CN209671784U - Irregular belt material and winding-type internal-rib bellows and its dedicated unit of production - Google Patents

Abstract

The utility model discloses a kind of irregular belt material for winding-type internal-rib bellows, it is characterized in that the irregular belt material is equipped with for the bottom Nian Jie with the tubing layer outside wall surface of winding-type internal-rib bellows, the bottom of the irregular belt material is the arcuate structure to irregular belt material middle bent.Winding-type internal-rib bellows is also disclosed, including tubing layer and the irregular belt material being wrapped on tubing layer and irregular belt material melt layer, the melt layer is tightly attached to irregular belt material and is welded together by the bottom surface of irregular belt material and tubing layer.Also disclose the production dedicated unit of winding-type internal-rib bellows.The utility model provides a kind of tubing for having the advantages that certain flexibility, capable of effectively eliminating internal stress existing for cold welding and avoiding weld strength relatively low, and the ring stiffness for improving the tubing, the composition special section for solving the tubing unilateral the phenomenon that being easy to appear alice when being wound by helical angle.

Description

Irregular belt material and winding-type internal-rib bellows and its dedicated unit of production

Technical field

The utility model relates to internal-rib corrugated pipe, especially a kind of irregular belt material and its composed internal-rib bellows and The technology of its dedicated unit produced.

Background technique

Structured wall popes be it is a kind of with high density polyethylene (HDPE) (HDPE) for raw material, using compression molding or hot Wrapping formed work Structure-wall pipe material made of skill, universal architecture include double-wall corrugated pipe and winding structure pipe.The tubing is a kind of novel acidproof, anti- Corruption, resistance to compression, nontoxic environmentally protective tubing, belong to environment-friendly and energy-efficient new high-tech product, be pipe of cement, cast iron pipe, glass tube, The optimal regeneration product such as PVC-U bellows.HDPE is high molecular polymer, make structure-wall pipe material have good flexibility and Whole critical external compressive resistance ability, in the case where there is overweight load road surface in use, can guarantee current safety.In the application, make under equal conditions It will all be improved compared with traditional piping material with the reliability of structured wall popes engineering, comprehensive benefit is obvious, especially narrow on construction ground Narrow, building dense, underground utilities are complicated and heavy traffic section and when acid-base property soil is laid with, more superiority.Due to Structured wall popes have many excellent performances, the tubing municipal drainage, building outdoor drainage, the defeated draining in buried farmland, discharge of industrial wastes, Road drainage, sewage treatment plant, the draining of sports ground Plaza Project and electrical telecommunication engineering etc. are widely applied.

Traditional structure wall tube material includes that the outer ripple double-wall corrugated pipe of inner plane and structure wall winding tube Type B pipe (have and do not advise The then structure-wall pipe material of shape), and with the interior outerplanar structure wall winding tube A type pipe (structure with smooth surfaces externally and internally Wall tube material).Though the structure wall winding tube internal-rib enhancing bellows energy of out of band ripple structure is more double-wall corrugated than traditional PE using material Pipe increased, but it increases in ripple caused by the back-flexing that internal-rib increase can effectively overcome traditional PE double-wall corrugated pipe Landslide, but traditional internal-rib enhancing bellows still remains very big deficiency, and production technology keeps first extrusion moulding special shapes cooling fixed It is squeezed out again after type and melts glue welding extrusion forming, cold welding mode has very big internal stress, and it is in industry that weld strength is too low Common fault, transport, carrying and geology sedimentation during be easy to happen fracture.

