In-mold ejection device of casting mold

Abstract

The utility model discloses an in-mold ejection device of a casting mold, which comprises a die-casting table, a cavity is arranged in the die-casting table, an ejection rod is slidably connected in the cavity, the cavity is communicated with an air pipe, the air pipe extends to the outside of the die-casting table and is fixedly connected with an air pump, support frames are slidably mounted on two corresponding sides of the die-casting table, and electromagnets are slidably arranged at the upper ends of the support frames. The electromagnet is used for adsorbing the demolding mold; according to the die-casting machine, a worker places a metal plate needing die casting on the die-casting table, the metal plate is pressed and formed through the arranged die-casting device, at the moment, the worker starts the air pump to enable the air pump to inflate air into the cavity through the air pipe, and the ejector rod and other ejector devices vertically move together through air pressure; and meanwhile, a worker starts a sliding device arranged below the electromagnets, so that the two electrified electromagnets move towards the middle, and then the electromagnets attract and transfer the ejected metal sheets.

Description

Technical Field

[0001] The utility model relates to the technical field of ejection devices for casting molds, in particular to an in-mold ejection device for casting molds. Background Technique

[0002] A casting mold refers to a structure that is first made of other easily moldable materials into the shape of a part in order to obtain the structural shape of the part. Then, the mold is placed in a sand mold, and a cavity identical to the structural dimensions of the part is formed in the sand mold. Next, a fluid with fluidity is poured into the cavity, and after the fluid cools and solidifies, a part with exactly the same shape and structure as the mold can be formed.

[0003] Most of the existing mining machinery categories are die-cast using metal. However, during the demolding process, workers need to manually demold the metal mold after die-casting, which increases the probability of workers getting injured and thus leads to a decrease in work efficiency.

[0004] Therefore, we propose an in-mold ejection device for casting molds. Content of the Utility Model

[0005] The purpose of the utility model is to solve the deficiencies existing in the prior art, and an in-mold ejection device for casting molds is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An in-mold ejection device for casting molds, including a die-casting table. A cavity is arranged inside the die-casting table. A ejector rod is slidably connected inside the cavity. The cavity communicates with an air pipe, and the air pipe extends to the outside of the die-casting table and is fixedly connected with an air pump. Support frames are slidably installed on two opposite sides of the die-casting table, and an electromagnet is slidably arranged at the upper end of the support frame, and the electromagnet is used for adsorbing the demolding mold.

[0008] As a further scheme of the utility model: A sliding block is fixedly installed at the lower end of the ejector rod, and a compression spring is fixedly installed at one end of the sliding block.

[0009] As a further scheme of the utility model: An auxiliary plate is fixedly installed on one side surface of the support frame, a driving device is fixedly installed on the upper surface of the auxiliary plate, and a rotating shaft is fixedly installed at the output end of the driving device.

[0010] As a further scheme of the utility model: At least two connecting plates are fixedly installed on the rotating shaft. One end of the connecting plate away from the rotating shaft is rotatably connected with a connecting rod, and the connecting plate is rotatably connected with an adapter plate through the connecting rod.

[0011] As a further solution of the present utility model: One end of the connecting plate away from the connecting rod is rotatably connected to the electromagnet, and a sliding plate is fixedly installed on the lower surface of the electromagnet, and the sliding plate is slidably connected to the support frame.

[0012] As a further solution of the present utility model: An electro-hydraulic push rod is fixedly installed above the die-casting table, one end of the electro-hydraulic push rod is fixedly installed with a connecting plate, and the connecting plate is fixedly connected with a die-casting plate through a connecting spring.

[0013] As a further solution of the present utility model: A plurality of sliding rods are fixedly installed on the upper surface of the die-casting plate, and a cooling pool is fixedly installed on the upper surface of the die-casting table, and the cooling pool is used for cooling the mold.

