CN103692671A - Manufacturing process of large-aperture variable-turn-angle PVC (polyvinyl chloride) pipe - Google Patents
Manufacturing process of large-aperture variable-turn-angle PVC (polyvinyl chloride) pipe Download PDFInfo
- Publication number
- CN103692671A CN103692671A CN201310749468.6A CN201310749468A CN103692671A CN 103692671 A CN103692671 A CN 103692671A CN 201310749468 A CN201310749468 A CN 201310749468A CN 103692671 A CN103692671 A CN 103692671A
- Authority
- CN
- China
- Prior art keywords
- pole
- separate unit
- pvc pipe
- pulley
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention relates to a manufacturing process of a large-aperture variable-turn-angle PVC (polyvinyl chloride) pipe. The manufacturing process comprises the following five steps: mixing, extruding, performing cooling and forming, performing fixed-length cutting, flaring and packaging for sale. According to the manufacturing process, an improved flaring mould is adopted, so that a pipe opening of the large-aperture PVC pipe can be bent at a small angle, the problem that an existing PVC straight pipe makes a turn through a connecting piece is solved, and a processing process of the flaring step is correspondingly changed; a process step of horizontally rotating the flaring mould is added on the basis of an existing flaring machine, so that the large-aperture PVC pipe can be bent; the flaring mould in the process is convenient to use, the effect is remarkable, the manufacturing process is simple, and good economic benefit can be created.
Description
Technical field
The present invention relates to the variable corner pvc pipe of a kind of heavy caliber material preparation technology, belong to polyvinyl chloride (PVC) tubing technical field.
Background technology
In water system, plastic pipe have not burn into sanitation performance good, be easy to the features such as installation, in China, obtained wideling popularize, substituting traditional galvanized iron conduit has been trend of the times.Plastic water pipe divides mainly and comprises by material: polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP) etc.Due to pvc pipe road compare with other polyolefin pipe have that intensity is high, fire resistance good, high ring rigidity, excellent weather resistance, price be widely adopted compared with the advantage such as low, but pvc pipe road hardness is high, flexible poor, can not be crooked as PE, to such an extent as to pvc pipe material prepared by existing technique is all straight tube, cause turning in work progress to connect with pipe fitting, especially heavy caliber pipe, not only increased cost, and pipe fitting also becomes the key factor that affects construction quality.Therefore, need to improve heavy caliber pvc pipe material forming method, seek a kind of preparation technology who realizes the bending of heavy caliber pvc pipe material interface, to obtain the heavy caliber pvc pipe material of variable corner, reduce construction cost.
Summary of the invention
For deficiency of the prior art, the invention provides the variable corner pvc pipe of a kind of heavy caliber material preparation technology.
Terminological interpretation:
The abbreviation of ACR:Acrylic copolymer, is the acrylic acid esters co-polymer with core/shell structure, is the modifier of a kind of high comprehensive performance that polyvinyl chloride (PVC) production field is conventional.
Processing aid type ACR: take and improve the ACR that processing characteristics used as object and be called processing aid type ACR, the conventional raw material in this area.
Technical scheme of the present invention is as follows:
The variable corner pvc pipe of a heavy caliber material preparation technology, comprises following processing step:
(1) batch mixing: by weight, getting 100 parts of polyvinyl chloride resins, stabilizing agent 0.4-4.0 part, flexibilizer 2-6 part, rigid particles 2-8 part, processing aid 0.5-3.0 part, external lubricant 0.6-1.5 part, in-lubricant 0.5-1.0 part, antioxidant 0.05-0.5 part, colouring agent 0.03-3 part and filler 0-5 part, to put into high-speed mixer heat mixed, by the mixed most 90-120 ℃ of batch mixing heat, reach cold mixed through high-speed mixer again after temperature, mixed most squeeze into dry feed bin after 25-45 ℃ by batch mixing is cold, obtain mixed material;
(2) extrude: the mixed material that step (1) is obtained is put into extruder extruding pipe material, and the technological parameter of extruding is as follows: body temperature: 140-185 ℃, merging core temperature: 180-150 ℃, head temperature: 170-220 ℃; Engine speed: 10-90 rev/min, feeding rotating speed: 10-90 rev/min;
(3) cooling and shaping: the tubing of extruding in step (2) is shaped according to prior art, after vacuum cooled sizing, utilize hauling machine segmentation speed governing traction, reduce in enlarging crooked position hauling speed; Utilize hauling machine segmentation speed governing traction, in enlarging crooked position hauling speed, reduce, to improve bending section wall thickness, while avoiding bending pipes larger, cause lateral wall excessively thin.
