CN109910260A - A kind of overlay film PVC board process units - Google Patents
A kind of overlay film PVC board process units Download PDFInfo
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- CN109910260A CN109910260A CN201910263379.8A CN201910263379A CN109910260A CN 109910260 A CN109910260 A CN 109910260A CN 201910263379 A CN201910263379 A CN 201910263379A CN 109910260 A CN109910260 A CN 109910260A
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- overlay film
- process units
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 32
- 238000007731 hot pressing Methods 0.000 claims abstract description 79
- 239000010408 film Substances 0.000 claims abstract description 60
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000009966 trimming Methods 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 239000010409 thin film Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000009954 braiding Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 110
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000005520 cutting process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of overlay film PVC board process units, which is characterized in that including extruder, molding die, shaping equipment, support roller bed frame, film covering device, trimming device, disconnecting device, stacking station and the oil temperature machine set gradually；The film covering device includes rack, the hot pressing roller group being arranged on the rack, multiple traction roller groups and thin-film unreeling mechanism for being located at hot pressing roller group rear；Hot pressing roller group includes upper hot-pressing roller and lower hot-pressing roller, and the oil temperature machine conveys hot oil for upward hot-pressing roller and lower hot-pressing roller simultaneously, and oil temperature machine has condenser, and the condenser is for cooling down to the oil for transporting to lower hot-pressing roller.The device can hot-pressing roller and lower hot-pressing roller convey the oil of different temperatures by an oil temperature machine while upwards.
Description
Technical field
The present invention relates to PVC board production technical field, in particular to a kind of overlay film PVC plate process units.
Background technique
Production PVC board can generally be kneaded in an extruder raw material foaming, be then expressed into molding die and form, and form
Plate afterwards can carry out cooling and shaping in forming machine, obtain product after cutting using fixed width fixed length, if necessary in production
When the PVC board of surface coating, overlay film can be also carried out after cooling and shaping.
Generally carry out film and PVC board being sent into can jointly when overlay film a upper hot-pressing roller and lower hot-pressing roller it
Between, film is overlayed on by heating pressurization by PVC board upper surface, since upper hot-pressing roller and lower hot-pressing roller are usually supplied by an oil temperature machine
Oil is heated, thus temperature between the two be it is the same, often (this is for deformation after the cooling period for plate after one side film
Since the thermal expansion coefficient of film is larger, cooling post-shrinkage ratio upwarps plate more greatly), and in fact, not covering when one side film
When the temperature of film one side is slightly lower, the plate of one side film will not be deformed (this is because plate meeting after overlay film when one side temperature is lower
Towards low temperature curving, film shrunk can even up plate after cooling).
Two oil temperature machines can be used thus respectively to upper hot-pressing roller and lower hot-pressing roller fuel feeding, but will increase energy consumption, and improve
The acquisition cost of production equipment.
As it can be seen that the prior art has much room for improvement and improves.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of productions of overlay film PVC plate to fill
It sets, the oil of different temperatures can be conveyed by an oil temperature machine while upward hot-pressing roller and lower hot-pressing roller.
In order to achieve the above object, this invention takes following technical schemes:
A kind of overlay film PVC plate process units, which is characterized in that including the extruder, molding die, sizing dress set gradually
It sets, support roller bed frame, film covering device, trimming device, disconnecting device, stacking station and oil temperature machine；The film covering device includes machine
Frame, the hot pressing roller group being arranged on the rack, multiple traction roller groups and thin-film unreeling mechanism for being located at hot pressing roller group rear；Heat
Pressure roller group includes upper hot-pressing roller and lower hot-pressing roller, and the oil temperature machine conveys hot oil for upward hot-pressing roller and lower hot-pressing roller simultaneously,
Oil temperature machine has condenser, and the condenser is for cooling down to the oil for transporting to lower hot-pressing roller.
