CN110328824A - Co-extruder head mold - Google Patents
Co-extruder head mold Download PDFInfo
- Publication number
- CN110328824A CN110328824A CN201910540089.3A CN201910540089A CN110328824A CN 110328824 A CN110328824 A CN 110328824A CN 201910540089 A CN201910540089 A CN 201910540089A CN 110328824 A CN110328824 A CN 110328824A
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- China
- Prior art keywords
- die holder
- shunting
- cavity
- internal layer
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000002826 coolant Substances 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 19
- 210000003205 muscle Anatomy 0.000 claims description 18
- 238000005253 cladding Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 238000001727 in vivo Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 89
- 238000001125 extrusion Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000004078 cryogenic material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of co-extruder head mold, including the first die holder, the second die holder, internal layer shunting body, mouth mold, plug, separator, outer layer diversion sleeve, the first tuningout part and the second tuningout part；The first cavity is offered in first die holder, the second cavity is offered in the second die holder, and the first die holder is connect with the second die holder, and the first cavity is connected to form inner cavity with the second cavity；Internal layer shunting body be set to it is interior intracavitary, mouth mold is limited in the second cavity far from first cavity one end, and plug is set to internal layer shunting body far from first cavity one end；Separator is arranged around shunting body and plug, and separator and internal layer shunting body and plug interval form internal layer runner, separator and the second die holder and mouth mold interval forms outer layer runner；First tuningout part is set on the first die holder, and the first tuningout part passes through the side wall of the first die holder and against internal layer shunting body；Second tuningout part is set on the second die holder, and the second tuningout part passes through the side wall of the second die holder and against mouth mold.
Description
[technical field]
The present invention relates to machine die technical field more particularly to a kind of co-extruder head molds.
[background technique]
Currently, co-extruding machine head still uses the mold of single wall pipe die during the manufacturing of Double-layer plastic pipe
Structure.Wherein, the adjusting of pipe wall thickness uniformity is realized by adjusting the degree of eccentricity of mouth mold, but this mode can only generally be adjusted
The degree of eccentricity for saving tubing total wall thickness, cannot achieve the adjusting of the single layer wall thickness degree of eccentricity, thus be difficult to ensure every layer of uniform wall thickness, no
Inclined wall phenomenon is generated, the quality of product is caused to cannot be guaranteed.In consideration of it, it is really necessary to provide a kind of co-extruder head mold
To overcome drawbacks described above.
[summary of the invention]
The object of the present invention is to provide a kind of co-extruder head mold, structure is simple, it can be achieved that every layer in Double-layer pipe
The adjusting of the wall thickness degree of eccentricity guarantees product quality.
To achieve the goals above, the present invention provides a kind of co-extruder head mold, including the first die holder, the second mould
Seat, internal layer shunting body, mouth mold, plug, separator, outer layer diversion sleeve, the first tuningout part and the second tuningout part；First die holder
The first cavity is inside offered, the second cavity is offered in second die holder, first die holder is connect with second die holder,
First cavity is connected to form inner cavity with second cavity；The internal layer shunting body is set to described interior intracavitary, the mouth
Mould is limited in one end in second cavity far from first cavity, and the plug is set on the internal layer shunting body far
One end from first cavity forms between the plug and the mouth mold and squeezes out die cavity；The separator is around described point
Fluid and plug setting, interval is between the separator and the internal layer shunting body and the plug to form inner laminar flow
Road, the internal layer shunting body is for be further separated into the internal layer runner inner layer material；The separator and described the
To form outer layer runner, the outer layer diversion sleeve is arranged around the separator and is used for externally for two die holders and the mouth mold interval
Layer material be further separated into the outer layer runner；The first tuningout part is set on first die holder, and described first
Tuningout part passes through the side wall of first die holder and against the internal layer shunting body；The second tuningout part is set to described second
On die holder, the second tuningout part passes through the side wall of second die holder and against the mouth mold.
In a preferred embodiment, the outer surface of first die holder is surrounded with primary heater, and described
The outer surface of two die holders is surrounded with secondary heater；The separator includes collet, the collet and the outer layer
There are gaps between diversion sleeve.
