CN217495108U

CN217495108U - Extrusion head tool for aluminum alloy-imitated double-color co-extrusion decoration strip

Info

Publication number: CN217495108U
Application number: CN202220227902.9U
Authority: CN
Inventors: 叶国杰
Original assignee: Anhui Shiheng New Material Technology Co ltd
Current assignee: Anhui Shiheng New Material Technology Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-09-27
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses an extrusion head tool for an imitation aluminum alloy double-color co-extrusion decoration strip, which comprises a decoration strip, a section mould, a machine head and a machine body, wherein the section mould comprises an outer section mould and an inner section mould, a discharge port is arranged in the middle of the outer section mould, a conical covering cavity is arranged at one end of the outer section mould, a preformed hole is arranged in the middle of the inner section mould, a circle of cooling groove is arranged at the periphery of the preformed hole, the machine head comprises a core material channel and a covering channel which run through the machine head, an annular valve is arranged at the left end of the covering channel, a cooling ring plate is arranged on a machine head body between the covering channel and the core material channel, a cooling circulation pipeline is arranged in the cooling ring plate, the decoration strip is divided into an inner layer and an outer layer, the extrusion head tool has the characteristics of reasonable design, convenient operation, high production efficiency, good processing effect and the like on the whole, and can complete the production process of plastic decoration strips with various appearances, has high practicability and popularization significance.

Description

Extrusion head tool for aluminum alloy-imitated double-color co-extrusion decoration strip

Technical Field

The utility model relates to a material contour machining technical field specifically is a first frock of extruding of imitative double-colored ornamental strip altogether of aluminum alloy.

Background

An extruding machine is an important plastic machine, and extrusion molding is also called extrusion, is a plastic forming process, is one of important methods for forming thermoplastic plastics, and can be used for producing and manufacturing most plastic building material products by means of extrusion molding which is mostly used for the thermoplastic plastics. The molten and plasticized plastic is extruded from a die gap of a die at the head of an extruder to form a section similar to the shape of a die orifice, and the section is widely used for producing plates, pipes, rods, wires, profiled bars and the like.

Various decorative strips are frequently required to be used in occasions such as home wall decoration, urban landscape arrangement and the like, the plastic decorative strip occupies a large market share in the whole decorative strip market by the advantages of low cost, firmness, durability, convenience in installation and the like, new requirements on the texture, lines and the like of the decorative strip are provided along with the gradual improvement of the material demand of people, wherein the aluminum alloy material is favored by a lot of people by virtue of the simple and elegant appearance of the aluminum alloy material, so that the problem that how the plastic decorative strip presents the appearance of the aluminum alloy material becomes a problem to be solved urgently is solved, methods of painting, pasting films or directly adding pearl powder and metal powder into raw materials and the like on the outer side of the plastic decorative strip are commonly adopted on the market to obtain the plastic decorative strip with the aluminum alloy texture, the methods cause obvious cost fluctuation to a certain degree, and meanwhile, the pasting films and the like, Surface treatment methods such as painting are also prone to the problem of coating peeling, thereby affecting the service life and aesthetics of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides an imitative first frock of extruding of aluminium alloy double-colored crowded ornamental strip altogether to solve above defect.

In order to achieve the above object, the present invention provides the following technical solutions:

an extrusion head tool for an aluminum alloy imitated double-color co-extrusion decoration strip comprises a decoration strip, a section die, a machine head, a machine body, a transmission system and a cooling system, wherein the section die comprises an outer section die and an inner section die, a discharge hole is formed in the middle of the outer section die, a conical covering cavity communicated with the discharge hole is formed in one end of the outer section die, the inner section die is arranged in the covering cavity, a gap exists between the inner section die and the covering cavity, a pre-forming hole penetrating through the inner section die is formed in the middle of the inner section die, a circle of annular cooling groove is formed in the periphery of the pre-forming hole, the machine head comprises a core material channel and a coating channel penetrating through the machine head, an annular valve is arranged at the left end of the coating channel, a cooling ring plate is arranged on a machine head body between the coating channel and the core material channel, the cooling ring plate can be assembled in the cooling groove formed in the inner section die, a cooling circulation pipeline is arranged in the cooling ring plate, the cooling circulation pipeline connects to cooling system, the right-hand member of core material passageway and coating passageway is linked together with core feed cylinder and coating feed cylinder respectively, be provided with core hopper and coating hopper on core feed cylinder and the coating feed cylinder respectively, transmission system sets up on the right-hand of core feed cylinder and coating feed cylinder, the ornamental strip divide into inside and outside two-layer.

