CN109262931A - A kind of high voltage bearing lining of pipe line molding machine and its forming method - Google Patents
A kind of high voltage bearing lining of pipe line molding machine and its forming method Download PDFInfo
- Publication number
- CN109262931A CN109262931A CN201811037745.XA CN201811037745A CN109262931A CN 109262931 A CN109262931 A CN 109262931A CN 201811037745 A CN201811037745 A CN 201811037745A CN 109262931 A CN109262931 A CN 109262931A
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- China
- Prior art keywords
- stay tube
- rubber
- lid
- interior stay
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
- B29C43/183—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles the preformed layer being a lining, e.g. shaped in the mould before compression moulding, or a preformed shell adapted to the shape of the mould
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
Abstract
The invention proposes a kind of high voltage bearing lining of pipe line molding machine and forming methods, the pipeline of flange is equipped with including both ends, interior stay tube in pipeline and the first lid and the second lid being cooperatively connected respectively with two end flanges, interior stay tube one end is equipped with the injection pressure hole for injected media, interior stay tube is equipped with several through-holes, the first cavity and the second cavity of indent are respectively arranged on the end face of first lid and the second lid and flanged joint, compress equipped with dusty material and be in the preloading block of half-formed shape in first cavity and the second cavity in advance, the end face of preloading block and companion flange fits, inner support pipe sleeve is equipped with rubber bulb, the compression chamber for adding dusty material is formed between rubber bulb and pipeline, after rubber bulb both ends are extended by interior stay tube side wall along the outer end face of preloading block outward respectively, fold inward and port plaster is together in interior Between stay tube and rubber bulb, form annular rubber grommet.
Description
Technical field
The present invention relates to a kind of high voltage bearing lining of pipe line molding machine and its forming methods.
Background technique
Lining of pipe line can satisfy requirement of the pipeline for property, in the prior art with dusty material processing lining at
Type is typically all to be provided with interior stay tube in pipeline and be arranged with rubber bulb on interior stay tube, and be provided with sealing on flange
Sealing cover, is fixed on flange by bolt, several through-holes is provided on interior stay tube, by rubber bulb and inner wall of the pipe by lid
Between inject dusty material, further inject fluid media (medium) in interior stay tube, and internally pressurization in stay tube, will be flowed by high pressure
Body medium squeeze, fluid media (medium) squeeze rubber bulb by the through-hole outflow on interior stay tube, to realize that rubber bulb squeezes powder and makes
Lining molding.
In the prior art to the high-quality of lining of pipe line pressure size and the molding lining of its injection in process
Bad directly proportional, pressure is bigger, and lining quality is better.General processing method is that rubber bulb is open against sealing cover, the two of rubber bulb
Forced seal is realized by the fixed rubber bag both ends of tools for bolts ' pretension between flange and sealing cover in end.It is arrived when to pressure
When up to critical value, leakproofness can fail, and medium can be revealed, if continuing to pressurize, pressure can not be promoted again.
Summary of the invention
Based on the above issues, it is an object of that present invention to provide a kind of suitable for the pipeline of major diameter, lining quality is high, produces
High-efficient, convenient and efficient and high voltage bearing lining molding machine and forming method.
In view of the above problems, providing following technical solution: a kind of high voltage bearing lining of pipe line molding machine, including both ends
Pipeline equipped with flange, the interior stay tube in pipeline and the first lid being cooperatively connected respectively with two end flanges and the second lid
Body, described interior stay tube one end be equipped with for injected media injection pressure hole, the interior stay tube be equipped with several through-holes, described first
The first cavity and the second cavity of indent, first chamber are respectively arranged on the end face of lid and the second lid and flanged joint
Body and the interior preloading block for compressing equipped with dusty material and be in half-formed shape in advance of the second cavity, the preloading block and companion flange
End face fits, and the inner support pipe sleeve is equipped with rubber bulb, is formed between the rubber bulb and pipeline for adding dusty material
Compression chamber, after the rubber bulb both ends are extended by interior stay tube side wall along the outer end face of preloading block outward respectively, fold inward and
Port plaster together between interior stay tube and rubber bulb, formed annular rubber grommet, the rubber grommet include be located at the first chamber it is intracorporal
First rubber grommet and be located at intracorporal second rubber grommet of the second chamber.
