CN112406066A - Production process for controlling rigidity of Krah pipe ring - Google Patents
Production process for controlling rigidity of Krah pipe ring Download PDFInfo
- Publication number
- CN112406066A CN112406066A CN202011193438.8A CN202011193438A CN112406066A CN 112406066 A CN112406066 A CN 112406066A CN 202011193438 A CN202011193438 A CN 202011193438A CN 112406066 A CN112406066 A CN 112406066A
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- Prior art keywords
- pipe
- wall
- annular structure
- ring
- krah
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000001816 cooling Methods 0.000 claims description 19
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 7
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000005755 formation reaction Methods 0.000 claims 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 241000238097 Callinectes sapidus Species 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a production process for controlling the rigidity of a Krah pipe ring, which belongs to the technical field of Krah pipe production and comprises the following steps: s1, arranging a smooth plastic pipe in the middle of an extruding machine on the existing production extruding device, wherein the smooth plastic pipe is of a double-ring structure, and the double-ring structure is divided into a first ring structure and a second ring structure; s2, fixedly connecting the outer wall of the first annular structure with the inner wall of the extruding machine; s3, contacting the inner wall of the first annular structure with the outer wall of the extruded krah pipe to be produced; and S4, contacting the outer wall of the second annular structure with the inner wall of the extruded krabbe pipe to be produced. This control production technology of carat pipe ring rigidity, in can fully melting into the carat pipe with single-walled bellows, make the carat intraductal wall that finally forms be smooth structure, but not ripple, sawtooth structure, avoid the inside unevenness of carat pipe to form ripple or sawtooth, improve the production quality of carat pipe.
Description
Technical Field
The invention belongs to the technical field of Krah pipe production, and particularly relates to a production process for controlling rigidity of a Krah pipe ring.
Background
The O-shaped structure of the existing carat pipe is adopted, the first layer of the carat pipe is planar, the second layer of the carat pipe is an O-shaped ring, the O-shaped ring is made of soft materials, the inner wall of each carat pipe is provided with a single-wall corrugated pipe (zigzag), and the purpose of the O-shaped ring is to improve the carat pipe, so that the supporting effect on the O-shaped ring can be effectively realized, and the ring rigidity of the carat pipe is improved. However, in this way, after the manufactured krah tube is cooled, the single-wall corrugated tube and the krah tube are in a semi-separated state, which only can realize a supporting function and cannot provide too much contribution to the ring stiffness; secondly, in the production process, because the soft material of the O-shaped ring, the PE material of the first layer of the Clar pipe and the like are in a flowing structure in the manufacturing process, the inner wall of the Clar pipe can also be in a corrugated shape or a sawtooth shape after cooling, and the use effect of the Clar pipe is seriously influenced.
To this end, we propose a manufacturing process for controlling the stiffness of a krah pipe loop to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a production process for controlling the rigidity of a krah pipe ring, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a production process for controlling the rigidity of a krah pipe ring comprises the following steps:
s1, arranging a smooth plastic pipe in the middle of an extruding machine on the existing production extruding device, wherein the smooth plastic pipe is of a double-ring structure, and the double-ring structure is divided into a first ring structure and a second ring structure;
s2, fixedly connecting the outer wall of the first annular structure with the inner wall of the extruding machine;
s3, contacting the inner wall of the first annular structure with the outer wall of the extruded krah pipe to be produced;
s4, contacting the outer wall of the second annular structure with the inner wall of the extruded krah pipe to be produced;
s5, communicating a second connecting pipe on the surface of the second annular structure;
s6, communicating a first connecting pipe on the surface of the first annular structure;
s7, after the structures are connected, the single-wall corrugated pipe can be fully fused into the Krah pipe to be produced, and finally the Krah pipe product is formed.
Further optimize this technical scheme, through the mode of strong magnetism between second annular structure and the first annular structure and fix the second annular structure suspension on the inner wall of extruding machine.
Further optimize this technical scheme, the inside of first annular structure and second annular structure is hollow structure and designs, the inside of first annular structure and second annular structure's hollow structure is used for setting up the coolant liquid.
Further optimize this technical scheme, the hollow structure of first annular structure and second annular structure communicates with the outside cooler bin that sets up of production extrusion molding device.
Further optimize this technical scheme, first annular structure's hollow structure communicates through first connecting pipe and external cooler bin, second annular structure's hollow structure communicates through second connecting pipe and external cooler bin.
Further optimizing the technical scheme, the smooth shaping pipe composed of the first annular structure and the second annular structure utilizes an external cooling box to supply and cool the cooling liquid in the hollow structure.
Further optimizing the technical scheme, the cooling liquid can be selected as cooling oil.
Further optimizing the technical scheme, the gap between the first annular structure and the second annular structure of the smooth plastic pipe is smaller than the wall thickness of the Krah pipe to be produced.