In the prior art, 102305316 B of Chinese patent CN, internal rib reinforcing outer ripple type plastic twining structured wall pipe The forming principle of material and its manufacturing method, internal rib reinforcing outer ripple type plastic twining structured wall pipe is: two sides are in including The plastic shaped band of the tubular lobes of cavity is helically wound and fuses to be formed through melten gel, the phase being helically wound Two hollow cavities adjacent to each other form hollow reinforced rib after fusing between adjacent plastic shaped band, and in hollow reinforced rib Middle part fusion position forms upright enhancing internal-rib, applies in opposite directions wherein having squeezed into two adjacent tubular protrusions by the gap of melten gel Pressure so that the two tubular protrusions are closely fused into one.The internal-rib that this technology is formed enhances outer ripple plastic Winding structure wall pipe determines its existing certain deficiencies due to its forming principle:

1) tubing layer is also referred to as tubing parietal layer, is directly to have the tubulose for including hollow cavity by the two sides of plastic shaped band Connection sheet between protrusion, which is wound, to be constituted, and since plastic shaped band is that preforming are good, is twined between hollow reinforced rib Screw pitch around formation be it is fixed nonadjustable, in certain occasions, when the reinforcing rib for needing big screw pitch, certainly will need to produce symbol again Desired plastic shaped band is closed, i.e., plastic shaped band needs to redesign and processing, and such consumptive material is time-consuming, greatly increases into This.

2) since tubing parietal layer is that directly had between the tubular lobes for including hollow cavity by the two sides of plastic shaped band The connection sheet gap that winds and constitute, therefore formed between adjacent plastic shaped band two tubular lobes adjacent to each other The saturation degree of bond degree and gluing bonding influences intensity, the sealing performance of tubing layer, if there are bubble or works in gluing Skill reason makes adhesive property bad, for example, two tubular lobes side fusion position formed enhancing internal-rib be need squeeze Pressure, the gap necessarily formed between two tubular lobes is the weak part of entire tubing, once there is defect, Jiu Huizhi Connecing leads to leak.

3) the enhancing internal-rib of hollow reinforced rib is made of together the side of two tubular lobes fusion position and gluing, Due to forming defect, the functional effect of the enhancing internal-rib of hollow reinforced rib is directly affected, because itself is at one kind Unstable and firm state.

4) the enhancing internal-rib of hollow reinforced rib is heated is easy temperature distortion and wave height is caused to lose, and causes tubing The reduction of ring stiffness.

It 5) is directly to be had between the tubular lobes for including hollow cavity by the two sides of plastic shaped band for tubing parietal layer Connection sheet wind and constitute, by the gap that is formed between adjacent plastic shaped band two tubular lobes adjacent to each other into Row bonding forms internal rib reinforcing outer ripple type plastic twining structured wall pipe, and plastic shaped band is that molding cooling is fixed The product of type, therefore the welding between adjacent plastic shaped band two tubular lobes adjacent to each other belongs to cold welding, it should Cold welding is the essential step and welding structure of the molding internal rib reinforcing outer ripple type plastic twining structured wall pipe, from And it is low there are the low the shortcomings that being easy disconnected pipe of weld strength when cold welding molding, especially weld strength and cause " spring " existing As.

Utility model content

In order to overcome the shortcomings in the prior art, the utility model provides a kind of abnormity for winding-type internal-rib bellows Band is suitable for winding-type internal-rib bellows, winding-type internal-rib bellows is made to eliminate showing for cold welding shaping pipe in production As, while solving unilateral the phenomenon that being easy to appear alice when special section is wound by helical angle.

The utility model provides the dedicated unit of a kind of winding-type internal-rib bellows and its production, effectively eliminates traditional interior There are weld strength low the shortcomings that being easy disconnected pipe cold welding problem is not present, also there is no welding in the molding of rib bellows cold welding Intensity it is low and caused by " spring " phenomenon, internal-rib is easy temperature distortion and leads when solving traditional internal-rib bellows side winding welding Wave height loss is caused, the reduction of the ring stiffness of tubing is caused.

The technical solution of the utility model is:

A kind of irregular belt material for winding-type internal-rib bellows, it is characterised in that the irregular belt material be equipped with for twine The bottom of the tubing layer outside wall surface bonding of geometric pattern internal-rib bellows, the bottom of the irregular belt material are to irregular belt material middle bent Arcuate structure.

The cross section of the irregular belt material includes vertical bar, outer muscle and bottom muscle, and outer muscle and the closing of bottom muscle are in cavity state, is erected One end of muscle is connected with bottom muscle, and the other end is connected with outer muscle, the arc-shaped structure of bottom muscle.

