CN207327566U - Length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming - Google Patents
Length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming Download PDFInfo
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- CN207327566U CN207327566U CN201721376550.9U CN201721376550U CN207327566U CN 207327566 U CN207327566 U CN 207327566U CN 201721376550 U CN201721376550 U CN 201721376550U CN 207327566 U CN207327566 U CN 207327566U
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- vacuum chamber
- water
- polyphenylene oxide
- length
- shaping equipment
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Abstract
It is used to polydiphenyl ether plastics pipeline the utility model discloses one kind be molded, and length-adjustable water-bath shaping equipment.High performance polydiphenyl ether plastics pipe can be produced with the shaping equipment, the good comprehensive performance of polyphenylene oxide is transferred on plastic conduit product, improves the comprehensive performance such as polydiphenyl ether plastics pipe explosion intensity, pressure-resistant, shock resistance.The characteristics of water-bath shaping equipment be as needed can flexible modulation sizing cooling when water-bath length, control intensity of cooling and the time of polyphenylene oxide, ensure that polyphenylene oxide pipeline can be molded under optimal setting process, its occupied space is few, operation is flexible, easy to maintain, suitable for most of plastics.
Description
Technical field
The utility model belongs to plastic conduit production equipment field, is related to the cooling device of polydiphenyl ether plastics pipeline extrusion,
A kind of specially length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming.
Background technology
It is essential process by vacuum cooled sizing, cooling procedure is shadow in plastic tube extrusion forming process
An important factor for ringing extrusion efficiency and product quality.The cooling sizing mode of extrusion tubing is with sizing outside vacuum at present
Based on shower water cooling, tubing cooling and shaping section includes the three parts such as calibration sleeve section, annealing section and bosh section.Tubing squeezes
Go out in unit, sizing cooling section should select the suitable type of cooling and length：Length is too short, and product is easily deformed, it is difficult to protects
Demonstrate,prove its dimensional stability；Cooling section is long, then equipment cost is high, takes up a large area, and units consumption is big.
Li Jings etc. exist《The numerical simulation of extrusion plastic pipe spraying cooling》With ANSYS to spraying cooling Transient Heat Transfer in one text
Simulated, be vacuum sizing spraying cooling sink from vacuum tank optimization of inside structure and spray rate control angularly
Global optimization propose reasonable proposal, but influence of the vacuum shaping box length to pipe performance is not evaluated.Su Yan etc.
《The modeling of extrusion molding plastic pipe cooling procedure and Simulation on Temperature Field》Heat transfer principle is applied in one text, is considered poly-
Ethene physical property variation with temperature rule, analyzes and establishes the heat transfer model of tube extrusion cooling procedure, with finite difference calculus meter
Point counting is analysed, and is drawn the temperature variation curve for cooling down each node, is not researched and analysed from the length of vacuum shaping box equally.Patent
Document CN204820292U discloses a kind of spray cooling device of new structure, improves tubing cooling and shaping efficiency；
CN106738785A disclose it is a kind of sizing babinet two helical form cooling tubes with spray equipment are housed so that tubing is cold
But 360 ° of directions can be carried out potent cooling during；CN205735730U improves cooling effectiveness in tubing also for pressure
Inside and outside cools down at the same time during cooling and shaping；CN206326834U from tubing shape when intensity of cooling start with and devise a kind of three sections
Formula tubing cooling apparatus for shaping.It will be apparent that document disclosed above is all from the angle analyzing for how improving cooling effectiveness
Vacuum shaping box is designed, the rapidoprint considered is all general-purpose plastics such as polyolefin, these design inventions have one jointly
The characteristics of, there is preferable effect both for the relatively low Polymer Processing plastic pipe of glass transition, but for high-vitrification
Turn the polymeric material of temperature, strengthening cooling can only cause pipe performance to decline, it is therefore desirable to which according to material itself the characteristics of comes
Design the shaping equipment of plastic pipe.
The content of the invention
At present using the shaping for being used for polyphenylene oxide tubing with the spray cooling system for strengthening cooling effect, can seriously affect
The mechanical property and bearing capacity of polydiphenyl ether plastics pipe, the cooling and shaping method generally used in plastic conduit industry at present for
Polyphenylene oxide tubing does not apply to.
The utility model aim is for polymeric material processing plastic pipe of the glass transition temperature more than 150 DEG C
When, design a kind of new tubing cooling and shaping device.The characteristics of water-bath shaping equipment be as needed can flexible modulation determine
Water-bath length when type cools down, controls intensity of cooling and the time of polyphenylene oxide, ensures that polyphenylene oxide pipeline can be in optimal setting process
Lower shaping, its occupied space is few, and operation is flexible, easy to maintain, suitable for most of plastic conduits.
