CN109333966A - A kind of production of FRPP reinforcement tubing extrusion molding mould and production method - Google Patents
A kind of production of FRPP reinforcement tubing extrusion molding mould and production method Download PDFInfo
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- CN109333966A CN109333966A CN201811381830.8A CN201811381830A CN109333966A CN 109333966 A CN109333966 A CN 109333966A CN 201811381830 A CN201811381830 A CN 201811381830A CN 109333966 A CN109333966 A CN 109333966A
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- module
- water jacket
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- 238000001125 extrusion Methods 0.000 title claims abstract description 49
- 230000002787 reinforcement Effects 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000000465 moulding Methods 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000000748 compression moulding Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- 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
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
It include: tube extrusion die the invention discloses a kind of FRPP reinforcement tubing production extrusion molding mould and production method, extrusion molding mould, being pressed and molded material for pipe, the tube extrusion die includes die ontology, mouth mold and core model；Molding die, including it is connected to the subsequent molding water jacket of tube extrusion die core model, and the forming module of loopy moving is driven by molding machine, to be tubing to the further processing molding of pipe made of tube extrusion die.Using the present invention FRPP reinforcement tubing produced with bellmouth, tubing ontology and tubing bellmouth one-pass molding, the mode that the heating compared with the prior art dilates effectively prevent the problem of being easy to appear flaring deformation, it is good with dimensional uniformity, the advantage of high production efficiency.
Description
Technical field
The present invention relates to a kind of riffled tube tubing, relate in particular to the production method and life of a kind of FRPP reinforcement tubing
The extrusion molding mould of production.
Background technique
FRPP riffled tube is made of fiber reinforced polypropylene material, and inner wall smooth outer wall has the special knot of reinforcing rib
Structure tubing, since reinforcing rib uses i-beam structure, for more traditional solid-wall pipe compared to having many advantages, such as light weight, intensity is high,
Superior service performance and good cost performance, so that FRPP reinforcement tubing is widely used in city-building draining, drainage project.
FRPP reinforcement tubing generallys use socket joint connection, and the forming process of production FRPP reinforcement tubing only repeats riffled tube
The production process of material, does not include the bellmouth part of tubing, and tubing bellmouth is usually to expand after tubing cutting, then through tubing
Mouth machine, heating distending flaring are completed.Since polypropylene material melt strength is lower, the big reason of hot contraction ratio, faucet part
Divide and pass through the difficult of heating flaring production, flaring is easy to appear after heating and is deformed, thermal contraction is inconsistent to cause bellmouth
Internal diameter difference, and then influence the connection of tubing；In addition, subsequent heating is flared process, production process extension is also resulted in, it is raw
Producing efficiency reduces, thus, it is necessary to a kind of new FRPP reinforcement tubular article formation mould is developed, to solve the above problems.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of production method of FRPP reinforcement tubing and production pipes
The extrusion molding mould of material, to solve to control by extrusion molding process in the prior art, continuous production has bellmouth
Reinforcement tubing, it is necessary to tubing cutting after, by subsequent handling make bellmouth the problem of.
To achieve the goals above, the invention discloses a kind of FRPP reinforcement tubing extrusion molding moulds, which is characterized in that
Include:
Tube extrusion die, being pressed and molded material for pipe, the tube extrusion die includes die ontology, mouth
Mould and core model；
Molding die, including it is connected to the subsequent molding water jacket of tube extrusion die core model, and driven and recycled by molding machine
Mobile forming module forms and defines modular type chamber between water jacket and forming module；The molding water jacket is connect with core model, and
The surface of molding water jacket is provided with one section of helicla flute, and the helicla flute is located at one end of the close core model of molding water jacket, described
The stomata being connected to helicla flute is provided in helicla flute, and stomata is connect with external air feed equipment, the stomata and helicla flute are used for
Internal layer air pressure supply when tubing bellmouth forms；Forming module is divided into symmetrical upper and lower structure, and upper and lower structure includes following
The transmission device of ring movement, and be arranged on transmission device and with transmission device shuttling movement and end to end module list
Member, and modular unit includes the riffled tube tubing module for forming riffled tube tubing ontology set gradually, for formed pipe
The flaring module of material bellmouth.
As a further improvement, spiral groove depth is 1mm-3mm, width 4mm-8mm.Further, the helicla flute
Cross sectional shape be oblique triangle.
As a further improvement, closely coupled by screw between molding water jacket, the core model, very close to each other, periphery is flat
It slips over and crosses.
As a further improvement, the stomata is perpendicular to molding water jacket surface.
As a further improvement, the molding water jacket is hollow structure, it is internal to be connected to cooling water supply pipe.Into one
Step, the stomata are located at the tail end of the separate core model of helicla flute.Further, the inside for forming water jacket is equipped with tracheae, the gas
Hole is connected to through molding water jacket and with tracheae, and the tracheae is connect with external air feed equipment.
