Forging and pressing forming die for aluminum product

Abstract

The utility model discloses an aluminum product forging and pressing forming die. The aluminum product forging and pressing forming die comprises an upper die plate and a lower die plate. The upper template is connected to the upper machine table connecting plate, the lower template is connected to the lower machine table connecting plate, a groove is formed in the top end of the lower template, a through hole is formed in the bottom of the groove, and the lower ejector rod is in sliding fit with the through hole; the upper mold plate is connected with a sprue spreader, the lower machine table connecting plate is connected with a lower elastic assembly, and the lower ejector rod is connected to the lower elastic assembly; when the upper mold plate makes contact with the lower mold plate, a cavity is defined by the lower surface of the upper mold plate, the bottom end of the sprue spreader, the groove in the top of the lower mold plate and the top end of the lower ejector rod. Compared with the prior art, after forging and pressing forming, under the tension action of the elastic piece, the lower ejector rod ejects a product out of the cavity, secondary demolding is not needed, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a forging and forming mold for aluminum products. Background Art

[0002] Forging is a combination of forging and stamping. It is a forming method that uses the hammer, anvil, punch or die of a forging machine to apply pressure to the blank to make it plastically deform, thereby obtaining a part of the desired shape and size. Therefore, the die is an indispensable tool in the forging production process.

[0003] After forging and forming with traditional molds, the product will stick to the mold cavity and require secondary demolding, which affects production efficiency. Utility Model Content

[0004] The utility model aims to provide a forging die for aluminum products. After forging, under the tension of an elastic member, a lower ejector rod ejects the product from a cavity without secondary demolding, thereby improving production efficiency and solving the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A forging die for an aluminum product comprises an upper die plate and a lower die plate; the upper die plate is connected to an upper machine platform connecting plate, the lower die plate is connected to a lower machine platform connecting plate, a groove is provided at the top of the lower die plate, a through hole is provided at the bottom of the groove, and a lower ejector rod is slidably fitted in the through hole; a diverter cone is connected to the upper die plate, a lower elastic component is connected to the lower machine platform connecting plate, and the lower ejector rod is connected to the lower elastic component; when the upper die plate contacts the lower die plate, the lower surface of the upper die plate, the bottom end of the diverter cone, the groove at the top of the lower die plate and the top end of the lower ejector rod enclose a forming cavity.

[0007] A further improvement of the utility model is that a boss is provided at the bottom end of the upper template, and when the upper template is pressed down to contact the lower template, the boss is embedded in the groove.

[0008] A further improvement of the utility model is that the upper template is provided with a guide hole a, a guide sleeve is connected in the guide hole a, and the lower template is connected with a guide rod a, and the guide rod a is slidably matched with the guide sleeve.

[0009] A further improvement of the utility model is that a support ring is connected to the bottom end of the lower template, and the lower machine platform connecting plate is connected to the bottom end of the support ring.

[0010] A further improvement scheme of the utility model is that the lower elastic component includes a lower spring ejection plate, a lower top plate and several lower anti-top springs; the lower top plate is connected to the top end of the lower spring ejection plate, and the lower ejection rod is connected to the lower top plate; the lower surface of the lower spring ejection plate and the upper surface of the lower machine connecting plate are both provided with embedded grooves, and the two ends of the several lower anti-top springs are located in the upper and lower embedded grooves.

[0011] A further improvement of the utility model is that a guide rod b is connected to the lower top plate, a guide hole b is provided on the lower template, and the guide rod b is slidably matched with the guide hole b.

[0012] A further improvement of the utility model is that a mounting groove is provided at the top of the upper template, an upper elastic component is connected in the mounting groove, an upper ejector rod is connected to the bottom end of the upper elastic component, and the upper ejector rod is slidably fitted with the upper template and extends to the bottom end of the upper template.

[0013] A further improvement of the utility model is that the upper elastic component includes an upper spring ejection plate, an upper top plate and several upper anti-top springs; the upper top plate is connected to the bottom end of the upper spring ejection plate, and the upper ejection rod is connected to the upper top plate; the upper surface of the upper spring ejection plate and the lower surface of the upper machine connecting plate are both provided with embedded grooves, and the two ends of the several upper anti-top springs are located in the upper and lower embedded grooves.

[0014] A further improved solution of the utility model is that the bottom of the upper top plate is connected with a guide rod c, the upper template is provided with a guide hole c, and the guide rod c is slidably matched with the guide hole c.

[0015] A further improvement of the utility model is that the upper template is provided with a guide hole d, and the upper ejector rod is slidably matched with the guide hole d.

[0016] Beneficial effects of the utility model:

[0017] The utility model discloses an aluminum product forging and forming die. After forging and forming, under the tension of the elastic member, the lower ejector rod ejects the product from the cavity without the need for secondary demoulding, thereby improving production efficiency.

