CN218084050U - Modular multi-layer co-extrusion molding machine die head - Google Patents
Modular multi-layer co-extrusion molding machine die head Download PDFInfo
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- CN218084050U CN218084050U CN202222287643.1U CN202222287643U CN218084050U CN 218084050 U CN218084050 U CN 218084050U CN 202222287643 U CN202222287643 U CN 202222287643U CN 218084050 U CN218084050 U CN 218084050U
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Abstract
The utility model discloses a modularization multilayer is crowded extruding machine die head altogether, include: the die body comprises an outer layer feeding channel, a middle layer feeding channel and an inner layer feeding channel; the feeding hole is formed in the die body and comprises an outer layer feeding hole, a middle layer feeding hole and an inner layer feeding hole, and the outer layer feeding channel, the middle layer feeding channel and the inner layer feeding channel are correspondingly communicated with the outer layer feeding hole, the middle layer feeding hole and the inner layer feeding hole respectively; the composite co-extrusion channel is communicated with the outer layer feeding channel, the middle layer feeding channel and the inner layer feeding channel; and the heat insulation layer is arranged between the channels of each layer. Through modular assembly, different runners have good heat insulation function, so that the heat insulation temperature difference of materials with different melting points is greatly improved, and the material is suitable for mixed extrusion of more material products; and secondly, the quality of the molded product finally discharged from the discharge port is improved by uniformly mixing the extruded products before compounding.
Description
Technical Field
The utility model relates to a extruding machine technical field, in particular to modularization multilayer is extruding machine die head altogether.
Background
Extrusion, also known as extrusion molding, is a process in which an extruder is used to continuously pass a heated material through an extrusion die to extrude a product of a desired shape. In the prior art, the extrusion die head comprises a feeding hole and a discharging hole, materials enter the extrusion die head through the feeding hole, and the materials come out of the discharging hole to obtain a formed product.
Currently, the existing multi-layer extruded products are compounded through a distributor, and the scheme is only suitable for raw materials with close melting points (+ -10 ℃), and if the melting point temperature between the raw materials is more than (+ -10 ℃), the compound extrusion die with the structure can not meet the requirement. The temperature of the materials in the two adjacent flow channels is mutually transferred, and the influence on the materials entering the composite flow channel on the requirement of the product cannot be achieved.
Secondly, the existing multi-layer extruded products are not uniformly mixed before compounding, which affects the quality of the molded products finally discharged from the discharge port.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a modularization multilayer co-extrusion extruding machine die head solves one or more among the above-mentioned prior art problem.
The utility model provides a pair of modularization multilayer co-extrusion extruding machine die head, include:
the die body comprises an outer layer feeding channel, a middle layer feeding channel and an inner layer feeding channel;
the feeding holes are formed in the die body and comprise an outer layer feeding hole, a middle layer feeding hole and an inner layer feeding hole, and the outer layer feeding channel, the middle layer feeding channel and the inner layer feeding channel are respectively communicated with the outer layer feeding hole, the middle layer feeding hole and the inner layer feeding hole correspondingly;
the composite co-extrusion channel is communicated with the outer layer feeding channel, the middle layer feeding channel and the inner layer feeding channel;
the heat insulation layers are arranged between the channels of each layer, so that the temperatures of materials in the adjacent two layers of channels cannot be mutually transferred, and the materials entering the composite channel can meet the requirements of products.
In certain embodiments, the mold body comprises:
the die comprises an upper die body and a lower die body, wherein the upper die body comprises a first outer layer feeding channel, a first middle layer feeding channel and a first inner layer feeding channel;
the lower die body comprises a second outer layer feeding channel, a second middle layer feeding channel and a second inner layer feeding channel, and the lower die body is fixedly arranged at the lower end part of the upper die body.
In certain embodiments, further comprising:
the first outer layer feed inlet, the first middle layer feed inlet and the first inner layer feed inlet are arranged on the upper die body, and the first outer layer feed channel, the first middle layer feed channel and the first inner layer feed channel are respectively communicated with the first outer layer feed inlet, the first middle layer feed inlet and the first inner layer feed inlet correspondingly;
the lower die body is provided with a second outer layer feed inlet, a second middle layer feed inlet and a second inner layer feed inlet, wherein the second outer layer feed inlet, the second middle layer feed inlet and the second inner layer feed inlet are correspondingly communicated with the second outer layer feed inlet, the second middle layer feed inlet and the second inner layer feed inlet respectively.
In certain embodiments, further comprising:
the first composite co-extrusion channel is communicated with the first outer layer feeding channel, the first middle layer feeding channel and the first inner layer feeding channel;
and the second composite co-extrusion channel is communicated with the second outer layer feeding channel, the second middle layer feeding channel and the second inner layer feeding channel.
