CN210080667U - Aeroengine aluminum alloy barrel casting mould - Google Patents
Aeroengine aluminum alloy barrel casting mould Download PDFInfo
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- CN210080667U CN210080667U CN201920787424.5U CN201920787424U CN210080667U CN 210080667 U CN210080667 U CN 210080667U CN 201920787424 U CN201920787424 U CN 201920787424U CN 210080667 U CN210080667 U CN 210080667U
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Abstract
The casting mould for the aluminum alloy cylinder part of the aero-engine comprises a pressing mechanism, a forming mechanism and a demoulding mechanism; the pressing mechanism comprises an upper die base, a first linear push rod and an extrusion plate, an accommodating cavity for accommodating the bar is arranged in the upper die base, the bar is contacted and attached with the side surface of the accommodating cavity, the first linear push rod is fixed on the top surface of the upper die base, the extrusion plate is fixedly connected with the first linear push rod, a side groove is formed in one side surface of the accommodating cavity, and a second linear push rod is fixed in the side groove; the forming mechanism comprises a forming female die and a lower die holder, the top surface of the lower die holder is provided with a containing groove for containing the forming female die, the lower die holder is fixed in the containing groove, a forming die cavity is arranged in the forming female die, the forming die cavity comprises a transition channel, a wide die channel, a narrow die channel and an auxiliary demolding channel, the transition die channel is right opposite to the containing cavity, and a vertical groove is arranged in the lower die holder; the demoulding mechanism comprises a third linear push rod and a demoulding plate, and the third linear push rod is fixed in the vertical groove. The utility model has the advantages of convenient and reliable demoulding.
Description
Technical Field
The utility model relates to an aeroengine forges technical equipment field, more specifically relates to aeroengine aluminium alloy barrel spare casting mould.
Background
The aluminum alloy cylinder body of the aircraft engine is a key part forming the aircraft engine, is made of 2A70 aluminum alloy, is subjected to multiple process improvements, and is formed by bar extrusion and finish forging in the conventional forging process, and an aluminum alloy bar-shaped blank is extruded into a prefabricated blank in the bar extrusion stage, so that the stress of the subsequent finish forging forming step is more uniform and reasonable. When in extrusion, the hot metal blank is placed in an extruder, and the hot metal rod is extruded and formed in a forming die hole by pressing the hot metal rod downwards, so that a worker often needs a large force to take out the hot metal rod after the hot metal rod is formed, and the situation of clamping parts is possibly caused, thereby causing troubles to the operation of the worker; the main body of the existing demoulding and ejecting mechanism is often a demoulding needle, the ejecting pressure intensity is large, and if a blank is ejected without cooling and heat dissipation, a formed workpiece is easy to deform. Therefore, effective solutions to the above problems need to be proposed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides an aeroengine aluminium alloy barrel spare casting mould for the drawing of patterns that exist among the solution prior art is got a difficulty, the big problem of ejecting pressure.