Compared with the prior art, the invention provides a production process for controlling the rigidity of a Krah pipe ring, which has the following beneficial effects:
this control production technology of carat pipe ring rigidity, through this technology single-walled bellows can fully fuse in the carat pipe, make the carat pipe inner wall that finally forms be smooth structure, but not ripple, sawtooth structure, can improve the ring rigidity of carat pipe on the one hand, on the other hand also can avoid the inside unevenness of carat pipe to form ripple or sawtooth shape, improves the production quality of carat pipe.
Drawings
FIG. 1 is a schematic diagram of a structural connection of a manufacturing process for controlling stiffness of a Krah pipe ring in accordance with the present invention;
FIG. 2 is a schematic view of another structural connection of a manufacturing process for controlling the stiffness of a Krah pipe ring according to the present invention.
In the figure: 1. producing an extrusion molding device; 2. a plastic extruding machine; 3. a first annular structure; 4. a second annular structure; 5. waiting for producing the Krah pipe; 6. a second connecting pipe; 7. a first connecting pipe; 8. an inner screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a manufacturing process for controlling the stiffness of a krah pipe loop includes the following steps:
s1, arranging a smooth plastic pipe in the middle of an extruding machine 2 on the existing production extruding device 1, wherein the smooth plastic pipe is of a double-ring structure, and the double-ring structure is divided into a first ring structure 3 and a second ring structure 4;
s2, fixedly connecting the outer wall of the first annular structure 3 with the inner wall of the extruding machine 2;
s3, contacting the inner wall of the first annular structure 3 with the outer wall of the extruded krah pipe 5 to be produced;
s4, contacting the outer wall of the second annular structure 4 with the inner wall of the extruded krah pipe 5 to be produced;
s5, communicating the second connecting pipe 6 on the surface of the second annular structure 4;
s6, communicating the first connecting pipe 7 on the surface of the first annular structure 3;
and S7, after the structures are connected, the single-wall corrugated pipe can be fully fused into the Krah pipe 5 to be produced, and finally a Krah pipe product is formed.
Specifically, the second annular structure 4 is suspended and fixed on the inner wall of the extruding machine 2 between the second annular structure 4 and the first annular structure 3 in a strong magnetic attraction mode.
Specifically, the interiors of the first annular structure 3 and the second annular structure 4 are both designed to be hollow structures, and the interiors of the hollow structures of the first annular structure 3 and the second annular structure 4 are used for arranging cooling liquid.
Specifically, the hollow structures of the first annular structure 3 and the second annular structure 4 are communicated with a cooling tank arranged outside the production extrusion molding device 1.
Specifically, the hollow structure of the first annular structure 3 is communicated with an external cooling tank through a first connecting pipe 7, and the hollow structure of the second annular structure 4 is communicated with the external cooling tank through a second connecting pipe 6.
Specifically, the smooth shaping pipe composed of the first annular structure 3 and the second annular structure 4 supplies and cools the cooling liquid in the hollow structure by using an external cooling tank.
In particular, the cooling fluid may be selected to be cooling oil.
In particular, the gap between the first annular structure 3 and the second annular structure 4 of the smooth-shaped pipe is smaller than the wall thickness of the carat pipe 5 to be produced.
Example two:
referring to fig. 2, a manufacturing process for controlling the stiffness of a krah pipe ring includes the following steps:
s1, arranging a smooth plastic pipe in the middle of an extruding machine 2 on the existing production extruding device 1, wherein the smooth plastic pipe is of a double-ring structure, and the double-ring structure is divided into a first ring structure 3 and a second ring structure 4;
s2, fixedly connecting the outer wall of the first annular structure 3 with the inner wall of the extruding machine 2;
s3, contacting the inner wall of the first annular structure 3 with the outer wall of the extruded krah pipe 5 to be produced;
s4, contacting the outer wall of the second annular structure 4 with the inner wall of the extruded krah pipe 5 to be produced;
s5, communicating the second connecting pipe 6 on the surface of the second annular structure 4;
s6, communicating the first connecting pipe 7 on the surface of the first annular structure 3;
and S7, after the structures are connected, the single-wall corrugated pipe can be fully fused into the Krah pipe 5 to be produced, and finally a Krah pipe product is formed.
Specifically, the inner wall of the second annular structure 4 is fixed with an inner screw 8 of the plastic extruding machine 2 to fix the second annular structure 4 on the inner wall of the plastic extruding machine 2 in a suspending manner, so as to be communicated with a cooling box arranged outside.
Specifically, the interiors of the first annular structure 3 and the second annular structure 4 are both designed to be hollow structures, and the interiors of the hollow structures of the first annular structure 3 and the second annular structure 4 are used for arranging cooling liquid.
Specifically, the hollow structures of the first annular structure 3 and the second annular structure 4 are communicated with a cooling tank arranged outside the production extrusion molding device 1.
Specifically, the hollow structure of the first annular structure 3 is communicated with an external cooling tank through a first connecting pipe 7, and the hollow structure of the second annular structure 4 is communicated with the external cooling tank through a second connecting pipe 6.
Specifically, the smooth shaping pipe composed of the first annular structure 3 and the second annular structure 4 supplies and cools the cooling liquid in the hollow structure by using an external cooling tank.
