CN114559634B - Preparation method of environment-friendly plastic hose - Google Patents
Preparation method of environment-friendly plastic hose Download PDFInfo
- Publication number
- CN114559634B CN114559634B CN202210222442.5A CN202210222442A CN114559634B CN 114559634 B CN114559634 B CN 114559634B CN 202210222442 A CN202210222442 A CN 202210222442A CN 114559634 B CN114559634 B CN 114559634B
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- Prior art keywords
- pipe
- hose
- wall
- preheating
- raw materials
- Prior art date
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- 239000004033 plastic Substances 0.000 title claims abstract description 19
- 229920003023 plastic Polymers 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000001125 extrusion Methods 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 238000002156 mixing Methods 0.000 claims abstract description 34
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 27
- 238000005507 spraying Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 30
- 239000010410 layer Substances 0.000 description 12
- 238000000926 separation method Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000000265 homogenisation Methods 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
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
- 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
-
- 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
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
-
- 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
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
-
- 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
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/355—Conveyors for extruded articles
-
- 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
- B29C48/94—Lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a preparation method of an environment-friendly plastic hose, which comprises the following steps: preheating raw materials, namely preheating various raw materials prepared by a hose by using a raw material preheating device, and scattering the raw materials into a mixing mill when the raw materials are preheated to corresponding temperatures; mixing the raw materials, and mixing a plurality of raw materials prepared by a hose by using a mixing roll to obtain a mixed material I; step three, extrusion molding of the hose, namely adding the mixed material I into an extrusion molding machine, and performing extrusion molding by the extrusion molding machine to obtain a pipe I; fourthly, homogenizing the wall thickness of the hose, and carrying out traction stretching or extrusion retraction on the outer wall of the first pipe by using a traction homogenizing device to obtain a second pipe; and fifthly, cooling and shaping the hose, and performing air cooling and cooling by using the pipe II of the air cooling device to obtain a finished hose. The invention relates to a preparation method for conveniently preparing a hose with high wall thickness uniformity.
Description
Technical Field
The invention mainly relates to the technical field of plastic hoses, in particular to a preparation method of an environment-friendly plastic hose.
Background
The plastic hose is convenient for conveying fluid medium or gas medium, and the uniform wall thickness of the plastic hose can influence the service life of the whole hose.
According to the method for preparing the plastic hose for water supply and drainage engineering provided by the patent document with the application number of CN201810819230.9, the method comprises the steps of mixing aluminum oxide, barium stearate, sodium dodecyl sulfate and distilled water, heating, adding polyvinyl acetate, preserving heat and stirring to obtain primary mixed solution; mixing and stirring polystyrene, acrylic resin, ethylene-vinyl acetate carbonyl copolymer and dibenzothiazyl disulfide at high temperature to obtain a primary reaction material; adding polyacrylonitrile-based carbon fiber into the primary mixed solution, uniformly stirring, and then adding chlorinated paraffin for ultrasonic dispersion to obtain a secondary mixed solution; and then carrying out vacuum mixing on the primary reaction material and the secondary mixed liquid, adding the vacuum mixing blank, the stabilizer, the plasticizer and the antistatic agent into a granulator together for granulation, then putting the mixture into a charging barrel of an extruder, extruding the mixture through the extruder, and then putting the mixture into an injection molding machine for injection molding to obtain the finished plastic hose. The plastic hose has good toughness.
The preparation method in the patent is convenient for preparing the pipe with good self toughness, but is inconvenient for preparing the pipe with high wall thickness uniformity.
Disclosure of Invention
The invention mainly provides a preparation method of an environment-friendly plastic hose, which is used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
the preparation method of the environment-friendly plastic hose comprises the following steps:
preheating raw materials, namely preheating various raw materials prepared by a hose by using a raw material preheating device, and scattering the raw materials into a mixing mill when the raw materials are preheated to corresponding temperatures;
mixing the raw materials, and mixing a plurality of raw materials prepared by a hose by using a mixing roll to obtain a mixed material I;
step three, extrusion molding of the hose, namely adding the mixed material I into an extrusion molding machine, and performing extrusion molding by the extrusion molding machine to obtain a pipe I;
fourthly, homogenizing the wall thickness of the hose, and carrying out traction stretching or extrusion retraction on the outer wall of the first pipe by using a traction homogenizing device to obtain a second pipe;
and fifthly, cooling and shaping the hose, and performing air cooling and cooling by using the pipe II of the air cooling device to obtain a finished hose.