In above structure, by will be fitted between interior stay tube and rubber bulb after the fold of rubber bulb both ends, to make rubber
One is formd between bag and interior stay tube for injected media and the strong medium cavity of leakproofness, when suppressing, rubber grommet expansion,
Medium squeezes the inside stay tube direction in rubber central port, and when pressure is bigger, rubber central port is bonded more with interior stay tube side wall
Tightly, leakproofness is stronger, so that medium be avoided to flow out, realizes the effect of self-tightening sealing.Whole device in process can
Enough reach higher pressure, so that lining after molding be made to have many advantages, such as that density is big, intensity is high, long service life, is suitable for
The large-scale pipeline present invention further setting being relatively large in diameter is processed, the port of the rubber grommet is binded on interior stay tube side wall.
The present invention is further arranged, and the side opposite with interior stay tube of the rubber grommet is equipped with lip of the surface with dentalation
Mouthful, the lip is butted on interior stay tube side wall.
In above structure, by the way that the lip of dentalation is arranged, there is preferable sealing effect, when rubber grommet is passed through medium
After expansion, the lip power that stay tube direction is squeezed inwardly, when pressure is bigger, lip is bonded tighter with interior stay tube, from
And make the leakproofness of rubber bulb stronger.
The present invention is further arranged to, and further includes protection cap, and the protection cap has a cavity open at one end, is used
When be sheathed on interior stay tube one end and be adapted with internal diameter of the pipeline, the rubber grommet can be accommodated in protection cap, outside the protection cap
Side wall is recessed several notches in the longitudinal direction, is formed between the notch and inner wall of the pipe for pouring into dusty material
Plus powder channel.
In above structure, the cavity in protection cap is set in one end of interior stay tube, and protection cap can prevent from wearing interior stay tube
When piping, rubber grommet, which touches inner wall of the pipe, causes rubber grommet to wear, when interior stay tube is put into pipeline, protection cap
It is in contact with inner support inside pipe wall and realizes the centralized positioning of internal stay tube, ensure that the pressure formed between interior stay tube and the inner wall of pipeline
Contracting cavity area is impartial, ensure that the quality of lining of pipe line processing, is formed between notch and inner wall of the pipe and adds powder channel, adds powder channel
For to injecting dusty material in compression chamber.
The present invention is further arranged to, described interior stay tube one end be equipped with interconnecting piece, the interconnecting piece pass through the second lid and
The connection of interior stay tube and the second lid is realized by nut.
The present invention is further arranged to, and described interior stay tube one end is equipped with dismountable blocker ring, the blocker ring and inner support
Pipe screw thread connection.
In above structure, after the completion of suppressing, between the outer diameter and lining of interior stay tube there are gap it is smaller, when pipeline pulls out
When out, the rubber grommet of one end will pass through out of interior stay tube and lining, will be easy to be stuck between interior stay tube and lining, by setting
Blocker ring is set, reduces the area of section of inner support tube end after removing blocker ring, keeps for rubber grommet certain space, make rubber
Ring is lighter when taking out, and facilitates the disassembly of pipeline.
The present invention is further arranged to, and the interior stay tube both ends are arranged with rubber pad, and the rubber pad includes being located at
The first rubber pad and the second rubber pad of first cavity bottom, the second cavity bottom, and it is located at the first rubber grommet, the second rubber
Third rubber pad, the 4th rubber pad between ring and corresponding preloading block.
In above structure, rubber grommet expanded thickness can be thinning, and hardness is higher after precompressed formation of lots, and surface has lump,
Rubber grommet is easy to be punctured, and medium is caused to leak out, and is used to protect rubber grommet by the way that rubber pad is arranged in rubber grommet two sides, pass through
Rubber pad squeezes preloading block and makes the end face of preloading block more smooth.
