CN116765258A - Manufacturing method of composite coffee pot body - Google Patents
Manufacturing method of composite coffee pot body Download PDFInfo
- Publication number
- CN116765258A CN116765258A CN202310806234.4A CN202310806234A CN116765258A CN 116765258 A CN116765258 A CN 116765258A CN 202310806234 A CN202310806234 A CN 202310806234A CN 116765258 A CN116765258 A CN 116765258A
- Authority
- CN
- China
- Prior art keywords
- composite
- coffee pot
- pot body
- body blank
- composite coffee
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 146
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 160
- 238000009987 spinning Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000001192 hot extrusion Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
-
- 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
- B21D22/14—Spinning
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cookers (AREA)
Abstract
A method of manufacturing a composite coffee pot comprising: step 1): taking a fixed-length first material pipe and necking the head of the first material pipe; step 2): taking a fixed-length second material pipe material, and necking the head of the second material pipe material; step 3): sleeving the second material pipe on the first material pipe; step 4): spinning the second material pipe sleeved outside the first material pipe to form a composite pipe; step 5): performing hot extrusion molding on the composite pipe fitting to obtain a composite coffee pot body blank; step 6): the lower end part of the composite coffee pot body blank is screwed inwards to form an annular bottom wall and a bottom opening; step 7): riveting and girth welding a composite bottom formed by compositing the first material layer and the second material layer with the bottom of the composite coffee pot body blank to obtain the composite coffee pot body blank; step 8): and (5) carrying out post-treatment on the composite coffee pot body blank. The method can realize the advantages of low manufacturing cost, high yield, good quality, high color value, diversified shapes and the like of the coffee pot body.
Description
Technical Field
The invention relates to the field of manufacturing of daily hardware metal products, in particular to a manufacturing method of a composite coffee pot body.
Background
The household coffee pot is a cooker with an independent heating system, is mainly used for preparing coffee granules under steam pressure, and is an indispensable daily product in daily life of people.
At present, the coffee pot body is mainly manufactured by adopting methods of aluminum die casting, aluminum alloy or stainless steel plate stretching and the like. The various methods have the advantages and the disadvantages that: the coffee pot body die-casting mould of the aluminum die-casting molding is large in investment and high in rejection rate, and has the advantages that the pot body can be made into an octahedron or polyhedral pot body, and the pot body is strong in stereoscopic impression and Yan Zhigao; although the investment of equipment is less, the metal compactness of the casting part is poor, the surface pores are more, the surface is rough, and the color value of the product is low; the shape of the coffee pot body formed by stretching aluminum alloy or stainless steel is single, and the coffee pot body is generally conical or round table-shaped, so that the product grade is low, the coffee pot body is limited by the characteristics of a large bottom and a small mouth, and the octahedron or polyhedron is difficult to make, so that the product grade is low, and the aesthetic requirements of people on good life are difficult to meet.
Disclosure of Invention
In order to solve the problems of the high-cost die casting mold, the high-rejection rate production mode, the poor-quality casting mode, the single-shape stretch forming mode and the like, the invention provides a manufacturing method of a composite coffee pot body.
The technical scheme adopted by the invention is as follows:
a manufacturing method of a composite coffee pot body comprises the following process steps:
step 1): taking a fixed-length first material pipe and necking the head of the first material pipe;
step 2): taking a fixed-length second material pipe material, and necking the head of the second material pipe material;
step 3): sleeving the second material pipe material subjected to the necking through the head on the first material pipe material subjected to the necking through the head, and ensuring that the shoulder parts of the second material pipe material and the first material pipe material are attached and the necking parts of the second material pipe material and the first material pipe material are positioned at corresponding positions;
step 4): spinning the second material pipe sleeved outside the first material pipe by adopting a spinning necking machine, so that a gap between the second material pipe and the first material pipe is eliminated, and the inner peripheral surface of the second material pipe is tightly adhered to the outer peripheral surface of the first material pipe, thereby forming a composite pipe fitting with a head necking and an inner layer made of the first material and an outer layer made of the second material;
step 5): putting the composite pipe fitting prepared in the step 4) into a heating furnace for heating to a required temperature, taking out and putting the composite pipe fitting into an extrusion die in a manner that the end of the shrinkage is downward, and extruding the composite pipe fitting under the pressure of an extruder to form a composite coffee pot body blank with a small head and a large bottom, the inner layer of the composite coffee pot body blank is made of a first material, and the outer layer of the composite coffee pot body blank is made of a second material;
step 6): spinning the lower end part of the composite coffee pot body blank prepared in the step 5) inwards by adopting a spinning necking machine, so that an annular bottom wall and a bottom opening defined by the inner periphery of the annular bottom wall are formed at the bottom of the composite coffee pot body blank;
step 7): a composite bottom formed by compositing a first material layer and a second material layer positioned outside the first material layer is connected with the annular bottom wall of the composite coffee pot body blank manufactured in the step 6) to seal the bottom opening, so that the composite coffee pot body blank is manufactured;
step 8): and 7) carrying out post-treatment on the composite coffee pot body blank obtained in the step 7) to obtain a finished product of the composite coffee pot body.
