CN217196476U - Air valve auxiliary demoulding mechanism of high-pressure resin transfer molding forming die - Google Patents
Air valve auxiliary demoulding mechanism of high-pressure resin transfer molding forming die Download PDFInfo
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- CN217196476U CN217196476U CN202220732478.3U CN202220732478U CN217196476U CN 217196476 U CN217196476 U CN 217196476U CN 202220732478 U CN202220732478 U CN 202220732478U CN 217196476 U CN217196476 U CN 217196476U
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Abstract
The utility model discloses an air valve auxiliary demoulding mechanism of a high-pressure resin transfer molding mould, which is provided with a stably assembled lower mould; the method comprises the following steps: the first sealing ring is nested on the upper surface of the lower die, the end part of the upper surface of the lower die is connected with a product piece, and the lower surface of the lower die is connected with a heat insulation plate; and the vacuumizing pipeline is arranged at the middle end of the inner surface of the lower die, the end part of the inner side of the outer surface of the vacuumizing pipeline is connected with an embedding sleeve, and an embedding needle with an inclined structure is embedded and assembled on the inner surface of the embedding sleeve. The air valve auxiliary demoulding mechanism of the high-pressure resin transfer molding mould is provided with a hydraulic air valve needle system and a hydraulic vacuum pumping valve system, the sealing performance of which can reach 1.8MPA (positive pressure) negative pressure-0.1 MPA of the atmospheric pressure, has excellent high sealing performance and a convenient operation error maintenance method, can be repeatedly maintained and used, and can reduce the damage of products and moulds caused by air valve damage to the minimum in the production process of the products.
Description
Technical Field
The utility model relates to a high pressure resin transfer molding forming die technical field specifically is a high pressure resin transfer molding forming die's supplementary demoulding mechanism of pneumatic valve.
Background
The high-pressure resin transfer molding die is manufactured by a high-pressure vertical transfer molding process, which is abbreviated as HP-RTM, and is used for vertically and oppositely punching and mixing through high pressure and injecting the vertically and oppositely punched and mixed liquid into a vacuum closed die which is paved with a fiber reinforcing material and a preset insert in advance, and obtaining a composite material product through resin flowing mold filling, impregnation, curing and demolding, but the existing high-pressure resin transfer molding die has certain defects in use, such as:
the prior art scheme comprises: the high-pressure resin transfer molding die product is easy to stick to a die due to die opening and demoulding, the demoulding is assisted by using a common standard air valve, and due to the high flowability of resin, the sealing performance of the common air valve cannot be achieved, so that the resin leaks to the air valve and a pipeline of the air valve is damaged, and the continuous production of the die cannot be ensured by the common standard air valve.
Aiming at the problems, innovative design is urgently needed on the basis of the original air valve auxiliary demoulding mechanism.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure resin transfer moulding mould's supplementary demoulding mechanism of pneumatic valve to propose high pressure resin transfer moulding mould product die sinking drawing of patterns and easily glue the mould in solving above-mentioned background art, lead to the product damaged, use the supplementary drawing of patterns of general standard part pneumatic valve, because of the high mobility of resin, the leakproofness of ordinary pneumatic valve can not reach, the pipeline that leads to leaking to pneumatic valve and pneumatic valve of resin leads to damaging, consequently, the continuous production's of mould problem can not be guaranteed to ordinary standard part pneumatic valve.
In order to achieve the above object, the utility model provides a following technical scheme: an air valve auxiliary demoulding mechanism of a high-pressure resin transfer molding mould is provided with a stably assembled lower mould;
the method comprises the following steps:
the first sealing ring is nested on the upper surface of the lower die, the end part of the upper surface of the lower die is connected with a product piece, and the lower surface of the lower die is connected with a heat insulation plate;
the vacuumizing pipeline is arranged at the middle end of the inner surface of the lower die, the end part of the inner side of the outer surface of the vacuumizing pipeline is connected with an embedding sleeve, an embedding needle with an inclined structure is embedded and assembled on the inner surface of the embedding sleeve, and a sealing ring II is embedded and assembled on the upper end of the outer surface of the embedding needle;
the oil storage tank supporting piece is connected to the lower surface of the heat insulation plate, an oil cylinder is connected to the inner side of the outer surface of the oil storage tank supporting piece, a connecting screw rod is embedded in the inner surface of the oil cylinder, and a guide copper sleeve is embedded at the upper end of the inner surface of the oil cylinder and the lower end of the outer surface of the embedded needle.
