CN106217721B - A kind of rotational molding device and its thermoforming process - Google Patents
A kind of rotational molding device and its thermoforming process Download PDFInfo
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- CN106217721B CN106217721B CN201610573354.4A CN201610573354A CN106217721B CN 106217721 B CN106217721 B CN 106217721B CN 201610573354 A CN201610573354 A CN 201610573354A CN 106217721 B CN106217721 B CN 106217721B
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- steam
- plastic rolling
- rotational molding
- rolling molds
- molding device
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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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/46—Heating or cooling
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/38—Moulds, cores or other substrates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of rotational molding device and its thermoforming process.Rotational molding device of the present invention includes Plastic Rolling Molds and the supplied materials channel for conveying high-temperature steam, which acts on Plastic Rolling Molds outer surface and heat to it.Rotational molding device integral structure layout of the present invention is compact, reasonable, the effect that rotational molding device machine volume is smaller, lighter may be implemented, it is docked with Plastic Rolling Molds steadily in supplied materials channel, Plastic Rolling Molds are heated using high-temperature steam, the heat of high-temperature steam is condensed into pure water after dispersing and draws off, single unit system not only reliable operation also has cleaning, clean, efficient beneficial effect, is truly realized environmentally protective and intelligentized requirement.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of rotational molding device and its thermoforming process.
Background technique
Rotational molding device be using roll moulding shaping technology prepare workpiece at produce equipment.In the prior art, conventional rolling
The type heating process of being moulded into is divided into two kinds substantially, and one is Plastic Rolling Molds are put into large-scale baking oven to heat, another kind is directly
In Plastic Rolling Molds outer surface open firing, on the one hand such thermoforming process does not meet environmentally protective industrialized production
It is required that another aspect working efficiency is relatively low.
In conclusion needing to design a kind of reliable operation, high-efficient rotational molding device.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of reliable operation, high-efficient is proposed
Rotational molding device and its thermoforming process.
Object of the invention can be realized by the following technical scheme: a kind of rotational molding device, including Plastic Rolling Molds and
For conveying the supplied materials channel of high-temperature steam, which acts on Plastic Rolling Molds outer surface and heats to it.
As a further improvement of the present invention, the high-temperature steam that the supplied materials channel is sent out, which is surround, to be distributed in outside Plastic Rolling Molds
It encloses.
As a further improvement of the present invention, the high-temperature steam that the supplied materials channel is sent out is evenly distributed on Plastic Rolling Molds
Periphery.
As a further improvement of the present invention, the supplied materials channel is equipped at least one steam (vapor) outlet, the steam (vapor) outlet
The first pre-determined distance is provided between Plastic Rolling Molds outer surface.
As a further improvement of the present invention, the supplied materials channel includes total pipeline, is equipped in the same side of total pipeline
Multiple steam (vapor) outlets, the first pre-determined distance between each steam (vapor) outlet and Plastic Rolling Molds outer surface are equal.
As a further improvement of the present invention, the same side of total pipeline is provided with equidistant multiple tubules, it is described
The entrance and total pipeline connection of tubule, the steam (vapor) outlet are the outlet of tubule.
As a further improvement of the present invention, the tubule is evenly distributed on Plastic Rolling Molds periphery.
As a further improvement of the present invention, tubule exit is provided with nozzle.
As another improvement of the invention, matcoveredn is wrapped up in Plastic Rolling Molds periphery, the steam (vapor) outlet, which is located at, to be protected
Outside sheath, the second pre-determined distance, the protective layer and steam (vapor) outlet are provided between the protective layer and Plastic Rolling Molds outer surface
Between be provided with third pre-determined distance, the protective layer is equipped with the through-hole passed through for high-temperature steam.
As a further improvement of the present invention, the through-hole is set as multiple and through-hole is uniformly distributed on the protection layer.
A kind of thermoforming process using rotational molding device uses high-temperature steam to carry out Plastic Rolling Molds outer surface
Injection heating.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect: integral structure layout is tight
It gathers, rationally, the effect that rotational molding device machine volume is smaller, lighter, supplied materials channel and Plastic Rolling Molds pair may be implemented
It connects steadily, Plastic Rolling Molds is heated using high-temperature steam, the heat of high-temperature steam is condensed into pure water after dispersing and draws off, whole
Body device not only reliable operation also has cleaning, clean, efficient beneficial effect, is truly realized environmentally protective and intelligent
The requirement of change.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is the structural schematic diagram in supplied materials channel in a preferred embodiment of the present invention.
Fig. 3 is the structural schematic diagram of protective layer in a preferred embodiment of the present invention.
