Damping tower die-casting die

By using a symmetrical flow channel and vacuum-designed damping tower die-casting mold, the problems of low production capacity and poor practicality of existing molds have been solved, achieving stable and rapid damping tower molding and high yield production.

CN224058680UActive Publication Date: 2026-03-31WUHU RUIHU AUTOMOBILE LIGHTWEIGHT TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing die-casting molds for shock absorber towers use a side-injection, one-to-one casting method, which results in low production capacity, high cost, and problems such as turbulence, poor filling continuity, coiling, and shrinkage cavities, making them less practical.

Method used

The symmetrical flow channels and inlet allow the molten aluminum to flow evenly into the cavity between the fixed and moving mold plates. Combined with vacuuming and flow divider cone design, the molten aluminum flows stably and forms. Quick-release plates and buffer pads are used to improve the stability and lifespan of the mold.

Benefits of technology

This technology enables stable and rapid prototyping of vibration damping towers, improves production capacity and product qualification rate, reduces costs and bubble defects, and enhances the practicality of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shock absorption tower die-casting die, which relates to the technical field of dies and comprises a fixed die top plate, a fixed die plate, a movable die plate and a movable die bottom plate, runner inserts are symmetrically arranged on the fixed die top plate, runners are arranged on the runner inserts, and a feed port communicated with the runners is arranged on the fixed die top plate. Molten aluminum enters the symmetrically-arranged flow channels through the feeding port in the fixed mold top plate, the molten aluminum in the flow channels flows into the cavity between the fixed mold plate and the movable mold plate to conduct shock absorption tower forming work, uniform flowing of the molten aluminum is achieved through the two symmetrical flow channels, and therefore stable forming of the two shock absorption towers is guaranteed, and practicability is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field especially relates to shock tower die casting die. BACKGROUND

[0002] Die casting is a metal casting process, which is characterized by applying high pressure to molten metal using a mold cavity. It is usually done on a dedicated die casting machine. The basic process is that the metal liquid first fills the pressure chamber and the flow channel at low speed, and then fills the mold cavity at high speed under high pressure. The characteristics are high speed and high pressure, which are particularly suitable for mass production of light metal castings. Die casting is the most widely used process among various casting processes.

[0003] Currently, most of the shock tower die casting molds in the die casting industry use a side pouring one-to-one method. This method results in low product capacity and the need to open two molds, leading to increased costs. Side pouring may cause flocculation flow and poor filling continuity. The two sides of the shock tower fill quickly, which may cause certain wrapping, shrinkage, and other phenomena.

[0004] For example, a semi-solid die casting mold for manufacturing a shock tower was disclosed in CN110666131A on January 10, 2020, which includes a concave die seat and a convex die seat. The convex die seat is equipped with a convex die core, and the concave die seat is equipped with a concave die core. A mold cavity is provided between the convex die core and the concave die core. The concave die seat is equipped with a sprue bushing and a sprue bushing locking plate. The sprue bushing communicates with the middle part of the mold cavity. The upper side of the concave die seat is equipped with a fixed plate, which is equipped with a sprue bushing butt joint seat. The sprue bushing butt joint seat is equipped with a straight flow channel. The upper side of the concave die seat is equipped with a water gate cutting assembly. The bottom of the convex die seat is equipped with a die foot, a ejector plate, and an ejector bottom plate. The ejector plate and the ejector bottom plate are equipped with an ejector pin. A plurality of sets of bucking machine assemblies are provided between the fixed plate, the concave die seat, and the convex die seat. The mold disclosed above can only perform molding work on a single shock tower, and has poor practicality. SUMMARY

[0005] The utility model discloses a shock tower die casting mold with higher practicality. The aluminum liquid in the feed inlet is uniformly flowed to the mold cavity between the fixed mold plate and the movable mold plate through the symmetrically arranged flow channel, which facilitates the flow of the aluminum liquid and has higher practicality.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that a shock tower die casting mold includes a fixed mold top plate, a fixed mold plate, a movable mold plate, and a movable mold bottom plate. The fixed mold top plate is symmetrically equipped with a flow channel insert. The flow channel insert is equipped with a flow channel. The fixed mold top plate is equipped with a feed inlet that communicates with the flow channel.

