CN107253309A - A kind of GSZ crossbar contact overlap joint injection coating unit and production method - Google Patents

A kind of GSZ crossbar contact overlap joint injection coating unit and production method Download PDF

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Publication number
CN107253309A
CN107253309A CN201710443651.1A CN201710443651A CN107253309A CN 107253309 A CN107253309 A CN 107253309A CN 201710443651 A CN201710443651 A CN 201710443651A CN 107253309 A CN107253309 A CN 107253309A
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China
Prior art keywords
band
module
injection
cope plate
gsz
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Granted
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CN201710443651.1A
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Chinese (zh)
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CN107253309B (en
Inventor
陆诗德
梁训美
王继法
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Shandong Runde Composite Materials Co Ltd
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Shandong Runde Composite Materials Co Ltd
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Priority to CN201710443651.1A priority Critical patent/CN107253309B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/32Moulds having several axially spaced mould cavities, i.e. for making several separated articles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/005Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0084Geogrids

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of GSZ crossbar contact overlap joint injection coating unit and production method, it is characterised in thatIncluding cope plate and lower template, the upper module and lower module of depression are set on the relative end face of upper and lower template respectively, crosspoint of the module just with band is corresponding up and down, and the depressed area of module is more than the crosspoint of bar with groove up and downAfter strip filling groove, filling space is correspondingly formed between upper and lower module and bandWherein cope plate or lower template are provided with injection port, and the corresponding end face of module is provided with runner up and down, and runner direction simultaneously connects above-mentioned filling spaceInwardly inject to form cladding node by injection orifice, compared with prior art, have the advantages that production effect is high, cost is low, intensity is big.

Description

A kind of GSZ crossbar contact overlap joint injection coating unit and production method
This number of applying for a patent " 2014108371300 ", a kind of invention and created name " GSZ crossbar contact overlap joint injection Coating unit and production method ", the divisional application of the applying date " 2014-12-30 ".
Technical field
[1] the present invention relates to a kind of GSZ crossbar contact of Geotechnical Engineering construction field one overlap joint injection coating unit And production method.
Background technology
[2] GSZ be mainly used in highway, railway, airport construction, harbour, fill in the sea to grow grain, water conservancy dykes and dams isolith Among geotechnological journey, make after roadbed backfill reinforcement, globality is stronger, sinking and displacement not easy to crack, it is ensured that construction quality and Safety, is one of current preferred new geotechnological building materials, is that there is provided sound assurance for project of vital and lasting importance engineering.
[3] the preparation method species currently used for the reinforcement material of Geotechnical Engineering is various, and it uses mechanical property feature, fits Answer environment each variant, Plastic mainly has three class:
1) plastic tensile classSuch as unidirectional, biaxial tension Plastics Geogrids, such product is generally based on polyethylene or polypropylene Raw material is wanted, then adds various auxiliary agents, sheet material is extruded into by screw extruder, sheet material is punched out through forcing press, then is carried out Preheating longitudinal stretching, cross directional stretch are formed.The production method equipment investment is huge, and equipment is huge, and production product cost is high, stretching Low intensity, every meter is prolonged tensile strength for 50kN.
2) plastics weldbonding classSuch as drawn polyester band weldbonding grid, polypropylene tension belt weldbonding grid, steel and plastic composite material Grid etc., such product is, first with extruder and composite machine head by after plastics and composite co-extrusion, to be drawn into one fixed width After band, then longitudinally, laterally it is overlapped to form at rectangular lattice structure, node and is welded (weldbonding by ultrasonic welding machine again)And Into.The product after weld formation, easily damages original tensile strength of band, the combination stripping of its vertical, horizontal band cross weld point From low intensity, pad easily comes off in construction and transportation.
Technology disclosed in current patent, is not involved with the specific forming method of injection molding, and efficiency is low, low intensity, The defects such as cost height.
The content of the invention
In order to overcome current deficiency, the invention provides a kind of GSZ crossbar contact overlap joint injection coating unit and life Production method, compared with prior art, has the advantages that production effect is high, cost is low, intensity is big.
To achieve the above objectives, the technical solution adopted in the present invention is:
A kind of crossbar contact overlap joint injection clad type GSZ, it is characterised in thatInclude the band of at least two different directions, Crosspoint is intersected to form between band, band is in crosspoint outer cladding provided with injection cladding node;Injection cladding node is injection Formula one clad structure, the wrapped position at least corner including crosspoint, the front and back position in crosspoint.
It is preferred that, described band is lateral straps and longitudinal band.
It is preferred that, it is provided with shrinkage pool before and after described injection cladding node.
It is preferred that, described band for polypropylene tension belt, drawn polyester band, composite steel-plastic belt, glass plastic composite strip extremely Few one kindStrip face has rhombus rolling flower.
- kind of GSZ crossbar contact overlap joint injection coating unit, including cope plate and lower template, upper and lower template phase To end face on set the upper module and lower module of depression respectively, crosspoint of the module just with band is corresponding up and down, and up and down The depressed area of module is more than the crosspoint of bar with grooveAfter strip filling groove, it is correspondingly formed between upper and lower module and band Filling spaceWherein cope plate or lower template are provided with injection port, and the corresponding end face of module is provided with runner, runner court up and down To and connect above-mentioned filling spaceCope plate, lower template are provided with the groove that band is accommodated along being used for through upper and lower module.
It is preferred that, the projection up and down perpendicular to bolster is respectively equipped with the middle part of module up and down, projection is towards right up and down Should.
It is preferred that, corresponding guider is provided between described bolster.
It is preferred that, up and down module for square structure, the corner of square module is provided with the secondary recess stretched out, described Secondary recess periphery be in circular shape, and with direction module it is round and smooth excessively.
It is preferred that, described module up and down is embedded on bolster.
The production method of crossbar contact overlap joint injection clad type GSZ,
From unlike material into wire rod band, how many bar longitudinally oriented strip on the wide product of view picture is determined according to mesh size size Band, cope plate is imported by longitudinal band, there is several templates on view picture is wide, is entered after whole longitudinal bands after cope plate Trailer system;
Lower template is imported simultaneously with two bands, on view picture is wide, there are several lower templates corresponding with cope plate;
By all cope plate transfixions, and whole lower templates realize three actions, rise matched moulds, pressurize, decline die sinking;Closing During mould, after longitudinal band, lateral straps juxtaposition, with the raised cylinder in upper module, lower module longitudinal direction Band is tightly seamless to face pressure is closed with lateral straps;
After the completion of matched moulds, hermetic type cavity is formd, is got ready for injection, on several during injection in whole breadth Lower mould;Each closed die cavity is entered by respective injection port, runner simultaneously, passes through time several seconds cooling and shaping after filling Afterwards, you can die sinking, die sinking rear haulage system backward involves longitudinal band, involves times that step pitch is lateral straps spacing distance, First do action is thus completed, is gone round and begun again ..., metering winding completes the production of " umbo point GSZ ".
The operation principle and beneficial effect of the present invention is shown:
The present invention is supplied to a kind of new process units and method, by setting bolster and the setting pair in template The module up and down answered, it is corresponding with the crosspoint of band and form sealed filling space by module up and down, by this space Interior injection is so as to fulfil assignment.The creation point of the present invention is that the structure type in this crosspoint, and of the invention uses injection The structure of formula, fusion that can be integrated with band progress, and can crosspoint surroundingCorner and front and rear formation are whole The structure of body, substantially increases the intensity in crosspoint.
To sum up, the present invention has advantages below:
1st, efficiency high:
Because GSZ is with one fixed width(4m 6m) and length(30m 50m) coiled latticed construction material Material, can be used in building site large area, if produced using prior art, much can not meet a large amount of uses.And invention Using in full width(4m 6m) on simultaneously inject complete two lateral straps, once complete cladding crossbar contact be up to 86;
2nd, cost is low:
From the shape analysis of injection cladding point, the technology that all material volumes are much larger than present patent application is injected;
3rd, node peeling force is high, survivable;
4th, the node peeling force formed by welding is low, and pad easily comes off in construction and transportation.The present invention is used Multistation injecting molding die, and the design of upper and lower module quick-replaceable, realize rapidly and efficiently, it is cost-effective, and Substantially increase the peeling force of cladding node;
5th, by setting four arc structures in the corner of module, so at injection cladding node, four arc-shapeds of formation Binding site, enhances the peeling force between longitudinal band and lateral straps;
The 6th, projection is set in module, longitudinal band and lateral straps positioning compression, is easy to injection;So in injection cladding Node is correspondingly formed shrinkage pool, reduces injection consumption herein, so that cost is reduced, while shrinkage pool is also increased and reinforcement " the interlocking power " of soil;
7th, cope plate, lower template use tessellated forms mode, different according to strip width, thickness, it is possible to achieve quick-replaceable, So as to substantial saving in Making mold expense.
Brief description of the drawings
Fig. 1:Lower template structural representation;
Fig. 2 is lower module schematic diagram;
Fig. 3 is Fig. 2 A-A views;
Fig. 4 is Fig. 2 CC views;
Fig. 5 is cope plate schematic diagram;
Fig. 6 is upper module schematic diagram;
Fig. 7 is Fig. 6 BB views;
Fig. 8 is GSZ product structure schematic diagram;
Fig. 9 is this geotechnological grid product dimensional structure diagram.
Embodiment
The correlation technique content do not addressed below can use or use for reference prior art.
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation Example only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to the application protection Scope.
As illustrated, a kind of GSZ crossbar contact overlap joint injection coating unit, including cope plate 1 and lower template 2.
Set respectively on the relative end face of upper and lower template on the upper module 11 and lower module 12 of depression, such as cope plate 1 Provided with four upper modules, four lower modules are located in corresponding lower template.
Upper module, lower module can be fixed in cope plate or lower template by the way of inlaying.
Cope plate 1, lower template 2 are provided with along being used for through upper and lower module and accommodate the groove 3 of band, and module is just up and down Crosspoint with band is corresponding, and the depressed area of module is more than the crosspoint of bar with groove up and down.
3 after strip filling groove, filling space is correspondingly formed between upper and lower module and bandWherein cope plate or Lower template is provided with injection port 6, and the corresponding end face of module is provided with runner 7 up and down, runner 7 towards and connect above-mentioned filling Space.
It is respectively equipped with up and down in the middle part of module perpendicular to projection 4 up and down of bolster, projection direction is corresponding up and downInstitute Corresponding guider 5 is provided between the bolster stated.
Up and down module for square structure, the corner of square module is provided with the secondary recess stretched out, described auxiliary The periphery of depression is in circular shape, and round and smooth excessively with direction module.
Cope plate has injection port 6 to be connected with Channels, and cope plate is fixed.
Lower template 2 is communicated with 4 die cavities inlayed in module respectively provided with runner, after matched moulds, inlays module sequence number phase Correspondence, and have corresponding guiding mechanismLower template 2 can be moved up and down, and mould assembling action is opened in realization.
1st, the groove width for being used to accommodate band in module is B, and beam thickness is equal to h, and strip width is equal to b, B >=b.
2nd, injection cladding node, there is 4 R fillets, and has shrinkage pool in the middle of top and bottom, and injection cladding node 8 has certain thick Degree=beam thickness bX2+ (2 3mm) X2.
The production method of crossbar contact overlap joint injection clad type GSZ,
1st, produce the band of unlike material first, band used be with one fixed width and thickness into coil around material. Such as:Strip width 17mm, thickness 2mm, often disk length 100m.Band can be divided into following several, and belt surface, which has, to be set as needed Put rhombus rolling decorative pattern:
1) polypropylene(PP) tension belt:
After plastic extruder extrusion cooling and shaping, heated stretching, embossing, traction, closing quotation are formed;Band intensity can reach ≥300MPa;
2) polyester(PET) tension belt:
After plastic extruder extrusion cooling and shaping blank, heated roller multi-pass stretching, embossing, traction, closing quotation are formed;Band Intensity is reachable >=400MPa;
3) steel plastic band:
Plastic extruder co-extruding machine head is passed through by carbon spring steel wires, using high density polyethylene (HDPE)(HDPE) plastic overmold stretching, Embossing, traction, closing quotation are formed;Band intensity is reachable >=1000MPa;
4) glass modeling band:
1st, plastic extruder co-extruding machine head is passed through by glass fiber yarn, using high density polyethylene (HDPE)(HDPE) plastic overmold stretching, Embossing, traction, closing quotation are formed;Band intensity is reachable >=400MPa;
2nd, from unlike material into wire rod band(Bar bandwidth b, it is thick h) to be placed on special equipment, it is true according to mesh size size How many bar longitudinal band on the wide product of view picture is scheduled on, longitudinal band is imported into cope plate(Fig. 2), in the wide (4m of view picture There are several templates on 6m), enter trailer system after cope plate after whole longitudinal bands;
3rd, lower template is imported simultaneously with two bands, it is wide in view picture(4m 6m) on, there are several lower templates relative with cope plate Should;
4th, all cope plates are actionless, and whole lower templates realize three actions, matched moulds, pressurize, die sinking;In matched moulds During, after longitudinal band, lateral straps juxtaposition, with cylinder raised 0 d in upper module, lower module vertical It is tightly seamless to face pressure is closed with lateral straps to band;
5th, after the completion of matched moulds, hermetic type cavity is formd, is got ready for injection, it is some in whole breadth during injection Individual upper and lower mould.Each closed die cavity is entered by respective injection port, runner simultaneously, cooled down after filling by time several seconds After sizing, you can die sinking, die sinking rear haulage system backward involves longitudinal band, and it is lateral straps spacing distance to involve step pitch Times, thus first do action is completed, go round and begin again ..., metering winding completes the production of " umbo point GSZ ". (compared with commonly welding grid, node peeling force can reach 1000N to umbo point GSZ, and because of node protrusion, therefore it is " convex to gain the name Node GSZ ".
Crossbar contact overlap joint injection clad type GSZ, including at least two different directions can be prepared with above method Band, square crosspoint is intersected to form between band, band is in crosspoint outer cladding provided with injection cladding node.
Using lateral straps and longitudinal band formation rectangular unit grid, the summit of rectangular unit grid is crosspoint, and band exists Crosspoint outer cladding is provided with injection cladding node(Certainly the band in other directions can not be excluded, as long as module does corresponding change ).
It is the integral clad structure of injecting type that the injection prepared by above method, which coats node, and wrapped position includes crosspoint Corner circle excessively, the front and back position in crosspoint;And it is provided with shrinkage pool before and after injection cladding node.
Described above is only the preferred embodiment of the application, is made skilled artisans appreciate that or realizing this Shen Please.A variety of modifications to these embodiments will be apparent to one skilled in the art, as defined herein General Principle can in other embodiments be realized in the case where not departing from spirit herein or scope.Therefore, the application The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (1)

1. the production method of crossbar contact overlap joint injection clad type GSZ, it is characterised in that:
From unlike material into wire rod band, how many bar longitudinally oriented strip on the wide product of view picture is determined according to mesh size size Band, cope plate is imported by longitudinal band, there is several templates on view picture is wide, is entered after whole longitudinal bands after cope plate Trailer system;
Lower template is imported simultaneously with two bands, on view picture is wide, there are several lower templates corresponding with cope plate;
By all cope plate transfixions, and whole lower templates realize three actions, rise matched moulds, pressurize, decline die sinking;Closing During mould, after longitudinal band, lateral straps juxtaposition, with the raised cylinder in upper module, lower module longitudinal direction Band is tightly seamless to face pressure is closed with lateral straps;
After the completion of matched moulds, hermetic type cavity is formd, is got ready for injection, on several during injection in whole breadth Lower mould;Each closed die cavity is entered by respective injection port, runner simultaneously, passes through time several seconds cooling and shaping after filling Afterwards, you can die sinking, die sinking rear haulage system backward involves longitudinal band, involves times that step pitch is lateral straps spacing distance, First do action is thus completed, is gone round and begun again ..., metering winding completes the production of " umbo point GSZ ".
CN201710443651.1A 2014-12-30 2014-12-30 A kind of TGXG crossbar contact overlap joint injection molding coating unit and production method Active CN107253309B (en)

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CN201410837130.0A CN104594324B (en) 2014-12-30 2014-12-30 A kind of GSZ crossbar contact overlap joint injection coating unit
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CN114131851A (en) * 2021-11-11 2022-03-04 成都路宝工程材料有限公司 Mould for geogrid with folding nodes

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CN106049400B (en) * 2016-06-22 2017-11-21 安徽徽风新型合成材料有限公司 A kind of GSZ laying pressing device
WO2019001277A1 (en) * 2017-06-27 2019-01-03 张曼 Geogrid and manufacturing method thereof
JP6949211B2 (en) * 2017-06-27 2021-10-13 マン ジャン Geocell and its manufacturing method
CN107553816A (en) * 2017-08-04 2018-01-09 青岛德利通精密机械有限公司 A kind of cabinet mouth corner die and cabinet mouth forming method
CN113977963B (en) * 2021-12-02 2022-11-29 山东润德复合材料有限公司 Welding device based on geogrid
CN114633443B (en) * 2022-03-11 2024-05-24 重庆平伟汽车零部件有限公司 Optimization method of injection molding process of complex diamond-shaped grating
CN114559599A (en) * 2022-04-07 2022-05-31 成都路宝工程材料有限公司 Geogrid of hot extrusion and cold pressing process and forming method
CN117734111A (en) * 2023-12-05 2024-03-22 德盛合成材料有限公司 Injection molding mechanism for processing of injection molding node geogrid

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Denomination of invention: Lap joint, injection molding and coating device for geogrid cross nodal points and production method

Effective date of registration: 20200514

Granted publication date: 20181030

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