Action >=1mm of the arcuate structure of irregular belt material bottom muscle.

The bottom muscle of the irregular belt material is 0.7-1.0 times of the wall thickness of outer muscle, and vertical bar is the 0.7-1.2 of the thickness of bottom muscle Times.Because bottom muscle wants thin point to be conducive to save material material, vertical bar is too thick to be cooled down, too thin not have effect, and the vertical bar later period connects Head also acts as docking booster action, can not be too thin.

A kind of winding-type internal-rib bellows, including tubing layer and the irregular belt material being wrapped on tubing layer, with And irregular belt material melt layer, the melt layer are tightly attached to irregular belt material and by the bottom surface and the welding of tubing layer of irregular belt material one It rises.

The tubing layer is directly wound and is formed by overlapping by sheet material, the irregular belt material by melten gel be bonded in tubing layer it Mutually overlapped for sheet material above.Bottom muscle based on aforementioned irregular belt material is 0.7-1.0 times of the wall thickness of outer muscle, and vertical bar is bottom muscle 0.7-1.2 times of thickness, therefore play the booster action of sheet material docking.

The melt layer is the plastic layer for being coated on irregular belt material bottom muscle.

The melt layer with a thickness of be not less than 2mm molten condition plastics.

The melt layer is the plastic layer of integral coating irregular belt material.

The thickness of the melt layer is not less than 1.5mm, wherein being coated on the thickness in the face of bottom muscle not less than 2mm.

The production method of winding-type internal-rib bellows comprises the following steps that forming irregular belt material shape material embryo, then into Enter cooling and shaping device, forming internal-rib of the bottom with arcuate bottom muscle enhances irregular belt material；The internal-rib enhance irregular belt material into After row preheating, in the bottom-surface coated melt layer of the bottom muscle of internal-rib enhancing irregular belt material；The sheet material come out from sheet former It carries out continuous winding by wrapping machine and overlaps to form cylinder tubulose tubing layer, while bottom-surface coated has the internal-rib of melt layer Enhancing irregular belt material follows winding, and the outside wall surface of cylinder tubulose tubing layer is fitted closely by melten gel and profile shapes bottom, rolling And it is cooling, ultimately form winding-type internal-rib bellows.

The melt layer is squeezed out by third extruder, and melten gel discharge port is close to profile shapes bottom；The irregular belt material bottom Portion's preheating temperature is at least 70 DEG C or more.

A kind of dedicated unit of the production of winding-type internal-rib bellows, comprising:

Irregular belt material mold, irregular belt material extruder, the cooling and shaping device of irregular belt material, irregular belt material positioning device with And the driving mechanism and pressure roller, irregular belt material mold of irregular belt material movement are mounted on irregular belt material extruder, the pressure roller It is located at by the side of the roller of wrapping machine, irregular belt material extruder, the cooling and shaping device of irregular belt material, irregular belt material positioning device It sets gradually；Glue spreader, including extruder and the glue stations for being equipped with melten gel discharge port；Sheet die, sheet extruder, sheet material Mold is mounted on sheet extruder；Wrapping machine, including roller and its driving mechanism；The sheet material that the sheet extruder squeezes out by The roller of wrapping machine winds overlap joint, and special section positioning device is located at by the side of glue stations, and the melten gel discharging of glue stations is tight-lipped The bottom of patch cooling and shaping and the profile shapes having good positioning, the effect of the pressure roller is the cylinder tubulose tubing for making to fit closely Outside wall surface, melten gel and the profile shapes bottom of layer are rolled；The fixed-length cutting equipment of winding-type internal-rib bellows.

The beneficial effects of the utility model are:

The utility model is compared to 102305316 B of Chinese patent CN, internal rib reinforcing outer ripple type plastic twining structured wall Tubing and its manufacturing method can overcome its existing defect since forming principle is entirely different well.

The core of the utility model is heterotypic strip and the reinforcing rib in it is that preforming are good, and melten gel etc. is located at The bottom surface of heterotypic strip, therefore reinforcing rib is not heated directly and deforms and wave height is caused to lose, secondly internal-rib enhancing is special-shaped After band is preheated, in the bottom-surface coated melt layer of the bottom muscle of internal-rib enhancing irregular belt material, and the piece of tubing layer is formed Material is that band heat is carried out continuous winding and overlapped to form cylinder tubulose tubing layer by wrapping machine after coming out from sheet former, together When bottom-surface coated there is the internal-rib enhancing irregular belt material of melt layer to follow winding, the outside wall surface of cylinder tubulose tubing layer is by melting Glue is fitted closely with profile shapes bottom, is rolled and is cooled down, and winding-type internal-rib bellows is ultimately formed.

As it can be seen that there are following advantages for the utility model:

1) tubing layer described in 102305316 B of Chinese patent CN is that directly had to include by the two sides of plastic shaped band Connection sheet between the tubular lobes of hollow cavity, which is wound, to be constituted, hollow since plastic shaped band is that preforming are good The screw pitch being wound between reinforcing rib is fixed nonadjustable；And the utility model is that heterotypic strip follows winding, therefore with Can change with winding pitch, so as to adapt to big screw pitch reinforcing rib occasion, do not need to produce again satisfactory Plastic shaped band, i.e., plastic shaped band needs to redesign and processing, time saving in this way to save trouble, and substantially reduces cost.

2) tubing parietal layer described in 102305316 B of Chinese patent CN is directly by the two sides of plastic shaped band with interior Connection sheet between tubular lobes containing hollow cavity, which is wound, to be constituted, therefore two pipes that adjacent plastic shaped band is adjacent to each other The bond degree in the gap formed between shape protrusion and the saturation degree bonding of gluing influence intensity, the sealing performance of tubing layer, such as There are bubbles or technological reason to make adhesive property bad in fruit gluing, such as the side of two tubular lobes fuses position The enhancing internal-rib needs of formation squeeze, and the gap necessarily formed between two tubular lobes is the weak point of entire tubing Position, once there is defect, will directly result in leak；And the utility model formed tubing inner sheet be all under thermal welding state into Row, therefore the defect of above-mentioned leak is not present.The utility model tubing inner sheet refers to sheet material.

3) the enhancing internal-rib of hollow reinforced rib described in 102305316 B of Chinese patent CN is by the side of two tubular lobes Face fusion position and gluing are constituted together, due to forming defect, directly affect the function of the enhancing internal-rib of hollow reinforced rib Energy effect, because itself being at a kind of unstable and firm state；And the utility model be preforming have well plus The heterotypic strip of strengthening tendons, in the production process of entire winding-type internal-rib bellows, reinforcing rib is not heated directly, and It is the state for being molded in heterotypic strip together, therefore being constantly in stable and firm.

4) the enhancing internal-rib of hollow reinforced rib described in 102305316 B of Chinese patent CN is easy temperature distortion and leads to wave Line height loss causes the reduction of the ring stiffness of tubing；And the utility model is in the production of entire winding-type internal-rib bellows In the process, thermal welding state is to occur between the bottom surface of heterotypic strip and the outer surface of tubing layer, therefore there is no above-mentioned Defect, i.e. reinforcing rib in heterotypic strip are notheated deformation and wave height are caused to lose, and cause the ring stiffness of tubing It reduces.

It 5) is directly to be had by the two sides of plastic shaped band for tubing parietal layer described in 102305316 B of Chinese patent CN There is the connection sheet winding between the tubular lobes for including hollow cavity to constitute, by adjacent to each other two of adjacent plastic shaped band The bonding that carries out in the gap formed between tubular lobes forms internal rib reinforcing outer ripple type plastic twining structured wall pipe, and plastics Heterotypic strip is the product of molding cooling and shaping, thus adjacent plastic shaped band it is adjacent to each other two tubuloses it is convex Welding between rising belongs to cold welding, which is that the molding internal rib reinforcing outer ripple type plastic twining structured wall pipe must Indispensable step and welding structure, so that there are the low the shortcomings that being easy disconnected pipe of weld strength when cold welding molding, especially Weld strength is low and causes " spring " phenomenon；And when the utility model winding sweat soldering, from the sheet material of sheet former out It directly carries out continuous winding by wrapping machine and overlaps to form cylinder tubulose tubing layer, while preheated bottom-surface coated has melten gel The internal-rib enhancing irregular belt material of layer follows winding, and the outside wall surface of such cylinder tubulose tubing layer passes through melten gel and profile shapes bottom Portion fits closely, and rolls and cools down, and ultimately forms winding-type internal-rib bellows, therefore the utility model is different from above-mentioned cold welding Forming process, thus there are the low the shortcomings that being easy disconnected pipe of weld strength when cold welding molding, especially weld strength is low and make At " spring " phenomenon.

In addition, the bottom of the utility model irregular belt material is the bottom muscle with arcuate structure, acts on as follows: can be solved when winding Unilateral the phenomenon that being easy to appear alice when certainly special section is wound by helical angle；Melten gel when increasing melten gel contact area and winding Being not easy to be extruded disappearance causes adhesive effect poor；For example plane bottom muscle, profile shapes is easy winding due to bending deformation when winding There is raised phenomenon in bottom, causes band bottom since inclination to the left or to the right occurs in middle part contact, to product appearance and melten gel It is all very unfavorable to be bonded, and bottom structure of the utility model with arc can be solved the problem above-mentioned effectively；In production heavy caliber pipe When, since interior muscle is thicker, it is cooling it is difficult to ensure that, it may appear that muscle occurs bending and deformation situation in reinforcing, and arcuate structure bottom muscle is twining Around when can nature it is exceptionally straight down, play the role of stretching to muscle in reinforcing to muscle curvature in reducing.

In short, internally finned tube described in 102305316 B of Chinese patent CN is spliced for profile, once there is cold welding appearance Be not bonded or it is false viscous, just directly can leak, and inner sheet, that is, sheet material in the utility model is that hot wind is formed by overlapping, even if There is vacation and glues in the utility model irregular belt material, and drainage will not occurs, because internal layer, that is, tubing layer has become reliably Protective layer.

Certainly, the utility model compared with the existing technology in tubing, such as carat pipe, the product of the utility model has interior Rib, i.e., the internal-rib formed by the irregular belt material of welding, is continuous production overall structure, 102305316 B institute of Chinese patent CN Stating internally finned tube equally is that profile is spliced, and is not internal-rib overall structure.Carat pipe uses PP bushing pipe, discontinuous to produce, and not It is whole welding, PP skeleton is not bonded；The bottom cambered surface of the utility model irregular belt material product is bonded, and bond area is big, carat Pipe is to wind after round skeleton coats, and round bond area is small, and there are dead angles on tubing ripple both sides, is easy backfill leakiness and completes Landslide, and internal-rib described in 102305316 B of Chinese patent CN is spliced by profile side, completely cold welding, bond area are difficult To increase, the volume of the welding glue of bonding is difficult to increase, if to increase, needs to design counter structure, otherwise welding glue is difficult to Molding, and vacation once occur and glue, it will leak.The production method of internally finned tube described in 102305316 B of Chinese patent CN it is special Entirely different with the design and the utility model of device, the design of the dedicated unit of the production method of carat pipe is practical new with this Type is entirely different.It is the design of the dedicated unit of technical problem to be solved in the utility model, technical concept and production, made At product it is different, therefore there is no the technical inspirations and motivation that combine for 102305316 B of Chinese patent CN and carat pipe.

Detailed description of the invention

Fig. 1 is the utility model winding-type internal-rib bellows structure schematic diagram (one)；

Fig. 2 is enlarged diagram of the Fig. 1 at F；

Fig. 3 is the structural schematic diagram of the utility model irregular belt material embodiment 1；

Fig. 4 is the utility model winding-type internal-rib bellows structure schematic diagram (two)；

Fig. 5 is enlarged diagram of the Fig. 4 at G.

Fig. 6 the utility model produces the structure diagram of the dedicated unit of winding-type internal-rib bellows.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage more explicit, below in conjunction with specific embodiment and Attached drawing is described in further details the utility model.

The utility model is used for the irregular belt material of winding-type internal-rib bellows, and the irregular belt material is equipped with and is used for and winding-type The bottom of the tubing layer outside wall surface bonding of internal-rib bellows, the bottom of the irregular belt material are the arc to irregular belt material middle bent Shape structure.The irregular belt material is dedicated irregular belt material.

It can be seen that the dedicated irregular belt material in the utility model is one integrally formed, i.e., squeezed directly from mold Molding out, winding welding just constitutes hollow in reinforcing rib behind the tubing layer outer surface of winding-type internal-rib bellows Rib structure, it is clear that the internal rib formations of the utility model winding-type internal-rib bellows are not during the winding process, to pass through double half hitch Structure, the internal rib formations formed using hot melt adhesive in side or other local weldings, are to be different from Chinese patent CN 102305316 Corresponding product involved in B, internal rib reinforcing outer ripple type plastic twining structured wall pipe and its manufacturing method, it is equally, different The internal-rib in 204403608 U of Chinese patent CN, 204176182 U of Chinese patent CN, 101907207 A of Chinese patent CN It needs to form an entirety by side colloidal sol welding.

The use of this dedicated irregular belt material of the utility model: 1) traditional internal-rib bellows cold welding can be effectively eliminated There are weld strength low the shortcomings that being easy disconnected pipe, the utility model structures, and cold welding problem is not present for molding, will not there is weldering Connect intensity it is low and caused by " spring " phenomenon.In the present invention, there is no the moldings that cold welding problem refers to tubing layer Journey.

2) internal-rib is easy temperature distortion and wave height is caused to damage when solving the winding welding of traditional internal-rib bellows side The shortcomings that losing, and causing the ring stiffness decline of tubing.

Irregular belt material in the utility model, construction can be into irregular belt material there are many multiplicity, especially bottom When the curved arcuate structure in portion, the structure of aforementioned existing patent can be equally formed.Preferably following knots of the utility model Structure.

Such as Fig. 3, the cross section of irregular belt material 1 includes vertical bar 11, outer muscle 12 and bottom muscle 13, and outer muscle and the closing of bottom muscle are in sky One end of cavity-like state, vertical bar is connected with bottom muscle, and the other end is connected with outer muscle, the arc-shaped structure of bottom muscle 13.Know that irregular belt material 1 is Tubular structure, the axial direction setting of irregular belt material 1 is intermediate to be arranged vertical bar.The wherein action of the arcuate structure of irregular belt material bottom muscle ≥1mm.Irregular belt material bottom muscle is 0.7-1.0 times of the wall thickness of outer muscle, and vertical bar is 0.7-1.2 times of the thickness of bottom muscle.Certainly perpendicular Two or three etc. also can be set in muscle.

The utility model winding-type internal-rib bellows including tubing layer 3 and is wrapped on tubing layer 3 as shown in Figure 1, Figure 2 Irregular belt material 1 and irregular belt material melt layer 2, melt layer is tightly attached on irregular belt material, and passes through the bottom surface of irregular belt material and pipe Material layer is welded together.Tubing layer 3 is directly wound by sheet material and is formed by overlapping, and irregular belt material 1 is bonded in tubing layer by melten gel Sheet material mutually overlapped above, in other words, the bottom surface of the sheet material of tubing layer mutually overlapped overlap joint line is located at irregular belt material Region.Melt layer is the plastic layer for being coated on irregular belt material bottom muscle.Melt layer with a thickness of be not less than 2mm molten condition Plastics.

Such as Fig. 4, Fig. 5, the melt layer unlike aforementioned is the plastic layer 4 of integral coating irregular belt material.This is molten The thickness of glue-line is not less than 1.5mm, wherein being coated on the thickness in the face of bottom muscle not less than 2mm.

The shortcomings that there are weld strengths based on traditional internal-rib bellows cold welding molding, the utility model provides one kind With certain flexibility, internal stress existing for cold welding can be effectively eliminated and avoid weld strength relatively low novel belt internal-rib knot The corrugated pipe of structure；Internal-rib is easy temperature distortion and leads to ripple when solving the winding welding of traditional internal-rib bellows side simultaneously Height loss improves the ring stiffness of tubing.Solve unilateral the phenomenon that being easy to appear alice when special section is wound by helical angle.