(4) fixed length cutting, enlarging: the tubing after step (3) is processed carries out being placed on pipe-expanding machine and carrying out enlarging after fixed length cutting, and the mould that wherein pipe-expanding machine adopts comprises seeker, little module, large module, connector and impeller-hub;
Wherein, described seeker comprises the separate unit of a plurality of flexible connections, forms tubulose; Described separate unit is disc, described separate unit axially on run through and be provided with through hole, two laterally inclined settings of described separate unit, the latter half of separate unit side is provided with the first couple axle, on two sides, be symmetrically arranged with lug, lug on side of separate unit is realized and being flexibly connected by the first rotating shaft with the lug on adjacent separate unit side, one end of described the first rotating shaft is set to outward extending disk, and the latter half of described disk perpendicular bisector is provided with the second couple axle;
In described the first rotating shaft, be fixedly installed the first pulley and the second pulley, on described the first pulley and the second pulley, be respectively arranged with the first steel wire rope and the second steel wire rope: one end of described the first steel wire rope is fixedly installed on the first pulley, the other end of the first steel wire rope is wound around on the first pulley and the through hole on axially passes by separate unit; One end of described the second steel wire rope is fixedly installed on the second pulley, the other end of the second steel wire rope is wound around on the second pulley and the through hole on axially passes by separate unit, the opposite direction that described the first steel wire rope and the second steel wire rope are wound around on pulley;
Between adjacent separate unit, be provided with Y shape trace, described Y shape trace comprises the first pole, the second pole and the 3rd pole, one end of described the first pole, one end of one end of the second pole and the 3rd pole is movably connected by the second rotating shaft, the other end of the other end of described the first pole and the second pole is connected with first couple axle of separate unit side the latter half respectively, the other end of described the 3rd pole is connected with the second couple axle on disk, the first half of each side of described separate unit is provided with tongue and groove, tongue and groove between adjacent separate unit cooperatively interacts,
Before carrying out enlarging, the first pole and the second pole are arranged on same straight line, pin several separate units of front end, then flaring die is inserted into pvc pipe material inside and carries out enlarging, after enlarging, keep pvc pipe material transfixion, by pipe-expanding machine, horizontally rotating flaring die root causes mould seeker crooked, and then realize the bending of heavy caliber pvc pipe material, radius to be bent reach carry out after requirement size cooling, after cooling and shaping, extract mould out, when extracting mould out, pull rope belt movable pulley to rotate the motion that causes the 3rd pole, thereby the 3rd pole drives several separate units of the motion release front end of the first pole and the second pole, after flaring die is extracted out smoothly, obtain pvc pipe material finished product,
Wrinkle resistant inside while in enlarging step being assurance bending pipes, lug position between adjacent separate unit is arranged on to the latter half of separate unit, when horizontally rotating mould, less relative displacement occurs between the separate unit of the latter half, and the distance between separate unit is difficult for causing the inner side wrinkling of tubing under high thermoplastic state.
(5) pack for sale: the pvc pipe material finished product packing that step (4) is obtained, for sale.
According to the present invention, preferred, the polyvinyl chloride resin powder described in step (1) is SG-4 or SG-5 type polyvinyl chloride resin powder;
Described stabilizing agent is lead salt stabilizer, calcium zinc stabilizer or organic tin stabilizer;
Described in-lubricant is stearic acid, calcium stearate or the mixing of the two, and described external lubricant is Tissuemat E (PE wax), paraffin, microwax or many persons' mixing;
Described flexibilizer is rubber-like flexibilizer or thermoplastic elastomer (TPE) class flexibilizer;
Described rigid particles is inorganic rigid particle calcium carbonate, organic rigid-particle acrylonitritrile-styrene resin (AS) or their mixture;
Described processing aid is ACR-201, ACR-401 or their mixture;
Described external lubricant is Tissuemat E (PE wax), paraffin, microwax or many persons' mixing;
Described in-lubricant is stearic acid, calcium stearate or the mixing of the two;
Described antioxidant is hindered phenolic antioxidant BHT, 1010 or their mixture;
Described colouring agent is rutile titanium dioxide or anatase titanium dioxide, is this area conventional material;
Described filler is blanc fixe or calcium carbonate, is this area conventional material.
According to the present invention, preferred, the extruder described in step (2) is conical double screw extruder;
According to the present invention, preferred, in step (4), a plurality of separate units of seeker front end are connected by gear; When pulling steel wire rope, can reach and control a separate unit, and then the effect that drives other separate units to rotate.
According to the present invention, preferred, the pipe-expanding machine described in step (4) is the full-automatic pipe-expanding machine of SGK16-50.
Beneficial effect of the present invention is:
1. adopt the flaring die after improving, can realize the angle and curved of the heavy caliber pvc pipe mouth of pipe, changed the predicament that existing PVC straight tube need to be turned by connector, several separate units foremost of flaring die are set to the structure of capable of controlling rotary simultaneously, the bending radius that can guarantee every tubing is identical, and PVC is not subject to the impact of tubing heated length.
2. keeping on the basis of most of original technique, flaring die after improving by employing, correspondingly change the processing technology of enlarging step, on the basis of existing pipe-expanding machine, increased the processing step that horizontally rotates flaring die, can realize the bending of heavy caliber pvc pipe material, not increase compared with the prior art production cost.
3. the flaring die in this technical process is easy to use, and effect is remarkable, and process for machining and manufacturing is simple, can bring good economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flaring die that adopts of the present invention.
Fig. 2 is the flaring die partial structurtes enlarged diagram that the present invention adopts.
Fig. 3, Fig. 4 are the structural representation of separate unit in the flaring die that adopts of the present invention.
Fig. 5 is the side structure schematic diagram of separate unit in the flaring die that adopts of the present invention.
Fig. 6, Fig. 7 and Fig. 8 are the three-dimensional structure diagram of separate unit in the flaring die that adopts of the present invention.
Fig. 9 is the structural representation that in the flaring die that adopts of the present invention, adjacent separate unit matches.
Figure 10 is the course of work schematic diagram that flaring die horizontally rotates.
Figure 11, Figure 12 are the schematic diagram that flaring die can be controlled separate unit.
Figure 13, Figure 14 are the enlarged diagram that flaring die can be controlled separate unit.
Figure 15, Figure 16 are the structural representation of flaring die middle pulley.
Wherein: 1, impeller-hub, 2, large module, 3, connector, 4, little module, 5, seeker, 6, separate unit, 7, lug, 8, tongue and groove, the 9, first pole, 10, the second pole, 11, the 3rd pole, the 12, first pulley, the 13, second pulley, 14, the first steel wire rope, the 15, second steel wire rope.
The specific embodiment
By reference to the accompanying drawings, by specific embodiment, the invention will be further elaborated, but be not limited to this.
Embodiment 1:
Preparing bore is a variable corner pvc pipe material technique of 630mm, and processing step is as follows:
(1) batch mixing: getting 100kg SG-4 type polyvinyl chloride resin powder, 0.4kg calcium zinc stabilizer, 2kg rubber-like flexibilizer, 2kg inorganic rigid particle calcium carbonate, 0.5kgACR-201 processing aid, 0.6kg Tissuemat E (PE wax), 0.5kg stearic acid, 0.05kg hindered phenolic antioxidant BHT, 0.03kg rutile titanium dioxide and 1kg blanc fixe, to put into high-speed mixer heat mixed, by mixed most 90 ℃ of batch mixing heat, reach cold mixed through high-speed mixer again after temperature, mixed most squeeze into dry feed bin after 25 ℃ by batch mixing is cold, obtain mixed material;
(2) extrude: the mixed material that step (1) is obtained is put into conical double screw extruder extruding pipe material, and the technological parameter of extruding is as follows: body temperature: 140 ℃, merging core temperature: 180 ℃, head temperature: 170 ℃; Engine speed: 10 revs/min, feeding rotating speed: 10 revs/min;
(3) cooling and shaping: the tubing of extruding in step (2) is shaped according to prior art, after vacuum cooled sizing, utilize hauling machine segmentation speed governing traction, reduce in enlarging crooked position hauling speed;
(4) fixed length cutting, enlarging: the tubing after step (3) is processed carries out being placed on the full-automatic pipe-expanding machine of SGK16-50 and carrying out enlarging after fixed length cutting, and the mould that wherein pipe-expanding machine adopts comprises seeker, little module, large module, connector and impeller-hub;
Wherein, described seeker comprises the separate unit of a plurality of flexible connections, forms tubulose; Described separate unit is disc, described separate unit axially on run through and be provided with through hole, two laterally inclined settings of described separate unit, the latter half of described separate unit side is provided with the first couple axle, on two sides, be symmetrically arranged with lug, lug on side of separate unit is realized and being flexibly connected by the first rotating shaft with the lug on adjacent separate unit side, in one end of described the first rotating shaft, be provided with outward extending disk, the latter half of described disk perpendicular bisector is provided with the second couple axle;
In described the first rotating shaft, be fixedly installed the first pulley and the second pulley, on described the first pulley and the second pulley, be respectively arranged with the first steel wire rope and the second steel wire rope: one end of described the first steel wire rope is fixedly installed on the first pulley, the other end of described the first steel wire rope is wound around on the first pulley and the through hole on axially passes by separate unit; One end of described the second steel wire rope is fixedly installed on the second pulley, the other end of described the second steel wire rope is wound around on the second pulley and the through hole on axially passes by separate unit, the opposite direction that described the first steel wire rope and the second steel wire rope are wound around on pulley;
Between adjacent separate unit, be provided with Y shape trace, described Y shape trace comprises the first pole, the second pole and the 3rd pole, one end of described the first pole, one end of one end of the second pole and the 3rd pole is movably connected by the second rotating shaft, the other end of the other end of described the first pole and the second pole is connected with first couple axle of separate unit side the latter half respectively, the other end of described the 3rd pole is connected with the second couple axle on disk, the first half of each side of described separate unit is provided with tongue and groove, tongue and groove between adjacent separate unit cooperatively interacts,
Before carrying out enlarging, the first pole and the second pole are arranged on same straight line, then flaring die is inserted into pvc pipe material inside and carries out enlarging, after enlarging, keep pvc pipe material transfixion, by pipe-expanding machine, horizontally rotating flaring die root causes mould seeker crooked, and then realize the bending of heavy caliber pvc pipe material, radius to be bent reach carry out after requirement size cooling, after cooling and shaping, extract mould out, when extracting mould out, pull rope belt movable pulley to quote the motion of the 3rd pole, thereby the 3rd pole drives the separate unit of the motion release front end of the first pole and the second pole, after flaring die is extracted out smoothly, obtain pvc pipe material finished product,
Wrinkle resistant inside while in enlarging step being assurance bending pipes, lug position between adjacent separate unit is arranged on to the latter half of separate unit, when horizontally rotating mould, less relative displacement occurs between the separate unit of the latter half, and the distance between separate unit is difficult for causing the inner side wrinkling of tubing under high thermoplastic state.
(5) pack for sale: the pvc pipe material finished product packing that step (4) is obtained, for sale.
Embodiment 2:
Preparing bore is a variable corner pvc pipe material technique of 800mm, and processing step is as follows:
(1) batch mixing: getting 100kgSG-5 type polyvinyl chloride resin powder, 4kg lead salt stabilizer, 6kg thermoplastic elastomer (TPE) class flexibilizer, 8kg organic rigid-particle acrylonitritrile-styrene resin (AS), 3kgACR-401 processing aid, 1.5kg paraffin, 1kg calcium stearate, 101 parts, 0.5kg hindered phenolic antioxidant, 3kg anatase titanium dioxide and 5kg calcium carbonate, to put into high-speed mixer heat mixed, by mixed most 120 ℃ of batch mixing heat, reach cold mixed through high-speed mixer again after temperature, mixed most squeeze into dry feed bin after 45 ℃ by batch mixing is cold, obtain mixed material;
(2) extrude: the mixed material that step (1) is obtained is put into conical double screw extruder extruding pipe material, and the technological parameter of extruding is as follows: body temperature: 185 ℃, merging core temperature: 150 ℃, head temperature: 220 ℃; Engine speed: 90 revs/min, feeding rotating speed: 90 revs/min;
(3) cooling and shaping: the tubing of extruding in step (2) is shaped according to prior art, after vacuum cooled sizing, utilize hauling machine segmentation speed governing traction, reduce in enlarging crooked position hauling speed;
(4) fixed length cutting, enlarging: the tubing after step (3) is processed carries out being placed on the full-automatic pipe-expanding machine of SGK16-50 and carrying out enlarging after fixed length cutting, and the mould that wherein pipe-expanding machine adopts comprises seeker, little module, large module, connector and impeller-hub,
Wherein, described seeker comprises the separate unit of a plurality of flexible connections, forms tubulose; Described separate unit is disc, described separate unit axially on run through and be provided with through hole, two laterally inclined settings of described separate unit, the latter half of described separate unit side is provided with the first couple axle, on two sides, be symmetrically arranged with lug, lug on side of separate unit is realized and being flexibly connected by the first rotating shaft with the lug on adjacent separate unit side, in one end of described the first rotating shaft, be provided with outward extending disk, the latter half of described disk perpendicular bisector is provided with the second couple axle;
In described the first rotating shaft, be fixedly installed the first pulley and the second pulley, on described the first pulley and the second pulley, be respectively arranged with the first steel wire rope and the second steel wire rope: one end of described the first steel wire rope is fixedly installed on the first pulley, the other end of described the first steel wire rope is wound around on the first pulley and the through hole on axially passes by separate unit; One end of described the second steel wire rope is fixedly installed on the second pulley, the other end of described the second steel wire rope is wound around on the second pulley and the through hole on axially passes by separate unit, the opposite direction that described the first steel wire rope and the second steel wire rope are wound around on pulley;
Between adjacent separate unit, be provided with Y shape trace, described Y shape trace comprises the first pole, the second pole and the 3rd pole, one end of described the first pole, one end of one end of the second pole and the 3rd pole is movably connected by the second rotating shaft, the other end of the other end of described the first pole and the second pole is connected with first couple axle of separate unit side the latter half respectively, the other end of described the 3rd pole is connected with the second couple axle on disk, the first half of each side of described separate unit is provided with tongue and groove, tongue and groove between adjacent separate unit cooperatively interacts,
Before carrying out enlarging, the first pole and the second pole are arranged on same straight line, then flaring die is inserted into pvc pipe material inside and carries out enlarging, after enlarging, keep pvc pipe material transfixion, by pipe-expanding machine, horizontally rotating flaring die root causes mould seeker crooked, and then realize the bending of heavy caliber pvc pipe material, radius to be bent reach carry out after requirement size cooling, after cooling and shaping, extract mould out, when extracting mould out, pull rope belt movable pulley to quote the motion of the 3rd pole, thereby the 3rd pole drives the separate unit of the motion release front end of the first pole and the second pole, after flaring die is extracted out smoothly, obtain pvc pipe material finished product,
Wrinkle resistant inside while in enlarging step being assurance bending pipes, lug position between adjacent separate unit is arranged on to the latter half of separate unit, when horizontally rotating mould, less relative displacement occurs between the separate unit of the latter half, and the distance between separate unit is difficult for causing the inner side wrinkling of tubing under high thermoplastic state.
(5) pack for sale: the pvc pipe material finished product packing that step (4) is obtained, for sale.
Embodiment 3:
A kind ofly prepare the variable corner pvc pipe material technique that bore is 700mm, processing step as described in Example 1, its difference is: step (1) batch mixing: get 100kgSG-5 type polyvinyl chloride resin powder, 2kg organic tin stabilizer, 3kg thermoplastic elastomer (TPE) class flexibilizer, 5kg organic rigid-particle acrylonitritrile-styrene resin (AS), 1kgACR-401 processing aid, 1kg microwax, 1kg calcium stearate, 0.5kg hindered phenolic antioxidant 1010, it is mixed that 1kg anatase titanium dioxide and 2kg calcium carbonate are put into high-speed mixer heat, by mixed most 90 ℃ of batch mixing heat, reach cold mixed through high-speed mixer again after temperature, mixed most squeeze into dry feed bin after 45 ℃ by batch mixing is cold, obtain mixed material,
Embodiment 4:
A kind ofly prepare the variable corner pvc pipe material technique that bore is 750mm, processing step as described in Example 2, its difference is: step (1) batch mixing: get 100kgSG-4 type polyvinyl chloride resin powder, 3kg organic tin stabilizer, 5kg rubber-like flexibilizer, 7kg inorganic rigid particle calcium carbonate, 2.5kgACR-201 processing aid, the mixture of 1kg paraffin and microwax, 1kg stearic acid, 0.3kg hindered phenolic antioxidant BHT, 2.5kg it is mixed that rutile titanium dioxide and 4kg blanc fixe are put into high-speed mixer heat, by mixed most 120 ℃ of batch mixing heat, reach cold mixed through high-speed mixer again after temperature, mixed most squeeze into dry feed bin after 25 ℃ by batch mixing is cold, obtain mixed material,
Embodiment 5:
Preparing bore is a variable corner pvc pipe material technique of 750mm, and as described in Example 2, its difference is processing step: in step (4), four separate units of seeker front end are connected by gear; When pulling steel wire rope, can reach a control separate unit foremost, and then the effect that drives other separate units to rotate.
Claims (10)
1. the variable corner pvc pipe of a heavy caliber material preparation technology, comprises following processing step:
(1) batch mixing: by weight, getting 100 parts of polyvinyl chloride resins, stabilizing agent 0.4-4.0 part, flexibilizer 2-6 part, rigid particles 2-8 part, processing aid 0.5-3.0 part, external lubricant 0.6-1.5 part, in-lubricant 0.5-1.0 part, antioxidant 0.05-0.5 part, colouring agent 0.03-3 part and filler 0-5 part, to put into high-speed mixer heat mixed, by the mixed most 90-120 ℃ of batch mixing heat, reach cold mixed through high-speed mixer again after temperature, mixed most squeeze into dry feed bin after 25-45 ℃ by batch mixing is cold, obtain mixed material;
(2) extrude: the mixed material that step (1) is obtained is put into extruder extruding pipe material, and the technological parameter of extruding is as follows: body temperature: 140-185 ℃, merging core temperature: 180-150 ℃, head temperature: 170-220 ℃; Engine speed: 10-90 rev/min, feeding rotating speed: 10-90 rev/min;
(3) cooling and shaping: the tubing of extruding in step (2) is shaped according to prior art, after vacuum cooled sizing, utilize hauling machine segmentation speed governing traction, reduce in enlarging crooked position hauling speed;
(4) fixed length cutting, enlarging: the tubing after step (3) is processed carries out being placed on pipe-expanding machine and carrying out enlarging after fixed length cutting, and the mould that wherein pipe-expanding machine adopts comprises seeker, little module, large module, connector and impeller-hub;
Wherein, described seeker comprises the separate unit of a plurality of flexible connections, forms tubulose; Described separate unit is disc, described separate unit axially on run through and be provided with through hole, two laterally inclined settings of described separate unit, the latter half of separate unit side is provided with the first couple axle, on two sides, be symmetrically arranged with lug, lug on side of separate unit is realized and being flexibly connected by the first rotating shaft with the lug on adjacent separate unit side, one end of described the first rotating shaft is set to outward extending disk, and the latter half of described disk perpendicular bisector is provided with the second couple axle;
In described the first rotating shaft, be fixedly installed the first pulley and the second pulley, on described the first pulley and the second pulley, be respectively arranged with the first steel wire rope and the second steel wire rope: one end of described the first steel wire rope is fixedly installed on the first pulley, the other end of the first steel wire rope is wound around on the first pulley and the through hole on axially passes by separate unit; One end of described the second steel wire rope is fixedly installed on the second pulley, the other end of the second steel wire rope is wound around on the second pulley and the through hole on axially passes by separate unit, the opposite direction that described the first steel wire rope and the second steel wire rope are wound around on pulley;
Between adjacent separate unit, be provided with Y shape trace, described Y shape trace comprises the first pole, the second pole and the 3rd pole, one end of described the first pole, one end of one end of the second pole and the 3rd pole is movably connected by the second rotating shaft, the other end of the other end of described the first pole and the second pole is connected with first couple axle of separate unit side the latter half respectively, the other end of described the 3rd pole is connected with the second couple axle on disk, the first half of each side of described separate unit is provided with tongue and groove, tongue and groove between adjacent separate unit cooperatively interacts,
Before carrying out enlarging, the first pole and the second pole are arranged on same straight line, pin several separate units of front end, then flaring die is inserted into pvc pipe material inside and carries out enlarging, after enlarging, keep pvc pipe material transfixion, by pipe-expanding machine, horizontally rotating flaring die root causes mould seeker crooked, and then realize the bending of heavy caliber pvc pipe material, radius to be bent reach carry out after requirement size cooling, after cooling and shaping, extract mould out, when extracting mould out, pull rope belt movable pulley to rotate the motion that causes the 3rd pole, thereby the 3rd pole drives several separate units of the motion release front end of the first pole and the second pole, after flaring die is extracted out smoothly, obtain pvc pipe material finished product,
(5) pack for sale: the pvc pipe material finished product packing that step (4) is obtained, for sale.
2. the variable corner pvc pipe of heavy caliber as claimed in claim 1 material preparation technology, it is characterized in that: the polyvinyl chloride resin powder described in step (1) is SG-4 or SG-5 type polyvinyl chloride resin powder, and described stabilizing agent is lead salt stabilizer, calcium zinc stabilizer or organic tin stabilizer.
3. the variable corner pvc pipe of heavy caliber as claimed in claim 1 material preparation technology, it is characterized in that: the in-lubricant described in step (1) is stearic acid, calcium stearate or the mixing of the two, described external lubricant is Tissuemat E (PE wax), paraffin, microwax or many persons' mixing.
4. the variable corner pvc pipe of heavy caliber as claimed in claim 1 material preparation technology, it is characterized in that: the flexibilizer described in step (1) is rubber-like flexibilizer or thermoplastic elastomer (TPE) class flexibilizer, and described processing aid is ACR-201, ACR-401 or their mixture.
5. the variable corner pvc pipe of heavy caliber as claimed in claim 1 material preparation technology, is characterized in that: the rigid particles described in step (1) is inorganic rigid particle calcium carbonate, organic rigid-particle acrylonitritrile-styrene resin (AS) or their mixture.
6. the variable corner pvc pipe of heavy caliber as claimed in claim 1 material preparation technology, it is characterized in that: the external lubricant described in step (1) is Tissuemat E (PE wax), paraffin, microwax or many persons' mixture, and described in-lubricant is stearic acid, calcium stearate or the mixture of the two.
7. the variable corner pvc pipe of heavy caliber as claimed in claim 1 material preparation technology, is characterized in that: the antioxidant described in step (1) is hindered phenolic antioxidant BHT, 1010 or their mixture.
8. the variable corner pvc pipe of heavy caliber as claimed in claim 1 material preparation technology, is characterized in that: the colouring agent described in step (1) is rutile titanium dioxide or anatase titanium dioxide, and described filler is blanc fixe or calcium carbonate.
9. the variable corner pvc pipe of heavy caliber as claimed in claim 1 or 2 material preparation technology, is characterized in that: the extruder described in step (2) is conical double screw extruder.
10. the variable corner pvc pipe of heavy caliber as claimed in claim 1 or 2 material preparation technology, is characterized in that: in step (4), a plurality of separate units of seeker front end are connected by gear, and described pipe-expanding machine is the full-automatic pipe-expanding machine of SGK16-50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749468.6A CN103692671B (en) | 2013-12-31 | 2013-12-31 | A kind of heavy caliber variable turning angle PVC preparation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749468.6A CN103692671B (en) | 2013-12-31 | 2013-12-31 | A kind of heavy caliber variable turning angle PVC preparation technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103692671A true CN103692671A (en) | 2014-04-02 |
| CN103692671B CN103692671B (en) | 2016-03-09 |
Family
ID=50354416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310749468.6A Expired - Fee Related CN103692671B (en) | 2013-12-31 | 2013-12-31 | A kind of heavy caliber variable turning angle PVC preparation technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103692671B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504570A (en) * | 2014-12-08 | 2016-04-20 | 安徽省忠宏管业科技有限公司 | Preparation method for detection tube |
| CN106426993A (en) * | 2016-10-17 | 2017-02-22 | 广州至简通用设备制造有限公司 | Pipe making method of hot pressing plasticizing compound pipe |
| CN106751145A (en) * | 2016-11-30 | 2017-05-31 | 安吉兴华电力管道股份有限公司 | A kind of high-strength composite power pipe and its preparation technology |
| CN109622785A (en) * | 2019-01-23 | 2019-04-16 | 国琳(天津)科技有限公司 | Multistation elbow pipe piece forming machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3632732A (en) * | 1968-11-09 | 1972-01-04 | Dynamit Nobel Ag | Method for forming sockets |
| US4324755A (en) * | 1976-11-05 | 1982-04-13 | Cabinet Patco | Process for putting a lip on a thick-walled tube of flexible material, and apparatus for practicing same |
| CN201096239Y (en) * | 2007-10-20 | 2008-08-06 | 王占奎 | Composite pipes enlarging rounding device |
| CN102516688A (en) * | 2011-12-12 | 2012-06-27 | 杭州波达塑料科技股份有限公司 | Environmentally-friendly rigid polyvinyl chloride (PVC) double-wall corrugated pipe and preparation method thereof |
| CN202716462U (en) * | 2012-07-23 | 2013-02-06 | 大连三垒机器股份有限公司 | Large-caliber polyvinyl chloride (PVC) double-wall corrugated pipe flaring mould |
-
2013
- 2013-12-31 CN CN201310749468.6A patent/CN103692671B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3632732A (en) * | 1968-11-09 | 1972-01-04 | Dynamit Nobel Ag | Method for forming sockets |
| US4324755A (en) * | 1976-11-05 | 1982-04-13 | Cabinet Patco | Process for putting a lip on a thick-walled tube of flexible material, and apparatus for practicing same |
| CN201096239Y (en) * | 2007-10-20 | 2008-08-06 | 王占奎 | Composite pipes enlarging rounding device |
| CN102516688A (en) * | 2011-12-12 | 2012-06-27 | 杭州波达塑料科技股份有限公司 | Environmentally-friendly rigid polyvinyl chloride (PVC) double-wall corrugated pipe and preparation method thereof |
| CN202716462U (en) * | 2012-07-23 | 2013-02-06 | 大连三垒机器股份有限公司 | Large-caliber polyvinyl chloride (PVC) double-wall corrugated pipe flaring mould |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504570A (en) * | 2014-12-08 | 2016-04-20 | 安徽省忠宏管业科技有限公司 | Preparation method for detection tube |
| CN106426993A (en) * | 2016-10-17 | 2017-02-22 | 广州至简通用设备制造有限公司 | Pipe making method of hot pressing plasticizing compound pipe |
| CN106426993B (en) * | 2016-10-17 | 2019-05-14 | 广州至简通用设备制造有限公司 | A kind of pipe-making method of hot pressing plasticizing multiple tube |
| CN106751145A (en) * | 2016-11-30 | 2017-05-31 | 安吉兴华电力管道股份有限公司 | A kind of high-strength composite power pipe and its preparation technology |
| CN109622785A (en) * | 2019-01-23 | 2019-04-16 | 国琳(天津)科技有限公司 | Multistation elbow pipe piece forming machine |
| CN109622785B (en) * | 2019-01-23 | 2024-04-26 | 国琳(天津)科技有限公司 | Multi-station elbow pipe fitting forming machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103692671B (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100569504C (en) | The production method of PVC-U composite nano drainpipe | |
| CN103692671B (en) | A kind of heavy caliber variable turning angle PVC preparation technology | |
| CN105754215A (en) | Manufacturing method of PP (polypropylene) double-wall corrugated pipe | |
| CN101890795A (en) | Shunt device | |
| CN102911454A (en) | PVC (polyvinyl chloride)/ABS (acrylonitrile butadiene styrene copolymer)/CPE (chlorinated polyethylene) pipe with high impact resistance and method for preparing same | |
| CN100457424C (en) | Process for producing large caliber hard polyvinyl chloride double wall corrugated pipe | |
| CN104057600B (en) | A kind of manufacture method of cold-resistant PVC cable material | |
| CN203557672U (en) | Forced material pushing type rubber extruding machine screw rod | |
| CN108003518A (en) | A kind of production technology of biaxial orientation polyvinyl fluoride tubing | |
| CN114605753A (en) | High-impact biomass-based PVC-U pipeline and preparation method thereof | |
| CN202016189U (en) | Rubber and plastic damping material extruder | |
| CN203665910U (en) | Rotary type equipment for producing plastic water band through down-blow method | |
| CN102303400A (en) | Method and equipment for forming high polymer bar by single screw extruder barrel | |
| CN206048752U (en) | A kind of mould head of blow-moulding machine | |
| CN207207050U (en) | A kind of minor caliber pipe extrusion molding apparatus of weldless trace | |
| CN106751148A (en) | A kind of production method of low-cost and high-performance PVC | |
| CN206796490U (en) | A kind of polyvinyl chloride spool tubing merging core | |
| CN112724552A (en) | PVC-M impact-resistant pipe and preparation method thereof | |
| CN206306425U (en) | A kind of screw extruder | |
| CN201189717Y (en) | Cone single screw extruder | |
| CN206884131U (en) | Planetary extruder with multistage temperature control oil gateway | |
| CN203557674U (en) | Feed rubber extruder screw sleeve | |
| CN205416288U (en) | Extrusion line extrusion die | |
| CN104479260A (en) | PVC sectional material adopting organic tin stabilizer and preparation method of PVC sectional material | |
| CN205364478U (en) | A mould for making real wall raceway of heavy -calibre PVC |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20161231 |