CN216370096U - Secondary pressurized die casting machine - Google Patents

Abstract

The utility model discloses a secondary pressurization die casting machine, which comprises: a frame; the mold locking system is correspondingly arranged on the rack and is provided with an accommodating cavity, and the accommodating cavity is used for accommodating and fastening a mold; the injection system comprises a pressure rod and a containing cup, the upper part of the pressure rod is movably arranged in the containing cup, and an opening of the containing cup is communicated with the die; the secondary pressurization system comprises a first driver and an ejector rod, the upper part of the ejector rod is fixedly connected with the lower part of the pressure rod, and the first driver is connected with the lower part of the ejector rod and used for driving the ejector rod; the adjusting assembly comprises a second driver, a first connecting rod and a connecting piece, the second driver is arranged on the first driver, the upper portion of the first connecting rod is connected with the connecting piece, the lower portion of the first connecting rod is connected with the second driver, and the connecting piece is connected with the pressing rod. The die casting machine can perform low-pressure mold filling and high-pressure feeding solidification on the metal liquid, is simple to operate, and has high comprehensive performance of castings.

Description

Secondary pressurized die casting machine

technical field

The utility model relates to the field of die casting machines, in particular to a secondary pressurized die casting machine.

Background technique

The traditional die-casting machine equipment produced by die-casting technology has many pores, is not dense, and cannot be heat treated. It is easy to stick to the mold when casting aluminum, and is only suitable for thin parts; or, the product produced by gravity forging or low-pressure forging. The tightness is general, the surface of the casting has pinholes, and the casting is required to have a certain wall thickness. In the production process of this type of die casting machine, the mold is clamped with a clamp, and then the metal liquid is injected into the mold and then solidified and formed. The metal liquid in the mold is not pressurized twice, and the overall performance of its casting products is poor. . In addition, the container in the traditional die-casting machine equipment is generally fixed, and the matching and installation process of the container and the mold is complicated.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model proposes a secondary pressurized die-casting machine, which can perform low-pressure filling and high-pressure feeding and solidification of the metal liquid to obtain castings with high comprehensive performance and simple operation.

A secondary pressurized die-casting machine according to an embodiment of the present invention includes:

frame;

a clamping system, which is correspondingly arranged on the frame, the clamping system is provided with an accommodating cavity, and the accommodating cavity is used to accommodate and fasten the mold;

an injection system, comprising a pressure rod and a container, the upper part of the pressure rod is movably placed in the container, and the opening of the container communicates with the mold;

a secondary pressurization system, comprising a first driver and an ejector rod, the upper part of the ejector rod is fixedly connected with the lower part of the compression rod, and the first driver is connected with the lower part of the ejector rod for driving the ejector rod;

The adjustment assembly includes a second driver, a first link and a connecting piece, the second driver is arranged on the first driver, the upper part of the first link is connected with the connecting piece, and the lower part is connected with the second The driver is connected, and the connecting piece is connected with the pressing rod.

A secondary pressurized die-casting machine according to an embodiment of the present invention has at least the following beneficial effects: the mold clamping system fastens the mold, the first driver starts to act, and drives the ejector rod to drive the mold. The pressure rod moves, and the metal liquid in the container cup first enters the mold at a low speed under the action of the pressure rod for filling. After the filling is completed, the first driver continues to act, and the pressure rod The metal liquid in the mold is extruded, and a large mechanical pressure is realized to complete the feeding during the solidification process of the casting, and a casting with high comprehensive performance is obtained. Before the action of the first driver, adjust the second driver, the first link and the connecting piece move under the action of the second driver, and the connecting piece drives the pressing rod and the connecting piece. The container is moved to an appropriate position, so that the container is fitted with the mold, which simplifies the fitting and alignment operation of the container and the mold in the vertical direction, and improves user experience.

According to some embodiments of the present invention, the first driver is provided with a through hole, a second link is arranged in the through hole, and both ends of the second link are fixedly connected to the frame.