Further, in step 7): when the composite bottom is connected with the annular bottom wall of the composite coffee pot body blank, the first material layer is connected with the first material part in the annular bottom wall, and the second material layer is connected with the second material part in the annular bottom wall.
Further, in step 7), the connection of the composite bottom to the annular bottom wall of the composite coffee pot body blank includes: A. spinning the lower end surface of the inner side of the annular bottom wall of the composite coffee pot body blank by adopting a spinning necking machine, so that the spun part is upwards recessed to form a first annular groove part; B. processing a second annular groove part on the upper end surface of the inner side of the annular bottom wall of the composite coffee pot body blank; C. turning the first material layer of the composite bottom to a diameter slightly smaller than the bottom opening diameter of the composite coffee pot body blank along the circumferential direction; D. the method comprises the steps of pressing a composite bottom into the bottom of a composite coffee pot body blank, enabling the upper end portion of a first material layer of the composite bottom to penetrate through a bottom opening and a second material layer to be embedded into a first annular groove, then extruding the upper end portion of the first material layer of the composite bottom by adopting extrusion equipment to extend into an extrusion die from the upper opening of the composite coffee pot body blank, enabling the upper end portion of the first material layer to deform and rivet with the second annular groove, and simultaneously enabling the second material layer of the composite bottom to be welded with the first annular groove in a circular seam mode.
Further, the diameter of the second annular groove part is smaller than the diameter of the upper opening of the composite coffee pot body blank.
Further, the first material is any one of aluminum, aluminum alloy, magnesium and magnesium alloy materials, and the second material is any one of magnetic conductive stainless steel, copper alloy, titanium and titanium alloy materials.
Further, the length of the head necking part of the second material pipe is shorter than that of the first material pipe.
Further, in step 4), the method further comprises spinning a neck portion at the head necking portion of the composite pipe.
Further, in step 5), the desired temperature is 400 to 550 ℃.
Further, in step 6), the bottom opening diameter of the composite coffee pot body blank is smaller than the upper opening diameter.
Further, in step 8), the post-processing includes: A. turning external threads and an inner opening positioning step on the upper opening part of the composite coffee pot body blank; B. sand polishing treatment is carried out on the surface of the composite coffee pot body blank.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the manufacturing method of the composite coffee pot body can overcome the defects and limitations of the traditional manufacturing method, such as high cost, high rejection rate of a die-cast coffee pot body die, more air holes on the surface of the cast coffee pot body, poor quality, single shape of the stretched coffee pot body and the like, thereby improving the quality and consistency of the coffee pot body, reducing the manufacturing cost and improving the production efficiency.
And secondly, the coffee pot body manufactured by the method has the advantages of high strength, corrosion resistance, good heat conduction performance and the like, and the outer surface mirror is attractive in appearance, difficult to deform, easy to clean and long in service life.
Drawings
FIG. 1 is a schematic structural diagram of step 1) in the present invention.
FIG. 2 is a schematic structural diagram of step 2) in the present invention.
FIG. 3 is a schematic structural diagram of step 3) in the present invention.
Fig. 4 is an enlarged partial schematic view of fig. 3 a.
FIG. 5 is a schematic structural diagram of the composite pipe obtained in step 4) of the present invention.
Fig. 6 is a schematic structural view of the composite coffee pot body blank obtained in step 5) in the present invention.
Fig. 7 is a schematic structural view of the composite coffee pot body blank obtained in step 6) in the present invention.
