CN217529094U - Forging and pressing forming die for high-strength light aluminum alloy hinge of automobile door - Google Patents

Abstract

The utility model belongs to the technical field of the mould, especially, relate to an automobile door high strength lightweight aluminum alloy hinge forging and pressing moulded die. The utility model discloses, mould and die-casting lower mould on the die-casting, die-casting go up mould bottom and be equipped with the die-casting shaping convex part, the die-casting lower mould in be equipped with and prevent owing meat die-casting shaping subassembly. The utility model discloses in the die-casting in-process, place the material earlier on the die-casting between mould and the die-casting lower mould, mould and die-casting lower mould are close to each other again with the die-casting, joint cooperation through between compound die counterpoint portion and the die-casting lower mould, the precision of compound die has been improved, the die-casting quality is higher, make the die-casting shaping convex part with prevent owing meat die-casting shaping subassembly looks butt cooperation and form complete die cavity, carry out the die-casting, in the die-casting process, can avoid taking place foldingly at the die-casting in-process product through preventing owing meat die-casting shaping subassembly, owing the defect of meat, the surface quality of product has been improved, need not to carry out secondary correct grinding processing, the shaping cycle has been shortened, and the practicality is stronger.

Description

Forging and pressing forming die for high-strength light aluminum alloy hinge of automobile door

Technical Field

The utility model belongs to the technical field of the mould, a car door high strength lightweight aluminum alloy hinge forging and pressing moulded die is related to.

Background

The door reinforcing plate is a plate member which is used for locally reinforcing a door body structure, is specifically used at a position for mounting a door accessory mechanism on a door inner plate surface, improves the rigidity and the connection strength of the mounting position, is provided with the reinforcing plate with the thickness of 1.2-1.6 mm at positions such as a door body mounting hinge position, a door opening degree limiting stopper position, a door lock position and the like, and is welded with the door inner plate (or welded with the door inner plate), so that the local concentrated rechecking energy of the door can be effectively transferred to the larger plate surface of the door plate, and the local rigidity of the door body and the mounting rigidity of the door are enhanced. The existing car door plate is generally manufactured by adopting a die-casting die, the defects of folding and insufficient meat of a product are easily caused in the die-casting process, the surface quality is general, secondary processing is required, and the forming period is long

In order to overcome the defects of the prior art, people continuously explore and provide various solutions, for example, a Chinese patent discloses a die-casting die for aluminum alloy of an outer plate of a car door of a car (application number: 201710078614.5] comprising an upper mold and a lower mold, wherein the upper mold is similar to a structural member of an outer panel of a car door, the lower mold has a mold cavity, and the mold cavity is suitable for accommodating the upper mold; the method is characterized in that the gap between the outer wall and the inner wall of the upper die and the lower die is pressed between 0.05mm and 0.1 mm; the upper die and the lower die are calculated according to the design series of the aluminum alloy die by using Pro/E, CATIA, UG-NX and AutoCAD software, a 2500T die casting machine is selected for die design, a die casting die required by forming the outer plate of the vehicle door is designed, and the die casting die is verified by CAE finite element analysis; and a multi-point pouring gate, a slag ladle and an exhaust system are designed on the upper die and the lower die. However, in the die-casting process, the product still has the defects of easy folding and insufficient meat, the surface quality is general, secondary processing is needed, and the forming period is long.

Disclosure of Invention

The utility model aims at the above problem, a car door high strength lightweight aluminum alloy hinge forging and pressing moulded die is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a car door high strength lightweight aluminum alloy hinge forging and pressing moulded die, includes die-casting mould and die-casting lower mould, die-casting mould bottom be equipped with the die-casting shaping convex part, the die-casting lower mould in be equipped with and prevent owing meat die-casting shaping subassembly, the position of preventing owing meat die-casting shaping subassembly and die-casting shaping convex part corresponding and the shape matches and suits, the die-casting on be equipped with the compound die counterpoint portion, compound die counterpoint portion and die-casting lower mould joint cooperation mutually, compound die counterpoint portion and the crisscross setting of die-casting shaping convex part.

In foretell car door high strength lightweight aluminum alloy hinge forging and pressing moulded die, prevent owing meat die-casting shaping subassembly including setting up a plurality of door shaping cavities in the die-casting bed die, door shaping cavity in be equipped with and prevent owing meat central convex part, prevent owing meat central convex part and die-casting shaping convex part the position corresponding, the corresponding and shape of position of door shaping cavity and die-casting shaping convex part match and adapt.

In foretell car door high strength lightweight aluminum alloy hinge forging mould, a plurality of door shaping cavities set up along die-casting lower mould centerline symmetry, prevent owing meat central convex part including setting up in door shaping cavity prevent owing meat central flange, prevent owing meat central flange top and be level and smooth form, prevent owing meat central flange thickness and be less than the degree of depth of door shaping cavity.

In foretell car door high strength lightweight aluminum alloy hinge forging and pressing moulded die, the junction of preventing owing meat center flange and door shaping cavity between be equipped with the cambered surface, door shaping cavity in still be equipped with door lug shaping portion, door lug shaping portion with prevent owing meat center flange crisscross setting.

In foretell car door high strength lightweight aluminum alloy hinge forging and pressing moulded die, door lug shaping portion including setting up the door lug shaping recess in door shaping cavity, door lug shaping recess with prevent owing the crisscross setting of meat center flange, the degree of depth of door lug shaping recess be greater than the degree of depth of door shaping cavity.

In the above-mentioned automobile door high-strength lightweight aluminum alloy hinge forging and pressing forming die, the die-casting forming convex part comprises a plurality of die-casting forming convex frame plates arranged at the bottom of the die-casting upper die, and the die-casting forming convex frame plates correspond to the positions of the automobile door forming concave cavities and are matched in shape.

In foretell car door high strength lightweight aluminum alloy hinge forging and pressing moulded die, die casting forming convex frame inboard in be equipped with the supplementary shaping chamber in upper portion, the supplementary shaping chamber in upper portion correspond with the position of preventing owing the meat center flange.

In the high-strength light-weight aluminum alloy hinge forging and pressing forming die for the automobile door, the die-casting lower die is further provided with the peripheral clamping and positioning part, and the peripheral clamping and positioning part and the automobile door forming concave cavity are arranged in a staggered mode.

In foretell car door high strength lightweight aluminum alloy hinge forging and pressing moulded die, peripheral hardware centre gripping location portion including setting up a plurality of peripheral hardware centre gripping recesses on the die-casting lower mould, peripheral hardware centre gripping recess be squarely.

In foretell car door high strength lightweight aluminum alloy hinge forging mould, the compound die counterpoint portion including set up a plurality of compound die counterpoint side pieces on the die-casting upper die, the die-casting lower die on be equipped with a plurality of compound die counterpoint side flutings, compound die counterpoint side piece and compound die counterpoint side fluting looks joint cooperation.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses at the die-casting in-process, place the material earlier on the die-casting between mould and the die-casting lower mould, mould and die-casting lower mould are close to each other on will die-casting again, joint cooperation through between compound die counterpoint portion and the die-casting lower mould, the precision of compound die has been improved, the die-casting quality is higher, make the die-casting shaping convex part with prevent oweing meat die-casting shaping subassembly looks butt cooperation and form complete die cavity, carry out die-casting, at the die-casting in-process, can avoid taking place foldingly at die-casting in-process product through preventing oweing meat die-casting shaping subassembly, oweing the defect of meat, the surface quality of product has been improved, need not to carry out secondary finish grinding processing, the molding cycle has been shortened, the practicality is stronger.

2. The utility model discloses a junction between preventing oweing meat center flange and door shaping cavity is equipped with the cambered surface, and product handing-over department is smooth, ensures the smoothness degree of material, and avoids the product edge arch to appear, need not to carry out the secondary and polishes.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is an exploded schematic view of the present invention.

Fig. 2 is an exploded view in another direction of the present invention.

Fig. 3 is a schematic structural view of a die-casting lower die.

Fig. 4 is a schematic structural view of the die-casting upper die.

In the figure: the die-casting die comprises an upper die-casting die 1, a lower die-casting die 2, a die-casting forming convex part 22, a lean meat prevention die-casting forming assembly 3, a die-casting counterpoint part 4, a vehicle door forming cavity 5, a lean meat prevention central convex part 6, a lean meat prevention central convex plate 7, a vehicle door convex block forming part 8, a vehicle door convex block forming groove 9, a die-casting forming convex frame plate 10, an upper auxiliary forming cavity 11, an external clamping positioning part 12, an external clamping groove 13, a die-casting counterpoint side block 14 and a die-casting counterpoint side open groove 15.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, a car door high strength lightweight aluminum alloy hinge forging and pressing moulded die, including die-casting upper die 1 and die-casting lower die 2, die-casting upper die 1 bottom be equipped with die-casting shaping convex part 22, die-casting lower die 2 in be equipped with and prevent oweing meat die-casting shaping subassembly 3, prevent oweing meat die-casting shaping subassembly 3 and die-casting shaping convex part 22 the position corresponding and the shape match and suit, die-casting upper die 1 on be equipped with compound die counterpoint portion 4, compound die counterpoint portion 4 and die-casting lower die 2 joint cooperation mutually, compound die counterpoint portion 4 and die-casting shaping convex part 22 staggered arrangement.

In this embodiment, in the die-casting in-process, place the material earlier on between die-casting mould 1 and die-casting lower mould 2, it is close to die-casting mould 1 and die-casting lower mould 2 each other again, joint cooperation through compound die counterpoint portion 4 and die-casting lower mould 2 between, the precision of compound die has been improved, the die-casting quality is higher, make die-casting shaping convex part 22 form complete die cavity with prevent owing the cooperation of meat die-casting shaping subassembly 3 looks butt, die-casting, in the die-casting in-process, can avoid taking place folding at the die-casting in-process product through preventing owing meat die-casting shaping subassembly 3, owing to the defect of meat, the surface quality of product has been improved, need not to carry out secondary correct grinding processing, the molding cycle has been shortened, the practicality is stronger.

Combine fig. 1-4 to show, the die-casting forming subassembly 3 of preventing owing meat including set up a plurality of door shaping cavities 5 in die-casting lower mould 2, door shaping cavity 5 in be equipped with and prevent owing meat central convex part 6, the position of preventing owing meat central convex part 6 and die-casting shaping convex part 22 corresponding, door shaping cavity 5 and die-casting shaping convex part 22 the position corresponding and the shape match and fit.

Specifically speaking, in the die-casting process, the car door forming cavity 5 and the die-casting forming convex part 22 are mutually abutted and matched to form a cavity, the meat shortage preventing central convex part 6 is used for forming a car door central convex part structure, the defects that products are folded and meat shortage occurs in the die-casting process can be avoided through the meat shortage preventing central convex part 6, the surface quality of the products is improved, secondary fine grinding processing is not needed, the forming period is shortened, and the practicability is high.

Combine figure 1, fig. 2 to show, a plurality of door shaping cavities 5 along the symmetrical setting of 2 central lines of die-casting lower mould, the central convex part 6 of preventing owing meat including setting up in door shaping cavity 5 prevent owing meat central flange 7, the central flange 7 top of preventing owing meat be level and smooth form, the thickness of preventing owing meat central flange 7 be less than the degree of depth of door shaping cavity 5.

In this embodiment, prevent owing to meat central flange 7 and be used for shaping door central convex part structure, can avoid taking place folding, owing to the defect of meat at the die-casting in-process product through preventing owing to meat central flange 7, prevent owing to meat central flange 7 top and be level and smooth form, the production of reducible burr has improved the surface quality of product, need not to carry out secondary correct grinding processing, the shaping cycle has been shortened, the practicality is stronger, the thickness of preventing owing to meat central flange 7 is less than the degree of depth of door shaping cavity 5, the precision of compound die is not influenced.

Prevent owing less meat central flange 7 and door shaping cavity 5 between the junction be equipped with the cambered surface, door shaping cavity 5 in still be equipped with door lug shaping portion 8, door lug shaping portion 8 with prevent owing less meat central flange 7 crisscross setting.

In this embodiment, the junction between the central flange 7 of preventing owing the meat and the door shaping cavity 5 is equipped with the cambered surface, and product handing-over department is smooth, ensures the smoothness degree of material, and avoids the product edge arch to appear, need not to carry out the secondary and polishes, and door lug shaping portion 8 is used for shaping door lug structure.

Combine as shown in fig. 3, door lug shaping portion 8 including set up door lug shaping recess 9 in door shaping cavity 5, door lug shaping recess 9 with prevent oweing meat center flange 7 crisscross setting, door lug shaping recess 9 the degree of depth be greater than the degree of depth of door shaping cavity 5.

In this embodiment, the vehicle door bump forming groove 9 is used for forming the vehicle door bump structure, and the depth of the vehicle door bump forming groove 9 is greater than that of the vehicle door forming cavity 5, so as to ensure the thickness of the bump.

Die-casting shaping convex part 22 including set up in a plurality of die-casting shaping framed bent 10 in die-casting mould 1 bottom, die-casting shaping framed bent 10 and door shaping cavity 5's position corresponding and the shape match and be fit for.

