CN109719919A - A kind of large scale plastic-steel gantry moulding process - Google Patents
A kind of large scale plastic-steel gantry moulding process Download PDFInfo
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- CN109719919A CN109719919A CN201811532236.4A CN201811532236A CN109719919A CN 109719919 A CN109719919 A CN 109719919A CN 201811532236 A CN201811532236 A CN 201811532236A CN 109719919 A CN109719919 A CN 109719919A
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Abstract
It is disclosed by the invention to belong to gantry production technical field, specially a kind of large scale plastic-steel gantry moulding process, specific steps are as follows: S1) choose raw material: 80-90 parts of PVC resin powder, 4-12 parts of stabilizer, 0.5-1.5 parts of ultraviolet absorbing agent, 6-10 parts of modifying agent, 2-5 parts of precipitated calcium carbonate, 20-40 parts of fiber filament；S2 it) cuts off: fiber filament being placed into rotation hob type fibre cutting machine and is cut off；S3 it) grinds: being ground fiber filament and PVC resin powder using grinder；S4 mixing preheating) pre- hot mixing: is carried out to raw material by stirred tank；S5 it) is kneaded: being melted raw material to molten condition by kneading machine；S6) extrusion molding；This programme reduces the weight and production cost of gantry, reduces transportation cost, while having spent the intensity, elasticity and antiseptic property of gantry itself again.
Description
Technical field
The present invention relates to gantry production technical field, specially a kind of large scale plastic-steel gantry moulding process.
Background technique
Cable testing bridge is divided into the structures such as slot type, pellet type and ladder-type, grid type, by bracket, trailing arm and installation attachment etc.
Composition, can independently set up, can also be attached on various buildings or structures and piping lane bracket, embody that structure is simple, the Beauty
It sees, configure the features such as flexible and easy to maintenance, gantry is due to the demand of self-strength, being mostly when in use using metal material
Production, causes gantry relatively fixed when in use, and elasticity is poor, and antiseptic property is bad, and weight is larger, virtually increases fortune
Defeated cost can also improve difficulty when installation, while plastic-steel gantry made of a small number of use composite materials, and there is also intensity not
Height, the problem of being unable to satisfy use demand, for this purpose, it is proposed that a kind of large scale plastic-steel gantry moulding process.
Summary of the invention
The purpose of the present invention is to provide a kind of large scale plastic-steel gantry moulding process, to solve to mention in above-mentioned background technique
Gantry out due to being mostly to be made using metal material when in use to the demand of self-strength, cause gantry when in use compared with
For fixation, elasticity is poor, and antiseptic property is bad, and weight is larger, transportation cost is virtually increased, when can also improve installation
Difficulty, while plastic-steel gantry made of a small number of use composite materials, it is not high that there is also intensity, is unable to satisfy asking for use demand
The problem of topic.
To achieve the above object, the invention provides the following technical scheme: a kind of large scale plastic-steel gantry moulding process, this kind
Large scale plastic-steel gantry moulding process specific steps are as follows:
S1 raw material: 80-90 parts of PVC resin powder, 4-12 parts of stabilizer, 0.5-1.5 parts of ultraviolet absorbing agent, modifying agent) are chosen
6-10 parts, 2-5 parts of precipitated calcium carbonate, 20-40 parts of fiber filament；
S2 it) cuts off: fiber filament is placed into rotation hob type fibre cutting machine, total power opens rotation hob type fibre cutting
Fiber filament is cut into the fiber filament that length is 1.5-2mm by machine；
S3) grind: by the fiber filament investment grinder after cutting in step S2), power setting 3-4kw grinds 20-
It is shut down after 45min, stands 3-5min, stood and complete, PVC resin powder is put into grinder, total power opens grinding at this time
Machine takes out after grinding 20-30min, obtains mixed material A；
S4) pre- hot mixing: mixed material A obtained in step S3) is put by the feed hopper on stirred tank to stirred tank
It is interior, while stabilizer and precipitated calcium carbonate are passed through into feed hopper together and put into stirred tank, it is by stirred tank power setting
2-3kw shuts down through feed hopper addition ultraviolet absorbing agent after stirring 10-20min, opens stirred tank, continue to stir 8-
It shuts down again after 13min, modifying agent is added by feed hopper, stirred tank temperature is set as 80-90 DEG C, stirs 3-8min,
Pre- hot mixing is carried out, is taken out after the completion of mixing, obtains semi-finished product A；
S5 it) is kneaded: semi-finished product A obtained in step S4) being put by the feed hopper on kneading machine to kneading machine, will be mixed
Mill temperature is set as 140-180 DEG C, obtains the semi-finished product B of molten condition after being kneaded 2-4h；
S6) extrusion molding: semi-finished product B obtained in step S5) is fed in screw extruder, screw extruder temperature is set as
45-55 DEG C, extruded velocity is set as 20-50m/min, squeezes in place to mold through screw extruder, then carries out after cooling down, and obtains into
Product.
