CN113043430A - Extrusion method and extrusion equipment for extruding continuous wet blank plate compounded with reinforcing wires - Google Patents
Extrusion method and extrusion equipment for extruding continuous wet blank plate compounded with reinforcing wires Download PDFInfo
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- CN113043430A CN113043430A CN202110120483.9A CN202110120483A CN113043430A CN 113043430 A CN113043430 A CN 113043430A CN 202110120483 A CN202110120483 A CN 202110120483A CN 113043430 A CN113043430 A CN 113043430A
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- wire
- wire feeding
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- blank plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
- B28B3/2645—Extrusion dies using means for inserting reinforcing members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
Abstract
The invention discloses an extrusion method and extrusion equipment for extruding a continuous wet blank plate compounded with reinforcing wires, and belongs to the technical field of extrusion methods and equipment adopted in manufacturing of ECP plates. The invention relates to an extrusion method of a continuous wet blank plate compounded with reinforcing wires, which comprises the steps of continuously conveying the reinforcing wires penetrating into a machine head of an extruder and running to a die port in parallel while pug is extruded from the die port at the tail end of the machine head of the extruder to form the continuous wet blank plate so as to compound the reinforcing wires on the continuous wet blank plate formed by extrusion; the wire feeding speed of the reinforcing wire is synchronous with the traveling speed of the continuous wet blank plate formed by extrusion, and the traveling directions of the reinforcing wire and the continuous wet blank plate are the same at the position of a die for compositely extruding the reinforcing wire and the continuous wet blank plate. By adopting the invention, the continuous wet blank plate formed by extrusion can be compounded with the reinforcing wire; the finally prepared ECP finished board is compounded with the reinforcing wires, so that the tensile strength, the bending strength and other properties of the ECP finished board are obviously improved, and the security is higher.
Description
Technical Field
The invention relates to an extrusion method and extrusion equipment for extruding a continuous wet blank plate compounded with reinforcing wires, and belongs to the technical field of extrusion methods and equipment adopted in ECP plate manufacturing.
Background
ECP board, extrusion Cement board, is a new Cement board produced by using Cement, fiber and siliceous material as main material and through vacuum high pressure extrusion forming and high temperature high pressure steam curing. The board does not contain any harmful substance, belongs to an environment-friendly building material product actively encouraged by the state, has excellent properties of high strength, light weight, fire resistance, weather resistance, earthquake resistance, sound insulation and the like, and is widely applied to building outer walls and inner walls. And through the organic combination of the various texture changes and the design style of the surface of the plate, the outer wall of the building forms the decorative effect of the building, and the plate is particularly suitable for standard buildings and large stadiums. In addition, the sound insulation board can be widely applied to partition walls of high-grade hotels due to excellent sound insulation effect and strength, or can be matched with concrete frame structures and buildings in steel structure forms through specially-made connecting pieces.
In the process of manufacturing the ECP plate, various raw materials are stirred and mixed into pug, and then the pug is continuously extruded to form a continuous wet blank plate; and then cutting the continuous wet blank plate into an intermittent wet blank plate with the required size, and then curing, machining and the like the intermittent wet blank plate (ECP blank plate) to form an ECP finished product plate.
In the process of continuously extruding the pug to form the continuous wet blank plate, an extruder is required, and the pug can be continuously extruded to form the continuous wet blank plate by the extruder. A brief description of an extruder is provided herein, which is a prior art extrusion molding apparatus, such as a screw extruder. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. The extruder mainly comprises components such as transmission, feeding, a charging barrel, a screw, an extruder head, a mouth mold and the like. The neck ring mold (neck ring mold is also called as die head) is arranged at the tail end of the extruder head, and the neck ring mold can be an integral structure in the extruder head or can be detachably connected with the extruder head so as to be convenient for replacing the neck ring mold. The extruder head can guide pug in rotary motion into a die, and the pug is extruded from the die to form a continuous wet blank plate. That is, the pug is extruded from a die at the end of an extruder head of the extruder by the extruder to form a continuous wet slab.
The applicant finds that the properties of tensile strength, bending strength and the like of the ECP finished board finally prepared by the existing extruder are not ideal; and ECP finished panels are prone to safety problems of direct fracture and drop in the event of a brute force impact. Therefore, the invention designs an extrusion method and extrusion equipment, which can lead the continuous wet blank plate formed by extrusion to be compounded with the reinforcing wires; the finally prepared ECP finished board is compounded with the reinforcing wires, the performances of tensile strength, bending strength and the like of the ECP finished board compounded with the reinforcing wires are obviously improved, integrity can be kept after strong impact fracture, and the safety problem that the ECP finished board is directly fractured and falls is solved.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the invention provides an extrusion method and an extrusion device for extruding a continuous wet blank plate compounded with reinforcing wires; the finally prepared ECP finished board is compounded with the reinforcing wires, the performances of tensile strength, bending strength and the like of the ECP finished board compounded with the reinforcing wires are obviously improved, integrity can be kept after strong impact fracture, and the safety problem that the ECP finished board is directly fractured and falls is solved.
The technical scheme adopted by the invention is as follows:
an extrusion method of a continuous wet blank plate compounded with reinforcing wires comprises the steps of continuously conveying the reinforcing wires penetrating into a head of an extruder and running to a die when pug is extruded from the die at the tail end of the head of the extruder to form the continuous wet blank plate so as to compound the reinforcing wires on the continuous wet blank plate formed by extrusion; the wire feeding speed of the reinforcing wire is synchronous with the traveling speed of the continuous wet blank plate formed by extrusion, and the traveling directions of the reinforcing wire and the continuous wet blank plate are the same at the position of a die for compositely extruding the reinforcing wire and the continuous wet blank plate.