In figure, 10, Plastic Rolling Molds；20, supplied materials channel；21, steam (vapor) outlet；22, total pipeline；23, tubule；30, protective layer；
31, through-hole.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Existing conventional rotation molding heating process is divided into two kinds substantially, and one is Plastic Rolling Molds are put into large-scale baking oven
It is heated, another directly in Plastic Rolling Molds outer surface open firing, on the one hand such thermoforming process is not met
Environmentally protective industrialization production requirements, another aspect working efficiency are relatively low.Therefore, a kind of more reasonable rolling is designed
It is necessary for moulding molding machine.
The present invention protects a kind of rotational molding device and its thermoforming process, is carried out using high-temperature steam to Plastic Rolling Molds
Heating, changes the conventional heating mode of rotational molding device, environmentally protective and high-efficient, and intelligentized control method may be implemented.
Technical solution provided by the invention is illustrated in more detail below with reference to Fig. 1 to Fig. 3.
As depicted in figs. 1 and 2, this rotational molding device includes as the Plastic Rolling Molds 10 by heat carrier and for conveying height
The supplied materials channel 20 of warm steam, the high-temperature steam act on 10 outer surface of Plastic Rolling Molds and heat to it, and when work, the heating is excellent
It is selected as continuous heating and intelligentized control method preferably can be achieved.
In the present invention, above-mentioned supplied materials channel 20 is the structure for conveying high-temperature steam, does not limit its specific structure, shape
And specification, the purpose is to which high-temperature steam is delivered default station and is heated to Plastic Rolling Molds 10, preferably to Plastic Rolling Molds
It is heated 10 outer surface.
The temperature of above-mentioned high-temperature steam can it is identical as the preset temperature of the thermoforming process of existing rotational molding device or
Close, it is to change the pattern of existing heating method that the purpose that high-temperature steam heats, which is arranged, in this case, reaches high efficiency and environmentally protective
Requirement, rather than lay particular emphasis on the temperature for changing existing heating method.
This rotational molding device integral structure layout is compact, reasonable, may be implemented rotational molding device machine volume it is smaller,
Lighter effect, supplied materials channel 20 are docked steadily with Plastic Rolling Molds 10, are added using high-temperature steam to Plastic Rolling Molds 10
Heat, the heat of high-temperature steam are condensed into pure water after dispersing and draw off, and the water drawn off can also recycle or be recycling in cleaning and make
Industry, single unit system not only reliable operation also have cleaning, clean, efficient beneficial effect, be truly realized it is environmentally protective and
Intelligentized requirement.
Further, the high-temperature steam that above-mentioned supplied materials channel 20 is sent out is peripheral around Plastic Rolling Molds 10 are distributed in, i.e. high temperature
For distribution of steam around Plastic Rolling Molds 10, which can be that steam partial density is larger, steam partial density is smaller,
It is also possible to be evenly distributed in around Plastic Rolling Molds 10.
It further, is the effect and final product quality that guarantee hot briquetting, the high temperature that preferably supplied materials channel 20 is sent out steams
Vapour is evenly distributed on 10 periphery of Plastic Rolling Molds, so that each unit of the outer surface of Plastic Rolling Molds 10 receives high-temperature steam
Heating dynamics is identical, and local difference bring is avoided to influence.
Supplied materials channel 20 is equipped at least one steam (vapor) outlet 21 for sending out high-temperature steam, steam (vapor) outlet 21 and rotational moulding mould
Have and be provided with the first pre-determined distance between 10 outer surfaces, to guarantee hot briquetting effect, and avoids blocking high-temperature steam or diffusion.
To be further ensured that the reliability of docking and the stationarity of high-temperature steam heating, the preferably side of the submitting of steam (vapor) outlet 21 high-temperature steam
To vertical with the outer surface of Plastic Rolling Molds 10.
10 outer surface of Plastic Rolling Molds is the effect carrier of heat medium (high-temperature steam), if steam (vapor) outlet 21 is apart from rotational moulding
10 outer surface of mold too far, is then easy that high-temperature steam is made to cross fast diffusion, reduces heat utilization rate；If steam (vapor) outlet 21 is apart from rolling
10 outer surface of mould is excessively close, then is easy to improve the temperature of Plastic Rolling Molds 10, and then influence final product quality and mold damage.
As a kind of preferred or optional embodiment, supplied materials channel 20 includes total pipeline 22, in the same of total pipeline 22
Side is equipped with multiple steam (vapor) outlets 21, and the first pre-determined distance between each steam (vapor) outlet 21 and 10 outer surface of Plastic Rolling Molds is equal.
High-temperature steam is conveyed using the structure of total score, it is ensured that the high-temperature steam equivalent of each submitting of steam (vapor) outlet 21,
Continue, avoid mutual interference effect, so that the outer surface heating effect of Plastic Rolling Molds 10 is ideal.
