CN108819172A - Five layers of pipe extrusion die - Google Patents
Five layers of pipe extrusion die Download PDFInfo
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- CN108819172A CN108819172A CN201810777560.6A CN201810777560A CN108819172A CN 108819172 A CN108819172 A CN 108819172A CN 201810777560 A CN201810777560 A CN 201810777560A CN 108819172 A CN108819172 A CN 108819172A
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Abstract
Five layers of pipe extrusion die of one kind of the invention, including die body, mold core, screw-casing component and flow distribution plate component, the five layers of helical duct for being equipped with composite co-extruding channel in discharging outer end between die body and mold core, being formed in charging inner end by screw-casing component, wherein：Flow distribution plate component includes axial sequentially connected first flow distribution plate, second flow distribution plate and third flow distribution plate, third flow distribution plate connects screw-casing component, flow distribution plate component axle center is equipped with the first feeding-passage for connecting wherein one layer of helical duct, first flow distribution plate, the second feeding-passage is equipped between second flow distribution plate, second flow distribution plate, third feeding-passage is equipped between third flow distribution plate, first feeding-passage connects wherein one layer of helical duct, first feeding-passage and the second feeding-passage shunt connection wherein two layers of helical duct respectively, first feeding-passage, second feeding-passage, the outer end of third feeding-passage is respectively equipped with charging nozzle.
Description
Technical field
The present invention relates to extrusion equipment field, especially a kind of five layers of pipe extrusion die.
Background technique
As the appearance of the worry of climate change and reply method and the stringent motor vehicle emission of domestic state five are wanted in the whole world
Standard formulation is asked, five layers of solid wall automobile oil pipe come into being.Its arrival keeps vehicle again full on the basis of meeting original performance
The emission request of Zu Liao state five, and make the quality of vehicle the whole series oil piping system mitigate (be subject to Yangze river and Huai river passenger car money product, it is whole
Set system reduces 0.75Kg).Five layers of solid wall automobile oil pipe have greater advantages in aspect of performance relative to metal tube, especially resistance to
In terms of the aspect and resistance oxygen of chemical attack.
Summary of the invention
Present invention aim to address five layers of pipe machine-shaping difficulty especially five layers of solid wall automobiles in currently available technology
The machine-shaping difficult problem of oil pipe.Five layers of extrusion die of invention can be realized 5 kinds of heating raw materials well by certain
Ratio can reach that each layer wall thickness is controllable by a co-extrusion coating processes extrusion molding, and the binding force of every layer of extruding pipe is enough,
Comprehensive performance is strong.
To achieve the above object, the technical scheme adopted by the invention is that：A kind of five layers of pipe extrusion die, including die body,
Mold core, screw-casing component and flow distribution plate component are equipped with composite co-extruding channel, in charging in discharging outer end between die body and mold core
The five layers of helical duct formed by screw-casing component are held, wherein：Flow distribution plate component include axial sequentially connected first flow distribution plate,
Second flow distribution plate and third flow distribution plate, third flow distribution plate connect screw-casing component, and flow distribution plate component axle center is equipped with connection wherein one
First feeding-passage of layer helical duct is equipped with the second feeding-passage between the first flow distribution plate, the second flow distribution plate, second shunts
Third feeding-passage is equipped between plate, third flow distribution plate, wherein one layer of helical duct, the first charging are logical for the connection of the first feeding-passage
Road and the second feeding-passage shunt connection wherein two layers of helical duct, the first feeding-passage, the second feeding-passage, third respectively
The outer end of feeding-passage is respectively equipped with charging nozzle.
