CN214937737U - Bowl-shaped aluminum block - Google Patents
Bowl-shaped aluminum block Download PDFInfo
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- CN214937737U CN214937737U CN202022661164.2U CN202022661164U CN214937737U CN 214937737 U CN214937737 U CN 214937737U CN 202022661164 U CN202022661164 U CN 202022661164U CN 214937737 U CN214937737 U CN 214937737U
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Abstract
The utility model provides a bowl type aluminium pig belongs to aluminum product technical field. The utility model provides an epitaxial part of bowl type aluminium pig and the bottom parallel arrangement of the bowl body, corner position are the right angle, have the closed angle wearing and tearing condition less relatively, and garrulous aluminium is few, can keep the mould clean for a long time, and the aluminum product arch is lubricated good, and the aluminum product flows when being favorable to extrusion drawing to form, and the formed part outward appearance is good. Simultaneously, the direction selection in the follow-up extrusion process both can be adapted to epitaxial part hem, more can play and alleviate the edge and appear excessive sharp-pointed edges and corners, can avoid the edges and corners all can cause wearing and tearing in the later process, and then the quality that influences the processing finished piece brings mechanical damage's problem.
Description
Technical Field
The utility model relates to an aluminum product technical field especially relates to a bowl type aluminium pig.
Background
In the prior art, the surface and corner parts of the sheet-type aluminum block are subjected to friction and impact caused by collision in the processing processes of feeding, lubricating, conveying, forming and the like of the aluminum block, a lubricating layer on part of the surface is easy to scrape, and even more, the cracked small-particle aluminum also pollutes a forming die and damages the surface quality of an aluminum formed part. This makes the surface of the aluminum product easily suffer from various stretching defects such as lumps, strips, etc. For example, a common flat aluminum block (see fig. 1) has good lubrication, but the flat aluminum block is not beneficial to aluminum material flowing during extrusion and stretching forming, the appearance effect of a formed part is poor, an arched aluminum block (see fig. 2) has good lubrication, is beneficial to aluminum material flowing during extrusion and stretching forming, and has good appearance, but when the aluminum block is produced for a long time, small aluminum material cracking points are easily generated at sharp corners on the upper part of the aluminum block, and worn aluminum scraps can pollute a forming die and cause the appearance quality defect of the aluminum part.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a bowl-shaped aluminum block. The utility model provides a bowl type aluminium pig corner has the closed angle wearing and tearing condition less relatively, and garrulous aluminium is few, can keep the mould clean for a long time.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
the utility model provides a bowl type aluminium pig, including the bowl body and the extension part, the bowl body and extension part integrated into one piece, the extension part is connected with the top of the bowl body, the bottom parallel arrangement of extension part and the bowl body.
Preferably, the outer diameter of the bowl-shaped aluminum block is 34-80 mm, the depth is 0.5-2 mm, the diameter of the inner concave surface is 10-66 mm, and the angle between the inner concave inclined surface and the horizontal plane is 1-12 degrees.
Preferably, the bowl-shaped aluminum block is made of the following elements in percentage by mass: 0.1-0.2% of Si, 0.25-0.35% of Fe, 0-0.05% of Cu, 0.03-0.5% of Mn, 0-0.03% of Mg, 0-0.05% of Zn, 0-0.05% of Ti, 0-0.03% of Ni, 0-0.05% of Sr, 0-0.05% of Zr, 0-0.05% of B and the balance of Al, wherein the mass percent of Al is more than or equal to 99.2%, and the mass percent of Si, Cu, Mg, Zn, Ti, Ni, Sr, Zr and B is not 0.
The utility model provides a bowl type aluminium pig, including the bowl body and the extension part, the bowl body and extension part integrated into one piece, the extension part is connected with the top of the bowl body, the bottom parallel arrangement of extension part and the bowl body.
The utility model provides an epitaxial part of bowl type aluminium pig and the bottom parallel arrangement of the bowl body, corner position are the right angle, have the closed angle wearing and tearing condition less relatively, and garrulous aluminium is few, can keep the mould clean for a long time, and the aluminum product arch is lubricated good, and the aluminum product flows when being favorable to extrusion drawing to form, and the formed part outward appearance is good. Simultaneously, the direction selection in the follow-up extrusion process both can be adapted to epitaxial part hem, more can play and alleviate the edge and appear excessive sharp-pointed edges and corners, can avoid the edges and corners all can cause wearing and tearing in the later process, and then the quality that influences the processing finished piece brings mechanical damage's problem.