When the extrusion method is adopted, pug is extruded from the neck ring die at the tail end of the head of the extruder to form the continuous wet blank plate, and simultaneously, due to the design of the reinforcing wires which are continuously conveyed to penetrate into the head of the extruder and run to the neck ring die in parallel, the continuous wet blank plate formed by extrusion can be compounded with the reinforcing wires to form the continuous wet blank plate compounded with the reinforcing wires; due to the design that the wire feeding speed of the reinforcing wires is synchronous with the traveling speed of the continuous wet blank plate formed by extrusion, the reinforcing wires and the continuous wet blank plate can be effectively and reliably compounded, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wires is ensured and improved; the reinforcing wires and the continuous wet blank plate have the same traveling direction at the position of the die for compositely extruding the reinforcing wires and the continuous wet blank plate, so that the reinforcing wires are distributed along the length direction of the continuous wet blank plate in the continuous wet blank plate compounded with the reinforcing wires formed by extrusion, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wires can be ensured and improved. That is, the extrusion method of the present invention can extrude and form a continuous wet mat combined with reinforcing fibers. When the continuous wet blank plate compounded with the reinforcing wires is cut into an ECP blank plate compounded with the reinforcing wires (namely, an interrupted wet blank plate compounded with the reinforcing wires), the ECP blank plate is subjected to the procedures of curing, machining and the like to form an ECP finished product plate compounded with the reinforcing wires; because the ECP finished board is compounded with the reinforcing wires, the performances of tensile strength, bending strength and the like of the ECP finished board are obviously improved, and the ECP finished board compounded with the reinforcing wires can keep integrity after being broken by strong impact, so that the safety problem that the ECP finished board is directly broken and falls is avoided; the application range, the service life and the safety of the ECP finished plate are improved.
An extrusion device for extruding a continuous wet blank plate compounded with reinforcing wires comprises an extruder with an extruder head, a wire feeding device and a control device, wherein the extruder is capable of extruding from a neck mold at the tail end of the extruder head to form the continuous wet blank plate; the wire feeding device can synchronize the wire feeding speed of the reinforcing wire with the traveling speed of the continuous wet blank plate formed by extrusion, and the wire feeding device can enable the traveling direction of the reinforcing wire to be the same as that of the continuous wet blank plate at the position of a die for compositely extruding the reinforcing wire and the continuous wet blank plate.
When the extrusion equipment is adopted, an extruder of the extrusion equipment has the most basic extrusion molding function, and the extruder can continuously extrude pug from a neck ring die at the tail end of the head of the extruder to form a continuous wet blank plate; thanks to the design of the wire feeding device, when the pug is extruded from the mouth mold to form the continuous wet blank plate, the wire feeding device is adopted to continuously convey the reinforcing wires to penetrate into the head of the extruder to move towards the mouth mold, so that the reinforcing wires and the pug are jointly extruded from the mouth mold, and the reinforcing wires are compounded on the continuous wet blank plate extruded from the mouth mold to form the continuous wet blank plate compounded with the reinforcing wires; due to the design that the wire feeding speed of the reinforcing wires and the traveling speed of the continuous wet blank plate formed by extrusion can be synchronized through the wire feeding device, the reinforcing wires and the continuous wet blank plate can be effectively and reliably compounded, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wires is ensured and improved; due to the fact that the wire feeding device can enable the reinforcing wires and the continuous wet blank plate to have the same traveling direction in the position of the die for compositely extruding the reinforcing wires and the continuous wet blank plate, the reinforcing wires are distributed along the length direction of the continuous wet blank plate formed by extrusion, and extrusion forming quality of the continuous wet blank plate composited with the reinforcing wires can be guaranteed and improved. That is, the extrusion apparatus of the present invention can extrude and form a continuous wet mat combined with reinforcing fibers. Then cutting the continuous wet blank plate compounded with the reinforcing wires to form an ECP blank plate compounded with the reinforcing wires (namely an intermittent wet blank plate compounded with the reinforcing wires), and curing, machining and other procedures are carried out on the ECP blank plate to form an ECP finished product plate compounded with the reinforcing wires; because the ECP finished board is compounded with the reinforcing wires, the performances of tensile strength, bending strength and the like of the ECP finished board are obviously improved, and the ECP finished board compounded with the reinforcing wires can keep integrity after being broken by strong impact, so that the safety problem that the ECP finished board is directly broken and falls is avoided; the application range, the service life and the safety of the ECP finished plate are improved.
Furthermore, the wire feeding device comprises an unwinding mechanism and a wire feeding mechanism, wherein the unwinding mechanism is used for mounting a reinforcing wire coil and can unwind the reinforcing wire to the wire feeding mechanism, and the wire feeding mechanism can convey the reinforcing wire unwound by the unwinding mechanism to penetrate into a die running in parallel in the head of the extruder; the wire feeding mechanism can synchronize the wire feeding speed of the reinforcing wires with the traveling speed of the continuous wet blank plate formed by extrusion, and the wire feeding mechanism can enable the traveling directions of the reinforcing wires and the continuous wet blank plate to be the same at the position of a die for compositely extruding the reinforcing wires and the continuous wet blank plate. When the reinforcing wire roll is arranged on the unwinding mechanism, the reinforcing wire can be continuously unwound to the wire feeding mechanism through the unwinding mechanism, and then the wire feeding mechanism conveys the reinforcing wire to penetrate into the die in the extruder head in parallel, so that unwinding and wire feeding actions of the reinforcing wire are realized.
Furthermore, the unwinding mechanism comprises an unwinding rotating shaft and an unwinding motor, wherein the unwinding rotating shaft can be used for mounting a plurality of reinforcing wire coils in series, and the unwinding motor is connected with the unwinding rotating shaft and is used for driving the unwinding rotating shaft to rotate for unwinding. When the unreeling motor drives the unreeling rotating shaft to rotate around the axis of the unreeling motor, the unreeling rotating shaft can enable the reinforcing wire to be unreeled in the reinforcing wire coil, and unreeling action of the reinforcing wire is achieved. When the unwinding rotating shaft is provided with the plurality of reinforcing wire rolls in series, the plurality of reinforcing wire rolls are arranged on the unwinding rotating shaft in series, and the unwinding rotating shaft is driven by the unwinding motor, so that the plurality of reinforcing wire rolls can be synchronously unwound.