The casting mould for the aluminum alloy cylinder part of the aero-engine comprises a pressing mechanism, a forming mechanism and a demoulding mechanism fixed below the forming mechanism;
the pressing mechanism comprises an upper die base, a first linear push rod and a squeezing plate, wherein the first linear push rod is fixed in the upper die base, the squeezing plate is fixed on the linear push rod, an accommodating cavity for accommodating a bar is arranged in the upper die base, the bar is contacted and attached with the side surface of the accommodating cavity, the first linear push rod is fixed on the top surface of the upper die base, a movable rod of the first linear push rod penetrates through the top surface of the upper die base and extends into the accommodating cavity, the squeezing plate is fixedly connected with the movable rod end of the first linear push rod, the side surface of the squeezing plate is contacted and attached with the side surface of the accommodating cavity, a side groove which is horizontally arranged is arranged on one side surface of the accommodating cavity, a second linear push rod is fixed in the side groove, and the movable rod end of the second linear push;
forming mechanism includes shaping die and die holder, the die holder top surface is equipped with the holding the storage tank of shaping die, the die holder is fixed in the storage tank, be equipped with the shaping die cavity in the shaping die, the shaping die cavity is including being located transition passageway, wide mould way, narrow mould way at shaping die top and being located the supplementary drawing of patterns passageway of shaping die bottom, the transition passageway wide mould way narrow mould way supplementary drawing of patterns passageway from last down communicate in proper order, the transition passageway wide mould way narrow mould way the cross-sectional area of supplementary drawing of patterns passageway reduces in proper order, the transition passageway wide mould way narrow mould way the lateral wall between the supplementary drawing of patterns passageway is smooth transition in proper order, the cross sectional shape, the size of transition passageway with the cross sectional shape of holding cavity, The transition die passage is opposite to the accommodating cavity, and a vertical groove communicated with the auxiliary demolding passage is arranged in the lower die base;
the demolding mechanism comprises a third linear push rod and a demolding plate fixed on the third linear push rod, the third linear push rod is fixed in the vertical groove, the demolding plate is fixedly connected with a movable rod end of the third linear push rod, and the side face of the demolding plate is in contact fit with the side face of the auxiliary demolding channel.
Optionally, a plurality of positioning columns are fixed on the bottom surface of the upper die base, the positioning columns are distributed around the accommodating chamber, and positioning holes matched with the positioning columns in an inserting mode are formed in the top surface of the forming female die.
Optionally, the first linear push rod and the third linear push rod are both hydraulic push rods;
the second linear push rod is an electric push rod.
Optionally, a convex edge integrally connected with the lower die base is fixed at the bottom of the side face of the lower die base, the bottom surface of the convex edge is flush with the bottom surface of the lower die base, and a plurality of fixing holes penetrating through the convex edge and allowing bolts to pass through are formed in the top surface of the convex edge.
The utility model has the advantages that:
after a rod-shaped blank is extruded into a formed workpiece, a stripper plate is driven to move upwards through a third linear push rod at the bottom of the casting die, the formed workpiece is slowly ejected out of a forming female die, the formed workpiece enters an accommodating cavity of an upper die base while the forming female die is ejected out, the first linear push rod extends towards the direction of the accommodating cavity, a movable rod end is in contact and abutted with the formed workpiece, the formed workpiece is stably clamped through the abutted friction force, and finally the formed workpiece is clamped and lifted and separated from the forming female die through the integral lifting of an extruder.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic overall structure diagram of an aircraft engine aluminum alloy cylinder casting mold provided by the invention;
FIG. 2 is a schematic structural diagram of an aero-engine aluminum alloy cylinder casting mold provided by the present invention during pre-extrusion;
FIG. 3 is the utility model provides an aeroengine aluminium alloy barrel spare casting die drawing of patterns process's schematic diagram.
