Method for forming a pot body with special-shaped mouth

Abstract

The present invention discloses a method for forming a kettle body with a special-shaped mouth, comprising the following steps: Step S1 is used to cut and stretch a titanium disc. Step S2 performs three stretching treatments to make the kettle body closer to the shape of a finished product. Step S3 stretches again to form a special-shaped mouth, so that the kettle body is closer to the shape of a finished product. Step S4 performs water swelling and incision to obtain a finished product. During the kettle body molding process, annealing treatment is used to improve the processability and stability of the kettle body, and the stretched size design ensures production efficiency. Through the above design, the present invention realizes the process of kettle body molding by first overall stretching and then water swelling molding, so that the shape consistency of the finished kettle body is higher, the production efficiency is higher, and the scrap rate is lower.

Description

Technical Field

[0001] The invention relates to the technical field of pot bodies, and in particular to a method for forming a pot body with a special-shaped mouth. Background Art

[0002] The mouth-shaped kettle bodies currently on the market are difficult to produce using conventional manufacturing methods due to their irregular mouth shapes. The manufacturing methods for the mouth-shaped kettle bodies have low production efficiency, low appearance consistency, and high scrap rate, so improvements need to be made. Summary of the invention

[0003] The present invention aims at the defects of low production efficiency, low appearance consistency, high scrap rate and the like in the prior art, and provides a new method for forming a pot body with a special-shaped mouth.

[0004] In order to solve the above technical problems, the present invention is implemented by the following technical solutions:

[0005] A method for forming a pot body with a special-shaped mouth, comprising the following steps:

[0006] S1: taking a titanium round sheet, cutting, cutting, stretching, and then annealing the titanium round sheet at a temperature of 600° C. to 900° C. for 10 to 30 minutes to obtain a semi-finished pot body A;

[0007] S2: The semi-finished pot body A is stretched, and the outer diameter after the stretching treatment is 1.8X mm, and the height is 0.5Y mm, so as to obtain a semi-finished pot body B; the semi-finished pot body B is stretched and a flange is formed at the bottom of the semi-finished pot body B, and the outer diameter after the stretching treatment is 1.5X mm, the height is 0.5Y mm, and the flange ring width is 10mm-15mm, so as to obtain a semi-finished pot body C; the semi-finished pot body C is stretched, and the outer diameter after the stretching treatment is 1.2X mm, the height is 0.7Y mm, and the flange ring width is 16mm-20mm, so as to obtain a semi-finished pot body D; the semi-finished pot body D is annealed, and the annealing temperature is 600°C-900°C, and the annealing time is 10 minutes-30 minutes, so as to obtain a semi-finished pot body E;

[0008] S3: The semi-finished pot body E is stretched by a special-shaped stretching die to form a special-shaped mouth, the outer diameter after the stretching is (X-1) mm, the height is (Y+12) mm, and the flange ring width is 21 mm to 30 mm, so as to obtain a semi-finished pot body F, and the semi-finished pot body F is annealed at a temperature of 600° C. to 900° C. for 10 minutes to 30 minutes, so as to obtain a semi-finished pot body G;

[0009] S4: The semi-finished pot body G is subjected to water expansion molding by a special-shaped water expansion mold to obtain a semi-finished pot body H, and the semi-finished pot body H is subjected to incision processing to obtain a special-shaped pot body at the mouth, wherein the outer diameter of the special-shaped pot body at the mouth is X mm and the height is Y mm.

[0010] Step S1 is used to cut and stretch the titanium disc. Step S2 performs three stretching processes to make the kettle body closer to the finished product shape. Step S3 stretches again and forms a special-shaped mouth to make the kettle body closer to the finished product shape. Step S4 performs water swelling and cutting to obtain the finished product.

[0011] During the pot body forming process, annealing treatment is used to improve the processability and stability of the pot body, and the stretched size design ensures production efficiency.

[0012] Through the above design, the present invention realizes the process of first overall stretching and then water expansion forming of the kettle body, so that the appearance consistency of the finished kettle body is higher, the production efficiency is higher, and the scrap rate is lower.

[0013] Preferably, in the above-mentioned method for forming a special-shaped pot body with a mouth, the outer diameter X of the special-shaped pot body with a mouth is 70mm-90mm, and the height Y is 170mm-210mm.

[0014] The above design improves the applicability of the present invention and further improves the production efficiency of the present invention.

[0015] Preferably, in the above-described method for forming a special-shaped pot body with a mouth, the special-shaped stretching die comprises a stretching upper die assembly and a stretching lower die assembly, and the stretching upper die assembly is adapted to the stretching lower die assembly.

[0016] The stretching upper mold assembly is adapted to the stretching lower mold assembly and is used to stretch the kettle body, further ensuring the appearance consistency of the finished kettle body.