Fig. 8 is a schematic view of a composite coffee pot body blank spun with a first annular groove portion and a second annular groove portion.
Fig. 9 is a partially enlarged schematic view of B in fig. 8.
Fig. 10 is a schematic exploded view of the connection of the composite bottom of the present invention to the composite coffee maker body blank of fig. 8.
Fig. 11 is a schematic exploded view of the connection of the composite bottom of the present invention to the composite coffee maker body blank of fig. 8.
Fig. 12 is an enlarged partial schematic view of C in fig. 11.
Fig. 13 is a schematic exploded view of the connection of the composite bottom of the present invention to the composite coffee maker body blank of fig. 8.
Fig. 14 is an enlarged partial schematic view of D in fig. 13.
Fig. 15 is a schematic structural view of the finished product of the composite coffee pot of the present invention.
Detailed Description
The invention is described in further detail below with reference to examples given in the accompanying drawings.
As shown in fig. 1 to 15, the method for manufacturing the composite coffee pot provided by the invention comprises the following process steps:
step 1): taking a fixed-length first material pipe, and necking the head of the first material pipe by a spinning necking machine;
step 2): taking a fixed-length second material pipe, and necking the head of the second material pipe by a spinning necking machine;
step 3): sleeving the second material pipe material 2 subjected to head necking on the first material pipe material 1 subjected to head necking, and ensuring that the shoulders 21 and 11 of the second material pipe material and the necking parts 22 and 12 of the second material pipe material are attached and the necking parts are positioned at corresponding positions;
step 4): spinning the second material pipe material 2 sleeved outside the first material pipe material 1 by adopting a spinning necking machine, so that a gap between the second material pipe material 2 and the first material pipe material 1 is eliminated, and the inner peripheral surface of the second material pipe material 2 is stuck to the outer peripheral surface of the first material pipe material 1, thereby forming a composite pipe fitting 3 with a head necking, an inner layer 31 made of a first material and an outer layer 32 made of a second material;
step 5): the composite pipe fitting 3 manufactured in the step 4) is placed into a heating furnace to be heated to a required temperature, then is taken out and placed into an extrusion die in a manner that the end of the pipe fitting is turned down, then the composite pipe fitting 3 is extruded into a composite coffee pot body blank 4 with a small head, a large bottom and an inner layer 41 made of a first material and an outer layer 42 made of a second material under the pressure of an extruder, and in the extrusion molding process, the inner layer 41 and the outer layer 42 of the molded composite coffee pot body blank 4 are metallurgically bonded together due to the combined action of the temperature and the pressure, so that the connection strength of the inner layer and the outer layer is improved, and meanwhile, the shape of the molded composite coffee pot body blank 4 is determined by the shape of the extrusion die, so that if the composite coffee pot body blanks with different shapes are obtained, only the extrusion die with corresponding shapes needs to be replaced, for example, when the extrusion die is a regular polygon, the molded composite coffee pot body blank is also a regular polygon;
step 6): spinning the lower end part of the composite coffee pot body blank 4 prepared in the step 5) inwards by adopting a spinning necking machine, so that an annular bottom wall 43 and a bottom opening 44 defined by the inner periphery of the annular bottom wall 43 are formed at the bottom of the composite coffee pot body blank 4;
step 7): taking a composite bottom 5 formed by compositing a first material layer 51 and a second material layer 52 positioned outside the first material layer 51, and connecting the composite bottom 5 with the annular bottom wall 43 of the composite coffee pot body blank 4 prepared in the step 6) to seal the bottom opening 44, thereby preparing the composite coffee pot body blank 6;
step 8): and 7) carrying out post-treatment on the composite coffee pot body blank 6 prepared in the step 7) to obtain a composite coffee pot body finished product 7.
As described above, in step 6), since the annular bottom wall 43 is formed by spinning the entire lower end portion of the composite coffee maker body blank 4 inward, the annular bottom wall 43 is also a composite structure composed of the inner layer 431 and the outer layer 432, and the inner layer 431 is made of the first material and the outer layer 432 is made of the second material.
In a preferred embodiment of the invention, in step 7): when the composite bottom 5 is connected to the annular bottom wall 43 of the composite coffee pot body blank 4, the first material layer 51 is connected to the first material portion (i.e., the inner layer 431) in the annular bottom wall 43, and the second material layer 52 is connected to the second material portion (i.e., the outer layer 432) in the annular bottom wall 43, so that the same material is correspondingly connected, and the connection firmness and convenience can be improved.
