CN113441619B - Aluminum alloy deep-drawing multifunctional cup and processing technology thereof - Google Patents
Aluminum alloy deep-drawing multifunctional cup and processing technology thereof Download PDFInfo
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- CN113441619B CN113441619B CN202110930734.XA CN202110930734A CN113441619B CN 113441619 B CN113441619 B CN 113441619B CN 202110930734 A CN202110930734 A CN 202110930734A CN 113441619 B CN113441619 B CN 113441619B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2205—Drinking glasses or vessels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/24—Deep-drawing involving two drawing operations having effects in opposite directions with respect to the blank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/16—Additional equipment in association with the tools, e.g. for shearing, for trimming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention relates to an aluminum alloy deep-drawing multifunctional cup and a processing technology thereof, wherein the processing technology comprises the following steps of S1, blanking aluminum material; s2, forming a cup once; s3, primary stretching; s4, secondary stretching; s5, stretching for three times; s6, stretching for four times; step S7, stretching for five times; s8, trimming; s9, rounding the mouth part; s10, cleaning; s11, drying; and step S12, packaging. Comparing the width of the reserved aluminum material at the cup opening with the standard width reserved at the cup opening through a central control module in the step S2, and adjusting the standard diameter size of the round material sheet cut in the step S1; in the invention, in step S3, the thickness of the step part which is drawn is compared with the thickness of a standard step through a central control module, the drawing speed of the primary drawing die part is adjusted, the central control module judges the uniform degree of the thickness of the drawing step through the thickness difference of each detection point, and the adjustment is repeated in step S4, step S5, step S6 and step S7.
Description
Technical Field
The invention relates to the technical field of aluminum cup production and processing, in particular to an aluminum alloy deep-drawing multifunctional cup and a processing technology thereof.
Background
Disposable paper cups in the market are used as disposable products, have the requirements of new concepts and development trends of reducing environmental pollution and advocating green recycling of materials, and have the defects of uneven quality and larger potential safety hazard.
In order to make the paper cup achieve the water-resisting effect, a layer of polyethylene water-resisting film is coated on the inner wall in the production process, the polyethylene is the safest chemical substance in food processing, but if the selected material is not good or the processing technology is not over-restricted, the polyethylene can be oxidized into carbonyl compounds in the process of hot melting or coating the paper cup, the carbonyl compounds are not easy to volatilize at normal temperature, but can be volatilized when hot water is poured into the paper cup; the paper cup is manufactured, trees need to be felled, trees which cannot be measured are felled every year, trees are reduced, land desertification is achieved, the damage to ecological environment is increasingly serious, the production process of paper can cause serious pollution to the environment, the annual demand of the paper cup in China is about 60 hundred million by incomplete statistics, the production process can cause serious damage to the environment in which people live, the use of disposable articles is advocated to be reduced and the large environment of plasticization is removed all over the world, the novel-material paper cup is urgently needed, the defects of the paper cup can be compensated, the function of the paper cup can be realized, and the disposable paper cup made of paper can be perfectly replaced.
Disclosure of Invention
Therefore, the invention provides an aluminum alloy deep-drawing multifunctional cup and a processing technology thereof, which are used for solving the problems that the potential safety hazard of paper cup use is large and the environment is damaged and polluted in the paper cup production in the prior art.
In order to achieve the above object, the present invention provides an aluminum alloy deep-drawing multifunctional cup and a processing process for the aluminum alloy deep-drawing multifunctional cup, the process comprising:
step S1, blanking an aluminum material, and shearing a film-coated aluminum plate into a round material sheet through a forming device for the next process;
s2, forming a cup once, moving the round material sheet manufactured in the previous procedure to a cup forming die position through a forming device, and performing once stamping by utilizing a punch and a blank pressing assembly to manufacture a primary cup;
s3, primary stretching, namely moving the primary cup manufactured in the previous procedure to a primary stretching mold position through a forming device, and manufacturing the primary cup into a step cup after primary stretching;
s4, secondary stretching, namely moving the one-step cup manufactured in the previous procedure to a secondary stretching mold position through a forming device, and manufacturing the two-step cup after secondary stretching;
s5, stretching for three times, namely moving the two-step cup manufactured in the previous procedure to a position of a stretching die for three times through a forming device, and manufacturing a three-step cup after stretching for the third time;
s6, stretching for four times, namely moving the three-step cup manufactured in the previous procedure to the position of a stretching mold for four times through a forming device, and manufacturing the cup into a four-step cup after the fourth stretching;
step 7, performing five-time stretching, namely moving the four-step cup manufactured in the previous step to a position of a five-time stretching mold through a forming device, and manufacturing a five-step cup after the fifth stretching;
s8, trimming, namely shearing off redundant aluminum materials at the cup mouth part through a forming device;
s9, rolling the mouth part of the cup, and rolling the originally flat mouth part of the cup into a circular edge through a forming device;
step S10, cleaning, namely cleaning the surface of a finished product by a cleaning machine;
s11, drying, namely drying the surface of the finished product by a dryer;
s12, packaging, namely packaging the finished product by a packaging machine;
in the aluminum alloy deep-drawing multifunctional cup processing technology, the forming device, the cleaning machine, the drying machine and the packaging machine are arranged;
the forming device comprises a raw material shearing component, a cup forming die component, a primary stretching die component, a secondary stretching die component, a tertiary stretching die component, a quaternary stretching die component, a quintic stretching die component, a cup opening shearing component, a cup opening rounding component and a moving platform component;
the moving platform part sequentially penetrates through the cleaning machine, the drying machine and the packaging machine;
the forming device is characterized in that a central control module is further arranged inside the forming device, the central control module is respectively connected with all parts inside the forming device, and the central control module is further respectively connected with the cleaning machine, the drying machine and the packaging machine and used for adjusting the working states of all parts.
