CN210910989U

CN210910989U - Forming device is used in processing of resin matrix combined material part

Info

Publication number: CN210910989U
Application number: CN202020529584.2U
Authority: CN
Inventors: 钱秀松
Original assignee: Harbin FRP Institute Co Ltd
Current assignee: Harbin FRP Institute Co Ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-07-03
Anticipated expiration: 2030-04-08

Abstract

A forming device for processing a resin-based composite material part belongs to the technical field of processing of resin-based composite materials. It provides a forming device for processing resin-based composite material parts, which is easy to demould. The driving gear part is exposed outside the operation cavity, the poking rack is meshed with the driving gear and is connected with the driving gear, the poking rack is fixed on the fixed die, the small gear in the double gear is meshed with the driving gear, the large gear in the double gear drives the driven gear to rotate through the transmission rack, the driven gear and the small gear drive the push rod to reciprocate towards the fixed die through the two-link mechanism, and the sliding groove formed in the transmission rack is connected with the sliding strip arranged in the operation cavity in a sliding mode. The utility model discloses a reciprocating motion that removes the mould realizes stretching out and retracting of ejection mechanism push rod, when removing mould and fixed mould and separately, realizes ejecting of push rod in step, and the increase in quantity of ejector pin, the drawing of patterns is easier, and the drawing of patterns is more quick and with low costs.

Description

Forming device is used in processing of resin matrix combined material part

Technical Field

The utility model belongs to the technical field of resin matrix combined material processing, especially, relate to a forming device is used in processing of resin matrix combined material part.

Background

Injection molding is an important molding method in the production of resin-based composite materials, which is suitable for thermoplastic and thermosetting resin-based composite materials, but the application of thermoplastic resin-based composite materials is wide, and the injection molding is to send granular or powdery fiber-resin mixture into a machine barrel from a hopper of an injection machine, pressurize the mixture by a plunger or a screw after heating and melting, send the mixture into a closed die with lower temperature through a nozzle, and demold the mixture to obtain a product after cooling and shaping.

However, the prior closed die has the problem that the demoulding of the resin-based material is difficult.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides an easy drawing of patterns resin matrix composite part forming device for processing.

The utility model adopts the technical proposal that: a forming device for processing a resin-based composite material part comprises a fixed die, a movable die, a rack, a telescopic mechanism and two ejection mechanisms; the fixed mold is fixed with the frame, the telescopic mechanism arranged on the frame drives the movable mold to reciprocate, the fixed mold and the movable mold are arranged in a matching and inserting way, the adjacent surface between the fixed mold and the movable mold is provided with an injection molding cavity, the fixed mold is provided with an injection molding opening communicated with the injection molding cavity, the two ejection mechanisms are symmetrically arranged in the operating cavities at the left side and the right side of the movable mold, the movable mold is provided with a cold water pipe cavity close to the fixed mold 1 end,

each ejection mechanism comprises a toggle rack, a driving gear, a double gear, a driven gear, a transmission rack, two-link mechanisms and two push rods; the driving gear, the double gears and the driven gear are all rotatably installed in the operation cavity, the driving gear is partially exposed outside the operation cavity, the stirring rack is meshed with the driving gear and is connected with the driving gear, the stirring rack is fixed on the fixed die, the small gears in the double gears are meshed with the driving gear, the large gears in the double gears drive the driven gear to rotate through the transmission rack, the driven gear and the small gears drive the push rods to reciprocate towards the fixed die through the two-link mechanisms, and the sliding grooves formed in the transmission rack are connected with the sliding strips arranged in the operation cavity in a sliding mode.

The beneficial effects of the utility model reside in that:

the utility model discloses a reciprocating motion that removes the mould realizes stretching out and retracting of ejection mechanism push rod, when removing mould and fixed mould and separately, realizes ejecting of push rod in step, and the increase in quantity of ejector pin, the drawing of patterns is easier, and the drawing of patterns is more quick and with low costs.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a schematic drawing of the demolding of the present invention;

FIG. 3 is a schematic of a dual gear and driven gear drive of the ejection mechanism;

wherein: 1-fixing a mould; 1-1-injection molding port; 2-injection molding cavity; 3-moving the mold; 3-1-an operating chamber; 3-2-runner; 3-3-a limiting cavity; 4-an ejection mechanism; 4-1-poking the rack; a 4-2-drive gear; 4-3-double gears; 4-31-pinion; 4-32-bull gear; 4-4-a drive rack; 4-41-chute; 4-5-two-link mechanism; 4-6-push rod; 4-7-driven gear; 4-8-push plate; 5-a frame; 6-a telescoping mechanism; 7-cold water lumen; 9-heat absorption pad; 10-a thermoelectric semiconductor generator; 11-storage battery.

