CN105368087B - A kind of trombone slide and preparation method thereof - Google Patents
A kind of trombone slide and preparation method thereof Download PDFInfo
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- CN105368087B CN105368087B CN201510649365.1A CN201510649365A CN105368087B CN 105368087 B CN105368087 B CN 105368087B CN 201510649365 A CN201510649365 A CN 201510649365A CN 105368087 B CN105368087 B CN 105368087B
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- trombone slide
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Abstract
The invention belongs to trombone slide preparation field, and more particularly to a kind of trombone slide and preparation method thereof, this trombone slide provided by the invention, in parts by weight, it is mainly made of following material component：80 85 parts of plastic cement feed back, pp expect 5 20 parts.The preparation method of trombone slide provided by the invention, comprises the following steps：By plastic cement feed back and pp the material heating melting of set weight proportion, and obtained melting charge is used into mould molding, obtain trombone slide.This trombone slide provided by the invention, main preparing raw material is plastic cement feed back, and pp material (virgin material) only account for the 1/17 1/4 of plastic cement feed back, and then greatly reduce the use of pp material, and plastic cement feed back, both from waste and old plasthetics, therefore, which realizes the recycling of feed back, reduce the use of virgin material, thereby reduce cost.
Description
Technical field
The invention belongs to trombone slide preparation field, more particularly to a kind of trombone slide and preparation method thereof.
Background technology
Plastics trombone slide is common a kind of connecting pipe in pipe fitting field, according to the difference of its purposes, using different heat
Plastic resin raw material is made.For example, high polymer polypropylene (pp material) is exactly a kind of more common trombone slide preparing raw material.
High polymer polypropylene is the representative of poly alpha olefin, a kind of thermoplastic resin prepared by by propylene polymerization, monomer
It is propylene CH2=CH-CH3.According to the difference of initiator and polymerization technique, polypropylene can be divided into isotactic polypropylene, randomly gather
Three kinds of configurations of propylene and syndiotactic polypropylene.Isotactic polypropylene easily forms crystalline state, and crystallinity is up to more than 95%, and molecular weight is in 8-
Between 150000, its good heat resistanceheat resistant and solvent resistance are assigned；Random polypropylene is that one kind is amorphous, micro-strip is sticky at room temperature
White waxy thing, molecular weight is low, less in 3000-10000, the irregular shortage cohesive force of structure, application.
In the prior art, the preparation process of plastics trombone slide is more is expected for raw material with new pp, is put into the hopper of bench,
It is heated to about as 200 DEG C, start extrusion trombone slide.However, trombone slide is prepared with brand-new pp material, since the price price of pp material is held high
It is expensive, thus there are manufacturing cost it is high the defects of, in common technique, preparing 10,000 trombone slides needs to expend 50 kilograms of pp material.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is to provide a kind of trombone slide, to solve trombone slide preparation process cost existing in the prior art
The defects of high.
The second object of the present invention is to provide a kind of preparation method of the trombone slide, to realize the preparation of trombone slide and answer
With.
In order to reach object above, the present invention adopts the following technical scheme that：
A kind of trombone slide, in parts by weight, it is mainly made of following material component：
80-85 parts of plastic cement feed back, pp expect 5-20 parts.
This trombone slide provided by the invention, main preparing raw material are plastic cement feed back, and pp material (virgin material) only account for plastic cement and return
The 1/17-1/4 of material, and then greatly reduce the use of pp material, and plastic cement feed back is both from waste and old plasthetics, therefore,
The trombone slide realizes the recycling of feed back, reduces the use of virgin material (pp material), thereby reduces cost.
Preferably, its material component further includes Masterbatch, and the Masterbatch expects the 2%-10% of weight for the pp.
For trombone slide, the difference based on its purposes and use occasion, also requires it with different colors, therefore, at it
Further preferably include in preparing raw material weight expect for pp weight 2%-10% Masterbatch (by a high proportion of pigment or additive with
Thermoplastic resin, the plastic colorant formed through fine dispersion, the resin selected by it have colouring agent good wet and divide
Effect is dissipated, and there is good compatibility with being colored material.I.e.：Pigment+carrier+additive=Masterbatch).Match somebody with somebody with this
The Masterbatch of ratio, can meet the needs of trombone slide outer surface color and luster.
Preferably, the plastic cement feed back is the graininess that particle diameter is 60-100 mesh.
During trombone slide is prepared, in order to realize the preferable colloidal sol effect of plastic cement feed back, tackle its granularity and make properly
Selection, with realize its under the high temperature conditions fully melting, and easy to shaping.Therefore, in invention, the plastic cement feed back is grain
Footpath is the graininess of 60-100 mesh.