As a further improvement, the flaring module includes the first flaring module and the second flaring module, described first expands
Mouth mold block is located at riffled tube tubing module rear, including preceding riffled tube tubing modular segment and rear flaring modular segment, and described second expands
Mouth mold block is located at the first flaring module rear, including preceding flaring modular segment and rear riffled tube tubing modular segment.
The invention discloses a kind of production methods of FRPP reinforcement tubing, comprising the following steps:
A, FRPP tubing mixed ingredients are carried out；
B, uniformly mixed material is put into extruder feed opening；
C, material heats plasticizing through extruder and squeezes out；
It D, is pipe by above-mentioned tube extrusion die compression molding；
E, it after pipe squeezes out, into the molding die of above-mentioned extrusion molding mould, is controlled, is recycled by moulding process
The transmission device of movement drives riffled tube tubing module, flaring module successively to form to pipe, obtains continuous riffled tube
Material, tubing bellmouth so recycle, complete manufacturing for tubing.
The beneficial effects of the present invention are:
1, molding water jacket surface is processed as the structure with helicla flute, and helicla flute is connected by stomata and external feeder
It is logical, fused materials can be avoided to block internal layer pneumatic circuit, when forming requirements are converted to life in continuous production FRPP riffled tube
It when producing cylindrical shape tubing bellmouth, and by helicla flute transmission and air pressure, can realize the inflation molding of pipe, be had to be made
The FRPP reinforcement tubing of bellmouth.
2, since molding water jacket surface is processed as the structure with spiral groove, reduce pipe material inner wall and form water jacket
Contact area, meanwhile, when producing reinforcement tube portion, the suitable internal layer air pressure for giving certain pressure, also reduce tubing and
Frictional force between water jacket, molding machine load can be effectively reduced in these, to reach protection equipment and reduce the mesh of energy consumption
, and the reduction to the cooling effect of tubing is thereby resulted in, it influences to be extremely limited, and can avoid pipe material inner wall anxious to a certain degree
It is cold that pipe performance is adversely affected.
3, using the present invention FRPP reinforcement tubing produced with bellmouth, tubing ontology and tubing bellmouth once at
Type, the mode that the heating compared with the prior art dilates effectively prevent the problem of being easy to appear flaring deformation, have dimensional uniformity
It is good, the advantage of high production efficiency.
The features of the present invention sees the detailed description of the drawings of the present case and following preferable embodiment and obtains clearly
Solution.
Detailed description of the invention
Fig. 1 is the schematic diagram of the production equipment of FRPP riffled tube.
Fig. 2 is tube extrusion die and the schematic diagram for forming water jacket.
Fig. 3 is the sectional view along A-A in Fig. 2.
Fig. 4 is the schematic diagram of molding die.
Fig. 5 is the schematic diagram of modular unit.
Fig. 6 is the schematic diagram of FRPP riffled tube.
Wherein, 100- extruder；200- molding machine；210- tube extrusion die ontology；211- mouth mold；212- core model；
220- molding die；300- forms water jacket；310- helicla flute；320- stomata；330- tracheae；400- forming module；410- transmission
Device；420- modular unit；421- riffled tube tubing module；422- first is flared module；Riffled tube tubing module before 4221-
Section；Modular segment is flared after 4222-；423- second is flared module；Modular segment is flared before 4231-；Riffled tube tubing module after 4232-
Section.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Closing specific embodiment, the present invention is further explained.
As shown in Figure 1, the production equipment of production FRPP riffled tube includes extruder 100, molding machine 200, in molding machine 200
It is provided with FRPP reinforcement tube extrusion molding die.FRPP reinforcement tube extrusion molding die includes tube extrusion die 210 and molding
Mold 220.
Referring to fig. 2 with 3, tube extrusion die 210, being pressed and molded material for pipe, tube extrusion die includes
Die ontology, mouth mold 211 and core model 212；When the material for producing FRPP riffled tube, plasticizing is heated through extruder 100 and is squeezed out,
And being pressed and molded through tube extrusion die 210 is pipe.These are conventional structure, and details are not described herein.
Molding die 220, is connected to behind tube extrusion die, and pipe made of tube extrusion die is further processed
Molding die.
Molding die 220 includes molding water jacket 300 and forming module 400.It is defined between molding water jacket and forming module
Modular type chamber.
