Die casting equipment with linkage material returning structure

By introducing a linked ejection structure into the die-casting equipment, and using hydraulic cylinders and pneumatic cylinders in conjunction with the connecting components, the problem of unstable force caused by the slow separation speed of the moving mold and the fixed mold was solved, realizing a stable and fast ejection process and improving the material feeding efficiency.

CN223775977UActive Publication Date: 2026-01-09SHENZHEN LIDEBAO HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202423256805.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-29
Publication Date
2026-01-09
Estimated Expiration
2034-12-29

AI Technical Summary

Technical Problem

In existing die-casting equipment, the separation speed between the moving mold and the fixed mold is not fast, resulting in weak and unstable force provided by the spring, which easily leads to material ejection failure.

Method used

The system employs a linked ejection structure, utilizing the cooperation of hydraulic and pneumatic cylinders, along with the coordination of connecting and ejection components, to achieve stable connection and rapid separation between the moving and fixed molds, ensuring the stability and reliability of ejection.

Benefits of technology

This makes the unloading process of die-casting equipment more stable and faster, improves material feeding efficiency, and avoids unloading failures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of die-casting equipment, and discloses die-casting equipment with a linkage material returning structure, which comprises a bottom plate, vertical plates are fixedly connected to the left part and the right part of the top surface of the bottom plate, a fixed die is fixedly connected to the right side of the vertical plate positioned on the left side, and a hydraulic cylinder is fixedly connected to the right side of the vertical plate positioned on the right side; a pressing rod is arranged at the output end of the hydraulic cylinder and penetrates through the vertical plate located on the right side, a movable mold is fixedly connected to the left end of the pressing rod, connecting assemblies are arranged on the front side and the rear side of the upper portion and the lower portion of the movable mold correspondingly, a material returning assembly is arranged in the middle of the fixed mold, and sliding rods are fixedly connected to the front side and the rear side of the upper portion and the lower portion between the two vertical plates correspondingly. According to the utility model, the movable mold and the fixed mold as well as the material returning assembly and the connecting assembly are matched with each other, so that the material returning assembly can be driven to move through the connecting assembly during demolding, a casting is ejected out of the mold by the material returning rod, the stability of material returning can be ensured, and the mold is more practical.
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Description

TECHNICAL FIELD

[0001] The utility model relates to die casting equipment field especially with linkage material withdrawal structure's die casting equipment. BACKGROUND

[0002] Die casting equipment is mainly used for injecting molten metal, usually aluminum, zinc, magnesium, copper, etc. into a mold to form various complex-shaped metal parts. This process is widely used in the automotive, electronics, home appliance industries due to its high efficiency and precision.

[0003] After searching, the Chinese patent publication No. CN221158563U discloses a die casting machine that can automatically discharge, which is used for die casting forming die casting parts. It includes a base and a support plate set on the base. The support plate is provided with a discharge port, and the discharge port is fixed with a fixed mold base and a movable mold base on both sides. The fixed mold base is fixed with a fixed mold on the side facing the movable mold base. The fixed mold is provided with a fixed mold cavity. The fixed mold is provided with a pusher unit that pushes the die casting out of the fixed mold. The movable mold base is provided with a movable mold that cooperates with the fixed mold on the side facing the fixed mold base. The movable mold base is fixed with a hydraulic cylinder that drives the movable mold to move. The movable mold is provided with a movable mold cavity. The movable mold is provided with an ejection unit that ejects the die casting out of the movable mold. The fixed mold cavity and the movable mold cavity cooperate to form a forming cavity. The die casting machine with automatic discharge can push the die casting out of the fixed mold using the pusher unit, which facilitates the separation of the die casting and the movable mold from the fixed mold. At the same time, the ejection unit cooperates with the movable mold to eject the die casting out of the movable mold when the movable mold moves towards the movable mold base, achieving rapid ejection and discharge of the die casting, and greatly improving the discharge efficiency.