A kind of preparation method of the trombone slide, comprises the following steps：
By plastic cement feed back and pp the material heating melting of set weight proportion, and obtained melting charge is used into mould molding,
Obtain trombone slide.
After the dosage for determining each material component, high-temperature fusion is carried out to it, obtains the melting charge of flow-like, by melting charge again
Using mould molding, so as to obtain the trombone slide with set shape, this method operation facility, can be achieved, tool using bench
There is the advantages of production efficiency is high.
Preferably, the preparation method specifically includes following steps：
1) the plastic cement feed back of set weight proportion, the mixture being made of pp material and Masterbatch, are heated into melting respectively, obtained
To the first melting charge and the second melting charge；
2) after first melting charge, is molded into tubulose, second melting charge is sprayed on its (pipe) surface, then into
Row cooling, obtains pre-profiling pipe；
3) cut after, the pre-profiling pipe is drawn, obtain trombone slide.
In order to enable manufactured trombone slide is more in line with use demand, while ensure its appearance luster, it is preferred that in preparation
During, the first melting charge is obtained after plastic cement feed back is melted, and after the first obtained melting charge is shaped to tubulose, on its surface
Spraying can be coated on pipe face by pp material and the second melting charge of the Masterbatch after melting, the so virgin material with color masterbatch,
So that trombone slide has corresponding color.Masterbatch and pp material mixed meltings, the color masterbatch particle that can enable uniformly are scattered in
Also cause that pipe face is careful smooth while pipe face.Finally, by cooling down, cutting, you can obtain the trombone slide of corresponding size specification.
Preferably, in step 1)：For the plastic cement feed back during melting is heated, temperature is 195 DEG C -205 DEG C.
Within this temperature range, plastic cement feed back can be caused fully to melt, it is more excellent easy to form thick melting charge
Choosing, it is divided into 4 sections of heating in the process of heating, 195 DEG C of first segment, second segment and the 3rd section 205 DEG C, the 4th section 200 DEG C.
Preferably, in step 1)：The mixture being made of pp material and Masterbatch is during melting is heated, heating temperature
Spend for 200 DEG C -250 DEG C.
For the same reason, in order to enable pp material and Masterbatch can be thermally formed uniformly mixed melting charge, and then
There is homogeneous color and luster and smooth outer surface beneficial to the exoperidium of trombone slide, it is preferred that heating-up temperature is 200 DEG C -250 DEG C, more
To be preferable, which is divided into 2 sections of heating, 250 DEG C of first segment, 200 DEG C of second segment.
Preferably, in step 2), the mode of the cooling includes：By surface spray the second melting charge pipe draw to
Cooled down in bosh.
, it is necessary to will be molded and outside table sprays the tubulose of virgin material and color masterbatch cooling and then solidifying and setting rapidly after shaping,
Therefore the type of cooling needs to select proper, it is desirable to realizes cooling effect within the time as short as possible.In the present invention, it is preferred to
, cooled down using sink, the type of cooling cooling effect is preferable, and is not easy to cause deformation to trombone slide.
Preferably, before step 1), further include：
By waste and old plastic material in 200 DEG C of -230 DEG C of heating meltings, then it is granulated, obtains the particle that particle diameter is 60-100 mesh
Shape plastic cement feed back.
Preferably, during the granulation, in waste and old plastic material after melting calcium powder is added to be granulated.
Granulation again for waste and old plastic material, it is preferred to use 4 sections of heating, first segment are 230 DEG C, second segment and the 3rd section
For 225 DEG C, the 4th section is 200 DEG C.And, it is necessary to add a certain amount of calcium in the feed back after glue is handled during being granulated
Powder, to facilitate the preparation of the graininess plastic cement feed back of 60-100 mesh.
Compared with prior art, the beneficial effects are mainly as follows following aspect：
1) it is, main to employ preparing raw material of the plastic cement feed back as trombone slide, and the proportion shared by pp material is less, therefore have
Cost-effective effect.
2), the outer surface of trombone slide is coated with the color layers of one layer of Masterbatch and virgin material composition, so that trombone slide has bag
Rotating fields, meet the glossiness requirement of its color and outer surface.
3), the preparation method is simple and practicable, and whole melting and forming process can be realized by common machinery, therefore be had
Have and prepare the advantages of effect is high.