[0018] The utility model discloses an aluminum product forging forming die. When the aluminum liquid is in a semi-solidified state, the upper die plate is pressed downward to strongly squeeze the semi-solidified aluminum liquid into plasticity, so that the obtained product structure is denser, the mechanical properties are better, the product appearance is highly consistent, and the surface finish is high without the need for further surface processing.

[0019] The aluminum product forging and forming die of the utility model is additionally provided with an upper ejector rod to prevent the product from adhering to the bottom of the upper mold plate after forging and forming, and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall schematic diagram of the utility model.

[0021] In the figure: 1-upper template, 101-boss, 102-guide hole a, 103-guide hole c, 104-guide hole d, 2-lower template, 201-through hole, 202-guide hole b, 3-upper machine connecting plate, 4-lower machine connecting plate, 5-diverter cone, 6-lower ejector rod, 7-lower elastic component, 701-lower spring ejector plate, 702-lower ejector plate, 703-lower anti-elastic spring, 8-guide sleeve, 9-guide rod a, 10-support ring, 11-guide rod b, 12-upper elastic component, 1201-upper spring ejector plate, 1202-upper ejector plate, 1203-upper anti-elastic spring, 13-upper ejector rod, 14-guide rod c, 15-cavity, 16-product. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] Example 1: Figure 1 As shown, a forging die for an aluminum product comprises an upper die plate 1 and a lower die plate 2; the upper die plate 1 is connected to an upper machine connecting plate 3, the lower die plate 2 is connected to a lower machine connecting plate 4, a groove is provided at the top of the lower die plate 2, a through hole 201 is provided at the bottom of the groove, and a lower ejector rod 6 is slidably fitted in the through hole 201; a diverter cone 5 is connected to the upper die plate 1, a lower elastic component 7 is connected to the lower machine connecting plate 4, and the lower ejector rod 6 is connected to the lower elastic component 7; when the upper die plate 1 contacts the lower die plate 2, the lower surface of the upper die plate 1, the bottom end of the diverter cone 5, the groove at the top of the lower die plate 2 and the top end of the lower ejector rod 6 enclose a forming cavity 15.

[0024] The bottom end of the upper mold plate 1 is provided with a boss 101 , and when the upper mold plate 1 is pressed down to contact with the lower mold plate 2 , the boss 101 is embedded in the groove.

[0025] The upper template 1 is provided with a guide hole a102, in which a guide sleeve 8 is connected, and the lower template 2 is connected with a guide rod a9, which is slidably matched with the guide sleeve 8.

[0026] The bottom end of the lower template 2 is connected with a support ring 10 , and the lower machine platform connecting plate 4 is connected to the bottom end of the support ring 10 .

[0027] Among them, the lower elastic component 7 includes a lower spring ejection plate 701, a lower top plate 702 and several lower anti-top springs 703 arranged in a circular array; the lower top plate 702 is connected to the top of the lower spring ejection plate 701, and the lower ejection rod 6 is connected to the lower top plate 702; the lower surface of the lower spring ejection plate 701 and the upper surface of the lower machine connecting plate 4 are both provided with embedded grooves, and the two ends of several lower anti-top springs 703 are located in the upper and lower embedded grooves.

[0028] Among them, a guide rod b11 is connected to the lower top plate 702, and a guide hole b202 is provided on the lower template 2, and the guide rod b11 is slidably matched with the guide hole b202.

[0029] Embodiment 2: This embodiment is a further improvement of Embodiment 1. The main improvement is that after forging and forming in Embodiment 1, the product 16 will adhere to the bottom end of the upper mold plate 1; in this embodiment, the above defects can be avoided. Specifically:

[0030] The top of the upper template 1 is provided with a mounting groove, in which an upper elastic component 12 is connected, and the bottom end of the upper elastic component 12 is connected to an upper ejector rod 13, which is slidably matched with the upper template 1 and extends to the bottom end of the upper template 1; the upper elastic component 12 includes an upper spring ejector plate 1201, an upper top plate 1202 and a plurality of upper anti-top springs 1203; the upper top plate 1202 is connected to the bottom end of the upper spring ejector plate 1201, and the upper ejector rod 13 is connected to the upper top plate 1202; the upper surface of the upper spring ejector plate 1201 The lower surface of the upper machine connecting plate 3 is provided with an embedding groove, and the two ends of several upper anti-top springs 1203 are located in the upper and lower embedding grooves. The bottom of the upper top plate 1202 is connected with a guide rod c14, and the upper template 1 is provided with a guide hole c103, and the guide rod c14 slides in the guide hole c103; the upper template 1 is provided with a guide hole d104, and the upper ejector rod 13 slides in the guide hole d104; in this embodiment, an upper ejector rod 13 is additionally provided to prevent the product 16 from sticking to the bottom of the upper template 1 after forging and forming, which is more convenient to use.

[0031] Apart from this, this embodiment is exactly the same as Embodiment 1 and will not be described in detail here.

[0032] The specific working principle of the utility model is as follows:

[0033] The utility model is used in conjunction with a forging machine, an upper machine platform connecting plate 3 is connected to the oil cylinder shaft end of the upper machine platform, and a lower machine platform connecting plate 4 is connected to the lower machine platform.

