CN111113846B - Plastic pipe and manufacturing device and method thereof - Google Patents
Plastic pipe and manufacturing device and method thereof Download PDFInfo
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- CN111113846B CN111113846B CN201911416562.3A CN201911416562A CN111113846B CN 111113846 B CN111113846 B CN 111113846B CN 201911416562 A CN201911416562 A CN 201911416562A CN 111113846 B CN111113846 B CN 111113846B
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- 239000004033 plastic Substances 0.000 title claims abstract description 76
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000004090 dissolution Methods 0.000 claims abstract description 6
- 238000005485 electric heating Methods 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims description 40
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 238000005507 spraying Methods 0.000 claims 2
- 239000007822 coupling agent Substances 0.000 abstract description 3
- 239000003063 flame retardant Substances 0.000 abstract description 3
- 229920000098 polyolefin Polymers 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 abstract description 3
- 208000034189 Sclerosis Diseases 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 18
- 235000017491 Bambusa tulda Nutrition 0.000 description 18
- 241001330002 Bambuseae Species 0.000 description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 18
- 239000011425 bamboo Substances 0.000 description 18
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003000 extruded plastic Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
-
- 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
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- 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
Abstract
A plastic pipe and a manufacturing device and method thereof are disclosed, wherein the plastic pipe is composed of the following raw materials by weight: 5 parts of polyolefin, 3 parts of thermoplastic elastomer, 1 part of fire retardant and 0.5 part of coupling agent; the process comprises the following steps: opening the round cover, adding plastic with dissolution into the extrusion molding cylinder from the feeding pipe, electrifying the electric heating wires on the outer circumferential surface of the extrusion molding cylinder, and heating the plastic in the extrusion molding cylinder to melt the plastic; the conical block slides left and right, and the distance between the outer side conical wall of the conical block and the inner side conical wall of the conical cylinder is adjusted; when the output shaft of the motor I rotates, the screw rod can be driven to rotate by taking the axis of the screw rod as a shaft to control the push plate to move left and right, and the plastic in the extrusion molding cylinder is extruded; can insert cold air in air inlet department, cold air gets into in the hollow ring and spout from a plurality of air jet departments, and the pipeline that is extruded passes hollow ring, is cooled off the sclerosis fast by a plurality of air jet department's spun cold air.
Description
Technical Field
The invention relates to the field of plastic pipe manufacturing, in particular to a plastic pipe and a manufacturing device and method thereof.
Background
The invention discloses a composite plastic pipe manufacturing device disclosed in application number CN201711413948.X, which structurally comprises a display screen, a function panel, function keys, a switch button, a main shaft, a fixed block, a motor, a handle, a cabinet door, a shell, supporting legs, an air blower and a connecting pipe, wherein the function panel is mechanically connected with the shell at an angle of one hundred thirty degrees, the display screen is arranged on the left side of the function panel, the function keys and the switch button are arranged on the function panel, the function keys, the switch button and the display screen are electrically connected in pairs, one end of the main shaft is mechanically connected with the shell, and the other end of the main shaft penetrates through the fixed block, and the composite plastic pipe manufacturing device has the beneficial effects that: the plastic mold cooling device is provided with the air inlet pipe, the rotating shaft, the bearing, the impeller and the air outlet pipe, the plastic mold is cooled by wind power generated by the air blower, the mold cooling time is greatly reduced, the overall production efficiency of a product is improved, and the practicability is high. However, the patent does not allow the thickness of the wall of the tube to be adjusted in the manufactured plastic tube.
Disclosure of Invention
The invention provides a plastic pipe manufacturing device, which has the beneficial effect that the thickness of the pipe wall in the manufactured plastic pipe can be adjusted.
The invention relates to the field of plastic pipe manufacturing, in particular to a plastic pipe manufacturing device which comprises an extrusion molding cylinder, a conical cylinder, a fastening screw I, a beam rod, a round cover, a feeding pipe, a conical block, a cylindrical block, a transverse round rod and a push plate.