In a preferred embodiment, the separator further includes coolant jacket and separates set, and the coolant jacket is around institute
The setting of internal layer shunting body is stated, the collet and coolant jacket are tightly connected, and are equipped between the collet and the coolant jacket
Cooling channel；The separation set is connected to the one end of the coolant jacket far from first die holder, and the separation set is around described
Plug setting.
In a preferred embodiment, the outer surface of the coolant jacket offers spiral cooling bath, described cold
But slot is for flow-through fluid medium to form the cooling channel；The co-extruder head mold further include cooling inlet tube with
Coolant outlet pipe, the cooling inlet tube and the coolant outlet pipe are through the primary heater and first die holder, institute
State the connection of cooling bath described in cooling inlet tube and the coolant outlet Guan Junyu.
In a preferred embodiment, the internal layer shunting body includes shunting ontology, spreader and shunting bracket, described
The one end for shunting ontology is fixedly connected with the plug, and the spreader is connected to one of the shunting ontology far from the plug
End, the shunting bracket are fixedly connected on the shunting ontology and are arranged close to the spreader；The shunting bracket includes
It adjusts ring and shunts muscle, the adjusting ring is arranged around the shunting ontology and with the shunting ontology interval, the shunting muscle
Quantity at least two, the shunting muscle is evenly distributed on the shunting ontology and the tune by axle center of the shunting ontology
It saves between ring, is fixedly connected with the adjusting ring with the shunting ontology by the shunting muscle；The first tuningout part against
In the outer wall for adjusting ring.
In a preferred embodiment, the first axially disposed air flue, the core are offered in the shunting ontology
Offered in stick along axially through the second air flue, first air flue be connected to second air flue, divides described at least one
The tracheal entrance being connected to first air flue is offered in stream muscle.
In a preferred embodiment, the one end of the outer layer diversion sleeve far from the mouth mold and second die holder are tight
It is solidly connected, one end of the outer layer diversion sleeve extends vertically to form positioning region away from the axis direction of the outer layer diversion sleeve, institute
It states positioning region to be embedded between first die holder and second die holder, by lock screw by the positioning region and described second
Die holder is fixedly connected.
It in a preferred embodiment, further include pressing plate, the pressing plate is fixed on second die holder far from described
One end of one die holder, the pressing plate is for the mouth mold to be limited in second cavity, and the primary heater is by described
First die holder extends and surround the pressing plate to the direction far from second die holder, and the pressing plate is offered for the mouth mold
The limit hole being pierced by.
In a preferred embodiment, internal layer thermometer hole is offered inside the internal layer shunting body, inside the pressing plate
Offer outer layer thermometer hole.
In a preferred embodiment, the plug is in truncated cone, the first tuningout part and second tuningout
Part is tuningout screw, and the diameter of the outer layer runner and the internal layer runner is from first cavity to second cavity
Direction is gradually reduced.
Compared with prior art, the beneficial effects of the present invention are: adjusted respectively by the first tuningout part and the second tuningout part
The position of internal layer shunting body and mouth mold is saved, realizes the adjusting of every layer of wall thickness degree of eccentricity in Double-layer pipe, avoids the occurrence of eccentric, wall thickness
Phenomena such as uneven, to improve the quality of product.
For enable invention above objects, features, and advantages be clearer and more comprehensible, present pre-ferred embodiments are cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
[Detailed description of the invention]
Fig. 1 is the three-dimensional structure diagram for the co-extruder head mold that present pre-ferred embodiments provide；
Fig. 2 is the front view of co-extruder head mold shown in FIG. 1；
Fig. 3 is the cross-sectional view shown in Fig. 2 along the direction A-A；
Fig. 4 is the cross-sectional view shown in Fig. 2 along the direction B-B.