[0017] Preferably, in the above-described method for forming a special-shaped pot body at the mouth, the stretching upper mold assembly includes a stretching upper mold frame and a stretching upper mold core, the stretching upper mold frame is connected to the stretching upper mold core, and the stretching upper mold core is made of alloy copper.

[0018] The upper stretching die frame is used to install the upper stretching die core, which is used to resist the pot body. The upper stretching die core is made of alloy copper, which has good toughness and rigidity, ensuring the service life of the upper stretching die core and further ensuring the appearance consistency of the finished pot body.

[0019] Preferably, in the above-mentioned method for forming a special-shaped pot body with a mouth, the stretching lower mold assembly includes a stretching fixed part and a stretching sliding part, and the stretching sliding part is sleeved outside the stretching fixed part and is slidably connected to the stretching fixed part.

[0020] The stretching sliding part is sleeved outside the stretching fixing part and is slidably connected with the stretching fixing part, which is more conducive to stretching the pot body and ensures the appearance consistency of the finished pot body.

[0021] Preferably, in the above-described method for forming a special-shaped pot body at the mouth, the stretching and fixing part comprises a stretching lower die core and a stretching lower die core fixing seat, the stretching lower die core is fixed on the stretching lower die core fixing seat, and the stretching lower die core is made of chrome.

[0022] The lower stretching die core is used to abut against the kettle body, and the lower stretching die core fixing seat is used to install the lower stretching die core. The lower stretching die core is made of chrome, which has higher strength and wear resistance.

[0023] Preferably, in the above-described method for forming a special-shaped pot body at the mouth, the stretching sliding part comprises a stretching lower die core jacket insert, a stretching lower die core jacket part, and a stretching lower die frame, and the stretching lower die core jacket insert, the stretching lower die core jacket part, and the stretching lower die frame are connected in sequence, and the stretching lower die core jacket insert is made of alloy copper.

[0024] The above design further ensures the stretching effect of the pot body, thereby improving the appearance consistency of the finished pot body. The insert of the lower mold core jacket is made of alloy copper, which has good toughness and rigidity, making the service life of the lower mold core jacket insert longer and also improving the appearance consistency of the finished pot body.

[0025] Preferably, in the above-described method for forming a special-shaped pot body with a mouth, the special-shaped water expansion mold comprises a water expansion upper mold assembly and a water expansion lower mold assembly, and the water expansion upper mold assembly is adapted to the water expansion lower mold assembly.

[0026] The water expansion upper mold assembly is adapted to the water expansion lower mold assembly and is used to expand the kettle body with water, thereby further ensuring the appearance consistency of the finished kettle body.

[0027] Preferably, in the above-described method for forming a special-shaped pot body with a mouth, the water-swelling upper mold assembly includes a water-swelling upper mold foot, a water-swelling upper mold frame, and a water-swelling upper mold core, and the water-swelling upper mold foot, the water-swelling upper mold frame, and the water-swelling upper mold core are connected in sequence.

[0028] The above design improves the structural stability of the water expansion upper mold assembly, ensures the production efficiency of the kettle body, makes the kettle body more consistent in appearance, and reduces the scrap rate.

[0029] Preferably, in the above-described method for forming a special-shaped pot body with a mouth, the water-swelling lower mold assembly includes a water-swelling lower mold core, a water-swelling lower mold frame, and a water-swelling lower mold foot, and the water-swelling lower mold core, the water-swelling lower mold frame, and the water-swelling lower mold foot are connected in sequence.

[0030] The above design improves the structural stability of the water expansion lower mold assembly, ensures the production efficiency of the kettle body, makes the kettle body more consistent in appearance, and reduces the scrap rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the structure of the special-shaped pot body at the mouth of the present invention;

[0032] Figure 2 This is a schematic structural diagram of a semi-finished pot body B in the present invention;

[0033] Figure 3 This is a schematic structural diagram of a semi-finished pot body C in the present invention;

[0034] Figure 4 This is a schematic structural diagram of a semi-finished kettle body E in the present invention;

[0035] Figure 5 This is a schematic structural diagram of a semi-finished kettle body G in the present invention;

[0036] Figure 6 This is a schematic diagram of the stretching process for obtaining the semi-finished pot body B in the present invention;

[0037] Figure 7 This is a schematic diagram of the stretching process for obtaining the semi-finished pot body C in the present invention;

[0038] Figure 8 Schematic diagram of the stretching process for obtaining the semi-finished pot body E in the present invention;

[0039] Fig. 9 It is a structural schematic diagram of the special-shaped stretching die in the present invention;

