CN110732847B - Manufacturing process of large wide-mouth liner of vacuum cup - Google Patents
Manufacturing process of large wide-mouth liner of vacuum cup Download PDFInfo
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- CN110732847B CN110732847B CN201911034746.3A CN201911034746A CN110732847B CN 110732847 B CN110732847 B CN 110732847B CN 201911034746 A CN201911034746 A CN 201911034746A CN 110732847 B CN110732847 B CN 110732847B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
- A47G19/2288—Drinking vessels or saucers used for table service with means for keeping liquid cool or hot
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Abstract
The invention discloses a manufacturing process of a large and wide opening inner container of a vacuum cup, which comprises a pipe cutting process, a water expansion process, a cup dividing process, a necking process, a material head cutting process, a stretching and shaping process, a flat opening and flat bottom process, a curling and flattening process and a necking process. Meanwhile, the gap left after welding is smaller, so that the attractiveness of the cup opening and the comfort level of people contacting the cup opening of the container are improved.
Description
Technical Field
The invention relates to a manufacturing process of an inner container, in particular to a manufacturing process of a large and wide opening inner container of a vacuum cup.
Background
In the current assembly mode of the liner of the vacuum cup, the mode of welding the liner and the opening part of the shell is mostly adopted, the welding area of the opening part of the liner manufactured by the traditional processing technology is smaller, and the welding rejection rate is high when the liner is welded with the opening part of the shell. On the other hand, the fillet radius of the opening part of the inner container is large, and a gap can be left after welding is completed, so that the attractiveness of the cup mouth and the comfort degree of people contacting the cup mouth of the container are influenced. Therefore, improvements are needed.
Disclosure of Invention
The invention provides a novel manufacturing process of a large-wide-mouth inner container of a vacuum cup, aiming at the defects of small welding area, high welding rejection rate and the like of the opening part of the inner container in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a manufacturing process of a large and wide opening inner container of a vacuum cup comprises the following steps:
(a) a pipe cutting process, namely taking a long pipe, sleeving the long pipe on a main shaft of a pipe cutter, starting the pipe cutter, rotating the main shaft of the pipe cutter at the rotating speed of 300-400 rpm, cutting the long pipe by a pipe cutter, and dividing the long pipe into short pipes, wherein the length A of each short pipe is 356-358 mm, and the diameter ∅ 1 of each short pipe is 49 mm;
(b) the water expansion process comprises the steps of putting the short pipe material into a water expansion mold, starting the water expansion mold, setting the closing pressure of the water expansion mold to be 14MPa, after the water expansion mold is closed, pressurizing and water supplying of the water expansion mold are started, the water supplying pressure of the water expansion mold is 12MPa, the water supplying pressure is maintained for 1 second, and then pressure is released, the short pipe material is subjected to water expansion to form a first liner material, the first liner material comprises a first opening part and a first liner body, the length K1 of the first opening part is 36-38 mm, and the diameter ∅ 2 of the first liner body is 66.15-66.25 mm;
(c) the cup dividing process comprises the steps of sleeving the first liner material on a main shaft of a cup dividing machine, starting the cup dividing machine, enabling the main shaft of the cup dividing machine to rotate at the rotating speed of 300-400 rpm, cutting the middle of the first liner material by a cutter of the cup dividing machine to form a second liner material, wherein the second liner material comprises a second opening and a second liner body, and the length A1 of the second liner body is 121.5-122.1 mm;
(d) a necking process, namely sleeving the second liner material on a necking die head of a necking machine, starting the necking machine, fixing the second liner material by the necking die head of the necking machine, driving the necking die head of the necking machine and the second liner material to rotate by a main shaft of the necking machine, wherein the rotating speed of the main shaft of the necking machine is 2000 r/min, driving a cutter wheel of the necking machine to the position of the necking die head of the necking machine, carrying out upper and lower spinning necking on the second opening to form a third opening, forming a third liner material by the second liner material after necking, wherein the third liner material comprises a third opening and a third liner body, the length K2 of the third opening is 29.7mm, and the diameter ∅ 3 of the third opening is 47.3-47.5 mm;
(e) a stub bar cutting procedure, namely sleeving the third liner material on a die head of a stub bar cutting machine, starting the stub bar cutting machine, fixing the third liner material by the die head of the stub bar cutting machine, driving the die head of the stub bar cutting machine and the third liner material to rotate by a main shaft of the stub bar cutting machine, wherein the rotating speed of the main shaft of the stub bar cutting machine is 300-400 r/min, cutting the third opening part by a cutting knife of the stub bar cutting machine to form a fourth opening part, forming a fourth liner material by the third liner material after the stub bar cutting, wherein the fourth liner material comprises a fourth opening part and a fourth liner body, and the length K3 of the fourth opening part is 23.5-24 mm;
(f) a stretching and shaping process, namely taking a stretching mold, wherein the stretching mold comprises an upper shaping mold, a lower shaping mold, an upper shaping cylinder and a lower shaping cylinder, sleeving the fourth liner material on the lower shaping mold, starting the stretching mold, driving the upper shaping mold and the lower shaping mold to be closed respectively by the upper shaping cylinder and the lower shaping cylinder, setting the pressure of the upper shaping cylinder to be 20MPa and the pressure of the lower shaping cylinder to be 8MPa, forming a fifth liner material after the fourth liner material is stretched and shaped, wherein the fifth liner material comprises a fifth opening and a fifth liner body, the diameter ∅ 4 of the fifth opening is 47.3-47.5 mm, and the diameter ∅ 5 of the fifth liner body is 66.15-66.25 mm;
