CN111605234A - Processing method of CPVC water distributor main body - Google Patents
Processing method of CPVC water distributor main body Download PDFInfo
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- CN111605234A CN111605234A CN202010455468.5A CN202010455468A CN111605234A CN 111605234 A CN111605234 A CN 111605234A CN 202010455468 A CN202010455468 A CN 202010455468A CN 111605234 A CN111605234 A CN 111605234A
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- pipe
- water
- cpvc
- water distribution
- processing
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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
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/22—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L27/24—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment halogenated
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a processing method of a CPVC water distributor main body, which is characterized in that a production process combining extrusion molding and machining is adopted for a CPVC water distributor main body model, so that the cutting length of the CPVC water distributor main body can be flexibly adjusted according to different specifications, the investment of a die is saved, the production efficiency and the use effect of the CPVC water distributor main body provided by the invention are further improved, and the production cost of the CPVC water distributor main body is reduced.
Description
Technical Field
The invention relates to the technical field of water distributors, in particular to a processing method of a CPVC water distributor main body.
Background
The water separator is a water distribution and collection device used for connecting water supply and return of each heating pipe in a water system. The system is mainly responsible for opening and closing water flow in a loop in a tap water system, a floor heating system, an air conditioning water system or other industrial water systems. At present, a higher-grade water separator product in the market is formed by casting and then machining brass, the price is high, heavy metal pollution is caused by electroplating treatment on the surface, and plastic water separators such as PP and the like gradually replace a part of the market of the copper water separator as green and environment-friendly materials. CPVC is a novel engineering plastic with wide application prospect, its resin is prepared by polyvinyl chloride (PVC) resin chlorination modification, it is a novel green material, CPVC tubular product can be used to carry hot water and corrosive medium, can keep sufficient intensity when not exceeding 100 ℃, and can use for a long time under higher internal pressure, the pipeline of making with CPVC, light in weight, the heat-proof quality is good, do not need to keep warm, in some special occasions, use CPVC material water knockout drum to have rare functional advantage and price advantage. The PP plastic water separator generally adopts injection molding due to good flowability and high decomposition temperature of PP materials, but the CPVC material has poor flowability and is easy to decompose, the production process using the injection molding is difficult to produce, the wall thickness of a plastic water separator product is thick, the injection molding time is long, the product deformation is large, the product size precision is low, the yield is not high, and meanwhile, the injection molding is selected to ensure that the mold investment is large and the production cost is high due to multiple specifications and varieties of the water separator.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for processing a CPVC water distributor main body.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a processing method of a CPVC water distributor main body is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
(1) firstly, extruding and molding a production material for producing the water distribution pipe by a plastic extruding machine, and cutting the material at a fixed length for later use;
(2) and machining the pipe fitting formed by the plastic extruding machine by using a machine tool to obtain the distributive pipe.
Preferably, the production steps of the CPVC water knockout vessel body are as follows,
(1) preparing materials required by the production of the water distribution pipe;
(2) conveying the prepared materials to a hopper of a plastic extruding machine;
(3) and performing extrusion molding and post-treatment on the prepared materials in the hopper.
Preferably, the base material required by the production of the water diversion pipe comprises CPVC700 type resin powder, a methyl tin mercaptide stabilizer, a toner, Fischer-Tropsch wax, an OPE wax, a toughening agent and a processing aid, wherein the CPVC700 type resin powder, the methyl tin mercaptide stabilizer, the toner, the Fischer-Tropsch wax, the OPE wax, the toughening agent and the processing aid are weighed according to the mass ratio of 100: 2.15-2.85: 3.4-4.6: 1.28-2.3: 1.7-2.3: 6.8-9.2: 2.13-2.87.
Preferably, the step of machining the knock out pipe is specifically as follows,
(1) processing 2 longitudinal symmetrical planes on the outer pipe surface of the water diversion pipe by using a milling machine;
(2) cutting the end faces of pipe orifices at two ends of the water distribution pipe by using a lathe;
(3) drilling and tapping at the water distributing opening of the water distributing pipe by using a drilling machine;
(4) and drilling and tapping at the main water inlet and outlet of the water distribution pipe by using a drilling machine.
Preferably, the end face of the opening of the water distribution pipe is further processed with a chamfer when being cut by a lathe.
The invention has the advantages and positive effects that:
1. by adopting the production process of extrusion molding on the CPVC water distributor main body model, the cutting length of the CPVC water distributor main body can be flexibly adjusted according to different specifications, so that the investment of a die is saved; and the extrusion molding process has the advantages of high production speed, small shrinkage deformation and high post-machining dimensional precision, and meanwhile, compared with an injection molded product, the extrusion molded product is more heat-resistant and pressure-resistant and has longer service life, so that the production efficiency and the use effect of the invention are improved, and the production cost of the invention is reduced.