In some embodiments, a first material homogenizing chamber is arranged at the position, close to the first composite co-extrusion channel, of the first outer layer feeding channel, and a second material homogenizing chamber is arranged at the position, close to the first composite co-extrusion channel, of the first middle layer feeding channel.
In some embodiments, a third material homogenizing chamber is arranged at a position, close to the second composite co-extrusion channel, of the second outer layer feeding channel, and a fourth material homogenizing chamber is arranged at a position, close to the second composite co-extrusion channel, of the second middle layer feeding channel.
In certain embodiments, the first inner feed channel and the second inner feed channel are formed by a main channel through split flow, and the main channel is provided in the intermediate flow passage of the upper mold body and the lower mold body, and the main channel, the first inner feed channel and the second inner feed channel are arranged in a "Y" shape.
In certain embodiments, the insulating layer is filled with an insulating material.
In certain embodiments, the insulation layer is secured to each layer of the channel by bolts.
In certain embodiments, the material and the set conditions of the first inner layer feed channel and the second inner layer feed channel are the same.
In certain embodiments, the material and set conditions of the first intermediate layer feed channel and the second intermediate layer feed channel are the same.
In certain embodiments, the material and the set conditions of the first outer layer feed channel and the second outer layer feed channel are the same.
In certain embodiments, the die modules of the multi-layer co-extrusion die of the present invention are bolted together.
Has the advantages that: the utility model discloses a modularization multilayer co-extrusion machine die head assembles through the modularization, possesses good thermal-insulated function between the different runners (i.e. different materials), makes the thermal-insulated difference in temperature of different melting point materials promote by a wide margin, is applicable to the mixed extrusion of more material products; and secondly, the quality of the molded product finally discharged from the discharge port is improved by uniformly mixing the extruded products before compounding.
Drawings
FIG. 1 is a schematic view of a modular multi-layer co-extrusion die head of the present invention;
fig. 2 is a schematic structural view of the upper mold body of the present invention;
fig. 3 is a schematic structural diagram of the lower mold body of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
As shown in fig. 1, a modular multi-layer co-extrusion extruder die comprises:
the die body 1 comprises an outer layer feeding channel 11, a middle layer feeding channel 12 and an inner layer feeding channel 13;
the feeding hole 2 is formed in the die body 1, the feeding hole 2 comprises an outer layer feeding hole 21, a middle layer feeding hole 22 and an inner layer feeding hole 23, and the outer layer feeding channel 11, the middle layer feeding channel 12 and the inner layer feeding channel 13 are correspondingly communicated with the outer layer feeding hole 21, the middle layer feeding hole 22 and the inner layer feeding hole 23 respectively;
the composite co-extrusion channel 3 is communicated with the outer layer feeding channel 11, the middle layer feeding channel 12 and the inner layer feeding channel 13;
the heat insulation layer 4 is arranged between each layer of channel, so that the temperature of materials in two adjacent layers of channels cannot be mutually transferred, and the materials entering the composite channel can meet the requirement of a product.
Wherein: the die body comprises an upper die body 5 and a lower die body 6.
As shown in fig. 2, is an upper mold body including:
a first outer layer feed passage 51, a first intermediate layer feed passage 52, and a first inner layer feed passage 53;
the first outer layer feed opening 54, the first middle layer feed opening 55 and the first inner layer feed opening 56 are arranged on the upper die body 5, and the first outer layer feed channel 51, the first middle layer feed channel 52 and the first inner layer feed channel 53 are correspondingly communicated with the first outer layer feed opening 54, the first middle layer feed opening 55 and the first inner layer feed opening 56 respectively;
a first composite co-extrusion channel 31 communicating with the first outer layer feed channel 51, the first intermediate layer feed channel 52 and the first inner layer feed channel 53;
the first outer layer feeding channel 51 is provided with a first material homogenizing cavity 71 near the first composite co-extrusion channel 31, and the first middle layer feeding channel 52 is provided with a second material homogenizing cavity 72 near the first composite co-extrusion channel 31.
As shown in fig. 3, a lower mold body includes:
the lower die body 6 is fixedly arranged at the lower end part of the upper die body 5;
the second outer layer feed opening 64, the second middle layer feed opening 65 and the second inner layer feed opening 66 are arranged on the lower die body 6, and the second outer layer feed channel 61, the second middle layer feed channel 62 and the second inner layer feed channel 63 are respectively and correspondingly communicated with the second outer layer feed opening 64, the second middle layer feed 65 and the second inner layer feed 66;
a second composite co-extrusion channel 32 in communication with the second outer layer feed channel 61, the second intermediate layer feed channel 62, and the second inner layer feed channel 63;
the second outer layer feed channel 61 is provided with a third homogenizing chamber 73 near the second composite co-extrusion channel 32, and the second intermediate layer feed channel 62 is provided with a fourth homogenizing chamber 74 near the second composite co-extrusion channel 32.