(g) a flat opening and flat bottom process, namely sleeving the fifth liner material on a tensioning mold of a flat opening bottom machine, starting the flat opening bottom machine, fixing the fifth liner material by the tensioning mold of the flat opening bottom machine, driving the tensioning mold of the flat opening bottom machine and the fifth liner material to rotate by a main shaft of the flat opening bottom machine, wherein the rotating speed of the main shaft of the flat opening bottom machine is 1200 r/min, cutting the bottom of the fifth liner material and the fifth opening part by a cutter of the flat opening bottom machine respectively to form a sixth liner material, the sixth liner material comprises a sixth opening part and a sixth liner body, the length K4 of the sixth opening part is 21.8-22.2 mm, and the length A2 of the sixth liner material is 147.7-148.3 mm;
(h) a curling process, namely taking a curling machine, wherein the curling machine comprises a curling upper die, a curling lower die, a curling upper cylinder and a curling lower cylinder, placing the sixth liner material in the curling lower die, starting the curling machine, driving the curling upper die and the curling lower die to be closed respectively by the curling upper cylinder and the curling lower cylinder, setting the pressure of the curling upper cylinder to be 20MPa and the pressure of the curling lower cylinder to be 8MPa, forming an opening curling edge by the sixth opening, forming a seventh liner material by curling the sixth liner material, wherein the seventh liner material comprises a seventh opening and a seventh liner body, and the length K5 of the seventh opening is 15.7-16.1 mm;
(i) a curling and flattening process, namely taking a bench drill, wherein the bench drill comprises a fixed die and a bench drill press wheel, the seventh liner material is arranged on the fixed die to be fixed, the bench drill is started to work, the rotating speed of a main shaft of the bench drill is set to 800r/min, the main shaft of the bench drill drives the bench drill press wheel to rotate, the bench drill press wheel presses down the mouth part curled edge to form a mouth part plane and a mouth part inner fillet, the seventh liner material is curled and flattened to form an eighth liner material, the eighth liner material comprises an eighth mouth part and an eighth liner body, and the length K6 of the eighth mouth part is 15.0-15.2 mm;
(j) and a mouth pressing procedure, namely taking a vertical machine, wherein the vertical machine comprises a clamping die, a pressure cylinder and a vertical machine pressure wheel, the eighth liner material is arranged on the clamping die to be fixed, the vertical machine is started, the rotating speed of a main shaft of the vertical machine is set to be 300-400 r/min, the pressure of the pressure cylinder is set to be 2.5MPa, the main shaft of the vertical machine drives the clamping die and the eighth liner material to rotate, the pressure cylinder drives the vertical machine pressure wheel to be pressed to the mouth curling edge, so that the side face of the mouth curling edge forms a mouth cylindrical surface, an outer circular corner of the mouth is formed between the mouth cylindrical surface and the mouth plane, the eighth liner material forms a ninth liner material through the mouth pressing, the ninth liner material comprises a ninth mouth and a ninth liner body, and the length K7 of the ninth mouth is 15.0-15.2 mm.
First, in the step (a), a long pipe material is cut into a short pipe material suitable for subsequent processing through a pipe cutting step, and in the step (b), the short pipe material is formed into a first liner material through a water expansion step. And (c) dividing the first liner material into two parts through the cup dividing procedure in the procedure (c) to form two second liner materials, spinning and necking the second liner materials through the necking procedure in the procedure (d) to form a third opening part with a specific diameter, and cutting the third opening part through the material cutting head procedure in the procedure (e) to obtain a fourth opening part with a specific length. In the step (f), the fourth liner material is finally adjusted in diameter of the mouth and the liner body through a stretch-shaping step, thereby obtaining a fifth mouth and a fifth liner body having a specific diameter. In the step (g), the fifth liner material is subjected to the processes of opening flattening and flat bottom to finally adjust the lengths of the mouth part and the liner body, so that a sixth mouth part and a sixth liner material with specific lengths are obtained, and the primary processing of the liner is finished.
Putting the sixth liner material into a curling machine in the process (h) for curling, forming mouth part curled edges at the sixth mouth part after curling under the pressure action of a curling upper die and a curling lower die, then shaping the mouth part curled edges through a curling flattening process in the process (i) and a mouth pressing process in the process (j), spinning the upper surface of the mouth part curled edges by using a bench drill in the process (i) to form a mouth part plane and a mouth part inner circular corner, spinning the outer side surface of the mouth part curled edges through a vertical machine in the process (j) to form a mouth part cylindrical surface and a mouth part outer circular corner, and finally finishing the manufacture of the large-wide-mouth liner.
The inner container manufactured by the invention has a wider opening part, ensures a larger welding area in the welding process, reduces the welding difficulty and improves the welding yield. Meanwhile, the gap left after welding is smaller, so that the attractiveness of the cup opening and the comfort level of people contacting the cup opening of the container are improved.
Preferably, in the process (h) for manufacturing the large-wide-mouth liner of the vacuum cup, the outer diameter D1 of the eighth mouth part is 54.7-55.5 mm;
in the step (i), the fillet radius of the fillet inside the mouth part is 1.5 mm;
in the step (j), the outer diameter D2 of the cylindrical surface of the mouth part is 52.3-52.4 mm, and the fillet radius of the excircle corner of the mouth part is 0.6 mm.
The external diameter of the eighth opening part, the fillet radius of the internal fillet of the opening part and the external diameter of the cylindrical surface of the opening part are limited in the range, so that the market demand and the control process difficulty are met, and meanwhile, the production efficiency and the product quality are guaranteed.
Preferably, in the process (a), the thickness of the long pipe is 0.5 mm.
The long tube material with the wall thickness is easy to purchase in the market, the purchasing pressure is low, and meanwhile, the finished product of the inner container with the moderate thickness can be obtained in the final working procedure.
Preferably, in the manufacturing process of the large and wide opening inner container of the vacuum cup, in the step (b), a shoulder is arranged between the first opening and the first container body, and the fillet radius of the shoulder is 8 mm.
The shoulder is as the transition of first oral area and first courage body, makes the whole appearance of first courage material more level and smooth, the later stage processing of being convenient for.