Further, the material of bowl type aluminium pig includes following mass percent's element: 0.1-0.2% of Si, 0.25-0.35% of Fe, 0-0.05% of Cu, 0.03-0.5% of Mn, 0-0.03% of Mg, 0-0.05% of Zn, 0-0.05% of Ti, 0-0.03% of Ni, 0-0.05% of Sr, 0-0.05% of Zr, 0-0.05% of B and the balance of Al, wherein the mass percent of Al is more than or equal to 99.2%, the mass percent of Si, Cu, Mg, Zn, Ti, Ni, Sr, Zr and B is not 0, and the content of manganese is controlled to be 0.03-0.5 wt%, so that the structure can be improved and the impact mechanical property of the aluminum material can be enhanced; the nickel can improve the strength and the antirust capacity of the aluminum product, the strontium element can form an aluminum-strontium combination, the crystal orientation of metal lattices is adjusted, the forming is improved, the flexibility can be greatly enhanced, the zirconium element has a synergistic effect, the corrosion resistance of the aluminum product is improved, and the surface gloss is improved. The aluminum material provided by the invention has the hardness of 23-30 HB, the tensile strength of 70-100 MPa, the yield strength of 35-59 MPa and the elongation at break of 40-60%, and has excellent forming performance and higher strength.
Drawings
FIG. 1 is a schematic structural view of a conventional flat aluminum block;
FIG. 2 is a schematic structural view of an arched aluminum block;
FIG. 3 is a side view of a bowl-shaped aluminum block, wherein 1 is an extension;
FIG. 4 is a micro-topography of the aluminum material prepared in example 1.
Detailed Description
The utility model provides a bowl type aluminium pig, including the bowl body and the extension part, the bowl body and extension part integrated into one piece, the extension part is connected with the top of the bowl body, the bottom parallel arrangement of extension part and the bowl body.
The utility model discloses in, the external diameter of bowl type aluminium pig is preferred 34 ~ 80mm, and the degree of depth is preferred 0.5 ~ 2mm, and interior concave surface diameter is preferred 10 ~ 66mm, the preferred 1 ~ 12 of angle of indent inclined plane and horizontal plane, the external diameter refers to the biggest circumference diameter of bowl body extension part.
In the present invention, the upper and lower surfaces of the epitaxial portion of the bowl-shaped aluminum block are preferably provided with protrusions. FIG. 3 is a side view of a bowl-shaped aluminum block, wherein 1 is an extension part, and granular protrusions with the diameter of 0.3-1 mm are arranged on the upper surface and the lower surface of the bowl-shaped aluminum block, so that surface lubrication treatment is facilitated.
The utility model discloses in, the material of bowl type aluminium pig is preferred to include following mass percent's element: 0.1-0.2% of Si, 0.25-0.35% of Fe, 0-0.05% of Cu, 0.03-0.5% of Mn, 0-0.03% of Mg, 0-0.05% of Zn, 0-0.05% of Ti, 0-0.03% of Ni, 0-0.05% of Sr, 0-0.05% of Zr, 0-0.05% of B and the balance of Al, wherein the mass percent of Al is more than or equal to 99.2%, and the mass percent of Si, Cu, Mg, Zn, Ti, Ni, Sr, Zr and B is not 0.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.15 ~ 0.18 wt% Si, Si can strengthen the intensity of aluminum product.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.28 ~ 0.32 wt% Fe, Fe can strengthen the intensity of aluminum product.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.01 ~ 0.03 wt% Cu, Cu can strengthen the intensity of aluminum product.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.1 ~ 0.3 wt% Mn, Mn can improve the structure, strengthens the impact mechanical properties of aluminum product.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.1 ~ 0.02 wt% Mg, Mg can strengthen the rust-resistant ability of aluminum product, improves the surface finish mobility.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.01 ~ 0.03 wt% Zn, Zn can adjust the crystalline grain structure, promotes the aluminum product optimization.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.01 ~ 0.03 wt% Ti, Ti can be as the inside crystalline phase structure of adjustment aluminum product of regulator, refines the crystalline grain.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.01 ~ 0.02 wt% Ni, the intensity and the rust-resistant ability of aluminum product can be improved to nickel.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.01 ~ 0.03 wt% Sr, strontium element can form aluminium-strontium combination body, adjusts metal lattice crystal orientation, improves the shaping, can strengthen the pliability by a wide margin.
