CN211915375U - Ejection device of large forging for common die forging - Google Patents
Ejection device of large forging for common die forging Download PDFInfo
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- CN211915375U CN211915375U CN201922178871.3U CN201922178871U CN211915375U CN 211915375 U CN211915375 U CN 211915375U CN 201922178871 U CN201922178871 U CN 201922178871U CN 211915375 U CN211915375 U CN 211915375U
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- ejection device
- ejection
- forging
- die
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Abstract
The utility model belongs to the technical field of the die forging, a ejecting device of large-scale forging for ordinary die forging is related to, a serial communication port, ejecting device (1) includes: the ejection device comprises an ejection rod base (11) and an ejection rod (12), wherein the ejection rod base (11) is installed from one side of a mold cavity, the ejection rod (12) is installed from the opposite side of the mold cavity, the ejection rod base (11) and the ejection rod (12) of the ejection device are connected through three countersunk hexagon socket head cap bolts (13), and the ejection device (1) is assembled with the mold (2) for use; the forge piece ejection device (1) is pushed by an ejection device of the die forging equipment for use. The utility model discloses under the condition that does not change original mould, through making dedicated blank demolding ejecting device, use with the mould cooperation, can shorten blank demolding time, can reduce operator working strength again, provide an approach for the demolding behind the die forging of this kind of large-scale mould forging blank.
Description
Technical Field
The utility model belongs to the technical field of ordinary die forging, a ordinary die forging is with large-scale forging ejecting device is related to.
Background
Die forging (forging using special forging dies) is the primary process for mass and batch production of forgings. A special blank is designed and manufactured during the production of large die forgings. Along with the continuous promotion of the automation level of the existing large die forging equipment, the die forging equipment can realize automatic operation. However, in the long-term die forging practical production, the problem that the metal blank is difficult to demould after the die forging production is finished is found, and how to utilize the self-contained ejection device of the forging equipment in the die design is an idea.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the problems that the blank is difficult to demould and is not easy to separate from the die are solved. And secondly, the labor intensity of an operator during blank demolding is greatly reduced.
The utility model provides an ejecting device of large-scale forging for ordinary die forging, ejecting device 1 includes: the ejection device comprises an ejector rod base 11 and an ejector rod 12, wherein the ejector rod base 11 is installed from one side of a mold cavity, the ejector rod 12 is installed from the opposite side of the mold cavity, the ejector rod base 11 and the ejector rod 12 of the ejection device are connected through three countersunk hexagon socket head cap bolts 13, and the ejection device 1 is assembled with the mold 2 for use; the forge piece ejection device 1 is pushed by an ejection device of the die forging equipment for use.
Preferably, the ejector rod 12 is composed of an upper square body and a lower cylinder, and the cross-sectional area of the upper square body parallel to the impact-bearing surface of the die 2 is larger than the cross-sectional area of the cylinder parallel to the impact-bearing surface of the die 2.
Preferably, the upper square body of the ejector rod 12 and the transition platform of the cylinder form a boss, so that the ejector rod 12 can be limited and placed in a mold.
Preferably, the ejection device 1 is assembled with the mold 2 in a clearance mode, so that the forging ejection device 1 can be placed in the mold 2.
Preferably, the side clearance between the ejection device 1 and the die 2 is 0.8-1 mm.
Preferably, the gap between the ejection device 1 and the top of the die 2 is 1.5-2.5mm, so that the problem of excessive local deformation of the blank caused by local stress is prevented.
Preferably, the height of the ejector rod base 11 is lower than the height of the installation part of the mold 2, the height difference between the ejector rod base and the installation part is the maximum ejection distance of the ejection device 1, and the height difference also plays a role in limiting the ejection device 1.
Preferably, the square area of the contact part of the top end of the ejector rod 12 and the blank is consistent with the shape of the die cavity.
Preferably, the device is made of hot work die steel 5 CrNiMo.
The utility model has the advantages that: the utility model discloses under the condition that does not change original mould, through making dedicated blank demolding ejecting device, use with the mould cooperation, can shorten blank demolding time, can reduce operator working strength again, provide an approach for the demolding behind the die forging of this kind of large-scale mould forging blank.