Form closely coupled by screw between water jacket 300, core model 212, very close to each other, periphery smooth transition.Form water
Set 300 is hollow structure, internal to supply cooling water for tubing cooling by water pipe.And the surface for forming water jacket 300 is provided with
One section of helicla flute 310.The helicla flute is located at one end of the close core model of molding water jacket, and side is located at molding water jacket head and passes through
Logical, the other side is located at molding water jacket middle position.It is provided with the stomata 320 being connected to helicla flute in helicla flute, 320, stomata
In the tail end of the separate core model of helicla flute, stomata 320 is perpendicular to molding water jacket surface；The inside of molding water jacket is equipped with tracheae
330, stomata is connected to through molding water jacket 300 with tracheae 330, and tracheae 330 is connect with external air feed equipment.The stomata 320 and
Internal layer air pressure supply when helicla flute 310 is formed for tubing bellmouth.
The molding of general tubing bellmouth part, since bellmouth is hollow tubular, it is necessary to there is internal layer air pressure by pipe inflation
It makes it possible to by hollow adsorption forming, and for reinforcement tubing, molding is the injection molding under certain extrusion pressure
, it also allows in by the core model of extrusion die, molding water jacket and the forming area that is constituted of forming module, it cannot there are holes
Gap, for internal layer supply, otherwise, the pipe of molten condition, will necessarily under pressure, into hole cause pore plugging and
Pipe material inner wall is uneven.Forming area shown in the present invention, by core model, molding water jacket and forming module constitute, core model, molding water jacket it
Between closely coupled, smooth transition be equipped with helicla flute on molding water jacket, helicla flute is for the injection molding of reinforcement tube portion
Oblique triangle is not continuous in tubing moving direction.When the material of melting, under pressure, injection enters modular type chamber
While, can also be filled in helicla flute, but due to module relative to molding water jacket be it is mobile, as module is mobile, be filled to
The material of helicla flute is in next position, and being formed water jacket and squeezing is smooth plane, while fused materials are gradually cooled
It is fixed to and forms the consistent shape of water jacket outer circle, i.e., under the moulding process of continuous moving, pipe material inner wall will necessarily be finalized
For with molding the consistent shape of water jacket outer circle, without become with helicla flute shape, to reach this purpose, the present embodiment
In, spiral groove depth is 1mm-3mm, width 4mm-8mm.Further, the section of helicla flute be generally oblique triangle (when
So, it is also possible to other shapes, such as semicircle, arc-shaped, technical points are along extrusion direction and water jacket plane tangent), tiltedly
The wedge angle of triangle should be less than 30 degree, and wedge angle direction is consistent with moving direction is squeezed out, and sees Fig. 3.
Referring to Fig. 1,4 and 5, forming module 400 divides for symmetrical upper and lower structure, and upper and lower structure includes shuttling movement
Transmission device 410, and be arranged on transmission device and with transmission device shuttling movement and end to end modular unit
420, and modular unit 420 includes the riffled tube tubing module 421 for forming riffled tube tubing ontology set gradually, is used for
The flaring module of shaping pipe bellmouth.In the present embodiment, for the ease of processing, flaring module is divided into the first flaring module again
422 and second are flared module 423, and the first flaring module 422 is located at riffled tube tubing module rear, including preceding riffled tube tubing mould
Block 4221 and rear flaring modular segment 4222.Second flaring module 423 is located at behind the first flaring module 422, including preceding expansion
Mouth mold block 4231 and rear riffled tube tubing modular segment 4232.One group of modular unit, including several reinforcements are installed on molding machine
Pipe tubing module and bellmouth wooden unit, this group of modular unit recycle an one week piece complete tubing of processing just, which includes adding
Muscle tube portion and bellmouth part.
A kind of production method of FRPP reinforcement tubing, comprising the following steps:
A, FRPP tubing mixed ingredients are carried out；
B, uniformly mixed material is put into extruder feed opening；
C, material heats plasticizing through extruder and squeezes out；
D, the tube extrusion die compression molding of FRPP reinforcement tube extrusion molding die through the invention is pipe；
E, it after pipe squeezes out, into the molding die of FRPP reinforcement tube extrusion molding die, is controlled by moulding process,
The transmission device of shuttling movement drives riffled tube tubing module, flaring module successively to form to pipe, obtains continuously adding
Muscle tubing, tubing bellmouth, reinforcement tubing, tubing bellmouth ....