Preferably, the raw material preheating device comprises a preheating box, a top cover and a discharge opening are arranged at the top of the preheating box, interlayers are symmetrically arranged at two sides of the preheating box, a plurality of first heating pipes are arranged in the interlayers, a plurality of partition parts with execution ends extending into the preheating box are sequentially arranged on the side wall of the preheating box from top to bottom, and vibration material scattering parts are arranged at the bottom of the preheating box. In the preferred embodiment, the raw materials are preheated by the raw material preheating device, and the raw materials are scattered conveniently, so that the mixing time is shortened.
Preferably, the partition member includes an L-shaped partition plate having one end penetrating the sidewall of the preheating tank and extending into the preheating tank, and a driving cylinder provided at the sidewall of the L-shaped partition plate and having an execution end penetrating the L-shaped partition plate and connected to the outer wall of the preheating tank. In the present preferred embodiment, the separation of raw materials with different preheating temperature requirements is facilitated by the separation means.
Preferably, the vibration material scattering component comprises a material scattering frame connected with the bottom of the preheating box through a plurality of springs, and a miniature vibration motor arranged at the bottom of the material scattering frame. In the present preferred embodiment, the raw materials after the completion of the preheating are easily scattered into the mixer by vibrating the scattering member.
Preferably, the traction homogenizing device comprises a base plate, an extrusion molding machine arranged on the base plate, an outer cover plate arranged on the upper surface of the base plate and one end of which is communicated with the discharge end of the extrusion molding machine, a conduit rod arranged in the outer cover plate and one end of which is connected with the discharge end of the extrusion molding machine, an oil component arranged at the top of the inner wall of the outer cover plate and used for spraying oil to the surface of the conduit rod, a traction component arranged on the base plate and arranged in the outer cover plate, a clamping component arranged at the execution end of the traction component and sleeved outside the conduit rod, and a pipe diameter detection component arranged on the outer cover plate and close to the inner wall of one end of the extrusion molding machine, wherein a plurality of second heating pipes are arranged on the inner wall of the outer cover plate. In the preferred embodiment, the outer wall of the unfixed hose is conveniently drawn, stretched or extruded and retracted by a drawing and homogenizing device so as to facilitate homogenization of the hose wall.
Preferably, the oil liquid component comprises a first linear guide rail arranged at the top of the inner wall of the outer cover plate, an oil spraying pipe arranged at the execution end of the first linear guide rail, and an oil source pipe with one end communicated with the side wall of the oil spraying pipe and the other end extending to the outer part of the outer cover plate. In the preferred embodiment, the oil component facilitates the spraying of oil onto the surface of the conduit wand to facilitate movement of the unshaped hose over the conduit wand.
Preferably, the traction component comprises a second linear guide rail arranged on the upper surface of the base plate and a bidirectional linear guide rail arranged at the execution end of the second linear guide rail. In the preferred embodiment, the driving of the gripping member in synchronism with the unfixed hose is facilitated by the traction member, while the driving of the two positioning rings in the gripping member away from or towards each other is facilitated.
Preferably, the clamping component comprises two positioning rings sleeved outside the catheter rod, an annular air bag arranged on the outer wall of the positioning ring, an air pressure sensor arranged on the outer wall of the positioning ring and positioned in the annular air bag, and an air source pipe with one end penetrating through the side wall of the positioning ring and communicated with the annular air bag and the other end extending to the outer part of the outer cover plate, wherein the outer wall of the positioning ring is connected with the execution end of the bidirectional linear guide rail through a support column. In the preferred embodiment, the outer wall of the unshaped hose is facilitated to be clamped by the clamping means.
