CN105172087B - Flaring extrusion device and method for spirally wound pipe - Google Patents
Flaring extrusion device and method for spirally wound pipe Download PDFInfo
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- CN105172087B CN105172087B CN201510703253.XA CN201510703253A CN105172087B CN 105172087 B CN105172087 B CN 105172087B CN 201510703253 A CN201510703253 A CN 201510703253A CN 105172087 B CN105172087 B CN 105172087B
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- pipe
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Classifications
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- 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
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92161—Volume or quantity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a flaring extrusion device for a spirally wound pipe. The flaring extrusion device comprises a pipe conveying table, a moving plate, a hydraulic core mould pushing head, two extruders, a hydraulic mould locking press and a flaring forming mould, wherein a flaring core mould is installed on the moving plate, the hydraulic core mould pushing head is used for pushing the moving plate, the two extruders are used for extruding materials out of corresponding jet channels, and the flaring forming mould is installed on the open part of the hydraulic mould locking press. A coextrusion technology is utilized for producing the flared part of the spirally wound pipe. The invention further discloses a method for performing flaring extrusion through the flaring extrusion device. Orderly and efficient steps of the method are designed; on the premise of manufacturing qualified and plump flared components, cost is lowered as far as possible and efficiency is improved as far as possible.
Description
Technical field
The present invention relates to mechanical field, more particularly to extrusion flaring machinery field.
Background technology
At present, the flared part for spiral winding pipe is produced, mainly by common injection molding, injection-moulding device
With high costs, shaping efficiency is low.Simultaneously, it is impossible to ensure the flared part even compact of shaping, poor sealing.Also, by
In necessary overflow checking means are lacked, material easily overflows and causes flared edge to protrude, and has corner angle.
The content of the invention
An object of the present invention is to provide the extrusion expanding device for spiral winding pipe, using extruding co-extrusion technology
Flared part production is carried out to spiral winding pipe.
The second object of the present invention is to provide using the method that expanding device carries out enlarging extrusion is extruded, in order efficiently.
Realizing the technical scheme of above-mentioned purpose is：
The effective extrusion expanding device of spiral winding of one of the present invention, including tubing transport platform, enlarging core mold is installed
Movable plate, the hydraulic core that promotes the movable plate cut somebody's hair, the two extruderses by each spraying runner extruded material, hydraulic pressure
Locked mode press and be installed on the hydraulic lock moulding press opening portion flare formation mould, wherein：
The tubing transport platform horizontal auger winding pipe, and the mouth of pipe of the spiral winding pipe is entered the liquid straight
Press the opening portion of locked mode press；
The flare formation mould includes：The lower shaping mould of the hydraulic lock moulding press opening portion is fixed on, and with described
The upper shaping mould that hydraulic lock moulding press is moved up and down；The upper shaping mould and the lower shaping die combination are formed and hold spiral winding pipe
The mouth of pipe circular hole that stretches into and blocked；
The hydraulic core is cut somebody's hair and promotes the movable plate, and the enlarging core mold is inserted the mouth of pipe of spiral winding pipe；
An interlayer is formed between the enlarging core mold and the flare formation mould；The flared part shape of the interlayer and spiral winding pipe
Unanimously；
The flare formation mould is provided with the two runner cast gates communicated with the interlayer；
Two respective injection runners of extruder are directed at two runner cast gates of the flare formation mould one by one.
According to such scheme, the present invention carries out the shaping of flared part, letter by the way of the coextrusion of two machines to winding pipe
Easily efficient structure type instead of the low injection molding of the high shaping efficiency of equipment cost.
In the above-mentioned effective extrusion expanding device of spiral winding, also including industrial computer and two flash triggering devices；
Two flash triggering devices are separately positioned on the interlayer top and interlayer bottom, two flash triggering dresses
Put and detecting after material has been completely filled with product enlarging output switching signal to the industrial computer；
Two extruders of the industry control mechatronics, the hydraulic core are cut somebody's hair, the hydraulic lock moulding press and institute
State tubing transport platform；The industrial computer is responded to switching signal, terminates extrusion flaring process.By designing flash inspection
Whether point, sensitive can fast and effectively detect material full of whole die cavity, so as to ensure that this formed product can be closed
The full enlarging part of lattice.
