CN206568527U - Extrude head assembly, part of the die head and mould for plastics - Google Patents
Extrude head assembly, part of the die head and mould for plastics Download PDFInfo
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- CN206568527U CN206568527U CN201720094830.4U CN201720094830U CN206568527U CN 206568527 U CN206568527 U CN 206568527U CN 201720094830 U CN201720094830 U CN 201720094830U CN 206568527 U CN206568527 U CN 206568527U
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- 239000004033 plastic Substances 0.000 title claims abstract description 29
- 229920003023 plastic Polymers 0.000 title claims abstract description 29
- 238000001125 extrusion Methods 0.000 claims abstract description 91
- 239000000463 material Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010137 moulding (plastic) Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides extrusion head assembly, part of the die head and mould for plastics, it is related to rubber and plastic production technical field, sieve plate, core rod, mold cup and the mouth mold overlapped including axial line, along the extrusion direction of medium, core rod is located at the rear side of sieve plate and is fixedly connected with sieve plate towards the columnar part of core rod side；Mold cup is arranged at the rear side of sieve plate and extrusion chamber is formed between core rod and columnar part；Mouth mold is located in mold cup and is sheathed on the outside of core rod；Along the extrusion direction of medium, mouth mold inwall formation courage jacking mouth shape passage, and the rear end of mouth mold forms extrusion, the distance between the inwall of courage jacking mouth shape passage and core rod outer surface are gradually reduced；Sieve plate includes the sieve material portion with loop configuration, and sieve material portion be uniformly provided with it is multiple connect through sieve plate and with extrusion chamber to enable media to the through hole passed through, and sieve plate is formed with the tapered protrusion that material portion is sieved for medium to be oriented to away from the surface of core rod.Homogeneous media smoothly enters mould, it is ensured that quality.
Description
Technical Field
The utility model belongs to the technical field of the rubber and plastic production technique and specifically relates to an extrude first subassembly, die head part and plastics forming die.
Background
Rubber and plastic are general names of rubber and plastic industries, are accessory products of petroleum, are same in source, but have different physical properties and different applications in the process of manufacturing products, the rubber is widely used as a tire, and the plastic is more and more widely used along with the requirements and the applications of the technology and the market. But the rubber and plastic production process flow is basically the same.
The extrusion process is an important link in the basic process flow of rubber and plastic products, and the extrusion process is operated in an extruder. The extrusion molding process comprises the following steps:
preparation of raw materials: drying and impurity removing treatment;
and (3) extrusion molding: preheating an extruder, adding plastic, melting and plasticizing, and extruding and molding by a machine head;
taking plastic molding as an example, the main machine of the plastic extruder is an extruding machine which consists of an extruding system, a transmission system and a heating and cooling system. The extrusion system comprises a machine head and a die, and plastic melts are continuously extruded out of the machine head through the extrusion system under certain pressure. However, the quality of the product extruded by the extruder is seriously affected by the non-uniformity of the plastic melt, and therefore, how to ensure that the plastic melt uniformly and smoothly enters the die is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an extrude head subassembly, die head part and plastics forming die can realize the even steady entering mould of plastics fuse-element, has guaranteed the quality of product.
In order to achieve the above object, the utility model provides a following technical scheme:
in a first aspect, the present invention provides an extrusion head assembly, comprising: sieve, mold core, mold cup and the bush of axial lead coincidence, wherein:
along the extrusion direction of the medium, the mold core is positioned at the rear side of the sieve plate and is fixedly connected with the columnar part of the sieve plate, which faces one side of the mold core;
the mold cup is arranged on the rear side of the sieve plate, and an extrusion cavity is formed among the mold cup, the mold core and the columnar part;
the mouth mold is positioned in the mold cup and sleeved outside the mold core; along the extrusion direction of the medium, an inverted-bell-mouth-shaped channel is formed on the inner wall of the neck ring mold, an extrusion opening is formed at the rear end of the neck ring mold, and the distance between the inner wall of the inverted-bell-mouth-shaped channel and the outer surface of the mold core is gradually reduced;
the sieve is including the sieve material portion that has loop configuration, just sieve material portion evenly is equipped with a plurality of running through the sieve and with the extrusion chamber intercommunication is in order to make the through-hole that the medium can pass through, just the sieve deviates from the surface of mold core is formed with and is used for the medium direction sieve material portion's toper arch.