In particular, the cooling fluid may be selected to be cooling oil.
In particular, the gap between the first annular structure 3 and the second annular structure 4 of the smooth-shaped pipe is smaller than the wall thickness of the carat pipe 5 to be produced.
The invention has the beneficial effects that: this control production technology of carat pipe ring rigidity, through this technology single-walled bellows can fully fuse in the carat pipe, make the carat pipe inner wall that finally forms be smooth structure, but not ripple, sawtooth structure, can improve the ring rigidity of carat pipe on the one hand, on the other hand also can avoid the inside unevenness of carat pipe to form ripple or sawtooth shape, improves the production quality of carat pipe.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A production process for controlling the rigidity of a Krah pipe ring is characterized by comprising the following steps:
s1, arranging a smooth plastic pipe in the middle of an extruding machine (2) on the existing production extruding device (1), wherein the smooth plastic pipe is of a double-ring structure, and the double-ring structure is divided into a first ring structure (3) and a second ring structure (4);
s2, fixedly connecting the outer wall of the first annular structure (3) with the inner wall of the extruding machine (2);
s3, contacting the inner wall of the first annular structure (3) with the outer wall of the extruded krah pipe (5) to be produced;
s4, contacting the outer wall of the second annular structure (4) with the inner wall of the extruded krah pipe (5) to be produced;
s5, communicating a second connecting pipe (6) on the surface of the second annular structure (4);
s6, communicating a first connecting pipe (7) on the surface of the first annular structure (3);
and S7, after the structures are connected, the single-wall corrugated pipe can be fully fused into the Krah pipe (5) to be produced, and finally the Krah pipe product is formed.
2. A process for controlling the stiffness of a krah pipe loop as claimed in claim 1, wherein the second annular structure (4) is suspended and fixed on the inner wall of the extruder (2) by means of strong magnetic attraction between the second annular structure (4) and the first annular structure (3).
3. A process for controlling the stiffness of a krah pipe loop as claimed in claim 1, wherein the first annular structure (3) and the second annular structure (4) are both hollow structures designed with the hollow structures inside, and the first annular structure (3) and the second annular structure (4) are provided with a cooling liquid inside.
4. A process for controlling the stiffness of a carat pipe ring as claimed in claim 3, wherein the hollow formations of the first and second annular formations (3, 4) are in communication with a cooling tank provided outside the production extrusion device (1).
5. A process for controlling the stiffness of a Krah pipe ring as claimed in claim 4, wherein the hollow structure of the first annular structure (3) is connected to an external cooling tank through a first connecting pipe (7), and the hollow structure of the second annular structure (4) is connected to the external cooling tank through a second connecting pipe (6).
6. A process according to claim 4, wherein the smooth shaped tube of the first and second annular structures (3, 4) is used to supply and cool the coolant in the hollow structure with an external cooling tank.
7. A process according to claim 3, wherein the coolant is selected from cooling oil.
8. A process for controlling the stiffness of a pipe loop according to claim 1, wherein the smooth shaped pipe has a gap between the first (3) and second (4) annular structures that is less than the wall thickness of the pipe (5) to be produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011193438.8A CN112406066A (en) | 2020-10-30 | 2020-10-30 | Production process for controlling rigidity of Krah pipe ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011193438.8A CN112406066A (en) | 2020-10-30 | 2020-10-30 | Production process for controlling rigidity of Krah pipe ring |
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| Publication Number | Publication Date |
|---|---|
| CN112406066A true CN112406066A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011193438.8A Pending CN112406066A (en) | 2020-10-30 | 2020-10-30 | Production process for controlling rigidity of Krah pipe ring |
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| CN (1) | CN112406066A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0855263A2 (en) * | 1997-01-22 | 1998-07-29 | Hegler, Ralph-Peter, Dr.-Ing. | Method and apparatus for manufacturing a corrugated sheathing tube surrounding a fluid carrying conduit |
| CN1411983A (en) * | 2002-12-06 | 2003-04-23 | 甘国工 | Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive |
| CN106481901A (en) * | 2016-12-07 | 2017-03-08 | 鹤山联塑实业发展有限公司 | A kind of enhancing carat pipe and its manufacture method |
| CN108138993A (en) * | 2015-10-30 | 2018-06-08 | 欧罗装备有限责任公司 | Flexible hose |
-
2020
- 2020-10-30 CN CN202011193438.8A patent/CN112406066A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0855263A2 (en) * | 1997-01-22 | 1998-07-29 | Hegler, Ralph-Peter, Dr.-Ing. | Method and apparatus for manufacturing a corrugated sheathing tube surrounding a fluid carrying conduit |
| CN1411983A (en) * | 2002-12-06 | 2003-04-23 | 甘国工 | Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive |
| CN108138993A (en) * | 2015-10-30 | 2018-06-08 | 欧罗装备有限责任公司 | Flexible hose |
| CN106481901A (en) * | 2016-12-07 | 2017-03-08 | 鹤山联塑实业发展有限公司 | A kind of enhancing carat pipe and its manufacture method |
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Application publication date: 20210226 |
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