CN111497078A - Molding mold for carbon fiber seat back - Google Patents

Abstract

A forming mold for a carbon fiber seat back includes an upper mold and a lower mold, the upper mold and the lower mold are pressed together to form a carbon fiber seat back, the lower mold includes a first main body part for forming a seat back main body, the main body part The undulating wave shape in the horizontal direction, along the outer edge of the main body part is provided with a first ditch, along the length of the lower mold is provided with a wave-shaped first wave surface with the The outer side is provided with a first rib.

Description

Molding mold for carbon fiber seat back

technical field

The present invention relates to a molding die for a carbon fiber seat back.

Background technique

Carbon fiber reinforced resin matrix composites have been widely used in aerospace, fan blades, sports equipment, and auto parts due to their high strength, high modulus, flexible molding process, and obvious lightweight effect. When processing carbon fiber materials into products, the existing processing molds usually cannot form a ring-shaped cavity structure, which cannot meet the needs of product customers.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, and to provide a molding die for molding a carbon fiber seat back.

The technical scheme adopted by the present invention to solve the above problems is: a forming mold for a carbon fiber seat back includes an upper mold and a lower mold, the upper mold and the lower mold are pressed together to form a carbon fiber seat back, and the lower mold includes a molding seat. The first main body part of the backrest main body, the main body part has a wave shape of ups and downs in the horizontal direction, a first ditch is arranged along the outer edge of the outer edge of the main body part, and a wave with the same main body part is arranged along the length of the lower mold The first wave surface of the shape of the first wave surface, the outer side of the first wave surface is provided with a first rib;

The upper mold is provided with a second main body portion corresponding to the first main body portion, a second trench is provided on the outer edge of the outer edge of the second main body portion, and a wave-shaped first groove is provided along the length of the upper mold. Two corrugated surfaces, the outer side of the second corrugated surface is provided with a second rib; the upper die or the lower die or the lower die or the upper die and the lower die have a channel connecting the first ditch or/and the second ditch when they are pressed together; When the upper mold and the lower mold are pressed together, the first ditch corresponds to the second ditch in the vertical direction, the first wave surface corresponds to the second wave surface in the vertical direction, and the first main body corresponds to the second main body in the vertical direction. The first rib and the second rib are in contact.

Wherein, the lower mold includes a base portion, a left side portion, a right side portion and an upper end portion, the left side portion, the right side portion and the upper end portion are respectively installed on the base portion, the first wave surface and the first A rib is arranged on the left side, the first wave surface and the first rib are arranged on the right side, and both ends of the upper end are respectively connected to the first wave surface on the left side and the first wave on the right side. noodle.

Wherein, the first trench penetrates around the outer edge of the first main body portion.

Wherein, the second ditch is arranged on the upper mold in sections.

Wherein, the contact surface of the first rib and the second rib is an inclined surface.

Compared with the prior art, the present invention has the following advantages and effects: the present invention can form a hollow annular structure after installing an inflatable filling bag in a ditch during use, which enhances the yield strength of the product and saves materials.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention in a disassembled state.

FIG. 2 is a schematic structural diagram of the combined state of the present invention.

FIG. 3 is a schematic structural diagram of the upper mold according to the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and through the examples. The following examples are to explain the present invention and the present invention is not limited to the following examples.

Example 1

As shown in Figures 1-3, the forming mold of the carbon fiber seat back includes an upper mold 2 and a lower mold 1, the upper mold 2 and the lower mold 1 are pressed together to form a carbon fiber seat back, and the lower mold 1 includes a forming seat The first main body part 11 of the seat back main body, the main body part is undulating in the horizontal direction, a first ditch 12 is provided along the outer edge of the outer edge of the main body part, and the same is provided along the length of the lower mold 1. The wave-shaped first wave surface 13 of the main body part is provided with a first rib 14 on the outer side of the first wave surface 13 ; the upper die 2 is provided with a second main body part 21 corresponding to the first main body part 11 . The outer edge of the outer edge of the main body part 21 is provided with a second ditch 22, along the length of the upper die 2 is provided with a wave-shaped second wave surface 23 that is the same as the main body part, and the outer side of the second wave surface 23 is provided with a second stopper Side 24; the upper mold 2 or the lower mold 1 or the lower mold 1 or the upper mold 2 and the lower mold 1 have a channel communicating with the first trench 12 or/and the second trench 22 when they are pressed together; the upper mold 2 and When the lower mold 1 is pressed together, the first trench 12 corresponds to the second trench 22 in the vertical direction, the first corrugated surface 13 corresponds to the second corrugated surface 23 in the vertical direction, and the first main body 11 corresponds to the second trench in the vertical direction. In the two main body parts 21 , the first rib 14 and the second rib 24 are in contact. When in use, the planar carbon fiber material is laid flat on the lower mold 1, and the outer edge of the carbon fiber material is wrapped with an inflatable film bag and arranged in the first ditch 12. After the upper mold 2 and the lower mold 1 are pressed together, the inflatable film bag is accommodated in the first ditch. 12 and the second ditch 22, the air pump inflates the air-filled membrane bag through the channel to form a support for the carbon fiber material between the first ditch 12 and the second ditch 22, and the outside of the carbon fiber material is restricted by the first ditch 12 and the second ditch 22 so as to form a support. Molded to form the outer hollow hem on the carbon fiber seat back. The upper mold 2 and the lower mold 1 are respectively provided with wavy surfaces, and after being pressed together, a wavy curve conforming to the curve of the back of the human body is formed. The air of the inflatable film bag is exhausted after the manufacture is completed, so that the demoulding can be realized.

