CN107825731A - A kind of PP skeletons enhancing PE helical bellowses production technology and its production line - Google Patents

A kind of PP skeletons enhancing PE helical bellowses production technology and its production line Download PDF

Info

Publication number
CN107825731A
CN107825731A CN201710952494.7A CN201710952494A CN107825731A CN 107825731 A CN107825731 A CN 107825731A CN 201710952494 A CN201710952494 A CN 201710952494A CN 107825731 A CN107825731 A CN 107825731A
Authority
CN
China
Prior art keywords
band
skeletons
helical
enhancing
composite strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710952494.7A
Other languages
Chinese (zh)
Other versions
CN107825731B (en
Inventor
潘小雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Sanshui Shi Tong Plastic Co Ltd
Original Assignee
Foshan Sanshui Shi Tong Plastic Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Sanshui Shi Tong Plastic Co Ltd filed Critical Foshan Sanshui Shi Tong Plastic Co Ltd
Priority to CN201710952494.7A priority Critical patent/CN107825731B/en
Publication of CN107825731A publication Critical patent/CN107825731A/en
Application granted granted Critical
Publication of CN107825731B publication Critical patent/CN107825731B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00Producing tubular articles
    • B29D23/001Pipes; Pipe joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

The invention discloses a kind of PP skeletons enhancing PE helical bellowses production technology and its production line, its production craft step to be:Expression surface stays reeded matrix band, length direction extension of the groove along matrix band, while prefabricated body band is unreeled;Matrix band carry out cooling shaping after it is compound with the body band of drawing-off in the same direction, it is compound after body band insertion matrix band groove in;Extrusion Tectorial membrane band simultaneously makes Tectorial membrane band while covers the side formation composite strip of body band and matrix band;Composite strip carries out spiral winding and composite strip is wound PP skeletons enhancing PE helical bellowses using the composite strip of PUR bonding adjacent bed.Its production line includes the first extrusion device, unreeling machine, bosh, the drafter for drawing-off body band, the second extrusion device, the 3rd extrusion device wrapping machine.

