Automobile flange die-casting die

Abstract

The utility model provides an automobile flange die-casting die which comprises a first die holder and a second die holder, a sealing die is arranged in the middle of the surface of the first die holder, a forming die is arranged in the middle of the surface of the second die holder, a flange cavity is formed in the surface of the forming die, and when the first die holder and the second die holder are combined, the flange cavity is sealed by the sealing die. An annular containing groove is coaxially formed in the side, away from the sealing die, in the flange cavity, an annular limiting seat is contained in the annular containing groove, a middle die body is coaxially arranged on the side, facing the sealing die, of the annular limiting seat, a supporting shaft is coaxially installed on the side, away from the sealing die, of the annular limiting seat, and the supporting shaft is movably arranged in the second die base and the forming die. A telescopic driving device is arranged on the side, away from the forming die, of the second die base. When the flange forming die is used, after the first die holder is separated from the second die holder, a flange is formed in the flange cavity, at the moment, the telescopic mechanism extends to drive the supporting shaft to eject the flange out of the flange cavity and then the flange can be removed, and the flange can be conveniently picked up.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange mould technical field, concretely is a kind of automobile flange die casting die. BACKGROUND

[0002] Automobile flange is the part for connecting pipe fittings on automobile, and the main function is to fix and seal the joint of pipe fittings. It is usually located at the end of pipe fittings, and its shape is similar to disc, with holes for fixing around the periphery, and bolts can be used to connect two flanges tightly through these holes.

[0003] With the development of technology, automobile flange is also produced by die casting, and the size precision of die casting production is usually high, and the structural strength of flange produced by die casting is further improved. However, the metal liquid generates tension force in the mold after cooling, which makes it difficult to take out the automobile flange die casting die after die casting forming, resulting in that it remains in the mold. Therefore, we propose a kind of automobile flange die casting die. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of automobile flange die casting die, with the advantage that the flange after forming is easily ejected, and the problem in the above background technology is solved.

[0005] The technical scheme of the utility model is realized as follows: a kind of automobile flange die casting die is designed, including first die holder and second die holder, first die holder surface middle part is equipped with sealing die, second die holder surface middle part is equipped with forming die, forming die surface is equipped with flange cavity, when first die holder and second die holder are combined, flange cavity is sealed by sealing die, coaxially arranged annular accommodating groove is arranged on the side of flange cavity away from sealing die, annular limiting seat is contained in annular accommodating groove, coaxially arranged intermediate die body is arranged on the side of annular limiting seat facing sealing die, coaxially mounted support shaft is arranged on the side of annular limiting seat away from sealing die, support shaft is movably arranged in second die holder and forming die, second die holder is provided with telescopic driving device on the side away from forming die, and telescopic driving device is connected with support shaft.

[0006] Preferably, the telescopic driving device includes a support seat detachably arranged on the side surface of the second die holder, and a telescopic mechanism is mounted on the support seat. The free end of the telescopic mechanism is coaxially connected with the support shaft.

[0007] Preferably, the free end of the telescopic mechanism and the end of the support shaft close to each other are both provided with a connecting seat, and the two connecting seats are detachably connected.

[0008] Preferably, the edges of the forming die and the sealing die away from each other are both provided with a connecting edge, and the connecting edges are detachably connected with the first die holder and the second die holder respectively.

[0009] Preferably, the first die holder and the second die holder are provided with heating cavities in the middle of the side close to each other, the heating cavities are located in the space surrounded by the connecting edges, and the heating cavities are provided with heaters, and the two wiring ends of the heaters respectively extend to the outside of the first die holder and the second die holder.

[0010] Preferably, the heating cavities are provided with temperature detection probes, and the wiring ends of the temperature detection probes respectively extend to the outside of the first die holder and the second die holder.

[0011] Preferably, the sealing die is provided with a die casting port in communication with the flange type cavity, and the edge of the forming die is provided with a gas outlet hole in communication with the flange type cavity.

[0012] Preferably, the flange type cavity is further provided with a plurality of cylindrical die bodies away from the sealing die, and the cylindrical die bodies are arranged at intervals around the annular accommodating groove.

[0013] Compared with the prior art, in use, the first die holder is separated from the second die holder, the flange is formed in the flange type cavity, and then the flange can be removed after the telescopic mechanism is elongated to drive the supporting shaft to eject the flange from the flange type cavity, so that the flange is conveniently picked up. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 Structure diagram of the present application Figure 1 .

[0016] Figure 2 Structure diagram of the present application Figure 2 .

[0017] Figure 3 Structure diagram of the second die holder of the present application.

[0018] Figure 4 Structure diagram of the first die holder of the present application.

[0019] Figure 5 Cross-sectional view of the present application Figure 1 .

[0020] Figure 6 Cross-sectional view of the present application Figure 2 .

