Composite material continuous compression molding machine

Abstract

The utility model discloses a composite material continuous compression molding machine which comprises an upper traction system, an upper mold, a lower mold, a pressure applying mechanism, a lower traction system and a supporting mechanism, and a hot pressing area I, a hot pressing area II and a hot pressing area III which are continuously and independently regulated and controlled are arranged between the pressure applying mechanism and the supporting mechanism. An upper / lower traction system is adopted to drive an upper / lower die to move, and an assembly line working mode of heating and pressing integrated forming is adopted, and the pressure, temperature and time needed by the composite material in the die are accurately controlled in a hot pressing interval. The continuous compression molding machine for the composite material is reasonable in structural layout, and batch and automation of an assembly line operation mode are realized; a continuous and independently regulated hot pressing interval is set, process parameters in the mold pressing process are accurately controlled, the temperature and pressure of mold pressing forming are guaranteed, and the mold pressing forming quality is stable; the mold and the conveying belt in the composite material continuous mold pressing forming machine are made of metal materials, heat conduction performance is good, temperature rise is fast, and reliability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field, especially relates to a composite continuous die forming machine. BACKGROUND

[0002] Die forming process is that a certain amount of die composite material after certain pretreatment is put into preheated mould, high pressure is applied to make die material fill the mould cavity, the die material is solidified under certain pressure and temperature, then the product is taken out from the mould, and necessary auxiliary processing is carried out to obtain the product. At present, composite material forming process usually requires that prepreg is laid up, and is solidified and formed under specified temperature and pressure. Composite material forming usually adopts hot pressing tank, hot pressing machine and other cooperation moulds to be formed under pressure. Composite material forming has high requirements on cost, efficiency and yield, and most of the prior art is single piece forming process, and product production efficiency is low, cost is high, and batch and large batch industrial production of products is difficult to realize. SUMMARY

[0003] In view of defects and problems existing in the prior art composite material die forming technology, a composite continuous die forming machine is provided, which adopts upper and lower traction system rotation upper / lower die movement and heating and pressure integrated forming flow line operation mode, adjusts and controls pressure and temperature in different hot pressing zones, and the composite material is softened, fused and solidified, finally demoulded to form a new material product, improves the solidification process to reduce time, improve production efficiency and reduce production cost.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: a composite continuous die forming machine, comprising an upper traction system, an upper die, a lower die, a pressure applying mechanism, a lower traction system and a supporting mechanism, the upper traction system and the lower traction system drive the die to move and heat and pressure integrated forming flow line operation mode; a plurality of continuous and independent control hot pressing zones are arranged between the pressure applying mechanism and the supporting mechanism, hot pressing I zone, hot pressing II zone and hot pressing III zone;

[0005] Further, the upper traction system is closed loop arranged on the upper part of the composite continuous die forming machine, comprising a conveyor belt, the upper die is driven to move by the upper traction system; the upper die is arranged on the upper traction system, and the upper die is adapted to the lower die; the lower die is arranged on the lower traction system, and the lower die is adapted to the upper die; the pressure applying mechanism is arranged on the upper traction system, and the pressure applying mechanism is arranged on the upper traction system; the lower traction system is closed loop arranged on the lower part of the composite continuous die forming machine, comprising a conveyor belt, the lower die is driven to move by the lower traction system; the supporting mechanism is arranged on the upper traction system, and the supporting mechanism plays a supporting and heating role on the passing upper die and lower die.

[0006] Further, the pressure applying mechanism is partitioned to apply pressure.

[0007] Further, the upper mold and the lower mold heat the composite material in the mold; further, the number of upper molds is greater than 3; the number of lower molds is greater than 3, and the upper mold and the lower mold are matched into a pair.

[0008] Further, the hot pressing I area is arranged at the left section of the composite material continuous die molding machine, the hot pressing I area increases the temperature by about 60° to 90° and maintains for about 30-40 minutes.

[0009] Further, the hot pressing II area is arranged at the middle section of the composite material continuous die molding machine, the length is 1.2-2 times of the hot pressing I area, the hot pressing II area increases the temperature by about 105° to 135° and maintains for about 50-60 minutes.

[0010] Further, the hot pressing III area is arranged at the right section of the composite material continuous die molding machine, the length is 0.12-0.17 times of the hot pressing I area, the hot pressing III area performs cooling treatment, the temperature is reduced to 50-80° and maintains for about 5 minutes.

