CN101659100A - Equipment and method for fabricating plastic socket pipe fitting - Google Patents
Equipment and method for fabricating plastic socket pipe fitting Download PDFInfo
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- CN101659100A CN101659100A CN200910195335A CN200910195335A CN101659100A CN 101659100 A CN101659100 A CN 101659100A CN 200910195335 A CN200910195335 A CN 200910195335A CN 200910195335 A CN200910195335 A CN 200910195335A CN 101659100 A CN101659100 A CN 101659100A
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- socket pipe
- pipe fitting
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Abstract
The invention provides equipment and a method for fabricating a plastic socket pipe fitting, wherein, the equipment comprises a frame, an external die composed of a moving die and a static die, an open-close oil cylinder, an internal die, a lift oil cylinder, a cooling jet head and two groups of internal die guide components; and the method comprises the following steps: folding the moving die andthe static die into an integral external die; allowing the internal die to move downwards for die assembly to form a die cavity, injection molding, demolding and finishing to obtain the plastic socket pipe fitting product and the like. The equipment and the method of the invention are used for fabricating large-diameter socket double-walled wound pipe, thus solving the problem that a large-diameter double-walled wound tube is made into the socket double-walled wound pipe.
Description
Technical field
The present invention relates to a kind of making apparatus and preparation method of plastic products, relate in particular to making apparatus of a kind of plastic socket pipe fitting that is used for combining the plastics bell-and-spigot pipe that is made into the band bell socket and preparation method thereof with plastic winding structural wall tube.
Background technology
At present, the tubing that domestic underground water supply and drainage pipe-line system is used mainly contains pipe of concrete, concrete reinforced pipe and cast iron pipe, because it is bigger than length and vehicle flowrate that it builds the time limit, the buried concrete drainpipe in some highway section and cast iron feed pipe are damaged in succession aging, cause municipal drainage to stop up, the feed pipe explosion, not only bring inconvenience to citizen's life, and because of working procedure complicated, the pipe joint number is more, antiseep is difficult in time handling, accumulate over a long period and not only can cause road foundation to sink, effluent seepage, also can pollute soil property, the water source becomes public hazards.For this reason, adopt have good withstand voltage, light weight, corrosion-resistant, environment-friendly type tubing become the task of top priority.
Recent years, all types of plastic tubing rises gradually at home, and progressively replaces pipe of concrete, concrete reinforced pipe and cast iron pipe.With respect to pipe of concrete, concrete reinforced pipe and cast iron pipe, plastic pipe have light weight, corrosion-resistant, the low pollution or free of contamination remarkable advantage, and plastic pipe is also longer service life under identical withstand voltage condition.What plastic pipe was relatively more commonly used at present is the pvc pipe material, though price is lower, it is heavier to exist quality, and withstand voltage deficiency has shortcomings such as a small amount of pollution.And the HDPE solid wall pipe, though function admirable, cost is higher, waste material.So a kind of novel plastic winding structural wall tube arises at the historic moment, it has kept the advantage of common plastics tubing, has overcome their some shortcomings simultaneously again.
But the plastic winding structural wall tube of prior art is generally straight tube, thereby has certain problem when construction, i.e. connection between the tube and tube bothers time-consuming.The connected mode that adopts generally has welding at present, socket joint connects, connected modes such as clamp connection, these connected modes all will adopt one section bell socket to be connected with straight tube, it is more loaded down with trivial details to connect the in earlier stage required preparation of construction at it like this, installs to connect complexity of operation, also longer during installation fee, and, also increased tubing the risk that seepage appears in back sealing place has been installed because the construction interface is more.Therefore, the applicant has developed a kind of spigot-and-socket binary wall twisting and pipe, it is an integral structure component that is formed with shrink belt or Electric thermal smelting belt fusion weld by plastic winding structure wall straight length and the enlarging pipeline section (being socket pipe member) that is connected the band bell socket of this straight length one end, and its structure as shown in Figure 1.Shown in the figure, 91 is the plastic winding structure wall straight length, and 92 are the welding band, and 93 is socket pipe member.The crucial part of making this spigot-and-socket binary wall twisting and pipe is the making of socket pipe member, must just can produce satisfactory socket pipe member with special equipment and method.
Summary of the invention
Purpose of the present invention, making apparatus and preparation method exactly for a kind of plastic socket pipe fitting is provided.
