WO2022183734A1 - 金属材料复合加工方法 - Google Patents

金属材料复合加工方法 Download PDF

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Publication number
WO2022183734A1
WO2022183734A1 PCT/CN2021/123161 CN2021123161W WO2022183734A1 WO 2022183734 A1 WO2022183734 A1 WO 2022183734A1 CN 2021123161 W CN2021123161 W CN 2021123161W WO 2022183734 A1 WO2022183734 A1 WO 2022183734A1
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WO
WIPO (PCT)
Prior art keywords
plate body
roll
stripes
texturing
metal material
Prior art date
Application number
PCT/CN2021/123161
Other languages
English (en)
French (fr)
Inventor
朱卫
张忠
李鹏飞
Original Assignee
江苏康瑞新材料科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202121222395.1U external-priority patent/CN215965504U/zh
Priority claimed from CN202121888058.6U external-priority patent/CN216397532U/zh
Priority claimed from CN202110912766.7A external-priority patent/CN113617845A/zh
Application filed by 江苏康瑞新材料科技股份有限公司 filed Critical 江苏康瑞新材料科技股份有限公司
Priority to KR1020237030979A priority Critical patent/KR20230154867A/ko
Priority to CN202180005085.0A priority patent/CN115315321A/zh
Priority to US17/917,224 priority patent/US20230158558A1/en
Priority to EP21928808.1A priority patent/EP4302891A1/en
Priority to US18/026,715 priority patent/US20230339211A1/en
Priority to PCT/CN2022/077564 priority patent/WO2022183957A1/zh
Priority to KR1020237030983A priority patent/KR20230154870A/ko
Priority to US18/026,730 priority patent/US20230344924A1/en
Priority to EP22762422.8A priority patent/EP4302893A1/en
Priority to KR1020237030982A priority patent/KR20230154869A/ko
Priority to KR1020237030980A priority patent/KR20230154868A/ko
Priority to PCT/CN2022/077563 priority patent/WO2022183956A1/zh
Priority to CN202280000258.4A priority patent/CN115397663A/zh
Priority to CN202280000261.6A priority patent/CN115397665A/zh
Priority to CN202280000266.9A priority patent/CN115315322A/zh
Priority to PCT/CN2022/077565 priority patent/WO2022183958A1/zh
Priority to US18/026,737 priority patent/US20230339210A1/en
Priority to EP22762424.4A priority patent/EP4302993A1/en
Priority to EP22762423.6A priority patent/EP4302992A1/en
Publication of WO2022183734A1 publication Critical patent/WO2022183734A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
    • 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
    • B23K20/04—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the invention relates to the technical field of material processing, in particular to a composite processing method for metal materials.
  • Metal clad rolling is a processing method that combines metals with different physical and chemical properties through rolling so that they are firmly combined with each other on the entire contact surface.
  • the composite workpiece obtained by rolling has defects such as burrs and burrs. These defects need to be dealt with in the subsequent production process, and the production cost is greatly increased.
  • rolling equipment with four rolls is used for rolling, wherein the four rolls include two work rolls and two side rolls.
  • the aluminum alloy is rolled and formed, and the two side rolls roll the side of the composite workpiece during or after the forming process.
  • the friction between the side rollers is too large and damages the rolling equipment, which makes it difficult to guarantee the width of the composite workpiece, and when the pressing degree of the side rollers is insufficient or the deviation of the raw material size is large, the width direction of the composite workpiece is more likely to produce flying. edges and glitches.
  • the invention provides a metal material composite processing method, which is used to solve the problems in the prior art that the processing precision of the rolling process is not high, and the flash and burrs are easily generated.
  • the present invention provides a metal material composite processing method, comprising:
  • the first plate body and the second plate body are placed in a groove in the circumferential direction of the first roll, and the third surface of the second plate body is brought into contact with the bottom wall of the groove, wherein the The third surface is opposite to the second surface, and the hardness of the first plate body is smaller than the hardness of the second plate body;
  • At least one of the first surface and the second surface is textured, so that at least one of the first surface and the second surface forms a plurality of stripes, between adjacent stripes Set the spacing, and control the preset ratio that the number of stripes at the preset spacing is greater than or equal to the total number of stripes.
  • the stripes on the first surface are controlled at a preset pitch of 0.005mm-0.03mm, and a preset ratio of 90%.
  • the stripes on the first surface are controlled at a preset spacing of 0.01mm-0.02mm; the preset ratio is 90%.
  • the stripes on the first surface are controlled at a preset pitch of 0.01mm-0.02mm, and a preset ratio of 80%.
  • the stripes on the first surface are controlled at a preset pitch of 0.01mm-0.02mm, and a preset ratio of 70%.
  • the stripes on the first surface are controlled at a preset spacing of 0.01mm-0.02mm, and a preset ratio of 50%.
  • Stripes are formed by rubbing at least one of the first surface and the second surface with a textured friction roller, the textured friction roller includes a wire brush roller, and the pressure of the wire brush roller during operation is 1Mpa ⁇ 1.5 Mpa, the diameter of the wire brush roller is 250mm ⁇ 400mm, the rotational speed of the wire brush roller is 400r/min ⁇ 600r/min, the wire hardness of the wire brush roller is HRC55 ⁇ 60, the length of the brush wire It is 10mm-40mm, and the diameter of the brush wire is 0.3mm-0.5mm.
  • At least one of the first surface and the second surface is rubbed to form stripes by a textured friction roller
  • the textured friction roller includes a grinding wheel
  • the sand grains of the grinding wheel are 40-120
  • the grinding wheel The pressure received during operation is 0.1MPa-0.5MPa
  • the diameter of the grinding wheel is 200mm-400mm.
  • the number of stripes per unit area of the first surface is less than a corresponding preset value, and the height of the textured friction roller is controlled to increase, and the textured friction roller is used for rubbing the first surface to form stripes;
  • Also before the step of controlling the rotation of the first roll and the second roll to roll the first plate body and the second plate body into a composite plate ,Also includes:
  • the first plate body and the second plate body are controlled to be heated to a preset temperature.
  • Also after the step of controlling the rotation of the first roll and the second roll to roll the first plate body and the second plate body into a composite plate ,Also includes:
  • the composite plate after solution treatment is subjected to aging treatment.
  • the solution temperature of the solution treatment is 480°C to 40°C, and the solution time of the solution treatment is 45min to 65min;
  • the aging temperature of the aging treatment is 160°C to 200°C, and the aging time of the aging treatment is 5h to 7h.
  • the method before the step of contacting the first surface of the first plate body with the second surface of the second plate body, the method further includes:
  • the prefabricated thickness ratio of the first plate body and the second plate body is 1.5:1.0;
  • the different speed ratio of the first roll and the second roll is 1:1.05, and the rolling reduction ratio of the rolling is controlled to be 20%-40%.
  • the roughness of the first surface is prefabricated to be 0.8Ra ⁇ 4.0Ra.
  • the roughness of the second surface is prefabricated to be 4Ra to 10Ra.
  • the first plate body is a stainless steel plate
  • the second plate body is an aluminum plate.
  • a is the length of the first plate body
  • b is the width of the first plate body
  • K1 is the textured area ratio of the first plate body
  • the value range of K1 is 1.5-3
  • K2 is The binding ratio of the first plate body and the second plate body, the value range of K2 is 0.15-0.3, when K1*K2>1, the product of K1 and K2 is 1
  • the ⁇ soft is the yield strength of the second plate body, and the value of ⁇ soft ranges from 350Mpa to 412Mpa.
  • the first plate body is prefabricated into an elongated shape
  • the second plate body is prefabricated into a long strip
  • the length direction of the stripes on the second surface is controlled to form a preset angle with the width direction of the second plate body.
  • the first plate body and the second plate body are placed in the groove of the first roll, and the side edges of the first plate body and the second plate body are limited by the groove. , because the hardness of the first plate body is small, it can effectively avoid the formation of burrs and flashes on the sides of the first plate body and the second plate body, and then, the first plate body and the second plate body are rolled to form a composite Board, composite board is not easy to form burrs and flash.
  • Fig. 1 is the schematic flow chart of the metal material composite processing method provided by the present invention
  • FIG. 2 is a schematic structural diagram of the first surface of the first plate body being rolled in the metal material composite processing method provided by the present invention
  • FIG. 3 is a schematic structural diagram of the second surface of the second plate body being rolled in the metal material composite processing method provided by the present invention
  • FIG. 4 is a schematic structural diagram of a composite plate obtained by rolling by the metal material composite processing method provided by the present invention.
  • Fig. 5 is the partial enlarged structural representation of A part among Fig. 4;
  • Fig. 6 is the sectional structure schematic diagram of the first kind of rolling device provided by the present invention.
  • Fig. 7 is the partial enlarged structural representation of B part in Fig. 6;
  • Fig. 8 is the sectional structure schematic diagram of the second type of rolling device provided by the present invention.
  • Fig. 9 is the partial enlarged structural representation of C part in Fig. 8.
  • Figure 10 is a schematic cross-sectional structure diagram of a third type of rolling device provided by the present invention.
  • FIG. 11 is a partial enlarged schematic view of the structure of part D in FIG. 10 .
  • the first plate body 31, the first surface; 32, the fourth surface; 33, the stripes;
  • Embodiments of the first aspect of the present invention with reference to FIGS. 1 to 5 , provide a composite processing method for metal materials, including:
  • Step 110 contact the first surface 31 of the first plate body 3 with the second surface 41 of the second plate body 4;
  • the opposing surfaces of the first plate body 3 and the second plate body 4 are in contact, so that the first plate body 3 and the second plate body 4 are rolled into a composite plate 5 .
