Sprue anti-blocking flow guide structure of automobile aluminum alloy die-casting die

Abstract

The invention discloses an automobile aluminum alloy die-casting die sprue anti-blocking flow guide structure which comprises a die mechanism, the die mechanism comprises a forming die, an assembling cavity is formed in the upper end of the forming die in a penetrating mode, and a bottom mounting cavity is formed in the lower end of the assembling cavity. Through the arrangement of the insertion cavity, the injection port is inserted into the insertion cavity during die-casting production, and the electric heating assembly can be started to heat the injection port during pressure maintaining, so that the temperature of an aluminum alloy solution in the injection port is different from that of an aluminum alloy solution in the forming cavity, the solution in the injection port is prevented from being solidified, and blockage is avoided; the electric heating device is simple in structure and easy to use, the bottom rubbing disc and the flow guide column are arranged in a split mode, the electric heating assembly can be conveniently disassembled and assembled, maintenance and use are facilitated, the electric heating assembly is separated from the outside in this way, collision and damage can be avoided, and meanwhile the inserting cavity is formed to limit the material injection opening, and use stability is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of die casting, in particular to a pouring gate anti-blocking flow guide structure of an automobile aluminum alloy die casting mold. BACKGROUND

[0002] Die casting is the abbreviation of pressure casting. It is a method of filling the die casting mold cavity with liquid or semi-liquid metal under high pressure at high speed and rapidly solidifying under pressure to obtain a casting. In die casting, a die casting mold is used for cooperation. According to different products, the mold is also different. In automobile production, it is mostly used for the production and use of aluminum alloy products.

[0003] In the prior art, the die casting mold gate is the feed port. In order to cooperate with the pressure assembly, a gate sleeve needs to be installed in the gate for cooperation. During die casting processing, the injection port will stay in the gate sleeve for a period of time for pressure maintaining operation and to make the aluminum alloy cool and solidify. In this way, residues are easily left in the gate sleeve, and part of the aluminum alloy solution in the injection port will also solidify, causing blockage. The injection port needs to be heated before each die casting, which increases energy consumption and is inconvenient to use. SUMMARY

[0004] The purpose of the present application is to provide a pouring gate anti-blocking flow guide structure of an automobile aluminum alloy die casting mold to solve the problem of residues left in the gate sleeve and part of the aluminum alloy solution in the injection port solidifying to cause blockage during die casting processing, which requires heating the injection port before each die casting, resulting in increased energy consumption and inconvenience in use.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a pouring gate anti-blocking flow guide structure of an automobile aluminum alloy die casting mold, comprising a mold mechanism, the mold mechanism comprising a forming mold, an assembly cavity being formed through the upper end of the forming mold, a bottom assembly cavity being formed at the lower end of the assembly cavity, a forming cavity being formed at the lower end of the forming mold, a gate sleeve mechanism being arranged inside the assembly cavity, the gate sleeve mechanism comprising an assembly end disc, a bottom disc being fixedly connected to the lower end of the assembly end disc, a flow guide column being arranged at the lower end of the bottom disc, the flow guide column and the bottom disc being inserted into the assembly cavity, an injection channel being formed through the inside of the flow guide column, an insertion cavity being formed through the middle of the bottom disc, an assembly bottom groove being formed at the lower end of the bottom disc, an electric heating assembly being installed inside the assembly bottom groove, an assembly bottom ring being fixedly connected to the lower end of the flow guide column, the assembly bottom ring being clamped with the bottom assembly cavity, and the insertion cavity being communicated with the injection channel.

[0006] Preferably, the inside of the assembly cavity is fixedly connected with a limiting guide rod, the outer surface of the guide column is provided with a guide groove, the lower end of the bottom disc is fixedly connected with a reinforcing insertion rod, the reinforcing insertion rod is inserted with the guide groove, and the guide groove is inserted with the limiting guide rod.

[0007] Preferably, the two sides of the upper end of the assembly end disc are provided with side notches, the lower end of the side notch is provided with a No. 3 mounting hole, the upper end of the forming die and the outside of the assembly cavity are provided with a No. 1 threaded hole, and the No. 1 threaded hole is in communication with the No. 3 mounting hole.