The present invention with the above structure, the setting of the first feeding-passage is in flow distribution plate component axle center, the corresponding spiral of connection
Channel, the second feeding-passage are arranged between the first flow distribution plate, the second flow distribution plate, two layers of corresponding helical duct of connection, and second
Feeding-passage setting connects two layers of corresponding helical duct in the second flow distribution plate, third flow distribution plate；First feeding-passage, second
Feeding-passage, third feeding-passage outer end charging nozzle be separately connected extruder, extruder respectively passes through heating raw materials
Charging nozzle squeezes into corresponding feeding-passage, and heating raw materials flow into the corresponding five layers of spiral of screw-casing component by feeding-passage
Channel, five layers of helical duct are connected to composite co-extruding channel, and the heating raw materials in helical duct are converged in composite co-extruding channel,
Fluid-mixing respectively is accumulated, the fluid collected is finally flowed out from the composite co-extruding channel of discharging outer end, and five layers of pipe are preliminary
Extrusion forming, completes the entire forming process in die head, subsequent preliminary molding five layers of pipe using vacuum sizing finally at
Type；Every layer of heating raw materials have individual charging nozzle to connect with extrusion equipment, can pass through the extrusion of extrusion equipment in this way
It measures to reach the thickness of every layer of pipe of control with this and increase the formed precision of complete machine die head or the different thickness five of adjusting production customization
Layer pipe.
Above-mentioned five layers of pipe extrusion die of one kind are respectively equipped with heat generating device in die body and flow distribution plate component outer wall, mold core.
Heat generating device is separately positioned in die body, flow distribution plate component outer wall and mold core, controls the first feeding-passage respectively, the second charging is led to
The temperature of fluid in road, third feeding-passage, helical duct and composite co-extruding channel.
Above-mentioned five layers of pipe extrusion die of one kind, die body include mouth mold, mouth mold connector and mould waist, mold core be placed in mouth mold,
Between mouth mold connector and mould waist axle portion, screw-casing component is placed in mould waist.
Above-mentioned five layers of pipe extrusion die of one kind, screw-casing component include the first conveyor screw being socketed with one heart, the second spiral
Body, third conveyor screw, the 4th conveyor screw and the 5th conveyor screw, are successively arranged first, second, third, fourth layer of spiral therebetween
Channel, is equipped with the helical duct of layer 5 between the 5th conveyor screw and mould waist, screw-casing component is connected equipped with conveyor screw connecting plate
Third flow distribution plate and mould waist.Screw-casing component is placed in mould waist, and the spiral that layer 5 is formed between the 5th conveyor screw and mould waist is logical
Road forms the helical duct of first layer, between the second conveyor screw and third conveyor screw between the first conveyor screw and the second conveyor screw
The helical duct for forming the second layer forms the helical duct of third layer, the 4th spiral between third conveyor screw and the 4th conveyor screw
The 4th layer of helical duct is formed between body and the 5th conveyor screw.
Above-mentioned five layers of pipe extrusion die of one kind, the first feeding-passage connect the helical duct of first layer, and the second charging is logical
Road is separately connected the helical duct of second, layer 5, and third feeding-passage is separately connected the helical duct of third, the 4th layer.It is real
Now charging nozzle is respectively communicated with the mesh of five layers of helical duct by the first feeding-passage, the second feeding-passage, third feeding-passage
's.
Above-mentioned five layers of pipe extrusion die of one kind, the first feeding-passage outer end are equipped with the charging nozzle of the first layer material, the
Two feeding-passage outer ends are equipped with the charging nozzle of second, layer 5 material, and third feeding-passage outer end is equipped with third, the 4th layer of material
The charging nozzle of material.
Above-mentioned five layers of pipe extrusion die of one kind, mold core include core model and core model connector, and core model connector is equipped with connection
The axial connection core model of seat, core model connector connect screw-casing component.Connection seat is equipped with internal thread hole, and core model connecting pin is equipped with outer spiral shell
Line is spirally connected the internal thread hole of connection seat, and connection seat plays the role of connecting core model connector and core model, and can by connection seat with
The concentricity of connection the fine tuning core model and complete machine center line of core model connector.
