Die-casting die capable of quickly ejecting die-casting fittings

Abstract

The utility model relates to the technical field of die-casting dies, in particular to a die-casting die capable of quickly ejecting out die castings, which comprises a base, a fixed die is fixedly mounted on the upper end face of the base, a movable die is movably mounted on the upper end face of the fixed die, and a placing groove is formed in the fixed die. A first shaping mold is movably mounted in a placement groove in the fixed mold, and an ejector rod penetrates through the first shaping mold; a placing groove is formed in the movable mold, a second shaping mold is movably mounted in the placing groove in the movable mold, and a liquid inlet groove is formed in the bottom of the second shaping mold; air cylinders are embedded in the middle of the bottom of the base in a rectangular array mode, and the tops of the air cylinders are fixedly connected with the bottom of an ejector rod. The die-casting mold has the advantages of improving the demolding efficiency, reducing additional operation steps and reducing demolding time consumption, and solves the problems that a traditional die-casting mold consumes too long time and is low in efficiency in the demolding process.

Description

TECHNICAL FIELD

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

[0002] Die casting die is a kind of equipment for manufacturing metal parts, it forms part by injecting molten metal into the cavity of mould.In this process, metal liquid can be injected at low speed or high speed.The mould has movable cavity surface, which allows pressure to be applied while the metal cools, forging is carried out.This pressurized forging not only eliminates defects such as shrinkage and porosity in metal blanks, but also optimizes the crystal structure inside the blank, similar to the effect of forging treatment.Therefore, the overall mechanical properties of the metal blank manufactured by this method will be significantly improved.

[0003] After a large amount of retrieval, the aluminum alloy die casting die with publication number CN218224595U is disclosed, which comprises a base, a support plate is fixedly installed at the top end of the base, a top plate is fixedly installed at the top end of the support plate, a fixed mold is fixedly installed at the top end of the base, a groove is formed at the top end of the fixed mold, a thimble is fixedly installed in the fixed mold, a fixed seat is fixedly installed at the top end of the top plate, a gas cylinder is fixedly installed in the fixed seat, and a movable mold is fixedly installed at the movable end of the gas cylinder.In the prior art, the mold is used, the release agent can be added into the liquid storage tank from the liquid inlet, the movable mold and the fixed mold are separated, the release agent is sprayed from the nozzle, and the mold is released conveniently, time and labor are saved.

[0004] When the above-mentioned mold is demolded, the movable mold needs to be separated from the fixed mold, and a step of spraying the release agent is added after separation, which directly leads to the increase of demolding time and the decrease of demolding efficiency due to the additional operation steps, so a die casting die for quickly ejecting die casting is needed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of die casting die for quickly ejecting die casting, with the advantages of improving demolding efficiency, reducing additional operation steps and reducing demolding time, solving the problems of long time consumption and low efficiency in the demolding process of traditional die casting die.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of die casting die for quickly ejecting die casting, comprising a base, a fixed mold is fixedly installed on the upper end face of the base, a movable mold is movably installed on the upper end face of the fixed mold, a placing groove is formed in the fixed mold, a first plastic mold is movably installed in the placing groove in the fixed mold, and a top rod passes through the first plastic mold.

[0007] The movable mold is internally provided with a placing groove, and a second plastic mold is movably installed in the placing groove in the movable mold.

[0008] The base is internally and centrally provided with a rectangular array of air cylinders.

[0009] Preferably, the front end of the fixed mold is provided with a second mounting hole, the front end of the fixed mold is embedded with a cooling liquid pipe through the second mounting hole, the rear end of the fixed mold is provided with a first mounting hole, the rear end of the fixed mold is embedded with a cooling circulation pipe through the first mounting hole, the upper end surface of the fixed mold is provided with a limiting hole at each corner, and the front end of the upper end surface of the fixed mold is embedded with a liquid guide seat. In the design, the second mounting hole and the first mounting hole are respectively provided at the front end and the rear end of the fixed mold, and the cooling liquid pipe and the cooling circulation pipe are embedded, which realizes rapid cooling of the mold, improves production efficiency and service life of the mold.

[0010] Preferably, the front and rear ends of the movable mold are respectively provided with third mounting holes, the front end of the movable mold is embedded with a cooling liquid pipe through the third mounting hole, the rear end of the movable mold is embedded with a cooling circulation pipe through the third mounting hole, the lower end surface of the movable mold is respectively provided with a limiting hole at each corner, and the front end of the upper end surface of the movable mold is provided with a liquid injection groove. In the design, the third mounting hole is respectively provided at the front and rear ends of the movable mold, and the cooling liquid pipe and the cooling circulation pipe are embedded, which ensures uniform cooling of the movable mold and reduces mold deformation caused by uneven temperature.

[0011] Preferably, the bottom of the limiting rod is movably inserted into the limiting hole, the top of the liquid guide seat is movably inserted into the liquid injection groove, and the back of the liquid guide seat is provided with a flow guide groove. In the design, the bottom of the limiting rod is movably inserted into the limiting hole, and the top of the liquid guide seat is movably inserted into the liquid injection groove, which improves the flexibility and maintenance convenience of the mold.

[0012] Preferably, a reserved hole is provided in the placing groove on the fixed mold, and the top of the ejector rod passes through the reserved hole. In the design, a reserved hole is provided in the placing groove on the fixed mold, and the top of the ejector rod passes through the reserved hole, which simplifies the ejection mechanism, reduces the complexity of the mold, and improves the stability and reliability of the ejection process.

[0013] Preferably, the front end of the first plastic mold is provided with a through-type first cooling hole, the first cooling hole is provided at a position matched and communicated with the first mounting hole and the second mounting hole, the upper end surface of the first plastic mold is provided with a communication hole, and the top of the ejector rod passes through the communication hole. In the design, the front end of the first plastic mold is provided with a through-type first cooling hole, which is matched and communicated with the first mounting hole and the second mounting hole, which ensures the rapid flow of the cooling liquid and improves the cooling efficiency. The upper end surface of the first plastic mold is provided with a communication hole, and the top of the ejector rod passes through the communication hole, which simplifies the design of the ejection mechanism and improves the efficiency and reliability of the ejection process.

[0014] Preferably, the front end of the second plastic mold is provided with a through-type second cooling hole, the second cooling hole is provided at a position matched with and communicated with the third mounting hole, the bottom of the second plastic mold is provided with a liquid inlet groove, and the liquid inlet groove is provided at a position matched with and communicated with a flow guide groove provided on the back of the liquid guide seat. The front end of the second plastic mold is provided with a through-type second cooling hole matched with and communicated with the third mounting hole, so that the cooling liquid can flow quickly, and the cooling efficiency is improved. The front end of the bottom of the second plastic mold is provided with a liquid inlet groove matched with and communicated with a flow guide groove provided on the back of the liquid guide seat, so that the injection of molten metal and release agent can be accurately controlled, and the release efficiency and yield are improved.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The cylinder is arranged in the middle of the bottom of the base in a rectangular array, and the top of the cylinder is fixedly connected with the bottom of the ejector rod. This design enables the ejection mechanism to respond quickly, and the ejection mechanism can quickly eject the die casting through the quick extension and retraction of the cylinder, thereby reducing the time consumption of traditional manual or mechanical ejection. The movable mold and the fixed mold are movably arranged, so that the movable mold and the fixed mold can be quickly separated and combined again, thereby reducing the additional operation steps required in the demolding process and improving the overall production efficiency. The ejector rod passes through the first plastic mold, which simplifies the ejection mechanism, reduces the complexity of the mold, and improves the stability and reliability of the ejection process. The direct ejection of the ejector rod can reduce the loss of ejection force and improve the ejection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a sectional view structural schematic diagram of the utility model;

[0019] Figure 3 It is a base structure schematic diagram of the utility model;

[0020] Figure 4 It is an explosion view of the fixed mold and the fixed mold connecting structure of the utility model;

[0021] Figure 5 It is an explosion view of the first plastic mold and the second plastic mold connecting structure of the utility model.

[0022] In the diagram: 1. Base; 11. Cylinder; 12. Push rod; 2. Fixed mold; 21. First molding mold; 211. First cooling hole; 212. Connecting hole; 22. First mounting hole; 23. Limiting hole; 24. Reserved hole; 25. Liquid guide seat; 26. Second mounting hole; 3. Moving mold; 31. Second molding mold; 311. Second cooling hole; 312. Liquid inlet groove; 32. Liquid injection groove; 33. Limiting rod; 34. Third mounting hole; 4. Coolant pipe; 5. Cooling circulation pipe; 6. Placement groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] like Figures 1 to 5 As shown, one embodiment of the present invention is provided: a die casting mold for quickly ejecting die castings, including a base 1, a fixed mold 2 fixedly installed on the upper end face of the base 1, a movable mold 3 movably installed on the upper end face of the fixed mold 2, a placement groove 6 is provided in the fixed mold 2, a first shaping mold 21 is movably installed in the placement groove 6 in the fixed mold 2, and an ejector rod 12 passes through the first shaping mold 21.

[0026] The moving mold 3 has a placement groove 6, and the second molding mold 31 is movably installed in the placement groove 6. The bottom of the second molding mold 31 has a liquid inlet groove 312.

[0027] A cylinder 11 is embedded in a rectangular array at the bottom center of the base 1, and the top of the cylinder 11 is fixedly connected to the bottom of the push rod 12.

