CN110576578A - Production process of super-silent PP (polypropylene) drainage pipe - Google Patents
Production process of super-silent PP (polypropylene) drainage pipe Download PDFInfo
- Publication number
- CN110576578A CN110576578A CN201910760433.XA CN201910760433A CN110576578A CN 110576578 A CN110576578 A CN 110576578A CN 201910760433 A CN201910760433 A CN 201910760433A CN 110576578 A CN110576578 A CN 110576578A
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- Prior art keywords
- pipe
- extruder
- silent
- heating
- machine
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
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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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0023—Combinations of extrusion moulding with other shaping operations combined with printing or marking
-
- 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
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
Abstract
the invention relates to a production process of an ultra-silent pp drainage pipe, which comprises the following steps: raw material import, drying, feeding, motor hot extrusion, shaping, cutting, marking, inspection, label spraying, inspection, packaging and warehousing; the invention has the advantages of high intelligent degree, high production efficiency, good product quality and no pollution.
Description
Technical Field
the invention belongs to the technical field of pipe production, and particularly relates to a production process of an ultra-silent pp drainage pipe.
Background
Along with the continuous improvement of living standard, the urbanization process is gradually accelerated, the demand for the pipe is also gradually increased, particularly, the plastic pipe for municipal and furniture construction is developed more quickly, the plastic pipe is steadily developed in the aspects of water supply, steam supply, pollution discharge and the like, the traditional cast iron pipe and cement pipe are gradually replaced, the PP pipe is nontoxic, corrosion-free, scaling-free, high-temperature-resistant, leak-free, light in weight, corrosion-resistant, smooth in inner wall, small in system pressure loss and high in water flow speed, and the PP pipe is widely applied to urban water supply, food, chemical industry, ore sand and slurry conveying; however, the conventional pp pipe produces a large amount of waste gas and dust during production, which causes certain environmental pollution and resource waste.
Disclosure of Invention
the invention aims to overcome the defects of the prior art and provide a production process of the pp drainage pipe with good quality, cleanness, no pollution and high production efficiency.
the purpose of the invention is realized as follows: a production process of an ultra-silent pp drainage pipe comprises the following steps:
The method comprises the following steps: a raw material inlet;
step two: drying, namely drying the pp particles before the pp particles enter an extruder;
Step three: feeding;
step four; carrying out hot extrusion by a motor, feeding the dried pp particles into an extruder, heating the raw materials by using a heating device equipped with the extruder, heating the material cylinder by using a resistance heating ring, carrying out temperature detection and control by using a galvanic couple in a segmented manner, carrying out melting plasticization on the raw materials by transferring heat inwards through the wall of the material cylinder, and extruding pp tubes by the extruder by using matched molds according to the requirements of different tube diameters and tube thicknesses;
Step five: shaping, namely immediately entering a vacuum shaping machine and a spray box for cooling and shaping after the pp pipe extruded by the extruder leaves the machine head, so as to avoid the pp pipe from deforming under the action of gravity;
step six: cutting and marking, wherein the cooled pp pipe is subjected to traction power by a traction machine and enters a cutting section, the cutting machine automatically cuts according to different set lengths, and the marking machine automatically sprays the pipe model information mark according to a set program;
Step seven: inspecting, namely packaging and warehousing the cut and marked pp pipes after the pp pipes are inspected to be qualified; and (4) detecting unqualified defective products, and recycling the defective products by a raw material supplier.
the heating temperature of the charging barrel is controlled at 150 ℃ and 180 ℃, so that the plastic is only melted and is not decomposed.
The extruding mode adopted by the extruder is a pipe three-layer co-extruding mode.
The marking machine is laser jet printing equipment.
The invention has the beneficial effects that: the invention adopts three-layer coextrusion process to manufacture the pipe, combines the selection of the raw materials of the pipe, achieves the effects of cleanness, no dust emission and no task pollution, the material cylinder is heated by a resistance heating ring, the temperature detection and control are carried out by sections of a couple, the raw materials are melted and plasticized by the inward heat transfer of the wall of the material cylinder, the temperature control can be ensured to be accurate, the heat is uniformly diffused, the heating temperature of the material cylinder is controlled to be 180 ℃, the plastic is only melted but not decomposed, the quality of the pp pipe is ensured, the pp pipe extruded by an extruder immediately enters a vacuum forming machine and a spray box for cooling and forming after leaving the head, the deformation of the pp pipe under the action of gravity can be avoided, the used cooling water is recycled after purification after use, the resources are saved, the environment pollution of waste water is avoided, the spray marking is carried out by using laser spray printing equipment, the invention is more environment-friendly, and the invention has high, High production efficiency, good product quality and no pollution.
drawings
FIG. 1 is a flow chart of a production process of the ultra-silent pp drainage pipe of the invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a production process of an ultra-silent pp drainage pipe comprises the following steps:
The method comprises the following steps: a raw material inlet;
step two: drying, namely drying the pp particles before the pp particles enter an extruder;
Step three: feeding;
Step four; carrying out hot extrusion by a motor, feeding the dried pp particles into an extruder, heating the raw materials by using a heating device equipped with the extruder, heating the material cylinder by using a resistance heating ring, carrying out temperature detection and control by using a galvanic couple in a segmented manner, carrying out melting plasticization on the raw materials by transferring heat inwards through the wall of the material cylinder, and extruding pp tubes by the extruder by using matched molds according to the requirements of different tube diameters and tube thicknesses;
step five: shaping, namely immediately entering a vacuum shaping machine and a spray box for cooling and shaping after the pp pipe extruded by the extruder leaves the machine head, so as to avoid the pp pipe from deforming under the action of gravity;
step six: cutting and marking, wherein the cooled pp pipe is subjected to traction power by a traction machine and enters a cutting section, the cutting machine automatically cuts according to different set lengths, and the marking machine automatically sprays the pipe model information mark according to a set program;
Step seven: inspecting, namely packaging and warehousing the cut and marked pp pipes after the pp pipes are inspected to be qualified; and (4) detecting unqualified defective products, and recycling the defective products by a raw material supplier.
