Fire-accompanying fiber extrusion plate cavity capable of discharging bubbles

Abstract

The utility model provides a fire-accompanying fiber extrusion plate cavity capable of exhausting bubbles, belongs to the technical field of high-temperature fire-accompanying composite materials, and solves the technical problem that holes exist after fire-accompanying tows are formed due to the fact that an existing fire-accompanying fiber extrusion plate cavity cannot exhaust gas. A fire-accompanying fiber extrusion plate cavity capable of discharging bubbles comprises a lower die base, an upper die plate is fixedly installed on the inner wall of the lower die base, a fixing ring is fixedly connected to the outer wall of the upper die plate in a pressed mode, a die cavity is fixedly installed in the upper die plate, and a bottom plate is arranged below the die cavity. According to the utility model, the exhaust holes are formed in the upper template, and the vent holes are correspondingly formed in the mold cavity, so that gas in the fire-accompanying fibers below the mold cavity is exhausted through the exhaust holes in the extrusion process, and the fire-accompanying fibers with bubbles are prevented from being extruded and formed; the problem that holes exist in the fire-accompanying fibers due to gas is effectively solved, the extrusion quality and the structural strength of the fire-accompanying fibers are guaranteed, and the processability of the fire-accompanying fibers is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high temperature fire composite material technical field relates to a kind of fire fiber filament equipment, especially a kind of exhaust bubble fire fiber extrusion plate cavity. BACKGROUND

[0002] With the large-scale upgrading of domestic and foreign manufacturing industry, considering operating energy consumption, manufacturing cost, production efficiency, the high performance-price ratio direction of material, composite material with light weight and higher strength, withstand certain temperature becomes the most in-demand market of supply and demand, fire tows begin to pass through microporous extrusion first wet gel, obtain continuous filament bundle with micron level diameter.

[0003] In processing, wet gel is passed through extrusion plate cavity with certain cross-sectional shape, solidified and formed in plate cavity or gel in plate cavity, then under the action of traction machinery tension, infinite long fire tows can be continuously introduced, fire fiber is extruded and formed in extrusion plate cavity, due to the difficulty of gas discharge in fiber, gas exists, and after forming, fire fiber has hole left by not discharging gas, which affects structural strength and overall performance of fire tows. SUMMARY

[0004] The utility model discloses a kind of exhaust bubble fire fiber extrusion plate cavities to solve the technical problems that the utility model wants to solve, how to realize the exhaust of fire tows in extrusion plate cavity.

[0005] The utility model discloses a kind of exhaust bubble fire fiber extrusion plate cavities to solve the technical problems that the utility model wants to solve, how to realize the exhaust of fire tows in extrusion plate cavity.

[0006] A kind of exhaust bubble fire fiber extrusion plate cavity, including lower die holder, the inner wall of the lower die holder is fixedly installed with upper die plate, and the outer wall of upper die plate is fixedly crimped with fixed ring, the inside of upper die plate is fixedly installed with die cavity, and the bottom plate is arranged in the lower side of die cavity, and the bottom plate is fixedly installed in the inner wall of lower die holder;

[0007] The top of upper die plate is equipped with exhaust hole, and the lower side of exhaust hole is correspondingly provided with air hole, and air hole is penetrated and arranged in the inside of die cavity.

[0008] With the above structure, under the action of die cavity setting in the lower side of upper die plate, then make fire fiber gel enter die cavity between bottom plate and bottom plate by upper die plate feed port, so that fire fiber gel is uniformly extruded by extrusion hole in the bottom of bottom plate, under the action of air hole being arranged in the inside of die cavity, by corresponding setting exhaust hole in the top of air hole, gas in the lower side of die cavity in fire fiber is discharged through exhaust hole in the process of extrusion, avoid fire fiber with bubble to be extruded and formed.

[0009] The upper die plate is in a circular structure, and a reverse circular trapezoidal protrusion is arranged on the inner top wall of the upper die plate, and a feeding hole is arranged through the center of the upper die plate.

[0010] With the above structure, the reverse circular trapezoidal protrusion arranged on the inner top wall of the upper die plate ensures the installation stability of the mold cavity inside the upper die plate, and facilitates the accurate passing of the fire-fiber gel through the upper die plate into the inside of the mold cavity, avoiding residues in the mold cavity.

[0011] The two mold cavities are symmetrically arranged below the upper die plate about the center, and the bottom ends of the two mold cavities are arranged in an "eight" shape below the feeding hole of the upper die plate.

