Stamping die for stainless steel sheet metal part of airplane

Abstract

The utility model discloses a stamping die for a stainless steel sheet metal part of an airplane. The die is characterized in that a plurality of limiting protrusions which are evenly distributed in the circumferential direction are arranged on the inner wall of the lower round die, a material pressing plate is arranged at the top end of the lower round die, a plurality of cylindrical pins are connected between the material pressing plate and the lower round die, an upper round die is arranged at the top of the material pressing plate za, and the lower round die is connected with the cylindrical pins. A plurality of stamping blocks matched with the limiting protrusions are arranged at the bottom of the circular upper die, and a plurality of guide columns are connected between the circular upper die and the circular lower die. The stamping die for the stainless steel sheet metal part of the airplane is reasonable in structural design, all bent feet can be formed at a time through mutual matching of the circular upper die, the material pressing plate and the circular lower die, the part can be formed at a time, cost is greatly reduced, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a stamping die for aircraft stainless steel sheet metal parts. Background Art

[0002] At present, circular ring parts with multiple bending legs are often used in aircraft structures. Such parts are large in size, thick in wall thickness, have many bending edges, and have special structures. It is difficult to form parts by hand forming or bending, and the precision is low, the labor cost is high, and the scrap rate is high. Therefore, there is an urgent need for a stamping die for aircraft stainless steel sheet metal parts that can accurately form parts. Utility Model Content

[0003] The utility model overcomes the shortcomings of the prior art and provides a stamping die for aircraft stainless steel sheet metal parts.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a stamping die for aircraft stainless steel sheet metal parts, comprising:

[0005] Round lower die;

[0006] The invention is characterized in that: a plurality of limiting protrusions evenly distributed in a circle are arranged on the inner wall of the circular lower die, a pressing plate is arranged at the top of the circular lower die, a plurality of cylindrical pins are connected between the pressing plate and the circular lower die, a circular upper die is arranged at the top of the pressing plate, a plurality of stamping blocks cooperating with the limiting protrusions are arranged at the bottom of the circular upper die, and a plurality of guide pillars are connected between the circular upper die and the circular lower die.

[0007] In the above structure, a plurality of first eye bolts are arranged on the outer wall of the circular lower die.

[0008] In the above structure, the pressing plate and the circular lower die are fixed by screws.

[0009] In the above structure, a plurality of second eye bolts are arranged on the outer side wall of the pressing plate.

[0010] In the above structure, a plurality of third eye bolts are arranged on the outer wall of the circular upper die.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the stamping die structure of the aircraft stainless steel sheet metal parts of the utility model is reasonably designed, and through the mutual cooperation of the circular upper die, the pressing plate and the circular lower die, all the bent feet can be formed at one time, and the parts can be formed at one time, which greatly reduces the cost and improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1It is a structural schematic diagram of a stamping die for an aircraft stainless steel sheet metal part according to an embodiment of the utility model;

[0013] Figure 2 It is a schematic diagram of the exploded structure of a stamping die for an aircraft stainless steel sheet metal part according to an embodiment of the utility model;

[0014] Figure 3 It is a reference diagram of the use status of a stamping die for an aircraft stainless steel sheet metal part described in an embodiment of the utility model.

[0015] In the figure:

[0016] 1. Circular lower die; 2. Limiting protrusion; 3. Pressing plate; 4. Cylindrical pin; 5. Circular upper die; 6. Stamping block; 7. Guide column; 8. First lifting eye bolt; 9. Screw; 10. Second lifting eye bolt; 11. Third lifting eye bolt; 12. Parts. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0018] like Figure 1-2 As shown, a stamping die for aircraft stainless steel sheet metal parts comprises:

[0019] Round lower die 1;

[0020] It is characterized in that: a plurality of limiting protrusions 2 evenly distributed in a circle are provided on the inner wall of the circular lower die 1, a pressing plate 3 is provided at the top of the circular lower die 1, a plurality of cylindrical pins 4 are connected between the pressing plate 3 and the circular lower die 1, a circular upper die 5 is provided on the top of the pressing plate 3, a plurality of stamping blocks 6 cooperating with the limiting protrusions 2 are provided at the bottom of the circular upper die 5, and a plurality of guide pillars 7 are connected between the circular upper die 5 and the circular lower die 1.

[0021] In the above structure, a plurality of first eye bolts 8 are provided on the outer wall of the circular lower die 1 .

[0022] In the above structure, the pressing plate 3 and the circular lower die 1 are fixed by screws 9 .

[0023] In the above structure, a plurality of second eye bolts 10 are provided on the outer side wall of the pressing plate 3 .

[0024] In the above structure, a plurality of third eye bolts 11 are provided on the outer wall of the circular upper die 5 .

[0025] When the stamping die of the aircraft stainless steel sheet metal parts of the utility model is in operation, the circular upper die is connected to the upper platform of the hydraulic press, the circular lower die is connected to the lower platform of the hydraulic press, and the part 12 is placed on the circular lower die before forming (such as Figure 3 As shown in the figure, the part is positioned by a cylindrical pin, the pressing plate fixes the part on the circular lower die by screws, the upper platform of the hydraulic press is started to make the circular upper die move downward through the guide column, and finally the upper and lower dies are closed to complete the forming of the part.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A stamping die for aircraft stainless steel sheet metal parts, comprising: Circular lower die (1); The invention is characterized in that: a plurality of limiting protrusions (2) evenly distributed in a circumference are provided on the inner wall of the circular lower die (1); a pressure plate (3) is provided at the top of the circular lower die (1); a plurality of cylindrical pins (4) are connected between the pressure plate (3) and the circular lower die (1); a circular upper die (5) is provided on the top of the pressure plate (3); a plurality of stamping blocks (6) matching the limiting protrusions (2) are provided at the bottom of the circular upper die (5); and a plurality of guide pillars (7) are connected between the circular upper die (5) and the circular lower die (1).

2. The stamping die for aircraft stainless steel sheet metal parts according to claim 1, characterized in that: A plurality of first eye bolts (8) are provided on the outer wall of the circular lower die (1).

3. The stamping die for aircraft stainless steel sheet metal parts according to claim 1, characterized in that: The pressing plate (3) and the circular lower die (1) are fixed by screws (9).

4. The stamping die for aircraft stainless steel sheet metal parts according to claim 1, characterized in that: A plurality of second eye bolts (10) are provided on the outer side wall of the pressing plate (3).

5. The stamping die for aircraft stainless steel sheet metal parts according to claim 1, characterized in that: A plurality of third eye bolts (11) are provided on the outer wall of the circular upper die (5).

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