CN217845814U - Forming die for thermoplastic composite material arc-shaped plate - Google Patents

Forming die for thermoplastic composite material arc-shaped plate Download PDF

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Publication number
CN217845814U
CN217845814U CN202221559279.3U CN202221559279U CN217845814U CN 217845814 U CN217845814 U CN 217845814U CN 202221559279 U CN202221559279 U CN 202221559279U CN 217845814 U CN217845814 U CN 217845814U
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die
arc
female die
male die
plate
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CN202221559279.3U
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张大鹏
许浩
雷勇军
唐雨
于宝石
吴栋
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National University of Defense Technology
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National University of Defense Technology
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Abstract

The utility model discloses a forming die for thermoplastic composite material arc-shaped plates, which comprises a female die, a male die, a supporting block and a pressurizing block; the female die and the male die are both of arc-shaped plate structures, an inner concave surface on the female die is a first molding surface, an outer convex surface on the male die is a second molding surface, a molding cavity is formed between the first molding surface and the second molding surface, and the geometric centers of the female die and the male die are superposed; one end of the supporting block is of a plane structure, and the other end of the supporting block is of an arc-shaped surface structure which can be embedded into the concave surface of the male die; the pressurizing block is detachably connected with the male die, an assembly groove is formed in the bottom end of the pressurizing block, and the outer convex surface of the female die is embedded into the assembly groove; heating components are arranged on the female die and the male die. The utility model discloses be applied to combined material shaping field, hold in the palm and carry out arc combined material board in small-size mechanics laboratory pressure testing machine and prepare, can effectively carry out macroscopic management and control, hot pressing even, easy operation to the heating.