As shown in fig. 1-3, a modular multi-layer co-extrusion extruder die comprising:
an upper mold body, comprising:
a first outer layer feed channel 51, a first intermediate layer feed channel 52 and a first inner layer feed channel 53;
the first outer layer feed inlet 54, the first middle layer feed inlet 55 and the first inner layer feed inlet 56 are arranged on the upper die body 5, and the first outer layer feed channel 51, the first middle layer feed channel 52 and the first inner layer feed channel 53 are correspondingly communicated with the first outer layer feed inlet 54, the first middle layer feed inlet 55 and the first inner layer feed inlet 56 respectively;
a first composite co-extrusion channel 31 communicating with the first outer layer feed channel 51, the first intermediate layer feed channel 52 and the first inner layer feed channel 53;
a first material homogenizing cavity 71 is arranged at the position, close to the first composite co-extrusion channel 31, of the first outer layer feeding channel 51, and a second material homogenizing cavity 72 is arranged at the position, close to the first composite co-extrusion channel 31, of the first middle layer feeding channel 52;
a lower mold body comprising:
a second outer layer feeding channel 61, a second middle layer feeding channel 62 and a second inner layer feeding channel 63, wherein the lower die body 6 is fixedly arranged at the lower end part of the upper die body 5;
the second outer layer feed opening 64, the second middle layer feed opening 65 and the second inner layer feed opening 66 are arranged on the lower die body 6, and the second outer layer feed channel 61, the second middle layer feed channel 62 and the second inner layer feed channel 63 are respectively and correspondingly communicated with the second outer layer feed opening 64, the second middle layer feed 65 and the second inner layer feed 66;
a second composite co-extrusion channel 32 in communication with the second outer layer feed channel 61, the second intermediate layer feed channel 62, and the second inner layer feed channel 63;
the second outer layer feeding channel 61 is provided with a third material homogenizing chamber 73 near the second composite co-extrusion channel 32, and the second intermediate layer feeding channel 62 is provided with a fourth material homogenizing chamber 74 near the second composite co-extrusion channel 32.
The first inner layer feeding channel 53 and the second inner layer feeding channel 63 are formed by a main channel through flow division, the main channel is arranged in a middle flow passage of the upper die body and the lower die body, and the main channel, the first inner layer feeding channel 53 and the second inner layer feeding channel 63 are arranged in a Y shape;
the heat insulation layer 4 is arranged between each layer of channel, so that the temperature of materials in two adjacent layers of channels cannot be mutually transferred, and the materials entering the composite channel can meet the requirement of a product.
Wherein: the heat insulation layer 4 is filled with heat insulation materials, and the heat insulation layer 4 is fixed with each layer of channel through bolts.
The material of the first inner layer feeding channel 53 and the second inner layer feeding channel 63 is consistent with the set conditions;
the material of the first middle layer feeding channel 52 and the second middle layer feeding channel 62 is consistent with the set conditions;
the material and the setting conditions of the first outer layer feeding channel 51 and the second outer layer feeding channel 61 are the same.
The modules of the die head of the multilayer co-extrusion extruding machine are connected through bolts.
Specifically, the utility model discloses a multilayer is crowded extruding machine die head altogether includes two upper and lower die bodies, and two upper and lower die body autonomous workings accomplish whole shaping sample jointly. The upper die body comprises three feed inlets and three corresponding feed channels, inner layer materials enter the extrusion die head from the inner layer feed inlet, middle layer materials enter the middle layer feed inlet and outer layer materials enter the composite co-extrusion channel from the outer layer feed inlet respectively through the inner layer feed channel, the middle layer feed channel and the outer layer material channel respectively and from inside to outside, and a formed sample is formed through compounding. Meanwhile, the middle layer material and the outer layer material need to be uniformly mixed in the material homogenizing cavity before entering the composite co-extrusion channel. The design principle and concept of the lower die body are the same as those of the upper die body.
In summary, the following steps: the utility model discloses a modularization multilayer co-extrusion machine die head assembles through the modularization, possesses good thermal-insulated function between the different runners (i.e. different materials), makes the thermal-insulated difference in temperature of different melting point materials promote by a wide margin, is applicable to the mixed extrusion of more material products; secondly, the quality of the molded product finally discharged from the discharge port is improved by uniformly mixing the extruded products before compounding.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these should also be considered as within the scope of the present invention.