The utility model discloses a material of bowl type aluminium pig is preferred to include 0.01 ~ 0.03 wt% Zr, zirconium element and strontium element synergism improve the corrosion resistance of aluminum product, improve surperficial gloss.
The utility model discloses in, the hardness of the material of bowl type aluminium pig is preferred 23 ~ 30HB, and tensile strength is preferred 70 ~ 100MPa, and yield strength is preferred 35 ~ 59MPa, and elongation at break is preferred 40 ~ 60%.
The utility model also provides a preparation method of bowl type aluminium pig of above-mentioned technical scheme, including following step:
and (3) carrying out punching process forming on the bowl-shaped aluminum block by utilizing a punching die.
For further explanation of the present invention, the bowl-shaped aluminum block provided by the present invention will be described in detail with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
The bowl-shaped aluminum block of the embodiment comprises the following elements in percentage by mass: 0.1% of Si, 0.25% of Fe, 0.01% of Cu, 0.3% of Mn, 0.03% of Mg, 0.02% of Zn, 0.02% of Ti, 0.03% of Ni, 0.01% of Sr, 0.01% of Zr, 0.01% of B and the balance of Al.
The preparation method comprises the following steps:
preparing materials: 1090 standard aluminum ingots and 10 wt% of 3003 recycled aluminum materials are used in the batching process, mixing configuration is carried out, uniform slitting and mixing treatment is carried out, after a blast furnace is hoisted by taking 3T as a unit, dispersing treatment is carried out, the smelting furnace is started to reach 600 ℃ for smelting, and after the molten state is 0.5H, high-pressure gas columns are stirred for 15 minutes in a disturbing mode, so that molten aluminum is obtained. The gas column is inert gas, Fe agent, Si agent, Cu agent, Mn agent, Mg agent, Zn agent, Ti agent, Ni agent, Zr agent and Sr agent are added, then primary slag skimming (air column stirring) is carried out, then sampling analysis and secondary adjustment are carried out, after refined grains in a refining furnace are added, air column stirring is carried out, and special TI-B refining agent is added for refining (the TI-B refining agent comprises TiB particles and rare earth refining agent, the dosage of the TI-B refining agent is 0.08 wt% of molten aluminum, the TiB particles are contained by 0.05 wt%, and the rare earth refining agent is contained by 0.03 wt%). Then the aluminum liquid in the standing furnace enters a degassing device through a backflow pipeline for on-line purification, degassing and deslagging, and stress relief operation, after impurity removal and filtration are carried out by using a secondary filtration device, the aluminum liquid is cast and rolled into an aluminum coil blank through a casting roller which continuously rotates on a rotating belt casting machine, then the aluminum coil blank is guided from the casting machine to a hot rolling machine, the thickness is reduced by 30% after hot rolling, and then the aluminum coil blank enters a cold rolling machine through a roller rail, and the thickness is reduced by 20% after cold rolling. Finally forming a 0.6m wide aluminum plate; the rolled aluminum plate is propagated to a punching line, an aluminum block is punched by using a 100-ton punching machine (an oil product (MoBIL SHC CIBUS 68 Mobil lubricating oil is used in the punching process, 5g/50 of workpiece is sprayed each time), then annealing is carried out in an annealing furnace (500 ℃) for 2 hours, the top space of the annealing furnace is continuously kept full of inert gas in the annealing process, after annealing, 400 ℃ is kept for 2 hours for first time effect treatment, then the first time effect product is naturally cooled and stored for 2 hours, and aluminum alloy particles with extremely high surface strength (3003 aluminum alloy particles with the hardness of 24-30 HB are used, the particle size is 0.3-1 mm, the air pressure of dense spraying is 2mm, and the density of dense spraying is 10 lattices/mm2) Then the second aging treatment is carried out by keeping the temperature at 80 ℃ for 2 hours, and then the obtained product is put into a rotary surface treating machine, and the polyhydric alcohol (ethanol) and the fat are addedAnd (3) an acid surface treating agent (sodium stearate), wherein the mass ratio of the second aging product to the polyhydric alcohol to the fatty acid surface treating agent is 300:0.3:0.03, performing surface rolling treatment at 10rpm for 10 minutes, finally performing vibration treatment on the finished aluminum block by using a fine stainless steel sieve, removing impurities by screening, and fixing and boxing the aluminum block to obtain the aluminum material.