The heating temperature of the charging barrel is controlled at 150 ℃ and 180 ℃, so that the plastic is only melted and is not decomposed.
the extruding mode adopted by the extruder is a pipe three-layer co-extruding mode.
the marking machine is laser jet printing equipment.
The invention has the beneficial effects that: the invention adopts three-layer coextrusion process to manufacture the pipe, combines the selection of the raw materials of the pipe, achieves the effects of cleanness, no dust emission and no task pollution, the material cylinder is heated by a resistance heating ring, the temperature detection and control are carried out by sections of a couple, the raw materials are melted and plasticized by the inward heat transfer of the wall of the material cylinder, the temperature control can be ensured to be accurate, the heat is uniformly diffused, the heating temperature of the material cylinder is controlled to be 180 ℃, the plastic is only melted but not decomposed, the quality of the pp pipe is ensured, the pp pipe extruded by an extruder immediately enters a vacuum forming machine and a spray box for cooling and forming after leaving the head, the deformation of the pp pipe under the action of gravity can be avoided, the used cooling water is recycled after purification after use, the resources are saved, the environment pollution of waste water is avoided, the spray marking is carried out by using laser spray printing equipment, the invention is more environment-friendly, and the invention has high, High production efficiency, good product quality and no pollution.
Claims (4)
1. a production process of an ultra-silent pp drainage pipe is characterized by comprising the following steps: the method comprises the following steps:
The method comprises the following steps: a raw material inlet;
step two: drying, namely drying the pp particles before the pp particles enter an extruder;
Step three: feeding;
step four; carrying out hot extrusion by a motor, feeding the dried pp particles into an extruder, heating the raw materials by using a heating device equipped with the extruder, heating the material cylinder by using a resistance heating ring, carrying out temperature detection and control by using a galvanic couple in a segmented manner, carrying out melting plasticization on the raw materials by transferring heat inwards through the wall of the material cylinder, and extruding pp tubes by the extruder by using matched molds according to the requirements of different tube diameters and tube thicknesses;
Step five: shaping, namely immediately entering a vacuum shaping machine and a spray box for cooling and shaping after the pp pipe extruded by the extruder leaves the machine head, so as to avoid the pp pipe from deforming under the action of gravity;
Step six: cutting and marking, wherein the cooled pp pipe is subjected to traction power by a traction machine and enters a cutting section, the cutting machine automatically cuts according to different set lengths, and the marking machine automatically sprays the pipe model information mark according to a set program;
Step seven: inspecting, namely packaging and warehousing the cut and marked pp pipes after the pp pipes are inspected to be qualified; and (4) detecting unqualified defective products, and recycling the defective products by a raw material supplier.
2. the process of claim 1, wherein the ultra silent pp drain pipe comprises: the heating temperature of the charging barrel is controlled at 150 ℃ and 180 ℃, so that the plastic is only melted and is not decomposed.
3. the process of claim 1, wherein the ultra silent pp drain pipe comprises: the extruding mode adopted by the extruder is a pipe three-layer co-extruding mode.
4. The process of claim 1, wherein the ultra silent pp drain pipe comprises: the marking machine is laser jet printing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760433.XA CN110576578A (en) | 2019-08-16 | 2019-08-16 | Production process of super-silent PP (polypropylene) drainage pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760433.XA CN110576578A (en) | 2019-08-16 | 2019-08-16 | Production process of super-silent PP (polypropylene) drainage pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110576578A true CN110576578A (en) | 2019-12-17 |
Family
ID=68811576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910760433.XA Pending CN110576578A (en) | 2019-08-16 | 2019-08-16 | Production process of super-silent PP (polypropylene) drainage pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110576578A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312154A (en) * | 2001-01-10 | 2001-09-12 | 吴卫平 | Making process and special equipment for three-layer composite heat-resisting muting pipe with inorganic filling |
| CN102345312A (en) * | 2011-07-15 | 2012-02-08 | 康泰塑胶科技集团有限公司 | Mute water discharging pipe |
| CN102424713B (en) * | 2011-11-19 | 2013-06-26 | 江苏百安居管业有限公司 | Noise ultra-attenuation color plastic composite polrvinyl chloride drainage pipe and manufacturing method thereof |
| CN105128374A (en) * | 2015-08-24 | 2015-12-09 | 江苏洁润管业有限公司 | PE pipe production technology |
-
2019
- 2019-08-16 CN CN201910760433.XA patent/CN110576578A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312154A (en) * | 2001-01-10 | 2001-09-12 | 吴卫平 | Making process and special equipment for three-layer composite heat-resisting muting pipe with inorganic filling |
| CN102345312A (en) * | 2011-07-15 | 2012-02-08 | 康泰塑胶科技集团有限公司 | Mute water discharging pipe |
| CN102424713B (en) * | 2011-11-19 | 2013-06-26 | 江苏百安居管业有限公司 | Noise ultra-attenuation color plastic composite polrvinyl chloride drainage pipe and manufacturing method thereof |
| CN105128374A (en) * | 2015-08-24 | 2015-12-09 | 江苏洁润管业有限公司 | PE pipe production technology |
Non-Patent Citations (3)
| Title |
|---|
| 丁浩: "《塑料工业实用手册下》", 31 March 1996 * |
| 刘峥等: "《塑料成型工艺及模具设计与实践》", 30 November 2013, 重庆大学出版社 * |
| 王兴天: "《注塑成型技术》", 31 December 1989 * |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191217 |