Automobile stamping drawing die

Abstract

The utility model provides an automobile stamping drawing die which comprises an upper die, a lower die and a pressing ring edge, the upper die comprises an upper universal insert, a left upper special insert and a right upper special insert, the upper universal insert is located between the left upper special insert and the right upper special insert, and the lower die is located between the upper universal insert and the right upper special insert. The lower die comprises a lower universal insert, a left lower special insert and a right lower special insert, the lower universal insert is located between the left lower special insert and the right lower special insert, the pressing ring edge is located between the upper die and the lower die, a stamping area is formed between the upper die and the lower die, and the pressing ring edge is located between the upper die and the lower die. The stamping die has the advantages that the upper die body and the lower die body are each composed of three parts, the number of the same basic die can be effectively reduced, the problem that the tool cost input is too high due to the fact that stamping parts with different widths are produced is solved, and forming of various stamping parts is achieved by replacing corresponding special inserts.

Description

Technical Field

[0001] The utility model relates to the field of stamping and drawing equipment, in particular to an automobile stamping and drawing die. Background Art

[0002] The current automotive industry is largely based on platform development, with subdivisions within the same platform. For example, extending the wheelbase or widening the body requires the use of the same main structure. Existing technologies primarily achieve this by adding spliced ​​parts or developing two-part tooling. Adding spliced ​​parts increases the welding process, tooling investment, and man-hours. Developing two-part tooling is costly for large stampings. Therefore, existing technologies require significant tooling costs for stampings with varying lengths and widths within the same basic shape. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide an automobile stamping and drawing die to solve the technical problem in the prior art of high tooling cost for stamping parts of different widths with the same basic shape.

[0004] To achieve the above-mentioned and other related purposes, the present invention provides an automobile stamping and drawing die, comprising:

[0005] An upper mold, the upper mold comprising an upper universal insert, an upper left special insert, and an upper right special insert, wherein the upper universal insert is located between the upper left special insert and the upper right special insert;

[0006] A lower mold, comprising a lower universal insert, a lower left special insert, and a lower right special insert, wherein the lower universal insert is located between the lower left special insert and the lower right special insert;

[0007] A pressing ring edge is located between the upper die and the lower die, a stamping area is formed between the upper die and the lower die, and the pressing ring edge is arranged around the stamping area.

[0008] The advantage of adopting the above technical solution is that the upper die and the lower die are respectively set to be composed of three parts, which can effectively reduce the same basic die, avoid the problem of too high tooling cost investment caused by stamping parts of different widths, and realize the forming of various stamping parts by replacing the corresponding special inserts.

[0009] Optionally, the upper universal insert is provided with a limiting portion on the side facing the upper left special insert and the upper right special insert, and the upper left special insert and the upper right special insert are provided with a docking portion on the end face facing the upper universal insert, and the docking portion matches the limiting portion.

[0010] Optionally, the pressure ring edge includes a universal pressure ring, a left pressure ring and a right pressure ring, the universal pressure ring is located between the left pressure ring and the right pressure ring, the universal pressure ring, the left pressure ring and the right pressure ring form an annular structure and are arranged around the stamping area.

[0011] Optionally, the working surface of the upper die and the working surface of the pressure ring edge are both provided with reinforcing ribs, and the reinforcing ribs of the upper die match the reinforcing ribs of the pressure ring edge.

[0012] Optionally, a plurality of sheet metal positioning pins are provided on the outer ring edge of the pressing ring, and the sheet metal positioning pins are symmetrically distributed on the universal pressing ring, the left pressing ring and the right pressing ring.

[0013] Optionally, the upper left special insert, the upper right special insert, the lower left special insert and the lower right special insert are further provided with positioning openings on sides away from the upper universal insert, and positioning pins are provided in the positioning openings.

[0014] Optionally, positioning pieces are used to position the upper left dedicated insert, the upper right dedicated insert, the lower left dedicated insert, the lower right dedicated insert, the left pressure ring and the right pressure ring with corresponding molds.

[0015] Optionally, lifting threaded holes are provided on the upper left special insert, the upper right special insert, the lower left special insert, the lower right special insert, the left pressure ring and the right pressure ring.

[0016] Optionally, the specifications of the drawbeads provided on the upper left dedicated insert and the upper right dedicated insert are different.

[0017] As described above, an automobile stamping and drawing die of the utility model has the following beneficial effects: the upper die and the lower die are respectively set to be composed of three parts, which can effectively reduce the same basic die, avoid the problem of too high tooling cost investment caused by the production of stamping parts of different widths, and realize the forming of various stamping parts by replacing the corresponding special inserts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Shown is a schematic structural diagram of an upper mold in one embodiment of the present utility model;

[0019] Figure 2 Shown is a schematic structural diagram of the lower mold in one embodiment of the present utility model;

[0020] Figure 3 Shown is a schematic structural diagram of the upper left dedicated insert from a first perspective in one embodiment of the present utility model;

[0021] Figure 4 Shown is a second perspective structural diagram of the upper left dedicated insert in one embodiment of the present utility model;

[0022] Figure 5 Shown is a schematic structural diagram of the lower left dedicated insert from a first perspective in one embodiment of the present utility model;

[0023] Figure 6 Shown is a second perspective structural schematic diagram of the lower left dedicated insert in one embodiment of the present utility model.