[0011] A composite material continuous die molding machine, comprising an upper traction system, a mold, a pressing mechanism, a lower traction system, and a plurality of pressing heating devices arranged symmetrically in succession.

[0012] Further, the pressing mechanism is arranged on the upper and lower sides of the conveying belt; further, the pressing mechanism is provided with a heating plate.

[0013] Further, the lower traction system comprises a support device, a roller connecting device, a conveying belt II, and a transmission device, the support device is arranged at the lower part of the mechanism and is provided with a structure for adjusting the height; the roller connecting device is arranged at the lower part of the conveying belt of the composite material continuous die molding machine; the transmission device is arranged at the right end of the mechanism and comprises a motor, a speed reducer, a transmission roller, and a deflection roller.

[0014] Further, the conveying belt body is made of metal material.

[0015] Compared with the prior art, the composite material continuous die molding machine has the following beneficial effects: 1. The composite material continuous die molding machine adopts an integrated pipeline operation mode of the upper traction system and the lower traction system driving the upper die and the lower die to move and heat and press, and the structural layout is reasonable, and batch production, automation and low-cost manufacturing are realized; 2. The composite material continuous die molding machine is provided with continuous and independently controlled hot pressing intervals, and the pressure, temperature and time required for the composite material in the die are accurately controlled, so that the temperature and pressure required for the die molding of the composite material are ensured, the molding quality of the composite material is stable, and the product consistency and the improvement of the finished product rate are ensured; 3. The mold, the upper traction system and the lower traction system of the composite material continuous die molding machine adopt metal materials, and have good heat conduction performance and fast temperature rising, and have certain strength and wear resistance, and the mechanism has high reliability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the component diagram of the composite material continuous die molding machine embodiment one of the utility model.

[0017] Figure 2 It is the parameter table of the composite material continuous die molding machine of the utility model.

[0018] Figure 3 It is the component diagram of the composite material continuous die molding machine embodiment two of the utility model.

[0019] Figure 4 It is the upper and lower traction system structure schematic view of the composite material continuous die molding machine of the utility model.

[0020] Figure 5 It is the lower traction system structure schematic view of the composite material continuous die molding machine of the utility model.

[0021] Wherein: 100 - upper traction system, 101 - conveyer belt I, 200 - pressing mechanism, 300 - upper die, 400 - lower traction system, 401 - conveyer belt II, 402 - support device, 403 - roller connecting device, 404 - transmission roller, 405 - deflection roller, 500 - support mechanism, 600 - lower die, 700 - hot pressing I area, 800 - hot pressing II area, 900 - hot pressing III area hot pressing mechanism. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one

[0023] like Figures 1-2 As shown, a composite material continuous molding machine includes an upper traction system 100, an upper mold 300, a lower mold 600, a pressure applying mechanism 200, a lower traction system 400, and a support mechanism 500. The upper traction system 100 and lower traction system 400 drive the mold movement and heat and pressurize in an integrated production line operation. Multiple continuous and independently adjustable hot pressing zones are set between the pressure applying mechanism 200 and the support mechanism 500 for temperature and pressure adjustment and control. The upper traction system 100 is a closed-loop configuration located at the top of the composite material continuous molding machine and includes a conveyor belt 101. The upper traction system 100 drives the upper mold 300 on the conveyor belt 101. The upper mold 300 is mounted on the upper traction system 100 and is adapted to the lower mold 600 to mold the composite material. The lower mold 600 is mounted on the lower traction system 400 and is adapted to the upper mold 300. The composite material is injected into the cavity of the lower mold 600. Under the combined action of the upper and lower traction systems, the upper mold 300 and the lower mold 600 cooperate to form the composite material. The pressure applying mechanism 200 is located on the upper traction system 100 and applies pressure and heat to the passing upper mold 300 and lower mold 600. The lower traction system 400 is a closed loop located at the bottom of the composite material continuous molding machine, including a conveyor belt II 401, which drives the lower mold 600 of the conveyor belt 401 to move. The support mechanism 500 is located on the lower traction system 400 and provides support and heat to the passing upper mold 300 and lower mold 600 during pressure application. Under the action of the upper and lower traction systems, the upper mold 300 and lower mold 600 pair up and shape the composite material inside, and flow in different hot pressing zones of the composite material continuous molding machine. The composite material in the mold is heated and pressurized in different hot pressing zones, softening, fusing, and solidifying to form a new material.

[0024] Furthermore, the hot pressing regions are preferably hot pressing region I 700, hot pressing region II 800, and hot pressing region III 900.