Drawing reference numeral explanation: the first die holder 10, the first cavity 11, internal layer runner 111, first connecting portion 12, first connect
Cavity 121, primary heater 13, the second die holder 20, the second cavity 21, outer layer runner 211, second connecting portion 22, second connect
Cavity 221, secondary heater 23, pressing plate 24, limit hole 241, outer layer thermometer hole 242, internal layer shunting body 30, shunt ontology 31,
First air flue 311, spreader 32, shunt bracket 33, adjust ring 331, shunt muscle 332, tracheal entrance 3321, air inlet pipe 3322,
It is internal layer thermometer hole 34, mouth mold 40, plug 50, the second air flue 51, separator 60, collet 61, coolant jacket 62, cooling bath 621, cold
But inlet tube 6211, coolant outlet pipe 6212, separation set 63, outer layer diversion sleeve 70, positioning region 71, screw 72, positioning protrusion
711, the first tuningout part 80, the second tuningout part 90.
[specific embodiment]
It is clear in order to be more clear the purpose of the present invention, technical solution and advantageous effects, below in conjunction with attached drawing and
Specific embodiment, the present invention will be described in further detail.It should be understood that specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
It please refers to Fig.1 to Fig.3, the embodiment of the present invention provides a kind of co-extruder head mold, including the first die holder 10,
Two die holders 20, internal layer shunting body 30, mouth mold 40, plug 50, separator 60, outer layer diversion sleeve 70, the first tuningout part 80 and second
Tuningout part 90.
The first cavity 11 is offered in first die holder 10, and the second cavity 21, the first die holder 10 are offered in the second die holder 20
It is connect with the second die holder 20, the first cavity 11 is connected to form inner cavity with the second cavity 21.Internal layer shunting body 30 be set to it is interior intracavitary,
Mouth mold 40 is limited in one end in the second cavity 21 far from the first cavity 11, and plug 50 is set on internal layer shunting body 30 far from the
One end of one cavity 11 forms between plug 50 and mouth mold 40 and squeezes out die cavity.
In present embodiment, the first die holder 10 is equipped with first connecting portion 12, the first connection far from one end of the second die holder 20
Portion 12 has and the first cavity 11 is connected to first connect cavity 121, and first connecting portion 12 and the first die holder 10 can be one
Molding structure, first connecting portion 12 are used for the inner layer material of connecting extruder transporting molten into the first cavity 11.Second die holder
20 side is equipped with second connecting portion 22, and second connecting portion 22 has and the second cavity 21 is connected to second connect cavity 221, the
Two interconnecting pieces 22 are used for the cladding material of connecting extruder transporting molten into the second cavity 21.
Specifically, 60 wrappage around internal layer shunting body 30 of separator and plug 50 are arranged, separator 60 and internal layer shunting body 30 and
It is spaced between plug 50 to form internal layer runner 111, internal layer shunting body 30 is used to inner layer material being further separated into internal layer runner 111
It is interior.Separator 60 and the second die holder 20 and the interval of mouth mold 40 are to form outer layer runner 211, and outer layer diversion sleeve 70 is around separator 60
It is arranged and is used to for cladding material being further separated into outer layer runner 211.Specifically, section of internal layer runner 111 and outer layer runner 211
Face is in a ring.
First tuningout part 80 is set on the first die holder 10, the first tuningout part 80 pass through the first die holder 10 side wall and against
Internal layer shunting body 30, to adjust internal layer shunting body 30 to guarantee the internal layer concentricity of extruding pipe material.The setting of second tuningout part 90
In on the second die holder 20, the second tuningout part 90 passes through the side wall of the second die holder 20 and against mouth mold 40, thus adjust mouth mold 40 with
Guarantee the outer layer concentricity of extruding pipe material.
Also referring to Fig. 3 and Fig. 4, the outer surface of the first die holder 10 is surrounded with primary heater 13, the second die holder
20 outer surface is surrounded with secondary heater 23, and primary heater 13 and secondary heater 23 are respectively used to inner layer material
The co-extrusion, it can be achieved that different melting points material is heated with cladding material, and cryogenic material is avoided to generate thermal decomposition.Wherein, divide
Spacing body 60 includes collet 61, and there are gaps between collet 61 and outer layer diversion sleeve 70, to avoid 111 He of internal layer runner is influenced
The mutual temperature of outer layer runner 211 is adjusted.In present embodiment, the diameter of outer layer runner 211 and internal layer runner 111 is from
One cavity 11 is gradually reduced to the direction of the second cavity 21, to realize the high pressure extrusion molding of layer materials.
