Automobile door panel stamping die

Abstract

The utility model discloses an automobile door panel stamping die, which relates to the technical field of automobile stamping dies, and comprises a base, at least one mounting frame is arranged on the base, a die body is detachably mounted in the mounting frame, the mounting frame comprises a bottom plate and a frame, a lightening hole is formed in the bottom plate, and the bottom plate is provided with a through hole. A plurality of bolt holes, positioning holes and first positioning key grooves are formed in the positions, around the lightening holes, of the bottom plate; the mounting frame is provided with a first reference block on the inner wall of the frame; according to the utility model, the base and the die body are designed in a split manner, so that various die bodies with similar structures can be placed in the mounting frame, and one base and a plurality of dies can be shared, so that the universality of the whole base is improved, the processing quantity of the base is reduced, the production cost is reduced, and the production efficiency is improved. And the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile stamping dies, in particular to an automobile door panel stamping die. Background Art

[0002] Automobile door panels are thin plate stamping parts that make up the automobile body. They are characterized by thin material, complex shape, large structural size, and high surface quality requirements. During the stamping process, the upper mold descends so that the upper mold core fits on the lower mold core to press the door outer panel into shape.

[0003] The existing utility model patent with announcement number CN 211965628 U and announcement date 2020.11.20 discloses a stamping die for automobile door outer panels with good molding effect, including a lower die, a first L-shaped groove is opened inside the lower die, a first rectangular hole is opened inside the lower die, a first hole is opened inside the lower die, the bottom of the first hole passes through the first rectangular hole, a first L-shaped plate is rotatably connected in the first hole, a first cylindrical hole is opened inside the first L-shaped plate, the first cylindrical hole extends away from one end of the first L-shaped plate to the interior of the lower die, and a first spring is provided in the first cylindrical hole;

[0004] The utility model utilizes the gravity of the lower mold to rotate the first L-shaped plate so that the outer wall of the first L-shaped plate fits against the lower mold core, thereby completing the clamping of the lower mold core. The lower mold core can be removed by rotating the top end of the first L-shaped plate, making the action of removing the mold core simple and reliable, while completing the function of clamping to facilitate removal.

[0005] However, this patent also has the following problems: the mold consists of two parts, a mold frame and a base, and both the mold frame and the base are of one-piece design. That is to say, according to the different door panel structures of each car model, one mold frame is required to be equipped with one base, and the same base cannot be used on multiple mold frames. This greatly increases the processing cost of the entire mold, and it is necessary to specially equip a dedicated base while processing the mold frame.

[0006] Therefore, there is an urgent need for an automobile door panel stamping die to improve the versatility of the entire die and reduce processing costs. Utility Model Content

[0007] In response to the above technical problems, the utility model provides an automobile door panel stamping die, which is used to solve the problem that the base and die frame of the current automobile door panel stamping die are both one-piece designs, and the same base cannot be used on multiple die frames, which makes the versatility of the entire die low and leads to high die production costs.

[0008] The above technical objectives of the present invention are achieved through the following technical solutions:

[0009] An automobile door panel stamping die includes a body and a base. The base is provided with at least one mounting frame. The die body is detachably mounted in the mounting frame. The mounting frame includes a bottom plate and a frame. A lightening hole is formed on the bottom plate. The bottom plate is provided with a plurality of bolt holes, positioning holes, and a first positioning keyway around the lightening hole.

[0010] The installation frame is provided with a first reference block on the inner wall of the frame;

[0011] Both ends of the base are provided with latch holes and limiting right angles.

[0012] Furthermore, the mold body includes a mold core and an outer edge, the outer edge is sleeved on the mold core, a connecting plate is provided on the side of the outer edge close to the bottom plate, and the mold body is bolted to the bottom plate through the connecting plate.

[0013] Furthermore, a positioning column is provided at a position of the connecting plate corresponding to the positioning hole, a second positioning key groove is provided at a position of the connecting plate corresponding to the first positioning key groove, and a positioning key is provided between the first positioning key groove and the second positioning key groove.

[0014] Furthermore, a second reference block is provided on the connection plate at a position corresponding to the first reference block.

[0015] Furthermore, a card slot is provided on the periphery of the outer edge, and a card block is provided at a position of the mold core corresponding to the card slot.