The present invention is further arranged to, and the upper cover cavity and lower cover cavity are set as big round table-like of bottom osculum.
In above structure, by setting big round table-like of bottom osculum for upper cover cavity and lower cover cavity, convenient for upper cover with
The disassembly of lower cover.
According to the above problem, the invention proposes a kind of processing methods of lining of pipe line, have following steps:
(1) prepare: by rubber bulb on inner support pipe sleeve, after rubber bulb both ends are extended by interior stay tube side wall outward respectively,
Fold inward and port plaster is together between interior stay tube and rubber bulb, is respectively formed the first rubber grommet and the second rubber grommet, by inner support
Pipe puts on the second rubber pad and the 4th rubber pad respectively, and the second rubber grommet is between the second rubber pad and the 4th rubber pad, even
Socket part passes through the second lid, is arranged nut in interconnecting piece end, realizes that interior stay tube is connect with the second lid；
(2) it fills preloading block: being put into preloading block in the second cavity and be placed on the 4th rubber pad；
(3) casing: upper protection cap is covered far from one end of interconnecting piece in interior stay tube, the first rubber grommet is fully inserted into protection cap
It is interior, then upper pipeline is covered from one end that inner support pipe sleeve is equipped with protection cap, until the second lid flange corresponding with pipeline offsets, then
Pipeline and the second lid are bolted；
(4) fall powder: by assembled device mentioned above place vertically and the second lid downward, by add powder channel to
Dusty material is gradually poured into compression chamber until dusty material height and slightly below pipeline top flange end face, then unload protection
Lid, then dusty material is added until dusty material height is slightly above pipeline top flange end face, then in pipeline top flange
Put preloading block in end face；
(5) it fills the first lid: covering upper first rubber pad and third rubber pad, the first rubber grommet position respectively at the top of interior stay tube
Between the first rubber pad and third rubber pad, blocker ring then is loaded at the top of interior stay tube, then cover the first lid, the first rubber
Rubber mat is located at the first cavity bottom, and then the first lid is bolted with pipeline；
(6) it suppresses: being passed through medium in injection pressure hole, pressure is gradually risen up to preset pressure and within the preset time
Keep the pressure；
(7) release: the medium of injection is discharged, until pressure drains；
(8) it unloads lid: first unloading the bolt between the first lid and pipeline, then unload the first lid, then unload blocker ring,
Then the first rubber pad and third rubber pad are unloaded, the bolt between the second lid and pipeline is then unloaded；
(9) outlet pipe: pipeline is pulled out from one end that interior stay tube is equipped with blocker ring.
Beneficial effects of the present invention: by will be fitted between interior stay tube and rubber bulb after the fold of rubber bulb both ends, thus
Make to form one between rubber bulb and interior stay tube for injected media and the strong medium cavity of leakproofness, when suppressing, rubber
Ring expansion, medium squeezes the inside stay tube direction in rubber central port, and when pressure is bigger, rubber central port and interior stay tube side wall are pasted
Close tighter, leakproofness is stronger, so that medium be avoided to flow out, realizes the effect of self-tightening sealing.Whole device is processed
Higher pressure can be reached in journey, so that lining after molding be made to have many advantages, such as that density is big, intensity is high, long service life.
