Hot forming die for forming multiple titanium alloy parts at one time

Abstract

The utility model discloses a hot forming die for forming a plurality of titanium alloy parts at one time. The hot forming die comprises a lower die holder; guide columns are arranged on the top end faces of the left end head and the right end head of the lower die base, a first male die, a second male die, a third male die, a fourth male die and a fifth male die are arranged on the top end face of the lower die base, and an upper die base arranged on the guide columns in a sleeving mode is arranged on the top of the lower die base. A first female die, a second female die, a third female die, a fourth female die and a fifth female die which are matched with the first male die, the second male die, the third male die, the fourth male die and the fifth male die respectively are arranged on the bottom end face of the upper die base. The hot forming die for forming the multiple titanium alloy parts at one time is reasonable in structural design, the multiple titanium alloy parts can be formed at one time through mutual matching of the male die and the female die, the parts are not wrinkled at the periphery of hot forming, the parts are formed uniformly, and the forming efficiency of the parts is improved.

Description

Technical Field

[0001] The utility model relates to a hot forming die for forming multiple titanium alloy parts at one time. Background Art

[0002] Titanium alloy is more and more widely used in modern aircraft. It has the advantages of high strength, good corrosion resistance and good heat resistance. Different from the forming method of sheet metal cold working of conventional materials, the forming of titanium alloy sheet metal parts needs to be carried out by hot forming under heating conditions. Under heating conditions, titanium alloy has good forming performance, and its forming temperature is generally between 550°C and 800°C. The widely used bent titanium alloy sheet metal parts are usually processed by hot forming dies, and only one part can be formed each time, with low efficiency. There is an urgent need for a hot forming die for forming multiple titanium alloy parts at one time. Summary of the Utility Model

[0003] The utility model overcomes the deficiencies of the prior art and provides a hot forming die for forming multiple titanium alloy parts at one time.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a hot forming die for forming multiple titanium alloy parts at one time, including:

[0005] A lower die base;

[0006] It is characterized in that: guide columns are arranged on the top end faces of the left and right ends of the lower die base, a first punch, a second punch, a third punch, a fourth punch and a fifth punch are arranged on the top end face of the lower die base, two positioning pins are arranged on the top end faces of the first punch, the second punch, the third punch, the fourth punch and the fifth punch, an upper die base sleeved on the guide columns is arranged on the top of the lower die base, and first die cavities, second die cavities, third die cavities, fourth die cavities and fifth die cavities which are respectively matched with the first punch, the second punch, the third punch, the fourth punch and the fifth punch are arranged on the bottom end face of the upper die base. Two pin holes which are matched with the positioning pins are arranged on the top end faces of the first die cavity, the second die cavity, the third die cavity, the fourth die cavity and the fifth die cavity.

[0007] In the above structure, temperature measuring holes are arranged on the front side walls of the lower die base and the upper die base.

[0008] In the above structure, first positioning holes are further arranged on the top end faces of the left and right ends of the lower die base.

[0009] In the above structure, second positioning holes are provided on the bottom end faces of the left and right ends of the upper die base.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: The hot forming die structure for forming multiple titanium alloy parts in one step of the present utility model is reasonably designed. By the mutual cooperation of the punch and the die, multiple titanium alloy parts can be formed in one step. No wrinkles are generated around the parts during hot forming, and the parts are evenly formed, improving the forming efficiency of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic structural diagram of a hot forming die for forming multiple titanium alloy parts in one step according to an embodiment of the present utility model;

[0012] Figure 2 is a schematic structural diagram of the lower die base of a hot forming die for forming multiple titanium alloy parts in one step according to an embodiment of the present utility model;

[0013] Figure 3 is a schematic structural diagram of the upper die base of a hot forming die for forming multiple titanium alloy parts in one step according to an embodiment of the present utility model;

[0014] Figure 4 is a reference diagram of the use state of a hot forming die for forming multiple titanium alloy parts in one step according to an embodiment of the present utility model.