[0025] Furthermore, the pressure applying mechanism 200 is configured to apply pressure in zones, applying different pressures to the upper mold 300 and lower mold 600 in different zones.

[0026] Furthermore, the belts of conveyor belt I101 and conveyor belt II401 are made of metal, which can conduct heat and provide sufficient pressure, and have a certain strength and wear resistance, thus supporting and conveying the mold.

[0027] Further, the upper die 300 and the lower die 600 heat the composite material in the die, and the heat conduction performance is good and the temperature rises quickly.

[0028] Further, the number of the upper die 300 is greater than 3, and the number of the lower die 600 is greater than 3; further, the upper die 300 and the lower die 600 are matched into a pair.

[0029] Further, the hot pressing I area 700 is arranged in the left section of the continuous die forming machine for composite materials, the hot pressing I area 700 raises the temperature by about 60° to 90° and maintains for about 30-40 minutes, the metal conveyor belt is heated and provided with a certain pressure by the pressing mechanism 200 and the supporting mechanism 500, the heat is conducted to the die to raise the temperature, and the pressure is conducted to close the die; further, the running speed of the conveyor belt is reduced when the hot pressing I area 700 is running, the temperature of the die is raised, and the temperature is maintained stable within a specified time to soften the curing agent.

[0030] Further, the hot pressing II area 800 is arranged in the middle section of the continuous die forming machine for composite materials, and the length is 1.2-2 times of the hot pressing I area 700, the hot pressing II area 800 raises the temperature by about 105° to 135° and maintains for about 50-60 minutes, the metal conveyor belt is heated and provided with enough pressure by the pressing mechanism 200 and the supporting mechanism 500, the heat and the pressure are conducted to the die, the hot pressing II area 800 is heated and pressurized to a sufficient temperature and maintained, the curing agent is changed from a viscous flow state to a solid state, accompanied by heat release; a suitable pressing temperature can make the surface of the composite material smooth, preventing bubbles, blisters, wrinkles, etc.; enough pressure can ensure the molding of the composite material, and excessive pressure can damage the die, and insufficient pressure can cause pinholes, surface cracking, etc.

[0031] Further, the hot pressing III area 900 is arranged in the right section of the continuous die forming machine for composite materials, and the length is 0.12-0.17 times of the hot pressing I area 700, the hot pressing III area 900 is used for cooling treatment, the temperature is reduced to 50-80° and maintained for about 5 minutes, and the running speed of the conveyor belt is controlled to open the die.

[0032] Further, the hot pressing area adopts electric heating.

[0033] Working principle: the composite material is injected into the cavity of the lower mold 600, and the upper mold 300 and the lower mold 600 are driven to move by the conveying belt of the upper traction system 100 and the lower traction system 400, and gradually cooperate to shape, enter through the hot pressing I area 700, the hot pressing II area 800, the hot pressing III area 900, and are heated and pressurized in different areas; further, the temperature in the hot pressing I area 700 is increased by about 60° to 90° and maintained for about 30-40 minutes, and the composite material including the curing agent is softened; further, the temperature in the hot pressing II area 700 is increased to about 105° to 135° and maintained for about 50-60 minutes, and the pressure is increased at 110°-120 °, and the composite material is fused and cured under the combined action of temperature and pressure to form a new composite material; further, the temperature in the hot pressing III area 900 is reduced to 50-80° and maintained for about 5 minutes, and the conveying belt running speed is controlled to open the mold and fall off.

[0034] After the composite material continuous mold pressing forming machine is started and operated, a plurality of molds continuously and continuously operate, and the softening, fusion, and curing of the composite material in the hot pressing I area 700, the hot pressing II area 800, and the hot pressing III area 900 are realized. The batch and automated production of the composite material. Example two

[0035] As shown in Figures 3-4 A composite material continuous mold pressing forming machine, comprising an upper traction system 100, an upper mold 300, a lower mold 600, a pressure applying mechanism 200, and a lower traction system 400, the upper traction system 100 and the lower traction system 400 drive the upper mold 300 and the lower mold 600 to move and heat and press integrated into a flow line operation mode, the pressure applying mechanism 200 is multiple and continuously arranged symmetrically up and down, and the upper mold 300 and the lower mold 600 passing through the pressure applying mechanism are pressurized and heated.

[0036] Further, the pressure applying mechanism 200 is arranged on the upper and lower sides of the conveying belt, and comprises a heating plate to heat the upper mold 300 and the lower mold 600.

