CN208392703U - A kind of molding die of quickly porous compression manufacturing process - Google Patents
A kind of molding die of quickly porous compression manufacturing process Download PDFInfo
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- CN208392703U CN208392703U CN201820754173.6U CN201820754173U CN208392703U CN 208392703 U CN208392703 U CN 208392703U CN 201820754173 U CN201820754173 U CN 201820754173U CN 208392703 U CN208392703 U CN 208392703U
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Abstract
The utility model discloses a kind of molding dies of quickly porous compression manufacturing process, including the panel and bottom plate being fastened on the top board and lower platen of press；Die device includes A plate, B plate, upper cores and lower mode；Upper cores are fixed on A plate, and lower mode is fixed on B plate, and upper cores and lower mode open and close type are distributed shape forming cavity, A plate and B plate and are fixed by support fixing piece with panel and bottom plate；Injecting systems are mounted between panel and A plate；Pumped vacuum systems is fixed between panel and A plate；Pressure sensor is distributed in upper cores；Sealing device, which is partially submerged into, to be mounted in the lower mode opposite with upper cores, and is located at the both ends of type chamber.The utility model injecting glue speed is fast, and type chamber vacuum degree is high, so that interiors of products not bubbles；By the design of pressure sensor, real-time monitoring and the intracavitary injection pressure and cavity pressure of feedback-type facilitate user to adjust injection process and injecting glue amount by the variation of pressure, avoid wastage of material caused by excessive injecting glue.
Description
Technical field
The utility model relates to RTM technical fields, more particularly to a kind of shaping mould of quickly porous compression manufacturing process
Tool.
Background technique
RTM (Resin Transfer Molding) is the abbreviation of resin transfer molding.It originated from for the 50's
Cold mould casting process, have more than 40 years history so far, but RTM technique is really paid attention to by people, and obtains fast
Speed development only has the history of nearly more than ten years.Since the technique has, high-efficient, investment is low, working environment is good, low energy consumption, technique is suitable
The series of advantages such as Ying Xingqiang, therefore gain great popularity, it quickly grows.It is widely used in building, traffic, telecommunication, health, aviation boat
Each field such as it.
RTM is such as in mold cavity, to consolidate resin injection under high pressure-temperature with the fiber being pre-placed using high pressure
Chemical conversion type, it is desirable that mold can bear the features such as high temperature and pressure and favorable sealing property.
Existing RTM forming technique is in being applied to composite material shaping process, and there are the following problems: 1, machine and mold are matched
Close it is not sufficiently good, vacuumize and be vented it is unreasonable, seal it is unreasonable so that interiors of products has bubble；2, do not have in mold cavity
Pressure detecting and feedback device need largely to inject resin adhesive liquid until glue just can decide whether to store from the intracavitary spilling of type
It is full, it is uncontrollable for injection of glue liquid amount and injection pressure, and cause the waste of resin glue；3, resin impregnated effect is poor, molding
Product surface has the phenomenon that current mark and fiber unrest line, reduces product appearance quality；4, shaped article is easy mucous membrane, and demoulding is difficult.
Utility model content
The utility model mainly solving the technical problems that provide it is a kind of quickly it is porous compression manufacturing process molding die,
It is able to solve the above problem existing for existing RTM forming technique.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of quickly porous pressure
The molding die of contracting manufacturing process, comprising: panel, bottom plate, support fixing piece, die device, injecting systems, pumped vacuum systems,
Pressure sensor and sealing element；The panel and bottom plate are fastened on respectively on the top board and lower platen of press；The mold dress
Setting between the panel and bottom plate, including A plate, B plate, upper cores and lower mode；The upper cores are fixed on institute
It states on A plate, the lower mode is fixed on the B plate, and the A plate and B plate are opposite with the upper cores and lower mode
The distribution of direction open and close type, and shape forming cavity, wherein the A plate and B plate pass through respectively the support fixing piece and the panel and
Bottom plate is fixedly connected；The injecting systems are mounted between the panel and A plate, and have multiple injection heads；It is described to vacuumize
System is fixed between the panel and A plate, and is located at two ends of the upper cores, and exhaust tube is inserted into the type chamber
It is interior；The pressure sensor is distributed in the upper cores；The sealing device, which is partially submerged into, to be mounted on and the upper cores phase
Pair the lower mode in, and be located at the type chamber both ends.
In one preferred embodiment of the utility model, the sealing element includes the flange sealing ring being spaced apart and O shape
Sealing ring, wherein the O-ring seals are close to the type chamber.