Further, the same side of total pipeline 22 is provided with equidistant multiple tubules 23, further preferred tubule 23
It is linked together with total pipeline 22, i.e. guarantee structural strength, also ensures the stationarity of conveying；The entrance and total pipeline 22 of tubule 23
Connection, above-mentioned steam (vapor) outlet 21 are the outlet of tubule 23, and tubule 23 exports to the distance between 10 outer surface of Plastic Rolling Molds i.e.
For the first pre-determined distance between 10 outer surface of above-mentioned steam (vapor) outlet 21 and Plastic Rolling Molds.Such topology layout can not only be kept away
Exempt from the mutual play of high-temperature steam of each branch, reduce interference, guarantee the stationarity of transmission process, but also supplied materials channel 20 with
Plastic Rolling Molds 10 are docked relatively reliable.
For the effect and final product quality for being further ensured that hot briquetting, rotational moulding mould is evenly distributed in conjunction with above-mentioned high-temperature steam
The description of 10 periphery of tool, preferably tubule 23 are evenly distributed on 10 periphery of Plastic Rolling Molds, and then realize that the high temperature that tubule 23 is sent out steams
Vapour is evenly distributed on around Plastic Rolling Molds 10.
To promote hot briquetting effect and working efficiency, Plastic Rolling Molds 10 are heated using injection heating method.Tool
Body, 23 exit of tubule is provided with nozzle (not shown), keeps the steam of injection more uniform, projected area is wider.
When work, high-temperature steam branches to multichannel tubule 23 from total pipeline 22, is sprayed on 10 appearance of Plastic Rolling Molds via nozzle
On face, and then Plastic Rolling Molds 10 are heated.
Guarantor is enclosed in 10 periphery of Plastic Rolling Molds referring to figs 1 and 3 as a kind of preferred or optional embodiment
Sheath 30, steam (vapor) outlet 21 are located at outside protective layer 30, and it is default that second is provided between 10 outer surface of protective layer 30 and Plastic Rolling Molds
Distance is provided with third pre-determined distance between protective layer 30 and steam (vapor) outlet 21, protective layer 30 is equipped with to be passed through for high-temperature steam
Through-hole 31.
Briefly, one layer of steam protection layer 30 is enclosed on 10 outer surface of Plastic Rolling Molds wrap up entire mold, protective layer
30 have from die surface with a certain distance from, through-hole 31 is equipped on protective layer 30.
And the effect of this layer of protective layer 30 is exactly: high-temperature steam to 10 outer surface of Plastic Rolling Molds carry out injection heating when
It waits, the hole that high-temperature steam passes through 30 surface of protective layer first enters and directly contacts with 10 surface of Plastic Rolling Molds；In this no layer
In the case where protective layer 30, high-temperature steam before can be broken up because later high-temperature steam has certain impact power quickly
It washes out, but under the action of this layer of protective layer 30, the high-temperature steam contacted with 10 surface of Plastic Rolling Molds will not dissipate at once, and understand
It is recycled back and forth between 10 surface of Plastic Rolling Molds and the crack (space being encircled at the second pre-determined distance) of protective layer 30, significantly
The time of contact of high-temperature steam Yu 10 surface of Plastic Rolling Molds is increased, heat utilization rate is improved.
To guarantee that it is even closer that protective layer 30 cooperates with supplied materials channel 20, Plastic Rolling Molds 10, guarantee to dock smooth and high
Effect, preferably through-hole 31 is set as multiple and through-hole 31 is evenly distributed on protective layer 30, and the concentration that through-hole 31 is distributed is big
In the concentration that steam (vapor) outlet 21 is distributed, i.e., has thickly dotted through-hole 31 on protective layer 30.
The invention also discloses the thermoforming process using above-mentioned rotational molding device, use high-temperature steam to rotational moulding
10 outer surface of mold is heated, it is further preferred that above-mentioned thermoforming process is using high-temperature steam to Plastic Rolling Molds 10
Outer surface carries out injection heating, reliable operation, cleaning, and completely, high efficiency is truly realized environmentally protective and intelligentized wants
It asks.
In conclusion the high-temperature steam hot briquetting process using this rotational molding device is as follows: the external world is sent into high temperature and steams
Vapour to total pipeline 22, the shunting high-temperature steam of total pipeline 22 gives each tubule 23, and the high-temperature steam in each tubule 23 is sprayed by corresponding nozzle
It is incident upon 30 surface of protective layer, high-temperature steam passes through through-hole 31 and 10 outer surface of Plastic Rolling Molds of protective layer 30 under push power effect
It contacts and Plastic Rolling Molds 10 is begun to warm up, the high-temperature steam of subsequent entrance pushes the high-temperature steam of front in protective layer 30 and rolling
Circulating-heating back and forth between the gap on 10 surface of mould.