[0040] Fig.10 It is a schematic structural diagram of the special-shaped water swelling mold in the present invention. DETAILED DESCRIPTION

[0041] The following is combined with Figure 1-10 The present invention is further described in detail with specific embodiments, but they are not limitations of the present invention:

[0042] Example 1

[0043] A method for forming a pot body with a special-shaped mouth, comprising the following steps:

[0044] S1: taking a titanium round sheet, cutting, cutting, stretching, and then annealing the titanium round sheet at a temperature of 600° C. to 900° C. for 10 to 30 minutes to obtain a semi-finished pot body A;

[0045] S2: The semi-finished pot body A is stretched, and the outer diameter after the stretching treatment is 1.8X mm, and the height is 0.5Ymm, to obtain a semi-finished pot body B11; the semi-finished pot body B11 is stretched and a flange is formed at the bottom of the semi-finished pot body B, and the outer diameter after the stretching treatment is 1.5X mm, the height is 0.5Ymm, and the flange ring width is 10mm-15mm, to obtain a semi-finished pot body C12; the semi-finished pot body C12 is stretched, and the outer diameter after the stretching treatment is 1.2X mm, the height is 0.7Y mm, and the flange ring width is 16mm-20mm, to obtain a semi-finished pot body D; the semi-finished pot body D is annealed, the annealing temperature is 600℃-900℃, and the annealing time is 10 minutes-30 minutes, to obtain a semi-finished pot body E13;

[0046] S3: The semi-finished pot body E13 is stretched by a special-shaped stretching die to form a special-shaped mouth, the outer diameter after the stretching is (X-1) mm, the height is (Y+12) mm, and the flange ring width is 21 mm to 30 mm, so as to obtain a semi-finished pot body F, and the semi-finished pot body F is annealed at a temperature of 600° C. to 900° C. for 10 minutes to 30 minutes, so as to obtain a semi-finished pot body G14;

[0047] S4: The semi-finished pot body G14 is subjected to water expansion molding by a special-shaped water expansion mold to obtain a semi-finished pot body H, and the semi-finished pot body H is cut to obtain a mouth-shaped pot body 1, wherein the outer diameter of the mouth-shaped pot body 1 is X mm and the height is Y mm.

[0048] Preferably, the outer diameter X of the special-shaped pot body at the mouth is 70 mm to 90 mm, and the height Y is 170 mm to 210 mm.

[0049] Preferably, the special-shaped stretching die comprises a stretching upper die assembly 2 and a stretching lower die assembly 3, and the stretching upper die assembly 2 is adapted to the stretching lower die assembly 3.

[0050] Preferably, the stretching upper die assembly 2 comprises a stretching upper die frame 21 and a stretching upper die core 22 , wherein the stretching upper die frame 21 is connected to the stretching upper die core 22 , and the stretching upper die core 22 is made of alloy copper.

[0051] Preferably, the stretching lower die assembly 3 includes a stretching fixed portion 31 and a stretching sliding portion 32 , and the stretching sliding portion 32 is sleeved outside the stretching fixed portion 31 and is slidably connected to the stretching fixed portion 31 .

[0052] Preferably, the stretching fixing portion 31 includes a stretching lower die core 311 and a stretching lower die core fixing seat 312 , the stretching lower die core 311 is fixed on the stretching lower die core fixing seat 312 , and the stretching lower die core 311 is made of chrome.

[0053] Preferably, the stretching sliding part 32 includes a stretching lower die jacket insert 321, a stretching lower die jacket part 322, and a stretching lower die frame 323. The stretching lower die jacket insert 321, the stretching lower die jacket part 322, and the stretching lower die frame 323 are connected in sequence, and the stretching lower die jacket insert 321 is made of alloy copper.

[0054] Preferably, the special-shaped water swelling mold comprises a water swelling upper mold assembly 4 and a water swelling lower mold assembly 5 , and the water swelling upper mold assembly 4 is adapted to the water swelling lower mold assembly 5 .

[0055] Preferably, the water expansion upper mold assembly 4 includes a water expansion upper mold foot 41, a water expansion upper mold frame 42, and a water expansion upper mold core 43, and the water expansion upper mold foot 41, the water expansion upper mold frame 42, and the water expansion upper mold core 43 are connected in sequence.

[0056] Preferably, the water-swelling lower mold assembly 5 comprises a water-swelling lower mold core 51, a water-swelling lower mold frame 52, and a water-swelling lower mold foot 53, and the water-swelling lower mold core 51, the water-swelling lower mold frame 52, and the water-swelling lower mold foot 53 are connected in sequence.