Drawings
FIG. 1: a bottom view of the ejection device;
FIG. 2: a front view of the ejection device;
FIG. 3: a top view of the ejection device;
FIG. 4: the enlarged view of the part A of the ejection device;
FIG. 5: the enlarged view of the local part B of the ejection device;
FIG. 6: a front view of the mold;
FIG. 7: a top view of the mold;
FIG. 8: the mold part C is enlarged.
Detailed Description
The utility model is further explained below:
the utility model provides a general die forging blank of main equipment ejecting device 1 for demolding, as shown in fig. 1-5, the device includes: a ram base 11 and a ram 12.
The technical scheme of the utility model is that: the ejection device 1 for die forging and demolding consists of an ejector rod base 11 and an ejector rod 12 which are completely identical in shape. The ejector 1 is mounted into the mould 2 as shown in figures 6-8. When the fixed die is installed, the position of the ejector rod of the die ejection device is overlapped with that of the ejector rod of the forging equipment, and after die forging is completed, the ejector rod base 11 of the ejection device is pushed by the ejector rod of the die forging equipment, so that the ejector rod 12 pushes a blank, and the blank and the die are quickly separated.
The ejection device can be made of hot-work die steel 5 CrNiMo.
Referring to fig. 6-8, the large structural forgings required for part preparation for a certain type of aircraft are made from the following specifications: the titanium alloy with the diameter of 300mm, the length of 1050mm and the weight of more than 300kg is formed by die forging of special blanks. The size of lower mould cavity is about 1470mm long, and wide 550mm, highly is 170mm, because of the forging size is great, blank and mould die cavity area of contact is big, at the die forging in-process, the blank takes place to bond with the mould die cavity at the forming process, after the die forging shaping, the difficult mould that goes out of blank uses forging equipment's ejector pin base ejecting with ejecting device 1 in the mould, helping hand blank and mould die cavity quick separation under less human intervention, accomplish the demolding process fast.
Claims (8)
1. An ejection device for a large forging for general die forging, characterized in that the ejection device (1) comprises: the ejection device comprises an ejection rod base (11) and an ejection rod (12), wherein the ejection rod base (11) is installed from one side of a mold cavity, the ejection rod (12) is installed from the opposite side of the mold cavity, the ejection rod base (11) and the ejection rod (12) of the ejection device are connected through three countersunk hexagon socket head cap bolts (13), and the ejection device (1) is assembled with the mold (2) for use; the forge piece ejection device (1) is pushed by an ejection device of the die forging equipment for use.
2. The ejection device according to claim 1, wherein the ejector pin (12) is composed of an upper square body and a lower cylinder, and the cross-sectional area of the upper square body parallel to the striking surface of the die (2) is larger than the cross-sectional area of the cylinder parallel to the striking surface of the die (2).
3. The ejection device according to claim 1, characterized in that the upper square of the ejector rod (12) forms a boss with the transition platform of the cylinder, and the ejector rod (12) is positioned in the mold (2) in a limiting manner.
4. The ejection device according to claim 1, characterized in that the ejection device (1) is used in clearance fit with the die (2), the forging ejection device (1) being placed in the die (2).
5. Ejection device according to claim 1, characterized in that the clearance between the ejection device (1) and the side of the mould (2) is 0.8-1 mm.
6. Ejection device according to claim 1, characterized in that the clearance between the ejection device (1) and the top of the mould (2) is 1.5-2.5 mm.
7. The ejection device according to claim 1, wherein the height of the ejector pin base (11) is lower than the height of the installation part of the mold (2), the height difference between the ejector pin base and the installation part is the maximum ejection distance of the ejection device (1), and the height difference has a limiting effect on the ejection device (1).
8. The ejection device according to claim 1, wherein the square area of the contact portion of the top end of the ejector rod (12) and the blank is consistent with the shape of the mold cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178871.3U CN211915375U (en) | 2019-12-06 | 2019-12-06 | Ejection device of large forging for common die forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178871.3U CN211915375U (en) | 2019-12-06 | 2019-12-06 | Ejection device of large forging for common die forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211915375U true CN211915375U (en) | 2020-11-13 |
Family
ID=73324604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922178871.3U Active CN211915375U (en) | 2019-12-06 | 2019-12-06 | Ejection device of large forging for common die forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211915375U (en) |
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2019
- 2019-12-06 CN CN201922178871.3U patent/CN211915375U/en active Active
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