[0007] The fixed mold plate is equipped with a fixed mold core, which is equipped with a fixed mold insert. The fixed mold plate is equipped with a vacuum extraction device that communicates with the fixed mold core.

[0008] The movable mold core is provided with a flow distribution cone, and the movable mold plate is provided with an exhaust groove matched with vacuumizing.

[0009] The movable mold plate and the movable mold bottom plate are provided with a ejector rod pushing plate and an ejector rod plate, the ejector rod pushing plate is provided with a pull rod, the displacement end of the pull rod is connected with the ejector rod plate, and the ejector rod plate is provided with an ejector pin.

[0010] The ejector rod plate is provided with a supporting column and a positioning pin matched with the movable mold plate.

[0011] The movable mold plate and the movable mold bottom plate are further provided with a supporting block, and the supporting block is connected with the movable mold bottom plate.

[0012] The movable mold plate is provided with a guide column, and the fixed mold top plate and the fixed mold plate are provided with a guide groove matched with the guide column.

[0013] The fixed mold plate and the movable mold plate are provided with a quick insertion plate.

[0014] The fixed mold top plate is provided with a buffer gasket.

[0015] The beneficial effects of the utility model are as follows:

[0016] The molten aluminum enters the flow channel symmetrically arranged on the fixed mold top plate through the feeding port, the molten aluminum in the flow channel flows into the cavity between the fixed mold plate and the movable mold plate to perform the damping tower forming work, the uniform flow of the molten aluminum is realized through the two symmetric flow channels, so that the stable forming of the two damping towers is ensured, and the practicality is higher.

[0017] The molten aluminum flowing between the fixed mold plate and the movable mold plate realizes the stable flow of the molten aluminum into the movable mold and covers the movable mold insert, so that the quick and stable forming work of the damping tower is facilitated.

[0018] The exhaust groove and the vacuumizing are matched with each other, when the molten aluminum fills the whole compression chamber, the vacuumizing starts, the air in the compression chamber is exhausted, so that the air bubbles in the product are reduced, and the qualified rate of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the damping tower die casting mold.

[0020] Figure 2 It is a structure schematic view of the fixed mold top plate. Figure 1

[0021] Figure 3 It is a structure schematic view of the fixed mold plate. Figure 1

[0022] Figure 4 It is a structure schematic view of the movable mold plate.​​Figure 1 The schematic view of the movable die plate structure.

[0023] Figure 5 The support block and movable die bottom plate structure schematic view. Figure 1

[0024] Figure 6 The ejector pin plate and ejector pin structure schematic view. Figure 1

[0025] Figure 7 The ejector pin push plate structure schematic view. Figure 1

[0026] Figure 8 The product gasket molding structure schematic view. Figure 1

[0027] In the drawings: 1 - fixed die top plate, 2 - fixed die plate, 3 - movable die plate, 4 - support block, 5 - ejector pin plate, 6 - ejector pin push plate, 7 - movable die bottom plate, 8 - guide column, 9 - buffer gasket, 10 - runner insert, 11 - runner, 12 - feed port, 13 - vacuum extraction, 14 - fixed die core, 15 - fixed die insert, 16 - flow dividing cone, 17 - movable die insert, 18 - movable die core, 19 - exhaust groove, 20 - quick insert plate, 21 - ejector pin, 22 - support column, 23 - positioning pin, 24 - pull rod, 25 - guide sliding groove. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0030] As shown in Figure 1 The damping tower die-casting mold comprises a fixed die top plate 1, a fixed die plate 2, a movable die plate 3 and a movable die bottom plate 7, the fixed die top plate 1 is provided with a runner insert 10 symmetrically, the runner insert 10 is provided with a runner 11, the fixed die top plate 1 is provided with a feed port 12 in communication with the runner 11, specifically, the feed port 12 is arranged at the intermediate position of the two runners 11, and the cross section of the feed port is circular.