Furthermore, the unwinding mechanism further comprises a tension wheel, wherein the tension wheel is arranged between the unwinding rotating shaft and the wire feeding mechanism and used for tensioning the reinforcing wire unwound from the unwinding rotating shaft. Thanks to the design of the tension wheel, the reinforcing wire unwound by the unwinding rotating shaft is in a tension state, and the unwinding action of the unwinding mechanism and the wire feeding action of the wire feeding mechanism are facilitated. Specifically, unreel the pivot and can install a plurality of and roll up the reinforcing wire and roll up, the take-up pulley also has a plurality of that corresponds.
Furthermore, a tension sensor for detecting tension of the reinforcing wire is arranged on the tension wheel, and the tension sensor is electrically connected with the unwinding motor and used for feedback control of the unwinding speed of the unwinding mechanism. The tension of the reinforcing wire (or the torque applied to the tension wheel by the reinforcing wire) which can be detected by the tension sensor, and then the unwinding speed of the unwinding mechanism is subjected to feedback control, so that the unwinding mechanism is unwound by relatively constant tension (torque), the situation that the reinforcing wire is too loose or too tight is avoided, and meanwhile, the unwinding speed of the unwinding mechanism and the wire feeding speed of the wire feeding mechanism can be synchronized.
Furthermore, the wire feeding mechanism comprises a plurality of rows of matched wire feeding wheels and a wire feeding motor for driving the wire feeding wheels to rotate for feeding wires, and each row of matched wire feeding wheels comprises 1 pair or more pairs of wire feeding wheels. Under the driving action of the wire feeding motor, the wire feeding wheels matched with each other can realize the wire feeding action of the reinforced wires. Each row of matched wire feeding wheels can convey a reinforcing wire which is unreeled by the unreeling mechanism. Each row of matched wire feeding wheels only comprise 1 pair of wire feeding wheels, so that the wire feeding action of the reinforced wires can be realized; when each row of matched wire feeding wheels comprises a plurality of pairs of wire feeding wheels, the wire feeding action of the reinforcing wires is carried out by the plurality of pairs of wire feeding wheels of each row, so that the stability and the reliability of the wire feeding action of the reinforcing wires can be improved.
Furthermore, each pair of wire feeding wheels comprises a driving wheel and a pressing wheel which are matched, and the wire feeding motor is connected with all the driving wheels to drive the driving wheels to synchronously rotate for feeding wires. All the driving wheels are driven by the same wire feeding motor, so that wire feeding actions of the wire feeding wheels matched in each row can be synchronously realized, the driving wheels are driven by the wire feeding motor to rotate to serve as power of the wire feeding actions, and the design of the pressing wheel can enable the pressing wheel and the driving wheels to press conveying reinforcing wires, so that the stability and the reliability of the wire feeding actions are improved.
Further, the wire feeding mechanism also comprises a wire feeding guide pipe arranged at the wire outlet end position of each row of matched wire feeding wheels, and the wire feeding guide pipe penetrates into the extruder head and extends to the position of a neck mold; the wire outlet section of the wire feeding guide pipe is parallel to the axis of the neck ring mold, so that the reinforcing wire and the continuous wet blank plate are in the same walking direction at the position of the neck ring mold where the reinforcing wire and the continuous wet blank plate are compositely extruded. Specifically, the wire inlet of the wire feeding guide pipe is right opposite to the wire outlet end of the wire feeding wheel matched with the wire feeding guide pipe in the corresponding row, and the wire outlet of the wire feeding guide pipe extends to the position of the neck mold. The wire feeding guide pipe is designed to guide the wire feeding of the reinforcing wire, so that the reinforcing wire can walk in the specified direction, and the reinforcing wire penetrates into the die position in the extruder head in parallel. Due to the design that the axes of the wire outlet section of the wire feeding guide pipe and the mouth mold are parallel to each other, the walking directions of the reinforcing wires and the continuous wet blank plate are the same at the position of the mouth mold where the reinforcing wires and the continuous wet blank plate are compounded and extruded, so that the reinforcing wires are distributed along the length direction of the continuous wet blank plate in the continuous wet blank plate compounded with the reinforcing wires formed by extrusion, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wires is ensured and improved.
Preferably, the wire feeding guide pipe comprises a linear wire feeding section and a linear wire discharging section, and the wire feeding section and the wire discharging section are connected through an arc-shaped guide section to form the wire feeding guide pipe. The guide wire feeding of the reinforcing wires is facilitated, and the reinforcing wires can penetrate into the head of the extruder conveniently and move to the position of the neck mold in parallel. The wire feeding section (the tail end of the wire feeding section is a wire feeding port) of the wire feeding guide pipe is just opposite to the wire outlet end position of the wire feeding wheel which is matched with the wire feeding section; and a wire outlet section (the tail end of the wire outlet section is a wire outlet) of the wire feeding guide pipe extends to the position of the neck mold, and the wire outlet section of the wire feeding guide pipe is parallel to the axis of the neck mold.