According to some embodiments of the present invention, the injection system further includes a connecting block, the connecting block is fixedly connected with the pressing rod and the ejector rod, and the top end face of the connecting piece is in contact with the bottom end face of the connecting block. catch.

According to some embodiments of the present invention, the container is provided with a socket, and the shape of the socket matches the mold.

According to some embodiments of the present invention, the card holder is provided with a sliding groove, and the shape of the connecting block matches the sliding groove.

According to some embodiments of the present invention, the connecting block is provided with a limiting slot hole, the pressing rod and the top rod are provided with a locking block, and the locking block is placed in the limiting slot hole.

According to some embodiments of the present invention, the ejector rod is provided with a detection device for detecting motion information of the ejector rod.

According to some embodiments of the present invention, the die-casting machine further comprises a spoon and a holding device, the spoon is used for holding the metal liquid, and the holding device is used for holding the spoon and conveying it to the container.

Additional aspects and advantages of the invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or learned by practice of the invention.

Description of drawings

Additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

1 is a schematic structural diagram of a secondary pressurized die casting machine provided by an embodiment of the present utility model;

Fig. 2 is a schematic diagram of a part of the structure in Fig. 1;

3 is a schematic structural diagram of another viewing angle of FIG. 2;

FIG. 4 is a cross-sectional view at A-A in FIG. 3 .

Description of reference numbers:

Rack 100,

The clamping system 200, the accommodating cavity 201,

The pressure rod 310, the container 320, the connecting block 330, the card seat 340, the sliding groove 341,

The first driver 410, the ejector rod 420,

The second driver 510, the first link 520, the connecting piece 530,

the second connecting rod 610,

Block 710,

Detection device 810 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but should not be construed as a limitation of the present invention.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, if it is described that the first and the second are only for the purpose of distinguishing technical features, it should not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicit Indicates the order of the indicated technical features.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution .

Referring to FIGS. 1 to 4 , a secondary pressurized die casting machine provided by an embodiment of the present invention includes: a frame 100; accommodating cavity 201, the accommodating cavity 201 is used to accommodate and fasten the mold; the injection system includes a pressing rod 310 and a container 320, the upper part of the pressing rod 310 is movably placed in the container 320, and the opening of the container 320 communicates with the mold ; Secondary boosting system, including a first driver 410 and a top rod 420, the top of the top rod 420 is fixedly connected to the lower part of the pressure rod 310, and the first driver 410 is connected to the bottom of the top rod 420 for driving the top rod 420; Adjustment assembly , including the second driver 510, the first link 520 and the connecting piece 530, the second driver 510 is arranged on the first driver 410, the upper part of the first link 520 is connected with the connecting piece 530, and the lower part is connected with the second driver 510. The sheet 530 is connected to the pressing rod 310 .

During the working process of the secondary pressurized die-casting machine provided in this embodiment, the clamping system 200 fastens the mold, the first driver 410 starts to act, and drives the ejector rod 420 to drive the pressure rod 310 to move, and the metal liquid in the container 320 is Under the action of the pressing rod 310, it first enters the mold at a low speed to fill the mold. After the filling is completed, the first driver 410 continues to act, and the pressing rod 310 squeezes the metal liquid in the mold to achieve a large mechanical pressure to complete the solidification of the casting. During the feeding process, castings with higher comprehensive performance can be obtained. Before the first driver 410 is actuated, the second driver 510 can be adjusted, the first link 520 and the connecting piece 530 move under the action of the second driver 510, and the connecting piece 530 drives the pressing rod 310 and the container 320 to move to an appropriate initial stage Position, so that the container 320 is fit with the mold, the operation is simple, and the user experience is improved.

The container 320 is mainly used to hold a certain amount of molten metal liquid. Due to the high temperature of the metal liquid, the material of the container 320 must have the characteristics of high temperature resistance to avoid leakage caused by melting through the high temperature metal liquid. In addition, the top of the pressure rod 310 is in contact with the metal liquid, and the material of the pressure rod 310 needs to be a high temperature resistant material to prevent the pressure rod from being melted or softened by high temperature after working for a period of time, which affects the production of castings. Corresponding sealing rings may be sleeved on the part of the pressing rod 310 placed in the container 320 to prevent dripping of the metal liquid.