Description

A kind of PP skeletons enhancing PE helical bellowses production technology and its production line
Technical field
The present invention relates to PP skeletons to strengthen PE helical bellows production technical fields, more particularly to a kind of PP skeletons enhancing PE Helical bellows production technology and its production line.
Background technology
Publication No. CN205001673U utility model patent discloses a kind of PP skeletons by the present inventor's invention and increased Strong PE helical bellowses.The PP skeletons enhancing PE helical bellowses be combined by body and matrix, have stronger rigidity and Relatively low weight.The production technology and equipment of PP skeletons enhancing PE helical bellowses are not disclosed in the utility model patent, When producing similar products in the prior art, its technology mode will be usually after will first utilizing wrapping machine to form matrix, then by body It is wrapped on matrix and PP skeletons enhancing PE helical bellowses is made, it is necessary to complete production through winding twice, low production efficiency is unfavorable In raising yield reduction production cost.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of reliability height, the PP of raising production efficiency Skeleton strengthens PE helical bellows production technologies.
The PP skeletons enhancing PE helical bellows production technologies that the present invention uses comprise the following steps:
S1. expression surface stays reeded matrix band, and length direction of the groove along matrix band extends, while right Prefabricated body band is unreeled;
S2. matrix band carry out cooling shaping after it is compound with the body band of drawing-off in the same direction, it is compound after body band it is embedding In the groove for entering matrix band;
S3. extrude Tectorial membrane band and make Tectorial membrane band while cover the side formation composite band of body band and matrix band Material;
S4. composite strip carries out spiral winding and composite strip is wound shape using the composite strip of PUR bonding adjacent bed Strengthen PE helical bellowses into PP skeletons.
Further, after PP skeletons enhancing PE helical bellowses rise to length-specific, PE spiral shells are strengthened to the PP skeletons Rotation bellows carries out cutting and forms the PP skeletons enhancing PE helical bellowses with length-specific.
Further, in the step S4, also strengthen PP skeletons PE helical bellowses and spray cooling water with to PP skeletons Strengthen PE helical bellows cooling shapings.
Further, the one of which in the circular in cross-section of the body band, square, triangle or ellipse.
Further, the body band is in hollow structure.
Further, the cross section both sides of described matrix band are rounded, wherein one in square, triangle or ellipse Kind.
Further, described matrix band both sides are in hollow structure.
The production technology that the present invention uses has the advantages that:The production technology of the present invention can be used for production PP skeletons Strengthen PE helical bellowses, simultaneously because first matrix band, body band and Tectorial membrane band are complex as in its production technology Spiral winding is carried out after crossed belt material again, PE spirals can not be strengthened by once winding production PP skeletons by solving traditional processing technology The problem of bellows, improves production efficiency.
It is used for present invention also offers the production line for realizing above-mentioned production technology, including according to what production process was set gradually Extrude the first extrusion device of the matrix band, unreeling machine for unreeling body band, fixed for matrix band cool down The bosh of shape, the drafter for drawing-off body band, the second extrusion device for extruding Tectorial membrane band, for squeezing Go out the 3rd extrusion device of PUR and the wrapping machine for winding composite strip;The wrapping machine include frame, main shaft assembly, Drive the main shaft assembly drive mechanism of main shaft assembly rotation, the guide plate and rolling wheel of main shaft assembly periphery, wherein institute are set State main shaft assembly to be used to wind for composite strip and drive composite strip to rotate, the guide plate is obliquely installed to guide composite band Material is wound along helical angle, and the rolling wheel is used to roll composite strip, second extrusion device and the 3rd extrusion device Extrusion die is arranged at main shaft assembly periphery.
Further, the drafter includes multiple pulleys, and the plurality of pulley is installed at the top of bosh.
Further, the wrapping machine is additionally provided with water-cooling-sprayer and strengthens PE helical bellowses for support PP skeletons Idler machining, the idler machining includes at least two carrying rollers, the rotating shaft of the carrying roller and main shaft assembly it is axially in parallel.
Further, described wrapping machine is additionally provided with the cutting mechanism for severing PP skeletons enhancing PE helical bellowses, The cutting mechanism includes Electric Motor Wheel saw and the feed cylinder of driving electric wheel saw feed.
Further, described main shaft assembly includes more annular spreads and is rotationally connected with the transfer roller in frame, the master Axle assembly drive mechanism includes the driven gear coaxially connected with transfer roller, driving gear, is connected driven gear and driving gear Driving chain and the motor of driving driving gear rotation.
Production line disclosed by the invention has the advantages that:The production line of the present invention can realize the production work of the present invention Skill, its specific process are as follows:The extrusion matrix band first break draft of first extrusion device carries out cooling shaping into bosh, together When prefabricated body band unreeled from unreeling machine after extended in the same direction through drafter and matrix band, final matrix band and pipe Body band converge in bosh downstream make body band insertion matrix band groove in, it is compound after matrix band and body Band drawing-off is to wrapping machine, because the extrusion die of the second extrusion device and the 3rd extrusion device is arranged at outside main shaft assembly Enclose, the Tectorial membrane band of the second extrusion device extrusion can directly be covered in matrix band and the upper side of body band forms composite band Material, while the PUR of the 3rd extrusion device extrusion smears the side of composite strip, it is total that composite strip is pressed to main shaft by rolling wheel Drive composite strip winding into and by rotating shaft, at the same under guide plate guiding composite strip offset to be formed helical angle finally make it is multiple Crossed belt material is wound in a helical pattern, and the composite strip that adjacent bed is finally bonded using PUR forms PP skeletons enhancing PE helicons Line pipe.
Brief description of the drawings
Fig. 1 is the sectional view that PP skeletons strengthen PE helical bellowses.
Fig. 2 is side layout's figure of the production line of the present invention.
Fig. 3 is the front view of the wrapping machine of the present invention.
Fig. 4 is the partial enlarged drawing of region A in Fig. 3.
Fig. 5 is the top view of the wrapping machine of the present invention.