Drawings
FIG. 1 is a schematic structural view of a four-way water distribution pipe according to the present invention;
FIG. 2 is a schematic cross-sectional view of a four-way knock out pipe of the present invention.
In the figure: 1. a water diversion pipe; 2. a water diversion port; 3. an upper plane; 4. a lower plane; 5. positioning holes; 6. and a main water inlet and outlet.
Detailed Description
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, in the processing method of the CPVC water knockout drum main body provided by the present invention, the processed CPVC water knockout drum main body includes a water knockout drum 1, a plurality of water knockout holes 2 are uniformly distributed on one side of the water knockout drum 1, the pipe orifices of the water knockout holes 2 and the pipe surface outside the water knockout drum 1 are on the same plane, and the design that the pipe orifices of the water knockout holes 2 and the pipe surface outside the water knockout drum 1 are on the same plane makes the cross section of the CPVC water knockout drum main body projected in the axis direction equal everywhere, so that the CPVC water knockout drum main body is suitable for more production processes. It should be noted that, in this embodiment, the material of the water diversion pipe 1 is CPVC, and such material has the advantages of light weight, good heat insulation performance, environmental protection, and the like, so that the use effect of the present invention can be improved.
In this embodiment, as shown in fig. 1 and 2, the water diversion pipe 1 is a special-shaped structure with two sides being arc surfaces and upper and lower sides being planes, and the water diversion port 2 is arranged on the upper plane 3 of the water diversion pipe 1. It needs to be supplemented that the upper plane 3 or the lower plane 4 of the water diversion pipe 1 is also provided with a positioning hole 5, and the positioning hole 5 is used for fixedly connecting the water diversion pipe 1 with the support frame during installation.
In the prior art, the water separator cast by brass is expensive and the surface of the water separator needs to be electroplated to cause heavy metal pollution, while plastic water separators such as PP produced by replacing brass are relatively more environment-friendly, but the use effect of the water separator cannot always catch up with the pipe processed by CPVC material. However, the CPVC material has the defects of poor flowability and easy decomposition, so that the CPVC pipe is difficult to produce by using an injection molding process commonly used for producing water distributors in the prior art, the wall thickness of a plastic water distributor product is thick, the injection molding time is long, the product deformation is large, the product size precision is low, the yield is not high, and meanwhile, the injection molding is adopted to ensure that the mold investment is large and the production cost is high due to multiple specifications and varieties of the water distributors. Accordingly, the present invention provides a method of processing a CPVC diverter body comprising the steps of,
(1) firstly, carrying out extrusion molding on a production material for producing the water distribution pipe 1 by using an extruding machine, and cutting the material at a fixed length for later use;
(2) and machining the pipe fitting formed by extrusion molding of the extruding machine by using a machine tool to obtain the water distribution pipe 1.
Further, the steps of producing the distributive pipe 1 are specifically as follows,
(1) preparing materials required by the production of the water distribution pipe 1;
(2) conveying the prepared materials to a hopper of a plastic extruding machine;
(3) and performing extrusion molding and post-treatment on the prepared materials in the hopper.
Further, the base material required by the production of the water diversion pipe 1 comprises CPVC700 type resin powder, methyl tin mercaptide stabilizer, toner, Fischer-Tropsch wax, OPE wax, toughening agent and processing aid, wherein the CPVC700 type resin powder, the methyl tin mercaptide stabilizer, the toner, the Fischer-Tropsch wax, the OPE wax, the toughening agent and the processing aid are weighed according to the mass ratio of 100: 2.15-2.85: 3.4-4.6: 1.28-2.3: 1.7-2.3: 6.8-9.2: 2.13-2.87. Specifically, in the embodiment of the present invention, the toner is rutile titanium dioxide, the processing aid is ACR processing aid, and it is necessary to supplement that the toner is also added with blue-gray toner, and the proportion of the blue-gray toner is added according to actual requirements.
