A kind of thin wall tube centrifugal shaping machine
The application be that December 14, application number in 2005 are 200510133729.7 the applying date, name is called the dividing an application of application for a patent for invention of " a kind of thin wall tube centrifugal shaping machine ".
(1) technical field
The present invention relates to a kind of thin wall tube centrifugal shaping machine.
(2) background technology
At present, domestic cast-in-situ concrete hollow floor is filled the production of the thin wall cement pipe of usefulness, usually adopt the manpower manual operations, labour intensity is big, and production efficiency is low, and wall unevenness is even, poor product quality, and material is produced in waste, and in order to solve the technical problem that exists in the present reality production, the patent No. is that ZL03211400.1, name are called " a kind of thin wall cement pipe automatic moulding centrifugal device " and have solved the problems referred to above preferably.This thin wall cement pipe automatic moulding centrifugal device comprises bracket base, backing roll, compression plate, bolt is installed, the pressure rod support, bearing pin, pressure rod, mould, rotating cylinder, shaft coupling, motor, main shaft, one end of described rotating cylinder is provided with central main shaft, be connected with motor by shaft coupling, the other end of rotating cylinder is equipped with compression plate, by the bolting that is installed, mould is arranged in the middle of the rotating cylinder, compress by compression plate, pressure rod is fixed, the pressure rod support is weldingly fixed on above the rotating cylinder, pressure rod is contained on the pressure rod support by bearing pin, backing roll is contained on the bracket base by rotating shaft, and rotating cylinder is arranged on above the backing roll, by motor steadily rotation on backing roll by shaft coupling and main shaft driven rotary tube, owing to adopt said structure, the utlity model has following advantage:
1, simple and reasonable, reliable operation, production efficiency height;
2, production thin wall cement pipe surface density is big, and wall thickness is even, and the quality of production is good.
But this thin wall cement pipe automatic moulding centrifugal device structure is still complicated, when installing and removing mould in rotating cylinder, need remove material injecting device earlier, refills the foldable type mould, and the working face that takies is bigger, easily produces interference, inconvenient operation.Therefore, develop a kind of novel thin wall tube centrifugal shaping machine for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of thin wall tube centrifugal shaping machine, have simple in structure, take characteristics such as working face is little, simple to operate.
Solution of the present invention is on the basis of existing technology, comprise support, support roller, drive unit, outer cover die, support roller is fixed on the support, outer cover die is arranged on the support roller, it is characterized in that described drive unit drives the support roller rotation, outer cover die contacts with support roller by at least one the rolling ring that is provided with on it, driving outer cover die by support roller rotates, also include at least one and push down the positioner of beating when the rolling ring rotates, thin wall tube centrifugal shaping machine is provided with two group, three group or the positioner of a plurality of outer cover dies corresponding with outer cover die simultaneously.Like this, because drive unit drives the support roller rotation, outer cover die contacts with support roller by at least one the rolling ring that is provided with on it, driving outer cover die by support roller rotates, thereby, when installing and removing the mould of light-wall pipe in the cover die outside, material injecting device needn't be removed from an end of make-up machine, do not need to remove drive unit yet, mould can directly be installed and removed from the other end, the working face that takies reduces greatly, and every work can not produce interference, and is simple to operate, and, also has reliable operation, the production efficiency height, characteristics such as the quality of production is good are applicable to the light-wall pipe production of various Binder Materials, are specially adapted to the light-wall pipe production of cement mortar fiberglass gridding cloth.
Feature of the present invention is that also the level interval of described support roller is adjustable.Like this, when the level interval of support roller is can regulate the time, in application process, can use the outer cover die of various different-diameter sizes very easily, and stability can not weaken, simultaneously, the spacing of support roller can be regulated the installation and removal that also help outer cover die, has made things convenient for to use to produce.
Feature of the present invention is that also described support roller is to regulate displacement by different jacks.Like this, when support roller is that the support roller spacing is easy to adjust quick when regulating displacement by different jacks, and it is reliable and stable to adopt jack to regulate, and is difficult for loosening.
Feature of the present invention is that also described support roller is to pass through slidable adjustment.Like this, the spacing between the support roller is adjustable arbitrarily, and the various diameter dimensions of convenient use differ little outer cover die.
Feature of the present invention is that also described support roller is to regulate by sliding sleeve.Like this, the spacing between the support roller is adjustable arbitrarily, and the various diameter dimensions of convenient use differ little outer cover die.