Furthermore, the wire feeding mechanism further comprises a speed sensor for detecting the traveling speed of the continuous wet blank plate extruded from the neck mold, and the speed sensor is electrically connected with the wire feeding motor and used for feedback control of the wire feeding speed of the wire feeding mechanism so as to realize synchronization of the wire feeding speed of the reinforcing wires and the traveling speed of the continuous wet blank plate formed by extrusion. The walking speed of the continuous wet blank plate which can be detected by the speed measuring sensor and the wire feeding speed of the wire feeding mechanism are further feedback-controlled, so that the wire feeding speed of the reinforcing wire is synchronous with the extrusion speed of the continuous wet blank plate, the reinforcing wire and the continuous wet blank plate can be effectively and reliably compounded, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wire is ensured and improved.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention relates to an extrusion method and extrusion equipment for extruding a continuous wet blank plate compounded with reinforcing wires, which can continuously convey the reinforcing wires to penetrate into a head of an extruder to run to a neck mold while extruding the tail end of the head of a pug extruder from the neck mold to form the continuous wet blank plate, so that the reinforcing wires and pug are extruded from the neck mold together, and the reinforcing wires are compounded on the continuous wet blank plate extruded from the neck mold to form the continuous wet blank plate compounded with the reinforcing wires; meanwhile, due to the fact that the wire feeding speed of the reinforcing wires is synchronous with the traveling speed of the continuous wet blank plate formed by extrusion, and the design that the traveling directions of the reinforcing wires and the continuous wet blank plate are the same at the position of a die for compositely extruding the reinforcing wires and the continuous wet blank plate, the reinforcing wires and the continuous wet blank plate are effectively and reliably composited, in the continuous wet blank plate composited with the reinforcing wires formed by extrusion, the reinforcing wires are distributed along the length direction of the continuous wet blank plate, and the extrusion molding quality of the continuous wet blank plate composited with the reinforcing wires can be ensured and improved. After the continuous wet blank plate compounded with the reinforcing wires is subjected to the procedures of cutting, curing, machining and the like, an ECP finished plate compounded with the reinforcing wires is formed; because the ECP finished board is compounded with the reinforcing wires, the performances of tensile strength, bending strength and the like of the ECP finished board are obviously improved, and the ECP finished board compounded with the reinforcing wires can keep integrity after being broken by strong impact, so that the safety problem that the ECP finished board is directly broken and falls is avoided; the application range, the service life and the safety of the ECP finished plate are improved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a side view of an extrusion apparatus of the present invention;
FIG. 2 is a side view of the extrusion apparatus of the present invention; wherein, the extruder only shows an extruder head and a die;
FIG. 3 is a front view of the extrusion apparatus of the present invention, wherein the extruder only illustrates the extruder head and die;
FIG. 4 is a front view of the wire feeder of the present invention;
FIG. 5 is a side view of a wire feeder of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
FIG. 7 is a schematic cross-sectional view of an extrusion-formed continuous wet mat incorporating reinforcing filaments using the extrusion apparatus of the present invention.
The labels in the figure are: 1-frame, 21-unreeling motor, 22-unreeling rotating shaft, 23-tensioning wheel, 31-wire feeding motor, 32-wire feeding wheel, 321-driving wheel, 322-pressing wheel, 33-wire feeding guide pipe, 34-wire feeding guide pipe, 341-wire feeding section, 342-guiding section, 343-wire discharging section, 4-extruder, 41-extruder head, 42-die, 5-reinforcing wire roll and 51-reinforcing wire.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example one
As shown in fig. 1 to 6, in the extrusion method of the present embodiment, while the pug is extruded from the die 42 at the end of the extruder head 41 to form the continuous wet billet, the pug is continuously fed into the extruder head 41 and goes in parallel to the reinforcing wire 51 of the die 42, so that the continuous wet billet formed by extrusion is combined with the reinforcing wire; the wire feeding speed of the reinforcing wire is synchronous with the traveling speed of the continuous wet blank plate formed by extrusion, and the traveling direction of the reinforcing wire is the same as that of the continuous wet blank plate at the position of a neck ring die 42 for compositely extruding the reinforcing wire and the continuous wet blank plate.
When the extrusion method is adopted, pug is extruded from the neck ring 42 at the tail end of the extruder head 41 of the extruder (4) to form a continuous wet blank plate, and simultaneously, due to the design that the pug is continuously conveyed (by adopting a wire feeding device) to penetrate into the extruder head 41 and runs to the neck ring 51 of the neck ring 42 in parallel, the continuous wet blank plate formed by extrusion can be compounded with the reinforcing wires to form the continuous wet blank plate compounded with the reinforcing wires; due to the design that the wire feeding speed of the reinforcing wires is synchronous with the traveling speed of the continuous wet blank plate formed by extrusion, the reinforcing wires and the continuous wet blank plate can be effectively and reliably compounded, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wires is ensured and improved; because the reinforcing wire and the continuous wet blank plate run in the same direction at the position of the die 42 for compositely extruding the reinforcing wire and the continuous wet blank plate, the reinforcing wire is distributed along the length direction of the continuous wet blank plate in the continuous wet blank plate compounded with the reinforcing wire formed by extrusion, and the extrusion forming quality of the continuous wet blank plate compounded with the reinforcing wire can be ensured and improved. That is, the extrusion method of the present invention can extrude and form a continuous wet mat combined with reinforcing fibers. When the continuous wet blank plate compounded with the reinforcing wires is cut into an ECP blank plate compounded with the reinforcing wires (namely, an interrupted wet blank plate compounded with the reinforcing wires), the ECP blank plate is subjected to the procedures of curing, machining and the like to form an ECP finished product plate compounded with the reinforcing wires; because the ECP finished board is compounded with the reinforcing wires, the performances of tensile strength, bending strength and the like of the ECP finished board are obviously improved, and the ECP finished board compounded with the reinforcing wires can keep integrity after being broken by strong impact, so that the safety problem that the ECP finished board is directly broken and falls is avoided; the application range, the service life and the safety of the ECP finished plate are improved. The cross section of the continuous wet billet extruded by the extrusion method of the present invention and compounded with the reinforcing filaments is shown in fig. 7.
The extrusion method of example one can be embodied using the extrusion apparatus of example two or example three.
Example two
As shown in fig. 1 to 6, an extrusion apparatus for extruding a continuous wet blank plate compounded with reinforcing wires according to the present embodiment includes an extruder 4 having an extruder head 41, a die 42 at the end of the extruder head 41 being capable of extruding to form a continuous wet blank plate, and a wire feeder through which the reinforcing wires penetrating into the extruder head 41 and running to the die 42 in parallel are fed, so that the continuous wet blank plate formed by extrusion is compounded with the reinforcing wires; the wire feeding device can synchronize the wire feeding speed of the reinforcing wire with the traveling speed of the continuous wet blank plate formed by extrusion, and the wire feeding device can enable the traveling direction of the reinforcing wire to be the same as that of the continuous wet blank plate at the position of a neck mold 4 where the reinforcing wire and the continuous wet blank plate are compositely extruded.