Specifically, raw materials for producing the distributive pipe 1 are weighed according to a proportion and then put into a high-speed kneader to be stirred and mixed, the rotation speed of a main machine is 670rpm, the temperature is raised to 103-107 ℃, a uniformly mixed mixture is obtained, the optimal temperature is 105 ℃, then the mixture is put into a low-speed stirrer to be cooled, the rotation speed of the main machine is 350rpm, the temperature is lowered to 48-52 ℃, a kneaded material is obtained, the optimal temperature is 50 ℃, the material preparation work is completed, then the kneaded material is conveyed into a hopper of an extruding machine, the kneaded material is heated and extruded by a PVC high-speed double-screw machine set to form a distributive pipe 1 model, then the distributive pipe 1 model is subjected to post-treatment, specifically, the distributive pipe 1 model extruded by the extruding machine is cooled and shaped by a cooling device, then a code spraying machine is used for spray printing, and then the spray-printed distributive pipe 1 model is drawn, and (4) cutting the water dividing pipe 1 model by a cutting machine to a fixed length, so as to finish post-treatment. The CPVC water distributor main body is produced based on the production method of the CPVC water distributor main body, so that the limitation of the axial size of a mould in an injection molding process can be removed from the water distribution pipe 1, namely, for the water distribution pipes 1 with different numbers of water distribution openings 2, the production of different water distribution pipes 1 can be realized by using the same mould, and then the water distribution pipes 1 with different lengths can be obtained by cutting the extruded pipe, therefore, the cutting length of the CPVC water distributor main body can be flexibly adjusted according to different specifications by adopting the production process of extrusion molding on a CPVC water distributor main body model, and the mould investment is saved; meanwhile, the extrusion molding process has the advantages of high production speed, small shrinkage deformation and high post-machining dimensional precision, and compared with an injection molded product, the extrusion molded product is more heat-resistant and pressure-resistant and has longer service life, so that the production efficiency and the use effect of the invention are improved, and the production cost of the invention is reduced.
Further, the step of machining the distributive pipe 1 is concretely as follows,
(1) processing 2 longitudinal symmetrical planes on the outer pipe surface of the water diversion pipe 1 by using a milling machine;
(2) cutting the end faces of pipe orifices at two ends of the water distribution pipe 1 by using a lathe;
(3) drilling and tapping at the water diversion port 2 of the water diversion pipe 1 by using a drilling machine;
(4) and drilling and tapping at the position of the main water inlet and outlet 6 of the water distribution pipe 1 by using a drilling machine.
Further, when the end face of the pipe orifice of the water distribution pipe 1 is cut by a lathe, a chamfer is further processed and used for preventing sharp scratches on the edge of the end face of the water distribution pipe 1.
Specifically, a production material for producing the distributive pipe 1 is subjected to extrusion molding by an extruding machine to obtain a distributive pipe 1 model, the distributive pipe 1 model is cut at a fixed length for later use, and then a milling machine is used outside the distributive pipe 1 model2 longitudinal symmetrical planes are processed on the side pipe surface, namely an upper plane 3 and a lower plane 4 of the distributive pipe 1 are processed, then the end surfaces of pipe orifices at two ends of a model of the distributive pipe 1 are cut by a lathe, so that the length of the model of the distributive pipe 1 is accurate to the length tolerance range required by a drawing, and chamfering is carried out. And then, drilling and tapping at the water diversion port 2 of the model of the water diversion pipe 1 by using a drilling machine, processing the water diversion port 2, and then drilling and tapping at the main water inlet and outlet 6 of the model of the water diversion pipe 1. And machining a main water inlet and outlet 6 so as to obtain the water distribution pipe 1 with a complete structure. It is added that the main water inlet and outlet 6 of the water distribution pipe 1 penetrates through the middle part of the water distribution pipe 1, and the direction of the opening of the main water inlet and outlet 6 is the same as the axial direction of the water distribution pipe 1. In this embodiment, as shown in fig. 1 and 2, a four-way water diversion pipe is taken as an example, and the round pipe specification of the four-way water diversion pipe is as follows
The cutting fixed length is selected to be 180mm during cutting, the shortest distance between the inner walls of every two adjacent water diversion ports 2 is 27.11mm during drilling and tapping, the shortest distance between the inner wall of the water diversion port 2 closest to the end face of the water diversion pipe 1 and the end face of the water diversion pipe 1 is 26.25mm, and two positioning holes 5 are arranged and are respectively located in the middle of the two adjacent water diversion ports 2. Compared with a four-way water distribution pipe, the production size of the water distribution pipe 1 with other specifications only needs to be changed according to the length of the water distribution pipe during cutting, and the number and the positions of the water distribution ports 2 are correspondingly changed according to a drawing or an actual requirement, so that the production efficiency is improved.
It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.
Claims (5)
1. A processing method of a CPVC water distributor main body is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
(1) firstly, carrying out extrusion molding on a production material for producing the water distribution pipe (1) by using an extruding machine, and cutting the material at a fixed length for later use;
(2) and machining the pipe fitting formed by extrusion molding of the extruding machine by using a machine tool to obtain the water distribution pipe (1).