Preferably, the pipe diameter detection component comprises a first base block and a second base block which are symmetrically arranged on the inner wall of the outer cover plate, a plurality of laser transmitters which are equidistantly arranged on the side wall of the first base block from top to bottom, and a plurality of laser receivers which are equidistantly arranged on the side wall of the second base block from top to bottom, wherein one of the laser transmitters corresponds to one of the laser receivers in position. In the preferred embodiment, the diameter of the hose is measured by the body diameter sensing means to facilitate knowledge of the wall thickness of the hose.
Preferably, the one end symmetry that the dustcoat board kept away from extrusion molding machine is equipped with the forced air cooling device, the forced air cooling device includes one end intercommunication the forced air cooling case of dustcoat board lateral wall, one end intercommunication the wind regime pipe of forced air cooling case other end, and locate the evaporimeter in the forced air cooling case. In the preferred embodiment, the hose is cooled and shaped conveniently by the air cooling device.
Compared with the prior art, the invention has the beneficial effects that:
the preparation method of the invention uses the traction homogenizing device to uniformly distribute the wall of the unfixed hose so as to prepare the pipe with high uniformity of wall thickness;
the raw materials are conveniently preheated through the raw material preheating device, the raw materials are conveniently scattered simultaneously, so that mixing time is reduced, raw materials with different preheating temperature requirements are conveniently separated through the separation part in the raw material preheating device, and the raw materials after being preheated are conveniently scattered into the mixing mill through the vibration scattering part;
the outer wall of the unfinished hose is convenient to draw, stretch or extrude and retract through drawing the homogenization device to be convenient for the homogenization of hose pipe wall, be convenient for spray lubricating oil on the pipe pole surface through fluid part in drawing the homogenization device, so that the unfinished hose moves on the pipe pole, be convenient for measure the diameter of hose through body diameter detection part, so that the wall thickness of knowing the hose, be convenient for drive clamping part and unfinished hose synchronous motion through drawing the part, two holding rings in the drive clamping part are kept away from each other or are close to each other simultaneously, be convenient for the outer wall of centre gripping unfinished hose through clamping part, be convenient for cool down the design to the hose through air-cooling device.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a flow chart of a preparation method of the invention;
FIG. 2 is an isometric view of the overall structure of the raw material preheating device of the present invention;
fig. 3 is a cross-sectional view showing the structure of the vibration spreading member and the partition member of the present invention;
FIG. 4 is a cross-sectional view showing the overall structure of the raw material preheating device of the present invention;
FIG. 5 is an isometric view of the overall structure of the traction homogenizing apparatus of the present invention;
FIG. 6 is an exploded view of the overall structure of the traction homogenizing apparatus of the present invention;
FIG. 7 is a cross-sectional view of the overall structure of the traction homogenizing apparatus of the present invention;
fig. 8 is an enlarged view of the structure at a of the present invention.