In one preferred embodiment of the utility model, the A plate be located at the upper cores upper surface and the pumping
The part that pipe connects has cushion chamber, and the left and right sides that the exhaust tube is located in the cushion chamber has the first sealing ring, institute
The outside top for stating cushion chamber, which has, is nested with the second sealing ring on the exhaust tube.
In one preferred embodiment of the utility model, the injecting systems include injection head and injection head mounting rack,
In, the injection head mounting rack is fixed on the surface of the A plate Yu the panel opposite side；Multiple injection heads are solid
It is scheduled in the injection head mounting rack, gum outlet end is inserted into the upper cores, and is connected to the type chamber.
In one preferred embodiment of the utility model, the gum outlet end includes injection port, Jiao Kou and glue groove；Wherein,
The Jiao Kou is located at the lower end of the injection port, and glue runner is pyramidal structure, and the glue groove is located at the bottom end of the Jiao Kou,
Its section is arc-shaped structure；The maximum gauge of the pyramidal structure is less than the internal diameter of the injection port, the arc-shaped structure
Diameter be less than the pyramidal structure minimum diameter.
In one preferred embodiment of the utility model, the heated oil of perforation is embedded in the A plate and B plate.
It further include fiber fastening strip in one preferred embodiment of the utility model, the fiber fastening strip is a part of embedding
Enter in the lower mode, another part protrudes into that the type is intracavitary, protrudes into the intracavitary height of the type and accounts for the type chamber height
0.4~1 times.
It further include ejection system, the ejection system is fixed on institute in one preferred embodiment of the utility model
It states between bottom plate and B plate, including oil cylinder, mandril and sleeve；The mandril is inserted into the sleeve, one end and the oil cylinder
Power output end connection, the other end be connected to the type chamber, the both ends distribution of the sleeve and the oil cylinder and type chamber company
Sealing is connect, the part between the oil cylinder and type chamber is connected to pressure-air.
It further include anti-sticking membranous system in one preferred embodiment of the utility model, the anti-sticking membranous system installation is fixed
Between the panel and A plate, including oil cylinder, mandril and sleeve；The mandril is inserted into the sleeve, one end with it is described
The power output end of oil cylinder connects, and the other end is connected to the type chamber, both ends distribution and the oil cylinder and the type of the sleeve
Chamber connection sealing, the part between the oil cylinder and type chamber are connected to pressure-air.
In one preferred embodiment of the utility model, the support fixing piece is square iron, the square iron and the A plate or
The side that B plate connects is also equipped with thermal insulation board.
The beneficial effects of the utility model are: a kind of molding die of quickly porous compression manufacturing process of the utility model,
By the design of multiple injection heads, injecting glue rate is effectively increased；Pass through setting for sealing element, pumped vacuum systems and injecting systems
Meter is conducive to raising type chamber vacuum degree, so that interiors of products is not so that mold vacuumizes, exhaust performance and favorable sealing property
Bubbles；It is used by the design of pressure sensor, real-time monitoring and the intracavitary injection pressure and cavity pressure of feedback-type are convenient
User adjusts injection process and injecting glue amount by the variation of pressure, realizes that injecting glue amount is controllable, avoids raw material caused by excessive injecting glue
Waste；The utility model can significantly improve the quality of RTM composite material, make its surface without random line, and leaving no air bubbles inside is promoted and produced
Moral character energy.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional knot of one preferred embodiment of molding die of quickly porous compression manufacturing process of the utility model
Structure schematic diagram；
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A；
Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at B；
Fig. 4 is the enlarged structure schematic diagram in Fig. 1 at C；
Fig. 5 is the enlarged structure schematic diagram in Fig. 1 at D；
Fig. 6 is the enlarged structure schematic diagram in Fig. 1 at E；
Fig. 7 is the enlarged structure schematic diagram in Fig. 1 at F；
The components in the drawings are labeled as follows: 1. panels, 2. bottom plates, 3. support fixing pieces, 4. die devices, 5. injection systems
System, 6. pumped vacuum systems, 7. pressure sensors, 8. sealing elements, 9. ejection systems, 10. anti-sticking membranous systems, 11. fiber fastening strips,
12. heated oil, 13. thermal insulation boards, 14. third sealing rings, 15. products, 41.A plate, 42.B plate, 43. upper cores, 44. lower dies
Benevolence, 51. injection heads, 52. injection head mounting racks, 53. injection ports, 54. Jiao Kou, 55. glue grooves, 61. exhaust tubes, 62. cushion chambers,
63. the first sealing ring, 64. second sealing rings, 81. flange sealing rings, 82.O shape sealing ring, 91/101. mandril, 92/102. set
Cylinder, 93/103. pressure-air.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Fig. 1-7 is please referred to, the utility model embodiment includes:
The utility model disclose it is a kind of quickly it is porous compression manufacturing process molding die, comprising: panel 1, bottom plate 2,
It supports fixing piece 3, die device 4, injecting systems 5, pumped vacuum systems 6, pressure sensor 7, sealing element 8, ejection system 9, prevent
Mucosal system 10 and fiber fastening strip 11.