2. A method of processing a CPVC diverter body as claimed in claim 1, wherein: the steps for producing the water diversion pipe (1) are as follows,
(1) preparing materials required by the production of the water distribution pipe (1);
(2) conveying the prepared materials to a hopper of a plastic extruding machine;
(3) and performing extrusion molding and post-treatment on the prepared materials in the hopper.
3. A method of processing a CPVC diverter body as claimed in claim 2, wherein: the base material required by the production of the water diversion pipe (1) comprises CPVC700 type resin powder, methyl tin mercaptide stabilizer, toner, Fischer-Tropsch wax, OPE wax, toughening agent and processing aid, wherein the CPVC700 type resin powder, the methyl tin mercaptide stabilizer, the toner, the Fischer-Tropsch wax, the OPE wax, the toughening agent and the processing aid are weighed according to the mass ratio of 100: 2.15-2.85: 3.4-4.6: 1.28-2.3: 1.7-2.3: 6.8-9.2: 2.13-2.87.
4. A method of processing a CPVC diverter body as claimed in claim 1, wherein: the steps of machining the distributive pipe (1) are as follows,
(1) processing 2 longitudinal symmetrical planes on the outer pipe surface of the water diversion pipe (1) by using a milling machine;
(2) cutting the end faces of pipe orifices at two ends of the water distribution pipe (1) by using a lathe;
(3) drilling and tapping at the water diversion port (2) of the water diversion pipe (1) by a drilling machine;
(4) and drilling and tapping at the main water inlet and outlet (6) of the water distribution pipe (1) by a drilling machine.
5. A method of processing a CPVC diverter body as claimed in claim 2, wherein: and a chamfer is also processed on the end surface of the pipe orifice of the water distribution pipe (1) when the water distribution pipe is cut by a lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010455468.5A CN111605234A (en) | 2020-05-26 | 2020-05-26 | Processing method of CPVC water distributor main body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010455468.5A CN111605234A (en) | 2020-05-26 | 2020-05-26 | Processing method of CPVC water distributor main body |
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| CN111605234A true CN111605234A (en) | 2020-09-01 |
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| CN202010455468.5A Pending CN111605234A (en) | 2020-05-26 | 2020-05-26 | Processing method of CPVC water distributor main body |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175578A (en) * | 1963-06-05 | 1965-03-30 | Clarence L Patterson | Water supply systems |
| US4913183A (en) * | 1988-04-12 | 1990-04-03 | Schneider Metal Manufacturing Co. | Thermo plastic carbonated water manifold and method of making same |
| US5425264A (en) * | 1992-06-05 | 1995-06-20 | Grenci; Charles A. | Plastic high vacuum piping components |
| US5474102A (en) * | 1991-07-15 | 1995-12-12 | Lopez; Robert | Fluid distribution manifold |
| CN101680589A (en) * | 2007-05-11 | 2010-03-24 | 路博润高级材料公司 | Water manifold system and method |
| CN111100405A (en) * | 2019-12-31 | 2020-05-05 | 日丰企业（佛山）有限公司 | Environment-friendly PVC-U (polyvinyl chloride-U) pipe and preparation method thereof |
| CN111117123A (en) * | 2019-12-27 | 2020-05-08 | 天津永高塑业发展有限公司 | CPVC chemical pipeline material with high thermal conductivity and high wear resistance and preparation method thereof |
-
2020
- 2020-05-26 CN CN202010455468.5A patent/CN111605234A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175578A (en) * | 1963-06-05 | 1965-03-30 | Clarence L Patterson | Water supply systems |
| US4913183A (en) * | 1988-04-12 | 1990-04-03 | Schneider Metal Manufacturing Co. | Thermo plastic carbonated water manifold and method of making same |
| US5474102A (en) * | 1991-07-15 | 1995-12-12 | Lopez; Robert | Fluid distribution manifold |
| US5425264A (en) * | 1992-06-05 | 1995-06-20 | Grenci; Charles A. | Plastic high vacuum piping components |
| CN101680589A (en) * | 2007-05-11 | 2010-03-24 | 路博润高级材料公司 | Water manifold system and method |
| CN111117123A (en) * | 2019-12-27 | 2020-05-08 | 天津永高塑业发展有限公司 | CPVC chemical pipeline material with high thermal conductivity and high wear resistance and preparation method thereof |
| CN111100405A (en) * | 2019-12-31 | 2020-05-05 | 日丰企业（佛山）有限公司 | Environment-friendly PVC-U (polyvinyl chloride-U) pipe and preparation method thereof |
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Application publication date: 20200901 |