Through above-mentioned structure, improve leakproofness and convenient misoperation maintenance method when using, can maintain repeatedly and use, can make the damage that leads to product and mould to reduce to the minimum because of the pneumatic valve damage in the product production process, and be convenient for carry out the shaping degree that improves the product.
Preferably, the lower die and the first sealing ring form a nested structure, a gap exists between the inner side of the outer surface of the first sealing ring and the outer surface of the product piece, and the lower surface of the lower die is attached to the upper surface of the heat insulation plate.
Through above-mentioned structure, carry out effectual equipment when using, increase the seal to prevent to influence the preparation of product, and cooperate the laminating device, prevent that the heat from transiting to other parts on, avoid influencing the normal use of part.
Preferably, the heat insulation plate and the vacuum-pumping pipeline form a built-in nesting structure, the inner side of the outer surface of the vacuum-pumping pipeline is attached to the outer surface of the bushing, and the bushing and the lower die form a penetrating structure.
Through the structure, the nested assembly is convenient to carry out when the device is used, the operation of the device is effectively controlled, and the device is prevented from falling off.
Preferably, the insert sleeve and the lower die form a joint sealing structure through the second sealing ring, the insert sleeve and the insert pin form a nested structure, and the upper end of the outer surface of the insert pin is in an inclined structure.
Through the structure, the sealing performance of the device is improved when the device is used, and the gas is convenient to discharge and enter.
Preferably, the insert pin and the insert sleeve form a nested sealing structure through a second sealing ring, the upper surface of the oil storage tank supporting piece is attached to the lower surface of the heat insulation plate, and the oil storage tank supporting piece and the oil cylinder form an integrated structure through an oil pipeline.
Through above-mentioned structure, effectual equipment part when using improves whole result of use, reduces the use of external part.
Preferably, the oil cylinder and the insert pin form a limiting telescopic structure through the connecting screw rod, the insert pin and the guide copper sleeve form a nested penetrating structure, and the insert pin is symmetrically arranged relative to the middle end of the outer surface of the lower die.
Through above-mentioned structure, be convenient for carry out controlling means's position when using, carry out effectual bleeding and admit air to and nest, increase the seal of device, and carry out the multiunit and move simultaneously, improve the stability of device.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the air valve auxiliary demoulding mechanism of the high-pressure resin transfer molding mould is provided with a hydraulic air valve needle system and a hydraulic vacuum pumping valve system, the sealing performance of which can reach 1.8MPA (positive pressure) negative pressure-0.1 MPA of the atmospheric pressure, has excellent high sealing performance and a convenient operation error maintenance method, can be repeatedly maintained and used, and can reduce the damage of products and moulds caused by air valve damage to the minimum in the production process of the products;
2. the air valve auxiliary demoulding mechanism of the high-pressure resin transfer molding mould is provided with a first sealing ring, the sealing performance between an upper mould and a lower mould of the device is improved, the vacuumizing pipeline is arranged in a matched mode, the vacuum air exhaust of the control device is facilitated, or the functions of air blowing and the like are achieved, the embedding needle controlled by the oil cylinder is adjusted in an incompetence mode, the gas and the component are made to work in a matched mode, vacuumizing is effectively conducted, and air outlet are achieved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a lower mold of the present invention in a semi-sectional three-dimensional structure;
FIG. 3 is a schematic diagram of a semi-sectional three-dimensional structure of the vacuum pumping pipeline of the present invention;
fig. 4 is an enlarged schematic perspective view of a portion a in fig. 3 according to the present invention;
fig. 5 is a schematic view of the explosion three-dimensional structure of the present invention.
In the figure: 1. a lower die; 2. a first sealing ring; 3. a product piece; 4. a heat insulation plate; 5. a vacuum pumping pipeline; 6. sleeving; 7. inserting a needle; 8. a second sealing ring; 9. a reservoir support; 10. an oil cylinder; 11. connecting a screw rod; 12. and a guiding copper sleeve.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an air valve assisted demoulding mechanism of a high-pressure resin transfer molding mould is provided with a stably assembled lower mould 1;
the method comprises the following steps:
the sealing ring I2 is nested on the upper surface of the lower die 1, the end part of the upper surface of the lower die 1 is connected with a product piece 3, and the lower surface of the lower die 1 is connected with a heat insulation plate 4;
the lower die 1 and the sealing ring I2 form a nested structure, a gap is reserved between the inner side of the outer surface of the sealing ring I2 and the outer surface of the product piece 3, and the lower surface of the lower die 1 is attached to the upper surface of the heat insulation plate 4.