Drawings
FIG. 1 is a schematic structural view of a short tube material according to the present invention;
FIG. 2 is a schematic structural diagram of a first bladder material according to the present invention;
FIG. 3 is a schematic structural diagram of a second bladder material according to the present invention;
FIG. 4 is a schematic structural diagram of a third bladder material according to the present invention;
FIG. 5 is a schematic structural diagram of a fourth bladder material according to the present invention;
FIG. 6 is a schematic structural diagram of a fifth bladder material according to the present invention;
FIG. 7 is a schematic structural view of a sixth bladder material according to the present invention;
FIG. 8 is a schematic structural view of a seventh bladder material according to the present invention;
fig. 9 is a partial enlarged view of portion X of fig. 8;
FIG. 10 is a schematic structural view of an eighth bladder material according to the present invention;
fig. 11 is a partial enlarged view of the portion Y in fig. 10;
FIG. 12 is a schematic structural view of a ninth bladder material according to the present invention;
fig. 13 is a partially enlarged view of a portion Z in fig. 12.
Detailed Description
The invention will be described in further detail with reference to the following figures 1-13 and the detailed description, which are not intended to limit the invention:
example 1
A manufacturing process of a large and wide opening inner container of a vacuum cup comprises the following steps:
(a) a pipe cutting process, namely taking a long pipe material, sleeving the long pipe material on a main shaft of a pipe cutter, starting the pipe cutter, rotating the main shaft of the pipe cutter at the rotating speed of 300 revolutions per minute, cutting the long pipe material by a pipe cutter, and dividing the long pipe material into short pipe materials 1, wherein the length A of each short pipe material 1 is 356mm, and the diameter ∅ 1 of each short pipe material 1 is 49 mm;
(b) a water expansion process, namely putting the short pipe material 1 into a water expansion mold, starting the water expansion mold, setting the closing pressure of the water expansion mold to be 14MPa, starting pressurization and water supply of the water expansion mold after the water expansion mold is closed, setting the water supply pressure of the water expansion mold to be 12MPa, maintaining the water supply pressure for 1 second, and then releasing the pressure, wherein the short pipe material 1 is expanded with water to form a first liner material 2, the first liner material 2 comprises a first opening part 21 and a first liner body 22, the length K1 of the first opening part 21 is 36mm, and the diameter ∅ 2 of the first liner body 22 is 66.15 mm;
(c) a cup dividing procedure, namely sleeving the first liner material 2 on a main shaft of a cup dividing machine, starting the cup dividing machine, rotating the main shaft of the cup dividing machine at a rotating speed of 300 revolutions per minute, cutting the middle part of the first liner material 2 by a cutter of the cup dividing machine to form a second liner material 3, wherein the second liner material 3 comprises a second opening part 31 and a second liner body 32, and the length A1 of the second liner body 32 is 121.5 mm;
(d) a necking step, namely sleeving the second liner material 3 on a necking die head of a necking machine, starting the necking machine, fixing the second liner material 3 by the necking die head of the necking machine, driving the necking die head of the necking machine and the second liner material 3 to rotate by a main shaft of the necking machine, wherein the rotating speed of the main shaft of the necking machine is 2000 r/min, driving a cutter wheel of the necking machine to the position of the necking die head of the necking machine, and carrying out up-and-down spinning necking on the second mouth part 31 to form a third mouth part 41, wherein the second liner material 3 forms a third liner material 4 after being necked, the third liner material 4 comprises a third mouth part 41 and a third liner body 42, the length K2 of the third mouth part 41 is 29.7mm, and the diameter ∅ 3 of the third mouth part 41 is 47.3 mm;
(e) a stub bar cutting procedure, namely sleeving the third liner material 4 on a die head of a stub bar cutting machine, starting the stub bar cutting machine, fixing the third liner material 4 on the die head of the stub bar cutting machine, driving the die head of the stub bar cutting machine and the third liner material 4 to rotate by a main shaft of the stub bar cutting machine, wherein the rotating speed of the main shaft of the stub bar cutting machine is 300 r/min, a cutter of the stub bar cutting machine cuts the third opening 41 to form a fourth opening 51, the third liner material 4 forms a fourth liner material 5 after the stub bar cutting, the fourth liner material 5 comprises the fourth opening 51 and a fourth liner body 52, and the length K3 of the fourth opening 51 is 23.5 mm;
(f) a stretching and shaping process, namely taking a stretching mold, wherein the stretching mold comprises an upper shaping mold, a lower shaping mold, an upper shaping cylinder and a lower shaping cylinder, sleeving the fourth liner material 5 on the lower shaping mold, starting the stretching mold, driving the upper shaping mold and the lower shaping mold to be closed respectively by the upper shaping cylinder and the lower shaping cylinder, setting the pressure of the upper shaping cylinder to be 20MPa and the pressure of the lower shaping cylinder to be 8MPa, forming a fifth liner material 6 by stretching and shaping the fourth liner material 5, wherein the fifth liner material 6 comprises a fifth opening 61 and a fifth liner body 62, the diameter ∅ 4 of the fifth opening 61 is 47.3mm, and the diameter ∅ 5 of the fifth liner body 62 is 66.15 mm;
