CN114734578A - Nodular cast iron pipe hot melting heat preservation cover mould - Google Patents
Nodular cast iron pipe hot melting heat preservation cover mould Download PDFInfo
- Publication number
- CN114734578A CN114734578A CN202210277157.3A CN202210277157A CN114734578A CN 114734578 A CN114734578 A CN 114734578A CN 202210277157 A CN202210277157 A CN 202210277157A CN 114734578 A CN114734578 A CN 114734578A
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- pipe
- die
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- frame
- cast iron
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- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 36
- 238000002844 melting Methods 0.000 title claims abstract description 33
- 238000004321 preservation Methods 0.000 title claims description 16
- 230000008018 melting Effects 0.000 title claims description 15
- 238000005520 cutting process Methods 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000012943 hotmelt Substances 0.000 description 17
- 229920005830 Polyurethane Foam Polymers 0.000 description 16
- 239000011496 polyurethane foam Substances 0.000 description 16
- 238000009413 insulation Methods 0.000 description 13
- 238000005485 electric heating Methods 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 10
- 230000004927 fusion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004023 plastic welding Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 125000000123 silicon containing inorganic group Chemical group 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection 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
- B29C45/14819—Injection 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 the inserts being completely encapsulated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a hot-melting heat-insulating sleeve die for a nodular cast iron pipe, which comprises a die support and an outer die arranged on the die support, wherein the die support comprises an inner pipe frame and an outer pipe frame, the outer die is fixedly arranged on the outer wall of the inner pipe frame, the inner pipe frame is arranged on the outer pipe frame, a stripper plate is arranged on the outer die, and bulges are arranged on the outer die and the stripper plate. The invention adopts the technical scheme that the lifting mechanism used for separating the movable outer sleeve from the outer mold is arranged in the outer mold, and the inner support of the mold pipe used for fixing the lifting mechanism is arranged in the outer mold, so that the separation and the closing can be ensured through the lifting mechanism in the outer mold. The mould is closed during production to form a complete mould for production, after the production of the product is finished, the mould is separated from the periphery of the pipe, a notch is formed on the mould, and a cutting mechanism is used for cutting at the cut, so that the mould can be conveniently taken down and the interface of the nodular cast iron pipe can be effectively insulated.
Description
Technical Field
The invention relates to the technical field of heat-insulating molds, in particular to a hot-melting heat-insulating sleeve mold for a nodular cast iron pipe.
Background
In the existing production butt joint heat preservation technology of a heat preservation sleeve mold, an electric hot melting sleeve is sleeved between two nodular cast iron pipes, then polyurethane foam is injected, the connection mode of FIG. 8 is adopted when the nominal diameter of the nodular cast iron pipe is less than or equal to DN600, the butt joint mode of FIG. 9 is adopted when the nominal diameter of the nodular cast iron pipe is greater than or equal to DN700, the existing connection end has some problems, for example, the connection mode in the existing stage is a process of directly performing injection molding heat preservation between two pipelines, the process is complex, no heat preservation mold is directly sleeved in the existing stage, the operation needs to be performed on site, and the construction steps are complex.
Therefore, a nodular cast iron pipe hot melting insulation sleeve mold is designed.
Disclosure of Invention
The invention aims to solve the problems of the direct injection molding heat preservation process between two pipelines, and the hot-melting heat preservation sleeve mold for the ductile cast iron pipe is not provided with a directly sleeved heat preservation mold at the present stage.
In order to achieve the purpose, the invention adopts the following technical scheme:
the ductile cast iron pipe hot-melting heat-insulating sleeve mold comprises a mold support and an outer mold arranged on the mold support, wherein the mold support comprises an inner pipe frame and an outer pipe frame, the outer mold is fixedly arranged on the outer wall of the inner pipe frame, the inner pipe frame is arranged on the outer pipe frame, a stripper plate is arranged on the outer mold, and protrusions are arranged on the outer mold and the stripper plate;
preferably, the demoulding plate comprises a movable outer sleeve and a bulge part positioned on the movable outer sleeve, the outer die is provided with a movable hole, the demoulding plate slides up and down on the outer die through the movable hole, and the bulge part comprises a convex plate and inclined plates arranged on two sides of the convex plate.