Further, the sieve plate and the mold core are of an integrated structure; or,
the sieve plate is in threaded connection with the mold core.
Further, when the sieve plate is in threaded connection with the mold core, the columnar part is provided with a threaded hole for connecting the mold core, and the mold core is provided with an external thread matched with the threaded hole; or,
the mold core is provided with a threaded hole for connecting the columnar part, and the columnar part is provided with an external thread matched with the threaded hole.
In a second aspect, the present invention also provides a die head assembly comprising an extrusion head assembly as described in any one of the first aspects.
Further, the die head component also comprises a die head base, a die chamber and a die cover which are sequentially arranged along the extrusion direction of the medium; wherein,
a first cavity for accommodating a medium is arranged in the die head base;
a second cavity communicated with the first cavity is arranged in the die chamber, and the axis of the second cavity is superposed with the axis of the first cavity; the die chamber is detachably connected with the die head base; the extrusion head assembly is arranged in the die chamber, and the conical bulge of the sieve plate points to the opposite direction of the medium extrusion direction;
the mould cover is detachably connected with the mould chamber.
Furthermore, a first axial positioning surface is arranged in one side of the die chamber, which faces the extrusion head assembly, a second axial positioning surface is arranged in one side of the die cover, which faces the die chamber, and one side of the screening part of the screening plate, which faces the conical bulge, is abutted against the first axial positioning surface; and one side of a die cup in the extrusion head assembly, which is far away from the sieve plate, is abutted against the second axial positioning surface.
Further, the die head component also comprises water conveying pipe sleeved on the outer side of the die chamber, an annular groove is formed in the outer wall of the die chamber, and the water conveying pipe is matched with the annular groove.
Furthermore, the die chamber is also provided with a self-aligning screw for adjusting the axial lead of the die cup.
In a third aspect, the present invention also provides a plastic molding die comprising the die head component of any one of the second aspects.
Further, the plastic molding die further comprises:
the die head is connected with the feeding channel and is connected with a plurality of die head components;
a base for supporting the entire die.
The utility model provides a pair of extrude first subassembly, die head part and have following beneficial effect:
the utility model discloses the first aspect provides an extrude first subassembly, include: the screen plate, the mold core, the mold cup and the mouth mold are overlapped by axial leads, and the mold core is positioned at the rear side of the screen plate and fixedly connected with a columnar part at one side of the screen plate facing the mold core along the extrusion direction of the medium; the mold cup is arranged on the rear side of the sieve plate, and an extrusion cavity is formed among the mold cup, the mold core and the columnar part; the neck ring mold is positioned in the mold cup and sleeved outside the mold core; along the extrusion direction of the medium, the inner wall of the neck ring mold forms an inverted bell mouth-shaped channel, the rear end of the neck ring mold forms an extrusion opening, and the distance between the inner wall of the inverted bell mouth-shaped channel and the outer surface of the mold core is gradually reduced; the sieve is including the sieve material portion that has loop configuration, and sieve material portion evenly is equipped with a plurality of through-holes that run through the sieve and communicate so that the medium can pass through with the extrusion chamber, and the surface that the sieve deviates from the mold core is formed with the toper arch that is used for sieving the material portion with the medium direction. During extrusion process, the medium gets into extrusion head subassembly like the plastic melt, the protruding sieve material portion that makes the medium disperse to the sieve through the taper of sieve, and then evenly be equipped with a plurality ofly run through the sieve and with the through-hole reposition of redundant personnel that the extrusion chamber communicates so that the medium can pass through sieve material portion, evenly get into the extrusion chamber, the bush inner wall forms the form passageway of falling the horn mouth, and the rear end of bush forms the extrusion mouth, the distance between the inner wall of the form passageway of falling the horn mouth and the mold core surface reduces gradually, and then evenly extrude the extrusion chamber and obtain the product, can realize the even steady entering mould of plastic melt, the quality of product has been guaranteed.
