A thermoplastic composite material forming mold

Abstract

The utility model discloses a thermoplastic composite material forming mold, which relates to the technical field of forming molds, and is designed to solve the problem in the prior art that the temperature of the thermoplastic composite material after forming is high, which may cause burns to the operator and has poor practicality. A mold core is fixedly installed below the upper mold, a mold cavity is arranged inside the lower mold, nozzle grooves are symmetrically arranged along both sides of the mold cavity inside the lower mold, and the nozzle grooves are connected to the mold cavity, a nozzle is arranged inside the nozzle groove, a conveying air duct is arranged along one side of the nozzle groove inside the lower mold, and the conveying air duct is connected to the nozzle, an air inlet groove is arranged along one side of the conveying air duct inside the lower mold, and the air inlet groove is connected to the conveying air duct, a center rod is arranged inside the air inlet groove, and a fan blade is fixedly installed on the outside of the center rod.

Description

Technical Field

[0001] The utility model relates to the technical field of molding dies, in particular to a thermoplastic composite material molding die. Background Art

[0002] Thermoplastic composite materials are polymers with linear or branched molecular structures. The composite materials have high impact resistance, low hygroscopicity, good environmental resistance, recyclability, short processing cycle, and wide application. They can be used in the electrical industry, transportation, machinery manufacturing, construction industry, and aerospace industry. Thermoplastic composite materials are often prepared by compression molding. Compression molding is widely used in the preparation of thermoplastic composite materials. It uses the characteristics of each stage in the resin curing reaction to achieve product molding, that is, the molding material plasticizes, flows and fills the mold cavity, and the resin solidifies.

[0003] For example, the authorized patent with announcement number CN209566391U (a thermoplastic composite material forming mold): includes a fiber winding system, a fiber dispersion system, a fiber winding tension control system, a composite tension control device, a composite constant pressure device, a resin impregnation system, a glue storage system, a circuit interface composite system, and a fiber clamping device;

[0004] Although the above-mentioned existing technology is convenient and can be used in many occasions, it does not have a heat dissipation structure. The temperature of the thermoplastic composite material is high after molding, which may cause burns to the operator and has poor practicality. Therefore, the market urgently needs to develop a thermoplastic composite molding mold to help people solve the existing problems. Utility Model Content

[0005] The utility model aims to provide a thermoplastic composite material forming die to solve the problem in the above background technology that the thermoplastic composite material has a high temperature after forming, which may cause burns to operators and has poor practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thermoplastic composite material forming mold, comprising an upper mold and a lower mold, a mold core is fixedly installed below the upper mold, a mold cavity is arranged inside the lower mold, nozzle grooves are symmetrically arranged along both sides of the mold cavity inside the lower mold, and the nozzle grooves are connected with the mold cavity, a nozzle is arranged inside the nozzle groove, an air delivery duct is arranged along one side of the nozzle groove inside the lower mold, and the air delivery duct is connected with the nozzle, an air inlet groove is arranged along one side of the air delivery duct inside the lower mold, and the air inlet groove is connected with the air delivery duct, a center rod is arranged inside the air inlet groove, and a fan blade is fixedly installed on the outside of the center rod.

[0007] Preferably, a filter plate is provided on one side inside the air inlet slot, and the filter plate is fixedly connected to the lower mold by screws, a mounting plate 2 is fixedly installed on one side of the lower mold, one end of the center rod passes through the filter plate and is rotatably connected to the mounting plate 2, a motor is fixedly installed on one side of the mounting plate 2, and the output end of the motor is fixedly connected to the center rod, and a scraper is fixedly installed on the outer side of the center rod along one side of the filter plate.

[0008] Preferably, guide pillars are symmetrically fixedly installed on both sides below the upper mold, and positioning grooves are symmetrically arranged on both sides above the lower mold. The guide pillars are inserted into the positioning grooves, and the sizes of the guide pillars and the positioning grooves match.

[0009] Preferably, a top plate is fixedly installed above the upper mold, a bottom frame is fixedly installed below the lower mold, and a bottom plate is fixedly installed below the bottom frame.