Utilize the aluminum product punching process that this embodiment made to take shape, on the basis of ordinary blanking, increase special stamping die, the concave type bowl type aluminum block that has a non-planar structure that the preparation formed, figure 3 is the side view of bowl type aluminum block, wherein 1 is the extension part, there is the graininess arch processing that the diameter is 0.3 ~ 1mm on the upper and lower surface, the external diameter of bowl type aluminum block is 34mm, the degree of depth is 0.5mm, interior concave surface diameter is 10mm, interior concave inclined plane is 1 with horizontal plane angle.
The aluminum product obtained by the embodiment has no oil stain, dust, air holes and slag inclusion on the appearance, no pull mark or tearing condition on the surface, no sharp burr and pit exceeding 0.2mm, and no obvious texture direction. The utility model provides an epitaxial part of bowl type aluminium pig and the bottom parallel arrangement of the bowl body, corner position are the right angle, have the closed angle wearing and tearing condition less relatively, and garrulous aluminium is few, can keep the mould clean for a long time, and the aluminum product arch is lubricated good, and the aluminum product flows when being favorable to extrusion drawing to form, and the formed part outward appearance is good. Simultaneously, the direction selection in the follow-up extrusion process can be adapted to the partial hem of epitaxy more can play and alleviate the edge and appear excessive sharp-pointed edges and corners, can avoid the edges and corners all can cause wearing and tearing in the later process, and then the quality that influences the processing finished piece brings mechanical damage's problem.
FIG. 4 is a micro-topography of the aluminum material obtained in example 1, and it can be seen from FIG. 4 that the aluminum material has a uniform internal structure and refined crystal grains.
Example 2
The bowl-shaped aluminum block of the embodiment comprises the following elements in percentage by mass: 0.1% of Si, 0.35% of Fe, 0.05% of Cu, 0.03% of Mn, 0.03% of Mg, 0.05% of Zn, 0.05% of Ti, 0.03% of Ni, 0.05% of Sr, 0.05% of Zr, 0.05% of B and the balance of Al.
Preparing materials: 1090 standard aluminum ingots are used in the batching process toAnd 10 wt% of 3003 recycled aluminum material, performing mixing configuration, performing homogenization, slitting and mixing treatment, performing dispersion treatment after lifting a blast furnace by taking 3T as a unit, starting the furnace to 600 ℃ for smelting, and stirring for 15 minutes under the disturbance of a high-pressure gas column after the molten state is 0.5H to obtain molten aluminum. The gas column is inert gas, Fe agent, Si agent, Cu agent, Mn agent, Mg agent, Zn agent, Ti agent, Ni agent, Zr agent and Sr agent are added, then primary slag skimming (air column stirring) is carried out, then sampling analysis and secondary adjustment are carried out, after refined grains in a refining furnace are added, air column stirring is carried out, and special TI-B refining agent is added for refining (the TI-B refining agent comprises TiB particles and rare earth refining agent, the dosage of the TI-B refining agent is 0.08 wt% of molten aluminum, the TiB particles are contained by 0.07 wt%, and the rare earth refining agent is contained by 0.01 wt%). Then the aluminum liquid in the standing furnace enters a degassing device through a backflow pipeline to carry out online purification, degassing and deslagging for 10 minutes, and stress relief operation, after impurity removal and filtration are carried out by using a secondary filtration device (filtering impurities above 60 meshes), the aluminum liquid is cast and rolled into an aluminum coil blank by a casting roller which continuously rotates on a rotating belt casting machine, then the aluminum coil blank is guided to a hot rolling machine from the casting machine, the thickness is reduced by 30% after hot rolling, and then the aluminum coil blank enters a cold rolling machine through a roller rail, and the thickness is reduced by 20% after cold rolling. Finally forming a 0.6m wide aluminum plate; the rolled aluminum plate is propagated to a punching line, an aluminum block is punched by using a 100-ton punching machine (an oil product (MoBIL SHC CIBUS 68 Mobil lubricating oil is used in the punching