CN204149486U - A kind of nitrogen gas foaming prepares the production line of PP hollow sheeting - Google Patents
A kind of nitrogen gas foaming prepares the production line of PP hollow sheeting Download PDFInfo
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- CN204149486U CN204149486U CN201420609633.8U CN201420609633U CN204149486U CN 204149486 U CN204149486 U CN 204149486U CN 201420609633 U CN201420609633 U CN 201420609633U CN 204149486 U CN204149486 U CN 204149486U
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- nitrogen
- production line
- nitrogen gas
- extruder
- hollow sheeting
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Abstract
The utility model provides the production line that a kind of nitrogen gas foaming prepares PP hollow sheeting, comprise the extruder sequentially arranged, draping filter, extrusion die, calibrator, first hauling machine, baking oven, raceway, second hauling machine, automatic plate cutting machine and collection pallet, also comprise nitrogen gas generating device and nitrogen supercharging device, described nitrogen gas generating device comprises nitrogen-making device, the controller be connected with nitrogen-making device, with the meter of controller by pipeline communication, described nitrogen supercharging device comprises the air air pump sequentially connected by pipeline, air constant-temperature purification device and booster pump.The utility model forms novel PP hollow sheet production line, this production line compact conformation by arranging each parts of working in coordination, and nitrogen use amount greatly reduces, and has saved nitrogen cost; Finished surface is smooth, and product weight can reduce 30 ~ 40%, greatly saves raw material, shock-resistant, and shock-absorbing capacity is good, heat insulation, defening effect good, therefore this production line has very large economic benefits, is easy to promote.
Description
Technical field
The utility model relates to PP hollow sheeting production equipment, relates generally to a kind of production equipment adopting nitrogen gas foaming technique to make PP hollow sheeting.
Background technology
PP hollow sheeting is a kind of novel environment-friendly package material, in use can not produce dust, and long service life, be more than 4-10 times of the corrugated board life-span, recoverable, there is the trend replacing corrugated sheet made of paper gradually, be mainly reflected in the packing of product, in addition due to PP hollow sheeting light weight, good toughness, size is flexible, and relative cost is low, is equipped with the impetus that the shaping PP hollow plate container of various accessory has alternative injection molding turnover box.But, current PP hollow sheeting is on the market extruder and directly extrudes, for cooling the entity structure of formation after PP melting, along with the lighting for product of the lifting of the cost of raw material and market requires and better shock-absorbing capacity requirement, manufacturer and market are needed badly and are found better production method to reach cost-saving and satisfied higher requirement.
Utility model content
Technical problem to be solved in the utility model is, overcomes deficiency of the prior art, provides a kind of practicality, stable, the efficient production line preparing PP hollow sheeting by nitrogen gas foaming technique.
The utility model is achieved through the following technical solutions:
A kind of nitrogen gas foaming prepares the production line of PP hollow sheeting, comprise the extruder, draping filter, extrusion die, calibrator, the first hauling machine, baking oven, raceway, the second hauling machine, automatic plate cutting machine and the collection pallet that sequentially arrange, extruder is connected with draping filter, draping filter is connected to extrusion die, and extrusion die is connected with calibrator, the top of described extruder is provided with feed hopper, the outside of extruder is coated with heated die plate, extruder also comprises barrel, is positioned at the screw rod of barrel and is opened in the injecting hole in the middle part of barrel, the output of blender connects with the input of barrel, the output of barrel is provided with extruder head, and extruder head connects with extrusion die through draping filter, describedly also comprise nitrogen gas generating device and nitrogen supercharging device, described nitrogen gas generating device comprises nitrogen-making device, the controller be connected with nitrogen-making device, with the meter of controller by pipeline communication, described nitrogen supercharging device comprises the air air pump sequentially connected by pipeline, air constant-temperature purification device and booster pump, the gas access of described booster pump is connected with the meter on described nitrogen gas generating device, the gas vent of booster pump is connected to the injecting hole on described extruder in the middle part of barrel by pipeline, on the pipeline that the gas vent of booster pump is connected with injecting hole, be provided with check (non-return) valve.
As preferably, described barrel is made up of stainless steel.
As preferably, described air constant-temperature purification device is air-cooled cold lyophilizer.
As preferably, described nitrogen-making device comprises the air compressor, air cushioning tank, filter, heater, oxygen and nitrogen separation device, the nitrogen buffer tank that sequentially arrange, and according to different situations, nitrogen-making device also can be nitrogen cylinder.