[0010] Preferably, a mounting plate 1 is fixedly installed inside the bottom frame, an electric cylinder is fixedly installed below the mounting plate 1, a straight rod is arranged above the mounting plate 1, and a push rod end of the electric cylinder passes through the mounting plate 1 and is fixedly connected to the straight rod.

[0011] Preferably, a plate groove is provided inside the lower mold along the bottom of the mold cavity, a rod hole is provided inside the lower mold along the bottom of the plate groove, a push plate is provided inside the plate groove, and the upper end of the straight rod extends into the plate groove through the rod hole and is fixedly connected to the push plate.

[0012] Preferably, a heating cavity 1 is provided inside the mold core, a heating wire 1 is provided inside the heating cavity 1, a heating cavity 2 is provided inside the lower mold, and a heating wire 2 is provided inside the heating cavity 2.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a nozzle inside the nozzle groove of the lower mold, and the nozzle is connected with the air inlet groove through the conveying air duct, and a center rod with fan blades is provided inside the air inlet groove, so that after the thermoplastic composite material is formed, the fan blades are driven to rotate by driving the center rod, and external air can be drawn to be transported to the inside of the conveying air duct, so that the nozzle can spray air to the thermoplastic composite material, realize air cooling after the thermoplastic composite material is formed, can effectively reduce the temperature of the thermoplastic composite material, facilitate the cooling and shaping of the thermoplastic composite material and the unloading work, and increase the practicality.

[0015] 2. The utility model sets a filter plate on one side of the air inlet slot, so that the air flowing into the air inlet slot can be filtered to retain dust and impurities in the air, and a scraper fixedly connected to the center rod is set on one side of the filter plate, so that when the center rod rotates to extract air, the scraper will be driven to rotate, which is convenient for scraping the surface of the filter plate, preventing dust and impurities from adhering to the surface of the filter plate, which is conducive to the stable flow of air into the air inlet slot and increases practicality.

[0016] 3. The utility model provides guide posts and positioning grooves so that when the upper die and the lower die are closed, the cooperation of the guide posts and the positioning grooves enables the upper die and the lower die to be accurately closed, thereby increasing practicality.

[0017] 4. The utility model provides a straight rod and a push plate. After the thermoplastic composite material is formed and cooled, the electric cylinder drives the straight rod to move upward, so that the push plate can push the thermoplastic composite material inside the mold cavity, which is beneficial to the unloading of the thermoplastic composite material. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of a thermoplastic composite material forming mold of the utility model;

[0019] Figure 2 It is a cross-sectional view of a thermoplastic composite material forming mold of the utility model;

[0020] Figure 3 It is an enlarged schematic diagram of the A part of the utility model;

[0021] Figure 4 It is an enlarged schematic diagram of the B portion of the utility model.

[0022] In the figure: 1. upper mold; 2. lower mold; 201. nozzle groove; 202. positioning groove; 203. heating chamber 2; 204. plate groove; 205. rod hole; 3. bottom frame; 4. top plate; 5. bottom plate; 6. mold core; 601. heating chamber 1; 7. mold cavity; 8. mounting plate 1; 9. electric cylinder; 10. straight rod; 11. push plate; 12. nozzle; 13. guide column; 14. conveying air duct; 15. air inlet groove; 16. fan blade; 17. mounting plate 2; 18. motor; 19. filter plate; 20. center rod; 21. scraper; 22. heating wire 1; 23. heating wire 2. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4The utility model provides an embodiment: a thermoplastic composite material molding mold, including an upper mold 1 and a lower mold 2, a mold core 6 is fixedly installed below the upper mold 1, a mold cavity 7 is arranged inside the lower mold 2, nozzle grooves 201 are symmetrically arranged along both sides of the mold cavity 7 inside the lower mold 2, and the nozzle grooves 201 are connected with the mold cavity 7, a nozzle 12 is arranged inside the nozzle groove 201, a conveying air duct 14 is arranged along one side of the nozzle groove 201 inside the lower mold 2, and the conveying air duct 14 is connected with the nozzle 12, an air inlet groove 15 is arranged along one side of the conveying air duct 14 inside the lower mold 2, and the air inlet groove 15 is connected with the conveying air duct 14, a center rod 20 is arranged inside the air inlet groove 15, and a fan blade 16 is fixedly installed on the outer side of the center rod 20.