In the figure:
101. an upper die holder; 102. a first linear push rod; 103. a pressing plate; 104. an accommodating chamber; 105. a side groove; 106. a positioning column; 107. a second linear push rod; 201. forming a female die; 202. molding a mold cavity; 2021. a transition passage; 2022. a wide die way; 2023. a narrow die way; 2024. an auxiliary stripping channel; 203. a vertical slot; 204. a lower die holder; 205. a convex edge; 206. a fixing hole; 301. a third linear push rod; 302. a stripper plate; 4. positioning holes; 5. a blank; 6. and (5) forming the workpiece.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model provides the following technical solutions:
the casting mould for the aluminum alloy cylinder part of the aero-engine comprises a pressing mechanism, a forming mechanism and a demoulding mechanism fixed below the forming mechanism; the downward pressing mechanism comprises an upper die base 101, a first linear push rod 102 fixed in the upper die base 101 and an extrusion plate 103 fixed on the linear push rod, an accommodating cavity 104 for accommodating a bar is arranged in the upper die base 101, the bar is contacted and jointed with the side surface of the accommodating cavity 104, the first linear push rod 102 is fixed on the top surface of the upper die base 101, a movable rod of the first linear push rod 102 penetrates through the top surface of the upper die base 101 and extends into the accommodating cavity 104, the extrusion plate 103 is fixedly connected with the movable rod end of the first linear push rod 102, the side surface of the extrusion plate 103 is contacted and jointed with the side surface of the accommodating cavity 104, a side groove 105 horizontally arranged is arranged on one side surface of the accommodating cavity 104, a second linear push rod 107 is fixed in the side groove 105, and the movable rod end of the second linear; the forming mechanism comprises a forming female die 201 and a lower die holder 204, the top surface of the lower die holder 204 is provided with a containing groove for containing the forming female die 201, the lower die holder 204 is fixed in the containing groove, a forming die cavity 202 is arranged in the forming female die 201, the forming die cavity 202 comprises a transition channel 2021, a wide die channel 2022, a narrow die channel 2023 and an auxiliary demolding channel 2024, the transition channel 2021, the wide die channel 2022, the narrow die channel 2023 and the auxiliary demolding channel 2024 are sequentially communicated from top to bottom, the cross-sectional areas of the transition channel 2021, the wide die channel 2022, the narrow die channel 2023 and the auxiliary demolding channel 2024 are sequentially reduced, the side walls between the transition channel 2021, the wide die channel 2022, the narrow die channel 2023 and the auxiliary demolding channel 2024 are sequentially and smoothly transited, the cross-sectional shape and size of the transition channel 2021 are consistent with the cross-sectional shape and size of the containing cavity 104, and the transition die channel is right opposite, a vertical groove 203 communicated with the auxiliary demoulding channel 2024 is arranged in the lower die base 204; the demoulding mechanism comprises a third linear push rod 301 and a demoulding plate 302 fixed on the third linear push rod 301, the third linear push rod 301 is fixed in the vertical groove 203, the demoulding plate 302 is fixedly connected with the movable rod end of the third linear push rod 301, and the side surface of the demoulding plate 302 is contacted and attached with the side surface of the auxiliary demoulding channel 2024.
In the above implementation, specifically, the casting mold for the aluminum alloy cylinder of the aircraft engine is applied to a common mold extruder in an aircraft manufacturing plant, a pressing part is integrally fixed on a movable rod body of a hydraulic cylinder for pressing down at the top of the extruder, a forming mechanism is integrally fixed on a receiving platform at the bottom of the extruder, before extrusion begins, a heated rod-shaped blank 5 is firstly placed in a transition passage 2021, then the hydraulic cylinder of the extruder drives an upper mold base 101 to press down, so that a part of the rod-shaped blank 5 extending out of a forming female mold 201 is matched with an accommodating cavity 104 in the upper mold base 101, after the upper mold base 101 is completely pressed down and contacted with the forming female mold 201, a first linear push rod 102 on the upper mold base 101 drives an extrusion plate 103 to press down, so that the rod-shaped blank 5 is completely pressed into the forming female mold 201, in a wide mold passage 2022 and a narrow mold passage 2023, the blank 5 is, after extrusion is completed, a third linear push rod 301 fixed in a vertical groove 203 of the lower die holder 204 drives a stripper plate 302 to move upwards, the molded workpiece 6 is slowly ejected out of the molding female die 201, the molded workpiece 6 enters an accommodating chamber 104 of the upper die holder 101 while being ejected out of the molding female die 201, the first linear push rod 102 extends towards the accommodating chamber 104, a movable rod end is made to contact and abut against the molded workpiece 6, the molded workpiece 6 is stably clamped through the abutting friction force, and finally the molded workpiece 6 is clamped and lifted and separated from the molding female die 201 through integral lifting of an extruder, so that the whole demolding separation process is free from manual direct operation, and the integral contact of the stripper plate 302 with the bottom surface of the molded workpiece 6 also avoids deformation of the molded workpiece 6 caused by overlarge pressure intensity of an ejection mechanism; in addition, the stripping plate 302 is used for stripping, and also participates in the work of extrusion in cooperation with the extrusion plate 103 before the action of the stripping plate, after the extrusion plate 103 presses the blank 5 into the forming female die 201, the stripping plate 302 can timely abut against the bottom end of the blank 5, so that the blank 5 does not continuously move downwards, the bottom of the blank 5 is formed, and the forming quality of the blank 5 is improved; the transition channel 2021, the wide die channel 2022, the narrow die channel 2023, and the auxiliary demolding channel 2024 are described by dividing according to actual needs, wherein the wide die channel 2022 and the narrow die channel 2023 form a die cavity for extruding the shape of the side wall of the aluminum alloy cylinder preform of the aircraft engine, the transition channel 2021 is used for loading and leaving an extrusion space for downward extrusion of the extrusion plate 103, and the auxiliary demolding channel 2024 is used for the mold release plate 302 to extend into and providing an auxiliary space for the demolding and ejecting step.