Brief description of the drawings
Fig. 1 is the preparation flow figure for the trombone slide that the embodiment of the present invention 2 provides.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person, the condition suggested according to normal condition or manufacturer carry out.Agents useful for same or instrument, which are not specified, prepares manufacturer person, is
The conventional products that can be obtained by commercially available purchase.
Embodiment 1
The trombone slide of the present embodiment, in parts by weight, it is made of following material component：80 parts of plastic cement feed back, pp material 5
Part；Every part of weight is 1 kilogram.
By the material heating melting of the plastic cement feed back and pp of set weight proportion, and by obtained melting charge using bench into
Type, obtains trombone slide.
Embodiment 2
The trombone slide of the present embodiment, in parts by weight, it is made of following material component：85 parts of plastic cement feed back, pp material
20 parts；Masterbatch is further included, and the Masterbatch expects the 50% of weight for the pp；Every part of weight is 1 kilogram.
The preparation method for the trombone slide that the embodiment provides is as follows：
S21：The plastic cement feed back of set weight proportion, the mixture being made of pp material and Masterbatch are heated into melting respectively,
Obtain the first melting charge and the second melting charge；
Wherein, for plastic cement feed back during melting is heated, temperature is 195 DEG C -205 DEG C；It is made of pp material and Masterbatch
Mixture heat melt during, heating-up temperature be 200 DEG C -250 DEG C.
S22：After first melting charge is molded into tubulose, second melting charge is sprayed on its surface, then carry out
Cooling, obtains pre-profiling pipe；
S23：Cut after the pre-profiling pipe is drawn, obtain trombone slide.
Embodiment 3
The trombone slide of the present embodiment, in parts by weight, it is made of following material component：85 parts of plastic cement feed back, pp material
10 parts；Masterbatch is further included, and the Masterbatch expects the 5% of weight for the pp；Every part of weight is 1 kilogram.
Preparation method is as follows：
S31：The plastic cement feed back of set weight proportion, the mixture being made of pp material and Masterbatch are heated into melting respectively,
Obtain the first melting charge and the second melting charge；
Wherein, for plastic cement feed back during melting is heated, temperature is 195 DEG C -205 DEG C；Specifically, by pp material and color masterbatch
For the mixture of grain composition during melting is heated, heating-up temperature is 200 DEG C -250 DEG C.
The operation of heating melting is completed by bench, (is used to add plastic cement time specifically, trombone slide machine includes host
Material) and slave (being used to add the mixture being made of pp material and Masterbatch)；The heating-up temperature of host is 4 sections, first segment 195
DEG C, second segment and the 3rd section 205 DEG C, the 4th section 200 DEG C；The heating-up temperature of slave is two sections, 250 DEG C of first segment, second segment 200
℃.After temperature reaches 30 minutes, start is melted.
S32：After first melting charge is molded into tubulose, second melting charge is sprayed on its surface, then carry out
Cooling, obtains pre-profiling pipe；
Due to having further included shaper in bench, the first melting charge after melting is shaped under the action of shaper
After tubulose, then the second melting charge is sprayed on tubular surface, then by the sink cooling carried, realizes solidifying and setting.
S33：Cut after the pre-profiling pipe is drawn, obtain trombone slide.
Embodiment 4
The trombone slide of the present embodiment, in parts by weight, it is made of following material component：80 parts of plastic cement feed back, pp material 6
Part；Masterbatch is further included, and the Masterbatch expects the 2% of weight for the pp, every part of weight is 1 kilogram.
Preparation method is as follows：
S41：The plastic cement feed back of set weight proportion, the mixture being made of pp material and Masterbatch are heated into melting respectively,
Obtain the first melting charge and the second melting charge；
Wherein, for plastic cement feed back during melting is heated, temperature is 195 DEG C -205 DEG C；Specifically, by pp material and color masterbatch
For the mixture of grain composition during melting is heated, heating-up temperature is 200 DEG C -250 DEG C.
The operation of heating melting is completed by bench, (is used to add plastic cement time specifically, trombone slide machine includes host
Material) and slave (being used to add the mixture being made of pp material and Masterbatch)；The heating-up temperature of host is 4 sections, first segment 195
DEG C, second segment and the 3rd section 205 DEG C, the 4th section 200 DEG C；The heating-up temperature of slave is two sections, 250 DEG C of first segment, second segment 200
℃.After temperature reaches 30 minutes, start is melted.