When using, with the stable nestification of sealing washer one 2 in the upper end of lower mould 1, the leakproofness when being convenient for improve between the upper and lower mould is prevented to leak gas the condition of pressure release and is appeared, and sealing washer one 2 and product spare 3 have certain clearance, and the improvement device carries out effectual production product.
The vacuumizing pipeline 5 is arranged at the middle end of the inner surface of the lower die 1, the end part of the inner side of the outer surface of the vacuumizing pipeline 5 is connected with an insert sleeve 6, an insert needle 7 with an inclined structure is embedded and assembled on the inner surface of the insert sleeve 6, and a sealing ring II 8 is embedded and assembled on the upper end of the outer surface of the insert needle 7;
the oil storage tank supporting piece 9 is connected to the lower surface of the heat insulation plate 4, an oil cylinder 10 is connected to the inner side of the outer surface of the oil storage tank supporting piece 9, a connecting screw rod 11 is nested on the inner surface of the oil cylinder 10, and a guiding copper sleeve 12 is nested at the upper end of the inner surface of the oil cylinder 10 and the lower end of the outer surface of the insert pin 7.
The heat insulation plate 4 and the vacuum-pumping pipeline 5 form a built-in nesting structure, the inner side of the outer surface of the vacuum-pumping pipeline 5 is attached to the outer surface of the bushing 6, and the bushing 6 and the lower die 1 form a penetrating structure.
The insert sleeve 6 and the lower die 1 form a joint sealing structure through the second sealing ring 8, the insert sleeve 6 and the insert pin 7 form a nested structure, and the upper end of the outer surface of the insert pin 7 is in an inclined structure.
The insert pin 7 and the insert sleeve 6 form a nested sealing structure through a second sealing ring 8, the upper surface of the oil storage tank supporting piece 9 is attached to the lower surface of the heat insulation plate 4, and the oil storage tank supporting piece 9 and the oil cylinder 10 form an integrated structure through an oil pipeline.
The oil cylinder 10 and the insert pin 7 form a limit telescopic structure through the connecting screw rod 11, the insert pin 7 and the guide copper sleeve 12 form a nested penetrating structure, and the insert pin 7 is symmetrically arranged relative to the middle end of the outer surface of the lower die 1.
When the vacuumizing movement is started, the outer part of a vacuumizing pipeline 5 is connected with an air pipe, a vacuum pump is connected, a mold and an insert sleeve 6 are connected, an assembly gap between the insert sleeve 6 and an insert needle 7 cannot leak air and downward flash of materials due to the existence of a sealing ring II 8, an oil cylinder 10 is connected with the insert needle 7 through a connecting screw rod 11, the oil cylinder 10 performs downward core pulling action to drive the insert needle 7 to move downwards, a vertical surface at the front part of the insert needle 7 and the sealing ring II 8 on an inclined surface are separated from a sealing area to generate a gap, vacuum negative pressure at a lower clearance part pumps air in a forming surface of a product 3 through the gap to reach-0.09 MPA pressure to achieve a vacuum effect, the oil cylinder 10 performs upward core pulling action to push the insert needle 7 to move upwards until the insert needle 7 is locked to the bottom, the sealing ring II 8 is contacted to generate a sealing effect, the negative pressure on the forming surface of the product 3 achieves the effect, the negative pressure generated on the forming surface of the product needs to install the sealing ring I2 on the parting surface of the mold, otherwise, negative pressure cannot be generated.