[0014] Compared with the prior art, the present utility model provides an in-mold ejection device for a casting mold, which has the following beneficial effects:

[0015] 1. In the present utility model, the staff places the metal plate to be die-cast on the die-casting table, and presses the metal plate into shape through the provided die-casting device. At this time, the staff turns on the air pump, so that the air pump fills the cavity with air through the air pipe, and the ejector rod together with the other provided ejection devices moves vertically through the air pressure, so that the ejector rod ejects the die-cast mold. At the same time, the staff starts the sliding device arranged under the electromagnet, so that the two energized electromagnets move towards the middle, and then the electromagnets adsorb and transfer the ejected metal sheet, thus avoiding the possible injury caused by the staff manually demolding.

[0016] 2. In the present utility model, when the rotating shaft rotates, it drives the connecting plate to rotate together, and then drives the connecting rod, the connecting plate, and the electromagnet to move together, so that the two electromagnets slide towards the middle. At the same time, a sliding plate is fixedly installed on the lower surface of the electromagnet, and the sliding plate is slidably connected to the guiding groove opened on the support frame. Therefore, when the electromagnet slides, it drives the sliding plate to slide in the guiding groove, so that the electromagnet slides more smoothly, and the support frame does not affect the rotation of the connecting plate.

[0017] The parts not involved in this device are the same as or can be implemented by the prior art. The structure of the present utility model is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall structural schematic diagram of an in-mold ejection device for a casting mold proposed by the present utility model;

[0019] Figure 2 is the overall structural top view of an in-mold ejection device for a casting mold proposed by the present utility model;

[0020] Figure 3 Schematic three-dimensional structure diagram of a support of an in-mold ejection device for a casting mold proposed by the present utility model;

[0021] Figure 4 Schematic plan view of the internal structure of a die-casting table of an in-mold ejection device for a casting mold proposed by the present utility model.

[0022] In the figure: 1, die-casting table; 3, cooling pool; 4, electro-hydraulic push rod; 5, connecting plate; 6, die-casting plate; 7, connecting spring; 8, sliding rod; 9, air pipe; 10, air pump; 11, cavity; 12, sliding block; 13, ejector rod; 14, extrusion spring; 15, support frame; 16, auxiliary plate; 17, driving device; 18, rotating shaft; 19, connecting plate; 20, connecting rod; 21, connecting plate; 22, sliding plate; 23, electromagnet. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to 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 utility model.

[0025] Embodiment: An in-mold ejection device for a casting mold, as Figures 1-4 shown, includes a die-casting table 1. A cavity 11 is provided inside the die-casting table 1. An ejector rod 13 is slidably connected inside the cavity 11. The cavity 11 communicates with an air pipe 9. The air pipe 9 extends outside the die-casting table 1 and is fixedly connected to an air pump 10. Support frames 15 are slidably installed on opposite sides of the die-casting table 1. An electromagnet 23 is slidably provided at the upper end of the support frame 15. The electromagnet 23 is used to adsorb the demolding mold. The staff places the metal plate to be die-cast on the die-casting table 1 and presses the metal plate into shape through the provided die-casting device. At this time, the staff turns on the air pump 10, so that the air pump 10 fills the cavity 11 with air through the air pipe 9. The ejector rod 13 and the other ejection devices provided are moved vertically through the air pressure, so that the ejector rod 13 ejects the die-cast mold. At the same time, the staff starts the sliding device provided under the electromagnet 23, so that the two energized electromagnets 23 move towards the middle, so that the electromagnet 23 adsorbs and transfers the ejected metal sheet, thus avoiding the possible injury to the staff caused by manual demolding.

[0026] As Figures 1-4 shown, a sliding block 12 is fixedly installed at the lower end of the ejector rod 13, an extrusion spring 14 is fixedly installed at one end of the sliding block 12, an auxiliary plate 16 is fixedly installed on one side surface of the support frame 15, a driving device 17 is fixedly installed on the upper surface of the auxiliary plate 16, a rotating shaft 18 is fixedly installed at the output end of the driving device 17. By fixedly installing a sliding block 12 at the lower end of the ejector rod 13 and fixedly installing an extrusion spring 14 at one end of the sliding block 12, when the air pump 10 fills the cavity 11 with gas, it drives the sliding block 12 to move upward, and then drives the extrusion spring 14 and the ejector rod 13 fixedly installed therewith to move upward, thereby ejecting the die cast on the die casting table 1. And when the extrusion spring 14 moves upward, it presses against the inner wall of the cavity 11, so that when the air pump 10 no longer fills the cavity 11 with gas, the ejector rod 13 and the sliding block 12 are driven to reset by the elastic force of the extrusion spring 14. By setting the driving device 17 and fixedly connecting the output end of the driving device 17 to the rotating shaft 18, when the staff turns on the driving device 17, it drives the rotating shaft 18 to rotate.