[0025] When in use, after the thermoplastic composite material is formed, the fan blades 16 are driven to rotate by driving the central rod 20, so that external air can be drawn into the conveying air duct 14, so that the nozzle 12 can spray air to the thermoplastic composite material, thereby realizing air cooling of the thermoplastic composite material after molding, which can effectively reduce the temperature of the thermoplastic composite material and facilitate the cooling, shaping and unloading of the thermoplastic composite material.

[0026] Furthermore, a filter plate 19 is provided on one side inside the air inlet slot 15, and the filter plate 19 is fixedly connected to the lower mold 2 by screws, a mounting plate 2 17 is fixedly installed on one side of the lower mold 2, one end of the center rod 20 passes through the filter plate 19 and is rotatably connected to the mounting plate 2 17, a motor 18 is fixedly installed on one side of the mounting plate 2 17, and the output end of the motor 18 is fixedly connected to the center rod 20, and a scraper 21 is fixedly installed on the outer side of the center rod 20 along one side of the filter plate 19, so that when the center rod 20 rotates to extract air, the scraper 21 will be driven to rotate, which is convenient for scraping the surface of the filter plate 19, preventing dust and impurities from adhering to the surface of the filter plate 19, and is conducive to the stable flow of air into the air inlet slot 15.

[0027] Furthermore, guide pillars 13 are symmetrically fixedly installed on both sides below the upper mold 1, and positioning grooves 202 are symmetrically arranged on both sides above the lower mold 2. The guide pillars 13 are inserted into the interior of the positioning grooves 202, and the sizes of the guide pillars 13 and the positioning grooves 202 match. Through the cooperation of the guide pillars 13 and the positioning grooves 202, the upper mold 1 and the lower mold 2 can be accurately closed, which increases practicality.

[0028] Furthermore, a top plate 4 is fixedly installed above the upper mold 1, a bottom frame 3 is fixedly installed below the lower mold 2, and a bottom plate 5 is fixedly installed below the bottom frame 3. Multiple bolt holes are provided inside the top plate 4 and the bottom plate 5 to facilitate installation and fixation.

[0029] Furthermore, a mounting plate 8 is fixedly installed inside the bottom frame 3, an electric cylinder 9 is fixedly installed below the mounting plate 8, a straight rod 10 is arranged above the mounting plate 8, the push rod end of the electric cylinder 9 passes through the mounting plate 8 and is fixedly connected to the straight rod 10, a plate groove 204 is arranged inside the lower mold 2 along the bottom of the mold cavity 7, a rod hole 205 is arranged inside the lower mold 2 along the bottom of the plate groove 204, a push plate 11 is arranged inside the plate groove 204, the upper end of the straight rod 10 extends into the interior of the plate groove 204 through the rod hole 205 and is fixedly connected to the push plate 11, the straight rod 10 is driven upward by the electric cylinder 9, so that the push plate 11 can push the thermoplastic composite material inside the mold cavity 7, so as to facilitate the removal and unloading of the thermoplastic composite material.

[0030] Furthermore, a heating chamber 601 is provided inside the mold core 6, a heating wire 22 is provided inside the heating chamber 601, a heating chamber 203 is provided inside the lower mold 2, and a heating wire 23 is provided inside the heating chamber 203, which is beneficial to the hot pressing molding of thermoplastic composite materials.

