CN208645972U - Three layers of head cored structure of blow moulding machine list accumulator - Google Patents
Three layers of head cored structure of blow moulding machine list accumulator Download PDFInfo
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- CN208645972U CN208645972U CN201821430712.7U CN201821430712U CN208645972U CN 208645972 U CN208645972 U CN 208645972U CN 201821430712 U CN201821430712 U CN 201821430712U CN 208645972 U CN208645972 U CN 208645972U
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Abstract
The utility model discloses a kind of three layers of head cored structure of blow moulding machine list accumulator, belong to blow molding technique field, the process requirements that existing blow moulding machine list accumulator is unable to meet production the plastic products of three-layer pipe base are solved, three layers of head cored structure of blow moulding machine list accumulator of this case include storing core, the first charging dispensing body, the second charging dispensing body, storing cylinder barrel, extrusion die, middle layer conveyor screw, outer layer conveyor screw, intermediate ring, binder ring；This case is made up of the structure of single accumulator setting storing core and storing cylinder barrel, and three layers of head cored structure are constituted by setting middle layer conveyor screw, outer layer conveyor screw and intermediate ring, and in sequentially forming, in, outer three laminar flow road, it can be used for squeezing out three-layer pipe base, it is axially moveable in storing channel using binder ring, and by extrusion die by three-layer pipe base extrusion molding, needed for the technique that can satisfy the plastic products of production three-layer pipe base.
Description
Technical field
The utility model relates to blow molding technique field, in particular to a kind of three layers of head core of blow moulding machine list accumulator
Structure.
Background technique
With the continuous improvement of environmental requirement.Big blow-molded article, middle layer use reworked material, meet recycling coextrusion rule
Then.Inside and outside layer ensures total quality using new raw material simultaneously.Or outer layer is dark (blue), can resist ultraviolet light can be anti-light old
Change, internal layer is resin true qualities, it is ensured that the purity of content, use are safer.This, which just needs to obtain, meets blow-molded article technique and wants
The three-layer pipe base asked.Three layers of head of traditional technology are mostly three accumulators, respectively storing, and shooting distributes bluk recombination by another,
Cost is high, and volume is big, and required heating energy consumption is high.One as disclosed in the Chinese utility model patent of Publication No. CN204914535U
Kind blow moulding machine list accumulator bilayer handpiece structure, forms single accumulator by storing core and accumulator cylinder, and pass through external spiral
Body carries out uniform distribution to outer skin materials, and controls storing and discharging by the axial movement of binder ring, obtains the double-deck pipe.
But single accumulator bilayer handpiece structure of the structure is only capable of being unable to meet production three for the plastic products for producing the double-deck pipe
The plastic products of layer pipe, there is certain limitation.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of the utility model is to provide one kind can squeeze out three-layer plastic pipe
Three layers of head cored structure of blow moulding machine list accumulator.
In order to realize the purpose of above-mentioned utility model, the utility model adopts the following technical solution:
A kind of three layers of head cored structure of blow moulding machine list accumulator, comprising:
Storing core；
First charging dispensing body is coaxially set in the outside of the storing core and mutually consolidates with the upper end of the storing core
It is fixed, internal layer feed inlet, middle layer feed inlet and outer layer feed inlet are provided in the first charging dispensing body；
Second charging dispensing body is coaxially set in the outside of the storing core and the lower end with the first charging dispensing body
Portion is mutually fixed；
Storing cylinder barrel is coaxially set in the outside of the storing core and the lower end phase with the second charging dispensing body
It is fixed, storing channel is formed between storing outer core face and the inner wall of the storing cylinder barrel；
Extrusion die is mounted on the lower end of the storing cylinder barrel, is provided in the extrusion die and the storage
The extrusion manifold that material channel is connected；
Middle layer conveyor screw is coaxially set in the outside of the storing core, the upper end of the middle layer conveyor screw and institute
The the first charging dispensing body stated is mutually fixed, lower end extends in the storing cylinder barrel, the inner wall of the middle layer conveyor screw
The internal layer runner being connected with the internal layer feed inlet is provided between face and the outside wall surface of the storing core；
Outer layer conveyor screw, is coaxially set in the outside of the middle layer conveyor screw, the upper end of the outer layer conveyor screw with
The second charging dispensing body is mutually fixed, lower end extends in the storing cylinder barrel, outside the middle layer conveyor screw
The middle layer runner being connected with the middle layer feed inlet is provided between wall surface and the inner wall of the outer layer conveyor screw；
Intermediate ring is coaxially set in the outside of the outer layer conveyor screw, the upper end of the intermediate ring and described second
Mutually fixed, lower end extends in the storing cylinder barrel charging dispensing body, the outside wall surface of the outer layer conveyor screw and it is described in
Between ring inner wall between form the outer layer runner that is connected with the outer layer feed inlet；
Binder ring is coaxially set in the outside of the intermediate ring and can be axially moveable in the storing channel；
The internal layer runner, the middle layer runner, the outer layer runner jointly with the storing channel phase
Connection.