The present apparatus is suitable for processing the large-scale pipeline being relatively large in diameter.It is used to protect rubber grommet by the way that rubber pad is arranged in rubber grommet two sides,
Squeezing preloading block by rubber pad makes the end face of preloading block more smooth.It is in contact by setting protection cap with inner support inside pipe wall
The centralized positioning for realizing internal stay tube ensure that the compression chamber distance formed between interior stay tube and the inner wall of pipeline is impartial, guarantee
The quality of lining of pipe line processing.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of high voltage bearing lining molding machine in the present invention；
Fig. 2 is the schematic diagram for " adding preloading block " in high voltage bearing lining of pipe line forming method in the present invention；
Fig. 3 is the schematic diagram of " casing " in high voltage bearing lining of pipe line forming method in the present invention；
Fig. 4 is the schematic diagram of " powder " in high voltage bearing lining of pipe line forming method in the present invention；
Fig. 5 is the schematic diagram for " filling the first lid " in high voltage bearing lining of pipe line forming method in the present invention；
Fig. 6 is the schematic diagram " suppressed " in high voltage bearing lining of pipe line forming method in the present invention；
Fig. 7 is the schematic diagram of " release " in high voltage bearing lining of pipe line forming method in the present invention；
Fig. 8 is the schematic diagram for " unloading lid " in high voltage bearing lining of pipe line forming method in the present invention；
Fig. 9 is the schematic diagram of " outlet pipe " in high voltage bearing lining of pipe line forming method in the present invention；
Figure 10 is the schematic diagram of the section structure of lip in the present invention；
Figure 11 is the structural schematic diagram that visual angle is overlooked when the protection cap cooperation in the present invention.
Figure label meaning: 1- pipeline；11- flange；Stay tube in 2-；21- rubber bulb；The first rubber grommet of 211-；212-
One rubber grommet；22- through-hole；23- interconnecting piece；24- blocker ring；3- preloading block；The first lid of 31-；The first cavity of 311-；32-
Two lids；The second cavity of 321-；The first rubber pad of 41-；The second rubber pad of 42-；43- third rubber pad；The 4th rubber pad of 44-；
5- compression chamber；6- injection pressure hole；7- nut；8- lip；9- protection cap；91- adds powder channel.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of invention is described in further detail.Following embodiment
For illustrating the present invention, but it is not intended to limit the scope of the invention.
A kind of high voltage bearing lining of pipe line molding machine as shown in Figure 1 is equipped with the pipeline 1 of flange including both ends, is located at
Interior stay tube 2 in pipeline 1 and the first lid 31 and the second lid 32 being cooperatively connected respectively with two end flanges 11, the inner support
2 one end of pipe is equipped with the injection pressure hole 6 for injected media, and the interior stay tube 2 is equipped with several through-holes 22, first lid 31
The first cavity 311 and the second cavity 321 of indent are respectively arranged on the end face connecting with the second lid 32 with flange 11, it is described
Compress equipped with dusty material and be in the preloading block 3 of half-formed shape, the precompressed in first cavity 311 and the second cavity 321 in advance
Block 3 and the end face of companion flange 11 fit, and the interior stay tube 2 is arranged with rubber bulb 21, between the rubber bulb 21 and pipeline 1
The compression chamber 5 for adding dusty material is formed, 21 both ends of rubber bulb are respectively along the outer end face of preloading block 3 by interior stay tube 2
After side wall extends outward, fold inward and port plaster together between interior stay tube 2 and rubber bulb 11, form the rubber grommet of annular,
The rubber grommet includes the first rubber grommet 211 in the first cavity 311 and the second rubber grommet in the second cavity 321
212。
In above structure, by will be fitted between interior stay tube 2 and rubber bulb 21 after the fold of 21 both ends of rubber bulb, to make
One is formd between rubber bulb 21 and interior stay tube 2 for injected media and the strong medium cavity of leakproofness, when suppressing, rubber
Ring 21 expands, and medium squeezes inside 2 direction of stay tube in 21 port of rubber grommet, when pressure is bigger, 21 port of rubber grommet and inner support
2 side wall of pipe is bonded tighter, and leakproofness is stronger, so that medium be avoided to flow out, realizes the effect of self-tightening sealing.Whole device
Higher pressure can be reached in process, density is big, intensity is high, long service life so that lining after molding be made to have
The advantages that, suitable for processing the large-scale pipeline being relatively large in diameter.
In the present embodiment, the port of the rubber grommet is binded on interior 2 side wall of stay tube.
In the present embodiment, the side opposite with interior stay tube 2 of the rubber grommet is equipped with lip 7 of the surface with dentalation,
The lip 7 is butted on interior 2 side wall of stay tube.