(g) a flat opening and flat bottom procedure, namely sleeving the fifth liner material 6 on a tensioning mold of a flat opening bottom machine, starting the flat opening bottom machine, fixing the fifth liner material 6 by the tensioning mold of the flat opening bottom machine, driving the tensioning mold of the flat opening bottom machine and the fifth liner material 6 to rotate by a main shaft of the flat opening bottom machine, wherein the rotating speed of the main shaft of the flat opening bottom machine is 1200 r/min, a cutter of the flat opening bottom machine respectively cuts the bottom of the fifth liner material 6 and the fifth opening 61 to form a sixth liner material 7, the sixth liner material 7 comprises a sixth opening part 71 and a sixth liner body 72, the length K4 of the sixth opening part 71 is 21.8mm, and the length A2 of the sixth liner material 7 is 147.7 mm;
(h) a curling process, namely taking a curling machine, wherein the curling machine comprises a curling upper die, a curling lower die, a curling upper cylinder and a curling lower cylinder, placing the sixth liner material 7 in the curling lower die, starting the curling machine, driving the curling upper die and the curling lower die to be closed respectively by the curling upper cylinder and the curling lower cylinder, setting the pressure of the curling upper cylinder to be 20MPa, setting the pressure of the curling lower cylinder to be 8MPa, forming an opening curled edge 11 by the sixth opening 71 after curling, forming a seventh liner material 8 by the sixth liner material 7 after curling, wherein the seventh liner material 8 comprises a seventh opening 81 and a seventh liner body 82, and the length K5 of the seventh opening 81 is 15.7 mm;
(i) a curling and flattening process, namely taking a bench drill, wherein the bench drill comprises a fixed die and a bench drill press wheel, the seventh liner material 8 is arranged on the fixed die and fixed, the bench drill is started to work, the rotating speed of a main shaft of the bench drill is set to 800r/min, the main shaft of the bench drill drives the bench drill press wheel to rotate, the bench drill press wheel presses the mouth part curled edge 11 downwards to form a mouth part plane 111 and a mouth part inner fillet 112, the seventh liner material 8 forms an eighth liner material 9 through curling and flattening, the eighth liner material 9 comprises an eighth mouth part 91 and an eighth liner body 92, and the length K6 of the eighth mouth part 91 is 15.0 mm;
(j) and a mouth pressing procedure, namely taking a vertical machine, wherein the vertical machine comprises a clamping die, a pressure cylinder and a vertical machine pressure wheel, the eighth liner material 9 is arranged on the clamping die to be fixed, the vertical machine is started, the rotating speed of a main shaft of the vertical machine is set to be 300 revolutions per minute, the pressure of the pressure cylinder is set to be 2.5MPa, the main shaft of the vertical machine drives the clamping die and the eighth liner material 9 to rotate, the pressure cylinder drives the vertical machine pressure wheel to press the mouth turned edge 11, so that the side surface of the mouth turned edge 11 forms a mouth cylindrical surface 113, a mouth external fillet 114 is formed between the mouth cylindrical surface 113 and the mouth plane 111, the eighth liner material 9 forms a ninth liner material 10 through a mouth, the ninth liner 10 comprises a ninth mouth part 101 and a ninth liner body 102, and the length K7 of the ninth mouth part 101 is 15.0 mm.
Preferably, in the step (h), the outer diameter D1 of the eighth mouth part 91 is 54.7 mm;
in the step (i), the fillet radius of the mouth portion inner fillet 112 is 1.5 mm;
in the step (j), the outer diameter D2 of the cylindrical surface 113 of the mouth part was 52.3mm, and the round radius of the mouth part outer corner 114 was 0.6 mm.
Preferably, in the step (a), the thickness of the long pipe is 0.5 mm.
Preferably, in the step (b), a shoulder 23 is provided between the first mouth part 21 and the first bladder body 22, and a radius of the shoulder 23 is 8 mm.
Example 2
A manufacturing process of a large and wide opening inner container of a vacuum cup comprises the following steps:
(a) a pipe cutting process, namely taking a long pipe material, sleeving the long pipe material on a main shaft of a pipe cutter, starting the pipe cutter, rotating the main shaft of the pipe cutter at the rotating speed of 350 revolutions per minute, cutting the long pipe material by a pipe cutter, and dividing the long pipe material into short pipe materials 1, wherein the length A of each short pipe material 1 is 357mm, and the diameter ∅ 1 of each short pipe material 1 is 49 mm;
(b) a water expansion process, namely putting the short pipe material 1 into a water expansion mold, starting the water expansion mold, setting the closing pressure of the water expansion mold to be 14MPa, starting pressurization and water supply of the water expansion mold after the water expansion mold is closed, setting the water supply pressure of the water expansion mold to be 12MPa, maintaining the water supply pressure for 1 second, and then releasing the pressure, wherein the short pipe material 1 is expanded with water to form a first liner material 2, the first liner material 2 comprises a first opening part 21 and a first liner body 22, the length K1 of the first opening part 21 is 37mm, and the diameter ∅ 2 of the first liner body 22 is 66.2 mm;
(c) a cup dividing procedure, namely sleeving the first liner material 2 on a main shaft of a cup dividing machine, starting the cup dividing machine, rotating the main shaft of the cup dividing machine at a rotating speed of 350 revolutions per minute, cutting the middle part of the first liner material 2 by a cutter of the cup dividing machine to form a second liner material 3, wherein the second liner material 3 comprises a second opening part 31 and a second liner body 32, and the length A1 of the second liner body 32 is 121.8 mm;
(d) a necking step, namely sleeving the second liner material 3 on a necking die head of a necking machine, starting the necking machine, fixing the second liner material 3 by the necking die head of the necking machine, driving the necking die head of the necking machine and the second liner material 3 to rotate by a main shaft of the necking machine, wherein the rotating speed of the main shaft of the necking machine is 2000 r/min, driving a cutter wheel of the necking machine to the position of the necking die head of the necking machine, and carrying out up-and-down spinning necking on the second mouth part 31 to form a third mouth part 41, wherein the second liner material 3 forms a third liner material 4 after being necked, the third liner material 4 comprises a third mouth part 41 and a third liner body 42, the length K2 of the third mouth part 41 is 29.7mm, and the diameter ∅ 3 of the third mouth part 41 is 47.4 mm;
