Secondary die-casting forming die for high-temperature solid cylinder

Abstract

The utility model relates to the technical field of forming dies of machine tool machining parts, in particular to a secondary die-casting forming die for a high-temperature solid cylinder, which comprises an upper die square base plate fixed on a sliding block of a press, and a lower die connecting plate fixed on a lower base of the press. A mold square connecting plate and a top head are arranged below the upper mold square base plate; a lower die is arranged above the lower die connecting plate, and a die-casting cavity is formed in the lower die; the lower die is fixed to the lower die connecting plate through the cooling flange, a part is formed into a required shape through two times of die casting of one die, and the beneficial effects of being short in consumed time, high in efficiency and suitable for large-scale production are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of forming dies for machine tool processing parts, in particular to a secondary die-casting forming die for high-temperature solid cylinders. Background Art

[0002] At present, it is known that the forming method of cylindrical metal parts is relatively simple, and the processing is done by lathe or drilling machine, which takes a long time and has low efficiency. If mass production is required, a large amount of manpower and material resources will be consumed. In view of the above technical defects, the utility model provides a secondary die-casting mold for high-temperature solid cylinders, which can die-cast the parts into the required shape through two die-casting of a mold, thereby achieving the beneficial effects of short time consumption, high efficiency and suitability for mass production. Summary of the invention

[0003] The utility model aims to solve the problems existing in the prior art and proposes a lace annular thin-body part forming die.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A secondary die-casting mold for high-temperature solid cylinders, including an upper mold square pad fixed on a slide of a press, a mold lower connecting plate fixed at a lower base of the press, a mold square connecting plate and a top head are arranged below the upper mold square pad; a lower mold is arranged above the mold lower connecting plate, and a die-casting cavity is arranged in the lower mold.

[0006] Furthermore, the lower mold is fixed to the lower connecting plate of the mold through a cooling flange.

[0007] Furthermore, a first positioning hole and a second positioning hole are provided on the square connecting plate of the mold, and the plug includes a long plug and a short plug.

[0008] Furthermore, the long pin is fixed to the first positioning hole via a first flange; and the short pin is fixed to the second positioning hole via a second flange.

[0009] Furthermore, a center hole is provided on the lower connecting plate of the mold, and a lower ejector rod of the mold passes through the center hole and is fixed to the die-casting cavity located above the lower connecting plate of the mold.

[0010] Furthermore, the lower ejector rod of the mold is fixed to the die-casting cavity via an ejector flange.

[0011] Furthermore, a cooling pipe is arranged on the periphery of the lower mold, and an annular compartment is arranged between the lower mold and the cooling pipe.

[0012] Furthermore, the upper end of the cooling pipe is fixed to the lower mold via a supporting flange; a liquid inlet and a liquid outlet are respectively arranged on both sides of the cooling pipe to communicate with the annular compartment.

[0013] Compared with the existing technology, the utility model has the following advantages:

[0014] The utility model provides a secondary die-casting mold for high-temperature solid cylinders, which can die-cast parts into required shapes through two die-castings of a mold, thereby achieving the beneficial effects of short time consumption, high efficiency and suitability for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural diagram of the forming mold in the utility model;

[0016] Figure 2 It is a side view of the forming mold in the utility model;

[0017] Figure 3 It is a cross-sectional view of the forming mold in the utility model.

[0018] In the figure: 1-long ejector head; 2-mold square connecting plate; 3-lower mold; 4-mold lower connecting plate; 5-upper mold square pad; 6-die casting cavity; 7-short ejector head; 8-mold lower ejector rod; 9-ejection flange; 10-cooling flange; 11-cooling pipe; 12-support flange. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1, please refer to Figure 1-Figure 3 A secondary die-casting mold for a high-temperature solid cylinder is disclosed, including an upper mold square pad 5 fixed on a slider of a press, a mold lower connecting plate 4 fixed at a lower base of the press, a mold square connecting plate 2 and a top are arranged below the upper mold square pad 5; a lower mold 3 is arranged above the mold lower connecting plate 4, a die-casting cavity 6 is arranged in the lower mold 3, a center hole is arranged on the mold lower connecting plate 4, a mold lower ejector rod 8 passes through the center hole on the mold lower connecting plate 4 and is fixed to the die-casting cavity 6 located above the mold lower connecting plate 4, and the mold lower ejector rod 8 is fixed to the die-casting cavity 6 by combining with an ejector flange 9.