Detailed Description

As shown in fig. 1 to 3, a molding device for processing a resin matrix composite material part comprises a fixed mold 1, a movable mold 3, a frame 5, a telescopic mechanism 6 and two ejection mechanisms 4; the fixed mold 1 is fixed with a frame 5, a telescopic mechanism 6 arranged on the frame 5 drives a movable mold 3 to reciprocate, the fixed mold 1 and the movable mold 3 are arranged in a matching and inserting way, an injection molding cavity 2 is arranged on the adjacent surface between the fixed mold 1 and the movable mold 3, an injection molding port 1-1 communicated with the injection molding cavity 2 is arranged on the fixed mold 1, the two ejection mechanisms 4 are symmetrically arranged in the operating cavities 3-1 at the left side and the right side of the movable mold 3, a cold water pipe cavity 7 is arranged at the end of the movable mold 3 close to the fixed mold 1,

the telescopic mechanism 6 pushes the movable mould 3 to move towards the fixed mould 1, the two moulds are combined, hot-melt resin matrix composite material is injected into the injection mould cavity 2 through the injection mould port 1-1, after injection is completed, cold water is injected into the cold water pipe cavity 7, after uniform cooling is performed, the telescopic mechanism 6 pulls the movable mould 3 back to be away from the fixed mould 1, the two moulds are separated, the ejection mechanism 4 ejects the resin matrix composite material, the resin matrix composite material falls down, and one-time resin matrix composite material forming is completed.

Each ejection mechanism 4 comprises a toggle rack 4-1, a driving gear 4-2, double gears 4-3, a driven gear 4-7, a transmission rack 4-4, two-link mechanisms 4-5 and two push rods 4-6; the driving gear 4-2, the double gear 4-3 and the driven gear 4-7 are rotatably arranged in the operation cavity 3-1, the driving gear 4-2 is partially exposed outside the operation cavity 3-1, the toggle rack 4-1 is engaged with the driving gear 4-2, the toggle rack 4-1 is fixed on the fixed die 1, the pinion gear 4-31 in the double gear 4-3 is engaged with the driving gear 4-2, the gearwheel 4-32 in the double gear 4-3 drives the driven gear 4-7 to rotate through the transmission rack 4-4, the driven gear 4-7 and the pinion gear 4-31 drive the push rod 4-6 to reciprocate towards the fixed die 1 through the two-link mechanism 4-5, the chute 4-41 arranged on the transmission rack 4-4 and the slide bar 3 arranged in the operation cavity 3-1 2 are slidably connected.

When the movable mold 3 moves, the driving gear 4-2 rotates under the action of the poking rack 4-1, the driving gear 4-2 rotates to drive the pinion gear 4-31 and the bull gear 4-32 to rotate simultaneously, the bull gear 4-32 drives the driven gear 4-7 to rotate through the transmission rack 4-4, and the pinion gear 4-31 and the driven gear 4-7 drive the push rod 4-6 to reciprocate towards the fixed mold 1 through the two-link mechanism 4-5.

As shown in fig. 1 and 2, two limiting cavities 3-3 are respectively formed between each operating cavity 3-1 and the movable die 3, the four limiting cavities 3-3 are all vertical and extend towards the fixed die 1, a push rod 4-6 is slidably arranged in each limiting cavity 3-3, a push plate 4-8 is arranged on each push rod 4-6 near the fixed die 1, and the push plates 4-8 are used for plugging the corresponding limiting cavities 3-3.

As shown in fig. 1 and 2, each driven gear 4-7 and each pinion 4-31 are eccentrically and rotatably connected with one end of a corresponding two-link mechanism 4-5, and the other ends of the four two-link mechanisms 4-5 are hinged with corresponding push rods 4-6. The crank-slider mechanism is formed to realize the rotation of circular motion to linear motion.

The telescopic mechanism 6 is one of an electric telescopic rod, a telescopic cylinder or a telescopic oil cylinder.

