CN-224224579-U - Carbon fiber bicycle mold

CN224224579UCN 224224579 UCN224224579 UCN 224224579UCN-224224579-U

Abstract

The utility model discloses a carbon fiber bicycle mold, which comprises a lower mold, an upper mold covered on the lower mold and a side inner core arranged between the upper mold and the lower mold, wherein a mold cavity for mounting a bicycle frame preform is enclosed between the lower mold, one side surface of the side inner core and the upper mold, the side inner core is provided with a first side surface for forming the mold cavity and a second side surface opposite to the first side surface, a wear-resisting block is arranged on one side surface of the upper mold facing the lower mold, the wear-resisting block is abutted with the second side surface of the side inner core, a limit step is further arranged at the lower part of the first side surface of the side inner core, and the lower mold is provided with a matching step corresponding to the limit step so as to enable the side inner core to be clamped with the lower mold. According to the utility model, the wear-resistant block is arranged on the side surface of one side of the upper die, which faces the lower die, and the limiting step on the side inner core and the matching step on the lower die are arranged, so that the side inner core is effectively prevented from inclining forwards, the side inner core is ensured to move stably, and the dislocation of the die assembly line is effectively avoided.

Inventors

CHEN JINSONG
HUANG YUJING
LEI XIAO
LUO SIJIE

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 carbon fiber bicycle mould, its characterized in that, the mould includes the lower mould, cover in go up the mould on the lower mould and locate go up the mould with the side kernel between the lower mould, the lower mould the side of side kernel reaches enclose into the mould die cavity that is used for installing the frame preforming between the last mould, the side kernel has and is used for forming the first side of mould die cavity and with the second side that first side is relative, go up the mould orientation be equipped with wear-resisting piece on the side of lower mould, wear-resisting piece with the second side butt of side kernel, the lower part of side kernel still is equipped with spacing step in the side kernel, the lower mould corresponds spacing step is equipped with the cooperation step makes side kernel with lower mould joint.
2. The carbon fiber bicycle mold of claim 1 wherein the wear block is removably connected to the upper mold.
3. The carbon fiber bicycle mold of claim 1, wherein the wear-resistant block has an abutting surface abutting against the side inner core, the abutting surface is inclined to the outer side of the side inner core in a direction from bottom to top, an included angle between the abutting surface and the vertical direction is a first included angle, the first included angle is greater than or equal to 4 degrees and less than or equal to 6 degrees, the second side surface of the side inner core comprises a first matching surface corresponding to the abutting surface, an included angle between the first matching surface and the vertical direction is a second included angle, an included angle between the second included angle and the first included angle is the same, the second side surface of the side inner core further comprises a second matching surface, the second matching surface is positioned above the first matching surface, the second matching surface is connected with the first matching surface, and the second matching surface is inclined to the inner side of the side inner core in a direction from bottom to top, and the second matching surface is a third included angle between the second matching surface and the vertical direction is greater than the third included angle.
4. The carbon fiber bicycle mold of claim 3 wherein the third included angle is greater than or equal to 14 degrees and less than or equal to 16 degrees.
5. A carbon fiber bicycle mold according to claim 3, wherein said first mating surface is located at a lower portion of said second side surface.
6. The carbon fiber bicycle mold as claimed in claim 2, wherein the number of the wear-resistant blocks is two, the wear-resistant blocks are provided with protruding portions, a side surface of the upper mold facing the lower mold is inwards recessed with a recessed groove, the protruding portions are embedded in the recessed groove, and the wear-resistant blocks are connected with the upper mold through bolts.
7. The carbon fiber bicycle mold as defined in claim 1, wherein a limit protrusion is provided at the top of the side inner core, the upper mold is inwardly recessed with a mounting groove, the mounting groove is used for being embedded into the side inner core, and a matching groove is provided at the bottom of the mounting groove corresponding to the limit protrusion so that the limit protrusion is embedded into the matching groove.
8. The carbon fiber bicycle mold of claim 7, wherein the limit projection has at least one inclined side surface inclined toward the inside of the limit projection in a bottom-up direction, and an angle between the inclined side surface and a vertical direction is greater than or equal to 4 degrees and less than or equal to 6 degrees.
9. The carbon fiber bicycle mold of claim 1 wherein the limit step comprises a first step surface facing downward and a second step surface facing outward, the first step surface being a horizontal step surface and the second step surface being a vertical step surface.
10. The carbon fiber bicycle mold according to claim 1, wherein the first side surface of the side inner core comprises a first limiting surface corresponding to the frame preform, the first limiting surface is arranged above the limiting step and connected with the limiting step, a second limiting surface corresponding to the frame preform is arranged on the lower mold and connected with the matching step, a third limiting surface corresponding to the frame preform is arranged on the upper mold, and the first limiting surface, the second limiting surface and the third limiting surface enclose the mold cavity.