In the overlay film PVC plate process units, the oil temperature machine further includes oil temperature owner's body, oil temperature owner's body
Oil outlet is provided with the first tee tube, is provided with the second tee tube, the condenser and first at oil temperature owner's body oil return opening
It is connected with first between tee tube and send oil pipe, is connected with second between the upper hot-pressing roller and the first tee tube and send oil pipe, it is described
The lower third that is connected between hot-pressing roller and condenser send oil pipe, and the first oil return is connected between the second tee tube and upper hot-pressing roller
Pipe, is connected with the second oil return pipe between the second tee tube and lower hot-pressing roller.
In the overlay film PVC plate process units, it is arranged between the oil temperature owner body oil outlet and the first tee tube
There is a first switch valve, a second switch valve is provided between oil temperature owner's body oil return opening and the second tee tube.
In the overlay film PVC plate process units, one is provided between second tee tube and second switch valve
Filter.
In the overlay film PVC plate process units, a temperature is each provided at the two entrances of second tee tube
Sensor is spent, the display for displays temperature sensor measurement is provided on oil temperature owner's body.
In the overlay film PVC plate process units, a stream is each provided at the two entrances of second tee tube
Adjustable valve.
In the overlay film PVC plate process units, described first send oil pipe, second that oil pipe, third is sent to send oil pipe, first
Oil return pipe and the second oil return pipe include tube body flexible, and the connector at tube body both ends is arranged in, and the spiral shell being set on tube body
Revolve spring wire；The both ends of the helical spring silk are connected with two connectors respectively, and the internal diameter of helical spring silk is greater than tube body
Outer diameter.
In the overlay film PVC plate process units, the tube body includes the inner tube set gradually from the inside to surface, thermal insulation layer
With stainless steel braiding layer.
In the overlay film PVC plate process units, the condenser be water cooled condenser, cooling water entrance with
External water system connection.
In the overlay film PVC plate process units, a flow tune is provided at the cooling water inlet of the condenser
Save valve.
The utility model has the advantages that
The present invention provides a kind of overlay film PVC plate process units, when overlay film, You Yitai oil temperature machine simultaneously to, upper hot-pressing roller and
Lower hot-pressing roller conveys hot oil, wherein the oil for transporting to lower hot-pressing roller can first pass through condenser cooling, to make the temperature of lower hot-pressing roller
It is lower than upper hot-pressing roller, be conducive to the deformation for improving one side film PVC board, and be not required to using two oil temperature machines respectively to upper heat
Pressure roller and lower hot-pressing roller fuel feeding, therefore the variation of the acquisition cost of energy consumption and production equipment is little.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of overlay film PVC plate process units provided by the invention.
Fig. 2 is the structural schematic diagram of film covering device in overlay film PVC plate process units provided by the invention.
Fig. 3 is the perspective view of oil temperature machine in overlay film PVC plate process units provided by the invention.
Fig. 4 is the connection figure of oil temperature machine and hot pressing roller group in overlay film PVC plate process units provided by the invention.
Fig. 5 is in overlay film PVC plate process units provided by the invention, and first send oil pipe, second that oil pipe, third is sent to send oil
The structural schematic diagram of pipe, the first oil return pipe and the second oil return pipe.
Specific embodiment
The present invention provides a kind of overlay film PVC plate process units, to make the purpose of the present invention, technical solution and effect more
Clear, clear, the present invention is described in more detail as follows in conjunction with drawings and embodiments.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
Herein, refer to that the direction that PVC board is transported, i.e. left side in Fig. 1 are preceding and rear reversed after.
Please refer to Fig. 1-5, a kind of overlay film PVC plate process units provided by the invention, which is characterized in that including successively setting
Extruder A, molding die B, shaping equipment C, support roller bed frame D, film covering device E, the trimming device F, disconnecting device G, heap set
Folded platform H and oil temperature machine I；The film covering device E includes rack 1, the hot pressing roller group 2 being arranged on the rack, multiple to be located at hot pressing
The traction roller group 3 and thin-film unreeling mechanism 4 at roller group rear；Hot pressing roller group includes upper hot-pressing roller 2.1 and lower hot-pressing roller 2.2, institute
State oil temperature machine I for simultaneously hot-pressing roller and lower hot-pressing roller conveying hot oil upwards, with condenser 5, which is used for oil temperature machine
Cool down to the oil for transporting to lower hot-pressing roller.