[0037] Further, the lower traction system 400 comprises a support device 402, a roller connecting device 403, a conveyor belt II 401, a transmission device, the support device 402 is arranged at the lower part of the composite continuous die forming machine and is provided with a height adjusting structure, used for supporting the conveyor belt 401 and keeping the stable operation of the conveyor belt 401, and the height of the conveyor belt 401 can be adjusted; the roller connecting device 403 is arranged at the lower part of the conveyor belt 401 of the composite continuous die forming machine, and drives the support of the conveyor belt 401; the transmission device is arranged at the right end of the composite continuous die forming machine, and comprises a motor, a speed reducer, a transmission roller 404 and a deflection roller 405; the motor provides power, the speed reducer transmits power through speed reduction, the transmission roller 404 transmits power to the conveyor belt 401, and drives the conveyor belt 401 to operate.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A continuous compression molding machine for composite materials, comprising an upper traction system, an upper mold, a lower mold, a pressure application mechanism, a lower traction system, a support mechanism, characterized in that: The upper traction system and the lower traction system drive the mold to move and heat the integrated flow line operation mode of the pressure forming; a plurality of continuous and independent control heat pressing areas are arranged between the pressure forming mechanism and the supporting mechanism, heat pressing I area, heat pressing II area, heat pressing III area; Further, the upper traction system is arranged in the upper part of the composite continuous mold pressing forming machine in a closed loop, including a conveyor belt, which drives the upper mold to move through the upper traction system; the upper mold is arranged on the upper traction system, and the upper mold is matched with the lower mold; the lower mold is arranged on the lower traction system, and the lower mold is matched with the upper mold; the pressure forming mechanism is arranged above the upper traction system, and the passing mold is subjected to pressure forming and heating; the lower traction system is arranged in the lower part of the composite continuous mold pressing forming machine in a closed loop, including a conveyor belt, which drives the lower mold to move through the lower traction system; the supporting mechanism is arranged above the lower traction system and plays a supporting and heating role for the passing upper mold and lower mold.

2. A continuous compression molding machine for composite materials according to claim 1, characterized in that: The pressure forming mechanism is arranged in zones.

3. The continuous compression molding machine for composite materials according to claim 1, characterized in that: The upper mold and the lower mold heat the composite material in the mold; further, the number of upper molds is greater than 3; the number of lower molds is greater than 3, and the upper mold and the lower mold are matched in pairs.

4. The continuous compression molding machine for composite materials according to claim 1, characterized in that: The heat pressing I area is arranged in the left segment of the composite continuous mold pressing forming machine, the temperature of the heat pressing I area is increased by about 60° to 90° and maintained for about 30-40 minutes.

5. The continuous compression molding machine for composite materials according to claim 1, characterized in that: The heat pressing II area is arranged in the middle segment of the composite continuous mold pressing forming machine, and the length is 1.2-2 times that of the heat pressing I area, the temperature of the heat pressing II area is increased by about 105° to 135° and maintained for about 50-60 minutes.

6. The continuous compression molding machine for composite materials according to claim 1, characterized in that: The heat pressing III area is arranged in the right segment of the composite continuous mold pressing forming machine, and the length is 0.12-0.17 times that of the heat pressing I area, the heat pressing III area is subjected to cooling treatment, the temperature is reduced to 50-80°, and maintained for about 5 minutes.

7. The continuous compression molding machine for composite materials according to claim 1, characterized in that: A composite continuous mold pressing forming machine comprises an upper traction system, an upper mold, a lower mold, a pressure forming mechanism, and a lower traction system, and the pressure forming mechanism is arranged in multiple and continuous symmetrical positions.

8. A continuous moulding press for composite materials according to claim 7, characterised in that: The pressure forming and heating device is arranged on the upper and lower sides of the conveyor belt; further, the pressure forming and heating device is arranged with a heating plate.

9. The continuous compression molding machine for composite materials according to claim 7, characterized in that: The lower traction system comprises a support device, a roller connecting device, a conveyor belt II, and a transmission device, the support device is arranged in the lower part of the composite continuous mold pressing forming machine and is provided with a structure for adjusting the height; the roller connecting device is arranged in the lower part of the conveyor belt of the composite continuous mold pressing forming machine; the transmission device is arranged at the right end of the mechanism and comprises a motor, a speed reducer, a transmission roller, and a deflection roller.

10. The continuous moulding machine for composite materials according to claim 1 or 9, characterized in that: The conveyor belt body is a metal material.

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