Above-mentioned five layers of pipe extrusion die of one kind, heat generating device include six heating regions, and the first flow distribution plate, second shunt
Plate outer wall is equipped with the first heating region, and the second flow distribution plate, third flow distribution plate outer wall are equipped with the second heating region, conveyor screw connection
Plate, mould waist outer wall are equipped with third heating region, and mould waist, mouth mold connector outer wall are equipped with the 4th heating region, and mouth mold outer wall is equipped with
5th heating region, is equipped with the 6th heating region between screw-casing component axle center and core model connector, and first, second, third, the
Four, the 5th heating region is made of the thermocouple junction that fever is enclosed and fever is enclosed respectively, and the 6th heating region is interior heating coil.
First, second heating region controls the first feeding-passage, the second feeding-passage in flow distribution plate component, fluid in third feeding-passage
Temperature, third, the 6th heating region control the temperature of fluid in five layers of helical duct, and the control of the four, the 5th heating regions is multiple
Amount to the temperature of crowded inner fluid passage.
Above-mentioned five layers of pipe extrusion die of one kind are equipped with vent flow in mold core axle center and screw-casing component, flow distribution plate component
Road.The connection of venting flow path both ends is external, be beneficial to outlet pipe molding prevent for the first time trombone slide by vacuum inhale it is flat do not form, also improve
Debugging efficiency, improves the outlet pipe reliability of die head complete machine；The connecting line of interior heating coil passes through venting flow path and outer connection.
Above-mentioned five layers of pipe extrusion die of one kind, mouth mold are equipped with pressure ring, are connect by pressure ring with mouth mold connector, mouth mold
It is equipped with heating insulating course in discharge outlet, the 5th heating region does not cover heating insulating course.Mouth mold connector is bolted
On mould waist, mouth mold and mouth mold connector are only pushed down the outer surface for being limited in mouth mold connector without rigid connection by pressure ring.Out
Material mouth is separated by heating insulating course and entire heating fuselage tomography, achievees the purpose that heat transfer is obstructed, and makes discharge port is heated to reduce,
Make the molding heat pipe material of discharge port be not easy to bond in mouth mold end, discharges more suitable, surface is brighter and cleaner
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention shares 6 heating regions, in addition to general external heating region, inside also be provided with a heating region from
Heat is transmitted from inside to outside, more can guarantee the heated uniformity of demand and die head of the heating raw materials to temperature in this way.
2, every layer of heating raw materials of the invention have individual feeding inlet to match with extruder, easier to control to adjust accordingly
Extrusion output come achieve the purpose that finely tune every layer of wall thickness.
3, heating zone of the invention and corresponding induction zone is readily identified and regulation, can the every area of more precise control heating temperature
Degree, reaches different materials and heats different precise controlling.
4, each feeding-passage of the invention is all in the distribution of Y type, is divided into two, and two points are four, that is, solves extruder extrusion
The problem of melt high pressure, also solves the problems, such as that traditional T font feeding-passage divided fluid stream passageway has some setbacks.
5, the gap between each conveyor screw of the present invention is determined that each conveyor screw is in low-angle cone-shaped by product wall thickness parameter,
Perficial helical honeycomb duct makes every layer of wall thickness all be evenly distributed by gradually becoming shallower as to be easy to drain deeply.
6, five kinds of melts of runner of the present invention collect for the first time simultaneously at one, and runner gradually becomes smaller since junction,
When reaching exit, runner sharply becomes smaller to form back pressure, facilitates combining closely for five layers of melt in this way, and help to form
The promotion of the comprehensive performance of tubing.
7, the deep trouth of mouth mold outlet ends of the present invention designs different with traditional integrated heating design, make mouth mold end not by
Heat separates heat even to keep outlet spout cooling, facilitates the smooth of shaping pipe outer surface in this way, shaping pipe is made to be not easy to bond
In outlet end and the viscous force of reduction outlet pipe and the last contact surface of die head.
8, the present invention designs, and is radially by the tune on 6 directions by dead abutting mouth mold connector on mouth mold axial direction
Screw limitation is saved, it is coaxial convenient for the center line and entire die head center line of adjusting formed pipe, keep five layers of Thickness Distribution uniform, not partially
The heart.
