CN114161744A - Production process of high-modulus impact-resistant hollow wall winding pipe - Google Patents
Production process of high-modulus impact-resistant hollow wall winding pipe Download PDFInfo
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- CN114161744A CN114161744A CN202111294986.4A CN202111294986A CN114161744A CN 114161744 A CN114161744 A CN 114161744A CN 202111294986 A CN202111294986 A CN 202111294986A CN 114161744 A CN114161744 A CN 114161744A
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- 238000004804 winding Methods 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 51
- 239000011265 semifinished product Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000000047 product Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 49
- 239000003365 glass fiber Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 11
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 10
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 239000003607 modifier Substances 0.000 claims description 9
- 239000006084 composite stabilizer Substances 0.000 claims description 8
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 238000004040 coloring Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 238000012661 block copolymerization Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 230000004224 protection Effects 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Moulding By Coating Moulds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a production process of a high-modulus impact-resistant hollow wall winding pipe, which comprises the following steps: the method comprises the following steps: weighing raw materials according to the weight parts of the components; step two: pretreating the raw materials; step three: preparing a high-density mixture; step four: preparing a hollow wall special pipe; step five: conveying the hollow wall special pipe in the fourth step into winding equipment for winding under the action of a conveyor, heating air through an air heater, conveying hot air to a winding and fusing position by using an air blower for heating, extruding a fusing joint, and cooling the fused hollow wall special pipe to obtain a semi-finished product of the winding pipe; step six: and rotationally drawing the semi-finished product of the winding pipe in the step five into cutting equipment for cutting to obtain a finished product of the winding pipe.
Description
Technical Field
The invention relates to the technical field of pipe production, in particular to a production process of a high-modulus impact-resistant hollow wall winding pipe.
Background
The large-diameter winding pipe, the double-wall winding pipe and the hollow winding pipe are formed by winding and welding high-density polyethylene serving as a raw material, and can be used for producing pipes with the diameter of 3 meters due to the unique forming process, which is difficult to finish by other production processes, the high-density polyethylene not only ensures the product forming process and the product quality due to the excellent fusion welding performance of the high-density polyethylene, but also provides various reliable modes for construction connection, such as electrothermal fusion welding, thermal contraction connection and the like, the high-density polyethylene pipe has unique environmental protection functions which are not possessed by other pipes and has important significance for pollution prevention and control, the pipe needs to be cut into short pipes according to the length of an order after production is finished, a transfer link is added in the middle, and the production cost is correspondingly increased, so that the production cost can be reduced by adding cutting equipment into the production process flow, the production efficiency is improved, but in practical application, the produced pipe is rotationally advanced, so that the cutting effect is poor, the cut is inclined, a large amount of time is required for polishing in the follow-up process, and raw materials are wasted.
Disclosure of Invention
The invention aims to provide a production process of a high-modulus impact-resistant hollow wall winding pipe, aiming at solving the technical problems in the background technology.
The purpose of the invention can be realized by the following technical scheme:
a production process of a high-modulus impact-resistant hollow wall winding pipe comprises the following steps:
the method comprises the following steps: weighing raw materials according to the weight parts of the components; 85-95 parts of high-density polyethylene, 45-55 parts of block copolymer polypropylene, 2-4 parts of modifier, 5-8 parts of styrene, 3-5 parts of composite stabilizer, 10-25 parts of reinforcing master batch, 10-20 parts of coloring master batch and 20-40 parts of short glass fiber; the modifier is an epoxy modifier; the composite stabilizer is a mixture of an antioxidant 1010 and triphenyl phosphite according to a mass ratio of 1: 1.5;
step two: pretreating the raw materials: soaking the short glass fiber in 1.5% aqueous solution of silane coupling agent for 10 min; drying the soaked short glass fiber for 20min at the temperature of 80-90 ℃, then heating to 115-125 ℃, and continuing to dry for 30min to obtain the short glass fiber with the surface treated;
step three: preparing a high-density mixture: mixing high-density polyethylene, block copolymerization polypropylene, a modifier and styrene in a high-speed mixer at a speed of 1200r/min for 5min, adding the reinforcing master batch and the coloring master batch, continuously mixing for 5min, adding the composite stabilizer, and continuously mixing for 2min to obtain a high-density mixture;
step four: preparing a hollow wall special pipe;
step five: conveying the hollow wall special pipe in the fourth step into winding equipment for winding under the action of a conveyor, heating air by an air heater, wherein the temperature of the air heater is 320-340 ℃, conveying hot air to a winding and fusing position by using an air blower for heating, extruding a fusing joint, and cooling the fused hollow wall special pipe by using cooling water at the temperature of 15-20 ℃ to obtain a semi-finished product of the winding pipe;
step six: and D, rotationally drawing the semi-finished product of the winding pipe in the step five into cutting equipment for cutting to obtain a finished product of the winding pipe.