[0057] In conclusion, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A method for forming a pot body with a special-shaped mouth, characterized in that: The following steps are involved: S1: taking a titanium round sheet, cutting, cutting, stretching, and then annealing the titanium round sheet at a temperature of 600° C. to 900° C. for 10 to 30 minutes to obtain a semi-finished pot body A; S2: The semi-finished pot body A is stretched, and the outer diameter after the stretching treatment is 1.8X mm, and the height is 0.5Y mm, so as to obtain a semi-finished pot body B (11); the semi-finished pot body B (11) is stretched and a flange is formed at the bottom of the semi-finished pot body B, and the outer diameter after the stretching treatment is 1.5X mm, the height is 0.5Y mm, and the flange ring width is 10mm-15mm, so as to obtain a semi-finished pot body C (12); the semi-finished pot body C (12) is stretched, and the outer diameter after the stretching treatment is 1.2X mm, the height is 0.7Ymm, and the flange ring width is 16mm-20mm, so as to obtain a semi-finished pot body D; the semi-finished pot body D is annealed, the annealing temperature is 600°C-900°C, and the annealing time is 10 minutes-30 minutes, so as to obtain a semi-finished pot body E (13); S3: The semi-finished pot body E (13) is stretched by a special-shaped stretching die to form a special-shaped mouth, the outer diameter after the stretching is (X-1) mm, the height is (Y+12) mm, and the flange ring width is 21 mm to 30 mm, so as to obtain a semi-finished pot body F, and the semi-finished pot body F is annealed at a temperature of 600° C. to 900° C. for 10 minutes to 30 minutes, so as to obtain a semi-finished pot body G (14); S4: The semi-finished pot body G (14) is subjected to water expansion molding by a special-shaped water expansion mold to obtain a semi-finished pot body H, and the semi-finished pot body H is cut to obtain a mouth-shaped pot body (1), wherein the outer diameter of the mouth-shaped pot body (1) is X mm and the height is Y mm.

2. The method for forming a pot body with a special-shaped mouth according to claim 1, characterized in that: The outer diameter X of the mouth-shaped kettle body (1) is 70 mm to 90 mm, and the height Y is 170 mm to 210 mm.

3. The method for forming a pot body with a special-shaped mouth according to claim 1, characterized in that: The special-shaped stretching die comprises a stretching upper die assembly (2) and a stretching lower die assembly (3), and the stretching upper die assembly (2) is adapted to the stretching lower die assembly (3).

4. The method for forming a pot body with a special-shaped mouth according to claim 3, characterized in that: The stretching upper die assembly (2) comprises a stretching upper die frame (21) and a stretching upper die core (22); the stretching upper die frame (21) is connected to the stretching upper die core (22); and the stretching upper die core (22) is made of alloy copper.

5. The method for forming a pot body with a special-shaped mouth according to claim 3, characterized in that: The stretching lower die assembly (3) comprises a stretching fixed portion (31) and a stretching sliding portion (32), wherein the stretching sliding portion (32) is sleeved outside the stretching fixed portion (31) and is slidably connected to the stretching fixed portion (31).

6. The method for forming a pot body with a special-shaped mouth according to claim 5, characterized in that: The stretching fixing part (31) comprises a stretching lower die core (311) and a stretching lower die core fixing seat (312); the stretching lower die core (311) is fixed on the stretching lower die core fixing seat (312); and the stretching lower die core (311) is made of chrome.

7. The method for forming a pot body with a special-shaped mouth according to claim 5, characterized in that: The stretching sliding part (32) comprises a stretching lower die core jacket insert (321), a stretching lower die core jacket part (322), and a stretching lower die frame (323); the stretching lower die core jacket insert (321), the stretching lower die core jacket part (322), and the stretching lower die frame (323) are connected in sequence; and the stretching lower die core jacket insert (321) is made of alloy copper.

8. The method for forming a pot body with a special-shaped mouth according to claim 1, characterized in that: The special-shaped water swelling mold comprises a water swelling upper mold component (4) and a water swelling lower mold component (5), and the water swelling upper mold component (4) is adapted to the water swelling lower mold component (5).

9. The method for forming a pot body with a special-shaped mouth according to claim 8, characterized in that: The water swelling upper mold assembly (4) comprises a water swelling upper mold foot (41), a water swelling upper mold frame (42), and a water swelling upper mold core (43); the water swelling upper mold foot (41), the water swelling upper mold frame (42), and the water swelling upper mold core (43) are connected in sequence.

10. The method for forming a pot body with a special-shaped mouth according to claim 8, characterized in that: The water-swelling lower mold assembly (5) comprises a water-swelling lower mold core (51), a water-swelling lower mold frame (52), and a water-swelling lower mold foot (53); the water-swelling lower mold core (51), the water-swelling lower mold frame (52), and the water-swelling lower mold foot (53) are connected in sequence.

Images