Wherein, the panel 1 and bottom plate 2 are fastened on the top board and lower platen of press by screw pressing plate respectively, are used
In installation mold device.
The die device 4 be located between the panel 1 and bottom plate 2, including A plate 41, B plate 42, upper cores 43 and under
Mode 44.The upper cores 43 are fixed on the A plate 41, and the lower mode 44 is fixed on the B plate 42, institute
It states A plate 41 and B plate 42 is respectively the installation fastening plates of upper cores 43 and lower mode 44, by A plate 41 and B plate 42 with upper mold thereon
Benevolence 43 and the opposite direction open and close type distribution of lower mode 44, and make shape forming cavity between upper cores and lower mode, wherein the A
Plate 41 and B plate 42 are fixedly connected by the support fixing piece 3 with the panel 1 and bottom plate 2 respectively.Specifically, support is fixed
Part 3 is square iron, is used to support die device, one end and the end of panel or bottom plate are fixed, and the other end is vertically fixedly connected with A plate
Or B plate, due to the presence of square iron, so that there are certain spaces between A plate or B plate and corresponding panel or bottom plate, for pacifying
Fill fixed other component.In addition, being embedded with the heated oil 12 of perforation in A plate and B plate, hot oil is flowed in the heated oil,
Constant heat source is provided for mold, general constant temperature is at 100~220 DEG C.Heat is lost by the heat transfer of square iron in order to prevent, also
Thermal insulation board 13 is installed between square iron and A plate or B plate, keeps constant mold temperature as far as possible.
The injecting systems 5 are mounted between the panel 1 and A plate 41, and to the type intracavitary administration glue.Specifically
Ground, the injecting systems 5 include multiple injection head 51 and injection head mounting rack 52, wherein the injection head mounting rack 52 is pacified
Dress is fixed on the surface of the A plate 41 and 1 opposite side of panel, for fastening injection head；The injection head 51 is fixed on
In the injection head mounting rack 52, gum outlet end is inserted into the upper cores 43, and is connected to the type chamber.Its gum outlet end
Including injection port 53, glue mouth 54 and glue groove 55；Wherein, the glue mouth 54 is located at the lower end of the injection port 53, glue runner
For pyramidal structure, the glue groove 55 is located at the bottom end of the glue mouth 54, and section is arc-shaped structure；The pyramidal structure is most
Major diameter is less than the internal diameter of the injection port 53, and the diameter of the arc-shaped structure is less than the minimum diameter of the pyramidal structure.
In addition, being mounted on third sealing ring 14 on the periphery of injection port and Jiao Kou.By the design of the glue runner, can both protect
It is quick to demonstrate,prove injecting glue, and can guarantee that injecting glue is steady, while the demoulding of aspect shaped article, allows resin adhesive liquid to obtain in fiber good
Good infiltration and diffusion guarantees that starved, exhaust thoroughly, do not improve the quality of product.In addition, the number of injection head is 2 or more,
By increasing the number of injection head, it can be further improved injecting glue speed, realize Fast Compression, promote production effect on the whole
Rate.
The pressure sensor 7 have it is multiple, uniformly respectively in the upper cores 43, for detecting the intracavitary pressure of type
Value.Preferably, pressure sensor is installed near injection head, which can feel in time in the range of 10~40mm
Know the pressure of simultaneously Real-time Feedback injecting glue, so that injection system adjusts pressure in time, guarantees injecting glue quality.
The pumped vacuum systems 6 is fixed between the panel 1 and A plate 41, and is located at two ends of the upper cores 43
Portion, it is intracavitary that exhaust tube 61 is inserted into the type；The A plate 41 be located at the upper cores 43 upper surface and 61 phase of exhaust tube
The part connect has cushion chamber 62, and the left and right sides that the exhaust tube 61 is located in the cushion chamber 62 has the first sealing ring
63, the outside top of the cushion chamber 62, which has, is nested with the second sealing ring 64 on the exhaust tube 61.Pumped vacuum systems is used
In extracting and eliminate the intracavitary air of type, and guarantee that pumped vacuum systems is air tight by the design of double-layer seal rings, guarantee type chamber
Interior vacuum degree is constant, to improve the quality of product.