The utility model adopts the following technical scheme that realization：
A kind of length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming, including vacuum chamber, the vacuum
Tube material sizing sleeve is installed in babinet front end, and the vacuum chamber is equipped with water inlet, water outlet and vaccum exhaust outlet；The vacuum tank
Suspend installation circle tube cylinder in vivo, and the rear end inner wall of the circle tube cylinder rear end and vacuum chamber is connected；The vacuum tank
The rear end side wall of body penetrates at least two locating rods by sealing ring respectively, and two locating rods are located in circle tube cylinder and it
Front end is fixed with main metal ring, passes through secondary metal ring and elastic mounting bolt fastening installation annular on the main metal ring
Water proof seal gasket, the outer ring of the annular water proof seal gasket are in close contact with circle tube cylinder；After the vacuum chamber
End pipe outlet is provided with vacuum chamber exit seal rubber cushion；The annular water proof sealing foot pad and vacuum chamber exit seal glue
The outer ring of pad is in close contact with plastic pipe outer wall.
Above-mentioned length-adjustable water-bath shaping equipment, its key are that water-bath length of setting section is advised according to the tubing of production
Lattice, production technology can be adjusted in due course, it includes a babinet, an also circular cylinder body in babinet, in cylinder body
There is one there is sealing function and the piston ring that can be moved left and right, piston ring outer rim are contacted with circular cylinder body inner wall, piston ring
Inner edge is contacted with the tubing that continuously moves during production, piston ring with to water with sealing function.
Babinet is connected with vacuum pump, can be made plastic pipe is inside and outside to form pressure difference to being vacuumized in babinet, gone back on babinet
Water inlet and water outlet are connected with, when piston ring moves left and right, by water inlet to moisturizing in babinet, or passes through water outlet
It is externally drained to babinet, box house chilled water is maintained in a metastable height.
The utility model has the beneficial effect that compared with prior art：
1st, the shaping equipment is simple in structure, and spray equipment is eliminated in babinet, and polyphenylene oxide tubing cooling and shaping process is equal
It is even and slow.
2nd, the shaping equipment can be used for the extrusion molding of nearly all thermoplastic plastic pipe.
3rd, cooling and shaping length is adjusted according to the thermal property of plastics, it is ensured that obtained pipe performance is optimum state, no
With to plastic pipe it is offline after carry out heat-treatment of annealing again.
In short, described in the utility model be used for the shaping of polydiphenyl ether plastics pipeline and length-adjustable water-bath shaping equipment,
High performance polydiphenyl ether plastics pipe can be produced with the shaping equipment, the good comprehensive performance of polyphenylene oxide is transferred to plastic conduit
On product, the comprehensive performance such as polydiphenyl ether plastics pipe explosion intensity, pressure-resistant, shock resistance is improved.
Brief description of the drawings
Fig. 1 shows the structure diagram of the adjustable vacuum water-bath cooling and shaping device of length.
In figure, 1- vacuum chambers, 2- babinet forms, 3- circle tube cylinders, 4- locating rods, 5- vacuum chamber exit seal glue
Pad, 6- plastic pipes, 7- annular water proof seal gaskets, 8- tube material sizing sleeves, 9- pair metal rings, 10- elastic mounting bolts,
11- sealing rings, 12- water inlets, 13- water outlets, 14- vaccum exhaust outlets, the main metal rings of 15-.
Embodiment
Utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
A kind of length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming, as shown in Figure 1, including vacuum chamber
1,1 upper surface of vacuum chamber is equipped with babinet form 2, for observing box house.Vacuum chamber 1 is equipped with water inlet 12, water outlet
Mouth 13 and vaccum exhaust outlet 14, can be with the vacuum in control cabinet body, to adjust the outer of tubing by the vaccum exhaust outlet 14
Footpath, and water inlet 12 and water outlet 13 mainly control cooling water height of water level in vacuum tank, make tubing liquid in type-approval process
Position height keeps stablizing, and height of water level is adjusted according to tubing bore, but to ensure that the tubing in type-approval process is immersed in water all the time
In bath.Tube material sizing sleeve 8 is installed in 1 front end of vacuum chamber, and high-temperature fusant pipe completes preliminary sizing in calibration sleeve, it is submergence
In water-bath section in babinet, the preliminary cooling and shaping of tubing is also completed in water-bath section, tubing 6 is had certain rigidity.
