Forging die for forged aluminum alloy runner plate

Abstract

The utility model relates to the technical field of aluminum alloy forging, in particular to a forging die of a forged aluminum alloy runner plate, which comprises a first station die, a second station die and a third station die which are adjacently arranged, the second station die is positioned between the first station die and the third station die, the first station die is a closed pre-forging die, and the third station die is a closed pre-forging die. The first station die is a closed type pre-forging die, the second station die is a semi-closed type pre-forming die, the third station die is an open type final-forming die, and the forging die is used for forming a forge piece body through a forming mode of closed type blank pressing pre-forging in the closed type pre-forging die, semi-closed type pre-forging in the semi-closed type pre-forming die and open type final forging in the open type final-forming die in sequence; the material utilization rate and the production efficiency of the aluminum alloy runner plate product are improved, and meanwhile the problem that the aluminum alloy runner plate product is difficult to position is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy forging technical field especially relates to a kind of forging die of forged aluminum alloy runner plate. BACKGROUND

[0002] For complex aluminum alloy runner plate, using conventional hot forging process, pre-final forging forming, product defect is more, cannot manufacture qualified product.

[0003] For example, on April 23, 2024, a public number CN117583527A was disclosed, a kind of forged aluminum alloy runner plate high-efficiency double cavity forming forging die, including the upper die and lower die being arranged in upper and lower, the lower side of upper die is provided with pre-forging upper convex forming platform and final forging upper convex forming platform side by side, the upper side of lower die is provided with pre-forging lower convex forming platform and final forging lower convex forming platform side by side, the upper die and lower die are formed around pre-forging upper convex forming platform, final forging upper convex forming platform, pre-forging lower convex forming platform and final forging lower convex forming platform No-obstructed flash gap, pre-forging upper convex forming platform and final forging upper convex forming platform are respectively provided with pre-forging upper forming structure and final forging upper forming structure side by side, pre-forging lower convex forming platform and final forging lower convex forming platform are respectively provided with pre-forging lower forming concave cavity and final forging lower forming concave cavity side by side, the die solves the problem of low processing efficiency of existing forging die. However, the applicant found that the final forging cavity and the pre-forging cavity are both open forging dies, although the generation process of the flash is not interfered, but the material utilization rate is reduced, and the material utilization rate needs to be improved. SUMMARY

[0004] Therefore, the utility model aims at providing a kind of forging die of forged aluminum alloy runner plate to solve the problem that material utilization rate needs to be improved.

[0005] Based on the above purpose, the utility model provides a kind of forging die of forged aluminum alloy runner plate, including the first station die, second station die and third station die being arranged adjacently, the second station die is located between first station die and third station die, the first station die is closed pre-forging die, the second station die is semi-closed pre-forging die, and the third station die is open final forging die;The semi-closed pre-forging die includes the second station upper die and the second station lower die being arranged in upper and lower, the lower part of the second station upper die and the upper part of the second station lower die are respectively provided with the upper and lower two parts of semi-closed pre-forming cavity, the second station lower die upper part is provided with a plurality of angle stoppers surrounding the outside of the semi-closed pre-forming cavity, and the flash groove communicated with the semi-closed pre-forming cavity is provided between adjacent two angle stoppers.

[0006] Optionally, the closed preforming die comprises a first station upper die and a first station lower die arranged in an up-down manner, and the lower part of the first station upper die and the upper part of the first station lower die are respectively provided with upper and lower parts of a closed preforming cavity.

[0007] Optionally, the open finish forming die comprises a third station upper die and a third station lower die arranged in an up-down manner, and the lower part of the third station upper die and the upper part of the third station lower die are respectively provided with upper and lower parts of an open finish forming cavity.

[0008] Optionally, the third station lower die is provided with an exhaust hole at the lowest point of the open finish forming cavity, and the exhaust hole can extend to the bottom of the third station lower die.

[0009] Optionally, the first station die, the second station die and the third station die are arranged in a stepped manner, the position of the first station die is higher than that of the second station die, and the position of the second station die is higher than that of the third station die.

[0010] Optionally, the closed preforming cavity in the first station die, the semi-closed preforming cavity in the second station die and the open finish forming cavity in the third station die are arranged side by side.

[0011] Optionally, the four corners of the first station lower die, the four corners of the second station lower die and the four corners of the third station lower die are provided with positioning grooves, and the four corners of the first station upper die, the four corners of the second station upper die and the four corners of the third station upper die are provided with positioning protrusions matched with the positioning grooves.

[0012] Optionally, the position of the positioning protrusion of the first station upper die is higher than that of the positioning protrusion of the second station upper die, and the position of the positioning protrusion of the second station upper die is higher than that of the positioning protrusion of the third station upper die.

[0013] Optionally, the first station upper die is provided with a first station upper base, the first station lower die is provided with a first station lower base, the second station upper die is provided with a second station upper base, the second station lower die is provided with a second station lower base, the third station upper die is provided with a third station upper base, and the third station lower die is provided with a third station lower base.

[0014] Optionally, a plurality of heating pipes are transversely staggered inside the first station die, the second station die and the third station die.

[0015] The utility model discloses a beneficial effect: the utility model provides a kind of forging die of forged aluminium alloy runner plate, the forming mode of the forging die to forging body is sequentially carried out in closed preforming die closed base preforming, half-closed preforming die half-closed preforming and open final forming die open final forging, improves the material utilization of aluminium alloy runner plate product and production efficiency, simultaneously solve the positioning difficult problem of aluminium alloy runner plate product;Three stations are provided to the forging die, compared to the existing forging die increases station, reduces the aluminium alloy runner plate product development difficulty, improves development success rate. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only the embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Fig. 1 It is the structure schematic diagram of the utility model;

[0018] Fig. 2 It is the main view structure schematic diagram of the total upper die of the utility model;

[0019] Fig. 3 It is the three-dimensional structure schematic diagram of the total upper die of the utility model;

[0020] Fig. 4 It is the three-dimensional structure schematic diagram of the total lower die of the utility model.

[0021] In the drawing: 1, first station upper base; 2, first station lower base; 3, first station upper die; 4, first station lower die; 5, second station upper base; 6, second station lower base; 7, second station upper die; 8, second station lower die; 9, third station upper base; 10, third station lower base; 11, third station upper die; 12, third station lower die; 13, annular stop block; 14, angle stop block; 15, flash groove; 16, unobstructed flash space. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is further detailed with specific embodiment, and referring to the drawings, the utility model is explained.

[0023] It should be noted that, unless otherwise defined, technical or scientific terms used in the embodiments of the present application should be understood as having the common meaning in the field of the present application to which the embodiments of the present application pertain. The terms "first", "second", and similar terms used in the present application do not denote any order, quantity, or importance, but are merely used to distinguish different components. The terms "include", "contain", and similar terms mean that the elements or objects before the terms encompass the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right", and the like are merely used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships can also change accordingly.

[0024] As shown in Figs. 1 to 4 A forging die for forging an aluminum alloy runner plate, comprising a first station die, a second station die and a third station die arranged adjacently, the second station die is located between the first station die and the third station die, the first station die is a closed preforming die, the second station die is a semi-closed preforming die, and the third station die is an open finish die; the semi-closed preforming die comprises a second station upper die 7 and a second station lower die 8 arranged vertically, the lower part of the second station upper die 7 and the upper part of the second station lower die 8 are respectively provided with upper and lower parts of a semi-closed preforming cavity, and the upper part of the second station lower die 8 is provided with a plurality of corner blocks 14 surrounding the outside of the semi-closed preforming cavity, a flash groove 15 communicating with the semi-closed preforming cavity is arranged between two adjacent corner blocks 14, the semi-closed preforming cavity is used for locally semi-closed forging of the body of the forging, which facilitates positioning of the body of the forging and is beneficial to filling of a deep cavity in the subsequent open finish die.

[0025] The forging die sequentially performs closed billet preforming in the closed preforming die, semi-closed preforming in the semi-closed preforming die, and open finish forging in the open finish die, thereby improving material utilization and production efficiency of the aluminum alloy runner plate product and solving the positioning difficulty of the aluminum alloy runner plate product; the forging die is provided with three stations, which reduces the development difficulty of the aluminum alloy runner plate product and improves the development success rate compared with the existing forging die.

[0026] The closed pre-forging die comprises a first station upper die 3 and a first station lower die 4 arranged in an up-down mode, and the lower part of the first station upper die 3 and the upper part of the first station lower die 4 are respectively provided with upper and lower two parts of a closed pre-forging cavity, and the upper part of the first station lower die 4 is provided with an annular stopper 13 surrounding the outside of the closed pre-forging cavity. The closed pre-forging die can well distribute the material according to the equal cross-section mode by closed material pressing of the forging body, which is beneficial to pre-forging forming.

[0027] The open final forming die comprises a third station upper die 11 and a third station lower die 12 arranged in an up-down mode, and the lower part of the third station upper die 11 and the upper part of the third station lower die 12 are respectively provided with upper and lower two parts of an open final forming cavity. The open final forming cavity is a deep cavity, which is beneficial to the control of the thickness of the forging body. The upper part of the first station lower die 4 is provided with an unobstructed flash space 16 surrounding the outside of the semi-closed pre-forming cavity. The unobstructed flash space 16 is of a structure penetrating around, does not interfere with the generation process of the flash, and the flash is not easy to crack, thereby preventing secondary damage to the forging body.

[0028] The third station lower die 12 is provided with an exhaust hole at the lowest point of the open final forming cavity, and the exhaust hole can extend to the bottom of the third station lower die 12. The open exhaust hole is beneficial to the fullness of the open final forming cavity.

[0029] The first station die, the second station die and the third station die are arranged in a stepped mode, the position of the first station die is higher than the position of the second station die, and the position of the second station die is higher than the position of the third station die.