Further, separator 60 further includes coolant jacket 62 and separates set 63, and 62 wrappage around internal layer shunting body 30 of coolant jacket is set
It sets, collet 61 and coolant jacket 62 are tightly connected, and cooling channel is equipped between collet 61 and coolant jacket 62, to realize head
Cooling cycle when mold temperature is excessively high.Separate set 63 and be connected to the one end of coolant jacket 62 far from the first die holder 10, separates set 63
It is arranged around plug 50.
Specifically, plug 50 is in truncated cone, separates set 63 and the shape of plug 50 cooperates, the first tuningout part 80 and second
Tuningout part 90 is tuningout screw, can adjust according to specific needs tuningout screw screw-in position, using separator 60 as
Referring to body, so as to adjust internal layer shunting body 30 or the position of mouth mold 40.First tuningout part 80 and the second tuningout part 90 include tuningout
The quantity of screw can be two or more, such as 2,3,4,6 etc., with specific reference to needing to set.
In present embodiment, the outer surface of coolant jacket 62 offers spiral cooling bath 621, and cooling bath 621 is used for
For flow-through fluid medium to form above-mentioned cooling channel, fluid media (medium) can be coolant liquid body or cooling gas.It is appreciated that this
In embodiment, co-extruder head mold 100 further includes cooling inlet tube 6211 and coolant outlet pipe 6212, cooling inlet tube
6211 run through primary heater 13 and the first die holder 10, cooling inlet tube 6211 and coolant outlet pipe with coolant outlet pipe 6212
6212 are connected to cooling bath 621.
Specifically, internal layer shunting body 30 includes shunting ontology 31, spreader 32 and shunting bracket 33, the one of ontology 31 is shunted
End is fixedly connected with plug 50, and spreader 32, which is connected to, shunts the one end of ontology 31 far from plug 50, shunts the fixed company of bracket 33
It is connected to and shunts on ontology 31 and be arranged close to spreader 32.In present embodiment, shunting bracket 33 includes adjusting ring 331 and shunting
Muscle 332 adjusts ring 331 around shunting ontology 31 and being arranged with the interval of ontology 31 is shunted, and the quantity for shunting muscle 332 is at least two
A, shunting muscle 332 to shunt ontology 31 is that axle center is evenly distributed between shunting ontology 31 and adjusting ring 331, passes through and shunts muscle
332 by adjust ring 331 with shunt ontology 31 is fixedly connected, to support spreader 32, at the same shunt muscle 332 can will by shunting
The inner layer material of cone 32 is further separated into internal layer runner 111.It is appreciated that the first tuningout part 80, which is resisted against, adjusts the outer of ring 331
Wall realizes that the position of internal layer shunting body 30 is adjusted by pusher collar 331.
Further, it shunts in ontology 31 and offers the first axially disposed air flue 311, offer in plug 50 along axis
To the second air flue 51 of perforation, the first air flue 311 is connected to the second air flue 51, at least one is shunted offers and the in muscle 332
The tracheal entrance 3321 of one air flue 311 connection passes through primary heater 13, the first die holder 10 by air inlet pipe 3322 and adjusts ring
331 connection tracheal entrances 3321, constitute the airflow channel of inflation.
In embodiments of the present invention, above-mentioned co-extruder head mold further includes pressing plate 24, and pressing plate 24 is fixed on second
The one end of die holder 20 far from the first die holder 10, pressing plate 24 is for mouth mold 40 to be limited in the second cavity 21, primary heater 13
Extend and surround pressing plate 24 from the first die holder 10 to the direction far from the second die holder 20, offers on pressing plate 24 and worn for mouth mold 40
Limit hole 241 out.
As shown in figure 3, offering internal layer thermometer hole 34 inside internal layer shunting body 30, outer layer thermometric is offered inside pressing plate 24
The extrusion temperature of inner layer material and cladding material is detected in hole 242 by internal layer thermometer hole 34 and outer layer thermometer hole 242 respectively, with
Realize the temperature automatically controlled function of primary heater 13 and secondary heater 23.In present embodiment, internal layer thermometer hole 34 specifically may be used
To be provided on the inner wall for shunting ontology 31, and 332 internal run-through of muscle is shunted with one of, to facilitate mounting temperature sensor
It is detected.