The circle tube cylinder 3 of inner wall smooth is installed as shown in Figure 1, suspending in vacuum chamber 1, after the circle tube cylinder 3
The rear end inner wall with vacuum chamber 1 is held to be connected；The rear end side wall of vacuum chamber 1 penetrates at least two by sealing ring 11 respectively to be determined
Position bar 4, two locating rods 4 are located in circle tube cylinder 3, that is to say, that locating rod 4 is stretched to outside vacuum chamber in cylinder body 3
Portion, one end of locating rod 4 are exposed at outside vacuum chamber, and quantity at least two, it is connected with actuating unit, can synchronously left and right
Mobile, locating rod is fixed on vacuum chamber by a sealing ring with sealing function.The front end of locating rod 4 is fixed with main gold
Belong to annulus 15, the side-to-side movement of positioning rod piece 4 just drives main metal ring 15 to be synchronized with the movement, to ensure sealing effect, rubber cushion
Between being tightly secured in two pieces of metal rings by bolt, i.e., pass through secondary metal ring 9 and elastic mounting spiral shell on main metal ring 15
The annular water proof sealing foot pad 7 of the fastening installation of bolt 10 forms piston ring, and the diameter of bore of rubber cushion 7 is less than the outside diameter of processing tubing, and
Outside diameter is then more than the internal diameter of cylinder body 3, then the outer ring of annular water proof seal gasket 7 is in close contact with circle tube cylinder 3.Vacuum chamber
1 rear end pipe outlet is provided with vacuum chamber exit seal rubber cushion 5, and vacuum chamber pipe outlet seal gasket 5 is fixed on very
On empty van body wall, its diameter of bore is identical with rubber cushion 7, less than the outside diameter of processed tubing.Annular water proof seal gasket 7 and true
The outer ring of empty van body exit seal rubber cushion is in close contact with 6 outer wall of plastic pipe.Piston ring connects with circular cylinder body and tubing
Touch, its function mainly controls water-bath length, prevents water from entering in circular cylinder body, it is the core component of the device, piston
It by one piece of thickness is 3~10mm silicon rubber annular in shape that ring, which is, has sealing function by bolt presses, composition with two blocks of steel loops
Piston ring, there is on steel loop threaded hole to be connected with movement rod piece.Even and if then locating rod 4 moves left and right rubber cushion, also both can guarantee that
Water in water-bath section cannot enter anhydrous section, and can guarantee that air-tightness.Main metal ring 15 is identical with 9 size of secondary metal ring,
Thickness is 4~8mm.
When it is implemented, circular cylinder body and internal piston ring, according to the bore specification and speed of production of tubing, pass through work
Plug ring is controlled water-bath length, and then controls polyphenylene oxide tubing to reach best sizing effect in appropriate length of setting section
Fruit.The method of water-bath length control is that piston ring is connected on the identical and parallel positioning rod piece of at least two length, one end
Stretch to outside babinet and be connected with actuating unit, actuating unit can be hydraulic device or servomotor etc..
It should be pointed out that for the those skilled in the art of the art, before the utility model principle is not departed from
Put, some improvement and application can also be made, these are improved and application is also considered as the scope of protection of the utility model.
Claims (4)
1. a kind of length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming, including vacuum chamber（1）, the vacuum
Babinet（1）Front end is installed by tube material sizing sleeve（8）, the vacuum chamber（1）It is equipped with water inlet（12）, water outlet（13）And vacuum
Exhaust outlet（14）；It is characterized in that：The vacuum chamber（1）The interior installation circle tube cylinder that suspends（3）, the circle tube cylinder
（3）Rear end and vacuum chamber（1）Rear end inner wall be connected；The vacuum chamber（1）Rear end side wall pass through sealing ring respectively
（11）Penetrate at least two locating rods（4）, two locating rods（4）Positioned at circle tube cylinder（3）Interior and its front end is fixed with main gold
Belong to annulus（15）, the main metal ring（15）It is upper to pass through secondary metal ring（9）With elastic mounting bolt（10）Fasten mounting ring
Shape water proof seal gasket（7）, the annular water proof seal gasket（7）Outer ring and circle tube cylinder（3）It is in close contact；It is described true
Empty van body（1）Rear end pipe outlet vacuum chamber exit seal rubber cushion is installed（5）；The annular water proof seal gasket（7）
With the outer ring of vacuum chamber exit seal rubber cushion and plastic pipe（6）Outer wall is in close contact.
2. the length-adjustable water-bath shaping equipment according to claim 1 for polyphenylene oxide tube forming, its feature exists
In：The vacuum chamber（1）Upper surface is equipped with babinet form（2）.
3. the length-adjustable water-bath shaping equipment according to claim 1 or 2 for polyphenylene oxide tube forming, its feature
It is：The main metal ring（15）With secondary metal ring（9）Size is identical, and thickness is 4~8mm.
4. the length-adjustable water-bath shaping equipment according to claim 3 for polyphenylene oxide tube forming, its feature exists
In：The annular water proof sealing Footpad thickness is 3~10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376550.9U CN207327566U (en) | 2017-10-24 | 2017-10-24 | Length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376550.9U CN207327566U (en) | 2017-10-24 | 2017-10-24 | Length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming |
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| Publication Number | Publication Date |
|---|---|
| CN207327566U true CN207327566U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721376550.9U Active CN207327566U (en) | 2017-10-24 | 2017-10-24 | Length-adjustable water-bath shaping equipment for polyphenylene oxide tube forming |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341159A (en) * | 2019-07-18 | 2019-10-18 | 义乌市城西机械有限公司 | A kind of interval pattern dovetail groove tube head suction pipe machining production line |
-
2017
- 2017-10-24 CN CN201721376550.9U patent/CN207327566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341159A (en) * | 2019-07-18 | 2019-10-18 | 义乌市城西机械有限公司 | A kind of interval pattern dovetail groove tube head suction pipe machining production line |
| CN110341159B (en) * | 2019-07-18 | 2021-12-03 | 义乌市城西机械有限公司 | Production line for machining pipe head suction pipes with spaced dovetail grooves |
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