CN211843291U - Die suitable for extruding composite material component with complex section - Google Patents
Die suitable for extruding composite material component with complex section Download PDFInfo
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- CN211843291U CN211843291U CN202020066092.4U CN202020066092U CN211843291U CN 211843291 U CN211843291 U CN 211843291U CN 202020066092 U CN202020066092 U CN 202020066092U CN 211843291 U CN211843291 U CN 211843291U
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Abstract
The utility model provides a mould suitable for complex cross section combined material component extrusion, including rigidity bed die (1), rigidity clamp plate (2), flexible gasbag formpiston (3), rigidity mandrel (4) and bottom plate (5), rigidity clamp plate (2) are connected in rigidity bed die (1), and flexible gasbag formpiston (3), bottom plate (5) are connected in rigidity clamp plate (2), and rigidity mandrel (4), bottom plate (5) are connected in flexible gasbag formpiston (3), be the product die cavity between flexible gasbag formpiston (3) and rigidity bed die (1). The utility model discloses an air bag pressurization mode has realized the even application of pressure of the automatic extrusion process of complicated cross-section combined material component, has solved because of the uneven poor problem of product quality that causes of shaping pressure, has realized the high-efficient high accuracy manufacturing of complicated stringer product for the spacecraft.
Description
Technical Field
The utility model relates to a composite material structure spare manufacturing technical field for the space flight specifically relates to a be applicable to the extruded mould of complicated cross-section composite material component.
Background
The composite material is widely applied to the aerospace field due to the excellent characteristics of low linear expansion coefficient, high specific strength and specific modulus, corrosion resistance, fatigue resistance, good damping and shock absorption and the like. The composite material carrier rocket payload supporting cabin is positioned between the satellite-rocket adapter interface and the rocket final-stage power cabin and is an important bearing part in a rocket body structure. In order to improve the stability of the supporting cabin structure, composite material reinforcing ribs made of the same materials are arranged on the skin of the cabin body.
At present, the reinforcing rib still adopts a forming method of manual layering and autoclave curing, the production efficiency is low, the manufacturing cost is high, the product stability is poor, statistics shows that the whole production period of the reinforcing rib is 7 days, and the production capacity is 15 meters; the forming die is a split metal die, the quality of a die closing state is random, multiple operators are required to perform the die closing state at the same time, the requirements on operation methods and environments are high, the quality stability of products cannot be guaranteed, and the problems of warping deformation, uneven thickness and unqualified flaw detection of the products after the products are demoulded are prone to occurring. According to the emission equivalent calculation of the current relevant carrying models every year, the usage amount of the reinforcing ribs reaches thousands of meters. Therefore, the stable, efficient and low-cost manufacturing of the support cabin reinforcing rib has important practical engineering significance.
The existing forming process of the component adopts a full-metal mould to pressurize and solidify, and the complicated section characteristics of the component enable the metal mould to be pressurized to easily cause the problems of uneven pressure, incomplete mould closing, low product size precision, high porosity and the like.
Patent document No. CN207711148U discloses a mold for producing an i-shaped composite material reinforcing rib, which comprises a mold head, a pressing plate, a forming mold, a transverse driving mechanism, a longitudinal driving mechanism and a heating device; the number of the die heads is two, and the die heads are symmetrically arranged; a forming groove is formed in the side face of the die head; the two pressing plates are respectively arranged on the tops of the two die heads, and the two die heads respectively clamp the two ends of the processed material piece through the pressing plates; the forming die is arranged between the two die heads; the longitudinal driving mechanism drives the forming die to move downwards to cut off the middle part of the processed material piece through a cutting knife arranged at the bottom of the forming die, and the processed material piece is extruded and bent through the bottom of the forming die when the forming die moves downwards; the utility model discloses a forming die cuts off blank combined material board rethread twice and bends and add final makeup and form, and manufacturing procedure is few, and production cycle is short, has improved machining efficiency greatly, and fashioned I shape strengthening rib intensity is higher with rigidity. But the scheme has a complex structure and low processing precision and is not suitable for products with high precision requirements.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a mould suitable for extrusion of complicated cross-section combined material component.
