CN209991020U - Special-shaped strip and winding type inner rib corrugated pipe and special device for producing same - Google Patents
Special-shaped strip and winding type inner rib corrugated pipe and special device for producing same Download PDFInfo
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- CN209991020U CN209991020U CN201821492817.5U CN201821492817U CN209991020U CN 209991020 U CN209991020 U CN 209991020U CN 201821492817 U CN201821492817 U CN 201821492817U CN 209991020 U CN209991020 U CN 209991020U
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Abstract
The utility model discloses a dysmorphism strip for winding type inner rib bellows, a serial communication port dysmorphism strip is equipped with the bottom that is used for bonding with the tubular product layer outer wall of winding type inner rib bellows, the bottom surface of the bottom of dysmorphism strip is the plane bottom surface. The winding type inner rib corrugated pipe comprises a pipe layer, the special-shaped strip wound on the pipe layer and a special-shaped strip melt adhesive layer, wherein the melt adhesive layer is tightly attached to the special-shaped strip and is welded with the pipe layer through the bottom surface of the special-shaped strip. Also discloses a production method of the winding type inner rib corrugated pipe and a special device thereof. The utility model provides a have certain flexibility, can effectively eliminate the internal stress that cold welding exists and avoid the tubular product of the advantage of welding strength on the low side to improved the ring rigidity of this tubular product, solved the unilateral phenomenon that sticks up the limit appears easily when the constitution dysmorphism material of this tubular product twines according to the helix angle.
Description
Technical Field
The utility model relates to an inner rib corrugated pipe, in particular to a special-shaped strip and an inner rib corrugated pipe composed of the special-shaped strip and a technology of a special device for producing the same.
Background
The structural wall pipe is made of high-density polyethylene (HDPE) and through compression molding or hot winding, and has universal structure including double-wall corrugated pipe and wound structural wall pipe. The pipe is a novel acid-resistant, corrosion-resistant, compression-resistant and non-toxic green environment-friendly pipe, belongs to an environment-friendly energy-saving high and new technology product, and is an ideal updating product for cement pipes, cast iron pipes, glass pipes, PVC-U corrugated pipes and the like. HDPE is a high molecular polymer, so that the structural wall pipe has good flexibility and overall external pressure resistance, and can ensure traffic safety when used under an overweight load road surface. In application, the reliability of the project using the structural wall pipe under the same condition is improved compared with the traditional pipe, the comprehensive benefit is obvious, and the method has more superiority particularly in the construction site with narrow construction site, dense buildings, complex underground pipelines and busy road sections and in the acid-base soil laying process. Because the structural wall pipe has a plurality of excellent performances, the pipe can be widely applied to municipal drainage, building outdoor drainage, buried farmland water delivery and drainage, industrial pollution discharge, road drainage, sewage treatment plants, playground square engineering drainage, electric telecommunication engineering and the like.
The conventional structural wall pipe comprises an inner plane outer corrugated double-wall corrugated pipe, a structural wall winding pipe B-shaped pipe (a structural wall pipe with an irregular shape), and a structural wall winding pipe A-shaped pipe with an inner plane and an outer plane (a structural wall pipe with a smooth inner surface and a smooth outer surface). Although the used materials of the structure wall winding pipe inner rib reinforced corrugated pipe with the external corrugated structure are increased compared with the traditional PE double-wall corrugated pipe, the inner rib is increased in the corrugations to effectively overcome the collapse caused by reverse bending of the traditional PE double-wall corrugated pipe, but the traditional inner rib reinforced corrugated pipe still has great defects, the production process enables the extruded profiled bar to be cooled and shaped firstly and then extruded to melt glue, welded and extruded, and extruded and formed, the cold welding mode has great internal stress, and the over-low welding strength is a common fault in the industry, and the corrugated pipe is easy to break in the processes of transportation, carrying and geological settlement.