The object of the present invention is achieved like this: a kind of making apparatus of plastic socket pipe fitting comprises:
Frame is tower structure spare;
External mold is formed by dynamic model and quiet die combination, and its inner surface has the shape adaptive with the outer surface of socket pipe member; Dynamic model and quiet mould all are the semi-round ring shape structural member, and its underpart extends internally one and is used for sealing the sealing surface that links to each other with internal mold; Quiet mould is fixedly mounted on the frame, and dynamic model is erected at can be along the guide rail move left and right on the guide rail default on the frame;
The folding oil cylinder is installed in a side of frame and links to each other with the dynamic model transmission;
Internal mold is cirque structure spare, and its outer surface has the shape adaptive with the inner surface of socket pipe member, and its upper end is connected with the installation location-plate;
Hoist cylinder, be installed in frame the top and with the location-plate transmission is installed links to each other and can drive internal mold and move up and down;
Cooling spray is installed in the bottom of frame and stretches into the center of internal mold.
Also comprise two groups of internal mold arrangement for guiding, the axis that two groups of internal mold arrangement for guiding are symmetrical in hoist cylinder is arranged on the both sides of hoist cylinder, every group of internal mold arrangement for guiding comprises a guide pin bushing and a guide rod, guide pin bushing vertically is installed on the frame, and guide rod is arranged in the guide pin bushing and with the installation location-plate and is fixedly linked.
Described dynamic model and quiet mould are provided with the quick latch assembly of many groups at its link.
Described dynamic model is provided with first injection hole on an one link, and the upper end is provided with first overfall in the middle; Described quiet mould is provided with second injection hole on an one link, and the upper end is provided with second overfall in the middle; First injection hole and second injection hole are symmetrical arranged, and first overfall and second overfall are symmetrical arranged, and two overfalls are equidistant with two injection holes respectively.
A kind of preparation method of plastic socket pipe fitting of the making apparatus based on above-mentioned plastic socket pipe fitting may further comprise the steps:
A, startup folding oil cylinder promote dynamic model and draw close to quiet mould, and by quick latch assembly dynamic model and quiet mould locked;
B, startup hoist cylinder promote internal mold and move down and be pressed against on the sealing surface of external mold;
C, by two injection machines respectively when first injection hole and second injection hole inject plastics to the first overfall of fusion and second overfall simultaneously and have melt to overflow, stop injection moulding;
D, by cooling spray to the inwall of internal mold water spray cooling injection molding body, simultaneously with hydraulic giant to injection hole water spray cooling injection molding material wherein;
E, treat the injection molding material sclerosis in the injection hole after, start hoist cylinder and drive and move to internal mold on the internal mold and all leave injection molding body, open each quick latch assembly then, start the folding oil cylinder after the moving dynamic model of shipper pole break away from injection molding body, take out the plastic socket pipe fitting blank of moulding;
Behind f, the taking-up blank, two blocks of protrusion plastics that prune away immediately and form at the injection hole place, and finishing injection moulding overlap promptly obtain the plastic socket pipe fitting product.
Described plastics are high density polyethylene (HDPE).
The making apparatus of plastic socket pipe fitting of the present invention and preparation method be used to make heavy caliber spigot-and-socket binary wall twisting and pipe, solved the difficult problem that the large-caliber double-wall winding pipe is made into the spigot-and-socket binary wall twisting and pipe.
Description of drawings
The sectional structure schematic diagram of the spigot-and-socket binary wall twisting and pipe that Fig. 1 is involved in the present invention;
The main TV structure schematic diagram of the making apparatus of the plastic socket pipe fitting among Fig. 2 the present invention;
Fig. 3 is the W partial enlarged drawing of Fig. 2;
The plan structure schematic diagram of the making apparatus of the plastic socket pipe fitting among Fig. 4 the present invention;
The left TV structure schematic diagram of the making apparatus of the plastic socket pipe fitting among Fig. 5 the present invention.
The specific embodiment
Referring to Fig. 2, cooperation is referring to Fig. 3, Fig. 4, Fig. 5, the making apparatus of a kind of plastic socket pipe fitting of the present invention, external mold, folding oil cylinder 4, internal mold 5, hoist cylinder 6, cooling spray 7 and two groups of internal mold arrangement for guiding 8 of comprising frame 1, being combined into by dynamic model 2 and quiet mould 3.