According to the utility model provides a pair of mould suitable for complex cross section combined material component extrusion, including rigidity bed die, rigidity clamp plate, flexible gasbag formpiston, rigidity mandrel and bottom plate, rigidity clamp plate is connected to the rigidity bed die, and flexible gasbag formpiston, bottom plate are connected to the rigidity clamp plate, and rigidity mandrel, bottom plate are connected to the flexible gasbag formpiston, be the product die cavity between flexible gasbag formpiston and the rigidity bed die.
Preferably, the rigid core mold is arranged on the surface of the base plate, the flexible air bag male mold is nested on the rigid core mold, the rigid pressing plate is buckled on the flexible air bag male mold, and the rigid female mold is buckled on the rigid pressing plate.
Preferably, the rigid female die is provided with a glue overflow groove and is made of invar steel.
Preferably, the middle of the rigid pressing plate is in a hollow shape, and the flexible air bag male die can be contacted with a product through the hollow on the rigid pressing plate; the rigid pressing plate is provided with a rigid pressing plate connecting hole and is connected with the bottom plate through the rigid pressing plate connecting hole and the fastening piece; and a rigid pressing plate step is arranged on the connecting surface of the rigid pressing plate and the bottom plate, and the height of the rigid pressing plate step is 1-2 mm larger than the thickness of the flexible air bag male die air bag.
Preferably, the thickness of the flexible air bag male die air bag is 1-3 mm, the outer contour of the section of the flexible air bag male die air bag is inwardly offset by 0.5-2 mm compared with the inner contour of the section of the product, and the inner contour of the section of the flexible air bag male die air bag is the same as the outer contour of the section of the rigid core die.
Preferably, the opening of the air bag of the flexible air bag male die faces downwards, the flexible air bag male die is sleeved on the rigid core die, and a circle of flanges for sealing are arranged at the edge of the air bag of the flexible air bag male die.
Preferably, the flexible air bag male die is made of silicon rubber.
Preferably, the rigid core mold is provided with a rigid core mold air hole and a rigid core mold connecting hole, the rigid core mold air hole is communicated with the flexible air bag male mold and can inflate the flexible air bag male mold, and the rigid core mold is connected with the bottom plate through the rigid core mold connecting hole and the fastening piece; the rigid core mold is made of invar steel.
Preferably, the bottom plate is provided with a bottom plate pneumatic joint hole, a first bottom plate connecting hole, a second bottom plate connecting hole and a groove, the bottom plate pneumatic joint hole is arranged in the groove, the groove is arranged below a rigid core mold air hole of the rigid core mold, the bottom plate is connected with the rigid core mold through the first bottom plate connecting hole and a fastening piece, and the bottom plate is connected with the rigid pressing plate through the second bottom plate connecting hole and the fastening piece.
According to the utility model provides a mould suitable for extrusion of complex cross section combined material component, including rigidity bed die, rigidity clamp plate, flexible gasbag formpiston, rigidity mandrel and bottom plate, rigidity bed die connects the rigidity clamp plate, and the rigidity clamp plate connects flexible gasbag formpiston, bottom plate, and flexible gasbag formpiston connects rigidity mandrel, bottom plate, be the product die cavity between flexible gasbag formpiston and the rigidity bed die;
the rigid core mold is arranged on the surface of the bottom plate, the flexible air bag male mold is nested on the rigid core mold, the rigid pressing plate is buckled on the flexible air bag male mold, and the rigid female mold is buckled on the rigid pressing plate;
the rigid female die is provided with a glue overflow groove and is made of invar steel;
the middle of the rigid pressing plate is in a hollow shape, and the flexible air bag male die can be contacted with a product through the hollow on the rigid pressing plate; the rigid pressing plate is provided with a rigid pressing plate connecting hole and is connected with the bottom plate through the rigid pressing plate connecting hole and the fastening piece; a rigid pressing plate step is arranged on the connecting surface of the rigid pressing plate and the bottom plate, and the height of the rigid pressing plate step is 1-2 mm larger than the thickness of the flexible air bag male die air bag;
the thickness of the flexible air bag male die air bag is 1-3 mm, the outer contour of the section of the flexible air bag male die air bag is offset inwards by 0.5-2 mm compared with the inner contour of the section of the product, and the inner contour of the section of the flexible air bag male die air bag is the same as the outer contour of the section of the rigid core die;