When work, raw material are expressed into molding die and form after being kneaded foaming in an extruder, fill subsequently into sizing
Cooling and shaping is set, is then further cooled down in support roller bed frame, overlay film in film covering device is entered back into, is successively filled later in trimming
It sets and is cut with progress fixed width and fixed length in disconnecting device, finally stacked in stacking station, wherein PVC plate is in traction roller group
It is moved under tractive force.In coating process, You Yitai oil temperature machine conveys hot oil to, upper hot-pressing roller and lower hot-pressing roller simultaneously,
In transport to lower hot-pressing roller oil can first pass through condenser cooling, to keep the temperature of lower hot-pressing roller lower than upper hot-pressing roller, be conducive to
Improve the deformation of one side film PVC board, and be not required to using two oil temperature machines respectively to upper hot-pressing roller and lower hot-pressing roller fuel feeding,
Therefore the variation of the acquisition cost of energy consumption and production equipment is little.
In the present embodiment, the thin-film unreeling mechanism 4 includes let off roll 4.1 and guide roller 4.2, and film roll, which is set in, to be unreeled
On roller 4.1, the both ends of let off roll are arranged on bearing block, and bearing block is fixed on 1 top of rack.
Further, see that Fig. 3,4, the oil temperature machine I further include oil temperature owner body 6, the oil outlet of oil temperature owner's body is set
It is equipped with the first tee tube 7, the second tee tube 8, the condenser 5 and the first tee tube 7 are provided at oil temperature owner's body oil return opening
Between be connected with first and send oil pipe 9, be connected with second between the upper hot-pressing roller 2.1 and the first tee tube 7 and send oil pipe 10, it is described
It is connected with third between lower hot-pressing roller 2.2 and condenser 5 and send oil pipe 11, is connected between the second tee tube 8 and upper hot-pressing roller 2.1
First oil return pipe 12 is connected with the second oil return pipe 13 between second tee tube 8 and lower hot-pressing roller 2.2.
Wherein, oil temperature owner body 6 is oil temperature machine in the prior art, mainly includes shell, fuel tank, heater, oil pump pump
With cooling system etc., any one oil temperature machine in the market can be.Upper hot-pressing roller 2.1 and lower hot-pressing roller 2.2 and corresponding oil pipe
It is connected by rotary joint.
When the oil temperature machine works, hot oil send oil pipe to be routed directly to upper hot pressing from oil outlet output rear portion by second
Roller, another part first pass through condenser cooling and are sent to lower hot-pressing roller again, and that flows back from upper hot-pressing roller and lower hot-pressing roller is oily from oil return
Collect at mouthful and returns in oil temperature owner body.
Further, a first switch valve is provided between 6 oil outlet of oil temperature owner body and the first tee tube 7
14, a second switch valve 15 is provided between 6 oil return opening of oil temperature owner body and the second tee tube 8.When progress oil temperature owner body
Maintenance when, first switch valve and second switch valve can be closed, avoid in pipeline oil leakage.
Due to hot-pressing roller, oil temperature owner's body fuel tank and pipeline inside may generate impurity after a longer time of use
A filter 16 can be arranged in (such as iron rust) between second tee tube 8 and second switch valve 15.It can be filtered by filter
Impurity in oil removing avoids the more and more last depositions of impurity from blocking pipeline in the duct.Filter is the prior art, can be from city
It is directly commercially available on field, the STY series y-type filter produced such as Suzhou Hua Kai filtering technique Co., Ltd.It certainly, can also be
One filter is respectively set at the two entrances of the second tee tube 8, to be filtered respectively to two-way oil return, but is set with above-mentioned
The mode for setting a filter is compared, and is improved the complexity of structure, is reduced system reliability.