(e) a stub bar cutting procedure, namely sleeving the third liner 4 on a die head of a stub bar cutting machine, starting the stub bar cutting machine, fixing the third liner 4 on the die head of the stub bar cutting machine, driving the die head of the stub bar cutting machine and the third liner 4 to rotate by a main shaft of the stub bar cutting machine, wherein the rotating speed of the main shaft of the stub bar cutting machine is 350 revolutions per minute, cutting the third opening 41 by a cutting knife of the stub bar cutting machine to form a fourth opening 51, forming a fourth liner 5 by the third liner 4 after the stub bar cutting, wherein the fourth liner 5 comprises the fourth opening 51 and a fourth liner body 52, and the length K3 of the fourth opening 51 is 23.7 mm;
(f) a stretching and shaping process, namely taking a stretching mold, wherein the stretching mold comprises an upper shaping mold, a lower shaping mold, an upper shaping cylinder and a lower shaping cylinder, sleeving the fourth liner material 5 on the lower shaping mold, starting the stretching mold, driving the upper shaping mold and the lower shaping mold to be closed respectively by the upper shaping cylinder and the lower shaping cylinder, setting the pressure of the upper shaping cylinder to be 20MPa and the pressure of the lower shaping cylinder to be 8MPa, forming a fifth liner material 6 after the fourth liner material 5 is stretched and shaped, wherein the fifth liner material 6 comprises a fifth opening 61 and a fifth liner body 62, the diameter ∅ 4 of the fifth opening 61 is 47.4mm, and the diameter ∅ 5 of the fifth liner body 62 is 66.2 mm;
(g) a flat opening and flat bottom process, namely sleeving the fifth liner material 6 on a tensioning mold of a flat opening bottom machine, starting the flat opening bottom machine, fixing the fifth liner material 6 by the tensioning mold of the flat opening bottom machine, driving the tensioning mold of the flat opening bottom machine and the fifth liner material 6 to rotate by a main shaft of the flat opening bottom machine, wherein the rotating speed of the main shaft of the flat opening bottom machine is 1200 r/min, cutting the bottom of the fifth liner material 6 and the fifth opening 61 by a cutter of the flat opening bottom machine respectively to form a sixth liner material 7, wherein the sixth liner material 7 comprises a sixth opening part 71 and a sixth liner body 72, the length K4 of the sixth opening part 71 is 22.0mm, and the length A2 of the sixth liner material 7 is 148.0 mm;
(h) a curling process, namely taking a curling machine, wherein the curling machine comprises a curling upper die, a curling lower die, a curling upper cylinder and a curling lower cylinder, placing the sixth liner material 7 in the curling lower die, starting the curling machine, driving the curling upper die and the curling lower die to be closed respectively by the curling upper cylinder and the curling lower cylinder, setting the pressure of the curling upper cylinder to be 20MPa, setting the pressure of the curling lower cylinder to be 8MPa, forming an opening curled edge 11 by the sixth opening 71 after curling, forming a seventh liner material 8 by the sixth liner material 7 after curling, wherein the seventh liner material 8 comprises a seventh opening 81 and a seventh liner body 82, and the length K5 of the seventh opening 81 is 15.9 mm;
(i) a curling and flattening process, namely taking a bench drill, wherein the bench drill comprises a fixed die and a bench drill press wheel, the seventh liner material 8 is arranged on the fixed die and fixed, the bench drill is started to work, the rotating speed of a main shaft of the bench drill is set to 800r/min, the main shaft of the bench drill drives the bench drill press wheel to rotate, the bench drill press wheel presses the mouth part curled edge 11 downwards to form a mouth part plane 111 and a mouth part inner fillet 112, the seventh liner material 8 forms an eighth liner material 9 through curling and flattening, the eighth liner material 9 comprises an eighth mouth part 91 and an eighth liner body 92, and the length K6 of the eighth mouth part 91 is 15.1 mm;
(j) and a mouth pressing procedure, namely taking a vertical machine, wherein the vertical machine comprises a clamping die, a pressure cylinder and a vertical machine pressure wheel, the eighth liner material 9 is arranged on the clamping die to be fixed, the vertical machine is started, the rotating speed of a main shaft of the vertical machine is set to be 350 r/min, the pressure of the pressure cylinder is set to be 2.5MPa, the main shaft of the vertical machine drives the clamping die and the eighth liner material 9 to rotate, the pressure cylinder drives the vertical machine pressure wheel to press the mouth turned edge 11, so that the side surface of the mouth turned edge 11 forms a mouth cylindrical surface 113, a mouth external fillet 114 is formed between the mouth cylindrical surface 113 and the mouth plane 111, the eighth liner material 9 forms a ninth liner material 10 through a mouth, the ninth liner 10 comprises a ninth mouth part 101 and a ninth liner body 102, and the length K7 of the ninth mouth part 101 is 15.1 mm.
Preferably, in the step (h), the outer diameter D1 of the eighth mouth part 91 is 55.0 mm;
in the step (i), the fillet radius of the mouth portion inner fillet 112 is 1.5 mm;
in the step (j), the outer diameter D2 of the cylindrical surface 113 of the mouth part is 52.35mm, and the round radius of the mouth part outer corner 114 is 0.6 mm.
Preferably, in the step (a), the thickness of the long pipe is 0.5 mm.
Preferably, in the step (b), a shoulder 23 is provided between the first mouth part 21 and the first bladder body 22, and a radius of the shoulder 23 is 8 mm.