The production method of the utility model winding-type internal-rib bellows, manufacturing step are as follows:

Plastics squeeze out irregular belt material shape material embryo through the first extruder heating melting, subsequently into cooling and shaping device, shape Internal-rib at bottom with arcuate bottom muscle enhances irregular belt material；

By plastics through the second extruder heating melting extrusion sheet；The internal-rib enhancing irregular belt material is preheated simultaneously Afterwards, in the bottom-surface coated melt layer of the bottom muscle of internal-rib enhancing irregular belt material；The sheet material wrapping machine carries out continuous winding simultaneously Overlap joint forms cylinder tubulose tubing layer, and bottom-surface coated has the internal-rib enhancing irregular belt material of melt layer to follow winding, cylindrical tube The outside wall surface of shape tubing layer is fitted closely by melten gel and profile shapes bottom, is rolled and is cooled down, and winding-type internal-rib wave is ultimately formed Line pipe.

Melt layer is squeezed out by third extruder, and melten gel discharge port is close to profile shapes bottom；The irregular belt material bottom is pre- Hot temperature is at least 70 DEG C or more.

Melten gel therein, for tubing layer and band same material material and adapted it is certain be conducive to its performance Group is grouped as.Wherein tubing layer is also referred to as internal layer, band, that is, irregular belt material abbreviation.

The technological merit of the utility model: 1) traditional internal-rib bellows cold welding forms the shortcomings that there are weld strengths, This practical one kind that is intended to provide has certain flexibility, can effectively eliminate internal stress existing for cold welding and avoid weld strength The corrugated pipe of relatively low novel belt internal rib formations；2) internal-rib holds when solving the winding welding of traditional internal-rib bellows side simultaneously Cause wave height to lose vulnerable to thermal deformation, improves the ring stiffness of tubing.3) when solving special section and being wound by helical angle Unilateral the phenomenon that being easy to appear alice.

Such as Fig. 6, internal-rib bellows composed by the utility model irregular belt material, that is, winding-type internal-rib bellows production is dedicated Equipment includes irregular belt material extruder 14；Irregular belt material mold 15；Cooling and shaping device 16；Wrapping machine 17；Glue spreader 18；It is interior Layer extruder 19；Irregular belt material 1；Internal layer, that is, tubing layer 3；Special section positioning device 20；Cutting machine 21；Stinger 22；Pressure roller 23； Glue stations 24.Cooling and shaping device, that is, special section cooling and shaping device in the present invention, special section is irregular belt material.

Specifically:

1) irregular belt material mold, irregular belt material extruder, the cooling and shaping device of irregular belt material, irregular belt material positioning device And the driving mechanism and pressure roller, irregular belt material mold of irregular belt material movement are mounted on irregular belt material extruder, the pressure Roller is located at by the side of the roller of wrapping machine, irregular belt material extruder, the cooling and shaping device of irregular belt material, irregular belt material positioning dress It sets and sets gradually；

2) glue spreader, including extruder and the glue stations for being equipped with melten gel discharge port；

3) sheet die, sheet extruder, sheet die are mounted on sheet extruder；

4) wrapping machine, including roller and its driving mechanism；The sheet material that the sheet extruder squeezes out by wrapping machine roller Winding overlap joint, special section positioning device is located at by the side of glue stations, the melten gel discharge port of glue stations be close to cooling and shaping with The bottom for the profile shapes having good positioning, the effect of the pressure roller be the outside wall surface for making the cylinder tubulose tubing layer fitted closely, Melten gel is rolled with profile shapes bottom；

5) fixed-length cutting equipment of winding-type internal-rib bellows.

The above-mentioned equipment of the application may each be equipment in the prior art, and those skilled in the art can not pay completely Creative labor can be implemented out.Such as irregular belt material extruder 14, wrapping machine 17, inner layer extruder 19 and cutting machine 21 can be commercially available in the market, and irregular belt material mold 15 is designed and produced type chamber according to irregular belt material and is installed on commonly Mold, cooling and shaping device 16 can be the equipment in 102305316 B of Chinese patent CN, be also possible to water cooling and Fixed irregular belt material prevents deformation.Special section positioning device 20, even if special section is located in by the roller side of wrapping machine 17. Internal layer overlap joint winding is first squeezed out, the profile shapes of cooling and shaping is close to by positioning device by melten gel mouth, and melten gel mouth squeezes out molten Glue is closely coated on profile shapes bottom, and coated profile shapes, which follows, is wound tubing.Wherein melten gel mold is squeezed out in internal layer Above mold, melten gel discharge port is close to profile shapes bottom, can be closely adhered to melten gel with profile shapes bottom.

Claims (11)

1. a kind of irregular belt material for winding-type internal-rib bellows, it is characterised in that the irregular belt material be equipped with for winding The bottom of the tubing layer outside wall surface bonding of type internal-rib bellows, the bottom of the irregular belt material are to irregular belt material middle bent Arcuate structure.

2. irregular belt material according to claim 1, it is characterised in that the cross section of the irregular belt material includes vertical bar, outer muscle And bottom muscle, outer muscle and the closing of bottom muscle are in cavity state, and one end of vertical bar is connected with bottom muscle, and the other end is connected with outer muscle, described The arc-shaped structure of bottom muscle.

3. irregular belt material according to claim 2, it is characterised in that the action of the arcuate structure of irregular belt material bottom muscle ≥1mm。

4. irregular belt material according to claim 2, it is characterised in that the bottom muscle of the irregular belt material is the wall thickness of outer muscle 0.7-1.0 times, vertical bar is 0.7-1.2 times of the thickness of bottom muscle.

5. a kind of winding-type internal-rib bellows, including tubing layer and the claims 1 or 2 being wrapped on tubing layer or 3 or 4 institutes The irregular belt material and irregular belt material melt layer stated, it is characterised in that the melt layer is tightly attached to irregular belt material and by special-shaped band The bottom surface of material is welded together with tubing layer.

6. winding-type internal-rib bellows according to claim 5, it is characterised in that the tubing layer is directly wound by sheet material Be formed by overlapping, the irregular belt material by melten gel be bonded in tubing layer sheet material mutually overlapped above.

7. winding-type internal-rib bellows according to claim 5, it is characterised in that the melt layer is to be coated on the abnormity The plastic layer of band bottom muscle.

8. winding-type internal-rib bellows according to claim 5, it is characterised in that the melt layer with a thickness of be not less than 2mm Molten condition plastics.

9. winding-type internal-rib bellows according to claim 5, it is characterised in that the melt layer is integral coating abnormity band The plastic layer of material.

10. winding-type internal-rib bellows according to claim 9, it is characterised in that the thickness of the melt layer is not less than 1.5mm, wherein being coated on the thickness in the face of bottom muscle not less than 2mm.

11. the dedicated unit of the production of winding-type internal-rib bellows as claimed in claim 5 characterized by comprising

Irregular belt material mold, irregular belt material extruder, the cooling and shaping device of irregular belt material, irregular belt material positioning device and different The mobile driving mechanism of shape band and pressure roller, irregular belt material mold are mounted on irregular belt material extruder, and the pressure roller is located at By the side of the roller of wrapping machine, irregular belt material extruder, the cooling and shaping device of irregular belt material, irregular belt material positioning device are successively Setting；

Glue spreader, including extruder and the glue stations for being equipped with melten gel discharge port；

Sheet die, sheet extruder, sheet die are mounted on sheet extruder；

Wrapping machine, including roller and its driving mechanism；

The sheet material that the sheet extruder squeezes out winds overlap joint by the roller of wrapping machine, and irregular belt material positioning device is located at painting mucilage binding By the side set, the melten gel discharge port of glue stations is close to the bottom of cooling and shaping with the irregular belt material having good positioning, the pressure The effect of roller is to roll outside wall surface, melten gel and the irregular belt material bottom of the cylinder tubulose tubing layer fitted closely；

The fixed-length cutting equipment of winding-type internal-rib bellows.