CN211334654U - Forming die of carbon fiber automobile door outer panel - Google Patents
Forming die of carbon fiber automobile door outer panel Download PDFInfo
- Publication number
- CN211334654U CN211334654U CN201922188977.1U CN201922188977U CN211334654U CN 211334654 U CN211334654 U CN 211334654U CN 201922188977 U CN201922188977 U CN 201922188977U CN 211334654 U CN211334654 U CN 211334654U
- Authority
- CN
- China
- Prior art keywords
- die
- knife edge
- lower die
- cavity
- carbon fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a forming die of a carbon fiber automobile door outer panel, which comprises an upper die and a lower die, wherein the upper die and the lower die form a product cavity after die assembly, and the lower die is provided with an inward concave flash groove at the edge of the cavity; the method is characterized in that: the lower die is provided with a knife edge used for cutting flash generated during molding at the edge of the cavity; the forming die also comprises a vacuumizing device, and an air channel communicated with the vacuumizing device is arranged in the upper die; an elastic limiting part is arranged between the upper die and the lower die during die assembly and is installed on the lower die, and an induction element which can transmit a pressure signal to a controller in the vacuum pumping device to drive the pneumatic valve to work when the pressure is applied to the elastic limiting part is arranged on the elastic limiting part. Adopt forming die above, can one shot compression molding through the mould and need not follow-up cutting and extend the limit and polish the cutting edge to the process is simple, production efficiency is high, can guarantee product quality again simultaneously.
Description
Technical Field
The utility model relates to a forming technology field of carbon fiber goods specifically says a forming die of carbon fiber automobile door planking.
Background
The existing automobile parts are developed towards the direction of light weight, so that the strength of the automobile parts is ensured, and the weight of the automobile parts is reduced as much as possible. For an automobile door outer panel, it is preferable that it is both strong and lightweight. Carbon fiber materials are therefore commonly used for their manufacture because carbon fibers have the advantages of being lighter in weight than aluminum, stronger than steel, resistant to corrosion, resistant to high temperatures, and high in modulus. At present, various methods for manufacturing carbon fiber products are available, and the most suitable method for manufacturing the automobile door outer panel is a compression molding method. The molding method is that the carbon fiber material which is pre-soaked with resin is placed into a metal molding die, the material fills the die cavity under the pressure and temperature of a hydraulic press, residual air is discharged, meanwhile, redundant glue solution overflows, then the resin is cured and molded through high temperature and high pressure for a certain time, and a finished product is obtained after demolding. However, such a forming die of the prior art has the following disadvantages:
1) because a circle of extending edges are required to be formed around the die cavity in the forming process of the carbon fiber in the prior art, when the continuous fiber cloth presoaked with the resin is paved on the die, the continuous fiber cloth cannot be paved very orderly, and once the continuous fiber cloth is paved irregularly, the problems of separation of the cloth and the material, warping of products, uneven product density and the like can be caused; therefore, a circle of extending edge is arranged around the die cavity for placing the periphery of the carbon fiber cloth beyond the range of the die cavity, which is generally called as glue overflow type carbon fiber die pressing technology; in this way, after the product is formed and taken out of the die, the extending edge needs to be cut off, but the edge of the cut product is sharp, so that potential safety hazards exist, and a subsequent edge polishing process is needed; therefore, the existing manufacturing process has more processes and low production efficiency;
2) because the door outer plate is not a regular part, as shown in the attached figure 1, a bend is arranged between the upper part and the lower part of the door plate, a concave door handle installation space is arranged at the bend, and an installation through hole for installing a vehicle window is arranged at the upper part of the door plate; therefore, the resin material is easily out of reach at the corner of the detail during the molding, thereby causing the defect of the molded product.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can a compression moulding and need not follow-up cutting and extend the limit and polish the cutting edge through the mould is provided to simple process, production efficiency height can guarantee product quality's carbon fiber automobile door planking's forming die simultaneously again.
In order to solve the technical problem, the utility model provides a forming die of a carbon fiber automobile door outer panel, which comprises an upper die and a lower die, wherein the upper die and the lower die form a product cavity after die assembly, and the lower die is provided with an inward concave flash groove at the edge of the cavity; the method is characterized in that: the lower die is provided with a knife edge used for cutting flash generated during molding at the edge of the cavity; the forming die also comprises a vacuumizing device, and an air channel communicated with the vacuumizing device is arranged in the upper die; an elastic limiting part is arranged between the upper die and the lower die during die assembly and is installed on the lower die, and an induction element which can transmit a pressure signal to a controller in the vacuum pumping device to drive the pneumatic valve to work when the pressure is applied to the elastic limiting part is arranged on the elastic limiting part.
