A soft aluminium profile die

Abstract

The utility model discloses a soft aluminum profile die, including the upper plate and lower plate of upper and lower stack settings, the upper plate top is provided with long thin edge feeding cavity and thick edge feeding cavity downwards respectively, and long thin edge feeding cavity and thick edge feeding cavity are perpendicular to each other, the thick edge feeding cavity is the double -deck ladder type structure of preventing the fast flow of aluminum alloy, four corners on the thick edge feeding cavity are provided with the cylindrical feeding hole of accelerating thick edge feeding cavity angle on feeding speed respectively, the upper plate inside still is provided with work belt, the upper plate and lower plate center below work belt are provided with the discharge gate respectively, the utility model discloses the thick edge feeding cavity is set to double -deck ladder type structure to slow down thick edge feeding flow, make it with long thin edge's feeding cavity flow keep consistent, and the setting of thick edge feeding cavity four corners on the cylindrical feeding hole guarantees thick edge feeding cavity self -flow distribution's evenness, thereby guarantee the quality of product forming, avoid the appearance of profile surface to shake and print.

Description

Technical Field

[0001] This utility model relates to the field of molding die technology, specifically to a soft aluminum profile die. Background Technology

[0002] To protect the environment and conserve energy and resources, future automotive research and development will place greater emphasis on lightweight design. Using lightweight aluminum alloys in automobile manufacturing can effectively achieve this. Aluminum is a light metal with excellent electrical and thermal conductivity, as well as good corrosion resistance. Furthermore, aluminum alloys have better machinability than traditional metals. Aluminum has a low melting point, and its recycling rate is no less than 90% throughout its use and recycling process. Aluminum alloys have excellent recyclability, making them the most ideal material for achieving automotive lightweighting. 3003 aluminum profiles are lightweight soft aluminum. When extruded using conventional forming molds, the surface of the aluminum profile is prone to vibration marks, and it is usually impossible to continue working after extruding two sections of aluminum rod.

[0003] Furthermore, since the dimensions of each part of the product are different, the flow rate of the profile material during extrusion varies. The product has long sides, short sides, thin sides, and thick sides. However, the long sides are located far from the center of the mold, so the flow rate is slower, while the short sides are located close to the center of the mold, so the flow rate is faster. This results in the profile flow rate of each part of the product not being controlled evenly during the molding process, and the size and quality of the produced products cannot be guaranteed, which seriously affects the molding quality of the products. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a soft aluminum profile mold that can eliminate the vibration marks on the surface of the profile during the extrusion process and improve the forming quality of the soft aluminum profile.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows.

[0006] A mold for soft aluminum profiles includes an upper plate and a lower plate stacked on top of each other. The top of the upper plate is provided with a long thin-side feeding cavity and a thick-side feeding cavity, which are arranged downwards and perpendicular to each other. The thick-side feeding cavity is a double-layer stepped structure to prevent the rapid flow of aluminum alloy. The four corners of the thick-side feeding cavity are provided with cylindrical feeding holes to accelerate the feeding speed at the corners of the thick-side feeding cavity. A working belt is also provided inside the upper plate. The upper plate and the lower plate below the working belt are respectively provided with discharge ports at their centers.

[0007] The aforementioned soft aluminum profile mold includes an upper feeding cavity and a lower feeding cavity that protrudes inward from the upper feeding cavity, with the upper feeding cavity positioned above the lower feeding cavity.

[0008] In the aforementioned soft aluminum profile mold, the lower feeding cavity is formed by a protrusion block disposed on the inner side of the lower part of the upper feeding cavity, and the position of the protrusion block is set to avoid the position of the cylindrical feeding hole.

[0009] The aforementioned soft aluminum profile mold includes a thin-edge working belt disposed below the long thin-edge feeding cavity and a thick-edge working belt disposed below the thick-edge feeding cavity, wherein the thickness of the thick-edge working belt is greater than the thickness of the thin-edge working belt.

[0010] In the aforementioned soft aluminum profile mold, the long thin-side feeding cavity is a structure with symmetrical arrangement on both sides, and the long thin-side feeding cavity has a gradually expanding structure from the center to the outside.

[0011] The technological advancements achieved by this utility model are as follows, due to the adoption of the above technical solutions.

[0012] This utility model provides a soft aluminum profile mold. By setting the feed chamber of the thick side as a double-layer stepped structure, the feed flow rate of the thick side is reduced, making it consistent with the feed flow rate of the feed chamber of the long thin side. The cylindrical feed holes at the four corners of the feed chamber of the thick side ensure the uniformity of the flow distribution of the feed chamber itself, thereby ensuring the quality of product forming and avoiding vibration marks on the profile surface. In addition, the thickness of the working belt of the thick side is greater than that of the working belt of the thin side. When the flow rate is adjusted by the stepped structure, the flow rate of the thick side is still very fast. Therefore, the aluminum alloy material in the working belt of the thick side can gradually transition to the working belt of the thin side, further ensuring the uniformity of the flow distribution. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the specific structure of the present utility model; Figure 2 This is a top view of the present invention; Figure 3 This is a side sectional view of the present invention.

[0014] Among them: 1. Upper plate, 2. Lower plate, 3. Long thin-side feed chamber, 4. Columnar feed hole, 5. Upper feed chamber, 6. Lower feed chamber, 7. Thin-side working belt, 8. Thick-side working belt. Detailed Implementation

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0016] A type of mold for soft aluminum profiles, such as Figures 1 to 3As shown, it includes an upper plate 1 and a lower plate 2 stacked on top of each other. The lower plate 2 can enhance the rebound strength of the aluminum rod against the upper plate 1 during each extrusion. The top of the upper plate 1 is respectively provided with a long thin edge feeding chamber 3 and a thick edge feeding chamber that are arranged downwards. The long thin edge feeding chamber 3 and the thick edge feeding chamber are arranged perpendicular to each other. The thick edge feeding chamber has a double-layer stepped structure to prevent the rapid flow of aluminum alloy.

