CN209393543U - Thermoplastic elastomer (TPE) sieve plate - Google Patents

Abstract

The utility model discloses thermoplastic elastomer (TPE) sieve plates, including the sieve plate ontology that thermoplastic elastic material makes, are provided with mesh screen framework in the sieve plate ontology；The material of the sieve plate skeleton is composite material made of engineering plastics and fiber composite, and the sieve plate ontology is equipped with mesh.Using composite material skeleton as sieve plate skeleton, replace conventional metals skeleton structure, significantly reduce product itself weight, reduces transportation cost, while thermoplastic elastomer (TPE) sieve plate integrally has enough intensity and resilience；For metallic framework, the sieve plate skeleton of the utility model connects closer with sieve plate ontology, will not separate peeling, extend service life.Sieve plate skeleton and sieve plate ontology are all recyclable material, and recycling is convenient, and can be reduced environmental pollution by degradation, and environmental protection is conducive to.

Description

Thermoplastic elastomer (TPE) sieve plate

Technical field

The utility model relates to sieve plate technical fields, more particularly to a kind of thermoplastic elastomer (TPE) sieve plate.

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 by It is to chemically react in using the polyurethane sieve plate that production technology production is perfused, the physical property of raw material and existing state Have occurred and that radical change, therefore existing sieve plate can not be recycled by the physical technology of melting method, produced and used into This is all higher.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of thermoplastic elastomer (TPE) sieve plate is gone out, including the sieve plate ontology that thermoplastic elastic material makes, has been set in the sieve plate ontology It is equipped with mesh screen framework；The material of the sieve plate skeleton is composite material made of engineering plastics and fiber composite, the sieve Plate ontology is equipped with mesh.

Further, the thermoplastic elastic material includes acyl in thermoplastic polyurethane elastomer rubber and/or poly- 12 Amine and/or TPR material and/or TPE material；The engineering plastics include polyamide and/or acrylonitrile-butadiene-benzene second Alkene copolymer and/or polyformaldehyde and/or polycarbonate；The fiber includes glass fibre and/or carbon fiber.

Further, the sieve plate ontology and the sieve plate skeleton are the integral structure of injection molding.

Further, the sieve plate ontology is Nian Jie by adhesive with the sieve plate skeleton.

Further, intersection is not present in the fusion temperature range of the sieve plate ontology and sieve plate skeleton.

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.

Further, the main grid structure is made with multiple support frames as described above of integral type.

Further, sieve plate ontology front is flat surface；The sieve plate ontology back side is equipped with protruding bar, the branch Support is arranged in the protruding bar.

Further, the sieve plate ontology is divided into multiple sieve sections by the protruding bar.

Due to being provided with sieve plate skeleton in sieve plate ontology, make the thermoplastic elastomer (TPE) sieve plate bearing capacity of the utility model more It is good, longer life expectancy；Since the sieve plate ontology back side is provided with protruding bar, vertical support frame is provided in protruding bar, it can be into The bearing strength of one step enhancing thermoplastic elastomer (TPE) sieve plate.Using composite material skeleton as the utility model thermoplastic elastomer (TPE) The sieve plate skeleton of sieve plate replaces conventional metals skeleton structure, significantly reduces product itself weight, reduces transportation cost, simultaneously Thermoplastic elastomer (TPE) sieve plate integrally has enough intensity and resilience；For metallic framework, the sieve plate of the utility model Skeleton connects closer with sieve plate ontology, will not separate peeling, extend service life.Sieve plate skeleton and sieve plate ontology are all can The material recycled, and can be reduced environmental pollution by degradation, be conducive to environmental protection.Utilize sieve plate ontology and sieve plate skeleton The otherness of fusing point, convenient for thermoplastic elastomer (TPE) sieve plate recycling when separation and cycling and reutilization, greatly reduce production cost and Use cost has good economic benefit.

Detailed description of the invention

Fig. 1 is the positive structure schematic of the utility model thermoplastic elastomer (TPE) sieve plate；

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 of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical Novel limitation.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set It sets, or is integrally connected, is arranged.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition Concrete meaning in the utility model.

The utility model proposes a kind of compound sieve plate skeletons (to be also referred to as sieve plate skeleton, i.e. " compound sieve plate bone below Frame " and " sieve plate skeleton " are equivalent in meaning), be used for the support construction of sieve plate, sieve plate skeleton be include engineering plastics and fiber Composite material skeleton.Engineering plastics include polyamide, acrylonitrile-butadiene-styrene copolymer, polyformaldehyde, poly- carbonic acid One or more of ester；Fiber includes glass fibre and/or carbon fiber.Pass through the sieve plate bone being made of engineering plastics and fiber Support construction of the frame as sieve plate, substitutes original metallic framework, can mitigate sieve plate weight and production cost significantly, and material is recyclable It utilizes, and can realize that degradation reduces pollution environmental benefits protection environment；For original metallic framework, the sieve of the utility model It is rigid and impact-resistant that there is framework enough intensity and resilience to meet the carrying needed in severe use environment operating condition Resilience extends the service life of sieve plate.

Preparation method for above-mentioned sieve plate skeleton is to use injection molding process system using engineering plastics and fiber as raw material Standby compound sieve plate skeleton.I.e. above-mentioned sieve plate skeleton is prepared using injection molding process.The sieve prepared by injection molding process The composite material of framework, sieve plate skeleton does not chemically react, and convenient for the recycling and reusing of sieve plate skeleton, reduces use cost And production cost.

As shown in Figure 1, 2, the utility model proposes a kind of thermoplastic elastomer (TPE) sieve plates, including sieve plate ontology 1 and sieve plate Skeleton 2；Sieve plate ontology 1 is thermoplastic elastic material, and sieve plate ontology 1 is equipped with mesh 3；Sieve plate skeleton 2 is located at sieve plate ontology 1 Interior, sieve plate skeleton 2 is criss-cross reticular structure, is combined by engineering plastics and fiber through integral type.

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 The thermoplastic elastic material for being 65A~98A for shore hardness.

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 again and produce to obtain the thermoplastic elastomer (TPE) sieve plate of the utility model, for traditional sieve plate, Production cost is greatly reduced, customer using cost or purchase cost are also reduced.

1 front of sieve plate ontology is flat surface, higher in order to have the thermoplastic elastomer (TPE) sieve plate of the utility model Intensity and resilience, sieve plate skeleton 2 include the horizontal main grid structure being set in sieve plate ontology 1 and multiple are connected to the major network vertically Support frame below frame, main grid structure are mesh skeleton criss-cross in horizontal plane, and main grid structure and multiple support frames are integral type It is made；1 back side of sieve plate ontology is equipped with protruding bar 4, and support frame as described above is arranged in the protruding bar, each protruding bar 4 Multiple support frames are equipped with, sieve plate ontology 1 is divided into multiple sieve sections by protruding bar 4, in order to meet returning for sieve plate ontology 1 Elasticity, multiple support frames on protruding bar 4 use spaced apart mode.

Sieve plate skeleton 2 using the skeleton of composite material preparation as the utility model thermoplastic elastomer (TPE) sieve plate, replaces Conventional metals skeleton structure significantly reduces product itself weight, reduces transportation cost, while thermoplastic elastomer (TPE) sieve plate is whole Have enough intensity and resilience, sieve plate skeleton 2 and sieve plate ontology 1 are completely embedded, will not separate peeling, extend using the longevity Life.Sieve plate skeleton 2 and sieve plate ontology 1 are all Ke Xunhuanliyong material, and can be reduced environmental pollution by degradation, and ring is conducive to Border 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 preparation method of above-mentioned thermoplastic elastomer (TPE) sieve plate, includes 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.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (7)

1. a kind of thermoplastic elastomer (TPE) sieve plate, which is characterized in that the sieve plate ontology including thermoplastic elastic material production, it is described Mesh screen framework is provided in sieve plate ontology；The material of the sieve plate skeleton be engineering plastics with it is compound made of fiber composite Material, the sieve plate ontology are equipped with mesh.

2. thermoplastic elastomer (TPE) sieve plate according to claim 1, which is characterized in that the sieve plate ontology and the sieve plate bone Frame is the integral structure of injection molding.

3. thermoplastic elastomer (TPE) sieve plate according to claim 1, which is characterized in that the sieve plate ontology and the sieve plate bone Frame is bonded by adhesive.

4. thermoplastic elastomer (TPE) sieve plate according to claim 1, 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.

5. thermoplastic elastomer (TPE) sieve plate according to claim 4, which is characterized in that the main grid structure and multiple supports Frame is made of integral type.

6. thermoplastic elastomer (TPE) sieve plate according to claim 4, which is characterized in that sieve plate ontology front is smooth flat Face；The sieve plate ontology back side is equipped with protruding bar, and support frame as described above is arranged in the protruding bar.

7. thermoplastic elastomer (TPE) sieve plate according to claim 6, which is characterized in that the protruding bar is by the sieve plate sheet Body is divided into multiple sieve sections.