In above structure, by the way that the lip 8 of dentalation is arranged, there is preferable sealing effect, when rubber grommet is passed through Jie
After matter expansion, the power that stay tube direction is squeezed inwardly of lip 9, when pressure is bigger, lip 8 is bonded more with interior stay tube 2
Tightly, so that the leakproofness of rubber bulb 21 is stronger.
It further include protection cap 9 in the present embodiment, the protection cap 9 has a cavity open at one end, and when use is arranged
It is adapted in interior 2 one end of stay tube and with 1 internal diameter of pipeline, the rubber grommet can be accommodated in protection cap 9,9 outside of protection cap
Wall is recessed several notches in the longitudinal direction, is formed between 1 inner wall of the notch and pipeline for pouring into dusty material
Plus powder channel 91.
In above structure, the cavity in protection cap 9 is set in one end of interior stay tube 2, and protection cap 9 can be prevented interior stay tube
2 pass through pipeline 1 when, rubber grommet, which touches 1 inner wall of pipeline, causes rubber grommet to wear, and is put into pipeline 1 by interior stay tube 2
When, protection cap 9 is in contact with interior 2 inner wall of stay tube and realizes the centralized positioning of internal stay tube 2, ensure that the interior of interior stay tube 2 and pipeline 1
The compression cavity area formed between wall is impartial, ensure that the quality of 1 lining of pipeline processing, is formed and is added between notch and inner wall of the pipe
Powder channel 91 adds powder channel 91 for injecting dusty material in compression chamber.
In the present embodiment, described interior 2 one end of stay tube is equipped with interconnecting piece 23, and the interconnecting piece 23 passes through the second lid 32 and leads to
Cross the connection that nut 7 realizes interior stay tube 2 and the second lid 32.
In the present embodiment, described interior 2 one end of stay tube is equipped with dismountable blocker ring 24, the blocker ring 24 and interior stay tube 2
It is threadedly coupled.
In above structure, after the completion of suppressing, between the outer diameter and lining of interior stay tube 2 there are gap it is smaller, when pipeline 1
When extraction, the rubber grommet of one end will pass through out of interior stay tube 2 and lining, will be easy to be stuck between interior stay tube 2 and lining, lead to
Setting blocker ring 24 is crossed, reduces the area of section of interior 2 end of stay tube after removing blocker ring 24, keeps for rubber grommet centainly empty
Between, it is lighter when taking out rubber grommet, facilitate the disassembly of pipeline 2.
In the present embodiment, interior 2 both ends of stay tube are arranged with rubber pad, and the rubber pad includes being located at the first cavity
The first rubber pad 41 and the second rubber pad 42 of 311 bottoms, 321 bottom of the second cavity, and it is located at the first rubber grommet 211, the
Third rubber pad 43, the 4th rubber pad 44 between two rubber grommets 212 and corresponding preloading block 3.
In above structure, 21 expanded thickness of rubber grommet can be thinning, and hardness is higher after precompressed formation of lots, and surface has firmly
Block, rubber grommet are easy to be punctured, and medium is caused to leak out, and are used to protect rubber grommet by the way that rubber pad is arranged in rubber grommet two sides,
Squeezing preloading block 3 by rubber pad makes the end face of preloading block 3 more smooth.
In the present embodiment, the upper cover cavity 311 and lower cover cavity 321 are set as big round table-like of bottom osculum.
In above structure, by setting big round table-like of bottom osculum for upper cover cavity 311 and lower cover cavity 321, it is convenient for
The disassembly of upper cover 31 and lower cover 32.