[0004] The above device can push the casting out of the mold through the pusher unit, but the separation speed of the movable mold and the fixed mold is not fast, which results in the spring providing insufficient force to the push block, and the force provided by the spring is not stable and certain, which easily leads to the failure of material withdrawal, and is not practical. Therefore, a die casting equipment with linkage material withdrawal structure is proposed to solve the above problems. INVENTION CONTENTS

[0005] To overcome the above shortcomings, the present utility model provides a die casting equipment with linkage material withdrawal structure, which aims to improve the problem that the existing technology can push the casting out of the mold through the pusher unit, but the separation speed of the movable mold and the fixed mold is not fast, which results in the spring providing insufficient force to the push block, and the force provided by the spring is not stable and certain, which easily leads to the failure of material withdrawal, and is not practical.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a die casting equipment with linkage material returning structure, including the bottom plate, the top surface left and right parts of bottom plate are all fixedly connected with stand, the right side of the stand of left side is fixedly connected with fixed mould, the right side of the stand of right side is fixedly connected with hydraulic cylinder, the output of hydraulic cylinder is provided with pressure rod, the pressure rod penetrates the stand of right side, the left end of pressure rod is fixedly connected with movable mould, the upper and lower parts of movable mould are all provided with connecting assembly, the middle part of fixed mould is provided with material returning assembly, the upper and lower parts of front and back sides between two stand are all fixedly connected with slide rod, material returning assembly includes connecting plate, the right side four corners of connecting plate are all provided with connecting sleeve, the right side upper, lower, front and back parts of connecting plate are all fixedly connected with material returning rod.

[0007] As further description of the above technical scheme:

[0008] The middle part of fixed mould is provided with mounting groove, and the connecting plate is movably connected with the mounting groove.

[0009] As further description of the above technical scheme:

[0010] The right side upper, lower, front and back parts of fixed mould are all provided with connecting port, the connecting sleeve is movably connected with the connecting port, the right side upper, lower, left and right parts of fixed mould are all provided with material returning port, and the material returning rod is movably connected with the material returning port.

[0011] As further description of the above technical scheme:

[0012] The front and back side upper and lower parts of movable mould are all fixedly connected with connecting ring, and the connecting ring is slidably connected with the slide rod.

[0013] As further description of the above technical scheme:

[0014] The connecting assembly includes a cylinder, the cylinder is fixedly connected with the movable mould, the output end of the cylinder is provided with a gas rod, the gas rod penetrates the movable mould and is movably connected with the movable mould, the left part of the gas rod is provided with a control sleeve, a clamping bead is arranged between the gas rod and the control sleeve, and the number of the clamping bead is two.

[0015] As further description of the above technical scheme:

[0016] The left part of the gas rod is fixedly connected with a limiting ring, the left part of the gas rod is provided with a control ring groove, and the left and right sides of the control ring groove are all provided with a number one inclined ring surface.

[0017] As further description of the above technical scheme:

[0018] The control sleeve is provided with movable openings in front and back parts, the clamping beads are movably connected with the movable openings, the control sleeve is provided with auxiliary grooves in right parts, and the limiting rings are slidably connected with the auxiliary grooves.

[0019] As further description of the above technical scheme:

[0020] The limiting ring and the auxiliary groove are fixedly connected with the second spring.

[0021] As further description of the above technical scheme:

[0022] The right side of the connecting sleeve is provided with connecting grooves, and the right side of the connecting grooves is provided with second inclined ring faces.

[0023] As further description of the above technical scheme:

[0024] The middle part of the bottom plate is provided with a discharging opening.

[0025] The utility model has the advantages of the following beneficial effects:

[0026] 1. In the utility model, the movable die and the fixed die, the material returning assembly and the connecting assembly are matched with each other, so that the material returning assembly is driven to move by the connecting assembly when demolding, the material returning rod can push the casting out of the mold, and the stability of material returning is ensured.