[0021] In the figure: 1, the first die holder; 2, the heater; 3, the temperature detection probe; 4, the middle die body; 5, the flange cavity; 6, the annular accommodating groove; 7, the connecting edge; 8, the second die holder; 9, the support seat; 10, the telescopic mechanism; 11, the annular limiting seat; 12, the forming die; 13, the support shaft; 14, the connecting seat; 15, the sealing die; 16, the air outlet hole; 17, the heating cavity; 18, the cylindrical die body; 19, the die casting port. DETAILED DESCRIPTION

[0022] The technical scheme of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Reference Figures 1 to 6 The present application provides a technical scheme: a flange die casting die for an automobile, which comprises a first die holder 1 and a second die holder 8, as shown in Figure 1 and Figure 2 shown, mounting holes are arranged at the edges of the first die holder 1 and the second die holder 8, the mounting holes are connected to a die casting machine through bolts in actual use, and mounting grooves are arranged at the mounting holes, which are used for hiding the bolts or nuts.

[0024] As shown in Figure 1 , a sealing die 15 is arranged at the middle part of the surface of the first die holder 1, and a forming die 12 is arranged at the middle part of the surface of the second die holder 8. The surface of the forming die 12 is provided with a flange cavity 5, which is consistent in shape with the flange to be produced, as shown in Figure 6 When the first die holder 1 and the second die holder 8 are combined, the flange cavity 5 is sealed by the sealing die 15, that is, the sealing die 15 is tightly attached to the surface of the forming die 12.

[0025] The sealing die 15 and the forming die 12 are detachable, that is, the edges of the forming die 12 and the sealing die 15 away from each other are provided with connecting edges 7, which are detachably connected to the first die holder 1 and the second die holder 8, specifically, the connecting edges 7 are fastened to the surfaces of the first die holder 1 and the second die holder 8 through bolts.

[0026] In actual production, the die casting die needs to be heated to a certain heat, otherwise the metal liquid cannot flow in the die. Therefore, heating cavities 17 are arranged at the middle parts of the sides of the first die holder 1 and the second die holder 8 away from each other, and the heating cavities 17 are located in the space surrounded by the connecting edges 7, that is, the connecting edges 7 cover the heating cavities 17.

[0027] As shown in Figure 3 and Figure 4As shown in the drawings, the heating cavity 17 is provided with a heater 2, the heater 2 is a curved heating rod, and the two wire ends of the heater 2 respectively extend to the outside of the first mold base 1 and the second mold base 8, so that the heater 2 is conveniently wired. In order to facilitate temperature control of the mold, a temperature detection probe 3 is also arranged in the heating cavity 17, and the wire end of the temperature detection probe 3 also extends to the outside of the first mold base 1 and the second mold base 8, so that the temperature detection probe 3 is conveniently wired;

[0028] The die casting mold provided in the present application is only a part of the die casting machine. In use, the temperature detection probe 3 and the heater 2 are connected to the operation system of the die casting machine, so that the die casting machine system automatically controls the heating of the heater, and the temperature detection probe 3 feeds back the temperature information detected in real time, so that constant temperature control can be realized.

[0029] Further, the metal solution in the outside world enters the flange cavity 5 inside the flange cavity 5 in the following way, as shown in Figure 2 and Figure 4 As shown, the sealing mold 15 is provided with a die casting port 19 communicated with the flange cavity 5. As shown in Figure 1 , Figure 5 and Figure 6 As shown, the edge of the forming mold 12 is provided with a gas outlet hole 16 communicated with the flange cavity 5. The metal solution is die cast into the flange cavity 5 through the die casting port 19, and the excess metal solution and the gas in the flange cavity 5 are discharged from the gas outlet hole 16.

[0030] Further, the most important thing of the present application is that the flange formed in the flange cavity 5 can be ejected, that is, a ring-shaped accommodating groove 6 is coaxially arranged on the side of the flange cavity 5 away from the sealing mold 15, a ring-shaped limiting seat 11 is arranged in the ring-shaped accommodating groove 6, and a middle mold body 4 is coaxially arranged on the side of the ring-shaped limiting seat 11 facing the sealing mold 15. It should be noted that the middle part of the flange is provided with a hole, so the shape of the middle mold body 4 is consistent with the shape of the hole in the middle part of the flange, which can be square, round or other special-shaped;

[0031] As shown in Figure 3 The supporting shaft 13 is coaxially installed on the side of the ring-shaped limiting seat 11 away from the sealing mold 15, and the supporting shaft 13 is movably arranged in the second mold base 8 and the forming mold 12, that is, the supporting shaft 13 is clearance-fitted in the second mold base 8 and the forming mold 12, and the ring-shaped accommodating groove 6 is also clearance-fitted with the ring-shaped limiting seat 11. The clearance-fitted tolerance can avoid liquid leakage;

[0032] The second mold base 8 is provided with a telescopic driving device on the side away from the forming mold 12, and the telescopic driving device is connected with the supporting shaft 13, as shown in Figure 2As shown, the telescopic driving device comprises a supporting seat 9 detachably arranged on the side of the second mold base 8, specifically the end of the supporting seat 9 is fastened with the side of the second mold base 8 through bolts, the telescopic mechanism 10 is installed on the supporting seat 9, the telescopic mechanism 10 is one of a pneumatic cylinder, an electric cylinder or a hydraulic cylinder, the free end of the telescopic mechanism 10 is coaxially connected with the supporting shaft 13, specifically a connecting seat 14 is arranged on the end of the free end of the telescopic mechanism 10 and the supporting shaft 13 which are close to each other, the two connecting seats 14 are detachably connected, specifically the two connecting seats 14 are fastened through bolts.