process, 10g/50 of workpiece is sprayed each time), then annealing is carried out in an annealing furnace (300 ℃) for 20 hours, the top space of the annealing furnace is continuously kept full of inert gas in the annealing process, after annealing, the annealing is carried out for 20 hours at 300 ℃ for first time effect treatment, then the first time effect product is naturally cooled and stored for 8 hours, and aluminum alloy particles with extremely high surface strength (3003 aluminum alloy particles with the hardness of 24-30 HB are used, the particle size is 0.3-1 mm, the air pressure of dense spraying is 2mm, and the density of dense spraying is 10 lattices/mm2) Then keeping the temperature at 200 ℃ for 0.5 hour for second aging treatment, then putting the obtained product into a rotary surface treating machine, adding polyol (ethylene glycol) and fatty acid surface treating agent (stearamide), wherein the mass ratio of the second aging product to the polyol to the fatty acid surface treating agent is 400:1.0:0.05, and addingAnd performing surface rolling treatment at the speed of 10rpm for 10 minutes, finally performing vibration treatment on the finished product aluminum block by using a fine stainless steel sieve, removing impurities by screening, and simultaneously fixing and encasing to obtain the aluminum material.
The aluminum product obtained by the embodiment has no oil stain, dust, air holes and slag inclusion on the appearance, no pull mark or tearing condition on the surface, no sharp burr and pit exceeding 0.2mm, and no obvious texture direction. The utility model provides an epitaxial part of bowl type aluminium pig and the bottom parallel arrangement of the bowl body, corner position are the right angle, have the closed angle wearing and tearing condition less relatively, and garrulous aluminium is few, can keep the mould clean for a long time, and the aluminum product arch is lubricated good, and the aluminum product flows when being favorable to extrusion drawing to form, and the formed part outward appearance is good. Simultaneously, the direction selection in the follow-up extrusion process can be adapted to the partial hem of epitaxy more can play and alleviate the edge and appear excessive sharp-pointed edges and corners, can avoid the edges and corners all can cause wearing and tearing in the later process, and then the quality that influences the processing finished piece brings mechanical damage's problem.
Utilize the aluminum product punching process that this embodiment made to take shape, on the basis of ordinary blanking, increase special stamping die, the concave type bowl type aluminium pig that has non-planar structure that the preparation formed, the external diameter of bowl type aluminium pig is 80mm, and the degree of depth is 3mm, and interior concave surface diameter is 66mm, and interior concave slope is 12 with horizontal plane angle.
Comparative example a dome-shaped aluminum block made from a commercial 1070A aluminum material.
The 1070A aluminum material comprises the following elements in percentage by mass: 0.2% of Si, 0.25% of Fe, 0.03% of Cu, 0.03% of Mn, 0.03% of Mg, 0.07% of Zn, 0.03% of Ti and the balance of Al.
The results of the measurements of the properties of the products of examples 1-2 and comparative example are shown in Table 1.
TABLE 1 Properties of aluminum materials of examples 1 to 2 and comparative example
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (2)
1. The bowl-shaped aluminum block is characterized by comprising a bowl body and an extending part, wherein the bowl body and the extending part are integrally formed, the extending part is connected with the top of the bowl body, and the extending part is arranged in parallel with the bottom of the bowl body.
2. The bowl-shaped aluminum block according to claim 1, wherein the bowl-shaped aluminum block has an outer diameter of 34 to 80mm, a depth of 0.5 to 2mm, a diameter of the inner concave surface of 10 to 66mm, and an angle between the inner concave slope and the horizontal plane of 1 to 12 °.
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CN202022661164.2U CN214937737U (en) | 2020-11-17 | 2020-11-17 | Bowl-shaped aluminum block |
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CN202022661164.2U CN214937737U (en) | 2020-11-17 | 2020-11-17 | Bowl-shaped aluminum block |
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