When the extrusion equipment is adopted, the extruder 4 of the extrusion equipment has the most basic extrusion molding function, and the extruder 4 can continuously extrude pug from a neck ring die 42 at the tail end of an extruder head 41 to form a continuous wet blank plate; thanks to the design of the wire feeding device, when the pug is extruded from the mouth mold to form the continuous wet blank plate, the wire feeding device is adopted to continuously convey the reinforcing wires to penetrate into the head of the extruder to move towards the mouth mold, so that the reinforcing wires and the pug are jointly extruded from the mouth mold, and the reinforcing wires are compounded on the continuous wet blank plate extruded from the mouth mold to form the continuous wet blank plate compounded with the reinforcing wires; due to the design that the wire feeding speed of the reinforcing wires and the traveling speed of the continuous wet blank plate formed by extrusion can be synchronized through the wire feeding device, the reinforcing wires and the continuous wet blank plate can be effectively and reliably compounded, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wires is ensured and improved; due to the fact that the wire feeding device can enable the reinforcing wires and the continuous wet blank plate to have the same traveling direction with each other at the position of the neck mold 4 where the reinforcing wires and the continuous wet blank plate are compositely extruded, the reinforcing wires are distributed along the length direction of the continuous wet blank plate formed by extrusion, and the extrusion forming quality of the continuous wet blank plate composited with the reinforcing wires can be guaranteed and improved. That is, the extrusion apparatus of the present invention can extrude and form a continuous wet mat combined with reinforcing fibers. Then cutting the continuous wet blank plate compounded with the reinforcing wires to form an ECP blank plate compounded with the reinforcing wires (namely an intermittent wet blank plate compounded with the reinforcing wires), and curing, machining and other procedures are carried out on the ECP blank plate to form an ECP finished product plate compounded with the reinforcing wires; because the ECP finished board is compounded with the reinforcing wires, the performances of tensile strength, bending strength and the like of the ECP finished board are obviously improved, and the ECP finished board compounded with the reinforcing wires can keep integrity after being broken by strong impact, so that the safety problem that the ECP finished board is directly broken and falls is avoided; the application range, the service life and the safety of the ECP finished plate are improved.
Further, as shown in fig. 2 to fig. 6, the wire feeding device includes an unwinding mechanism and a wire feeding mechanism, the unwinding mechanism is configured to mount a reinforcing wire coil and unreel a reinforcing wire to the wire feeding mechanism, and the wire feeding mechanism is configured to convey the reinforcing wire unreeled by the unwinding mechanism into the extruder head to run to the die 42; the wire feeding mechanism can synchronize the wire feeding speed of the reinforcing wire with the traveling speed of the continuous wet blank plate formed by extrusion, and the wire feeding mechanism can enable the reinforcing wire to travel in the same direction as the continuous wet blank plate at the position of a die 4 where the reinforcing wire and the continuous wet blank plate are compositely extruded. Specifically, the unwinding mechanism and the wire feeding mechanism are assembled on the frame 1 of the wire feeding device, and meanwhile, the wire feeding mechanism may also be located on the extruder head 41. When the reinforcing wire roll is arranged on the unwinding mechanism, the reinforcing wire can be continuously unwound to the wire feeding mechanism through the unwinding mechanism, and then the wire feeding mechanism conveys the reinforcing wire to penetrate into the die in the extruder head in parallel, so that unwinding and wire feeding actions of the reinforcing wire are realized.
Further, as shown in fig. 2 to 5, the unwinding mechanism includes an unwinding rotating shaft 22 capable of serially mounting a plurality of reinforcing wire rolls, and an unwinding motor 21 connected to the unwinding rotating shaft 22 for driving the unwinding rotating shaft 22 to rotate and unwind. When the unreeling motor 21 drives the unreeling rotating shaft 22 to rotate around the axis of the unreeling rotating shaft 22, the unreeling rotating shaft 22 can enable the reinforcing wire to be unreeled on the reinforcing wire coil, and unreeling action of the reinforcing wire is achieved. When the unwinding rotary shaft 22 is provided with the plurality of reinforcing wire rolls in series, the plurality of reinforcing wire rolls are arranged on the unwinding rotary shaft 22 in series, and the unwinding rotary shaft 22 is driven by the unwinding motor 21, so that the plurality of reinforcing wire rolls can be synchronously unwound. Specifically, the two ends of the unwinding rotating shaft 22 are rotatably assembled on the frame 1 through bearings, the unwinding motor 21 is assembled on the frame 1, and the rotating shaft of the unwinding motor 21 is connected with the unwinding rotating shaft 22 to drive the unwinding rotating shaft 22 to rotate around the axis of the rotating shaft.
Further, as shown in fig. 2 to 5, the unwinding mechanism further includes a tension wheel 23, and the tension wheel 23 is disposed between the unwinding rotating shaft 22 and the wire feeding mechanism, and is used for tensioning the reinforcing wire unwound from the unwinding rotating shaft 22. Thanks to the design of the tension wheel 23, the reinforcing wire unwound from the unwinding rotating shaft 22 is in a tensioned state, which is beneficial to the unwinding action of the unwinding mechanism and the wire feeding action of the wire feeding mechanism. Specifically, the unwinding rotating shaft 22 can be provided with a plurality of reinforcing wire coils, and the tensioning wheel 23 is provided with a plurality of corresponding reinforcing wire coils. The tensioning wheel 23 is assembled on the frame, and the tensioning wheel 23 is a tensioning device in the prior art, can realize the tensioning action of the reinforcing wire, and has no technical problem.