Preferably, the stabilizer is one in dibasic lead phosphite, lead sulfate tribasic or dibasic lead stearate
Kind or two kinds.
Preferably, the fiber filament is selected as polytetrafluoroethylene fibre, poly- phenylene terepthalamide's fiber or poly- to benzene
One of dioctyl phthalate butanediol ester fiber.
Preferably, the step S4) in semi-finished product A taken out out of stirred tank after be placed in incubator, incubator is
Cabinet made of Q235 section steel material, and tank surface is provided with asbestos insulating layer.
Compared with prior art, the beneficial effects of the present invention are:
1) the utility model scheme makes gantry by using composite material, optimizes the same of gantry elastic property itself and antiseptic property
When, the weight of gantry is greatly reduced, difficulty when gantry installation is reduced, reduces transportation cost；
2) by adding fiber filament in the fabrication process, while as plastic-steel gantry filler material, the strong of gantry itself is optimized
Degree, elasticity and antiseptic property, satisfy the use demand, and reduce production cost, prolong the service life.
Detailed description of the invention
Fig. 1 is present invention process flow diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of large scale plastic-steel gantry moulding process, this kind big ruler
Very little plastic-steel gantry moulding process specific steps are as follows:
S1 raw material: 80-90 parts of PVC resin powder, 4-12 parts of stabilizer, 0.5-1.5 parts of ultraviolet absorbing agent, modifying agent) are chosen
6-10 parts, 2-5 parts of precipitated calcium carbonate, 20-40 parts of fiber filament；
S2 it) cuts off: fiber filament is placed into rotation hob type fibre cutting machine, total power opens rotation hob type fibre cutting
Fiber filament is cut into the fiber filament that length is 1.5-2mm by machine；
S3) grind: by the fiber filament investment grinder after cutting in step S2), power setting 3-4kw grinds 20-
It is shut down after 45min, stands 3-5min, stood and complete, PVC resin powder is put into grinder, total power opens grinding at this time
Machine takes out after grinding 20-30min, obtains mixed material A；
S4) pre- hot mixing: mixed material A obtained in step S3) is put by the feed hopper on stirred tank to stirred tank
It is interior, while stabilizer and precipitated calcium carbonate are passed through into feed hopper together and put into stirred tank, it is by stirred tank power setting
2-3kw shuts down through feed hopper addition ultraviolet absorbing agent after stirring 10-20min, opens stirred tank, continue to stir 8-
It shuts down again after 13min, modifying agent is added by feed hopper, stirred tank temperature is set as 80-90 DEG C, stirs 3-8min,
Pre- hot mixing is carried out, is taken out after the completion of mixing, obtains semi-finished product A；
S5 it) is kneaded: semi-finished product A obtained in step S4) being put by the feed hopper on kneading machine to kneading machine, will be mixed
Mill temperature is set as 140-180 DEG C, obtains the semi-finished product B of molten condition after being kneaded 2-4h；
S6) extrusion molding: semi-finished product B obtained in step S5) is fed in screw extruder, screw extruder temperature is set as
45-55 DEG C, extruded velocity is set as 20-50m/min, squeezes in place to mold through screw extruder, then carries out after cooling down, and obtains into
Product.