In above-mentioned technical proposal, it is preferred that the internal layer runner is provided in the outside wall surface of the storing core, described
Middle layer runner is provided in the outside wall surface of the middle layer conveyor screw, and the outer layer runner is provided with the outer layer conveyor screw
Outside wall surface on, the internal layer runner, middle layer runner and outer layer runner extend spirally respectively in axial direction.
In above-mentioned technical proposal, it is preferred that the outside wall surface of the outer layer conveyor screw is interior with the second charging dispensing body
The diversion channel for being connected to the outer layer feed inlet and the outer layer runner is provided between wall surface.
In above-mentioned technical proposal, it is preferred that the diversion channel has multiple, and multiple diversion channels are evenly distributed on institute
It states in the outside wall surface of outer layer conveyor screw and extends along axial screw.
In above-mentioned technical proposal, it is preferred that the internal layer runner, the middle layer runner, the outer layer runner
Three's intersection is compiled at one.
In above-mentioned technical proposal, it is preferred that the extrusion die includes core model and mouth mold, and the core model is coaxially arranged
In the outside of the storing core, the mouth mold is coaxially set in the outside of the core model and the lower end with the storing cylinder barrel
It is mutually fixed, the extrusion manifold is formed between the outside wall surface of the core model and the inner wall of the mouth mold.
In above-mentioned technical proposal, it is preferred that the storing in-core coaxial sleeve is equipped with aligning bar.
In above-mentioned technical proposal, it is preferred that having heaters is set in the outside wall surface of the storing cylinder barrel.
In above-mentioned technical proposal, it is preferred that be provided with the gas vent for being connected to the storing channel on the storing cylinder barrel.
The utility model obtains compared with prior art following the utility model has the advantages that this case passes through setting storing core and storing cylinder barrel
The structure of single accumulator is constituted, and three layers of head core are constituted by setting middle layer conveyor screw, outer layer conveyor screw and intermediate ring
Portion's structure, and in sequentially forming, in, outer three laminar flow road, can be used for squeezing out three-layer pipe base, using binder ring in storing channel edge
Axial movement, and three-layer pipe base extrusion molding can satisfy by the work of the plastic products of production three-layer pipe base by extrusion die
Needed for skill.
Detailed description of the invention
Attached drawing 1 is that the main cross-sectional schematic diagram of blow moulding machine list three layers of head cored structure of accumulator of the utility model (is not stored up
Material state)；
Attached drawing 2 is the main cross-sectional schematic diagram (storing of three layers of head cored structure of blow moulding machine list accumulator of the utility model
State)；
Attached drawing 3 is the diagrammatic cross-section in attached drawing 2 along A-A cutting line；
Attached drawing 4 is the partial enlargement diagram in attached drawing 2 at B；
Attached drawing 5 is the partial enlargement diagram in attached drawing 2 at C；
Wherein: 100, three layers of head cored structure of blow moulding machine list accumulator；1, storing core；11, internal layer runner；12, aligning
Bar；2, the first charging dispensing body；21, internal layer feed inlet；22, middle layer feed inlet；23, outer layer feed inlet；3, the second charging point
Ligand；4, storing cylinder barrel；41, storing channel；42, heater；43, gas vent；5, extrusion die；51, core model；52, mouth mold；
53, extrusion manifold；6, middle layer conveyor screw；61, middle layer runner；7, outer layer conveyor screw；71, outer layer runner；72, diversion channel；
8, intermediate ring；9, binder ring.