Further, the central control module is internally provided with a standard diameter dimension D of the circular material sheet, the raw material shearing part shears raw materials according to the standard diameter dimension D to obtain the circular material sheet with the diameter D, the moving platform part moves the circular material sheet to the cup forming mould part, the cup forming mould part is provided with a distance measuring assembly, after the cup forming mould part performs one-time stamping on the circular material sheet, the distance measuring assembly detects the reserved aluminum width Ws of the punched cup opening and transmits the detection result to the central control module, the central control module is provided with a reserved standard width Wb of the cup opening, and the central control module compares the detected reserved aluminum width Ws of the cup opening with the reserved standard width Wb of the cup opening,
when Ws is larger than or equal to Wb, the central control module determines that the width of the aluminum material at the cup opening is reserved sufficiently, and does not adjust;
when Ws is less than Wb, the central control module determines that the width of the cup-mouth aluminum material is insufficient, the subsequent production is influenced, and the central control module adjusts the standard diameter of the round material sheet cut next time to be D ', D' = D + (Wb-Ws) multiplied by 2.
Further, when Ws is smaller than Wb, the central control module adjusts the standard diameter of the round material sheet to D ', the cup forming die component performs primary stamping on the round material sheet with the diameter of D', the distance measuring component detects the width Ws 'of the cup mouth reserved aluminum material after stamping, the central control module compares the detected width Ws' of the cup mouth reserved aluminum material with the standard width Wb of the cup mouth reserved aluminum material,
when Ws' is more than or equal to Wb, the central control module determines that the width of the aluminum material at the cup opening is reserved sufficiently and does not adjust;
when Ws ' is less than Wb, the standard diameter size adjustment of the circular material sheets is repeated, the width detection and comparison of the reserved aluminum materials at the cup openings are carried out, until the standard diameter size of the circular material sheets is adjusted to be D ', after three circular material sheets are punched for three times, the detected width Ws of the reserved aluminum materials at the three times of the cup openings is not smaller than the reserved standard width Wb at the cup openings, the detection of the distance measuring assembly in the cup forming die part is stopped, and the production is carried out under the state that the standard diameter size of the circular material sheets is D '.
Further, the primary stretching die part is provided with an ultrasonic ranging assembly, the primary stretching die part stretches the primary cup for one time, the stretching speed is set to be S, the primary cup is manufactured, the step part is divided into a ring shape, the step thickness detection points are arranged in the central control module, the outer edge point, the middle point and the inner edge point of the step ring are taken as a first group of detection points, the central point of the primary cup is taken as a center point, the first group of detection points are clockwise rotated by 90 degrees to be taken as a second group of detection points, then clockwise rotated by 90 degrees to be taken as a third group of detection points, and then clockwise rotated by 90 degrees to be taken as a fourth group of detection points, four groups of detection points are respectively detected, and the average number of three points of each group of detection points is detected as the detection result of the group of detection points.
Further, the ultrasonic ranging assembly detects the thickness of the stepped portion of the stepped cup, the thickness H1 of the first group of detection points, the thickness H2 of the second group of detection points, the thickness H3 of the third group of detection points and the thickness H4 of the fourth group of detection points, the detection result is transmitted to the central control module, the central control module is internally provided with a standard step thickness Hj, the central control module calculates the average of the thickness values of the four groups of detection points as the thickness Ht of the stepped portion of the stepped cup, ht = (H1 + H2+ H3+ H4)/4, the central control module compares the thickness Ht of the stepped portion of the stepped cup with the standard step thickness Hj,
when Ht is larger than or equal to Hj, the central control module judges that the thickness of the step part of the step cup exceeds the standard thickness, and the central control module does not adjust the drawing speed of the primary drawing die component;
and when Ht is less than Hj, the central control module judges that the thickness of the step part of the step cup does not reach the standard thickness, and the central control module adjusts the drawing speed of the primary drawing die component.
Further, a standard thickness difference delta Hj is arranged in the central control module, when the thickness Ht of the stepped portion of the stepped cup is smaller than the standard step thickness Hj, the central control module calculates a difference between the thickness Ht of the stepped portion of the stepped cup and the standard step thickness Hj as an actual thickness difference delta Ht, and the delta Ht = | Ht-Hj |, the central control module compares the standard thickness difference delta Hj with the actual thickness difference delta Ht,
when the delta Ht is less than or equal to the delta Hj, the central control module judges that the actual thickness difference of the step part of the step cup is within a standard range, and the central control module does not adjust the drawing speed of the primary drawing die component;
and when the delta Ht is larger than the delta Hj, the central control module judges that the actual thickness difference of the step part of the step cup is not in a standard range, and the central control module adjusts the drawing speed of the primary drawing die component to be S ', S' = (1-delta Ht/Hj) × S + Q according to the difference value of the actual thickness difference and the standard thickness difference, wherein Q is a compensation parameter of the primary drawing die component.