Feature of the present invention is that also described support roller is that hydraulic jack is regulated.Like this, when support roller was the hydraulic jack adjusting, support roller was easy to adjust simple, has reduced the adjusting difficulty, particularly regulates the big support roller of weight, reduced labour intensity, and spacing is accurate.
Feature of the present invention is that also described support roller is two row or three row.Like this, when support roller is provided with two row or three row, the external cover die of support roller provides good support effect, makes outer cover die be difficult for distortion, and, by adopting a plurality of support rollers to carry out transmission, it is more even that outer cover die is rotated, and starts easily, reduced the phenomenon of skid, improve transmission efficiency, reduced energy consumption.
Feature of the present invention also is also to include at least one and pushes down the positioner of beating when the rolling ring rotates.Like this, when being provided with at least one and pushing down the positioner of beating when the rolling ring rotates, positioner externally cover die positions, and prevents that outer cover die from beating in rolling process, it is rotated uniformly and stably, help guaranteeing the quality of production of light-wall pipe product.
Feature of the present invention is that also the spacing between positioner and the support roller is adjustable.Like this; when the spacing between positioner and the support roller when being adjustable; can change the outside dimension of outer cover die or rolling ring by the spacing of adjusting between positioner and the support roller, thereby make thin wall tube centrifugal shaping machine can produce the product of various various outer diameter sizes, make things convenient for production application.
Feature of the present invention also be described positioner be arranged on the support roller group mid point directly over.Like this, when positioner be arranged on the support roller group mid point directly over the time, positioner is arranged on the vertical axis of support roller center of gravity, makes outer cover die can not become flexible, and has fully guaranteed the stability of outer cover die.
Feature of the present invention is that also described positioner regulates with the variation of support roller class mid point.Like this, when positioner was regulated with the variation of support roller class mid point, in the production application process, positioner was on the center of gravity vertical axis of outer cover die all the time, has fully guaranteed the stability of outer cover die.
Feature of the present invention is that also described positioner is that jack is regulated.Like this, when positioner was the jack adjusting, the support roller spacing was easy to adjust quick, and it is reliable and stable to adopt jack to regulate, and was difficult for becoming flexible.
Feature of the present invention is that also described positioner is for regulating continuously.Like this, when positioner was adjusting continuously, the support roller spacing can be regulated continuously, had made things convenient for to produce and had implemented.
Feature of the present invention is that also described positioner is arranged on the fixed support.Like this, when positioner was arranged on the fixed support, fixed support provided the good supporting effect to positioner, made positioner be difficult for loose shift when positioning action, thereby had guaranteed that external cover die locatees accurately and reliably.
Feature of the present invention is that also described positioner is the nip drum device or presses the position device.Like this, when positioner is nip drum device or pressure position device, can selects to adopt different positioners to carry out outer cover die location according to different production requirements, thereby improve the performance of thin wall tube centrifugal shaping machine, it is more stably worked.
Feature of the present invention is that also described nip drum device is a pressing roller.Like this, when the nip drum device is pressing roller, can selects to adopt different positioners to carry out outer cover die location according to different production requirements, thereby improve the performance of thin wall tube centrifugal shaping machine, it is more stably worked.
Feature of the present invention is that also described pressing roller is the adjustable pressing roller of elastic pressure.Like this, when pressing roller is the adjustable pressing roller of elastic pressure, pressing roller can be done with outer cover die and be synchronized with the movement, position the external cover die of Shi Buhui at external cover die and produce resistance, can not reduce the rotating speed of outer cover die, and, when cover die is beated outside foreign matters such as falling into sand grains between rolling ring and the support roller makes, but pressing roller elasticity is beated, and has reduced the damage probability of machine.
Feature of the present invention is that also described pressure position device is arcuate member or axle sleeve.Like this, when pressing a position device to be arcuate member or axle sleeve, press the position device when externally cover die positions, also externally cover die and rolling ring have carried out reliable protection, prevent that foreign matter from falling in it, have more improved the security performance of machine.
Feature of the present invention is that also in described support roller, rolling ring or the positioner at least one is provided with at least one and prevents the anti-channeling device of overcoat mold shaft to play.Like this, the setting of anti-channeling device can prevent outer cover die play in rotation process effectively, makes it can not produce the axial position of scurrying in adjusting rotation process, has increased substantially the safety coefficient and the stability of thin wall tube centrifugal shaping machine.
Feature of the present invention is that also described anti-channeling device is unidirectional anti-channeling device or two-way anti-channeling device.Like this, when the anti-channeling device is unidirectional anti-channeling device, can prevents the play of the axial end of overcoat, and can make things convenient for outer cover die bi-directional axial play to make the rolling ring align support roller, guarantee that outer cover die can not beat or swing.
Feature of the present invention is that also described anti-channeling device is fixedly anti-channeling device or activity anti-channeling device.Like this, when anti-channeling device during for fixing anti-channeling device, anti-channeling device outwards cover die provide reliable and stable anti-channeling active force, prevents its left and right sides play, and when the anti-channeling device was activity anti-channeling device, the anti-channeling device can be opened, to make things convenient for the taking-up of outer cover die.
Feature of the present invention is that also described anti-channeling device is at least one in alignment pin, locating hole, magnetic-disc, vacuum pan, mechanical hole clipping, elongated slot dish, with gemel flip cover assembly or the ring limit.Like this, the anti-channeling device form is various, has made things convenient for the product of different model and different demands rationally to select the anti-channeling device for use, has guaranteed the quality of thin wall tube centrifugal shaping machine.
Feature of the present invention is that also at least one end of described outer cover die has the pipe die that stops in it unidirectional or/and the fixed or movable anti-channeling device of bi-directional axial play.Like this, when outer cover die is provided with the anti-channeling device that prevents the pipe die play, can prevent pipe die play in rotation process effectively, it firmly is fixed in the outer cover die, thereby guarantee that it is reliable and stable.
Feature of the present invention is that also described outer cover die is provided with the empty hoop of interior empty limit of at least one limiter tube mould external diameter.Like this, when outer cover die is provided with the empty hoop of limit, limit empty hoop firmly to hold pipe die tightly, prevent that it from skidding or being shifted, thereby guaranteed the product quality that pipe die is produced, simultaneously, also make pipe die not fragile.
Feature of the present invention is that also the empty hoop of described interior empty limit is arranged at outer cover die two ends or/and the inboard of rolling ring.Like this, when the empty hoop of interior empty limit is arranged at outer cover die two ends or/and during rolling ring inboard, the empty hoop of interior empty limit all is arranged at the most yielding position of pipe die, can play firm screens setting effect to pipe die, the assurance pipe die can not be out of shape displacement.
Feature of the present invention is that also the interior empty size of the described empty hoop of interior empty limit is adjustable.Like this, when empty size is adjustable in the empty hoop of interior empty limit, can regulate the chucking degree between outer cover die and the pipe die effectively, simultaneously, more can outside same, use the pipe die of different size in the cover die, make things convenient for the demand of production application.
Feature of the present invention is that also the interior empty size of the described empty hoop of interior empty limit is that classification is adjustable.Like this,, can regulate the chucking degree between outer cover die and the pipe die effectively when empty size in the empty hoop of interior empty limit is classification adjustable the time, simultaneously, more can be outside same the pipe die of use different size in the cover die, made things convenient for the demand of production application.
Feature of the present invention is that also the interior empty size of the described empty hoop of interior empty limit is continuously adjustable.Like this,, can regulate the chucking degree between outer cover die and the pipe die effectively when empty size in the empty hoop of interior empty limit is continuous adjustable the time, simultaneously, more can be outside same the pipe die of use different size in the cover die, made things convenient for the demand of production application.
Feature of the present invention is that also the empty hoop of described interior empty limit is that the empty hoop of limit of changing different size is regulated interior empty.Like this, in the empty hoop of interior empty limit is regulated for the empty hoop of the limit of changing different size, when empty, can regulate the chucking degree between overcoat mould and the pipe die, simultaneously, more can be outside same the pipe die of use different size in the cover die, made things convenient for the demand of production application.
Feature of the present invention is that also the empty hoop of described interior empty limit is that multiple spot or multi-disc constitute.Like this, when the empty hoop of interior sky limit was multiple spot or multi-disc formation, the empty hoop of interior empty limit can be held pipe die better tightly, prevents that pipe die from skidding in the cover die outside.
Feature of the present invention is that also the empty hoop of described interior empty limit is axial roller hoop or tubulose hoop.Like this,, the pipe die folder just can blocked, make the cross sectional shape of pipe die and axial shape all not yielding, simultaneously, when the empty hoop of interior empty limit is held tightly and rotated, be difficult on pipe die, extruding pit when the empty hoop of interior empty limit is axial roller hoop or tubulose hoop.
Feature of the present invention is that also the interior sky of described axial roller hoop or tubulose hoop is adjustable.Like this, but, can regulate the chucking degree between overcoat mould and the pipe die, simultaneously, more can outside same, use the pipe die of different size in the cover die, make things convenient for the demand of production application when the interior sky timing of axial roller hoop or tubulose hoop.The pipe die folder just can be blocked, make the cross sectional shape of pipe die and axial shape all not yielding, simultaneously, when the empty hoop of interior empty limit is held tightly and rotated, be difficult on pipe die, extruding pit.
Feature of the present invention is that also described thin wall tube centrifugal shaping machine is provided with two three or more outer cover dies simultaneously.Like this, when thin wall tube centrifugal shaping machine is provided with two cover dies outside three or more simultaneously, can produce a plurality of light-wall pipes simultaneously on the machine, make things convenient for the workman to take turns flow operation, can not cause machine idle running, increase substantially production efficiency.
Feature of the present invention is that also described thin wall tube centrifugal shaping machine is provided with two group, three group or the positioner of a plurality of outer cover dies corresponding with outer cover die simultaneously.Like this, when thin wall tube centrifugal shaping machine be provided with simultaneously with outside cover die corresponding two groups, three groups or a plurality of outside during the positioner of cover die, positioner externally cover die positions, and prevents that outer cover die from beating in rolling process, it is rotated uniformly and stably, help guaranteeing the quality of production of product.
Feature of the present invention also is to have in the described outer cover die guider of internal mold.Like this, mould can very conveniently be mounted in the outer cover die exactly, has made things convenient for operational applications.
Feature of the present invention is that also described guider is movable or fixing guider.Like this, when guider was movable or fixing guider, the variation of mould size was satisfied in the position that can adjust guider, makes guider exactly the mould guiding is mounted to assigned position.
Feature of the present invention is that also described guider is raised line or groove.Like this, when guider was raised line or groove, mould was equivalent to slide in orbit, had alleviated the installation and the dismounting labour intensity of mould, simultaneously, had made things convenient for the location.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is the structural representation of the embodiment of the invention 4.
Fig. 5 is the structural representation of the embodiment of the invention 5.
Fig. 6 is the structural representation of the embodiment of the invention 6.
Fig. 7 is the structural representation of the embodiment of the invention 7.
Fig. 8 is the structural representation of the embodiment of the invention 8.
Fig. 9 is the structural representation of the embodiment of the invention 9.
Figure 10 is the structural representation of the embodiment of the invention 10.
Figure 11 is the structural representation of the embodiment of the invention 11.
Figure 12 is the structural representation of the embodiment of the invention 12.
Figure 13 is the structural representation of the embodiment of the invention 13.
Figure 14 is the structural representation of the embodiment of the invention 14.
Figure 15 is the structural representation of the embodiment of the invention 15.
Figure 16 is the structural representation of the embodiment of the invention 16.
Figure 17 is the structural representation of the embodiment of the invention 17.
Figure 18 is the structural representation of the embodiment of the invention 18.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise support 1, support roller 2, drive unit 3, outer cover die 4, support roller 2 is fixed on the support 1, outer cover die 4 is arranged on the support roller 2, it is characterized in that described drive unit 3 drives support roller 2 rotations, outer cover die 4 contacts with support roller 2 by at least one the rolling ring 5 that is provided with on it, driving outer cover die 4 by support roller 2 rotates, also include at least one and push down the positioner 6 of beating when rolling ring 5 rotates, thin wall tube centrifugal shaping machine is provided with two group, three group or the positioner 6 of a plurality of outer cover dies 4 corresponding with outer cover die 4 simultaneously.In each accompanying drawing, 1 is support, and 2 is support roller, and 3 is drive unit, and 4 is outer cover die, and 5 for the rolling ring, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1; thin wall tube centrifugal shaping machine comprises support 1, support roller 2, drive unit 3, outer cover die 4; support roller 2 is fixed on the support 1; outer cover die 4 is arranged on the support roller 2; its described drive unit 3 drives support roller 2 rotations; outer cover die 4 contacts with support roller 2 by the rolling ring 5 that is provided with on it, drive outer cover die 4 by support roller 2 and rotate, the spacing of support roller 2 is adjustable.When thin wall tube centrifugal shaping machine is worked, as Figure 17, shown in Figure 180, mould 11 is imported and exported 12 from the mould of machine and is pushed in the outer cover die 4 of machine, utilize anti-channeling device 8 fixed-type moulds 11, then, the running of machining, as shown in figure 18, filling tube 14 enters the mould 11 of completing the fortifying fibre net from the feed inlet and outlet 13 of outer cover die 4, the cement mortar slip is treated turn round pre-fixing turn or after the time of machine from filling tube 14 injection moulding moulds 11, stop the operation of a machine, filling tube 14 takes out from feed inlet and outlet 13, take out mould 11 from the other end then, treat the cement mortar setting and harden after, open mould 11, the light-wall pipe maintenance to stipulating the length of time, can be made required light-wall pipe.
As shown in figure 16, its described thin wall tube centrifugal shaping machine is provided with the positioner 6 of the two group outer cover dies 4 corresponding with outer cover die 4 simultaneously.
Feature of the present invention is that also the level interval of described support roller 2 is adjustable.As shown in Figure 2, the level interval of its described support roller 2 is adjustable.
Feature of the present invention is that also described support roller 2 is to regulate displacement by different jacks.As shown in Figure 2, its described support roller 2 is to regulate displacement by different jacks.
Feature of the present invention is that also described support roller 2 is to pass through slidable adjustment.As shown in Figure 3, its described support roller 2 is to pass through slidable adjustment.
Feature of the present invention is that also described support roller 2 is to regulate by sliding sleeve.As shown in Figure 4, its described support roller 2 is to regulate by sliding sleeve.
Feature of the present invention is that also described support roller 2 is the hydraulic jack adjusting.As shown in Figure 5, its described support roller 2 is regulated for hydraulic jack.
Feature of the present invention is that also described support roller 2 is two row, three row or multiple rows.As shown in Figure 2, its described support roller 2 is three row.
Feature of the present invention also is also to include at least one and pushes down the positioner 6 of beating when rolling ring 5 rotates.As shown in Figure 3, it also includes and pushes down the positioner 6 of beating when rolling ring 5 rotates.
Feature of the present invention is that also the spacing between positioner 6 and the support roller 2 is adjustable.As shown in Figure 4, the spacing between its positioner 6 and the support roller 2 is adjustable.
Feature of the present invention is that also described positioner 6 regulates with the variation of support roller class mid point.As shown in Figure 7, its described positioner 6 is regulated with the variation of support roller class mid point.
Feature of the present invention is that also described positioner 6 is the jack adjusting.As shown in Figure 3, its described positioner 6 is regulated for jack.
Feature of the present invention is that also described positioner 6 is for regulating continuously.As shown in Figure 4, its described positioner 6 is to regulate continuously.
Feature of the present invention is that also described positioner 6 is arranged on the fixed support 7.As shown in Figure 4, its described positioner 6 is arranged on the fixed support 7.
Feature of the present invention is that also described positioner 6 is a nip drum device or a pressure position device.As shown in Figure 5, its described positioner 6 is for pressing the position device.
Feature of the present invention is that also described nip drum device 6 is pressing roller.As shown in Figure 6, its described nip drum device 6 is a pressing roller.
Feature of the present invention is that also described pressing roller 6 is the adjustable pressing roller of elastic pressure.As shown in Figure 7, its described pressing roller 6 is the adjustable pressing roller of elastic pressure.
Feature of the present invention is that also described pressure position device 6 is arcuate member or axle sleeve.As shown in Figure 5, its described pressure position device 6 is an arcuate member.
Feature of the present invention is that also in described support roller 2, rolling ring 5 or the positioner 6 at least one is provided with the anti-channeling device 8 that at least one prevents outer cover die 4 axial floats.As shown in Figure 7, its described support roller 2 is provided with the anti-channeling device 8 that prevents outer cover die 4 axial floats.As shown in Figure 8, its described positioner 6 is provided with the anti-channeling device 8 that prevents outer cover die 4 axial floats.
Feature of the present invention is that also described anti-channeling device 8 is unidirectional anti-channeling device or two-way anti-channeling device.As shown in Figure 7, its described anti-channeling device 8 is two-way anti-channeling device.
Feature of the present invention is that also described anti-channeling device 8 is fixedly anti-channeling device or activity anti-channeling device.As shown in Figure 8, its described anti-channeling device 8 is activity anti-channeling device.
Feature of the present invention is that also described anti-channeling device 8 is at least one in alignment pin, locating hole, magnetic-disc, vacuum pan, mechanical hole clipping, elongated slot dish, with gemel flip cover assembly or the ring limit.As shown in Figure 8, its described anti-channeling device 8 is the ring limit.
Feature of the present invention is that also at least one end of described outer cover die 4 has the pipe die that stops in it unidirectional or/and the fixed or movable anti-channeling device 8 of bi-directional axial play.As shown in Figure 8, its described outer cover die 4 has the fixed and movable anti-channeling device 8 that stops the pipe die bi-directional axial play in it.
Feature of the present invention is that also described outer cover die 4 is provided with the empty hoop 9 of interior empty limit of at least one limiter tube mould external diameter.As shown in Figure 9, its described outer cover die 4 is provided with the empty hoop 9 of interior empty limit of restriction pipe die external diameter.
Feature of the present invention is that also the empty hoop 9 of described interior empty limit is arranged at outer cover die 4 two ends or/and the inboard of rolling ring 5.As shown in figure 10, the empty hoop 9 of its described interior empty limit is arranged at the inboard of rolling ring 5.
Feature of the present invention is that also the empty hoop 9 interior empty sizes of described interior empty limit are adjustable.As shown in figure 11, the empty hoop 9 interior empty sizes of its described interior empty limit are adjustable.
Feature of the present invention is that also the empty hoop 9 interior empty sizes of described interior empty limit are that classification is adjustable.As shown in figure 10, the empty hoop 9 interior empty sizes of its described interior empty limit are that classification is adjustable.
Feature of the present invention is that also the empty hoop 9 interior empty sizes of described interior empty limit are continuously adjustable.As shown in figure 12, the empty hoop 9 interior empty sizes of its described interior empty limit are continuously adjustable.
Feature of the present invention is that also the empty hoop 9 of described interior empty limit is that the empty hoop of limit of changing different size is regulated interior empty.As shown in figure 13, the empty hoop 9 of its described interior empty limit is that the empty hoop of limit of changing different size is regulated interior empty.
Feature of the present invention is that also the empty hoop 9 of described interior empty limit is that multiple spot or multi-disc constitute.As shown in figure 14, the empty hoop 9 of its described interior empty limit is multiple spot and multi-disc formation.
Feature of the present invention is that also the empty hoop 9 of described interior empty limit is that multiple spot or multi-disc constitute.As shown in figure 12, the empty hoop 9 of its described interior empty limit is the multi-disc formation.
Feature of the present invention is that also the empty hoop 9 of described interior empty limit is axial roller hoop or tubulose hoop.As shown in figure 14, the empty hoop 9 of its described interior empty limit is axial roller hoop and tubulose hoop.
Feature of the present invention is that also the interior sky of described axial roller hoop or tubulose hoop 9 is adjustable.As shown in figure 14, the interior sky of its described axial roller hoop and tubulose hoop 9 is adjustable by rolling.
Feature of the present invention is that also described thin wall tube centrifugal shaping machine is provided with two three or more outer cover dies 4 simultaneously.As shown in figure 15, its described thin wall tube centrifugal shaping machine is provided with two outer cover dies 4 simultaneously.
Feature of the present invention is that also described thin wall tube centrifugal shaping machine is provided with two group, three group or the positioner 6 of a plurality of outer cover dies 4 corresponding with outer cover die 4 simultaneously.As shown in figure 16, its described thin wall tube centrifugal shaping machine is provided with the positioner 6 of the two group outer cover dies 4 corresponding with outer cover die 4 simultaneously.
Feature of the present invention also is to have in the described outer cover die 4 guider 10 of internal mold.The guider 10 that internal mold is arranged in its described outer cover die 4 as shown in figure 12,
Feature of the present invention is that also described guider 10 is movable or fixing guider.As shown in figure 12, its described guider 10 is movable guider.
Feature of the present invention is that also described guider 10 is raised line or groove.As shown in figure 12, its described guider 10 is a raised line.