The upper portion of an extrusion molding section of thick bamboo is provided with the inlet pipe, there is the dome on the upper portion of inlet pipe through threaded connection, the right-hand member of an extrusion molding section of thick bamboo is provided with a toper section of thick bamboo, the left end fixedly connected with beam pole of an extrusion molding section of thick bamboo, horizontal sliding connection of circle pole is at the middle part of beam pole, there is fastening screw I through threaded connection on the beam pole, fastening screw I pushes up on the circle pole, the right-hand member fixedly connected with circular cone piece of circle pole, the right-hand member fixedly connected with cylinder piece of circular cone piece, push pedal sliding connection is in an extrusion molding section of thick bamboo, push pedal sliding connection is on the circle pole, an extrusion molding section of thick bamboo, a toper section of thick bamboo, the circular cone piece, the cylinder piece, the equal coaxial setting of push pedal, be provided with the heating wire on the outer peripheral face of an extrusion molding section of thick bamboo.
The plastic tubing manufacturing installation still includes bracing piece, L shape folding rod, motor I and lead screw, and the left side fixedly connected with L shape folding rod of push pedal, the equal fixedly connected with bracing piece in both ends about the extrusion molding section of thick bamboo lower part, fixedly connected with motor I on the bracing piece that is located the left end, fixedly connected with lead screw on motor I's the output shaft, the lead screw cooperatees through the lower part of screw and L shape folding rod.
The plastic tubing manufacturing installation still includes bottom plate, hollow ring, air inlet, air jet and support column, the equal fixed connection in lower part of two bracing pieces is on the bottom plate, fixedly connected with support column on the bottom plate, the hollow ring of upper portion fixedly connected with of support column, hollow ring is hollow structure, it has a plurality of air jets to be the annular equipartition on the inner peripheral surface of hollow ring, the upper portion of hollow ring is provided with the air inlet, air inlet and a plurality of air jet all are linked together with hollow ring's inside, hollow ring is located the right-hand member of an extrusion molding section of thick bamboo.
The plastic tubing manufacturing installation still includes door shape frame, erect the sliding hole, the ring, grind the ring, the square column, lantern ring and spacing lug, the right part fixedly connected with door shape frame of bottom plate, door shape frame is provided with two and erects the sliding hole, equal vertical sliding connection has the square column on two perpendicular sliding holes, the equal fixedly connected with lantern ring in upper portion of two square columns, it is connected with the ring to rotate on two lantern rings, equal fixedly connected with grinds the ring on the inner peripheral surface of two rings, two spacing lugs in the equal fixedly connected with in the outside of two rings, two spacing lugs on the same ring are located the left and right sides of corresponding lantern ring respectively, two rings all set up the right side at hollow ring.
The plastic tubing manufacturing installation still includes motor II, gear and ring gear, the equal fixedly connected with ring gear in one side of two rings, the equal fixedly connected with motor II in upper portion of two square columns, equal fixedly connected with gear on two motor II's the output shaft, two gears respectively with two ring gear meshing transmission.
The plastic pipe manufacturing device further comprises an opening, sliding cylindrical grooves, a lever, a front shaft and sliding cylinders, the front side middle part of the door-shaped frame is fixedly connected with the front shaft, the front parts of the two vertical sliding holes are provided with openings, the front sides of the two square columns are fixedly connected with the sliding cylinders, the middle part of the lever is rotatably connected to the front end of the front shaft, the sliding cylindrical grooves are formed in the left end and the right end of the lever, and the two sliding cylinders are respectively connected to the two sliding cylindrical grooves in a sliding mode.
The plastic tubing manufacturing installation still includes the top shoe, press the cylinder, the bottom shoe, erect the track pole, fastening screw II and extension post, the right-hand member fixedly connected with extension post of lever, the upside fixedly connected with of bottom plate erects the track pole, the upper portion sliding connection who erects the track pole has the top shoe, there is fastening screw II through threaded connection on the top shoe, fastening screw II pushes up on erecting the track pole, the middle part sliding connection who erects the track pole has the bottom shoe, the rear side fixedly connected with pressure cylinder of bottom shoe, it has cup jointed compression spring on the track pole to erect, compression spring is located between top shoe and the bottom shoe, press the cylinder to press the upside at the extension post.
A method of manufacturing a plastic tube, the method comprising the steps of:
the method comprises the following steps: opening the round cover, adding plastic with dissolution into the extrusion molding cylinder from the feeding pipe, electrifying the electric heating wires on the outer circumferential surface of the extrusion molding cylinder, and heating the plastic in the extrusion molding cylinder to melt the plastic;
step two: the conical block slides left and right, and the distance between the outer side conical wall of the conical block and the inner side conical wall of the conical cylinder is adjusted;
step three: when the output shaft of the motor I rotates, the screw rod can be driven to rotate by taking the axis of the screw rod as a shaft to control the push plate to move left and right, and the plastic in the extrusion molding cylinder is extruded;
step four: cold air can be connected to the air inlet, the cold air enters the hollow ring and is sprayed out from the plurality of air nozzles, and the extruded pipeline penetrates through the hollow ring and is quickly cooled and hardened by the cold air sprayed out from the plurality of air nozzles;
step five: the upper part of one grinding ring is in contact with the pipeline, the lower part of the other grinding ring is in contact with the pipeline, the two grinding rings are controlled to rotate, and the outer side of the pipeline is ground.
The plastic pipe is composed of the following raw materials in parts by weight: 5 parts of polyolefin, 3 parts of thermoplastic elastomer, 1 part of fire retardant and 0.5 part of coupling agent.
The plastic pipe manufacturing device has the beneficial effects that:
the invention relates to a plastic pipe manufacturing device, which can adjust the thickness of the pipe wall in a manufactured plastic pipe. The cross round bar can slide from side to side on the beam pole, and then drives circular cone piece and cylinder piece and slide from side to side, and when circular cone piece slided from side to side, can adjust the interval between the outside conical wall of circular cone piece and the inboard conical wall of a toper section of thick bamboo, the interval is big more, and the pipe wall thickness of the plastic conduit of extrusion molding play is thicker, and otherwise thinner, and then can control the pipe wall thickness through the cross round bar that slides from side to side, and rotating fastening screw I top can be fixed with the cross round bar on the cross round bar.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a first schematic view of the overall structure of a plastic pipe and an apparatus and method for manufacturing the same according to the present invention;
FIG. 2 is a schematic view of the overall structure of a plastic pipe and a manufacturing apparatus and method thereof according to the present invention;
FIG. 3 is a first schematic view of the structure of the extrusion cylinder and the conical block;
FIG. 4 is a second schematic view of the construction of the extrusion cylinder and the conical block;
FIG. 5 is a schematic structural view of a base plate;
FIG. 6 is a schematic structural view of a gantry;
FIG. 7 is a first schematic view of a ring;
fig. 8 is a second schematic structural view of a ring.
In the figure: an extrusion molding cylinder 1; a tapered barrel 101; a support rod 102; a fastening screw I103; a beam 104; a dome 105; a feed tube 106; a conical block 2; a cylindrical block 201; a cross round bar 202; a push plate 203; an L-shaped folding bar 204; a motor I205; a lead screw 206; a base plate 3; a hollow ring 301; an air inlet 302; an air jet 303; a support post 304; an upper slider 305; pressing the cylinder 306; a lower slider 307; a vertical track rod 308; fastening screw II 309; a door-shaped frame 4; a vertical slide hole 401; an opening 402; an elongated post 403; a smooth cylindrical groove 404; a lever 405; a front axle 406; a circular ring 5; a grinding ring 501; motor II 502; a square column 503; a sliding cylinder 504; a gear 505; a collar 506; a toothed ring 507; and a limiting bump 508.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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.
The first embodiment is as follows:
the present invention relates to the field of plastic pipe manufacturing, and more particularly to a plastic pipe manufacturing apparatus, which comprises an extrusion cylinder 1, a tapered cylinder 101, a fastening screw I103, a beam 104, a round cover 105, a feeding pipe 106, a tapered block 2, a cylindrical block 201, a transverse round bar 202 and a push plate 203, and is described in conjunction with fig. 1-8.
The upper portion of an extrusion molding section of thick bamboo 1 is provided with the inlet pipe 106, there is the dome 105 on the upper portion of inlet pipe 106 through threaded connection, the right-hand member of an extrusion molding section of thick bamboo 1 is provided with a toper section of thick bamboo 101, the left end fixedly connected with beam pole 104 of an extrusion molding section of thick bamboo 1, horizontal round bar 202 lateral sliding connection is at the middle part of beam pole 104, there is fastening screw I103 through threaded connection on the beam pole 104, fastening screw I103 pushes up on horizontal round bar 202, the right-hand member fixedly connected with circular cone block 2 of horizontal round bar 202, the right-hand member fixedly connected with cylinder block 201 of circular cone block 2, push pedal 203 sliding connection is in an extrusion molding section of thick bamboo 1, a toper section of thick bamboo 101, circular cone block 2, cylinder block 201, push pedal 203 is all coaxial setting, be provided with the heating wire on the outer peripheral face of an extrusion molding section of thick bamboo 1. When the plastic extruding cylinder is used, the round cover 105 is opened, plastic with dissolution is added into the extruding cylinder 1 from the feeding pipe 106, the electric heating wire on the peripheral surface of the extruding cylinder 1 is electrified, and the plastic in the extruding cylinder 1 is heated, so that the plastic is melted; the transverse round rod 202 can slide left and right on the beam rod 104, and then drives the conical block 2 and the cylindrical block 201 to slide left and right, when the conical block 2 slides left and right, the distance between the outer side conical wall of the conical block 2 and the inner side conical wall of the conical cylinder 101 can be adjusted, the larger the distance is, the thicker the pipe wall thickness of the extruded plastic pipe is, otherwise, the thinner the pipe wall thickness is, and then the pipe wall thickness can be controlled through the transverse round rod 202 sliding left and right, and the transverse round rod 202 can be fixed by rotating the fastening screw I103 and pushing against the transverse round rod 202. The cylindrical block 201 is used for enabling the extrusion outlet at the right end of the conical barrel 101 to be annular, and then extruding out of a pipeline. After the round cover 105 is closed, the push plate 203 is pushed rightwards, so that the plastic in the extrusion cylinder 1 can be extruded out, and a pipeline is formed.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 8, the plastic tube manufacturing apparatus further includes a support rod 102, an L-shaped folding rod 204, a motor I205, and a screw rod 206, the L-shaped folding rod 204 is fixedly connected to the left side of the push plate 203, the support rod 102 is fixedly connected to both the left and right ends of the lower portion of the extrusion molding barrel 1, the motor I205 is fixedly connected to the support rod 102 located at the left end, the screw rod 206 is fixedly connected to the output shaft of the motor I205, and the screw rod 206 is engaged with the lower portion of the L-shaped folding rod 204 through a thread. When the output shaft of the motor I205 rotates, the screw rod 206 can be driven to rotate by taking the axis of the screw rod as a shaft, the L-shaped folding rod 204 is driven to move left and right, the push plate 203 is controlled to move left and right, and the plastic in the extrusion molding cylinder 1 is extruded.
The third concrete implementation mode:
the present embodiment is described below with reference to fig. 1 to 8, the plastic tube manufacturing apparatus further includes a bottom plate 3, a hollow ring 301, an air inlet 302, an air jet 303 and a support column 304, the lower portions of the two support rods 102 are all fixedly connected to the bottom plate 3, the support column 304 is fixedly connected to the bottom plate 3, the upper portion of the support column 304 is fixedly connected to the hollow ring 301, the hollow ring 301 is of a hollow structure, a plurality of air jets 303 are uniformly distributed on the inner circumferential surface of the hollow ring 301 in an annular manner, the air inlet 302 is arranged on the upper portion of the hollow ring 301, the air inlet 302 and the plurality of air jets 303 are all communicated with the inside of the hollow ring 301, and the hollow ring 301 is located at the right end of the extrusion molding barrel 1. Cold air can be connected to the air inlet 302, enters the hollow ring 301 and is sprayed out from the plurality of air outlets 303, and the extruded pipeline penetrates through the hollow ring 301 and is rapidly cooled and hardened by the cold air sprayed out from the plurality of air outlets 303.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 8, the plastic pipe manufacturing apparatus further includes a door-shaped frame 4, vertical sliding holes 401, circular rings 5, grinding rings 501, square columns 503, lantern rings 506 and limiting lugs 508, the right portion of the bottom plate 3 is fixedly connected with the door-shaped frame 4, the door-shaped frame 4 is provided with two vertical sliding holes 401, the two vertical sliding holes 401 are vertically and slidably connected with the square columns 503, the upper portions of the two square columns 503 are fixedly connected with the lantern rings 506, the two lantern rings 506 are rotatably connected with the circular rings 5, the inner circumferential surfaces of the two circular rings 5 are fixedly connected with the grinding rings 501, the outer sides of the two circular rings 5 are fixedly connected with the two limiting lugs 508, the two limiting lugs 508 on the same circular ring 5 are respectively located on the left side and the right side of the corresponding lantern rings 506, and the two circular rings 5 are both disposed on the right side of the hollow ring 301. The pipeline that is extruded passes hollow ring 301 and passes two rings 5 again after hardening, two square columns 503 all can be vertical slip on door-shaped frame 4, and then adjust two rings 5's upper and lower positions, make the upper portion and the pipeline contact of a grinding ring 501, another grinding ring 501's lower part and pipeline contact, two grinding rings 501 exert upwards and decurrent power to the pipeline respectively, make the pipeline atress even, and control two grinding rings 501 and all rotate, polish the outside of pipeline, reduce the burr on the pipeline.
The fifth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 8, the plastic tube manufacturing apparatus further includes a motor II502, a gear 505, and a toothed ring 507, the toothed ring 507 is fixedly connected to one side of each of the two circular rings 5, the motor II502 is fixedly connected to the upper portions of the two square columns 503, the gear 505 is fixedly connected to the output shafts of the two motors II502, and the two gears 505 are respectively in meshing transmission with the two toothed rings 507. Motor II502 can drive gear 505 and rotate, and gear 505 drives ring gear 507 when rotating and rotates, and then drives ring 5 and grinding ring 501 to rotate and polish the pipeline.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1 to 8, the plastic pipe manufacturing apparatus further includes an opening 402, a sliding cylindrical groove 404, a lever 405, a front shaft 406 and a sliding cylindrical column 504, the front shaft 406 is fixedly connected to the middle portion of the front side of the gantry 4, the openings 402 are respectively disposed at the front portions of the two vertical sliding holes 401, the sliding cylindrical columns 504 are fixedly connected to the front sides of the two square columns 503, the middle portion of the lever 405 is rotatably connected to the front end of the front shaft 406, the sliding cylindrical grooves 404 are respectively disposed at the left and right ends of the lever 405, and the two sliding cylindrical columns 504 are respectively slidably connected to the two sliding cylindrical grooves 404. When the lever 405 rotates on the front axle 406, the two sliding cylinders 504 can be driven to move in opposite directions for the same distance, so that one of the two circular rings 5 moves upwards, the other moves downwards, the upper part of one grinding ring 501 is in contact with the pipeline, the lower part of the other grinding ring 501 is in contact with the pipeline, and the two grinding rings 501 apply upward and downward forces to the pipeline respectively, so that the stress on the pipeline is uniform.
The seventh embodiment:
the embodiment is described below with reference to fig. 1 to 8, the plastic pipe manufacturing apparatus further includes an upper slider 305, a pressing cylinder 306, a lower slider 307, a vertical rail rod 308, a fastening screw II309 and an extension column 403, the right end of the lever 405 is fixedly connected with the extension column 403, the upper side of the bottom plate 3 is fixedly connected with the vertical rail rod 308, the upper portion of the vertical rail rod 308 is slidably connected with the upper slider 305, the upper slider 305 is connected with the fastening screw II309 through a thread, the fastening screw II309 abuts against the vertical rail rod 308, the middle portion of the vertical rail rod 308 is slidably connected with the lower slider 307, the rear side of the lower slider 307 is fixedly connected with the pressing cylinder 306, the vertical rail rod 308 is sleeved with a compression spring, the compression spring is located between the upper slider 305 and the lower slider 307, and the pressing cylinder 306 presses the upper side of the extension column 403. A compression spring on the vertical track rod 308 applies downward force to the lower slider 307 and the pressing cylinder 306, the pressing cylinder 306 applies clockwise rotation force to the lengthening column 403 and the lever 405, so that the upper part of one grinding ring 501 is pressed on the pipeline, the lower part of the other grinding ring 501 is pressed on the pipeline, and the pipeline can be ground when the two grinding rings 501 rotate; the up-down position of the upper sliding block 305 can be adjusted, the upper sliding block 305 is fixed through a fastening screw II309, the compressed degree of a compression spring is further adjusted, and finally the grinding force of the two grinding rings 501 is adjusted.
A method of manufacturing a plastic tube, the method comprising the steps of:
the method comprises the following steps: opening the round cover 105, adding the plastic with dissolution into the extrusion molding cylinder 1 from the feeding pipe 106, electrifying the heating wire on the peripheral surface of the extrusion molding cylinder 1, and heating the plastic in the extrusion molding cylinder 1 to melt the plastic;
step two: the conical block 2 slides left and right, and the distance between the outer side conical wall of the conical block 2 and the inner side conical wall of the conical cylinder 101 is adjusted;
step three: when the output shaft of the motor I205 rotates, the screw rod 206 can be driven to rotate by taking the axis of the screw rod as a shaft to control the push plate 203 to move left and right, and plastic in the extrusion molding cylinder 1 is extruded;
step four: cold air can be introduced into the air inlet 302, enters the hollow ring 301 and is sprayed out from the plurality of air outlets 303, and the extruded pipeline penetrates through the hollow ring 301 and is rapidly cooled and hardened by the cold air sprayed out from the plurality of air outlets 303;
step five: the upper part of one grinding ring 501 is in contact with the pipeline, the lower part of the other grinding ring 501 is in contact with the pipeline, the two grinding rings 501 are controlled to rotate, and the outer side of the pipeline is ground.
The plastic pipe is composed of the following raw materials in parts by weight: 5 parts of polyolefin, 3 parts of thermoplastic elastomer, 1 part of fire retardant and 0.5 part of coupling agent.
The working principle of the invention is as follows: when the plastic extruding cylinder is used, the round cover 105 is opened, plastic with dissolution is added into the extruding cylinder 1 from the feeding pipe 106, the electric heating wire on the peripheral surface of the extruding cylinder 1 is electrified, and the plastic in the extruding cylinder 1 is heated, so that the plastic is melted; the transverse round rod 202 can slide left and right on the beam rod 104, and then drives the conical block 2 and the cylindrical block 201 to slide left and right, when the conical block 2 slides left and right, the distance between the outer side conical wall of the conical block 2 and the inner side conical wall of the conical cylinder 101 can be adjusted, the larger the distance is, the thicker the pipe wall thickness of the extruded plastic pipe is, otherwise, the thinner the pipe wall thickness is, and then the pipe wall thickness can be controlled through the transverse round rod 202 sliding left and right, and the transverse round rod 202 can be fixed by rotating the fastening screw I103 and pushing against the transverse round rod 202. The cylindrical block 201 is used for enabling the extrusion outlet at the right end of the conical barrel 101 to be annular, and then extruding out of a pipeline. After the round cover 105 is closed, the push plate 203 is pushed rightwards, so that the plastic in the extrusion cylinder 1 can be extruded out, and a pipeline is formed. When the output shaft of the motor I205 rotates, the screw rod 206 can be driven to rotate by taking the axis of the screw rod as a shaft, the L-shaped folding rod 204 is driven to move left and right, the push plate 203 is controlled to move left and right, and the plastic in the extrusion molding cylinder 1 is extruded. Cold air can be connected to the air inlet 302, enters the hollow ring 301 and is sprayed out from the plurality of air outlets 303, and the extruded pipeline penetrates through the hollow ring 301 and is rapidly cooled and hardened by the cold air sprayed out from the plurality of air outlets 303. The pipeline that is extruded passes hollow ring 301 and passes two rings 5 again after hardening, two square columns 503 all can be vertical slip on door-shaped frame 4, and then adjust two rings 5's upper and lower positions, make the upper portion and the pipeline contact of a grinding ring 501, another grinding ring 501's lower part and pipeline contact, two grinding rings 501 exert upwards and decurrent power to the pipeline respectively, make the pipeline atress even, and control two grinding rings 501 and all rotate, polish the outside of pipeline, reduce the burr on the pipeline. Motor II502 can drive gear 505 and rotate, and gear 505 drives ring gear 507 when rotating and rotates, and then drives ring 5 and grinding ring 501 to rotate and polish the pipeline. When the lever 405 rotates on the front axle 406, the two sliding cylinders 504 can be driven to move in opposite directions for the same distance, so that one of the two circular rings 5 moves upwards, the other moves downwards, the upper part of one grinding ring 501 is in contact with the pipeline, the lower part of the other grinding ring 501 is in contact with the pipeline, and the two grinding rings 501 apply upward and downward forces to the pipeline respectively, so that the stress on the pipeline is uniform. A compression spring on the vertical track rod 308 applies downward force to the lower slider 307 and the pressing cylinder 306, the pressing cylinder 306 applies clockwise rotation force to the lengthening column 403 and the lever 405, so that the upper part of one grinding ring 501 is pressed on the pipeline, the lower part of the other grinding ring 501 is pressed on the pipeline, and the pipeline can be ground when the two grinding rings 501 rotate; the up-down position of the upper sliding block 305 can be adjusted, the upper sliding block 305 is fixed through a fastening screw II309, the compressed degree of a compression spring is further adjusted, and finally the grinding force of the two grinding rings 501 is adjusted.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (2)
1. A plastic pipe manufacturing device comprises an extrusion molding cylinder (1), a conical cylinder (101), a fastening screw I (103), a beam rod (104), a round cover (105), a feeding pipe (106), a conical block (2), a cylindrical block (201), a transverse round rod (202) and a push plate (203), and is characterized in that: the upper portion of an extrusion molding cylinder (1) is provided with a feeding pipe (106), the upper portion of the feeding pipe (106) is connected with a round cover (105) through threads, the right end of the extrusion molding cylinder (1) is provided with a conical cylinder (101), the left end of the extrusion molding cylinder (1) is fixedly connected with a beam rod (104), a transverse round rod (202) is transversely connected to the middle of the beam rod (104) in a sliding manner, the beam rod (104) is connected with a fastening screw I (103) through threads, the fastening screw I (103) is supported on the transverse round rod (202), the right end of the transverse round rod (202) is fixedly connected with a conical block (2), the right end of the conical block (2) is fixedly connected with a cylindrical block (201), a push plate (203) is connected in the extrusion molding cylinder (1) in a sliding manner, the push plate (203) is connected on the transverse round rod (202) in a sliding manner, the extrusion molding cylinder (1), the conical cylinder (101), the conical block (2), the cylindrical block (201) and the push plate (203) are coaxially arranged, the peripheral surface of the extrusion molding cylinder (1) is provided with an electric heating wire;
the plastic tube manufacturing device further comprises a supporting rod (102), an L-shaped folding rod (204), a motor I (205) and a lead screw (206), the L-shaped folding rod (204) is fixedly connected to the left side of the pushing plate (203), the supporting rod (102) is fixedly connected to the left end and the right end of the lower portion of the extrusion molding cylinder (1), the motor I (205) is fixedly connected to the supporting rod (102) located at the left end, the lead screw (206) is fixedly connected to an output shaft of the motor I (205), and the lead screw (206) is matched with the lower portion of the L-shaped folding rod (204) through threads;
the plastic pipe manufacturing device further comprises a bottom plate (3), hollow rings (301), an air inlet (302), air injection ports (303) and support columns (304), the lower parts of the two support rods (102) are fixedly connected to the bottom plate (3), the support columns (304) are fixedly connected to the bottom plate (3), the upper parts of the support columns (304) are fixedly connected to the hollow rings (301), the hollow rings (301) are of a hollow structure, a plurality of air injection ports (303) are annularly and uniformly distributed on the inner circumferential surface of each hollow ring (301), the air inlet (302) is arranged on the upper part of each hollow ring (301), the air inlet (302) and the air injection ports (303) are communicated with the inside of each hollow ring (301), and the hollow rings (301) are located at the right end of the extrusion molding cylinder (1);
the plastic pipe manufacturing device also comprises a door-shaped frame (4), a vertical sliding hole (401), a circular ring (5), a grinding ring (501), a square column (503), a lantern ring (506) and a limit bump (508), the right part of the bottom plate (3) is fixedly connected with a door-shaped frame (4), the door-shaped frame (4) is provided with two vertical sliding holes (401), square columns (503) are vertically and slidably connected to the two vertical sliding holes (401), lantern rings (506) are fixedly connected to the upper parts of the two square columns (503), circular rings (5) are rotatably connected to the two lantern rings (506), grinding rings (501) are fixedly connected to the inner circumferential surfaces of the two circular rings (5), two limiting lugs (508) are fixedly connected to the outer sides of the two circular rings (5), the two limiting lugs (508) on the same circular ring (5) are respectively positioned at the left side and the right side of the corresponding lantern ring (506), and the two circular rings (5) are arranged at the right side of the hollow ring (301);
the plastic pipe manufacturing device further comprises a motor II (502), gears (505) and toothed rings (507), wherein the toothed rings (507) are fixedly connected to one sides of the two circular rings (5), the motors II (502) are fixedly connected to the upper parts of the two square columns (503), the gears (505) are fixedly connected to output shafts of the two motors II (502), and the two gears (505) are respectively in meshing transmission with the two toothed rings (507);
the plastic pipe manufacturing device further comprises an opening (402), a sliding cylindrical groove (404), a lever (405), a front shaft (406) and sliding cylinders (504), the middle part of the front side of the door-shaped frame (4) is fixedly connected with the front shaft (406), the front parts of the two vertical sliding holes (401) are respectively provided with the opening (402), the front sides of the two square columns (503) are respectively fixedly connected with the sliding cylinders (504), the middle part of the lever (405) is rotatably connected to the front end of the front shaft (406), the left end and the right end of the lever (405) are respectively provided with the sliding cylindrical groove (404), and the two sliding cylinders (504) are respectively and slidably connected to the two sliding cylindrical grooves (404);
the plastic pipe manufacturing device also comprises an upper slide block (305), a pressing cylinder (306), a lower slide block (307), a vertical track rod (308), a fastening screw II (309) and a lengthening column (403), the right-hand member fixedly connected with of lever (405) adds long post (403), the upside fixedly connected with of bottom plate (3) erects track pole (308), the upper portion sliding connection who erects track pole (308) has slider (305), there are fastening screw II (309) through threaded connection on slider (305), fastening screw II (309) top is on erecting track pole (308), the middle part sliding connection who erects track pole (308) has lower slider (307), the rear side fixedly connected with of lower slider (307) presses cylinder (306), it has compression spring to cup joint on track pole (308), compression spring is located between slider (305) and lower slider (307), it presses the upside that adds long post (403) to press cylinder (306).
2. A method of manufacturing a plastic tube using a plastic tube manufacturing apparatus according to claim 1, wherein: the method comprises the following steps:
the method comprises the following steps: opening the round cover (105), adding plastic with dissolution into the extrusion molding cylinder (1) from the feeding pipe (106), electrifying the electric heating wire on the peripheral surface of the extrusion molding cylinder (1), and heating the plastic in the extrusion molding cylinder (1) to melt the plastic;
step two: the conical block (2) slides left and right, and the distance between the outer side conical wall of the conical block (2) and the inner side conical wall of the conical cylinder (101) is adjusted;
step three: when the output shaft of the motor I (205) rotates, the screw rod (206) can be driven to rotate by taking the axis of the screw rod as a shaft to control the push plate (203) to move left and right, and plastic in the extrusion molding cylinder (1) is extruded;
step four: cold air can be connected to the air inlet (302), the cold air enters the hollow ring (301) and is sprayed out from the plurality of air spraying ports (303), the extruded pipeline penetrates through the hollow ring (301), and the extruded pipeline is rapidly cooled and hardened by the cold air sprayed out from the plurality of air spraying ports (303);
step five: the upper part of one grinding ring (501) is in contact with the pipeline, the lower part of the other grinding ring (501) is in contact with the pipeline, the two grinding rings (501) are controlled to rotate, and the outer side of the pipeline is ground.
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| CN111571979A (en) * | 2020-05-21 | 2020-08-25 | 秦金铭 | Environment-friendly plastic hose's preparation equipment |
| CN112454848B (en) * | 2020-11-05 | 2022-10-14 | 江阴捷圣智造科技有限公司 | Extrusion device for double-layer plastic pipe |
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| FR2596692B1 (en) * | 1986-04-04 | 1988-09-09 | Atochem | EXTRUDED SEMICRYSTALLINE PLASTIC TUBES HAVING RESISTANCE TO COLD SHOCK AND IMPROVED TRACTION THROUGH HEAT TREATMENT AND THEIR MANUFACTURING METHOD |
| CN1012147B (en) * | 1987-10-19 | 1991-03-27 | 陶氏化学公司 | Produce the method and apparatus of mesh film |
| CN101314254B (en) * | 2008-06-27 | 2010-06-23 | 宁波方力集团有限公司 | Extrusion mould head for plastic tube |
| CN202071316U (en) * | 2011-05-31 | 2011-12-14 | 湖北三江航天江河橡塑有限公司 | Mouth mould used for extrusion moulding of rubber plastic products |
| CN204108018U (en) * | 2014-09-03 | 2015-01-21 | 浙江中德实业有限公司 | Heat sink on tubing production line balance machine |
| CN205343747U (en) * | 2016-01-29 | 2016-06-29 | 常州轻工职业技术学院 | Plastic extruder |
| CN206169790U (en) * | 2016-11-22 | 2017-05-17 | 湖北汉塑管业集团有限公司 | A pipe fitting mould of polishing for single screw extruder |
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Denomination of invention: A plastic pipe and its manufacturing device and method Effective date of registration: 20220704 Granted publication date: 20220107 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Weifang branch Pledgor: WEIFANG XIANDAI PLASTICS & RUBBERS CO.,LTD. Registration number: Y2022980009789 |
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