Specific embodiment
By the technology contents of utility model are described in detail, construction feature, are reached purpose and efficacy, below in conjunction with implementation
Example simultaneously cooperates attached drawing to be described in detail.
Three layers of head cored structure 100 of blow moulding machine list accumulator of this case include that storing core 1, first feeds dispensing body 2, the
Two charging dispensing body 3, storing cylinder barrel 4, extrusion die 5, middle layer conveyor screw 6, outer layer conveyor screw 7, intermediate ring 8, binder ring 9.
The composition and its working principle of each structure are illustrated below in conjunction with 1~attached drawing of attached drawing 5；Wherein, described in the present embodiment
Overlying relation is corresponding with the positional relationship of storing core shown in attached drawing 1, and the axial direction is that storing core vertically prolongs
The direction stretched；The radial direction is the radiation direction of the section circle radius along storing core.
With reference to the accompanying drawings shown in 1~attached drawing 2, storing core 1 is vertically extended, and the outside of storing core 1 is coaxially arranged respectively
There are the first charging dispensing body 2, second charging dispensing body 3, storing cylinder barrel 4, middle layer conveyor screw 6, outer layer conveyor screw 7, intermediate ring 8
And binder ring 9.
First charging dispensing body 2 and the upper end of storing core 1 are mutually fixed, in conjunction with shown in attached drawing 3, the first charging dispensing body 2
On be provided with internal layer feed inlet 21, middle layer feed inlet 22 and outer layer feed inlet 23.
The lower end of second charging dispensing body 3 and the first charging dispensing body 1 is mutually fixed.
The lower end of storing cylinder barrel 4 and the second charging dispensing body 3 is mutually fixed, inner wall and the storing core 1 of storing cylinder barrel 4
Storing channel 41 is formed between outside wall surface.Binder ring 9 is located in storing channel 41 and being capable of lower movement vertically.In order to make object
Material melts, and having heaters 42 is arranged in the outside wall surface of storing cylinder barrel 4.In order to which the exhaust gas inside material is discharged, set on storing cylinder barrel 4
It is equipped with the gas vent 43 in connection storing channel 41.
Extrusion die 5 includes core model 51 and mouth mold 52, and core model 51 is coaxially set in the outside of storing core 1, and mouth mold 52 is coaxial
It is set in the outside of core model 51 and is mutually fixed with the lower end of storing cylinder barrel 4, the outside wall surface of core model 51 and the inner wall of mouth mold 52
Between formed extrusion manifold 53.
2 phase of dispensing body is fixed, lower end extends in storing cylinder barrel 4 with the first charging for the upper end of middle layer conveyor screw 6,
The inner laminar flow being connected with internal layer feed inlet 21 is provided between the inner wall of middle layer conveyor screw 6 and the outside wall surface of storing core 1
Road 11.Specifically, internal layer runner 11 is provided in the outside wall surface of storing core 1 and extends along axial screw in conjunction with shown in attached drawing 5.
3 phase of dispensing body is fixed, lower end extends in storing cylinder barrel 4 with the second charging for the upper end of outer layer conveyor screw 7, in
It is provided between the outside wall surface of interbed conveyor screw 6 and the inner wall of outer layer conveyor screw 7 in being connected with middle layer feed inlet 22
Interbed runner 61.Specifically, middle layer runner 61 is provided in the outside wall surface of middle layer conveyor screw 6 and edge in conjunction with shown in attached drawing 5
Axial screw extends.