Plastic Rolling Molds 10 of the invention are centrally-disposed, wrap up matcoveredn at a certain distance from Plastic Rolling Molds 10 are outer
30, it is evenly distributed with steam channel (i.e. each tubule 23) around mold surrounding outside 30 certain distance of protective layer, so that whole
Hot briquetting effect is ideal.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of rotational molding device, it is characterised in that: the supplied materials channel including Plastic Rolling Molds and for conveying high-temperature steam, it should
High-temperature steam acts on Plastic Rolling Molds outer surface and heats to it；Matcoveredn is wrapped up in Plastic Rolling Molds periphery, the steam goes out
Mouth is located at outside protective layer；The protective layer is equipped with the through-hole passed through for high-temperature steam, and the through-hole is set as multiple and uniform
On the protection layer, the concentration of through-hole distribution is greater than the concentration of steam (vapor) outlet distribution for distribution.
2. a kind of rotational molding device according to claim 1, it is characterised in that: the high temperature that the supplied materials channel is sent out steams
Vapour is peripheral around Plastic Rolling Molds are distributed in.
3. a kind of rotational molding device according to claim 2, it is characterised in that: the high temperature that the supplied materials channel is sent out steams
Vapour is evenly distributed on Plastic Rolling Molds periphery.
4. a kind of rotational molding device according to claim 1, it is characterised in that: the supplied materials channel is equipped at least one
Steam (vapor) outlet is provided with the first pre-determined distance between the steam (vapor) outlet and Plastic Rolling Molds outer surface.
5. a kind of rotational molding device according to claim 4, it is characterised in that: the supplied materials channel includes total pipeline,
Be equipped with multiple steam (vapor) outlets in the same side of total pipeline, first between each steam (vapor) outlet and Plastic Rolling Molds outer surface it is default away from
From equal.
6. a kind of rotational molding device according to claim 5, it is characterised in that: be provided in the same side of total pipeline
Multiple tubules of spacing, the entrance and total pipeline connection of the tubule, the steam (vapor) outlet are the outlet of tubule.
7. a kind of rotational molding device according to claim 6, it is characterised in that: the tubule is evenly distributed on rotational moulding mould
Tool periphery.
8. a kind of rotational molding device according to claim 6, it is characterised in that: tubule exit is provided with nozzle.
9. a kind of rotational molding device according to claim 4, it is characterised in that: the protective layer and Plastic Rolling Molds appearance
It is provided with the second pre-determined distance between face, third pre-determined distance is provided between the protective layer and steam (vapor) outlet.
10. a kind of thermoforming process using the described in any item rotational molding devices of claim 1 to 9, it is characterised in that:
It uses high-temperature steam to carry out injection heating to Plastic Rolling Molds outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573354.4A CN106217721B (en) | 2016-07-20 | 2016-07-20 | A kind of rotational molding device and its thermoforming process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610573354.4A CN106217721B (en) | 2016-07-20 | 2016-07-20 | A kind of rotational molding device and its thermoforming process |
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| Publication Number | Publication Date |
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| CN106217721A CN106217721A (en) | 2016-12-14 |
| CN106217721B true CN106217721B (en) | 2019-11-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2607747B1 (en) * | 1986-12-04 | 1989-03-10 | Vironneau Pierre | MOLD FOR ROTOMOLDING AND DEVICE COMPRISING SUCH A MOLD |
| CN202119221U (en) * | 2011-04-01 | 2012-01-18 | 成都创新瓦楞纸品技术有限公司 | Air-cushion heat exchange accelerator |
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|---|---|---|---|---|
| CN1596179A (en) * | 2001-11-28 | 2005-03-16 | 法格达拉德国有限公司 | Method for producing plastic hollow bodies using a rotational method |
| CN102120352A (en) * | 2011-01-04 | 2011-07-13 | 北京化工大学 | Rotational molding forming device |
| CN202131539U (en) * | 2011-05-11 | 2012-02-01 | 上海纳尔数码喷印材料股份有限公司 | Steam water return device |
| CN202298353U (en) * | 2011-09-29 | 2012-07-04 | 昆山众汇复合材料有限公司 | Intermittent steam system for release paper production |
| CN202664165U (en) * | 2012-06-12 | 2013-01-16 | 美得彼烹饪设备制造(上海)有限公司 | Steam exhausting baffle plate for steam box |
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| CN106217721A (en) | 2016-12-14 |
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