Furthermore, a maximum thickness difference Δ H is set in the central control module, and the thickness differences Δ Ha, Δ Hb, Δ Hc, Δ Hd, Δ He, Δ Hf of the four sets of detecting points are respectively compared with the maximum thickness difference Δ H, where Δ Ha = | H1-H2|, Δ Hb = | H1-H3|, Δ Hc = | H1-H4|, Δ Hd = | H2-H3|, Δ = | H2-H4|, Δ Hf = | H3-H4|,
when any one group of the groups of the parts is larger than the maximum thickness difference delta H, the central control module judges that the step thickness of the step cup is not uniform, and controls the primary drawing die component to reduce the drawing speed;
and when each group of the delta Ha, the delta Hb, the delta Hc, the delta Hd, the delta He and the delta Hf is less than or equal to the maximum thickness difference delta H, the central control module judges that the step thickness of the step cup is uniform, and the central control module does not adjust the stretching speed of the primary stretching die component.
Further, the secondary drawing die component, the tertiary drawing die component, the quartic drawing die component and the quintic drawing die component are all provided with ultrasonic ranging assemblies for detecting thicknesses of step parts formed by drawing the two-step cup, the three-step cup, the four-step cup and the five-step cup, and the method for judging the standard thickness and the actual thickness through comparison of the central control module is repeated to respectively adjust the drawing speeds of the secondary drawing die component, the tertiary drawing die component, the quartic drawing die component and the quintic drawing die component.
Furthermore, the five-step cup is manufactured by reversely drawing the four-step cup by the upper die of the five-step drawing die component when the five-step cup is drawn for the fifth time, and the bottom of the five-step cup protrudes from the inner part of the cup.
Furthermore, all parts in the forming device are connected by adopting a linkage action structure, and the processes of blanking, one-time cup forming, one-time stretching, secondary stretching, tertiary stretching, quartic stretching, quintic stretching, trimming and mouth part edge rolling can be simultaneously finished by the forming device once action.
Compared with the prior art, the multifunctional aluminum cup has the beneficial effects that the film-coated aluminum plate is adopted as a raw material, and the multifunctional aluminum cup is manufactured through an aluminum alloy deep drawing process, can replace a disposable paper cup and a disposable plastic cup, can effectively reduce the environmental pollution, can also reduce the environmental damage caused by manufacturing the paper cup, and can also avoid the potential safety hazard brought by the disposable paper cup and the disposable plastic cup in the using process; the recycling property of the aluminum cup is strong, the aluminum cup can be recycled repeatedly, compared with the production of the original aluminum, the recycled aluminum has no influence on the performance of the aluminum, the oxidation loss during the repeated remelting is 2 to 3 percent, about 95 percent of energy can be saved by each time of the cyclic regeneration, and the corresponding carbon dioxide emission is reduced; in the processing technology, the forming device, the cleaning machine, the drying machine and the packaging machine are coordinated and matched, so that the control process is accurate, and the production process is efficient.
Particularly, after the cup forming die part performs one-time stamping on the circular material sheet, the distance measuring assembly detects the width Ws of the reserved aluminum material at the cup opening after stamping, the central control module is provided with a standard width Wb reserved at the cup opening, the central control module compares the width Ws of the reserved aluminum material at the cup opening with the standard width Wb reserved at the cup opening, the shearing size of the circular material sheet sheared at the next time is adjusted according to the comparison result, the width of the reserved aluminum material at the cup opening may not reach the standard width reserved at the cup opening due to the influence of external factors, the width of the reserved aluminum material at the cup opening is controlled through the comparative analysis of the central control module, large batches of unqualified products in subsequent production are avoided, the process production process is accurately controlled, and the waste of resources is reduced to a certain extent.
Further, after the central control module adjusts the standard diameter size of the circular material sheet, the cup forming die part performs primary stamping on the circular material sheet after size adjustment, the central control module compares the reserved aluminum material width Ws 'of the cup opening with the reserved standard width Wb of the cup opening, and adjusts the shearing size of the circular material sheet sheared next time according to the comparison result until the standard diameter size of the circular material sheet is adjusted to be D', after three times of stamping continuously, the reserved aluminum material width Ws of the cup opening is not smaller than the reserved standard width Wb of the cup opening every time, and the size of the circular material sheet suitable for production is determined by continuously adjusting the standard diameter size of the circular material sheet, so that stable operation of the subsequent production and processing process is guaranteed.
Particularly, after the primary drawing die component draws the primary cup once to manufacture a stepped cup, the ultrasonic ranging assembly detects the thickness of detection points of the stepped portion, the central control module calculates the average thickness according to the detected thickness of the detection points, the average thickness is used as the thickness of the stepped portion, the central control module judges whether the drawing speed of the primary drawing die component needs to be adjusted or not according to the comparison between the thickness Ht of the stepped portion and the standard step thickness Hj, and the machining process can be adjusted more accurately through analysis and control of the central control module, so that the quality of the aluminum cup is guaranteed.
Further, the upper die of the five-step stretching die component is provided with a semicircular convex part, when the four-step cup is stretched for the fifth time, the upper die of the five-step stretching die component reversely stretches the four-step cup to manufacture the five-step cup, and the bottom of the five-step cup firstly protrudes from the inner part of the cup; make the inside arch that makes progress of aluminium cup, can increase the structural strength of aluminium cup, make aluminium cup more durable.