As shown in fig. 1 and 2, the molding device for processing the resin-based composite material part further comprises a heat absorption pad 9, a thermoelectric semiconductor generator 10 and a storage battery 11; the heat absorption pad 9 is arranged at the end of the movable mould 3 close to the fixed mould 1, the thermoelectric semiconductor generator 10 is in contact with the heat absorption pad 9 and clamped in the movable mould 3, the thermoelectric semiconductor generator 10 is electrically connected with the storage battery 11, and the storage battery 11 is fixed at the outer side of the fixed mould 1. The thermoelectric semiconductor generator 10 converts the temperature difference collected by the heat absorption pad 9 into electricity and collects it by the storage battery 11.

During injection molding, hot-melt resin-based composite material is injected into the injection molding cavity 2 through the injection molding port 1-1, during thermoplastic molding, the temperature is required to be reduced, the thermoelectric semiconductor generator 10 is adopted to convert the wasted heat into electric energy, resources are reasonably utilized, and the effects of energy conservation and environmental protection are achieved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A forming device for processing a resin-based composite material part is characterized in that: comprises a fixed die (1), a movable die (3), a frame (5), a telescopic mechanism (6) and two ejection mechanisms (4); the injection molding machine is characterized in that the fixed die (1) is fixed with the frame (5), the telescopic mechanism (6) arranged on the frame (5) drives the movable die (3) to reciprocate, the fixed die (1) and the movable die (3) are arranged in a matched and inserted manner, the adjacent surface between the fixed die (1) and the movable die (3) is provided with an injection molding cavity (2), the fixed die (1) is provided with an injection molding port (1-1) communicated with the injection molding cavity (2), the two ejection mechanisms (4) are symmetrically arranged in the operation cavities (3-1) at the left side and the right side of the movable die (3), the end of the movable die (3) close to the fixed die (1) is provided with a cold water pipe cavity (7),

each ejection mechanism (4) comprises a toggle rack (4-1), a driving gear (4-2), double gears (4-3), a driven gear (4-7), a transmission rack (4-4), two-link mechanisms (4-5) and two push rods (4-6); the driving gear (4-2), the double gears (4-3) and the driven gears (4-7) are rotatably mounted in the operation cavity (3-1), the driving gear (4-2) is partially exposed out of the operation cavity (3-1), the poking rack (4-1) is meshed with the driving gear (4-2), the poking rack (4-1) is fixed on the fixed die (1), the small gears (4-31) in the double gears (4-3) are meshed with the driving gear (4-2), the large gears (4-32) in the double gears (4-3) drive the driven gears (4-7) to rotate through the transmission racks (4-4), and the driven gears (4-7) and the small gears (4-31) drive the push rods (4-6) to the fixed die (1) through the two-link mechanisms (4-5) And after the reciprocating movement, a sliding groove (4-41) arranged on the transmission rack (4-4) is in sliding connection with a sliding strip (3-2) arranged in the operation cavity (3-1).

2. The molding apparatus for processing a resin-based composite material part according to claim 1, wherein: each operating cavity (3-1) and the moving die (3) form two limiting cavities (3-3), the four limiting cavities (3-3) are vertical and extend towards the fixed die (1), push rods (4-6) are arranged in each limiting cavity (3-3) in a sliding mode, push plates (4-8) are arranged on the push rods (4-6) close to the fixed die (1), and the push plates (4-8) are used for plugging the corresponding limiting cavities (3-3).

3. The molding apparatus for processing a resin-based composite material part according to claim 1 or 2, wherein: each driven gear (4-7) and each pinion (4-31) are eccentrically and rotatably connected with one end of a corresponding two-link mechanism (4-5), and the other ends of the four two-link mechanisms (4-5) are hinged with corresponding push rods (4-6).

4. The molding apparatus for processing a resin-based composite material part according to claim 3, wherein: the telescopic mechanism (6) is one of an electric telescopic rod, a telescopic cylinder or a telescopic oil cylinder.

5. The molding apparatus for processing a resin-based composite material part according to claim 3, wherein: the forming device for processing the resin-based composite material part also comprises a heat absorption pad (9), a thermoelectric semiconductor generator (10) and a storage battery (11); the heat absorption pad (9) is arranged at the end, close to the fixed die (1), of the movable die (3), the thermoelectric semiconductor generator (10) is in contact with the heat absorption pad (9) and clamped in the movable die (3), the thermoelectric semiconductor generator (10) is electrically connected with the storage battery (11), and the storage battery (11) is fixed on the outer side of the fixed die (1).