Preferably, the inner frame is provided with a lifting mechanism for jacking the stripper plate, the two sides of the movable outer sleeve are respectively provided with a connecting table, and a lifting rod is connected between the output end of the lifting mechanism and the connecting tables.
Preferably, the intraductal frame includes intraductal lateral frame, a plurality of A-frame, a plurality of die-pin and a plurality of intraductal perpendicular support, intraductal perpendicular support is perpendicular setting with intraductal lateral frame, and intraductal perpendicular support is linear to be fixed in intraductal lateral frame bottom, intraductal perpendicular support is consolidated through welded A-frame with intraductal lateral frame connecting portion and is improved stability, the die-pin runs through A-frame.
Preferably, the outer pipe frame comprises a pipe bottom inclined support, a plurality of pipe bottom vertical supports and a bottom frame, the pipe bottom vertical supports are vertically welded with the bottom frame, the pipe bottom vertical supports and the bottom frame are welded and reinforced through the pipe bottom inclined supports, a placing groove matched with the support rod is formed in the top of the pipe bottom vertical supports, and the support rod is erected on the pipe bottom vertical supports through the placing groove.
The invention has the beneficial effects that:
1. the invention adopts the technical scheme that the lifting mechanism used for separating the movable outer sleeve from the outer mold is arranged in the outer mold, and the inner support of the mold pipe used for fixing the lifting mechanism is arranged in the outer mold, so that the separation and the closure can be ensured through the lifting mechanism in the outer mold. The nodular cast iron pipe joint is closed during production to form a complete mould for production, after the production of the product is finished, the product is separated from the periphery of the pipe, a notch is formed in the mould, and a cutting mechanism is used for cutting at the notch, so that the nodular cast iron pipe joint can be conveniently taken down and can be effectively insulated.
2. The invention adopts the structure that the top of the vertical support at the bottom of the pipe is provided with the placing groove matched with the support rod, and the support rod is erected on the vertical support at the bottom of the pipe through the placing groove, so that the casting of the outer protecting pipe is convenient, when the outer protecting pipe is cast in an overturning way or other steps are carried out on other surfaces of the outer protecting pipe, the support rod at one end can be lifted, then the outer mould is overturned by 180 degrees by taking the support rod at the farthest end as a rotating shaft, and the casting of the whole outer protecting pipe is convenient.
Drawings
FIG. 1 is a schematic structural view of a hot-melting heat-insulating sleeve mold for a nodular cast iron pipe, which is provided by the invention;
FIG. 2 is a front view of the nodular cast iron pipe hot-melting heat-insulating sleeve mold provided by the invention;
FIG. 3 is a schematic structural diagram of the middle and outer molds of the nodular cast iron pipe hot-melting heat-insulating sleeve mold provided by the invention;
FIG. 4 is a schematic structural diagram of a movable outer sleeve in the hot-melting heat-insulating sleeve mold for the nodular cast iron pipe, which is provided by the invention;
fig. 5 is a top view of the nodular cast iron pipe hot-melt insulation sleeve mold provided by the invention;
FIG. 6 is a schematic structural diagram of a mounting device for a hot-melting heat-insulating sleeve of a nodular cast iron pipe, which is provided by the invention;
fig. 7 is a partial schematic view of the mounting device for the hot-melt insulation sleeve of the nodular cast iron pipe;
FIG. 8 is a heat preservation structure of the nodular cast iron pipe of the invention when the nominal diameter is less than or equal to DN 600;
FIG. 9 is a thermal insulation structure of the ductile iron pipe of the present invention with a nominal diameter of not less than DN 700.