Wherein, the extrusion devices of 1- first, 2- unreeling machines, 3- boshes, 4- drafters, the extrusion devices of 5- second, 6- 3rd extrusion device, 7- wrapping machines, 71- frames, 72- main shaft assemblies, 721- transfer rollers, 731- driven gears, 732- driving gears, 733- driving chains, 734- motors, 74- guide plates, 75- rolling wheels, 76- idler machinings, 77- cutting mechanisms, 771- are electronic Wheel saw, 772- feed cylinders, 78- water-cooling-sprayers, 81- matrix bands, 82- body bands, 83- Tectorial membrane bands.
Embodiment
Claimed technical solution of the invention is described in further detail in conjunction with the drawings and specific embodiments.
Referring to shown in accompanying drawing 1, the PP skeletons enhancing PE helical bellowses of the present embodiment production are formed by composite strip winding, The composite strip includes matrix band 81, body band 82 and the overlay film band for being covered in matrix band 81 and the surface of body band 82 Material 83, the lateral surface of wherein matrix band 81 are left in the groove of groove, the insertion matrix of body band 82 band 81.Body band 82 be PP materials, and matrix band 81 and Tectorial membrane band 83 are PE materials.In the present embodiment, the body band 82 is transversal Face is rounded, and body band 82 is in hollow structure, and the cross section of body band 82 can also basis in other embodiments It is actually needed and is set as square, triangle or ellipse etc.;And the cross section both sides of matrix band 81 are square and its both sides In hollow structure, the cross section both sides of matrix band 81 can be set as circular trigonometric shape according to being actually needed in other embodiments Or ellipse etc..
Referring to shown in Fig. 2 to Fig. 5, the production line in the present embodiment includes being used to extrude according to what production process was set gradually It is first extrusion device 1 of matrix band 81, the unreeling machine 2 for unreeling body band 82, cold for being carried out to matrix band 81 But the bosh 3 that shapes, the drafter 44 for drawing-off body band 82, the second extrusion for extruding Tectorial membrane band 83 Device 5, the 3rd extrusion device 6 for extruding and hot melting glue and the wrapping machine 7 for winding composite strip.
Wherein, drafter 44 includes multiple pulleys, and the plurality of pulley is installed on the top of bosh 3.Wrapping machine 7 Including frame 71, main shaft assembly 72, the main shaft assembly drive mechanism for driving the rotation of main shaft assembly 72, the periphery of setting main shaft assembly 72 Guide plate 74 and rolling wheel 75, wherein main shaft assembly 72 be used for wound for composite strip and drive composite strip to rotate, lead It is obliquely installed to plate 74 to guide composite strip to be wound along helical angle, rolling wheel 75 is used to roll composite strip, the second extrusion dress Put 5 and the 3rd the extrusion die of extrusion device 6 be arranged at the periphery of main shaft assembly 72.
In the present embodiment, wrapping machine 7 is additionally provided with water-cooling-sprayer 78 and strengthens PE spirals for support PP skeletons The idler machining 76 of bellows.Cool down fountain head strengthens PE helical bellowses sprinkling cooling water to PP skeletons, strengthens PE to PP skeletons Helical bellows carries out cooling shaping, and allows PUR energy quick-binding composite strip.Idler machining 76 includes at least two carrying rollers, Strengthen PP skeletons PE helical bellowses using idler machining 76 and carry out support, and the rotating shaft due to carrying roller and main shaft assembly 72 It is axially in parallel, therefore formed and be in rolling contact between PP skeletons enhancing PE helical bellowses and carrying roller, prevent that carrying roller from wearing PP skeletons Strengthen PE helical corrugation pipe surfaces.Wrapping machine 7 is additionally provided with the cutting mechanism for severing PP skeletons enhancing PE helical bellowses 77, the cutting mechanism 77 includes Electric Motor Wheel saw 771 and driving electric wheel saws the feed cylinder 772 of 771 feeds.Main shaft is total Include more annular spreads and the transfer roller 721 being rotationally connected with frame 71 into 72, main shaft assembly drive mechanism includes and transfer roller 721 coaxially connected driven gears 731, driving gear 732, the driving chain of connection driven gear 731 and driving gear 732 733 and driving driving gear 732 rotate motor 734.
In the present embodiment, the production technology that PP skeletons enhancing PE helical bellowses are produced using above-mentioned production line is as follows:
S1. the first extrusion device 1 extrusion upper side stays reeded matrix band 81, while prefabricated body band 82 exists Unreeled on unreeling machine 2.
S2. the first break draft of matrix band 81 carries out cooling shaping into bosh 3, while prefabricated body band 82 is from putting Extended in the same direction after being unreeled in volume machine 2 through drafter 44 and matrix band 81, final matrix band 81 is with body band 82 cold But the downstream of tank 3, which is converged, makes body band 82 be embedded in the groove of matrix band 81.
S3. matrix band 81 and the drawing-off of body band 82 to wrapping machine 7 after compound, due to the second extrusion device 5 and The extrusion die of 3rd extrusion device 6 is arranged at the periphery of main shaft assembly 72, and the Tectorial membrane band 83 of the second extrusion device 5 extrusion can be straight Connect the upper side formation composite strip for being covered in matrix band 81 and body band 82.
S4. the PUR of the 3rd extrusion device 6 extrusion smears the side of composite strip, and rolling wheel 75 presses to composite strip Main shaft assembly 72 simultaneously drives composite strip to wind by rotating shaft, while composite strip offsets to form spiral under the guiding of guide plate 74 Angle finally makes composite strip wind in a helical pattern, and the composite strip that adjacent bed is bonded using PUR forms PP skeletons enhancing PE Helical bellows, then cool down fountain head strengthens PE helical bellowses sprinkling cooling water to PP skeletons, strengthens PE spiral shells to PP skeletons Revolve bellows and carry out cooling shaping, and allow PUR energy quick-binding composite strip.
S5. the length for strengthening PE helical bellowses with the continuous spiral winding PP skeletons of composite strip increases, and works as PP When the length of skeleton enhancing PE helical bellowses reaches setting length, the driving electric wheel of feed cylinder 772 saw of cutting mechanism 77 771 strengthen PE helical bellows feeds to PP skeletons, saw Electric Motor Wheel as PP skeletons strengthen the constantly rotation of PE helical bellowses 771 pairs of PP skeletons enhancing PE helical bellowses carry out ring cutting, strengthen PE helical bellowses so as to set out the PP skeletons of setting length.
Embodiment described above is only presently preferred embodiments of the present invention, not does any formal limit to the present invention System.Any those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above Technology contents more possible variations and retouching are made to technical solution of the present invention, or be revised as the equivalence enforcement of equivalent variations Example.Therefore all contents without departing from technical solution of the present invention, the equivalent equivalence changes that the thinking according to the present invention is made, it all should cover In in protection scope of the present invention.

Claims (12)

1. a kind of PP skeletons strengthen PE helical bellows production technologies, it is characterised in that comprise the following steps:
S1. expression surface stays reeded matrix band (81), and length direction of the groove along matrix band (81) extends, together When prefabricated body band (82) is unreeled;
S2. matrix band (81) carry out cooling shaping after it is compound with the body band (82) of drawing-off in the same direction, it is compound after body band In the groove of the embedded matrix band (81) of material (82);
S3. extrude Tectorial membrane band (83) and make Tectorial membrane band (83) while cover the side of body band (82) and matrix band (81) Face forms composite strip;
S4. composite strip carries out spiral winding and composite strip is wound PP using the composite strip of PUR bonding adjacent bed Skeleton strengthens PE helical bellowses.
A kind of 2. PP skeletons enhancing PE helical bellows production technologies according to claim 1, it is characterised in that:When PP bones After frame enhancing PE helical bellowses rise to length-specific, cutting is carried out to PP skeletons enhancing PE helical bellowses and forms tool There are the PP skeletons enhancing PE helical bellowses of length-specific.
A kind of 3. PP skeletons enhancing PE helical bellows production technologies according to claim 1, it is characterised in that:Described In step S4, it is fixed to strengthen PP skeletons the cooling of PE helical bellowses also to strengthen PP skeletons PE helical bellowses sprinkling cooling water Shape.
A kind of 4. PP skeletons enhancing PE helical bellows production technologies according to claim 1, it is characterised in that:The pipe One of which in the circular in cross-section of body band (82), square, triangle or ellipse.
A kind of 5. PP skeletons enhancing PE helical bellows production technologies according to claim 4, it is characterised in that:The pipe Body band (82) is in hollow structure.
A kind of 6. PP skeletons enhancing PE helical bellows production technologies according to claim 1, it is characterised in that:The base The cross section both sides of body band (81) are rounded, the one of which in square, triangle or ellipse.
A kind of 7. PP skeletons enhancing PE helical bellows production technologies according to claim 6, it is characterised in that:Described Matrix band (81) both sides are in hollow structure.
8. a kind of production line for the PP skeletons enhancing PE helical bellows production technologies being used to realize described in claim 1, it is special Sign is:Including according to production process set gradually be used for extrude the first extrusion device (1) of matrix band (81), for putting The unreeling machine (2) of pipe crimping body band (82), for matrix band (81) carry out cooling shaping bosh (3), for leading Stretch the drafter (4) of body band (82), the second extrusion device (5) for extruding Tectorial membrane band (83), for extruding heat 3rd extrusion device (6) of melten gel and the wrapping machine (7) for winding composite strip;The wrapping machine (7) include frame (71), Main shaft assembly (72), the main shaft assembly drive mechanism for driving main shaft assembly (72) rotation, leading for main shaft assembly (72) periphery is set To plate (74) and rolling wheel (75), wherein the main shaft assembly (72) is used to wind for composite strip and drive composite strip to revolve Turn, the guide plate (74) is obliquely installed to guide composite strip to be wound along helical angle, and the rolling wheel (75) is used to roll again The extrusion die of crossed belt material, second extrusion device (5) and the 3rd extrusion device (6) is arranged at main shaft assembly (72) outside Enclose.
9. production line according to claim 8, it is characterised in that:The drafter (4) includes multiple pulleys, the plurality of The pulley is installed at the top of bosh (3).
10. production line according to claim 8, it is characterised in that:The wrapping machine (7) is additionally provided with water-cooling-sprayer (78) and the idler machining (76) for support PP skeletons enhancing PE helical bellowses, the idler machining (76) include at least two Carrying roller, the rotating shaft of the carrying roller are axially in parallel with main shaft assembly (72).
11. production line according to claim 8, it is characterised in that:Described wrapping machine (7) is additionally provided with for severing PP Skeleton strengthens the cutting mechanism (77) of PE helical bellowses, and the cutting mechanism (77) includes Electric Motor Wheel saw (771) and band The feed cylinder (772) of dynamic Electric Motor Wheel saw (771) feed.
12. production line according to claim 8, it is characterised in that:Described main shaft assembly (72) includes more annulars point Cloth and the transfer roller (721) being rotationally connected with frame (71), the main shaft assembly drive mechanism include and transfer roller (721) is coaxial connects Driven gear (731), driving gear (732), the driving chain of connection driven gear (731) and driving gear (732) connect (733) and driving driving gear (732) rotation motor (734).
CN201710952494.7A 2017-10-13 2017-10-13 A kind of PP skeleton enhancing PE helical bellows production technology and its production line Active CN107825731B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710952494.7A CN107825731B (en) 2017-10-13 2017-10-13 A kind of PP skeleton enhancing PE helical bellows production technology and its production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710952494.7A CN107825731B (en) 2017-10-13 2017-10-13 A kind of PP skeleton enhancing PE helical bellows production technology and its production line

Publications (2)

Publication Number Publication Date
CN107825731A true CN107825731A (en) 2018-03-23
CN107825731B CN107825731B (en) 2019-08-09

Family

ID=61647966

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710952494.7A Active CN107825731B (en) 2017-10-13 2017-10-13 A kind of PP skeleton enhancing PE helical bellows production technology and its production line

Country Status (1)

Country Link
CN (1) CN107825731B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109367043A (en) * 2018-11-23 2019-02-22 乐昌市联丰科技有限公司 A kind of internal-rib enhancing two-component helical bellows production equipment
CN111102404A (en) * 2020-01-09 2020-05-05 佛山市领塑科技有限公司 Single-winding high-rib corrugated pipe and production process thereof
CN111497270A (en) * 2020-04-27 2020-08-07 东莞市牛发塑胶五金有限公司 Plastic-coated metal strip production line
CN113246427A (en) * 2021-05-14 2021-08-13 江苏盛东环保科技有限公司 Corrugated pipe machining process
CN113334813A (en) * 2021-05-11 2021-09-03 江苏盛东环保科技有限公司 Bellows processing lines
CN114393803A (en) * 2022-01-14 2022-04-26 四川兰晨管业有限公司 Steel strip corrugated pipe production line and production process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287595A (en) * 2011-08-23 2011-12-21 深圳金鸿机械制造有限公司 Pipe material, strip material and set production device for reinforced thermoplastic composite structure wall pipe
CN103317729A (en) * 2012-03-23 2013-09-25 青岛福润德塑料挤出技术有限公司 Manufacturing method for online flaring continuously winding thermoforming spiral corrugated pipes
CN106182841A (en) * 2016-07-15 2016-12-07 王庆昭 A kind of fiberglass reinforced band polyethylene compound pipe continuous production device and method
CN205781453U (en) * 2016-01-27 2016-12-07 潘小雄 HDPE internal-rib PP strengthens helical bellows