As illustrated in figs. 2 through 8, the invention proposes a kind of processing methods of high voltage bearing lining of pipe line, have following steps:
Prepare: interior stay tube 2 being put on into rubber bulb 21,21 both ends of rubber bulb are extended by interior 2 side wall of stay tube outward respectively
Afterwards, fold inward and port plaster is together between interior stay tube 2 and rubber bulb 21, is respectively formed the first rubber grommet 211 and the second rubber
Interior stay tube 2 is put on the second rubber pad 42 and the 4th rubber pad 44 by ring 212 respectively, and the second rubber grommet 212 is located at the second rubber pad
42 and the 4th between rubber pad 44, interior stay tube 2 and the second cavity bottom 321 are offseted, and interconnecting piece 23 passes through the second lid 32,
23 end of interconnecting piece is arranged nut 7 to realize that interior stay tube 2 is connect with the second lid 32；
Dress preloading block: preloading block is put into the second cavity 321 and is placed on 44 on the 4th rubber pad；
Casing: upper protection cap 9 is covered far from one end of interconnecting piece 23 in interior stay tube 2, the first rubber grommet 211 is fully inserted into guarantor
It in protecting cover 9, then is covered from one end that interior stay tube 2 is arranged with protection cap 9 and goes up pipeline 1, until the second lid 32 method corresponding with pipeline 1
Orchid 11 offsets, and then pipeline 1 and the second lid 32 are bolted；
Powder: by assembled device mentioned above place vertically and the second lid 32 downward, by adding powder channel 91
Dusty material is gradually poured into compression chamber 5 until dusty material height and slightly below 1 top flange of pipeline, 11 end face, are then unloaded
Lower protection cap 9, then dusty material is added until dusty material height is slightly above 1 top flange of pipeline, 11 end face, then in pipeline 1
Put preloading block 3 in 11 upper surface of top flange；
It fills the first lid: covering upper first rubber pad 41 and third rubber pad 43, the first rubber grommet respectively at interior 2 top of stay tube
Blocker ring 24 is then loaded at the top of interior stay tube 2 211 between the first rubber pad 41 and third rubber pad 43 in position, then covers the
One lid 31, the first rubber pad 41 are located at 311, the first cavity bottom, then the first lid 31 are bolted with pipeline 1；
It suppresses: being passed through medium in injection pressure hole 6, pressure is gradually risen up to preset pressure and protected within the preset time
Hold the pressure；
Release: the medium of injection is discharged, until pressure drains and rubber bulb 11 is contracted to and fits with interior stay tube side wall
State；
It unloads lid: first unloading the bolt between the first lid 31 and pipeline 1, then unload the first lid 31, then unload first
Rubber pad 41 and third rubber 43 pad, and then unload blocker ring 24, then unload the bolt between the second lid 32 and pipeline 1；
Outlet pipe: pipeline 1 is pulled out from one end that interior stay tube 2 is equipped with blocker ring 24.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, above-mentioned hypothesis these
Improvement and modification also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of high voltage bearing lining of pipe line molding machine is equipped with pipeline, the interior stay tube in pipeline of flange including both ends
And the first lid and the second lid being cooperatively connected respectively with two end flanges, described interior stay tube one end, which is equipped with, is used for injected media
Injection pressure hole, the interior stay tube is equipped with several through-holes, which is characterized in that first lid and the second lid and flange connect
It is respectively arranged with the first cavity and the second cavity of indent on the end face connect, is equipped with powder in first cavity and the second cavity
Material compresses in advance and is in the preloading block of half-formed shape, and the end face of the preloading block and companion flange fits, the interior stay tube
It is arranged with rubber bulb, forms the compression chamber for adding dusty material, the rubber bulb both ends between the rubber bulb and pipeline
After being extended outward by interior stay tube side wall along the outer end face of preloading block respectively, fold inward and port plaster is together in interior stay tube and rubber
Between bag, annular rubber grommet is formed, the rubber grommet includes positioned at intracorporal first rubber grommet of the first chamber and being located at the second chamber
Intracorporal first rubber grommet.
2. a kind of high voltage bearing lining of pipe line molding machine according to claim 1, which is characterized in that the rubber grommet
It binds in interior stay tube side wall port.
3. a kind of high voltage bearing lining of pipe line molding machine according to claim 1, which is characterized in that the rubber grommet
The side opposite with interior stay tube is equipped with lip of the surface with dentalation, and the lip is butted on interior stay tube side wall.