The vacuumizing device comprises a controller, an air exhaust head and a pneumatic valve, wherein the controller, the air exhaust head and the pneumatic valve are respectively connected in the mold, the controller is in driving connection with the pneumatic valve, one end of the air exhaust head is connected with the pneumatic valve, and the other end of the air exhaust head is connected with the mold and is communicated with an air channel which is arranged in the mold and is communicated with the cavity.
The elastic limiting part is a sealing ring, a sealing groove for forming a closed loop is formed in the outer side of the profile of the cavity of the lower die, and the sealing ring is embedded in the sealing groove and protrudes out of the surface of the lower die.
The sealing ring comprises an upper part and a lower part which are integrally formed, the lower part is tightly matched in the sealing groove and matched with the sealing groove in shape, and the cross section of the upper part is in a semicircular shape protruding outwards; the lower part is provided with an inductive element.
A boss is arranged between the sealing groove and the flash tank on the lower die, a groove is arranged at the matching position of the upper die and the boss, and the groove is communicated with a gas path channel for vacuumizing in the upper die.
The knife edge comprises a knife edge upper inclined plane and a knife edge side inclined plane, one side of the knife edge upper inclined plane is connected with the lower die cavity surface, the other side of the knife edge upper inclined plane is intersected with the knife edge side inclined plane to form a knife edge with an acute included angle, the knife edge side inclined plane is connected with the flash tank, and the knife edge end is higher than the connecting end of the knife edge upper inclined plane and the die cavity surface.
After the structure more than adopting, compared with the prior art, the utility model, have following advantage:
1) because the edge of the profile of the cavity of the lower die is a circle of knife edge, the excessive flash material can be cut off by matching with the movement of the upper die during die assembly, so that the shape and the size required by a molded product are taken out of the die after die opening; therefore, the working procedures of later cutting, polishing and the like are omitted, the production efficiency is greatly improved, and the production cost is reduced; meanwhile, the arrangement of the vacuumizing device ensures that the cavity in the mold is in a vacuum state during mold closing, so that the rubber can fully flow to each corner of the cavity in the vacuumizing process, and the rubber is firmer, thereby avoiding the quality defect of a molded product and further improving the production yield;
2) the arrangement of the elastic limiting block and the induction element can timely transmit signals to a controller of the vacuumizing device to further perform the next operation on the one hand, and on the other hand, the tightness of the upper die and the lower die during die assembly is enhanced, so that a cavity in the die is further ensured to be in a vacuum state during die assembly;
3) the elastic limiting block is designed into a structure with a lower part and an upper part, wherein the lower part is matched with the shape of the sealing groove, and the cross section of the upper part is in a semicircular shape protruding outwards, so that the lower part can be firmly connected with the sealing groove, and the upper part is more sensitive to contact with the upper die, so that the sensing energy of the sensing element is more accurate and sensitive;
4) the boss is arranged at the vacuumized air passage of the lower die, so that the phenomenon that the rubber material overflows from the flash tank and then flows to the air passage opening to block the air passage opening is avoided, and the normal operation of the vacuumizing device in the die is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a medium carbon fiber automobile door outer panel of the present invention.
Fig. 2 is a schematic structural diagram of the forming mold of the carbon fiber automobile door outer panel of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Fig. 5 is an enlarged schematic view of the portion C in fig. 3.
Fig. 6 is a schematic view of the structure of the middle and lower dies of the present invention.
Fig. 7 is a schematic structural view of the vacuum extractor of the present invention.
Wherein, 1, an upper die; 2. a lower die; 3. a cavity; 4. a knife edge; 4-1, an upper inclined plane of the knife edge; 4-2, a knife edge side inclined plane; 5. a flash tank; 6. an elastic limiting part; 6-1, upper part; 6-2, lower part; 7. a gas path channel; 8. a boss; 9. a sealing groove; 10. a groove; 11. a pneumatic valve; 12. an air exhaust head.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 7, the structural schematic diagram of the forming mold of the carbon fiber automobile door outer panel of the present invention includes an upper mold 1 and a lower mold 2, the upper mold 1 and the lower mold 2 form a product cavity 3 after mold closing, and the lower mold 2 has an inward concave flash groove 5 at the edge of the cavity 3; the method is characterized in that: a knife edge 4 for cutting flash generated during molding is arranged at the edge of the cavity 3 of the lower die 2; the forming die also comprises a vacuumizing device, and an air channel 7 communicated with the vacuumizing device is arranged in the upper die 1; an elastic limiting piece 6 is arranged between the upper die 1 and the lower die 2 during die assembly, the elastic limiting piece 6 is installed on the lower die 2, and an induction element which can transmit a pressure signal to a controller in the vacuum pumping device to drive the pneumatic valve 11 to work when the elastic limiting piece 6 is under pressure is arranged on the elastic limiting piece 6.