The working principle is as follows: when the air valve auxiliary demoulding mechanism of the high-pressure resin transfer molding mould is used, according to the figures 1-5, the device is firstly placed at a position needing to work, and the components have various operation modes, when the vacuumizing motion is started, an air pipe is connected to the outside of a vacuumizing pipeline 5, a vacuum pump is switched on, the mould and the insert sleeve 6 are connected, the assembly gap between the insert sleeve 6 and the insert needle 7 cannot leak air and downward material overflow because of the existence of a sealing ring II 8, an oil cylinder 10 is connected with the insert needle 7 through a connecting screw rod 11, the oil cylinder 10 performs downward core-pulling motion to drive the insert needle 7 to move downwards, the sealing ring II 8 on the front vertical surface and the inclined surface of the insert needle 7 is separated from a sealing area to generate a gap, the vacuum negative pressure at the lower clearance part extracts air in the molding surface of a product part 3 through the gap to reach-0.09 MPA pressure, the vacuum effect is achieved, and the oil cylinder 10 performs upward core-pulling motion, the insert needle 7 is pushed to move upwards until the insert needle 7 is locked to the bottom, the sealing ring II 8 is contacted to generate a sealing effect, the effect is achieved when the negative pressure exists on the molding surface of the product piece 3, the sealing ring I2 needs to be installed on the parting surface of the mold when the negative pressure is generated on the molding surface of the product, otherwise, the negative pressure cannot be generated;
when the air blowing is started: the outer part of the vacuumizing pipeline 5 is connected with an air pipe, pressurized air is communicated, the lower die 1 and the insert sleeve 6 are connected, an assembly gap between the insert sleeve 6 and the insert needle 7 cannot leak air and downward flash of materials because the sealing ring II 8 exists, the oil cylinder 10 is connected with the insert needle 7 through the connecting screw rod 11, the oil cylinder 10 performs downward core pulling action to drive the insert needle 7 to move downward, a vertical surface in the front of the insert needle 7 and the sealing ring II 8 on the inclined surface are separated from a sealing area to generate a gap, and the pressurized air at the lower clearance reaches the forming surface of the product piece 3 through the gap to complete air valve blowing action;
when the air blowing is closed: the oil cylinder 10 makes an upward core pulling action to push the insert needle 7 to move upward until the insert needle 7 is locked to the bottom, and the sealing ring II 8 is contacted to generate a sealing effect to complete the air valve closing action, so that the overall practicability is improved.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An air valve auxiliary demoulding mechanism of a high-pressure resin transfer molding mould is provided with a stably assembled lower mould;
it is characterized by comprising:
the first sealing ring is nested on the upper surface of the lower die, the end part of the upper surface of the lower die is connected with a product piece, and the lower surface of the lower die is connected with a heat insulation plate;
the vacuumizing pipeline is arranged at the middle end of the inner surface of the lower die, the end part of the inner side of the outer surface of the vacuumizing pipeline is connected with an embedding sleeve, an embedding needle with an inclined structure is embedded and assembled on the inner surface of the embedding sleeve, and a sealing ring II is embedded and assembled on the upper end of the outer surface of the embedding needle;
the oil storage tank supporting piece is connected to the lower surface of the heat insulation plate, an oil cylinder is connected to the inner side of the outer surface of the oil storage tank supporting piece, a connecting screw rod is embedded in the inner surface of the oil cylinder, and a guide copper sleeve is embedded at the upper end of the inner surface of the oil cylinder and the lower end of the outer surface of the embedded needle.
2. The valve-assisted ejection mechanism for a high-pressure resin transfer molding die according to claim 1, wherein: the lower die and the first sealing ring form a nested structure, a gap exists between the inner side of the outer surface of the first sealing ring and the outer surface of the product piece, and the lower surface of the lower die is attached to the upper surface of the heat insulation plate.
3. The valve-assisted ejection mechanism for a high-pressure resin transfer molding die according to claim 1, wherein: the heat insulation plate and the vacuumizing pipeline form a built-in nesting structure, the inner side of the outer surface of the vacuumizing pipeline is attached to the outer surface of the bushing, and the bushing and the lower die form a penetrating structure.
4. The valve-assisted ejection mechanism for a high-pressure resin transfer molding die according to claim 1, wherein: the insert sleeve and the lower die form a joint sealing structure through the second sealing ring, the insert sleeve and the insert pin form a nested structure, and the upper end of the outer surface of the insert pin is in an inclined structure.
5. The valve-assisted ejection mechanism for a high-pressure resin transfer molding die according to claim 1, wherein: the insert pin and the insert sleeve form a nested sealing structure through the second sealing ring, the upper surface of the oil storage tank supporting piece is attached to the lower surface of the heat insulation plate, and the oil storage tank supporting piece and the oil cylinder form an integrated structure through an oil pipeline.
6. The valve-assisted ejection mechanism for a high-pressure resin transfer molding die according to claim 1, wherein: the oil cylinder and the insert pin form a limiting telescopic structure through the connecting screw rod, the insert pin and the guide copper sleeve form a nested penetrating structure, and the insert pin is symmetrically arranged relative to the middle end of the outer surface of the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220732478.3U CN217196476U (en) | 2022-03-31 | 2022-03-31 | Air valve auxiliary demoulding mechanism of high-pressure resin transfer molding forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220732478.3U CN217196476U (en) | 2022-03-31 | 2022-03-31 | Air valve auxiliary demoulding mechanism of high-pressure resin transfer molding forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217196476U true CN217196476U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220732478.3U Active CN217196476U (en) | 2022-03-31 | 2022-03-31 | Air valve auxiliary demoulding mechanism of high-pressure resin transfer molding forming die |
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| Country | Link |
|---|---|
| CN (1) | CN217196476U (en) |
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2022
- 2022-03-31 CN CN202220732478.3U patent/CN217196476U/en active Active
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