally connected with support box 4 by rotating shaft 62. Rotating shaft 62 is vertically extended. The radially both sides of brace table 6 are respectively provided with a push rod 61. Push rod 61 radially extends along brace table. Two push rods 61 are symmetrical. The outer resilient sleeve of push rod 61 is provided with sleeve pipe 611.
Referring to Fig. 9, between push rod 61 and sleeve pipe 611, be provided with elastic adjusting mechanism 8. Elastic adjusting mechanism 8 comprises base tube 81, holding sheet 82 and pretightning force adjustment structure 83. Base tube 81 is set in outside push rod 61. Base tube 81 is located in sleeve pipe 611. Holding sheet 82 is made up of some fricting strips 821. Fricting strip 821 is along the circumferential distribution of base tube 81. Fricting strip 821 is provided with some slide bars that radially extend axial distribution 822 along base tube. Slide bar 822 slides and is arranged in base tube 81. The inner of slide bar 822 is provided with the 3rd spring 823. The 3rd spring 823 drives fricting strip to be connected to together with sleeve pipe 611 by slide bar. The pretightning force adjustment structure 83 of moving outward comprises two conical heads 831 and some push rods 832. Conical head 831 is tubular structure. Conical head 831 is set on push rod 61 and is located in that base tube 81 is interior to link together base tube 81 with push rod 61. Conical head 831 is only connected in base tube 81 slidably. Push rod 832 extends axially along the circumferential distribution of base tube 81. All slide bars 822 of same fricting strip 821 are supported on same push rod 832 by the 3rd spring 823, and the slide bar of each piece fricting strip respectively supports by a push rod.
Referring to Figure 10, two conical heads 831 are slidably connected in the two ends of base tube 81 in the mode of miner diameter end subtend setting. The two ends of push rod 832 are shelved on the conical surface of two conical heads 831. Pretightning force adjustment structure 83 also comprises drives structure 833. . Drives structure 833 comprises two jacking blocks 8331 in the two ends that are threaded in base tube 81. Jacking block 8331 is set on push rod 61. Two conical heads 831 are between two jacking blocks 8331.
Referring to Fig. 8, when welding machine, on sleeve pipe 611, carry out rotational support platform 6 by holding to be held in.
Referring to Figure 10 and Fig. 9, the process of adjusting the elastic effect of sleeve pipe is: drive conical head 831 axially moving along base tube 81 by rotating jacking block 8331, conical head 831 drives push rod 832 along the moving radially of base tube 81, and push rod 832 pushes the 3rd spring 823 and changes pretightning force.
Embodiment bis-, with the difference of embodiment mono-is:
Referring to Figure 11, binding post 3 comprises insulator 33 and is arranged at the wiring Copper Foil 31 of insulator surface. Insulator 33 is fixed together with the shell of motor 53. Wiring Copper Foil 31 is electrically connected with control circuit board 2, and the power supply that induces one is to control circuit board 2. Wiring Copper Foil 31 is provided with wiring hole 32. Wiring hole 32 penetrates in insulator 33. Wiring hole 32 is the blind hole of upper end closed of extending along the vertical direction. The lower end that wiring Copper Foil 31 is positioned at wiring hole 32 is openend. In wiring hole 32, slidably connect sleeve 34. Sleeve 34 comprises insulating segment 341 and conductive segment 342. Insulating segment 341 and conductive segment 342 are along sleeve 34 axial distribution. Insulating segment 341 is positioned at the below of conductive segment 342. In insulator 33, be provided with air cavity 35 and overload response cylinder 36. Wiring Copper Foil 31 forms a part for the wall of air cavity 35. Overload response cylinder 36 has two at least. Overload response cylinder 36 is along the circumferential distribution of sleeve 34. Overload response cylinder 36 comprises overload response cylinder block 361 and overload response cylinder piston 362. Overload response cylinder block 361 is divided into enclosed cavity 3611 and open cavity 3612 by overload response cylinder piston 362. Enclosed cavity 3611 is communicated with air cavity 35 by air flue 37. Open cavity 3612 is provided with pore 3613, realizes open by pore 3613 with atmosphere connection. Overload response cylinder piston 362 links together with the insulating segment 341 in sleeve 34 by connecting rod 363. The axis of overload response cylinder piston 362 is parallel with the axis of sleeve 34.
Insulating segment 341 is arranged with exterior seal ring 343. Exterior seal ring 343 is rubber ring. Exterior seal ring 343 is sealed connected together insulating segment 341 with wiring Copper Foil 31. Insulating segment 341 inner peripheral surfaces are provided with inner seal ring 344 and some support balls 345. The inner peripheral surface of conductive segment 342 is provided with inner support shell fragment 346. The domes of inner support shell fragment 346 for radially inwardly arching upward along conductive segment. The outer peripheral face of conductive segment 342 is provided with outer support shell fragment 347. The domes of outer support shell fragment 347 for radially outward arching upward along conductive segment. Conductive segment 342 is connected to together with wiring Copper Foil 31 by outer support shell fragment 347. The upper end of wiring hole 32 is provided with air-vent 321.