[0008] Preferably, the two sides of the assembly end disc are provided with side flat grooves.

[0009] Preferably, the upper end of the insertion cavity is provided with an end cavity, the inside of the end cavity is provided with an end assembly disc, and the upper end of the end assembly disc is fixedly connected with a connecting port.

[0010] Preferably, the upper end of the end assembly disc is provided with a No. 1 mounting hole, the lower end of the end cavity is provided with a No. 2 threaded hole, a fastening bolt is arranged between the No. 1 mounting hole and the No. 2 threaded hole, and the fastening bolt is in threaded connection with the No. 2 threaded hole.

[0011] Preferably, the end cavity and the insertion cavity are provided with an airflow channel, the airflow channel is arranged to be inclined, and the airflow channel is tangent to the insertion cavity.

[0012] Preferably, the inside of the end assembly disc and the two sides of the No. 1 mounting hole are fixedly connected with reinforcing ribs, and the lower end of the reinforcing rib is fixedly connected with a bottom notch.

[0013] Preferably, the upper end of the guide column is fixedly connected with a threaded rod, the inside of the bottom disc is provided with a No. 2 mounting hole, and the threaded rod is provided with a nut and passes through the No. 2 mounting hole.

[0014] Compared with the prior art, the present application has the following advantages: 1、In the present application, through the setting of the insertion cavity, when pressure casting production is carried out, the injection port is inserted into the insertion cavity, the electric heating assembly is turned on when pressure maintaining is carried out, and the injection port is heated in this way, so that the temperature of the aluminum alloy solution in the injection port is different from that of the aluminum alloy solution in the forming cavity, so as to avoid the solidification of the solution in the injection port and avoid blockage, and the use is relatively simple, through the split setting of the bottom disc and the guide column, the electric heating assembly can be conveniently disassembled and installed, so as to facilitate maintenance and use, and in this way, the electric heating assembly is separated from the outside, so as to avoid bumping and damage, and through the setting of the insertion cavity, the injection port is limited, and the stability of use is ensured.

[0015] 2. In this invention, the position of the guide column is restricted by the setting of the limiting guide rod, so as to facilitate the positioning and connection between the bottom plate and the guide column. The side flat groove makes the outer edge of the assembly end plate flat, so as to facilitate gripping and thus facilitate installation and use. The connection strength between the bottom plate and the guide column is increased by the insertion setting of the reinforcing rod and the guide groove, ensuring the connection stability.

[0016] 3. In this invention, the airflow channel is designed with an inclination, and the high-pressure airflow blown out by the inclination can blow out the aluminum alloy attached to the injection channel, avoiding the accumulation of aluminum alloy and ensuring the production qualification rate of aluminum alloy parts. The end plate and end cavity are designed separately, forming an air cavity between them, so that the air pressure ejected from the airflow channel is equal and synchronized, and it is also convenient for subsequent cleaning. The reinforcing ribs are used to increase the strength of the end plate and prevent deformation during installation. The bottom groove allows airflow to flow, ensuring that airflow can flow in each airflow channel. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of an anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to the present invention. Figure 1 ; Figure 2 This is a three-dimensional structural diagram of an anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the internal structure of the mold mechanism in the anti-clogging flow guide structure of the gate of an automotive aluminum alloy die-casting mold according to the present invention; Figure 4 This is a three-dimensional structural diagram of the gate sleeve mechanism in the anti-clogging flow guide structure of the gate of an automotive aluminum alloy die-casting mold according to the present invention. Figure 5 This is an exploded view of the gate sleeve mechanism in the gate anti-clogging guide structure of an automotive aluminum alloy die-casting mold according to the present invention; Figure 6 This is a schematic diagram of the internal structure of the gate sleeve mechanism in the gate anti-clogging guide structure of an automotive aluminum alloy die-casting mold according to the present invention; Figure 7 This is a three-dimensional structural diagram of the assembly end plate in the anti-clogging flow guide structure of the gate of an automotive aluminum alloy die-casting mold according to the present invention. Figure 1 ; Figure 8 This is a three-dimensional structural diagram of the assembly end plate in the anti-clogging flow guide structure of the gate of an automotive aluminum alloy die-casting mold according to the present invention. Figure 2 ; Figure 9 This is a top cross-sectional view of the guide column in the anti-clogging guide structure of the gate of an automotive aluminum alloy die-casting mold according to the present invention; Figure 10 It is a three-dimensional structure schematic diagram of end plate of a middle end of a gate anti-blocking flow guide structure of an automobile aluminum alloy die-casting die.