Further, a tension sensor for detecting tension of the reinforcing wire is arranged on the tension wheel 23, and the tension sensor is electrically connected with the unwinding motor 21 and used for feedback control of the unwinding speed of the unwinding mechanism. The tension of the reinforcing wire (or the torque applied to the tension wheel 23 by the reinforcing wire) which can be detected by the tension sensor, and then the unwinding speed of the unwinding mechanism is controlled in a feedback manner, so that the unwinding mechanism is unwound by the relatively constant tension (torque), the situation that the reinforcing wire is too loose or too tight is avoided, and meanwhile, the unwinding speed of the unwinding mechanism and the wire feeding speed of the wire feeding mechanism can be synchronized. Specifically, the tension sensor is electrically connected with the unwinding motor 21 through the tension controller, and the tension controller outputs a control signal to the unwinding motor 21 after calculating data detected by the tension sensor, so that the rotation speed of the unwinding motor 21 is controlled, and the unwinding speed of the unwinding mechanism is controlled in a feedback manner.
Further, as shown in fig. 2 to 6, the wire feeding mechanism includes several rows of paired wire feeding wheels 32, and a wire feeding motor 31 for driving the wire feeding wheels 32 to rotate the wire feeding, and each row of paired wire feeding wheels 32 includes 1 or more pairs of wire feeding wheels 32. The wire feeding wheel 32 of the matching pair can realize the wire feeding action of the reinforced wire under the driving action of the wire feeding motor 31. Each row of paired wire feed rollers 32 can feed a reinforcing wire unwound by the unwinding mechanism. Each row of matched wire feeding wheels 32 only comprises 1 pair of wire feeding wheels 32, so that the wire feeding action of the reinforced wires can be realized; when each row of paired wire feeding wheels 32 comprises a plurality of pairs of wire feeding wheels 32, the plurality of pairs of wire feeding wheels 32 in each row perform wire feeding action on the reinforced wires, so that the stability and the reliability of the wire feeding action of the reinforced wires can be improved.
Further, as shown in FIG. 6, each wire feed wheel pair 32 includes a drive wheel 321 and a pinch wheel 322, and the wire feed motor 31 is coupled to all of the drive wheels 321 for synchronously rotating the wire feed. All the driving wheels 321 are driven by the same wire feeding motor 31, so that the wire feeding wheels 32 matched with each row can synchronously realize wire feeding action, the driving wheels 321 are driven by the wire feeding motor 31 to rotate to serve as power for the wire feeding action, and the design of the pressing wheel 322 can enable the pressing wheel 322 and the driving wheels 321 to press conveying reinforcing wires, so that the stability and the reliability of the wire feeding action are improved. Specifically, a plurality of rows of matched driving wheels 321 and pinch rollers 322 are assembled on the rack 1, the wire feeding motor 31 is also assembled on the rack 1, and the wire feeding motor 31 can be connected with each driving wheel 321 through a gear and a transmission shaft, so that all the driving wheels 321 are driven by the same wire feeding motor 31, and the wire feeding wheels 32 matched with each row realize synchronous wire feeding action.
Further, at least one wire feeding wheel 32 of each wire feeding wheel pair 32 is in a groove-shaped wheel shape, and a channel capable of passing through the conveying reinforcing wires is formed between the two wire feeding wheels. That is, in each pair of wire feeding wheels 32, 2 wire feeding wheels 32 may be in a groove-shaped wheel shape; or one of the wire feeding wheels 32 is in a groove wheel shape, and the other wire feeding wheel 32 is in a cylinder wheel shape. A channel capable of passing through the reinforcing wires is formed between the matched wire feeding wheels 32, so that the reinforcing wires can be fed according to a specified track, and the deviation of the reinforcing wires is avoided.
Preferably, as shown in fig. 6, each row of paired wire feeding wheels 32 comprises 2 pairs of wire feeding wheels 32, so that the paired wire feeding wheels 32 in each row form a double-drive synchronous wire feeding structure. Of course, there may be more pairs of wire feeding wheels 32 in each row of paired wire feeding wheels 32, and the paired wire feeding wheels 32 in each row form a multi-drive synchronous wire feeding structure; it is also possible that each row of paired wire feeding wheels 32 only has 1 pair of wire feeding wheels 32, and each row of paired wire feeding wheels 32 forms a single-drive synchronous wire feeding structure.
Further, as shown in fig. 2 to 6, the wire feeder further includes a wire feeding guide tube 34 disposed at the wire outlet end of each row of the paired wire feeding wheels 32, wherein the wire feeding guide tube 34 penetrates into the extruder head 41 and extends to the position of the die 42; the wire outlet section 343 of the wire feeding conduit 34 and the axis of the die 42 are parallel to each other, so that at the position of the die 4 where the reinforcing wire and the continuous wet blank plate are compositely extruded, the traveling direction of the reinforcing wire and the continuous wet blank plate is the same. Specifically, the wire inlet of the wire feeding guide tube 34 is opposite to the wire outlet of the wire feeding wheel 32 corresponding to the row, and the wire outlet of the wire feeding guide tube 34 extends to the position of the die 42. The wire feeding guide tube 34 is designed to guide the feeding of the reinforcing wire, so that the reinforcing wire can travel in a specified direction, and the reinforcing wire penetrates into the extruder head 41 and moves to the position of the neck mold 42 in parallel. It is evident that the extruder head 41 now opens a hole for the wire feed conduit 34 to pass through, and the wire feed conduit 34 passes through, and the wire feed conduit 34 is sealingly connected to the hole. Due to the design that the axes of the wire outlet section 343 of the wire feeding guide pipe 34 and the die 42 are parallel to each other, the traveling direction of the reinforcing wires and the continuous wet blank plate is the same at the position of the die 42 where the reinforcing wires and the continuous wet blank plate are compositely extruded, so that the reinforcing wires are distributed along the length direction of the continuous wet blank plate in the continuous wet blank plate compounded with the reinforcing wires formed by extrusion, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wires is ensured and improved.
Preferably, as shown in fig. 2, the wire feeding conduit 34 includes a linear wire feeding section 341 and a linear wire discharging section 343, and the wire feeding section 341 and the wire discharging section 343 are connected by an arc-shaped guiding section 342 to form the wire feeding conduit 34. The guiding wire feeding of the reinforcing wires is facilitated, and the reinforcing wires can penetrate into the extruder head 41 and move to the position of the die 42 in parallel. The wire feeding section 341 of the wire feeding conduit 34 (the end of the wire feeding section 341 is a wire feeding port) is just opposite to the wire outlet end position of the wire feeding wheel 32 corresponding to the wire feeding section; the wire exit segment 343 of the wire feed conduit 34 (the wire exit segment 343 terminates with a wire exit) extends to the location of the die 42, and the wire exit segment 343 of the wire feed conduit 34 and the axis of the die 42 are parallel to each other.
Further, as shown in fig. 6, the wire feeding mechanism further includes a wire feeding guide 33 disposed at a wire feeding end of each row of the paired wire feeding wheels 32, for guiding the reinforcing wire unreeled from the unreeling mechanism. The wire feeding conduit 33 is opposite to the wire feeding end of the wire feeding wheel 32 matched with the corresponding row; the guiding action of the wire feeding guide tube 33 facilitates the wire feeding action of the reinforcing wire into the corresponding row of the matched wire feeding wheel 32. Each row of paired wire feeding wheels 32 has a wire inlet end and a wire outlet end; the feed end of each row of mating feed rolls 32 is the end of the bar entering the row of mating feed rolls 32 and the exit end of each row of mating feed rolls 32 is the end of the bar exiting the row of mating feed rolls 32, without the understanding problem.
Further, the wire feeding mechanism further comprises a speed sensor for detecting the traveling speed of the continuous wet blank plate extruded from the die 42, and the speed sensor is electrically connected to the wire feeding motor 31 for feedback control of the wire feeding speed of the wire feeding mechanism, so as to synchronize the wire feeding speed of the reinforcing wire with the traveling speed of the continuous wet blank plate extruded. The walking speed of the continuous wet blank plate which can be detected by the speed measuring sensor and the wire feeding speed of the wire feeding mechanism are further feedback-controlled, so that the wire feeding speed of the reinforcing wire is synchronous with the extrusion speed of the continuous wet blank plate, the reinforcing wire and the continuous wet blank plate can be effectively and reliably compounded, and the extrusion molding quality of the continuous wet blank plate compounded with the reinforcing wire is ensured and improved. Specifically, the tachometer sensor is electrically connected with the wire feeding motor 31 through the motor controller, the motor controller calculates data detected by the tachometer sensor and outputs a control signal to the wire feeding motor 31, and the rotating speed of the wire feeding motor 31 controls the wire feeding speed of the wire feeding mechanism in a feedback manner. The speed sensor may be provided at the end position of the extruder head 41, or may be provided at a downstream position of the extruder 4 on a conveying device for conveying the continuous wet slab, such as an upstream end position of a guide roller table of an extrusion cutting system (patent No. CN201921581168.0) for extruding and cutting the continuous wet slab.
When the tension sensor is combined with the speed sensor (not shown, but not affecting the understanding of those skilled in the art), the traveling speed of the continuous wet blank plate, the wire feeding speed of the wire feeding mechanism and the unwinding speed of the unwinding mechanism can be synchronized based on the traveling speed of the continuous wet blank plate, so that the continuous wet blank plate compounded with the reinforcing wires can be stably and reliably produced, and the quality of the ECP finished plate is improved.
EXAMPLE III
Based on the combination design of the technical features of the second embodiment, this embodiment more specifically exemplifies an extrusion device, whose wire feeding device can simultaneously and synchronously feed 5 reinforcing wires 51 penetrating into the extruder head 41 and running to the die 42 in parallel, preferably, the reinforcing wire roll 5 is a steel wire roll, and the reinforcing wires 51 are steel wires. Specifically, as shown in fig. 1 to 6, the unwinding spindle 22 can mount 5 reinforcing wire coils 5, there are 5 tension wheels 23, 5 wire feeding guide tubes 33, 5 rows of paired wire feeding wheels 32, each row of paired wire feeding wheels 32 includes 2 pairs of wire feeding wheels 32, and there are 5 wire feeding guide tubes 34; the wire feeding section 341 of the wire feeding guide 34 is just opposite to the wire outlet end of the wire feeding wheel 32 corresponding to the row; the wire feeding conduit 34 penetrates into the extruder head 41, the wire outlet section 343 of the wire feeding conduit 34 extends to the position of the die 42, and the wire outlet section 343 of the wire feeding conduit 34 and the axis of the die 42 are parallel to each other; the wire outlet sections 343 of the 5 wire feeding conduits 34 may be arranged in one or more rows according to requirements; when there are multiple rows, the number of wire feed conduits 34 in each row may or may not be equal. In one embodiment, the filament exit segments 343 of 5 wire conduits 34 are arranged in 2 rows, the upper row having the filament exit segments 343 of 3 wire conduits 34, and the lower row having the filament exit segments 343 of 2 wire conduits 34, as shown in FIG. 3; the cross section of the continuous wet billet compounded with the reinforcing filaments extruded by the extrusion apparatus is shown in FIG. 7.