[0033] Further, the flange edge in reality is also provided with mounting holes, such as Figure 3 As shown, a plurality of columnar mold bodies 18 are arranged on the side of the flange cavity 5 away from the sealing mold 15, the columnar mold bodies 18 are arranged at intervals around the annular accommodating groove 6, the position and size of the columnar mold bodies 18 correspond to the flange to be produced, such as Figure 6 As shown, when the first mold base 1 and the second mold base 8 are combined, that is, after the mold is closed, the intermediate mold body 4 and the columnar mold body 18 are flush with the opening of the flange cavity 5, when the flange cavity 5 is sealed by the sealing mold 15, the intermediate mold body 4 and the columnar mold body 18 are in seamless contact with the surface of the sealing mold 15.

[0034] As described above, the demolding process of the present application is, as shown, Figure 5 The second mold base 8 is a fine film, and the first mold base 1 is a moving mold, that is, the second mold base 8 is arranged on the machine tool without moving, while the first mold base 1 is driven by the machine tool to realize opening and closing, when the first mold base 1 is separated from the second mold base 8, the flange is formed in the flange cavity 5, at this time, the telescopic mechanism 10 is elongated to drive the supporting shaft 13 to eject the flange from the flange cavity 5, since the intermediate mold body 4 and the annular limiting seat 11 are arranged in steps, the flange is limited by the annular limiting seat 11, so that the flange will not be skewed during ejection.

[0035] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A die-casting mold for an automotive flange, comprising a first mold base (1) and a second mold base (8), characterized in that, The first mold base (1) has a sealing mold (15) in the middle of its surface, and the second mold base (8) has a forming mold (12) in the middle of its surface. The surface of the molding die (12) is provided with a flange cavity (5). When the first mold base (1) and the second mold base (8) are combined, the flange cavity (5) is sealed by the sealing die (15). An annular receiving groove (6) is coaxially provided on the side of the flange cavity (5) away from the sealing mold (15). An annular limiting seat (11) is placed inside the annular receiving groove (6). An intermediate mold body (4) is coaxially provided on the side of the annular limiting seat (11) facing the sealing mold (15). A support shaft (13) is coaxially installed on the side of the annular limiting seat (11) away from the sealing mold (15). The support shaft (13) is movably disposed in the second mold base (8) and the forming mold (12). The second mold base (8) is provided with a telescopic drive device on the side away from the forming mold (12), and the telescopic drive device is connected to the support shaft (13).

2. The automotive flange die-casting mold as described in claim 1, characterized in that, The telescopic drive device includes a support base (9) that can be detachably mounted on the side of the second mold base (8), and a telescopic mechanism (10) is mounted on the support base (9). The free end of the telescopic mechanism (10) is coaxially connected to the support shaft (13).

3. The automotive flange die-casting mold as described in claim 2, characterized in that, The free end of the telescopic mechanism (10) and the end of the support shaft (13) that are close to each other are provided with connecting seats (14), and the two connecting seats (14) can be detachably connected.

4. The automotive flange die-casting mold as described in claim 1, characterized in that, The molding mold (12) and the sealing mold (15) are provided with connecting edges (7) on the opposite sides of each other. The connecting edges (7) are detachably connected to the first mold base (1) and the second mold base (8) respectively.

5. The automotive flange die-casting mold as described in claim 4, characterized in that, A heating cavity (17) is provided in the middle of the side of the first mold base (1) and the second mold base (8) that are close to each other. The heating cavities (17) are all located in the space enclosed by the connecting edge (7). A heater (2) is provided inside the heating chamber (17), and the two terminals of the heater (2) extend to the outside of the first mold base (1) and the second mold base (8), respectively.

6. The automotive flange die-casting mold as described in claim 5, characterized in that, Temperature detection probes (3) are provided in the heating chamber (17), and the terminals of the temperature detection probes (3) extend to the outside of the first mold base (1) and the second mold base (8), respectively.

7. The automotive flange die-casting mold as described in claim 6, characterized in that, The sealing mold (15) has a die-casting port (19) on its side that communicates with the flange cavity (5), and an air outlet (16) that communicates with the flange cavity (5) is provided at the edge of the forming mold (12).

8. The automotive flange die-casting mold as described in claim 1, 3, or 7, characterized in that, On the side of the flange cavity (5) away from the sealing mold (15), there are also multiple cylindrical mold bodies (18), which are spaced apart around the annular receiving groove (6).

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