  • Step 120 placing the first plate body 3 and the second plate body 4 in the groove 13 in the circumferential direction of the first roll 1, and making the third surface 42 of the second plate body 4 contact the bottom wall of the groove 13, wherein , the third surface 42 is opposite to the second surface 41, and the hardness of the first plate body 3 is greater than that of the second plate body 4;
  • the hardness of the second plate body 4 is relatively small, and the second plate body 4 is easily deformed when it is subjected to the rolling force.
  • the side walls limit the position of the second plate body 4 to avoid burrs and flashes formed on the side edges of the second plate body 4 .
  • the first plate body 3 is closer to the opening of the groove 13. During the rolling process, compared with the second plate body 4, the first plate body 3 with higher hardness is not easy to overflow the groove 13, and can also effectively avoid the second plate body 4. Burrs and burrs are formed on the sides of the plate body 4 , and further, the composite plate 5 formed by rolling the first plate body 3 and the second plate body 4 is not easy to form burrs and burrs.
  • the groove 13 is an annular groove surrounding the circumference of the first roll 1.
  • the first plate 3 and the second plate 4 are placed in the groove 13 and correspond to the second roll 2.
  • the first The plate body 3 and the second plate body 4 are always in the groove 13, and the first roll 1 and the second roll 2 cooperate to carry out rolling and conveying.
  • the first roll 1 is located below the second roll 2
  • the second plate 4 is located below the first plate 3 .
  • the above-mentioned steps 110 and 120 do not limit the execution order, and can be selected according to actual needs.
  • the first plate body 3 and the second plate body 4 are contacted first, and then the first plate body 3 and the second plate body 4 are placed in the groove 13; or, the second plate body 4 is first placed in the groove. 13 , and then place the first plate 3 in the groove 13 so that the second plate 4 is in contact with the first plate 3 , that is, the first surface 31 is in contact with the second surface 41 .
  • Step 130 control the rotation of the first roll 1 and the second roll 2 to roll the first plate body 3 and the second plate body 4 to form the composite plate 5, wherein, during the rolling process, the fourth plate body 3 of the first plate body 3 is rolled.
  • the surface 32 is in contact with the surface of the second roll 2 , wherein the fourth surface 32 faces away from the first surface 31 .
  • the first plate body 3 and the second plate body 4 are rolled to form an integrated composite plate 5, and the composite plate 5 has high structural strength and stable quality. After the first roll 1 and the second roll 2 are positioned, the surface of the second roll 2 is brought into contact with the fourth surface 32 in preparation for the rolling process.
  • the size of the rolling force between the first roll 1 and the second roll 2 can be adjusted according to the characteristics of the first plate body 3 and the second plate body 4 and the processing requirements of the composite plate 5 .
  • the first plate body 3 and the second plate body 4 to be processed are placed in the groove 13 of the first roll 1.
  • the side walls of the groove 13 Limiting the first plate body 3 and the second plate body 4 can effectively avoid the formation of burrs and burrs on the sides of the composite plate 5.
  • the process of removing burrs and burrs can be omitted.
  • shorten the processing cycle and reduce the processing cost by cooperating with the first plate body 3 with higher hardness through the side wall of the groove 13, the entire surface of the second plate body 4 with lower hardness is limited, which can effectively avoid the formation of the side edges of the second plate body 4. Flash and burrs.
  • step 110 that is, before the step of contacting the first surface 31 of the first plate body 3 with the second surface 41 of the second plate body 4 ,
  • At least one of the first surface 31 and the second surface 41 is textured, so that at least one of the first surface 31 and the second surface 41 is constructed with a plurality of stripes 33, and there is a spacing between adjacent stripes 33, And control the preset ratio that the number of stripes in the preset spacing is greater than or equal to the total number of stripes.
  • the stripes 33 are grooves formed on at least one of the first surface 31 and the second surface 41 after texturing, and the depth of the grooves is related to the pressure received during texturing.
  • the pitch of adjacent stripes 33 refers to the distance between the bottoms of two grooves, and the length of the stripes 33 is the distance the stripes 33 extend.
  • the first surface 31 is textured such that the first surface 31 is structured with a plurality of stripes 33 .
  • the texturing treatment increases the surface area of the first surface 31, so as to increase the area of the first plate body 3 and the second plate body 4 during rolling, so that the composite of the first plate body 3 and the second plate body 4 after rolling
  • the plate 5 has higher bonding strength and firmer bonding. Among them, the more uniform the stripes 33 are and the smaller the distance between two adjacent stripes 33, the more the number of stripes 33 per unit area, and the larger the rolling area of the first plate body 3 and the second plate body 4, so that The bonding strength of the composite board 5 after the first board body 3 and the second board body 4 are composited is higher.
  • the second plate body 4 Since the hardness of the second plate body 4 is relatively small, the second plate body 4 will be deformed during the rolling process, and the material of the second plate body 4 will enter the grooves of the stripes 33 of the first plate body 3. After the plate body 3 is cooled, the distance between the stripes 33 is reduced, and the surface of the second plate body 4 is in close contact with the surface of the stripe 33 of the first plate body 3 to form an interference fit, thereby connecting the first plate body 3 and the second plate body 3. The plate bodies 4 are tightly combined.
  • the first plate body 3 is prefabricated into a long strip
  • a first predetermined angle is formed between the length direction of the stripes 33 of the control first surface 31 and the width direction of the first plate body 3 .
  • the preset included angle may be, but is not limited to, 70° ⁇ 82°.
  • the stripes 33 on the first surface 31 are used to increase the contact area between the second plate body 4 and the first plate body 3 during rolling.
  • the second plate body 4 before the step of texturing the second surface 41, is prefabricated into an elongated shape,
  • a second preset angle is formed between the length direction of the stripes on the control second surface 41 and the width direction of the second plate body 4 .
  • a plurality of stripes are processed on the second surface 41 , and the preset included angle may be, but is not limited to, 70° ⁇ 82°.
  • the stripes on the second surface 41 can be used to exhaust air during the rolling of the composite plate 5 . Since the length direction of the stripes forms a predetermined angle with the width direction of the second plate body 4 , the length of the stripes is short. The shorter the stripes when the second plate 4 and the first plate 3 are rolled, the more favorable the air between the second plate 4 and the first plate 3 is to be discharged, so that the bonding strength of the composite plate 5 is higher. . Wherein, the second plate body 4 is elongated.
  • the second preset angle corresponding to the stripes of the second plate body 4 and the first preset angle corresponding to the stripes 33 of the first plate body 3 may be equal to ensure that the second plate body 4 and the first The plates 3 can be better coupled.
  • the stripes 33 are straight stripes, the straight stripes are arranged at intervals, and the distance between two adjacent stripes 33 may be equal or unequal.
  • the stripes 33 on the first surface 31 are controlled at a preset pitch of 0.005mm-0.03mm, and a preset ratio of 90%. That is, the number of stripes with a distance of 0.005-0.03mm between two adjacent stripes 33 accounts for more than or equal to 90% of the total number of stripes 33, and the size range of the preset distance is large, which is convenient for the processing of stripes 33, and also Meet the structural requirements of the composite panel 5 . At this time, the shear strength of the composite board 5 can reach 210Mpa-245Mpa.
  • the stripes 33 on the first surface 31 are controlled at a preset pitch of 0.01mm-0.02mm, and a preset ratio of 90%. That is, the number of stripes with a distance of 0.01mm-0.02mm between two adjacent stripes 33 accounts for more than or equal to 90% of the total number of stripes 33. At this time, the shear strength of the composite board 5 can reach 200Mpa ⁇ 230Mpa .
  • the stripes 33 on the first surface 31 are controlled at a preset pitch of 0.01mm-0.02mm, and a preset ratio of 80%. That is, the number of stripes with a distance of 0.01mm-0.02mm between two adjacent stripes 33 accounts for more than or equal to 80% of the total number of stripes 33. At this time, the shear strength of the composite board 5 can reach 190Mpa ⁇ 225Mpa .
  • the stripes 33 on the first surface 31 are controlled at a preset interval of 0.01mm-0.02mm, and a preset ratio of 70%. That is, the number of stripes with a distance of 0.01mm-0.02mm between two adjacent stripes 33 accounts for more than or equal to 70% of the total number of stripes 33. At this time, the shear strength of the composite board 5 can reach 185Mpa ⁇ 220Mpa .
  • the stripes 33 on the first surface 31 are controlled at a preset pitch of 0.01mm-0.02mm, and a preset ratio of 50%. That is, the number of stripes with a distance of 0.01mm-0.02mm between two adjacent stripes 33 accounts for more than or equal to 50% of the total number of stripes 33. At this time, the shear strength of the composite board 5 can reach 170Mpa ⁇ 210Mpa .
  • the stripes 33 on the first surface 31 are controlled at a preset interval of 0.01mm-0.02mm, and a preset ratio of 40%. That is, the number of stripes whose distance between two adjacent stripes 33 is 0.01 mm-0.02 mm accounts for more than 40% of the total number of stripes 33 .
  • Streaks are formed by rubbing at least one of the first surface 31 and the second surface 41 by a texturizing rubbing roller.
  • the texturing treatment is to form groove-like linear stripes on at least one of the first surface 31 and the second surface 41 .
  • the textured friction roller includes a wire brush roller or a grinding wheel.
  • the texturing treatment may be performed once, or may be performed two or more times.
  • the textured friction roller forms stripes through friction. Since the textured friction roller rotates at a constant speed, the first plate body 3 and the second plate body 4 are along the second direction. It moves at a uniform speed, so the stripes formed on at least one of the first surface 31 and the second surface 41 are linear stripes, and the linear stripes are arranged at intervals.
  • the linear stripes on the first surface 31 and the width direction of the first plate body 3 form a first predetermined angle, or the linear stripes on the second surface 41 form a second predetermined angle in the width direction of the second plate body 4 .
  • the working pressure of the wire brush roller is 1Mpa ⁇ 1.5Mpa
  • the diameter of the wire brush roller is 250mm ⁇ 400mm
  • the speed of the wire brush roller is 400r/min ⁇ 600r/min
  • the hardness of the wire brush roller is HRC55 ⁇ 60
  • the length of the brush wire is 10mm-40mm
  • the diameter of the brush wire is 0.3mm-0.5mm.
  • the stripes 33 are formed by friction. Since the texturing friction roller rotates at a constant speed, the first plate body 3 and the second plate body 4 move at a constant speed along the second direction, so at least one of the first surface 31 and the second surface 41 is formed.
  • the stripes are linear stripes, and the linear stripes are arranged at intervals, so that the linear stripes and the width direction of the first plate body 3 or the second plate body 4 form a preset angle. The spacing and ratio between two adjacent stripes meet the above requirements.
  • the texturing treatment may be performed once, or may be performed two or more times.
  • the textured friction roller includes a grinding wheel, the number of sand grains of the grinding wheel is 40 to 120, the pressure of the grinding wheel is 0.1 MPa to 0.5 MPa, and the diameter of the grinding wheel is 200 mm to 400 mm.
  • the debris on the first surface 31 or the second surface 41 can be removed.
  • the air jets move toward the first The plate body 3 or the second plate body 4 sprays high-speed airflow to further remove the debris on the first surface 31 or the second surface 41, so that the surface of the first plate body 3 or the second plate body 4 is clean, and the camera can obtain clear images image information to avoid affecting the recombination of the first plate body 3 and the second plate body 4 .
  • the control terminal can calculate the number of stripes per unit area according to the acquired image information. When it is determined that the number of stripes per unit area of the first surface 31 is less than the corresponding preset value, the control terminal sends a control command to the controller, and the controller controls the lifting assembly according to the control command. Raise, increase the height of the texturing friction roller, so that the texturing friction roller is in close contact with the first surface 31 .
  • the step of obtaining the number of stripes per unit area of the first surface 31 or the second surface 41 is generally after removing debris.
  • the method before the step of controlling the rotation of the first roll 1 and the second roll 2 to roll the first plate body 3 and the second plate body 4 to form the composite plate 5, the method further includes:
  • the first plate body 3 and the second plate body 4 are controlled to be heated to a preset temperature.
  • an on-line heating method is adopted, specifically, an eddy current heating method can be used, and the heating temperature of the first plate body 3 is 350°C.
  • the online heating method the first surface 31 of the first plate body 3 and the second surface 41 of the second plate body 4 can be rolled and composited in a semi-molten state, thereby further improving the bonding strength of the composite plate 5 .
  • the first plate body 3 is heated online, that is, the stainless steel plate is heated online.
  • the purpose is to make the stripes 33 of the first surface 31 expand and widen and deepen the grooves.
  • the heated stainless steel plate and the aluminum alloy plate with lower hardness are rolled together by the upper and lower rollers, because the hardness of the stainless steel plate is much greater than that of the aluminum alloy plate, the composite surface of the aluminum alloy plate and the stainless steel plate is compounded with each other.
  • the aluminum alloy plate will be pressed into the groove on the surface of the stainless steel, at the same time the stainless steel plate is contracted by cold, and the surface of the aluminum alloy plate is heated and expanded, so that the stainless steel plate and the aluminum alloy plate can be closely attached on both sides of the groove. At the same time, an interference fit is formed, so that the stainless steel plate and the aluminum alloy plate can be tightly combined together.
  • Step 140 performing solution treatment on the composite plate 5;
  • the solution treatment includes a heating stage and a cooling stage.
  • the heating stage the composite plate 5 is put into a solution furnace for solution treatment.
  • the solution temperature of the solution treatment is 480°C to 540°C.
  • the dissolution time is 45min to 65min.
  • the cooling stage the composite plate 5 is rapidly cooled so that the composite plate 5 is finally cooled to normal temperature.
  • step 150 the composite plate 5 after the solution treatment is subjected to an aging treatment.
  • aging treatment is required.
  • the aging treatment is carried out in an aging furnace, the aging temperature of the aging treatment is 160°C to 200°C, and the aging time of the aging treatment is 5h to 7h.
  • the bonding strength of the composite board can be further improved by performing aging treatment on the composite board.
  • the method before the step of contacting the first surface 31 of the first plate body 3 with the second surface 41 of the second plate body 4, the method further includes:
  • the prefabricated thickness ratio of the first plate body 3 and the second plate body 4 is 1.5:1.0;
  • the different speed ratio of the first roll 1 and the second roll 2 is 1:1.05, and the rolling reduction ratio of the rolling is controlled to be 20%-40%.
  • the first roll 1 and the second roll 2 can be asynchronous rolling, and asynchronous rolling refers to rolling the stainless steel plate and the aluminum alloy plate (ie the first plate body 3 and the second plate body 4) with the upper and lower rolls.
  • asynchronous rolling refers to rolling the stainless steel plate and the aluminum alloy plate (ie the first plate body 3 and the second plate body 4) with the upper and lower rolls.
  • the rotational speed of the first roll 1 and the second roll 2 are different.
  • step 110 that is, before the step of contacting the first surface 31 of the first plate body 3 with the second surface 41 of the second plate body 4 ,
  • the surface roughness of the first surface 31 is prefabricated to be 0.8Ra to 4.0Ra.
  • Ra is the arithmetic mean roughness.
  • the contact area between the first surface 31 and the second surface 41 can be ensured, thereby ensuring the rolling fixing effect of the first plate body 3 and the second plate body 4 .
  • step 110 before the step of contacting the first surface 31 of the first plate body 3 with the second surface 41 of the second plate body 4,
  • the surface roughness of the second surface 41 is preliminarily made to be 4Ra to 10Ra.
  • Ra is the arithmetic mean roughness.
  • the first surface 31 cooperates with the second surface 41 to effectively improve the hardness of the composite board 5 , so as to meet the processing requirements of the composite board 5 , and thus meet the requirements for making the frame of a mobile phone.
  • step 110 before the step of contacting the first surface 31 of the first plate body 3 with the second surface 41 of the second plate body 4,
  • the first plate body 3 is prefabricated with a hardness of HV 270-330.
  • HV is the Vickers hardness, and the unit is kg/mm 2 .
  • Vickers hardness is defined as: the ratio of the load used to the area of the indentation formed on the surface of the sample after pressing a regular quadrangular pyramid diamond indenter into the surface of the sample with a certain load and holding it for a certain period of time.
  • the hardness of the first plate body 3 is prefabricated as HV 270-330, so that the hardness of the processed composite plate 5 meets the requirements.
  • step 130 the first roll 1 and the second roll 2 are controlled to roll-form the first plate body 3 and the second plate body 4 into the composite plate 5,
  • the shear strength of the composite board 5 is a*b*K1*K2* ⁇ soft ;
  • a is the length of the second plate body 4
  • b is the width of the second plate body 4
  • K1 is the textured area ratio of the second plate body 4
  • the value range of K1 is 1.5-3
  • K2 is the first plate For the bonding ratio between the body 3 and the second body 4, the value range of K2 is 0.15-0.3.
  • K1*K2>1 the product of K1 and K2 is 1
  • ⁇ soft is the yield of the first body 3 Strength
  • the value range of ⁇ soft is 350-412Mpa .
  • the composite board 5 can be used for applications requiring high shear strength, such as mobile phone frames.
  • the first plate body 3 is a stainless steel plate
  • the second plate body 4 is an aluminum plate.
  • the stainless steel plate and the aluminum plate are roll-formed into the composite plate 5, and the shear strength of the composite plate 5 is optimized, so that the composite plate 5 is stronger.
  • the first plate body 3 is a stainless steel plate, and the stainless steel plate includes a stainless steel plate containing various alloy components, a stainless steel plate containing various non-metallic elements, or a stainless steel plate with various metallographic structures.
  • the second plate body 4 is an aluminum alloy plate, and the aluminum alloy plate includes an aluminum alloy plate body containing various alloys and various composition ratios.
  • the materials of the first plate body 3 and the second plate body 4 are not limited to this, and are specifically determined according to actual needs.
  • a specific embodiment of the present invention is described below with reference to FIGS. 1 to 5 : the composite plate 5 is formed by rolling the first plate body 3 and the second plate body 4 , the first plate body 3 is a stainless steel plate, and the second plate body 4 for aluminum plate.
  • Stripes 33 are formed on the first surface 31 of the stainless steel plate.
  • the stripes 33 are linear stripes, and the linear stripes are arranged at intervals. Stripes with a distance of 0.02 mm between two adjacent stripes 33 account for more than 90% of the total number of stripes.
  • the stainless steel plate is elongated, and the length direction of the stripes 33 forms an angle of 78° with the width direction of the stainless steel plate.
  • the hardness of the stainless steel plate is HV300, and the roughness of the first surface 31 of the stainless steel plate is 2Ra.
  • the second surface 41 of the aluminum alloy plate is also formed with stripes, and the thickness ratio of the stainless steel plate to the aluminum alloy plate is 1.5:1.0.
  • the stripes of the aluminum alloy plate are also linear stripes, and the linear stripes are arranged at intervals. Stripes with a distance of 0.02 mm between two adjacent stripes account for more than 90% of the total number of stripes.
  • the aluminum alloy plate is also in the shape of a long strip, and the length direction of the stripes is 78° with the width direction of the aluminum alloy plate.
  • the roughness of the second surface 41 of the aluminum alloy plate is 3Ra.
  • the first surface 31 of the stainless steel plate and the second surface 41 of the aluminum alloy plate are rolled and connected to form the clad plate 5, and the shear strength of the clad plate 5 satisfies a*b*K1*K2* ⁇ soft , a is the length of the stainless steel plate, b is the width of the stainless steel plate, K1 is the textured area ratio of the stainless steel plate, the value range of K1 is 2; K2 is the combination rate of the stainless steel plate and the aluminum alloy plate, and the value range of K2 is 0.2, when K1*K2> When 1, the product of K1 and K2 is 1; ⁇ soft is the yield strength of the aluminum alloy plate, and the value range of ⁇ soft is 380Mpa .
  • the composite board 5 After being composited with the first board body 3 has higher bonding strength and firmer bonding.
  • the clad plate 5 rolled and processed in the embodiment of the present invention can bear relatively large shearing force, the combination of the clad plate 5 is tighter, the structure is firm, and the design requirements are met.
  • the composite board 5 can be used as a material for processing the frame of the mobile phone, and when applied to the production of the mobile phone, it meets the requirements of a small degree of signal shielding and a low strength-to-weight ratio of the mobile phone.
  • Embodiments of the second aspect of the present invention as shown in FIG. 6 to FIG. 11 , further provide a rolling device, comprising a first roll 1 and a second roll 2 , the first roll 1 is configured with circumferentially arranged grooves 13; The second roll 2 is suitable for cooperating with the first roll 1 for rolling.
  • the first roll 1 and the second roll 2 rotate relative to each other to roll and transport the workpiece.
  • the circumference of the first roll 1 is surrounded by a groove 13, so that the workpiece is always kept in the groove 13 during the rolling process, and the wall of the groove 13 is used to limit the workpiece to solve the problem of the workpiece.
  • the problem of flash and burr on the side can optimize the rolling effect and save the process of removing flash and burr.
  • the metal material composite processing method of the above-mentioned embodiment can be performed by the rolling apparatus in this embodiment and the following embodiments. That is, the first plate body 3 and the second plate body 4 are placed in the grooves 13 and rolled through the first roll 1 and the second roll 2 .
  • the second roll 2 is configured with circumferentially arranged projections 23 , which are adapted to be inserted into the grooves 13 .
  • the workpiece in the groove 13 is limited, which can effectively prevent the workpiece from overflowing from the gap between the first roll 1 and the second roll 2, so as to effectively avoid the workpiece. Flash and burrs are formed.
  • the bumps 23 are arranged around the circumference of the second roll 2. At the position where the first roll 1 and the second roll 2 are rolled, the bumps 23 need to cover the opening of the groove 13 to ensure the processing effect.
  • At least one of the first roll 1 and the second roll 2 includes a roll core and a roll sleeve sleeved on the outside of the roll core, so that the roll core can be replaced independently. or roller sleeves.
  • the roll core When the surface of the roll core is defective, it can be replaced, and the roll core can be made of materials with better surface properties, which is economical and durable.
  • the first roll 1 includes a first roll core 11 and a first roll sleeve 12 , and an annular groove 13 is formed in the circumferential direction of the first roll sleeve 12 .
  • the second roll 2 may be configured to include a second roll core 21 and a second roll sleeve 22 , and annular protrusions 23 may be formed in the circumferential direction of the second roll sleeve 22 .
  • the roller sleeve and the roller core may be connected by a single key or spline (not shown in the figure), and the roller core is provided with circlips located at both ends of the roller sleeve, or the roller core is provided with one end of the roller sleeve. Shoulder and circlip at the other end of the sleeve.
  • the single key or spline prevents the roller core and the roller sleeve from rotating relative to each other in the circumferential direction, and facilitates the installation and removal of the roller sleeve on the roller core.
  • the shaft shoulder cooperates with the retaining spring, so that the roller sleeve does not slide in the axial direction of the roller core.
  • the roller sleeve and the roller core are connected by threads, and the roller core is provided with set nuts at both ends of the roller sleeve, or the roller core is provided with a shoulder at one end of the roller sleeve and a shaft at the other end of the roller sleeve. Set the nut.
  • the threaded connection is used to realize the mounting and dismounting of the roller sleeve on the roller core, and the setting of the tightening nut and the roller sleeve ensures that the roller sleeve does not slide in the axial direction of the roller core.
  • the width of the groove 13 increases along the direction of the bottom wall of the groove 13 toward the opening of the groove 13 .
  • the groove 13 has a structure with a wide upper part and a narrow lower part, so that the workpiece in the groove 13 can be easily demolded.
  • the width is the distance between the two opposite side walls.
  • the width increase may be gradual increase, stepwise increase.
  • the side wall of the groove 13 includes a torus segment perpendicular to the bottom wall of the groove 13 and a conical segment forming an angle with the torus segment, and the torus segment is connected to the concave segment.
  • the bottom wall of the groove 13 with reference to Figures 8 and 9, the side wall of the groove 13 includes a torus segment perpendicular to the bottom wall of the groove 13 and a conical segment that forms an angle with the torus segment.
  • the face section is connected to the bottom wall of the groove 13; as shown in FIGS. 10 and 11, the side wall of the groove 13 is a conical surface.
  • At least one side wall of the groove 13 is configured with an inclined surface, and the inclined surface and the bottom wall of the groove 13 form an included angle of 94° ⁇ 96°.
  • the angle range formed by the inclined plane and the bottom wall of the groove 13 has little influence on the structure of the side edge of the workpiece, and also facilitates the demolding of the workpiece.
  • the torus segment and the conical surface segment form an included angle of 184° to 186°; with reference to FIGS. 10 and 11 , the conical surface and the bottom wall form an included angle of 94° to 96° .

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  • Engineering & Computer Science (AREA)
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  • Signal Processing (AREA)
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  • Pressure Welding/Diffusion-Bonding (AREA)
  • Telephone Set Structure (AREA)

Abstract

一种金属材料复合加工方法，包括：将第一板体(3)的第一表面(31)与第二板体(4)的第二表面(41)相接触；将所述第一板体(3)与所述第二板体(4)放置在第一轧辊(1)周向的凹槽(13)内，并使所述第二板体(4)的第三表面(42)接触所述凹槽(13)的底壁，所述第三表面(42)与所述第二表面(41)相背，所述第一板体(3)的硬度大于所述第二板体(4)的硬度；控制所述第一轧辊(1)与第二轧辊(2)转动以将所述第一板体(3)和所述第二板体(4)辊压成型出复合板(5)，其中，辊压过程中，第一板体(3)的第四表面(32)与所述第二轧辊(2)的表面接触，所述第四表面(32)与所述第一表面(31)相背。该金属材料复合加工方法通过将第一板体(3)和第二板体(4)放置在凹槽(13)中进行加工，可避免复合板(5)的侧边产生飞边和毛刺。

Description

金属材料复合加工方法 技术领域
本发明涉及材料加工技术领域，尤其涉及一种金属材料复合加工方法。
背景技术
金属复合轧制是将物理、化学性质不同的金属通过轧制使它们在整个接触表面上，相互牢靠的结合在一起的加工方法。通过轧制加工得到的复合工件，存在飞边、毛刺等缺陷，这些缺陷需要在后续的生产工序中进行处理，生产成本大大增加。
以钢板-铝合金复合轧制为例，相关技术中，使用四个轧辊的辊轧设备进行轧制，其中，四个轧辊包括两个工作轧辊和两个侧轧辊，两个工作轧辊对钢板-铝合金进行辊压成型，两个侧轧辊对成型过程中或成型后的复合工件的侧边进行辊轧，其中，设备工作过程中，侧轧辊不能紧压工作轧辊的侧面，以避免工作轧辊与侧轧辊之间的摩擦力过大而对辊轧设备造成损坏，导致复合工件的宽度尺寸不易保证，且侧轧辊的压紧程度不足或原料尺寸偏差较大时，复合工件宽度方向更容易产生飞边和毛刺。
发明内容
本发明提供一种金属材料复合加工方法，用以解决现有技术中辊轧工艺加工精度不高，容易产生飞边和毛刺的问题，通过将第一板体 和第二板体放置在凹槽中进行加工，可避免复合板的侧边产生飞边和毛刺。
本发明提供一种金属材料复合加工方法，包括：
将第一板体的第一表面与第二板体的第二表面相接触；
将所述第一板体与所述第二板体放置在第一轧辊周向的凹槽内，并使所述第二板体的第三表面接触所述凹槽的底壁，其中，所述第三表面与所述第二表面相背，所述第一板体的硬度小于所述第二板体的硬度；
控制所述第一轧辊与第二轧辊转动以将所述第一板体和所述第二板体辊压成型出复合板，其中，辊压过程中，第一板体的第四表面与所述第二轧辊的表面接触，所述第四表面与所述第一表面相背。
根据本发明提供的一种金属材料复合加工方法，所述将第一板体的第一表面与第二板体的第二表面相接触的步骤之前，
将所述第一表面与所述第二表面中的至少一个毛化处理，以使所述第一表面与所述第二表面中的至少一个构造出多条条纹，相邻所述条纹之间设有间距，并控制处于预设间距的条纹数量大于或等于条纹总数的预设比例。
根据本发明提供的一种金属材料复合加工方法，将所述第一表面毛化处理的步骤中，
所述第一表面的条纹控制在预设间距为0.005mm-0.03mm，预设比例为90％。
根据本发明提供的一种金属材料复合加工方法，将所述第一表面毛化处理的步骤中，
所述第一表面的条纹控制在预设间距为0.01mm-0.02mm；预设比例为90％。
根据本发明提供的一种金属材料复合加工方法，将所述第一表面毛化处理的步骤中，
所述第一表面的条纹控制在预设间距为0.01mm-0.02mm，预设比例为80％。
根据本发明提供的一种金属材料复合加工方法，将所述第一表面毛化处理的步骤中，
所述第一表面的条纹控制在预设间距为0.01mm-0.02mm，预设比例为70％。
根据本发明提供的一种金属材料复合加工方法，将所述第一表面毛化处理的步骤中，
所述第一表面的条纹控制在预设间距为0.01mm-0.02mm，预设比例为50％。
根据本发明提供的一种金属材料复合加工方法，将所述第一表面与所述第二表面中的至少一个毛化处理的步骤中，
通过毛化摩擦辊对所述第一表面与所述第二表面中的至少一个摩擦形成条纹，所述毛化摩擦辊包括钢丝刷辊，所述钢丝刷辊工作时受到的压力为1Mpa～1.5Mpa，所述钢丝刷辊的直径为250mm～400mm，所述钢丝刷辊的转速为400r/min～600r/min，所述钢丝刷辊的刷丝硬度为HRC55～60，所述刷丝的长度为10mm～40mm，所述刷丝的直径为0.3mm～0.5mm。
根据本发明提供的一种金属材料复合加工方法，将所述第一表面与所述第二表面中的至少一个毛化处理的步骤中，
通过毛化摩擦辊对所述第一表面与所述第二表面中的至少一个摩擦形成条纹，所述毛化摩擦辊包括砂轮，所述砂轮的沙粒目数为40～120，所述砂轮工作时受到的压力为0.1MPa～0.5MPa，所述砂轮的直径为200mm～400mm。
根据本发明提供的一种金属材料复合加工方法，在将所述第一表面毛化处理的步骤中，
除去所述第一表面的碎屑；
或，在将所述第二表面毛化处理的步骤之后，还包括以下步骤：
除去所述第二表面的碎屑。
根据本发明提供的一种金属材料复合加工方法，在将所述第一表面毛化处理的步骤中，
获取所述第一表面的单位面积条纹数；
确定所述第一表面的单位面积条纹数小于对应的预设值，控制毛化摩擦辊的高度升高，所述毛化摩擦辊用于在所述第一表面摩擦形成条纹；
或，在将所述第二表面毛化处理的步骤中，
获取所述第二表面的单位面积条纹数；