In a preferred embodiment of the invention, in step 7), the connection of the compound bottom 5 to the annular bottom wall 43 of the compound coffee pot body blank 4 comprises: A. spinning the inner lower end surface of the annular bottom wall 43 of the composite coffee pot body blank 4 by adopting a spinning necking machine, so that the spun part is upwards recessed to form a first annular groove part 433, namely, the first annular groove part 433 is formed on a second material part (namely, an outer layer 432) of the annular bottom wall 43; B. a second annular groove portion 434 is formed on the inner upper end surface of the annular bottom wall of the compound coffee pot body blank 4, that is, the second annular groove portion 434 is formed on the first material portion (i.e., the inner layer 431) of the annular bottom wall 43; C. turning the first material layer 51 of the composite bottom 5 to a diameter slightly smaller than the diameter of the bottom opening 44 of the composite coffee pot body blank 4 along the circumferential direction; D. the composite bottom 5 is pressed into the bottom of the composite coffee pot body blank 4, the upper end portion of the first material layer 51 of the composite bottom 5 passes through the bottom opening 44, the second material layer 52 is embedded into the first annular groove 433, then the upper end portion of the first material layer 51 of the composite bottom 5 is extruded by an extrusion device extending into an extrusion die from the upper opening 40 of the composite coffee pot body blank 4, the upper end portion of the first material layer 51 is deformed and riveted with the second annular groove 434, specifically, when the upper end portion of the first material layer 51 is subjected to extrusion force, the peripheral side of the upper end portion of the first material layer 51 is outwards protruded into the second annular groove 434 to be riveted with the second annular groove 433, and meanwhile, the second material layer 52 of the composite bottom 5 is welded with the first annular groove 433 in a circular seam. The connection mode can improve the connection firmness and the air tightness between the composite bottom 5 and the annular bottom wall 43 of the composite coffee pot body blank 4, so that in the use process of the coffee pot, steam in the pot body can be prevented from overflowing from the connection part between the composite bottom 5 and the annular bottom wall 43 on one hand, and the phenomenon that the connection part is fallen off due to the fact that the steam pressure in the pot body acts on the connection part between the composite bottom 5 and the annular bottom wall 43 for a long time can be avoided on the other hand.
In a preferred embodiment of the present invention, the diameter of the second annular recess portion 434 is smaller than the diameter of the upper opening 40 of the composite coffee maker body blank 4, so that the diameter of the extrusion die extending from the upper opening 40 of the composite coffee maker body blank 4 may be smaller than the diameter of the upper opening, thereby facilitating the insertion and withdrawal of the extrusion die.
In a preferred embodiment of the invention, the first material is an aluminum alloy material, the second material is a magnetic conduction stainless steel material, that is, the inner layer of the manufactured and molded composite coffee pot body is an aluminum alloy material, and the outer layer of the manufactured and molded composite coffee pot body is a magnetic conduction stainless steel material, so that the coffee pot is suitable for being used on an induction cooker, and the pot body has good heat conduction performance.
In another alternative embodiment of the present invention, the first material may be any one of aluminum, magnesium, and magnesium alloy materials, and the second material may be any one of copper, copper alloy, titanium, and titanium alloy materials.
In a preferred embodiment of the present invention, the length of the head necking portion 22 of the second material tube 2 is shorter than the length of the head necking portion 12 of the first material tube 1, so that the upper section of the mouth of the manufactured and molded composite coffee pot body is of a single material layer structure, namely, of the first material layer structure, so that external threads can be conveniently machined on the part.
In a preferred embodiment of the invention, step 4) further comprises spinning a neck 34 into the head reduced portion 33 of the composite tube 3.
In a preferred embodiment of the invention, in step 5), the desired temperature is 400 to 550 ℃.
In a preferred embodiment of the invention, in step 6), the diameter of the bottom mouth 44 of the composite coffee maker body blank 4 is smaller than the diameter of the upper mouth 40, so that, on the one hand, it is ensured that the diameter of the extrusion die extending from the upper mouth 40 of the composite coffee maker body blank 4 is smaller than the diameter of the upper mouth, and, on the other hand, that the annular bottom wall 43 has a sufficient radial width.