[0030] The closed pre-forging cavity in the first station die, the semi-closed pre-forming cavity in the second station die and the open final forming cavity in the third station die are arranged side by side.

[0031] The four corners of the first station lower die 4, the four corners of the second station lower die 8 and the four corners of the third station lower die 12 are all provided with positioning grooves, and correspondingly, the four corners of the first station upper die 3, the four corners of the second station upper die 7 and the four corners of the third station upper die 11 are all provided with positioning protrusions matched with the positioning grooves, which is convenient for positioning and prevents die misalignment.

[0032] The position of the positioning protrusion of the first station upper die 3 is higher than the position of the positioning protrusion of the second station upper die 7, and the position of the positioning protrusion of the second station upper die 7 is higher than the position of the positioning protrusion of the third station upper die 11. Correspondingly, the position of the bottom of the positioning groove of the first station lower die 4 is higher than the position of the bottom of the positioning groove of the second station lower die 8, and the position of the bottom of the positioning groove of the second station lower die 8 is higher than the position of the bottom of the positioning groove of the third station lower die 12, which is convenient for positioning and prevents die misalignment.

[0033] The first work position upper die 3 is provided with a first work position upper base 1, the first work position lower die 4 is provided with a first work position lower base 2, the second work position upper die 7 is provided with a second work position upper base 5, the second work position lower die 8 is provided with a second work position lower base 6, the third work position upper die 11 is provided with a third work position upper base 9, and the third work position lower die 12 is provided with a third work position lower base 10.

[0034] A plurality of heating pipes are transversely staggered in the interiors of the first work position die, the second work position die and the third work position die, and are used for heating the forging body.

[0035] It should be understood by those skilled in the art that the above discussion of any embodiment is only exemplary and is not intended to imply that the scope of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of brevity.

[0036] The embodiments of the utility model are intended to cover all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A forging die for forging an aluminum alloy runner plate, characterized by, The first station die, the second station die and the third station die are arranged in adjacent arrangement, the second station die is located between the first station die and the third station die, the first station die is a closed preforming die, the second station die is a semi-closed preforming die, and the third station die is an open finish die.

2. A forging die for forging an aluminum alloy flow channel plate as set forth in claim 1, characterized by, The closed preforming die comprises a first station upper die (3) and a first station lower die (4) arranged in an upper-lower mode, the lower part of the first station upper die (3) and the upper part of the first station lower die (4) are respectively provided with upper and lower two parts of a closed preforming cavity, and the upper part of the first station lower die (4) is provided with an annular stop block (13) surrounding the outside of the closed preforming cavity.

3. A forging die for forging an aluminum alloy flow channel plate as set forth in claim 2, characterized by, The open finish die comprises a third station upper die (11) and a third station lower die (12) arranged in an upper-lower mode, the lower part of the third station upper die (11) and the upper part of the third station lower die (12) are respectively provided with upper and lower two parts of an open finish cavity, and the upper part of the first station lower die (4) is provided with an unobstructed flash space (16) surrounding the outside of the semi-closed preforming cavity.

4. A forging die for forging an aluminum alloy flow channel plate as set forth in claim 3, characterized by The third station lower die (12) is provided with an exhaust hole at the lowest point of the open finish cavity, and the exhaust hole can extend to the bottom of the third station lower die (12).

5. A forging die for forging an aluminum alloy flow channel plate as defined in claim 3 wherein, The first station die, the second station die and the third station die are arranged in a stepped mode, the position of the first station die is higher than that of the second station die, and the position of the second station die is higher than that of the third station die.

6. A forging die for forging an aluminum alloy flow channel plate as defined in claim 5, wherein The closed preforming cavity in the first station die, the semi-closed preforming cavity in the second station die and the open finish cavity in the third station die are arranged side by side.

7. A forging die for forging an aluminum alloy flow channel plate as defined in claim 3, wherein The four corners of the first station lower die (4), the four corners of the second station lower die (8) and the four corners of the third station lower die (12) are provided with positioning grooves, and the four corners of the first station upper die (3), the four corners of the second station upper die (7) and the four corners of the third station upper die (11) are provided with positioning protrusions matched with the positioning grooves.

8. A forging die for forging an aluminum alloy flow channel plate as defined in claim 7, wherein The position of the positioning protrusion of the first station upper die (3) is higher than that of the positioning protrusion of the second station upper die (7), and the position of the positioning protrusion of the second station upper die (7) is higher than that of the positioning protrusion of the third station upper die (11).

9. A forging die for forging an aluminum alloy flow channel plate as defined in claim 3, wherein The first station upper die (3) is provided with a first station upper base (1), the first station lower die (4) is provided with a first station lower base (2), the second station upper die (7) is provided with a second station upper base (5), the second station lower die (8) is provided with a second station lower base (6), the third station upper die (11) is provided with a third station upper base (9), and the third station lower die (12) is provided with a third station lower base (10).

10. A forging die for forging an aluminum alloy flow channel plate according to claim 1, characterized by, A plurality of heating pipes are transversely staggered inside the first station die, the second station die and the third station die.

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