The sealing element 8, which is partially submerged into, to be mounted in the lower mode 42 opposite with the upper cores 41, and is located at institute
State the both ends of type chamber.Specifically, sealing element 8 includes the flange sealing ring 81 and O-ring seals 82 being spaced apart, wherein the O
Shape sealing ring 82 is distributed close to the type chamber.Flange sealing ring 81 can suitably raise upper mold while providing sealing performance
Benevolence guarantees product quality with fine adjustment type chamber height；The O-ring seals can prevent type chamber while providing sealing performance
Interior resin adhesive liquid is overflowed.
The ejection system 9 is fixed between the bottom plate 2 and B plate 44, including oil cylinder, mandril 91 and sleeve 92；
The mandril 91 is inserted into the sleeve 92, and one end is connect with the power output end of the oil cylinder, the other end with it is described
The connection of type chamber, the both ends distribution of the sleeve 92 connect sealing with the oil cylinder and type chamber, and inner space and the type chamber connect
Logical, part of the sleeve 92 between the oil cylinder and type chamber is connected to pressure-air 93.The effect of ejection system is to pass through air blowing
Or the effect of mechanical jack, a upward impulse force is applied to the lower surface of product 15, product is ejected.The work of ejection system
With there are two types of modes, one is driving mandril to apply a upward impulse force to product by oil cylinder, product is ejected；It is another
It is to drive mandril to rise a small distance by oil cylinder, then blow afloat product by pressure-air.
The anti-sticking membranous system 10 is fixed between the panel 1 and A plate 43, including oil cylinder, mandril 101 and sleeve
1032；The mandril 101 is inserted into the sleeve 102, and one end is connect with the power output end of the oil cylinder, the other end
Be connected to the type chamber, the distribution of the both ends of the sleeve 102 connect sealing with the oil cylinder and type chamber, inner space with it is described
The connection of type chamber, part of the sleeve 102 between the oil cylinder and type chamber are connected to pressure-air 103.The effect of anti-sticking membranous system
It is that one downward pressure is discharged to the upper surface of product 15, prevents product and upper mold viscous by air blowing or mechanical jack
Knot.There are two types of the modes of action of anti-sticking membranous system, one is by oil cylinder drive mandril give product apply a downward impulse force,
Make product not sticking to mould；Another kind is to drive mandril to rise a small distance by oil cylinder, then blow afloat product downwards by pressure-air
Demoulding.
Described 11 a part of fiber fastening strip is embedded in the lower mode 44, and it is intracavitary that another part protrudes into the type,
Protrude into 0.4~1 times that the intracavitary height of the type accounts for the type chamber height.The fiber fastening strip fiber intracavitary for pinching,
The glue flowing for preventing high pressure from spraying causes fiber unrest line, improves the surface quality of product after molding.
Using composite material made from above-mentioned molding die, surface is smooth, no fiber unrest line phenomenon, and product surface and
Internal equal bubble-free.
The molding die of the utility model, has the advantages that
1, by the design of sealing element, pumped vacuum systems injecting systems, so that mold vacuumizes, exhaust performance and leakproofness
Can be good, it be conducive to raising type chamber vacuum degree, so that interiors of products not bubbles；
2, it is used by the design of pressure sensor, real-time monitoring and the intracavitary injection pressure and cavity pressure of feedback-type,
Facilitate user to adjust injection process and injecting glue amount by the variation of pressure, realizes that injecting glue amount is controllable, caused by avoiding excessive injecting glue
Wastage of material；
3, by the design of the design of multiple injection heads and fiber fastening strip, injecting glue rate, another party are on the one hand improved
What face improved glue is impregnated with effect, avoids fiber unrest line, improves the surface quality of product；
4, by the design of anti-sticking membranous system and ejection system, effective means product sticking to mould is more easier product taking-up.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.The above descriptions are merely preferred embodiments of the present invention, and it is practical new to be not limited to this
Type, for those skilled in the art, the present invention may have various modifications and changes.All essences in the utility model
Mind and principle within, any modification, equivalent replacement, improvement and so on, should be included in the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of molding die of quickly porous compression manufacturing process characterized by comprising panel, bottom plate, support are fixed
Part, die device, injecting systems, pumped vacuum systems, pressure sensor and sealing element；The panel and bottom plate are fastened on pressure respectively
On the top board and lower platen of machine；The die device is located between the panel and bottom plate, including A plate, B plate, upper cores
With lower mode；The upper cores are fixed on the A plate, and the lower mode is fixed on the B plate, the A plate
It is distributed with B plate with the opposite direction open and close type of the upper cores and lower mode, and shape forming cavity, wherein the A plate and B plate point
It is not fixedly connected by the support fixing piece with the panel and bottom plate；The injecting systems are mounted on the panel and A plate
Between, and have multiple injection heads；The pumped vacuum systems is fixed between the panel and A plate, and is located at the upper cores
Two ends, it is intracavitary that exhaust tube is inserted into the type；The pressure sensor is distributed in the upper cores；The sealing element
It is partially submerged into and is mounted in the lower mode opposite with the upper cores, and be located at the both ends of the type chamber.
