CN217531603U - Heat insulation end socket die for engine - Google Patents
Heat insulation end socket die for engine Download PDFInfo
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- CN217531603U CN217531603U CN202221241283.5U CN202221241283U CN217531603U CN 217531603 U CN217531603 U CN 217531603U CN 202221241283 U CN202221241283 U CN 202221241283U CN 217531603 U CN217531603 U CN 217531603U
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Abstract
The utility model discloses an adiabatic head mould of engine, include: a female die assembly; the first male die is arranged at the top of the female die assembly, and the bottom surface of the first male die, facing the female die assembly, is a first die surface; the second male die is arranged at the top of the female die assembly, and the bottom surface of the second male die, facing the female die assembly, is a second die surface, wherein the first male die and the second male die are used for replacing the female die assembly, and the distance from the first die surface to the female die assembly is greater than the distance from the second male die to the female die assembly; a mounting base located in the center of the female die assembly; the first male die or the second male die is provided with a first limiting part, the top surface of the mounting seat supports the first limiting part, and the height of the top surface of the mounting seat is between the first die surface and the second die surface. The utility model provides a soft material layer of adiabatic head spill over the problem from moulding groove edge easily at the mould pressing in-process.
Description
Technical Field
The utility model relates to an engine mould technical field especially relates to an adiabatic head mould of engine.
Background
The end socket is an important structural component of a solid rocket engine, is used for bearing the rapid erosion of the high-temperature and high-speed gas flow ablation and convergence parts of the engine, and has very bad use environment, so the end socket has higher heat insulation requirement.
At present, most of the heat insulating layer forming processes in China are that heat insulating material raw materials are adhered to the inner wall of a combustion chamber shell, curing forming is carried out at high temperature and high pressure by means of air bag inflation pressurization under the condition that two ends are closed, and meanwhile, interface bonding of the heat insulating layer and the shell is completed.
The soft material is positioned in the mould pressing groove before high-pressure solidification, the height of the edge of the mould pressing groove corresponds to the target height of the soft material, and the soft material is easy to overflow from the edge of the mould pressing groove in the process of pressurizing the soft material by the male die.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an adiabatic head mould of engine, the soft materials layer of effectively solving adiabatic head is at the mould pressing in-process problem that overflows from moulded groove edge easily.
The utility model provides an adiabatic head mould of engine, include: a female die assembly; the first male die is arranged at the top of the female die assembly, and a first die surface is arranged on one side of the first male die, which faces the female die assembly; the second male die is arranged at the top of the female die assembly, and one side, facing the female die assembly, of the second male die is a second die surface, wherein the first male die and the second male die are used for replacing the female die assembly, and the distance from the first die surface to the female die assembly is larger than the distance from the second male die to the female die assembly; a mounting seat located in the center of the female die assembly; the first male die or the second male die is provided with a first limiting part, the top surface of the mounting seat supports the first limiting part, and the height of the top surface of the mounting seat is between the first die surface and the second die surface.
The technical effect achieved after the technical scheme is adopted is as follows: the bottom surface of the second male die is lower than that of the first male die, and a second die pressing groove is formed for curing and forming the bottom layer material of the heat-insulating end socket of the engine when the second male die is pressurized at the top of the female die assembly; after the second male die is replaced by the first male die, a gap is formed between the first male die and the bottom layer material to form a first die pressing groove for curing and forming the second layer material, so that die pressing manufacturing of different material layers is realized; correspondingly, the number of the male molds is increased, so that the number of the material layers can be increased; when a soft material layer is arranged between the first die surface and the second die surface, the soft material is accommodated on one side, facing the first die pressing groove, of the first limiting part, so that the soft material is prevented from overflowing from the position between the bottom surface of the first limiting part and the top surface of the mounting seat to cause waste.
Further, the adiabatic head mould of engine still includes: the female die base is arranged at the bottom of the female die assembly; the mounting seat comprises a base supporting surface, and the inward end of the female die base is arranged on the base supporting surface.
The technical effect achieved after the technical scheme is adopted is as follows: the female die base is used for supporting the female die assembly, so that the strength of the female die assembly is improved, and the female die assembly is prevented from being deformed in the die pressing process; the mounting seat supports the inner side of the female die base, so that the stability of the female die base is further improved.
Further, the engine heat insulation end socket die also comprises a male die extension piece, wherein the male die extension piece surrounds the outer side of the first male die or the outer side of the second male die; the top surface of the female die base is connected with the male die extension piece.
