CN107253309B - A kind of TGXG crossbar contact overlap joint injection molding coating unit and production method - Google Patents

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

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Publication number
CN107253309B
CN107253309B CN201710443651.1A CN201710443651A CN107253309B CN 107253309 B CN107253309 B CN 107253309B CN 201710443651 A CN201710443651 A CN 201710443651A CN 107253309 B CN107253309 B CN 107253309B
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Prior art keywords
module
band
cope plate
lateral straps
crosspoint
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CN107253309A (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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    • 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)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of TGXG crossbar contacts to overlap injection molding coating unit and production method, it is characterised in thatIncluding cope plate and lower template, the upper module and lower module of recess are set on the opposite end face of upper and lower template respectively, upper and lower module is just corresponding with the crosspoint of band, and the depressed area of module is more than the crosspoint of a 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 is equipped with injection port, and the corresponding end face of upper and lower module is equipped with runner, and runner is towards being simultaneously connected to above-mentioned filling spaceFormation cladding node is inwardly injected by injection orifice has the advantages that production effect is high, at low cost, intensity is big compared with prior art.

Description

A kind of TGXG crossbar contact overlap joint injection molding coating unit and production method
This number of applying for a patent " 2014108371300 ", a kind of invention and created name " TGXG crossbar contact overlap joint injection molding Coating unit and production method ", the divisional application of the applying date " 2014-12-30 ".
Technical field
The present invention relates to a kind of one TGXG crossbar contacts of geotechnical engineering construction field to overlap injection molding coating unit and life Production method.
Background technology
TGXG is mainly used for highway, railway, airport construction, harbour, fills in the sea to grow grain, water conservancy dykes and dams isolith geotechnique Among journey, after making roadbed backfill reinforcement, globality is stronger, sinking and displacement not easy to crack, it is ensured that construction quality and safety, It is current preferred one of novel geotechnological building materials, is project of vital and lasting importance engineering, provides sound assurance.
The production method type of reinforcement material currently used for geotechnical engineering is various, uses mechanical property feature, adapts to Environment is different, and Plastic mainly has three classes:
1) plastic tensile classSuch as unidirectional, biaxial tension Plastics Geogrids, such product is usually with polyethylene or polypropylene For primary raw material, then various auxiliary agents are added, plank is extruded by screw extruder, plank is punched out through forcing press, then Carry out preheating longitudinal stretching, cross directional stretch forms.The production method equipment investment is huge, and equipment is huge, produces product cost Height, tensile strength is low, and it is 50kN that every meter, which is prolonged tensile strength,.
2) plastics weldbonding classSuch as drawn polyester band weldbonding grid, polypropylene tension belt weldbonding grid, steel and plastic composite material Grid etc., such product are first to use extruder and composite machine head by after plastics and composite material co-extrusion, are drawn into one fixed width After band, then it is longitudinally, laterally overlapped to form rectangular lattice structure, (weldbonding is welded using ultrasonic welding machine at node)And At.The product after weld formation, is easy to damage original tensile strength of band, the combination stripping of vertical, horizontal band cross weld point It is low from intensity, it is easy to fall off with pad in transportational process constructing.
The technology of patent disclosure at present is not involved with the specific forming method of injection molding, and efficiency is low, and intensity is low, The defects of of high cost.
Invention content
In order to overcome current deficiency, the present invention provides a kind of TGXG crossbar contacts to overlap injection molding coating unit and life Production method has the advantages that production effect is high, at low cost, intensity is big compared with prior art.
To achieve the above objectives, the technical solution adopted in the present invention is:
A kind of crossbar contact overlap joint injection molding clad type TGXG, it is characterised in thatIncluding at least two different directions Band, crosspoint is intersected to form between band, and band is equipped with injection molding cladding node in crosspoint outer cladding;Injection molding cladding node For injecting type one clad structure, wrapped position includes at least the front and back position in the quadrangle in crosspoint, crosspoint.
Preferably, the band is lateral straps and longitudinal band.
Preferably, injection molding cladding node is front and back is equipped with shrinkage pool.
Preferably, the band be polypropylene tension belt, drawn polyester band, composite steel-plastic belt, glass plastic composite strip extremely Few one kindStrip face has diamond shape rolling flower.