As a further solution of the present invention, the hollow wall profile tube is prepared by the following steps:
s1, adding the short glass fiber with the treated surface obtained in the step II into the high-density mixture, mixing the mixture for 5-8min at the speed of 1000r/min in a high-speed mixer, uniformly mixing, and putting the mixture into a single-screw extruder;
s2, selecting a high-strength steel belt, loading the steel belt into a belt hanging machine, then placing the steel belt into a steel belt straightener, and heating the steel belt for 10-12 minutes by using a high-frequency heater;
and S3, stretching the steel belt into a coating die, extruding the short glass fibers in the single-screw extruder into the coating die and coating the short glass fibers on the steel belt, drawing, cooling and shaping in a vacuum environment to obtain the hollow-wall special pipe with the square cross section.
The invention has the beneficial effects that:
1. the winding pipe produced by the invention has normal winding pipe performance, and in an impact performance test, when the drop weight quality is improved to 4 times of the original quality under the condition of the height of 2m at 0 ℃, the real impact rate of the pipe is less than or equal to 5%, and the ring stiffness is improved by 1 grade.
2. The base upper end still is provided with down the silo, and the piece that produces carries out the unloading through the lower silo in the cutting process, and the lower extreme of base is placed the workbin and can be collected to in the cutting process, protection machanism can effectively block the piece and splash, avoids the fish tail human body.
3. The base, the limiting mechanism and the protection mechanism are detachably connected, and the cutting mechanism and the adjusting mechanism are detachably connected, so that the cutting machine is convenient to mount and dismount, and each part can be maintained and replaced independently.
4. The adjustment mechanism convenient to use person who sets up adjusts cutting mechanism's slip speed, and cutting mechanism uses with adjustment mechanism cooperation, and cutting effect is better, and the incision is more level and more smooth, has reduced the time that subsequent incision was maintained the cost.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the overall construction of the cutting apparatus of the present invention;
FIG. 3 is a schematic structural view of the guard mechanism of the present invention;
FIG. 4 is a top view of the spacing mechanism of the present invention;
FIG. 5 is a front view of the adjustment mechanism and housing of the present invention;
FIG. 6 is a side view of the cutting mechanism and slider of the present invention;
fig. 7 is a side view of the cutting mechanism of the present invention.
In the figure: 1. a base; 2. a limiting mechanism; 3. a protection mechanism; 4. a slide rail; 5. an adjustment mechanism; 6. driving a motor I; 7. a second driving motor; 8. a cutting mechanism; 21. a housing; 22. a limiting block; 23. a plugboard; 31. a protection plate; 32. a through groove; 33. fixing a column; 51. a first auxiliary block; 52. a slider; 53. a second auxiliary block; 81. a fixing ring; 82. a lifting plate; 83. a slider; 84. driving a motor III; 85. a rotating ring; 86. a telescoping member; 87. a gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention relates to a process for producing a high modulus impact resistant hollow wall winding pipe, comprising the following steps:
the method comprises the following steps: weighing raw materials according to the weight parts of the components; 85-95 parts of high-density polyethylene, 45-55 parts of block copolymer polypropylene, 2-4 parts of modifier, 5-8 parts of styrene, 3-5 parts of composite stabilizer, 10-25 parts of reinforcing master batch, 10-20 parts of coloring master batch and 20-40 parts of short glass fiber; the modifier is an epoxy modifier; the composite stabilizer is a mixture of an antioxidant 1010 and triphenyl phosphite according to a mass ratio of 1: 1.5;
step two: pretreating the raw materials: soaking the short glass fiber in 1.5% aqueous solution of silane coupling agent for 10 min; drying the soaked short glass fiber for 20min at the temperature of 80-90 ℃, then heating to 115-125 ℃, and continuing to dry for 30min to obtain the short glass fiber with the surface treated;
step three: preparing a high-density mixture: mixing high-density polyethylene, block copolymerization polypropylene, a modifier and styrene in a high-speed mixer at a speed of 1200r/min for 5min, adding the reinforcing master batch and the coloring master batch, continuously mixing for 5min, adding the composite stabilizer, and continuously mixing for 2min to obtain a high-density mixture;
step four: preparing a hollow wall special pipe;
step five: conveying the hollow wall special pipe in the fourth step into winding equipment for winding under the action of a conveyor, heating air by an air heater, wherein the temperature of the air heater is 320-340 ℃, conveying hot air to a winding and fusing position by using an air blower for heating, extruding a fusing joint, and cooling the fused hollow wall special pipe by using cooling water at the temperature of 15-20 ℃ to obtain a semi-finished product of the winding pipe;
step six: and D, rotationally drawing the semi-finished product of the winding pipe in the step five into cutting equipment for cutting to obtain a finished product of the winding pipe.
The hollow wall special pipe is prepared by the following steps:
s1, adding the short glass fiber with the treated surface obtained in the step II into the high-density mixture, mixing the mixture for 5-8min at the speed of 1000r/min in a high-speed mixer, uniformly mixing, and putting the mixture into a single-screw extruder;
s2, selecting a high-strength steel belt, loading the steel belt into a belt hanging machine, then placing the steel belt into a steel belt straightener, and heating the steel belt for 10-12 minutes by using a high-frequency heater;
and S3, stretching the steel belt into a coating die, extruding the short glass fibers in the single-screw extruder into the coating die and coating the short glass fibers on the steel belt, drawing, cooling and shaping in a vacuum environment to obtain the hollow-wall special pipe with the square cross section.
Please refer to fig. 2-7, in combination with the disclosure in the above embodiments:
the cutting equipment comprises a base 1, a limiting mechanism 2 is inserted into the upper end of the base 1, in order to enhance stability, the limiting mechanism 2 needs to be fixed by bolts after being inserted into the base 1, the problem that the limiting mechanism 2 topples and falls off is avoided, a protective mechanism 3 inserted into the upper end of the base 1 is fixed on two sides of the limiting mechanism 2 by bolts, two sliding chutes which are arranged in parallel are arranged at the front end and the rear end of the limiting mechanism 2, an adjusting mechanism 5 is arranged in each sliding chute, a first driving motor 6 and a second driving motor 7 are arranged at the front end and the rear end of the limiting mechanism 2, the first driving motor 6 is positioned at one side of the second driving motor 7, observation windows are arranged at the top part and the front end and the rear end of the limiting mechanism 2, and a cutting mechanism 8 fixed with the adjusting mechanism 5 by bolts is arranged in the limiting mechanism 2, and the inner walls of the front end and the rear end of the limiting mechanism 2 are provided with sliding rails 4 for the cutting mechanism 8 to slide.
Stop gear 2 contains casing 21, stopper 22 and plugboard 23, and casing 21's cross-section is U type structure, and casing 21's opening sets up downwards, and casing 21's lower extreme symmetry is provided with plugboard 23, and casing 21's both sides are provided with a set of stopper 22 respectively, and a set of stopper 22 comprises two stopper 22 of arranging side by side, and base 1's upper end is provided with the inserting groove with 23 looks adaptations of plugboard.
The protection mechanism 3 comprises a protection plate 31, a through groove 32 and a fixing column 33, the lower end of the protection plate 31 is symmetrically provided with the fixing column 33, the protection plate 31 is provided with the through groove 32, the through groove 32 penetrates through the protection plate 31, the upper end of the base 1 is provided with a fixing groove matched with the fixing column 33, the protection plate 31 is provided with a limiting groove matched with the limiting block 22, the limiting block 22 is inserted into the protection plate 31 through the limiting groove, the fixing column 33 is inserted into the upper end of the base 1 through the fixing groove, the fixing groove limits the fixing column 33, the problem that the protection mechanism 3 falls off is avoided, the connection reliability of the limiting mechanism 2 and the protection mechanism 3 with the base 1 is further improved, wherein, but protection machanism 3 formula structure as an organic whole is convenient for directly change protection machanism 3, also can be fixed column 33 and guard plate 31 threaded connection, is convenient for change the fixed column 33 of different specifications.
The adjusting mechanism 5 comprises a first auxiliary block 51, a sliding block 52 and a second auxiliary block 53, the first auxiliary block 51 is positioned at one side of the second auxiliary block 53, the second auxiliary block 53 and the first auxiliary block 51 are respectively connected with the inner walls of the two sides of the sliding groove, the sliding block 52 is positioned between the second auxiliary block 53 and the first auxiliary block 51, the output ends of a first driving motor 6 and a second driving motor 7 are both penetrated into the shell 21, the output ends of the first driving motor 6 and the second driving motor 7 are respectively sleeved with a first winding drum and a second winding drum, a first two-strand pull rope is wound on the first winding drum, the first pull rope bypasses the outer surface of the second auxiliary block 53 and is connected with one end of the sliding block 52, a second two-strand pull rope is wound on the second winding drum, the second pull rope bypasses the outer surface of the first auxiliary block 51 and is connected with the other end of the sliding block 52, in the use process, the first two-strand pull ropes on the first winding drum are respectively connected with one end of the two sliding blocks 52, namely, the first driving motor 6 is started to drive the two sliding blocks 52 to synchronously leftwards, because the sliding blocks 52 are fixed with the cutting mechanism 8 through bolts, the cutting mechanism 8 is driven to integrally slide on the sliding rail 4, the pulling ropes provide traction force, the sliding speed of the cutting mechanism 8 is convenient to adjust, the analogy mode shows that the two pulling ropes I on the winding drum II are respectively connected with the other ends of the two sliding blocks 52, and the two sliding blocks 52 can be driven to synchronously slide rightwards by starting the driving motor II 7.
The cutting mechanism 8 comprises a fixed ring 81, a lifting plate 82, a sliding part 83, a driving motor III 84, a rotating ring 85, a telescopic part 86 and a gear 87, wherein the sliding part 83 which is connected with the sliding rail 4 in a sliding way is symmetrically installed at the lower end of the fixed ring 81, the sliding part 83 is fixed with the fixed ring 81 through a bolt, the lifting plate 82 is installed on the inner wall of the lower end of the fixed ring 81, a driving part for driving the lifting plate 82 to lift is arranged in the fixed ring 81, a clamping groove for inserting the sliding block 52 is formed in the outer surface of the fixed ring 81, the sliding block 52 is connected with the fixed ring 81 through a fixing bolt, the driving motor III 84 is installed on the outer surface of one side of the fixed ring 81, the rotating ring 85 is installed on the outer surface of the other side of the fixed ring 81 in a rotating way, a plurality of telescopic parts 86 which are arranged in an annular array are arranged on the inner wall of the rotating ring 85, cutting blades are installed on the output ends of the telescopic parts 86, the output ends of the driving motor III 84 penetrate through the fixed ring 81, and the output end of the driving motor III 84 is sleeved with a gear 87, the gear 87 is meshed with the outer surface of the rotating ring 85, namely the end surface of the gear, the upper end of the base 1 is also provided with a discharging groove, scraps generated in the cutting process are discharged through the discharging groove, and the lower end of the base 1 is placed in a material collecting box to be collected.
The cutting equipment is applied to the production process of the winding pipe, and the specific use method is as follows:
the semi-finished product of the winding pipe is rotationally pulled into the cutting equipment, the driving piece, namely the air cylinder, is started to drive the lifting plate 82 to lift until the lifting plate is contacted with the lower surface of the semi-finished product of the winding pipe, at the moment, the semi-finished product of the winding pipe, the fixing ring 81 and the central axis of the rotating ring 85 are superposed, when the semi-finished product of the winding pipe reaches the specified cutting length, the cutting mechanism 8 is simultaneously started, the first driving motor 6 is respectively started to drive the two sliding blocks 52 positioned at the same side of the shell 21 to synchronously slide leftwards, the sliding blocks 52 are fixed with the cutting mechanism 8 through bolts, so that the cutting mechanism 8 is driven to integrally slide on the sliding rails 4, the pulling rope provides traction force, the sliding speed of the cutting mechanism 8 is convenient to adjust until the sliding speed of the cutting mechanism 8 and the advancing speed of the semi-finished product of the winding pipe are kept the same, and during the period, the second driving motor 7 keeps the rotating speed the same as that of the first driving motor 6, the difference is that, driving motor 6 rolling stay cord one, driving motor two 7 unreels stay cord two, starts extensible member 86 and carries out the feed, promotes cutting blade promptly and removes to being close to winding pipe semi-manufactured goods direction, starts three 84 driving gear 87 rotations of driving motor among the cutting mechanism 8 simultaneously, and then drives cutting blade and cuts winding pipe semi-manufactured goods along with the rotation of rotating ring 85, obtains the winding pipe finished product that the incision is level and smooth.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The production process of the high-modulus impact-resistant hollow wall winding pipe is characterized by comprising the following steps of:
the method comprises the following steps: weighing raw materials according to the weight parts of the components;
step two: pretreating the raw materials: soaking the short glass fiber in the treatment solution for 10 min; drying the soaked short glass fibers to obtain short glass fibers with treated surfaces;
step three: preparing a high-density mixture: mixing high-density polyethylene, block copolymerization polypropylene, a modifier and styrene in a high-speed mixer, adding the reinforced master batch and the coloring master batch, continuously mixing for 5min, adding the composite stabilizer, and continuously mixing for 2min to obtain a high-density mixture;
step four: preparing a hollow wall special pipe;
step five: conveying the hollow wall special pipe in the fourth step into winding equipment for winding under the action of a conveyor, heating air through an air heater, conveying hot air to a winding and fusing position by using an air blower for heating, extruding a fusing joint, and cooling the fused hollow wall special pipe to obtain a semi-finished product of the winding pipe;
step six: and D, rotationally drawing the winding pipe semi-finished product in the step five into the cutting equipment, and when the winding pipe semi-finished product reaches the specified cutting length by a cutting mechanism (8) of the cutting equipment, driving a gear (87) to rotate by a driving motor III (84), so as to drive a cutting blade to cut the winding pipe semi-finished product along with the rotation of a rotating ring (85), thereby obtaining the winding pipe finished product.
2. The process for producing a high modulus impact resistant hollow wall winding pipe as claimed in claim 1, wherein the treating fluid in the second step is an aqueous solution of silane coupling agent with a mass concentration of 1.5%.
3. The process for producing a high modulus impact resistant hollow wall winding pipe as claimed in claim 1, wherein the drying in step two is drying at 80-90 ℃ for 20min, then heating to 115-125 ℃ and continuing to dry for 30 min.
4. The production process of a high modulus impact resistant hollow wall winding pipe as claimed in claim 1, wherein in step three, mixing in a high mixing machine means: mixing materials for 5min under the condition of 1200 r/min.
5. The process for producing a high modulus impact resistant hollow wall wound tube as claimed in claim 1, wherein the composite stabilizer in step three is a mixture of antioxidant 1010 and triphenyl phosphite in a mass ratio of 1: 1.5.
6. The process for producing a high modulus impact resistant hollow wall wound tube as claimed in claim 1, wherein in step five, cooling water with a temperature of 15-20 ℃ is used for cooling.
7. The process for producing a high modulus impact resistant hollow wall winding pipe as claimed in claim 1, wherein the cutting mechanism 8 in the sixth step is used to maintain the synchronous drawing speed with the winding pipe during the cutting process.
8. The production process of high modulus impact resistant hollow wall winding pipe according to claim 1, wherein the cutting equipment in step six is used as follows: when the winding pipe semi-finished product reaches the specified cutting length, one side of the cutting mechanism (8) keeps synchronous traction speed with the winding pipe, the other side of the cutting mechanism rotates along with the driving gear (87) of the driving motor III (84), and then the cutting blade is driven to cut the winding pipe semi-finished product along with the rotation of the rotating ring (85), so that a winding pipe finished product is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111294986.4A CN114161744B (en) | 2021-11-03 | 2021-11-03 | Production process of high-modulus impact-resistant hollow wall winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111294986.4A CN114161744B (en) | 2021-11-03 | 2021-11-03 | Production process of high-modulus impact-resistant hollow wall winding pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114161744A true CN114161744A (en) | 2022-03-11 |
| CN114161744B CN114161744B (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111294986.4A Active CN114161744B (en) | 2021-11-03 | 2021-11-03 | Production process of high-modulus impact-resistant hollow wall winding pipe |
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| CN (1) | CN114161744B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003744A1 (en) * | 2010-07-06 | 2012-01-12 | Dai Aiqing | Tubular product with outer corrugated type plastic winding structural walls reinforced with internal ribs and the manufaturing method thereof |
| CN110805754A (en) * | 2019-11-05 | 2020-02-18 | 安徽杰蓝特新材料有限公司 | High-rigidity antistatic hollow wall winding pipe and processing technology thereof |
| CN112793117A (en) * | 2020-12-24 | 2021-05-14 | 安徽杰蓝特新材料有限公司 | High-modulus impact-resistant hollow wall winding pipe and preparation method thereof |
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2021
- 2021-11-03 CN CN202111294986.4A patent/CN114161744B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003744A1 (en) * | 2010-07-06 | 2012-01-12 | Dai Aiqing | Tubular product with outer corrugated type plastic winding structural walls reinforced with internal ribs and the manufaturing method thereof |
| CN110805754A (en) * | 2019-11-05 | 2020-02-18 | 安徽杰蓝特新材料有限公司 | High-rigidity antistatic hollow wall winding pipe and processing technology thereof |
| CN112793117A (en) * | 2020-12-24 | 2021-05-14 | 安徽杰蓝特新材料有限公司 | High-modulus impact-resistant hollow wall winding pipe and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 北京化工学院、华南工学院: "《塑料挤出工 中、高级 培训教程》", 中国轻工业出版社, pages: 298 - 299 * |
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