CN-224224578-U - Forming die of carbon fiber bicycle

CN224224578UCN 224224578 UCN224224578 UCN 224224578UCN-224224578-U

Abstract

The utility model discloses a forming die of a carbon fiber bicycle, which comprises a lower die, an upper die and at least one side inner core arranged between the upper die and the lower die, wherein a die pressing position for die pressing and forming a preset part of the carbon fiber bicycle is enclosed between the side inner core and the upper die and/or the lower die, the die pressing position is of a cavity structure, a yarn clamping groove is arranged corresponding to the die pressing position of the forming die, the yarn clamping groove is arranged around the die pressing position, and the yarn clamping groove extends outwards from the die pressing position and is used for clamping and forming carbon fiber yarns of the preset part of the carbon fiber bicycle in the forming process. According to the utility model, the yarn clamping groove is arranged on the forming die corresponding to the mould pressing position, and the carbon fiber yarn is clamped by the yarn clamping groove, so that the problems that the upper mould of the forming die is not in place and the mould clamping line becomes thick and misplaced are avoided, the service life of the forming die is effectively ensured, and the production cost is reduced.

Inventors

CHEN JINSONG
HUANG YUJING
Qiu Meigui
YANG ZHIYI

Assignees

东莞泰合复合材料有限公司

Dates

Publication Date: 20260512
Application Date: 20250529

Claims (10)

1. The utility model provides a forming die of carbon fiber bicycle, its characterized in that includes the lower mould, goes up the mould and locates go up the mould with at least one side interior benevolence between the lower mould, side interior benevolence with go up the mould and/or enclose into between the lower mould and be used for compression molding the die pressing position at carbon fiber bicycle preset position, the die pressing position is the cavity structure, forming die corresponds the die pressing position is equipped with the yarn clamping groove, the yarn clamping groove is around the die pressing position sets up just the yarn clamping groove is followed the outside extension of die pressing position is used for pressing from the shaping in-process carbon fiber yarn material at carbon fiber bicycle preset position.
2. The carbon fiber bicycle molding die of claim 1 wherein said yarn clamping groove includes two opposing yarn clamping surfaces, both of said yarn clamping surfaces extending outwardly from said molding location and a first spacing between said yarn clamping surfaces increasing in a direction outwardly from said molding location.
3. The carbon fiber bicycle molding die of claim 2, wherein the first spacing increases gradually from 0 to 1 millimeter in a direction outward from the molding position.
4. The carbon fiber bicycle molding die of claim 1, wherein the yarn clamping groove comprises two opposite yarn clamping surfaces, wherein both yarn clamping surfaces extend outwardly from the molding position and wherein a second spacing between the two yarn clamping surfaces is the same in a direction outwardly from the molding position.
5. The carbon fiber bicycle molding die of claim 4, wherein the second spacing is greater than or equal to 0.15 millimeters and less than or equal to 0.25 millimeters.
6. The carbon fiber bicycle molding die of claim 1 wherein the molding station has a first length and the yarn clamping groove has a second length disposed about the molding station, the second length being greater than the first length.
7. The molding die of a carbon fiber bicycle as set forth in claim 1, wherein said yarn clamping groove is provided at a side of said molding position.
8. The molding die of the carbon fiber bicycle according to claim 7, wherein the number of the yarn clamping grooves is two, the two yarn clamping grooves are a first yarn clamping groove and a second yarn clamping groove respectively, and the first yarn clamping groove is arranged below the second yarn clamping groove.
9. The molding die of claim 8, wherein four side kernels are respectively a first side kernel, a second side kernel, a third side kernel and a fourth side kernel, the first side kernel, the second side kernel, the third side kernel, the fourth side kernel and the lower die enclose the molding position, the first side kernel, the second side kernel and the third side kernel are all mounted on the lower die, the fourth side kernel is mounted on the second side kernel and the third side kernel, the lower die and the first side kernel are spliced to form the lower part of the molding position, the second side kernel and the third side kernel are spliced to form the periphery of the molding position, the fourth side kernel forms the upper part of the molding position, and the lower die, the second side kernel and the third side kernel are spliced to form the periphery of the molding position, and the fourth side kernel forms the upper part of the molding position.
10. The molding die of claim 9, wherein the first yarn clamping groove comprises a first yarn clamping surface and a second yarn clamping surface which are oppositely arranged, the second yarn clamping groove comprises a third yarn clamping surface and a fourth yarn clamping surface which are oppositely arranged, the lower die and the first side inner core are spliced to form the first yarn clamping surface, the first yarn clamping surface is horizontally arranged, the lower surface of the second side inner core and the lower surface of the third side inner core are spliced to form the second yarn clamping surface, the second yarn clamping surface is positioned above the first yarn clamping surface, the upper surface of the second side inner core and the upper surface of the third side inner core are spliced to form the third yarn clamping surface, the fourth side inner core is spliced to form the fourth yarn clamping surface, and the third yarn clamping surface and the fourth yarn clamping surface are both inclined along the upper side and are arranged below the fourth yarn clamping surface.