- kind of TGXG crossbar contact overlap joint injection molding 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 recess respectively, upper and lower module is just corresponding with the crosspoint of band, and up and down The depressed area of module is more than the crosspoint of a with grooveAfter strip filling groove, it is correspondingly formed between upper and lower module and band Filling spaceWherein cope plate or lower template are equipped with injection port, and the corresponding end face of upper and lower module is equipped with runner, runner court To and be connected to above-mentioned filling spaceCope plate, lower template are equipped with along the groove for accommodating band through upper and lower module.
Preferably, it is respectively equipped with the pillar up and down perpendicular to bolster in the middle part of upper and lower module, upper and lower pillar is towards right It answers.
Preferably, corresponding guider is equipped between the bolster.
Preferably, upper and lower module is square structure, and the quadrangle secondary recess with outward extension of square module is described The periphery of secondary recess be arc-shaped shape, and it is round and smooth excessively with direction module.
Preferably, the module up and down is embedded on bolster.
The production method of crossbar contact overlap joint injection molding clad type TGXG,
Select unlike material at wire rod band, determine how many item is vertical on the wide product of whole picture according to mesh size size To band, longitudinal band is imported into cope plate, there are several templates on whole picture is wide, waits for that whole longitudinal bands pass through cope plate Enter trailer system afterwards;
Lower template is imported simultaneously with two bands, on whole picture is wide, there are several lower templates corresponding with cope plate;
All cope plates are stationary, and whole lower templates realize three actions, rise molding, pressurize, decline die sinking; During molding, after longitudinal band, lateral straps juxtaposition, with upper module, the cylinder handle of lower die protrusion in the block Longitudinal band is tightly seamless to face pressure is closed with lateral straps;
After the completion of molding, hermetic type cavity is formd, is got ready for injection, when injection is several in entire breadth A upper and lower mould;Each closed cavity is entered by respective injection port, runner simultaneously, is cooled down by time several seconds after filling After sizing, you can die sinking, die sinking rear haulage system backward involve longitudinal band, and it is lateral straps spacing distance to involve step pitch Times, thus complete first circulation action, in cycles ..., metering winding, that is, complete " umbo point TGXG " life Production.
The operation principle and advantageous effect of the present invention is shown:
The present invention is supplied to a kind of novel process units and method, by the way that bolster is arranged and is set in template Set it is corresponding up and down module, the filling space corresponding with the crosspoint of band and forming sealing by upper and lower module, by this Injection is to fulfil assignment in space.The creation point of the present invention is that the structure type in this crosspoint, use of the invention The structure of injecting type, can be carried out with band it is integrated merge, and can be in the surrounding in crosspointQuadrangle and front and back Whole structure is formed, the intensity in crosspoint is substantially increased.
To sum up, the present invention has the following advantages:
1, efficient:
Because TGXG is with one fixed width(4m 6m) and length(30m 50m) coiled latticed construction Material can be used in building site large area, if produced using the prior art, much can not meet a large amount of uses.And this patent is sent out It is bright to use in full width(4m 6m) on inject complete two lateral straps simultaneously, it is primary that complete cladding crossbar contact most It is 86;
2, at low cost:
From the shape analysis of injection molding cladding point, the technology that all material volumes are much larger than present patent application is injected;
3, node peeling force is high, survivable;
4, low by welding the node peeling force formed, it is easy to fall off with pad in transportational process constructing.The present invention Use multistation injecting molding die, and upper and lower module quick-replaceable design, realize rapidly and efficiently, it is cost-effective, and And substantially increase the peeling force of cladding node;
5, by the way that four arc structures are arranged in the quadrangle of module, in this way at injection molding cladding node, four circular arcs are formed The binding site of shape enhances the peeling force between longitudinal band and lateral straps;
6, pillar is set in module, longitudinal band and lateral straps positioning compression, convenient for injection molding;It is wrapped in this way in injection molding It covers node and is correspondingly formed shrinkage pool, reduce injection dosage herein, to reduce cost, while shrinkage pool also increases and reinforcement " the interlocking power " of soil;
7, cope plate, lower template use tessellated forms mode, different according to strip width, thickness, may be implemented quickly more It changes, to substantial saved mold manufacturing expense.
Description of the drawings
Fig. 1:Lower die plate structure schematic diagram;
Fig. 2 is lower module schematic diagram;
Fig. 3 is the A-A views of Fig. 2;
Fig. 4 is the CC views of Fig. 2;
Fig. 5 is cope plate schematic diagram;
Fig. 6 is upper module schematic diagram;
Fig. 7 is the BB views of Fig. 6;
Fig. 8 is TGXG product structure schematic diagram;
Fig. 9 is this geotechnique grid product dimensional structure diagram.
Specific implementation mode
The relevant technologies content that do not address below can be used or use for reference the prior art.
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection Range.
As shown, a kind of TGXG crossbar contact overlap joint injection molding coating unit, including cope plate 1 and lower template 2.