In this embodiment, the die-cast cam plate 10 and the door-forming cavity 5 are close to each other to form a sealed die-cast cavity when the molds are closed.

An upper auxiliary forming cavity 11 is arranged in the die-casting forming convex frame plate 10, and the upper auxiliary forming cavity 11 corresponds to the position of the meat deficiency prevention central convex plate 7.

In this embodiment, the upper auxiliary forming cavity 11 is used to assist in forming the upper structure of the vehicle door.

Referring to fig. 3, the die-casting lower die 2 is further provided with a peripheral clamping and positioning portion 12, and the peripheral clamping and positioning portion 12 and the vehicle door forming cavity 5 are arranged in a staggered manner.

In this embodiment, peripheral hardware centre gripping location portion 12 is convenient after the die sinking, and external centre gripping equipment carries out the centre gripping through peripheral hardware centre gripping location portion 12 to die-casting lower mould 2 and removes, and the impurity that remains in door shaping cavity 5 is cleared up to the clearance, and easy operation is convenient.

As shown in fig. 1 and 3, the peripheral clamping and positioning portion 12 includes a plurality of peripheral clamping grooves 13 disposed on the die-casting lower die 2, and the peripheral clamping grooves 13 are square.

In this embodiment, peripheral hardware centre gripping recess 13 is convenient after the die sinking, and external centre gripping equipment carries out the centre gripping through peripheral hardware centre gripping recess 13 to die-casting lower mould 2 and removes, and the impurity of remaining in door shaping cavity 5 is cleared up to the clearance, and easy operation is convenient.

As shown in fig. 1 and 2, the mold closing and aligning portion 4 includes a plurality of mold closing and aligning side blocks 14 disposed on the upper die 1, a plurality of mold closing and aligning side slots 15 are disposed on the lower die 2, and the mold closing and aligning side blocks 14 are engaged with the mold closing and aligning side slots 15.

In this embodiment, during mold closing, the mold closing alignment side block 14 and the mold closing alignment side slot 15 are close to each other, and the mold closing accuracy is improved and the die casting quality is high by the snap-fit between the mold closing alignment side block 14 and the mold closing alignment side slot 15.

The utility model discloses a theory of operation is:

in the die-casting process, the material is firstly placed between the upper die-casting die 1 and the lower die-casting die 2, then the upper die-casting die 1 and the lower die-casting die 2 are mutually close, the die-closing precision is improved through the clamping matching between the die-closing contraposition side block 14 and the die-closing contraposition side open slot 15, the die-casting quality is higher, the die-casting forming convex frame plate 10 and the vehicle door forming cavity 5 are mutually close to form a sealed die-casting cavity for die-casting,

in the die-casting process, the defects of folding and meat shortage of products in the die-casting process can be avoided by the meat shortage prevention central convex plate 7, the top of the meat shortage prevention central convex plate 7 is flat, the generation of burrs can be reduced, the surface quality of the products is improved, secondary fine grinding processing is not needed, the forming period is shortened, the practicability is strong, the thickness of the meat shortage prevention central convex plate 7 is smaller than the depth of a vehicle door forming cavity 5, the precision of die assembly is not influenced,

the connecting part between the center convex plate 7 for preventing meat deficiency and the vehicle door forming concave cavity 5 is provided with a cambered surface, the connecting part of the product is smooth, the smoothness of the material is ensured, the edge of the product is prevented from being raised, secondary polishing is not needed, the vehicle door convex block forming part 8 is used for forming a vehicle door convex block structure,

the vehicle door bump forming groove 9 is used for forming a vehicle door bump structure, the depth of the vehicle door bump forming groove 9 is greater than that of the vehicle door forming concave cavity 5, the thickness of the bump is ensured,

the upper auxiliary forming cavity 11 is used for auxiliary forming of the upper structure of the vehicle door,