Description

Forming die for thermoplastic composite material arc-shaped plate
Technical Field
The utility model relates to a combined material shaping technical field specifically is a forming die for thermoplasticity combined material arc.
Background
The process for preparing thermoplastic materials based on small laboratory processing is often based on a secondary hot press molding method. The composite material laminated structure is mainly obtained by hot press molding of a hot press under certain hot pressing conditions for a molten and mixed composite material. However, the hot presses currently in widespread use still suffer from a number of disadvantages. Firstly, the thermal efficiency is low, the hot press is often heated by heating wires or heating pipes, the heating efficiency is poor, and only one side of the heating plate is often heated, so that the phenomenon of uneven heating is caused, and the efficiency and the quality of the prepared composite material plate are poor; secondly, the preparation structure is simplified, the mould is difficult to replace, and the preparation of structural materials with other shapes is difficult; thirdly, the occupied area is large, a special space is needed to be configured for placing the hot press, and the fitting degree with a small laboratory is poor.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned prior art, the utility model provides a forming die for thermoplasticity combined material arc relies on small-size mechanics laboratory pressure testing machine to carry out arc combined material board and prepares, can effectively carry out macroscopic management and control, hot pressing even, easy operation to the heating.
In order to achieve the purpose, the utility model provides a forming die for thermoplastic composite material arc-shaped plates, which comprises a female die, a male die, a supporting block and a pressurizing block;
the female die and the male die are both of arc-shaped plate structures, an inner concave surface on the female die is a first forming surface, an outer convex surface on the male die is a second forming surface, a forming cavity is formed between the first forming surface and the second forming surface, and the geometric centers of the female die and the male die are superposed;
one end of the supporting block is of a plane structure, and the other end of the supporting block is of an arc-shaped surface structure which can be embedded into the concave surface of the male die;
the pressurizing block is detachably connected with the male die, an assembly groove is formed in the bottom end of the pressurizing block, and the outer convex surface of the female die is embedded into the assembly groove;
and heating assemblies are arranged on the female die and the male die.
In one embodiment, a plurality of first sinking grooves are arranged on the outer convex surface of the female die at intervals along an arc shape;
the heating component comprises a plurality of first electric heating pipes which are in one-to-one correspondence with the first sinking grooves, and the first electric heating pipes are detachably embedded into the first sinking grooves in a corresponding mode.
In one embodiment, a first heat insulation plate is arranged between the female die and the pressurizing block;
the first heat insulation plate is of an arc-shaped plate structure, the inner concave surface of the first heat insulation plate is attached to the outer convex surface of the female die, and the outer convex surface of the first heat insulation plate is attached to the groove wall of the assembling groove.
In one embodiment, a plurality of second sinking grooves are arranged on the inner concave surface of the male die at intervals along an arc shape;
the heating component comprises a plurality of second electric heating pipes which are in one-to-one correspondence with the second sinking grooves, and the second electric heating pipes are detachably embedded into the corresponding second sinking grooves.
In one embodiment, a second heat insulation plate is arranged between the male die and the supporting block;
the second heat insulation plate is of an arc-shaped plate structure, the outer convex surface of the second heat insulation plate is attached to the inner concave surface of the male die, and the inner concave surface of the first heat insulation plate is attached to the arc-shaped end of the supporting block.
In one embodiment, two sides of the female die are provided with first connecting plates extending outwards, and two sides of the pressurizing block are provided with second connecting plates extending outwards;
the female die is characterized in that a connecting through hole is formed in the first connecting plate, a connecting screw hole corresponding to the connecting through hole is formed in the second connecting plate, and the female die and the pressurizing block are detachably connected through the connecting through hole and the connecting screw hole in a matched mode with the bolt.
In one embodiment, the top end of the bolt is provided with a hanging ring.
In one embodiment, the male die is provided with third connecting plates extending outwards on two sides, and the bottom ends of the third connecting plates are flush with the plane ends of the supporting blocks.
The utility model provides a pair of a forming die for thermoplasticity combined material arc has following beneficial technological effect:
1. heating assemblies are arranged in the female die and the male die, so that the heating efficiency of the die is high; the first heat insulation plate and the second heat insulation plate are adopted to isolate ineffective loss of heat, so that the heat transfer efficiency is high; the temperature of the die is uniform, the composite material is heated uniformly, and the prepared composite material has good adhesiveness;
2. the composite material can be processed by a mechanical testing machine in a small laboratory, the male die and the female die are well matched, the geometric centers are superposed, the pressure applied to the dies by the mechanical testing machine is uniform, and the prepared composite material has a compact structure and excellent mechanical properties;
3. the disassembly and assembly are simple, and the supporting block only needs to be placed on a horizontal workbench and does not need to be fixed; the pressurizing block is provided with a bolt, and can be assembled with a compression testing machine through structures such as an iron chain and the like, and the pressurizing block is lifted by the compression testing machine, so that the assembly is safe and convenient, the occupied area of the replaced die is small, and the pressurizing block is fully suitable for the experimental environment of a small-sized laboratory.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a molding module of the present invention;
FIG. 2 is a schematic axial pressure diagram of a molding module of the present invention;
FIG. 3 is a schematic structural view of the novel middle support block used in the present specification;
FIG. 4 is a schematic structural diagram of the novel male mold for the book;
FIG. 5 is a schematic structural diagram of a novel middle female die used in the present specification;
FIG. 6 is a schematic structural diagram of the novel middle pressure block used in the present specification.
Reference numerals: the die comprises a female die 1, a first molding surface 101, a first sinking groove 102, a first connecting plate 103, a connecting through hole 104, a male die 2, a second molding surface 201, a second sinking groove 202, a third connecting plate 203, a supporting block 3, a plane structure 301, an arc-shaped surface structure 302, a pressurizing block 4, an assembling groove 401, a second connecting plate 402, a connecting screw hole 403, a first electric heating pipe 501, a second electric heating pipe 502, a first heat insulation plate 6, a second heat insulation plate 7, a bolt 8, a hanging ring 801 and a plate 9.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.
Fig. 1 to 6 show a forming mold for an arc-shaped plate made of thermoplastic composite material disclosed in this embodiment, which mainly includes a female mold 1, a male mold 2, a supporting block 3 and a pressing block 4.
The female die 1 and the male die 2 are both arc-shaped plate structures, and in this embodiment, the female die 1 and the male die 2 are specifically semi-cylindrical structures. The inner concave surface of the female die 1 is a first molding surface 101, the outer convex surface of the male die 2 is a second molding surface 201, and in the molding process, a molding cavity is formed between the first molding surface 101 and the second molding surface 201 and used for clamping a plate 9 needing hot pressing; and the geometric centers of the female die 1 and the male die 2 are superposed, so that the uniform pressure applied to the die by a mechanical testing machine can be ensured, and the prepared composite material has a compact structure and excellent mechanical properties.