The utility model discloses the die head subassembly that the second aspect provided includes the first aspect to have the utility model discloses all beneficial effects that the first aspect provides extrudes the head subassembly and has.
The utility model discloses the plastics forming die that the third aspect provided includes the die head part of second aspect, and the die head part includes the extrusion head subassembly of first aspect, thereby has the utility model discloses all beneficial effects that the extrusion head subassembly that the first aspect provided had.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an extrusion head assembly provided in an embodiment of the first aspect of the present invention;
fig. 2 is a left side view of a screen plate in an extrusion head assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a die component according to an embodiment of the second aspect of the present invention;
fig. 4 is a schematic structural diagram of a plastic molding die according to an embodiment of the present invention.
Icon: 1-sieve plate; 2, a mold core; 3-a mold cup; 4-opening die; 5-die head base; 6-a mould chamber; 7-a mould cover; 8-transporting water; 9-self-aligning screw; 10-a die head; 11-base.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Referring to fig. 1, 2, 3 and 4, the extrusion head assembly, the die head assembly and the plastic forming die according to the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
An embodiment of the first aspect of the present invention provides an extrusion head assembly, including: sieve 1, mold core 2, mold cup 3 and bush 4 of axial lead coincidence, wherein:
along the extrusion direction of the medium, the mold core 2 is positioned at the rear side of the sieve plate 1 and is fixedly connected with the columnar part of the sieve plate 1 facing to the mold core 2;
the mold cup 3 is arranged at the rear side of the sieve plate 1, and an extrusion cavity is formed among the mold cup, the mold core 2 and the columnar part;
the neck ring mold 4 is positioned in the mold cup 3 and sleeved outside the mold core 2; along the extrusion direction of the medium, the inner wall of the mouth mold 4 forms an inverted-bell-mouth-shaped channel, the rear end of the mouth mold 4 forms an extrusion opening, and the distance between the inner wall of the inverted-bell-mouth-shaped channel and the outer surface of the mold core 2 is gradually reduced;
sieve 1 is including the sieve material portion that has loop configuration, and sieve material portion evenly is equipped with a plurality of through-holes that run through sieve 1 and communicate so that the medium can pass through with the extrusion chamber, and sieve 1 deviates from the surface of mold core 2 and is formed with the toper arch that is used for sieving the material portion with the medium direction.
It should be noted that, the embodiment of the first aspect of the present invention provides an extrusion head assembly, including: the sieve plate 1, the mold core 2, the mold cup 3 and the mouth mold 4 with coincident axial leads are positioned at the rear side of the sieve plate 1 along the extrusion direction of the medium, and the mold core 2 is fixedly connected with the columnar part of the sieve plate 1 towards one side of the mold core 2; the mold cup 3 is arranged at the rear side of the sieve plate 1, and an extrusion cavity is formed among the mold cup, the mold core 2 and the columnar part; the neck ring mold 4 is positioned in the mold cup 3 and sleeved outside the mold core 2; along the extrusion direction of the medium, the inner wall of the mouth mold 4 forms an inverted-bell-mouth-shaped channel, the rear end of the mouth mold 4 forms an extrusion opening, and the distance between the inner wall of the inverted-bell-mouth-shaped channel and the outer surface of the mold core 2 is gradually reduced; sieve 1 is including the sieve material portion that has loop configuration, and sieve material portion evenly is equipped with a plurality of through-holes that run through sieve 1 and communicate so that the medium can pass through with the extrusion chamber, and sieve 1 deviates from the surface of mold core 2 and is formed with the toper arch that is used for sieving the material portion with the medium direction. During extrusion process, the medium gets into extrusion head subassembly like the plastic melt, the protruding sieve material portion that makes the medium disperse to sieve 1 of taper through sieve 1, and then evenly be equipped with a plurality ofly through sieve 1 and with extrude the through-hole reposition of redundant personnel that the chamber communicates so that the medium can pass through sieve material portion, evenly get into the extrusion chamber, 4 inner walls of bush form the passageway of falling the horn mouth, and the rear end of bush 4 forms and extrudes the mouth, the distance between the inner wall of the passageway of falling the horn mouth form and the 2 surfaces of mold core reduces gradually, and then evenly extrude the extrusion chamber and obtain the product, can realize the even steady entering mould of plastic melt, the quality of product has been guaranteed.