3 phase of dispensing body is fixed, lower end extends in storing cylinder barrel 4, outer layer spiral shell with the second charging for the upper end of intermediate ring 8
It revolves and forms the outer layer runner 71 being connected with outer layer feed inlet 23 between the outside wall surface of body 7 and the inner wall of intermediate ring 8.Specifically
, in conjunction with shown in attached drawing 5, outer layer runner 71 is provided in the outside wall surface of outer layer conveyor screw 7 and extends along axial screw.In conjunction with attached
Shown in Fig. 4, it is provided between the outside wall surface of outer layer conveyor screw 7 and the inner wall of the second charging dispensing body 3 and is connected to outer layer feed inlet
23 and outer layer runner 71 diversion channel 72.Specifically, offering four diversion channels 72 in the outside wall surface of outer layer conveyor screw 7, this four
Diversion channel 72 is uniformly provided in the outside wall surface of outer layer conveyor screw 7 and extends along axial screw.In other embodiments, it shunts
The number of slot is not limited to described above four, be also possible to it is more a plurality of, the purpose of diversion channel be connected to outer layer feed inlet and
Outer layer runner, and buffer function is played before material enters outer layer runner.
Internal layer runner 11, middle layer runner 61,71 three of outer layer runner intersection are compiled at one, form compound runner, this is multiple
Interflow road is connected with storing channel 41, and storing channel 41 is connected with extrusion manifold 53 again, to realize three-layer plastic
The product of pipe squeezes out, and meets needed for technique.
In order to adjust the thickness of extrusion plastic products, the inside coaxial sleeve of storing core 1 is equipped with aligning bar 12, passes through aligning bar
12 drive core models 51 move up and down, to change the width degree of extrusion manifold 53, to realize the plastic tube for squeezing out different-thickness
Base.
The working principle of blow moulding machine list three layers of head cored structure 100 of accumulator of this case is as follows: the material of three kinds of pipes
Entered in equivalent layer runner by internal layer feed inlet 21, middle layer feed inlet 22 and outer layer feed inlet 23 respectively, it is then common to hand over
It is compiled in compound runner and enters in storing channel 41, then binder ring 9 floats since the entrance of material is slowly upward, and passes through
Gas vent 43 will be outside the exhaust gas discharge storing cylinder barrel 4 inside material；After material storage expires storing cylinder barrel 4, binder ring 9 is in storing
It is axially downward in channel 41, and material is pushed into extrusion manifold 53, three-layer plastic needed for final extrusion meets technique
Pipe product.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent changes or modifications made according to the spirit of the present invention should be covered within the scope of the utility model.
Claims (9)
1. a kind of three layers of head cored structure of blow moulding machine list accumulator characterized by comprising
Storing core (1)；
First charging dispensing body (2), is coaxially set in the outside of the storing core (1) and the upper end with the storing core (1)
It is mutually fixed, be provided in first charging dispensing body (2) internal layer feed inlet (21), middle layer feed inlet (22) and outer layer into
Material mouth (23)；
Second charging dispensing body (3) is coaxially set in the outside of the storing core (1) and feeds dispensing body (2) with described first
Lower end mutually fix；
Storing cylinder barrel (4) is coaxially set in the outside of the storing core (1) and feeds under dispensing body (3) with described second
End is mutually fixed, and forms storing channel (41) between storing core (1) outside wall surface and the inner wall of the storing cylinder barrel (4)；
Extrusion die (5), is mounted on the lower end of the storing cylinder barrel (4), be provided in the extrusion die (5) with it is described
The extrusion manifold (53) that is connected of storing channel (41)；
Middle layer conveyor screw (6) is coaxially set in the outside of the storing core (1), the upper end of the middle layer conveyor screw (6)
Interior, the middle layer spiral shell with the storing cylinder barrel (4) described in first charging dispensing body (2) is mutually fixed, lower end extends to
It revolves to be provided between the inner wall and the outside wall surface of the storing core (1) of body (6) and be connected with the internal layer feed inlet (21)
Internal layer runner (11)；
Outer layer conveyor screw (7) is coaxially set in the outside of the middle layer conveyor screw (6), the upper end of the outer layer conveyor screw (7)
Mutually fixation, lower end extend in the storing cylinder barrel (4) with second charging dispensing body (3) in portion, the middle layer
It is provided between the outside wall surface of conveyor screw (6) and the inner wall of the outer layer conveyor screw (7) and the middle layer feed inlet (22)
The middle layer runner (61) being connected；
Intermediate ring (8), is coaxially set in the outside of the outer layer conveyor screw (7), the upper end of the intermediate ring (8) and described
Second charging dispensing body (3) is mutually fixed, lower end extends in the storing cylinder barrel (4), outside the outer layer conveyor screw (7)
The outer layer runner (71) being connected with the outer layer feed inlet (23) is formed between wall surface and the inner wall of the intermediate ring (8)；
Binder ring (9), is coaxially set in the outside of the intermediate ring (8) and can be in the storing channel (41) along axial direction
It is mobile；
The internal layer runner (11), the middle layer runner (61), the outer layer runner (71) jointly with the storage
Material channel (41) is connected.