4. a kind of high voltage bearing lining of pipe line molding machine according to claim 1, which is characterized in that further include protection
Lid, the protection cap have a cavity open at one end, and when use is sheathed on interior stay tube one end and is adapted with internal diameter of the pipeline,
The rubber grommet can be accommodated in protection cap, and the protection cap lateral wall is recessed several notches, institute in the longitudinal direction
It states and is formed between notch and inner wall of the pipe for pour into dusty material plus powder channel.
5. a kind of high voltage bearing lining of pipe line molding machine according to claim 1, which is characterized in that the interior stay tube one
End is equipped with interconnecting piece, and the interconnecting piece passes through the second lid and realizes the connection of interior stay tube and the second lid by nut.
6. a kind of high voltage bearing lining of pipe line molding machine according to claim 1, which is characterized in that the interior stay tube one
End is equipped with dismountable blocker ring, and the blocker ring is connect with inner support pipe screw thread.
7. a kind of high voltage bearing lining of pipe line molding machine according to claim 1, which is characterized in that the interior stay tube two
End cap be equipped with rubber pad, the rubber pad include be located at the first cavity bottom, the second cavity bottom the first rubber pad with
Second rubber pad, and the third rubber pad between the first rubber grommet, the second rubber grommet and corresponding preloading block, the 4th rubber
Rubber mat.
8. a kind of high voltage bearing lining of pipe line molding machine according to claim 1, which is characterized in that the upper cover cavity
Big round table-like of bottom osculum is set as with lower cover cavity.
9. a kind of forming method of lining of pipe line according to any one of claims 1 to 8, which is characterized in that including just like
Lower step:
(1) prepare: by rubber bulb on inner support pipe sleeve, after rubber bulb both ends are extended by interior stay tube side wall outward respectively, inwardly
It turns down and port plaster is together between interior stay tube and rubber bulb, be respectively formed the first rubber grommet and the second rubber grommet, by interior stay tube point
The second rubber pad and the 4th rubber pad are not put on, and the second rubber grommet is between the second rubber pad and the 4th rubber pad, interconnecting piece
Across the second lid, it is arranged nut in interconnecting piece end, realizes that interior stay tube is connect with the second lid；
(2) it fills preloading block: being put into preloading block in the second cavity and be placed on the 4th rubber pad；
(3) casing: covering upper protection cap far from one end of interconnecting piece in interior stay tube, the first rubber grommet be fully inserted into protection cap,
Upper pipeline is covered from one end that inner support pipe sleeve is equipped with protection cap again, until the second lid flange corresponding with pipeline offsets, then will
Pipeline is bolted with the second lid；
(4) fall powder: by assembled device mentioned above place vertically and the second lid downward, by adding powder channel to compression
Then the intracavitary dusty material that is gradually poured into unloads protection cap up to dusty material height and slightly below pipeline top flange end face,
Dusty material is added again until dusty material height is slightly above pipeline top flange end face, then in pipeline top flange upper surface
Put preloading block；
(5) it fills the first lid: covering upper first rubber pad and third rubber pad respectively at the top of interior stay tube, the first rubber grommet is positioned at the
Between one rubber pad and third rubber pad, blocker ring is then loaded at the top of interior stay tube, then covers the first lid, the first rubber pad
Positioned at the first cavity bottom, then the first lid is bolted with pipeline；
(6) it suppresses: being passed through medium in injection pressure hole, pressure is gradually risen up to preset pressure and kept within the preset time
The pressure；
(7) release: the medium of injection is discharged, until pressure drains；