Furthermore, the bottom surface of the upper die base 101 is fixed with a plurality of positioning columns 106, the positioning columns 106 are distributed around the accommodating chamber 104, the top surface of the forming female die 201 is provided with positioning holes 4 which are inserted and matched with the positioning columns 106, and the positioning columns 106 are arranged to enable the matching of the upper die base 101 and the forming female die 201 to be more accurate and reliable, so that the extrusion quality and the demolding efficiency are further improved.
Further, the first linear push rod 102 and the third linear push rod 301 are hydraulic push rods, and the hydraulic push rods are common linear push devices with large thrust, stability and reliability, and can easily push the extrusion plate 103 to complete extrusion work and push the stripper plate 302 to complete stripping work, so that extrusion is improved; the second linear push rod 107 is an electric push rod, the electric push rod has the advantages of convenience in installation and simplicity and convenience in operation, and when the electric push rod is applied to the second linear push rod 107, the formed workpiece 6 can be clamped and lifted conveniently in time, so that the blanking process is facilitated.
Further, the bottom of the side surface of the lower die holder 204 is fixedly provided with a convex edge 205 integrally connected with the lower die holder 204, the bottom surface of the convex edge 205 is flush with the bottom surface of the lower die holder 204, the top surface of the convex edge 205 is provided with a plurality of fixing holes 206 penetrating through the convex edge 205 and allowing bolts to pass through, the convex edge 205 and the fixing holes 206 facilitate the detachable fixation of the lower die holder 204 and a receiving platform of an extruder through bolts, meanwhile, the convex edge 205 is also beneficial to increasing the contact area between the lower die holder 204 and the receiving platform, the integral pressure of the extruder during extrusion is reduced, and the service life of the extruder is prolonged.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (4)
1. Aeroengine aluminium alloy barrel spare casting mould, its characterized in that:
comprises a pressing mechanism, a forming mechanism and a demoulding mechanism fixed below the forming mechanism;
the pressing mechanism comprises an upper die base (101), a first linear push rod (102) fixed in the upper die base (101) and an extrusion plate (103) fixed on the linear push rod, an accommodating chamber (104) for accommodating a bar is arranged in the upper die base (101), the bar is contacted and attached with the side surface of the accommodating chamber (104), the first linear push rod (102) is fixed on the top surface of the upper die base (101), a movable rod of the first linear push rod (102) penetrates through the top surface of the upper die base (101) and extends into the accommodating chamber (104), the extrusion plate (103) is fixedly connected with the movable rod of the first linear push rod (102), the side surface of the extrusion plate (103) is contacted and attached with the side surface of the accommodating chamber (104), a side groove (105) which is horizontally arranged is arranged on one side surface of the accommodating chamber (104), and a second linear push rod (107) is fixed in the side groove (105), the movable rod end of the second linear push rod (107) points into the accommodating chamber (104);
the forming mechanism comprises a forming female die (201) and a lower die holder (204), a containing groove for containing the forming female die (201) is formed in the top surface of the lower die holder (204), the lower die holder (204) is fixed in the containing groove, a forming die cavity (202) is arranged in the forming female die (201), the forming die cavity (202) comprises a transition channel (2021) positioned at the top of the forming female die (201), a wide die channel (2022), a narrow die channel (2023) and an auxiliary demolding channel (2024) positioned at the bottom of the forming female die (201), the transition channel (2021), the wide die channel (2022), the narrow die channel (2023) and the auxiliary demolding channel (2024) are sequentially communicated from top to bottom, and the cross-sectional areas of the transition channel (2021), the wide die channel (2022), the narrow die channel (2023) and the auxiliary demolding channel (2024) are sequentially reduced, the side walls among the transition channel (2021), the wide die channel (2022), the narrow die channel (2023) and the auxiliary demolding channel (2024) are in smooth transition in sequence, the cross sectional shape and size of the transition channel (2021) are consistent with the cross sectional shape and size of the accommodating chamber (104), the transition channel (2021) is right opposite to the accommodating chamber (104), and a vertical groove (203) communicated with the auxiliary demolding channel (2024) is arranged in the lower die holder (204);
demoulding mechanism includes third straight line push rod (301) and is fixed in stripper plate (302) on third straight line push rod (301), third straight line push rod (301) are fixed in perpendicular groove (203), stripper plate (302) with the movable rod end fixed connection of third straight line push rod (301), the side of stripper plate (302) with supplementary drawing of patterns passageway (2024) side contact laminating.
2. An aircraft engine aluminum alloy barrel casting mold according to claim 1, wherein:
the bottom surface of the upper die base (101) is fixedly provided with a plurality of positioning columns (106), the positioning columns (106) are distributed around the accommodating cavity (104), and the top surface of the forming female die (201) is provided with positioning holes (4) which are inserted and matched with the positioning columns (106).
3. An aircraft engine aluminum alloy barrel casting mold according to claim 1, wherein:
the first linear push rod (102) and the third linear push rod (301) are both hydraulic push rods;
the second linear push rod (107) is an electric push rod.
4. An aircraft engine aluminum alloy barrel casting mold according to claim 1, wherein:
the bottom of the side surface of the lower die base (204) is fixedly provided with a convex edge (205) which is integrally connected with the lower die base (204), the bottom surface of the convex edge (205) is flush with the bottom surface of the lower die base (204), and the top surface of the convex edge (205) is provided with a plurality of fixing holes (206) which penetrate through the convex edge (205) and allow bolts to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920787424.5U CN210080667U (en) | 2019-05-28 | 2019-05-28 | Aeroengine aluminum alloy barrel casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920787424.5U CN210080667U (en) | 2019-05-28 | 2019-05-28 | Aeroengine aluminum alloy barrel casting mould |
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| Publication Number | Publication Date |
|---|---|
| CN210080667U true CN210080667U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920787424.5U Active CN210080667U (en) | 2019-05-28 | 2019-05-28 | Aeroengine aluminum alloy barrel casting mould |
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| CN (1) | CN210080667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891510A (en) * | 2021-06-16 | 2022-01-04 | 安吉热威电热科技有限公司 | Radiation disc structure and processing method of heat insulation ring on radiation disc |
-
2019
- 2019-05-28 CN CN201920787424.5U patent/CN210080667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891510A (en) * | 2021-06-16 | 2022-01-04 | 安吉热威电热科技有限公司 | Radiation disc structure and processing method of heat insulation ring on radiation disc |
| CN113891510B (en) * | 2021-06-16 | 2024-04-26 | 安吉热威电热科技有限公司 | Radiation disc structure and processing method of heat insulation ring on radiation disc |
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