2. three layers of head cored structure of blow moulding machine list accumulator according to claim 1, it is characterised in that: the internal layer
Runner (11) is provided in the outside wall surface of the storing core (1), and the middle layer runner (61) is provided with the middle layer spiral shell
In the outside wall surface for revolving body (6), the outer layer runner (71) is provided in the outside wall surface of the outer layer conveyor screw (7), described
Internal layer runner (11), middle layer runner (61) and outer layer runner (71) extend spirally respectively in axial direction.
3. three layers of head cored structure of blow moulding machine list accumulator according to claim 1, it is characterised in that: the outer layer spiral shell
It revolves to be provided between the outside wall surface of body (7) and the inner wall of second charging dispensing body (3) and is connected to the outer layer feed inlet
(23) and the diversion channel (72) of the outer layer runner (71).
4. three layers of head cored structure of blow moulding machine list accumulator according to claim 3, it is characterised in that: the shunting
Slot (72) has multiple, and multiple diversion channels (72) are evenly distributed in the outside wall surface of the outer layer conveyor screw (7) and along axis
To extending spirally.
5. three layers of head cored structure of blow moulding machine list accumulator according to claim 1, it is characterised in that: the internal layer
Runner (11), the middle layer runner (61), outer layer runner (71) the three intersection are compiled at one.
6. three layers of head cored structure of blow moulding machine list accumulator according to claim 1, it is characterised in that: the extrusion
Mold (5) includes core model (51) and mouth mold (52), and the core model (51) is coaxially set in the outside of the storing core (1), institute
The mouth mold (52) stated coaxially is set in the outside of the core model (51) and mutually fixes with the lower end of the storing cylinder barrel (4), institute
It states and forms the extrusion manifold (53) between the outside wall surface of core model (51) and the inner wall of the mouth mold (52).
7. three layers of head cored structure of blow moulding machine list accumulator according to claim 1, it is characterised in that: the storing core
(1) interior coaxial sleeve is equipped with aligning bar (12).
8. three layers of head cored structure of blow moulding machine list accumulator according to claim 1, it is characterised in that: the accumulator
Having heaters (42) are set in the outside wall surface of cylinder (4).
9. three layers of head cored structure of blow moulding machine list accumulator according to claim 1, it is characterised in that: the storing
The gas vent (43) for being connected to the storing channel (41) is provided on cylinder barrel (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821430712.7U CN208645972U (en) | 2018-09-03 | 2018-09-03 | Three layers of head cored structure of blow moulding machine list accumulator |
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|---|---|---|---|
| CN201821430712.7U CN208645972U (en) | 2018-09-03 | 2018-09-03 | Three layers of head cored structure of blow moulding machine list accumulator |
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| CN208645972U true CN208645972U (en) | 2019-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843190A (en) * | 2019-12-09 | 2020-02-28 | 苏州同大机械有限公司 | Three-layer flow guide storage type die head device of blow molding machine |
| CN114506058A (en) * | 2022-01-25 | 2022-05-17 | 苏州金纬中空技术有限公司 | Single storage cylinder three-layer machine head core structure for blow molding machine |
-
2018
- 2018-09-03 CN CN201821430712.7U patent/CN208645972U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843190A (en) * | 2019-12-09 | 2020-02-28 | 苏州同大机械有限公司 | Three-layer flow guide storage type die head device of blow molding machine |
| CN110843190B (en) * | 2019-12-09 | 2021-11-05 | 苏州同大机械有限公司 | Three-layer flow guide storage type die head device of blow molding machine |
| CN114506058A (en) * | 2022-01-25 | 2022-05-17 | 苏州金纬中空技术有限公司 | Single storage cylinder three-layer machine head core structure for blow molding machine |
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