CN204414500U - A kind of GSZ crossbar contact overlap joint injection moulding coating unit - Google Patents
A kind of GSZ crossbar contact overlap joint injection moulding coating unit Download PDFInfo
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- CN204414500U CN204414500U CN201420851712.XU CN201420851712U CN204414500U CN 204414500 U CN204414500 U CN 204414500U CN 201420851712 U CN201420851712 U CN 201420851712U CN 204414500 U CN204414500 U CN 204414500U
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Abstract
The utility model discloses a kind of GSZ crossbar contact overlap joint injection moulding coating unit, it is characterized in that: comprise cope match-plate pattern and lower bolster, the end face that upper and lower template is relative is established respectively upper module and the lower module of depression, upper and lower module is just in time corresponding with the crosspoint of band, and the depressed area of module is greater than the crosspoint of bar with groove up and down; When after strip filling groove, upper and lower module is corresponding with between band forms filling space; Wherein cope match-plate pattern or lower bolster are provided with injection port, and end face corresponding to upper and lower module is provided with runner, runner towards and be communicated with above-mentioned filling space; Inwardly injected by injection orifice and form coated node, compared with prior art, there is the advantage that production effect is high, cost is low, intensity is large.
Description
Technical field
The utility model relates to a kind of Geotechnical Engineering construction field---GSZ crossbar contact overlap joint injection moulding coating unit.
Background technology
Among the Geotechnical Engineerings such as GSZ is mainly used in highway, railway, airport construction, harbour, fills in the sea to grow grain, water conservancy dykes and dams, after making roadbase backfill soil reinforcement, globality is stronger, sinking not easy to crack and displacement, ensure that construction quality and safety, be one of current first-selected novel geotechnological building materials, be project of vital and lasting importance engineering, provide sound assurance.
Of a great variety for the preparation method of the reinforcement material of Geotechnical Engineering at present, it uses mechanical property feature, and conform each variant, Plastic mainly contains three classes:
1) plastic tensile class: as unidirectional, biaxial tension Plastics Geogrids, this series products usually with polyethylene or polypropylene for primary raw material, add various auxiliary agent again, sheet material is extruded into by screw extruder, through forcing press, punching is carried out to sheet material, then carry out preheating longitudinal stretching, cross directional stretch forms.This production method equipment investment is huge, and equipment is huge, and production product cost is high, and hot strength is low, and the strong speed of every linear meter(lin.m.) stretching is 50kN.
2) plastics weldbonding class: as drawn polyester band weldbonding grid, polypropylene tension belt weldbonding grid, steel and plastic composite material grid etc., this series products first uses extruder and composite machine head by after plastics and composite co-extrusion, after being drawn into the band of one fixed width, longitudinal, the orthogonal network of transverse lap again, node place carries out welding (weldbonding) through ultrasonic welding machine again and forms.This product is after welding, and easily original tensile strength of damage band, its vertical, horizontal band cross weld point low in conjunction with peel strength, in construction and transportation, pad easily comes off.
Technology disclosed in current patent, do not relate to the concrete forming method of injection mo(u)lding, and efficiency is low, intensity is low, high in cost of production defect.
Summary of the invention
In order to overcome current deficiency, the utility model provides a kind of GSZ crossbar contact overlap joint injection moulding coating unit, compared with prior art, has the advantage that production effect is high, cost is low, intensity is large.
For reaching above object, the technical scheme that the utility model adopts is:
A kind of GSZ crossbar contact overlap joint injection moulding coating unit, comprise cope match-plate pattern and lower bolster, the end face that upper and lower template is relative is established respectively upper module and the lower module of depression, upper and lower module is just in time corresponding with the crosspoint of band, and the depressed area of module is greater than the crosspoint of bar with groove up and down; When after strip filling groove, upper and lower module is corresponding with between band forms filling space; Wherein cope match-plate pattern or lower bolster are provided with injection port, and end face corresponding to upper and lower module is provided with runner, runner towards and be communicated with above-mentioned filling space.
Preferably, the middle part of upper and lower module is respectively equipped with the projection up and down perpendicular to bolster, and upper and lower projection is towards correspondence.
Preferably, corresponding guider is provided with between described bolster.
Preferably, upper and lower module be square structure, the corner of square module is provided with outward extending secondary recess, and the periphery of described secondary recess is circular shape, and excessively round and smooth with direction module.
Preferably, described module is up and down embedded on bolster.
Preferably, cope match-plate pattern, lower bolster are provided with along the groove for holding band through upper and lower module.
Operation principle of the present utility model and beneficial effect show:
The utility model is supplied to a kind of novel process units and method, by arranging bolster and arrange corresponding module up and down in template, also the filling space sealed is formed, by injecting in this space thus fulfiling assignment by upper and lower module is corresponding with the crosspoint of band.Creation point of the present utility model is just the version in this crosspoint, the structure of employing injecting type of the present utility model, integrated fusion can be carried out with band, and can in the surrounding in crosspoint: corner and front and back form overall structure, substantially increase the intensity in crosspoint.
To sum up, the utility model has the following advantages:
1, efficiency is high.
Because GSZ is the latticed construction material of the rolling with one fixed width (4m ~ 6m) and length (30m ~ 50m), can adopt in building site large area, if adopt prior art to produce, can not meet a large amount of employing far away.And two lateral straps have been injected in the employing of this patent utility model on full width (4m ~ 6m) simultaneously, once complete coated crossbar contact and mostly be 86 most.
2, cost is low.
From the shape analysis of the coated point of injection moulding, inject the technology of all material volumes much larger than present patent application.
3, node peeling force is high, survivable.
4, low by the node peeling force of welding formation, in construction and transportation, pad easily comes off.The utility model have employed multistation injecting molding die, and the design of upper and lower module quick-replaceable, to achieve rapidly and efficiently, cost-saving, and substantially increases the peeling force of coated node.
5, by arranging four arc structures in the corner of module, like this at the coated node place of injection moulding, forming the binding site of four arc-shapeds, enhancing the peeling force between longitudinal band and lateral straps.
6, projection is set in module, longitudinal band and lateral straps positioning compression, is convenient to injection moulding; Form shrinkage pool in the coated node correspondence of injection moulding like this, decrease injection consumption herein, thus reduce cost, shrinkage pool also increases " interlocking power " with reinforced earth simultaneously.
7, cope match-plate pattern, lower bolster adopt tessellated forms mode, according to strip width, thickness difference, can realize quick-replaceable, thus substantial saving in Making mold expense.
Accompanying drawing explanation
Fig. 1: lower bolster structural representation;
Fig. 2 is lower module schematic diagram;
Fig. 3 is the A-A view of Fig. 2;
Fig. 4 is the CC view of Fig. 2;
Fig. 5 is cope match-plate pattern schematic diagram;
Fig. 6 is upper module schematic diagram;
Fig. 7 is the BB view of Fig. 6;
Fig. 8 is GSZ product structure schematic diagram;
Fig. 9 is this geotechnological grid product perspective view.
Detailed description of the invention
The correlation technique content do not addressed below all can adopt or use for reference prior art.
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
As shown in the figure, a kind of GSZ crossbar contact overlap joint injection moulding coating unit, comprises cope match-plate pattern 1 and lower bolster 2.
The end face that upper and lower template is relative is established respectively upper module 11 and the lower module 12 of depression, such as cope match-plate pattern 1 is provided with four upper modules, and corresponding lower bolster is located at four lower modules.
Upper module, lower module can adopt the mode of inlaying to be fixed on cope match-plate pattern or lower bolster.
Cope match-plate pattern 1, lower bolster 2 are provided with along the groove 3 for holding band through upper and lower module, and upper and lower module is just in time corresponding with the crosspoint of band, and the depressed area of module is greater than the crosspoint of bar with groove up and down.
When after strip filling groove 3, upper and lower module is corresponding with between band forms filling space; Wherein cope match-plate pattern or lower bolster are provided with injection port 6, and end face corresponding to upper and lower module is provided with runner 7, runner 7 towards and be communicated with above-mentioned filling space.
The middle part of upper and lower module is respectively equipped with the projection up and down 4 perpendicular to bolster, and upper and lower projection is towards correspondence; Corresponding guider 5 is provided with between described bolster.
Upper and lower module be square structure, the corner of square module is provided with outward extending secondary recess, and the periphery of described secondary recess is circular shape, and excessively round and smooth with direction module.
Cope match-plate pattern has injection port 6 to be connected with Channels, and cope match-plate pattern maintains static.
Lower bolster 2 is provided with runner and communicates with 4 die cavities inlayed in module respectively, and after matched moulds, it is corresponding to inlay module sequence number, and has corresponding guiding mechanism; Lower bolster 2 can move up and down, and realizes opening mould assembling action.
1, module is B for holding the groove width of band, beam thickness equals h, and strip width equals b, B >=b.
2, the coated node of injection moulding, has 4 R fillets, and has shrinkage pool in the middle of top and bottom, and the coated node 8 of injection moulding has certain thickness=beam thickness b × 2+ (2 ~ 3mm) × 2.
The production method of crossbar contact overlap joint injection moulding clad type GSZ,
1, first produce the band of unlike material, band used be have one fixed width and thickness become to coil around material.As: strip width 17mm, thickness 2mm, often coil length 100m.Band can be divided into following several, and belt surface has can arrange rhombus roll extrusion decorative pattern as required:
1) polypropylene (PP) tension belt:
After extruding cooling and shaping by plastic extruder, form through stretching of heating, embossing, traction, closing quotation; Band intensity can reach >=300MPa.
2) polyester (PET) tension belt:
After extruding cooling and shaping blank by plastic extruder, form through roller multi-pass stretching of heating, embossing, traction, closing quotation; Band intensity can reach >=400MPa.
3) steel plastic band:
By carbon spring steel wires through plastic extruder co-extruding machine head, the stretching of high density polyethylene (HDPE) (HDPE) plastic overmold, embossing, traction, closing quotation is adopted to form; Band intensity can reach >=1000MPa.
4) glass moulds band:
By glass fiber yarn through plastic extruder co-extruding machine head, the stretching of high density polyethylene (HDPE) (HDPE) plastic overmold, embossing, traction, closing quotation is adopted to form; Band intensity can reach >=400MPa.
2, one-tenth wire rod band (the bar bandwidth b of unlike material is selected, thick h), be placed on special equipment, determine there are how many longitudinal bands on the product that view picture is wide according to mesh size size, longitudinal band is imported cope match-plate pattern (figure bis-), view picture wide (4m ~ 6m) there are several templates, after cope match-plate pattern, enter trailer system until whole longitudinal band;
3, import lower bolster with two bands simultaneously, on view picture wide (4m ~ 6m), have several lower bolsters corresponding with cope match-plate pattern.
4, all cope match-plate patterns are actionless, and all lower bolster realizes three actions, matched moulds, pressurize, die sinking.In the process of matched moulds, after longitudinal band, lateral straps juxtaposition, with the cylinder of the ￠ d projection in upper module, lower module, longitudinal band and lateral straps are compressed seamless to conjunction face.
5, after matched moulds completes, hermetic type cavity is defined, for injection is got ready, several upper and lower moulds during injection in whole fabric width.Enter each airtight die cavity by respective injection port, runner simultaneously, by after time several seconds cooling and shaping after filling, get final product die sinking, die sinking rear haulage system involves longitudinal band backward, involve step pitch be lateral straps spacing distance doubly, thus complete first do action, go round and begin again ... metering rolling, namely completes the production of " umbo point GSZ ".(compared with common welding grid, node peeling force can reach 1000N to umbo point GSZ, because node protrudes, therefore gain the name " umbo point GSZ ").
Can prepare crossbar contact overlap joint injection moulding clad type GSZ in order to upper method, comprise the band of at least two different directions, intersect to form square crosspoint between band, band is provided with the coated node of injection moulding in crosspoint outer cladding.
Adopt lateral straps and longitudinal band to form rectangular unit grid, the summit of rectangular unit grid is crosspoint, and band is provided with the coated node of injection moulding (certainly can not get rid of the band in other directions, change accordingly as long as module is done) in crosspoint outer cladding.
The coated node of the injection moulding prepared by above method is injecting type one clad structure, wrapped position comprise the circle of the corner in crosspoint excessively, the front and back position in crosspoint; And shrinkage pool is provided with before and after the coated node of injection moulding.
The above is only the preferred embodiment of the application, those skilled in the art is understood or realizes the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a GSZ crossbar contact overlap joint injection moulding coating unit, it is characterized in that: comprise cope match-plate pattern and lower bolster, the end face that upper and lower template is relative is established respectively upper module and the lower module of depression, upper and lower module is just in time corresponding with the crosspoint of band, and the depressed area of module is greater than the crosspoint of bar with groove up and down; When after strip filling groove, upper and lower module is corresponding with between band forms filling space; Wherein cope match-plate pattern or lower bolster are provided with injection port, and end face corresponding to upper and lower module is provided with runner, runner towards and be communicated with above-mentioned filling space.
2. GSZ crossbar contact overlap joint injection moulding coating unit according to claim 1, is characterized in that:
The middle part of upper and lower module is respectively equipped with the projection up and down perpendicular to bolster, and upper and lower projection is towards correspondence.
3. GSZ crossbar contact overlap joint injection moulding coating unit according to claim 1 and 2, is characterized in that: be provided with corresponding guider between described bolster.
4. GSZ crossbar contact overlap joint injection moulding coating unit according to claim 1 and 2, it is characterized in that: module is square structure up and down, the corner of square module is provided with outward extending secondary recess, the periphery of described secondary recess is circular shape, and excessively round and smooth with direction module.
5. GSZ crossbar contact overlap joint injection moulding coating unit according to claim 1 and 2, is characterized in that: described module is up and down embedded on bolster.
6. GSZ crossbar contact overlap joint injection moulding coating unit according to claim 1 and 2, is characterized in that: cope match-plate pattern, lower bolster are provided with along the groove for holding band through upper and lower module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851712.XU CN204414500U (en) | 2014-12-30 | 2014-12-30 | A kind of GSZ crossbar contact overlap joint injection moulding coating unit |
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| CN201420851712.XU CN204414500U (en) | 2014-12-30 | 2014-12-30 | A kind of GSZ crossbar contact overlap joint injection moulding coating unit |
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| CN204414500U true CN204414500U (en) | 2015-06-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594324A (en) * | 2014-12-30 | 2015-05-06 | 山东润德复合材料有限公司 | Lap joint, injection molding and coating device for geogrid cross nodal points and production method |
| CN106120700A (en) * | 2016-08-24 | 2016-11-16 | 泰安现代塑料有限公司 | GSZ and the preparation method of node is played based on note bump |
| CN107142803A (en) * | 2016-12-21 | 2017-09-08 | 中国铁道科学研究院铁道建筑研究所 | GSZ and roadbed construction method |
| 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 |
-
2014
- 2014-12-30 CN CN201420851712.XU patent/CN204414500U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594324A (en) * | 2014-12-30 | 2015-05-06 | 山东润德复合材料有限公司 | Lap joint, injection molding and coating device for geogrid cross nodal points and production method |
| CN104594324B (en) * | 2014-12-30 | 2017-07-25 | 山东润德复合材料有限公司 | A kind of GSZ crossbar contact overlap joint injection coating unit |
| CN106120700A (en) * | 2016-08-24 | 2016-11-16 | 泰安现代塑料有限公司 | GSZ and the preparation method of node is played based on note bump |
| CN106120700B (en) * | 2016-08-24 | 2018-10-19 | 泰安现代塑料有限公司 | The TGXG and preparation method of node are played based on note bump |
| CN107142803A (en) * | 2016-12-21 | 2017-09-08 | 中国铁道科学研究院铁道建筑研究所 | GSZ and roadbed construction method |
| CN107142803B (en) * | 2016-12-21 | 2019-04-19 | 中国铁道科学研究院铁道建筑研究所 | TGXG and roadbed construction method |
| 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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