[0031] ​​​​In use, the whole damping tower mold is installed on the die casting mold, the fixed mold part and the movable mold part are in relative motion state, the movable mold part moves to the fixed mold part for the mold closing process; the movable mold part moves away from the fixed mold part for the mold opening process. The mold is installed on the die casting machine, the movable mold part, i.e. the movable mold plate 3 and the movable mold bottom plate 7 are installed on the movable mold plate of the die casting machine; the fixed mold part, i.e. the fixed mold top plate 1 and the fixed mold plate 2 are installed on the fixed mold plate of the die casting machine. When the product is produced, the movable mold part is driven to move in parallel by the mold bridge of the die casting machine until the mold closing is completed. After the mold closing, the fixed quantity furnace on the die casting machine works to make the aluminum liquid enter the flow channel 11 through the feeding port 12 on the fixed mold top plate 1. At this time, the aluminum liquid in the flow channel 11 flows into the cavity between the fixed mold plate 2 and the movable mold plate 3 to perform the forming work of the damping tower, and the aluminum liquid entering the feeding port 12 is stably flowed into the cavity through the two symmetrical flow channels 11, so that the stable forming work of the two damping towers is realized.

[0032] Referring to Figure 3 , the fixed mold plate 2 is provided with a fixed mold core 14, the fixed mold core 14 is provided with a fixed mold insert 15, the fixed mold plate 2 is provided with a vacuum pump 13 in communication with the fixed mold core 14, the aluminum liquid flowing into the fixed mold plate 2 enters the fixed mold core 14 to perform the forming work until the aluminum liquid fills the cavity of the fixed mold core 14. At this time, the air in the aluminum liquid is discharged through the vacuum pump 13, so that the stable forming work of the damping tower is facilitated. Specifically, two fixed mold inserts 15 are symmetrically arranged in the fixed mold core 14.

[0033] The movable mold plate 3 is provided with a movable mold core 18, the movable mold core 18 is provided with a movable mold insert 17, the movable mold insert 17 is provided with a flow dividing cone 16, the movable mold plate 3 is provided with an exhaust groove 19 matched with the vacuum pump 13, the aluminum liquid flowing between the fixed mold plate 2 and the movable mold plate 3 is stably flowed into the movable mold core 18 through the flow dividing cone 16 and covers the movable mold insert 17, so that the rapid and stable forming work of the damping tower is facilitated. The exhaust groove 19 and the vacuum pump 13 are matched with each other. When the aluminum liquid fills the whole compression chamber, the vacuum pump starts to dry the air in the compression chamber, so as to reduce the air bubbles in the product and improve the qualified rate of the product. Specifically, the movable mold insert 17 is provided with two, so that the forming work of the two damping towers is realized.

[0034] Referring to Figure 1 , 6 and 6, the movable mold plate 3 and the movable mold bottom plate 7 are provided with a ejector plate 6 and an ejector plate 5, the ejector plate 6 is provided with a pull rod 24, the displacement end of the pull rod 24 is connected with the ejector plate 5, the ejector plate 5 is provided with an ejector pin 21, the pull rod 24 on the ejector plate 6 works to make the ejector plate 5 move, the ejector plate 5 makes the ejector pin 21 move, so that the formed damping tower is ejected from the movable mold plate 3. The movable mold bottom plate 7 is provided with a sink groove for installing the ejector plate 6 and the ejector plate 5. Specifically, the pull rod 24 is an oil cylinder.

[0035] The ejector plate 5 is provided with a supporting column 22 matched with the movable die plate and a positioning pin 23, the supporting column 22 limits the movement of the ejector plate 5, and the positioning pin 23 is matched with a positioning hole on the movable die plate 3 to realize the accurate movement of the ejector plate 5.

[0036] With reference to Figure 1 The supporting block 4 is connected with the movable die bottom plate 7 and supports the movable die plate 3, thereby ensuring that the ejector plate 6 and the ejector plate 5 on the movable die plate 7 can work stably.