The vacuumizing device comprises a controller, an air pumping head 12 and a pneumatic valve 11, wherein the controller, the air pumping head 12 and the pneumatic valve 11 are respectively connected in a mold, the controller is in driving connection with the pneumatic valve 11, one end of the air pumping head 12 is connected with the pneumatic valve 11, and the other end of the air pumping head is connected with the mold and is communicated with an air passage channel 7 which is arranged in the mold and is communicated with a cavity 3.
The elastic limiting part 6 is a sealing ring, a sealing groove 9 forming a closed loop is formed in the outer side of the profile of the cavity of the lower die 2, and the sealing ring is embedded in the sealing groove 9 and protrudes out of the surface of the lower die 2.
The sealing ring comprises an upper part 6-1 and a lower part 6-2 which are integrally formed, the lower part 6-2 is tightly matched in the sealing groove 9 and matched with the sealing groove 9 in shape, and the cross section of the upper part 6-1 is in a semicircular shape protruding outwards; an inductive element is arranged in the lower part 6-2.
A boss 8 is arranged between the sealing groove 9 and the flash tank 5 on the lower die 2, a groove 10 is arranged at the matching position of the upper die 1 and the boss 8, and the groove 10 is communicated with an air passage channel 7 used for vacuumizing in the upper die 1.
The knife edge 4 comprises a knife edge upper inclined plane 4-1 and a knife edge side inclined plane 4-2, one side of the knife edge upper inclined plane 4-1 is connected with the lower die cavity surface, the other side of the knife edge upper inclined plane 4-1 is intersected with the knife edge side inclined plane 4-2 to form the knife edge 4 with an acute included angle, the knife edge side inclined plane 4-2 is connected with the flash tank 5, and the knife edge end is higher than the connecting end of the knife edge upper inclined plane 4-1 and the die cavity surface.
The manufacturing process of the carbon fiber automobile door outer panel comprises the following steps:
1) laying carbon fiber cloth on the mold to completely cover the cavity;
2) closing the die, when the upper die 1 contacts the elastic limiting part 6, an induction element on the elastic limiting part 6 transmits a signal to a vacuumizing device to drive a pneumatic valve 11 to start air suction until the inside of the die cavity 3 is in a vacuum state, and at the moment, the resin sizing material gradually overflows into a glue overflow groove and is filled in the whole die cavity; meanwhile, when the upper die 1 and the lower die are completely closed, the overflowing resin sizing material is cut off through a knife edge 4 on the lower die 2;
3) solidifying the fluidity in the forming die to obtain a solid product; and maintaining the pressure;
4) and (5) demolding and taking out.
The above description is only a preferred and feasible embodiment of the present invention, and therefore, the scope of the present invention should not be limited by the above description, and various other modifications made by the technical solutions and concepts of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A forming die of a carbon fiber automobile door outer panel comprises an upper die (1) and a lower die (2), wherein the upper die (1) and the lower die (2) form a product cavity (3) after die assembly, and the lower die (2) is provided with an inwards concave flash groove (5) at the edge of the cavity (3); the method is characterized in that: a knife edge (4) for cutting flash generated during molding is arranged at the edge of the cavity (3) of the lower die (2); the forming die also comprises a vacuumizing device, and a gas path channel (7) communicated with the vacuumizing device is arranged in the upper die (1); an elastic limiting part (6) is arranged between the upper die (1) and the lower die (2) during die assembly, the elastic limiting part (6) is installed on the lower die (2), and an induction element which can transmit a pressure signal to a controller in the vacuum pumping device to drive the pneumatic valve (11) to work when the pressure is applied to the elastic limiting part (6) is arranged on the elastic limiting part.
2. The forming die of the carbon fiber automobile door outer panel according to claim 1, characterized in that: the vacuumizing device comprises a controller, an air pumping head (12) and a pneumatic valve (11), wherein the controller, the air pumping head (12) and the pneumatic valve (11) are respectively connected in a mold, the controller is in driving connection with the pneumatic valve (11), one end of the air pumping head (12) is connected with the pneumatic valve (11), and the other end of the air pumping head is connected with the mold and communicated with an air channel (7) which is arranged in the mold and communicated with a cavity (3).
