CN1663778A - Steel plastic compounding machine and compounding technology - Google Patents
Steel plastic compounding machine and compounding technology Download PDFInfo
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- CN1663778A CN1663778A CN 200410081607 CN200410081607A CN1663778A CN 1663778 A CN1663778 A CN 1663778A CN 200410081607 CN200410081607 CN 200410081607 CN 200410081607 A CN200410081607 A CN 200410081607A CN 1663778 A CN1663778 A CN 1663778A
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Abstract
The invention discloses the equipment specially manufacturing the steel plastic tube, which is the steel plastic compound machine. The compound technique adopts the steam compound technology, the water-temperature compound technology, the hydraulic pushing piston or movable ring mending and testing technology, the hydraulic cooling and finalizing technology. The steam compound technology is: adjust the right and the left machine heads 1, clap and seal the steel tube 30 and the plastic tube 29; input the steam from the right machine head to the compound heating chamber 27; intenerate the plastic tube 29 using the steam temperature; adhere to the steel tube 30; input the pressure water from the left machine head to test the piston 10 and the movable ring 7 to repair and test the plastic 29 inflated or deflated. Cool and finalize the plastic tube 29 to form it into the steel plastic tube. The water-temperature compound method is as the same as the steam compound method.
Description
Technical field the present invention is the novel device that a kind of special production steel is moulded pipe: steel is moulded the pipe compounding machine.The steel that this machine is produced is moulded pipe and will be widely adopted in modern construction, underground pipe network engineering especially, as: water supply, draining, air feed, threading, conveying poisonous and harmful liquids and gases etc.
Background technology the present invention derives from Chengdu traffic police's city road signal lamp and builds construction work, and this project is when pre-buried underground penetration pipe, and the plastic tube with 1 root 75mm penetrates in the steel pipe of 100mm earlier, and then steel pipe is imbedded underground.Though the intensity of steel pipe has been protected plastic tube, the slit between steel pipe and plastic tube is very big, and the surface water can permeate and accumulate wherein, reduces the insulating properties of plastic tube and cable, impels the steel pipe corrosion.If the replacing steel pipe, whole pipeline all must be scrapped.
If steel pipe and plastic tube are integrated, become steel and mould pipe, its price it seems high slightly a bit in advance, but it can improve the service property (quality) of pipeline, being multiplied, service life of pipeline, (plastic tube was difficult to degraded in water and soil, erosion resistance is extremely strong, waits the mashed back of plastic tube steel pipe just to get rusty, minimum 20 years of time), reduce the maintenance engineering amount of pipeline, reduce the maintenance cost of pipeline, the also not normal use of interrupt pipe, thereafter calculate, the price that steel is moulded pipe is minimum.For this reason, inventor's special investigation the whole steel and the building materials market in Chengdu, also do not have steel to mould barrel bolt so far and sell; Simultaneously visited many building sites again, the pipeline that they laid and installed is steel pipe and plastic tube entirely, and low pressure has been used the plastic-aluminum pipe sometimes, moulds pipe with regard to unused steel.Thereby sprouted the research of steel being moulded the pipe compounding machine, and directly compound with steel pipe and plastic tube be problem.
Under study for action, the key technology that solve is:
1. how to make plastic tube softening?
2. how to make the plastic tube moulding?
3. how the moulding deviation of plastic tube is repaired and is detected?
4. how to the plastic tube typing after detecting?
By exploration, and quoted:
1. the workman is with the bent plastic tube of fiery curved and put into the principle of water cooling and shaping.
2. doughnut aerating, air pressure swell the inner tube of a tyre and are close to the principle of cover tire.
3. the pressure cooker principle that is rapidly heated and boosts ...
Through experiment, found best solution:
1. plastic tube softens meeting appearance jaundice zoom phenomenon with fiery roasting heating with electric heating coil, and with poach and decatize, no matter how many times is all as before pure white, can not change the function of plastics.
2. will swell, dwindle after softening need applied external force for plastic tube, and the existing temperature of steam has pressure, just in time meets the demands.
3. plastic tube the mistake garden occurred in softening moulding, during dimensional discrepancy, selected for use mechanical piston under the promotion of press water, extruding finishing by force.Simultaneously piston is processed into standard size, piston passes through, and illustrates that the plastic tube after compound has reached requirement.