9, outlet spout center of the present invention is provided with venthole, and venting flow path is from die head beginning side pass-out, natural ventilation.It does
The molding that method is beneficial to outlet pipe prevent for the first time trombone slide by vacuum inhale it is flat do not form, also improve debugging efficiency, improve die head
The outlet pipe reliability of complete machine.
10, the smoothness of the inner surface of formed pipe easily guarantees in the present invention, and core model and core model connector cleverly utilize connection
Joint chair transition connection, i.e. core model connector are fixed on conveyor screw by central through hole, and connection seat is fixed by screws in core model
In connector concave surface, core model is connected by the through-hole internal screw thread of external screw thread and connection seat.And it is enough close to make to be connected up to,
Core model pre-tightens end of the stress position design at outlet spout, takes the force design of hexagonal in countersunk head.Inner wall entire in this way forms ring
The essentially smooth transition connection in border, is readily produced the product of inner wall high glossy.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings and detailed description：
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is planar structure schematic diagram 1 of the invention；
Fig. 3 is the A-A the schematic diagram of the section structure of Fig. 2；
Fig. 4 is the B-B the schematic diagram of the section structure of Fig. 2；
Fig. 5 is planar structure schematic diagram 2 of the invention；
Fig. 6 is the C-C the schematic diagram of the section structure of Fig. 5；
Fig. 7 is the D-D the schematic diagram of the section structure of Fig. 5；
Fig. 8 is the schematic perspective view of conveyor screw of the present invention；
Fig. 9 is the schematic perspective view of mouth mold of the present invention；
Figure 10 is the schematic diagram of the section structure of mouth mold of the present invention and core model.
Specific embodiment
As shown in Fig. 1 to 10, a kind of five layers of pipe extrusion die, including die body 1, mold core 2, screw-casing component 3 and flow distribution plate
Component 4 is formed equipped with composite co-extruding channel 5, in charging inner end by screw-casing component 3 between die body 1 and mold core 2 in discharging outer end
Five layers of helical duct 36, wherein：Flow distribution plate component 4 includes axial sequentially connected first flow distribution plate 41, the second flow distribution plate 42
With third flow distribution plate 43, third flow distribution plate 43 connects screw-casing component 3, and 4 axle center of flow distribution plate component is equipped with connection wherein one layer of spiral shell
The the first feeding-passage 4a for revolving channel 36, is equipped with the second feeding-passage 4b between the first flow distribution plate 41, the second flow distribution plate 42, and second
Third feeding-passage 4c is equipped between flow distribution plate 42, third flow distribution plate 43, wherein one layer of spiral is logical for the first feeding-passage 4a connection
Road 36, the first feeding-passage 4a and the second feeding-passage 4b shunt connection wherein two layers of helical duct 36, the first charging respectively
Channel 4a, the second feeding-passage 4b, third feeding-passage 4c outer end be respectively equipped with charging nozzle 4d.
Heat generating device 6 is respectively equipped in 4 outer wall of die body 1 and flow distribution plate component, mold core 2.
Die body 1 includes mouth mold 13, mouth mold connector 12 and mould waist 11, and mold core 2 is placed in mouth mold 13, mouth mold connector 12 and mould
Between 11 axle portion of waist, screw-casing component 3 is placed in mould waist 11.
Screw-casing component 3 includes the first conveyor screw 31, the second conveyor screw 32, the third conveyor screw the 33, the 4th being socketed with one heart
Conveyor screw 34 and the 5th conveyor screw 35 are successively arranged first, second, third, fourth layer of helical duct 36, the 5th spiral therebetween
The helical duct 36 of layer 5 is equipped between body 35 and mould waist 11, screw-casing component 3 is equipped with conveyor screw connecting plate 37 and connects third
Flow distribution plate 43 and mould waist 11.
The helical duct 36 of first feeding-passage 4a connection first layer, the second feeding-passage 4b are separately connected the second, the 5th
The helical duct 36 of layer, third feeding-passage 4c are separately connected the helical duct 36 of third, the 4th layer.
First outer end feeding-passage 4a is equipped with the charging nozzle 4d of the first layer material, and the second outer end feeding-passage 4b is equipped with the
Two, the charging nozzle 4d of layer 5 material, the third outer end feeding-passage 4c are equipped with the charging nozzle 4d of third, the 4th layer material.