Further, the one end of outer layer diversion sleeve 70 far from mouth mold 40 is fastenedly connected with the second die holder 20.Present embodiment
In, one end of outer layer diversion sleeve 70 extends vertically to form positioning region 71 away from the axis direction of outer layer diversion sleeve 70, wherein positioning
Portion 71 is embedded between the first die holder 10 and the second die holder 20, is fixed positioning region 71 and the second die holder 20 by lock screw 72 and is connected
It connects.Preferably, the side of positioning region 71 extends to form positioning protrusion 711 towards the first die holder 10, is further ensured that outer layer shunts
Set 70 fixed stability and fastness.
Co-extruder head mold provided in an embodiment of the present invention is distinguished by the first tuningout part 80 and the second tuningout part 90
The position of internal layer shunting body 30 and mouth mold 40 is adjusted, realizes the adjusting of every layer of wall thickness degree of eccentricity in Double-layer pipe, is avoided the occurrence of partially
Phenomena such as heart, wall unevenness, to improve the quality of product.
It should be noted that co-extruder head mould structure provided in an embodiment of the present invention is also applied for multi-layer co-extruded machine
Head, for producing three layers or three layers or more of composite pipe.In one embodiment, the side setting and second of the second die holder 20
The head connector that interconnecting piece 22 is spaced, which is connected to above-mentioned inner cavity, for example, the head connector can be with the
Two interconnecting pieces 22 are oppositely arranged, the head connector by the melting charge of extruder be delivered in inner cavity and with above-mentioned inner layer material
And cladding material converges, to prepare three-layer composite pipe material.
The present invention is not only in the description and the implementation described, therefore for the personnel of familiar field
Other advantage and modification is easily implemented, therefore in the essence without departing substantially from universal defined by claim and equivalency range
In the case where mind and range, the present invention is not limited to specific details, representative equipment and diagrams shown and described herein
Example.
Claims (10)
1. a kind of co-extruder head mold, which is characterized in that including the first die holder, the second die holder, internal layer shunting body, mouth mold,
Plug, separator, outer layer diversion sleeve, the first tuningout part and the second tuningout part；The first cavity, institute are offered in first die holder
State and offer the second cavity in the second die holder, first die holder is connect with second die holder, first cavity with it is described
Second cavity is connected to form inner cavity；The internal layer shunting body be set to it is described interior intracavitary, the mouth mold is limited in second chamber
In vivo far from one end of first cavity, the plug is set to one far from first cavity on the internal layer shunting body
End forms between the plug and the mouth mold and squeezes out die cavity；The separator is arranged around the shunting body and the plug,
To form internal layer runner, the internal layer shunting body is used at interval between the separator and the internal layer shunting body and the plug
Inner layer material be further separated into the internal layer runner；The separator and second die holder and the mouth mold interval with
Outer layer runner is formed, the outer layer diversion sleeve is arranged around the separator and described in being used to be further separated into cladding material
In outer layer runner；The first tuningout part is set on first die holder, and the first tuningout part passes through first die holder
Side wall and against the internal layer shunting body；The second tuningout part is set on second die holder, the second tuningout part
Across second die holder side wall and against the mouth mold.
2. co-extruder head mold according to claim 1, which is characterized in that the outer surface of first die holder is surround
It is provided with primary heater, the outer surface of second die holder is surrounded with secondary heater；The separator includes heat-insulated
Set, there are gaps between the collet and the outer layer diversion sleeve.
3. co-extruder head mold according to claim 2, which is characterized in that the separator further include coolant jacket with
Separate set, the coolant jacket is arranged around the internal layer shunting body, and the collet and coolant jacket are tightly connected, and described heat-insulated
Cooling channel is equipped between set and the coolant jacket；The set that separates is connected to one of the coolant jacket far from first die holder
End, the separation is covered to be arranged around the plug.
4. co-extruder head mold according to claim 3, which is characterized in that the outer surface of the coolant jacket offers
Spiral cooling bath, the cooling bath is for flow-through fluid medium to form the cooling channel；The double-layer coextrusion machine
Head mold further includes cooling inlet tube and coolant outlet pipe, and the cooling inlet tube and the coolant outlet pipe run through described first
The connection of cooling bath described in heater and first die holder, the cooling inlet tube and the coolant outlet Guan Junyu.