[0034] During operation, aluminum liquid is poured into the cavity 15. When the aluminum liquid reaches a semi-solidified state, the upper template 1 is driven downward by the oil cylinder, and the upper template 1 pushes the guide rod b11 to extrude the lower anti-top spring 703. At the same time, the guide rod c14 contacts the upper surface of the lower template 2, and the guide rod c14 pushes the upper top plate 1202 to extrude the upper anti-top spring 1203. By strongly extruding the semi-solidified aluminum liquid, the plasticity of the obtained product 16 is denser and the mechanical properties are better. The appearance consistency of the product 16 is high, and the surface finish is high, and no surface processing is required. After the processing is completed, the upper template 1 is driven by the oil cylinder to leave the lower template 2. Under the tension of the lower anti-top spring 703, the lower ejector rod 6 moves upward to eject the lower end surface of the ejector product 16, so that it is separated from the cavity 15. At the same time, under the tension of the upper anti-top spring 1203, the upper ejector rod 13 moves downward to eject the upper end surface of the ejector product 16 to prevent the product 16 from adhering to the bottom end of the upper template 1.

[0035] The above implementation is only to illustrate the technical concept and features of the utility model, and its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly, and it cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A forging die for aluminum products, characterized in that: The invention comprises an upper template (1) and a lower template (2); the upper template (1) is connected to an upper machine connection plate (3), the lower template (2) is connected to a lower machine connection plate (4), a groove is provided at the top of the lower template (2), a through hole (201) is provided at the bottom of the groove, and a lower ejector rod (6) is slidably matched with the through hole (201); a diverter cone (5) is connected to the upper template (1), a lower elastic component (7) is connected to the lower machine connection plate (4), and the lower ejector rod (6) is connected to the lower elastic component (7); when the upper template (1) is in contact with the lower template (2), the lower surface of the upper template (1), the bottom end of the diverter cone (5), the groove at the top of the lower template (2) and the top end of the lower ejector rod (6) enclose a molding cavity (15).

2. The aluminum product forging die according to claim 1, characterized in that: The bottom end of the upper mold plate (1) is provided with a boss (101), and when the upper mold plate (1) is pressed downward to contact the lower mold plate (2), the boss (101) is embedded in the groove.

3. The aluminum product forging die according to claim 1, characterized in that: The upper template (1) is provided with a guide hole a (102), a guide sleeve (8) is connected to the guide hole a (102), and the lower template (2) is connected to a guide rod a (9), and the guide rod a (9) is slidably matched with the guide sleeve (8).

4. The aluminum product forging die according to claim 1, characterized in that: The bottom end of the lower template (2) is connected to a support ring (10), and the lower machine platform connecting plate (4) is connected to the bottom end of the support ring (10).

5. The aluminum product forging die according to claim 4, characterized in that: The lower elastic component (7) comprises a lower spring ejection plate (701), a lower top plate (702) and a plurality of lower anti-top springs (703); the lower top plate (702) is connected to the top end of the lower spring ejection plate (701), and the lower ejection rod (6) is connected to the lower top plate (702); the lower surface of the lower spring ejection plate (701) and the upper surface of the lower machine connection plate (4) are both provided with embedded grooves, and the two ends of the plurality of lower anti-top springs (703) are located in the upper and lower embedded grooves.

6. The aluminum product forging die according to claim 5, characterized in that: The lower top plate (702) is connected to a guide rod b (11), the lower template (2) is provided with a guide hole b (202), and the guide rod b (11) is slidably matched with the guide hole b (202).

7. The aluminum product forging die according to claim 1, characterized in that: The top end of the upper template (1) is provided with a mounting groove, an upper elastic component (12) is connected to the mounting groove, the bottom end of the upper elastic component (12) is connected to an upper ejector rod (13), and the upper ejector rod (13) is slidably fitted on the upper template (1) and extends to the bottom end of the upper template (1).

8. The aluminum product forging die according to claim 7, characterized in that: The upper elastic component (12) comprises an upper spring ejection plate (1201), an upper top plate (1202) and a plurality of upper anti-elevation springs (1203); the upper top plate (1202) is connected to the bottom end of the upper spring ejection plate (1201), and the upper ejection rod (13) is connected to the upper top plate (1202); the upper surface of the upper spring ejection plate (1201) and the lower surface of the upper machine connecting plate (3) are both provided with embedded grooves, and the two ends of the plurality of upper anti-elevation springs (1203) are located in the upper and lower embedded grooves.

9. The aluminum product forging die according to claim 8, characterized in that: The bottom of the upper top plate (1202) is connected to a guide rod c (14), the upper template (1) is provided with a guide hole c (103), and the guide rod c (14) is slidably matched with the guide hole c (103).

10. The aluminum product forging die according to claim 8, characterized in that: The upper template (1) is provided with a guide hole d (104), and the upper ejector rod (13) is slidably fitted in the guide hole d (104).

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