CN218701074U

CN218701074U - Multi-layer pipe composite co-extrusion die

Info

Publication number: CN218701074U
Application number: CN202222981153.1U
Authority: CN
Inventors: 孙清; 单联涛; 仇长玉
Original assignee: Yantai Jinwoquan Plastic Co ltd
Current assignee: Yantai Jinwoquan Plastic Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-24
Anticipated expiration: 2032-11-09

Abstract

The utility model belongs to the technical field of the tubular product production technique and specifically relates to a compound crowded mould altogether of multilayer tubular product, including the strut, extrude head and extruder, the upper end left side sealing connection of strut has the extrusion head, the left end sealing connection who extrudes the head has the cooling shaping frame, the outer end sealing connection who cools off the shaping frame has stack cladding frame, the outside sealing connection of stack cladding frame has a branch flow pipe, the inboard sealing connection of stack cladding frame has the extrusion frame, extrude sealing connection between frame and the branch flow pipe, the utility model discloses in, through the branch flow pipe that sets up, extrude frame and core bar, utilize the effect of core bar to support the tubular product substrate of extruding to can pour into stack cladding frame into to the effect through a branch flow pipe in to make outside cladding material can coat at the tubular product substrate surface of extruding, thereby form multilayer tubular product, can realize integration production and use, promote the production efficiency to multilayer tubular product.

Description

Multi-layer pipe composite co-extrusion die

Technical Field

The utility model relates to a tubular product production technical field specifically is a compound crowded mould altogether of multilayer tubular product.

Background

Along with the development of society, the application to multilayer tubular product is more and more extensive, and crowded mould altogether is that two kinds of materials flow along independent runner separately, converge near the bush exit, extrude the bush jointly to make more than two kinds of materials form multilayer tubular product at the exit, different materials have different functions, thereby realize the multiple performance of multilayer tubular product, have realized the different construction installation demands of tubular product.

In the prior art, when a multilayer pipe is produced, the extruded pipe needs to be completely cooled and molded and then is coated on the outer side, so that reprocessing can not be carried out in cooling time, and the production efficiency of the multilayer pipe is reduced; when the multilayer pipe is produced, the coating is carried out under the condition that each layer is not cooled and formed, so that the uniformity of each layer of material is easy to lower, and each layer of material is easy to be confused, thereby influencing the production quality of the multilayer pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound crowded mould altogether of multilayer tubular product to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a compound crowded mould altogether of multilayer tubular product, includes the strut, extrudes head and extruder, the upper end left side sealing connection of strut has extrudes the head, the left end sealing connection who extrudes the head has the cooling shaping frame, the outer end sealing connection who cools off the shaping frame has stack cladding frame, the outside sealing connection of stack cladding frame has a tributary pipe, the inboard sealing connection who superposes the cladding frame has and extrudes the frame, extrude sealing connection between frame and the tributary pipe.

Preferably, the number of the cooling forming frames is three, the inner side of the cooling forming frame at the right end is provided with an extrusion groove, the inner side of the cooling forming frame at the middle position is provided with a first coating groove, and the inner side of the cooling forming frame at the left end is provided with a second coating groove.

Preferably, the cooling box is fixedly connected to the left side of the upper end of the support frame, the pump is hermetically connected to the upper end of the cooling box, the liquid inlet pipe is hermetically connected to the upper end of the pump, the liquid inlet pipe is hermetically connected to the cooling forming frame, the liquid discharge pipe is hermetically connected to the left side of the lower end of the cooling forming frame, and the liquid discharge pipe is hermetically connected to the cooling box.

Preferably, the upper side of the right end of the support frame is fixedly connected with an extruder, the extruder is in sealing connection with the extrusion head, and the right side of the upper end of the extruder is in sealing connection with a main material pipe.

Preferably, the upper end of the branch pipe is hermetically connected with an outer coating pipe.

Preferably, a core bar is fixedly connected to the inner side of the extrusion head.

Preferably, a spiral cooling hole is formed in the side wall of the cooling forming frame, the upper port of the spiral cooling hole corresponds to the liquid inlet pipe, and the lower port of the spiral cooling hole corresponds to the liquid discharge pipe.