Wherein, the stabilizer is one of dibasic lead phosphite, lead sulfate tribasic or dibasic lead stearate
Or two kinds, the fiber filament is selected as polytetrafluoroethylene fibre, poly- phenylene terepthalamide's fiber or poly terephthalic acid fourth
One of terephthalate fibers, the step S4) in semi-finished product A taken out out of stirred tank after be placed in incubator, incubator
For cabinet made of Q235 section steel material, and tank surface is provided with asbestos insulating layer, guarantees that semi-finished product A is transferred to from stirred tank
During in kneading machine, heat will not scatter and disappear.
Embodiment one
S1) choose raw material: 80 parts of PVC resin powder, 4.5 parts of stabilizer, stabilizer are selected as 3 parts of lead sulfate tribasic, disalt
1.5 parts of base lead phosphite, 0.5 part of ultraviolet absorbing agent, 6 parts of modifying agent, 2 parts of precipitated calcium carbonate, 20 parts of fiber filament, fiber filament choosing
It is selected as polytetrafluoroethylene fibre；
S2 it) cuts off: fiber filament is placed into rotation hob type fibre cutting machine, total power opens rotation hob type fibre cutting
Fiber filament is cut into the fiber filament that length is 1.5mm by machine；
S3) grind: by the fiber filament investment grinder after cutting in step S2), power setting 3kw stops after grinding 20min
Machine stands 3min, stands and completes, PVC resin powder is put into grinder, and total power opens grinder at this time, grinds 20min
After take out, obtain mixed material A；
S4) pre- hot mixing: mixed material A obtained in step S3) is put by the feed hopper on stirred tank to stirred tank
It is interior, while stabilizer and precipitated calcium carbonate are passed through into feed hopper together and put into stirred tank, it is by stirred tank power setting
2kw, stir 10min after shut down by feed hopper be added ultraviolet absorbing agent, open stirred tank, continue stirring 8min after again
Shutdown, is added modifying agent by feed hopper, and stirred tank temperature is set as 80 DEG C, 3min is stirred, carries out pre- hot mixing, is mixed
It takes out after the completion, obtains semi-finished product A；
S5 it) is kneaded: semi-finished product A obtained in step S4) being put by the feed hopper on kneading machine to kneading machine, will be mixed
Mill temperature is set as 160 DEG C, obtains the semi-finished product B of molten condition after being kneaded 2h；
S6) extrusion molding: semi-finished product B obtained in step S5) is fed in screw extruder, screw extruder temperature is set as
45 DEG C, extruded velocity is set as 20m/min, squeezes in place to mold through screw extruder, then carries out after cooling down, and obtains finished product.
By the molding large scale plastic-steel gantry of the above method, weight is lower, and corrosion resistance is preferable, is suitble to outdoor or dislikes
It is installed and used under bad environment.
Embodiment two
S1) choose raw material: 85 parts of PVC resin powder, 6 parts of stabilizer, stabilizer are selected as 4.5 parts of lead sulfate tribasic, disalt
1.5 parts of base lead stearate, 1 part of ultraviolet absorbing agent, 6 parts of modifying agent, 3 parts of precipitated calcium carbonate, 20 parts of fiber filament, fiber filament selection
For poly- phenylene terepthalamide's fiber；
S2 it) cuts off: fiber filament is placed into rotation hob type fibre cutting machine, total power opens rotation hob type fibre cutting
Fiber filament is cut into the fiber filament that length is 1.5mm by machine；
S3) grind: by the fiber filament investment grinder after cutting in step S2), power setting 4kw stops after grinding 25min
Machine stands 3min, stands and completes, PVC resin powder is put into grinder, and total power opens grinder at this time, grinds 20min
After take out, obtain mixed material A；
S4) pre- hot mixing: mixed material A obtained in step S3) is put by the feed hopper on stirred tank to stirred tank
It is interior, while stabilizer and precipitated calcium carbonate are passed through into feed hopper together and put into stirred tank, it is by stirred tank power setting
2kw, stir 10min after shut down by feed hopper be added ultraviolet absorbing agent, open stirred tank, continue stirring 8min after again
Shutdown, is added modifying agent by feed hopper, and stirred tank temperature is set as 80 DEG C, 5min is stirred, carries out pre- hot mixing, is mixed
It takes out after the completion, obtains semi-finished product A；
S5 it) is kneaded: semi-finished product A obtained in step S4) being put by the feed hopper on kneading machine to kneading machine, will be mixed
Mill temperature is set as 160 DEG C, obtains the semi-finished product B of molten condition after being kneaded 2h；
S6) extrusion molding: semi-finished product B obtained in step S5) is fed in screw extruder, screw extruder temperature is set as
45 DEG C, extruded velocity is set as 20m/min, squeezes in place to mold through screw extruder, then carries out after cooling down, and obtains finished product.
By the molding large scale plastic-steel gantry of the above method, weight is lower, and intensity is preferable, is suitble to strong to gantry itself
It spends under the scene that has certain requirements and installs and uses.
S1) choose raw material: 80 parts of PVC resin powder, 4.5 parts of stabilizer, stabilizer are selected as 3 parts of lead sulfate tribasic,
1.5 parts of dibasic lead phosphite, 0.5 part of ultraviolet absorbing agent, 6 parts of modifying agent, 2 parts of precipitated calcium carbonate, 20 parts of fiber filament, fiber
Silk is selected as polybutylene terephthalate (PBT) fiber；
S2 it) cuts off: fiber filament is placed into rotation hob type fibre cutting machine, total power opens rotation hob type fibre cutting
Fiber filament is cut into the fiber filament that length is 1.5mm by machine；
S3) grind: by the fiber filament investment grinder after cutting in step S2), power setting 4kw stops after grinding 30min
Machine stands 4min, stands and completes, PVC resin powder is put into grinder, and total power opens grinder at this time, grinds 20min
After take out, obtain mixed material A；
S4) pre- hot mixing: mixed material A obtained in step S3) is put by the feed hopper on stirred tank to stirred tank
It is interior, while stabilizer and precipitated calcium carbonate are passed through into feed hopper together and put into stirred tank, it is by stirred tank power setting
2kw, stir 10min after shut down by feed hopper be added ultraviolet absorbing agent, open stirred tank, continue stirring 8min after again
Shutdown, is added modifying agent by feed hopper, and stirred tank temperature is set as 80 DEG C, 3min is stirred, carries out pre- hot mixing, is mixed
It takes out after the completion, obtains semi-finished product A；
S5 it) is kneaded: semi-finished product A obtained in step S4) being put by the feed hopper on kneading machine to kneading machine, will be mixed
Mill temperature is set as 160 DEG C, obtains the semi-finished product B of molten condition after being kneaded 2h；
S6) extrusion molding: semi-finished product B obtained in step S5) is fed in screw extruder, screw extruder temperature is set as
45 DEG C, extruded velocity is set as 20m/min, squeezes in place to mold through screw extruder, then carries out after cooling down, and obtains finished product.