[0018] In the figure: 1, die mechanism; 11, forming die; 12, assembly cavity; 13, No. 1 threaded hole; 14, limiting guide rod; 15, bottom assembly cavity; 16, forming cavity; 2, gate sleeve mechanism; 21, assembly end plate; 22, end plate; 23, assembly bottom ring; 24, injection channel; 25, side flat groove; 26, side slot; 27, bottom plate; 28, flow guide column; 29, guide slot; 210, connecting port; 211, insertion cavity; 212, fastening bolt; 213, No. 1 mounting hole; 214, No. 2 mounting hole; 215, reinforcing insertion rod; 216, electric heating assembly; 217, threaded rod; 218, end cavity; 219, No. 3 mounting hole; 220, bottom slot; 221, airflow channel; 222, assembly bottom groove; 223, No. 2 threaded hole; 224, reinforcing rib. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0020] Embodiment one: refer to Figure 1 - Figure 9 As shown: a gate anti-blocking flow guide structure of an automobile aluminum alloy die-casting die, comprising a die mechanism 1, the die mechanism 1 comprising a forming die 11, the upper end of the forming die 11 being provided with an assembly cavity 12, the lower end of the assembly cavity 12 being provided with a bottom assembly cavity 15, the lower end of the forming die 11 being provided with a forming cavity 16, the interior of the assembly cavity 12 being provided with a gate sleeve mechanism 2, the gate sleeve mechanism 2 comprising an assembly end plate 21, the lower end of the assembly end plate 21 being fixedly connected with a bottom plate 27, the lower end of the bottom plate 27 being provided with a flow guide column 28, the flow guide column 28 and the bottom plate 27 being inserted with the assembly cavity 12, the interior of the flow guide column 28 being provided with an injection channel 24, the middle of the bottom plate 27 being provided with an insertion cavity 211, the lower end of the bottom plate 27 being provided with an assembly bottom groove 222, the interior of the assembly bottom groove 222 being provided with an electric heating assembly 216, the lower end of the flow guide column 28 being fixedly connected with an assembly bottom ring 23, the assembly bottom ring 23 being clamped with the bottom assembly cavity 15, the insertion cavity 211 being communicated with the injection channel 24.

[0021] In the application, by setting the insertion cavity 211, when die casting production is carried out, the injection port is inserted into the insertion cavity 211, and when pressure holding is carried out, the electric heating assembly 216 is turned on to heat the injection port. In this way, the temperature of the aluminum alloy solution in the injection port is different from that of the aluminum alloy solution in the molding cavity 16, so as to avoid the solidification of the solution in the injection port and avoid blockage. The use is simple, the bottom disc 27 and the flow guide column 28 are separately arranged, which facilitates the disassembly and installation of the electric heating assembly 216, and facilitates the maintenance and use. In this way, the electric heating assembly 216 is separated from the outside world, so as to avoid bumping and damage. At the same time, the insertion cavity 211 is arranged to limit the injection port, so as to ensure the stability of use.

[0022] Embodiment two: Figure 1 Figure 7 As shown, the inside of the assembly cavity 12 is fixedly connected with a limiting guide rod 14, the outer surface of the flow guide column 28 is provided with a guide groove 29, the lower end of the bottom disc 27 is fixedly connected with a reinforcing insertion rod 215, the reinforcing insertion rod 215 is inserted with the guide groove 29, the guide groove 29 is inserted with the limiting guide rod 14, the both sides of the upper end of the assembly end disc 21 are provided with side slot openings 26, the lower end of the side slot openings 26 is provided with No. three mounting holes 219, the upper end of the molding mold 11 and the outside of the assembly cavity 12 is provided with a No. one threaded hole 13, the No. one threaded hole 13 is communicated with the No. three mounting holes 219, and the both sides of the assembly end disc 21 are provided with side flat grooves 25.