Mold core 2 includes core model 21 and core model connector 22, and core model connector 22 is equipped with the axial connection core model 21 of connection seat 23,
Core model connector 22 connects screw-casing component 3.
Heat generating device 6 includes six heating regions, and the first flow distribution plate 41,42 outer wall of the second flow distribution plate are equipped with the first heating zone
Domain 61, the second flow distribution plate 42,43 outer wall of third flow distribution plate are equipped with the second heating region 62, outside conveyor screw connecting plate 37, mould waist 11
Wall is equipped with third heating region 63, and mould waist 11,12 outer wall of mouth mold connector are equipped with the 4th heating region 64, and 13 outer wall of mouth mold is equipped with
5th heating region 65, between 3 axle center of screw-casing component and core model connector 22 be equipped with the 6th heating region 66, first, second,
Third, the four, the 5th heating regions 61,62,63,64,65 are made of the thermocouple junction that fever is enclosed and fever is enclosed respectively, the
Six heating regions 66 are interior heating coil.
Venting flow path 7 is equipped in 2 axle center of mold core and screw-casing component 3, flow distribution plate component 4.
Mouth mold 13 is equipped with pressure ring 131, is connect by pressure ring 131 with mouth mold connector 12, mouth mold 13 is set in discharge outlet
There is heating insulating course 132, the 5th heating region 65 does not cover heating insulating course 132.
When concrete application of the present invention, extruder is separately connected the first feeding-passage 4a, the second feeding-passage 4b, third charging
The charging nozzle 4d of the channel outer end 4c, it is logical that heating raw materials are squeezed into corresponding charging by charging nozzle 4d respectively by extruder
Road, feeding-passage are respectively communicated with corresponding helical duct 36, and heating raw materials flow into screw-casing component 3 by feeding-passage and correspond to
Five layers of helical duct 36 in, five layers of helical duct 36 are connected to composite co-extruding channels 5, and the heating raw materials in helical duct 36 exist
Converge in composite co-extruding channel 5, accumulate fluid-mixing respectively, composite co-extruding of the fluid collected finally from discharging outer end is logical
Road outflow, five layers of pipe complete the entire forming process in die head, subsequent preliminary molding five layers of pipe is again by preliminary extrusion forming
By vacuum sizing final molding.
The above is a preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for those skilled in the art, modify or wait to technical solution of the present invention
With replacement, without departure from the protection scope of technical solution of the present invention.
Claims (10)
1. a kind of five layers of pipe extrusion die, including die body (1), mold core (2), screw-casing component (3) and flow distribution plate component (4), mould
It is formed equipped with composite co-extruding channel (5), in charging inner end by screw-casing component (3) between body (1) and mold core (2) in discharging outer end
Five layers of helical duct (36), it is characterised in that：Flow distribution plate component (4) include axial sequentially connected first flow distribution plate (41),
Second flow distribution plate (42) and third flow distribution plate (43), third flow distribution plate (43) connect screw-casing component (3), flow distribution plate component (4)
Axle center is equipped with the first feeding-passage (4a) for connecting wherein one layer of helical duct (36), the first flow distribution plate (41), the second flow distribution plate
(42) it is equipped with the second feeding-passage (4b) between, it is logical that third charging is equipped between the second flow distribution plate (42), third flow distribution plate (43)
Road (4c), wherein one layer of helical duct (36), the first feeding-passage (4a) and the second charging are logical for the first feeding-passage (4a) connection
Road (4b) shunts connection wherein two layers of helical duct (36) respectively, the first feeding-passage (4a), the second feeding-passage (4b), the
The outer end of three feeding-passages (4c) is respectively equipped with charging nozzle (4d).
2. a kind of five layers of pipe extrusion die according to claim 1, it is characterised in that：Die body (1) and flow distribution plate component (4)
Heat generating device (6) are respectively equipped in outer wall, mold core (2).