5. co-extruder head mold according to claim 1, which is characterized in that the internal layer shunting body includes shunting this
Body, spreader and shunting bracket, described one end for shunting ontology are fixedly connected with the plug, and the spreader is connected to described
The one end of ontology far from the plug is shunted, the shunting bracket is fixedly connected on the shunting ontology and close to the shunting
Cone setting；The shunting bracket include adjust ring and shunt muscle, the adjustings ring surround the shunting ontology and with the shunting
The setting of ontology interval, the quantity at least two for shunting muscle, the shunting muscle uniformly divide using the shunting ontology as axle center
Cloth fixes the adjusting ring and the shunting ontology between the shunting ontology and the adjusting ring, through the shunting muscle
Connection；The first tuningout part is resisted against the outer wall for adjusting ring.
6. co-extruder head mold according to claim 5, which is characterized in that offer in the shunting ontology along axis
To the first air flue of setting, offered in the plug along axially through the second air flue, first air flue and described second
Air flue is connected to, and offers the tracheal entrance being connected to first air flue at least one described shunting muscle.
7. co-extruder head mold according to claim 1, which is characterized in that the outer layer diversion sleeve is far from the mouth
One end of mould is fastenedly connected with second die holder, and one end of the outer layer diversion sleeve deviates from the axle center side of the outer layer diversion sleeve
Positioning region is formed to extending vertically, the positioning region is embedded between first die holder and second die holder, by locking spiral shell
The positioning region is fixedly connected by silk with second die holder.
8. co-extruder head mold according to claim 2, which is characterized in that further include pressing plate, the pressing plate is fixed
In the one end of second die holder far from first die holder, the pressing plate is used to the mouth mold being limited in second cavity
Interior, the primary heater extends and surround the pressing plate, institute from first die holder to the direction far from second die holder
It states pressing plate and offers the limit hole being pierced by for the mouth mold.
9. co-extruder head mold according to claim 8, which is characterized in that offered inside the internal layer shunting body
Internal layer thermometer hole offers outer layer thermometer hole inside the pressing plate.
10. co-extruder head mold according to claim 1, which is characterized in that the plug is in truncated cone, described
First tuningout part and the second tuningout part are tuningout screw, and the diameter of the outer layer runner and the internal layer runner is described in
First cavity is gradually reduced to the direction of second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540089.3A CN110328824A (en) | 2019-06-21 | 2019-06-21 | Co-extruder head mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540089.3A CN110328824A (en) | 2019-06-21 | 2019-06-21 | Co-extruder head mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110328824A true CN110328824A (en) | 2019-10-15 |
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ID=68142303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910540089.3A Pending CN110328824A (en) | 2019-06-21 | 2019-06-21 | Co-extruder head mold |
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| CN (1) | CN110328824A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590168A (en) * | 2020-12-22 | 2021-04-02 | 青岛新大成塑料机械有限公司 | Multilayer drip irrigation pipe co-extrusion composite extrusion equipment |
| CN113043571A (en) * | 2021-04-12 | 2021-06-29 | 临海伟星新型建材有限公司 | Ultra-high molecular weight polyethylene pipe co-extrusion die and method |
| EP3974150A1 (en) * | 2020-09-28 | 2022-03-30 | TROESTER GmbH & Co. KG | Extrusion head and method of manufacturing an elongated hollow body using said extrusion head |
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| EP3974150A1 (en) * | 2020-09-28 | 2022-03-30 | TROESTER GmbH & Co. KG | Extrusion head and method of manufacturing an elongated hollow body using said extrusion head |
| US11865761B2 (en) | 2020-09-28 | 2024-01-09 | Troester Gmbh & Co. Kg | Extrusion head and method for producing an elongated hollow body by means of said extrusion head |
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| CN113043571A (en) * | 2021-04-12 | 2021-06-29 | 临海伟星新型建材有限公司 | Ultra-high molecular weight polyethylene pipe co-extrusion die and method |
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