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 PDFInfo
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Diaphragms And Bellows (AREA)
- Extrusion Moulding Of Plastics Or The Like (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
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).
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 (7)
| 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 |
| CN113719674A (en) * | 2021-08-25 | 2021-11-30 | 佛山市三水世通管材有限公司 | HDPE plastic steel reinforced PP framework winding pipe and production process thereof |
| 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)
| 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 |
-
2017
- 2017-10-13 CN CN201710952494.7A patent/CN107825731B/en active Active
Patent Citations (4)
| 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 (8)
| 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 |
| CN113719674A (en) * | 2021-08-25 | 2021-11-30 | 佛山市三水世通管材有限公司 | HDPE plastic steel reinforced PP framework winding pipe and production process thereof |
| 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 | |
| CN102003577A (en) | Method for producing spiral reinforcing rib composite pipe | |
| 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 | |
| CN206689347U (en) | A kind of efficient former with spiral wire flexible pipe | |
| 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 | |
| CN101830308A (en) | Seamless aluminum-plastic coextrusion composite hose and manufacturing method thereof | |
| CN206217254U (en) | A kind of seamless type aluminium-plastic composite hose and its preparation facilities | |
| CN209141482U (en) | A kind of internal-rib enhancing two-component helical bellows production equipment | |
| CN201032005Y (en) | Wire mesh reinforced plastic steel composite pipe and manufacture equipment thereof | |
| CN101147929A (en) | Composite stainless steel pipe coating equipment | |
| CN204020079U (en) | A kind of flat volume squash type paper square tube shaped device | |
| CN104100779A (en) | Hole mesh steel belt plastic composite pipe with five-layered composite structure and manufacturing method thereof | |
| CN103406411A (en) | Combined type roller mold and water stopping copper strip forming machine | |
| CN202087735U (en) | Steel wire preforming device for steel wire pipe winding machine | |
| CN203295897U (en) | Single-sided corrugating machine | |
| CN202319216U (en) | Water-proof roll compounding equipment | |
| CN207594484U (en) | A kind of stripping off device of PE protective films | |
| CN201950099U (en) | Flat tube processor for heat exchanger |
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 |