[0027] 2. In the utility model, the air rod, the control sleeve, the clamping bead, the second spring and other components are matched with each other, and the connecting sleeve, the second inclined ring face and the connecting groove are matched with each other, so that the connection and disconnection between the material pushing assembly and the connecting assembly are more convenient and practical. DRAWINGS

[0028] Figure 1 The utility model provides a kind of whole three-dimensional structure schematic diagram of die casting equipment with linkage material returning structure;

[0029] Figure 2 The utility model provides a kind of three-dimensional structure schematic diagram when die casting of die casting equipment with linkage material returning structure;

[0030] Figure 3 The utility model provides a kind of three-dimensional structure schematic diagram of movable die and connecting assembly split of die casting equipment with linkage material returning structure;

[0031] Figure 4 The utility model provides a kind of connecting assembly split partial three-dimensional structure schematic diagram of die casting equipment with linkage material returning structure;

[0032] Figure 5The utility model provides a kind of material returning assembly with linkage material returning structure of die casting equipment and fixed mould split three-dimensional structure schematic view proposed by the utility model;

[0033] Figure 6 The utility model provides a kind of fixed mould profile three-dimensional structure schematic view proposed by the utility model with linkage material returning structure of die casting equipment;

[0034] Figure 7 A kind of material returning assembly with linkage material returning structure of die casting equipment and the connection assembly connection partial profile three-dimensional structure schematic view of the utility model.

[0035] Legend:

[0036] 1, bottom plate;2, vertical plate;3, fixed mould;4, hydraulic cylinder;5, material returning assembly;6, movable mould;7, connecting assembly;8, slide bar;41, pressing rod;51, connecting plate;52, connecting sleeve;53, material returning rod;31, installation groove;32, connecting port;33, material returning port;34, No. 1 spring;61, connecting ring;71, air cylinder;72, air rod;73, control sleeve;74, ball;75, No. 2 spring;721, limit ring;722, control ring groove;723, No. 1 inclined annular surface;731, movable port;732, auxiliary groove;521, connecting groove;522, No. 2 inclined annular surface;11, discharge port. Specific embodiments

[0037] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the scope of the protection of the utility model.

[0038] Refer to Figure 1 - Figure 3The utility model provides an embodiment: a kind of die casting equipment with linkage material returning structure, including bottom plate 1, it is used to cooperate connection each component, the middle part of bottom plate 1 is equipped with discharge port 11, it is used to cooperate the material returning of die casting equipment, the top surface left and right parts of bottom plate 1 are fixedly connected with vertical plate 2, it is used to cooperate connection each component, the right side of the vertical plate 2 located left side is fixedly connected with fixed mould 3, it is used to cooperate with movable mould 6, to carry out die casting, the right side of the vertical plate 2 located right side is fixedly connected with hydraulic cylinder 4, it is used to drive movable mould 6 to move, to cooperate die casting, the output end of hydraulic cylinder 4 is provided with pressure rod 41, it is used to cooperate connection movable mould 6, pressure rod 41 penetrates the vertical plate 2 located right side, and with the vertical plate 2 movably connected, the left end of pressure rod 41 is fixedly connected with movable mould 6, it is used to cooperate die casting, the upper and lower parts front and back sides of movable mould 6 are provided with connecting assembly 7, it is used to cooperate the connection between movable mould 6 and material returning assembly 5, the middle part of fixed mould 3 is provided with material returning assembly 5, it is used to cooperate the material returning operation of die casting completion, the upper and lower parts front and back sides between two vertical plates 2 are fixedly connected with slide bar 8, it is used to cooperate the movement of movable mould 6, the upper and lower parts front and back sides of movable mould 6 are fixedly connected with connecting ring 61, it is used to cooperate the connection between movable mould 6 and slide bar 8, connecting ring 61 and slide bar 8 are slidably connected.

[0039] Please refer to Figure 5 - Figure 7 As shown in the figure, material returning assembly 5 includes connecting plate 51, it is used to cooperate connection each component, the right side four corners of connecting plate 51 are provided with connecting sleeve 52, it is used to be connected with connecting assembly 7, the right side upper, lower, front and rear of connecting plate 51 are fixedly connected with material returning rod 53, it is used to return material, when material returning assembly 5 moves to left side, the right end surface of material returning rod 53 will be flush with the die wall of fixed mould 3, and will block up discharge port 33, the middle part of fixed mould 3 is equipped with mounting groove 31, connecting plate 51 is movably connected with it, one spring 34 is fixedly connected between connecting plate 51 and mounting groove 31, it is used to cooperate the movement and reset of connecting plate 51, the right side upper, lower, front and rear of fixed mould 3 are equipped with connecting port 32, connecting sleeve 52 and connecting port 32 movably connected block, the right side upper, lower, left and right of fixed mould 3 are equipped with discharge port 33, material returning rod 53 and discharge port 33 movably connected, it is used to cooperate the use of material returning assembly 5.

[0040] As Figure 4 And Figure 7As shown, the connecting assembly 7 comprises a cylinder 71 for connecting the connecting assembly 7 and the connecting sleeve 52, the cylinder 71 is fixedly connected with the movable mold 6, the output end of the cylinder 71 is provided with a gas rod 72 for connecting each part, the gas rod 72 penetrates through and movably connects with the movable mold 6, the left part of the gas rod 72 is provided with a control sleeve 73 for controlling the position of the clamping bead 74, thereby connecting the connecting assembly 7 and the connecting sleeve 52, the clamping bead 74 is arranged between the gas rod 72 and the control sleeve 73 and the number is two, which is used for cooperating with the second inclined annular surface 522 to limit the connection between the connecting assembly 7 and the connecting sleeve 52, the left part of the gas rod 72 is fixedly connected with a limiting ring 721 for cooperating with the use of the second spring 75, the left part of the gas rod 72 is provided with a control ring groove 722 for cooperating with the position of the clamping bead 74, the left and right sides of the control ring groove 722 are provided with a first inclined annular surface 723 for cooperating with the movement and limiting of the clamping bead 74, the front and rear parts of the control sleeve 73 are provided with a movable port 731, the clamping bead 74 can move in the movable port 731 but cannot be separated from the movable port 731, the clamping bead 74 movably connects with the movable port 731, the right part of the control sleeve 73 is provided with an auxiliary groove 732 for cooperating with the connection of the second spring 75, the limiting ring 721 slidably connects with the auxiliary groove 732, the limiting ring 721 and the auxiliary groove 732 are fixedly connected with the second spring 75 for cooperating with the use of the control sleeve 73, the right side of the connecting sleeve 52 is provided with a connecting groove 521 for cooperating with the connection of the connecting assembly 7, the right side of the connecting groove 521 is provided with a second inclined annular surface 522 for cooperating with the clamping bead 74 to limit the connection between the connecting assembly 7 and the material returning assembly 5.

[0041] Working principle: when using, when need to carry on the die casting first, through the hydraulic cylinder 4 push the pressure bar 41, make the pressure bar 41 drive the movable die 6 to the fixed die 3 direction movement, the connecting ring 61 will along the slide bar 8 slide, simultaneously with the movable die 6 connection multiple connecting assembly 7 will be driven to the material withdrawal assembly 5 direction movement, when the left part of control sleeve 73 inserts the connecting sleeve 52, because the ball 74 is resisted by the first inclined annular surface 723 of control ring groove 722 at this time, the ball 74 will not be able to retract into the control sleeve 73 at this time, the control sleeve 73 will not be able to insert into the connecting sleeve 52 as a whole, need to control the air cylinder 71 control air rod 72 to the left side movement, so that the ball 74 loses the pressure of the first inclined annular surface 723, the ball 74 will move into the control ring groove 722 at this time, retract into the control sleeve 73, the control sleeve 73 can insert into the connecting sleeve 52 with the movement of connecting assembly 7, when the control sleeve 73 is inserted into the connecting groove 521, control air rod 72 to the right side movement, make the first inclined annular surface 723 push the ball 74 to the movable port 731 again, so that the ball 74 is pushed out of the movable port 731, the ball 74 is resisted by the first inclined annular surface 723 at this time, the other side will be in the second inclined annular surface 522 of connecting sleeve 52, so that the connecting assembly 7 and connecting sleeve 52 are fixed, with the movable die 6 and fixed die 3 close tightly, the connecting assembly 7 will push the material withdrawal assembly 5 to the left side movement at this time, the connecting plate 51 will produce extrusion to the first spring 34, then the molten metal liquid can be injected into the mold for die casting, after die casting, when the material needs to be withdrawn, the movable die 6 is driven away from the fixed die 3 by the pressure bar 41, at this time, the connecting assembly 7 will drive the material withdrawal assembly 5 connected thereto to move to the right side, at this time, the first spring 34 will assist the connecting plate 51 to return to the position, and the material withdrawal rod 53 will push out of the material withdrawal port 33, so that the castings are ejected from the fixed die 3, the material withdrawal is completed, and the castings are sent out of the equipment through the discharge port 11. When the movable die 6 needs to move to the right side for resetting, the ball 74 is retracted into the control sleeve 73 by controlling the air cylinder 71 to control the air rod 72 to move to the left side again, and then the movable die 6 and the connecting assembly 7 are moved to the right side by the pressure bar 41 to make the control sleeve 73 disengage from the connecting sleeve 52.