4. use press water to being subjected to thermoforming and by the cooling and shaping that pressurizes of the plastic tube after detecting, effect is good especially.
Therefore, the inventor has invented this steel and has moulded the pipe compounding machine, is called for short compounding machine.
Cover machine and sleeve mechanism were two kinds in this compounding machine of summary of the invention divided.Interior cover machine is at the compound one deck plastics of the inner surface of steel pipe, and sleeve mechanism is at the compound one deck plastics of the outer surface of steel pipe.This compounding machine simple in structure, combination is compact, easy to manufacture, investment seldom, operate also very easy.
This compounding machine has structurally adopted multinomial technical measures:
1. parts current techique, in compounding machine, no matter be interior cover machine, or sleeve mechanism, except that head, remaining part is general, has saved material, has reduced expense.
2. bulk-breaking package technique, this compounding machine is assembled by a plurality of split parts, and is for convenience detach, maintenance and changing.
3. an interior cover machine and sleeve mechanism handpiece structure changes technology, makes simply, and it is convenient to change.
4. the steel of compound different tube diameters is moulded a pipe head and head cover change in size technology, easily processing, and expense is low.
5. utilize the water temperature compound tense, electric heater has adopted the high pressure warming pressure build-up technique, and speed is fast.
6. steel pipe and plastic tube have been adopted central plug, centering plug, center ring centering technology, accurately quick.
7. fixedly steel pipe and plastic tube have adopted double helix boosting-rod regulation technology, and be simple, quick.
8. utilize steel pipe supporting frame, prevent tube bending, adjust steel pipe and the concentric technology of head, safe and reliable.
This compounding machine has also adopted new technologies and methods on combination process:
1. compound steam technology.
2. water temperature complex technique.
3. press water promotes sizing piston or sizing shift(ing) ring finishing and the detection technique after to the plastic tube moulding.
4. press water cooling and shaping technology.
No matter adopted steam or water temperature complex technique, all be to utilize wetting temperature to make plastic tube softening, thereby guaranteed the function of plastics.Simultaneously, utilize the pressure of steam or water that plastic tube after softening is swollen by (interior cover) or dwindle (overcoat), and fit tightly with steel pipe.Then, on one side utilize press water to promote sizing again to detect piston (interior cover) or sizing and detect shift(ing) ring (overcoat) plastic tube after softening is repaired and detected; On one side again the plastic tube after detecting is carried out the pressure cooling and shaping, make its become no air gap not the steel of aliquation mould pipe.
Description of drawings Fig. 1 moulds the structure and the control piper figure of pipe compounding machine for steel.Among the figure: 1-head, 2-head cover, 3-support, 5-frame, 13-heating cylinder body, 16-tail, the compound usefulness of 30-steel pipe, 31-steel pipe supporting frame, 32-Pressure gauge, 33-steam valve, 34-safety valve, 35-non-return valve, 36-steam control valve, 37-transfer valve, 38-exhaust steam valve, 39-pressure water valve, 40-press water control valve, 41-draining valve, 42-articulation.
Fig. 2 moulds cover machine structure chart in the pipe compounding machine for steel.Among the figure: the 1-head, 2-head cover, the 3-support, the 4-inside race, the 6-rotating disk, 10-center/sizing detects piston, the 11-plug, the 12-spring, the 13-heating cylinder body, the 14-slide rail, the 15-slip ring, the 16-tail, the 17-electric heater, 18-spiral boosting-rod, the 19-power connection, 20-cylinder body sealing gasket, 21-electric heater sealing gasket, 22-steam/pressure water entrance, the 23-cylinder of heating, the 24-pressure gauge connection, 25-O type sealing ring, the compound compression chamber that heats of 27-, the compound plastic tube of using of 29-, the compound steel pipe of using of 30-.
Fig. 3 moulds pipe compounding machine sleeve mechanism structure chart for steel.Among the figure: the 1-head, 2-head cover, the 3-support, the 6-rotating disk, 7-center/sizing detects shift(ing) ring, the 8-plug of feeling relieved, the 9-center ring, the 11-plug, the 12-spring, the 13-heating cylinder body, the 14-slide rail, the 15-slip ring, the 16-tail, the 17-electric heater, 18-spiral boosting-rod, the 19-power connection, 20-cylinder body sealing gasket, 21-electric heater sealing gasket, 22-steam/pressure water entrance, the 23-cylinder of heating, the 24-pressure gauge connection, 25-shift(ing) ring sealing ring, 26-steel sleeve sealing ring, the compound compression chamber that heats of 27-, the 28-steel sleeve, the compound plastic tube of using of 29-, the compound steel pipe of using of 30-.
The embodiment steel is moulded the operation principle and the complex method (seeing Fig. 1 and Fig. 2) of cover machine in the pipe compounding machine
1. compound steam method
The compound steam method is:
(1) external diameter of plastic tube 29 should be than the internal diameter of steel pipe 30 little 1-3mm, the length of plastic tube is than the long 3.7cm of steel pipe.
(2) plastic tube 29 should clean totally with the binding face of steel pipe 30, also can apply glue in case of necessity.
(3) plastic tube 29 is penetrated in the steel pipe 30, carry on steel pipe supporting frame 31 together, and adjust the center of steel pipe 30 and two heads 1.
(4) choma and the central plug 10 that steel pipe 30 and plastic tube 29 aimed at two ends heads 1.
(5) rotate rotating disk 6, adjustable screw boosting-rod 18 makes two ends head 1 that steel pipe 30 and plastic tube 29 are compressed and seal.
(6) all valves in blinding off a line check whether safety valve 34 and Pressure gauge 32 be normal.
(7) vapor (steam) temperature is controlled at the softening range of plastic tube 29.
(8) open steam valve 33, slowly open steam control valve 36, steam is introduced the compound compression chamber 27 that heats of right head.
(9) utilize the temperature of steam to make plastic tube 29 softening, utilize the pressure of steam that the caliber of the plastic tube 29 after softening is swollen simultaneously, and fit tightly with the inwall of steel pipe 30.
(10) when steam pressure reaches 1mpa, steam off control valve 36.
(11) open pressure water valve 39, slowly the opening pressure water regulating valve 40, make press water enter the inner chamber that left head sizing detects piston 10.
(12) when press water pressure reaches steam pressure, slowly open exhaust steam valve 38 decompressions, at this moment, sizing detects piston 10 and slowly moves right under the effect of press water, and the caliber of the plastic tube after swelling 29 is repaired and detected.Because it is the nominal bore diameter that steel is moulded pipe that sizing detects the external diameter of piston 10.When plastic tube 29 swells mistake garden or size when not reaching requirement, piston 10 can be with its extruding finishing.Simultaneously sizing detect piston 10 back press water again to the cooling and shaping that pressurizes of the plastic tube 29 after detecting.
(13) when sizing detection piston 10 was reached home, closing presure water regulating valve 40 was opened draining valve 41, bleeds off the ponding in the plastic tube 29, and steel is moulded compound the finishing of pipe.
(14) unclamp spiral boosting-rod 18, withdraw from left and right sides head 1, push steel open and mould pipe, take out sizing and detect piston 10.
(15) dry up steel with compressed air and mould pipe, the decals packing.
2. water temperature composite algorithm
The water temperature composite algorithm is:
(1)-(6) with the compound steam method.
(7) open steam valve 33 and steam control valve 36, be input to the heat chamber 23 and the compound compression chamber 27 that heats (water adds heat energy in advance and improves the recombination velocity that steel is moulded pipe greatly) of right head being heated to water about 80 ℃ in advance.
(8) the steam off control valve 36, connect the power supply of electric heater 17, carry out high pressure warming and boost.
(9) be raised to the softening range of plastic tube 29 when water temperature, when pressure reaches 1mpn, cut off the power supply of electric heater.
(10) utilize water temperature to make plastic tube 29 softening, utilize hydraulic pressure that the caliber of the plastic tube 29 after softening is swollen simultaneously, and fit tightly with the inwall of steel pipe 30.
(11)-(15) with the compound steam method.
The operation principle of compounding machine sleeve mechanism and complex method (seeing Fig. 1 and Fig. 3)
The operation principle of sleeve mechanism and complex method and interior cover machine are basic identical, and difference only is:
1. interior cover machine is the inner surface that plastic tube 29 is compounded in steel pipe 30, and sleeve mechanism is the outer surface that plastic tube 29 is compounded in steel pipe 30.
2. the external diameter of interior cover machine plastic tube 29 is than the little 1-3mm of internal diameter of steel pipe 30, and the length of plastic tube 29 is than the long 3.7cm of steel pipe; The internal diameter of sleeve mechanism plastic tube 29 is then than the big 1-3mm of external diameter of steel pipe 30.
3. interior cover machine is in the pressurization of heating of the inner chamber of plastic tube 29 of sealing; Caliber is swollen, so use steel pipe 30 as the pressure-bearing pipe; And sleeve mechanism is in the pressurization of heating of the outer surface of plastic tube 29, and caliber is dwindled, thereby must put 1 steel sleeve 28 at the outer surface of plastic tube again and come seal and pressure bearing.
4. the sizing of interior cover machine detects and is piston 10.The piston nose external diameter is than the little 0.5mm of internal diameter of steel pipe 30, and the external diameter of rear end is the nominal bore diameter that steel is moulded pipe; And the detection of the sizing of sleeve mechanism is shift(ing) ring 7, and the shift(ing) ring outer surface is equipped with sealing ring 25, and shift(ing) ring and steel sleeve 28 are for being slidingly matched, and the internal diameter of shift(ing) ring is the nominal outside diameter that steel is moulded pipe.
The points for attention of compounding machine compound tense:
1. vapor (steam) temperature must not be near the fusing point of plastics, and its fusing point difference of the plastics of different performance should be with reference to related data.
2. steel pipe then can not use sizing to detect piston and sizing detection shift(ing) ring if any distortion.
3. the both ends of the surface of steel pipe and plastic tube should be rectified smoothly, are beneficial to sealing.
Claims (10)
1. compounding machine, it is characterized in that: it is by head (1), head cover (2), support (3), inside race (4), frame (5), rotating disk (6), center/sizing detects shift(ing) ring (7), centering plug (8), center ring (9), center/sizing detects piston (10), plug (11), spring (12), heating cylinder body (13), slide rail (14), slip ring (15), tail (16), electric heater (17), spiral boosting-rod (18), power connection (19), cylinder body sealing gasket (20), electric heater sealing gasket (21), steam/pressure water entrance (22), the cylinder (23) of heating, pressure gauge connection (24), O type sealing ring (25), steel sleeve sealing ring (26), the compound compression chamber that heats (27), steel sleeve (28), steel pipe supporting frame (31) control piper is formed, it is simple in structure, and combination is compact.
2. steel according to claim 1 is moulded the pipe compounding machine, it is characterized in that: on compounding machine frame 5, left and right sides Ge An 1 head (1), be used for clamping sealed steel pipe (30) and plastic tube (29), the center shift(ing) ring (7) in the head, centering plug (8), center ring (9), central plug (10) is used for and steel pipe (30) and plastic tube (29) centralized positioning.
3. steel according to claim 1 is moulded the pipe compounding machine, it is characterized in that: between head (1) and tail (16), connected 1 heating cylinder body (13), be welded with 2 interfaces on the top of cylinder body: steam/pressure water entrance (22) and pressure gauge connection (24), welded 2 slip rings (15) in the cylinder body lower end, the position that is used for fixing heating cylinder body (13) is gone up mobile at slide rail (14).
4. steel according to claim 1 is moulded the pipe compounding machine, it is characterized in that: the structure that changes head (1) just changes the compound kind that steel is moulded pipe, and the handpiece structure of Fig. 2 is interior cover machine head, and the handpiece structure of Fig. 3 is the sleeve mechanism head.
5. steel according to claim 1 is moulded the pipe compounding machine, it is characterized in that: mould the different size of pipe according to steel, change the size of each position of head (1) and head cover (2), steel that just can compound different tube diameters is moulded pipe.
6. steel according to claim 1 is moulded the pipe compounding machine, it is characterized in that: in right heating cylinder body (13), electric heater (17) is housed, and after the valve (36) that connects when input port (22) and (38) were closed, electric heater (17) carried out high pressure warming to the water in the cylinder of heating (23) and boosts.
7. steel according to claim 1 is moulded the pipe compounding machine, it is characterized in that: utilize the steam pressurization of heating, make plastic tube (29) soften forming technique.
8. mould the pipe compounding machine according to claim 1 and 6 described steel, it is characterized in that: utilized water temperature, hydraulic pressure, made plastic tube (29) soften forming technique.
9. mould the pipe compounding machine according to claim 7 and 8 described steel, it is characterized in that: the deviation of the plastic tube (29) after having utilized press water promotion sizing detection piston (10) or sizing detection shift(ing) ring (7) to softening moulding is repaired and the acceptance test technology.
10. steel according to claim 9 is moulded the pipe compounding machine, it is characterized in that: utilized press water to carry out pressure cooling and shaping technology to detecting qualified plastic tube (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100816073A CN100506518C (en) | 2004-12-28 | 2004-12-28 | Steel plastic compounding machine and compounding technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100816073A CN100506518C (en) | 2004-12-28 | 2004-12-28 | Steel plastic compounding machine and compounding technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1663778A true CN1663778A (en) | 2005-09-07 |
| CN100506518C CN100506518C (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100816073A Expired - Fee Related CN100506518C (en) | 2004-12-28 | 2004-12-28 | Steel plastic compounding machine and compounding technology |
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| CN (1) | CN100506518C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018721A1 (en) * | 2007-08-09 | 2009-02-12 | Mingwei Zhang | Equipment and method for manufacturing steel-plastic composite pipe |
| CN103438288A (en) * | 2013-08-19 | 2013-12-11 | 天津裕实工程技术有限公司 | Digitalized two-step method filling operation assembly line for directly-buried polyurethane thermal insulation pipes |
| CN103950140A (en) * | 2014-05-23 | 2014-07-30 | 重庆国华包装制品有限公司 | Electrically-heated and water-cooled foam forming upper mold |
| CN104492900A (en) * | 2014-11-17 | 2015-04-08 | 太原纵横海威机械设备有限公司 | Full-closed production process and set of hydraulically-composited bimetal pipes |
| CN105619677A (en) * | 2016-03-09 | 2016-06-01 | 刘昌林 | Molding equipment and molding method for steel-plastic composite pipe |
| CN110561768A (en) * | 2019-07-24 | 2019-12-13 | 安徽海通塑胶科技有限公司 | Steel-plastic composite pipe heating device |
-
2004
- 2004-12-28 CN CNB2004100816073A patent/CN100506518C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018721A1 (en) * | 2007-08-09 | 2009-02-12 | Mingwei Zhang | Equipment and method for manufacturing steel-plastic composite pipe |
| JP2010535648A (en) * | 2007-08-09 | 2010-11-25 | 明偉 章 | Steel resin composite pipe manufacturing equipment and manufacturing method thereof |
| US8146639B2 (en) | 2007-08-09 | 2012-04-03 | Mingwei Zhang | Equipment and method for manufacturing steel-plastic composite pipe |
| CN103438288A (en) * | 2013-08-19 | 2013-12-11 | 天津裕实工程技术有限公司 | Digitalized two-step method filling operation assembly line for directly-buried polyurethane thermal insulation pipes |
| CN103438288B (en) * | 2013-08-19 | 2015-12-23 | 天津裕实工程技术有限公司 | The filling operating line of direct burried polyurethane thermal insulation pipe digitizing two step method |
| CN103950140A (en) * | 2014-05-23 | 2014-07-30 | 重庆国华包装制品有限公司 | Electrically-heated and water-cooled foam forming upper mold |
| CN104492900A (en) * | 2014-11-17 | 2015-04-08 | 太原纵横海威机械设备有限公司 | Full-closed production process and set of hydraulically-composited bimetal pipes |
| CN104492900B (en) * | 2014-11-17 | 2018-07-06 | 太原纵横海威机械设备有限公司 | A kind of totally-enclosed hydraulic pressure bimetal composite production technology of steel tube and device |
| CN105619677A (en) * | 2016-03-09 | 2016-06-01 | 刘昌林 | Molding equipment and molding method for steel-plastic composite pipe |
| CN110561768A (en) * | 2019-07-24 | 2019-12-13 | 安徽海通塑胶科技有限公司 | Steel-plastic composite pipe heating device |
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| Publication number | Publication date |
|---|---|
| CN100506518C (en) | 2009-07-01 |
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