The technical effect achieved after the technical scheme is adopted is as follows: the female die base is used for supporting the male die extending piece, and meanwhile, the die pressing action of the first male die or the second male die is limited, so that the female die assembly or the heat insulation end socket is prevented from deforming.
Further, the female mold base comprises: the female die comprises a female die base, a first discharging groove and a first discharging channel, wherein the first discharging groove and the first discharging channel correspond to the bottom of the male die extension piece, the first discharging groove is circumferentially arranged on the top surface of the female die base, and the first discharging groove is communicated to the outer side surface of the female die base through at least one first discharging channel.
The technical effect achieved after the technical scheme is adopted is as follows: during the molding process of the first male mold or the second male mold, a small amount of material overflowing from the top of the female mold base is collected in the first discharging groove and can be discharged from the first discharging channel; first row of silo circumference sets up, and is corresponding, first row of material passageway also can circumference sets up, avoids the material of mould pressing to spill over from arbitrary one side.
In a further aspect of the present invention, one end of the female die assembly, which is far away from the mounting seat, is in contact with the bottom of the male die extension piece.
The technical effect achieved after the technical scheme is adopted is as follows: the male die extension piece plays a role in limiting and sealing the edge of the heat insulation end socket material.
Further, the female die assembly further comprises: female die unit and female die installed part, female die unit bottom is equipped with the female die mounting groove, female die installed part is located the female die mounting groove, female die installed part is connected the mount pad.
The technical effect achieved after the technical scheme is adopted is as follows: the female die mounting piece is used for stably mounting the female die unit to the mounting seat, so that the heat insulation end socket is convenient to form; the female die unit and the female die mounting are produced separately and assembled to each other so that they can be two parts of different materials, for example, the female die unit is made of a corrosion-resistant or heat-insulating material, and the female die mounting is made of a high-strength material.
Further, the top of the mounting seat is provided with at least one supporting step, and the female die assembly is matched with the supporting step.
The technical effect achieved after the technical scheme is adopted is as follows: the supporting step further improves the radial precision of the female die assembly on the mounting seat, so that the female die assembly is more stable, and the shape of the heat insulation end socket is more standard.
Further, the mount pad includes second row material groove and second row material passageway, the second row material groove corresponds the bottom of first spacing portion, second row material groove circumference is seted up in the mount pad top surface, second row material passageway circumference is seted up in the medial surface of mount pad, second row material groove intercommunication the second row material passageway.
The technical effect achieved after the technical scheme is adopted is as follows: during the molding process of the first male mold or the second male mold, a small amount of material overflowing from the top surface of the mounting seat can be collected in the second discharge groove and can be discharged from the second discharge channel to the bottom of the mounting seat.
Further, the first male die comprises a second limiting part, the second limiting part extends into the mounting seat, and the second limiting part covers the second discharge channel.
The technical effect achieved after the technical scheme is adopted is as follows: the second limiting part further guides the liquid materials in the second discharge channel to flow vertically downwards, and a small amount of overflowed liquid materials are convenient to recover.
Further, the engine heat insulation end socket die further comprises at least one air bag groove, and the air bag groove is circumferentially arranged at the top of the first male die or the top of the second male die.
The technical effect achieved after the technical scheme is adopted is as follows: the air bag groove is used for accommodating an air bag, pressurization of the first male die and the second male die is achieved through inflation of the air bag, and material curing and forming are facilitated.
In summary, the above technical solutions of the present application may have one or more of the following advantages or beneficial effects: i) The top surface of the second male die is lower than that of the first male die, and when the second male die is installed to the top of the female die assembly, a second die pressing groove is formed and used for curing and forming bottom layer materials of the heat-insulating end socket of the engine; ii) after the second male die is replaced by the first male die, a gap is formed between the first male die and the bottom layer material to form a first die pressing groove for curing and forming the second layer material, so that die pressing manufacturing of different material layers is realized; iii) When a soft material layer is arranged between the first die surface and the second die surface, the soft material is accommodated at one side of the first limiting part facing the first die pressing groove, and the side surface of the first limiting part can avoid the waste caused by the fact that the soft material largely overflows from the space between the bottom surface of the first limiting part and the top surface of the mounting seat; iv) the first discharge chute, the first discharge channel, the second discharge chute and the second discharge channel are capable of collecting overflow material.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an engine heat insulation head mold provided by an embodiment of the present invention.