Particularly, all parts in the forming device are connected through a linkage action structure, the forming device can simultaneously complete the processes of blanking, one-time cup forming, one-time stretching, secondary stretching, tertiary stretching, quartic stretching, quintic stretching, trimming and mouth part rounding after moving once, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a process device for the aluminum alloy deep-drawing multifunctional cup processing technology of the invention;
FIG. 2 is a schematic diagram of the process for machining the aluminum alloy deep-drawing multifunctional cup according to the invention, wherein a coated aluminum plate is cut into round pieces;
FIG. 3 is a schematic diagram of one-time cup forming of the aluminum alloy deep drawing multifunctional cup processing technology of the invention;
FIG. 4 is a schematic view of one-time stretching of the aluminum alloy deep-drawing multifunctional cup processing technology of the invention;
FIG. 5 is a schematic view of secondary drawing of the aluminum alloy deep drawing multifunctional cup processing technology of the invention;
FIG. 6 is a schematic view of three stretches of the aluminum alloy deep drawn multifunctional cup processing process of the present invention;
FIG. 7 is a schematic view of four stretches of the aluminum alloy deep drawing multi-functional cup processing of the present invention;
FIG. 8 is a schematic view of five stretches of the aluminum alloy deep drawing multifunctional cup processing process of the present invention;
FIG. 9 is a schematic view of the trimming process of the aluminum alloy deep drawing multifunctional cup processing technology of the invention;
FIG. 10 is a schematic view of cleaning and drying of the aluminum alloy deep-drawing multifunctional cup processing technology of the invention;
FIG. 11 is an outline drawing of an alternative aluminum alloy deep-drawn multifunctional cup manufactured by the aluminum alloy deep-drawn multifunctional cup processing technology of the invention;
FIG. 12 is an outline drawing of an alternative aluminum alloy deep-drawn multifunctional cup manufactured by the aluminum alloy deep-drawn multifunctional cup processing technology of the invention;
FIG. 13 is an outline drawing of an alternative aluminum alloy deep-drawn multifunctional cup manufactured by the aluminum alloy deep-drawn multifunctional cup processing technology of the invention;
FIG. 14 is an outline drawing of an alternative aluminum alloy deep-drawn multifunctional cup manufactured by the aluminum alloy deep-drawn multifunctional cup processing technology of the invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and do not delimit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the process apparatus of the present invention comprises a forming device 1, a cleaning machine 2, a dryer 3, a packing machine 4, a raw material shearing component 5, a cup forming mold component 6, a primary stretching mold component 7, a secondary stretching mold component 8, a tertiary stretching mold component 9, a quartic stretching mold component 10, a quintic stretching mold component 11, a cup mouth shearing component 12, a cup mouth rolling component 13, and a moving platform component 14, wherein the process apparatus of the aluminum alloy deep-stretching multifunctional cup comprises:
step S1, blanking an aluminum material, cutting a film-coated aluminum plate into circular material pieces through a forming device 1 for use in the next process, as shown in FIG. 2, optionally selecting an aluminum coiled material or an aluminum plate (3004-H19 aluminum alloy) as the aluminum material, and cutting an aluminum coil raw material or the aluminum plate into the circular material pieces through an upper cutting die and a lower cutting die;
s2, forming a cup once, namely moving the round material sheet manufactured in the previous procedure to a cup forming mold through the forming device 1, and performing stamping once by using a punch and a blank pressing assembly to manufacture a primary cup as shown in figure 3;
step S3, primary stretching, namely moving the primary cup manufactured in the previous process to a primary stretching mold position through the forming device 1, and manufacturing the primary cup into a step cup after primary stretching, wherein the step cup is shown in figure 4;
step S4, secondary stretching, namely moving the cup with one step manufactured in the previous procedure to the position of a secondary stretching die through the forming device 1, and manufacturing the cup with two steps after secondary stretching, wherein the cup with one step is shown in figure 5;
step S5, stretching for three times, moving the two-step cup manufactured in the previous procedure to the position of a stretching die for three times through the forming device 1, and manufacturing a three-step cup after stretching for the third time, as shown in FIG. 6;
step S6, stretching for four times, namely moving the three-step cup manufactured in the previous procedure to the position of a stretching mold for four times through the forming device 1, and manufacturing the cup into a four-step cup after the fourth stretching, as shown in figure 7;
step S7, performing five times of stretching, moving the four-step cup manufactured in the previous step to the position of the five times of stretching mold by the forming device 1, and manufacturing a five-step cup after performing fifth time of stretching, as shown in fig. 8;
step S8, trimming, namely shearing off the redundant aluminum material at the cup opening part through the forming device 1, as shown in figure 9, shearing off the redundant aluminum material at the formed cup opening part to enable the cup opening to be flat and ensure the height and the size;
s9, rolling the mouth part, rolling the originally flat mouth part of the cup into a round edge through the forming device 1, and optionally, using a mouth forming die to perform flanging and rounding processing on the mouth of the cup;
step S10, cleaning, namely cleaning the surface of a finished product by a cleaning machine 2, as shown in figure 10;
step S11, drying, namely drying the surface of the finished product by a dryer 3, and removing lubricating oil and other impurities used in the production process inside and outside the aluminum cup by cleaning and drying as shown in figure 10;
alternatively, as shown in fig. 11, the outline of the aluminum cup after processing is shown.