确定所述第二表面的单位面积条纹数小于对应的预设值，调整用于毛化处理的毛化摩擦辊的位置，以使所述毛化摩擦辊充分接触所述第二表面。
根据本发明提供的一种金属材料复合加工方法，所述控制所述第一轧辊与第二轧辊转动以将所述第一板体和所述第二板体辊压成型出复合板的步骤之前，还包括：
控制所述第一板体与所述第二板体加热至预设温度。
根据本发明提供的一种金属材料复合加工方法，所述控制所述第一轧辊与第二轧辊转动以将所述第一板体和所述第二板体辊压成型出复合板的步骤之后，还包括：
将所述复合板进行固溶处理；
将固溶处理后的所述复合板进行时效处理。
根据本发明提供的一种金属材料复合加工方法，所述固溶处理的固溶温度为480℃～40℃，所述固溶处理的固溶时间为45min～65min；
所述时效处理的时效温度为160℃～200℃，所述时效处理的时效时间为5h～7h。
根据本发明提供的一种金属材料复合加工方法，所述将第一板体的第一表面与第二板体的第二表面相接触的步骤之前，还包括：
所述第一板体与所述第二板体预制成厚度比为1.5：1.0；
所述控制所述第一轧辊与第二轧辊转动以将所述第一板体和所述第二板体辊压成型出复合板的步骤中，
所述第一轧辊与所述第二轧辊的异速比为1：1.05，并控制轧制的压下率为20％-40％。
根据本发明提供的一种金属材料复合加工方法，所述将第一板体的第一表面与第二板体的第二表面相接触的步骤之前，
所述第一表面的粗糙度预制为0.8Ra～4.0Ra。
根据本发明提供的一种金属材料复合加工方法，所述将第一板体的第一表面与第二板体的第二表面相接触的步骤之前，
所述第二表面的粗糙度预制为4Ra～10Ra。
根据本发明提供的一种金属材料复合加工方法，所述第一板体为不锈钢板，所述第二板体为铝板。
根据本发明提供的一种金属材料复合加工方法，所述控制所述第一轧辊与所述第二轧辊将所述第一板体和所述第二板体辊压成型出复合板的步骤中，
制得所述复合板的剪切强度τ＝a*b*K1*K2*σ 软，
其中，a为所述第一板体的长度，b为所述第一板体的宽度，K1为所述第一板体的毛化面积比，K1的取值范围为1.5-3；K2为所述第一板体与所述第二板体的结合率，K2的取值范围为0.15-0.3，当K1*K2＞1时，K1与K2的乘积均取值为1；所述σ 软为所述第二板体的屈服强度，σ 软的取值范围为350Mpa～412Mpa。
根据本发明提供的一种金属材料复合加工方法，将所述第一表面毛化处理的步骤之前，
所述第一板体预制为长条形；
将所述第一表面毛化处理的步骤中，
控制所述第一表面的条纹的长度方向与所述第一板体的宽度方向之间成第一预设夹角；
或，将所述第二表面毛化处理的步骤之前，
所述第二板体预制为长条形；
将所述第二表面毛化处理的步骤中，
控制所述第二表面的条纹的长度方向与所述第二板体的宽度方向之间成预设夹角。
本发明提供的金属材料复合加工方法，通过将第一板体与第二板体放置在第一轧辊的凹槽内，利用凹槽对第一板体和第二板体的侧边进行限位，由于第一板体的硬度较小，能有效避免第一板体和第二板体的侧边形成毛刺和飞边，进而，经过辊压第一板体和第二板体而成型出复合板，复合板不易形成毛刺和飞边。
附图说明
为了更清楚地说明本发明或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明提供的金属材料复合加工方法的流程示意图；
图2是本发明提供的金属材料复合加工方法中被辊压的第一板体的第一表面的结构示意图；
图3是本发明提供的金属材料复合加工方法中被辊压的第二板体的第二表面的结构示意图；
图4是本发明提供的金属材料复合加工方法辊压得到的复合板的结构示意图；
图5是图4中A部位的局部放大结构示意图；
图6是本发明提供的第一种辊轧装置的剖视结构示意图；
图7是图6中B部位的局部放大结构示意图；
图8是本发明提供的第二种辊轧装置的剖视结构示意图；
图9是图8中C部位的局部放大结构示意图；
图10是本发明提供的第三种辊轧装置的剖视结构示意图；
图11是图10中D部位的局部放大结构示意图。
附图标记：
1、第一轧辊；11、第一辊芯；12、第一辊套；13、凹槽；
2、第二轧辊；21、第二辊芯；22、第二辊套；23、凸块；
3、第一板体；31、第一表面；32、第四表面；33、条纹；
4、第二板体；41、第二表面；42、第三表面；
5、复合板。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合本发明中的附图，对本发明中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明第一方面的实施例，结合图1至图5所示，提供一种金属材料复合加工方法，包括：
步骤110，将第一板体3的第一表面31与第二板体4的第二表面41相接触；
第一板体3与第二板体4的相对表面相接触，以使第一板体3与第二板体4通过辊压成复合板5。
步骤120，将第一板体3与第二板体4放置在第一轧辊1周向的 凹槽13内，并使第二板体4的第三表面42接触凹槽13的底壁，其中，第三表面42与第二表面41相背，第一板体3的硬度大于第二板体4的硬度；
第二板体4的硬度较小，在受到辊压作用力时，第二板体4容易变形，将硬度较小的第二板体4放置在凹槽13的底部，可通过凹槽13的侧壁对第二板体4进行限位，避免第二板体4的侧边形成毛刺和飞边。第一板体3更靠近凹槽13的开口，在辊压过程中，相对于第二板体4而言，硬度较大的第一板体3不易溢出凹槽13，也能有效避免第二板体4的侧边形成毛刺和飞边，进而，经过辊压第一板体3和第二板体4而成型出的复合板5不易形成毛刺和飞边。
凹槽13为环绕第一轧辊1周向的环形槽，第一板体3和第二板体4放置在凹槽13内并与第二轧辊2对应，第一轧辊1转动过程中，第一板体3与第二板体4始终在凹槽13内，第一轧辊1与第二轧辊2配合进行辊压并输送。一般情况下，第一轧辊1位于第二轧辊2的下方，第一板体3和第二板体4放置在凹槽13内之后，第二板体4位于第一板体3的下方。
需要说明的是，上述的步骤110和步骤120并不限定执行顺序，具体可根据需要选择。如，先将第一板体3和第二板体4接触，再将第一板体3和第二板体4放置在凹槽13内；或者，先将第二板体4放置在凹槽13内，再将第一板体3放置在凹槽13内以使第二板体4与第一板体3接触，也就是第一表面31与第二表面41接触。
步骤130，控制第一轧辊1与第二轧辊2转动以将第一板体3和第二板体4辊压成型出复合板5，其中，辊压过程中，第一板体3的第四表面32与第二轧辊2的表面接触，其中，第四表面32与第一表面31相背。
第一板体3与第二板体4通过辊压成型出一体的复合板5，复合板5的结构强度高且质量稳定。第一轧辊1与第二轧辊2定位后，第 二轧辊2的表面与第四表面32接触，为辊轧加工做好准备。
其中，在辊压过程中，第一轧辊1与第二轧辊2之间辊压作用力的大小，可根据第一板体3和第二板体4的特性以及复合板5的加工需求进行调节。
本实施例的金属材料复合加工方法，通过将待加工的第一板体3和第二板体4放置在第一轧辊1的凹槽13中，辊轧的工程中，凹槽13的侧壁对第一板体3和第二板体4进行限位，可有效避免复合板5的侧边形成飞边和毛刺，在后续工序中，则可省去去除飞边和毛刺的工序，有助于简化加工工序，缩短加工周期，降低加工成本。并且，通过凹槽13的侧壁与硬度较大的第一板体3配合，将硬度较小的第二板体4的全部表面进行限位，能有效避免第二板体4的侧边形成飞边和毛刺。
在一些实施例中，步骤110之前，也就是将第一板体3的第一表面31与第二板体4的第二表面41相接触的步骤之前，
将第一表面31与第二表面41中的至少一个毛化处理，以使第一表面31与第二表面41中的至少一个构造出多条条纹33，相邻条纹33之间设有间距，并控制处于预设间距的条纹数量大于或等于条纹总数的预设比例。
其中，条纹33为毛化处理之后形成在第一表面31与第二表面41中的至少一个的沟槽，沟槽的深度与毛化加工工作时受到的压力相关。相邻条纹33的间距是指两个沟槽的底部之间的距离，条纹33的长度为条纹33延伸的距离。
在一些实施例中，对第一表面31进行毛化处理，使得第一表面31构造出多条条纹33。毛化处理使得第一表面31的表面积增大，以增大第一板体3与第二板体4轧制时的面积，使得第一板体3与第二板体4轧制之后的复合板5结合强度更高，结合更牢固。其中，条纹33越均匀且相邻两个条纹33之间的间距越小，单位面积上条纹33 的数量越多，第一板体3与第二板体4轧制时的面积越大，使得第一板体3与第二板体4复合之后的复合板5的结合强度更高。
由于第二板体4的硬度较小，在轧制过程中第二板体4会发生变形，第二板体4的材料会进入第一板体3的条纹33的沟槽内，待第一板体3冷却后，条纹33之间的距离缩小，第二板体4的表面与第一板体3的条纹33的表面紧密接触，构成过盈配合，从而将第一板体3与第二板体4紧密结合在一起。
在一些实施例中，对第一表面31进行毛化处理的步骤之前，
第一板体3预制为长条形，
对第一表面31进行毛化处理的步骤中，
控制第一表面31的条纹33的长度方向与第一板体3的宽度方向之间成第一预设夹角。
本实施例中预设夹角可以但是不局限为70°～82°。第一表面31的条纹33用于增大第二板体4与第一板体3轧制时的接触面积。
在一些实施例中，对第二表面41进行毛化处理的步骤之前，第二板体4预制为长条形，
对第二表面41进行毛化处理的步骤中，
控制第二表面41的条纹的长度方向与第二板体4的宽度方向之间成第二预设夹角。
本实施例中，第二表面41加工出多条条纹，预设夹角可以但是不局限为70°～82°。第二表面41的条纹可用于轧制复合板5过程中排出空气，由于条纹的长度方向与第二板体4的宽度方向之间成预设夹角，因此条纹的长度较短。在第二板体4与第一板体3轧制时条纹越短，越有利于将第二板体4与第一板体3之间的空气排走，使得复合板5的结合强度更高。其中，第二板体4呈长条形。
其中，第二板体4的条纹对应的第二预设夹角与第一板体3的条纹33对应的第一预设夹角可以相等，以确保轧制时第二板体4与第 一板体3之间可以更好地耦合。
上述实施例中，条纹33为直线条纹，直线条纹间隔设置，相邻两个条纹33之间的距离可以相等，也可以不相等。
在一些实施例中，将第一表面31毛化处理的步骤中，
第一表面31的条纹33控制在预设间距为0.005mm-0.03mm，预设比例为90％。也就是，相邻两个条纹33之间的距离为0.005-0.03mm的条纹数量在条纹33总数中占比大于或等于90％，预设间距的尺寸范围较大，方便条纹33加工，还能满足复合板5的结构需求。此时，复合板5的剪切强度可达到210Mpa～245Mpa。
在一些实施例中，将第一表面31毛化处理的步骤中，
第一表面31的条纹33控制在预设间距为0.01mm-0.02mm，预设比例为90％。也就是，相邻两个条纹33之间的距离为0.01mm-0.02mm的条纹数量在条纹33总数中占比大于或等于90％，此时，复合板5的剪切强度可到达200Mpa～230Mpa。
在一些实施例中，将第一表面31毛化处理的步骤中，