In this embodiment, the lower mold 1 includes a base portion 1a, a left side portion 1b, a right side portion 1c and an upper end portion 1d, and the left side portion 1b, the right side portion 1c and the upper end portion 1d are respectively installed on the base The seat portion 1a, the first corrugated surface 13 and the first rib 14 are arranged on the left side portion 1b, the first corrugated surface 13 and the first rib 14 are arranged on the right side portion 1c, and the two ends of the upper end portion 1d are respectively The first corrugated surface 13 located on the left side part 1b and the first corrugated surface 13 located on the right side part 1c are connected. Further, the left part 1b, right part 1c and upper end part 1d of the lower mold 1 can be disassembled or assembled with the base part 1a, and can be distributed during manufacture to improve manufacturing efficiency.

In this embodiment, the first trench 12 penetrates around the outer edge of the first main body portion.

In this embodiment, the second trenches 22 are arranged on the upper mold 2 in sections.

In this embodiment, the contact surfaces of the first rib 14 and the second rib 24 are inclined surfaces. Specifically, the first rib 14 and the second rib 24 are both provided with inclined surfaces, and the two inclined surfaces have a guiding function when they are in contact, so that the upper mold 2 and the lower mold 1 can be matched and pressed together.

The above content described in this specification is merely an illustration of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or substitute in similar manners, as long as they do not deviate from the content of the description of the present invention or go beyond the scope defined by the claims. , should belong to the protection scope of the present invention.

Claims (5)

1. The forming die for the carbon fiber seat backrest comprises an upper die and a lower die, wherein the upper die and the lower die are pressed together to form the carbon fiber seat backrest, and the forming die is characterized in that the lower die comprises a first main body part for forming a seat backrest main body, the main body part is in a wave shape with high and low fluctuation in the horizontal direction, a first ditch is arranged along the outer edge of the main body part, a first wave surface with the wave shape of the main body part is arranged along the length direction of the lower die, and a first blocking edge is arranged on the outer side of the first wave surface;

the upper die is provided with a second main body part corresponding to the first main body part, a second ditch is arranged on the outer edge of the second main body part, a second wavy surface which is the same as the main body part is arranged along the length direction of the upper die, and a second retaining edge is arranged on the outer side of the second wavy surface;

the upper die or the lower die or the upper die and the lower die are provided with a channel communicated with the first channel or/and the second channel when being pressed;

when the upper die and the lower die are pressed, the first channel corresponds to the second channel in the vertical direction, the first wavy surface corresponds to the second wavy surface in the vertical direction, the first main body part corresponds to the second main body part in the vertical direction, and the first retaining edge is contacted with the second retaining edge.

2. The mold for molding a carbon fiber seat back according to claim 1, wherein the lower mold comprises a base portion, a left portion, a right portion and an upper portion, the left portion, the right portion and the upper portion are respectively mounted on the base portion, the first wavy surface and the first rib are disposed on the left portion, the first wavy surface and the first rib are disposed on the right portion, and both ends of the upper portion respectively engage with the first wavy surface on the left portion and the first wavy surface on the right portion.

3. The carbon fiber seat back molding die of claim 1, wherein: the first trench penetrates around the outer edge of the first main body portion.

4. The carbon fiber seat back molding die of claim 1, wherein: the second ditch is arranged on the upper die in a segmented mode.

5. The carbon fiber seat back molding die of claim 1, wherein: the contact surface of the first retaining edge and the second retaining edge is an inclined surface.

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