CN202125676U - External corrugated-type plastic enwound structure-wall tube with reinforced inner fin - Google Patents

External corrugated-type plastic enwound structure-wall tube with reinforced inner fin Download PDF

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Publication number
CN202125676U
CN202125676U CN2011201485196U CN201120148519U CN202125676U CN 202125676 U CN202125676 U CN 202125676U CN 2011201485196 U CN2011201485196 U CN 2011201485196U CN 201120148519 U CN201120148519 U CN 201120148519U CN 202125676 U CN202125676 U CN 202125676U
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Prior art keywords
rib
tube
inner fin
hollow
wall
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Expired - Lifetime
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CN2011201485196U
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Chinese (zh)
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戴爱清
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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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/78—Winding and joining, e.g. winding spirally helically using profiled sheets or strips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • 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
    • B29L2023/18—Pleated or corrugated hoses

Abstract

The utility model discloses an external corrugated-type plastic enwound structure-wall tube with a reinforced inner fin, which comprises a tube body molded by strips through spiral enwinding and fusion, wherein the tube body includes a cylindrical tube wall, a hollow reinforcing rib which is spirally surrounded on the cylindrical tube wall, and the reinforced inner fin which is located in the hollow reinforced rib and perpendicular to the tube wall; the reinforced inner fin separates the hollow reinforcing rib into two parallel hollow chambers; and a combination surface molded by fusion is located at the reinforced inner fin. The combination surface molded by fusion of the tube is located at the reinforced inner fin, so that the fusion surface between adjacent strips is much bigger than that of all other types of enwound structure-wall corrugated tubes, and the fusion effect of the tube is the best in all enwound corrugated tubes, as a result, the tube disclosed by the utility model has relatively high strength. In addition, the reinforced inner fin structure can effectively increase stability of the hollow reinforcing rib, so that the stability of the enwound corrugated tube disclosed by the utility model is better than that of other enwound corrugated tubes and double-wall corrugated tubes.

Description

Internal rib reinforcing outer ripple type plastic twining structured wall pipe
Technical field
The utility model relates to a kind of internal rib reinforcing outer ripple type plastic twining structured wall pipe.
Background technique
Outer ripple plastic winding structure wall pipe with hollow stiffening rib is widely used in the municipal blow-off line construction owing to having good pipeclay acting in conjunction and ring stiffness.
At present, the production method that has an outer ripple plastic winding structure wall pipe of hollow stiffening rib has two kinds usually.
With reference to figure 1, first kind of manufacturing process of aforementioned tubes.At first extrude fusion bar plastic sheet material 1, this sheet material is spirally wound on the circular forming cylinder that many little roller bearings of active rotation are housed continuously regularly side by side by first extruder.Simultaneously; Extrude trapezoidal tubulose stiffening rib 2 by another extrusion molding mechanism; Behind the water-cooled Vacuum shaping with the overlapping the slot position of same spiral canoe cross-pressure each strip plastic sheet neighboring edge on tube wall; Trapezoidal tubulose stiffening rib 2 bottom surfaces are through suitably heating, simultaneously because plastic sheet 1 is in the semi-molten state, through after the rolling of pinch roller; The bar plastic sheet material 1 of tubulose stiffening rib 2 and two-layer mutual overlap joint fuses together, and forms the outer ripple plastic winding structure wall pipe with hollow stiffening rib.Yet there is following defective in this technology: (1), since stiffening rib 2 behind cooling and shaping, twine, determined its height can not be too big, so the tube wall moment of inertia after the moulding is less; (2) the bonding very difficult control of stiffening rib 2 and tube wall is low excessively like strip plastic sheet 1 temperature, then bonding poor; Too high like temperature, 1 of stripe shape plastic sheet can be difficult to control moulding from the forming cylinder tenesmus; (3) accomplish bonding after, the side of stiffening rib 2 is left slot 3 all the time, causes stress to concentrate, face of weld can progressively be ftractureed by slot 3 when the ambient temperature alternate, is prone to cause tube wall to separate with stiffening rib 2 and collapses.
With reference to figure 2, has the alternative manufacturing process of the outer ripple plastic winding structure wall pipe of hollow stiffening rib.What this technology was extruded by first extruder earlier is the special-shaped rectangular tube 4 that the both sides, bottom surface respectively have the suitable shape fin that a mutual welding uses; This abnormal shape rectangular tube 4 is after the vacuum cooling typing; Be spirally wound on the forming cylinder; Constantly extrude the melten gel 5 of fusion by second extruder again, be welded together through the pinch roller backing to the fin connection part that spiral side by side twines special-shaped rectangular tube 4 adjacent correspondences.There is following shortcoming in this technology: this welding position is at the weak part of tubing, and face of weld is little, the melten gel amount is few, thereby has reduced the tubing integral bending.
Therefore, be necessary to provide a kind of manufacturing to have the novel band of the outer ripple plastic winding structure wall pipe of hollow stiffening rib, to overcome above-mentioned technology and structural various shortcoming.
The model utility content
Shortcoming in view of above-mentioned existing technology; The technical problem that the utility model will solve provides a kind of outer ripple plastic winding structure wall pipe with hollow stiffening rib; This tubing also has higher intensity in tool ring stiffness and coefficient while of pipeclay preferably.
The utility model solves the technological scheme that its technical problem adopted:
A kind of internal rib reinforcing outer ripple type plastic twining structured wall pipe; Comprise the tubing body that twines the welding moulding by the band spiral; Said tubing body comprises cylindrical wall, spiral surrounding hollow stiffening rib above that and the enhancing internal-rib perpendicular to tube wall that is positioned at the hollow stiffening rib; This enhancing internal-rib is divided into two hollow cavities arranged side by side with said hollow stiffening rib, and the junction plane of said welding moulding is positioned at this enhancing internal-rib place.
The method of the utility model also can be done following improvement:
As the improvement of technique scheme, in said enhancing internal-rib, be enclosed with steel band.
As the further improvement of technique scheme, it is one trapezoidal that said hollow stiffening rib sectional shape is.
Because the junction plane of the utility model tubing welding moulding is positioned at this enhancing internal-rib place; Like this; Face of weld between its adjacent band is far longer than the winding structure bellows of all other types; Its welding effect is best in all winding corrugated pipes, thereby makes the product of the utility model method gained have higher intensity.And; Because the effect of fusion; The hollow stiffening rib of the tube wall that the utility model method is made middle part forms a upright enhancing internal-rib; This enhancing internal rib formations can effectively improve the stability of hollow stiffening rib, makes the winding corrugated pipe stability of the utility model be superior to other winding corrugated pipe and double-wall corrugated pipe.
Based on the said structure of the utility model, it has higher intensity having guaranteed good ring stiffness and good coefficient while of pipeclay.
Below will combine accompanying drawing that the technique effect of design, concrete structure and the generation of the utility model is described further, with purpose, characteristic and the effect of understanding the utility model fully.
Description of drawings
Fig. 1 is a kind of structural representation with outer ripple plastic winding structure wall pipe of hollow stiffening rib in the existing technology;
Fig. 2 is an another kind of structural representation with outer ripple plastic winding structure wall pipe of hollow stiffening rib in the existing technology;
Fig. 3 is the cross-sectional view of the utility model tubing;
Fig. 4 is the described plastics opposite sex of a utility model belt structure schematic representation;
Equipment situation plan when Fig. 5 is to use the utility model method to make tubing;
Fig. 6 uses pinch roller to roll the schematic representation that two tubular lobes are rolled in the utility model method;
Fig. 7 is the structure sectional view of coated steel band in the utility model method.
Embodiment
With reference to Fig. 3; The internal rib reinforcing outer ripple type plastic twining structured wall pipe that the utility model provided; It comprises the tubing body that is twined the welding moulding by band shown in Figure 4 10 spirals; Said tubing body comprises cylindrical wall 11, spiral surrounding hollow stiffening rib 12 above that and the enhancing internal-rib 13 perpendicular to tube wall that is positioned at hollow stiffening rib 12; This enhancing internal-rib 13 is divided into two hollow cavities arranged side by side 14 with said hollow stiffening rib 12, and the junction plane of said welding moulding is positioned at this enhancing internal-rib 13 places.Because the junction plane of the utility model tubing welding moulding is positioned at this enhancing internal-rib place; Like this; Face of weld between its adjacent band is far longer than the winding structure bellows of all other types; Its welding effect is best in all winding corrugated pipes, thereby makes the product of the utility model method gained have higher intensity.And; Because the effect of fusion; The hollow stiffening rib of the tube wall that the utility model method is made middle part forms a upright enhancing internal-rib; This enhancing internal rib formations can effectively improve the stability of hollow stiffening rib, makes the winding corrugated pipe stability of the utility model be superior to other winding corrugated pipe and double-wall corrugated pipe.
Based on the said structure of the utility model, it has higher intensity having guaranteed good ring stiffness and good coefficient while of pipeclay.
Preferably, said hollow stiffening rib 12 sectional shapes are one trapezoidal.
The basic design of the production method of the aforementioned tubes that the utility model provided is: it is twined in a spiral manner and is formed through the melten gel fusion by the plastic strap 10 that both sides have the tubular lobes 100 that includes hollow cavity; Two hollow cavities adjacent to each other form hollow stiffening rib 12 between the adjacent plastic strap 10 that twines in a spiral manner after fusing, and the fusion position forms upright enhancing internal-rib 13 at hollow stiffening rib 12 middle parts.
With reference to figure 5, this method specifically may further comprise the steps:
A): extrude the plastic strap 10 that continuous both sides have the tubular lobes 100 that includes hollow cavity with first extruder 15;
B): step a) gained band 10 is spirally wound on side by side on the forming cylinder 16 of continuous rotation, makes to form the space between adjacent plastic strap 10 two tubular lobes 100 adjacent to each other;
C): the plastics melten gel of in the space described in the step b), clamp-oning fusion with second extruder 17 continuously;
D): to c) pressure that other two adjacent tubular protruding 100 in space of melten gel apply have in opposite directions been clamp-oned in the step; Make these two tubular protrusions 100 be fused into one closely; Two tubular lobes 100 weldings form fusion position, the side formation enhancing internal-rib 13 of 12, two tubular lobes 100 of hollow stiffening rib of pipe outer wall.
So, continuously produce the described tubing of the utility model along with constantly rotated by the chain wheel drive swing roller.
In conjunction with Fig. 6; In step d); As preferred implementation; Corresponding two tubular lobes 100 in both sides, 18 pairs of adjacent plastic strap 10 welding gaps of pinch roller with being arranged at forming cylinder 16 periphery corresponding position place band corresponding recesses structures roll; Be applied to the pressure that other two adjacent tubular protruding 100 in the space to clamp-oning melten gel on it apply in opposite directions, narrow outer wide shape makes this pressure be decomposed into and makes two tubular lobes, 100 abundant bonding extruding forces in particularly preferably being for groove.Preferably, the pinch roller that is arranged at forming cylinder 16 periphery corresponding positions can be two or more as required.
In conjunction with Fig. 7, in the step c), as preferred implementation; One composite machine head is set on second extruder; The adapt steel band of radian distortion of the pipe diameter that will prepare with institute that will pass through that forming roll wheel rolls formation passes through this composite machine head, and second extruder is clamp-oned the melten gel of fusion in composite machine head, in composite machine head; The melten gel of fusion is with steel band 19 periphery parcels; The steel band that is wrapped in melten gel sandwiches in the described space of step b), and the side of two tubular lobes and the steel band that is wrapped in melten gel 19 fusions formation enhancing internal-rib 13 are to improve the intensity that strengthens internal-rib 13.
Said method can be equipped with the die head, typing cover and the complementary pinch roller that adapt with common winding structure wall pipe manufacturing mechanism and promptly can produce, and equipment investment is little, but wide popularization and application.
Certainly; The invention is not limited to above-mentioned mode of execution; Those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.

Claims (3)

1. internal rib reinforcing outer ripple type plastic twining structured wall pipe; Comprise the tubing body that twines the welding moulding by the band spiral; Said tubing body comprises cylindrical wall, spiral surrounding hollow stiffening rib above that and the enhancing internal-rib perpendicular to tube wall that is positioned at the hollow stiffening rib; This enhancing internal-rib is divided into two hollow cavities arranged side by side with said hollow stiffening rib, it is characterized in that: the junction plane of said welding moulding is positioned at this enhancing internal-rib place.
2. internal rib reinforcing outer ripple type plastic twining structured wall pipe according to claim 1 is characterized in that: be enclosed with steel band in the said enhancing internal-rib.
3. internal rib reinforcing outer ripple type plastic twining structured wall pipe according to claim 1 and 2 is characterized in that: said hollow stiffening rib sectional shape is one trapezoidal.
CN2011201485196U 2010-07-06 2011-05-11 External corrugated-type plastic enwound structure-wall tube with reinforced inner fin Expired - Lifetime CN202125676U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201485196U CN202125676U (en) 2010-07-06 2011-05-11 External corrugated-type plastic enwound structure-wall tube with reinforced inner fin

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN 201010218818 CN101907207A (en) 2010-07-06 2010-07-06 Internal rib reinforcing outer ripple type plastic twining structured wall pipe and manufacturing method thereof
CN201010218818.2 2010-07-06
CN2011201485196U CN202125676U (en) 2010-07-06 2011-05-11 External corrugated-type plastic enwound structure-wall tube with reinforced inner fin

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CN202125676U true CN202125676U (en) 2012-01-25

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Family Applications (5)

Application Number Title Priority Date Filing Date
CN 201010218818 Pending CN101907207A (en) 2010-07-06 2010-07-06 Internal rib reinforcing outer ripple type plastic twining structured wall pipe and manufacturing method thereof
CN2011201485209U Expired - Lifetime CN202079777U (en) 2010-07-06 2011-05-11 Pinch roller used for manufacturing wall tubing with enhanced inner ribs and outer corrugated type plastic structure
CN2011201485196U Expired - Lifetime CN202125676U (en) 2010-07-06 2011-05-11 External corrugated-type plastic enwound structure-wall tube with reinforced inner fin
CN 201110121186 Active CN102305316B (en) 2010-07-06 2011-05-11 Internal rib-reinforced outer corrugated plastic wound structural wall pipe and manufacturing method thereof
CN2011201485054U Expired - Lifetime CN202125675U (en) 2010-07-06 2011-05-11 Strip material for making pipe with inner rib reinforcing outer-corrugation-type plastic winding structure wall

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CN 201010218818 Pending CN101907207A (en) 2010-07-06 2010-07-06 Internal rib reinforcing outer ripple type plastic twining structured wall pipe and manufacturing method thereof
CN2011201485209U Expired - Lifetime CN202079777U (en) 2010-07-06 2011-05-11 Pinch roller used for manufacturing wall tubing with enhanced inner ribs and outer corrugated type plastic structure

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN 201110121186 Active CN102305316B (en) 2010-07-06 2011-05-11 Internal rib-reinforced outer corrugated plastic wound structural wall pipe and manufacturing method thereof
CN2011201485054U Expired - Lifetime CN202125675U (en) 2010-07-06 2011-05-11 Strip material for making pipe with inner rib reinforcing outer-corrugation-type plastic winding structure wall

Country Status (2)

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CN (5) CN101907207A (en)
WO (1) WO2012003744A1 (en)

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CN2599366Y (en) * 2002-12-18 2004-01-14 惠州市成达胶管制品有限公司 Water-supply and discharge dual-purpose plastic winding pipe
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CN2714647Y (en) * 2004-08-24 2005-08-03 广东联塑科技实业有限公司 Reinforced twisted pipe
CN1587774A (en) * 2004-09-20 2005-03-02 黄伟 Pipeline produced by screw winding plastic section bar
CN101907207A (en) * 2010-07-06 2010-12-08 戴爱清 Internal rib reinforcing outer ripple type plastic twining structured wall pipe and manufacturing method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305316A (en) * 2010-07-06 2012-01-04 戴爱清 Internal rib-reinforced outer corrugated plastic wound structural wall pipe and manufacturing method thereof
CN103292063A (en) * 2013-05-22 2013-09-11 浙江天井塑业有限公司 HDPE (high-density polyethylene) inside-outside-reinforced winding reinforced pipe
CN103292063B (en) * 2013-05-22 2015-04-01 浙江天井塑业有限公司 HDPE (high-density polyethylene) inside-outside-reinforced winding reinforced pipe
CN104908348A (en) * 2015-04-15 2015-09-16 云南森发塑胶制品有限公司 Hollow wall coiling plastic tube production method
CN104908348B (en) * 2015-04-15 2018-04-27 云南森发塑胶制品有限公司 A kind of hollow wall coils plastic cement pipe production method
CN108799642A (en) * 2018-09-05 2018-11-13 贺进军 A kind of rectangular double-walled stud winding pipe

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CN102305316B (en) 2013-01-02
CN101907207A (en) 2010-12-08
CN102305316A (en) 2012-01-04
WO2012003744A1 (en) 2012-01-12
CN202125675U (en) 2012-01-25
CN202079777U (en) 2011-12-21

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