[0028] Specifically, cylinders 11 are embedded in a rectangular array at the bottom center of the base 1, with the top of the cylinders 11 fixedly connected to the bottom of the ejector rod 12. This design allows the ejection mechanism to respond quickly, achieving rapid ejection of the die-cast part through the rapid extension and retraction of the cylinders 11, reducing the time required for traditional manual or mechanical ejection. The moving mold 3 and the fixed mold 2 are connected in a movable manner, facilitating quick separation and recombination. This reduces the additional steps required during demolding and improves overall production efficiency. The ejector rod 12 passes through the first molding mold 21. This design simplifies the ejection mechanism, reduces mold complexity, and improves the stability and reliability of the ejection process. The direct ejection method of the ejector rod 12 reduces the loss of ejection force and improves ejection efficiency.

[0029] Example 2

[0030] In order to improve the stability of the fixed mold and the movable mold connection, as shown in Figure 2 and Figure 4 , in this embodiment, the front end of the fixed mold 2 is provided with a second mounting hole 26, the front end of the fixed mold 2 is embedded and mounted with a cooling liquid pipe 4 through the second mounting hole 26, the rear end of the fixed mold 2 is provided with a first mounting hole 22, and the rear end of the fixed mold 2 is embedded and mounted with a cooling circulation pipe 5 through the first mounting hole 22, and the upper end surface of the fixed mold 2 is provided with a limiting hole 23 at each corner, and the front end of the upper end surface of the fixed mold 2 is embedded and mounted with a liquid guide seat 25. In the design, the second mounting hole 26 and the first mounting hole 22 are respectively arranged at the front end and the rear end of the fixed mold 2, and the cooling liquid pipe 4 and the cooling circulation pipe 5 are embedded and mounted, so that the rapid cooling of the mold is realized, and the production efficiency and the service life of the mold are improved.

[0031] Further, the front and rear ends of the movable mold 3 are respectively provided with a third mounting hole 34, the front end of the movable mold 3 is embedded and mounted with a cooling liquid pipe 4 through the third mounting hole 34, the rear end of the movable mold 3 is embedded and mounted with a cooling circulation pipe 5 through the third mounting hole 34, the lower end surface of the movable mold 3 is respectively provided with a limiting hole and embedded and mounted with a limiting rod 33 at each corner, and the front end of the upper end surface of the movable mold 3 is provided with a liquid injection groove 32. In the design, the third mounting hole 34 is arranged at the front and rear ends of the movable mold 3, and the cooling liquid pipe 4 and the cooling circulation pipe 5 are embedded and mounted, so that the uniform cooling of the movable mold 3 is ensured, and the mold deformation caused by temperature unevenness is reduced.

[0032] Further, the bottom of the limiting rod 33 is movably inserted into the limiting hole 23, the top of the liquid guide seat 25 is movably inserted into the liquid injection groove 32, and the back of the liquid guide seat 25 is provided with a flow guide groove. In the design, the bottom of the limiting rod 33 is movably inserted into the limiting hole 23, and the top of the liquid guide seat 25 is movably inserted into the liquid injection groove 32, which improves the flexibility of the mold and the convenience of maintenance.

[0033] Example three

[0034] In order to improve the cooling efficiency of the die casting after die casting, as shown in Figure 2 , Figure 4 and Figure 5 , in this embodiment, a reserved hole 24 is arranged in the placing groove 6 on the fixed mold 2, and the top rod 12 passes through the reserved hole 24. In the design, the reserved hole 24 is arranged in the placing groove 6 on the fixed mold 2, and the top rod 12 passes through the reserved hole 24. This design simplifies the ejection mechanism, reduces the complexity of the mold, and improves the stability and reliability of the ejection process.

[0035] Further, the first plastic mold 21 is provided with a through first cooling hole 211 at the front end, the first cooling hole 211 is provided at a position matched with and communicated with the first mounting hole 22 and the second mounting hole 26, and the upper end surface of the first plastic mold 21 is provided with a communicating hole 212, and the top rod 12 passes through the communicating hole 212. In the design, the first plastic mold 21 is provided with a through first cooling hole 211 at the front end, which is matched with and communicated with the first mounting hole 22 and the second mounting hole 26, so that the cooling liquid can flow quickly, and the cooling efficiency is improved. The upper end surface of the first plastic mold 21 is provided with a communicating hole 212, and the top rod 12 passes through the communicating hole 212, so that the design of the ejection mechanism is simplified, and the efficiency and reliability of the ejection process are improved.