[0017] The thick-edge feeding chamber is provided with cylindrical feeding holes 4 at the four corners, which can speed up the feeding speed at the corners of the thick-edge feeding chamber.

[0018] The thick-edge feeding chamber includes an upper feeding chamber 5 and a lower feeding chamber 6 that protrudes inward from the upper feeding chamber 5. The upper feeding chamber 5 is located above the lower feeding chamber 6, and the upper feeding chamber 5 and the lower feeding chamber 5 are arranged in a stepped structure.

[0019] Specifically, the lower feed chamber 6 is formed by a protrusion block located on the lower inner side of the upper feed chamber 5, and the position of the protrusion block is set to avoid the position of the cylindrical feed hole 4.

[0020] The upper plate 1 is also equipped with a working belt to ensure the shape of the aluminum profile. The working belt includes a thin-edge working belt 7 located below the long thin-edge feeding chamber 3 and a thick-edge working belt 8 located below the thick-edge feeding chamber.

[0021] The thickness of the thick-edge working zone 8 is greater than that of the thin-edge working zone 7, so that the aluminum alloy material gradually transitions from the thick-edge working zone to the thin-edge working zone, ensuring that the flow rate of the two working zones is evenly distributed.

[0022] The upper plate 1 and lower plate 2 located below the working belt are respectively provided with discharge ports in the center, which facilitates discharge after extrusion molding.

[0023] The long thin-side feeding chamber 3 has a symmetrical structure on both sides, and the long thin-side feeding chamber 3 has a gradually expanding structure from the center to the outside.

[0024] In this embodiment, the outermost width of the long thin-side feed chamber 3 is twice the width of the long side of the molded product, the thickness of the thick-side working belt is 6mm, which is 70% shorter than the conventional one, and the thin-side working belt is designed to be 2.5mm, so that the two flow rates of the thick and thin parts of the product are extruded evenly.

[0025] The working principle of this utility model is as follows: First, the double-layered stepped feed chamber slows down the flow of profile material towards the thick edge working zone near the center of the mold, preventing the thick edge from flowing too fast while the long edge flows too slowly, which would result in uneven product forming.

[0026] Meanwhile, the cylindrical feed holes at the four corners of the thick-edge feed chamber ensure that the flow velocity at the corners and the center of the thick-edge feed chamber remains consistent, thus ensuring uniform feeding of the thick-edge feed chamber itself.

[0027] Secondly, by setting the thickness of the thick-edge working strip to be greater than that of the thin-edge working strip, when the flow rate of the thick-edge strip is still too fast after adjustment, the profile of the thick-edge working strip can be transitioned to the thin-edge working strip, further ensuring the uniform distribution of profile flow in the thick-edge and thin-edge working strips.

[0028] This utility model provides a soft aluminum profile mold. By setting the feed chamber of the thick side as a double-layer stepped structure, the feed flow rate of the thick side is reduced, making it consistent with the feed flow rate of the feed chamber of the long thin side. The cylindrical feed holes at the four corners of the feed chamber of the thick side ensure the uniformity of the flow distribution of the feed chamber itself, thereby ensuring the quality of product forming and avoiding vibration marks on the profile surface. In addition, the thickness of the working belt of the thick side is greater than that of the working belt of the thin side. When the flow rate is adjusted by the stepped structure, the flow rate of the thick side is still very fast. Therefore, the aluminum alloy material in the working belt of the thick side can gradually transition to the working belt of the thin side, further ensuring the uniformity of the flow distribution.

Claims

1. A mold for soft aluminum profiles, characterized in that: The upper plate (1) and lower plate (2) are stacked on top of each other. The top of the upper plate (1) is provided with a long thin-side feeding chamber (3) and a thick-side feeding chamber that are set downwards. The long thin-side feeding chamber (3) and the thick-side feeding chamber are set perpendicular to each other. The thick-side feeding chamber is a double-layer stepped structure that prevents the aluminum alloy from flowing rapidly. The four corners of the thick-side feeding chamber are provided with cylindrical feeding holes (4) to accelerate the feeding speed at the corners of the thick-side feeding chamber. The upper plate (1) is also provided with a working belt. The upper plate (1) and lower plate (2) located below the working belt are respectively provided with discharge ports at their centers.

2. The soft aluminum profile mold according to claim 1, characterized in that: The thick-edge feeding chamber includes an upper feeding chamber (5) and a lower feeding chamber (6) that protrudes inward from the upper feeding chamber (5). The upper feeding chamber (5) is located above the lower feeding chamber (6).

3. The soft aluminum profile mold according to claim 2, characterized in that: The lower feed chamber (6) is formed by a protrusion block located on the lower inner side of the upper feed chamber (5), and the position of the protrusion block is set to avoid the position of the cylindrical feed hole (4).

4. The soft aluminum profile mold according to claim 1, characterized in that: The working belt includes a thin-edge working belt (7) disposed below the long thin-edge feeding chamber (3) and a thick-edge working belt (8) disposed below the thick-edge feeding chamber, wherein the thickness of the thick-edge working belt (8) is greater than the thickness of the thin-edge working belt (7).

5. A soft aluminum profile mold according to claim 1, characterized in that: The long thin-side feeding cavity (3) is a structure with symmetrical arrangement on both sides, and the long thin-side feeding cavity (3) has a gradually expanding structure from the center to the outside.

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