3. The forming die of the carbon fiber automobile door outer panel according to claim 1, characterized in that: the elastic limiting part (6) is a sealing ring, a sealing groove (9) forming a closed ring is formed in the outer side of the profile of the cavity of the lower die (2), and the sealing ring is embedded in the sealing groove (9) and protrudes out of the surface of the lower die (2).
4. The forming die of the carbon fiber automobile door outer panel according to claim 3, characterized in that: the sealing ring comprises an upper part (6-1) and a lower part (6-2) which are integrally formed, the lower part (6-2) is tightly matched in the sealing groove (9) and matched with the sealing groove (9) in shape, and the cross section of the upper part (6-1) is in a semicircular shape protruding outwards; the lower part (6-2) is provided with an induction element.
5. The forming die of the carbon fiber automobile door outer panel according to claim 4, wherein: a boss (8) is arranged between the sealing groove (9) and the flash groove (5) on the lower die (2), a groove (10) is arranged at the matching position of the upper die (1) and the boss (8), and the groove (10) is communicated with a gas path channel (7) which is used for vacuumizing and arranged in the upper die (1).
6. The forming die of the carbon fiber automobile door outer panel according to claim 1, characterized in that: the knife edge (4) comprises a knife edge upper inclined plane (4-1) and a knife edge side inclined plane (4-2), one side of the knife edge upper inclined plane (4-1) is connected with the lower die cavity surface, the other side of the knife edge upper inclined plane (4-1) is intersected with the knife edge side inclined plane (4-2) to form a knife edge (4) with an acute included angle, the knife edge side inclined plane (4-2) is connected with the flash tank (5), and the knife edge end is higher than the connecting end of the knife edge upper inclined plane (4-1) and the die cavity surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188977.1U CN211334654U (en) | 2019-12-09 | 2019-12-09 | Forming die of carbon fiber automobile door outer panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188977.1U CN211334654U (en) | 2019-12-09 | 2019-12-09 | Forming die of carbon fiber automobile door outer panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211334654U true CN211334654U (en) | 2020-08-25 |
Family
ID=72098144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922188977.1U Active CN211334654U (en) | 2019-12-09 | 2019-12-09 | Forming die of carbon fiber automobile door outer panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211334654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948906A (en) * | 2019-12-09 | 2020-04-03 | 宁波市益普乐模塑有限公司 | Manufacturing process of carbon fiber automobile door outer panel |
-
2019
- 2019-12-09 CN CN201922188977.1U patent/CN211334654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948906A (en) * | 2019-12-09 | 2020-04-03 | 宁波市益普乐模塑有限公司 | Manufacturing process of carbon fiber automobile door outer panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10471668B2 (en) | Vacuum molding of thermoset sheet articles | |
| CN110948906A (en) | Manufacturing process of carbon fiber automobile door outer panel | |
| CN211334654U (en) | Forming die of carbon fiber automobile door outer panel | |
| JP4317453B2 (en) | Method and apparatus for producing molded beads in parts, and glazing structure with molded beads | |
| CN202742593U (en) | Vacuumpumping structure of rubber injection molding vulcanizing machine | |
| JP6332470B2 (en) | Composite material molding method and molding apparatus | |
| CN208146715U (en) | A kind of semicanal part forming mold | |
| US7628947B2 (en) | Process for manufacturing a glazing | |
| CN107983819A (en) | A kind of automobile torsion beam low pressure forming processes and its shaping dies | |
| JP6357984B2 (en) | Composite material molding method and molding apparatus | |
| CN208759941U (en) | A kind of outer core pulling reverse stripping mechanism of mould of car lamp | |
| CN207983876U (en) | One kind being convenient for fixed injection mold | |
| KR102463551B1 (en) | Tire vulcanization device capable of two-step demolding and tire vulcanization method using the same | |
| CN201151175Y (en) | Compression molding die of seal strip of heat radiator for engine cooling system | |
| CN207172794U (en) | One kind vacuumizes tyre adjustable die | |
| CN220242291U (en) | Automobile housing injection mold ejection mechanism | |
| CN218749433U (en) | Aluminium system mould is used in shaping of fiber reinforced resin base | |
| CN217098481U (en) | Sealing strip corner connecting mould | |
| CN211221713U (en) | Half flash mould pressing structure of vertical shear type | |
| CN212445991U (en) | Mould for manufacturing complex parts | |
| CN104097282B (en) | A kind of cast model for producing C-shaped cross section timber material | |
| CN211218512U (en) | Ejecting structure for shortening ejection stroke in cold heading | |
| CN211279556U (en) | SMC mould pressing die | |
| CN108407328A (en) | A kind of hot-press molding method of composite product | |
| CN109016559A (en) | One kind being used for the molding method of the U-shaped beam of composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |