CN109570017A - Compound sieve plate skeleton, thermoplastic elastomer (TPE) sieve plate and preparation method - Google Patents
Compound sieve plate skeleton, thermoplastic elastomer (TPE) sieve plate and preparation method Download PDFInfo
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- CN109570017A CN109570017A CN201811475657.8A CN201811475657A CN109570017A CN 109570017 A CN109570017 A CN 109570017A CN 201811475657 A CN201811475657 A CN 201811475657A CN 109570017 A CN109570017 A CN 109570017A
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- sieve plate
- skeleton
- thermoplastic elastomer
- tpe
- thermoplastic
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- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 97
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 150000001875 compounds Chemical class 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000001746 injection moulding Methods 0.000 claims abstract description 27
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 229920001169 thermoplastic Polymers 0.000 claims description 29
- 239000004416 thermosoftening plastic Substances 0.000 claims description 29
- 239000013013 elastic material Substances 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 claims description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 7
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- 229920000515 polycarbonate Polymers 0.000 claims description 7
- 239000004417 polycarbonate Substances 0.000 claims description 7
- 229920006324 polyoxymethylene Polymers 0.000 claims description 7
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 7
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims description 4
- 229920000299 Nylon 12 Polymers 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 4
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 claims 1
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 claims 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 229920006122 polyamide resin Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 17
- 230000008859 change Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- WGWACCCAJWZIML-UHFFFAOYSA-N benzene;buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N.C1=CC=CC=C1 WGWACCCAJWZIML-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical group 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4618—Manufacturing of screening surfaces
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
本发明公开了复合型筛板骨架、热塑性弹性体筛板及相应的制备方法；复合型筛板骨架包括工程塑料和纤维的复合材料骨架。其制备方法是以工程塑料和纤维为原料采用注塑成型工艺制备复合型筛板骨架。热塑性弹性体筛板包括复合型筛板本体和筛板骨架；筛板本体为热塑性弹性体材料；筛板骨架设在筛板本体内。热塑性弹性体筛板的制备方法是采用注塑成型工艺制备筛板骨架；再将筛板骨架置于用于制备热塑性弹性体筛板的模具内，以热塑性弹性体材料为原料采用注塑成型工艺，获得热塑性弹性体筛板。筛板整体具备足够的强度和回弹性，筛板骨架和筛板本体连接紧密，不会分离剥落，延长了使用寿命。
The invention discloses a composite sieve plate skeleton, a thermoplastic elastomer sieve plate and a corresponding preparation method; the composite sieve plate skeleton comprises a composite material skeleton of engineering plastics and fibers. The preparation method uses engineering plastics and fibers as raw materials to prepare a composite sieve plate frame by an injection molding process. The thermoplastic elastomer sieve plate includes a composite sieve plate body and a sieve plate frame; the sieve plate body is made of thermoplastic elastomer material; the sieve plate frame is arranged in the sieve plate body. The preparation method of the thermoplastic elastomer sieve plate is to adopt the injection molding process to prepare the sieve plate skeleton; then the sieve plate skeleton is placed in the mold for preparing the thermoplastic elastomer sieve plate, and the thermoplastic elastomer material is used as the raw material by the injection molding process to obtain Thermoplastic elastomer screen. The sieve plate as a whole has sufficient strength and resilience, and the sieve plate skeleton and the sieve plate body are closely connected, and will not be separated and peeled off, which prolongs the service life.
Description
Technical field
The present invention relates to sieve plate technical fields, more particularly to compound sieve plate skeleton, thermoplastic elastomer (TPE) sieve plate and phase
The preparation method answered.
Background technique
Sieve plate (sieve) currently on the market mainly includes steel wire sieve plate and plastic cement sieve plate, due to plastic cement sieve plate performance and
Economic benefit is more preferable, extensive in enterprises such as coal washery, coke-oven plant, mine, power plant, dredging company, metallurgy, petroleum, petrochemical industry
Using.Existing plastic cement sieve plate is mainly perfused with heat-curable urethane, that is, artificial low-pressure injection (casting) is used, by iron or steel
Equal metallic frameworks are put into cavity plate, then directly pour into polyurethane, and surface is struck off, cold by chemical reaction molding in mold
But it is manually demolded afterwards.That there are product glue thickness ununiformities is even for the sieve plate prepared by this material or technique, interior metal skeleton is endless
It is many that whole, respective location does not encase, product self-strength is not high, wear resistance decrease, mounting groove and docking groove are nonstandard etc.
Problem.Lead to the reduction of product service life, while T-steel frame quick abrasion being installed, very short time just needs replacing, and increases usage charges
With.Meanwhile this sieve plate intensity is insufficient, is easy to appear and inlays peeling-off disabling damage between skeleton and sieve plate ontology；Inside edge
Embedding metallic framework connect difficulty with external polyurethane material, and product is in vibration, the change of skeleton and sieve plate ontology (polyurethane)
Differing greatly for shape amount causes two kinds of materials to separate in flakes, and skeleton be plastically deformed after can not restore, aggravated two kinds of materials
The separation of matter is peeled off, and the damage of sieve (plate) is caused to be failed.And the no elasticity of metallic framework, once modified product can not be also
Original causes product that cannot use, and the sieve plate service life is low, and use cost is high；The metallic framework production link effect on environment inlayed compared with
Greatly, and skeleton generallys use welding manner molding, leads to the high production cost of skeleton, weight is larger, and transportation cost is high；In addition,
Due to causing metallic framework to chemically react with polyurethane, sieve plate ontology is melted recycling when property using production technology is perfused
It can have occurred and that change, therefore existing sieve plate can not be recycled by melting, production and application cost is all higher.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the invention proposes one kind
Compound sieve plate skeleton, is used for the support construction of sieve plate, and the sieve plate skeleton is the composite wood for including engineering plastics and fiber
Expect skeleton.
Further, the engineering plastics include polyamide, acrylonitrile-butadiene-styrene copolymer, polyformaldehyde,
One or more of polycarbonate；The fiber includes glass fibre and/or carbon fiber.
Support construction by the sieve plate skeleton that is made of engineering plastics and fiber as sieve plate, substitutes original metal bone
Frame can mitigate sieve plate weight and production cost significantly, and material is Ke Xunhuanliyong, and can realize that degradation reduces pollution environmental benefits and protects
Retaining ring border；For original metallic framework, there is sieve plate skeleton of the invention enough intensity and resilience to meet severe
The carrying needed in use environment operating condition is rigid and impact-resistant resilience, extends the service life of sieve plate.
The invention also provides a kind of preparation methods of compound sieve plate skeleton, use using engineering plastics and fiber as raw material
Injection molding process prepares compound sieve plate skeleton.The sieve plate skeleton prepared by above-mentioned injection molding process, skeleton it is compound
Material does not chemically react, and convenient for the recycling and reusing of skeleton, reduces sieve plate use and production cost.
The invention also provides a kind of thermoplastic elastomer (TPE) sieve plates, including sieve plate ontology and sieve plate skeleton as described above；
The sieve plate ontology is thermoplastic elastic material, and the sieve plate ontology is equipped with mesh；The sieve plate skeleton is located at the sieve
In plate ontology.
Further, the thermoplastic elastic material include thermoplastic polyurethane elastomer rubber, nylon 12,
One or more of TPR material, TPE material；The engineering plastics include polyamide, acrylonitrile-butadiene-styrene (ABS)
One or more of copolymer, polyformaldehyde, polycarbonate；The fiber includes glass fibre and/or carbon fiber.
Further, the sieve plate ontology is the thermoplastic elastic material that shore hardness is 65A~98A.
Further, the sieve plate skeleton include it is horizontal be set to the intrinsic main grid structure of sieve plate and it is multiple be connected to vertically it is described
Support frame below main grid structure；The main grid structure is made with multiple support frames as described above of integral type；Sieve plate ontology front is
Flat surface；The sieve plate ontology back side is equipped with protruding bar, and support frame as described above is arranged in the protruding bar.Further,
Intersection is not present in the fusion temperature range of the sieve plate ontology and sieve plate skeleton.
Sieve plate skeleton using composite material skeleton as thermoplastic elastomer (TPE) sieve plate of the present invention replaces conventional metals skeleton
Structure, significantly reduces product itself weight, reduces transportation cost, at the same thermoplastic elastomer (TPE) sieve plate integrally have it is enough strong
Degree and resilience, sieve plate skeleton and sieve plate ontology are completely embedded, will not separate peeling, extend service life.Sieve plate skeleton and
Sieve plate ontology is all recyclable material, and can be reduced environmental pollution by degradation, and environmental protection is conducive to.Utilize sieve plate
The otherness of ontology and sieve plate skeleton fusing point drops significantly convenient for separation when the recycling of thermoplastic elastomer (TPE) sieve plate and cycling and reutilization
Low production cost and use cost have good economic benefit.
The invention also provides the preparation methods of thermoplastic elastomer (TPE) sieve plate, include the following steps:
A, sieve plate skeleton is prepared using injection molding process using engineering plastics and fiber as raw material；
B, sieve plate skeleton prepared by step A is placed in the mold for being used to prepare thermoplastic elastomer (TPE) sieve plate, with thermoplasticity
Elastomeric material is that raw material uses injection molding process, so that thermoplastic elastic material and sieve plate skeleton is formed integral structure, obtains
Obtain thermoplastic elastomer (TPE) sieve plate.
Further, in the step B, before using injection molding process as raw material using thermoplastic elastic material, to sieve plate
Skeleton is heated, its surface portion or all fusing are made.
Since entire thermoplastic elastomer (TPE) sieve plate all uses mold to carry out injection molding process preparation, entirety can be effectively increased
Intensity and bearing capacity, realize the close connection of sieve plate skeleton and thermoplastic elastic material, to reach integration, ensure that whole
The stability of a thermoplastic elastomer (TPE) sieve plate.Sieve plate skeleton and thermoplastic elastic material mould inside by physical change into
The close connection of row, avoiding outside environmental elements influences to ensure that the precision of product.Thermoplastic elastomer (TPE) sieve plate uses one
Secondary injection molding, it can be ensured that the consistency of mesh can also reduce cost of labor by injection molding manner and reduce bad product rate, compare
For existing perfusion production method, product quality is more preferable.
Detailed description of the invention
Fig. 1 is the positive structure schematic of thermoplastic elastomer (TPE) sieve plate of the present invention；
Fig. 2 is the structure schematic diagram of Fig. 1；
Wherein, 1, sieve plate ontology；2, sieve plate skeleton；3, mesh；4, protruding bar.
Specific embodiment
The embodiments described below is exemplary, and for explaining only the invention, and should not be understood as to limit of the invention
System.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
" right side ", "vertical", "horizontal", "top", "bottom" "inner", "outside" etc. are merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, is arranged or one
It connects to body, be arranged.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The invention proposes a kind of compound sieve plate skeleton (also referred to as sieve plate skeleton below, i.e. " compound sieve plate skeleton " with
" sieve plate skeleton " is equivalent in meaning), it is used for the support construction of sieve plate, sieve plate skeleton to be the composite wood for including engineering plastics and fiber
Expect skeleton.Engineering plastics include polyamide, acrylonitrile-butadiene-styrene copolymer, polyformaldehyde, in polycarbonate
It is one or more of；Fiber includes glass fibre and/or carbon fiber.Pass through the sieve plate skeleton conduct being made of engineering plastics and fiber
The support construction of sieve plate substitutes original metallic framework, can mitigate sieve plate weight and production cost significantly, and material is Ke Xunhuanliyong,
And it can realize that degradation reduces pollution environmental benefits protection environment；For original metallic framework, sieve plate skeleton tool of the invention
Having enough intensity and resilience to meet, the carrying needed in severe use environment operating condition is rigid and impact-resistant resilience, prolongs
The service life of sieve plate is grown.
For above-mentioned sieve plate skeleton, the invention also provides a kind of preparation methods of compound sieve plate skeleton, with engineering plastic
Material and fiber are that raw material uses injection molding process to prepare compound sieve plate skeleton.I.e. above-mentioned sieve plate skeleton uses injection molding work
Skill preparation.The sieve plate skeleton prepared by injection molding process, the composite material of sieve plate skeleton do not chemically react, convenient for sieve
The recycling and reusing of framework reduces use cost and production cost.
As shown in Figure 1, 2, the invention also provides a kind of thermoplastic elastomer (TPE) sieve plates equipped with above-mentioned sieve plate skeleton, specifically
For the thermoplastic elastomer (TPE) sieve plate includes sieve plate ontology 1 and above-mentioned sieve plate skeleton 2；Sieve plate ontology 1 is thermoplastic elastomer (TPE) material
Material, sieve plate ontology are equipped with mesh 3；Sieve plate skeleton 2 is located in the sieve plate ontology 1.
Thermoplastic elastic material includes thermoplastic polyurethane elastomer rubber (TPU material), nylon 12 (PA12
Material), TPR material, one or more of TPE material；Engineering plastics include polyamide, acrylonitrile-butadiene-benzene second
One or more of alkene copolymer, polyformaldehyde, polycarbonate；Fiber includes glass fibre and/or carbon fiber.
Sieve plate ontology 1 is the thermoplastic elastic material that shore hardness is 65A~98A.
Sieve plate ontology 1 and sieve plate skeleton 2 are preferably the integral structure being molded.Certainly, sieve plate ontology 1 and sieve plate skeleton 2
It can be bonded by adhesive.The fusion temperature range of sieve plate ontology 1 and sieve plate skeleton 2 is not present intersection, but the fusing of the two
Temperature can not differ too big, such as 10 DEG C~30 DEG C of temperature difference, such as the fusing temperature of thermoplastic polyurethane elastomer rubber
About 180 DEG C~220 DEG C of range of degree, the fusion temperature range of the composite material of polyamide and fiber is about 230 DEG C~
280 DEG C, i.e. fusing point of the fusing point of sieve plate skeleton 2 higher than sieve plate ontology 1.Utilize the difference of sieve plate ontology 1 and 2 fusing point of sieve plate skeleton
Property, convenient for thermoplastic elastomer (TPE) sieve plate using the separation of sieve plate ontology 1 when heating fusion method recycling and 2 raw material of sieve plate skeleton and
Cycling and reutilization greatly reduces production cost and use cost, has good economic benefit.For example, manufacturing enterprise recycles
The thermoplastic elastomer (TPE) sieve plate of damage carries out fusing separation to it, prepares sieve plate ontology 1 and sieve plate skeleton 2 so as to obtain
Raw material can carry out injection molding production to obtain thermoplastic elastomer (TPE) sieve plate of the invention, for traditional sieve plate, significantly again
Production cost is reduced, customer using cost or purchase cost are also reduced.
1 front of sieve plate ontology is flat surface, in order to make thermoplastic elastomer (TPE) sieve plate of the invention have higher intensity
And resilience, sieve plate skeleton 2 include the horizontal main grid structure being set in sieve plate ontology 1 and multiple are connected under the main grid structure vertically
The support frame of side, main grid structure are mesh skeleton criss-cross in horizontal plane, and main grid structure is made with multiple support frames of integral type；
1 back side of sieve plate ontology is equipped with protruding bar 4, and support frame is arranged in the protruding bar, and each protruding bar 4 is equipped with multiple
Sieve plate ontology 1 is divided into multiple sieve sections by support frame, protruding bar 4, in order to meet the resilience of sieve plate ontology 1, protrusion
Multiple support frames on rib 4 use spaced apart mode.
Sieve plate skeleton 2 using the skeleton of composite material preparation as thermoplastic elastomer (TPE) sieve plate of the present invention, replaces tradition
Metal framework structure significantly reduces product itself weight, reduces transportation cost, while thermoplastic elastomer (TPE) sieve plate integrally has
Enough intensity and resilience, sieve plate skeleton 2 and sieve plate ontology 1 are completely embedded, and will not be separated peeling, be extended service life.
Sieve plate skeleton 2 and sieve plate ontology 1 are all Ke Xunhuanliyong material, and can be reduced environmental pollution by degradation, and environment is conducive to
Protection.
Sieve plate ontology selects shore hardness for the thermoplastic elastic material of 65A in the present embodiment.
About another embodiment of thermoplastic elastomer (TPE) sieve plate, difference is that sieve plate ontology 1 selects shore hardness for 98A's
Thermoplastic elastic material.
In order to obtain more excellent performance, in the another embodiment of this thermoplastic elastomer (TPE) sieve plate, sieve plate ontology 1 selects Shao
Family name's hardness is the thermoplastic elastic material of 80A.
Optionally, in the another embodiment of this thermoplastic elastomer (TPE) sieve plate, sieve plate ontology 1 select shore hardness for
The thermoplastic elastic material of 90A.
Certainly, when above-mentioned thermoplastic elastic material is selected according to shore hardness, it can permit the error of ± 2A.
The invention also provides the preparation methods about above-mentioned thermoplastic elastomer (TPE) sieve plate, include the following steps:
A, sieve plate skeleton 2 is prepared using injection molding process integral type using engineering plastics and fiber as raw material；Wherein, engineering
Plastics include polyamide and/or acrylonitrile-butadiene-styrene copolymer and/or polyformaldehyde and/or polycarbonate；It is fine
Dimension includes glass fibre and/or carbon fiber；Therefore, sieve plate skeleton 2 is a kind of composite material being made of engineering plastics and fiber；
B, sieve plate skeleton 2 prepared by step A is placed in the mold (cavity plate) for being used to prepare thermoplastic elastomer (TPE) sieve plate, with
Thermoplastic elastic material is that raw material uses injection molding process, and thermoplastic elastic material and sieve plate skeleton 2 is made to form one
Structure obtains thermoplastic elastomer (TPE) sieve plate；Wherein, thermoplastic elastic material includes thermoplastic polyurethane elastomer rubber (TPU
Material) and/or nylon 12 (PA12 material) and/or TPR material and/or TPE material.
In step B, it is raw material using before injection molding process using thermoplastic elastic material, sieve plate skeleton 2 can be carried out
Heat treatment makes its surface portion or all fusing.If working condition meets, can also gone back after 2 injection molding of sieve plate skeleton
When completely not cooling, open mold and place it in the injection molding cavity plate of thermoplastic elastomer (TPE) sieve plate, then with thermoplastic elastomer (TPE) material
Material is that raw material carries out injection molding, to save the energy, shortens the production cycle, improves production efficiency.
By carrying out the pre-heat treatment to sieve plate skeleton 2, thermoplastic elastic material (i.e. sieve plate ontology 1) and sieve plate bone can be made
The combination of frame 2 is closer, forms one layer of adhesive film (layer) between 2 surface of sieve plate skeleton and thermoplastic elastic material, makes thermoplasticity
Elastomer sieve plate forms an entirety, realizes the close connection of sieve plate skeleton 2 and thermoplastic elastic material, to reach one
Change, ensure that the stability of entire thermoplastic elastomer (TPE) sieve plate.Since entire thermoplastic elastomer (TPE) sieve plate all uses mold to carry out
Injection molding process preparation, can effectively increase the integral strength and bearing capacity of thermoplastic elastomer (TPE) sieve plate.Sieve plate skeleton 2 and thermoplastic
Property elastomeric material closely connected in mould inside by physical change, avoiding outside environmental elements influences to guaranteeing
The precision of product.Thermoplastic elastomer (TPE) sieve plate uses single injection-molded, it can be ensured that the consistency of mesh passes through injection molding manner
Cost of labor can also be reduced and reduce bad product rate, compared to for existing perfusion production method, product quality is more preferable.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of compound sieve plate skeleton, is used for the support construction of sieve plate, which is characterized in that the sieve plate skeleton be include work
The composite material skeleton of engineering plastics and fiber.
2. compound sieve plate skeleton according to claim 1, which is characterized in that the engineering plastics include polyamide resin
One or more of rouge, acrylonitrile-butadiene-styrene copolymer, polyformaldehyde, polycarbonate；The fiber includes glass
Fiber and/or carbon fiber.
3. a kind of preparation method of compound sieve plate skeleton as claimed in claim 1 or 2, which is characterized in that with engineering plastics and
Fiber is that raw material uses injection molding process to prepare compound sieve plate skeleton.
4. a kind of thermoplastic elastomer (TPE) sieve plate, which is characterized in that including sieve plate ontology and sieve plate as claimed in claim 1 or 2
Skeleton；The sieve plate ontology is thermoplastic elastic material, and the sieve plate ontology is equipped with mesh；The sieve plate skeleton is located at institute
It states in sieve plate ontology.
5. thermoplastic elastomer (TPE) sieve plate according to claim 4, which is characterized in that the thermoplastic elastic material includes
One or more of thermoplastic polyurethane elastomer rubber, nylon 12, TPR material, TPE material；The engineering plastic
Material includes one or more of polyamide, acrylonitrile-butadiene-styrene copolymer, polyformaldehyde, polycarbonate；Institute
Stating fiber includes glass fibre and/or carbon fiber.
6. thermoplastic elastomer (TPE) sieve plate according to claim 4, which is characterized in that the sieve plate ontology is that shore hardness is
The thermoplastic elastic material of 65A~98A.
7. thermoplastic elastomer (TPE) sieve plate according to claim 4, which is characterized in that the sieve plate skeleton is set to including level
The intrinsic main grid structure of sieve plate and multiple support frames being connected to below the main grid structure vertically；The main grid structure with it is multiple described
Support frame is made of integral type；Sieve plate ontology front is flat surface；The sieve plate ontology back side is equipped with protruding bar, institute
Support frame is stated to be arranged in the protruding bar.
8. thermoplastic elastomer (TPE) sieve plate according to claim 4, which is characterized in that the sieve plate ontology and sieve plate skeleton
Intersection is not present in fusion temperature range.
9. a kind of preparation method of the thermoplastic elastomer (TPE) sieve plate as described in claim any one of 4-8, which is characterized in that including such as
Lower step:
A, sieve plate skeleton is prepared using injection molding process using engineering plastics and fiber as raw material；
B, sieve plate skeleton prepared by step A is placed in the mold for being used to prepare thermoplastic elastomer (TPE) sieve plate, with thermoplastic elastic
Body material is that raw material uses injection molding process, so that thermoplastic elastic material and sieve plate skeleton is formed integral structure, obtains heat
Thermoplastic elastic sieve plate.
10. the preparation method of thermoplastic elastomer (TPE) sieve plate according to claim 9, which is characterized in that in the step B,
It is raw material using before injection molding process using thermoplastic elastic material, sieve plate skeleton is heated, its surface element is made
Divide or all melts.
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Application publication date: 20190405 |