Description of the drawings: 10. a raw material preheating device; 11. a preheating box; 111. a top cover; 112. a discharge port; 113. an interlayer; 114. a first heating pipe; 12. a partition member; 121. an L-shaped partition plate; 122. a drive cylinder; 13. vibrating the material scattering component; 131. a spring; 132. a spreading rack; 133. a miniature vibration motor; 20. a traction homogenizing device; 21. a base plate; 22. an outer cover plate; 221. a second heating pipe; 23. a catheter shaft; 24. an oil component; 241. a first linear guide rail; 242. an oil injection pipe; 243. an oil source pipe; 25. a traction member; 251. a second linear guide rail; 252. a bi-directional linear guide rail; 26. a clamping member; 261. a positioning ring; 262. an annular air bag; 263. an air pressure sensor; 264. an air source pipe; 27. a pipe diameter detecting member; 271. a first base block; 272. a second base block; 273. a laser emitter; 274. a laser receiver; 30. an extrusion molding machine; 40. an air cooling device; 41. an air cooling box; 42. a wind source tube; 43. an evaporator.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, in a preferred embodiment of the present invention, a method for manufacturing an environment-friendly plastic hose comprises the following steps: preheating and scattering materials of raw materials, preheating various raw materials prepared by a hose by using a raw material preheating device 10, and scattering the raw materials into a mixing mill when the raw materials are preheated to corresponding temperatures; mixing the raw materials, and mixing a plurality of raw materials prepared by a hose by using a mixing roll to obtain a mixed material I; the raw material preheating device 10 comprises a preheating box 11, a top cover 111 is arranged at the top of the preheating box 11, a discharge opening 112 is arranged at the bottom of the preheating box 11, an interlayer 113 is symmetrically arranged on two sides of the preheating box 11, a plurality of first heating pipes 114 are arranged in the interlayer 113, a plurality of partition parts 12 with execution ends extending into the preheating box 11 are sequentially arranged on the side wall of the preheating box 11 from top to bottom, a vibration material scattering part 13 is arranged at the bottom of the preheating box 11, the partition parts 12 comprise L-shaped partition plates 121 with one ends penetrating through the side wall of the preheating box 11 and extending into the preheating box 11, and driving cylinders 122 arranged on the side wall of the L-shaped partition plates 121 and with the execution ends penetrating through the L-shaped partition plates 121 and connected with the outer wall of the preheating box 11, and the vibration material scattering part 13 comprises a material scattering frame 132 connected with the bottom of the preheating box 11 through a plurality of springs 131 and a miniature vibration motor 133 arranged at the bottom of the material scattering frame 132.
In this embodiment, the raw materials are preheated by the raw material preheating device 10, and are scattered into the mixer when preheated to the corresponding temperature, so that the materials are uniformly mixed under the condition of proper temperature, the mixing time is reduced, the energy is saved, the quality of the hose is improved, the possibility of discarding the hose is reduced, and the raw materials prepared by the hose are mixed by the mixer;
the preheating box 11 can be fixed at the top of a feed inlet of the mixing mill through a support column, so that materials discharged from the preheating box 11 enter the mixing mill, raw materials can be placed on the plurality of partition parts 12 sequentially from bottom to top according to the requirement of the preheating temperature of the raw materials, one or more raw materials with the lowest preheating temperature are placed at the lowest layer, one or more raw materials with the highest preheating temperature are placed at the top layer, and the first heating pipe 114 heats the inside of the preheating box 11 during preheating;
when the material is heated to the temperature required by the material at the bottommost layer, the partition part 12 at the bottommost layer is opened, the material enters the mixer through the vibration material scattering part 13, the temperature is continuously raised at the moment, when the preheating temperature requirement of the material at the upper layer is reached, the partition part 12 at the upper layer is opened, the material enters the mixer through the vibration material scattering part 13, and the process is repeated until the material enters the mixer;
further, when the partition member 12 is operated, the driving cylinder 122 drives the L-shaped partition plate 121 to move outwards, and raw materials on the L-shaped partition plate 121 are discharged through the discharge opening 112;
further, when the vibration material scattering component 13 works, the miniature vibration motor 133 drives the material scattering frame 132 to vibrate, and raw materials falling on the material scattering frame 132 are scattered through the vibration of the material scattering frame 132, so that preheated raw materials are uniformly scattered in the mixing mill.
Referring to fig. 1, 5, 6, 7, and 8, in another preferred embodiment of the present invention, step three, extrusion molding of the hose, adding the first kneaded material into an extrusion molding machine 30, and extrusion molding by the extrusion molding machine 30 to obtain a first pipe; fourthly, homogenizing the wall thickness of the hose, and carrying out traction stretching or extrusion retraction on the outer wall of the first pipe by using a traction homogenizing device 20 so as to obtain a second pipe; the traction homogenizing device 20 comprises a base plate 21, an extrusion molding machine 30 arranged on the base plate 21, an outer cover plate 22 arranged on the upper surface of the base plate 21 and one end of which is communicated with the discharge end of the extrusion molding machine 30, a guide pipe rod 23 arranged in the outer cover plate 22 and one end of which is connected with the discharge end of the extrusion molding machine 30, an oil liquid component 24 arranged on the top of the inner wall of the outer cover plate 22 and used for spraying oil to the surface of the guide pipe rod 23, a traction component 25 arranged on the base plate 21 and positioned in the outer cover plate 22, a clamping component 26 arranged on the execution end of the traction component 25 and sleeved outside the guide pipe rod 23, and a pipe diameter detection component 27 arranged on the inner wall of the outer cover plate 22 close to one end of the extrusion molding machine 30, wherein a plurality of second heating pipes 221 are arranged on the inner wall of the outer cover plate 22, the oil liquid component 24 comprises a first linear guide rail 241 arranged on the top of the inner wall of the outer cover plate 22, the traction component 25 comprises a second linear guide rail 251 arranged on the upper surface of the base plate 21 and a bidirectional linear guide rail 252 arranged on the execution end of the second linear guide rail 251, the clamping component 26 comprises two positioning rings 261 sleeved on the outer part of the guide pipe rod 23, an annular air bag 262 arranged on the outer wall of the positioning ring 261, an air pressure sensor 263 arranged on the outer wall of the positioning ring 261 and positioned in the annular air bag 262, and an air source pipe 264 with one end penetrating through the side wall of the positioning ring 261 and being communicated with the annular air bag 262 and the other end extending to the outer part of the outer cover plate 22, the outer wall of the positioning ring 261 is connected with the execution end of the bidirectional linear guide rail 252 through a support column, the pipe diameter detecting member 27 includes a first base block 271 and a second base block 272 symmetrically disposed on an inner wall of the outer cover 22, a plurality of laser transmitters 273 disposed on a side wall of the first base block 271 from top to bottom at equal intervals, and a plurality of laser receivers 274 disposed on a side wall of the second base block 272 from top to bottom at equal intervals, wherein one of the laser transmitters 273 corresponds to one of the laser receivers 274.
In this embodiment, the raw materials after mixing are added into the extrusion molding machine 30, the extrusion molding machine 30 performs extrusion molding, and the traction homogenizing device 20 performs traction stretching or extrusion retraction on the outer wall of the extruded pipe so as to homogenize the outer wall of the pipe;
when the outer wall of the pipe is homogenized, the oil liquid component 24 sprays lubricating oil on the surface of the guide pipe rod 23, an unfixed hose extruded by the extrusion molding machine 30 moves on the outer wall of the guide pipe rod 23, the diameter of the unfixed hose is measured by the pipe body diameter detection component 27 so as to know the wall thickness of the hose, and the traction component 25 and the clamping component 26 are matched to extrude and retract the unfixed hose section with the wall thickness smaller than a set value and draw and stretch the unfixed hose section with the wall thickness larger than the set value;
further, when the oil component 24 works, lubricating oil is introduced into the oil source pipe 243, the execution end of the first linear guide rail 241 drives the oil spraying pipe 242 to move, and the oil enters the oil spraying pipe 242 through the oil source pipe 243 and is sprayed on the outer wall of the guide pipe rod 23 through the oil spraying pipe 242;
further, during pipe diameter measurement, the plurality of laser transmitters 273 simultaneously transmit laser, the controller receives laser information of the plurality of laser receivers 274, and calculates an unshaped hose diameter by multiplying a value obtained by subtracting one from the number of laser receivers 274 which do not receive the laser information by a distance value between two adjacent laser receivers 274, and when the unshaped hose diameter is larger than or smaller than a set value, the controller triggers the traction component 25 and the clamping component 26 to homogenize the pipe wall;
further, when the traction component 25 works, the second linear guide rail 251 drives the clamping component 26 to move to the position where the pipe wall of the unfixed flexible pipe is to be homogenized, and synchronously moves along with the unfixed flexible pipe, and the bidirectional linear guide rail 252 drives the two positioning rings 261 to move away from each other for traction or move close to each other for retraction;
further, when the clamping component 26 works, the air source pipe 264 is connected with an air source system such as an air pump, pressure air enters the annular air bag 262, the annular air bag 262 clamps the outer wall of the unfixed hose after expanding, and in the process, the controller receives air pressure data of the air pressure sensor 263 and changes the power of the air pump until the air pressure data is within a set range.
Referring to fig. 1, 5 and 7, in another preferred embodiment of the present invention, the cooling and shaping of the hose is performed by air cooling the second tube of the air cooling device 40 to obtain a finished hose, one end of the outer cover 22 far away from the extrusion molding machine 30 is symmetrically provided with the air cooling device 40, the air cooling device 40 includes an air cooling box 41 with one end communicating with the sidewall of the outer cover 22, an air source tube 42 with one end communicating with the other end of the air cooling box 41, and an evaporator 43 disposed in the air cooling box 41.
In this embodiment, the air cooling device 40 is used to cool the unfixed hose homogenized by the pipe wall to obtain a finished hose, the evaporator 43 is connected to the refrigeration system, the air source pipe 42 is connected to the air source, and the air flow enters the air cooling box 41 through the air source pipe 42, and is cooled by the evaporator 43 and then blown to the surface of the unfixed hose.
The specific flow of the invention is as follows:
the controller model is "6ES7214-2AD23-0XB8", and the air pressure sensor 263 model is "MPM288".
The raw material preheating device 10 is utilized to preheat various raw materials prepared by the hose, and the raw materials are scattered into the mixing mill when the raw materials are preheated to the corresponding temperature, so that various materials are uniformly mixed under the proper temperature condition, the mixing time is reduced, the energy is saved, the quality of the hose is improved, the possibility of discarding the hose is reduced, and the mixing mill is utilized to mix various raw materials prepared by the hose;
the preheating box 11 can be fixed at the top of a feed inlet of the mixing mill through a support column, so that materials discharged from the preheating box 11 enter the mixing mill, raw materials can be placed on the plurality of partition parts 12 sequentially from bottom to top according to the requirement of the preheating temperature of the raw materials, one or more raw materials with the lowest preheating temperature are placed at the lowest layer, one or more raw materials with the highest preheating temperature are placed at the top layer, and the first heating pipe 114 heats the inside of the preheating box 11 during preheating;
when the material is heated to the temperature required by the material at the bottommost layer, the partition part 12 at the bottommost layer is opened, the material enters the mixer through the vibration material scattering part 13, the temperature is continuously raised at the moment, when the preheating temperature requirement of the material at the upper layer is reached, the partition part 12 at the upper layer is opened, the material enters the mixer through the vibration material scattering part 13, and the process is repeated until the material enters the mixer;
when the separation member 12 works, the driving cylinder 122 drives the L-shaped separation plate 121 to move outwards, and raw materials on the L-shaped separation plate 121 are discharged through the discharge opening 112;
when the vibration material scattering component 13 works, the miniature vibration motor 133 drives the material scattering frame 132 to vibrate, and raw materials falling on the material scattering frame 132 are scattered through the vibration of the material scattering frame 132 so that the preheated raw materials are uniformly scattered in the mixing mill;
adding the mixed raw materials into an extrusion molding machine 30, performing extrusion molding by the extrusion molding machine 30, and performing traction stretching or extrusion retraction on the outer wall of the extruded pipe by using a traction homogenizing device 20 so as to homogenize the outer wall of the pipe;
when the outer wall of the pipe is homogenized, the oil liquid component 24 sprays lubricating oil on the surface of the guide pipe rod 23, an unfixed hose extruded by the extrusion molding machine 30 moves on the outer wall of the guide pipe rod 23, the diameter of the unfixed hose is measured by the pipe body diameter detection component 27 so as to know the wall thickness of the hose, and the traction component 25 and the clamping component 26 are matched to extrude and retract the unfixed hose section with the wall thickness smaller than a set value and draw and stretch the unfixed hose section with the wall thickness larger than the set value;
when the oil liquid component 24 works, lubricating oil is introduced into the oil source pipe 243, the execution end of the first linear guide rail 241 drives the oil spraying pipe 242 to move, and the oil enters the oil spraying pipe 242 through the oil source pipe 243 and is sprayed on the outer wall of the guide pipe rod 23 through the oil spraying pipe 242;
when the pipe diameter is measured, the plurality of laser transmitters 273 simultaneously transmit laser, the controller receives laser information of the plurality of laser receivers 274, the unshaped hose diameter is calculated by multiplying a value obtained by subtracting one from the number of the laser receivers 274 which do not receive the laser information by the distance value between the two adjacent laser receivers 274, and when the unshaped hose diameter is larger than or smaller than a set value, the controller triggers the traction component 25 and the clamping component 26 to homogenize the pipe wall;
when the traction component 25 works, the second linear guide rail 251 drives the clamping component 26 to move to the position where the pipe wall of the unfixed flexible pipe is to be homogenized, and synchronously moves along with the unfixed flexible pipe, and the bidirectional linear guide rail 252 drives the two positioning rings 261 to move away from each other for traction or move close to each other for retraction;
when the clamping component 26 works, the air source pipe 264 is connected with an air source system such as an air pump, pressure air enters the annular air bag 262, the annular air bag 262 clamps the outer wall of the unfixed hose after expanding, and in the process, the controller receives air pressure data of the air pressure sensor 263 and changes the power of the air pump until the air pressure data is within a set range;
the air cooling device 40 is used for carrying out air cooling and cooling on the unfixed hose with homogenized pipe walls to obtain a finished hose, the evaporator 43 is connected with a refrigerating system, the air source pipe 42 is communicated with an air source, air flow enters the air cooling box 41 through the air source pipe 42, and the air flow is blown to the surface of the unfixed hose after being cooled by the evaporator 43.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (6)
1. The preparation method of the environment-friendly plastic hose is characterized by comprising the following steps of:
preheating and spreading raw materials, namely preheating various raw materials prepared by a hose by using a raw material preheating device (10), and spreading the raw materials into a mixing mill when the raw materials are preheated to corresponding temperatures;
mixing the raw materials, and mixing a plurality of raw materials prepared by a hose by using a mixing roll to obtain a mixed material I;
step three, extrusion molding of the hose, namely adding the mixed material I into an extrusion molding machine (30), and performing extrusion molding by the extrusion molding machine (30) to obtain a pipe I;
fourthly, homogenizing the wall thickness of the hose, and carrying out traction stretching or extrusion retraction on the outer wall of the first pipe by utilizing a traction homogenizing device (20) so as to obtain a second pipe;
fifthly, cooling and shaping the hose, and performing air cooling and cooling by using a second pipe of an air cooling device (40) to obtain a finished hose;
the traction homogenizing device (20) comprises a base plate (21), an extrusion molding machine (30) arranged on the base plate (21), a housing plate (22) arranged on the upper surface of the base plate (21) and one end of which is communicated with the discharge end of the extrusion molding machine (30), a guide pipe (23) arranged in the housing plate (22) and one end of which is connected with the discharge end of the extrusion molding machine (30), an oil liquid component (24) arranged on the top of the inner wall of the housing plate (22) and used for spraying oil to the surface of the guide pipe (23), a traction component (25) arranged on the base plate (21) and positioned in the housing plate (22) and a clamping component (26) arranged on the execution end of the traction component (25) and sleeved outside the guide pipe (23), and a pipe diameter detection component (27) arranged on the housing plate (22) and close to the inner wall of one end of the extrusion molding machine (30), wherein the inner wall of the housing plate (22) is provided with a plurality of second heating pipes (221), the traction component (25) comprises a second linear guide rail (251) arranged on the upper surface of the housing plate (21) and a second linear guide rail (251) and a linear guide rail (252) arranged on the two-way positioning component (252), the device comprises an annular air bag (262) arranged on the outer wall of a positioning ring (261), an air pressure sensor (263) arranged on the outer wall of the positioning ring (261) and positioned in the annular air bag (262), and an air source pipe (264) with one end penetrating through the side wall of the positioning ring (261) and communicated with the annular air bag (262) and the other end extending to the outer side of a housing plate (22), wherein the outer wall of the positioning ring (261) is connected with an execution end of a bidirectional linear guide rail (252) through a support column, the pipe diameter detection part (27) comprises a first base block (271) and a second base block (272) symmetrically arranged on the inner wall of the housing plate (22), a plurality of laser transmitters (273) which are equidistantly arranged on the side wall of the first base block (271) from top to bottom, and a plurality of laser receivers (274) which are equidistantly arranged on the side wall of the second base block (272) from top to bottom, wherein one laser transmitter (273) corresponds to one laser receiver (274) in position.