In the figure: 1 outer die, 21 inner transverse support, 22 triangular support, 23 support rod, 24 inner vertical support, 31 movable outer sleeve, 32 convex plate, 33 inclined plate, 4 lifting rod, 5 connecting table, 6 lifting mechanism, 71 tube bottom inclined support, 72 tube bottom vertical support, 73 bottom support, 8 outer protective tube, 9 support, 10 heat preservation cotton, 11 polyurethane foam, 12 electric heating melting sleeve, 13 electric heating melting strip, 14 connecting top plate, 15 upper clamping plate, 16 lower clamping plate, 17 fastening bolt, 18 vertical pressing rod, 19 horizontal pushing rod, 20 first stretching spring, 21 second stretching spring, 22 electric heating melting strip pushing plate and 23 electric heating melting sleeve pushing plate.
Detailed Description
Referring to fig. 1-9, the ductile cast iron pipe hot-melting heat-insulating sleeve mold comprises a mold support and an outer mold 1 placed on the mold support, wherein the outer mold 1 is in a hollow cylindrical shape, and a protruding part is positioned on the outer wall of the outer mold 1, so that two hot-melting heat-insulating sleeves can be effectively simulated, namely the two hot-melting heat-insulating sleeves are in a butt joint end state of two outer protective pipes 8 in the application document, and the protruding part can be used for filling polyurethane foam 11 to produce a heat-insulating effect on the two outer protective pipes 8 in the butt joint state.
The die support comprises an inner pipe frame and an outer pipe frame, the outer die 1 is fixedly arranged on the outer wall of the inner pipe frame, the inner pipe frame comprises an inner pipe transverse support 21, a plurality of triangular supports 22, a plurality of support rods 23 and a plurality of inner pipe vertical supports 24, the inner pipe vertical supports 24 are vertically arranged with the inner pipe transverse support 21, the inner pipe vertical supports 24 are linearly fixed at the bottom of the inner pipe transverse support 21, the connecting part of the inner pipe vertical supports 24 and the inner pipe transverse support 21 is reinforced by the welded triangular supports 22 to improve stability, the support rods 23 penetrate through the triangular supports 22 to support the outer die 1 through the inner pipe transverse support 21, then the whole outer die 1 is supported by the support rods 23, the inner pipe frame is placed on the outer pipe frame, the outer pipe frame comprises a pipe bottom inclined support 71, a plurality of pipe bottom vertical supports 72 and a bottom support 73, the plurality of pipe bottom vertical supports 72 are vertically welded with the bottom support 73, the pipe bottom vertical supports 72 are welded with the bottom support 73 through the pipe bottom inclined support 71, the top of the tube bottom vertical support 72 is provided with a placing groove matched with the support rod 23, and the support rod 23 is erected on the tube bottom vertical support 72 through the placing groove, so that the outer protection tube 8 can be cast conveniently, meanwhile, it needs to be explained that the support rod 23 at one end can be lifted at the moment, then the outer mold 1 is turned by taking the support rod 23 at the farthest end as a rotating shaft, so that the outer mold 1 can be turned for 180 degrees, and the casting of the whole outer protection tube 8 is facilitated.
The movable hole has been seted up on the external mold 1, and be equipped with the stripper plate on the external mold 1, the stripper plate passes through the movable hole and slides from top to bottom at external mold 1, the stripper plate is including removing overcoat 31, and be located the bellying on removing overcoat 31, all be equipped with the bellying on external mold 1 and the stripper plate, the bellying includes flange 32 and sets up the swash plate 33 in flange 32 both sides, intraductal putting in the palm and being provided with elevating system 6 that is used for jacking the stripper plate, it all is equipped with connection platform 5 to remove overcoat 31 both sides, elevating system 6's output and be connected with between the platform 5 and lift up pole 4, like elevating system 6 alright jack up the stripper plate through lifting up pole 4, reach the effect that external mold 1 and stripper plate separated.