the opening of the flexible air bag male die air bag faces downwards, the flexible air bag male die is sleeved on the rigid core die, and a circle of flanges for sealing are arranged at the edge of the flexible air bag male die air bag;
the flexible air bag male die is made of silicon rubber;
the rigid core mould is provided with rigid core mould air holes and rigid core mould connecting holes, the rigid core mould air holes are communicated with the flexible air bag male mould and can inflate the flexible air bag male mould, and the rigid core mould is connected with the base plate through the rigid core mould connecting holes and the fasteners; the rigid core mold is made of invar steel;
the bottom plate is provided with a bottom plate pneumatic joint hole, a first bottom plate connecting hole, a second bottom plate connecting hole and a groove, the bottom plate pneumatic joint hole is formed in the groove, the groove is formed in the lower portion of a rigid core mold air hole of the rigid core mold, the bottom plate is connected with the rigid core mold through the first bottom plate connecting hole and a fastening piece, and the bottom plate is connected with the rigid pressing plate through the second bottom plate connecting hole and the fastening piece.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses an air bag pressurization mode has realized the even application of pressure of the automatic extrusion process of complicated cross-section combined material component, has solved because of the uneven poor problem of product quality that causes of shaping pressure, has realized the high-efficient high accuracy manufacturing of complicated stringer product for the spacecraft.
2. The utility model discloses greatly simplified the design and the processing of complicated cross-section combined material component extrusion die, reduced the requirement to the high assembly precision of mould, had extensive suitability.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional view of the present invention.
Fig. 3 is a schematic structural view of the rigid female mold of the present invention.
Fig. 4 is a schematic structural view of the rigid pressing plate of the present invention.
Fig. 5 is a schematic perspective view of the rigid core mold of the present invention.
Fig. 6 is a schematic view of the rigid core mold according to the present invention.
Fig. 7 is a schematic structural diagram of the bottom plate of the present invention.
The figures show that:
1-rigid female die 6-prepreg tape 11-rigid core die connecting hole
2-rigid pressing plate 7-glue overflow groove 12-bottom plate pneumatic joint hole
3-flexible air bag male die 8-rigid pressing plate connecting hole 13-first bottom plate connecting hole
4-rigid core mould 9-rigid pressing plate step 14-second bottom plate connecting hole
5-bottom plate 10-rigid mandrel air vent
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
According to the utility model provides a pair of mould suitable for extrusion of complicated cross-section combined material component, as shown in fig. 1-7, including rigidity bed die 1, rigidity clamp plate 2, flexible gasbag formpiston 3, rigidity mandrel 4 and bottom plate 5, rigidity bed die 1 connects rigidity clamp plate 2, and rigidity clamp plate 2 connects flexible gasbag formpiston 3, bottom plate 5, and rigidity mandrel 4, bottom plate 5 are connected to flexible gasbag formpiston 3, be the product die cavity between flexible gasbag formpiston 3 and the rigidity bed die 1. The rigid core mold 4 is arranged on the surface of the bottom plate 5, the flexible air bag male mold 3 is nested on the rigid core mold 4, the rigid pressing plate 2 is buckled on the flexible air bag male mold 3, and the rigid female mold 1 is buckled on the rigid pressing plate 2. The existing forming process of the component adopts a full-metal mould to pressurize and solidify, and the complicated section characteristics of the component enable the metal mould to be pressurized to easily cause the problems of uneven pressure, incomplete mould closing, low product size precision, high porosity and the like. The utility model discloses an air bag pressurization effectively solves the disadvantage of full metal mold. Compared with the prior art, the utility model adopts the air bag pressurization mode, realizes the uniform pressure application in the automatic extrusion process of the composite material component with the complex cross section, solves the problem of poor product quality (low product size precision and high porosity) caused by uneven forming pressure, and realizes the high-efficiency and high-precision manufacture of complex stringer products for the spacecraft; meanwhile, the design and processing of the advanced pultrusion die for the composite material member with the complex section are greatly simplified, the requirement on high assembly precision of the die is lowered, and the method has wide applicability.