Example 3
A manufacturing process of a large and wide opening inner container of a vacuum cup comprises the following steps:
(a) a pipe cutting process, namely taking a long pipe, sleeving the long pipe on a main shaft of a pipe cutter, starting the pipe cutter, rotating the main shaft of the pipe cutter at a rotating speed of 400 revolutions per minute, cutting the long pipe by a pipe cutter, and dividing the long pipe into short pipes 1, wherein the length A of each short pipe 1 is 358mm, and the diameter ∅ 1 of each short pipe 1 is 49 mm;
(b) a water expansion process, namely putting the short pipe material 1 into a water expansion mold, starting the water expansion mold, setting the closing pressure of the water expansion mold to be 14MPa, starting pressurization and water supply of the water expansion mold after the water expansion mold is closed, setting the water supply pressure of the water expansion mold to be 12MPa, maintaining the water supply pressure for 1 second, and then releasing the pressure, wherein the short pipe material 1 is expanded with water to form a first liner material 2, the first liner material 2 comprises a first opening part 21 and a first liner body 22, the length K1 of the first opening part 21 is 38mm, and the diameter ∅ 2 of the first liner body 22 is 66.25 mm;
(c) a cup dividing procedure, namely sleeving the first liner material 2 on a main shaft of a cup dividing machine, starting the cup dividing machine, rotating the main shaft of the cup dividing machine at a rotating speed of 400 r/min, cutting the middle part of the first liner material 2 by a cutter of the cup dividing machine to form a second liner material 3, wherein the second liner material 3 comprises a second opening part 31 and a second liner body 32, and the length A1 of the second liner body 32 is 122.1 mm;
(d) a necking step, namely sleeving the second liner material 3 on a necking die head of a necking machine, starting the necking machine, fixing the second liner material 3 by the necking die head of the necking machine, driving the necking die head of the necking machine and the second liner material 3 to rotate by a main shaft of the necking machine, wherein the rotating speed of the main shaft of the necking machine is 2000 r/min, driving a cutter wheel of the necking machine to the position of the necking die head of the necking machine, and carrying out up-and-down spinning necking on the second mouth part 31 to form a third mouth part 41, wherein the second liner material 3 forms a third liner material 4 after being necked, the third liner material 4 comprises a third mouth part 41 and a third liner body 42, the length K2 of the third mouth part 41 is 29.7mm, and the diameter ∅ 3 of the third mouth part 41 is 47.5 mm;
(e) a stub bar cutting process, namely sleeving the third liner material 4 on a die head of a stub bar cutting machine, starting the stub bar cutting machine, fixing the third liner material 4 on the die head of the stub bar cutting machine, driving the die head of the stub bar cutting machine and the third liner material 4 to rotate by a main shaft of the stub bar cutting machine, wherein the rotating speed of the main shaft of the stub bar cutting machine is 400 r/min, cutting the third opening 41 by a cutting knife of the stub bar cutting machine to form a fourth opening 51, forming a fourth liner material 5 by the third liner material 4 after the stub bar cutting, wherein the fourth liner material 5 comprises the fourth opening 51 and a fourth liner body 52, and the length K3 of the fourth opening 51 is 24 mm;
(f) a stretching and shaping process, namely taking a stretching mold, wherein the stretching mold comprises an upper shaping mold, a lower shaping mold, an upper shaping cylinder and a lower shaping cylinder, sleeving the fourth liner material 5 on the lower shaping mold, starting the stretching mold, driving the upper shaping mold and the lower shaping mold to be closed respectively by the upper shaping cylinder and the lower shaping cylinder, setting the pressure of the upper shaping cylinder to be 20MPa and the pressure of the lower shaping cylinder to be 8MPa, forming a fifth liner material 6 after the fourth liner material 5 is stretched and shaped, wherein the fifth liner material 6 comprises a fifth opening 61 and a fifth liner body 62, the diameter ∅ 4 of the fifth opening 61 is 47.5mm, and the diameter ∅ 5 of the fifth liner body 62 is 66.25 mm;
(g) a flat opening and flat bottom process, namely sleeving the fifth liner material 6 on a tensioning mold of a flat opening bottom machine, starting the flat opening bottom machine, fixing the fifth liner material 6 by the tensioning mold of the flat opening bottom machine, driving the tensioning mold of the flat opening bottom machine and the fifth liner material 6 to rotate by a main shaft of the flat opening bottom machine, wherein the rotating speed of the main shaft of the flat opening bottom machine is 1200 r/min, cutting the bottom of the fifth liner material 6 and the fifth opening 61 by a cutter of the flat opening bottom machine respectively to form a sixth liner material 7, wherein the sixth liner material 7 comprises a sixth opening part 71 and a sixth liner body 72, the length K4 of the sixth opening part 71 is 22.2mm, and the length A2 of the sixth liner material 7 is 148.3 mm;
(h) a curling process, namely taking a curling machine, wherein the curling machine comprises a curling upper die, a curling lower die, a curling upper cylinder and a curling lower cylinder, placing the sixth liner material 7 in the curling lower die, starting the curling machine, driving the curling upper die and the curling lower die to be closed respectively by the curling upper cylinder and the curling lower cylinder, setting the pressure of the curling upper cylinder to be 20MPa, setting the pressure of the curling lower cylinder to be 8MPa, forming an opening curled edge 11 by the sixth opening 71 after curling, forming a seventh liner material 8 by the sixth liner material 7 after curling, wherein the seventh liner material 8 comprises a seventh opening 81 and a seventh liner body 82, and the length K5 of the seventh opening 81 is 16.1 mm;
(i) a curling and flattening process, namely taking a bench drill, wherein the bench drill comprises a fixed die and a bench drill press wheel, the seventh liner material 8 is arranged on the fixed die and fixed, the bench drill is started to work, the rotating speed of a main shaft of the bench drill is set to 800r/min, the main shaft of the bench drill drives the bench drill press wheel to rotate, the bench drill press wheel presses the mouth part curled edge 11 downwards to form a mouth part plane 111 and a mouth part inner fillet 112, the seventh liner material 8 forms an eighth liner material 9 through curling and flattening, the eighth liner material 9 comprises an eighth mouth part 91 and an eighth liner body 92, and the length K6 of the eighth mouth part 91 is 15.2 mm;
(j) and a mouth pressing procedure, namely taking a vertical machine, wherein the vertical machine comprises a clamping die, a pressure cylinder and a vertical machine pressure wheel, the eighth liner material 9 is arranged on the clamping die to be fixed, the vertical machine is started, the rotating speed of a main shaft of the vertical machine is set to be 400 r/min, the pressure of the pressure cylinder is set to be 2.5MPa, the main shaft of the vertical machine drives the clamping die and the eighth liner material 9 to rotate, the pressure cylinder drives the vertical machine pressure wheel to press the mouth turned edge 11, so that the side surface of the mouth turned edge 11 forms a mouth cylindrical surface 113, a mouth external fillet 114 is formed between the mouth cylindrical surface 113 and the mouth plane 111, the eighth liner material 9 forms a ninth liner material 10 through a mouth, the ninth liner 10 comprises a ninth mouth 101 and a ninth liner body 102, and the length K7 of the ninth mouth 101 is 15.2 mm.