The first driver 410 may be a hydraulic pump, a pneumatic pump, or an electric motor, which can provide a corresponding driving force to drive the ejector rod 420 to perform a corresponding movement according to user requirements. It can be understood that the pressing rod 310 is fixedly connected with the ejecting rod 420, and the corresponding movement of the ejecting rod 420 can drive the pressing rod 310 to perform corresponding movement, so that the metal liquid in the container 320 can be injected into the mold, and slowly Filling, after the filling is completed, the instantaneous movement speed of the pressing rod 310 suddenly increases, so that the pressure on the metal liquid in the mold suddenly increases, and then the driving force on the pressing rod remains unchanged, so that the metal liquid in the mold is continuously squeezed , Under the action of large pressure, the metal liquid in the mold undergoes rheological filling, crystallization solidification and strong flow feeding, and finally a metal product with dense interior, smooth appearance and accurate size can be obtained.

The second driver 510 may be a hydraulic pump, a pneumatic pump, or an electric motor, which can provide a corresponding driving force according to user requirements to drive the first link 520 to move to a corresponding position and then keep it fixed. Optionally, the second driver 510 may also be a fastening component, and the user can manually adjust the first link 520 to move to a corresponding position, and then use the second driver 510 to fasten the first link 520 . It can be understood that the connecting piece 530 is connected with the first link 520 and the pressure rod 310, the pressure rod 310 is connected with the container 320, and the first link 520 moves to the corresponding position to drive the pressure rod 310 and the container 320 to move to the corresponding position. In the casting production process, the first connecting rod 520 is kept fixed, so that the container 320 is fixed, and the container 320 is always in contact with the mold to prevent dripping of metal liquid.

In some of the embodiments, referring to FIGS. 1 and 2 , the first driver 410 is provided with a through hole, a second link 610 is arranged in the through hole, and both ends of the second link 610 are fixedly connected to the frame 100 . The second link 610 mainly supports the first driver 410, and the first driver 410 can move left and right along the second link 610 for position adjustment, which facilitates the installation and alignment of the container 320 and the mold in the lateral direction, and the operation is simple. Two or more second connecting rods 610 may be provided, as long as they can stably support the first driver 410 .

In some of the embodiments, referring to FIG. 2 , the injection system further includes a connecting block 330 , which is fixedly connected to the pressing rod 310 and the ejector rod 420 , and the top end surface of the connecting piece 530 abuts the bottom end surface of the connecting block 330 . The connecting block 330 mainly has the function of connecting, so that the pressing rod 310 and the top rod 420 are fixedly connected. It should be understood that if the pressing rod 310 and the ejector rod 420 are made in one piece, the length is too long, which is inconvenient during disassembly and assembly, and increases the cost of maintenance and replacement. The pressing rod 310 and the ejecting rod 420 are connected through the connecting block 330, and the pressing rod 310 and the ejecting rod 420 can be designed and manufactured separately, which reduces the cost and facilitates disassembly and assembly.

Further, the top end surface of the connecting piece 530 is in contact with the bottom end surface of the connecting block 330 , and the connecting piece 530 can push the connecting block 330 to move after being driven, thereby driving the pressing rod 310 and the container 320 to move to the proper position.

In some of the embodiments, referring to FIGS. 1 and 2 , the container 320 is provided with a catch 340 , and the shape of the catch 340 matches the mold. Before the first driver 410 is activated, the second driver 510 is adjusted, the first link 520 and the connecting piece 530 move under the action of the second driver 510, and the connecting piece 530 drives the pressing rod 310 and the container 320 to move to the proper position. During the die-casting process, the holder 340 can cooperate with the mold to fix the container 320. During the die-casting process, the container 320 and the mold are always adhered to prevent the metal liquid from dripping.