2. The preparation method of the environment-friendly plastic hose according to claim 1, wherein the raw material preheating device (10) comprises a preheating box (11), a top cover (111) is arranged at the top of the preheating box (11), a discharge opening (112) is arranged at the bottom of the preheating box, interlayers (113) are symmetrically arranged on two sides of the preheating box (11), a plurality of first heating pipes (114) are arranged in the interlayers (113), a plurality of partition parts (12) with execution ends extending into the preheating box (11) are sequentially arranged on the side wall of the preheating box (11) from top to bottom, and vibration material scattering parts (13) are arranged at the bottom of the preheating box (11).
3. The method for manufacturing an environment-friendly plastic hose according to claim 2, wherein the partition member (12) comprises an L-shaped partition plate (121) having one end penetrating the sidewall of the preheating tank (11) and extending into the preheating tank (11), and a driving cylinder (122) provided on the sidewall of the L-shaped partition plate (121) and having an execution end penetrating the L-shaped partition plate (121) to be connected to the outer wall of the preheating tank (11).
4. The method for manufacturing an environment-friendly plastic hose according to claim 2, wherein the vibration material scattering component (13) comprises a material scattering frame (132) connected to the bottom of the preheating tank (11) through a plurality of springs (131), and a micro vibration motor (133) arranged at the bottom of the material scattering frame (132).
5. The method for manufacturing the environment-friendly plastic hose according to claim 1, wherein the oil liquid component (24) comprises a first linear guide rail (241) arranged at the top of the inner wall of the outer cover plate (22), an oil spraying pipe (242) arranged at the execution end of the first linear guide rail (241), and an oil source pipe (243) with one end communicated with the side wall of the oil spraying pipe (242) and the other end extending to the outside of the outer cover plate (22).
6. The method for manufacturing the environment-friendly plastic hose according to claim 1, wherein one end of the outer cover plate (22) far away from the extrusion molding machine (30) is symmetrically provided with an air cooling device (40), the air cooling device (40) comprises an air cooling box (41) with one end communicated with the side wall of the outer cover plate (22), an air source pipe (42) with one end communicated with the other end of the air cooling box (41), and an evaporator (43) arranged in the air cooling box (41).
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| CN202210222442.5A CN114559634B (en) | 2022-03-09 | 2022-03-09 | Preparation method of environment-friendly plastic hose |
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| CN202210222442.5A CN114559634B (en) | 2022-03-09 | 2022-03-09 | Preparation method of environment-friendly plastic hose |
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| CN114559634B true CN114559634B (en) | 2024-03-12 |
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| CN111674008A (en) * | 2020-06-08 | 2020-09-18 | 东莞市恩欣龙特种材料有限公司 | Production equipment and manufacturing method of ultrahigh molecular polyethylene pipe |
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| DE4012628A1 (en) * | 1990-04-20 | 1991-10-24 | Wolff Walsrode Ag | Expanded seamless, thermoplastic, tubular film prodn. - directs air into prim. tube at die and tube acts as pressure tube as far as expansion stage |
| CN101761707A (en) * | 2009-12-28 | 2010-06-30 | 上海通产丽星包装材料有限公司 | Coextrusion composite polypropylene soft pipe and production method |
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| CN114559634A (en) | 2022-05-31 |
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