Preferably, the cup body can be processed by a forming device to have various appearance lines, such as a round-dot concave cup body appearance diagram shown in fig. 12, a diamond-cut cup body appearance diagram shown in fig. 13, and a composite line cup body appearance diagram shown in fig. 14.
Preferably, the inner surface and the outer surface of the cleaned cup are sprayed with transparent epoxy resin coating, and the cup is dried in an oven to form a cured coating. Optionally, the printing, the coating of the gloss paint and the drying of the outer surface of the aluminum cup adopt contact printing and coating of the gloss paint. Different patterns and transparent epoxy resin external coatings for protection can be printed on the outer surface of the cup, and finally, a drying oven is used for drying and curing. Optionally, the outer coating is coated in the following thickness: 1.5gsm to 4.2gsm. Optionally, the coating is sprayed on the inner surface of the aluminum cup, and then the aluminum cup is dried in a drying oven, a transparent epoxy resin film is formed inside the cup, and optionally, the thickness of the inner coating film is as follows: 2.9gsm to 4.0gsm.
S12, packaging, namely packaging the finished product by a packaging machine 4;
in the processing technology of the aluminum alloy deep-drawing multifunctional cup, the forming device 1, the cleaning machine 2, the drying machine 3 and the packaging machine 4 are arranged;
the forming device 1 comprises a raw material shearing component 5, a cup forming die component 6, a primary stretching die component 7, a secondary stretching die component 8, a tertiary stretching die component 9, a quaternary stretching die component 10, a quintic stretching die component 11, a cup opening shearing component 12, a cup opening rolling component 13 and a moving platform component 14;
the moving platform part 14 sequentially passes through the washing machine 2, the drying machine 3 and the packing machine 4;
the forming device is characterized in that a central control module is further arranged inside the forming device 1, the central control module is respectively connected with all parts inside the forming device 1, and the central control module is further respectively connected with the cleaning machine 2, the drying machine 3 and the packaging machine 4 and used for adjusting the working states of all parts.
The laminated aluminum plate is adopted as a raw material, and the multifunctional aluminum cup is manufactured by an aluminum alloy deep-drawing process, can replace a disposable paper cup and a disposable plastic cup, can effectively reduce environmental pollution, can also reduce environmental damage caused by manufacturing the paper cup, and can avoid potential safety hazards brought by the disposable paper cup and the disposable plastic cup in the using process; the aluminum cup has strong recycling property, can be recycled repeatedly, has no influence on the performance of the aluminum compared with the production of the original aluminum, has the oxidation loss of 2 to 3 percent during the remelting process, can save about 95 percent of energy by each recycling process, and reduces the corresponding carbon dioxide emission; in the processing technology, the forming device 1, the cleaning machine 2, the drying machine 3 and the packaging machine 4 are coordinated and matched, so that the control process is accurate and the production process is efficient.
Specifically, the central control module is provided with a standard diameter dimension D of the circular material sheet, the raw material shearing part 5 shears the raw material according to the standard diameter dimension D to obtain a circular material sheet with a diameter D, the moving platform part 14 moves the circular material sheet to the cup forming mould part 6, the cup forming mould part 6 is provided with a distance measuring assembly, after the cup forming mould part 6 performs one-time stamping on the circular material sheet, the distance measuring assembly detects a cup mouth reserved aluminum material width Ws after stamping and transmits a detection result to the central control module, the central control module is provided with a cup mouth reserved standard width Wb, and the central control module compares the detected cup mouth reserved aluminum material width Ws with the cup mouth reserved standard width Wb,
when Ws is larger than or equal to Wb, the central control module determines that the width of the aluminum material at the cup opening is reserved sufficiently, and does not adjust;
when Ws is less than Wb, the central control module determines that the width of the cup-mouth aluminum material is insufficient, the subsequent production is influenced, and the central control module adjusts the standard diameter of the round material sheet cut next time to be D ', D' = D + (Wb-Ws) multiplied by 2.
When the cup forming die part 6 performs primary stamping on the circular material sheet, the distance measuring assembly detects the reserved aluminum material width Ws of the punched cup opening, the central control module is provided with a reserved standard cup opening width Wb, the reserved aluminum material width Ws of the cup opening is compared with the reserved standard cup opening width Wb by the central control module, the shearing size of the round material sheet sheared next time is adjusted according to the comparison result, the reserved aluminum material width of the cup opening may not reach the reserved standard cup opening width due to the influence of external factors, and the reserved aluminum material width of the cup opening is controlled through the comparative analysis of the central control module, so that large batches of unqualified products are avoided in subsequent production, the process production process is accurately controlled, and the waste of resources is reduced to a certain extent.
Specifically, when Ws is less than Wb, the central control module adjusts the standard diameter dimension of the round material sheet to D ', the cup forming die part 6 performs one-time punching on the round material sheet with the diameter dimension of D', the distance measuring assembly detects the width Ws 'of the punched cup mouth reserved aluminum material, the central control module compares the detected width Ws' of the cup mouth reserved aluminum material with the standard width Wb of the cup mouth reserved aluminum material,
when Ws' is more than or equal to Wb, the central control module determines that the width of the aluminum material at the cup opening is reserved sufficiently and does not adjust;
when Ws ' is less than Wb, the standard diameter size adjustment of the circular material sheets is repeated, the width detection and comparison of the reserved aluminum materials at the cup openings are carried out, until the standard diameter size of the circular material sheets is adjusted to be D ', after three circular material sheets are punched for three times, the detected width Ws of the reserved aluminum materials at the three times of the cup openings is not smaller than the reserved standard width Wb at the cup openings, the detection of the distance measuring assembly in the cup forming die part 6 is stopped, and the production is carried out under the state that the standard diameter size of the circular material sheets is D '.