[0037] The movable die plate 3 is provided with a guide column 8, and the fixed die top plate 1 and the fixed die plate 2 are provided with a guide groove 27 matched with the guide column 8, the guide column 8 and the guide groove 27 are matched to realize the stable mutual movement among the movable die plate 3, the movable die bottom plate 7, the fixed die top plate 1 and the fixed die plate 2, specifically, the movable die plate 3 is provided with a chamfer at four corners, the movable die plate 3 is provided with a mounting groove at the chamfer, the mounting groove is connected with the guide column 8 through a bolt, and the fixed die top plate 1 and the fixed die plate 2 are provided with chamfers at four corners, and the guide groove 27 is arranged on the chamfer surface of the fixed die top plate 1 and the fixed die plate 2.

[0038] With reference to Figure 1 The fixed die plate 2 and the movable die plate 3 are provided with a quick plug plate 20, specifically, the quick plug plate 20 is a quick plug plate of Sichuan Thinker, a large damping tower one-out-two pressure casting mold is provided with the quick plug plate 33 of Sichuan Thinker, the quick plug plate 33 can be quickly plugged and unplugged, meets different flow requirements, has no leakage in the process of docking and disconnecting, improves the performance of the system, reduces the time of mold installation, and ensures the cleanliness of the surrounding environment.

[0039] The fixed die top plate 1 is provided with a buffer gasket 9, the buffer gasket 9 is arranged to buffer and depressurize between the fixed die plate 2 and the fixed die top plate 1 when the mold is closed again, thereby protecting the mold, reducing wear and tear, and prolonging the service life.

[0040] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A damping tower die comprising a fixed die head (1), a fixed die plate (2), a movable die plate (3) and a movable die base (7), characterized in that, The fixed mold top plate (1) is symmetrically provided with a flow channel insert (10), the flow channel insert (10) is provided with a flow channel (11), and the fixed mold top plate (1) is provided with a feeding port (12) in communication with the flow channel (11).

2. The shock tower die-cast mold of claim 1, wherein, The fixed mold plate (2) is provided with a fixed mold core (14), the fixed mold core (14) is provided with a fixed mold insert (15), and the fixed mold plate (2) is provided with a vacuum pump (13) in communication with the fixed mold core (14).

3. The shock tower die-cast mold of claim 2, wherein, The movable mold plate (3) is provided with a movable mold core (18), the movable mold core (18) is provided with a movable mold insert (17), the movable mold insert (17) is provided with a flow distribution cone (16), and the movable mold plate (3) is provided with an exhaust groove (19) matched with the vacuum pump (13).

4. The damping tower die-casting mould according to any one of claims 1 to 3, characterized in that The movable mold plate (3) and the movable mold bottom plate (7) are provided with a ejector rod push plate (6) and an ejector rod plate (5), the ejector rod push plate (6) is provided with a pull rod (24), the displacement end of the pull rod (24) is connected with the ejector rod plate (5), and the ejector rod plate (5) is provided with an ejector rod (21).

5. The shock tower die-cast mold of claim 4, wherein, The ejector rod plate (5) is provided with a support column (22) and a positioning pin (23) matched with the movable mold plate.

6. The shock tower die of claim 4, wherein, The movable mold plate (3) and the movable mold bottom plate (7) are further provided with a support block (4), and the support block (4) is connected with the movable mold bottom plate (7).

7. The shock tower die-cast mold of claim 4, wherein, The movable mold plate (3) is provided with a guide column (8), and the fixed mold top plate (1) and the fixed mold plate (2) are provided with a guide groove (27) matched with the guide column (8).

8. The shock tower die-cast mold of claim 4, wherein, The fixed mold plate (2) and the movable mold plate (3) are provided with a quick insertion plate (20).

9. The shock tower die-cast mold of claim 4, wherein, The fixed mold top plate (1) is provided with a buffer gasket (9).

Citation Information

Patent Citations

  • Semi-solid die-casting die for manufacturing shock-absorbing tower

    CN110666131A