In the above-mentioned effective extrusion expanding device of spiral winding, the flash triggering device includes：
Screw-in is fixed in the flare formation mould and is provided with the flash valve fixed seat in a vertical feeler lever hole；
It is dissolved in the feeler lever hole and the aperture from the feeler lever hole and extend out to the flash feeler lever of the interlayer；
Guiding ptfe ring between the embedded flash valve fixed seat and the flash feeler lever；
It is sheathed on the flash feeler lever and screws in the pressure limiting nut in the feeler lever hole；
The flash feeler lever is sheathed on, and two ends are respectively held against the reset of the pressure limiting nut and the flash valve fixed seat
Stage clip；
The flash feeler lever is sheathed on, and screws in the pressure limiting nut to adjust the tune of the elastic pressure of the reseting pressuring spring
Seamless is female；
Connect the flash feeler lever tail end for measure compress variable electronic ruler；And
It is fixed on the flash valve fixed seat and the resistance scale mounting seat for installing the electronic ruler；
The material retraction variable that the electronic ruler is measured when being completely filled with product enlarging is pre-stored in the industrial computer.Specifically
Change flash triggering device, more accurately, scientifically detect that material is had one's bosom filled with state so that enlarging qualification rate is greatly improved.
In the above-mentioned effective extrusion expanding device of spiral winding, the flash feeler lever surface coats polytetrafluoroethylene floor.
So that piece surface high temperature resistant, skin-friction coefficient is extremely low, and does not glue glutinous material easy mold release.
In the above-mentioned effective extrusion expanding device of spiral winding, the tubing transport platform is tight with the hydraulic lock moulding press
Lean on；The table top of the tubing transport platform is flushed with the lower end of the circular hole.
In the above-mentioned effective extrusion expanding device of spiral winding, the runner cast gate is located at the flare formation mould both sides
Centre, and its vertical section is in drops, water droplet tail end connects the interlayer.Stopped in die cavity with reducing each point melt material
Time improves the stability of extrusion, and the built-in pressure of the longitudinal short distance of energy uniformly flattens material so that material can be from flaring die
Cast gate enters and the paving of dividing of even compact is wrapped in formation flared blank on core.
In the above-mentioned effective extrusion expanding device of spiral winding, it is provided with around the interlayer in the flare formation mould and is added
Heat insulation oil duct；The neighbouring heating and thermal insulation oil duct is interval with cooling water channel.The time of enlarging sizing is effectively shortened, is improved
Its production efficiency.
The enlarging extrusion method based on the effective extrusion expanding device of above-mentioned spiral winding of the two of the present invention, including：
Spiral winding pipe is sent into the tubing transport platform opening portion of the hydraulic lock moulding press straight；
The industrial computer controls the hydraulic lock moulding press to drive the upper shaping mould of the flare formation mould to push, and it is lower into
Pattern blocks the mouth of pipe of the spiral winding pipe together；
The industrial computer control hydraulic core is cut somebody's hair and promotes movable plate to draw close the hydraulic lock moulding press so that described
In the mouth of pipe of enlarging core mold insertion spiral winding pipe；
The industrial computer controls two respective injection runners of extruder to be directed at two streams of the flare formation mould
Road cast gate, then controls two extruders to start feed extrusion, and the material that will have been plastified pumps into the expansion through spraying runner
In mouth shaping mould；
Two flash triggering devices detect after material has been completely filled with product enlarging output switching signal to
The industrial computer；
The industrial computer is responded to switching signal, realizes following control：
The respective injection runner closure of the extruder of control two, then controls two extruders to depart from the liquid
Pressure locked mode press；
Controlling the hydraulic core to cut somebody's hair drives the enlarging core mold to exit；
The hydraulic lock moulding press is controlled to open the flare formation mould for closing up；
The tubing transport platform is controlled to drive spiral winding pipe return to exit.Squeezed using expanding device implementation enlarging is extruded
Go out, design orderly, efficient method and step, producing qualified full enlarging part while cost-effective as much as possible, carry
High efficiency, it is ensured that enlarging qualification rate.
Brief description of the drawings
Fig. 1 is the structure chart of the effective extrusion expanding device of spiral winding of one of the present invention；
Fig. 2 is the top view of the effective extrusion expanding device of spiral winding shown in Fig. 1；
Fig. 3 is the enlarged drawing at A in the effective extrusion expanding device of spiral winding shown in Fig. 2；
Fig. 4 is the structure sectional view of flare formation mould in the effective extrusion expanding device of spiral winding shown in Fig. 1；
Fig. 5 is the vertical section view of runner cast gate in flare formation mould shown in Fig. 4；
Fig. 6 is the horizontal sectional view of runner cast gate in flare formation mould shown in Fig. 4；
Fig. 7 is the structure sectional view of flash triggering device in the effective extrusion expanding device of spiral winding shown in Fig. 1.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to the effective extrusion expanding device of spiral winding of one of Fig. 1, Fig. 2 and Fig. 3, the present invention, including tubing conveying
Platform 1, enlarging core mold 2, movable plate, hydraulic core are cut somebody's hair 3, two extruderses 4, hydraulic lock moulding press 5, flare formation mould 6, work
Control machine (not shown) and two flash triggering devices 7.
Two extruderses 4 are arranged in the left and right sides of hydraulic lock moulding press 5.Tubing transport platform 1 is arranged in hydraulic lock molding
Before machine 5.Hydraulic core is cut somebody's hair and 3 is arranged in behind hydraulic lock moulding press 5.Hydraulic lock moulding press 5 is provided with opening portion, enlarging
Shaping mould 6 is arranged on the opening portion.Specifically, flare formation mould 6 includes：It is fixed under the opening portion of hydraulic lock moulding press 5
Shaping mould 61, and the upper shaping mould 62 for being controlled and being moved up and down by hydraulic lock moulding press 5.Upper shaping mould 62 is pushed, with it is lower into
Pattern 61 closes up, and forms a circular hole 63, and the circular hole 63 is used to block the mouth of pipe of the spiral winding pipe 8 for inserting into the inner.
The front of circular hole 63, the horizontal auger winding pipe 8 of tubing transport platform 1 so that the mouth of pipe footpath of spiral winding pipe 8
It is straight enter hydraulic lock moulding press 5 opening portion in, then pushed by upper shaping mould 62, the spiral winding pipe 8 that will be stretched into is blocked.Tool
Body ground, tubing transport platform 1 is abutted with hydraulic lock moulding press 5, and the table top of tubing transport platform 1 is flushed with the lower end of circular hole 63.
Enlarging core mold 2 is arranged on movable plate.Hydraulic core 3 promotion movable plates of cutting somebody's hair draw close hydraulic lock moulding press 5, make
Obtain in the mouth of pipe of the insertion spiral winding pipe 8 of enlarging core mold 2.So, enlarging core mold 2 and flare formation mould 6 are all twined with spiral
The mouth of pipe around pipe 8 connects, and an interlayer 100 is formed between enlarging core mold 2 and flare formation mould 6.The shape and spiral shell of the interlayer 100
The flared part for revolving winding pipe 8 is consistent.
Two runner cast gates 64 of the respective injection runner 41 alignment flare formation mould 6 of two extruderses 4, runner cast gate 64
Communicated with interlayer 100.Two extruderses 4 start feed extrusion, and the material for having plastified pumps into flare formation mould 6 through spraying runner 41
It is interior.Material uniformly progressively shakeouts in specially designed flare formation mould 6, is then wrapped around being filled in formation spiral shell in interlayer 100
Revolve the flared part of winding pipe 8.Specifically, Fig. 4, Fig. 5 and Fig. 6 are referred to, runner cast gate 64 is located in the both sides of flare formation mould 6
Between, and its vertical section is in drops, water droplet tail end connection interlayer 100.The horizontal cross-section of runner cast gate 64 is in diffusion type, and centre sets
There is choked flow area 641.The stability of each point melt material residence time raising extrusion in die cavity can be so reduced, and can longitudinal direction
The built-in pressure of short distance uniformly flattens material.