第一表面31的条纹33控制在预设间距为0.01mm-0.02mm，预设比例为80％。也就是，相邻两个条纹33之间的距离为0.01mm-0.02mm的条纹数量在条纹33总数中占比大于或等于80％，此时，复合板5的剪切强度可到达190Mpa～225Mpa。
在一些实施例中，将第一表面31毛化处理的步骤中，
第一表面31的条纹33控制在预设间距为0.01mm-0.02mm，预设比例为70％。也就是，相邻两个条纹33之间的距离为0.01mm-0.02mm的条纹数量在条纹33总数中占比大于或等于70％，此时，复合板5的剪切强度可到达185Mpa～220Mpa。
在一些实施例中，将第一表面31毛化处理的步骤中，
第一表面31的条纹33控制在预设间距为0.01mm-0.02mm，预设比例为50％。也就是，相邻两个条纹33之间的距离为 0.01mm-0.02mm的条纹数量在条纹33总数中占比大于或等于50％，此时，复合板5的剪切强度可到达170Mpa～210Mpa。
在一些实施例中，将第一表面31毛化处理的步骤中，
第一表面31的条纹33控制在预设间距为0.01mm-0.02mm，预设比例为40％。也就是，相邻两个条纹33之间的距离为0.01mm-0.02mm的条纹数量在条纹33总数中占比大于40％。
需要说明的是，条纹33的尺寸范围越均匀，使得第一板体3与第二板体4复合之后的复合板5结合强度更高。
在一些实施例中，将第一表面31与第二表面41中的至少一个毛化处理的步骤中，
通过毛化摩擦辊对第一表面31与第二表面41中的至少一个摩擦形成条纹。
毛化处理就是在第一表面31与第二表面41中的至少一个形成沟槽状的直线条纹。其中，毛化摩擦辊包括钢丝刷辊或砂轮。毛化处理可以进行一次，也可以进行两次或者更多次。
毛化摩擦辊在与第一表面31或第二表面41接触的过程中，通过摩擦形成条纹，由于毛化摩擦辊是匀速转动，第一板体3与第二板体4沿着第二方向匀速运动，因此在第一表面31与第二表面41中的至少一个形成的条纹为直线条纹，直线条纹间隔设置。且第一表面31的直线条纹与第一板体3的宽度方向成第一预设夹角，或者，第二表面41的直线条纹第二板体4的宽度方向成第二预设夹角。
在一些实施例中，在将第一表面31与第二表面41中至少一个毛化处理的过程中，
钢丝刷辊工作时受到的压力为1Mpa～1.5Mpa，钢丝刷辊的直径为250mm～400mm，钢丝刷辊的转速为400r/min～600r/min，钢丝刷辊的刷丝硬度为HRC55～60，刷丝的长度为10mm～40mm，刷丝的直径为0.3mm～0.5mm。
通过摩擦形成条纹33，由于毛化摩擦辊是匀速转动，第一板体3与第二板体4沿着第二方向匀速运动，因此在第一表面31与第二表面41中的至少一个形成的条纹为直线条纹，直线条纹间隔设置，以使直线条纹与第一板体3或第二板体4的宽度方向成预设夹角。相邻两个条纹之间的间距和比例满足上述要求。毛化处理可以进行一次，也可以进行两次或者更多次。
在一些实施例中，将第一表面31与第二表面41中至少一个毛化处理的步骤中，
毛化摩擦辊包括砂轮，砂轮的沙粒目数为40～120，砂轮工作时受到的压力为0.1MPa～0.5MPa，砂轮的直径为200mm～400mm。
在一些实施例中，在将第一表面31毛化处理的步骤中，
除去第一表面31的碎屑；
在一些实施例中，在将第二表面41毛化处理的步骤中，
除去第二表面41的碎屑。
在除尘辊转动的过程中可除去第一表面31或第二表面41的碎屑，当第一板体3或者第二板体4运动至上下两行喷气口之间时，喷气口向第一板体3或者第二板体4喷射高速气流，将第一表面31或第二表面41的碎屑进一步清除，使得第一板体3或者第二板体4的表面干净，确保摄像头可以获取清晰的图像信息，避免对第一板体3与第二板体4复合产生影响。
在一些实施例中，在将第一表面31毛化处理的步骤中，
获取第一表面31的单位面积条纹数；
确定第一表面31的单位面积条纹数小于对应的预设值，调整用于毛化处理的毛化摩擦辊的位置，以使毛化摩擦辊充分接触第一表面31。
控制终端可根据获取的图像信息计算单位面积条纹数，当确定第一表面31的单位面积条纹数小于对应的预设值时，控制终端向控制 器发送控制指令，控制器根据控制指令控制升降组件升高，增加毛化摩擦辊的高度，使得毛化摩擦辊与第一表面31接触紧密。
当确定第一表面31的单位面积条纹数大于对应的预设值时，说明毛化摩擦辊与第一表面31接触良好，无需调整毛化摩擦辊的位置。
同理，在将第二表面41毛化处理的步骤中，
获取第二表面41的单位面积条纹数；
确定第二表面41的单位面积条纹数小于对应的预设值，调整用于毛化处理的毛化摩擦辊的位置，以使毛化摩擦辊充分接触第二表面41。
当确定第二表面41的单位面积条纹数大于对应的预设值时，说明毛化摩擦辊与第二表面41接触良好，无需调整毛化摩擦辊的位置。
需要说明的是，获取第一表面31或第二表面41的单位面积条纹数的步骤，一般在除去碎屑之后。
在一些实施例中，控制第一轧辊1与第二轧辊2转动以将第一板体3和第二板体4辊压成型出复合板5的步骤之前，还包括：
控制第一板体3与第二板体4加热至预设温度。
在对第一板体3与第二板体4进行加热的过程中采用在线加热方式，具体可采用电涡流加热的方式，第一板体3的加热温度为350℃。采用在线加热方式，可以实现第一板体3的第一表面31与第二板体4的第二表面41在半熔状态轧制复合，进一步提高复合板5的结合强度。
本发明实施例中对第一板体3采用在线加热方式，即对不锈钢板采用在线加热方式，其目的在于使得第一表面31的条纹33受热膨胀，使得条纹33的沟槽加宽和加深。然后将受热的不锈钢板与硬度较低的铝合金板通过上下轧辊碾压在一起后，由于不锈钢板的硬度远远大于铝合金板的硬度，因此在铝合金板与不锈钢板相互复合的复合面上，铝合金板将被压入不锈钢表面的沟槽内，同时不锈钢板受冷收缩，铝 合金板表面受热膨胀，这样就可以使得不锈钢板与铝合金板在沟槽的两侧紧密贴合在一起，构成过盈配合，由此即可形成不锈钢板与铝合金板之间紧密的结合在一起。
根据本发明的实施例，在控制第一轧辊1与第二轧辊2转动以将第一板体3和第二板体4辊压成型出复合板5的步骤之后，还包括以下步骤：
步骤140，对复合板5进行固溶处理；
其中，固溶处理包括加热阶段和冷却阶段，在加热阶段，将复合板5放入固溶炉内进行固溶处理，固溶处理的固溶温度为480℃～540℃，固溶处理的固溶时间为45min～65min。在冷却阶段，将复合板5进行快速冷却，使得复合板5最终冷却至常温。通过对复合板5进行固溶处理，使得复合板5的结合强度进一步提高。
步骤150，将固溶处理后的复合板5进行时效处理。
复合板5进行固溶处理后，还需要进行时效处理。时效处理在时效炉中进行，时效处理的时效温度为160℃～200℃，时效处理的时效时间为5h～7h。通过对复合板进行时效处理，可进一步提高复合板的结合强度。
在一些实施例中，将第一板体3的第一表面31与第二板体4的第二表面41相接触的步骤之前，还包括：
第一板体3与第二板体4预制成厚度比为1.5：1.0；
控制第一轧辊1与第二轧辊2转动以将第一板体3和第二板体4辊压成型出复合板5的步骤中，
第一轧辊1与第二轧辊2的异速比为1：1.05，并控制轧制的压下率为20％-40％。
其中，第一轧辊1与第二轧辊2可为异步轧制，异步轧制是指，将不锈钢板与铝合金板(即第一板体3与第二板体4)用上下轧辊碾压轧制成复合板的过程，第一轧辊1与第二轧辊2的转速不同。
在一些实施例中，在步骤110之前，也就是将第一板体3的第一表面31与第二板体4的第二表面41相接触的步骤之前，
将第一表面31的表面粗糙度预制为0.8Ra～4.0Ra。其中，Ra为算数平均粗糙度。
通过控制第一表面31的表面粗糙度，可保证第一表面31与第二表面41的接触面积，进而保证第一板体3与第二板体4的辊压固定效果。
在一些实施例中，在步骤110之前，将第一板体3的第一表面31与第二板体4的第二表面41相接触的步骤之前，
将第二表面41的表面粗糙度预制为4Ra～10Ra。其中，Ra为算数平均粗糙度。
第一表面31与第二表面41配合，有效提高复合板5的硬度，满足复合板5的加工要求，进而满足制作手机边框的需求。
在一些实施例中，在步骤110之前，将第一板体3的第一表面31与第二板体4的第二表面41相接触的步骤之前，
将第一板体3预制成硬度为HV 270～330。其中，HV为维氏硬度，单位为kg/mm 2。
维氏硬度定义为：将正四棱锥金刚石压头以一定的载荷压入试样表面并保持一定的时间后卸载试验力，所使用的载荷与试样表面上形成的压痕的面积之比。
第一板体3的硬度预制为HV 270～330，使得加工后的复合板5的硬度满足需求。
在一些实施例中，步骤130中，控制第一轧辊1与第二轧辊2将第一板体3和第二板体4辊压成型为复合板5的步骤，
复合板5的剪切强度为a*b*K1*K2*σ 软；
其中，a为第二板体4的长度，b为第二板体4的宽度，K1为第二板体4的毛化面积比，K1的取值范围为1.5-3；K2为第一板体3 与第二板体4的结合率，K2的取值范围为0.15-0.3，当K1*K2＞1时，K1与K2的乘积取值为1；σ 软为第一板体3的屈服强度，σ 软的取值范围为350-412Mpa。
复合板5可用于手机边框等对剪切强度要求较高的应用需求。
在一些实施例中，第一板体3为不锈钢板，第二板体4为铝板。不锈钢板和铝板辊轧成型为复合板5，复合板5的剪切强度得以优化，使复合板5更加牢固。
第一板体3为不锈钢板，不锈钢板包括含有各种合金成分的不锈钢板和含有各种非金属元素的不锈钢板，或者，各种金相组织结构的不锈钢板。第二板体4为铝合金板，铝合金板包括含有各种合金及各种成分配比的铝合金板体。
当然，第一板体3与第二板体4的材质并不限定于此，具体根据实际需要进行确定。下面结合图1至图5描述本发明的一个具体实施例：复合板5通过第一板体3和第二板体4辊轧加工成型，第一板体3为不锈钢板，第二板体4为铝板。不锈钢板的第一表面31形成有条纹33，条纹33为直线条纹，直线条纹间隔设置。相邻两个条纹33之间的距离为0.02mm的条纹在条纹总数中占比大于90％。不锈钢板呈长条形，条纹33的长度方向与不锈钢板的宽度方向之间成78°角，不锈钢板的硬度为HV300，不锈钢板的第一表面31的粗糙度为2Ra。
铝合金板的第二表面41也形成有条纹，不锈钢板与铝合金板的厚度比为1.5:1.0。铝合金板的条纹也为直线条纹，直线条纹间隔设置。相邻两个条纹之间的距离为0.02mm的条纹在条纹总数中占比大于90％。铝合金板也呈长条形，条纹的长度方向与铝合金板的宽度方向之间成78°，铝合金板的第二表面41的粗糙度为3Ra。
不锈钢板的第一表面31与铝合金板的第二表面41轧制连接形成复合板5，复合板5的剪切强度满足a*b*K1*K2*σ 软，a为不锈钢板 的长度，b为不锈钢板的宽度，K1为不锈钢板的毛化面积比，K1的取值范围为2；K2为不锈钢板与铝合金板的结合率，K2的取值范围为0.2，当K1*K2＞1时，K1与K2的乘积均取值为1；σ软为铝合金板的屈服强度，σ 软的取值范围为380Mpa。