[0042] Finally, it should be pointed out that: the above only for the preferred embodiment of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A die casting apparatus with a linkage material return structure, comprising a base plate (1), characterized in that: The top surface of the bottom plate (1) is fixedly connected with a vertical plate (2) on the left and right sides, the right side of the vertical plate (2) on the left is fixedly connected with a fixed mold (3), the right side of the vertical plate (2) on the right is fixedly connected with a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is provided with a pressure rod (41), the pressure rod (41) penetrates the vertical plate (2) on the right, the left end of the pressure rod (41) is fixedly connected with a movable mold (6), the upper and lower parts of the movable mold (6) are provided with a connecting assembly (7), the middle part of the fixed mold (3) is provided with a material returning assembly (5), the upper and lower parts of the front and rear sides between the two vertical plates (2) are fixedly connected with a sliding rod (8), the material returning assembly (5) comprises a connecting plate (51), the right side of the connecting plate (51) is provided with a connecting sleeve (52), and the right side of the connecting plate (51) is fixedly connected with a material returning rod (53).

2. The die casting apparatus with linkage material return structure according to claim 1, characterized in that: The middle part of the fixed mold (3) is provided with a mounting groove (31), and the connecting plate (51) is movably connected with the mounting groove (31). A first spring (34) is fixedly connected between the connecting plate (51) and the mounting groove (31).

3. The die casting apparatus with linkage material return structure according to claim 1, wherein: The right side of the fixed mold (3) is provided with a connecting port (32) on the upper, lower, front and rear parts, the connecting sleeve (52) is movably connected with the connecting port (32), the right side of the fixed mold (3) is provided with a material returning port (33) on the upper, lower, left and right parts, and the material returning rod (53) is movably connected with the material returning port (33).

4. The die casting apparatus with linkage material return structure according to claim 1, wherein: The front and rear sides of the movable mold (6) are fixedly connected with a connecting ring (61), and the connecting ring (61) is slidably connected with the sliding rod (8).

5. The die casting apparatus with linkage material return structure of claim 1, wherein: The connecting assembly (7) comprises a gas cylinder (71), the gas cylinder (71) is fixedly connected with the movable mold (6), the output end of the gas cylinder (71) is provided with a gas rod (72), the gas rod (72) penetrates the movable mold (6) and is movably connected with the movable mold (6), the left part of the gas rod (72) is provided with a control sleeve (73), a plurality of clamping beads (74) are arranged between the gas rod (72) and the control sleeve (73).

6. The die casting apparatus with linkage material return structure according to claim 5, characterized in that: The left part of the gas rod (72) is fixedly connected with a limiting ring (721), the left part of the gas rod (72) is provided with a control ring groove (722), and the left and right sides of the control ring groove (722) are provided with a first inclined ring surface (723).

7. The die casting apparatus with a linkage material return structure according to claim 6, characterized in that: The front and rear parts of the control sleeve (73) are provided with a movable port (731), the clamping bead (74) is movably connected with the movable port (731), the right part of the control sleeve (73) is provided with an auxiliary groove (732), the limiting ring (721) is slidably connected with the auxiliary groove (732).

8. The die casting apparatus with linkage material return structure according to claim 7, characterized in that: The limiting ring (721) and the auxiliary groove (732) are fixedly connected with a second spring (75).

9. The die casting apparatus with linkage material return structure of claim 1, wherein: The right side of the connecting sleeve (52) is provided with a connecting groove (521), and the right side of the connecting groove (521) is provided with a second inclined ring surface (522).

10. The die casting apparatus with linkage material return structure of claim 1, wherein: The middle part of the bottom plate (1) is provided with a discharge port (11).

Citation Information

Patent Citations

  • Die-casting machine capable of achieving automatic discharging

    CN221158563U