[0024] Part Number Description

[0025] 1 upper mold

[0026] 101 Universal Insert

[0027] 102 Upper left dedicated inlay

[0028] 103 Upper right dedicated insert

[0029] 104 docking unit

[0030] 2 Lower die

[0031] 201 lower universal insert

[0032] 202 Lower left dedicated insert

[0033] 203 Lower right dedicated insert

[0034] 3 Pressing ring edge

[0035] 301 Universal Press Ring

[0036] 302 Left pressure ring

[0037] 303 Right pressure ring

[0038] 4 positioning pins

[0039] 5 Positioning parts DETAILED DESCRIPTION

[0040] The following describes the embodiments of the present invention through specific examples. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. The present invention may also be implemented or applied through various other specific embodiments, and the details in this specification may be modified or altered based on different perspectives and applications without departing from the spirit of the present invention.

[0041] See also Figures 1 to 6. It should be noted that the illustrations provided in this embodiment only illustrate the basic concept of the present invention in a schematic manner. The illustrations only show the components related to the present invention rather than being drawn according to the number, shape and size of the components during actual implementation. During implementation, the type, quantity and proportion of each component can be changed at will, and the component layout may also be more complex. The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read. They are not used to limit the conditions under which the present invention can be implemented, so they have no technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and purpose that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should also be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0042] See Figures 1 to 6 As shown, the utility model provides an automobile stamping and drawing die, comprising:

[0043] An upper mold 1, comprising an upper universal insert 101, an upper left dedicated insert 102, and an upper right dedicated insert 103, wherein the upper universal insert 101 is located between the upper left dedicated insert 102 and the upper right dedicated insert 103;

[0044] A lower mold 2, comprising a lower universal insert 201, a lower left dedicated insert 202, and a lower right dedicated insert 203, wherein the lower universal insert 201 is located between the lower left dedicated insert 202 and the lower right dedicated insert 203;

[0045] The pressing ring edge 3 is located between the upper die 1 and the lower die 2. A stamping area is formed between the upper die 1 and the lower die 2. The pressing ring edge 3 is arranged around the stamping area.

[0046] Exemplarily, the upper universal insert 101 is provided with a limiting portion on the side facing the upper left special insert 102 and the upper right special insert 103, and the upper left special insert 102 and the upper right special insert 103 are provided with a docking portion 104 on the end face facing the upper universal insert 101, and the docking portion 104 matches the limiting portion.

[0047] It is further explained that the limiting portion and the docking portion 104 are provided so that when the upper universal insert 101 is connected to the upper left dedicated insert 102 or the upper right dedicated insert 103 , the stability of the connection can be ensured.

[0048] It should also be noted that when facing stamping parts of different widths, the upper left special insert 102 and the upper right special insert 103 can be directly replaced to complete the adaptation of the upper die 1 to the stamping parts. At the same time, the lower left special insert 202 and the lower right special insert 203 can be replaced to complete the adaptation of the lower die 2 to the stamping parts, avoiding the problem of too high tooling cost investment when facing stamping parts of different widths. By replacing special inserts, the forming of two or more stamping parts with local differences can be achieved.

[0049] In one embodiment, a docking structure is also provided on the side where the lower universal insert 201 and the lower left special insert 202 or the lower right special insert 203 are connected to avoid misalignment when the lower universal insert 201 and the lower left special insert 202 or the lower right special insert 203 are connected.

[0050] In one embodiment, the two different dedicated inserts on the upper die 1, the lower die 2, and the blank holder 3 have the same outer contour dimensions and different working surfaces to facilitate interchangeability between the inserts and meet different part requirements.

[0051] Exemplarily, the pressure ring edge 3 includes a universal pressure ring 301, a left pressure ring 302 and a right pressure ring 303, the universal pressure ring 301 is located between the left pressure ring 302 and the right pressure ring 303, the universal pressure ring 301, the left pressure ring 302 and the right pressure ring 303 form an annular structure and are arranged around the stamping area.

[0052] It should also be noted that the pressing ring 301 is formed in a modular manner so that the pressing ring 301 can also adapt to stamping parts of different widths, further reducing the investment in tooling costs.

[0053] Exemplarily, the working surface of the upper mold 1 and the working surface of the pressing ring edge 3 are both provided with reinforcing ribs, and the reinforcing ribs of the upper mold 1 match the reinforcing ribs of the pressing ring edge 3.

[0054] It should also be noted that the reinforcement ribs are provided so that the structural strength of the stamping parts can be ensured during the stamping process.

[0055] Exemplarily, a plurality of sheet metal positioning pins are provided on the outer ring edge of the pressing ring side 3 , and the sheet metal positioning pins are symmetrically distributed on the universal pressing ring 301 , the left pressing ring 302 and the right pressing ring 303 .

[0056] It should also be noted that sheet metal positioning pins are provided to position the pressing ring edge 3 to ensure the stability of the pressing ring edge 3 during the stamping process.

[0057] Exemplarily, the upper left dedicated insert 102 , the upper right dedicated insert 103 , the lower left dedicated insert 202 and the lower right dedicated insert 203 are further provided with positioning openings on sides away from the upper universal insert 101 , and positioning pins 4 are provided in the positioning openings.

[0058] It should also be noted that the positioning opening and the corresponding positioning pin 4 are provided so as to position the upper left special insert 102 and the upper right special insert 103 to ensure stability during the stamping process.

[0059] At the same time, rectangular positioning blocks are used to quickly position the upper universal insert 101, the lower universal insert 201 and the universal pressure ring 301 with the corresponding special inserts.

[0060] Exemplarily, the upper left special insert 102, the upper right special insert 103, the lower left special insert 202, the lower right special insert 203, the left pressure ring 302 and the right pressure ring 303 are positioned with the corresponding molds using a positioning piece 5.

[0061] It should also be noted that a positioning member 5 is provided to further enhance the stability between the upper left special insert 102, the upper right special insert 103, the lower left special insert 202, the lower right special insert 203, the left pressure ring 302 and the right pressure ring 303 and the corresponding mold.

[0062] Exemplarily, the upper left special insert 102 , the upper right special insert 103 , the lower left special insert 202 , the lower right special insert 203 , the left pressure ring 302 and the right pressure ring 303 are all provided with lifting threaded holes.

[0063] It should also be noted that lifting threaded holes are provided on the upper left special insert 102, the upper right special insert 103, the lower left special insert 202, the lower right special insert 203, the left pressure ring 302 and the right pressure ring 303, and the disassembly and assembly of the inserts are achieved by disassembly, tightening bolts and thread matching lifting.

[0064] Exemplarily, the specifications of the drawbeads provided on the upper left dedicated insert 102 and the upper right dedicated insert 103 are different.

[0065] To sum up, an automobile stamping and drawing die is adopted according to the utility model. In this application, the upper die 1 and the lower die 2 are respectively set to be composed of three parts, which can effectively reduce the design of the same basic die, avoid the problem of too high tooling cost investment caused by the production of stamping parts of different widths, and realize the forming of various stamping parts by replacing the corresponding special inserts.

[0066] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. An automobile stamping and drawing die, characterized in that: include: An upper mold, the upper mold comprising an upper universal insert, an upper left special insert, and an upper right special insert, wherein the upper universal insert is located between the upper left special insert and the upper right special insert; A lower mold, comprising a lower universal insert, a lower left special insert, and a lower right special insert, wherein the lower universal insert is located between the lower left special insert and the lower right special insert; A pressing ring edge is located between the upper die and the lower die, a stamping area is formed between the upper die and the lower die, and the pressing ring edge is arranged around the stamping area.

2. The automobile stamping and drawing die according to claim 1, characterized in that: The upper universal insert is provided with a limiting portion on the side facing the upper left special insert and the upper right special insert, and the upper left special insert and the upper right special insert are provided with a docking portion on the end surface facing the upper universal insert, and the docking portion matches the limiting portion.

3. The automobile stamping and drawing die according to claim 2, characterized in that: The pressing ring edge includes a universal pressing ring, a left pressing ring and a right pressing ring. The universal pressing ring is located between the left pressing ring and the right pressing ring. The universal pressing ring, the left pressing ring and the right pressing ring form an annular structure and are arranged around the stamping area.

4. The automobile stamping and drawing die according to claim 3, characterized in that: The working surface of the upper die and the working surface of the pressure ring edge are both provided with reinforcing ribs, and the reinforcing ribs of the upper die match the reinforcing ribs of the pressure ring edge.

5. The automobile stamping and drawing die according to claim 4, characterized in that: A plurality of sheet metal positioning pins are provided on the outer ring edge of the pressing ring, and the sheet metal positioning pins are symmetrically distributed on the universal pressing ring, the left pressing ring and the right pressing ring.

6. The automobile stamping and drawing die according to claim 5, characterized in that: The sides of the upper left special insert, the upper right special insert, the lower left special insert and the lower right special insert away from the upper universal insert are further provided with positioning openings, and positioning pins are arranged in the positioning openings.

7. The automobile stamping and drawing die according to claim 6, characterized in that: The upper left special insert, the upper right special insert, the lower left special insert, the lower right special insert, the left pressure ring and the right pressure ring are positioned with corresponding molds using positioning pieces.

8. The automobile stamping and drawing die according to claim 7, characterized in that: The upper left special insert, the upper right special insert, the lower left special insert, the lower right special insert, the left pressure ring and the right pressure ring are all provided with lifting threaded holes.

9. The automobile stamping and drawing die according to claim 8, characterized in that: The specifications of the draw bars arranged on the upper left special insert and the upper right special insert are different.

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