Fig. 2 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is a partially enlarged view of the region I in fig. 2.
Figure 4 is a schematic view of the connection of the second male die to the mounting block.
Figure 5 is a schematic view of the construction of the first male mold of figure 2.
Fig. 6 is a schematic structural view of the mounting base in fig. 2.
Fig. 7 is a schematic view of the structure of the female mold base of fig. 2.
Description of the main element symbols:
100 is an engine heat insulation end socket die; 110 is a female die assembly; 111 is a female die unit; 112 is a female die mount; 120 is a first male mold; 121 is a first die surface; 122 is a first position-limiting part; 123 is a male die extension piece; 124 is an air bag groove; 125 is a second limiting part; 130 is a second male die; 131 is a second die face; 140 is a mounting seat; 141 is a supporting step; 142 is a second discharge chute; 143 is a second discharge channel; 144 is a guide bevel; 150 is a female mold base; 151 is a first discharging groove; 152 is a first discharge passage.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 7, it is an engine heat insulation end socket mold 100 provided by the embodiment of the present invention, including: a female die assembly 110; the first male die 120 is arranged at the top of the female die assembly 110, and a first die surface 121 is arranged on one side, facing the female die assembly 110, of the first male die 120; a second male die 130, the second male die 130 is disposed on the top of the female die assembly 110, and a second die surface 131 is disposed on a side of the second male die 130 facing the female die assembly 110, wherein the first male die 120 and the second male die 130 are used for replacement on the female die assembly 110, and a distance from the first die surface 121 to the female die assembly 110 is greater than a distance from the second male die 130 to the female die assembly 110; a mount 140, the mount 140 being located centrally of the female die assembly 110; the first male die 120 or the second male die 130 is provided with a first limiting portion 122, the top surface of the mounting seat 140 supports the first limiting portion 122, and the height of the top surface of the mounting seat 140 is between the first die surface 121 and the second die surface 131.
In this embodiment, when the second male mold 130 is pressed on the top of the female mold assembly 110, a second molding groove is formed for curing and molding the bottom material of the engine heat insulation end socket; after the second male die 130 is replaced by the first male die 120, because the bottom surface of the second male die 130 is lower than the bottom surface of the first male die 120, a gap is formed between the first male die 120 and the top surface of the bottom layer material to form a first die pressing groove, so that the curing and molding of the second layer material can be realized after the first male die 120 is pressurized, and the die pressing manufacturing of different material layers is realized; correspondingly, the number of the male molds is increased, so that the number of the material layers can be increased; when the soft material layer is disposed between the first mold surface 121 and the second mold surface 131, the soft material flows to both sides under the extrusion of the first male mold 120, and the first limiting portion 122 can block the flow of the soft material, so that the soft material is accommodated at one side of the first limiting portion 122 facing the first mold pressing groove, and the soft material is prevented from overflowing from the bottom surface of the first limiting portion 122 and the top surface of the mounting seat 140 to cause waste.
In a particular embodiment, the engine insulating head mold 100 further comprises, for example: a female mold base 150, the female mold base 150 being provided at the bottom of the female mold assembly 110. The bottom surface of the female die assembly 110 and the top surface of the female die base 150 are cambered surfaces matched with each other, so that the female die base 150 can effectively support the female die assembly 110, the strength of the female die assembly 110 is improved, and the female die assembly 110 is prevented from being deformed in the die pressing process.
Preferably, the mounting block 140 includes a base support surface on which the inwardly facing end of the female mould base 150 is located. For example, the side of the female mold base 150 facing the central axis thereof is provided with an opening, and the end of the mounting base 140 away from the central axis thereof penetrates into the opening, so as to support the female mold base 150. The mount 140 supports the inside of the female mold base 150, further improving the stability of the female mold base 150.
In a particular embodiment, the engine insulating head mold 100 further comprises, for example: and the male die extension piece 123, wherein the male die extension piece 123 surrounds the outer side of the first male die 120 or the second male die 130. For example, the bottom surface of the male die extension 123 is a horizontal surface, the horizontal surface is connected with the arc surface at the bottom of the first male die 120 or the second male die 130, and the top surface of the female die base 150 is connected with the horizontal surface at the bottom of the male die extension 123, so that the female die base 150 can support the male die extension 123. Meanwhile, in the process of pressurizing the first male die 120 or the second male die 130, the female die base 150 is matched with the male die extension piece 123, namely, the first male die 120 or the second male die 130 is limited, so that the first male die 120 or the second male die 130 is prevented from further descending, a material layer formed by pressurizing the first male die 120 or the second male die 130 is not easy to deform, and meanwhile, the female die assembly 110 is prevented from deforming.