通过对第一板体3的第一表面31进行毛化处理，使得第一表面31形成条纹33，增大第二板体4与第一板体3轧制时的面积，使得第二板体4与第一板体3复合之后的复合板5结合强度更高，结合更牢固。本发明实施例轧制加工出的复合板5所能承载的剪切力较大，复合板5的结合更加严密，结构牢固，符合设计要求。复合板5可作为加工手机边框的材料，应用于手机的制作时，满足手机信号屏蔽程度小且强重比低等多方面要求。
本发明的第二方面的实施例，结合图6至图11所示，还提供一种辊轧装置，包括第一轧辊1和第二轧辊2，第一轧辊1构造有周向设置的凹槽13；第二轧辊2适于与第一轧辊1配合辊压。
第一轧辊1与第二轧辊2相对转动以对被加工件进行辊压和输送。第一轧辊1的周向环绕有凹槽13，以使辊轧过程中被加工件始终保持在凹槽13内，通过凹槽13的壁面对被加工件进行限位，以解决被加工件的侧边出现飞边和毛刺的问题，优化辊轧效果，还能节省去除飞边和毛刺的工序。
上述实施例的金属材料复合加工方法，可通过本实施例以及下述实施例中的辊轧装置执行。也就是，第一板体3和第二板体4放置在凹槽13内并通过第一轧辊1与第二轧辊2进行辊压加工。
在一些实施例中，参考图6和图7所示，第二轧辊2构造有周向设置的凸块23，凸块23适于***凹槽13。通过凸块23和凹槽13配合，对凹槽13内的被加工件进行限位，有效避免被加工件从第一轧辊1与第二轧辊2之间的间隙溢出，以有效避免被加工件形成飞边和毛刺。
其中，凸块23环绕第二轧辊2的周向设置，在第一轧辊1与第二轧辊2进行辊轧的位置，凸块23需要覆盖凹槽13的开口，以保证加工效果。
在一些实施例中，参考图6、图8以及图10所示，第一轧辊1与第二轧辊2中的至少一个包括辊芯和套设于辊芯外侧的辊套，方便独立更换辊芯或辊套。
当辊芯表面出现缺陷可以进行更换，也可以优选表面性能更优的材料制作辊芯，经济耐用。
参考图6、图8以及图10所示，第一轧辊1包括第一辊芯11和第一辊套12，第一辊套12的周向成型有环形的凹槽13。
当然，参考图8所示，第二轧辊2可以设置为包括第二辊芯21和第二辊套22，第二辊套22的周向可成型有环形的凸块23。
在一些实施例中，辊套与辊芯可通过单键或花键连接(图中未示意)，辊芯上设有位于辊套两端的卡簧，或者辊芯上设有位于辊套一端的轴肩和位于辊套另一端的卡簧。单键或花键使得辊芯与辊套在周向上不发生相对转动，且方便辊套在辊芯上的装卸。轴肩与卡簧配合，使得辊套在辊芯轴向上不发生滑动。
在另一些实施例中，辊套与辊芯通过螺纹连接，辊芯上设有位于辊套两端的紧定螺母，或者辊芯上设有位于辊套一端的轴肩和位于辊套另一端的紧定螺母。利用螺纹连接实现辊套在辊芯上的装卸，紧定螺母和辊套的设置，使得辊套在辊芯轴向上不发生滑动。
在一些实施例中，沿凹槽13的底壁向凹槽13的开口方向，凹槽13的宽度增大。参考图6至图11所示，凹槽13为上宽下窄的结构，使凹槽13内的被加工件更容易脱模。
其中，沿凹槽13的底壁向凹槽13的开口方向，也就是沿凹槽13的纵向，宽度为相对的两侧壁之间的距离。宽度增大可以为逐渐增大、阶梯式增大。
参考图6和图7所示，凹槽13的侧壁包括垂直于凹槽13的底壁的圆环面段和与圆环面段构成夹角的圆锥面段，圆环面段连接于凹槽13的底壁；参考图8和图9所示，凹槽13的侧壁包括垂直于凹槽13的底壁的圆环面段和与圆环面段构成夹角的圆锥面段，圆锥面段连接于凹槽13的底壁；参考图10和图11所示，凹槽13的侧壁为圆锥面。
在一些实施例中，凹槽13的至少一个侧壁构造有斜面，斜面与凹槽13的底壁形成94°～96°的夹角。斜面与凹槽13的底壁形成的角度范围，对被加工件的侧边的结构影响不大，还方便被加工件脱模。
参考图6至图9所示，圆环面段与圆锥面段形成184°～186°的夹角；参考图10和图11所示，圆锥面与底壁形成94°～96°的夹角。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (20)

  1. 一种金属材料复合加工方法，其特征在于，包括：
    将第一板体的第一表面与第二板体的第二表面相接触；
    将所述第一板体与所述第二板体放置在第一轧辊周向的凹槽内，并使所述第二板体的第三表面接触所述凹槽的底壁，其中，所述第三表面与所述第二表面相背，所述第一板体的硬度大于所述第二板体的硬度；
    控制所述第一轧辊与第二轧辊转动以将所述第一板体和所述第二板体辊压成型出复合板，其中，辊压过程中，第一板体的第四表面与所述第二轧辊的表面接触，所述第四表面与所述第一表面相背。
  2. 根据权利要求1所述的金属材料复合加工方法，其特征在于，所述将第一板体的第一表面与第二板体的第二表面相接触的步骤之前，
    将所述第一表面与所述第二表面中的至少一个毛化处理，以使所述第一表面与所述第二表面中的至少一个构造出多条条纹，相邻所述条纹之间设有间距，并控制处于预设间距的条纹数量大于或等于条纹总数的预设比例。
  3. 根据权利要求2所述的金属材料复合加工方法，其特征在于，将所述第一表面毛化处理的步骤中，
    所述第一表面的条纹控制在预设间距为0.005mm-0.03mm，预设比例为90％。
  4. 根据权利要求2所述的金属材料复合加工方法，其特征在于，将所述第一表面毛化处理的步骤中，
    所述第一表面的条纹控制在预设间距为0.01mm-0.02mm；预设比例为90％。
  5. 根据权利要求2所述的金属材料复合加工方法，其特征在于，将所述第一表面毛化处理的步骤中，
    所述第一表面的条纹控制在预设间距为0.01mm-0.02mm，预设比例为80％。
  6. 根据权利要求2所述的金属材料复合加工方法，其特征在于，将所述第一表面毛化处理的步骤中，
    所述第一表面的条纹控制在预设间距为0.01mm-0.02mm，预设比例为70％。
  7. 根据权利要求2所述的金属材料复合加工方法，其特征在于，将所述第一表面毛化处理的步骤中，
    所述第一表面的条纹控制在预设间距为0.01mm-0.02mm，预设比例为50％。
  8. 根据权利要求2所述的金属材料复合加工方法，其特征在于，将所述第一表面与所述第二表面中的至少一个毛化处理的步骤中，
    通过毛化摩擦辊对所述第一表面与所述第二表面中的至少一个摩擦形成条纹，所述毛化摩擦辊包括钢丝刷辊，所述钢丝刷辊工作时受到的压力为1Mpa～1.5Mpa，所述钢丝刷辊的直径为250mm～400mm，所述钢丝刷辊的转速为400r/min～600r/min，所述钢丝刷辊的刷丝硬度为HRC55～60，所述刷丝的长度为10mm～40mm，所述刷丝的直径为0.3mm～0.5mm。
  9. 根据权利要求2所述的金属材料复合加工方法，其特征在于，将所述第一表面与所述第二表面中的至少一个毛化处理的步骤中，
    通过毛化摩擦辊对所述第一表面与所述第二表面中的至少一个摩擦形成条纹，所述毛化摩擦辊包括砂轮，所述砂轮的沙粒目数为40～120，所述砂轮工作时受到的压力为0.1MPa～0.5MPa，所述砂轮的直径为200mm～400mm。
  10. 根据权利要求2所述的金属材料复合加工方法，其特征在于，在将所述第一表面毛化处理的步骤中，
    除去所述第一表面的碎屑；
    或，在将所述第二表面毛化处理的步骤中，
    除去所述第二表面的碎屑。
  11. 根据权利要求2所述的金属材料复合加工方法，其特征在于，在将所述第一表面毛化处理的步骤中，
    获取所述第一表面的单位面积条纹数；
    确定所述第一表面的单位面积条纹数小于对应的预设值，调整用于毛化处理的毛化摩擦辊的位置，以使所述毛化摩擦辊充分接触所述第一表面；
    或，在将所述第二表面毛化处理的步骤中，
    获取所述第二表面的单位面积条纹数；
    确定所述第二表面的单位面积条纹数小于对应的预设值，调整用于毛化处理的毛化摩擦辊的位置，以使所述毛化摩擦辊充分接触所述第二表面。
  12. 根据权利要求2所述的金属材料复合加工方法，其特征在于，所述控制所述第一轧辊与第二轧辊转动以将所述第一板体和所述第二板体辊压成型出复合板的步骤之前，还包括：
    控制所述第一板体与所述第二板体加热至预设温度。
  13. 根据权利要求1所述的金属材料复合加工方法，其特征在于，所述控制所述第一轧辊与第二轧辊转动以将所述第一板体和所述第二板体辊压成型出复合板的步骤之后，还包括：
    将所述复合板进行固溶处理；
    将固溶处理后的所述复合板进行时效处理。
  14. 根据权利要求13所述的金属材料复合加工方法，其特征在于，所述固溶处理的固溶温度为480℃～540℃，所述固溶处理的固溶时间为45min～65min；
    所述时效处理的时效温度为160℃～200℃，所述时效处理的时效 时间为5h～7h。
  15. 根据权利要求1所述的金属材料复合加工方法，其特征在于，所述将第一板体的第一表面与第二板体的第二表面相接触的步骤之前，还包括：
    所述第一板体与所述第二板体预制成厚度比为1.5：1.0；
    所述控制所述第一轧辊与第二轧辊转动以将所述第一板体和所述第二板体辊压成型出复合板的步骤中，
    所述第一轧辊与所述第二轧辊的异速比为1：1.05，并控制轧制的压下率为20％-40％。
  16. 根据权利要求1所述的金属材料复合加工方法，其特征在于，所述将第一板体的第一表面与第二板体的第二表面相接触的步骤之前，
    所述第一表面的粗糙度预制为0.8Ra～4.0Ra。
  17. 根据权利要求1所述的金属材料复合加工方法，其特征在于，所述将第一板体的第一表面与第二板体的第二表面相接触的步骤之前，
    所述第二表面的粗糙度预制为4Ra～10Ra。
  18. 根据权利要求1所述的金属材料复合加工方法，其特征在于，所述第一板体为不锈钢板，所述第二板体为铝板。
  19. 根据权利要求1所述的金属材料复合加工方法，其特征在于，所述控制所述第一轧辊与所述第二轧辊将所述第一板体和所述第二板体辊压成型出复合板的步骤中，
    制得所述复合板的剪切强度τ＝a*b*K1*K2*σ 软，
    其中，a为所述第一板体的长度，b为所述第一板体的宽度，K1为所述第一板体的毛化面积比，K1的取值范围为1.5-3；K2为所述第一板体与所述第二板体的结合率，K2的取值范围为0.15-0.3，当K1*K2＞1时，K1与K2的乘积均取值为1；所述σ 软为所述第二板体 的屈服强度，σ 软的取值范围为350Mpa～412Mpa。
  20. 根据权利要求2所述的金属材料复合加工方法，其特征在于，将所述第一表面毛化处理的步骤之前，
    所述第一板体预制为长条形；
    将所述第一表面毛化处理的步骤中，
    控制所述第一表面的条纹的长度方向与所述第一板体的宽度方向之间成第一预设夹角；
    或，将所述第二表面毛化处理的步骤之前，
    所述第二板体预制为长条形；
    将所述第二表面毛化处理的步骤中，
    控制所述第二表面的条纹的长度方向与所述第二板体的宽度方向之间成第二预设夹角。
PCT/CN2021/123161 2021-03-05 2021-11-01 金属材料复合加工方法 WO2022183734A1 (zh)

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