In the prior art, chinese patent CN 102305316B, an inner rib reinforced outer corrugated plastic winding structural wall pipe and a manufacturing method thereof, the forming principle of the inner rib reinforced outer corrugated plastic winding structural wall pipe is as follows: the plastic special-shaped strip with the tubular bulges containing the hollow cavities at two sides is spirally wound and fused by melt adhesive to form the plastic special-shaped strip, two adjacent hollow cavities between adjacent spirally wound plastic special-shaped strips are fused to form a hollow reinforcing rib, and a vertical reinforced inner rib is formed at the fusion position in the middle of the hollow reinforcing rib, wherein opposite pressure is applied to the two adjacent tubular bulges beside the gap extruded into the melt adhesive, so that the two tubular bulges are tightly fused into a whole. The inner rib reinforced outer corrugated plastic winding structural wall pipe formed by the technology has the following inevitable defects due to the forming principle:
1) the pipe layer is also called as a pipe wall layer and is formed by directly winding connecting sheets between tubular bulges with hollow cavities at two sides of a plastic special-shaped strip.
2) Because the wall layer of the pipe is directly formed by winding the connecting sheets between the tubular bulges with hollow cavities at two sides of the plastic special-shaped strip, the bonding degree of a gap formed between the two adjacent tubular bulges of the plastic special-shaped strip and the saturation degree of gluing affect the strength and the sealing performance of the pipe layer, if air bubbles exist in the gluing or the bonding performance is poor due to process reasons, for example, an enhanced inner rib formed at the side fusion part of the two tubular bulges needs to be extruded, the gap formed between the two tubular bulges is inevitably the weak part of the whole pipe, and once the defect occurs, water leakage can be directly caused.
3) The reinforced inner rib of the hollow reinforcing rib is formed by fusing parts of the side surfaces of the two tubular bulges and gluing, and the functional effect of the reinforced inner rib of the hollow reinforcing rib is directly influenced due to the forming defect, and the reinforced inner rib is in an unstable and stable state.
4) The reinforcing inner rib of the hollow reinforcing rib is easy to be heated and deformed to cause the height loss of the corrugation, thereby causing the reduction of the ring stiffness of the pipe.
5) The wall layer of the pipe is directly formed by winding connecting sheets between tubular bulges with hollow cavities at two sides of a plastic special-shaped strip, a gap formed between two adjacent tubular bulges of the plastic special-shaped strip is bonded to form the wall pipe with the inner rib reinforced outer corrugated plastic winding structure, and the plastic special-shaped strip is a formed product which is cooled and shaped, so that the welding between the two adjacent tubular bulges of the plastic special-shaped strip belongs to cold welding which is a step and a welding structure for forming the wall pipe with the inner rib reinforced outer corrugated plastic winding structure, and the defect that the pipe is easy to break due to low welding strength during cold welding forming exists, particularly the phenomenon of 'spring' due to low welding strength.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough among the prior art, the utility model provides a dysmorphism strip for winding type inner rib bellows is applicable to winding type inner rib bellows, makes winding type inner rib bellows eliminate the phenomenon of cold welding shaping tubular product in production, solves the unilateral phenomenon that sticks up the limit easily appearing when special-shaped material twines according to the helical angle simultaneously.
The utility model provides a winding type inner rib bellows and production method and isolated plant thereof effectively eliminates traditional inner rib bellows cold welding shaping and has the shortcoming that the low easy disconnected pipe of welding strength exists, does not have the cold welding problem, does not also have the low and "spring" phenomenon that causes of welding strength, and the inner rib is heated the deformation easily and leads to ripple high loss when solving traditional inner rib bellows side winding butt fusion, causes the reduction of the ring rigidity of tubular product.
The technical scheme of the utility model is that:
the special-shaped strip for the winding type inner rib corrugated pipe is characterized in that the special-shaped strip is provided with a bottom which is used for being bonded with the outer wall surface of a pipe layer of the winding type inner rib corrugated pipe, and the bottom surface of the bottom of the special-shaped strip is a plane bottom surface.
The cross section of the special-shaped strip comprises a vertical rib, an outer rib and a bottom rib, the outer rib and the bottom rib are sealed to form a cavity, one end of the vertical rib is connected with the bottom rib, the other end of the vertical rib is connected with the outer rib, and the bottom surface of the bottom rib is a plane bottom surface.
The wall thickness of the bottom rib of the special-shaped strip is the same as that of the outer rib, and the thickness of the vertical rib is 0.7-1.2 times that of the bottom rib. Because the bottom rib needs the thin point to be favorable to practicing thrift the material, erect the muscle too thick and can not cool off, too thin plays not the effect, and the vertical rib later stage connects and still plays the butt joint reinforcing action moreover, also can not be too thin.
The winding type inner rib corrugated pipe comprises a pipe layer, the special-shaped strip wound on the pipe layer and a special-shaped strip melt adhesive layer, wherein the melt adhesive layer is tightly attached to the special-shaped strip and is welded with the pipe layer through the bottom surface of the special-shaped strip.
The pipe layer is formed by directly winding and lapping the sheets, and the special-shaped strip is adhered to the upper surfaces of the sheets of the pipe layer in a mutual lapping way through the melt adhesive. Based on the fact that the vertical ribs are 0.7-1.2 times of the thickness of the bottom ribs, the butt joint reinforcing effect of the sheets is achieved.
The melt adhesive layer is a plastic layer coated on the bottom rib of the special-shaped strip.
The thickness of the melt adhesive layer is not less than 2mm of molten plastic.
The melt adhesive layer is a plastic layer which integrally wraps the special-shaped strip.
The thickness of the melt adhesive layer is not less than 1.5mm, and the thickness of the surface coated on the bottom rib is not less than 2 mm.
The production method of the winding type inner rib corrugated pipe comprises the following steps:
forming a material blank in the shape of a special-shaped strip, and then entering a cooling and shaping device to form an inner rib reinforced special-shaped strip with an arc-shaped bottom rib at the bottom; after the inner rib reinforced special-shaped strip is preheated, coating a melt adhesive layer on the bottom surface of the bottom rib of the inner rib reinforced special-shaped strip; and continuously winding and lapping the sheet from the sheet forming machine by using a winding machine to form a cylindrical tubular pipe layer, simultaneously, winding the inner rib reinforced special-shaped strip coated with the melt adhesive layer on the bottom surface along with the inner rib reinforced special-shaped strip, tightly attaching the outer wall surface of the cylindrical tubular pipe layer to the bottom of the special-shaped strip through the melt adhesive, rolling and cooling to finally form the winding type inner rib corrugated pipe.
The molten adhesive layer is extruded by a third extruder, and a molten adhesive discharge port is tightly attached to the bottom of the profiled bar; the preheating temperature of the bottom of the special-shaped strip is at least above 70 ℃.
A special apparatus for the production of a wound inner rib corrugated tube, comprising:
the special-shaped strip material cooling and shaping device comprises a special-shaped strip material die, a special-shaped strip material extruder, a special-shaped strip material cooling and shaping device, a special-shaped strip material positioning device, a special-shaped strip material moving driving mechanism and a press roller, wherein the special-shaped strip material die is arranged on the special-shaped strip material extruder; the glue spreader comprises an extruder and a glue spreading device provided with a molten glue discharge port; the sheet die is arranged on the sheet extruder; the winding machine comprises a roller and a driving mechanism thereof; the sheet extruded by the sheet extruder is wound and overlapped by a roller of a winding machine, a special-shaped material positioning device is arranged beside a gluing device, a molten glue discharge port of the gluing device is tightly attached to the bottom of the cooled, shaped and positioned special-shaped material, and the compression roller is used for rolling the outer wall surface of the tightly attached cylindrical tubular pipe layer, the molten glue and the bottom of the special-shaped material; fixed-length cutting equipment of winding type inner rib bellows.
The utility model has the advantages that:
the utility model discloses compare in chinese patent CN 102305316B, outer ripple type plastics winding arrangement wall tubular product of inner rib reinforcing and manufacturing method because the shaping principle is different completely, consequently can overcome the defect of its existence well.
The utility model discloses a core lies in heterotypic strip and the strengthening rib in it is that the preforming is good, and the bottom surface at heterotypic strip is established to melten gel etc. and, therefore the strengthening rib is not directly heated and warp and lead to ripple high loss, secondly the back is preheated to inner rib reinforcing dysmorphism strip the bottom surface coating melten layer of the base bar of inner rib reinforcing dysmorphism strip, and the sheet that forms the tubular product layer takes heat to carry out continuous winding and overlap joint formation drum tubulose tubular product layer through the coiler after coming out from the sheet forming machine, and the bottom surface coating has the melten layer simultaneously the winding is followed to inner rib reinforcing dysmorphism strip, and the outer wall on drum tubulose tubular product layer closely laminates bottom the abnormal shape material through melten gel, and the roll extrusion is cooled off, finally forms winding type inner rib bellows.
It can be seen that the utility model has the following advantages:
1) the pipe layer described in chinese patent CN 102305316B is formed by directly winding connecting sheets between tubular protrusions having hollow cavities at both sides of plastic profiled strips, and because the plastic profiled strips are pre-formed, the pitch formed by winding the hollow reinforcing ribs is fixed and non-adjustable; and the utility model discloses a winding is followed to abnormal shape strip, consequently follows winding pitch and can change to can adapt to the occasion of coarse pitch's strengthening rib, need not produce the plastics abnormal shape strip that meets the requirements again, plastics abnormal shape strip needs redesign and processing promptly, saves time and saves trouble like this, greatly reduced low cost.
2) The wall layer of the pipe described in CN 102305316B is directly formed by winding the connecting pieces between the tubular protrusions having hollow cavities at both sides of the plastic profiled strip, so that the bonding degree of the gap formed between two adjacent tubular protrusions of the plastic profiled strip and the saturation degree of the glue coating affect the strength and sealing performance of the pipe layer, if there is air bubbles in the glue coating or the process causes the bonding performance to be poor, for example, the reinforced inner rib formed at the side fusion part of two tubular protrusions needs to be extruded, the gap formed between the two tubular protrusions is inevitably the weak part of the whole pipe, and once there is a defect, water leakage can be directly caused; the tube forming of the utility model is carried out under the thermal welding state, so the defects are not existed.
3) The reinforced inner rib of the hollow reinforcing rib described in the chinese patent CN 102305316B is composed of a fused part at the side of two tubular protrusions and glue, and because of the molding defect, the functional effect of the reinforced inner rib of the hollow reinforcing rib is directly affected, because it is in an unstable and stable state; and the utility model discloses a preformed abnormal shape strip that has the strengthening rib, in the production process of rib bellows in whole winding type, the strengthening rib is not directly heated, and the shaping is in abnormal shape strip together moreover, so be in stable and firm state always. The formation of the inner sheet of the pipe of the utility model is carried out under the state of thermal welding, so the defect of water leakage does not exist. The inner sheet of the pipe of the utility model is a sheet.
4) The reinforced inner rib of the hollow reinforcing rib described in the chinese patent CN 102305316B is easily deformed by heat to cause the loss of the height of the corrugation, resulting in the reduction of the ring stiffness of the pipe; and the utility model discloses in the production process of rib bellows in whole winding type, the hot melt state takes place between the surface on the bottom surface of heterotypic strip and pipe layer, consequently does not exist at above-mentioned defect, and the strengthening rib in the heterotypic strip can not heated deformation and lead to ripple high loss promptly, has caused the reduction of the ring rigidity of tubular product.