Description

Carbon fiber bicycle mold Technical Field The utility model belongs to the field of carbon fiber bicycles, and particularly relates to a carbon fiber bicycle mold. Background In a carbon fiber bicycle, a carbon fiber gauze is generally coated on a mandrel to form a required carbon fiber bicycle preform, and the preform is placed in a mold for heating and pressurizing, as shown in fig. 1-2, the mold comprises a lower mold 1a, an upper mold 2a covered on the lower mold 1a, and a side core 3a arranged between the lower mold 1a and the upper mold 2a, when the mold is covered, the side core 3a can be supported by a frame preform 10a and cannot be completely put in place, the side core 3a needs to be pushed into place by a first inner inclined surface 21a matched with the side core 3a by the upper mold 2a, so that the first inner inclined surface 21a is easy to wear, in addition, the thrust provided by the first inner inclined surface 21a of the upper mold 2a acts on the upper half part of the side core, as shown by an arrow in fig. 2, the upper half part of the side core 3a is inclined forward, so that a mold clamping line is misplaced, as shown in fig. 2 b, and the mold clamping line is the most difficult to be put in place by soil coating, and the large mold clamping line is difficult to be larger, the large and the quality of the mold is seriously affects the quality of the die. Disclosure of Invention The utility model aims to provide a carbon fiber bicycle mold, which solves the problems that in the prior art, the upper mold pushes a side inner core to cause the side inner core to incline forward to cause the dislocation of a die assembly line and the upper mold is worn to cause the dislocation of the die assembly line. In order to achieve the above object, the utility model provides a carbon fiber bicycle mold, which comprises a lower mold, an upper mold covered on the lower mold and a side inner core arranged between the upper mold and the lower mold, wherein a mold cavity for installing a frame preform is enclosed between the lower mold, one side surface of the side inner core and the upper mold, the side inner core is provided with a first side surface for forming the mold cavity and a second side surface opposite to the first side surface, a wear-resistant block is arranged on one side surface of the upper mold facing the lower mold, the wear-resistant block is abutted with the second side surface of the side inner core, a limit step is further arranged at the lower part of the first side surface of the side inner core, and the lower mold is provided with a matching step corresponding to the limit step so that the side inner core is clamped with the lower mold. Preferably, the wear block is detachably connected with the upper die. Preferably, the wear-resistant block has an abutting surface abutting against the side inner core, the abutting surface inclines towards the outer side of the side inner core in the direction from bottom to top, an included angle between the abutting surface and the vertical direction is a first included angle, the angle of the first included angle is greater than or equal to 4 degrees and less than or equal to 6 degrees, the second side surface of the side inner core comprises a first matching surface corresponding to the abutting surface, an included angle between the first matching surface and the vertical direction is a second included angle, an angle of the second included angle is the same as an angle of the first included angle, the second side surface of the side inner core further comprises a second matching surface, the second matching surface is located above the first matching surface and connected with the first matching surface, the second matching surface inclines towards the inner side of the side inner core in the direction from bottom to top, and the included angle between the second matching surface and the vertical direction is a third included angle, and the third included angle is larger than the third included angle. Preferably, the angle of the third included angle is greater than or equal to 14 degrees and less than or equal to 16 degrees. Preferably, the first mating surface is located in a lower portion of the second side surface. Preferably, the wear-resisting blocks are two arranged side by side, the wear-resisting blocks are provided with protruding portions, a side surface of one side of the upper die, which faces the lower die, is inwards sunken with a sunken groove, and the protruding portions are embedded in the sunken groove and are connected with the upper die through bolts. Preferably, the top of the side inner core is provided with a limit protrusion, the upper die is inwards recessed with a mounting groove, the mounting groove is used for being embedded into the side inner core, and the groove bottom of the mounting groove is provided with a matching groove corresponding to the limit protrusion so that the limit protrusion is embedded in