peripheral hardware centre gripping recess 13 is convenient after the die sinking, and external centre gripping equipment carries out the centre gripping through peripheral hardware centre gripping recess 13 to die-casting lower mould 2 and removes, and the impurity of remaining in door shaping cavity 5 is washd in the clearance, and easy operation is convenient.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms of the upper die casting die 1, the lower die casting die 2, the die casting convex portion 22, the lean prevention die casting assembly 3, the mold clamping counterpoint portion 4, the door forming cavity 5, the lean prevention center convex portion 6, the lean prevention center convex plate 7, the door bump forming portion 8, the door bump forming groove 9, the die casting frame convex plate 10, the upper auxiliary forming cavity 11, the peripheral clamping positioning portion 12, the peripheral clamping groove 13, the mold clamping counterpoint side block 14, the mold clamping counterpoint side open groove 15, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. The utility model provides a car door high strength lightweight aluminum alloy hinge forging and pressing moulded die, includes die-casting mould (1) and die-casting lower mould (2), its characterized in that, die-casting mould (1) bottom be equipped with die-casting shaping convex part (22), die-casting lower mould (2) in be equipped with and prevent oweing meat die-casting shaping subassembly (3), the position of preventing oweing meat die-casting shaping subassembly (3) and die-casting shaping convex part (22) corresponding and the shape phase match fit, die-casting mould (1) on be equipped with compound die counterpoint portion (4), compound die counterpoint portion (4) and die-casting lower mould (2) joint cooperation mutually, compound die counterpoint portion (4) and die-casting shaping convex part (22) crisscross setting.

2. The forging and forming die for the high-strength and light-weight aluminum alloy hinge of the automobile door as claimed in claim 1, wherein the underdraft-proof die-casting forming assembly (3) comprises a plurality of door forming cavities (5) arranged in the lower die-casting die (2), the door forming cavities (5) are internally provided with underdraft-proof central convex portions (6), the underdraft-proof central convex portions (6) correspond to the positions of the die-casting forming convex portions (22), and the door forming cavities (5) correspond to the positions of the die-casting forming convex portions (22) and are matched with the shapes.

3. The forging and forming die for the high-strength and light-weight aluminum alloy hinge of the automobile door as claimed in claim 2, wherein the plurality of automobile door forming cavities (5) are symmetrically arranged along the center line of the lower die (2), the meat deficiency prevention central convex part (6) comprises a meat deficiency prevention central convex plate (7) arranged in the automobile door forming cavities (5), the top of the meat deficiency prevention central convex plate (7) is flat, and the thickness of the meat deficiency prevention central convex plate (7) is smaller than the depth of the automobile door forming cavities (5).

4. The forging and pressing forming die for the high-strength light-weight aluminum alloy hinge of the automobile door as claimed in claim 3, wherein a cambered surface is arranged at the joint between the meat deficiency preventing central convex plate (7) and the automobile door forming cavity (5), an automobile door bump forming part (8) is further arranged in the automobile door forming cavity (5), and the automobile door bump forming part (8) and the meat deficiency preventing central convex plate (7) are arranged in a staggered manner.

5. The forging and forming die for the high-strength and light-weight aluminum alloy hinge of the automobile door as claimed in claim 4, wherein the door bump forming portion (8) comprises a door bump forming groove (9) arranged in the door forming cavity (5), the door bump forming groove (9) and the anti-meat-loss central convex plate (7) are arranged in a staggered mode, and the depth of the door bump forming groove (9) is larger than that of the door forming cavity (5).

6. The forging and forming die for the high-strength and light-weight aluminum alloy hinge of the automobile door as claimed in claim 5, wherein the die-casting convex portion (22) comprises a plurality of die-casting convex frame plates (10) arranged at the bottom of the upper die (1), and the die-casting convex frame plates (10) correspond to the positions of the door-forming concave cavities (5) and are matched in shape.

7. The forging and pressing mold for the high-strength and light-weight aluminum alloy hinge of the automobile door as claimed in claim 6, wherein an upper auxiliary molding cavity (11) is arranged in the die-casting convex frame plate (10), and the upper auxiliary molding cavity (11) corresponds to the position of the central insufficient-thickness-preventing convex plate (7).

8. The forging and forming die for the high-strength and light-weight aluminum alloy hinge of the automobile door as claimed in claim 7, wherein the die-casting lower die (2) is further provided with an external clamping and positioning portion (12), and the external clamping and positioning portion (12) and the automobile door forming concave cavity (5) are arranged in a staggered manner.

9. The forging and forming die for the high-strength and light-weight aluminum alloy hinge of the automobile door as claimed in claim 8, wherein the peripheral clamping and positioning portion (12) comprises a plurality of peripheral clamping grooves (13) formed in the die-casting lower die (2), and the peripheral clamping grooves (13) are square.

10. The forging and forming die for the high-strength and light-weight aluminum alloy hinge of the automobile door as claimed in claim 9, wherein the die assembly aligning part (4) comprises a plurality of die assembly aligning side blocks (14) arranged on the upper die (1), the lower die (2) is provided with a plurality of die assembly aligning side slots (15), and the die assembly aligning side blocks (14) are in clamping fit with the die assembly aligning side slots (15).

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