Preferably, the branch flow pipe, the extrusion frame and the outer coating pipe are all made of high-temperature-resistant materials, and a material extrusion opening is formed in the inner end face of the extrusion frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the extruded pipe base material can be supported by the action of the core bar through the arranged branch flow pipe, the extrusion frame and the core bar, and the external cladding material can be injected into the overlapped cladding frame through the action of the branch flow pipe, so that the external cladding material can be cladded on the surface of the extruded pipe base material, thereby forming a multilayer pipe, realizing integrated production and use and improving the production efficiency of the multilayer pipe;

2. the utility model discloses in, through cooler bin, feed liquor pipe and the spiral cooling hole that sets up, the effect of the pump machine that utilizes to set up can be with the coolant liquid in the cooler bin through the feed liquor pipe pour into the cooling shaping frame into, thereby can extrude each layer material and carry out the primary cooling shaping, thereby guarantee the homogeneity after each layer material is extruded, can promote the cooling effect to extruding tubular product through the effect in the spiral cooling hole that sets up simultaneously, guarantee the production quality of multilayer tubular product.

Drawings

Fig. 1 is a schematic view of the overall installation structure of the present invention;

FIG. 2 is a sectional view of the installation structure of the cooling forming frame, the overlapping covering frame and the branch pipe of the present invention;

fig. 3 is a left side view of the installation structure of the cooling forming frame of the present invention.

In the figure: 1. a support frame; 2. an extrusion head; 3. cooling and forming the frame; 4. overlapping the cladding frames; 5. a bypass pipe; 6. extruding the frame; 7. an extrusion groove; 8. a first coating groove; 9. a second coating groove; 10. a cooling tank; 11. a pump machine; 12. a liquid inlet pipe; 13. a liquid discharge pipe; 14. an extruder; 15. a main material pipe; 16. covering a material pipe outside; 17. a core bar; 18. and a spiral cooling hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1 please refer to fig. 1-3, the present invention provides a technical solution: a multilayer pipe composite co-extrusion die comprises a support frame 1, an extrusion head 2 and an extruder 14, wherein the left side of the upper end of the support frame 1 is hermetically connected with the extrusion head 2, the left end of the extrusion head 2 is hermetically connected with a cooling forming frame 3, the outer end of the cooling forming frame 3 is hermetically connected with a superposed coating frame 4, the outer side of the superposed coating frame 4 is hermetically connected with a branch pipe 5, the inner side of the superposed coating frame 4 is hermetically connected with an extrusion frame 6, the extrusion frame 6 is hermetically connected with the branch pipe 5, the number of the cooling forming frames 3 is three, the inner side of the cooling forming frame 3 at the right end is provided with an extrusion groove 7, the inner side of the cooling forming frame 3 at the middle position is provided with a first coating groove 8, the inner side of the cooling forming frame 3 at the left end is provided with a second coating groove 9, the upper side of the right end of the support frame 1 is fixedly connected with the extruder 14, and the extruder 14 is hermetically connected with the extrusion head 2, the right side of the upper end of the extruder 14 is hermetically connected with a main material pipe 15, the upper end of the branch pipe 5 is hermetically connected with an outer coating material pipe 16, the inner side of the extrusion head 2 is fixedly connected with a core bar 17, the branch pipe 5, the extrusion frame 6 and the outer coating material pipe 16 are all made of high temperature resistant materials, a material extrusion port is arranged on the inner end surface of the extrusion frame 6, when a multilayer pipe is subjected to composite co-extrusion production, a main material of the pipe is injected into the extruder 14 through the main material pipe 15, the extrusion head 2 can extrude a base material under the action of the extruder 14, the base material can be coated on the surface of the core bar 17, the extruded pipe base material can be supported under the action of the core bar 17, and the outer coating material can be injected into the superposed coating frame 4 under the action of the branch pipe 5, so that the outer coating material can be coated on the surface of the extruded pipe base material, and the outer coating material can be coated on the surface of the extruded pipe base material through the arranged extrusion groove 7, the effect of first cladding groove 8 and second cladding groove 9 makes each layer material can laminate the cladding each other to form multilayer tubular product, can realize integration production and use, promote the production efficiency to multilayer tubular product.

Example 2: referring to fig. 1-2, the difference between the present embodiment and embodiment 1 is: strut 1's upper end left side fixedly connected with cooler bin 10, the upper end sealing connection of cooler bin 10 has pump machine 11, the upper end sealing connection of pump machine 11 has feed liquor pipe 12, sealing connection between feed liquor pipe 12 and the cooling shaping frame 3, the lower extreme left side sealing connection of cooling shaping frame 3 has fluid-discharge tube 13, sealing connection between fluid-discharge tube 13 and the cooler bin 10, spiral cooling hole 18 has been seted up to cooling shaping frame 3's lateral wall is inside, the port is corresponding with the position of feed liquor pipe 12 on spiral cooling hole 18, the lower port of spiral cooling hole 18 is corresponding with the position of fluid-discharge tube 13, when multilayer tubular product complex is crowded altogether, can take out the coolant liquid in the cooler bin 10 through the effect of pump machine 11, and pour into cooling shaping frame 3 through feed liquor pipe 12 in, make the coolant liquid circulate through the effect of the spiral cooling hole 18 that sets up simultaneously, so that cooling shaping frame 3 can promote the cooling effect to extruding tubular product, thereby can extrude and carry out preliminary cooling shaping to each layer material, thereby guarantee the homogeneity after each layer material extrudes, guarantee the production quality of multilayer tubular product.

The working process is as follows: this device adopts external power supply to supply power when using, when carrying out compound co-extrusion production to multilayer tubular product, pour into extruder 14 with tubular product main material through main pipe 15, and make extrusion head 2 can extrude the substrate through the effect of extruder 14, and make the substrate can coat on core bar 17 surface, can support the tubular product substrate of extruding with the effect of core bar 17, and can pour into stack cladding frame 4 through the effect of lateral flow pipe 5 to outer cladding material, thereby make outer cladding material can coat on the tubular product substrate surface of extruding, and through the extrusion groove 7 that sets up, the effect of first cladding groove 8 and second cladding groove 9 makes each layer material can laminate the cladding each other, thereby form multilayer tubular product, can realize the integrated production use, promote the production efficiency to multilayer tubular product, and when multilayer compound is co-extruded, can take out the coolant liquid in the cooler bin 10 through the effect of pump machine 11, and pour into the cooling forming frame 3 through feed liquor pipe 12, make coolant liquid circulate through the effect of spiral cooling hole 18 that sets up simultaneously, so that make the cooling frame 3 can promote the cooling of extruding the tubular product, thereby guarantee the homogeneity of each layer material after-extrusion, thereby guarantee the homogeneity of each layer material.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound crowded mould altogether of multilayer tubular product, includes strut (1), extrudes first (2) and extruder (14), its characterized in that: the utility model discloses a cooling device, including strut (1), extrusion head (2) are connected to the upper end left side sealing connection of strut (1), the left end sealing connection who extrudes head (2) has cooling shaping frame (3), the outer end sealing connection of cooling shaping frame (3) has stack cladding frame (4), the outside sealing connection of stack cladding frame (4) has tributary pipe (5), the inboard sealing connection of stack cladding frame (4) has extrusion frame (6), extrude sealing connection between frame (6) and tributary pipe (5).

2. The multilayer pipe composite co-extrusion die as claimed in claim 1, wherein: the quantity of cooling shaping frame (3) has threely, is located the right-hand member the inboard of cooling shaping frame (3) has been seted up and has been extruded groove (7), is located intermediate position department first cladding groove (8) have been seted up to the inboard of cooling shaping frame (3), is located the left end second cladding groove (9) have been seted up to the inboard of cooling shaping frame (3).

3. The multilayer pipe composite co-extrusion die as claimed in claim 1, wherein: the utility model discloses a cooling device, including strut (1), upper end left side fixedly connected with cooler bin (10), the upper end sealing connection of cooler bin (10) has pump machine (11), the upper end sealing connection of pump machine (11) has feed liquor pipe (12), sealing connection between feed liquor pipe (12) and the cooling shaping frame (3), the lower extreme left side sealing connection of cooling shaping frame (3) has fluid-discharge tube (13), sealing connection between fluid-discharge tube (13) and cooler bin (10).

4. The multilayer pipe composite co-extrusion die as claimed in claim 1, wherein: the extrusion device is characterized in that an extruder (14) is fixedly connected to the upper side of the right end of the support frame (1), the extruder (14) is connected with the extrusion head (2) in a sealing mode, and a main material pipe (15) is connected to the right side of the upper end of the extruder (14) in a sealing mode.

5. The multilayer pipe composite co-extrusion die as claimed in claim 1, wherein: the upper end of the branch pipe (5) is hermetically connected with an outer coating pipe (16).

6. The multilayer pipe composite co-extrusion die as claimed in claim 1, wherein: the inner side of the extrusion head (2) is fixedly connected with a core rod (17).

7. The multilayer pipe composite co-extrusion die as claimed in claim 3, wherein: spiral cooling holes (18) are formed in the side wall of the cooling forming frame (3), the upper ports of the spiral cooling holes (18) correspond to the positions of the liquid inlet pipes (12), and the lower ports of the spiral cooling holes (18) correspond to the positions of the liquid discharge pipes (13).

8. The multilayer pipe composite co-extrusion die as claimed in claim 5, wherein: the branch flow pipe (5), the extrusion frame (6) and the outer coating pipe (16) are all made of high-temperature-resistant materials, and a material extrusion port is formed in the inner end face of the extrusion frame (6).