Referring to Figure 12, the power supply that induces one is during to control circuit board 2, and sleeve 34 is inserted in one end that power line 38 is arranged in to wiring Copper Foil 31 from wiring hole 32. Inner seal ring 344 is sealed connected together insulating segment 341 with power line 38. Inner support shell fragment 346 is connected to together conductive segment 342 and power line 38 electric conductivity is linked together with power line 38 elasticity. In wiring hole 32, add conduction liquid.
In the time of overload, wiring Copper Foil 31 can produce temperature rise, gas in air cavity 35 can be produced and expand and iodine produces distillation and air pressure in air cavity 35 is raise, and the structure that air pressure raises is that the gas air intake duct 37 in air cavity 35 flows in enclosed cavity 3611 and drives (pressure in open cavity 3612 remains that same atmospheric pressure is identical) overload response cylinder piston 362 to move up. Overload response cylinder piston 362 drives sleeve 34 to move on wiring hole 32 is interior by connecting rod 363. Transship response cylinder 36 during to design temperature when temperature rise and drive sleeve to slide into that conductive segment 342 staggers with wiring Copper Foil 31 and insulating segment 341 contacts with wiring Copper Foil 31, thereby realize power-off. When temperature after Failure elimination can decline, contraction of gas and iodine that temperature declines in air cavity 35 become solid-state and the air pressure in air cavity 36 are declined, decline result for making sleeve 34 at the interior down sliding of wiring hole 32, thereby in the time that temperature returns to normal value conductive segment 342 again with wiring Copper Foil 31 link together realization automatically reset.
Claims (8)
1. a wheel preparation method, comprises that making wheel rim operation, making spoke operation are connected operation with rim and spoke, it is characterized in that,
Described making wheel rim operation comprises following making step:
A1, moulding wheel rim pipe: the closed pipe of producing circumferential closure with steel plate;
A2, moulding wheel rim blank: closed circle control is made to the wheel rim blank that diameter is less than rim design diameter;
A3, heating wheel rim blank: wheel rim blank is heated to the Ac3 temperature of the material of making wheel rim blank above and be heated to wheel rim blank microstructure and be converted into austenite and form hot wheel rim blank;
A4, moulding wheel rim: hot wheel rim blank is radially expanded outward to after the intended diameter that diameter reaches wheel rim more cooling and form wheel rim;
Described making spoke operation comprises following making step:
The spoke substrate of B1, forming strip fabrication hole: process the spoke substrate of round sheet structure by steel plate, process fabrication hole at the center of spoke substrate;
B2, heating spoke substrate: by wheel rim base plate heating to more than the Ac3 temperature of the material of making spoke substrate and be heated to spoke substrate microstructure and be converted into austenite and form hot spoke substrate;
B3, moulding spoke: after shape spoke, make spoke cooling along axially the carrying out punching press of hot spoke substrate, described spoke comprises the spoke perisporium of taper and is connected to the spoke end wall of spoke perisporium miner diameter end again;
Described rim and spoke connects operation and comprises following making step:
C1, wheel rim cover is set on spoke perisporium bigger diameter end;
C2, spoke perisporium and wheel rim are welded together by welding machine;
C3, moulding centre bore and bolt hole: described fabrication hole is opened up to expansion and formed the circumferential distribution along described centre bore of the centre bore being positioned on described spoke end wall, the bolt hole of offering setting quantity on described spoke end wall and screwed hole.
2. one kind is applicable to the wheel welding machine of wheel preparation method claimed in claim 1, comprise control circuit board, support box, liftable is connected to the welding gun on support box and is positioned at the circular support platform of welding gun below, it is characterized in that, described brace table is rotationally connected with described support box by rotating shaft, the radially both sides of described brace table are respectively provided with a push rod radially extending along brace table, the outer resilient sleeve of push rod is provided with sleeve pipe, between described push rod and sleeve pipe, be provided with the elastic adjusting mechanism of the elastic force between adjusting sleeve pipe and push rod, described elastic adjusting mechanism comprises that to be set in push rod outer and be located in the base tube in sleeve pipe and be looped around the holding sheet of described base tube outside, described holding sheet is made up of the some fricting strips along the circumferential distribution of base tube, described fricting strip is provided with some slide bars that radially extend along base tube, described slide bar slides and is arranged in described base tube, the inner of described slide bar is provided with the outer shift-in of driving slide bar and drives fricting strip to be connected to the 3rd spring together with sleeve pipe, described elastic adjusting mechanism is also provided with the pretightning force adjustment structure of the pretightning force that regulates described the 3rd spring.