In a particular embodiment, the female mold base 150 includes, for example: a first discharge groove 151 and a first discharge channel 152, the first discharge groove 151 and the first discharge channel 152 corresponding to the bottom of the male die extension 123. For example, the first discharging groove 151 is circumferentially formed in the top surface of the female mold base 150 to form an annular structure, and the first discharging groove 151 has a distance from the arc-shaped bottom surface of the first male mold 120 or the second male mold 130, so that the liquid material for mold pressing does not easily seep out during the mold pressing process of the first male mold 120 or the second male mold 130, and a small amount of overflowing liquid material can be collected in the first discharging groove 151 to achieve collection.
Preferably, the first discharging groove 151 communicates with the outer side surface of the female mold base 150 through at least one first discharging passage 152, and the liquid material in the first discharging groove 151 can be discharged from the first discharging passage 152. For example, the first discharging channel 152 is arranged along the radial direction of the first male die 120 or the second male die 130, and the first discharging channel 152 is equally spaced around the first male die 120 or the second male die 130, so that the liquid material overflowing from either side can be collected.
In a particular embodiment, the end of the female die assembly 110 remote from the mounting block 140 contacts the bottom of the male die extension 123. The male die extension 123 acts as a stop and seal against the edge of the insulating head material, and the liquid material does not easily overflow the top of the female die assembly 110.
In a particular embodiment, the female die assembly 110 further comprises, for example: a female die unit 111 and a female die mounting member 112, the bottom of the female die unit 111 being provided with a female die mounting groove, the female die mounting member 112 being provided in the female die mounting groove, the female die mounting member 112 being connected to the mounting base 140. The female die mounting piece 112 is used for stably mounting the female die unit 111 to the mounting seat 140, so that the heat insulation end socket is convenient to form; the female die unit 111 and the female die mounting member 112 are separately produced and assembled with each other so that they may be two parts different in material, for example, the female die unit 111 may be made of a corrosion-resistant or heat-insulating material, and the female die mounting member 112 may be made of a high-strength material, thereby simultaneously performing heat insulation, support, and the like.
Preferably, the side of the cavity block mounting groove adjacent to the cavity block 111, for example, the side of the cavity block 111 is of thin-walled construction, and the cavity block mounting groove side is deformable to facilitate mounting and locking of the cavity block mounting member 112.
In a specific embodiment, the mounting seat 140 is provided with at least one supporting step 141 on the top, and the female mold assembly 110 is engaged with the supporting step 141. For example, the other side of the female mold unit 111 opposite the thin-walled structure may be fitted with the mount 140 through a plurality of support steps 141; the bottom of the female die mount 112 may also be engaged with a mount 140 by a plurality of support steps 141. The horizontal plane at the top of the supporting step 141 is used for supporting the female die assembly 110, and the side surface of the supporting step 141 is used for realizing radial positioning of the mounting seat 140 for the female die assembly 110, so that the radial precision of the female die assembly 110 on the mounting seat 140 is further improved, the female die assembly 110 is more stable, and the shape of a heat insulation end socket is more standard.
In a specific embodiment, the mounting base 140 includes, for example, a second discharging groove 142 and a second discharging channel 143, the second discharging groove 142 corresponds to the bottom of the first limiting portion 122, the second discharging groove 142 is circumferentially opened on the top surface of the mounting base 140, and a gap is formed between the side surface of the mounting base 140 facing the female mold assembly 110 and the second discharging groove 142, in which the top surface of the mounting base 140 abuts against the bottom surface of the first limiting member, so that the liquid material is not easily overflowed from the top of the mounting base 140 during the molding process of the first male mold 120 or the second male mold 130, and even if a small amount of liquid material enters between the mounting base 140 and the first limiting member, the liquid material can be collected in the second discharging groove 142.
Preferably, the second discharge channel 143 is circumferentially opened on the inner side surface of the mounting seat 140, and the second discharge groove 142 is communicated with the second discharge channel 143, so that the liquid material can flow downward along the inner side surface of the mounting seat 140 and be discharged to the bottom of the mounting seat 140.