One end of the supporting block 3 is a plane structure 301, and the other end of the supporting block is an arc-shaped surface structure 302 which can be embedded into the concave surface of the male die 2; the pressurizing block 4 is detachably connected with the male die 2, an assembling groove 401 is formed in the bottom end of the pressurizing block 4, the outer convex surface of the female die 1 is embedded into the assembling groove 401, and heating assemblies are arranged on the female die 1 and the male die 2.
In this embodiment, the supporting block 3 and the pressurizing block 4 are used to ensure the overall stability of the structure, ensure the accurate positioning of the structure, ensure the complete closing of the male die 2 and the female die 1, and conduct stable pressure. Specifically, in the process of hot press forming of the plate 9, firstly, the flat end of the supporting block 3 is placed on a horizontal workbench without being fixed, then the male die 2 is covered on the supporting block 3, the concave surface of the male die 2 is attached to the cambered surface end of the supporting block 3, then the plate 9 to be hot pressed is placed on the second forming surface 201 of the male die 2, then the female die 1 is covered on the male die 2, and the plate 9 to be hot pressed is clamped between the first forming surface 101 and the second forming surface 201; then the pressurizing block 4 is fixedly connected with the female die 1 (or the pressurizing block 4 is fixedly connected with the female die 1 and then the female die 1 and the male die 2 are assembled); and then starting the heating assembly to heat the female die 1 and the male die 2 so as to soften the plate 9 to be hot-pressed, and simultaneously pressurizing the pressurizing block 4 through a pressure tester to drive the female die 1 to be pressed downwards so as to finish the preparation of the composite material arc-shaped plate. In the process, the forming die is simple to disassemble and assemble, and the supporting block 3 only needs to be placed on a horizontal workbench and does not need to be fixed; the pressurizing block 4 is assembled with the compression testing machine through structures such as an iron chain, the pressurizing block is lifted by the compression testing machine, the assembly is safe and convenient, the occupied area of the replaced die is small, and the small-sized laboratory experiment environment is fully met.
In this embodiment, a plurality of first sinking grooves 102 are formed on the outer convex surface of the female die 1 at intervals along an arc, and a plurality of second sinking grooves 202 are formed on the inner concave surface of the male die 2 at intervals along an arc. Specifically, the length direction of the first sinking groove 102 is the same as the length direction of the female die 1, two ends of the first sinking groove 102 are respectively located at the end of the female die 1 and are open, the length direction of the second sinking groove 202 is the same as the length direction of the male die 2, and two ends of the second sinking groove 202 are respectively located at the end of the male die 2 and are open. The heating assembly comprises a plurality of first electric heating tubes 501 corresponding to the first sinking grooves 102 one by one, and a plurality of second electric heating tubes 502 corresponding to the second sinking grooves 202 one by one. The first electric heating tube 501 is detachably inserted into the corresponding first sinking groove 102, and the second electric heating tube 502 is detachably inserted into the corresponding second sinking groove 202. Through the implementation structure, the heating efficiency of the female die 1 and the male die 2 can be effectively increased, the temperatures of the female die 1 and the male die 2 can be more uniform, the composite material is uniformly heated, and the prepared composite material is good in adhesiveness. In the specific implementation process, the first electric-heating tube 501 and the second electric-heating tube 502 both adopt quartz glass heating tubes. Preferably, a temperature-sensitive sensor can be arranged on the quartz glass heating pipe, the processing temperature can be effectively regulated and controlled through an external temperature control box, and the temperature can be adjusted to correspond to different heating working conditions.
In this embodiment, a first heat-insulating plate 6 is arranged between the female die 1 and the pressing block 4, and a second heat-insulating plate 7 is arranged between the male die 2 and the supporting block 3. The first heat insulation plate 6 and the second heat insulation plate 7 are arc-shaped plate structures, specifically: the inner concave surface of the first heat insulation plate 6 is attached to the outer convex surface of the female die 1, and the outer convex surface of the first heat insulation plate 6 is attached to the wall of the assembling groove 401; the outer convex surface of the second heat insulation plate 7 is attached to the inner concave surface of the male die 2, and the inner concave surface of the first heat insulation plate 6 is attached to the cambered surface end of the supporting block 3. In the specific implementation process, the first heat insulation plate 6 and the second heat insulation plate 7 both adopt mica plates, and the thickness of the mica plates is larger than 10mm. Can effectively avoid the ineffective loss of heat and has high heat transfer efficiency. Meanwhile, heat is prevented from being transferred to the supporting block 3 and the pressurizing block 4, the temperature of the whole structure is prevented from being raised due to heat transfer, and operating personnel are protected.
In the specific implementation process, two sides of the female die 1 are provided with first connecting plates 103 extending outwards, and two sides of the pressurizing block 4 are provided with second connecting plates 402 extending outwards; the first connecting plate 103 is provided with a connecting through hole 104, the second connecting plate 402 is provided with a connecting screw hole 403 corresponding to the connecting through hole 104, the female die 1 and the pressurizing block 4 are detachably connected with the bolt 8 through the matching of the connecting through hole 104 and the connecting screw hole 403, and the top end of the bolt 8 is provided with a hanging ring 801 for connecting a compression testing machine. Each first connecting plate 103 is provided with two connecting through holes 104 which are distributed at intervals along the length direction of the female die 1, that is, the female die 1 and the pressurizing block 4 are fixed by four groups of rectangular distribution bolts 8, so that the pressurizing stability of the pressurizing block 4 on the female die 1 is guaranteed.
In the specific implementation process, the two sides of the male die 2 are provided with third connecting plates 203 extending outwards, and the bottom ends of the third connecting plates 203 are flush with the plane end of the supporting block 3, so that the contact area between the whole forming die and the horizontal workbench is increased.
The working principle of the forming die in the embodiment is as follows:
during the use, assemble forming die to shown in fig. 2, and through structural connection rings 801 and compression testing machine such as iron chain, and raise the bed die 1 through control compression testing machine, place the panel 9 that needs hot pressing on formpiston 2, directly heat first electric heating pipe 501, second electric heating pipe 502 or adjust first electric heating pipe 501, second electric heating pipe 502 of electric heating pipe through connecting the temperature-controlled incubator, reach the effect of rising the temperature, in the heating process, panel 9 softens gradually, when reaching hot pressing temperature, adjust compression testing machine, control bed die 1 and push down, accomplish the hot pressing process. In the hot pressing process, pressure is given through control pressure testing machine to obtain the arc thermoplastic composite board that the structure is fine and close, simultaneously, whole journey only needs rely on the machine operation, and the mica plate can effectively insulate against heat, and the effectual operating personnel that prevents is scalded in the preparation process.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (8)

1. A forming die for thermoplastic composite material arc-shaped plates is characterized by comprising a female die, a male die, a supporting block and a pressurizing block;
the female die and the male die are both of arc-shaped plate structures, an inner concave surface on the female die is a first forming surface, an outer convex surface on the male die is a second forming surface, a forming cavity is formed between the first forming surface and the second forming surface, and the geometric centers of the female die and the male die are superposed;
one end of the supporting block is of a plane structure, and the other end of the supporting block is of an arc-shaped surface structure which can be embedded into the concave surface of the male die;
the pressurizing block is detachably connected with the male die, an assembly groove is formed in the bottom end of the pressurizing block, and the outer convex surface of the female die is embedded into the assembly groove;
and heating assemblies are arranged on the female die and the male die.
2. The forming die for the arc-shaped thermoplastic composite plate according to claim 1, wherein a plurality of first sinking grooves are formed on the outer convex surface of the female die at intervals along an arc;
the heating component comprises a plurality of first electric heating pipes which are in one-to-one correspondence with the first sinking grooves, and the first electric heating pipes are detachably embedded into the first sinking grooves in a corresponding mode.
3. The forming die for the arc-shaped plate made of the thermoplastic composite material as claimed in claim 2, wherein a first heat insulation plate is arranged between the female die and the pressurizing block;
the first heat insulation plate is of an arc-shaped plate structure, the inner concave surface of the first heat insulation plate is attached to the outer convex surface of the female die, and the outer convex surface of the first heat insulation plate is attached to the groove wall of the assembling groove.
4. The forming die for the arc-shaped thermoplastic composite plate according to claim 1, wherein a plurality of second sinking grooves are formed in the inner concave surface of the male die at intervals along an arc;
the heating component comprises a plurality of second electric heating pipes which are in one-to-one correspondence with the second sinking grooves, and the second electric heating pipes are detachably embedded into the corresponding second sinking grooves.
5. The forming die for the arc-shaped thermoplastic composite material plate as claimed in claim 4, wherein a second heat insulation plate is arranged between the male die and the supporting block;
the second heat insulation plate is of an arc-shaped plate structure, an outer convex surface of the second heat insulation plate is attached to an inner concave surface of the male die, and the inner concave surface of the second heat insulation plate is attached to the arc-shaped end of the supporting block.
6. The forming die for the arc-shaped thermoplastic composite material plate as claimed in any one of claims 1 to 5, wherein the female die is provided with first connecting plates extending outwards on both sides, and the pressing block is provided with second connecting plates extending outwards on both sides;
the female die is characterized in that a connecting through hole is formed in the first connecting plate, a connecting screw hole corresponding to the connecting through hole is formed in the second connecting plate, and the female die and the pressurizing block are detachably connected through the connecting through hole and the connecting screw hole in a matched mode with the bolt.
7. The forming die for the arc-shaped plate made of the thermoplastic composite material as claimed in claim 6, wherein a hanging ring is arranged at the top end of the bolt.
8. The forming die for the arc-shaped thermoplastic composite material plate as claimed in any one of claims 1 to 5, wherein the male die is provided with third connecting plates extending outwards on two sides, and the bottom ends of the third connecting plates are flush with the planar ends of the supporting blocks.
CN202221559279.3U 2022-06-21 2022-06-21 Forming die for thermoplastic composite material arc-shaped plate Active CN217845814U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221559279.3U CN217845814U (en) 2022-06-21 2022-06-21 Forming die for thermoplastic composite material arc-shaped plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221559279.3U CN217845814U (en) 2022-06-21 2022-06-21 Forming die for thermoplastic composite material arc-shaped plate

Publications (1)

Publication Number Publication Date
CN217845814U true CN217845814U (en) 2022-11-18

Family

ID=84023847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221559279.3U Active CN217845814U (en) 2022-06-21 2022-06-21 Forming die for thermoplastic composite material arc-shaped plate

Country Status (1)

Country Link
CN (1) CN217845814U (en)

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