As preferably, described first hauling machine, the second hauling machine draw-gear all for being made up of upper and lower two series cylinders.
As preferably, add heating apparatus in the outside of the first hauling machine, raceway, the second hauling machine, together with the heating and act on of baking oven, for eliminating the stress on PP hollow board material surface.
As preferably, metal coating line is added between second time drafting machine and automatic plate cutting machine, for carrying out metal coating to obtained PP hollow sheeting, further enhancing PP hollow sheeting anti-tear draws, antitorque dynamic ability, increase the weight capacity of PP hollow sheeting, and strengthen PP hollow sheeting to the albedo of light and ultraviolet-resistant capacity, allow it be suitable for agricultural, animal husbandry and even use at the light-weight building material of building industry as energy-conserving and environment-protective, be preferably aluminium film.
The technical process of the utility model production line is: the raw material first producing PP hollow sheeting enters the barrel of extruder from feed hopper, by the rotation of screw rod, carried in the downstream of raw material to screw rod, in the process, raw material is gradually by the heating module heating and melting outside barrel, produce nitrogen by nitrogen-making device, enter controller, then by meter adjusting gas flow, air pump on nitrogen supercharging device is collected air by the mode of natural aspiration and is compressed, by pipeline input air constant-temperature purification device when compressed-air actuated air pressure reaches setting value time, air constant-temperature purification device carries out cooling steady temperature and clean to air, booster pump is inputted afterwards by pipeline, booster pump connects the meter on nitrogen gas generating device, thus to supplying nitrogen in booster pump, two kinds of gases mix by booster pump, by being connected to the pipeline input extruder of the injecting hole in the middle part of barrel after supercharging, like this, during nitrogen input extruder, air pressure can be very stable, the impact of surrounding environment and transmission environment can not be subject to, be beneficial to the control of foaming, also uniform in foaming is made, cell size is identical, quality of finished product good, when the raw material of melting flows through injecting hole, gas injects from injecting hole the raw material that barrel is melted into melting, and gas mixes in barrel with raw material melt, finally, is extruded by extrusion, is molded into finished product by follow-up streamline.
The beneficial effects of the utility model: the utility model forms novel PP hollow sheet production line by arranging each parts of working in coordination, this production line compact conformation, by the cooperation of nitrogen gas generating device and nitrogen supercharging device, the nitrogen pressure inputting extruder is stablized, because nitrogen inputs extruder after mixing with air, the nitrogen amount used is greatly reduced, has saved nitrogen cost; Smooth with the finished surface obtained by this production line, cell diameter size is even, and finished product internal stress is almost released completely, follow-up not flexible, compares existing solid finished product, and consumptive material reduces, and weight can reduce 30 ~ 40%, and finished product rigidity is constant; And, because there is the existence of abscess, compared with solid article, even there is better toughness; shock-resistant, compression strength is high, and cushion shockproof, bending property is good; there is excellent mechanical property, use as padded coaming, can play a very good protection to pack content.Meanwhile, due to the existence of bubble structure, make it conduct heat, transaudient successful lower than solid article, there is better heat insulation, defening effect, determine that its range of application can be more extensive.As above these premium properties, when especially applying to the production of thicker plate as the coaming plate for hoarding box, its save material, excellent in mechanical performance, light weight, heat insulation, sound insulation effect more remarkable, and because coaming plate needs folding line, the difficulty when existence of bubble can reduce folding line in PP hollow sheeting, ensures intensity and the bearing capacity at folding line place simultaneously; Therefore this production line has very large economic worth, be easy to promote.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of the utility model production line;
The structural representation that Fig. 2 is extruder in the utility model, nitrogen gas generating device, nitrogen supercharging device connect;
Fig. 3 is the structural representation of nitrogen-making device in the utility model embodiment;
In figure: 1-extruder; 1.1-feed hopper; 1.2-barrel; 1.3-injecting hole; 2-nitrogen-making device; 3-controller; 4-meter; 5-air air pump; 6-air constant-temperature purification device; 7-booster pump; 8-check (non-return) valve.
Detailed description of the invention
Arbitrary feature disclosed in this description, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Nitrogen gas foaming as shown in Figures 1 to 3 prepares the production line of PP hollow sheeting, it is characterized in that, described production line comprises the extruder 1, draping filter, extrusion die, calibrator, the first hauling machine, baking oven, raceway, the second hauling machine, automatic plate cutting machine and the collection pallet that sequentially arrange, extruder 1 is connected with draping filter, draping filter is connected to extrusion die, and extrusion die is connected with calibrator, the top of described extruder 1 is provided with feed hopper 1.1, the outside of extruder 1 is coated with heated die plate, extruder also comprises barrel 1.2, is positioned at the screw rod of barrel and is opened in the injecting hole 1.3 in the middle part of barrel, the output of feed hopper 1.1 connects with the input of barrel 1.2, the output of barrel 1.2 is provided with extruder head, and extruder head connects with extrusion die through draping filter, described production line also comprises nitrogen gas generating device and nitrogen supercharging device, described nitrogen gas generating device comprises nitrogen-making device 2, the controller 3 be connected with nitrogen-making device, with the meter 4 of controller by pipeline communication, described nitrogen supercharging device comprises the air air pump 5 sequentially connected by pipeline, air constant-temperature purification device 6 and booster pump 7, the gas access of described booster pump 7 is connected with the meter 4 on described nitrogen gas generating device, the gas vent of booster pump 7 is connected to the injecting hole 1.3 on described extruder 1 in the middle part of barrel 1.2 by pipeline, on the pipeline that the gas vent of booster pump 7 is connected with injecting hole 1.3, be provided with check (non-return) valve 8, described barrel 1.2 is made up of stainless steel, described air constant-temperature purification device 6 is air-cooled cold lyophilizer, described nitrogen-making device 2 comprises the air compressor, air cushioning tank, filter, heater, oxygen and nitrogen separation device, the nitrogen buffer tank that sequentially arrange, and according to different situations, nitrogen-making device 2 also can be nitrogen cylinder, the air pressure of air pump and the air pressure of booster pump can set according to actual conditions.Described first hauling machine, the second hauling machine draw-gear all for being made up of upper and lower two series cylinders; Heating apparatus is added, together with the heating and act on of baking oven, for eliminating the stress on PP hollow board material surface in the outside of the first hauling machine, raceway, the second hauling machine.As above equipment all can be bought from market.
In actual production process, the ratio of nitrogen and air can be controlled according to need of production, and the mixing air flow velocity after supercharging, thus the foaming degree of control PP hollow sheeting, usually, recommendation ratio be 25 ~ 35% nitrogen and 65 ~ 75% air mixing supercharging after, be delivered to extruder and foam, can be greatly cost-saving, and foaming effect is better.
In actual production process, metal coating line is added between second time drafting machine and automatic plate cutting machine, for carrying out metal coating to obtained PP hollow sheeting, further enhancing PP hollow sheeting anti-tear draws, antitorque dynamic ability, increase the weight capacity of PP hollow sheeting, and strengthen PP hollow sheeting to the albedo of light and ultraviolet-resistant capacity, allow it be suitable for agricultural, animal husbandry and even use at the light-weight building material of building industry as energy-conserving and environment-protective, be preferably aluminium film.
The technical process of this production line is: the raw material first producing PP hollow sheeting enters the barrel of extruder from feed hopper, and by the rotation of screw rod, carried in the downstream of raw material to screw rod, in the process, raw material is gradually by the heating module heating and melting outside barrel; Produce nitrogen by nitrogen-making device, enter controller, then by meter adjusting gas flow; Air pump on nitrogen supercharging device is collected air by the mode of natural aspiration and is compressed, by pipeline input air constant-temperature purification device when compressed-air actuated air pressure reaches setting value time, air constant-temperature purification device carries out cooling steady temperature and clean to air, booster pump is inputted afterwards by pipeline, booster pump connects the meter on nitrogen gas generating device, thus to supplying nitrogen in booster pump, two kinds of gases carry out mixing by booster pump, after supercharging by being connected to the pipeline input extruder of the injecting hole in the middle part of barrel; When the raw material of melting flows through injecting hole, gas injects from injecting hole the raw material that barrel is melted into melting, and gas mixes in barrel with raw material melt, finally, is extruded by extrusion, is molded into finished product by follow-up streamline.
The utility model forms novel PP hollow sheet production line, this production line compact conformation by arranging each parts of working in coordination, and nitrogen use amount greatly reduces, and has saved nitrogen cost; Finished surface is smooth, and product weight can reduce 30 ~ 40%, greatly saves raw material, shock-resistant, and shock-absorbing capacity is good, heat insulation, defening effect good, therefore this production line has very large economic benefits, is easy to promote.