In some of these embodiments, referring to FIG. 4 , the card holder 340 is provided with a sliding groove 341 , and the shape of the connecting block 330 matches the sliding groove 341 . It should be understood that the connecting block 330 can slide along the sliding groove 341 during the moving process. Under the limitation of the sliding groove 341, the connecting block 330 can move more stably, thereby making the movement of the pressing rod 310 more stable and improving the stability of the die casting process. stability.

In some of the embodiments, referring to FIG. 4 , the connecting block 330 is provided with a limiting slot, and the pressing rod 310 and the ejector rod 420 are provided with a blocking block 710 , and the blocking block 710 is placed in the limiting slot. The limiting slot and the blocking block 710 mainly have the function of snap-fastening and cooperating, which is convenient for disassembly and assembly.

In some of these embodiments, referring to FIG. 4 , the ejector rod 420 is provided with a detection device 810 for detecting movement information of the ejector rod 420 . The detection device 810 detects the movement information of the ejector rod 420 and transmits it to the computer control system for analysis and judgment, which can control the first driver 410 more accurately, so as to strictly control the metal hydraulic injection speed, injection pressure, position and high and low pressure switching times, thereby improving the quality and efficiency of casting production.

In some of the embodiments, the die-casting machine further includes a spoon and a holding device, the spoon is used to hold the metal liquid, and the holding device is used to hold the spoon and deliver it to the container 320 .

It should be noted that the clamping device can be an automatically controlled mechanical arm structure, or a component that can be manually clamped, which can stably clamp the spoon and move it to the container 320, and inject the molten metal liquid in the spoon into the container. Cup 320 can be. It should be understood that the spoon is mainly used to hold high-temperature metal liquid, and the material of the spoon must have the characteristics of high temperature resistance to avoid leakage caused by melting through the high-temperature metal liquid.

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the art, the present utility model can also be used without departing from the purpose of the present utility model. , make various changes.

Claims (8)

1. The utility model provides a die casting machine of secondary pressure boost which characterized in that includes:

a frame;

the mold locking system is correspondingly arranged on the rack and is provided with an accommodating cavity, and the accommodating cavity is used for accommodating and fastening a mold;

the injection system comprises a pressure rod and a containing cup, the upper part of the pressure rod is movably arranged in the containing cup, and an opening of the containing cup is communicated with the die;

the secondary pressurization system comprises a first driver and an ejector rod, the upper part of the ejector rod is fixedly connected with the lower part of the pressure rod, and the first driver is connected with the lower part of the ejector rod and used for driving the ejector rod;

the adjusting assembly comprises a second driver, a first connecting rod and a connecting piece, the second driver is arranged on the first driver, the upper portion of the first connecting rod is connected with the connecting piece, the lower portion of the first connecting rod is connected with the second driver, and the connecting piece is connected with the pressing rod.

2. The die casting machine of claim 1, wherein the first driver is provided with a through hole, a second connecting rod is arranged in the through hole, and two ends of the second connecting rod are fixedly connected with the frame.

3. The two-shot press molding machine of claim 1 wherein said shot system further comprises a connecting block, said connecting block being fixedly connected to said ram and said ram, said connecting plate top end surface abutting said connecting block bottom end surface.

4. The secondary pressurizing die casting machine as claimed in claim 3, wherein the containing cup is provided with a clamping seat, and the shape of the clamping seat is matched with that of the die.

5. The secondary pressurizing die-casting machine as claimed in claim 4, wherein the clamping seat is provided with a sliding groove, and the shape of the connecting block is matched with the sliding groove.

6. The secondary pressurizing die-casting machine as claimed in claim 3, wherein the connecting block is provided with a limiting slot hole, and the pressing rod and the ejector rod are provided with a clamping block which is arranged in the limiting slot hole.

7. The secondary pressurizing die-casting machine as claimed in claim 1, wherein the ejector rod is provided with a detection device for detecting the movement information of the ejector rod.

8. The die casting machine of claim 1, further comprising a ladle for holding molten metal and a clamping device for clamping the ladle and delivering the ladle to the containment cup.

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