Claims (9)
1. A modular multi-layer co-extrusion extruder die comprising:
the die body (1) comprises an outer layer feeding channel (11), a middle layer feeding channel (12) and an inner layer feeding channel (13);
the feeding hole (2) is formed in the die body (1), the feeding hole (2) comprises an outer layer feeding hole (21), a middle layer feeding hole (22) and an inner layer feeding hole (23), and the outer layer feeding channel (11), the middle layer feeding channel (12) and the inner layer feeding channel (13) are correspondingly communicated with the outer layer feeding hole (21), the middle layer feeding hole (22) and the inner layer feeding hole (23) respectively;
the composite co-extrusion channel (3) is communicated with the outer layer feeding channel (11), the middle layer feeding channel (12) and the inner layer feeding channel (13);
the heat insulation layer (4) is arranged between the channels of each layer, so that the temperature of materials in the two adjacent layers of channels cannot be mutually transferred, and the materials entering the composite channel can meet the requirements of products.
2. A modular multi-layer co-extrusion extruder die head according to claim 1, characterised in that said die body (1) comprises:
an upper die body (5), the upper die body (5) comprising a first outer layer feed channel (51), a first intermediate layer feed channel (52) and a first inner layer feed channel (53);
the lower die body (6), wherein the lower die body (6) comprises a second outer layer feeding channel (61), a second middle layer feeding channel (62) and a second inner layer feeding channel (63), and the lower die body (6) is fixedly arranged at the lower end part of the upper die body (5).
3. The modular multilayer co-extruder die as claimed in claim 2, further comprising:
the first outer layer feed inlet (54), the first middle layer feed inlet (55) and the first inner layer feed inlet (56) are formed in the upper die body (5), and the first outer layer feed channel (51), the first middle layer feed channel (52) and the first inner layer feed channel (53) are correspondingly communicated with the first outer layer feed inlet (54), the first middle layer feed inlet (55) and the first inner layer feed inlet (56) respectively;
the lower die body (6) is provided with a second outer layer feeding hole (64), a second middle layer feeding hole (65) and a second inner layer feeding hole (66), and the second outer layer feeding channel (61), the second middle layer feeding channel (62) and the second inner layer feeding channel (63) are correspondingly communicated with the second outer layer feeding hole (64), the second middle layer feeding hole (65) and the second inner layer feeding hole (66) respectively.
4. The modular multilayer co-extruder die as claimed in claim 3, further comprising:
a first composite co-extrusion channel (31) communicated with the first outer layer feeding channel (51), the first middle layer feeding channel (52) and the first inner layer feeding channel (53);
a second composite co-extrusion channel (32) in communication with the second outer layer feed channel (61), the second intermediate layer feed channel (62), and the second inner layer feed channel (63).
5. A modular multi-layer co-extrusion extruder die as claimed in claim 4, characterised in that the first outer layer feed channel (51) is provided with a first levelling cavity (71) adjacent the first composite co-extrusion channel (31) and the first intermediate layer feed channel (52) is provided with a second levelling cavity (72) adjacent the first composite co-extrusion channel (31).
6. A modular multilayer co-extrusion extruder die head according to claim 4, characterized in that the second outer layer feed channel (61) is provided with a third dope cavity (73) adjacent to the second composite co-extrusion channel (32), and the second intermediate layer feed channel (62) is provided with a fourth dope cavity (74) adjacent to the second composite co-extrusion channel (32).
7. A modular multi-layer co-extrusion die as claimed in claim 4, wherein the first inner feed passageway (53) and the second inner feed passageway (63) are formed by a main passageway formed by a split flow and provided in the intermediate flow path of the upper die body and the lower die body, the main passageway, the first inner feed passageway (53) and the second inner feed passageway (63) being arranged in a "Y" shape.
8. A modular multi-layer co-extrusion extruder die as claimed in claim 1, characterised in that said insulation layer (4) is filled with insulation material.
9. A modular multi-layer co-extrusion extruder die as claimed in claim 1, characterised in that the insulation layer (4) is bolted to the passages.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222287643.1U CN218084050U (en) | 2022-08-29 | 2022-08-29 | Modular multi-layer co-extrusion molding machine die head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222287643.1U CN218084050U (en) | 2022-08-29 | 2022-08-29 | Modular multi-layer co-extrusion molding machine die head |
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| CN218084050U true CN218084050U (en) | 2022-12-20 |
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| CN202222287643.1U Active CN218084050U (en) | 2022-08-29 | 2022-08-29 | Modular multi-layer co-extrusion molding machine die head |
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- 2022-08-29 CN CN202222287643.1U patent/CN218084050U/en active Active
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