Specifically, when forming module loopy moving to riffled tube tubing module enters forming area, by squeezing action,
Pipe is molded to the modular type chamber between molding water jacket and forming module, reinforcement tubing is shaped to；As transmission device recycles
Movement, the flaring module after riffled tube tubing module enter forming area, when position as shown in Figure 4, in continuous moving
Under moulding process, pipe material inner wall really be formed as with molding the consistent shape of water jacket outer circle, in this way pipe material inner wall and at
Between type water jacket, form water jacket on set helicla flute, be in most of position it is hollow, when by internal layer tracheae to gas when, pressure
Contracting air is transmitted via helicla flute, as shown in figure 4, the pipe of extrusion is no longer by reinforcement when flaring module is moved to forming area
The limitation of tube module type chamber, also without injection pressure, thus compressed air can be transmitted by helicla flute from molding water jacket head, be made
On the inside of pipe, so that the pipe of melting is under the influence of air pressure, inflation is cylindrical shape, and is attracted in flaring module
Side is shaped to tubing bellmouth.As module is mobile, subsequent repeat is shaped to reinforcement tubing, so recycles, completes the life of tubing
Produce production.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of FRPP reinforcement tubing production extrusion molding mould characterized by comprising
Tube extrusion die, being pressed and molded material for pipe, the tube extrusion die include die ontology, mouth mold and
Core model；
Molding die, including it is connected to the subsequent molding water jacket of tube extrusion die core model, and loopy moving is driven by molding machine
Forming module, form and define modular type chamber between water jacket and forming module；The molding water jacket is connect with core model, and is formed
The surface of water jacket is provided with one section of helicla flute, and the helicla flute is located at one end of the close core model of molding water jacket, in the spiral
The stomata being connected to helicla flute is provided in slot, and stomata is connect with external air feed equipment, the stomata and helicla flute are used for tubing
Internal layer air pressure supply when bellmouth forms；Forming module is divided into symmetrical upper and lower structure, and upper and lower structure includes circulation fortune
Dynamic transmission device, and be arranged on transmission device and with transmission device shuttling movement and end to end modular unit,
And modular unit includes the riffled tube tubing module for forming riffled tube tubing ontology set gradually, holds for shaping pipe
The flaring module of mouth.
2. FRPP reinforcement tubing production extrusion molding mould according to claim 1, which is characterized in that spiral groove depth
For 1mm-3mm, width 4mm-8mm.
3. FRPP reinforcement tubing production extrusion molding mould according to claim 2, which is characterized in that the helicla flute
Cross sectional shape be oblique triangle.
4. FRPP reinforcement tubing production extrusion molding mould according to claim 1, which is characterized in that the molding water
It is closely coupled by screw between set, core model, very close to each other, periphery smooth transition.
5. FRPP reinforcement tubing production extrusion molding mould according to claim 1, which is characterized in that the stomata hangs down
Directly in molding water jacket surface.
6. FRPP reinforcement tubing production extrusion molding mould according to claim 1, which is characterized in that the molding water
Set is hollow structure, internal to be connected to cooling water supply pipe.
7. FRPP reinforcement tubing production extrusion molding mould according to claim 6, which is characterized in that the stomata position
In the tail end of the separate core model of helicla flute.
8. FRPP reinforcement tubing production extrusion molding mould according to claim 7, which is characterized in that form water jacket
Inside is equipped with tracheae, and the stomata is connected to through molding water jacket and with tracheae, and the tracheae is connect with external air feed equipment.
9. FRPP reinforcement tubing production extrusion molding mould according to claim 1, which is characterized in that the flaring die
Block includes the first flaring module and the second flaring module, and the first flaring module is located at riffled tube tubing module rear, including
Preceding riffled tube tubing modular segment and rear flaring modular segment, the second flaring module are located at the first flaring module rear, including preceding
It is flared modular segment and rear riffled tube tubing modular segment.
10. a kind of production method of FRPP reinforcement tubing, comprising the following steps:
A, FRPP tubing mixed ingredients are carried out；
B, uniformly mixed material is put into extruder feed opening；
C, material heats plasticizing through extruder and squeezes out；
It D, is pipe by the tube extrusion die compression molding of the described in any item extrusion molding moulds of claim 1-9；
E, after pipe squeezes out, into the molding die of the described in any item extrusion molding moulds of claim 1-9, pass through molding
Technology controlling and process, the transmission device of shuttling movement drive riffled tube tubing module, flaring module successively to form to pipe, obtain
Continuous reinforcement tubing, tubing bellmouth, so recycle, complete manufacturing for tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381830.8A CN109333966A (en) | 2018-11-20 | 2018-11-20 | A kind of production of FRPP reinforcement tubing extrusion molding mould and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381830.8A CN109333966A (en) | 2018-11-20 | 2018-11-20 | A kind of production of FRPP reinforcement tubing extrusion molding mould and production method |
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Family
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293663A (en) * | 2019-06-06 | 2019-10-01 | 宜宾天亿新材料科技有限公司 | A kind of device and method producing molecularly oriented plastic tube |
| CN112873790A (en) * | 2021-01-08 | 2021-06-01 | 康泰塑胶科技集团有限公司 | Pressure-bearing double-wall corrugated pipe with R flaring, socket part die and forming method |
| CN114131885A (en) * | 2021-09-30 | 2022-03-04 | 宜宾天亿新材料科技有限公司 | Production equipment and production method of molecular oriented plastic pipe |
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