5) The wall layer for the pipe described in chinese patent CN 102305316B is formed by directly winding connecting sheets between two tubular protrusions having hollow cavities at two sides of plastic profiled strips, and the gaps formed between two adjacent tubular protrusions of adjacent plastic profiled strips are bonded to form an inner rib reinforced outer corrugated plastic winding structure wall pipe, and the plastic profiled strips are formed products that are shaped by cooling, so the welding between two adjacent tubular protrusions of adjacent plastic profiled strips belongs to cold welding, which is an essential step and welding structure for forming the inner rib reinforced outer corrugated plastic winding structure wall pipe, so that the disadvantage that the pipe is easily broken due to low welding strength during cold welding forming, especially the phenomenon of "spring" due to low welding strength, exists; and the utility model discloses during winding hot melt welding, the sheet that comes out from the sheet make-up machine directly twines in succession and the overlap joint forms drum tubulose tubular layer through the coiler, and the bottom surface coating that preheats well simultaneously has the melten gel layer interior rib reinforcing dysmorphism strip follows the winding, and the outer wall on drum tubulose tubular layer closely laminates bottom the profile shapes through the melten gel like this, rolls and cools off, finally forms winding type interior rib bellows, consequently the utility model discloses be different from above-mentioned cold welding forming process to the low shortcoming of easy disconnected pipe of welding strength when having cold welding shaping, especially welding strength is low and causes "spring" phenomenon.
In a word, chinese patent CN 102305316B the inner rib pipe forms for the section bar concatenation, in case there is the non-adhesion that cold welding appears or the false glue, just directly can leak, and the utility model provides an inner sheet is that the hot winding overlap joint forms, even the utility model discloses the pseudo-adhesion appears in dysmorphism strip, the phenomenon of leaking can not appear yet, because the layer is the tubular product layer and has become reliable inoxidizing coating.
Of course, the utility model discloses for tubular product among the prior art, like the carat pipe, the utility model discloses a product has the inner rib, and the inner rib that forms through welded dysmorphism strip promptly is continuous production overall structure, chinese patent CN 102305316B the inner rib pipe is the section bar concatenation equally and forms, not inner rib overall structure. The Krah pipe is produced discontinuously by using a PP liner pipe, and is not integrally welded, and the PP framework is not bonded; the utility model discloses the bottom plane of dysmorphism strip product bonds, and the bonding area is big, and the carat pipe twines for round skeleton cladding back, and round bonding area is little, and there is the dead angle at tubular product ripple both sides, backfills easily that the incompact finishing collapses, and chinese patent CN 102305316B the inner rib is by section bar side concatenation, is cold welding completely, and the volume that the butt fusion glued of bonding is difficult to the increase, if will increase, needs the design to correspond the structure, and otherwise the butt fusion is glued and is difficult to the shaping, in case appear sticking in case, will leak moreover. Chinese patent CN 102305316B the manufacturing method of the inner ribbed tube is completely different from the present invention, and the manufacturing method of the krah tube is completely different from the present invention. The technical problems to be solved by the present invention, technical conception and manufactured products are different, so there is no technical inspiration or motivation for combining chinese patent CN 102305316B with krah pipe.
Drawings
Fig. 1 is a schematic structural view (one) of the winding type inner rib corrugated pipe of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at F;
fig. 3 is a schematic structural diagram of an embodiment 1 of the special-shaped strip material of the present invention;
fig. 4 is a structural schematic diagram (two) of the winding type inner rib corrugated pipe of the present invention;
fig. 5 is an enlarged schematic view at G of fig. 4.
Fig. 6 is a schematic structural diagram of the special device for producing the winding type inner rib corrugated pipe of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in detail with reference to the following embodiments and accompanying drawings.
The utility model is used for special-shaped strip of winding type inner rib bellows, special-shaped strip is equipped with the bottom that is used for with the outer wall bonding of tubular product layer of winding type inner rib bellows, the bottom of special-shaped strip is the plane bottom surface. The special-shaped strip is a special-shaped strip.
Therefore, the utility model provides a special-shaped strip is a whole body, and direct extrusion moulding from the mould promptly, its winding welding just constitutes the cavity behind the tubular product layer surface of winding type inner rib bellows and has the inner rib structure of strengthening rib, and is obvious, the utility model discloses the inner rib structure of winding type inner rib bellows is not at the winding in-process, through two half structures, utilizes the inner rib structure of hot melt adhesive welding formation in side or other places, is different from chinese patent CN 102305316B, and the inner rib needs to form a whole through the side sol welding in inner rib reinforcing outer ripple type plastics winding structure wall tubular product and the manufacturing method, and is different from chinese patent CN 204403608U, chinese patent CN 204176182U, chinese patent CN 101907207 a equally.
The utility model discloses the use of this kind of special-shaped strip: 1) can effectively eliminate traditional interior rib bellows cold welding shaping and have the shortcoming that the low easy disconnected pipe of welding strength, the utility model discloses there is not the cold welding problem in the structure, also can not have the low and "spring" phenomenon that causes of welding strength. The utility model discloses in, there is not the cold welding problem to indicate the forming process on tubular product layer.
2) The corrugated pipe overcomes the defect that the ring stiffness of the pipe is reduced due to the fact that the inner ribs are easy to be heated and deformed to cause corrugated height loss when the side surfaces of the traditional inner rib corrugated pipe are wound and welded.
The utility model provides a dysmorphism strip, its structure can have a variety, when especially the bottom is the plane bottom, can form the structure of aforementioned prior patent equally. The following structure of the present invention is preferable.
As shown in fig. 3, the cross section of the special-shaped strip 1 comprises a vertical rib 11, an outer rib 12 and a bottom rib 13, the outer rib and the bottom rib are sealed to form a cavity, one end of the vertical rib is connected with the bottom rib, the other end of the vertical rib is connected with the outer rib, and the bottom surface of the bottom rib 13 is a plane. The special-shaped strip 1 is of a tubular structure, and the middle of the special-shaped strip 1 is provided with a vertical rib in the axial direction. The wall thickness of the bottom rib of the special-shaped strip is the same as that of the outer rib, and the thickness of the vertical rib is 0.7-1.2 times that of the bottom rib. Of course two or three vertical ribs may be provided.
The utility model discloses winding type inner rib bellows, like figure 1, figure 2, including tubular product layer 3 and winding dysmorphism strip 1 and dysmorphism strip melten gel layer 2 on tubular product layer 3, the melten gel layer is hugged closely on special-shaped strip to bottom surface through special-shaped strip fuses together with tubular product layer. The pipe layer 3 is formed by directly winding and lapping the sheets, and the special-shaped strip 1 is adhered to the upper surfaces of the sheets of the pipe layer in a mutual lapping way through melt adhesive, in other words, a lapping line of the sheets of the pipe layer in the mutual lapping way is positioned in the bottom surface area of the special-shaped strip. The melt adhesive layer is a plastic layer coated on the bottom rib of the special-shaped strip material. The thickness of the molten plastic layer is not less than 2 mm.
As shown in fig. 4 and 5, the difference from the foregoing is that the melting glue layer is a plastic layer 4 which entirely covers the profiled strip. The thickness of the melt glue layer is not less than 1.5mm, and the thickness of the surface coated on the bottom rib is not less than 2 mm.
Based on the defect of welding strength existing in the traditional cold welding forming of the corrugated pipe with the inner ribs, the utility model provides a novel corrugated pipe with an inner rib structure, which has certain flexibility, can effectively eliminate the internal stress existing in cold welding and avoid the lower welding strength; meanwhile, the problem that the height loss of the corrugated pipe is caused by the fact that the inner ribs are easy to be heated and deformed when the side face of the traditional inner rib corrugated pipe is wound and welded is solved, and the ring stiffness of the pipe is improved. The problem that the single side of a special-shaped material is easy to warp when the special-shaped material is wound according to a spiral angle is solved.
The utility model discloses production method of winding type inner rib bellows, its manufacturing step is as follows:
heating and melting the plastic by a first extruder to extrude a material blank in the shape of a special-shaped strip, and then feeding the material blank into a cooling and shaping device to form an inner rib reinforced special-shaped strip with an arc-shaped bottom rib at the bottom;
heating, melting and extruding the plastic into a sheet by a second extruder; simultaneously, after preheating the inner rib reinforced special-shaped strip, coating a melt adhesive layer on the bottom surface of the bottom rib of the inner rib reinforced special-shaped strip; the sheet winding machine is used for continuously winding and lapping to form a cylindrical tubular pipe layer, the inner rib reinforced special-shaped strip coated with a melt adhesive layer on the bottom surface is wound along with the inner rib reinforced special-shaped strip, the outer wall surface of the cylindrical tubular pipe layer is tightly attached to the bottom of the special-shaped strip through the melt adhesive, and the cylindrical tubular pipe layer is rolled and cooled to finally form the winding type inner rib corrugated pipe.
The molten glue layer is extruded by a third extruder, and a molten glue discharge port is tightly attached to the bottom of the profiled bar; the preheating temperature of the bottom of the special-shaped strip is at least above 70 ℃.
The melting glue is made of the same material as the pipe layer and the strip and is matched with certain components which are beneficial to the performance of the melting glue. Wherein the pipe layer is also called inner layer, and the short name of the strip is special-shaped strip.
The technical advantages of the utility model: 1) the utility model aims to provide a novel corrugated pipe with an inner rib structure, which has certain flexibility, can effectively eliminate the internal stress of cold welding and avoid the lower welding strength; 2) meanwhile, the problem that the height loss of the corrugated pipe is caused by the fact that the inner ribs are easy to be heated and deformed when the side face of the traditional inner rib corrugated pipe is wound and welded is solved, and the ring stiffness of the pipe is improved. 3) The problem that the single side of a special-shaped material is easy to warp when the special-shaped material is wound according to a spiral angle is solved.
As shown in fig. 6, the special equipment for producing the inner rib corrugated pipe formed by the special-shaped strips, namely the winding inner rib corrugated pipe, comprises a special-shaped strip extruder 14; a profiled strip die 15; a cooling and shaping device 16; a winding machine 17; a glue applicator 18; an inner layer extruder 19; a profiled strip 1; the inner layer is a pipe layer 3; a profile positioning device 20; a cutter 21; a stinger 22; a press roll 23; a glue applicator 24. The utility model discloses well cooling setting device is special-shaped material cooling setting device promptly, and special-shaped material is special-shaped strip promptly.
Specifically, the method comprises the following steps:
1) the special-shaped strip material cooling and shaping device comprises a special-shaped strip material die, a special-shaped strip material extruder, a special-shaped strip material cooling and shaping device, a special-shaped strip material positioning device, a special-shaped strip material moving driving mechanism and a press roller, wherein the special-shaped strip material die is arranged on the special-shaped strip material extruder;
2) the glue spreader comprises an extruder and a glue spreading device provided with a molten glue discharge port;
3) the sheet die is arranged on the sheet extruder;
4) the winding machine comprises a roller and a driving mechanism thereof; the sheet extruded by the sheet extruder is wound and overlapped by a roller of a winding machine, a special-shaped material positioning device is arranged beside a gluing device, a molten glue discharge port of the gluing device is tightly attached to the bottom of the cooled, shaped and positioned special-shaped material, and the compression roller is used for rolling the outer wall surface of the tightly attached cylindrical tubular pipe layer, the molten glue and the bottom of the special-shaped material;
5) fixed-length cutting equipment of winding type inner rib bellows.
The above-mentioned devices of the present application can be devices in the prior art, and those skilled in the art can implement them completely without creative efforts. For example, the special-shaped strip extruder 14, the winding machine 17, the inner layer extruder 19 and the cutting machine 21 can be purchased from the market, the special-shaped strip die 15 is designed and manufactured according to the special-shaped strip and is installed in a common die, and the cooling and shaping device 16 can be equipment in the chinese patent CN 102305316B, or can be water-cooled and used for fixing the special-shaped strip to prevent deformation. The profile positioning device 20 positions the profile beside the drum of the winding machine 17. Firstly, extruding an inner layer, lapping and winding, enabling the cooled and shaped profiled bar to pass through a positioning device and closely pass through a molten glue port, extruding molten glue from the molten glue port, and tightly coating the molten glue on the bottom of the profiled bar, and forming a pipe by the coated profiled bar along with winding. Wherein the melt adhesive mould is arranged above the inner layer extrusion mould, and the melt adhesive discharge port is tightly attached to the bottom of the profiled bar, so that the melt adhesive can be tightly attached to the bottom of the profiled bar.
Claims (9)
1. The utility model provides a strip for rib bellows in winding type, its characterized in that the strip is equipped with the bottom that is used for with the outer wall bonding of tubular product layer of the rib bellows in the winding type, the bottom surface of the bottom of strip is the plane bottom surface, and the cross section of strip is including erecting muscle, outer muscle and end muscle, and outer muscle seals with end muscle and is the cavity state, and the one end of erecting the muscle links to each other with end muscle, and the other end links to each other with outer muscle, end muscle bottom surface is the plane bottom surface.
2. A strip according to claim 1, wherein the wall thickness of the bottom and outer ribs of the strip is the same and the vertical ribs are 0.7 to 1.2 times the thickness of the bottom rib.
3. A corrugated pipe with an inner rib of the wrap type, comprising a pipe layer and the strip of claim 1 or 2 wrapped around the pipe layer, and a layer of the strip melt adhesive applied to the strip and fused to the pipe layer through the bottom surface of the strip.
4. The wound inner rib corrugated pipe according to claim 3, wherein the pipe layers are formed by directly winding and overlapping sheets, and the tapes are bonded to the overlapped sheets of the pipe layers by a melt adhesive.
5. The wound inner rib bellows of claim 3 wherein the layer of molten glue is a layer of plastic applied to the bottom bead of the band.
6. The wound inner rib bellows of claim 3, wherein the thickness of the melt adhesive layer is not less than 2mm of molten plastic.
7. The wound inner rib bellows of claim 3 wherein the layer of molten adhesive is a layer of plastic integrally belted.
8. The wound inner rib corrugated pipe as claimed in claim 7, wherein the thickness of the adhesive layer is not less than 1.5mm, and wherein the thickness of the surface coated on the bottom rib is not less than 2 mm.
9. A special apparatus for the production of a twisted type inner rib corrugated tube as set forth in claim 3, comprising:
the device comprises a strip die, a strip extruder, a strip cooling and shaping device, a strip positioning device, a strip moving driving mechanism and a press roller, wherein the strip die is arranged on the strip extruder;
the glue spreader comprises an extruder and a glue spreading device provided with a molten glue discharge port;
the sheet die is arranged on the sheet extruder;
the winding machine comprises a roller and a driving mechanism thereof;
the sheet extruded by the sheet extruder is wound and overlapped by a roller of a winding machine, a strip positioning device is arranged beside a gluing device, a molten glue discharge port of the gluing device is tightly attached to the bottom of the cooled, shaped and positioned strip, and the compression roller is used for rolling the outer wall surface of the tightly attached cylindrical tubular pipe layer, the molten glue and the bottom of the strip;
fixed-length cutting equipment of winding type inner rib bellows.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391418X | 2018-08-27 | ||
| CN201821391418 | 2018-08-27 |
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| CN209991020U true CN209991020U (en) | 2020-01-24 |
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| CN201821492817.5U Active CN209991020U (en) | 2018-08-27 | 2018-09-12 | Special-shaped strip and winding type inner rib corrugated pipe and special device for producing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953784A (en) * | 2018-08-27 | 2018-12-07 | 广东永高塑业发展有限公司 | Irregular belt material and winding-type internal-rib bellows and preparation method and dedicated unit |
-
2018
- 2018-09-12 CN CN201821492817.5U patent/CN209991020U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953784A (en) * | 2018-08-27 | 2018-12-07 | 广东永高塑业发展有限公司 | Irregular belt material and winding-type internal-rib bellows and preparation method and dedicated unit |
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Address after: 510800 No.8, Xixiu Road, Maxi village, Xiuquan street, Huadu District, Guangzhou City, Guangdong Province Patentee after: Ad pipeline (Guangdong) Co.,Ltd. Address before: 511810 No.1, Dongxiu Road East, Maxi village, Xiuquan street, Huadu District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG YONGGAO PLASTIC INDUSTRY DEVELOPMENT Co.,Ltd. |