In summary, with the extrusion method and the extrusion equipment for the continuous wet blank plate compounded with the reinforcing wires, the reinforcing wires can be continuously conveyed and penetrated into the extruder head of the pug extruder to run to the die mold in parallel while the continuous wet blank plate is extruded from the die mold at the tail end of the extruder head of the pug extruder to form the continuous wet blank plate, so that the reinforcing wires and the pug are extruded from the die mold together, and the reinforcing wires are compounded on the continuous wet blank plate extruded from the die mold to form the continuous wet blank plate compounded with the reinforcing wires; meanwhile, due to the fact that the wire feeding speed of the reinforcing wires is synchronous with the traveling speed of the continuous wet blank plate formed by extrusion, and the design that the traveling directions of the reinforcing wires and the continuous wet blank plate are the same at the position of a die for compositely extruding the reinforcing wires and the continuous wet blank plate, the reinforcing wires and the continuous wet blank plate are effectively and reliably composited, in the continuous wet blank plate composited with the reinforcing wires formed by extrusion, the reinforcing wires are distributed along the length direction of the continuous wet blank plate, and the extrusion molding quality of the continuous wet blank plate composited with the reinforcing wires can be ensured and improved. After the continuous wet blank plate compounded with the reinforcing wires is subjected to the procedures of cutting, curing, machining and the like, an ECP finished plate compounded with the reinforcing wires is formed; because the ECP finished board is compounded with the reinforcing wires, the performances of tensile strength, bending strength and the like of the ECP finished board are obviously improved, and the ECP finished board compounded with the reinforcing wires can keep integrity after being broken by strong impact, so that the safety problem that the ECP finished board is directly broken and falls is avoided; the application range, the service life and the safety of the ECP finished plate are improved.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A method of extruding a continuous wet blank compounded with reinforcing filaments, the method comprising: continuously conveying reinforcing wires (51) which penetrate into the head (41) of the extruder and run to the die (42) in parallel while pug is extruded from the die (42) at the tail end of the head (41) of the extruder to form a continuous wet blank plate, so that the continuous wet blank plate formed by extrusion is compounded with the reinforcing wires; the wire feeding speed of the reinforcing wire is synchronous with the traveling speed of the continuous wet blank plate formed by extrusion, and the traveling direction of the reinforcing wire is the same as that of the continuous wet blank plate at the position of a die (42) for compositely extruding the reinforcing wire and the continuous wet blank plate.
2. An extrusion apparatus for extruding a continuous wet mat compounded with reinforcing filaments, comprising an extruder (4) having an extruder head (41), and extruding from a die (42) at the end of said extruder head (41) to form a continuous wet mat, characterized in that: the wire feeding device can convey reinforcing wires which penetrate into a machine head (41) of the extruder and run to a die (42) in parallel, so that the reinforcing wires are compounded on the continuous wet blank plate formed by extrusion; the wire feeding device can synchronize the wire feeding speed of the reinforcing wire with the traveling speed of the continuous wet blank plate formed by extrusion, and the wire feeding device can enable the reinforcing wire to travel in the same direction as the continuous wet blank plate at the position of a die (4) where the reinforcing wire and the continuous wet blank plate are compositely extruded.
3. The extrusion apparatus of claim 2, wherein: the wire feeding device comprises an unreeling mechanism and a wire feeding mechanism, wherein the unreeling mechanism is used for installing a reinforced wire coil and unreeling a reinforced wire to the wire feeding mechanism, and the wire feeding mechanism can convey the reinforced wire unreeled by the unreeling mechanism to penetrate into a parallel trend port mould (42) in the head of the extruder; the wire feeding mechanism can synchronize the wire feeding speed of the reinforcing wire with the traveling speed of the continuous wet blank plate formed by extrusion, and the wire feeding mechanism can enable the reinforcing wire to travel in the same direction as the continuous wet blank plate at the position of a die (4) where the reinforcing wire and the continuous wet blank plate are compositely extruded.
4. The extrusion apparatus of claim 3, wherein: the unwinding mechanism comprises an unwinding rotating shaft (22) which can be used for mounting a plurality of reinforcing wire coils in series, and an unwinding motor (21) which is connected with the unwinding rotating shaft (22) and is used for driving the unwinding rotating shaft (22) to rotate and unwind.
5. The extrusion apparatus of claim 4, wherein: the unwinding mechanism further comprises a tension wheel (23), and the tension wheel (23) is arranged between the unwinding rotating shaft (22) and the wire feeding mechanism and used for tensioning the reinforcing wire unwound from the unwinding rotating shaft (22).
6. The extrusion apparatus of claim 4, wherein: the tension wheel (23) is provided with a tension sensor for detecting tension of the reinforcing wire, and the tension sensor is electrically connected with the unwinding motor (21) and used for feedback control of the unwinding speed of the unwinding mechanism.
7. The extrusion apparatus of claim 3, wherein: the wire feeding mechanism comprises a plurality of rows of matched wire feeding wheels (32) and a wire feeding motor (31) for driving the wire feeding wheels (32) to rotate for feeding wires, and each row of matched wire feeding wheels (32) comprises 1 pair or a plurality of pairs of wire feeding wheels (32).
8. The extrusion apparatus of claim 7, wherein: each pair of wire feeding wheels (32) comprises a driving wheel (321) and a pressing wheel (322) which are matched, and the wire feeding motor (31) is connected with all the driving wheels (321) to drive the driving wheels to synchronously rotate for feeding wires.
9. The extrusion apparatus of claim 7, wherein: the wire feeding mechanism also comprises a wire feeding guide pipe (34) arranged at the wire outlet end position of each row of matched wire feeding wheels (32), and the wire feeding guide pipe (34) penetrates into the extruder head (41) and extends to the position of a die (42); the wire outlet section (343) of the wire feeding guide pipe (34) and the axis of the die (42) are parallel to each other, so that the reinforcing wire and the continuous wet blank plate travel in the same direction at the position of the die (4) where the reinforcing wire and the continuous wet blank plate are compositely extruded.
10. The extrusion apparatus of claim 7, wherein: the wire feeding mechanism further comprises a speed measuring sensor for detecting the traveling speed of the continuous wet blank plate extruded from the neck mold (42), and the speed measuring sensor is electrically connected with the wire feeding motor (31) and used for controlling the wire feeding speed of the wire feeding mechanism in a feedback mode so as to achieve synchronization of the wire feeding speed of the reinforcing wires and the traveling speed of the continuous wet blank plate formed by extrusion.
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| CN202110120483.9A CN113043430A (en) | 2021-01-28 | 2021-01-28 | Extrusion method and extrusion equipment for extruding continuous wet blank plate compounded with reinforcing wires |
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| CN202110120483.9A CN113043430A (en) | 2021-01-28 | 2021-01-28 | Extrusion method and extrusion equipment for extruding continuous wet blank plate compounded with reinforcing wires |
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