[0015] In the figure:

[0016] 1. Lower die base; 2. Guide pillar; 3. First punch; 4. Second punch; 5. Third punch; 6. Fourth punch; 7. Fifth punch; 8. Positioning pin; 9. Upper die base; 10. First die; 11. Second die; 12. Third die; 13. Fourth die; 14. Fifth die; 15. Pin hole; 16. Temperature measuring hole; 17. First positioning hole; 18. Second positioning hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0018] As Figure 1 shown, a hot forming die for forming multiple titanium alloy parts in one step includes:

[0019] Lower die base 1;

[0020] It is characterized in that: guide pillars 2 are provided on the top end faces of the left and right ends of the lower die base 1, a first punch 3, a second punch 4, a third punch 5, a fourth punch 6 and a fifth punch 7 are provided on the top end face of the lower die base 1, two positioning pins 8 are provided on the top end face of the first punch 3, the top end face of the second punch 4, the top end face of the third punch 5, the top end face of the fourth punch 6 and the top end face of the fifth punch 7, an upper die base 9 sleeved on the guide pillar 2 is provided on the top of the lower die base 1, a first die cavity 10, a second die cavity 11, a third die cavity 12, a fourth die cavity 13 and a fifth die cavity 14 which are respectively matched with the first punch 3, the second punch 4, the third punch 5, the fourth punch 6 and the fifth punch 7 are provided on the bottom end face of the upper die base 9, and two pin holes 15 which are matched with the positioning pins 8 are provided on the top end face of the first die cavity 10, the top end face of the second die cavity 11, the top end face of the third die cavity 12, the top end face of the fourth die cavity 13 and the top end face of the fifth die cavity 14.

[0021] In the above structure, temperature measuring holes 16 are provided on the front side wall of the lower die base 1 and the front side wall of the upper die base 9.

[0022] In the above structure, first positioning holes 17 are further provided on the top end faces of the left and right ends of the lower die base 1, which serve as positioning references.

[0023] In the above structure, second positioning holes 18 are provided on the bottom end faces of the left and right ends of the upper die base 9, which serve as positioning references.

[0024] When the hot forming die for one-time forming multiple titanium alloy parts of the present utility model is specifically working, the lower die base is connected to the lower platform of the hot forming press machine and is fixed, and the upper die base is connected to the upper platform of the hot forming press machine and is fixed. (As Figure 4 shown, the parts have been formed) Five different blanks are placed on the corresponding punches, and the blanks are fixed by two positioning pins. The upper die base moves downward together with the upper platform of the hot forming machine, and the upper die base moves downward slowly to generate a drawing effect to form these parts.

[0025] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A hot forming die for forming multiple titanium alloy parts at one time, comprising: Lower die base (1); The invention is characterized in that: guide pillars (2) are provided on the top surfaces of the left and right ends of the lower die base (1); a first punch (3), a second punch (4), a third punch (5), a fourth punch (6) and a fifth punch (7) are provided on the top surface of the lower die base (1); two positioning pins (8) are provided on the top surface of the first punch (3), the top surface of the second punch (4), the top surface of the third punch (5), the top surface of the fourth punch (6) and the top surface of the fifth punch (7); an upper die base (9) sleeved on the guide pillars (2) is provided on the top of the lower die base (1); The bottom end surface of the seat (9) is provided with a first die (10), a second die (11), a third die (12), a fourth die (13) and a fifth die (14) which respectively cooperate with the first punch (3), the second punch (4), the third punch (5), the fourth punch (6) and the fifth punch (7), and two pin holes (15) which cooperate with the positioning pin (8) are provided on the top end surface of the first die (10), the top end surface of the second die (11), the top end surface of the third die (12), the top end surface of the fourth die (13) and the top end surface of the fifth die (14).

2. The hot forming die for forming multiple titanium alloy parts at one time according to claim 1, characterized in that: Temperature measuring holes (16) are provided on the front side wall of the lower die base (1) and the front side wall of the upper die base (9).

3. The hot forming die for forming multiple titanium alloy parts at one time according to claim 1, characterized in that: First positioning holes (17) are also provided on the top end surfaces of the left and right end heads of the lower die base (1).

4. The hot forming die for forming multiple titanium alloy parts at one time according to claim 1, characterized in that: Second positioning holes (18) are provided on the bottom end surfaces of the left and right end heads of the upper die seat (9).

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