[0027] As Figures 1-3 shown, at least two connecting plates 19 are fixedly installed on the rotating shaft 18, a connecting rod 20 is rotatably connected to the end of the connecting plate 19 away from the rotating shaft 18, the connecting plate 19 is rotatably connected to the connecting plate 21 through the connecting rod 20, the end of the connecting plate 21 away from the connecting rod 20 is rotatably connected to the electromagnet 23, a sliding plate 22 is fixedly installed on the lower surface of the electromagnet 23, and the sliding plate 22 is slidably connected to the support frame 15. By fixedly connecting the connecting plate 19 to the rotating shaft 18, when the rotating shaft 18 rotates, it drives the connecting plate 19 to rotate together, and then drives the connecting rod 20, the connecting plate 21, and the electromagnet 23 to move together, so that the two electromagnets 23 slide towards the middle. At the same time, a sliding plate 22 is fixedly installed on the lower surface of the electromagnet 23, and the sliding plate 22 is slidably connected to the guiding groove formed on the support frame 15. When the electromagnet 23 slides, it drives the sliding plate 22 to slide in the guiding groove, so that the sliding of the electromagnet 23 is more stable, and at the same time, the support frame 15 does not affect the rotation of the connecting plate 19.

[0028] As Figures 1-2As shown in the figure, an electro-hydraulic push rod 4 is fixedly installed above the die-casting table 1. One end of the electro-hydraulic push rod 4 is fixedly installed with a connecting plate 5. The connecting plate 5 is fixedly connected with a die-casting plate 6 through a connecting spring 7. A plurality of sliding rods 8 are fixedly installed on the upper surface of the die-casting plate 6. A cooling pool 3 is fixedly installed on the upper surface of the die-casting table 1. The cooling pool 3 is used for cooling the mold. By setting the electro-hydraulic push rod 4, and one end of the electro-hydraulic push rod 4 is fixedly installed with a connecting plate 5, and at the same time the connecting plate 5 is fixedly connected with the die-casting plate 6 through a connecting spring 7. When the staff starts the electro-hydraulic push rod 4 to make it extend, it drives the connecting plate 5, the die-casting plate 6, the connecting spring 7 and the sliding rod 8 to move vertically. When the die-casting plate 6 contacts the metal plate to be die-cast, the electro-hydraulic push rod 4 extends, and then the connecting plate 5 continues to move in the direction of the die-casting plate 6, so that the connecting spring 7 is compressed. And there are holes on the connecting plate 5, so that the sliding rod 8 is slidably connected with the holes, so that the die-casting plate 6 can better die-cast the metal plate into shape. By providing sliding grooves on both corresponding sides of the upper surface of the die-casting table 1, and the sliding grooves are slidably connected with the support frame 15 through electric drive wheels. When the energized electromagnet 23 adsorbs the die-cast mold, the staff starts the electric drive wheel to make it slide in the sliding groove towards the cooling pool 3, so that the electromagnet 23 connects the mold above the cooling pool 3. At this time, the staff cuts off the power of the electromagnet 23 so that it no longer adsorbs the metal mold, and then the mold falls into the cooling pool 3 to cool the metal mold, so that the staff can avoid being scalded when contacting the mold. After the mold falls into the cooling pool 3, the staff starts the electric drive wheel to drive the support frame 15 to reset for the next work. At the same time, the driving device 17 is started to reverse, so that the two electromagnets 23 move towards both ends.