[0012] With the above structure, the "eight" shape of the mold cavity at the bottom end of the upper die plate makes the fire-fiber gel entering the inside of the mold cavity through the feeding hole can be effectively scattered, facilitating the uniform extrusion of the fire-fiber gel inside the bottom plate, and being conducive to improving the contact between the fire-fiber gel and the bottom plate and improving the extrusion efficiency of the fire-fiber.

[0013] The outer wall of the bottom plate is fixedly connected with a folding plate, the folding plate is fixedly connected to the inner bottom wall of the lower die seat, and a plurality of extrusion holes are annularly arranged in the inside of the bottom plate.

[0014] With the above structure, the folding plate is arranged to fix the bottom plate and the lower die seat, so that there is space between the mold cavity and the bottom plate for extrusion and exhaust, which is conducive to the exhaust of the gel gas between the mold cavity and the bottom plate through the vent hole to the exhaust hole.

[0015] The exhaust hole is arranged on one side of the feeding hole of the upper die plate, and an exhaust pipe is fixedly connected above the exhaust hole.

[0016] With the above structure, the exhaust hole is arranged on one side of the feeding hole, and the exhaust pipe is connected to the surface of the exhaust hole, so that the exhaust pipe and the feeding pipe do not interfere with each other, and the structure is simple, which is convenient for stably discharging the fire-fiber gel with bubbles and further improves the extrusion quality of the fire-fiber.

[0017] Compared with the prior art, the fire-fiber extrusion plate cavity with exhaust bubbles has the following advantages:

[0018] In the utility model, the exhaust hole is arranged in the inside of the upper die plate, and the vent hole is correspondingly arranged in the inside of the mold cavity, so that the gas in the fire-fiber below the mold cavity is discharged through the exhaust hole during the extrusion process, avoiding the fire-fiber with bubbles being extruded into a shape, effectively preventing the hole problem in the fire-fiber due to the existence of gas, ensuring the extrusion quality and structural strength of the fire-fiber, and improving the processing performance of the fire-fiber. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1It is the external structure schematic diagram of the cavity of the fiber extrusion plate with air bubble discharging and fire accompanying of the utility model.

[0020] Figure 2 It is the cross section structure schematic diagram of the cavity of the fiber extrusion plate with air bubble discharging and fire accompanying of the utility model.

[0021] Figure 3 It is the cross section structure schematic diagram of the cavity of the fiber extrusion plate with air bubble discharging and fire accompanying of the utility model.

[0022] Figure 4 It is the explosion structure schematic diagram of the cavity of the fiber extrusion plate with air bubble discharging and fire accompanying of the utility model.

[0023] Figure 5 It is the cross section structure schematic diagram of the upper mold plate of the utility model.

[0024] In the drawing,

[0025] 1, lower die seat;2, upper mold plate;3, fixed ring;4, mold cavity;5, bottom plate;6, exhaust hole. Specific implementation

[0026] The following is the specific embodiment of the utility model and is combined with the drawings, and the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0027] Embodiment

[0028] As Figures 1-5 indicated;

[0029] The exhaust bubble fire fiber extrusion plate cavity comprises a lower die seat 1, an upper die plate 2, a fixed ring 3, a die cavity 4, a bottom plate 5 and an exhaust hole 6, the upper die plate 2 is fixedly installed on the inner wall of the lower die seat 1, and the outer wall of the upper die plate 2 is fixedly crimped with the fixed ring 3, through the setting of the lower die seat 1 and the fixed ring 3, the upper die plate 2 is fixed in the lower die seat 1, the working stability of the upper die plate 2 is guaranteed, at the same time, considering the extrusion effect of the fire fiber in the upper die plate 2, the die cavity 4 is fixedly installed in the upper die plate 2, specifically, two die cavities 4 are symmetrically arranged below the upper die plate 2 about the axis, the bottom ends of the two die cavities 4 are arranged in an "eight" type structure below the feeding hole of the upper die plate 2, through the "eight" type structure of the die cavity 4 at the bottom end of the upper die plate 2, the fire fiber gel entering the die cavity 4 inside through the feeding hole can be effectively scattered, which is convenient for the fire fiber gel to be uniformly extruded in the bottom plate 5, which is conducive to improving the contact between the fire fiber gel and the bottom plate 5 and improving the extrusion efficiency of the fire fiber, at the same time, the bottom plate 5 is arranged below the die cavity 4 and is fixedly installed on the inner wall of the lower die seat 1, the outer wall of the bottom plate 5 is fixedly connected with a folded plate, and the folded plate is fixedly connected with the inner bottom wall of the lower die seat 1, under the action of the folded plate, the bottom plate 5 is fixedly connected with the lower die seat 1, the fixed installation of the bottom plate 5 and the lower die seat 1 is realized, at the same time, a plurality of extrusion holes are annularly arranged in the inside of the bottom plate 5, which is convenient for the fire fiber gel to be efficiently extruded through the extrusion holes, and the extrusion efficiency of the fire fiber is guaranteed.