The utility model is not limited to aforesaid detailed description of the invention.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (8)
1. a nitrogen gas foaming prepares the production line of PP hollow sheeting, it is characterized in that, described production line comprises the extruder (1), draping filter, extrusion die, calibrator, the first hauling machine, baking oven, raceway, the second hauling machine, automatic plate cutting machine and the collection pallet that sequentially arrange, extruder (1) is connected with draping filter, draping filter is connected to extrusion die, and extrusion die is connected with calibrator, the top of described extruder (1) is provided with feed hopper (1.1), the outside of extruder (1) is coated with heated die plate, extruder also comprises barrel (1.2), is positioned at the screw rod of barrel and is opened in the injecting hole (1.3) in the middle part of barrel, the output of feed hopper (1.1) connects with the input of barrel (1.2), the output of barrel (1.2) is provided with extruder head, and extruder head connects with extrusion die through draping filter, described production line also comprises nitrogen gas generating device and nitrogen supercharging device, described nitrogen gas generating device comprises nitrogen-making device (2), the controller (3) be connected with nitrogen-making device, with the meter (4) of controller by pipeline communication, described nitrogen supercharging device comprises the air air pump (5) sequentially connected by pipeline, air constant-temperature purification device (6) and booster pump (7), the gas access of described booster pump (7) is connected with the meter (4) on described nitrogen gas generating device, the gas vent of booster pump (7) is connected to the injecting hole (1.3) at upper barrel (1.2) middle part of described extruder (1) by pipeline, on the pipeline that the gas vent of booster pump (7) is connected with injecting hole (1.3), be provided with check (non-return) valve (8).
2. nitrogen gas foaming according to claim 1 prepares the production line of PP hollow sheeting, it is characterized in that, described barrel (1.3) is made up of stainless steel.
3. nitrogen gas foaming according to claim 1 prepares the production line of PP hollow sheeting, it is characterized in that, described air constant-temperature purification device (6) is air-cooled cold lyophilizer.
4. nitrogen gas foaming according to claim 1 prepares the production line of PP hollow sheeting, it is characterized in that, described nitrogen-making device (2) comprises the air compressor, air cushioning tank, filter, heater, oxygen and nitrogen separation device, the nitrogen buffer tank that sequentially arrange.
5. nitrogen gas foaming according to claim 1 prepares the production line of PP hollow sheeting, it is characterized in that, described first hauling machine, the second hauling machine draw-gear all for being made up of upper and lower two series cylinders.
6. nitrogen gas foaming according to claim 1 prepares the production line of PP hollow sheeting, it is characterized in that, adds heating apparatus in the outside of described first hauling machine, raceway, the second hauling machine, for eliminating the stress on PP hollow board material surface.
7. nitrogen gas foaming according to claim 1 prepares the production line of PP hollow sheeting, it is characterized in that, adds metal coating line between second time drafting machine and automatic plate cutting machine, for carrying out metal coating to obtained PP hollow sheeting.
8. nitrogen gas foaming according to claim 1 prepares the production line of PP hollow sheeting, it is characterized in that, described nitrogen-making device (2) is nitrogen cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609633.8U CN204149486U (en) | 2014-10-22 | 2014-10-22 | A kind of nitrogen gas foaming prepares the production line of PP hollow sheeting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609633.8U CN204149486U (en) | 2014-10-22 | 2014-10-22 | A kind of nitrogen gas foaming prepares the production line of PP hollow sheeting |
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| CN204149486U true CN204149486U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420609633.8U Expired - Fee Related CN204149486U (en) | 2014-10-22 | 2014-10-22 | A kind of nitrogen gas foaming prepares the production line of PP hollow sheeting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584783A (en) * | 2017-10-18 | 2018-01-16 | 阮伟炽 | A kind of production equipment and its production method of physical blowing extruded product |
| CN107866980A (en) * | 2016-09-27 | 2018-04-03 | 东莞市杰伟机械制造有限公司 | PP co-extrusion foaming slab extruding production lines |
-
2014
- 2014-10-22 CN CN201420609633.8U patent/CN204149486U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866980A (en) * | 2016-09-27 | 2018-04-03 | 东莞市杰伟机械制造有限公司 | PP co-extrusion foaming slab extruding production lines |
| CN107584783A (en) * | 2017-10-18 | 2018-01-16 | 阮伟炽 | A kind of production equipment and its production method of physical blowing extruded product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20151022 |
|
| EXPY | Termination of patent right or utility model |