External mold is combined by dynamic model 2 and quiet mould 3, and its inner surface has the shape adaptive with the outer surface of socket pipe member.Dynamic model 2 and quiet mould 3 all are the semi-round ring shape structural member, and its underpart extends internally one and is used for sealing the sealing surface 21,31 that links to each other with internal mold 5.Quiet mould 3 is fixedly mounted on the frame 1, and dynamic model 2 is erected at can be along the guide rail move left and right on the guide rail 12 default on the frame.Link at dynamic model 2 and quiet mould 3 is provided with the quick latch assembly 10 of many groups.A link of dynamic model 2 is provided with first injection hole 22, and the upper end is provided with first overfall 23 in the middle; On a link of quiet mould 3, be provided with second injection hole (not shown come out), and the upper end is provided with second overfall 33 in the middle; First injection hole and second injection hole are symmetrical arranged, and first overfall and second overfall are symmetrical arranged, and two overfalls are equidistant with two injection holes respectively.
Folding oil cylinder 4 is installed in a side of frame 1 and links to each other with dynamic model 2 transmissions, and folding oil cylinder 4 is used to drive dynamic model 2 move left and right.
The axis that two groups of internal mold arrangement for guiding 8 are symmetrical in hoist cylinder 6 is arranged on the both sides of hoist cylinder, every group of internal mold arrangement for guiding comprises a guide pin bushing 81 and a guide rod 82, guide pin bushing 81 vertically is installed on the frame 1, and guide rod 82 is arranged in the guide pin bushing 81 and with installation location-plate 51 and is fixedly linked.
But the preparation method accompanying drawings of the plastic socket pipe fitting among the present invention is as follows: at first the folding oil cylinder 4 in the equipment and hoist cylinder 6 are connected with relevant oil hydraulic system, cooling spray in the equipment 7 and pressure water source are connected, two injection holes in the equipment are connected with two injection machines respectively, carry out the preparation before going into operation.After preparation is carried out, can start folding oil cylinder 4 promotion dynamic models 2 and draw close and dynamic model 2 and quiet mould 3 are locked, start hoist cylinder 6 promotion internal molds 5 then and move down and be pressed against on the sealing surface 21,31 of external mold by a plurality of quick latch assemblies 10 to quiet mould 3.Like this, between interior external mold, promptly form one and be used to form the plastic socket pipe fitting die cavity of base just.
Inject the plastics (as high density polyethylene (HDPE)) of fusion simultaneously from first injection hole 22 and second injection hole respectively by two injection machines then, when first overfall 23 and second overfall 33 have melt to overflow, stop injection moulding.Then, use hydraulic giant simultaneously to injection hole water spray cooling injection molding material wherein by the inwall water spray cooling injection molding body of cooling spray 7 to internal mold 5.After treating the injection molding material sclerosis in the injection hole, can start hoist cylinder 6 drives and moves to internal mold on the internal molds 5 and all leave injection molding body, open each quick latch assembly 10 then, start the moving dynamic model 2 of folding oil cylinder 4 back shipper poles and break away from injection molding body, take out the plastic socket pipe fitting blank of moulding.After taking out blank, two blocks of protrusion plastics that prune away immediately and form at the injection hole place, and finishing injection moulding overlap promptly obtain the plastic socket pipe fitting product.
Claims (6)
1, a kind of making apparatus of plastic socket pipe fitting is characterized in that, comprising:
Frame is tower structure spare;
External mold is formed by dynamic model and quiet die combination, and its inner surface has the shape adaptive with the outer surface of socket pipe member; Dynamic model and quiet mould all are the semi-round ring shape structural member, and its underpart extends internally one and is used for sealing the sealing surface that links to each other with internal mold; Quiet mould is fixedly mounted on the frame, and dynamic model is erected at can be along the guide rail move left and right on the guide rail default on the frame;
The folding oil cylinder is installed in a side of frame and links to each other with the dynamic model transmission;
Internal mold is cirque structure spare, and its outer surface has the shape adaptive with the inner surface of socket pipe member, and its upper end is connected with the installation location-plate;
Hoist cylinder, be installed in frame the top and with the location-plate transmission is installed links to each other and can drive internal mold and move up and down;
Cooling spray is installed in the bottom of frame and stretches into the center of internal mold.
2, the making apparatus of plastic socket pipe fitting as claimed in claim 1, it is characterized in that: also comprise two groups of internal mold arrangement for guiding, the axis that two groups of internal mold arrangement for guiding are symmetrical in hoist cylinder is arranged on the both sides of hoist cylinder, every group of internal mold arrangement for guiding comprises a guide pin bushing and a guide rod, guide pin bushing vertically is installed on the frame, and guide rod is arranged in the guide pin bushing and with the installation location-plate and is fixedly linked.