By the molding large scale plastic-steel gantry of the above method, weight is lower, and elasticity preferably, is suitble to have to gantry ontology
It is used under the scene of aeroelastic requirements.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of large scale plastic-steel gantry moulding process, it is characterised in that: this kind of large scale plastic-steel gantry moulding process it is specific
Operating procedure is as follows:
S1 raw material: 80-90 parts of PVC resin powder, 4-12 parts of stabilizer, 0.5-1.5 parts of ultraviolet absorbing agent, modifying agent) are chosen
6-10 parts, 2-5 parts of precipitated calcium carbonate, 20-40 parts of fiber filament；
S2 it) cuts off: fiber filament is placed into rotation hob type fibre cutting machine, total power opens rotation hob type fibre cutting
Fiber filament is cut into the fiber filament that length is 1.5-2mm by machine；
S3) grind: by the fiber filament investment grinder after cutting in step S2), power setting 3-4kw grinds 20-
It is shut down after 45min, stands 3-5min, stood and complete, PVC resin powder is put into grinder, total power opens grinding at this time
Machine takes out after grinding 20-30min, obtains mixed material A；
S4) pre- hot mixing: mixed material A obtained in step S3) is put by the feed hopper on stirred tank to stirred tank
It is interior, while stabilizer and precipitated calcium carbonate are passed through into feed hopper together and put into stirred tank, it is by stirred tank power setting
2-3kw shuts down through feed hopper addition ultraviolet absorbing agent after stirring 10-20min, opens stirred tank, continue to stir 8-
It shuts down again after 13min, modifying agent is added by feed hopper, stirred tank temperature is set as 80-90 DEG C, stirs 3-8min,
Pre- hot mixing is carried out, is taken out after the completion of mixing, obtains semi-finished product A；
S5 it) is kneaded: semi-finished product A obtained in step S4) being put by the feed hopper on kneading machine to kneading machine, will be mixed
Mill temperature is set as 140-180 DEG C, obtains the semi-finished product B of molten condition after being kneaded 2-4h；
S6) extrusion molding: semi-finished product B obtained in step S5) is fed in screw extruder, screw extruder temperature is set as
45-55 DEG C, extruded velocity is set as 20-50m/min, squeezes in place to mold through screw extruder, then carries out after cooling down, and obtains into
Product.
2. a kind of large scale plastic-steel gantry moulding process according to claim 1, it is characterised in that: the stabilizer is two
One or both of alkali lead phosphite, lead sulfate tribasic or dibasic lead stearate.
3. a kind of large scale plastic-steel gantry moulding process according to claim 1, it is characterised in that: the fiber filament selection
For one of polytetrafluoroethylene fibre, poly- phenylene terepthalamide's fiber or polybutylene terephthalate (PBT) fiber.
4. a kind of large scale plastic-steel gantry moulding process according to claim 1, it is characterised in that: the step S4) in
Semi-finished product A is placed in incubator after taking out out of stirred tank, and incubator is cabinet made of Q235 section steel material, and cabinet table
Face is provided with asbestos insulating layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811532236.4A CN109719919A (en) | 2018-12-14 | 2018-12-14 | A kind of large scale plastic-steel gantry moulding process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811532236.4A CN109719919A (en) | 2018-12-14 | 2018-12-14 | A kind of large scale plastic-steel gantry moulding process |
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| CN109719919A true CN109719919A (en) | 2019-05-07 |
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| CN201811532236.4A Pending CN109719919A (en) | 2018-12-14 | 2018-12-14 | A kind of large scale plastic-steel gantry moulding process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716584A (en) * | 2020-05-18 | 2020-09-29 | 泰州市季氟隆塑胶制品有限公司 | Large-size PFA forming process |
| CN113696440A (en) * | 2021-08-03 | 2021-11-26 | 佛山市龙异卫浴科技有限公司 | PVC co-extrusion molding production process |
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|---|---|---|---|---|
| CN105153591A (en) * | 2015-09-23 | 2015-12-16 | 安徽坤和电气有限公司 | Flame-retardant high-strength plastic-steel bridge and preparation method thereof |
| CN108912555A (en) * | 2018-08-06 | 2018-11-30 | 蚌埠市鑫晟新材料科技有限公司 | A kind of preparation method of high-weatherability PVC wallboard |
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2018
- 2018-12-14 CN CN201811532236.4A patent/CN109719919A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105153591A (en) * | 2015-09-23 | 2015-12-16 | 安徽坤和电气有限公司 | Flame-retardant high-strength plastic-steel bridge and preparation method thereof |
| CN108912555A (en) * | 2018-08-06 | 2018-11-30 | 蚌埠市鑫晟新材料科技有限公司 | A kind of preparation method of high-weatherability PVC wallboard |
Non-Patent Citations (1)
| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716584A (en) * | 2020-05-18 | 2020-09-29 | 泰州市季氟隆塑胶制品有限公司 | Large-size PFA forming process |
| CN113696440A (en) * | 2021-08-03 | 2021-11-26 | 佛山市龙异卫浴科技有限公司 | PVC co-extrusion molding production process |
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