3. a kind of five layers of pipe extrusion die according to claim 1, it is characterised in that：Die body (1) includes mouth mold (13), mouth
Mould connector (12) and mould waist (11), mold core (2) are placed between mouth mold (13), mouth mold connector (12) and mould waist (11) axle portion,
Screw-casing component (3) is placed in mould waist (11).
4. a kind of five layers of pipe extrusion die according to claim 1, it is characterised in that：Screw-casing component (3) includes concentric
The first conveyor screw (31), the second conveyor screw (32), third conveyor screw (33), the 4th conveyor screw (34) and the 5th conveyor screw of socket
(35), it is successively arranged first, second, third, fourth layer of helical duct (36) therebetween, the 5th conveyor screw (35) and mould waist (11)
Between be equipped with layer 5 helical duct (36), screw-casing component (3) be equipped with conveyor screw connecting plate (37) connect third flow distribution plate
(43) and mould waist (11).
5. a kind of five layers of pipe extrusion die according to claim 1, it is characterised in that：First feeding-passage (4a) connection the
One layer of helical duct (36), the second feeding-passage (4b) are separately connected the helical duct (36) of second, layer 5, third charging
Channel (4c) is separately connected the helical duct (36) of third, the 4th layer.
6. a kind of five layers of pipe extrusion die according to claim 1, it is characterised in that：The outer end first feeding-passage (4a) is set
There is the charging nozzle (4d) of the first layer material, the second feeding-passage outer end (4b) is equipped with the charging nozzle of second, layer 5 material
(4d), the third feeding-passage outer end (4c) are equipped with the charging nozzle (4d) of third, the 4th layer material.
7. a kind of five layers of pipe extrusion die according to claim 1, it is characterised in that：Mold core (2) include core model (21) and
Core model connector (22), core model connector (22) are equipped with connection seat (23) axially connection core model (21), and core model connector (22) is even
Connect screw-casing component (3).
8. a kind of five layers of pipe extrusion die according to claim 2, it is characterised in that：Heat generating device (6) includes six and adds
Thermal region, the first flow distribution plate (41), the second flow distribution plate (42) outer wall are equipped with the first heating region (61), the second flow distribution plate (42),
Third flow distribution plate (43) outer wall is equipped with the second heating region (62), and conveyor screw connecting plate (37), mould waist (11) outer wall are equipped with third
Heating region (63), mould waist (11), mouth mold connector (12) outer wall are equipped with the 4th heating region (64), and mouth mold (13) outer wall is equipped with
5th heating region (65) is equipped with the 6th heating region (66) between screw-casing component (3) axle center and core model connector (22), the
One, the thermocouple that second, third, fourth, fifth heating region (61,62,63,64,65) is enclosed and generated heat on circle by fever respectively
Connector composition, the 6th heating region (66) are interior heating coil.
9. a kind of five layers of pipe extrusion die according to claim 1, it is characterised in that：Mold core (2) axle center and screw-casing group
Venting flow path (7) are equipped in part (3), flow distribution plate component (4).
10. five layers of pipe extrusion die of one kind according to claim 3 or 8, it is characterised in that：Mouth mold (13) is equipped with pressure ring
(131), it is connect by pressure ring (131) with mouth mold connector (12), mouth mold (13) is equipped with heating insulating course in discharge outlet
(132), the 5th heating region (65) does not cover heating insulating course (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777560.6A CN108819172A (en) | 2018-07-16 | 2018-07-16 | Five layers of pipe extrusion die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777560.6A CN108819172A (en) | 2018-07-16 | 2018-07-16 | Five layers of pipe extrusion die |
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| CN108819172A true CN108819172A (en) | 2018-11-16 |
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ID=64140747
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| CN201810777560.6A Pending CN108819172A (en) | 2018-07-16 | 2018-07-16 | Five layers of pipe extrusion die |
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Cited By (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065212A (en) * | 2019-05-23 | 2019-07-30 | 德科摩橡塑科技(东莞)有限公司 | A kind of multilayer die mechanism of changeable extruding pipe material structure |
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