[0036] Further, the second plastic mold 31 is provided with a through second cooling hole 311 at the front end, the second cooling hole 311 is provided at a position matched with and communicated with the third mounting hole 34, and the bottom front end of the second plastic mold 31 is provided with a liquid inlet groove 312, and the liquid inlet groove 312 is provided at a position matched with and communicated with the flow guide groove provided on the back surface of the liquid guide seat 25. In the design, the second plastic mold 31 is provided with a through second cooling hole 311 at the front end, which is matched with and communicated with the third mounting hole 34, so that the cooling liquid can flow quickly, and the cooling efficiency is improved. The bottom front end of the second plastic mold 31 is provided with a liquid inlet groove 312, which is matched with and communicated with the flow guide groove provided on the back surface of the liquid guide seat 25, so that the injection of molten metal and release agent can be accurately controlled, and the efficiency and yield of release are improved.

[0037] In use, the molten metal is injected from the liquid injection groove 32 into the second plastic mold 31 in the movable mold 3 and the first plastic mold 21 in the fixed mold 2, so as to fill the mold to form a die casting. The cooling liquid is circulated through the cooling liquid pipe 4 and the cooling circulation pipe 5, so that the die casting and the mold are quickly cooled to room temperature. After the die casting is cooled, the release agent is injected through the liquid injection groove 32 to reduce the friction between the die casting and the mold, and facilitate the release. The cylinder 11 at the bottom of the base 1 is started, the cylinder 11 drives the top rod 12 to move upward, and the die casting, the second plastic mold 31 and the movable mold 3 are ejected. After ejection, the second plastic mold 31 and the movable mold 3 are separated, and this step is manually operated. The finished die casting is taken out from the second plastic mold 31, and is prepared for subsequent inspection, cleaning and processing. Then the mold is cleaned, and if necessary, the release agent is reapplied on the surface of the mold to ensure the smooth progress of the next die casting.

[0038] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. Quickly ejecting die-casting die, comprising a base (1), the upper end face of the base (1) is fixedly provided with a fixed mold (2), the upper end face of the fixed mold (2) is movably provided with a movable mold (3), characterized in that: The fixed mold (2) is provided with a placing groove (6), the first plastic mold (21) is movably arranged in the placing groove (6) of the fixed mold (2), and the top rod (12) penetrates the first plastic mold (21). The movable mold (3) is provided with a placing groove (6), the second plastic mold (31) is movably arranged in the placing groove (6) of the movable mold (3), and the bottom of the second plastic mold (31) is provided with a liquid inlet groove (312). The middle of the bottom of the base (1) is embedded and arranged with a gas cylinder (11) in a rectangular array, and the top of the gas cylinder (11) is fixedly connected with the bottom of the top rod (12).

2. A die casting mould for rapid ejection of a die casting according to claim 1, characterized in that The front end of the fixed mold (2) is provided with a second mounting hole (26), the front end of the fixed mold (2) is embedded and arranged with a cooling liquid pipe (4) through the second mounting hole (26), the rear end of the fixed mold (2) is provided with a first mounting hole (22), the rear end of the fixed mold (2) is embedded and arranged with a cooling circulation pipe (5) through the first mounting hole (22), and the upper end face of the fixed mold (2) is provided with a limiting hole (23) at each corner.

3. A die casting mold for rapidly ejecting a die casting according to claim 1, wherein The front and rear ends of the movable mold (3) are provided with third mounting holes (34), the front end of the movable mold (3) is embedded and arranged with a cooling liquid pipe (4) through the third mounting hole (34), the rear end of the movable mold (3) is embedded and arranged with a cooling circulation pipe (5) through the third mounting hole (34), the lower end face of the movable mold (3) is provided with a limiting rod (33) at each corner, and the upper end face of the movable mold (3) is provided with a liquid injection groove (32) at the front end.

4. A die casting mould for rapid ejection of a die casting according to claim 3, characterized in that The bottom of the limiting rod (33) is movably inserted into the limiting hole (23), the top of the liquid guide seat (25) is movably inserted into the liquid injection groove (32), and the back of the liquid guide seat (25) is provided with a flow guide groove.

5. A die casting mold for quickly ejecting a die casting according to claim 1, wherein The placing groove (6) of the fixed mold (2) is provided with a reserved hole (24), and the top of the top rod (12) penetrates the reserved hole (24).

6. A die casting mold for quickly ejecting a die casting according to claim 1, wherein The front end of the first plastic mold (21) is provided with a through-type first cooling hole (211), the first cooling hole (211) is matched and communicated with the first mounting hole (22) and the second mounting hole (26), the upper end face of the first plastic mold (21) is provided with a communication hole (212), and the top of the top rod (12) penetrates the communication hole (212).

7. A die casting mold for quickly ejecting a die casting according to claim 1, wherein The front end of the second plastic mold (31) is provided with a through-type second cooling hole (311), the second cooling hole (311) is matched and communicated with the third mounting hole (34), the bottom of the second plastic mold (31) is provided with a liquid inlet groove (312), and the liquid inlet groove (312) is matched and communicated with the position of the flow guide groove provided on the back of the liquid guide seat (25).

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