[0031] Working principle: When in use, when the thermoplastic composite material is formed, the thermoplastic composite material raw material is placed in the mold cavity 7, the upper mold 1 is driven to move downward, and the heating wire 22 and the heating wire 23 are powered on for heating to perform hot pressing. After the thermoplastic composite material is formed, the upper mold 1 is driven to move upward, and the center rod 20 is driven to drive the fan blades 16 to rotate, so that external air can be drawn into the conveying air duct 14 for transport, so that the nozzle 12 can spray air to the thermoplastic composite material, and realize air cooling after the thermoplastic composite material is formed, which can effectively reduce the temperature of the thermoplastic composite material and facilitate the cooling, shaping and unloading of the thermoplastic composite material. After the thermoplastic composite material is formed and cooled, the straight rod 10 is driven upward by the electric cylinder 9, so that the push plate 11 can push the thermoplastic composite material inside the mold cavity 7, which is convenient for taking and unloading the thermoplastic composite material.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A thermoplastic composite material forming die, comprising an upper die (1) and a lower die (2), characterized in that: A mold core (6) is fixedly installed below the upper mold (1), a mold cavity (7) is arranged inside the lower mold (2), nozzle grooves (201) are symmetrically arranged inside the lower mold (2) along both sides of the mold cavity (7), and the nozzle grooves (201) are connected to the mold cavity (7), a nozzle (12) is arranged inside the nozzle groove (201), a conveying air duct (14) is arranged inside the lower mold (2) along one side of the nozzle groove (201), and the conveying air duct (14) is connected to the nozzle (12), an air inlet groove (15) is arranged inside the lower mold (2) along one side of the conveying air duct (14), and the air inlet groove (15) is connected to the conveying air duct (14), a center rod (20) is arranged inside the air inlet groove (15), and a fan blade (16) is fixedly installed on the outer side of the center rod (20).

2. A thermoplastic composite material forming mold according to claim 1, characterized in that: A filter plate (19) is provided on one side inside the air inlet slot (15), and the filter plate (19) is fixedly connected to the lower mold (2) by screws. A second mounting plate (17) is fixedly installed on one side of the lower mold (2). One end of the center rod (20) passes through the filter plate (19) and is rotatably connected to the second mounting plate (17). A motor (18) is fixedly installed on one side of the second mounting plate (17), and the output end of the motor (18) is fixedly connected to the center rod (20). A scraper (21) is fixedly installed on the outer side of the center rod (20) along one side of the filter plate (19).

3. A thermoplastic composite material forming mold according to claim 1, characterized in that: Guide pillars (13) are symmetrically fixedly installed on both sides below the upper mold (1), and positioning grooves (202) are symmetrically arranged on both sides above the lower mold (2). The guide pillars (13) are inserted into the interior of the positioning grooves (202), and the sizes of the guide pillars (13) and the positioning grooves (202) match.

4. A thermoplastic composite material forming mold according to claim 1, characterized in that: A top plate (4) is fixedly mounted above the upper mold (1), a bottom frame (3) is fixedly mounted below the lower mold (2), and a bottom plate (5) is fixedly mounted below the bottom frame (3).

5. A thermoplastic composite material forming mold according to claim 4, characterized in that: A mounting plate (8) is fixedly installed inside the bottom frame (3), an electric cylinder (9) is fixedly installed below the mounting plate (8), a straight rod (10) is arranged above the mounting plate (8), and a push rod end of the electric cylinder (9) passes through the mounting plate (8) and is fixedly connected to the straight rod (10).

6. A thermoplastic composite material forming mold according to claim 5, characterized in that: A plate groove (204) is provided inside the lower mold (2) along the bottom of the mold cavity (7), a rod hole (205) is provided inside the lower mold (2) along the bottom of the plate groove (204), a push plate (11) is provided inside the plate groove (204), and the upper end of the straight rod (10) extends into the plate groove (204) through the rod hole (205) and is fixedly connected to the push plate (11).

7. The thermoplastic composite material forming mold according to claim 1, characterized in that: The mold core (6) is provided with a heating chamber 1 (601) inside, and a heating wire 1 (22) is provided inside the heating chamber 1 (601); the lower mold (2) is provided with a heating chamber 2 (203) inside, and a heating wire 2 (23) is provided inside the heating chamber 2 (203).

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