[0021] Example 2, based on the above Example 1, please continue to refer to Figure 1-Figure 3 In the figure, the lower mold 3 is fixed to the lower connecting plate 4 of the mold through a cooling flange 10, and a positioning hole 1 and a positioning hole 2 of the same size and aperture are arranged on the square connecting plate 2 of the mold. The plug includes a long plug 1 and a short plug 6, wherein the short plug 7 is used to press the metal bar into a semi-finished product, and the long plug is used to press the semi-finished product into a formed product. The long plug 1 is fixed to the positioning hole 1 through a flange 1, and the short plug 7 is fixed to the positioning hole 2 through a flange 2; a cooling pipe is arranged on the periphery of the lower mold 3 11, an annular compartment is arranged between the lower mold 3 and the cooling tube 11, and a liquid inlet and a liquid outlet are respectively arranged on both sides of the cooling tube 11 to connect with the annular compartment, and the annular compartment is used to contain coolant, and the coolant enters the annular compartment through the liquid inlet of the cooling tube 11 to cool the mold, so that the mold can be cooled quickly. After cooling, the coolant is discharged through the liquid outlet, which is a cooling cycle; on the basis of the above embodiment, a supporting flange 12 is arranged at the upper end of the cooling tube 11 to be fixed to the lower mold 3.

[0022] Embodiment 3, on the basis of the above embodiment, the installation and working process of a secondary die-casting mold for high-temperature solid cylinders is as follows: fix the lower connecting plate 4 of the mold to the lower base of the press, and then fix the upper mold square pad 5 to the slide of the press, the long head 1 and the short head 7 are positioned and fixed on the mold square connecting plate 2 through the two positioning holes on the mold square connecting plate 2 and the flange provided, and then tightened and fixed through the threaded holes of the upper mold square pad 5 and the mold square connecting plate 2; the lower mold 3 is tightened and fixed to the lower connecting plate 4 of the mold through the threaded holes and protrusions on the cooling flange 10.

[0023] Embodiment 4, on the basis of the above embodiment, the ejector flange 9 is placed in the die casting cavity 6, and then the lower ejector rod 8 of the mold passes through the center hole on the lower connecting plate 4 of the mold into the die casting cavity 6 and is fixed by the thread and the ejector flange 9, and the mold assembly and fixing is completed at one time.

[0024] Embodiment 5, on the basis of the above embodiment, the heated metal cylindrical solid bar is then placed in the die-casting cavity 6, and the press starts working. First, the short pin 7 is used to die-cast the bar into a semi-finished product. Then, the long pin 1 is changed to the working position through the mold changing mechanism, and the press starts working and die-casting is performed. After the long pin 1 is returned after finishing the work, the lower ejector rod 8 and the ejector flange 9 of the mold work together to eject the part out of the die-casting cavity 6. The oxide scale on the outside of the part is ejected by the ejector flange 9 and falls from the gap next to it and the material hole of the lower connecting plate 4 of the mold.

[0025] Embodiment 6, based on the above embodiment, the annular cavity between the lower mold 3 and the cooling tube 11 is automatically filled with coolant after the mold starts working, and the coolant enters the annular cavity from the liquid inlet of the cooling tube 11, and the liquid is discharged from the liquid outlet of the cooling tube 11 after the mold is cooled.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A secondary die-casting mold for a high-temperature solid cylinder, comprising an upper mold square pad (5) fixed on a slide of a press, and a lower mold connecting plate (4) fixed on a lower base of the press, characterized in that: A die square connecting plate (2) and a top head are arranged below the upper die square pad (5); a lower die (3) is arranged above the die lower connecting plate (4), and a die casting cavity (6) is arranged in the lower die (3).

2. The secondary die-casting mold for a high-temperature solid cylinder according to claim 1, characterized in that: The lower mold (3) is fixed to the mold lower connecting plate (4) via a cooling flange (10).

3. The secondary die-casting mold for a high-temperature solid cylinder according to claim 1, characterized in that: Positioning hole one and positioning hole two are provided on the mold square connecting plate (2), and the plugs include a long plug (1) and a short plug (7).

4. The secondary die-casting mold for a high-temperature solid cylinder according to claim 3, characterized in that: The long top head (1) is fixed to the first positioning hole via a first flange; the short top head (7) is fixed to the second positioning hole via a second flange.

5. The secondary die-casting mold for a high-temperature solid cylinder according to claim 2, characterized in that: A center hole is provided on the mold lower connecting plate (4), and a mold lower ejector rod (8) passes through the center hole and is fixed to the die-casting cavity (6) located above the mold lower connecting plate (4).

6. The secondary die-casting mold for a high-temperature solid cylinder according to claim 5, characterized in that: The lower ejector rod (8) of the mold is connected and fixed to the die-casting cavity (6) via an ejector flange (9).

7. The secondary die-casting mold for a high-temperature solid cylinder according to claim 1, characterized in that: A cooling pipe (11) is arranged on the periphery of the lower mould (3), and an annular compartment is arranged between the lower mould (3) and the cooling pipe (11).

8. The secondary die-casting mold for a high-temperature solid cylinder according to claim 7, characterized in that: The upper end of the cooling pipe (11) is fixed to the lower mold (3) via a supporting flange (12); a liquid inlet and a liquid outlet are respectively provided on both sides of the cooling pipe (11) and communicate with the annular compartment.

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