S42：After first melting charge is molded into tubulose, second melting charge is sprayed on its surface, then carry out
Cooling, obtains pre-profiling pipe；
After the first melting charge after melting is fixed to tubulose under the action of shaper, then the second melting charge is sprayed on
Tubular surface, the sink then carried by bench cool down, and realize solidifying and setting.In addition, in order to ensure the effect of cooling, volume
Outside by vacuum pump water filling into sink, and will be suctioned out by a vacuum pump in sink through overcooled trombone slide.
S43：Cut after the pre-profiling pipe is drawn, obtain trombone slide.
The trombone slide of sucking-off is cut after traction using cutter, and then obtains the trombone slide of different dimensions.
Embodiment 5
The trombone slide of the present embodiment, in parts by weight, it is made of following material component：80 parts of plastic cement feed back, pp material
15 parts；Masterbatch is further included, and the Masterbatch expects the 3% of weight for the pp, every part of weight is 1 kilogram.
Preparation method is as follows：
S51：By waste and old plastic material in 200 DEG C of -230 DEG C of heating meltings, then it is granulated, it is 60-100 purposes to obtain particle diameter
Graininess plastic cement feed back；
S52：The plastic cement feed back of set weight proportion, the mixture being made of pp material and Masterbatch are heated into melting respectively,
Obtain the first melting charge and the second melting charge；
S53：After first melting charge is molded into tubulose, sprayed on its surface in second melting charge, then into
Row cooling, obtains pre-profiling pipe；
S54：Cut after the pre-profiling pipe is drawn, obtain trombone slide.
Step has the specific methods of S53-S54 with the S42-S43 in embodiment 4, and this will not be repeated here.
Embodiment 6
The trombone slide of the present embodiment, in parts by weight, it is made of following material component：85 parts of plastic cement feed back, pp material
20 parts；Masterbatch is further included, and the Masterbatch expects the 5% of weight for the pp, every part of weight is 1 kilogram.
Preparation method is as follows：
S61：By waste and old plastic material in 200 DEG C of -230 DEG C of heating meltings, then it is granulated, it is 60-100 purposes to obtain particle diameter
Graininess plastic cement feed back；
Specifically, during granulation, feed back is granulated by grain-making machine, and comminutor is divided into host, slave, pelletizing
Machine three partly forms.First, host, slave heating degree, host temperature, first segment be 230 DEG C, second segment, the 3rd section all be 225
DEG C, the 4th section is 200 DEG C.Two sections of slave temperature is all 200 DEG C.60 mesh are changed on host, slave to the filter screen of 100 mesh, when
After temperature reaches design temperature 30 minutes, it is possible to which graininess plastic cement feed back of the same size is produced in start.
S62：The plastic cement feed back of set weight proportion, the mixture being made of pp material and Masterbatch are heated into melting respectively,
Obtain the first melting charge and the second melting charge；
S63：After first melting charge is molded into tubulose, second melting charge is sprayed on its surface, then carry out
Cooling, obtains pre-profiling pipe；
S64：Cut after the pre-profiling pipe is drawn, obtain trombone slide.
Step has the specific methods of S63-S64 with the S42-S43 in embodiment 4, then this is not repeated.
Embodiment 7
The trombone slide of the present embodiment, in parts by weight, it is made of following material component：81 parts of plastic cement feed back, pp material 9
Part；Masterbatch is further included, and the Masterbatch expects the 2% of weight for the pp, every part of weight is 1 kilogram.
Preparation method is as follows：
S71：By waste and old plastic material in 200 DEG C of -230 DEG C of heating meltings, then it is granulated, it is 60-100 purposes to obtain particle diameter
Graininess plastic cement feed back；
During being the granulation with the difference of the step S61 in embodiment 6, to waste and old plastic material melt process
Afterwards, calcium powder is additionally added to be granulated.
S72：The plastic cement feed back of set weight proportion, the mixture being made of pp material and Masterbatch are heated into melting respectively,
Obtain the first melting charge and the second melting charge；
For plastic cement feed back during melting is heated, temperature is 195 DEG C -205 DEG C；The mixing being made of pp material and Masterbatch
For material during melting is heated, heating-up temperature is 200 DEG C -250 DEG C.
The operation of above-mentioned heating melting is completed by bench, (is used to add plastic cement specifically, trombone slide machine includes host
Feed back) and slave (being used to add the mixture being made of pp material and Masterbatch)；The heating-up temperature of host is 4 sections, first segment 195
DEG C, second segment and the 3rd section 205 DEG C, the 4th section 200 DEG C；The heating-up temperature of slave is two sections, 250 DEG C of first segment, second segment 200
℃.After temperature reaches 30 minutes, start is melted.