In a preferred embodiment of the present invention, in step 8), the post-processing includes: A. an external thread 71 and an internal opening positioning step 72 are arranged on the upper opening part of the composite coffee pot body blank 6; B. sand polishing treatment is carried out on the surface of the composite coffee pot body blank 6.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, i.e., the invention is not limited to the specific embodiments described herein, but is to be accorded the full scope of the claims.
Claims (10)
1. The manufacturing method of the composite coffee pot body is characterized by comprising the following process steps:
step 1): taking a fixed-length first material pipe and necking the head of the first material pipe;
step 2): taking a fixed-length second material pipe material, and necking the head of the second material pipe material;
step 3): sleeving the second material pipe material subjected to the necking through the head on the first material pipe material subjected to the necking through the head, and ensuring that the shoulder parts of the second material pipe material and the first material pipe material are attached and the necking parts of the second material pipe material and the first material pipe material are positioned at corresponding positions;
step 4): spinning the second material pipe sleeved outside the first material pipe by adopting a spinning necking machine, so that a gap between the second material pipe and the first material pipe is eliminated, and the inner peripheral surface of the second material pipe is tightly adhered to the outer peripheral surface of the first material pipe, thereby forming a composite pipe fitting with a head necking and an inner layer made of the first material and an outer layer made of the second material;
step 5): putting the composite pipe fitting prepared in the step 4) into a heating furnace for heating to a required temperature, taking out and putting the composite pipe fitting into an extrusion die in a manner that the end of the shrinkage is downward, and extruding the composite pipe fitting under the pressure of an extruder to form a composite coffee pot body blank with a small head and a large bottom, the inner layer of the composite coffee pot body blank is made of a first material, and the outer layer of the composite coffee pot body blank is made of a second material;
step 6): spinning the lower end part of the composite coffee pot body blank prepared in the step 5) inwards by adopting a spinning necking machine, so that an annular bottom wall and a bottom opening defined by the inner periphery of the annular bottom wall are formed at the bottom of the composite coffee pot body blank;
step 7): a composite bottom formed by compositing a first material layer and a second material layer positioned outside the first material layer is connected with the annular bottom wall of the composite coffee pot body blank manufactured in the step 6) to seal the bottom opening, so that the composite coffee pot body blank is manufactured;
step 8): and 7) carrying out post-treatment on the composite coffee pot body blank obtained in the step 7) to obtain a finished product of the composite coffee pot body.
2. The method of manufacturing a composite coffee pot according to claim 1, wherein in step 7): when the composite bottom is connected with the annular bottom wall of the composite coffee pot body blank, the first material layer is connected with the first material part in the annular bottom wall, and the second material layer is connected with the second material part in the annular bottom wall.
3. A method of manufacturing a composite coffee pot according to claim 1 or 2, wherein in step 7) the connection of the composite bottom to the annular bottom wall of the composite coffee pot body blank comprises: A. spinning the lower end surface of the inner side of the annular bottom wall of the composite coffee pot body blank by adopting a spinning necking machine, so that the spun part is upwards recessed to form a first annular groove part; B. processing a second annular groove part on the upper end surface of the inner side of the annular bottom wall of the composite coffee pot body blank; C. turning the first material layer of the composite bottom to a diameter slightly smaller than the bottom opening diameter of the composite coffee pot body blank along the circumferential direction; D. the method comprises the steps of pressing a composite bottom into the bottom of a composite coffee pot body blank, enabling the upper end portion of a first material layer of the composite bottom to penetrate through a bottom opening and a second material layer to be embedded into a first annular groove, then extruding the upper end portion of the first material layer of the composite bottom by adopting extrusion equipment to extend into an extrusion die from the upper opening of the composite coffee pot body blank, enabling the upper end portion of the first material layer to deform and rivet with the second annular groove, and simultaneously enabling the second material layer of the composite bottom to be welded with the first annular groove in a circular seam mode.
4. A method of manufacturing a composite coffee pot according to claim 3, wherein: the diameter of the second annular groove part is smaller than the diameter of the upper opening of the composite coffee pot body blank.