[0016] Furthermore, each of the four corners of the base is provided with a hanging column.

[0017] Furthermore, the base is an integral casting structure and is provided with two mounting frames.

[0018] Furthermore, the mold core is cross-disposed with a plurality of reinforcing ribs corresponding to the positions of the lightening holes.

[0019] In summary, the beneficial technical effects of the present invention are:

[0020] (1) By using a split design of the base and the mold body, a variety of mold bodies with different structures can be installed in the installation frame during use, achieving the purpose of using the same base to adapt to multiple molds, saving the processing of the base during the mold processing process, not only saving materials but also reducing the processing cost; at the same time, by using the movable set of the outer edge and the mold core, the outer edge and the mold core can be selectively adapted. When there are minor structural changes in the interior and edges of the two door panels, there is no need to replace the entire mold, only the changed part needs to be replaced, which further reduces the cost for the mold.

[0021] (2) The mold body is positioned in the installation frame by using the first positioning key groove and the second positioning key groove through the positioning key, which is convenient for fixing using the bolt holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a structural diagram of the base;

[0024] Figure 3 is a schematic diagram of the mold body;

[0025] Figure 4 It is a schematic diagram of the structure of the outer edge;

[0026] Figure 5 yes Figure 4 Schematic diagram from another angle.

[0027] Figure markings: 1. base; 2. bottom plate; 3. frame; 4. mold body; 5. mold core; 6. outer edge; 7. connecting plate; 8. lower pressure edge; 9. support member; 10. bolt hole; 11. first positioning keyway; 12. second positioning keyway; 13. first reference block; 14. second reference block; 15. pin hole; 16. limiting right angle; 17. slot; 18. block; 19. lifting column; 20. reinforcing rib; 21. positioning hole; 22. positioning column. DETAILED DESCRIPTION

[0028] The present invention will be described clearly and completely below with reference to the embodiments.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In the description of the embodiments, unless otherwise specified or limited, the terms "disposed" and "connected" should be understood broadly. For example, they can refer to fixed, removable, or integral connections; mechanical or electrical connections; direct connections, connections through an intermediary medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on their specific circumstances.

[0031] See attached Figure 1-5, shown is a stamping die for an automobile door panel, comprising a base 1, wherein the base 1 is an integrally cast structure, provided with two mounting frames of the same structure, the mounting frames comprising a bottom plate 2 and a frame 3 disposed around the bottom plate 2, a lightening hole being provided in the center of the bottom plate 2 for reducing the weight of the entire base 1, and a plurality of bolt holes 10 being provided around the lightening hole;

[0032] A mold body 4 is provided in the mounting frame, wherein the mold body 4 includes a mold core 5 and an outer edge 6 sleeved on the mold core 5. A connecting plate 7 is provided on the side of the outer edge 6 close to the bottom plate 2. The connecting plate 7 is provided with connecting holes at positions corresponding to the bolt holes 10. When the mold body 4 is installed in the mounting frame, the bolt connection with the bottom plate 2 is achieved through the connecting holes on the connecting plate 7. A lower pressing edge 8 is provided at the bottom of the outer edge 6. The lower pressing edge 8 is used to cooperate with the punching machine to obtain the edge structure of the door panel. In order to ensure the structural strength of the lower pressing edge 8, a support member 9 is provided between the connecting plate 7 and the lower pressing edge 8.

[0033] Furthermore, in order to ensure accurate positioning and installation of the mold body 4 in the installation frame, a plurality of first positioning key grooves 11 and positioning holes 21 are provided on the bottom plate 2, and a second positioning key groove 12 is provided at a position corresponding to the first positioning key groove 11 on the connecting plate 7. A positioning key is installed between the first positioning key groove 11 and the second positioning key groove 12. During installation, the positioning key is first placed in the first positioning key groove 11, and then the entire mold body 4 is engaged with the positioning key through the second positioning key groove 12.