It is set respectively on the upper module 11 and lower module 12, such as cope plate 1 of recess on the upper and lower opposite end face of template If there are four upper module, four lower modules are set in corresponding lower template.
Upper module, lower module can be used the mode inlayed and be fixed in cope plate or lower template.
Cope plate 1, lower template 2 are equipped with along the groove 3 for accommodating band through upper and lower module, and upper and lower module is just It is corresponding with the crosspoint of band, and the depressed area of module is more than the crosspoint of a 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 equipped with injection port 6, and the corresponding end face of upper and lower module is equipped with runner 7, runner 7 towards and be connected to above-mentioned filling Space.
It is respectively equipped in the middle part of upper and lower module perpendicular to pillar 4 up and down of bolster, upper and lower pillar direction is correspondingInstitute Corresponding guider 5 is equipped between the bolster stated.
Upper and lower module is square structure, the quadrangle secondary recess with outward extension of square module, the auxiliary The periphery of recess is arc-shaped 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 inlayed mould cavity in the block equipped with runner with 4 and is communicated respectively, after molding, inlays module serial number phase It is corresponding, and have corresponding guiding mechanismLower template 2 can move up and down, and realize open mold action.
1, the groove width in module for accommodating band is B, and beam thickness is equal to h, and strip width is equal to b, B >=b.
2, injection molding cladding node, has 4 R fillets, and have shrinkage pool among top and bottom, and injection molding cladding node 8 has certain thick Degree=beam thickness bX2+ (2 3mm) X2.
The production method of crossbar contact overlap joint injection molding clad type TGXG,
1, produce the band of unlike material first, band used be have one fixed width and thickness at coil around material Material.Such as:Strip width 17mm, thickness 2mm, often disk length 100m.Band can be divided into following several, and belt surface has can be according to need Diamond shape rolling decorative pattern is set:
1) polypropylene(PP) tension belt:
It is heated to stretch, be embossed, drawing, closing after squeezing out cooling and shaping by plastic extruder;Band intensity can be with Reach >=300MPa;
2) polyester(PET) tension belt:
After squeezing out cooling and shaping blank by plastic extruder, heated roller multi-pass stretches, is embossed, draws, closes; 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 is drawn It stretches, be embossed, draw, close;Band intensity is reachable >=1000MPa;
4) glass moulds band:
1, plastic extruder co-extruding machine head is passed through by glass fiber yarn, using high density polyethylene (HDPE)(HDPE) plastic overmold is drawn It stretches, be embossed, draw, close;Band intensity is reachable >=400MPa;
2, select unlike material at wire rod band(Bandwidth b, it is thick h) to be placed on special equipment, it is big according to mesh size Small determination how many longitudinal band on the wide product of whole picture, cope plate is imported by longitudinal band(Fig. 2), wide in whole picture There are several templates on (4m 6m), enters trailer system after cope plate after whole longitudinal bands;
3, lower template is imported simultaneously with two bands, it is wide in whole picture(4m 6m) on, there are several lower templates and cope plate It is corresponding;
4, all cope plates are stationary, and whole lower templates realize three actions, molding, pressurize, die sinking;It is closing During mould, after longitudinal band, lateral straps juxtaposition, the cylinder handle with upper module, lower die 0 d protrusions in the block is vertical It is tightly seamless to face pressure is closed with lateral straps to band;
5, after the completion of molding, hermetic type cavity is formd, is got ready for injection, if when injection in entire breadth Dry upper and lower mould.Each closed cavity is entered by respective injection port, runner simultaneously, is cooled down by time several seconds after filling After sizing, you can die sinking, die sinking rear haulage system backward involve longitudinal band, and it is lateral straps spacing distance to involve step pitch Times, thus first circulation action is completed, in cycles ..., the production of " umbo point TGXG " is completed in metering winding. (for umbo point TGXG compared with commonly welding grid, node peeling force can reach 1000N, and because node protrudes, therefore it is " convex to gain the name Node TGXG ".
Crossbar contact overlap joint injection molding clad type TGXG, including at least two different directions can be prepared with above method Band, square crosspoint is intersected to form between band, band is equipped with injection molding cladding node in crosspoint outer cladding.
Rectangular unit grid is formed using lateral straps and longitudinal band, the vertex of rectangular unit grid is crosspoint, and band exists Crosspoint outer cladding is equipped with injection molding cladding node(Certainly the band in other directions is can not rule out, as long as module does corresponding change ?).
It is injecting type one clad structure to coat node by injection molding prepared by above method, and wrapped position includes crosspoint Quadrangle circle excessively, the front and back position in crosspoint;And it is equipped with shrinkage pool before and after injection molding coats node.
The above is only the preferred embodiment of the application, is made skilled artisans appreciate that or realizing this Shen Please.Various 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 range.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (1)

1. the production method of crossbar contact overlap joint injection molding clad type TGXG, it is characterised in that:
Including cope plate and lower template, the upper module and lower module of recess are set on the opposite end face of upper and lower template respectively, on The cylinder of protrusion is equipped in module, lower module;
Cope plate is equipped with the groove for accommodating longitudinal band through upper module, and lower template is equipped with and is used for through lower module The groove of lateral straps is accommodated, upper and lower module is corresponding with the crosspoint of lateral straps longitudinal band, and the depressed area of module up and down More than the crosspoint of longitudinal band groove and lateral straps groove;
Select unlike material at wire rod band, how many longitudinally oriented strip on the wide product of whole picture is determined according to mesh size size Longitudinal band is imported cope plate by band, wide upper equipped with several cope plates in whole picture, after whole longitudinal bands after cope plate Into trailer system;
Lower template is imported simultaneously with two lateral straps, on whole picture is wide, there are several lower templates corresponding with cope plate;
All cope plates are stationary, and whole lower templates realize three actions, rise molding, pressurize, decline die sinking;It is closing During mould, after longitudinal band, lateral straps juxtaposition, the cylinder handle with upper module, lower die protrusion in the block is longitudinal Band compresses seamless with lateral straps faying face;
After the completion of molding, upper and lower module is corresponding with the crosspoint of longitudinal band and lateral straps and forms closed cavity, Get ready for injection, several upper and lower moulds when injection in entire breadth simultaneously by respective injection port, runner into Enter each closed cavity, after filling by time several seconds cooling and shaping after, you can die sinking, die sinking rear haulage system longitudinally oriented strip Band involves backward, involves the multiple that step pitch is lateral straps spacing distance, thus completes first circulation action, reciprocation cycle, Metering is wound, that is, completes the production of " crossbar contact overlap joint injection molding clad type TGXG ".
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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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
US11248358B2 (en) * 2017-06-27 2022-02-15 Man Zhang Geogrid and manufacturing method thereof
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
CN114131851B (en) * 2021-11-11 2023-01-24 成都路宝工程材料有限公司 Mould for geogrid with folding nodes
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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Denomination of invention: An overlapping injection molding covering device and production method for Geogrid cross joints

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Denomination of invention: A device and production method for overlapping injection molding wrapping of geogrid cross nodes

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Denomination of invention: A cross node overlapping injection molding coating device and production method for geogrids

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