Further, the sieve plate 1 and the mold core 2 are of an integrated structure; or,
the sieve plate 1 is in threaded connection with the mold core 2.
It should be noted that, sieve 1 and mold core 2 have the integral type structure, and are structurally simpler, more firm, and difficult kneck between sieve 1 and mold core 2 damages during the use. Not only can improve the axis contact ratio between sieve 1 and the mold core 2, but also can reduce the cost of sieve 1 and mold core 2, realize the possibility of a large amount of, high-speed production.
The screen plate 1 and the mold core 2 can be detachably connected in consideration of the damage phenomenon of the screen plate 1 and the mold core 2 in use or the condition that the mold core 2 is different and needs to be replaced.
Specifically, in the using process, when the product requirements are different, the mold core 2 needs to be replaced frequently; or when the sieve part of the sieve plate 1 is blocked and needs to be replaced, only the part needing to be replaced needs to be replaced, so that the repeated utilization of the flow divider or the mold core 2 is realized, and the use cost is saved.
Preferably, the screen plate 1 and the mold core 2 can be connected by screw threads.
Further, when the sieve plate 1 is in threaded connection with the mold core 2, the columnar part is provided with a threaded hole for connecting the mold core 2, and the mold core 2 is provided with an external thread matched with the threaded hole; or,
mold core 2 is equipped with the screw hole that is used for connecting column portion, and column portion is equipped with the external screw thread with screw hole complex.
It should be noted that the threaded connection is a coupling connection between the internal thread of the column part of the sieve plate 1 and the external thread of the mold core 2; or the outer thread of the column part of the sieve plate 1 is coupled with the inner thread of the mold core 2. The connecting device has the advantages of simple manufacture and use, reliable connection, convenient use, good universality, assembly and disassembly and repeated use.
Embodiments of the second aspect of the present invention provide a die component comprising an extrusion head assembly as in any of the embodiments of the first aspect.
It should be noted that embodiments of the second aspect of the present invention provide die members including the extrusion head assembly of the first aspect, thereby providing all the advantages provided by the extrusion head assembly of the first aspect of the present invention.
Further, the die head component also comprises a die head base 5, a die chamber 6 and a die cover 7 which are sequentially arranged along the extrusion direction of the medium; wherein,
a first cavity for accommodating a medium is arranged in the die head base 5;
a second cavity communicated with the first cavity is arranged in the die chamber 6, and the axial lead of the second cavity is superposed with the axial lead of the first cavity; the die chamber 6 is detachably connected with the die head base 5; the extrusion head assembly is arranged in the die chamber 6, and the conical bulge of the sieve plate 1 points to the opposite direction of the medium extrusion direction;
the mould cover 7 is detachably connected with the mould chamber 6.