[0034] In addition, a plurality of first reference blocks 13 are provided on the inner wall of the frame 3, and a second reference block 14 is provided at the outer edge 6 corresponding to the position of the first reference block 13. During installation, the first reference block 13 and the second reference block 14 are used as a reference to achieve the installation of the mold body 4 in the installation frame;

[0035] Furthermore, a slot 17 is provided at the position of the outer edge 6 at the lower pressure edge 8, and a block 18 is provided at the position of the mold core 5 corresponding to the slot 17. When the mold core 5 and the outer edge 6 are fitted together, the slot 17 and the block 18 cooperate to achieve the desired fit. In addition, a plurality of positioning posts 22 are provided at positions corresponding to the positioning holes 21 of the mold core 5. The positioning posts 22 correspond to the positioning holes 21 one by one, and a plurality of reinforcing ribs 20 are cross-formed at positions corresponding to the lightening holes of the mold core 5. The reinforcing ribs 20 increase the structural strength of the entire mold core 5 and prevent deformation during stamping.

[0036] Furthermore, the base 1 is provided with limiting right angles 16 at both ends, and the base 1 is provided with latch holes 15 at the limiting right angles 16. When the base 1 is installed, the limiting right angles 16 at both ends are engaged with the fixing mechanism on the punching machine, and the latch is inserted into the latch hole 15 to achieve fixation with the punching machine.

[0037] Finally, in order to facilitate the transportation of the base 1 , a hanging column 19 is provided at each of the four corners of the base 1 .

[0038] It can be seen from this that the beneficial effects of the present invention are: by arranging a mounting frame on the base 1, the mounting frame can be connected to a variety of mold bodies 4 with different structures using bolt holes 10, so that when processing the mold body 4, there is no need to process all the bases 1 one by one, and the adaptation to multiple mold bodies 4 can be completed through one base 1, thereby improving the versatility of the entire base 1 and reducing the processing cost; at the same time, by using the movable set of the outer edge 6 and the mold core 5, when one of the outer edge 6 and the mold core 5 undergoes a minor structural change, there is no need to process the entire mold body 4, only the one with the changed structure needs to be processed, which further reduces the cost of mold processing. In addition, the split design of the base 1 and the mold body 4 also facilitates the transportation and storage of the two, reducing space occupancy.

[0039] The above description is only a preferred specific embodiment of the present invention and does not limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A stamping die for automobile door panels, characterized by: The invention comprises a base (1), wherein at least one mounting frame is provided on the base (1), a mold body (4) is detachably mounted in the mounting frame, the mounting frame comprises a bottom plate (2) and a frame (3), a lightening hole is provided on the bottom plate (2), and the bottom plate (2) is provided with a plurality of bolt holes (10), positioning holes (21) and a first positioning key groove (11) around the lightening hole; The installation frame is provided with a first reference block (13) on the inner wall of the frame (3); Both ends of the base (1) are provided with a pin hole (15) and a limiting right angle (16).

2. The automobile door panel stamping die according to claim 1, characterized in that: The mold body (4) comprises a mold core (5) and an outer edge (6), wherein the outer edge (6) is sleeved on the mold core (5), and a connecting plate (7) is provided on the side of the outer edge (6) close to the base plate (2), and the mold body (4) is bolted to the base plate (2) via the connecting plate (7).

3. The automobile door panel stamping die according to claim 2, characterized in that: A positioning column (22) is provided at a position of the connecting plate (7) corresponding to the positioning hole (21), a second positioning key groove (12) is provided at a position of the connecting plate (7) corresponding to the first positioning key groove (11), and a positioning key is provided between the first positioning key groove (11) and the second positioning key groove (12).

4. The automobile door panel stamping die according to claim 2, characterized in that: A second reference block (14) is provided on the connecting plate (7) at a position corresponding to the first reference block (13).

5. The automobile door panel stamping die according to claim 2, characterized in that: A clamping groove (17) is provided on the periphery of the outer edge (6), and a clamping block (18) is provided on the mold core (5) at a position corresponding to the clamping groove (17).

6. The automobile door panel stamping die according to claim 1, characterized in that: Each of the four corners of the base (1) is provided with a hanging column (19).

7. The automobile door panel stamping die according to claim 2, characterized in that: The base (1) is an integral casting structure and is provided with two mounting frames.

8. The automobile door panel stamping die according to claim 2, characterized in that: The mold core (5) is cross-disposed with a plurality of reinforcing ribs (20) at positions corresponding to the lightening holes.

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