S73：After first melting charge is molded into tubulose, second melting charge is sprayed on its surface, then carry out
Cooling, obtains pre-profiling pipe；
The first melting charge after melting (is fed, major ingredient mouth and time material mouth are flowed using balanced in shaper using Double-port
Road, to ensure to feed stability, also, major ingredient mouth and secondary material mouth have 30 ° of gradient, make charging more abundant；In addition, fixed
It is in type, shaped using three cylinders, also more stable to ensure that product size is consistent) under the action of be fixed to tubulose after, then by second
Melting charge is sprayed on tubular surface, and the sink then carried by bench cools down, and realizes solidifying and setting.
In addition, in order to ensure the effect of cooling, by vacuum pump water filling into sink, and by a vacuum pump by water
Suctioned out in groove through overcooled trombone slide, in case follow-up traction cutting.
S74：Cut after the pre-profiling pipe is drawn, obtain trombone slide.
In another embodiment of the invention, for the preparation method of trombone slide, following preparation method can specifically be used：
Add plastic cement feed back on the host of bench, mix uniform brand-new PP material and Masterbatch plus oneself in slave, wait to reach
Start shooting after to required temperature, carry out forming process.
After host, slave start discharging, the concentricity of debugging mouth die drawing pipe, trombone slide is stretched.It is elongated with one again
Tubule connects the trombone slide that mouth mold comes out, and pulls out, is put on dragger from stock mould sink, vacuum pump is opened, after trombone slide shaping
Required trombone slide length is cut into cutter.
To sum up, this trombone slide provided by the invention and preparation method thereof, it reduces trombone slide from raw material selected as starting point
Cost, for example, in the prior art, generate the trombone slide of 10000 set specifications, need 50kg PP virgin materials and 1kg color masterbatch；And
In the present invention, 5kg PP material, 0.1kg color masterbatch and 45kg feed backs are only needed.In addition, by improving bench going out in forming process
Material mode, a runner is had more in mould, and sets the gradient of main feed mouth and time feed inlet, ensures that the stabilization of charging
The production efficiency of property and trombone slide.
Although above having done exhaustive presentation to the present invention by the way that case is embodied, it is appreciated that the above is retouched
State and be not considered as limitation of the present invention.On the basis of the present invention, those skilled in the art can make above step appropriate
Modification and improvement, this will be apparent.Therefore, the modification and improvement done on the basis of without departing from the present invention, belong to
In claimed category.
Claims (7)
1. a kind of preparation method of trombone slide, it is characterised in that in parts by weight, it is mainly made of following material component：
80-85 parts of plastic cement feed back, pp expect 5-20 parts；
The material component further includes Masterbatch, and the Masterbatch expects the 2%-10% of weight for the pp；
The trombone slide preparation method, specifically includes following steps：
1) melting, is heated respectively by the plastic cement feed back of set weight proportion, by pp material and the mixture that forms of Masterbatch, obtains the
One melting charge and the second melting charge；
2) after first melting charge, is molded into tubulose, second melting charge is sprayed on its surface, then is cooled down,
Obtain pre-profiling pipe；
3) cut after, the pre-profiling pipe is drawn, obtain trombone slide.
2. the preparation method of trombone slide according to claim 1, it is characterised in that the plastic cement feed back is that particle diameter is 60-100
Purpose graininess.
3. the preparation method of trombone slide according to claim 1, it is characterised in that in step 1)：
For the plastic cement feed back during melting is heated, temperature is 195 DEG C -205 DEG C.
4. the preparation method of trombone slide according to claim 3, it is characterised in that in step 1)：
For the mixture being made of pp material and Masterbatch during melting is heated, heating-up temperature is 200 DEG C -250 DEG C.
5. the preparation method of trombone slide according to claim 1, it is characterised in that in step 2), the mode of the cooling
Including：
The pipe that surface is sprayed to the second melting charge draws and is cooled down into bosh.
6. the preparation method of trombone slide according to claim 1, it is characterised in that before step 1), further include：
By waste and old plastic material in 200 DEG C of -230 DEG C of heating meltings, then it is granulated, obtains the graininess that particle diameter is 60-100 mesh and mould
Glue feed back.
7. the preparation method of trombone slide according to claim 6, it is characterised in that during the granulation, after melting
Waste and old plastic material in add calcium powder be granulated.
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| CN101798423A (en) * | 2010-03-25 | 2010-08-11 | 从化市聚赛龙工程塑料有限公司 | Modified composite material with waste polypropylene plastic as raw material and preparation method thereof |
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