3. wheel welding machine according to claim 2, it is characterized in that, described pretightning force adjustment structure comprises two conical heads that base tube are supported on to the tubular structure outside push rod, drive conical head move axially and can make conical head stop at desired location drives structure and some push rods, described two conical heads are slidably connected in the two ends of described base tube in the mode of miner diameter end subtend setting, the two ends of described push rod are shelved on the conical surface of described two conical heads, all described slide bars of same fricting strip pass through described spring supporting on same described push rod, the described slide bar of each piece fricting strip respectively supports by a described push rod.
4. wheel welding machine according to claim 3, is characterized in that, described drives structure comprises two jacking blocks in the two ends that are threaded in described base tube, and described two conical heads are between described two jacking blocks.
5. according to the wheel welding machine described in claim 2 or 3 or 4, it is characterized in that, described control circuit board is provided with binding post, described binding post comprises insulator and is arranged at the wiring Copper Foil of power supply to control circuit board that induce one of insulator, described wiring Copper Foil is provided with the wiring hole penetrating in described insulator, in described wiring hole, slidably connect sleeve, described sleeve comprises the conductive segment together with being connected to same wiring Copper Foil along the insulating segment of sleeve axial distribution, in described insulator, be provided with the air cavity that the heat that produces by wiring Copper Foil heats and the overload response cylinder for driving conductive segment to stagger with described wiring Copper Foil driving by the gas expansion in air cavity.
6. wheel welding machine according to claim 5, it is characterized in that, described overload response cylinder comprises overload response cylinder block and overload response cylinder piston, described overload response cylinder block is divided into enclosed cavity and open cavity by described overload response cylinder piston, described enclosed cavity is communicated with described air cavity, and described overload response cylinder piston links together with described sleeve by connecting rod.
7. wheel welding machine according to claim 5, it is characterized in that, described wiring hole extends along the vertical direction, described wiring Copper Foil is positioned at the lower end of described wiring hole, described insulating segment is positioned at the below of described conductive segment, described insulating segment is sealed connected together with described wiring hole, in described wiring hole, is filled with conduction liquid.
8. wheel welding machine according to claim 7, is characterized in that, described insulating segment is provided with exterior seal ring that insulating segment is sealed connected together with wiring hole and the inner seal ring for insulating segment is sealed connected together with power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610033231.1A CN105598642A (en) | 2016-01-19 | 2016-01-19 | Wheel manufacturing method and wheel welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610033231.1A CN105598642A (en) | 2016-01-19 | 2016-01-19 | Wheel manufacturing method and wheel welding machine |
Publications (1)
| Publication Number | Publication Date |
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| CN105598642A true CN105598642A (en) | 2016-05-25 |
Family
ID=55979260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610033231.1A Withdrawn CN105598642A (en) | 2016-01-19 | 2016-01-19 | Wheel manufacturing method and wheel welding machine |
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| Country | Link |
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| CN (1) | CN105598642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935513A (en) * | 2021-04-09 | 2021-06-11 | 浙江欧星环美汽车部件有限公司 | Welding device and welding method for spoke and rim |
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| JPH0788724A (en) * | 1993-09-16 | 1995-04-04 | Junji Baba | Manufacture of two-piece aluminum wheel |
| US5446962A (en) * | 1992-11-04 | 1995-09-05 | Norris Industries, Inc. | Process of manufacturing one-piece forged wheels |
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| CN103639465A (en) * | 2013-12-09 | 2014-03-19 | 天津市金万方钢结构有限公司 | Expansion shaft |
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| CN104191900A (en) * | 2014-08-20 | 2014-12-10 | 上海兴浦旋压车轮有限公司 | Integrated plate welded-joint-free vehicle wheel and forming method of integrated plate welded-joint-free vehicle wheel |
| CN104551552A (en) * | 2014-11-25 | 2015-04-29 | 浙江金固股份有限公司 | Thermally-formed wheel manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5446962A (en) * | 1992-11-04 | 1995-09-05 | Norris Industries, Inc. | Process of manufacturing one-piece forged wheels |
| JPH0788724A (en) * | 1993-09-16 | 1995-04-04 | Junji Baba | Manufacture of two-piece aluminum wheel |
| US20050120557A1 (en) * | 2000-11-08 | 2005-06-09 | Gatton Geoffrey L. | Process for copper free chrome plating of a vehicle wheel surface |
| CN103273167A (en) * | 2013-05-28 | 2013-09-04 | 嘉兴四通车轮股份有限公司 | Double-station wheel double-wire welding machine |
| CN103639465A (en) * | 2013-12-09 | 2014-03-19 | 天津市金万方钢结构有限公司 | Expansion shaft |
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| CN112935513A (en) * | 2021-04-09 | 2021-06-11 | 浙江欧星环美汽车部件有限公司 | Welding device and welding method for spoke and rim |
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Application publication date: 20160525 |