Heating and thermal insulation oil duct 65 is set around interlayer 100 in flare formation mould 6；The neighbouring interval of heating and thermal insulation oil duct 65 sets
Put cooling water channel 66.It is to heat material is clamp-oned into heating and thermal insulation oil duct 65 after die cavity after enlarging, when flash test point is touched
After hair, oil external world die heater sucks back fuel tank in oil duct, and the cooling water channel 66 of its adjacent partition is quickly passed through cold water so that flared
The quick cooling and shaping of base.
Two flash triggering devices 7 are separately positioned on the top of interlayer 100 and the bottom of interlayer 100, work as when material is progressively full of
When reaching detection summit, the material triggering that flash triggering device 7 is pumped to shows to need the material of the tubing of enlarging to fill completely
Full product enlarging, output switching signal is to industrial computer.Industry control mechatronics two extruderses 4, hydraulic core are cut somebody's hair 3, hydraulic lock
Moulding press 5 and tubing transport platform 1, industrial computer is responded to switching signal, terminates extrusion flaring process, i.e.,：Trigger switch is rung
Ying Hou, control two extruderses 4 stop extrusion, and injection runner 41 is closed, and two extruderses 4 depart from hydraulic lock moulding press 5, hydraulic pressure
3 drive enlarging core molds 2 of core cutting somebody's hair are exited, and now hydraulic lock moulding press 5 opens the flare formation mould 6 for closing up, tubing conveying
The return of platform 1 is exited.So as to complete the extrusion flaring process of whole spiral winding pipe 8.Specifically, Fig. 7, flash triggering dress are referred to
Putting 7 includes：Flash valve fixed seat 71, flash feeler lever 72, guiding ptfe ring 73, pressure limiting nut 74, reseting pressuring spring 75, adjustment pressure are female
76th, high-precision electronic ruler 77 and resistance scale mounting seat 78.
Flash valve fixed seat 71 is fixed in flare formation mould 6 by being threaded into, and its vertical direction opens up feeler lever hole
711。
Flash feeler lever 72 is dissolved in feeler lever hole 711, and interlayer 100 is extend out to from the aperture in feeler lever hole 711.Flash feeler lever 72
Surface coats polytetrafluoroethylene floor.
It is embedded between flash valve fixed seat 71 and flash feeler lever 72 to be oriented to ptfe ring 73.
Pressure limiting nut 74 is sheathed on flash feeler lever 72, and screws in feeler lever hole 711.
Reseting pressuring spring 75 is sheathed on flash feeler lever 72, and one end props up the bottom of pressure limiting nut 74, and the other end props up flash valve and consolidates
Reservation 71.
Adjustment pressure female 76 is sheathed on flash feeler lever 72, and screws in pressure limiting nut 74 to adjust the elasticity pressure of reseting pressuring spring 75
Power.
The tail end of the connection flash of electronic ruler 77 feeler lever 72, for measuring compression variable.Resistance scale mounting seat 78 is fixed on excessive
Material valve fixed seat 71, for installing electronic ruler 77.
After material clamp-ons enlarging die cavity, the material for pouring by the gradually jack-up of flash feeler lever 72, until probe distal end face with
The inner surface of flare formation mould 6 is concordant, suppresses the step of flash feeler lever 72 by pressure limiting nut 74 is spacing, now high-precision electronic chi 77
The compression variable returned by the synthlipsis of flash feeler lever 72, that is, represent compression variable when product enlarging is completely filled with corresponding to material, should
Variable is pre-stored in industrial computer, when industrial computer reads the variable, starting switch signal response control.Meanwhile, flash triggering
The introducing of device 7 and flash test point also helps the discharge of mould intracavity gas.
The enlarging extrusion method based on the effective extrusion expanding device of above-mentioned spiral winding of the two of the present invention, including following step
Suddenly：
Spiral winding pipe 8 is sent into tubing transport platform 1 opening portion of hydraulic lock moulding press 5 straight.
Industrial computer control hydraulic lock moulding press 5 drives the upper shaping mould 62 of flare formation mould 6 to push, and lower shaping mould 61 1
Act the mouth of pipe for blocking spiral winding pipe 8.
Industrial computer control hydraulic core 3 promotion movable plates of cutting somebody's hair draw close hydraulic lock moulding press 5 so that enlarging core mold 2 is inserted
Enter in the mouth of pipe of spiral winding pipe 8.