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287595A (en) * 2011-08-23 2011-12-21 深圳金鸿机械制造有限公司 Pipe material, strip material and set production device for reinforced thermoplastic composite structure wall pipe
CN103317729A (en) * 2012-03-23 2013-09-25 青岛福润德塑料挤出技术有限公司 Manufacturing method for online flaring continuously winding thermoforming spiral corrugated pipes
CN205781453U (en) * 2016-01-27 2016-12-07 潘小雄 HDPE internal-rib PP strengthens helical bellows
CN106182841A (en) * 2016-07-15 2016-12-07 王庆昭 A kind of fiberglass reinforced band polyethylene compound pipe continuous production device and method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109367043A (en) * 2018-11-23 2019-02-22 乐昌市联丰科技有限公司 A kind of internal-rib enhancing two-component helical bellows production equipment
CN111102404A (en) * 2020-01-09 2020-05-05 佛山市领塑科技有限公司 Single-winding high-rib corrugated pipe and production process thereof
CN111497270A (en) * 2020-04-27 2020-08-07 东莞市牛发塑胶五金有限公司 Plastic-coated metal strip production line
CN113334813A (en) * 2021-05-11 2021-09-03 江苏盛东环保科技有限公司 Bellows processing lines
CN113246427A (en) * 2021-05-14 2021-08-13 江苏盛东环保科技有限公司 Corrugated pipe machining process
CN114393803A (en) * 2022-01-14 2022-04-26 四川兰晨管业有限公司 Steel strip corrugated pipe production line and production process
CN114393803B (en) * 2022-01-14 2024-02-09 四川兰晨管业有限公司 Steel band corrugated pipe production line and production process

Also Published As

Publication number Publication date
CN107825731B (en) 2019-08-09

Similar Documents

Publication Publication Date Title
CN107825731A (en) A kind of PP skeletons enhancing PE helical bellowses production technology and its production line
CN102107234A (en) Complete device of spiral corrugated steel pipe and method for producing spiral corrugated steel pipe
CN103867814A (en) Corrugated steel-plastic composite pipe formed by steel belts with holes or grooves in spiral winding and welding mode and production method
CN101234533B (en) Production equipment of paster type maze flow passage drip irrigation belt
CN105538678B (en) A kind of production equipment of winding pipe
CN102777710B (en) Multilayer steel compound belt material winding water input pipe, preparation method and device of pipe and steel compound belt material
CN102720942A (en) Steel belt material and method for manufacturing spiral drain pipe by using same
CN201676931U (en) Pressing machine in helical corrugated steel tube complete equipment
CN201040435Y (en) Five-position integrated heat composite device
CN201848489U (en) Complete equipment of spiral corrugated steel pipes
CN206951481U (en) Multifunctional medical tape coating machine
CN202812512U (en) Double-enhanced plastic composite water-supply-pipe and heterotype band for manufacturing double-enhanced plastic composite water-supply-pipe
CN206217254U (en) A kind of seamless type aluminium-plastic composite hose and its preparation facilities
CN106696322A (en) Tire first-section forming machine and tire forming device with same
CN201032005Y (en) Wire mesh reinforced plastic steel composite pipe and manufacture equipment thereof
CN203737765U (en) Coil pipe straightening device
CN101147929A (en) Composite stainless steel pipe coating equipment
CN106313645A (en) Seamless type aluminum plastic compound hose, and manufacturing device and manufacturing method thereof
CN204020079U (en) A kind of flat volume squash type paper square tube shaped device
CN202087735U (en) Steel wire preforming device for steel wire pipe winding machine
CN101830308A (en) Seamless aluminum-plastic coextrusion composite hose and manufacturing method thereof
CN203295897U (en) Single-sided corrugating machine
CN207977392U (en) A kind of lug reinforcing rib shaping jig
CN202319216U (en) Water-proof roll compounding equipment
CN207594484U (en) A kind of stripping off device of PE protective films

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant