Mold for compression molding of biomass composite material

The mold, designed with a high-pressure hot gas generator and fluororubber sealing ring, solves the problem of heat transfer and curing difficulties in MDF boards, enabling efficient, safe, and energy-saving compression molding of biomass composite materials, suitable for processing thicker products.

CN224012589UActive Publication Date: 2026-03-20NINGBO QIMU TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Currently, there are difficulties in heat transfer and curing in the production of MDF boards, which makes it difficult to process product shapes and prevents the production of thicker boards.

Method used

By using a high-pressure hot gas generator in conjunction with a mold, and through the design of fluororubber sealing rings and pressure relief pipes, airtightness and safety are ensured, achieving efficient compression molding.

Benefits of technology

It achieves efficient, safe, and energy-saving compression molding of biomass composite materials, enabling the processing of thicker products. The molding effect is comparable to that of injection molds, and its application prospects are broad.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mold for compression molding of a biomass composite material, and relates to the technical field of molds. Comprising a mold, a high-pressure hot air generator is arranged on one side of the mold, the mold comprises an upper mold, a charging barrel and a lower mold, a hot air inlet pipe and a hot air outlet pipe of the high-pressure hot air generator are communicated with the interior of the lower mold through the two sides of the lower mold respectively, and a pressure relief pipe communicated with the hot air outlet pipe is further arranged on the hot air inlet pipe. The high-pressure hot air generator is matched with the mold to perform compression molding on the biomass composite material, the molding effect is comparable with that of an injection mold and a die-casting mold, and the device is efficient, energy-saving, safe, high in pertinence, capable of processing thicker products and wide in application prospect; and due to the design of the pressure relief pipe, overflowing gas can be exhausted in time, the pipeline is protected, and the use safety is further guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a mould for biomass composite material mould pressing forming. BACKGROUND

[0002] The biomass composite material is composed of bio-based material, bio-based adhesive and environment-friendly resin, the bio-based material refers to wood powder, wood fiber, shaving and natural fiber, and the material with new performance is formed through physical and chemical methods in macro (micro) view. The development of mould industry gives strong support to manufacturing industry, and the development of manufacturing industry also promotes the development of mould industry. The industrialized production solution of creating a new generation of environment-friendly wood products is similar to the past density board mould pressing forming, plastic injection molding process and hardware die casting forming process, and the wood product industry uses mould forming to replace traditional wood processing, which is the development direction of future wood processing.

[0003] At present, the density board has many defects in production, needs to be made into different shapes through the addition of a board splicing machine, and the thicker board cannot be produced, because heat transfer and curing are difficult, and the use effect is not ideal. UTILITY MODEL CONTENT

[0004] The utility model provides a mould for biomass composite material mould pressing forming to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a mould for biomass composite material mould pressing forming, including mould, one side of mould is provided with high pressure hot gas generator, mould includes upper die, barrel and lower die, the hot gas inlet pipe and hot gas outlet pipe of high pressure hot gas generator are connected with the inside of lower die through both sides of lower die respectively, the hot gas inlet pipe is provided with the pressure relief pipe that is connected with hot gas outlet pipe additionally.

[0006] Further, a fluorine rubber sealing ring one is embedded on the top of the lower die, and the lower die and the barrel are sealed by the fluorine rubber sealing ring one.

[0007] Further, a fluorine rubber sealing ring two is nested on the bottom of the upper die, and the upper die and the lower die are sealed by the fluorine rubber sealing ring two.

[0008] Further, the inside of the lower die is provided with a top plate.

[0009] Further, the four edges of the top plate are provided with inclined surfaces, and the four edges of the inner wall of the lower die are provided with inclined surfaces matched with the inclination of the four edges of the top plate.

[0010] Further, one side of the mould is provided with a mould pressing machine.

[0011] Further, the hot gas inlet pipe, the connection of the hot gas inlet pipe and the pressure relief pipe and the connection of the pressure relief pipe and the hot gas outlet pipe are all provided with pressure regulating valves.

[0012] Further, the upper die is internally provided with a plurality of preheating pipes.

[0013] Compared with the prior art, the utility model provides a mould for biomass composite material mould pressing, has the following beneficial effects:

[0014] The mould for biomass composite material mould pressing is matched with the mould through the high-pressure hot gas generator to mould press the biomass composite material, the moulding effect is comparable to injection moulds and die casting moulds, and the mould is efficient, energy-saving, safe and highly targeted, can process thicker products, has wide application prospect, the design of the fluorine rubber sealing ring one and the fluorine rubber sealing ring two guarantees the air tightness during mould processing, avoids high-pressure hot gas leakage, the design of the pressure relief pipe can timely discharge the overflowed gas, protects the pipeline and further guarantees the use safety. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is an explosion view of the mould structure of the utility model;

[0017] Figure 3 It is a side view of the mould structure of the utility model;

[0018] Figure 4 It is a sectional view of the mould structure of the utility model;

[0019] Figure 5 It is Figure 4 It is a structure enlarged view of A in the middle;

[0020] Figure 6 It is a sectional view of the fluorine rubber sealing ring one and the fluorine rubber sealing ring two structure of the utility model.

[0021] In the drawing: 1, mould; 11, upper die; 12, barrel; 13, lower die; 14, fluorine rubber sealing ring one; 15, fluorine rubber sealing ring two; 16, top plate; 17, mould pressing machine; 18, preheating pipe; 2, high-pressure hot gas generator; 21, hot gas inlet pipe; 22, hot gas outlet pipe; 23, pressure relief pipe; 24, pressure regulating valve. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0023] Please refer to Figures 1-6 The utility model discloses a mould for biomass composite material mould pressing, mould 1 is provided with high pressure hot gas generator 2 on one side of mould 1, mould 1 includes upper die 11, barrel 12 and lower die 13, the hot gas inlet pipe 21 and hot gas outlet pipe 22 of high pressure hot gas generator 2 are communicated with the inside of lower die 13 through the both sides of lower die 13 respectively, still be provided with the pressure relief pipe 23 of communicating with hot gas outlet pipe 22 on hot gas inlet pipe 21, when high pressure hot gas enters the inside hot -blast solidification product of lower die 13 through hot gas inlet pipe 21, when product is shaped, product is dense high, and hot gas resistance becomes big, cannot penetrate product, in order to protect pipeline, the gas of overflow is directly arranged into hot gas outlet pipe 22 and is recycled through pressure relief pipe 23, and high pressure hot gas generator 2 belongs to industrial heat source equipment, is mainly used for providing high temperature high pressure gas flow, is common in drying, hot forming, chemical reaction etc. scene, and its core component includes heating unit, gas pressurization, conveying system and control module.

[0024] Specifically, a fluororubber sealing ring one 14 is embedded on the top of the lower die 13, and the lower die 13 and the barrel 12 are sealed by the fluororubber sealing ring one 14.

[0025] In the embodiment, the barrel 12 cooperates with the lower die 13 to compress the fluororubber sealing ring one 14 after the barrel 12 is connected with the lower die 13, so as to realize the sealing between the barrel 12 and the lower die 13, and avoid high pressure hot gas leakage.

[0026] Specifically, a fluororubber sealing ring two 15 is nested on the bottom of the upper die 11, and the upper die 11 and the lower die 13 are sealed by the fluororubber sealing ring two 15.

[0027] In the embodiment, the upper die 11 and the lower die 13 are set in a closed mode, the upper die 11 enters the inside of the lower die 13, and the fluororubber sealing ring two 15 abuts against the four edges of the inner wall of the lower die 13, so as to realize the sealing of the upper die 11 and the lower die 13.

[0028] Specifically, a top plate 16 is arranged in the inside of the lower die 13, the four edges of the top plate 16 are provided with inclined surfaces, and the four edges of the inner wall of the lower die 13 are provided with inclined surfaces matched with the four edges of the top plate 16.

[0029] In the embodiment, the top plate 16 is driven to rise and fall by the hydraulic cylinder at the bottom of the lower mold 13 to realize the ejection of the molded product, and the sealing between the top plate 16 and the lower mold 13 is realized by the matched slope, when the top plate 16 falls, the design of the slope makes the sealing between the top plate 16 and the slope more precise with the falling of the top plate 16, and no additional sealing ring is needed, and the structure is more compact.

[0030] Specifically, the mold 1 is provided with a molding machine 17 on one side, the hot gas inlet pipe 21, the connection between the hot gas inlet pipe 21 and the pressure relief pipe 23, and the connection between the pressure relief pipe 23 and the hot gas outlet pipe 22 are all provided with pressure regulating valves 24, and the inside of the upper mold 11 is provided with a plurality of preheating pipes 18.

[0031] In the embodiment, the pressure regulating valve 24 is used to regulate the pressure of the high-pressure hot gas, and the heating pipe is used to heat the upper mold 11 to provide a basic temperature (50-60 degrees) for the upper mold 11.

[0032] In use, the upper mold 11 is separated from the lower mold 13, the product raw material is poured into the inside of the lower mold 13, the upper mold 11 is combined with the lower mold 13, the high-pressure hot gas generator 2 is started to deliver high-pressure hot gas into the inside of the lower mold 13 to heat and solidify the product, the gas entering the inside of the lower mold 13 is recycled to the inside of the high-pressure hot gas generator 2 through the hot gas outlet pipe 22, when the product is molded, the high-pressure hot gas generator 2 is closed, the upper mold 11 is separated from the lower mold 13, and the top plate 16 is driven to eject the molded product.

[0033] In summary, the mold for the molding of biomass composite materials is used in cooperation with the high-pressure hot gas generator 2 to mold the biomass composite materials, the molding effect is comparable to that of the injection mold and the die casting mold, and the mold is efficient, energy-saving, safe, and targeted, can process thicker products, has a wide application prospect, the design of the fluororubber sealing ring one 14 and the fluororubber sealing ring two 15 ensures the air tightness during the processing of the mold 1, avoids the leakage of high-pressure hot gas, the design of the pressure relief pipe 23 can timely discharge the overflowed gas to protect the pipeline, and further ensures the safety in use.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mold for compression molding of biomass composite materials, comprising a mold (1), characterized in that: A high-pressure hot gas generator (2) is provided on one side of the mold (1). The mold (1) includes an upper mold (11), a material cylinder (12) and a lower mold (13). The hot gas inlet pipe (21) and the hot gas outlet pipe (22) of the high-pressure hot gas generator (2) are respectively connected to the interior of the lower mold (13) through both sides of the lower mold (13). A pressure relief pipe (23) connected to the hot gas outlet pipe (22) is also provided on the hot gas inlet pipe (21).

2. The mold for compression molding of biomass composite materials according to claim 1, characterized in that: The top of the lower mold (13) is fitted with a fluororubber sealing ring (14), and the lower mold (13) and the barrel (12) are sealed by the fluororubber sealing ring (14).

3. The mold for compression molding of biomass composite materials according to claim 1, characterized in that: The bottom of the upper mold (11) is nested with a fluororubber sealing ring two (15), and the upper mold (11) and the lower mold (13) are sealed by the fluororubber sealing ring two (15).

4. The mold for compression molding of biomass composite materials according to claim 1, characterized in that: The lower mold (13) has a top plate (16) inside.

5. A mold for compression molding of biomass composite materials according to claim 4, characterized in that: The top plate (16) has inclined surfaces on all four sides, and the inner wall of the lower mold (13) has inclined surfaces on all four sides that match the slope of the top plate (16).

6. The mold for compression molding of biomass composite materials according to claim 1, characterized in that: A molding press (17) is provided on one side of the mold (1).

7. A mold for compression molding of biomass composite materials according to claim 1, characterized in that: Pressure regulating valves (24) are provided on the hot gas inlet pipe (21), at the connection between the hot gas inlet pipe (21) and the pressure relief pipe (23), and at the connection between the pressure relief pipe (23) and the hot gas outlet pipe (22).

8. A mold for compression molding of biomass composite materials according to claim 1, characterized in that: The upper mold (11) is equipped with several preheating tubes (18).