After the central control module adjusts the standard diameter size of the circular material sheet, the cup forming die part 6 performs primary stamping on the circular material sheet after size adjustment, the central control module compares the reserved aluminum material width Ws 'of the cup opening with the reserved standard width Wb of the cup opening, and adjusts the shearing size of the circular material sheet sheared next time according to the comparison result until the standard diameter size of the circular material sheet is adjusted to be D', after three times of stamping continuously, the reserved aluminum material width Ws of the cup opening is not smaller than the reserved standard width Wb of the cup opening every time, the size of the circular material sheet suitable for production is determined through continuous adjustment of the standard diameter size of the circular material sheet, and stable proceeding of the subsequent production and processing processes is guaranteed.
Specifically, the primary drawing die part 7 is provided with an ultrasonic distance measuring assembly, the primary drawing die part 7 draws the primary cup at a time, the drawing speed is set to be S, the primary cup is manufactured, the step part is divided into a ring shape, the step thickness detection points are arranged in the central control module, the outer edge point, the middle point and the inner edge point of the step ring are taken as a first group of detection points, the central point of the primary cup is taken as a center point, the first group of detection points are clockwise rotated by 90 degrees to be a second group of detection points, clockwise rotated by 90 degrees to be a third group of detection points, clockwise rotated by 90 degrees to be a fourth group of detection points, four groups of detection points are respectively detected, and the average number of three points of each group of detection points is detected as the detection result of the group of detection points.
Specifically, the ultrasonic ranging component detects the thickness of the stepped portion of the stepped cup, the thickness of a first group of detection points H1, the thickness of a second group of detection points H2, the thickness of a third group of detection points H3 and the thickness of a fourth group of detection points H4 are transmitted to the central control module, a standard step thickness Hj is arranged in the central control module, the central control module calculates the average of the thickness values of the four groups of detection points as the thickness Ht of the stepped portion of the stepped cup, ht = (H1 + H2+ H3+ H4)/4, the central control module compares the thickness Ht of the stepped portion of the stepped cup with the standard step thickness Hj,
when Ht is larger than or equal to Hj, the central control module judges that the thickness of the step part of the step cup exceeds the standard thickness, and the central control module does not adjust the drawing speed of the primary drawing die component 7;
and when Ht is less than Hj, the central control module judges that the thickness of the step part of the step cup does not reach the standard thickness, and the central control module adjusts the drawing speed of the primary drawing die part 7.
Specifically, a standard thickness difference Δ Hj is set in the central control module, when the thickness Ht of the step portion of the step cup is smaller than the standard step thickness Hj, the central control module calculates a difference between the thickness Ht of the step portion of the step cup and the standard step thickness Hj as an actual thickness difference Δ Ht, Δ Ht = | Ht-Hj |, the central control module compares the standard thickness difference Δ Hj with the actual thickness difference Δ Ht,
when the delta Ht is less than or equal to the delta Hj, the central control module judges that the actual thickness difference of the step part of the step cup is within a standard range, and the central control module does not adjust the drawing speed of the primary drawing die part 7;
and when the delta Ht is larger than the delta Hj, the central control module judges that the actual thickness difference of the step part of the step cup is not in a standard range, and the central control module adjusts the drawing speed of the primary drawing die component 7 to be S ', S' = (1-delta Ht/Hj) × S + Q according to the difference value of the actual thickness difference and the standard thickness difference, wherein Q is a compensation parameter of the primary drawing die component 7.
The primary stretching die component 7 stretches the primary cup once to manufacture a stepped cup, the ultrasonic ranging component detects the thickness of detection points of the stepped portion, the central control module calculates the average thickness according to the detected thickness of each detection point, the average thickness is used as the thickness of the stepped portion, the central control module judges whether the stretching speed of the primary stretching die component 7 needs to be adjusted or not according to the comparison between the thickness Ht of the stepped portion and the standard step thickness Hj, and the processing process can be adjusted more accurately through analysis and control of the central control module, so that the quality of the aluminum cup is guaranteed.
Specifically, the central control module is provided with a maximum thickness difference Δ H, and the thickness differences Δ Ha, Δ Hb, Δ Hc, Δ Hd, Δ He, Δ Hf of the four sets of detection points are respectively compared with the maximum thickness difference Δ H, wherein Δ Ha = | H1-H2|, Δ Hb = | H1-H3|, Δ Hc = | H1-H4|, Δ Hd = | H2-H3|, Δ He = | H2-H4|, Δ Hf = | H3-H4|,
when any one group of the Δ Ha, the Δ Hb, the Δ Hc, the Δ Hd, the Δ He, and the Δ Hf is greater than the maximum thickness difference Δ H, the central control module determines that the step thickness of the one-step cup is not uniform, and controls the primary drawing die component 7 to reduce the drawing speed;
when each group of the Δ Ha, the Δ Hb, the Δ Hc, the Δ Hd, the Δ He, and the Δ Hf is less than or equal to the maximum thickness difference Δ H, the central control module determines that the step thickness of the step cup is uniform, and the central control module does not adjust the drawing speed of the primary drawing die component 7.