(8) it unloads lid: first unloading the bolt between the first lid and pipeline, then unload the first lid, then unload blocker ring, then
The first rubber pad and third rubber pad are unloaded, the bolt between the second lid and pipeline is then unloaded；
(9) outlet pipe: pipeline is pulled out from one end that interior stay tube is equipped with blocker ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037745.XA CN109262931B (en) | 2018-09-06 | 2018-09-06 | High-pressure-resistant pipeline lining forming device and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037745.XA CN109262931B (en) | 2018-09-06 | 2018-09-06 | High-pressure-resistant pipeline lining forming device and forming method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109262931A true CN109262931A (en) | 2019-01-25 |
| CN109262931B CN109262931B (en) | 2023-06-02 |
Family
ID=65188058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811037745.XA Active CN109262931B (en) | 2018-09-06 | 2018-09-06 | High-pressure-resistant pipeline lining forming device and forming method thereof |
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| US3207644A (en) * | 1959-07-20 | 1965-09-21 | Garlock Inc | Method of making a fluorocarbon resin jacketed gasket |
| US3577842A (en) * | 1968-07-04 | 1971-05-11 | Matsushita Electric Ind Co Ltd | Apparatus for compression molding a powder within a container |
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| US3698422A (en) * | 1970-05-06 | 1972-10-17 | Union Pump Co | Lined plug valve |
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| GB1498482A (en) * | 1974-08-08 | 1978-01-18 | Maximilianshuette Eisenwerk | Metal refining vessels |
| CA1084224A (en) * | 1979-08-21 | 1980-08-26 | Perry N. Brittain | Process for lining high pressure pipeline |
| DE2935514A1 (en) * | 1979-09-03 | 1981-04-09 | Ernst Dr. 6250 Limburg Schnabel | Lining metal T=piece tube with PTFE - main and branch liners are end flanged, inserted and welded together |
| EP0066833A1 (en) * | 1981-06-02 | 1982-12-15 | Nippon Steel Corporation | Powder conveying pipe |
| JPS62167027A (en) * | 1986-01-17 | 1987-07-23 | Sekisui Chem Co Ltd | Lining of flanged tube |
| JPH01215830A (en) * | 1988-02-23 | 1989-08-29 | Honda Motor Co Ltd | Production of pad for disk brake |
| JPH0551608A (en) * | 1991-08-23 | 1993-03-02 | Kobe Steel Ltd | Production of metallic capsule for producing composite tube |
| CN2116575U (en) * | 1992-03-04 | 1992-09-23 | 何报翔 | Steel pipe rubber line capsule forming method and device |
| JPH07156270A (en) * | 1993-12-10 | 1995-06-20 | Nippon Valqua Ind Ltd | Manufacture of fluororesin coating |
| WO1995019853A1 (en) * | 1994-01-25 | 1995-07-27 | Queensland Heavy Duty Coating Pty. Ltd. | Applying coatings to tubing interiors |
| WO1998039592A2 (en) * | 1997-03-03 | 1998-09-11 | Oil States Industries (Uk) Limited | Apparatus and methods for lining of pipes |
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| CN103112195A (en) * | 2013-01-31 | 2013-05-22 | 成都易态科技有限公司 | Isostatic pressing filter element molding die and end sealing elements thereof |
| CN203863897U (en) * | 2014-05-06 | 2014-10-08 | 浙江菲达通球环保管业有限公司 | Positioning device for improving mould pressing concentricity of steel lined polytetrafluoroethylene pipe and pipe fittings |
| EP2987594A1 (en) * | 2014-08-14 | 2016-02-24 | WISAG Produktionsservice GmbH | Separating device for a composite workpiece and method for separation of the composite workpiece with the separating device |
| CN204805753U (en) * | 2015-05-05 | 2015-11-25 | 上海恒盼流体设备有限公司 | Material pipe is thrown to outer lining in steel lining polytetrafluoroethylene compression molding |
| CN205991248U (en) * | 2016-07-05 | 2017-03-01 | 温州中普科技咨询有限公司 | A kind of pushing serves as a contrast four fluorine tube |
| CN106704727A (en) * | 2017-01-22 | 2017-05-24 | 江苏金晟元特种阀门股份有限公司 | Special fluoroplastic full-lining fastening straight pipeline for chlor-alkali chemical enterprises |
| CN107355602A (en) * | 2017-08-09 | 2017-11-17 | 镇江春环密封件集团有限公司 | A kind of steel lining polyfluortetraethylecomposite composite pipe structure |
| CN208714310U (en) * | 2018-09-06 | 2019-04-09 | 陈烈 | A kind of high voltage bearing lining of pipe line molding machine |
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| CN109262931B (en) | 2023-06-02 |
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