Preferably, a secondary oil return opening (the pair oil return opening is connected to fuel tank) can be set on the oil temperature owner body 6, and
One auxiliary switch valve 17 is set in the pair oil return opening, which connect with one end of a secondary oil return pipe 18, secondary oil return pipe
The other end be connected between the second tee tube 8 and filter 16.When resulting in blockage when the impurity accumulated in filter is excessive,
Openable auxiliary switch valve 17, makes oil return flow back from secondary oil return pipe, waits production works to complete and cleared up again after shutting down, avoids shadow
Ring being normally carried out for production work.
In order to realize the Hand scarf of filter 16, a switch can be set between filter 16 and the second tee tube 8
Valve (does not have picture) in figure, when Hand scarf, close the switch valve and second switch valve 15, and open auxiliary switch valve 17, at this point, oil from
Secondary oil return pipe flows back and can not flow at filter, therefore can be cleared up in the case where not shutting down.
In order to realize the real time monitoring to two-way oil temperature, one is each provided at the two entrances of second tee tube 8
Temperature sensor 19 is provided with the display 6.1 for displays temperature sensor measurement on oil temperature owner body 6.
Further, a flow control valve 20 can be each provided at the two entrances of second tee tube 8.Pass through
The aperture for adjusting two flow control valves can be appreciated that flow proportional between two-way oil circuit, to adjust between hot-pressing roller up and down
Temperature difference can need be adjusted when production, to obtain best overlay film effect according to realizing.
See Fig. 5, described first send oil pipe 9, second that oil pipe 10, third is sent to send oil pipe 11, the first oil return pipe 12 and second time
Oil pipe 13 includes tube body 21 flexible, the connector 22 at tube body both ends is arranged in, and the helical spring silk being set on tube body
23；The both ends of the helical spring silk are connected with two connectors respectively, and the internal diameter D1 of helical spring silk is greater than the outer diameter of tube body.
When these send oil-piping exposed arrangement in workshop, it is easy scald worker, and if directly giving oil pipe
One layer of thermal insulation layer is covered on outer surface, the thickness of tube body can be made to greatly improve, to reduce the flexibility for sending oil-piping, makes to send oil pipe
Road is difficult to carry out wide-angle bending with small-bend radius, causes difficulty to the arrangement for sending oil-piping.Herein, outside tube body flexible
It is arranged a helical spring silk, and its internal diameter is greater than the outer diameter of tube body, when worker, which accidentally touches, send oil-piping, skin meeting
Tube body can not be touched by being separated by helical spring silk, to avoid scalding.And since helical spring silk can be with sending oil-piping one
With bending, to sending oil-piping curved obstruction power very little, therefore the flexibility for sending oil-piping will not influence.
Further, the screw pitch (the distance between two i.e. adjacent circle spring wire rings) of the helical spring silk 23 is little
In 6mm, the internal diameter D1 of helical spring silk is 6mm or more bigger than the outer diameter of tube body, and (i.e. the difference of radius is in 3mm or more).In the feelings of accidentally touching
Under condition (unintentional finger is filled in inward in the case that), the contact force between human body and helical spring silk is little, if it is manpower
It accidentally touches, the finger which can avoid adult is passed through between the gap of helical spring silk, and the situation little in contact force
Under, skin and flesh does not exceed 3mm from the height that the gap location sink, to can effectively avoid scald when hand accidentally touches.
In the present embodiment, the tube body 21 includes the inner tube 21.1 set gradually from the inside to surface, thermal insulation layer 21.2 and stainless
Steel braiding layer 21.3.Wherein, thermal insulation layer can play insulation effect, and the heat of hot oil is avoided to scatter and disappear too much, which is preferably
Asbestos braiding layer, can keep the temperature also has flexibility；Stainless steel braiding layer shields to inner tube and thermal insulation layer.
Wherein, the connector 22 has sheath body portion 22.1, which is socketed in the end of tube body 21, passes through sheath body portion
Clamping action, can avoid stainless steel braiding layer and asbestos braiding layer is loose in end, it is ensured that the integrality of structure.The sheath body portion
22.1 end is provided with flange 22.2, and the cross section of the flange is circle, can avoid the edge mill of sheath body portion when tube body bending
Damage stainless steel braiding layer.A connection bulge loop 22.3, the end of the helical spring silk 19 are additionally provided in the sheath body portion 22.1
It is connected with the connection bulge loop and (welds, is glued, being threadedly coupled).
The connector 22 further includes the hexagon connecting nut 22.4 that rotation is set in sheath body portion 22.1, and one end of sheath body portion is stretched
Enter in the hexagon connecting nut and is arranged with an elastic seal ring 22.5.Connected by hexagon connecting nut and external connector
When connecing, the end of external connector can be pressed on elastic seal ring 22.5 effectively to seal.
Preferably, the outside of the one end of the elastic seal ring 22.5 backwards to tube body 21 is frustum-like shape.When external connection
When the elastic seal ring is compressed in the end of head, have enough spaces to bullet between elastic seal ring and hexagon connecting nut 22.4
Property sealing ring compressive deformation.
The condenser 5 can be air-cooled condenser, be also possible to water-cooled condenser, it is preferred that described cold
Condenser is water cooled condenser, and cooling water entrance is connect with external water system.Using water cooled condenser, cooling efficiency
It is higher, keep the adjustable extent of the temperature difference between upper and lower hot-pressing roller bigger.
Further, a flow control valve 24 is provided at the cooling water inlet of the condenser 5.By adjusting the stream
The aperture of adjustable valve 24, be adjusted cooling water flow, thus adjust oil cooling temperature, and then adjust up and down hot-pressing roller it
Between the temperature difference.
The condenser 5 may be provided in oil temperature owner body 6, may also be arranged on outside oil temperature owner body 6, it is preferable that the condensation
Device setting is external in oil temperature owner, in this way, outside the oil temperature machine of the prior art additional condenser can be installed, without to setting in oil temperature machine
Standby arrangement is redesigned, and research and development and the production cost of the oil temperature machine are greatly reduced.
When condenser 5 be arranged it is external in oil temperature owner, can the surface of condenser cover one layer of thermal insulation layer, avoid scalding.
See Fig. 2, the traction roller group 3 includes upper traction roller and lower traction roller, and upper traction roller and lower traction roller are water cooling
Formula chill roll, and connect by rotary joint with external water system.Traction roller group can be while providing tractive force, in time
PVC board coated with film is cooled down, solidification is accelerated.Wherein, the position of lower traction roller and lower hot-pressing roller 2.2 is fixed, upper traction
The end of roller and upper hot-pressing roller, which is threaded through, can slide up and down on bearing block 25, which is driven by cylinder 26；Pass through tune
The height of traction roller and upper hot-pressing roller is suitable for the production requirement of different-thickness PVC board on section.
See that Fig. 1, the shaping equipment C have multiple pressure exerting arrangements 27, each pressure exerting arrangement 27 includes fixed lower bolster
With the upper holder block that can be arranged in up or down above lower bolster, upper holder block is driven by the cylinder, and is had in lower bolster and upper holder block
Cavity, the cavity are connect with external water system, and the downward bolster of external water system and upper holder block conveying cooling water carry out
It is cooling.
The trimming device F includes roller bed frame and the trimming mechanism 28 that is arranged in above roller bed frame, which can be with
It is two cutters, can also be two power saws, and the position of cutter or power saws in PVC board width direction is adjustable.
The disconnecting device G includes the board that can be moved forward and backward, and the cylinder 29 for driving board mobile, and setting exist
The cutting mechanism 30 of board；Wherein cutting mechanism includes the cutter or electronic that can be moved back and forth in PVC board width direction
Saw, and motor and transmission mechanism for driving cutter or power saws movement.When carrying out cutting work, cylinder 29 drives board
It is moved in the same direction with PVC board constant speed, while cutter or power saws are moved in the width direction and are cut off.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to protection scope of the present invention.
Claims (10)
1. a kind of overlay film PVC plate process units, which is characterized in that including the extruder, molding die, sizing dress set gradually
It sets, support roller bed frame, film covering device, trimming device, disconnecting device, stacking station and oil temperature machine；The film covering device includes machine
Frame, the hot pressing roller group being arranged on the rack, multiple traction roller groups and thin-film unreeling mechanism for being located at hot pressing roller group rear；Heat
Pressure roller group includes upper hot-pressing roller and lower hot-pressing roller, and the oil temperature machine conveys hot oil for upward hot-pressing roller and lower hot-pressing roller simultaneously,
Oil temperature machine has condenser, and the condenser is for cooling down to the oil for transporting to lower hot-pressing roller.
2. overlay film PVC plate process units according to claim 1, which is characterized in that the oil temperature machine further includes oil temperature
Owner's body, the oil outlet of oil temperature owner's body are provided with the first tee tube, are provided with the second threeway at oil temperature owner's body oil return opening
Pipe, is connected with first and send oil pipe, connect between the upper hot-pressing roller and the first tee tube between the condenser and the first tee tube
It is connected to second and send oil pipe, third is connected between the lower hot-pressing roller and condenser and send oil pipe, the second tee tube and upper hot-pressing roller
Between be connected with the first oil return pipe, be connected with the second oil return pipe between the second tee tube and lower hot-pressing roller.
3. overlay film PVC plate process units according to claim 2, which is characterized in that the oil temperature owner body oil outlet
It is provided with a first switch valve between the first tee tube, is provided with one between oil temperature owner's body oil return opening and the second tee tube
A second switch valve.
4. overlay film PVC plate process units according to claim 3, which is characterized in that second tee tube and second
A filter is provided between switch valve.
5. overlay film PVC plate process units according to claim 2, which is characterized in that two of second tee tube
Inlet is each provided with a temperature sensor, is provided on oil temperature owner's body for the aobvious of displays temperature sensor measurement
Show device.
6. overlay film PVC plate process units according to claim 2, which is characterized in that two of second tee tube
Inlet is each provided with a flow control valve.
7. overlay film PVC plate process units according to claim 2, which is characterized in that described first send oil pipe, second
Sending oil pipe, third to send oil pipe, the first oil return pipe and the second oil return pipe includes tube body flexible, and connecing for tube body both ends is arranged in
Head, and the helical spring silk being set on tube body；The both ends of the helical spring silk are connected with two connectors respectively, and spiral
The internal diameter of spring wire is greater than the outer diameter of tube body.
8. overlay film PVC plate process units according to claim 7, which is characterized in that the tube body includes from the inside to surface
Inner tube, thermal insulation layer and the stainless steel braiding layer set gradually.
9. overlay film PVC plate process units according to claim 2, which is characterized in that the condenser is water cooling cold
Condenser, cooling water entrance are connect with external water system.
10. overlay film PVC plate process units according to claim 9, which is characterized in that the cooling water of the condenser
Inlet is provided with a flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910263379.8A CN109910260A (en) | 2019-04-02 | 2019-04-02 | A kind of overlay film PVC board process units |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910263379.8A CN109910260A (en) | 2019-04-02 | 2019-04-02 | A kind of overlay film PVC board process units |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481030A (en) * | 2019-07-29 | 2019-11-22 | 安徽润象新材料科技有限公司 | A kind of environment-friendly type wide format steel plastic compount compartment board producing device and its technique |
| CN116587619A (en) * | 2023-05-17 | 2023-08-15 | 江苏科至信高分子材料股份有限公司 | Preparation device and method of shape memory thermoplastic elastomer |
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| JPH0858020A (en) * | 1994-08-26 | 1996-03-05 | Kanegafuchi Chem Ind Co Ltd | Flexible copper clad laminated film and production thereof |
| CN101441414A (en) * | 2007-11-22 | 2009-05-27 | 乐凯集团第二胶片厂 | Production process of flexible photosensitive resin plate |
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| CN104924723A (en) * | 2015-06-17 | 2015-09-23 | 南通和和塑胶新材料有限公司 | Energy-saving combination machine |
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