[0023] In the application, by setting the limiting guide rod 14, the position of the flow guide column 28 is limited, so as to facilitate the positioning connection between the bottom disc 27 and the flow guide column 28. By setting the side flat grooves 25, the outer edge of the assembly end disc 21 has a flat surface, so as to facilitate holding, thereby facilitating installation and use. By inserting the reinforcing insertion rod 215 with the guide groove 29, the connection strength between the bottom disc 27 and the flow guide column 28 is increased, and the connection stability is ensured.

[0024] Embodiment three: according to Figure 1 Figure 10 ​​As shown, the upper end of the insertion cavity 211 is provided with an end cavity 218, the inside of the end cavity 218 is provided with an end mounting disc 22, the upper end of the end mounting disc 22 is fixedly connected with a connecting port 210, the upper end of the end mounting disc 22 is provided with a first mounting hole 213, the lower end of the end cavity 218 is provided with a second threaded hole 223, the fastening bolt 212 is arranged between the first mounting hole 213 and the second threaded hole 223, the fastening bolt 212 is in threaded connection with the second threaded hole 223, the airflow channel 221 is arranged between the end cavity 218 and the insertion cavity 211, the airflow channel 221 is arranged in an inclined manner, and the airflow channel 221 is tangent to the insertion cavity 211, the inside of the end mounting disc 22 and on both sides of the first mounting hole 213 are fixedly connected with reinforcing ribs 224, the lower end of the reinforcing rib 224 is fixedly connected with a bottom groove 220, the upper end of the flow guide column 28 is fixedly connected with a threaded rod 217, the inside of the bottom disc 27 is provided with a second mounting hole 214, the threaded rod 217 is arranged in the second mounting hole 214 and provided with a nut, and the connecting port 210 is used for connecting a high-pressure gas supply device.

[0025] In the present application, the airflow channel 221 is arranged, arranged in an inclined manner, and the high-pressure airflow blows in an inclined manner, so that the aluminum alloy attached in the injection channel 24 can be blown out, the accumulation of aluminum alloy is avoided, the production qualified rate of the aluminum alloy part is ensured, the end mounting disc 22 and the end cavity 218 are arranged in a split design, a gas cavity is formed between the end mounting disc 22 and the end cavity 218, so that the gas pressure sprayed by the airflow channel 221 is equal, synchronous, and convenient for subsequent cleaning, the reinforcing rib 224 is arranged to increase the strength of the end mounting disc 22, so that deformation does not occur during installation, and the bottom groove 220 is arranged to make the airflow flow, so that the airflow in each airflow channel 221 can flow.

[0026] The use method and working principle of the device are as follows: when the nozzle sleeve mechanism 2 and the mold mechanism 1 are installed, the guide groove 29 is connected with the limiting guide rod 14, the flow guide column 28 is moved, the bottom mounting cavity 15 is connected with the assembly bottom ring 23, the electric heating assembly 216 is installed in the assembly bottom groove 222, then the second mounting hole 214 is connected with the threaded rod 217, the assembly end disc 21 is pushed to move, until the guide groove 29 is connected with the reinforced insertion rod 215, and the lower end of the bottom disc 27 is in contact with the upper end of the flow guide column 28, the bolt is used to pass through the third mounting hole 219 and is connected with the first threaded hole 13, so that the connection of the flow guide column 28 and the forming mold 11 is completed, then the nut is used to connect with the threaded rod 217, the bottom disc 27 and the flow guide column 28 are installed and fixed, the end mounting disc 22 is arranged in the end cavity 218, the fastening bolt 212 is arranged through the first mounting hole 213 and the second threaded hole 223, the connecting port 210 is connected with the high-pressure gas supply device, and the installation is completed. When the gas pressure aluminum alloy part is pressure cast, the injection port of the pressure casting machine is inserted into the insertion cavity 211 and the end is connected with the injection channel 24, the injection port injects the aluminum alloy solution into the forming cavity 16, after the injection is completed, the pressure maintaining operation is carried out, at this time, the electric heating assembly 216 is opened to heat the injection port to avoid the aluminum alloy solution from being condensed, after the automobile aluminum alloy workpiece is condensed, the injection port is extracted, but the end is still retained in the insertion cavity 211 and is located above the lower end of the airflow channel 221, the high pressure gas supply equipment is started to make the airflow channel 221 spray the gas, the mold is opened, the residual aluminum alloy part in the injection channel 24 is sprayed out and the demolding is assisted.

[0027] Although the present application has been described in detail with reference to the foregoing embodiments, technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalent ones by those skilled in the art, and 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 gate anti-clogging guide structure for automotive aluminum alloy die-casting molds, comprising a mold mechanism (1), characterized in that: The mold mechanism (1) includes a forming mold (11), an assembly cavity (12) is provided through the upper end of the forming mold (11), a bottom assembly cavity (15) is provided at the lower end of the assembly cavity (12), a forming cavity (16) is provided at the lower end of the forming mold (11), a sprue sleeve mechanism (2) is provided inside the assembly cavity (12), the sprue sleeve mechanism (2) includes an assembly end plate (21), a bottom mounting plate (27) is fixedly connected to the lower end of the assembly end plate (21), a guide column (28) is provided at the lower end of the bottom mounting plate (27), and the guide column (28) is provided with a guide column (28). 8) Both the bottom plate (27) and the bottom plate are inserted into the assembly cavity (12). The inside of the guide column (28) is provided with a material injection channel (24). The middle part of the bottom plate (27) is provided with an insertion cavity (211). The bottom plate (27) is provided with an assembly bottom groove (222). An electric heating component (216) is installed inside the assembly bottom groove (222). The bottom of the guide column (28) is fixedly connected to an assembly bottom ring (23). The assembly bottom ring (23) is engaged with the bottom assembly cavity (15). The insertion cavity (211) is connected to the material injection channel (24).

2. The anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to claim 1, characterized in that: The assembly cavity (12) is fixedly connected to a limiting guide rod (14), the outer surface of the flow guide column (28) is provided with a guide groove (29), the lower end of the bottom plate (27) is fixedly connected to a reinforcing insert rod (215), the reinforcing insert rod (215) is inserted into the guide groove (29), and the guide groove (29) is inserted into the limiting guide rod (14).

3. The anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to claim 2, characterized in that: The upper end of the assembly end plate (21) is provided with side slots (26) on both sides. The lower end of the side slots (26) is provided with a No. 3 mounting hole (219). The upper end of the forming mold (11) and the outer side of the assembly cavity (12) is provided with a No. 1 threaded hole (13). The No. 1 threaded hole (13) is connected to the No. 3 mounting hole (219).

4. The anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to claim 3, characterized in that: The assembly end plate (21) has side grooves (25) on both sides.

5. The anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to claim 4, characterized in that: The upper end of the insertion cavity (211) is provided with an end cavity (218), and an end plate (22) is installed inside the end cavity (218). The upper end of the end plate (22) is fixedly connected to a connection port (210).

6. The anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to claim 5, characterized in that: The upper end of the end plate (22) is provided with a first mounting hole (213), and the lower end of the end cavity (218) is provided with a second threaded hole (223). A fastening bolt (212) is installed between the second threaded hole (223) and the first mounting hole (213), and the fastening bolt (212) is threadedly connected to the second threaded hole (223).

7. The anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to claim 6, characterized in that: An airflow channel (221) is provided between the end cavity (218) and the insertion cavity (211). The airflow channel (221) is inclined and tangent to the insertion cavity (211).

8. The anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to claim 7, characterized in that: The end plate (22) is fixedly connected with reinforcing ribs (224) on both sides of the first mounting hole (213), and the bottom groove (220) is fixedly connected to the lower end of the reinforcing ribs (224).

9. The anti-clogging flow guiding structure for the gate of an automotive aluminum alloy die-casting mold according to claim 1, characterized in that: The upper end of the guide column (28) is fixedly connected to a threaded rod (217), and the bottom plate (27) has a second mounting hole (214) through it. The threaded rod (217) passes through the second mounting hole (214) and is fitted with a nut.

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