Preferably, in the step (h), the eighth port 91 has an outer diameter D1 of 55.5 mm;
in the step (i), the fillet radius of the mouth portion inner fillet 112 is 1.5 mm;
in the step (j), the outer diameter D2 of the cylindrical surface 113 of the mouth part is 52.4mm, and the round radius of the mouth part outer corner 114 is 0.6 mm.
Preferably, in the step (a), the thickness of the long pipe is 0.5 mm.
Preferably, in the step (b), a shoulder 23 is provided between the first mouth part 21 and the first bladder body 22, and a radius of the shoulder 23 is 8 mm.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.
Claims (1)
1. A manufacturing process of a large and wide opening inner container of a vacuum cup is characterized by comprising the following steps:
(a) a pipe cutting process, namely taking a long pipe material, wherein the wall thickness of the long pipe material is 0.5mm, sleeving the long pipe material on a main shaft of a pipe cutting machine, starting the pipe cutting machine, rotating the main shaft of the pipe cutting machine at the rotating speed of 300-400 rpm, cutting the long pipe material by a pipe cutting machine, dividing the long pipe material into short pipe materials (1), wherein the length A of each short pipe material (1) is 356-358 mm, and the diameter ∅ 1 of each short pipe material (1) is 49 mm;
(b) a water expansion process, namely putting the short pipe material (1) into a water expansion die, starting the water expansion die, setting the closing pressure of the water expansion die to be 14MPa, after the water expansion die is closed, starting pressurization and water supply of the water expansion die, setting the water supply pressure of the water expansion die to be 12MPa, maintaining the water supply pressure for 1 second, and then releasing the pressure, wherein the short pipe material (1) is expanded with water to form a first liner material (2), the first liner material (2) comprises a first opening part (21) and a first liner body (22), the length K1 of the first opening part (21) is 36-38 mm, the diameter ∅ 2 of the first liner body (22) is 66.15-66.25 mm, a shoulder part (23) is arranged between the first opening part (21) and the first liner body (22), and the fillet radius of the shoulder part (23) is 8 mm;
(c) the cup dividing process comprises the steps of sleeving the first liner material (2) on a main shaft of a cup dividing machine, starting the cup dividing machine, enabling the main shaft of the cup dividing machine to rotate at a rotating speed of 300-400 rpm, cutting the middle of the first liner material (2) by a cutter of the cup dividing machine to form a second liner material (3), wherein the second liner material (3) comprises a second opening part (31) and a second liner body (32), and the length A1 of the second liner body (32) is 121.5-122.1 mm;
(d) a necking step, namely sleeving the second liner material (3) on a necking die head of a necking machine, starting the necking machine, fixing the second liner material (3) by the necking die head of the necking machine, driving the necking die head of the necking machine and the second liner material (3) to rotate by a main shaft of the necking machine, wherein the rotating speed of the main shaft of the necking machine is 2000 r/min, driving a cutter wheel of the necking machine to the position of the necking die head of the necking machine, carrying out upper and lower spinning necking on the second mouth part (31) to form a third mouth part (41), forming a third liner material (4) by the second liner material (3) after necking, wherein the third liner material (4) comprises a third mouth part (41) and a third liner body (42), the length K2 of the third mouth part (41) is 29.7mm, and the diameter ∅ 3 of the third mouth part (41) is 47.3-47.5 mm;
(e) a stub bar cutting process, namely sleeving the third liner material (4) on a die head of a stub bar cutting machine, starting the stub bar cutting machine, fixing the third liner material (4) on the die head of the stub bar cutting machine, driving the die head of the stub bar cutting machine and the third liner material (4) to rotate by a main shaft of the stub bar cutting machine, wherein the rotating speed of the main shaft of the stub bar cutting machine is 300-400 r/min, cutting the third opening (41) by a cutting knife of the stub bar cutting machine to form a fourth opening (51), forming a fourth liner material (5) by the third liner material (4) after the stub bar cutting, wherein the fourth liner material (5) comprises the fourth opening (51) and a fourth liner body (52), and the length K3 of the fourth opening (51) is 23.5-24 mm;
(f) a stretching and shaping process, namely taking a stretching mold, wherein the stretching mold comprises an upper shaping mold, a lower shaping mold, an upper shaping cylinder and a lower shaping cylinder, sleeving the fourth liner material (5) on the lower shaping mold, starting the stretching mold, driving the upper shaping mold and the lower shaping mold to be closed respectively by the upper shaping cylinder and the lower shaping cylinder, setting the pressure of the upper shaping cylinder to be 20MPa, setting the pressure of the lower shaping cylinder to be 8MPa, forming a fifth liner material (6) by the fourth liner material (5) after stretching and shaping, wherein the fifth liner material (6) comprises a fifth opening (61) and a fifth liner body (62), the diameter ∅ 4 of the fifth opening (61) is 47.3-47.5 mm, and the diameter ∅ 5 of the fifth liner body (62) is 66.15-66.25 mm;