Specifically, the secondary drawing die part 8, the tertiary drawing die part 9, the quaternary drawing die part 10, and the quintic drawing die part 11 are each provided with an ultrasonic distance measuring assembly for detecting the thicknesses of the stepped portions drawn by the two-step cup, the three-step cup, the four-step cup, and the five-step cup, and the method for determining the standard thickness and the actual thickness by comparing the central control module is repeated to adjust the drawing speeds of the secondary drawing die part 8, the tertiary drawing die part 9, the quaternary drawing die part 10, and the quintic drawing die part 11, respectively.
Specifically, the upper die of the five-step drawing die part 11 is provided with a semicircular convex part, when the four-step cup is drawn for the fifth time, the upper die of the five-step drawing die part 11 is used for reversely drawing the four-step cup to manufacture the five-step cup, the bottom of the five-step cup protrudes from the inside of the cup first, so that the inside of the aluminum cup protrudes upwards, the structural strength of the aluminum cup can be increased, and the aluminum cup is more durable.
Particularly, each part inside the forming device 1 is connected through a linkage action structure, the forming device 1 can complete the processes of blanking, one-time cup forming, one-time stretching, two-time stretching, three-time stretching, four-time stretching, five-time stretching, edge cutting and mouth part edge rolling at the same time once action, and the working efficiency is greatly improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A processing technology of an aluminum alloy deep-drawing multifunctional cup is characterized by comprising the following steps of,
step S1, blanking an aluminum material, and shearing a film-coated aluminum plate into a round material sheet through a forming device for the next process;
s2, forming a cup once, moving the round material sheet manufactured in the previous procedure to a cup forming die position through a forming device, and performing once stamping by utilizing a punch and a blank pressing assembly to manufacture a primary cup;
s3, primary stretching, namely moving the primary cup manufactured in the previous procedure to a primary stretching mold position through a forming device, and manufacturing the primary cup into a step cup after primary stretching;
s4, secondary stretching, namely moving the one-step cup manufactured in the previous procedure to a secondary stretching mold position through a forming device, and manufacturing the two-step cup after secondary stretching;
s5, stretching for three times, moving the two-step cup manufactured in the previous procedure to the position of a stretching mold for three times through a forming device, and manufacturing a three-step cup after stretching for the third time;
s6, stretching for four times, namely moving the three-step cup manufactured in the previous procedure to the position of a stretching mold for four times through a forming device, and manufacturing the cup into a four-step cup after the fourth stretching;
step 7, performing five-time stretching, namely moving the four-step cup manufactured in the previous step to a position of a five-time stretching mold through a forming device, and manufacturing a five-step cup after the fifth stretching;
s8, trimming, namely cutting off redundant aluminum materials at the cup mouth part through a forming device;
s9, rolling the mouth part of the cup, and rolling the originally flat mouth part of the cup into a circular edge through a forming device;
step S10, cleaning, namely cleaning the surface of a finished product by a cleaning machine;
s11, drying, namely drying the surface of the finished product by a dryer;
s12, packaging, namely packaging the finished product by a packaging machine;
in the processing technology of the aluminum alloy deep-drawing multifunctional cup, the forming device, the cleaning machine, the dryer and the packaging machine are arranged;
the forming device comprises a raw material shearing component, a cup forming die component, a primary stretching die component, a secondary stretching die component, a tertiary stretching die component, a quaternary stretching die component, a quintic stretching die component, a cup mouth shearing component, a cup mouth rolling component and a moving platform component;
the moving platform part sequentially penetrates through the cleaning machine, the drying machine and the packaging machine;
the forming device is also internally provided with a central control module, the central control module is respectively connected with each component in the forming device, and the central control module is also respectively connected with the cleaning machine, the drying machine and the packaging machine and used for adjusting the working state of each component;
the central control module is internally provided with a standard diameter D of the circular material sheet, the raw material shearing part shears raw materials according to the standard diameter D to obtain the circular material sheet with the diameter D, the moving platform part moves the circular material sheet to the cup forming mould part, the cup forming mould part is provided with a distance measuring assembly, after the cup forming mould part performs primary stamping on the circular material sheet, the distance measuring assembly detects the reserved aluminum width Ws of the cup opening after stamping and transmits the detection result to the central control module, the central control module is provided with a reserved standard width Wb of the cup opening, and the central control module compares the detected reserved aluminum width Ws of the cup opening with the reserved standard width Wb of the cup opening,
when Ws is larger than or equal to Wb, the central control module determines that the width of the aluminum material at the cup opening is reserved sufficiently, and does not adjust;
when Ws is less than Wb, the central control module determines that the width reservation of the cup mouth aluminum material is insufficient, and the subsequent production is influenced, and the central control module adjusts the standard diameter size of the round material sheet cut next time to be D ', D' = D + (Wb-Ws) multiplied by 2;
when Ws is less than Wb, the central control module adjusts the standard diameter size of the round material sheet to be D ', the cup forming die component performs primary stamping on the round material sheet with the diameter size of D', the distance measuring component detects the reserved aluminum material width Ws 'of the punched cup opening, the central control module compares the detected reserved aluminum material width Ws' of the cup opening with the reserved standard width Wb of the cup opening,
when Ws' is more than or equal to Wb, the central control module determines that the width of the aluminum material at the cup opening is reserved sufficiently and does not adjust;
when Ws 'is less than Wb, repeating the standard diameter size adjustment of the circular material sheets, detecting and comparing the widths of the reserved aluminum materials at the cup openings, and stopping the detection of the distance measuring assembly in the cup forming die part, wherein the widths Ws of the reserved aluminum materials at the three cup openings are not less than the reserved standard width Wb of the cup openings after the three circular material sheets are punched for three times, and the production is carried out under the condition that the standard diameter size of the circular material sheets is D';
the primary stretching die part is provided with an ultrasonic ranging assembly, the primary stretching die part stretches a primary cup once, the stretching speed is set to be S, the primary cup is manufactured into a stepped cup, the step part is in a circular ring shape, step thickness detection points are arranged in the central control module, outer edge points, middle points and inner edge points of the stepped circular ring are taken as a first group of detection points, the central point of the primary cup is taken as a circular center point, the first group of detection points are clockwise rotated by 90 degrees to be a second group of detection points, clockwise rotated by 90 degrees to be a third group of detection points, clockwise rotated by 90 degrees to be a fourth group of detection points, four groups of detection points are respectively detected, and the average number of three points of each group of detection points is taken as the detection result of the group of detection points;
the ultrasonic ranging assembly detects the thickness of the stepped portion of the stepped cup, the thickness H1 of a first group of detection points, the thickness H2 of a second group of detection points, the thickness H3 of a third group of detection points and the thickness H4 of a fourth group of detection points, the detection result is transmitted to the central control module, the central control module is internally provided with a standard step thickness Hj, the central control module calculates the average of the thickness values of the four groups of detection points as the thickness Ht of the stepped portion of the stepped cup, ht = (H1 + H2+ H3+ H4)/4, the central control module compares the thickness Ht of the stepped portion of the stepped cup with the standard step thickness Hj,
when Ht is larger than or equal to Hj, the central control module judges that the thickness of the step part of the step cup exceeds the standard thickness, and the central control module does not adjust the drawing speed of the primary drawing die component;
when Ht is less than Hj, a standard thickness difference delta Hj is arranged in the central control module, when the thickness Ht of the step part of the step cup is less than the standard step thickness Hj, the central control module calculates the difference value between the thickness Ht of the step part of the step cup and the standard step thickness Hj as an actual thickness difference delta Ht, and the delta Ht = | Ht-Hj |, the central control module compares the standard thickness difference delta Hj with the actual thickness difference delta Ht,
when the delta Ht is less than or equal to the delta Hj, the central control module judges that the actual thickness difference of the step part of the step cup is within a standard range, and the central control module does not adjust the drawing speed of the primary drawing die component;
and when the delta Ht is larger than the delta Hj, the central control module judges that the actual thickness difference of the step part of the step cup is not in the standard range, and the central control module adjusts the drawing speed of the primary drawing die component to be S ', S' = (1-delta Ht/Hj) multiplied by S + Q according to the difference value of the actual thickness difference and the standard thickness difference, wherein Q is a compensation parameter of the primary drawing die component.
2. The aluminum alloy deep drawing multifunctional cup processing technology as claimed in claim 1, wherein a maximum thickness difference Δ H is provided in the central control module, and the thickness differences Δ Ha, Δ Hb, Δ Hc, Δ Hd, Δ He, Δ Hf of the four sets of detection points are respectively compared with the maximum thickness difference Δ H, wherein Δ Ha = | H1-H2|, Δ Hb = | H1-H3|, Δ Hc = | H1-H4|, Δ Hd = | H2-H3|, Δ He = | H2-H4|, Δ Hf | H3-H4|,
when any one group of the groups of the parts is larger than the maximum thickness difference delta H, the central control module judges that the step thickness of the step cup is not uniform, and controls the primary drawing die component to reduce the drawing speed;
and when each group of the delta Ha, the delta Hb, the delta Hc, the delta Hd, the delta He and the delta Hf is smaller than or equal to the maximum thickness difference delta H, the central control module judges that the step thickness of the step cup is uniform, and the central control module does not adjust the drawing speed of the primary drawing die component.
3. The processing technology of the aluminum alloy deep drawing multifunctional cup as claimed in claim 2, wherein the secondary drawing die part, the tertiary drawing die part, the quaternary drawing die part and the quintic drawing die part are all provided with ultrasonic ranging assemblies for detecting thicknesses of the step parts drawn by the two-step cup, the three-step cup, the four-step cup and the five-step cup, and the determination method of comparing the standard thickness with the actual thickness through the central control module is repeated to adjust the drawing speeds of the secondary drawing die part, the tertiary drawing die part, the quaternary drawing die part and the quintic drawing die part respectively.
4. The processing technology of the aluminum alloy deep drawing multifunctional cup as claimed in claim 3, wherein the five-step drawing die part upper die is provided with a semicircular convex part, and when the four-step cup is drawn for the fifth time, the five-step drawing die part upper die is reversely drawn to the four-step cup to manufacture the five-step cup, and the bottom of the five-step cup protrudes first from the inner part of the cup.
5. An aluminum alloy deep-drawing multifunctional cup, which is characterized by being manufactured by the aluminum alloy deep-drawing multifunctional cup processing technology of any one of claims 1 to 4.
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