Industrial computer controls two two runner cast gates 64 of the respective injection runner 41 alignment flare formation mould 6 of extruder 4,
Then control two extruderses 4 start feed extrusion, and the material that will have been plastified is pumped into institute's mouth shaping mould through spraying runner 41.
Two flash triggering devices 7 are detecting after material has been completely filled with product enlarging output switching signal to industry control
Machine.
Industrial computer is responded to switching signal, realizes following control：The respective injection runner 41 of control two extruderses 4 is closed
Close, then control two extruderses 4 to depart from hydraulic lock moulding press 5；3 drive enlarging core molds 2 of control hydraulic core cutting somebody's hair are exited；
Control hydraulic lock moulding press 5 opens the flare formation mould 6 for closing up；Control tubing transport platform 1 drives the return of spiral winding pipe 8 to move back
Go out.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (6)
1. the effective extrusion expanding device of a kind of spiral winding, it is characterised in that including tubing transport platform, be provided with enlarging core mold
Movable plate, the hydraulic core that promotes the movable plate cut somebody's hair, the two extruderses by each spraying runner extruded material, hydraulic pressure
Locked mode press and be installed on the hydraulic lock moulding press opening portion flare formation mould, wherein：
The tubing transport platform horizontal auger winding pipe, and the mouth of pipe of the spiral winding pipe is entered the hydraulic lock straight
The opening portion of moulding press；
The flare formation mould includes：The lower shaping mould of the hydraulic lock moulding press opening portion is fixed on, and with the hydraulic pressure
The upper shaping mould that locked mode press is moved up and down；The upper shaping mould and the lower shaping die combination form the pipe for holding spiral winding pipe
The circular hole that mouth is stretched into and blocked；
The hydraulic core is cut somebody's hair and promotes the movable plate, and the enlarging core mold is inserted the mouth of pipe of spiral winding pipe；It is described
An interlayer is formed between enlarging core mold and the flare formation mould；The flared part shape one of the interlayer and spiral winding pipe
Cause；
The flare formation mould is provided with the two runner cast gates communicated with the interlayer；
Two respective injection runners of extruder are directed at two runner cast gates of the flare formation mould one by one；
Also include industrial computer and two flash triggering devices；
Two flash triggering devices are separately positioned on the interlayer top and interlayer bottom, and two flash triggering devices exist
Detect material and be completely filled with after product enlarging output switching signal to the industrial computer；
Two extruders of the industry control mechatronics, the hydraulic core are cut somebody's hair, the hydraulic lock moulding press and the pipe
Material transport platform；The industrial computer is responded to switching signal, terminates extrusion flaring process；
The flash triggering device includes：
Screw-in is fixed in the flare formation mould and is provided with the flash valve fixed seat in a vertical feeler lever hole；
It is dissolved in the feeler lever hole and the aperture from the feeler lever hole and extend out to the flash feeler lever of the interlayer；
Guiding ptfe ring between the embedded flash valve fixed seat and the flash feeler lever；
It is sheathed on the flash feeler lever and screws in the pressure limiting nut in the feeler lever hole；
The flash feeler lever is sheathed on, and two ends are respectively held against the reset pressure of the pressure limiting nut and the flash valve fixed seat
Spring；
The flash feeler lever is sheathed on, and screws in the pressure limiting nut to adjust the adjustment pressure of the elastic pressure of the reseting pressuring spring
It is female；
Connect the flash feeler lever tail end for measure compress variable electronic ruler；And
It is fixed on the flash valve fixed seat and the resistance scale mounting seat for installing the electronic ruler；
The material retraction variable that the electronic ruler is measured when being completely filled with product enlarging is pre-stored in the industrial computer.
2. the effective extrusion expanding device of spiral winding according to claim 1, it is characterised in that the flash feeler lever surface
Coating polytetrafluoroethylene floor.
3. the effective extrusion expanding device of spiral winding according to claim 1, it is characterised in that the tubing transport platform with
The hydraulic lock moulding press is abutted；The table top of the tubing transport platform is flushed with the lower end of the circular hole.
4. the effective extrusion expanding device of spiral winding according to claim 1, it is characterised in that the runner cast gate is located at
In the middle of the flare formation mould both sides, and its vertical section is in drops, and water droplet tail end connects the interlayer.
5. the effective extrusion expanding device of spiral winding according to claim 4, it is characterised in that in the flare formation mould
Heating and thermal insulation oil duct is provided with around the interlayer；The neighbouring heating and thermal insulation oil duct is interval with cooling water channel.
6. a kind of based on the effective enlarging extrusion method for extruding expanding device of spiral winding described in claim 1, it is characterised in that
Including：
Spiral winding pipe is sent into the tubing transport platform opening portion of the hydraulic lock moulding press straight；
The industrial computer controls the hydraulic lock moulding press to drive the upper shaping mould of the flare formation mould to push, and lower shaping mould
The mouth of pipe of the spiral winding pipe is blocked together；
The industrial computer control hydraulic core is cut somebody's hair and promotes movable plate to draw close the hydraulic lock moulding press so that the enlarging
In the mouth of pipe of core mold insertion spiral winding pipe；
The industrial computer controls two runners that two respective injection runners of extruder are directed at the flare formation mould to pour
Mouthful, then control two extruders to start feed extrusion, the material that will plastify through injection runner pump into the enlarging into
In pattern；
Two flash triggering devices are detecting after material has been completely filled with product enlarging output switching signal to described
Industrial computer；
The industrial computer is responded to switching signal, realizes following control：
The respective injection runner closure of the extruder of control two, then controls two extruders to depart from the hydraulic lock
Moulding press；
Controlling the hydraulic core to cut somebody's hair drives the enlarging core mold to exit；
The hydraulic lock moulding press is controlled to open the flare formation mould for closing up；
The tubing transport platform is controlled to drive spiral winding pipe return to exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703253.XA CN105172087B (en) | 2015-10-26 | 2015-10-26 | Flaring extrusion device and method for spirally wound pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703253.XA CN105172087B (en) | 2015-10-26 | 2015-10-26 | Flaring extrusion device and method for spirally wound pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105172087A CN105172087A (en) | 2015-12-23 |
| CN105172087B true CN105172087B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703253.XA Active CN105172087B (en) | 2015-10-26 | 2015-10-26 | Flaring extrusion device and method for spirally wound pipe |
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| CN107214941A (en) * | 2017-07-07 | 2017-09-29 | 永高股份有限公司 | A kind of tube connector forming machine |
| CN108145945B (en) * | 2017-12-29 | 2023-04-28 | 台州市黄岩晶威模具有限公司 | Non-woven fabric extrusion die head and extrusion method thereof |
| CN112318861A (en) * | 2020-11-14 | 2021-02-05 | 邓权塑业科技（湖南）有限公司 | Pipeline flaring device capable of switching between constant temperature and high and low temperature |
| CN112847906B (en) * | 2021-01-25 | 2023-03-14 | 宜宾天亿新材料科技有限公司 | Multi-section type pipe heating device used before preparation of PVC-O pipe fitting |
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| CN202507534U (en) * | 2012-01-31 | 2012-10-31 | 何军 | Molding mold of polyethylene winding structure wall tube socket |
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| CN204622446U (en) * | 2015-04-16 | 2015-09-09 | 上海金纬挤出机械制造有限公司 | A kind of processing structure for the production of wrapped pipe joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20060097430A (en) * | 2005-03-09 | 2006-09-14 | 국제산업주식회사 | Spiral style pipe and manufacture device that use plastics quadrangle rod |
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|---|---|---|---|---|
| EP1439942B1 (en) * | 2001-10-25 | 2008-05-21 | Drossbach GmbH & Co. KG | Method and device for producing a reinforced socket on an extruded plastic tube made of thermoplastic material |
| CN202507534U (en) * | 2012-01-31 | 2012-10-31 | 何军 | Molding mold of polyethylene winding structure wall tube socket |
| CN103317729A (en) * | 2012-03-23 | 2013-09-25 | 青岛福润德塑料挤出技术有限公司 | Manufacturing method for online flaring continuously winding thermoforming spiral corrugated pipes |
| CN204622446U (en) * | 2015-04-16 | 2015-09-09 | 上海金纬挤出机械制造有限公司 | A kind of processing structure for the production of wrapped pipe joint |
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