(g) a flat opening and flat bottom process, namely sleeving the fifth liner material (6) on a tensioning mold of a flat opening bottom machine, starting the flat opening bottom machine, fixing the fifth liner material (6) by the tensioning mold of the flat opening bottom machine, driving the tensioning mold of the flat opening bottom machine and the fifth liner material (6) to rotate by a main shaft of the flat opening bottom machine, wherein the main shaft of the flat opening bottom machine rotates at 1200 r/min, a cutter of the flat opening bottom machine cuts the bottom of the fifth liner material (6) and the fifth opening (61) respectively to form a sixth liner material (7), the sixth liner material (7) comprises a sixth opening (71) and a sixth liner body (72), the length K4 of the sixth opening (71) is 21.8-22.2 mm, and the length A2 of the sixth liner material (7) is 147.7-148.3 mm;
(h) a curling process, namely taking a curling machine, wherein the curling machine comprises a curling upper die, a curling lower die, a curling upper cylinder and a curling lower cylinder, placing the sixth liner material (7) in the curling lower die, starting the curling machine, driving the curling upper die and the curling lower die to be closed respectively by the curling upper cylinder and the curling lower cylinder, setting the pressure of the curling upper cylinder to be 20MPa, setting the pressure of the curling lower cylinder to be 8MPa, forming an opening curling (11) after curling the sixth opening (71) is curled, forming a seventh liner material (8) by the sixth liner material (7) through curling, wherein the seventh liner material (8) comprises a seventh opening (81) and a seventh liner body (82), and the length K5 of the seventh opening (81) is 15.7-16.1 mm;
(i) a curling flattening process, namely taking a bench drill, wherein the bench drill comprises a fixed die and a bench drill press wheel, the seventh liner material (8) is arranged on the fixed die to be fixed, the bench drill is started to work, the rotating speed of a main shaft of the bench drill is set to 800r/min, the main shaft of the bench drill drives the bench drill press wheel to rotate, the bench drill press wheel presses down the mouth part curled edge (11) to form a mouth part plane (111) and a mouth part internal fillet (112), the fillet radius of the mouth part internal fillet (112) is 1.5mm, the seventh liner material (8) forms an eighth liner material (9) through curling flattening, the eighth liner material (9) comprises an eighth mouth part (91) and an eighth liner body (92), the length K6 of the eighth mouth part (91) is 15.0-15.2 mm, and the outer diameter D1 of the eighth mouth part (91) is 54.7-55.5 mm;
(j) a mouth pressing procedure, namely taking a vertical machine, wherein the vertical machine comprises a clamping die, a pressure cylinder and a vertical machine pressure wheel, the eighth liner material (9) is arranged on the clamping die to be fixed, the vertical machine is started, the rotating speed of a main shaft of the vertical machine is set to be 300-400 r/min, the pressure of the pressure cylinder is set to be 2.5MPa, the main shaft of the vertical machine drives the clamping die and the eighth liner material (9) to rotate, the pressure cylinder drives the vertical machine pressure wheel to press the mouth turned edge (11) to enable the side surface of the mouth turned edge (11) to form a mouth cylindrical surface (113), a mouth outer circular corner (114) is formed between the mouth cylindrical surface (113) and the mouth plane (111), the outer diameter D2 of the mouth cylindrical surface (113) is 52.3-52.4 mm, the circular corner radius of the mouth outer circular corner (114) is 0.6mm, and the eighth liner material (9) forms a ninth liner material (10) through a mouth pressing procedure, the ninth liner material (10) comprises a ninth opening (101) and a ninth liner body (102), and the length K7 of the ninth opening (101) is 15.0-15.2 mm.
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| CN111266807B (en) * | 2020-03-03 | 2021-05-07 | 浙江哈尔斯真空器皿股份有限公司 | Large-shrinkage seamless forming process for stainless steel cup body |
| CN112296601A (en) * | 2020-09-16 | 2021-02-02 | 浙江金维克家庭用品科技有限公司 | Automatic change thermos cup system of processing |
| CN113478184B (en) * | 2021-07-27 | 2022-06-17 | 永康市超朗工贸有限公司 | Process for producing special-shaped double-layer metal vacuum insulation cup |
| CN113732181B (en) * | 2021-08-31 | 2022-08-30 | 浙江安胜科技股份有限公司 | Processing technology of special-shaped stainless steel cup |
| CN113714744B (en) * | 2021-09-10 | 2022-08-19 | 浙江飞剑工贸有限公司 | Manufacturing method of kettle |
| CN114589469B (en) * | 2022-04-07 | 2023-12-12 | 浙江哈尔斯真空器皿股份有限公司 | Manufacturing method of inclined cup corresponding to inclined cup opening body of vacuum thermos cup |
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| DE102005032350A1 (en) * | 2005-07-08 | 2007-01-11 | Metu Meinig Aktiengesellschaft | Method and device for integrally molding a flange at the end of a round or oval tube made of thin-walled sheet metal and produced by the process tube |
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| US6615489B2 (en) * | 2000-12-04 | 2003-09-09 | Futaba Industrial Co., Ltd. | Method of manufacturing a fuel inlet |
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Denomination of invention: A manufacturing process of large wide mouth liner of thermos cup Effective date of registration: 20220114 Granted publication date: 20211022 Pledgee: Agricultural Bank of China Limited Yongkang sub branch Pledgor: ZHEJIANG FEIJIAN INDUSTRY & TRADE Co.,Ltd. Registration number: Y2022330000093 |
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Denomination of invention: The production process of a large wide mouth inner liner for an insulation cup Effective date of registration: 20230425 Granted publication date: 20211022 Pledgee: Agricultural Bank of China Limited Yongkang sub branch Pledgor: ZHEJIANG FEIJIAN INDUSTRY & TRADE Co.,Ltd. Registration number: Y2023330000795 |