[0030] Further, the upper die plate 2 is arranged in a circular structure, a rounded trapezoidal protrusion is arranged on the inner top wall of the upper die plate 2, and a feeding hole is arranged through the axis of the upper die plate 2, through such arrangement, under the action of the rounded trapezoidal protrusion arranged on the inner top wall of the upper die plate 2, the installation stability of the die cavity 4 in the upper die plate 2 is guaranteed, and it is convenient for the fire fiber gel to accurately enter the inside of the die cavity 4 through the upper die plate 2, avoiding residue in the plate cavity, and in order to realize the exhaust effect in the die cavity 4 and avoid the existence of holes left by unremoved gas after the fire fiber is formed, an exhaust hole 6 is arranged on the top of the upper die plate 2, specifically, the exhaust hole 6 is arranged on one side of the feeding hole of the upper die plate 2, an exhaust pipe is fixedly connected above the exhaust hole 6, a ventilation hole is correspondingly arranged below the exhaust hole 6 and is arranged through the inside of the die cavity 4, through such arrangement, the ventilation hole is correspondingly arranged with the exhaust hole 6, which is convenient for the gas in the die cavity 4 to be stably discharged, and under the action of the exhaust pipe connected with the surface of the exhaust hole 6, the exhaust pipe and the feeding pipe on the top of the feeding hole do not interfere with each other, and the structure is simple, which is convenient for the fire fiber gel with bubbles to be stably discharged, guarantees the smoothness and structural rigidity of the fire fiber, and further improves the extrusion quality of the fire fiber.

[0031] The working principle of the utility model discloses: when working, the upper die plate 2 is fixedly installed between the lower die seat 1 and the fixed ring 3, then the upper die plate 2 is under the action of the die cavity 4 arranged below, then the fire accompanying fiber gel enters the die cavity 4 and the bottom plate 5 through the feeding port of the upper die plate 2, so that the fire accompanying fiber gel is conveniently extruded out through the extruding hole at the bottom of the bottom plate 5, under the action of the air hole arranged in the die cavity 4, the exhaust hole 6 is correspondingly arranged at the top of the air hole, so that the gas in the fire accompanying fiber below the die cavity 4 is discharged through the exhaust hole 6 in the extruding process, the fire accompanying fiber with bubbles is avoided to be extruded into shape, and the fire accompanying fiber with bubbles is discharged through the exhaust pipe by being connected above the exhaust hole 6.

[0032] The specific embodiments described herein are merely illustrative of the present application. Various modifications or changes can be made to the specific embodiments described herein by skilled persons in the art of the present application without departing from the spirit of the present application or exceeding the scope of the appended claims.

Claims

1. A fiber extrusion plate cavity capable of venting air bubbles and providing flame, comprising a lower die base (1), characterized in that: The inner wall of the lower mold base (1) is fixedly installed with an upper template (2), and the outer wall of the upper template (2) is fixedly pressed with a fixing ring (3). The upper template (2) is fixedly installed with a mold cavity (4), and a bottom plate (5) is provided below the mold cavity (4). The bottom plate (5) is fixedly installed on the inner wall of the lower mold base (1). The top of the upper template (2) is provided with an exhaust hole (6), and a ventilation hole is provided below the exhaust hole (6), and the ventilation hole is opened through the inside of the mold cavity (4).

2. The bubble-venting and flame-tracing fiber extrusion plate cavity according to claim 1, characterized in that: The upper template (2) has a circular structure, and the inner top wall of the upper template (2) is provided with an inverted frustum-shaped protrusion, and a feed hole is provided through the axis of the upper template (2).

3. The bubble-venting and flame-tracing fiber extrusion plate cavity according to claim 2, characterized in that: The mold cavity (4) is arranged symmetrically about the axis below the upper template (2), and the bottom ends of the two mold cavities (4) are arranged in an "eight" shape below the feed hole of the upper template (2).

4. The bubble-venting and flame-tracing fiber extrusion plate cavity according to claim 1, characterized in that: The outer wall of the base plate (5) is fixedly connected to a folding plate, and the folding plate is fixedly connected to the inner bottom wall of the lower mold base (1). The base plate (5) has multiple extrusion holes arranged in a ring inside.

5. The bubble-venting and flame-tracing fiber extrusion plate cavity according to claim 1, characterized in that: The vent hole (6) is opened on one side of the feed hole of the upper template (2), and an vent pipe is fixedly connected above the vent hole (6).

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