5. The method of manufacturing a composite coffee pot according to claim 1, wherein: the first material is any one of aluminum, aluminum alloy, magnesium and magnesium alloy materials, and the second material is any one of magnetic conductive stainless steel, copper alloy, titanium and titanium alloy materials.
6. The method of manufacturing a composite coffee pot according to claim 1, wherein: the length of the head necking part of the second material pipe is shorter than that of the head necking part of the first material pipe.
7. A method of manufacturing a composite coffee pot according to claim 1 or 6, wherein: in step 4), the method further comprises spinning a neck portion at the head necking portion of the composite pipe fitting.
8. The method of manufacturing a composite coffee pot according to claim 1, wherein: in step 5), the desired temperature is 400 to 550 ℃.
9. The method of manufacturing a composite coffee pot according to claim 1, wherein: in the step 6), the diameter of the bottom opening of the composite coffee pot body blank is smaller than the diameter of the upper opening.
10. The method of manufacturing a composite coffee pot according to claim 1, wherein: in step 8), the post-processing includes: A. turning external threads and an inner opening positioning step on the upper opening part of the composite coffee pot body blank; B. sand polishing treatment is carried out on the surface of the composite coffee pot body blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310806234.4A CN116765258A (en) | 2023-07-03 | 2023-07-03 | Manufacturing method of composite coffee pot body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310806234.4A CN116765258A (en) | 2023-07-03 | 2023-07-03 | Manufacturing method of composite coffee pot body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116765258A true CN116765258A (en) | 2023-09-19 |
Family
ID=88011392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310806234.4A Pending CN116765258A (en) | 2023-07-03 | 2023-07-03 | Manufacturing method of composite coffee pot body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116765258A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117583486A (en) * | 2024-01-19 | 2024-02-23 | 江苏国强兴晟能源科技股份有限公司 | Self-adaptive anti-offset necking machine for octal pipe necking |
-
2023
- 2023-07-03 CN CN202310806234.4A patent/CN116765258A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117583486A (en) * | 2024-01-19 | 2024-02-23 | 江苏国强兴晟能源科技股份有限公司 | Self-adaptive anti-offset necking machine for octal pipe necking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100488660C (en) | Method for forming shoulder profile in aluminum alloy tank | |
| CN103419355B (en) | One step extrusion-blown modling becomes kettle technique, die for special purpose pressure extrusion molding blow molding die and product | |
| CN116765258A (en) | Manufacturing method of composite coffee pot body | |
| CN102371287B (en) | Extrusion die and method for extrusion molding inside and outside reduction blank by same | |
| CN105033140B (en) | A kind of hot upsetting squeeze composite forming die of aluminum alloy isothermal and method | |
| CN105921639A (en) | Manufacturing method for IH (Induction Heating) rice cooker liner and liner manufactured by method | |
| CN106984943A (en) | A kind of method of Compound Extrusion magnesium alloy hub | |
| CN110328316A (en) | A kind of square plate casing forming mold and forming method | |
| CN201510154U (en) | Composite boiler bottom of aluminum boiler | |
| KR101874589B1 (en) | The kettle and Manufacturing method aluminum kettle | |
| CN105033142A (en) | Pressing die and pressing process for welding neck flange | |
| CN213947249U (en) | Novel injection molding and ejection combined structure | |
| CN109366097B (en) | Process for preparing upper cover of liquefied petroleum gas cylinder and product thereof | |
| CN106419497A (en) | Stainless steel artistic pot with double bottom and interlayer and its making process | |
| CN220293460U (en) | Composite coffee pot body | |
| CN108160854A (en) | The moulding process of a kind of metal container structures and its flow-guiding mouth and apply its kettle | |
| CN112643291A (en) | Preparation method of integrated die-casting composite cooker | |
| CN116603942A (en) | Method for extrusion molding of coffee pot body | |
| CN100345509C (en) | Aluminum cooker and its manufacture | |
| CN218425376U (en) | Forging die of crusher forging head | |
| CN221018500U (en) | Cold forging forming die for output shaft | |
| CN109201928B (en) | Method for manufacturing cross ring of scroll compressor | |
| CN220904082U (en) | Stretching head device for thermoforming of long beverage cup | |
| CN109228427A (en) | A kind of continuously shaped equipment of seamless aluminium tubing and its production method of interior tyre coating | |
| CN210462433U (en) | Metal injection molding straight back seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |