CN101797801A - Production equipment for high-strength big-diameter plastic winding structure wall pipe material - Google Patents
Production equipment for high-strength big-diameter plastic winding structure wall pipe material Download PDFInfo
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- CN101797801A CN101797801A CN201010000058A CN201010000058A CN101797801A CN 101797801 A CN101797801 A CN 101797801A CN 201010000058 A CN201010000058 A CN 201010000058A CN 201010000058 A CN201010000058 A CN 201010000058A CN 101797801 A CN101797801 A CN 101797801A
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Abstract
The invention provides production equipment for a high-strength big-diameter plastic winding structure wall pipe material, wherein a front extrusion device is connected with a front heating device through a sizing case and a cooling water tank; and the front heating device is connected with a winding adhesion molding device. Through measures of alternating and adjusting the amount, the installation position and the nose type of different extruders, setting the reinforcing material addition device and the like, the production aim of flexible collinear production of products of different types can be achieved, and the product quality is excellent.
Description
Technical field
The present invention relates to a kind of plastic pipe production equipment, is a kind of production equipment of high-strength big-diameter plastic winding structure wall pipe material specifically.
Background technology
Plastic pipe is because the advantage of self has obtained the increasingly extensive application of society.But plastics are because the restriction of self intensity, and during bigbore tubing, not only production cost significantly increases extrusion equipment of traditional heating plasticizing, and has greatly increased technical difficulty more than producing 700mm.
There are some to produce the production equipment of heavy caliber pipe in the market, though can solve the heavy caliber problem to a certain extent, but because the restriction of its production technology, equipment, for the industry that specific (special) requirements is arranged, for example: colliery, coal dust, chemical industry etc., can't take into account heavy caliber and high-intensity requirement, can't realize the processing that the specific properties to tubing requires especially, for example:, make it in the popularization in market, be subjected to considerable restraint to requirement such as tubing is fire-retardant, antistatic.
Summary of the invention
The present invention is primarily aimed at above-mentioned technical bottleneck, breaks through above-mentioned restriction, proposes a kind of production equipment of high-strength big-diameter winding structure wall pipe.This equipment can be taken into account special dimension well to tubing heavy caliber and high-intensity requirement, can meet the requirement of special dimension again to the tubing attribute, and because it has adopted new processing technology and equipment, tubing rice heavily be reduced to traditional piping material rice heavy about 50%, production cost is descended more than 40%, and it is remarkable to improve the effect of tubing intensity 40% above energy-saving and emission-reduction.
The present invention is achieved through the following technical solutions: a kind of production equipment of high-strength big-diameter plastic winding structure wall pipe material, comprise preceding extrusion device, sizing case, cooling water tank, preceding heater and twine adhesion-molded device that described preceding extrusion device is connected successively through sizing case, cooling water tank, preceding heater and the adhesion-molded device of winding.
The technical measures that the present invention further takes are:
Above-mentioned production equipment, wherein, the adhesion-molded device of described winding comprises casing, winding deep bid, winding roller, post heating device, back extrusion device, pressure roller, shower water cooling device, reductor, reductor chain, cutting machine, production tube bracing frame; Described winding deep bid is installed on the casing, and winding roller is installed in and twines on the deep bid, and the back extrusion device is installed above the winding deep bid; Post heating device is at least one heating gun, and heating gun is positioned at preceding 50 cm range of head of back extrusion device; Pressure roller is equipped with in positive back at back extrusion device head; Be equiped with the shower water cooling device under the pressure roller; Reductor and motor link, and the chain of reductor connects winding roller and drives the winding roller rotation; Be provided with cutting machine and production tube bracing frame in the lateral attitude of winding roller.
Above-mentioned production equipment, wherein, described preceding extrusion device is the one-level extrusion device, back extrusion device also is the one-level extrusion device; The extruder of back extrusion device is a twoport mould head, and preceding die orifice is a column, and back die orifice is banded.
Above-mentioned production equipment, wherein, described preceding extrusion device is the one-level extrusion device, back extrusion device is the two-stage extrusion device; The die orifice of the first order extruder of back extrusion device is a column, and the die orifice of second level extruder is banded.
Above-mentioned production equipment, wherein, described preceding extrusion device is the two-stage extrusion device, back extrusion device is the one-level extrusion device; The head of the second level extruder of preceding extrusion device is a composite die, and this second level extruder is arranged at the die head of first order extruder mould between the outlet of sizing case, perhaps is arranged between the back extrusion device head of being exported to of cooler bin; This composite die is local or all coat the extrusion profile that first order extruder is extruded, and the extrusion channel of this composite die is linked to each other with the part or the whole of lateral surface of the lateral surface of the extrusion channel of first order extruder mould; The extruder of back extrusion device is a twoport mould head, and preceding die orifice is a column, and back die orifice is banded.
Above-mentioned production equipment, wherein, described preceding extrusion device is the two-stage extrusion device, back extrusion device is the two-stage extrusion device; This extruder is arranged at the die head of first order extruder mould between the outlet of sizing case, perhaps is arranged between the back extrusion device head of being exported to of cooler bin; This composite die is local or all coat the extrusion profile that first order extruder is extruded, and the extrusion channel of this composite die is linked to each other with the part or the whole of lateral surface of the lateral surface of the extrusion channel of first order extruder mould; The first order extruder die orifice of back extrusion device is a column, and second level extruder die orifice is banded.
Above-mentioned production equipment, wherein, described preceding heater is cartridge type or box heater.
Above-mentioned production equipment, wherein, the top of described casing is provided with reinforcing material and adds set composite.
Above-mentioned production equipment, wherein, reinforcing material adds set composite and comprises feeding device, take-up device, machine straightening device, enhancing composite die four parts composition; Described feeding device, take-up device, machine straightening device and enhancing composite die are linked in sequence successively.
Operation principle:
The extruder of extrusion device was extruded circle, rectangle, parallelogram or irregular melting charge before the present invention utilized, by forming circle, rectangle, parallelogram or erose winding section behind the sizing case sizing, winding section is again by the cooling water tank cooling and shaping again; Winding section behind the cooling and shaping makes the section bar melt surface by preceding heater; Actuating motor also drives reductor, driving winding roller by the reductor chain rotates, the winding section of melt surface is wound on the winding roller that twines in the adhesion-molded district, in twining adhesion-molded device district, utilize column hot melt adhesive resin and the banded thermoplastic resin that the back extrusion device extrudes at the same time or contain the resin of reinforcing material or have special fire-retardant, the resin of performance such as antistatic, and in the sidewall heating of post heating device (embodiment employing heating gun) to winding section, column resin and banded resin put in the gap between the winding section sidewall respectively and the top in slit between the winding section sidewall, under the pressure roll extrusion of pressure roller, form the clean and tidy level and smooth winding structure wall pipe outer surface that has enhancing or specific properties, then by continuous spray water system, make the tubing cooling and shaping, solidify stable, like this, winding section constantly twines along the hand of spiral, bonding, cooling, solidify to form a kind of high-strength big-diameter winding structure wall pipe.
Simultaneously, also the thermoplastic resin that can extrude by composite die with the second level extruder of preceding extrusion device or the resin compounded that contains the resin of reinforcing material or have a special performance such as fire-retardant, antistatic in the local of first order extruder extrusion profile or melting charge or all outer surfaces be combined into one and form winding section, the die head of the first order extruder mould of extrusion device perhaps was arranged between the back extrusion device head of being exported to of cooler bin between the outlet of sizing case before this spot can be arranged on; Form the internal surface of pipe that has enhancing or specific properties through twining bonding this composite bed.
In addition, also can extrude the place and add the set composite composite reinforcing material by reinforcing material in the band shape of back extrusion device, reinforcing material can be various fortifying fibres, fleece, steel wire, steel wire, steel band etc., this reinforcing material is that the banded resin compounded of extruding together by banded extruder head is an one, the top, gap that puts between the winding section sidewall forms the pipe outer surface that has reinforcing material through the roll extrusion of pressure roller pressure, and the whole compressive strength of tubing is strengthened greatly.
What deserves to be explained is: current extrusion device is an one-level when extruding, and this extrusion profile is a winding section; Current extrusion device is a secondary when extruding, and the compound that extrude the first order extrusion profile and the second level is a winding section.
Production equipment of the present invention compared with prior art, has following beneficial effect:
1, this production equipment can be produced heavy caliber pipe, can guarantee the high strength of tubing simultaneously well;
2, satisfying under tubing high strength, the bigbore situation, can realize the specific properties requirement of special dimension at an easy rate tubing;
3, the disposable tubing that satisfies various attribute specifications of producing of energy has been exempted processing once more or repeatedly of tubing, has reduced manufacturing procedure, effectively reduces the social labor average time;
4, adopt production equipment of the present invention, make tubing rice heavily be reduced to traditional piping material rice heavy about 50%, production cost is descended more than 40%, and can improve tubing intensity more than 40%, the effect of energy-saving and emission-reduction is remarkable.
Description of drawings
Fig. 1 is the structural representation of production equipment embodiment one of the present invention;
Fig. 2 is the structural representation of the embodiment two of production equipment of the present invention;
Fig. 3 is the structural representation of the embodiment three of production equipment of the present invention;
Fig. 4 is the position view of second level extruder of the preceding extrusion device of production equipment of the present invention;
Fig. 5 is the structure for amplifying schematic diagram of B portion composite die among Fig. 4;
Fig. 6 is the structure for amplifying schematic diagram of C portion composite die among Fig. 4;
Fig. 7 is the structural representation of the embodiment four of production equipment of the present invention;
Fig. 8, the 9th, two kinds of structural representations of the embodiment five of production equipment of the present invention;
Figure 10 is the structural representation of the compound adding set of reinforcing material among Fig. 8,9.
Mark among the figure:
1, sizing case, 2, cooling water tank, 3, cartridge type or box heater, 4, casing,
5, twine deep bid, 6, heating gun, 7, pressure roller, 8, the shower water cooling device,
9, reductor, 10, the reductor chain, 11, winding roller 12, bracing frame,
13, cutting machine, 14, the compound adding set of reinforcing material, 15, feeding device
16, take-up device, 17, machine straightening device, 18, strengthen composite die
A, twoport mould head, die orifice before A1, the twoport mould head, die orifice behind A2, the twoport mould head,
I, preceding extrusion device, II, preceding heater, twine adhesion-molded device at III,
111, the first order extruder of preceding extrusion device, 112, the second level extruder of preceding extrusion device,
121, the back extrusion device extruder, 122, the back extrusion device first order extruder,
123, the second level extruder of back extrusion device,
Among the figure ← expression logistics direction.
The specific embodiment
The present invention is further elaborated below in conjunction with drawings and Examples.
Embodiment one:
Fig. 1 is the structural representation of production equipment embodiment one of the present invention.
Referring to Fig. 1, a kind of production equipment of high-strength big-diameter plastic winding structure wall pipe material, the extruder 111 before comprising among the extrusion device I (in the present embodiment only one-level extruder) for this reason, sizing case 1, cooling water tank 2, preceding heating device II and twine adhesion-molded device III; The extruder 111 of preceding extrusion device is linked in sequence with preceding heating device II by sizing case 1 and cooling water tank 2, and preceding heating device II is connected with the adhesion-molded device III of winding.Preceding heating device II is cartridge type or box heater.
Twine extruder 121, production tube bracing frame 12, cutting machine 13 that adhesion-molded device III comprises casing 4, winding deep bid 5, post heating device 6, pressure roller 7, shower water cooling device 8, reductor 9, reductor chain 10, winding roller 11, back extrusion device; Described winding deep bid 5 is installed on the casing 4; Twine that to have with the center on the deep bid 5 be the concentric circle holes that the internal diameter of round dot does not wait, winding roller 11 is installed on the circular hole, (reductor 9 links with motor winding roller 11 by reductor 9, its power is from motor, for fear of loaded down with trivial details and not shown in the drawings) reductor chain 10 drive and rotate, can realize the production of different size tubing by changing position that winding roller 11 installs.
The twoport mould head A of the extruder of back extrusion device in the present embodiment, its preceding die orifice A1 is a column, back die orifice A2 is banded.Preceding die orifice A1 extrudes column hot melt section bar, and the bonding section bar of this column puts between the two adjacent square winding section sidewalls, makes winding section be bonded as one; Back die orifice A2 extrudes banded hot melt section bar, and this band shape section bar puts on top, slit, square winding section two side, and should implement roll extrusion by the band shape section bar by 7 pairs of pressure rollers, forms bright and clean level and smooth pipe outer surface.
Present embodiment is by an advantage with extruder 121 of twoport die head, when tubing is not had the specific properties requirement, under the situation that does not influence bonding effect, the production equipment compact conformation, can save production space and equipment and drop into expense, effectively reduce the hardware input cost.
Embodiment two:
Fig. 2 is the structural representation of production equipment embodiment two of the present invention.
Embodiment two is with the difference of embodiment one: the back extrusion device adopts two-stage to extrude, promptly be provided with first order extruder 122 and second level extruder 123, wherein first order extruder 122 is for having the extruder of column die head, and second level extruder 123 is for having the extruder of banded die head.
The advantage of replacing extruder 121 with first order extruder 122 and second level extruder 123 is, when tubing has the specific properties of special industry to require, for example: to the requirement of the antistatic grade of tubing, can extrude the bonding section bar of column with first order extruder 122, the bonding section bar of this column puts between the two adjacent square winding section sidewalls, makes winding section be bonded as one; Extrude banded section bar with antistatic property with second level extruder 123, this band shape section bar puts on top, slit, square winding section two side, and should implement roll extrusion by the band shape section bar by 7 pairs of pressure rollers, forms bright and clean pipe outer surface smoothly with antistatic property.
Embodiment three:
Fig. 3,4,5, the 6th, the structural representation of production equipment embodiment three of the present invention.
Referring to Fig. 3, embodiment three is with the difference of embodiment one: preceding extrusion device adopts two-stage to extrude, and promptly is provided with first order extruder 111 and second level extruder 112.
Referring to Fig. 4, the head of the second level extruder 112 of preceding extrusion device is that composite die is (shown in B portion or C portion, to further specify it below), the extrusion die that the head of the second level extruder 112 of preceding extrusion device can be arranged at first order extruder 111 perhaps is arranged at the optional position between back extrusion device 121 heads of being exported to of heating cabinet 3 to the optional position between the outlet of sizing case 1; This composite die is local or all coat melting charge or the section bar extexine formation winding section that first order extruder 111 is extruded, and twines the inner surface that is bonded into structure-wall pipe material by twining adhesion-molded device III again.
Adopt different mark 112-1,112-2,112-3,112-4,112-5 to show the different installation site of second level extruder 112 for example among Fig. 4, B portion enlarged drawing is the second level extruder 112 of preceding extrusion device I and the structural representation of above-mentioned 112-1 position composite die; C portion enlarged drawing is the second level extruder 112 and above-mentioned other position of removing the 112-1 position, for example compound structural representations such as 112-2,112-3,112-4,112-5 of preceding extrusion device I.
Referring to Fig. 5, B portion enlarged drawing, when the melting charge that first order extruder is extruded confluxes by die cavity, the coat extruded stock dwindles place's runner at die head and links to each other with the part or the whole of lateral surface of the lateral surface of the extrusion channel of first order extruder mould, realizes the local or all coatings of lateral surface of the melting charge that first order extruder is extruded;
Referring to Fig. 6, C portion enlarged drawing, when the extrusion profile of first order extruder passes through composite die, second level extruder 112 is extruded the coat extruded stock of fusion simultaneously, and compound effectively at the mold cavity amplifier section be one, by changing being connected of coat extruded stock runner and mould amplifier section, can realize part or all coatings.
The advantage that preceding extrusion device increases secondary extruder 112 is, can realize internal surface of pipe plastics attribute easily, and is for example antistatic, wear-resisting etc., satisfies the requirement of tubing property.
Embodiment four:
Fig. 7 is the structural representation of production equipment embodiment four of the present invention.
Present embodiment four is embodiment two and the combining of embodiment three, promptly on the basis of embodiment two, its preceding extrusion device is replaced with the preceding extrusion device of embodiment three: preceding extrusion device I is provided with first order extruder 111 and second level extruder 112, and other concrete structure repeats no more.
Embodiment five:
Fig. 8, the 9th, two kinds of structural representations of production equipment embodiment five of the present invention.
Present embodiment five is on the basis of the foregoing description 1 to 4, is provided with reinforcing material on the top of the casing 4 that twines adhesion-molded device III part and adds set composite 14.At above-mentioned Fig. 8,9, and the difference of extruder quantity (being progression) of back extrusion device among the embodiment two, four, in Fig. 8,9, show two kinds of embodiments respectively.
Referring to Figure 10, reinforcing material adds set composite 14 and comprises that feeding device 15, take-up device 16, machine straightening device 17 strengthen composite die 18 4 parts and form; Described feeding device 15, take-up device 16, machine straightening device 17 and enhancing composite die 18 are linked in sequence successively.
Add set composite 14 by this reinforcing material, can be at the banded section bar place that the extruder 121 or 123 of back extrusion device is extruded, by strengthening composite die 18 with in the compound forward (FWD) shape of the reinforcing material section bar, for example: fortifying fibre, glass fibre, steel wire, fleece, steel wire etc., under the pressure roll extrusion of covering pressure and pressure roller 7 of banded section bar, be combined as a whole with winding section and form the tubing wall, can strengthen the anti-pressure ability of tubing thus greatly.
The various embodiments described above are implemented at the process requirements of different tubing, the production equipment of high-strength big-diameter plastic winding structure wall pipe material provided by the invention, by conversion, adjust quantity, installation site, the head type of different extruders, and reinforcing material is set adds set composite, extruders at different levels can feed the measures such as resin of dissimilar or attribute, can reach the flexibility conllinear and produce the production purpose of dissimilar products, and the product quality excellence.
For example: the first order extruder of preceding extrusion device is extruded and is contained that the short fiber modification strengthens, the section bar of fire-retardant plastic matrix, and second level extruder is extruded section bar that contains fire-retardant, antistatic master batch and the bottom that is coated on first order extrusion profile; The first order extruder of back extrusion device is extruded the section bar that contains fire-retardant plastic matrix, second level extruder is extruded and is contained section bar fire-retardant, antistatic master batch, the winding structure wall pipe that this combinations produce goes out promptly is the mining pump drainage gas pipe that intensity is far longer than mining safety standard.
Claims (9)
1. the production equipment of a high-strength big-diameter plastic winding structure wall pipe material is characterized in that:
Comprise preceding extrusion device, sizing case, cooling water tank, preceding heater, reach and twine adhesion-molded device;
Extrusion device is connected successively through sizing case, cooling water tank, preceding heater and the adhesion-molded device of winding before described.
2. according to the described production equipment of claim 1, it is characterized in that:
The adhesion-molded device of described winding comprises casing, winding deep bid, winding roller, post heating device, back extrusion device, pressure roller, shower water cooling device, reductor, reductor chain, cutting machine, production tube bracing frame;
Described winding deep bid is installed on the casing, and winding roller is installed in and twines on the deep bid, and the back extrusion device is installed above the winding deep bid;
Post heating device is at least one heating gun, and heating gun is positioned at preceding 50 cm range of head of back extrusion device;
Pressure roller is equipped with in positive back at back extrusion device head;
Under pressure roller, be equiped with the shower water cooling device;
Reductor and motor link, and the chain of reductor connects winding roller and drives the winding roller rotation;
Be provided with cutting machine and production tube bracing frame in the lateral attitude of winding roller.
3. according to the described production equipment of claim 2, it is characterized in that:
Extrusion device is the one-level extrusion device before described, and back extrusion device also is the one-level extrusion device;
The extruder of back extrusion device is a twoport mould head, and preceding die orifice is a column, and back die orifice is banded.
4. according to the described production equipment of claim 2, it is characterized in that:
Extrusion device is the one-level extrusion device before described, and back extrusion device is the two-stage extrusion device;
The die orifice of the first order extruder of back extrusion device is a column, and the die orifice of second level extruder is banded.
5. according to the described production equipment of claim 2, it is characterized in that:
Extrusion device is the two-stage extrusion device before described, and back extrusion device is the one-level extrusion device;
The head of the second level extruder of preceding extrusion device is a composite die, and this second level extruder is arranged at the die head of first order extruder mould between the outlet of sizing case, perhaps is arranged between the back extrusion device head of being exported to of cooler bin;
This composite die is local or all coat the extrusion profile that first order extruder is extruded, and the extrusion channel of this composite die is linked to each other with the part or the whole of lateral surface of the lateral surface of the extrusion channel of first order extruder mould;
The extruder of back extrusion device is a twoport mould head, and preceding die orifice is a column, and back die orifice is banded.
6. according to the described production equipment of claim 2, it is characterized in that:
Extrusion device is the two-stage extrusion device before described, and back extrusion device is the two-stage extrusion device;
The head of the second level extruder of preceding extrusion device is a composite die, and this extruder is arranged at the die head of first order extruder mould between the outlet of sizing case, perhaps is arranged between the back extrusion device head of being exported to of cooler bin;
This composite die is local or all coat the extrusion profile that first order extruder is extruded, and the extrusion channel of this composite die is linked to each other with the part or the whole of lateral surface of the lateral surface of the extrusion channel of first order extruder mould;
The first order extruder die orifice of back extrusion device is a column, and second level extruder die orifice is banded.
7. according to arbitrary described production equipment in the claim 1 to 6, it is characterized in that:
Heater is cartridge type or box heater before described.
8. according to the described production equipment of claim 7, it is characterized in that:
The top of described casing is provided with reinforcing material and adds set composite.
9. according to the described production equipment of claim 8, it is characterized in that:
Reinforcing material adds set composite and comprises feeding device, take-up device, machine straightening device, enhancing composite die four parts composition; Described feeding device, take-up device, machine straightening device and enhancing composite die are linked in sequence successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000058A CN101797801A (en) | 2010-01-06 | 2010-01-06 | Production equipment for high-strength big-diameter plastic winding structure wall pipe material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000058A CN101797801A (en) | 2010-01-06 | 2010-01-06 | Production equipment for high-strength big-diameter plastic winding structure wall pipe material |
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| Publication Number | Publication Date |
|---|---|
| CN101797801A true CN101797801A (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010000058A Pending CN101797801A (en) | 2010-01-06 | 2010-01-06 | Production equipment for high-strength big-diameter plastic winding structure wall pipe material |
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| CN (1) | CN101797801A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011897A (en) * | 2010-12-11 | 2011-04-13 | 江苏金波新材料科技有限公司 | Fiber reinforced pipe for mine and production method thereof |
| CN103753749A (en) * | 2014-02-11 | 2014-04-30 | 谢志树 | Method and equipment for manufacturing large-diameter HDPE (High-Density Polyethylene) pipe |
| CN103950170A (en) * | 2014-05-07 | 2014-07-30 | 张家港市维达纺织机械有限公司 | Continuous production device of three-layer plastic-coated metal pipes |
| CN106426896A (en) * | 2016-10-28 | 2017-02-22 | 陈鹤忠 | Winding pipe production line |
| CN110091488A (en) * | 2019-06-11 | 2019-08-06 | 江阴市黄丹净化设备有限公司 | Molding equipment for multiple plastic section bar |
| CN110978474A (en) * | 2020-02-28 | 2020-04-10 | 潍坊东方钢管有限公司 | Plastic forming profiling synchronous winding device for bell and spigot pipe |
| CN111823556A (en) * | 2020-06-12 | 2020-10-27 | 盐城支点机械制造有限公司 | Valve capable of being precisely adjusted |
| CN113002033A (en) * | 2021-03-10 | 2021-06-22 | 海宁亚大塑料管道系统有限公司 | Compression-resistant winding pipe and production device and process thereof |
| CN113021853A (en) * | 2021-03-24 | 2021-06-25 | 哈尔滨复合材料设备开发有限公司 | Winding device and winding method for producing fiber composite material endless chain |
| CN115071018A (en) * | 2022-05-18 | 2022-09-20 | 安徽杰蓝特新材料有限公司 | Automatic change carat pipe production facility |
| CN115157605A (en) * | 2021-04-07 | 2022-10-11 | 国家能源投资集团有限责任公司 | Method and equipment for manufacturing non-metal roller barrel |
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2010
- 2010-01-06 CN CN201010000058A patent/CN101797801A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011897A (en) * | 2010-12-11 | 2011-04-13 | 江苏金波新材料科技有限公司 | Fiber reinforced pipe for mine and production method thereof |
| CN103753749A (en) * | 2014-02-11 | 2014-04-30 | 谢志树 | Method and equipment for manufacturing large-diameter HDPE (High-Density Polyethylene) pipe |
| CN103753749B (en) * | 2014-02-11 | 2016-08-17 | 谢志树 | The manufacture method of a kind of heavy caliber HDPE pipe and equipment thereof |
| CN103950170A (en) * | 2014-05-07 | 2014-07-30 | 张家港市维达纺织机械有限公司 | Continuous production device of three-layer plastic-coated metal pipes |
| CN103950170B (en) * | 2014-05-07 | 2016-03-02 | 江苏薪泽奇机械股份有限公司 | A kind of three layers cover the continuous producing apparatus moulding metal tube |
| CN106426896A (en) * | 2016-10-28 | 2017-02-22 | 陈鹤忠 | Winding pipe production line |
| CN110091488A (en) * | 2019-06-11 | 2019-08-06 | 江阴市黄丹净化设备有限公司 | Molding equipment for multiple plastic section bar |
| CN110978474A (en) * | 2020-02-28 | 2020-04-10 | 潍坊东方钢管有限公司 | Plastic forming profiling synchronous winding device for bell and spigot pipe |
| CN111823556A (en) * | 2020-06-12 | 2020-10-27 | 盐城支点机械制造有限公司 | Valve capable of being precisely adjusted |
| CN111823556B (en) * | 2020-06-12 | 2021-11-19 | 盐城支点机械制造有限公司 | Valve capable of being precisely adjusted |
| CN113002033A (en) * | 2021-03-10 | 2021-06-22 | 海宁亚大塑料管道系统有限公司 | Compression-resistant winding pipe and production device and process thereof |
| CN113021853A (en) * | 2021-03-24 | 2021-06-25 | 哈尔滨复合材料设备开发有限公司 | Winding device and winding method for producing fiber composite material endless chain |
| CN113021853B (en) * | 2021-03-24 | 2022-09-02 | 哈尔滨复合材料设备开发有限公司 | Winding device and winding method for producing fiber composite material endless chain |
| CN115157605A (en) * | 2021-04-07 | 2022-10-11 | 国家能源投资集团有限责任公司 | Method and equipment for manufacturing non-metal roller barrel |
| CN115071018A (en) * | 2022-05-18 | 2022-09-20 | 安徽杰蓝特新材料有限公司 | Automatic change carat pipe production facility |
| CN115071018B (en) * | 2022-05-18 | 2023-12-26 | 安徽杰蓝特新材料有限公司 | Automatic change cla pipe production facility |
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Application publication date: 20100811 |