Preferably, the first male die 120 includes a second position-limiting portion 125, the second position-limiting portion 125 extends into the mounting seat 140, and the second position-limiting portion 125 covers the second discharging channel 143. For example, the inner side surface of the mounting seat 140 forms a cylindrical cavity, the second limiting portion 125 matches with the cylindrical cavity, and the second limiting portion 125 further guides the liquid material in the second discharge channel 143 to flow vertically downward, so as to facilitate recovery of a small amount of overflow liquid material.
Preferably, a guide slope 144 is provided between the second discharge groove 142 and the second discharge channel 143, and the guide slope 144 further guides the liquid material to flow from the second discharge groove 142 to the second discharge channel 143, so as to avoid the liquid material from being retained in the second discharge groove 142.
In a particular embodiment, the engine insulating head mold 100, for example, further comprises at least one bladder slot 124, the bladder slot 124 being circumferentially open at the top of the first male mold 120 or the top of the second male mold 130. The air bag groove 124 is used for accommodating an air bag, and the first male die 120 and the second male die 130 are pressurized by inflating the air bag, so that the material can be cured and formed conveniently.
Preferably, the top of the first male mold 120 or the top of the second male mold 130 is divided into a plurality of air bag grooves 124 by a plurality of radially arranged partition plates, so as to increase the volume of the air bag grooves 124 and improve the pressurization effect of the air bag.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An engine insulation head mould, characterized by comprising:
a female die assembly;
the first male die is arranged at the top of the female die assembly, and one side of the first male die, which faces the female die assembly, is a first die surface;
the second male die is arranged at the top of the female die assembly, and a second die surface is arranged on one side of the second male die, which faces the female die assembly, wherein the first male die and the second male die are used for replacing the female die assembly, and the distance from the first die surface to the female die assembly is greater than the distance from the second male die to the female die assembly;
a mounting seat located in the center of the female die assembly;
the first male die or the second male die is provided with a first limiting part, the top surface of the mounting seat supports the first limiting part, and the height of the top surface of the mounting seat is between the first die surface and the second die surface.
2. The engine insulating head mold according to claim 1, further comprising:
the female die base is arranged at the bottom of the female die assembly;
the mounting seat comprises a base supporting surface, and the inward end of the female die base is arranged on the base supporting surface.
3. The engine insulation end socket die according to claim 2, further comprising a male die extension piece, wherein the male die extension piece surrounds the outer side of the first male die or the second male die;
the top surface of the female die base is connected with the male die extension piece.
4. The engine insulating head mold of claim 3, wherein the female mold base comprises:
the female die comprises a female die base, a female die, a first discharging channel and a first discharging channel, wherein the female die base is provided with a top surface, the top surface is provided with a female die base, the female die base is provided with a plurality of female die extension pieces, and the female die base is provided with a plurality of female die extension pieces.
5. The engine insulating head tooling of claim 3, wherein an end of the female die assembly distal from the mounting block contacts a bottom of the male die extension.
6. The engine insulated head die of claim 1, wherein the female die assembly further comprises: female die unit and female die installed part, female die unit bottom is equipped with the female die mounting groove, female die installed part is located the female die mounting groove, female die installed part is connected the mount pad.
7. The engine insulating head die of claim 1, wherein the top of the mounting block is provided with at least one support step, and the female die assembly is engaged with the support step.
8. The engine heat insulation end socket die according to claim 1, wherein the mounting seat comprises a second discharge groove and a second discharge channel, the second discharge groove corresponds to the bottom of the first limiting portion, the second discharge groove is circumferentially arranged on the top surface of the mounting seat, the second discharge channel is circumferentially arranged on the inner side surface of the mounting seat, and the second discharge groove is communicated with the second discharge channel.
9. The engine insulating head die according to claim 8, wherein the first male die comprises a second limiting portion, the second limiting portion extends into the mounting seat, and the second limiting portion covers the second discharge channel.
10. The engine insulating head die according to claim 1, further comprising at least one air pocket groove circumferentially opened at a top of the first male die or a top of the second male die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221241283.5U CN217531603U (en) | 2022-05-23 | 2022-05-23 | Heat insulation end socket die for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221241283.5U CN217531603U (en) | 2022-05-23 | 2022-05-23 | Heat insulation end socket die for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217531603U true CN217531603U (en) | 2022-10-04 |
Family
ID=83442151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221241283.5U Active CN217531603U (en) | 2022-05-23 | 2022-05-23 | Heat insulation end socket die for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217531603U (en) |
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2022
- 2022-05-23 CN CN202221241283.5U patent/CN217531603U/en active Active
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