2. the molding die of quickly porous compression manufacturing process according to claim 1, which is characterized in that the sealing element
Including the flange sealing ring being spaced apart and O-ring seals, wherein the O-ring seals are close to the type chamber.
3. the molding die of quickly porous compression manufacturing process according to claim 1, which is characterized in that A plate position
Cushion chamber is had in the part that the upper surface of the upper cores connects with the exhaust tube, is located at the pumping in the cushion chamber
The left and right sides of pipe has the first sealing ring, and it is close that the outside top of the cushion chamber has second be nested on the exhaust tube
Seal.
4. the molding die of quickly porous compression manufacturing process according to claim 1, which is characterized in that the injection system
System includes injection head and injection head mounting rack, wherein the injection head mounting rack is fixed on the A plate and the panel phase
To the surface of side；Multiple injection heads are fixed in the injection head mounting rack, and the upper cores are inserted at gum outlet end
It is interior, and be connected to the type chamber.
5. the molding die of quickly porous compression manufacturing process according to claim 4, which is characterized in that the gum outlet
End includes injection port, Jiao Kou and glue groove；Wherein, the Jiao Kou is located at the lower end of the injection port, and glue runner is taper knot
Structure, the glue groove are located at the bottom end of the Jiao Kou, and section is arc-shaped structure；The maximum gauge of the pyramidal structure is less than institute
The internal diameter of injection port is stated, the diameter of the arc-shaped structure is less than the minimum diameter of the pyramidal structure.
6. the molding die of quickly porous compression manufacturing process according to claim 1, which is characterized in that the A plate and B
The heated oil of perforation is embedded in plate.
7. the molding die of quickly porous compression manufacturing process according to claim 1, which is characterized in that further include fiber
Fastening strip, described fiber fastening strip a part are embedded in the lower mode, and it is intracavitary that another part protrudes into the type, protrude into institute
State 0.4~1 times that the intracavitary height of type accounts for the type chamber height.
8. the molding die of quickly porous compression manufacturing process according to claim 1, which is characterized in that further include ejection
System, the ejection system are fixed between the bottom plate and B plate, including oil cylinder, mandril and sleeve；The mandril insertion
Into the sleeve, one end is connect with the power output end of the oil cylinder, and the other end is connected to the type chamber, the sleeve
Both ends be distributed and with the oil cylinder and type chamber connect sealing, the part between the oil cylinder and type chamber is connected to high pressure sky
Gas.
9. the molding die of quickly porous compression manufacturing process according to claim 8, which is characterized in that further include anti-sticking
Membranous system, the anti-sticking membranous system is fixed between the panel and A plate, including oil cylinder, mandril and sleeve；The mandril
It is inserted into the sleeve, one end is connect with the power output end of the oil cylinder, and the other end is connected to the type chamber, described
The both ends of sleeve, which are distributed, connect sealing with the oil cylinder and type chamber, and the part between the oil cylinder and type chamber is connected to high pressure
Air.
10. the molding die of quickly porous compression manufacturing process according to claim 1, which is characterized in that the support
Fixing piece is square iron, and the side that the square iron connects with the A plate or B plate is also equipped with thermal insulation board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820754173.6U CN208392703U (en) | 2018-05-21 | 2018-05-21 | A kind of molding die of quickly porous compression manufacturing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754173.6U CN208392703U (en) | 2018-05-21 | 2018-05-21 | A kind of molding die of quickly porous compression manufacturing process |
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| CN208392703U true CN208392703U (en) | 2019-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844063A (en) * | 2021-10-11 | 2021-12-28 | 山东大学 | Real-time monitoring device and method for technological parameters of pultrusion of composite material |
-
2018
- 2018-05-21 CN CN201820754173.6U patent/CN208392703U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844063A (en) * | 2021-10-11 | 2021-12-28 | 山东大学 | Real-time monitoring device and method for technological parameters of pultrusion of composite material |
| CN113844063B (en) * | 2021-10-11 | 2022-08-23 | 山东大学 | Real-time monitoring device and method for technological parameters of pultrusion of composite material |
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