CN104175563B - A kind of leakage dropping-board LFT-D moulding process of high-strength light - Google Patents
A kind of leakage dropping-board LFT-D moulding process of high-strength light Download PDFInfo
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- CN104175563B CN104175563B CN201410319661.0A CN201410319661A CN104175563B CN 104175563 B CN104175563 B CN 104175563B CN 201410319661 A CN201410319661 A CN 201410319661A CN 104175563 B CN104175563 B CN 104175563B
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Abstract
The present invention provides the leakage dropping-board LFT D moulding process of a kind of high-strength light, including step 10, by resin PP according to template weight quantitatively, enters single order double screw extruder afterwards and adds heat fusing；It is then sent to the charging aperture of second order double screw extruder；Step 20, melted rear PP simultaneously enter with glass fibre after second order double screw extruder carries out mixing plasticizing and extrude；Step 30, plasticating after uniformly through second order double screw extruder, raw material are after second order screw rod die orifice cutting knife cuts off according to the weight of leakage dropping-board, then insulation is delivered to feeding displaced position；Step 40, in prefabricated mould complex root U-steel placed side by side, and described U-steel is suspended in mould, is then picked and placeed to press die by raw material and carries out compression molding and obtain goods.The leakage dropping-board that moulding process of the present invention prepares is lightweight, and strength and stiffness are enough, sturdy and durable and easily clean.
Description
Technical field
The present invention relates to the leakage dropping-board LFT-D moulding process of a kind of high-strength light.
Background technology
Use more leakage dropping-board kind mainly to have cement leakage dropping-board, cast iron leakage dropping-board at present in agriculture and animal husbandry field
With injection leakage dropping-board.Being analyzed in terms of economic benefit two from performance, its feature is as follows:
Obviously, above-mentioned leakage dropping-board can not be well adapted for current production needs, need to further improve,
To this, filed in the applicant on 05 07th, 2014, the practicality of Application No. 201420229850.4
Novel, there is disclosed the leakage dropping-board of a kind of high-strength light, it includes a plastic front board and is located at this plastic cover
The plural bar plastics reinforcement at the back side of plate, described plastic front board is provided with Lou excrement hole, described plastic cover
Being positioned apart from complex root U-steel inside plate and plastics reinforcement, described U-steel includes a base plate and two
Leg, in this base plate is wrapped in by plastic front board completely, in leg is wrapped in by plastics reinforcement the most completely.
Owing to this leakage dropping-board is made up of frosting and inner layer groove shaped steel, the reverse side of panel is additionally provided with reinforcement, weight
Amount is light, and strength and stiffness are enough, sturdy and durable and easily clean.But this utility model does not provide detailed
Thin moulding process.
Summary of the invention
The technical problem to be solved in the present invention, is that the leakage dropping-board LFT-D providing a kind of high-strength light becomes
Type technique, prepared leakage dropping-board is lightweight, and strength and stiffness are enough, sturdy and durable and easily clean.
The present invention is achieved in that the leakage dropping-board LFT-D moulding process of a kind of high-strength light, including:
Step 10, resin PP is fixed according to template weight by vacuum charging system to vector expression weighing system
Amount, enters single order double screw extruder afterwards and adds heat fusing；PP after Rong Rong delivers to second order twin screw and squeezes
Go out the charging aperture of machine；Wherein, the speed setting of single order screw extruder is 130-180r/min, single order
Screw extruder is divided into continuous print 7 melted plasticate district D1～D6 and D head, wherein D1 temperature
For 180-220 DEG C, D2 temperature is 190-230 DEG C, and D3 temperature is 210-240 DEG C, D4～D6 temperature
Being 215-240 DEG C, the temperature of D head is 215-240 DEG C；
Meanwhile, glass is delivered to second order dual-screw-stem machine by glass frame, and by measuring during conveying
Glass metering is cut off by shearing device, a length of 24-25mm after glass cut-out；Described metering is cut off
Device running speed is 30-60r/min, and glass transporting velocity depends on measuring shearing device running speed；
Step 20, melted rear PP simultaneously enter second order double screw extruder and carry out mixing moulding with glass fibre
Change, the PP accounting for gross mass 50%-70% through plasticating with account for the glass of gross mass 30%-50% at second order
Double screw extruder mixture and melted plasticate after extrude, described second order screw extruder is provided with 6 mixtures
Melted plasticate district C1～C5 and C head, wherein the temperature of C1～C5 is 215-240 DEG C, C machine
The temperature of head is 225-250 DEG C, and the rotating speed of described second order screw extruder is 100-140r/min；
Step 30, plasticating after uniformly through second order double screw extruder, raw material are through second order screw rod die orifice cutting knife
After cutting off according to the weight of leakage dropping-board, then insulation is delivered to feeding displaced position；
Step 40, in prefabricated mould complex root U-steel placed side by side, and described U-steel is outstanding sets
In mould, then raw material are picked and placeed to press die and carry out compression molding and obtain goods；Want modulus
Pressure pressure is 1200-2000T, and upper mold temperature is 15-45 DEG C, and lower mold temperature is 15-30 DEG C, during pressurize
Between be 65-85s.
Further, the mould in described step 40 includes that male model and master mold, described male model and master mold close
Die cavity is formed after mould；Described die cavity includes a plurality of being interconnected and spaced apart first cavity and second
Cavity, described first cavity and the second cavity are respectively provided with horizontal space and longitudinal space, described horizontal space
For molding the plastic front board forming described leakage dropping-board, it is additionally provided with in described horizontal space for forming leakage excrement
The obturator in hole；Described longitudinal space is for molding the reinforcement forming described leakage dropping-board；And described first
The height of the horizontal space of cavity and longitudinal space width are all higher than the thickness of described U-steel, to hold completely
Receive described U-steel.
Further, described male model is provided with at least two corresponding to corresponding groove shaped steel on the die joint of the first cavity
Individual small convex pillar is to support described U-steel, and before making mold pressing, described U-steel is suspended in the die cavity of mould, and
U-steel is provided with injection molding hole with the upper and lower cavity space of connectivity slot shaped steel.
Further, the thickness of described U-steel is 2mm, the height of the horizontal space of described first cavity
Degree is 5mm, and the size of described obturator is 23mm × 330mm, the horizontal space of described second cavity
Height have two kinds, corresponding to adjacent two row leakage excrement holes ends between height be 5mm, correspond to
In string leakage excrement hole, the height between each leakage excrement hole is 3mm.
Present invention have the advantage that
1, in performance: 1. use LFT-D technique to have high intensity, low-density, dimensionally stable, high ratio
The distinguishing features such as modulus and impact resistance are strong, length in service life, creep resistance are excellent；2. can in material
Adding antibacterial, make the breeding of surface bacteria be suppressed, the excellent matching adding antibacterial can make
Fertile material plays excellent antimicrobial and antibacterial effect；3. material recoverable, after crushed may be used
Directly use as raw material, environmental protection and economy；
2, in economic benefit: the most uniform weight capacity is up to up to more than 500kg, aging resistance service life
20～30 years；2. installing simple easy construction, leakage dropping-board and supporting is weighed light, single can construct,
Need not by any equipment and instrument；3. leakage dropping-board on arrange edge hook, by increasing capacitance it is possible to increase leakage dropping-board with
The gmatjpdumamics of support bar, prevents double swerve；4. the leakage dropping-board back side is provided with measurement reinforcement, gripper shoe
Reinforcement and hook reinforcement, on the premise of ensureing that stress and deflection meet use, by leakage dropping-board
It is the biggest that length has brought up to 2.4m so that supports and advocates to reduce, it is achieved the clear excrement of machinery.
Accompanying drawing explanation
The present invention is further illustrated the most in conjunction with the embodiments.
Fig. 1 is that the inventive method performs flow chart.
Fig. 2 is the structural representation of inventive die.
Fig. 2 a is the structural representation cutd open along A-A of Fig. 2.
Fig. 2 b is the structural representation cutd open along B-B of Fig. 2 a.
Fig. 3 be in the present invention U-steel at the plan structure schematic diagram of male model inner position state.
Fig. 3 a is that in inventive die, U-steel faces structural representation in male model inner position state.
Fig. 3 b be in inventive die U-steel at the left view structural representation of male model inner position state.
Fig. 3 c is the structural representation cutd open along C-C of Fig. 3.
Fig. 4 is the front perspective view of present invention process resulting product one preferred embodiment.
Fig. 5 is the reverse side perspective view of present invention process resulting product one preferred embodiment.
Fig. 6 is the structural representation that the present invention leaks the U-steel of dropping-board.
Fig. 7 a is the Fig. 4 cross section view along E-E.
Fig. 7 b is the Fig. 4 cross section view along D-D.
Detailed description of the invention
As it is shown in figure 1, the leakage dropping-board LFT-D moulding process of the high-strength light of the present invention, including:
Step 10, resin PP is fixed according to template weight by vacuum charging system to vector expression weighing system
Amount, enters single order double screw extruder afterwards and adds heat fusing；PP after Rong Rong delivers to second order twin screw and squeezes
Go out the charging aperture of machine；Wherein, the speed setting of single order screw extruder is 130-180r/min, single order
Screw extruder is divided into continuous print 7 melted plasticate district D1～D6 and D head, wherein D1 temperature
Degree is for 180-220 DEG C, and D2 temperature is 190-230 DEG C, and D3 temperature is 210-240 DEG C, D4～D6 temperature
Degree is 215-240 DEG C, and the temperature of D head is 215-240 DEG C；
Meanwhile, glass is delivered to second order dual-screw-stem machine by glass frame, and by measuring during conveying
Glass metering is cut off by shearing device, a length of 24-25mm after glass cut-out；Described metering is cut off
Device running speed is 30-60r/min, and glass transporting velocity depends on measuring shearing device running speed；
Described glass metering shearing device can use Fujian Haiyuan Automation Machinery Co application and in
Chinese invention disclosed in 14 days Augusts in 2013 " prevents glass cutting method and the dress of the axial migration of glass
Put " the glass cutter sweep preventing the axial migration of glass in (201310162027.6), or serve as reasons
Fujian Haiyuan Automation Machinery Co's application is the newest in practicality disclosed in 8 days January in 2012
In type patent " the continuous fiber fixed-length cutting device of continuous accurate measurement " (201120100231.1)
The continuous fiber fixed-length cutting device of accurate measurement continuously.
Step 20, melted rear PP simultaneously enter second order double screw extruder and carry out mixing moulding with glass fibre
Change, the PP accounting for gross mass 50%-70% through plasticating with account for the glass of gross mass 30%-50% at second order
Double screw extruder mixture and melted plasticate after extrude, described second order screw extruder is provided with 6 mixtures
Melted plasticate district C1～C5 and C head, wherein the temperature of C1～C5 is 215-240 DEG C, C machine
The temperature of head is 225-250 DEG C, and the rotating speed of described second order screw extruder is 100-140r/min；
Step 30, plasticating after uniformly through second order double screw extruder, raw material are through second order screw rod die orifice cutting knife
After cutting off according to the weight of leakage dropping-board, then insulation is delivered to feeding displaced position；
Step 40, combine Fig. 2 to Fig. 7 b, complex root U-steel placed side by side in prefabricated mould,
And described U-steel is suspended in mould, then raw material are picked and placeed to press die carry out compression molding and
Obtain goods；Requirement molding pressure is 1200-2000T, and upper mold temperature is 15-45 DEG C, and lower mold temperature is
15-30 DEG C, the dwell time is 65-85s.
As shown in Fig. 2 to Fig. 2 b and Fig. 4 to Fig. 7 b, the mould 500 in described step 40 includes
Die cavity 7 is formed after male model 5 and master mold 6, described male model 5 and master mold 6 matched moulds；The structure of die cavity 7 with
The profile knot of the leakage dropping-board of the high-strength light disclosed by the utility model of Application No. 201420229850.4
Structure matches.Described die cavity includes a plurality of being interconnected and spaced apart first cavity 71 and second
Cavity 72, described first cavity 71 and the second cavity 72 are respectively provided with horizontal space 711 (721) and indulge
To space 712 (722), described horizontal space 711 (721) is used for molding the described leakage dropping-board 100 of formation
Plastic front board 1, be additionally provided with the obturator for forming Lou excrement hole in described horizontal space 711 (721)
8；Described longitudinal space 712 (722) is for molding the reinforcement 2 forming described leakage dropping-board 100；And
Height and longitudinal space 712 width of the horizontal space 711 of described first cavity 71 are all higher than described groove
The thickness of shaped steel 4, to accommodate described U-steel 4 completely.Described male model 5 is corresponding to the first cavity 71
Die joint on corresponding groove shaped steel be provided with at least two small convex pillar 9 to support described U-steel 4, make mold pressing
Front described U-steel 4 is suspended in the die cavity 7 of mould 500, and U-steel 4 is provided with injection molding hole 43
Cavity space with connectivity slot shaped steel about 4.
The thickness of described U-steel 4 is 2mm, the height of the horizontal space 711 of described first cavity 71
Degree is 5mm, and the size of described obturator 8 is 23mm × 330mm, the horizontal stroke of described second cavity 72
Height to space 721 has two kinds, corresponding to the height between the end in adjacent two row leakage excrement holes is
5mm, is 3mm corresponding to the height between leakage excrement hole each in string leakage excrement hole.
According to above-mentioned steps 10 to step 40, it is provided that 3 embodiments of the present invention, and distinguish by following table
The parameter of several embodiments:
Referring to shown in Fig. 4 to Fig. 7 b, the goods of gained of the present invention are the leakage dropping-board of high-strength light, its
Including a plastic front board 1 and the plural bar plastics reinforcement 2 of being located at plastic front board 1 back side, described plastics
It is provided with Lou excrement hole 3, described plastic front board 1 and plastics reinforcement 2 inside on panel 1 to be positioned apart from
Complex root U-steel 4, described U-steel 4 includes base plate 41 and two legs 42, and this base plate 41 is complete
In being wrapped in by plastic front board 1, in leg 42 is wrapped in by plastics reinforcement 2 the most completely.Described leakage
Excrement hole 3 is arranged on plastic front board 1 in column, and described plastics reinforcement 2 includes that main reinforcement 21 and pair add
Strong muscle 22, described secondary reinforcement 22 connects each main reinforcement 21 and is in the end in adjacent two row leakage excrement holes 3
Between portion, two legs 42 of described U-steel 4 are positioned at main reinforcement 21.
Wherein, as shown in figs. 7 a and 7b, the thickness D1 of described U-steel is 2mm, is enclosed with groove
The thickness D2 of the described plastic front board 1 of shaped steel 4 is 5mm, is not enclosed with the described plastics of U-steel 4
The thickness of panel 1 has two kinds, and the thickness D3 between the end in adjacent two row leakage excrement holes 3 is 5mm,
In string leakage excrement hole 3, the thickness D4 between each leakage excrement hole 3 is 3mm.
The base plate 41 of arbitrary described U-steel 4 and leg 42 are provided with a plurality of injection molding hole 43, beneficially injection molding
During manufacture, the flowing of mould material inside and outside U-steel 4.The size in described leakage excrement hole 3 is 23mm × 330mm
Time, on the one hand can ensure sufficient intensity, on the other hand also can save material.It addition, described U-steel can
Think metallic channel shaped steel or glass fibre reinforced plastic groove shaped steel, or the enhancing material U-steel that other intensity is enough.
Passing through above-described embodiment, it can be seen that the surface quality of goods is higher, is found by experiment that, point holds
Beijing South Maxpower Technology Co. Ltd's power is higher, and deflection is less, and therefore the goods of the long glass fiber reinforced that channel-section steel is filled have higher combining
Close performance.It addition, this technique without the interpolation of other auxiliary agents effectively and without prepreg step, it is possible to
Reduce the production cycle.
Although the foregoing describing the detailed description of the invention of the present invention, but it is familiar with the technology people of the art
Member should be appreciated that our described specific embodiment is merely exemplary rather than for this
The restriction of bright scope, those of ordinary skill in the art are in the equivalence made according to the spirit of the present invention
Modify and change, all should contain in the scope of the claimed protection of the present invention.
Claims (4)
1. the leakage dropping-board LFT-D moulding process of a high-strength light, it is characterised in that: include
Step 10, resin PP is fixed according to template weight by vacuum charging system to vector expression weighing system
Amount, enters single order double screw extruder afterwards and adds heat fusing；PP after Rong Rong delivers to second order twin screw and squeezes
Go out the charging aperture of machine；Wherein, the speed setting of single order screw extruder is 130-180r/min, single order
Screw extruder is divided into continuous print 7 melted plasticate district D1～D6 and D head, wherein D1 temperature
For 180-220 DEG C, D2 temperature is 190-230 DEG C, and D3 temperature is 210-240 DEG C, D4～D6 temperature
Being 215-240 DEG C, the temperature of D head is 215-240 DEG C；
Meanwhile, glass is delivered to second order dual-screw-stem machine by glass frame, and by measuring during conveying
Glass metering is cut off by shearing device, a length of 24-25mm after glass cut-out；Described metering is cut off
Device running speed is 30-60r/min, and glass transporting velocity depends on measuring shearing device running speed；
Step 20, melted rear PP simultaneously enter second order double screw extruder and carry out mixing moulding with glass fibre
Change, the PP accounting for gross mass 50%-70% through plasticating with account for the glass of gross mass 30%-50% at second order
Double screw extruder mixture and melted plasticate after extrude, described second order screw extruder is provided with 6 mixtures
Melted plasticate district C1～C5 and C head, wherein the temperature of C1～C5 is 215-240 DEG C, C machine
The temperature of head is 225-250 DEG C, and the rotating speed of described second order screw extruder is 100-140r/min；
Step 30, plasticating after uniformly through second order double screw extruder, raw material are through second order screw rod die orifice cutting knife
After cutting off according to the weight of leakage dropping-board, then insulation is delivered to feeding displaced position；
Step 40, in prefabricated mould complex root U-steel placed side by side, and described U-steel is outstanding sets
In mould, then raw material are picked and placeed to press die and carry out compression molding and obtain goods；Want modulus
Pressure pressure is 1200-2000T, and upper mold temperature is 15-45 DEG C, and lower mold temperature is 15-30 DEG C, during pressurize
Between be 65-85s.
The leakage dropping-board LFT-D moulding process of high-strength light the most according to claim 1, its feature
It is: the mould in described step 40 is formed after including male model and master mold, described male model and master mold matched moulds
Die cavity；Described die cavity includes a plurality of being interconnected and spaced apart first cavity and the second cavity, institute
Stating the first cavity and the second cavity is respectively provided with horizontal space and longitudinal space, described horizontal space is used for molding
Form the plastic front board of described leakage dropping-board, in described horizontal space, be additionally provided with the filling for forming Lou excrement hole
Body；Described longitudinal space is for molding the reinforcement forming described leakage dropping-board；And the horizontal stroke of described first cavity
Height to space and longitudinal space width are all higher than the thickness of described U-steel, to accommodate described groove completely
Shaped steel.
The leakage dropping-board LFT-D moulding process of high-strength light the most according to claim 2, its feature
It is: described male model is provided with at least two small convex pillar corresponding to corresponding groove shaped steel on the die joint of the first cavity
To support described U-steel, before making mold pressing, described U-steel is suspended in the die cavity of mould, and on U-steel
It is provided with injection molding hole with the upper and lower cavity space of connectivity slot shaped steel.
The leakage dropping-board LFT-D moulding process of high-strength light the most according to claim 3, its feature
Being: the thickness of described U-steel is 2mm, the height of the horizontal space of described first cavity is 5mm,
The size of described obturator is 23mm × 330mm, and the height of the horizontal space of described second cavity has two
Kind, it is 5mm corresponding to the height between the end in adjacent two row leakage excrement holes, leaks excrement hole corresponding to string
In height between each leakage excrement hole be 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410319661.0A CN104175563B (en) | 2014-07-07 | 2014-07-07 | A kind of leakage dropping-board LFT-D moulding process of high-strength light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410319661.0A CN104175563B (en) | 2014-07-07 | 2014-07-07 | A kind of leakage dropping-board LFT-D moulding process of high-strength light |
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| CN104175563B true CN104175563B (en) | 2016-08-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943191A (en) * | 2015-04-30 | 2015-09-30 | 郑州翎羽新材料有限公司 | High-strength thermoplastic composite plastic dung leaking plate and preparation method thereof |
| CN113826555A (en) * | 2021-10-08 | 2021-12-24 | 杨凯 | Heating leak board and manufacturing process thereof |
| CN115339201A (en) * | 2022-07-19 | 2022-11-15 | 上海盟杉科技技术发展有限公司 | Composite perforated sound-absorbing board and manufacturing method thereof |
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Denomination of invention: Light and high-strength dung leakage plate LFT-D forming process Effective date of registration: 20180806 Granted publication date: 20160817 Pledgee: Bank of Xiamen, Limited by Share Ltd, Nanping branch Pledgor: Fujian Haiyuan New Material Science & Technology Co., Ltd. Registration number: 2018350000071 |
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