CN101942888B

CN101942888B - Plastic stretched rhombic netlike structural material and manufacturing method thereof

Info

Publication number: CN101942888B
Application number: CN2010102639384A
Authority: CN
Inventors: 范雯丽
Original assignee: 范雯丽
Current assignee: Feicheng Lianyi Engineering Plastics Co.,Ltd.
Priority date: 2010-08-24
Filing date: 2010-08-24
Publication date: 2012-06-27
Anticipated expiration: 2030-08-24
Also published as: CN101942888A

Abstract

The invention discloses a plastic stretched rhombic netlike structural material and a manufacturing method thereof. The netlike structural material comprises a plurality of nodes among which reinforcement strips are arranged and is characterized in that: each node is connected with three or six reinforcement strips, so that the reinforcement strips between four adjacent nodes and the node are connected to form a rhombic unit hole; a grid structure consists of a plurality of rhombic unit holes; and adjacent sides of two adjacent rhombic units are coincided with each other. The manufacturing method comprises the following steps of: manufacturing a hole unit on a plastic plate, wherein the hole unit comprises eight holes formed in a rhombic form; four holes are formed at the vertexs of a rhombus and the other four holes are formed on four sides of the rhombus respectively; each vertex of the rhombus is coincided with four rhombus vertexes; and adjacent sides of adjacent hole units are coincided with each other; and longitudinally and transversely stretching the plastic plate. The material has the advantages of bearing loads in a plurality of directions at the same time, lowering the tearing and damaging rates of the node, improving overall structural intensity and making a stressed state more reasonable.

Description

A kind of plastic tensile diamond-mesh structural meterials and manufacturing approach thereof

One: technical field

The present invention relates to a kind of multidirectional stressed plastic tensile grate, especially a kind of diamond-mesh structural meterials and manufacturing approach thereof, it is used for civil engineering and perhaps is used for construction work as protection and isolated material as the reinforcement reinforcement material.

Two: background technology

The plastic tensile mesh material has the multiple mode of production, and the employing plastic strip that has is welded into groined type or square or rectangular configuration, but its joint strength is difficult to satisfy construction requirement, does not often have the reinforcement reinforcement effect; Employing polyester fiber that has or glass fiber are through being woven into groined type or rectangular configuration; Then in the structure of its surface-coated organic protection layer; The joint strength of this structure also is difficult to satisfy the needs of engineering to intensity, especially is difficult to play integrally stiffened effect; The employing plastic plate that has is through going out the hole of the whole square or rectangle of arranging; The shape in its hole can be a various ways; Like circle, ellipse, Long Circle, square, rectangle etc.; Through vertically, laterally progressively stretching or synchro-draw; Thereby obtain the mesh material of groined type or square, rectangular opening shape, the grid that this structural meterials forms compared with above-mentioned welding, braiding aspect supporting capacity has had good integrity, effect that node strength is high, has satisfied the requirement of engineering to bulk strength greatly.

But; Find that in practical applications actual loading often is not that vertical, horizontal is exerted pressure, and above-mentioned said all kinds of structural meterialss often can only provide the reinforcement and the support of longitudinal and transverse two directions; Will show great weakness for the support that comes from oblique load; They must be used for through the right angle shearing resistance of node transmitting and disperseing load, so node also is easy to destroyed.

Three: summary of the invention

For solving the problems of the technologies described above, the present invention provides a kind of plastic tensile diamond-mesh structural meterials and manufacturing approach thereof, and it can carry vertically, horizontal, oblique loading, and node is difficult for by tear failure, and stress is more reasonable.

For achieving the above object, the technical scheme that the utility model adopted is following:

A kind of plastic tensile diamond-mesh structural meterials comprises a plurality of nodes, is provided with the muscle band between node and the node; Each node connects three or six muscle bands; Make four adjacent nodes and the muscle band between this node be connected to form the diamond-shaped element hole, the acute angle summit in said diamond-shaped element hole connects six muscle bands, and the summit, obtuse angle in diamond-shaped element hole connects three muscle bands; Composition is extended in the radiation of a plurality of for this reason diamond-shaped element of described net structure hole, and adjacent two diamond-shaped element hole adjacent sides overlap.

A kind of manufacturing approach of making above-mentioned material, it is made up of following steps:

A, on plastic plate, go out or the extrusion cavities array; Described hole array is arranged by some holes unit rules and is formed; Unit, said hole comprises eight holes that assume diamond in shape and arrange, and wherein has four holes to be positioned at the summit of rhombus, and four holes lay respectively on four limits of rhombus in addition; Each summit of rhombus overlaps has four rhombus summits, adjacent holes unit adjacent side overlaps.

B, with above-mentioned plastic plate carry out vertically, cross directional stretch.

Above-mentioned manufacturing approach, the said hole that is positioned on the diamond hole element sides is positioned at the centre position on limit.

Multiplying powers such as above-mentioned manufacturing approach, described transverse and longitudinal are stretched as stretch.

Above-mentioned manufacturing approach, described transverse and longitudinal are stretched as synchro-draw simultaneously.

This plastic tensile diamond-mesh structure is stretched by transverse and longitudinal by plastic plate and forms; The total once-forming, non-welding or braiding form, and this net structure is made up of the diamond-shaped element hole of rule; Rhombus acute angle summit connects six muscle bands, the summit, obtuse angle connects three muscle bands; The cross arrangement of diamond-shaped element hole can be good at carrying vertical, horizontal, oblique stress, and node is difficult for being destroyed.

Four: description of drawings

Fig. 1 is the structural representation of mesh material embodiment one according to the invention;

Fig. 2 is the structural representation of mesh material embodiment two according to the invention

Fig. 3 is the hole array structure sketch map of embodiment one;

Fig. 4 is the hole array structure sketch map of embodiment two.

Five: the specific embodiment:

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail:

Like Fig. 1, shown in 2, a kind of plastic tensile diamond-mesh structural meterials comprises a plurality of nodes, is provided with the muscle band between the node, and each node connects three or six muscle bands, makes four adjacent nodes and the muscle band between this node be connected to form the diamond-shaped element hole; Nearly 60 degree of the acute angle in said diamond-shaped element hole, its summit connects six muscle bands, nearly 120 degree in the obtuse angle of diamond-shaped element, its summit connects three muscle bands, and a plurality of for this reason diamond-shaped element of this network hole is formed, and adjacent two diamond-shaped element adjacent sides overlap.

A kind of method of making above-mentioned diamond-mesh structural meterials comprises following steps:

1, in certain thickness plastic plate extruded hole or punching; Wherein the thickness of sheet material generally is not less than 1mm, but is not more than 20mm, and the hole on the sheet material forms the hole array of rule; Described hole array is made up of some holes unit rules again; Its concrete structure such as Fig. 3 or shown in Figure 4, unit, said hole comprises eight holes that assume diamond in shape and arrange, it is the summit of rhombus that four holes are arranged in these eight holes; Other four holes lay respectively at the center position on four limits of rhombus, and each summit of rhombus overlaps has four rhombus summits, adjacent holes unit adjacent side overlaps; Wherein Fig. 3 or Fig. 4 are respectively the long-diagonal and the parallel or vertical stratification in the long limit of plastic plate of diamond hole unit.

The aperture in said each hole all is identical, aperture 1-50mm, the pitch of holes of per two nearer adjacent holes be equate or be close to equate, the pitch of holes between its any adjacent and nearer two holes be the aperture 0.1-30 doubly; Four identical holes are being symmetrically distributed around each hole.

2, stretch: the plastic plate that will above-mentionedly have a hole array through vertically, laterally progressively stretch perhaps portraitlandscape while synchro-draw.In the drawing process, the material of the weakened area that forms between the adjacent holes is stretched; And in the diamond hole unit acute angle summit and and its rhombus limit, place on the delta-shaped region that forms of two holes and the part material that remains the relative stiffened region that forms between six holes can only partly be stretched; Form two kinds of nodes of size at last, have a kind of novel mesh material that is different from now existing plastic tensile structural meterials thereby form.

Described stretching can be that multiplying power such as strict stretches; Also can look the material difference and different according to stretching ratio, polypropylene is generally at 3.0-10 times, and polyvinyl generally at 2-8 doubly; But the stretching ratio of both direction should basically identical; Stretching ratio on the direction that perhaps at first stretches is bigger, carry out other direction when stretching because of lax resilience is to a certain degree arranged, thereby formation is like Fig. 1 or the cited integral network structure material with diamond shaped of Fig. 2.

This kind diamond-mesh structural meterials can more effective dispersion load than conventional plastic stretching structure material, because diamond structure can bear the load from all directions, is the shape of occurring in nature honeycomb top structure, also is one of Rational structure of generally acknowledging.

Specific embodiment one

According to the said method of this patent; Go out or extrude in the hole array as shown in Figure 3, the adjacent holes spacing is 8mm, aperture 4mm; This sheet material forms integral network structure material as shown in Figure 1 respectively, that have diamond structure through after vertically, laterally waiting the multiplying power stretching one by one.

Specific embodiment two

According to the said method of this patent; Go out or extrude in the hole array as shown in Figure 4, the adjacent holes spacing is pitch of holes 10mm, aperture 5mm; This sheet material forms integral network structure material as shown in Figure 2 respectively, that have diamond structure through after vertically, laterally multiplying power such as synchronous stretches.

According to foregoing description, the sheet material of the described hole of this patent array through vertically, the diamond-mesh structural meterials that forms of cross directional stretch the difference to some extent because stretching ratio of vertical and horizontal is different; For example, the hole is designed to hexagon or other possible shapes, for the array of certain pore size, the pitch of holes of vertical and horizontal changes, and also can correspondingly influence the net shape of mesh material.So the described diamond-mesh structural meterials of this patent includes but not limited to hole array that this patent is illustrated and the plastic tensile diamond-mesh structural meterials that produces with the method.

Claims

1. plastic tensile diamond-mesh structural meterials; Comprise a plurality of nodes; Be provided with the muscle band between node and the node, it is characterized in that: each node connects three or six muscle bands, makes four adjacent nodes and the muscle band between this node be connected to form the diamond-shaped element hole; The acute angle summit in said diamond-shaped element hole connects six muscle bands; The summit, obtuse angle in diamond-shaped element hole connects three muscle bands, and composition is extended in the radiation of a plurality of for this reason diamond-shaped element of described net structure hole, and adjacent two diamond-shaped element hole adjacent sides overlap.

2. manufacturing approach of making the said material of claim 1 is characterized in that:

A, on plastic plate, go out or the extrusion cavities array; Described hole array is arranged by some holes unit rules and is formed; Unit, said hole comprises eight holes that assume diamond in shape and arrange, and has four holes to be positioned at the summit of rhombus in eight holes, and four holes lay respectively on four limits of rhombus in addition; Each summit of rhombus overlaps has four rhombus summits, adjacent holes unit adjacent side overlaps;

B, with above-mentioned plastic plate carry out vertically, cross directional stretch;

The said hole that is positioned on the diamond hole element sides is positioned at the centre position on rhombus limit.

3. manufacturing approach according to claim 2 is characterized in that: described transverse and longitudinal multiplying power such as is stretched as and stretches.

4. according to claim 2 or 3 described manufacturing approaches, it is characterized in that: described transverse and longitudinal is stretched as synchro-draw simultaneously.