3, the making apparatus of plastic socket pipe fitting as claimed in claim 1 is characterized in that: described dynamic model and quiet mould are provided with the quick latch assembly of many groups at its link.
4, the making apparatus of plastic socket pipe fitting as claimed in claim 1 is characterized in that: described dynamic model is provided with first injection hole on an one link, and the upper end is provided with first overfall in the middle; Described quiet mould is provided with second injection hole on an one link, and the upper end is provided with second overfall in the middle; First injection hole and second injection hole are symmetrical arranged, and first overfall and second overfall are symmetrical arranged, and two overfalls are equidistant with two injection holes respectively.
5, a kind of preparation method of plastic socket pipe fitting of the making apparatus based on the described plastic socket pipe fitting of claim 1 is characterized in that, may further comprise the steps:
A, startup folding oil cylinder promote dynamic model and draw close to quiet mould, and by quick latch assembly dynamic model and quiet mould locked;
B, startup hoist cylinder promote internal mold and move down and be pressed against on the sealing surface of external mold;
C, by two injection machines respectively when first injection hole and second injection hole inject plastics to the first overfall of fusion and second overfall simultaneously and have melt to overflow, stop injection moulding;
D, by cooling spray to the inwall of internal mold water spray cooling injection molding body, simultaneously with hydraulic giant to injection hole water spray cooling injection molding material wherein;
E, treat the injection molding material sclerosis in the injection hole after, move to internal mold on the startup hoist cylinder drive internal mold and all leave injection molding body, open each quick latch assembly then, move behind the startup folding oil cylinder, drive dynamic model and break away from injection molding body, take out the plastic socket pipe fitting blank of moulding;
Behind f, the taking-up blank, two blocks of protrusion plastics that prune away immediately and form at the injection hole place, and finishing injection moulding overlap promptly obtain the plastic socket pipe fitting product.
6, the preparation method of plastic socket pipe fitting as claimed in claim 5 is characterized in that: described plastics are high density polyethylene (HDPE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910195335A CN101659100A (en) | 2009-09-08 | 2009-09-08 | Equipment and method for fabricating plastic socket pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910195335A CN101659100A (en) | 2009-09-08 | 2009-09-08 | Equipment and method for fabricating plastic socket pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101659100A true CN101659100A (en) | 2010-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910195335A Pending CN101659100A (en) | 2009-09-08 | 2009-09-08 | Equipment and method for fabricating plastic socket pipe fitting |
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| CN (1) | CN101659100A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114684A (en) * | 2010-12-31 | 2011-07-06 | 东莞市新志密封技术有限公司 | Method and device for demoulding polyurethane semi-finished product material |
| CN102233673A (en) * | 2010-04-21 | 2011-11-09 | 上海久通塑胶制品有限公司 | Processing method of socket pipe with plastic wound structured wall |
| CN104275769A (en) * | 2013-07-11 | 2015-01-14 | 韩云朋 | Forming device of connecting pipe fitting for pipes |
| CN107053595A (en) * | 2016-11-07 | 2017-08-18 | 广东永高塑业发展有限公司 | A kind of electro-fusion socket formula winding tube faucet mould and its application method |
| CN112776257A (en) * | 2020-12-24 | 2021-05-11 | 苏州爱福特精密模具有限公司 | Double-color injection mold for producing household appliance shell |
-
2009
- 2009-09-08 CN CN200910195335A patent/CN101659100A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102233673A (en) * | 2010-04-21 | 2011-11-09 | 上海久通塑胶制品有限公司 | Processing method of socket pipe with plastic wound structured wall |
| CN102114684A (en) * | 2010-12-31 | 2011-07-06 | 东莞市新志密封技术有限公司 | Method and device for demoulding polyurethane semi-finished product material |
| CN102114684B (en) * | 2010-12-31 | 2015-08-05 | 广东新志密封技术有限公司 | A kind of method of demoulding polyurethane semi-finished product material and device thereof |
| CN104275769A (en) * | 2013-07-11 | 2015-01-14 | 韩云朋 | Forming device of connecting pipe fitting for pipes |
| CN107053595A (en) * | 2016-11-07 | 2017-08-18 | 广东永高塑业发展有限公司 | A kind of electro-fusion socket formula winding tube faucet mould and its application method |
| CN112776257A (en) * | 2020-12-24 | 2021-05-11 | 苏州爱福特精密模具有限公司 | Double-color injection mold for producing household appliance shell |
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Open date: 20100303 |