The rigid female die 1 is provided with a glue overflow groove 7, and the rigid female die 1 is made of invar steel. Rigid female die 1 adopts the invar steel material to provide the high stable product profile precision, rigid female die 1 top is with the cylinder pressurization, and rigid female die 1 both sides set up overflow gluey groove, pile up in rigid female die 1 and influence product quality with resin in avoiding the forming process, and 1 outermost both sides of rigid female die are equipped with the step, and this step plays hard limiting displacement, and after 1 compound die of rigid female die, the step contacts rigidity clamp plate 2 at first, thereby supports rigid female die 1 in order to provide the product die cavity.
The middle of the rigid pressing plate 2 is hollow, and the flexible air bag male die 3 can be contacted with a product through the hollow on the rigid pressing plate 2; the rigid pressing plate 2 is provided with a rigid pressing plate connecting hole 8 and is connected with the bottom plate 5 through the rigid pressing plate connecting hole 8 and a fastening piece; a rigid pressing plate step 9 is arranged on the connecting surface of the rigid pressing plate 2 and the bottom plate 5, and the height of the rigid pressing plate step 9 is 1-2 mm larger than the thickness of the flexible air bag male die 3, so that a certain compression amount is provided, and a sealing effect is achieved. The rigid pressure plate step 9 is used for pressing and sealing a flange arranged at the edge of the flexible air bag male die 3. Preferably, the rigid pressing plate 2 consists of four pressing plates, screw holes and pin holes are formed in the pressing plates, and the rigid pressing plate 2 is fixed on the bottom plate 5 through pins and screws. The rigid pressure plate connecting hole 8 is a pin hole or a threaded hole.
The thickness of the flexible air bag male die 3 is 1-3 mm, the outer contour of the air bag section of the flexible air bag male die 3 is inwardly offset by 0.5-2 mm compared with the inner contour of the product section so as to provide a process gap in the forming process and avoid the premature mutual extrusion interference of the flexible air bag male die 3 and the product; the inner contour of the section of the flexible air bag male die 3 is the same as the outer contour of the section of the rigid core die 4. The opening of the flexible air bag male die 3 faces downwards, the flexible air bag male die 3 is sleeved on the rigid core die 4, and a circle of sealing flanges are arranged at the edge of the air bag of the flexible air bag male die 3. The flexible air bag male die 3 is made of silicon rubber.
The rigid core mold 4 is provided with a rigid core mold air hole 10 and a rigid core mold connecting hole 11, the rigid core mold air hole 10 is communicated with the flexible air bag male mold 3 and can inflate the flexible air bag male mold 3, and the rigid core mold 4 is connected with the bottom plate 5 through the rigid core mold connecting hole 11 and a fastening piece; the rigid core mold 4 is made of invar steel. The rigid core mold 4 is used for supporting the flexible air bag male mold 3, so that the phenomenon that the air bag is greatly deformed after mold assembly due to the fact that the flexible air bag male mold 3 is too soft in the forming process to cause product pressurization failure is avoided; the rigid core mold 4 is made of invar steel, so that the thermal deformation of the rigid core mold 4 at high temperature is reduced to the greatest extent, and the ultrahigh dimensional stability of the rigid core mold 4 is ensured; uniformly distributed and high-density through holes (rigid core mold air holes 10) are milled on the rigid core mold 4 to provide an inflation channel; the rigid core mold 4 is fixedly positioned with the bottom plate 5 by pins penetrating through the rigid core mold connecting holes 11 and the first bottom plate connecting holes 13. The rigid core mold connecting holes 11 are pin holes or threaded holes.
The base plate 5 is provided with a base plate pneumatic joint hole 12, a first base plate connecting hole 13, a second base plate connecting hole 14 and a groove, the base plate pneumatic joint hole 12 is arranged in the groove, the groove is arranged below a rigid core mold air hole 10 of the rigid core mold 4, the groove is arranged so that air rushing into the base plate pneumatic joint hole 12 smoothly enters the rigid core mold air hole 10, the base plate 5 is connected with the rigid core mold 4 through the first base plate connecting hole 13 and a fastener, and the base plate 5 is connected with the rigid pressing plate 2 through the second base plate connecting hole 14 and the fastener. The first bottom plate connecting hole 13 and the second bottom plate connecting hole 14 are pin holes or threaded holes.
Utilize the utility model discloses carry out the extruded method of complicated cross-section combined material component as follows:
step 1: placing the laid and preformed prepreg tape blank 6 into a product cavity, namely sleeving the prepreg tape blank on the flexible air bag male die 3;
step 2: closing the rigid female die 1, namely sleeving the rigid female die 1 on the prepreg tape 6, and pressurizing the rigid female die 1 through an air cylinder;
and step 3: inflating the flexible air bag male die 3 through a bottom plate pneumatic connector hole 12 on the bottom plate 5, enabling air to enter the flexible air bag male die 3 through a rigid core die air hole 10 on the rigid core die 4 and supporting the air bag of the flexible air bag male die 3 to pressurize the prepreg tape blank 6;
and 4, step 4: and after the product is molded after pressurization, deflating the flexible air bag male die 3, lifting the rigid female die 1, and taking out the molded prepreg tape blank 6. After the pressurization is finished, the air in the air bag of the flexible air bag male die 3 is firstly discharged, so that the air bag of the flexible air bag male die 3 is prevented from being broken due to the fact that the rigid female die 1 is firstly lifted.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a mould suitable for extrusion of complex cross section combined material component, its characterized in that, includes rigidity bed die (1), rigidity clamp plate (2), flexible gasbag formpiston (3), rigidity mandrel (4) and bottom plate (5), rigidity bed die (1) is connected rigidity clamp plate (2), and flexible gasbag formpiston (3), bottom plate (5) are connected to rigidity clamp plate (2), and rigidity mandrel (4), bottom plate (5) are connected to flexible gasbag formpiston (3), be the product die cavity between flexible gasbag formpiston (3) and rigidity bed die (1).
2. The die suitable for extruding the composite material member with the complex section as claimed in claim 1, wherein the rigid core die (4) is arranged on the surface of the base plate (5), the flexible air bag male die (3) is nested on the rigid core die (4), the rigid pressing plate (2) is buckled on the flexible air bag male die (3), and the rigid female die (1) is buckled on the rigid pressing plate (2).
3. The die suitable for extruding the composite material member with the complex section as claimed in claim 1, wherein the rigid female die (1) is provided with an adhesive overflow groove (7), and the rigid female die (1) is made of invar steel.
4. The die suitable for extruding the composite material component with the complex section according to claim 1, wherein the rigid pressing plate (2) is hollow in the middle, and the flexible air bag male die (3) can be contacted with a product through the hollow on the rigid pressing plate (2); the rigid pressing plate (2) is provided with a rigid pressing plate connecting hole (8) and is connected with the bottom plate (5) through the rigid pressing plate connecting hole (8) and a fastening piece; a rigid pressing plate step (9) is arranged on the connecting surface of the rigid pressing plate (2) and the bottom plate (5), and the height of the rigid pressing plate step (9) is 1-2 mm larger than the air bag thickness of the flexible air bag male die (3).
5. The die suitable for extruding the composite material member with the complex section as claimed in claim 1, wherein the thickness of the flexible air bag male die (3) is 1-3 mm, the outer contour of the air bag section of the flexible air bag male die (3) is inwardly offset by 0.5-2 mm compared with the inner contour of the product section, and the inner contour of the air bag section of the flexible air bag male die (3) is the same as the outer contour of the section of the rigid core die (4).
6. The die suitable for extruding the composite material member with the complex section as claimed in claim 1, wherein the air bag opening of the flexible air bag male die (3) faces downwards, the flexible air bag male die (3) is sleeved on the rigid core die (4), and a circle of flanges for sealing are arranged on the edge of the air bag of the flexible air bag male die (3).
7. The die for extruding a composite material member with a complex section as claimed in claim 1, wherein the flexible air bag male die (3) is made of silicon rubber.
8. The die suitable for extruding the composite material member with the complex section according to claim 1, wherein the rigid core die (4) is provided with a rigid core die air hole (10) and a rigid core die connecting hole (11), the rigid core die air hole (10) is communicated with the flexible airbag male die (3) and can inflate the flexible airbag male die (3), and the rigid core die (4) is connected with the base plate (5) through the rigid core die connecting hole (11) and a fastener; the rigid core mold (4) is made of invar steel.
9. The mold suitable for the extrusion of the composite material member with the complex cross section according to claim 1, wherein the bottom plate (5) is provided with a bottom plate pneumatic connector hole (12), a first bottom plate connecting hole (13), a second bottom plate connecting hole (14) and a groove, the bottom plate pneumatic connector hole (12) is arranged in the groove, the groove is arranged below the rigid core mold ventilation hole (10) of the rigid core mold (4), the bottom plate (5) is connected with the rigid core mold (4) through the first bottom plate connecting hole (13) and a fastening piece, and the bottom plate (5) is connected with the rigid pressing plate (2) through the second bottom plate connecting hole (14) and the fastening piece.
10. The die is suitable for extruding a composite material member with a complex section, and is characterized by comprising a rigid female die (1), a rigid pressing plate (2), a flexible air bag male die (3), a rigid core die (4) and a bottom plate (5), wherein the rigid female die (1) is connected with the rigid pressing plate (2), the rigid pressing plate (2) is connected with the flexible air bag male die (3) and the bottom plate (5), the flexible air bag male die (3) is connected with the rigid core die (4) and the bottom plate (5), and a product cavity is formed between the flexible air bag male die (3) and the rigid female die (1);
the rigid core mold (4) is arranged on the surface of the bottom plate (5), the flexible air bag male mold (3) is nested on the rigid core mold (4), the rigid pressing plate (2) is buckled on the flexible air bag male mold (3), and the rigid female mold (1) is buckled on the rigid pressing plate (2);
the rigid female die (1) is provided with a glue overflow groove (7), and the rigid female die (1) is made of invar steel;
the middle of the rigid pressing plate (2) is in a hollow shape, and the flexible air bag male die (3) can be contacted with a product through the hollow on the rigid pressing plate (2); the rigid pressing plate (2) is provided with a rigid pressing plate connecting hole (8) and is connected with the bottom plate (5) through the rigid pressing plate connecting hole (8) and a fastening piece; a rigid pressing plate step (9) is arranged on the connecting surface of the rigid pressing plate (2) and the bottom plate (5), and the height of the rigid pressing plate step (9) is 1-2 mm larger than the air bag thickness of the flexible air bag male die (3);
the thickness of the air bag of the flexible air bag male die (3) is 1-3 mm, the outer contour of the air bag section of the flexible air bag male die (3) is inwardly offset by 0.5-2 mm compared with the inner contour of the product section, and the inner contour of the air bag section of the flexible air bag male die (3) is the same as the outer contour of the section of the rigid core die (4);
the flexible air bag male die (3) is characterized in that an air bag opening faces downwards, the flexible air bag male die (3) is sleeved on the rigid core die (4), and a circle of flanges for sealing are arranged at the edge of the air bag of the flexible air bag male die (3);
the flexible air bag male die (3) is made of silicon rubber;
the rigid core mold (4) is provided with rigid core mold air holes (10) and rigid core mold connecting holes (11), the rigid core mold air holes (10) are communicated with the flexible air bag male mold (3) and can inflate the flexible air bag male mold (3), and the rigid core mold (4) is connected with the bottom plate (5) through the rigid core mold connecting holes (11) and the fasteners; the rigid core mould (4) is made of invar steel;
the novel base plate is characterized in that a base plate pneumatic joint hole (12), a first base plate connecting hole (13), a second base plate connecting hole (14) and a groove are formed in the base plate (5), the base plate pneumatic joint hole (12) is arranged in the groove, the groove is formed in the lower portion of a rigid core mold air hole (10) of the rigid core mold (4), the base plate (5) is connected with the rigid core mold (4) through the first base plate connecting hole (13) and a fastening piece, and the base plate (5) is connected with the rigid pressing plate (2) through the second base plate connecting hole (14) and the fastening piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020066092.4U CN211843291U (en) | 2020-01-13 | 2020-01-13 | Die suitable for extruding composite material component with complex section |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020066092.4U CN211843291U (en) | 2020-01-13 | 2020-01-13 | Die suitable for extruding composite material component with complex section |
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| CN211843291U true CN211843291U (en) | 2020-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347439A (en) * | 2021-12-29 | 2022-04-15 | 珠海格力精密模具有限公司 | Forming device for product with internal cavity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347439A (en) * | 2021-12-29 | 2022-04-15 | 珠海格力精密模具有限公司 | Forming device for product with internal cavity |
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