The outer die 1 is also connected with a cutting mechanism for cutting the outer protecting pipe 8, the cutting mechanism is used for cutting the hot-melt insulation sleeve jacked upwards by the stripper plate, the cutting mechanism can be a cutting machine in the prior art, the cutting machine can be pushed by an air cylinder to move horizontally, and then the cutting of the separated part of the hot-melt insulation sleeve jacked upwards by the stripper plate and the outer die 1 is realized, so that a cut opening appears after the hot-melt insulation sleeve is cut, and then the hot-melt insulation sleeve is pulled from two sides of the cut opening relative to the hot-melt insulation sleeve, and the hot-melt insulation sleeve can be separated from the outer die 1; during production, the stripper plate moves downwards to close the movable hole to form a complete die for production, after the product is produced, the product is separated from the periphery of the pipe to form a notch on the die, and the cutting mechanism is used for cutting at the cut, so that the outer wall of the outer die 1 can be effectively prevented from being scratched in the cutting process; wherein, it needs to be stated that: the material of outer pillar 8 is high density polyethylene resin, and outer pillar 8 is cut the mechanism and cuts after cutting both ends terminal surface and outer pillar 8 axis perpendicular, and the angle error is not more than 2.5 degrees, and such setting can guarantee that the material in the later stage is filled and can be normally gone on, is unlikely to because the failure that the angle error leads to the material to fill cuts.
In addition, in order to facilitate the installation of the hot-melting insulation sleeve on the nodular cast iron pipe, an interface filling device is arranged, wherein a bracket 9 for supporting the outer protective pipe 8 is arranged on the nodular cast iron pipe, the interface filling device comprises a connecting top plate 14, two upper clamping plates 15, two lower clamping plates 16, a plurality of fastening bolts 17, a plurality of vertical pressing rods 18, a plurality of first extension springs 20 and electric hot-melting sleeve pushing plates 23 which are symmetrically arranged, the upper clamping plates 15 and the lower clamping plates 16 which are arranged up and down are clamped on two sides of a cutting notch at one end of the outer protective pipe 8, the upper clamping plates 15 and the lower clamping plates 16 are pre-tightened through the fastening bolts 17, two adjacent upper clamping plates 15 are connected through the connecting top plate 14, the connecting top plate 14 is arranged in a U shape, the vertical pressing rods 18 penetrate through the connecting top plate 14 and are connected with the connecting top plate 14 through the first extension springs 20, the electric hot-melting sleeve pushing plates 23 are arranged at the bottoms of the vertical pressing rods 18, and the electric hot melting sleeve pushing plate 23 is used for pushing the electric hot melting sleeve 12 to be tightly attached to the polyurethane foam 11
It should be noted that: when the polyurethane foam 11 is deformed by compression, the amount of radial deformation thereof does not exceed 15% of the thickness of the polyurethane foam 11 for which it is designed. The scratch depth of the outer protective pipe 8 is not more than 10% of the minimum wall thickness of the outer protective pipe 8 and is not more than 1 mm.
The following description is: the wet polyurethane foam of pipe end should clear away, and the internal surface of joint outer jacket should dry pollution-free, and pipeline outer casing surface and joint outer jacket overlap joint should be clean, dry, can guarantee like this that there is not impurity in welded in-process joint department, just can effectually avoid the phenomenon that can produce the galvanic cell and then produce the corrosion.
The cutting openings of the outer protecting pipe 8 are filled with polyurethane foam 11, and heat-insulating cotton 10 and an electric melting sleeve 12 for heat insulation are respectively arranged on two sides of the polyurethane foam 11.
When the nominal diameter of the ductile cast iron pipe is less than or equal to DN600, the following filling mode is adopted:
referring to fig. 6-7, the interface filler device comprises a connecting top plate 14, two upper clamping plates 15, two lower clamping plates 16, a plurality of fastening bolts 17, a plurality of vertical pressing rods 18, a plurality of first extension springs 20 and electric hot melt sleeve pushing plates 23 which are symmetrically arranged, wherein the upper clamping plates 15 and the lower clamping plates 16 which are arranged up and down are clamped on two sides of a cutting opening at one end of the outer protection pipe 8, and the upper clamping plates 15 and the lower clamping plates 16 are pre-tightened through the fastening bolts 17, so that the cutting openings can be relatively and neatly arranged, the upper clamping plates 15 and the lower clamping plates 16 can be respectively clamped through the cutting openings at the 8-year ends of the outer protection pipe on the upper clamping plates 15 and the lower clamping plates 16 through pre-tightening of the fastening bolts 17, and injection foaming of hard polyurethane foam 11 is facilitated.