It should be noted that, a medium enters the first cavity of the die head base 5, passes through the second cavity of the die chamber 6 coinciding with and communicating with the axial lead of the first cavity, and is extruded out of the die head component through the extrusion head component in the die chamber 6, specifically, the medium is in the second cavity, and is distributed to the screen part of the screen plate 1 through the conical protrusion of the screen plate 1, and then a plurality of through holes penetrating through the screen plate 1 and communicating with the extrusion cavity to allow the medium to pass are uniformly distributed through the screen part, and then uniformly enter the extrusion cavity, the inner wall of the die 4 forms an inverted bell mouth shaped channel, and the rear end of the die 4 forms an extrusion opening, the distance between the inner wall of the inverted bell mouth shaped channel and the outer surface of the die core 2 is gradually reduced, and then the extrusion cavity is uniformly extruded to obtain a product, so that a plastic melt can uniformly and stably enter the die.
Furthermore, a first axial positioning surface is arranged in one side of the die chamber 6 facing the extrusion head assembly, a second axial positioning surface is arranged in one side of the die cover 7 facing the die chamber 6, and one side of the screening part of the screen plate 1 facing the conical bulge is abutted against the first axial positioning surface; and one side of the die cup 3 in the extrusion head component, which is far away from the sieve plate 1, is abutted against the second axial positioning surface.
It should be noted that, specifically, the extrusion head assembly is mounted on the die chamber 6 by means of that one side of the screening part of the screen plate 1 facing the conical protrusion is abutted against a first axial positioning surface arranged on one side of the die chamber 6 facing the extrusion head assembly; one side of a die cup 3 in the extrusion head assembly, which deviates from the sieve plate 1, is abutted against a second axial positioning surface, which is arranged on one side of the die cover 7, which faces the die chamber 6, and then the extrusion head assembly is fixedly connected through the threads of the die cover 7 and the die chamber 6.
Further, the die head component also comprises water conveying 8 sleeved outside the die chamber 6, an annular groove is formed in the outer wall of the die chamber 6, and the water conveying 8 is matched with the annular groove.
It should be noted that the die head part further comprises water delivery 8 sleeved outside the die chamber 6, namely a cooling system of the die, and the die is cooled, so that the product cannot be severely deformed at high temperature. The injection molding cycle of a product can not be cooled, the water transport 8 acts to make the beer molding size of the product more stable, and the production efficiency is improved.
Furthermore, the die chamber 6 is also provided with a self-aligning screw 9 for adjusting the axial lead of the die cup 3.
It should be noted that, in order to better ensure the coincidence degree of the axial lines of the mold core 2 and the mold cup 3 in the extrusion head assembly, and further ensure the product quality, the mold chamber 6 is further provided with an aligning screw 9 for adjusting the axial line of the mold cup 3. Specifically, the number of the self-aligning screws 9 is 4-8, preferably 4, which are uniformly distributed in the circumferential direction of the die chamber 6.
Embodiments of the third aspect of the present invention provide a plastics moulding mould comprising a die head component as in any embodiment of the second aspect.
It should be noted that the plastic forming die provided in the embodiment of the third aspect of the present invention includes the die head component of the embodiment of the second aspect, and the die head component includes the extrusion head component of the embodiment of the first aspect, thereby providing all the advantages of the extrusion head component provided in the embodiment of the first aspect of the present invention.
Further, the plastic molding die further comprises:
the die head 10 is connected with the feeding channel, and a plurality of die head parts are connected on the die head 10;
a base 11 for supporting the entire die 10.