Preferably, the preformed hole and the discharge hole are the same in shape but different in size, and the size of the preformed hole is smaller than that of the discharge hole.

Preferably, the front end of the machine head is provided with a section mould mounting seat, the outer side wall of the outer section mould and the inner side wall of the section mould mounting seat are both provided with threads, and the outer section mould is fixed on the section mould mounting seat.

Preferably, the cladding channel is communicated with a gap between the outer die and the inner die, the core material channel is communicated with a preforming hole arranged on the inner die, and spigot labyrinth structures are arranged at the communication positions of the cladding channel and the gap between the dies and between the core material channel and the preforming hole.

Preferably, the coating channel comprises a straight pipe portion arranged at the right end and a coating material ring arranged at the left end, the straight pipe portion is communicated with the coating material barrel, the coating material ring is communicated with the straight pipe portion and gradually transited into an annular pipeline from a single pipeline, a rotary stirring ring is arranged on the outer side of the coating material ring, and the rotary stirring ring replaces part of the outer side wall of the coating material ring.

Preferably, the outer sides of the pipelines of the cladding channel and the core material channel are both provided with electromagnetic heating coils.

Preferably, the inner layer of the decorative strip is an inner core, the inner core is formed by extrusion molding of pure plastic raw material components, the outer layer of the decorative strip is a coating, and the coating is formed by extrusion molding of pure plastic raw material components added with pearl powder and metal powder.

The beneficial effects of the utility model reside in that:

the utility model relates to an extrusion head tool for an aluminum alloy imitating double-color co-extrusion decoration strip, which achieves the purpose of coating process of the decoration strip by designing an inner section mould and an outer section mould in the extrusion head tool, can effectively change the overall appearance and the texture of the plastic decoration strip, meets the use requirements of various crowds, greatly improves the reliability of the product quality by using a double-layer decoration strip which is extruded and molded by the same or similar materials on the surface, reduces the occurrence frequency of the problems of coating damage and falling off, greatly reduces the investment of flowing capital compared with the plastic decoration strip which is manufactured by completely using mixed materials, can ensure that the feeding of the coating presents a uniformly distributed state in the coating channel by arranging a rotary stirring ring outside the coating channel, ensures that the coating in a finished product is uniform and the quality is stable, arranges an electromagnetic heating coil outside the coating channel and a core material channel, can prevent the plastic from being cooled and solidified in the machine head, the cooling groove is designed in the inner section die, so that plastics can be pre-cooled, the integrity of the inner core is ensured, the phenomenon that the inner core is irregular in shape or disordered in distribution in a finished product is prevented, the extrusion head tool has the characteristics of reasonable design, convenience and rapidness in operation, high production efficiency, good processing effect and the like on the whole, the production process of plastic decoration strips with various appearances can be completed, and the plastic decoration strip has high practicability and popularization significance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1: the utility model discloses an extrusion head tool structure schematic diagram;

FIG. 2: the structure of the machine head of the utility model is schematic;

FIG. 3: the structure schematic diagram of the decoration strip of the utility model;

description of reference numerals:

1. forming a mould; 11. an outer mould; 111. a discharge port; 112. a covering cavity; 113. a thread; 12. An inner mould; 121. pre-forming holes; 122. a cooling tank; 2. a machine head; 21. a core material passage; 22. a cladding channel; 221. a coating material ring; 222. rotating the stirring ring; 23. a section mould mounting seat; 24. an annular valve; 25. an electromagnetic heating coil; 3. a body; 4. a coating cartridge; 41. a coating hopper; 5. a core barrel; 51. a core hopper; 6. a transmission system; 7. a cooling system; 81. Coating; 82. an inner core.

Detailed Description

The following description of the embodiments of the present invention is made with reference to the accompanying drawings 1-3:

as shown in fig. 1-3, an extrusion head tool for an aluminum alloy imitated double-color co-extrusion decoration strip comprises a decoration strip, a mold 1, a machine head 2, a machine body 3, a transmission system 6 and a cooling system 7, wherein the mold 1 comprises an outer mold 11 and an inner mold 12, a discharge hole 111 is arranged in the middle of the outer mold 11, one end of the outer mold 11 is provided with a conical coating cavity 112 communicated with the discharge hole 111, the inner mold 12 is arranged in the coating cavity 112, a gap is formed between the inner mold 12 and the coating cavity 122, a preforming hole 121 penetrating through the inner mold 12 is arranged in the middle of the inner mold 12, the preforming hole 121 and the discharge hole 111 have the same shape but different sizes, the size of the preforming hole 121 is smaller than that of the discharge hole 111, the preforming hole 121 mainly completes the shaping and extrusion process of an inner core of the decoration strip, and a coating process is required after the inner core is extruded, so that the size of the discharge hole 111 is larger than that of the preforming hole 121, thereby facilitating the coating process, the periphery of the preformed hole 121 is provided with a ring-shaped cooling groove 122,

the head 2 comprises a core material passage 21 and a cladding passage 22 which penetrate through the head 2, the left end of the cladding passage 22 is provided with an annular valve 24, a cooling ring plate 72 is arranged on a head 2 body between the cladding passage 22 and the core material passage 21, the cooling ring plate 72 can be assembled in a cooling groove 122 arranged on an inner mould 12, a cooling circulation pipeline 71 is arranged in the cooling ring plate 72, the cooling circulation pipeline 71 is connected to the cooling system 7, when the cooling system 7 starts to work, the inner core in a preformed hole 121 can be fed for pre-cooling without completely cooling, the temperature of the fed inner core only needs to be properly reduced so as to improve the viscosity of the fed material, the smooth execution of the pre-forming process is ensured, the phenomena of irregular shape, uneven distribution and the like of the inner core 82 in a final finished product are prevented, a mould mounting seat 23 is arranged at the front end of the head 2, threads 113 are arranged on the outer side wall of the outer mould 11 and the inner side wall of the mould mounting seat 23, the outer mould 11 is fixed on the mould mounting seat 23, threads can be arranged on the cooling groove 122 and the cooling ring plate 72, so that the fixing process of the inner mould 12 and the machine head 2 is completed, the cladding channel 22 is communicated with a gap between the outer mould 11 and the inner mould 12, the core material channel 21 is communicated with a preformed hole 121 arranged on the inner mould 12, and the communicating parts between the cladding channel 22 and the mould gap and between the core material channel 21 and the preformed hole 121 are provided with spigot labyrinth structures, so that the interface has better sealing performance.

The right ends of the core material channel 21 and the cladding material channel 22 are respectively communicated with the core material cylinder 5 and the cladding material cylinder 4, the core material cylinder 5 and the cladding material cylinder 4 are respectively provided with a core hopper 51 and a cladding hopper 41, the transmission system 6 is arranged at the right side of the core material cylinder 5 and the cladding material cylinder 5, two different material cylinders and the transmission system 6 can be simply replaced by adopting the prior art, the cladding material channel 22 comprises a straight pipe part arranged at the right end and a cladding material ring 221 arranged at the left end, the straight pipe part is communicated with the cladding material cylinder 4, the cladding material ring 221 is communicated with the straight pipe part and gradually transited into an annular pipeline from a single pipeline, the outer side of the cladding material ring 221 is provided with a rotary stirring ring 222, the rotary stirring ring 222 replaces part of the outer side wall of the cladding material ring 221, the annular pipeline can ensure that cladding material can be completely and circumferentially distributed outside the inner core 82, and the rotary stirring ring 222 can uniformly distribute the cladding material fed from the straight pipe part to all corners in the cladding material ring 221, prevent the problem of uneven coating of the final product

The decorative strip is divided into an inner layer and an outer layer, the inner layer of the decorative strip is an inner core 82, the inner core 82 is formed by extrusion molding of pure plastic raw material components, the outer layer of the decorative strip is a coating 81, the coating 81 is formed by mixing and extrusion molding of pure plastic raw material components, pearl essence and metal powder are added, the higher the proportion of the raw materials occupied by the pearl essence and the metal powder is, the thicker the metal texture of the decorative strip is, and in the specific implementation, other components can be added, so that various textures except for an aluminum alloy imitation material can be obtained.

The utility model relates to an imitative aluminium alloy double-colored crowded ornamental strip extrude first frock altogether, in the in-service use process of extruding first frock, at first place the plastics raw and other materials that mix has pearl powder and metal powder in cladding hopper 41, place pure plastics raw and other materials in core hopper 51, two kinds of feeding can enter into cladding feed cylinder 4 and core feed cylinder 5 naturally from the hopper, push into cladding passageway 22 and core material passageway 21 respectively after the stirring of heating melting, annular valve 24 in cladding passageway 22 is in the encapsulated situation at this moment, the feeding in cladding passageway 22 can be in the effect of rotatory stirring ring 222 equipartition and be full of cladding material ring 221, the feeding in core material passageway 21 then directly enters into preforming hole 121 after passing through core material passageway 21, carry out the preliminary cooling preforming technology, when the pressure reaches certain degree in cladding passageway 22, annular valve 24 is opened, the cladding feeding enters a cladding cavity 112 between the outer mold 11 and the inner mold 12, finally merges with the inner core feeding at the junction of the cladding cavity 112 and the discharge port 111 and covers the feeding surface of the inner core, and finally is discharged after being shaped by the discharge port 111, so that all extrusion molding processes are completed, and if decorative strips with different sizes and specifications need to be processed, only the molds 1 with different specifications need to be replaced.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. The extrusion head tool for the aluminum alloy imitated double-color co-extrusion decoration strip is characterized by comprising a forming die (1), a machine head (2), a machine body (3), a transmission system (6) and a cooling system (7), wherein the forming die (1) comprises an outer forming die (11) and an inner forming die (12), a discharge hole (111) is formed in the middle of the outer forming die (11), a conical covering cavity (112) communicated with the discharge hole (111) is formed in one end of the outer forming die (11), the inner forming die (12) is arranged in the covering cavity (112), a gap exists between the inner forming die (12) and the covering cavity (112), a pre-forming hole (121) penetrating through the inner forming die (12) is formed in the middle of the inner forming die (12), a ring-shaped cooling groove (122) is formed in the periphery of the pre-forming hole (121), the machine head (2) comprises a core material passage (21) and a covering passage (22) penetrating through the machine head (2), the left end of cladding passageway (22) is equipped with ring valve (24), be equipped with cooling ring board (72) on aircraft nose (2) body in the middle of cladding passageway (22) and core material passageway (21), cooling ring board (72) can assemble in cooling bath (122) that sets up on interior section mould (12), be equipped with cooling circulation pipeline (71) in cooling ring board (72), cooling circulation pipeline (71) connect to cooling system (7), the right-hand member of core material passageway (21) and cladding passageway (22) is linked together with core feed cylinder (5) and cladding feed cylinder (4) respectively, be provided with core hopper (51) and cladding hopper (41) on core feed cylinder (5) and cladding feed cylinder (4) respectively, transmission system (6) set up the right-hand at core feed cylinder (5) and cladding feed cylinder (4).

2. The extrusion head tool for the aluminum alloy imitated double-color co-extrusion decoration strip as claimed in claim 1, wherein the decoration strip produced by the extrusion head tool is divided into an inner layer and an outer layer.

3. The extrusion head tool for the aluminum alloy imitated double-color co-extrusion decoration strip as claimed in claim 1, wherein the preformed hole (121) is the same as the discharge hole (111) in shape but different in size, and the size of the preformed hole (121) is smaller than that of the discharge hole (111).

4. The extrusion head tool for the aluminum alloy imitated double-color co-extrusion decoration strip as claimed in claim 1, wherein a die mounting seat (23) is arranged at the front end of the machine head (2), threads (113) are arranged on the outer side wall of the outer die (11) and the inner side wall of the die mounting seat (23), and the outer die (11) is fixed on the die mounting seat (23).

5. The extrusion head tool for the aluminum alloy imitated double-color co-extrusion decoration strip as recited in claim 1, wherein the cladding channel (22) is communicated with a gap between the outer die (11) and the inner die (12), the core material channel (21) is communicated with a preformed hole (121) arranged on the inner die (12), and spigot labyrinth structures are arranged at the communication positions between the cladding channel (22) and the die gap and between the core material channel (21) and the preformed hole (121).

6. The extrusion head tool for the aluminum alloy imitated double-color co-extrusion decoration strip is characterized in that the coating channel (22) comprises a straight pipe portion arranged at the right end and a coating material ring (221) arranged at the left end, the straight pipe portion is communicated with the coating material barrel (4), the coating material ring (221) is communicated with the straight pipe portion and gradually transited into an annular pipeline from a single pipeline, a rotary stirring ring (222) is arranged on the outer side of the coating material ring (221), and the rotary stirring ring (222) replaces part of the outer side wall of the coating material ring (221).

7. The extrusion head tooling for the aluminum alloy imitated double-color co-extrusion decoration strip as claimed in claim 1, wherein the outer sides of the cladding channel (22) and the core material channel (21) are provided with electromagnetic heating coils (25).

8. The extrusion head tool for the aluminum alloy-imitated double-color co-extrusion decoration strip is characterized in that the inner layer of the decoration strip is an inner core (82), the inner core (82) is formed by extrusion molding of pure plastic raw material components, and the outer layer of the decoration strip is a coating (81).