It should be noted that: and (3) removing the residual polyurethane foaming material in time after foaming, and sealing the port of the cut of the outer protective pipe 8 by adopting high-temperature-resistant silicon-containing inorganic high-temperature-resistant sealing coating.
Connect through connecting roof 14 between two adjacent punch holder 15, and it is the setting of U-shaped to connect roof 14, vertical press lever 18 through connection roof 14, and link to each other with connecting roof 14 through first extension spring 20, the setting of electric hot melt cover pushing plate 23 is in vertical press lever 18 bottom, and electric hot melt cover pushing plate 23 is used for promoting electric hot melt cover 12 and hugs closely polyurethane foam 11, it is convenient for will be driving the electric hot melt cover pushing plate 23 of vertical press lever 18 bottom through first extension spring 20 to push down to set up like this, and the pushing down of electric hot melt cover pushing plate 23 makes electric hot melt cover 12 hug closely polyurethane foam 11, like the state shown in fig. 6, polyurethane foam 11 alright in order to exist between insulating cotton 10 and the electric hot melt cover 12.
The special temperature-controllable plastic welding equipment is needed to be used when the heat-preservation interface is welded in a melting mode, the shearing strength of a lap joint fusion area at room temperature after welding is not lower than the strength of the outer protective pipe base metal, and a fracture point is located outside the fusion welding area, so that the welding fracture of the outer protective pipe 8 base metal can be effectively avoided, and it needs to be explained that the building material high temperature generated in the welding process can be effectively reduced by the special temperature-controllable plastic welding equipment.
The mode of installing the hot-melt heat-insulating sleeve on the nodular cast iron pipe is as follows: 1. cleaning and removing rust, oxide skin, grease, dust, moisture and other pollutants affecting the heat preservation effect or performance on the surface of the female end and the female end of the nodular cast iron pipe at the interface;
2. wet polyurethane foam 11 at the pipe end is removed, the inner surface of the outer protection layer of the joint is dried and pollution-free, the lap joint of the outer protection pipe 8 is clean and dry, and the outer protection pipe 8 at the interface adopts an interface selected from an electrofusion joint;
3. and after cutting, the product can be detached from the outer die 1, and then the cut is filled with a thermal insulation material for thermal fusion, wherein when the nominal diameter of the nodular cast iron pipe is less than or equal to DN600, the electrothermal fusion sleeve 12 can be tightly attached to the polyurethane foam 11 by directly pushing the electrothermal fusion sleeve push plate 23, and as shown in the state of figure 1, the polyurethane foam 11 can exist between the thermal insulation cotton 10 and the electrothermal fusion sleeve 12.
Adopting the mode of figure 9 when the nominal diameter of the ductile cast iron pipe is more than or equal to DN 700;
referring to fig. 9, the interface filler device further comprises a plurality of horizontal pushing rods 19, a plurality of second extension springs 21 and an electric heating melt strip pushing plate 22, the horizontal pushing rods 19 are connected with the top plate 14 in a penetrating mode and are horizontally arranged, the horizontal pushing rods 19 are connected with the top plate 14 through the second extension springs 21, the electric heating melt strip pushing plate 22 is arranged at one end of each horizontal pushing rod 19, the electric heating melt strip pushing plate 22 is provided with electric heating melt strips 13 towards one side of the electric heating melt sleeve pushing plate 23, so that the electric heating melt strips 13 are always arranged on two sides of the electric heating melt sleeve 12, and therefore the state shown in fig. 7 can be formed, and two hot melting heat preservation sleeves on the nodular cast iron pipe with the large nominal diameter can be conveniently connected.
Claims (5)
1. The hot-melting heat-insulating sleeve die for the ductile cast iron pipe comprises a die support and an outer die (1) placed on the die support, and is characterized in that the die support comprises an inner pipe frame and an outer pipe frame, the outer die (1) is fixedly arranged on the outer wall of the inner pipe frame, the inner pipe frame is placed on the outer pipe frame, a stripper plate is arranged on the outer die (1), and protrusions are arranged on the outer die (1) and the stripper plate.
2. The hot-melting heat-insulating sleeve die for the ductile cast iron pipes as claimed in claim 1, wherein the stripper plate comprises a movable outer sleeve (31) and a protruding part arranged on the movable outer sleeve (31), the outer die (1) is provided with a movable hole, the stripper plate slides up and down on the outer die (1) through the movable hole, and the protruding part comprises a protruding plate (32) and inclined plates (33) arranged on two sides of the protruding plate (32).
3. The nodular cast iron pipe hot melting heat preservation sleeve mold according to claim 2, wherein a lifting mechanism (6) for jacking the stripper plate is arranged on the inner frame of the pipe, connecting tables (5) are arranged on both sides of the movable outer sleeve (31), and a lifting rod (4) is connected between the output end of the lifting mechanism (6) and the connecting tables (5).
4. The nodular cast iron pipe hot melting heat preservation sleeve mold according to claim 1, wherein the pipe inner frame comprises a pipe inner cross support (21), a plurality of triangular supports (22), a plurality of support rods (23) and a plurality of pipe inner vertical supports (24), the pipe inner vertical supports (24) are perpendicular to the pipe inner cross support (21), the pipe inner vertical supports (24) are linearly fixed at the bottom of the pipe inner cross support (21), the connecting parts of the pipe inner vertical supports (24) and the pipe inner cross support (21) are reinforced by the welded triangular supports (22) to improve stability, and the support rods (23) penetrate through the triangular supports (22).
5. The hot-melting heat-insulating sleeve die for the ductile cast iron pipes as claimed in claim 4, wherein the outer pipe frame comprises a pipe bottom inclined support (71), a plurality of pipe bottom vertical supports (72) and a bottom frame (73), the plurality of pipe bottom vertical supports (72) are vertically welded with the bottom frame (73), the pipe bottom vertical supports (72) and the bottom frame (73) are welded and reinforced through the pipe bottom inclined supports (71), a placing groove matched with the support rod (23) is formed in the top of the pipe bottom vertical supports (72), and the support rod (23) is erected on the pipe bottom vertical supports (72) through the placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210277157.3A CN114734578B (en) | 2022-03-21 | 2022-03-21 | Hot-melting heat-insulating sleeve die for nodular cast iron pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210277157.3A CN114734578B (en) | 2022-03-21 | 2022-03-21 | Hot-melting heat-insulating sleeve die for nodular cast iron pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114734578A true CN114734578A (en) | 2022-07-12 |
| CN114734578B CN114734578B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210277157.3A Active CN114734578B (en) | 2022-03-21 | 2022-03-21 | Hot-melting heat-insulating sleeve die for nodular cast iron pipe |
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| CN (1) | CN114734578B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6574851B1 (en) * | 2000-07-31 | 2003-06-10 | Advanced Cardiovascular Systems, Inc. | Stent made by rotational molding or centrifugal casting and method for making the same |
| KR200441697Y1 (en) * | 2007-05-09 | 2008-09-03 | 김명철 | Production equipment to produce pipe pipe subsidiary materials (90 degree albo, 45 degree albo, tee, small cat) by using compression vinyl (1) using waste vinyl or waste plastic. |
| JP2011231832A (en) * | 2010-04-27 | 2011-11-17 | Mirai Ind Co Ltd | Exterior member of fluid pipe and heat insulating material of joint |
| CN202357405U (en) * | 2011-11-07 | 2012-08-01 | 天津市滨海鑫源通管业制造有限公司 | High-density polyethylene external protecting tube forming device |
| FR3015343A1 (en) * | 2013-12-19 | 2015-06-26 | Comep | NOVEL EVENTATION SYSTEM FOR ANY BLOW MOLD AND METHOD OF MAKING SAME |
| CN206855846U (en) * | 2017-06-14 | 2018-01-09 | 深圳市深捷通管业发展有限公司 | A kind of glass reinforced plastic pipe ingot stripper |
| CN207327139U (en) * | 2017-11-03 | 2018-05-08 | 山东茂盛管业有限公司 | Polyethylene outer protective pipe cast-cutting saw |
| CN110328822A (en) * | 2019-08-06 | 2019-10-15 | 江苏塑之源机械制造有限公司 | A kind of insulating tube and its extrusion die and manufacturing method |
| CN210758416U (en) * | 2019-06-24 | 2020-06-16 | 浙江中民筑友科技有限公司 | Tubular prefabricated part mold convenient for demolding |
| CN111928063A (en) * | 2020-08-24 | 2020-11-13 | 杭州天佳建材科技有限公司 | Method for manufacturing and forming pipeline heat-insulating layer structure |
| CN112317715A (en) * | 2020-10-30 | 2021-02-05 | 张琪 | Pouring process for nodular cast iron production |
| CN112325004A (en) * | 2020-11-06 | 2021-02-05 | 新兴铸管股份有限公司 | Pipeline joint heat insulation structure and construction method thereof |
| CN215359056U (en) * | 2021-04-22 | 2021-12-31 | 蚌埠市万方水泥制品有限公司 | A assembly jig that is used for quick mould making, drawing of patterns of cement culvert pipe production |
| CN114055717A (en) * | 2021-10-11 | 2022-02-18 | 怀化力搏塑胶科技有限公司 | Double-wall corrugated pipe preparation mold with wide application range and corrugated pipe preparation method |
-
2022
- 2022-03-21 CN CN202210277157.3A patent/CN114734578B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6574851B1 (en) * | 2000-07-31 | 2003-06-10 | Advanced Cardiovascular Systems, Inc. | Stent made by rotational molding or centrifugal casting and method for making the same |
| KR200441697Y1 (en) * | 2007-05-09 | 2008-09-03 | 김명철 | Production equipment to produce pipe pipe subsidiary materials (90 degree albo, 45 degree albo, tee, small cat) by using compression vinyl (1) using waste vinyl or waste plastic. |
| JP2011231832A (en) * | 2010-04-27 | 2011-11-17 | Mirai Ind Co Ltd | Exterior member of fluid pipe and heat insulating material of joint |
| CN202357405U (en) * | 2011-11-07 | 2012-08-01 | 天津市滨海鑫源通管业制造有限公司 | High-density polyethylene external protecting tube forming device |
| FR3015343A1 (en) * | 2013-12-19 | 2015-06-26 | Comep | NOVEL EVENTATION SYSTEM FOR ANY BLOW MOLD AND METHOD OF MAKING SAME |
| CN206855846U (en) * | 2017-06-14 | 2018-01-09 | 深圳市深捷通管业发展有限公司 | A kind of glass reinforced plastic pipe ingot stripper |
| CN207327139U (en) * | 2017-11-03 | 2018-05-08 | 山东茂盛管业有限公司 | Polyethylene outer protective pipe cast-cutting saw |
| CN210758416U (en) * | 2019-06-24 | 2020-06-16 | 浙江中民筑友科技有限公司 | Tubular prefabricated part mold convenient for demolding |
| CN110328822A (en) * | 2019-08-06 | 2019-10-15 | 江苏塑之源机械制造有限公司 | A kind of insulating tube and its extrusion die and manufacturing method |
| CN111928063A (en) * | 2020-08-24 | 2020-11-13 | 杭州天佳建材科技有限公司 | Method for manufacturing and forming pipeline heat-insulating layer structure |
| CN112317715A (en) * | 2020-10-30 | 2021-02-05 | 张琪 | Pouring process for nodular cast iron production |
| CN112325004A (en) * | 2020-11-06 | 2021-02-05 | 新兴铸管股份有限公司 | Pipeline joint heat insulation structure and construction method thereof |
| CN215359056U (en) * | 2021-04-22 | 2021-12-31 | 蚌埠市万方水泥制品有限公司 | A assembly jig that is used for quick mould making, drawing of patterns of cement culvert pipe production |
| CN114055717A (en) * | 2021-10-11 | 2022-02-18 | 怀化力搏塑胶科技有限公司 | Double-wall corrugated pipe preparation mold with wide application range and corrugated pipe preparation method |
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