It should be noted that the plastic forming mold provided by the embodiment of the third aspect of the present invention includes a base 11 for supporting the whole die 10, the die 10 connected to the feeding channel is installed on the base 11, and the number of die parts installed on the die 10 is not specifically limited herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An extrusion head assembly, comprising: sieve (1), mold core (2), mold cup (3) and bush (4) of axial lead coincidence, wherein:
along the extrusion direction of the medium, the mold core (2) is positioned at the rear side of the sieve plate (1) and is fixedly connected with the columnar part of the sieve plate (1) facing one side of the mold core (2);
the mold cup (3) is arranged on the rear side of the sieve plate (1), and an extrusion cavity is formed among the mold cup, the mold core (2) and the columnar part;
the neck ring mold (4) is positioned in the mold cup (3) and sleeved outside the mold core (2); along the extrusion direction of the medium, an inverted-bell-mouth-shaped channel is formed on the inner wall of the mouth mold (4), an extrusion opening is formed at the rear end of the mouth mold (4), and the distance between the inner wall of the inverted-bell-mouth-shaped channel and the outer surface of the mold core (2) is gradually reduced;
sieve (1) is including the sieve material portion that has loop configuration, just sieve material portion evenly is equipped with a plurality of running through sieve (1) and with the through-hole that extrusion chamber intercommunication so that the medium can pass through, just sieve (1) deviates from the surface of mold core (2) is formed with and is used for the medium direction the toper arch of sieve material portion.
2. Extrusion head assembly according to claim 1, wherein the screen plate (1) and the mould core (2) have a unitary structure; or,
the sieve plate (1) is in threaded connection with the mold core (2).
3. Extrusion head assembly according to claim 2, wherein the cylindrical part is provided with a threaded hole for connecting the mould core (2) when the screen plate (1) is in threaded connection with the mould core (2), the mould core (2) being provided with an external thread cooperating with the threaded hole; or,
the mold core (2) is provided with a threaded hole used for connecting the columnar part, and the columnar part is provided with an external thread matched with the threaded hole.
4. A die component comprising the extrusion head assembly of any of claims 1 to 3.
5. The die component of claim 4, further comprising a die base (5), a die chamber (6) and a die cover (7) arranged in this order along the extrusion direction of the medium; wherein,
a first cavity for accommodating a medium is arranged in the die head base (5);
a second cavity communicated with the first cavity is arranged in the die chamber (6), and the axis of the second cavity is superposed with the axis of the first cavity; the die chamber (6) is detachably connected with the die head base (5); the extrusion head assembly is arranged in the die chamber (6), and the conical bulge of the sieve plate (1) points to the opposite direction of the medium extrusion direction;
the mould cover (7) is detachably connected with the mould chamber (6).
6. The die component according to claim 5, characterized in that the die chamber (6) is provided with a first axial positioning surface on the side facing the extrusion head assembly, the die cover (7) is provided with a second axial positioning surface on the side facing the die chamber (6), and the side of the screening portion of the screening plate (1) facing the conical projection is abutted against the first axial positioning surface; and one side of a die cup (3) in the extrusion head assembly, which is deviated from the sieve plate (1), is propped against the second axial positioning surface.
7. The die head component of claim 5, further comprising a water transport pipe (8) sleeved outside the die chamber (6), wherein an annular groove is formed in the outer wall of the die chamber (6), and the water transport pipe (8) is matched with the annular groove.
8. The die component according to claim 7, characterized in that the die chamber (6) is further provided with a self-aligning screw (9) for adjusting the axial center line of the die cup (3).
9. A plastics moulding tool comprising a plurality of die members according to any one of claims 4 to 8.
10. A plastic molding die as claimed in claim 9, further comprising:
the die head (10) is connected with the feeding channel, and a plurality of die head parts are connected to the die head (10);
a base (11) for supporting the entire die head (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720094830.4U CN206568527U (en) | 2017-01-24 | 2017-01-24 | Extrude head assembly, part of the die head and mould for plastics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720094830.4U CN206568527U (en) | 2017-01-24 | 2017-01-24 | Extrude head assembly, part of the die head and mould for plastics |
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| CN206568527U true CN206568527U (en) | 2017-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827447A (en) * | 2017-01-24 | 2017-06-13 | 邓明财 | Extrusion head assembly, part of the die head and mould for plastics |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827447A (en) * | 2017-01-24 | 2017-06-13 | 邓明财 | Extrusion head assembly, part of the die head and mould for plastics |
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