[0029] Working principle: The staff places the metal plate to be die-cast on the die-casting table 1. When starting the electro-hydraulic push rod 4 to make it extend, it drives the connecting plate 5, the die-casting plate 6, the connecting spring 7 and the sliding rod 8 to move vertically. After the die-casting plate 6 contacts the metal plate to be die-cast, the electro-hydraulic push rod 4 extends further, so that the connecting plate 5 continues to move towards the die-casting plate 6, thus squeezing the connecting spring 7. There are holes on the connecting plate 5, so that the sliding rod 8 is slidably connected with the holes, and then the die-casting plate 6 can better die-cast the metal plate into shape. After the mold is formed, the staff turns on the air pump 10, so that the air pump 10 fills the cavity 11 with air through the air pipe 9. The air pressure drives the sliding block 12 to move upward, and then drives the compression spring 14 and the ejector rod 13 fixedly installed with it to move upward, so that the ejector rod 13 ejects the die-cast mold. At the same time, when the staff drives the device 17, it drives the rotating shaft 18 to rotate, drives the connecting plate 19 to rotate together, and then drives the connecting rod 20, the connecting plate 21 and the electromagnet 23 to move together, so that the two electromagnets 23 slide towards the middle. At the same time, a sliding plate 22 is fixedly installed on the lower surface of the electromagnet 23, and the sliding plate 22 is slidably connected with the guide groove opened on the support frame 15. Therefore, when the electromagnet 23 slides, it drives the sliding plate 22 to slide in the guide groove, so that the two energized electromagnets 23 move towards the middle, and then the electromagnet 23 adsorbs and transfers the ejected metal sheet, thus avoiding the possible injury to the staff caused by manual demoulding.

[0030] The above is only the preferred specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent replacement or change, and should be covered by the protection scope of the present invention.

Claims

1. A casting mold ejection device, comprising a die casting table (1), characterized in that: The die-casting table (1) is provided with a cavity (11) inside, a push rod (13) is slidably connected inside the cavity (11), the cavity (11) is connected with an air pipe (9), the air pipe (9) extends to the outside of the die-casting table (1) and is fixedly connected with an air pump (10), support frames (15) are slidably installed on the corresponding two sides of the die-casting table (1), an electromagnet (23) is slidably installed on the upper end of the support frame (15), and the electromagnet (23) is used to adsorb the demoulding mold.

2. The in-mold ejection device of a casting mold according to claim 1, characterized in that: A sliding block (12) is fixedly mounted on the lower end of the push rod (13), and a pressing spring (14) is fixedly mounted on one end of the sliding block (12).

3. The in-mold ejection device of a casting mold according to claim 1, characterized in that: An auxiliary plate (16) is fixedly mounted on one side surface of the support frame (15), a driving device (17) is fixedly mounted on the upper surface of the auxiliary plate (16), and a rotating shaft (18) is fixedly mounted on the output end of the driving device (17).

4. The in-mold ejection device of a casting mold according to claim 3, characterized in that: At least two connecting plates (19) are fixedly mounted on the rotating shaft (18); one end of the connecting plate (19) away from the rotating shaft (18) is rotatably connected to a connecting rod (20); and the connecting plate (19) is rotatably connected to a connecting plate (21) via the connecting rod (20).

5. The in-mold ejection device of a casting mold according to claim 4, characterized in that: The end of the connecting plate (21) away from the connecting rod (20) is rotatably connected to the electromagnet (23), and a sliding plate (22) is fixedly mounted on the lower surface of the electromagnet (23), and the sliding plate (22) is slidably connected to the support frame (15).

6. The in-mold ejection device of a casting mold according to claim 5, characterized in that: An electro-hydraulic push rod (4) is fixedly mounted above the die-casting table (1), a connecting plate (5) is fixedly mounted at one end of the electro-hydraulic push rod (4), and the connecting plate (5) is fixedly connected to the die-casting plate (6) via a connecting spring (7).

7. The in-mold ejection device of a casting mold according to claim 6, characterized in that: A plurality of sliding rods (8) are fixedly mounted on the upper surface of the die-casting plate (6), and a cooling pool (3) is fixedly mounted on the upper surface of the die-casting table (1), wherein the cooling pool (3) is used for cooling the mold.

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