Description

Forming die of carbon fiber bicycle Technical Field The utility model belongs to the field of carbon fiber bicycles, and particularly relates to a forming die of a carbon fiber bicycle. Background The molding mode of the carbon fiber bicycle generally comprises compression molding and wind pressure molding, so that a wind pressure area and a compression molding area are included in a molding die, a main body part of the carbon fiber bicycle is generally molded directly by wind pressure, and for parts with complex molding and high processing requirements, such as connecting holes, compression molding is generally adopted, carbon fiber yarn materials are directly attached to the molding die with required molding, and then are molded by utilizing the pressure of the molding die and matching with a certain temperature, but the compression molding area of the existing molding die has the problems that yarn clamping causes curling of the molding die, the upper die is not combined in place, and the clamping lines become thick and misplaced, and in addition, irregular burrs are generated in the clamping areas of the carbon fiber yarn materials clamped between the molding dies, so that the burrs are not easy to polish. Disclosure of Invention The utility model aims to provide a forming die for a carbon fiber bicycle, which solves the problems that an upper die of the forming die is not in place, and a die assembly line becomes thick and misplaced in the prior art. In order to achieve the above-mentioned purpose, the present utility model provides a molding die for a carbon fiber bicycle, including a lower die, an upper die, and at least one side inner core disposed between the upper die and the lower die, wherein a molding position for molding a preset portion of the carbon fiber bicycle is defined between the side inner core and the upper die and/or the lower die, the molding position is a cavity structure, the molding die is provided with a yarn clamping groove corresponding to the molding position, the yarn clamping groove is disposed around the molding position, and the yarn clamping groove extends outwards from the molding position for clamping carbon fiber yarn material forming the preset portion of the carbon fiber bicycle in the molding process. Preferably, the yarn clamping groove comprises two opposite yarn clamping surfaces, wherein the two yarn clamping surfaces extend outwards from the mould pressing position, and the first interval between the two yarn clamping surfaces gradually increases in the outwards direction from the mould pressing position. Preferably, the first spacing increases gradually from 0 to 1mm in a direction outward from the molding position. Preferably, the yarn clamping groove comprises two opposite yarn clamping surfaces, wherein the two yarn clamping surfaces extend outwards from the mould pressing position, and the second spacing between the two yarn clamping surfaces is the same in the direction outwards from the mould pressing position. Preferably, the second pitch is greater than or equal to 0.15 millimeters and less than or equal to 0.25 millimeters. Preferably, the molding position has a first length, and the yarn clamping groove has a second length disposed around the molding position, the second length being greater than the first length. Preferably, the yarn clamping groove is arranged at the side of the mould pressing position. Preferably, the number of the yarn clamping grooves is two, the two yarn clamping grooves are a first yarn clamping groove and a second yarn clamping groove respectively, and the first yarn clamping groove is arranged below the second yarn clamping groove. Preferably, the number of the side kernels is four, the four side kernels are respectively a first side kernel, a second side kernel, a third side kernel and a fourth side kernel, the first side kernel, the second side kernel, the third side kernel, the fourth side kernel and the lower die enclose the molding position, the first side kernel, the second side kernel and the third side kernel are all arranged on the lower die, the fourth side kernel is arranged on the second side kernel and the third side kernel, the lower die and the first side inner core are spliced to form the lower part of the die pressing position, the second side inner core and the third side inner core are spliced to form the periphery of the die pressing position, the fourth side inner core is spliced to form the upper part of the die pressing position, the first yarn clamping groove is formed between the lower die and the first side inner core and between the second side inner core and the third side inner core, and the second yarn clamping groove is formed between the second side inner core and between the third side inner core and the fourth side inner core. Preferably, the first yarn clamping groove comprises a first yarn clamping surface and a second yarn clamping surface which are oppositely arranged, the second yarn