CN110510490B

CN110510490B - Special combined type roller for elevator, roller machining device and roller machining method capable of being used within large temperature range

Info

Publication number: CN110510490B
Application number: CN201910902069.6A
Authority: CN
Inventors: 秦康生; 张亮; 张志高; 程宏辉; 凌凌
Original assignee: Yangzhou University
Current assignee: Yangzhou University
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2021-10-26
Anticipated expiration: 2039-09-24
Also published as: CN110510490A

Abstract

The utility model provides a special combined type gyro wheel of elevator that can use in great temperature range, gyro wheel processingequipment and gyro wheel processing method, belong to machining technical field, the gyro wheel novel structure, gyro wheel processingequipment sets up rationally, gyro wheel processing method principle is clear, production gyro wheel metal framework and nylon frame that can be quick through this processingequipment, can carry out the vacuum to the nylon frame and bleed, do benefit to the clamping in the processing of nylon frame, can change in real time among the constant temperature heating process, the vacuum coating device then can improve the mechanical properties on gyro wheel surface, the life of extension gyro wheel. The roller can be quickly machined through the device, the time and labor are saved in the whole machining process, the mechanical property is good in the use of the roller, the production efficiency is improved, and the use performance of the composite roller in a large temperature range is further met.

Description

Special combined type roller for elevator, roller machining device and roller machining method capable of being used within large temperature range

Technical Field

The invention belongs to the technical field of machining, and relates to an elevator roller, a roller machining device and a roller machining method, in particular to a special combined type roller for an elevator, a roller machining device and a roller machining method, which can be used in a large temperature range.

Background

Along with the acceleration of urbanization process, high-rise building is also fast developing simultaneously, and the elevator that produces concomitantly uses also increasingly, and the region is also wider and wider, from the above-zero fifty degrees centigrade in southern area to the below-zero fifty degrees centigrade in northern area, also higher and higher to elevator roller's operation requirement, the elevator roller that uses at present has steel spare, nylon and steel bushing combination formula three kinds, and elevator roller can appear following condition: (1) the size of the aperture of the roller bearing position of the steel elevator changes from fifty degrees centigrade above zero to ten degrees centigrade below zero, taking the aperture size in the middle of 130 as an example, when the aperture size is fifty degrees centigrade below zero, the aperture size in the middle of 130-0.12mm, when the aperture size is fifty degrees centigrade above zero, the aperture size in the middle of 130+0.02 mm; (2) the aperture size of the roller bearing position of the nylon elevator is changed from minus fifty ℃ to minus ten ℃, taking the aperture size as the outer side 130 as an example, when the aperture size is minus fifty ℃, the aperture size is as the outer side 130-0.46mm, when the aperture size is minus fifty ℃, the aperture size is as the outer side 130+0.07 mm; (3) nylon adds steel sleeve combination formula elevator roller bearing position aperture size, change at fifty degrees centigrade to ten degrees centigrade below zero, use aperture size 130 as the example in fifty degrees centigrade below zero the aperture size 130 be in 130-0.16mm in fifty degrees centigrade above zero, aperture size is in 130+ 0.04mm, can see out from above data that present elevator roller adaptation temperature changes the scope little, the commonality is poor, use outer diameter 130 bearing as the example, the aperture is greater than and can become flexible in 130+0.01mm bearing, the aperture is less than and can block when the outer 130-0.04mm bearing, from above steel, nylon, the three kinds of elevator roller contrast results of nylon adds steel sleeve combination formula elevator roller, undoubtedly, nylon adds steel sleeve combination formula elevator roller result of use best, so at present elevator roller generally uses nylon and adds steel combination formula elevator roller.

At present ordinary nylon adds steel sleeve combination formula elevator gyro wheel when processing and use, has following problem again:

(1) the annular nylon outer frame is poured on the outer diameter of the mold, when the annular nylon outer frame is poured, bubbles can be generated in the nylon outer frame, in order to reduce the bubbles in the annular nylon outer frame and improve the strength of the annular nylon outer frame, a vacuum device is used for pumping air when the nylon is in a liquid state, and harmful gas overflows when the nylon is in the liquid state, so that the harmful gas is subjected to harmless treatment, and a vacuum environment-friendly air pumping device is used for pumping air to reduce the overflow of the harmful gas; (2) the outer side of the nylon and steel sleeve combined type elevator roller is provided with the annular nylon outer frame, filiform cuttings are formed during turning processing, are easy to wind and difficult to process, are fluffy, occupy large area during stacking and are not beneficial to recycling and transportation, and when the elevator roller is processed by a processing center, the cuttings of the annular nylon outer frame can be massive, but the processing center needs a processing clamp special for the processing center; (3) the nylon and steel sleeve combined elevator roller is put into water with the temperature of more than 85 ℃ for heat treatment for 48 hours after being processed to improve the strength of the elevator roller, and in order to ensure that the water temperature is continuously heated for 48 hours with the temperature of more than 85 ℃, after a resistance wire for heating is damaged, the resistance wire for heating needs to be conveniently and quickly replaced without moving a water tank; (4) the surface of the combined elevator roller is easy to rust when the combined elevator roller is used, and the common method comprises surface spraying, electroplating, painting and surface vacuum coating.

In conclusion, it is very important to design a composite elevator roller which can be used in the temperature range of plus or minus fifty degrees and has good universality and the change of the aperture size controlled between +0.01mm and-0.04 mm and a processing method thereof.

Disclosure of Invention

The invention aims to provide the special combined type roller for the elevator, the roller processing device and the roller processing method aiming at the defects in the prior art, wherein the special combined type roller for the elevator can be used in a large temperature range.

The technical scheme of the invention is as follows: the utility model provides a can be at special combined type gyro wheel of elevator that great temperature range used which characterized in that: the roller consists of a nylon outer frame, a metal frame, a bearing and a cover plate; the metal framework comprises an outer circular ring, an inner circular ring and an elliptical ring, wherein the elliptical ring is uniformly distributed between the outer circular ring and the outer circular ring, the inner circular ring and the elliptical ring form an integral structure, bosses are uniformly distributed on the outer side of the outer circular ring, the bosses are wrapped in the nylon outer frame, threaded holes are formed in two side faces of the inner circular ring, a bearing is arranged in the inner diameter of the inner circular ring, a mandrel is arranged in the inner circular hole of the bearing, and a screw penetrates through a circular through hole in the cover plate to be connected with the threaded holes, so that the cover plate is fixedly connected with the two outer sides of the inner circular ring.

The inner circular ring, the outer circular ring and the elliptical ring are all metal components, the inner circular ring, the outer circular ring and the elliptical ring are molded by one-time casting, and the widths of the inner circular ring, the outer circular ring and the elliptical ring are the same.

The width of the nylon outer frame is 1.2-1.5 times of the width of the metal frame, the outer circumference profile of the nylon outer frame is of a concave arc surface structure, and the central angle of the concave arc surface is 45 degrees.

Between the inner circular ring and the outer circular ring, the elliptical rings are evenly distributed, the elliptical rings are arranged in an even number, the number of the elliptical rings is not less than 12, and the long axis extension lines of all the elliptical rings are coincided with the circle center of the inner circular ring.

The device consists of a metal frame casting mould, a nylon outer frame vacuum air exhaust device, a nylon outer frame processing clamp, a nylon outer frame concave arc surface processing clamp, a constant temperature heating device and a vacuum coating device;

the metal frame pouring mold comprises two pouring modules, an outer circular ring groove is arranged at the center of each pouring module, an inner circular ring groove concentric with the outer circular ring groove is arranged inside the outer circular ring groove, a plurality of elliptical ring grooves are arranged between the inner circular ring groove and the outer circular ring groove, the outer ends of the elliptical ring grooves are communicated with the outer circular ring groove, the inner ends of the elliptical ring grooves are communicated with the inner circular ring groove, a plurality of notches are arranged outside the outer circular ring groove and are communicated with the outer circular ring groove, a pouring port communicated with the outside is arranged outside each notch at the top of each pouring module, and the two pouring modules are fastened and connected through threaded through holes at the four corners of the modules;

the nylon outer frame pouring mold is formed by connecting a mold sleeve, a mold core, a metal frame, a pressing plate and a nut; the die comprises a die sleeve, a die core, a pressing plate, a metal frame and a composite roller structure, wherein the die sleeve is internally provided with a blind hole, the die core consists of a die core large step, a step shaft and a threaded shaft, the die core large step is arranged in the blind hole, an inner hole of an inner ring on the metal frame is sleeved outside the step shaft, the whole metal frame is placed on the die core large step, the center of the pressing plate is provided with a circular through hole, the pressing plate is sleeved on the threaded shaft through the circular through hole, the threaded shaft above the pressing plate is provided with a nut, the pressing plate is tightly connected to the upper end of the metal frame through screwing the nut, the die core and the metal frame are combined and then placed in the blind hole to form a pouring gap with the blind hole, and the die core and the metal frame form the composite roller structure after being cooled by pouring liquid nylon in the pouring gap;

the nylon outer frame vacuum air extractor is formed by connecting a sealed bin, a vacuum pump and a connecting pipeline; the vacuum pump is arranged outside the sealed bin and is connected with the inside of the sealed bin through a connecting pipeline, a filter layer is arranged in the vacuum pump, a sealed door is arranged on the sealed bin through a hinge, a handle is arranged on the sealed door, an air inlet valve is arranged at the top of the sealed bin, and an air outlet is arranged at the top of the vacuum pump;

the nylon outer frame processing clamp is formed by connecting a base, a cylinder sleeve, a piston rod and a pressing block; the outer side of the base is provided with a fastening end, the base is connected and fixed with a T-shaped groove on the platform through the fastening end, the cylinder sleeve is connected and fixed on the base, the top of the base is provided with a round through hole, a piston and a piston rod are arranged in the base, the piston rod moves in the round through hole in a reciprocating manner, a square hole is arranged on the rod body of the piston rod, a small step is arranged outside the base, a positioning hole of the metal frame is sleeved on the small step, a pressing block penetrates through the square hole and presses an inner ring and an elliptical ring of the metal frame, an upper air vent is arranged on the upper cavity wall formed by the piston and the cylinder sleeve, a lower air vent is arranged on the lower cavity wall formed by the piston and the cylinder sleeve, hoses are connected on the upper air vent and the lower air vent, and the piston rod are driven to ascend or descend under the action of gas, thereby driving the pressing block to realize the compression and the loosening of the metal frame;

the nylon outer frame concave arc surface machining clamp is a combined lathe clamp for machining the roller, and the combined lathe clamp comprises a mandrel, a disc, a positioning step, a thread step, a pressing plate and a nut; the metal frame is characterized in that a circular through hole is formed in the disc, a circular shaft is arranged in the circular through hole, the metal frame is circumferentially fixed through the circular shaft, a square hole is formed in the thread step, the mandrel, the disc, the positioning step and the thread step are connected to form an integrated structure, a central hole of the metal frame is sleeved on the positioning step, the pressing plate penetrates through the square hole, the nut is screwed on the thread step, and the pressing plate abuts against an inner circular ring of the metal frame by screwing the nut tightly, so that the metal frame is axially fixed;

the constant-temperature heating device comprises a supporting seat arranged on the ground and a water tank arranged above the supporting seat, wherein an electrode connected with an external power supply is arranged in the supporting seat, a plurality of supporting seat notches are formed in the supporting seat, the electrode extends out of the top end of each supporting seat notch, a moving base is arranged in each supporting seat notch, rolling wheels are arranged on two outer sides of each moving base, a metal round sleeve is arranged outside the top end of each moving base, a sliding rod is arranged in each metal round sleeve, an insulating base is arranged in each moving base, a heating resistance wire is laid on each insulating base and connected with the electrode through a round through hole, each moving base moves into each supporting seat notch, and each moving base is positioned by inserting the sliding rod into each counter bore;

the vacuum coating device comprises a support frame of the ground vacuum coating device, a coating bin, an air inlet valve, an air outlet pipeline and an air pump, wherein a round through hole is formed in the side surface of the coating bin, a bin door is arranged outside the coating bin, a sealing ring is arranged on the inner side of the bin door, the bin door is connected with the coating bin through a hinge, a tungsten filament evaporation source is arranged on the inner side surface of the coating bin, an alternating current motor is fixed on the outer side of the bottom of the coating bin, a rotating shaft of the alternating current motor penetrates through the round through hole to be connected with the round through hole in an L-shaped metal supporting block in the coating bin, the top of the side surface of the L-shaped metal supporting block is respectively provided with the round through hole and the round through hole capable of penetrating through a rotating shaft of the direct current motor, a storage battery and a direct current motor are respectively fixed on the outer side surface of the L-shaped metal supporting block, the rotating shaft of the direct current motor penetrates through the round through hole to be connected with a gear, the gear is connected with a step cylindrical spring sleeve for clamping an elevator roller, the center of the spring sleeve is provided with a threaded hole, the right end of the spring sleeve is provided with a conical hole, the outer diameter of the conical hole at the right end is uniformly provided with cutting grooves, the conical hole is matched with a conical plug, the center of the conical plug is provided with a circular through hole, the outer diameter of the conical hole is provided with an outer conical surface, an elevator roller is sleeved on the spring sleeve, the conical plug is arranged in the conical hole, a bolt penetrates through the central through hole to be connected with the central threaded hole, the conical plug moves inwards by rotating the bolt, the outer diameter of the conical hole at the right end of the spring sleeve, which is uniformly provided with the cutting grooves, is opened outwards, so that the elevator roller is fixed on the spring sleeve, a direct current motor is connected with a storage battery, a rotating shaft of the direct current motor drives a gear to rotate, the gear drives the elevator roller on the stepped cylindrical spring sleeve to rotate in the X axial direction, an alternating current motor is connected, and the rotating shaft of the alternating current motor drives the elevator roller fixed on the L-shaped metal supporting block to rotate in the Z axial direction together.

A processing method of the elevator special composite roller capable of being used in a large temperature range is characterized in that the processing device of claim 5 is used, and the processing method is as follows:

(1) discharging the casting modules of the two casting metal frames with the grooves in a face-to-face mode, penetrating the casting modules through the round through holes by using bolts, fastening the casting modules by using nuts, casting liquid metal from a casting opening, loosening the nuts after the liquid metal is cooled, taking out the bolts, separating the two metal modules to obtain the metal frames, and removing redundant materials formed at a casting feed opening;

(2) putting a step shaft into the inner diameter of an inner circular ring on a metal frame, enabling a central circular through hole on a metal pressing plate to penetrate through the top of a mold core to form a threaded step, covering the threaded step on the metal frame, screwing in a nut for fastening, so that the mold core and the metal frame are connected into a whole, enabling the outer diameters of the metal circular pressing plate and the large step of the mold core to be smaller than the outer diameter of the outer circular ring on the metal frame to form an exposed part, putting the large step of the mold core into a blind hole, forming a pouring gap with the blind hole on a mold sleeve, and pouring liquid nylon in the gap;

(3) putting an outer frame casting mold with casting liquid nylon into a metal sealing bin of an environment-friendly air extractor, closing a sealing door by using a handle, opening a vacuum pump, pumping out harmful gas generated by the liquid nylon in the sealing bin, discharging the harmful gas from a pipeline, a filter layer and an air outlet, eliminating bubbles in the liquid nylon, improving the strength of the annular nylon outer frame, closing the vacuum pump after the harmful gas is pumped out, opening an air inlet valve, opening the metal sealing door by using the handle, taking out a composite roller casting mold special for an elevator, taking out the composite roller casting mold from a mold sleeve after the liquid nylon is cooled and stretched, loosening a nut and removing a mold core;

(3) the T-shaped groove is connected with the fastening end which is uniformly and symmetrically processed on the outer side of the base by bolts and nuts, the base is fixed, the inner diameter of the inner circular ring is placed on the outer side of the small step, gas enters the lower cavity through the hose and the vent hole, the gas in the upper cavity flows out through the vent hole and the hose, so that the piston drives the connecting piston rod connected with the upper part to rise through the circular through hole, a pressing block can be placed in the square through hole, the gas enters the upper cavity through the hose and the vent hole, the gas in the lower cavity flows out through the vent hole and the hose, so that the piston drives the connecting piston rod connected with the upper part to fall through the circular through hole, the pressing block is pressed on the metal inner circular ring of the roller for the combined elevator, the roller is fixed, one side of the circular ring type on the roller is processed by a vertical milling cutter, the outer side of the nylon outer frame of the roller is processed by an arc milling cutter, the roller is taken out and turned over by reverse operation after the processing is finished, the round through hole on the roller is placed outside the small step, gas enters the lower cavity through the hose and the vent hole, the gas in the upper cavity flows out through the vent hole and the hose, so that the piston drives the connecting piston rod connected with the upper part to rise through the round through hole, the pressing block can be placed in the square through hole, the gas enters the upper cavity through the hose and the vent hole, the gas in the lower cavity flows out through the vent hole and the hose, so that the piston drives the connecting piston rod connected with the upper part to fall through the round through hole, the pressing block is pressed on a metal inner ring of the roller for the combined elevator, the roller is fixed, the other side of the upper ring of the roller is processed by using an end mill, and after the processing is finished, the take-out type roller is reversely operated;

(4) clamping a left step on a lathing mandrel fixture by using a three-jaw chuck, installing an inner circular ring hole of a metal frame on the outer side of a positioning step, sleeving an elliptical metal ring on a circular shaft, placing a metal circular pressing plate with a circular through hole on the outer side of a thread step, screwing a nut into the thread step and tightly pressing, opening a lathe to enable the lathe to rotate at a high speed after the installation is finished, and machining the outer diameter of an arc on an annular nylon outer frame by using a lathe tool to obtain the outer side of the arc of the annular nylon outer frame which is coaxial with the inner circular ring hole of the frame and has good roughness, so that a steel cable rotates in the arc smoothly and is always in the middle of the arc, and a large amount of manufacturing time and cost can be saved;

(5) the movable base provided with the heat-insulation insulating seat, the heating resistance wire and the elastic red copper electrode is placed into a concrete supporting seat poured on the ground and is in contact with a power supply fixed on the inner end face of the concrete supporting seat, the elastic red copper electrode plays a role of buffering and resetting when in contact with the power supply, a metal slide rod in a metal round sleeve is inserted into a counter bore on the ground to fix the movable base, the resistance wire is electrified to heat water in a rectangular metal water tank on the concrete supporting seat, the rectangular metal water tank is placed into a combined type elevator roller to be heated for 48 hours when the temperature reaches 85 ℃, the metal slide rod is pulled out if the resistance wire is damaged, the resistance wire can be quickly replaced after the movable base is moved out, and the temperature of the water in the rectangular metal water tank is not influenced;

(6) connecting a direct current motor with a storage battery, driving a gear to rotate by a rotating shaft of the direct current motor, driving the gear to rotate by the gear, driving a roller on a step cylindrical spring sleeve to rotate in an X axial direction by the gear, closing a bin door of a vacuum coating device, vacuumizing by an air exhaust pump through an air outlet pipeline, connecting a power supply of an alternating current motor after vacuumizing, driving a fixed roller fixed on an L-shaped metal supporting block to rotate in a Z axial direction by a rotating shaft of the alternating current motor, connecting a tungsten filament evaporation source power supply, suspending an antirust metal material on the tungsten filament evaporation source in a vacuum coating bin, stretching and extending the composite elevator roller which forms a motion track by the high-speed rotation of the X shaft and the Z shaft, extending and drawing the liquid antirust metal material into a curve shape, interweaving and covering the surface of the composite elevator roller, cooling the surface of the composite elevator roller, and forming a covering object with strength far higher than that formed by other methods on the surface of the composite elevator roller, and a trace amount of stretching and shrinking curve-shaped antirust metal material covering can be carried out, after the film coating is finished, the tungsten filament evaporation source power supply is closed, the air suction pump power supply is closed, the alternating current motor is closed, the air inlet valve power supply is opened, air is fed into the vacuum film coating bin, the bin door is opened, the direct current motor and the storage battery power supply are cut off, the screw bolt is rotated reversely to enable the conical plug to move outwards, the composite elevator roller is loosened on the step cylindrical spring sleeve, and the composite elevator roller is taken out.

The invention has the beneficial effects that: the combined type roller special for the elevator, the roller processing device and the roller processing method, which are provided by the invention, have the advantages that the roller structure is novel, the roller processing device is reasonable in arrangement, the principle of the roller processing method is clear, the roller metal frame and the nylon outer frame can be rapidly produced through the processing device, the nylon outer frame can be subjected to vacuum air exhaust, the clamping is facilitated during the processing of the nylon outer frame, the roller can be replaced in real time in the constant-temperature heating process, and the mechanical property of the surface of the roller can be improved through the vacuum coating device, so that the service life of the roller is prolonged. The roller can be quickly machined through the device, the time and labor are saved in the whole machining process, the mechanical property is good in the use of the roller, the production efficiency is improved, and the use performance of the composite roller in a large temperature range is further met.

Drawings

Fig. 1 is a schematic front view of an elevator roller according to the present invention.

FIG. 2 is a schematic view of a main sectional structure of the roller according to the present invention.

Fig. 3 is a left side sectional view of the elevator roller according to the present invention.

Fig. 4 is a schematic structural view of a metal frame casting mold according to the present invention.

FIG. 5 is a schematic structural diagram of the assembled metal frame casting mold of the present invention.

FIG. 6 is a schematic view of a metal frame structure according to the present invention.

Fig. 7 is a schematic main sectional structure view of the nylon outer frame casting mold and the metal frame after combination.

FIG. 8 is a front view of the air extractor of the present invention.

FIG. 9 is a schematic top view of the air extractor of the present invention.

FIG. 10 is a schematic view of the assembled machining jig and roller blank of the machining center according to the present invention.

FIG. 11 is a schematic view of the main cross-sectional structure of the machining center after assembling the machining jig and the roller blank according to the present invention.

FIG. 12 is a schematic top view of the machining fixture of the machining center of the present invention.

FIG. 13 is a left side sectional view of the machining center of the present invention after assembling the machining jig and the roller blank.

FIG. 14 is a schematic view of the main cross-sectional structure of the lathe work fixture and the roller blank of the present invention after they are assembled.

Fig. 15 is a schematic cross-sectional view at a-a in fig. 14.

Fig. 16 is a front view of the heating device of the present invention.

FIG. 17 is a schematic top view of the heating apparatus with the water tank removed.

FIG. 18 is a schematic main sectional view of a vacuum coating apparatus according to the present invention.

FIG. 19 is an enlarged view of the clamping mechanism and the roller of the vacuum deposition apparatus of the present invention.

FIG. 20 is a schematic top view of the vacuum deposition apparatus of the present invention.

In the figure: elevator roller 1, nylon outer frame 2, concave arc surface 2-1, outer ring 3, outer ring outer diameter 4, outer ring inner diameter 5, inner ring 6, inner ring outer diameter 7, inner ring inner diameter 8, elliptical ring 9, boss 10, protruding step 11, threaded hole 12, cover plate 13, circular through hole 14, bearing 15, rolling shaft 16, inner ring groove 17, casting module 18, circular through hole 19, outer ring groove 20, notch 21, casting port 22, elliptical ring groove 23, metal frame 24, outer frame casting mold 25, mold sleeve 26, mold sleeve counter bore 26-1, mold core 27, mold core large step 28, step shaft 29, threaded shaft 30, nut 31, pressure plate 32, circular through hole 33, exposed part 34, casting gap 35, blind hole 36, ground 37, seal cabin 38, seal door 39, air inlet valve 40, connecting pipeline 41, filter layer 42, vacuum pump 43, air outlet 44, hinge 45, and sealing method, The device comprises a handle 46, a platform 47, a T-shaped groove 48, a piston rod 49, a pressing block 50, a square hole 51, a base 52, a fastening end 53, a cylinder sleeve 54, a small step 55, a piston 56, a circular groove 57, an upper cavity 58, a lower cavity 59, a lower vent hole 60, a circular through hole 61, an upper vent hole 62, a hose 63, a hose 64, a circular groove 65, a clamp 66, a mandrel 67, a left step 68, a disc 69, a circular through hole 70, a circular shaft 71, a positioning step 72, a threaded step 73, a pressing plate 74, a central circular through hole 75, a nut 76, a constant-temperature heating device 77, a supporting seat 78, a movable base 79, a roller 80, a metal circular sleeve 81, a sliding rod 82, a counter bore 83, a water tank 84, a power supply 85, an electrode 85-1, a shell 86, an insulating base 86-1, a heating resistance wire 87, a circular through hole 88, a coating device 89, a supporting frame 90, a coating bin 91, a tungsten wire evaporation source 92, an air inlet valve 93, an air outlet pipeline 94, a heat exchanger, The air suction pump comprises an air suction pump 95, an alternating current motor 96, a circular through hole 97, an L-shaped supporting block 98, a circular through hole 99, a supporting block side surface 100, a circular through hole 101, a spring sleeve 102, a storage battery 103, a direct current motor 104, a circular through hole 105, a motor gear 106, a spring sleeve gear 107, a central threaded hole 108, a conical hole 109, a cutting groove 110, a conical plug 111, a central through hole 112, an outer conical surface 113, a circular through hole 114, a bin gate 115, a sealing ring 116 and a hinge 117.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-3, a special composite roller for an elevator, which can be used in a wide temperature range, comprises a nylon outer frame 2, a metal frame 24, a bearing 15 and a cover plate 13; metal crate is by outer ring 3, interior ring 6 and elliptical ring 9 are constituteed, elliptical ring 9 evenly arranges between outer ring 3 and outer ring 3, interior ring 6 and elliptical ring 9 form monolithic structure, the outside equipartition of outer ring 3 is equipped with boss 10, boss 10 parcel sets up in nylon frame 2, be equipped with screw hole 12 on the 6 both sides of inner ring, be equipped with bearing 15 in the inner ring internal diameter 8, the downthehole dabber 16 that is equipped with in the bearing 15, the screw passes circular through-hole 14 on the apron 13 and is connected with screw hole 12, connect including apron 13 and fix two outsides of circular ring 6.

As shown in fig. 4-20, a processing device for a composite roller dedicated for an elevator, which can be used in a wide temperature range, comprises a metal frame casting mold, a nylon outer frame vacuum pumping device, a nylon outer frame processing clamp, a nylon outer frame concave arc surface processing clamp, a constant temperature heating device and a vacuum coating device.

As shown in fig. 4-6, a processing device for elevator-dedicated composite rollers capable of being used in a large temperature range, wherein a metal frame casting mold is composed of two casting modules 18, an outer circular ring groove 20 is arranged at the center of each casting module 18, an inner circular ring groove 17 concentric with the outer circular ring groove 20 is arranged inside the outer circular ring groove 20, a plurality of elliptical ring grooves 23 are arranged between the inner circular ring groove 17 and the outer circular ring groove 20, the outer ends of the elliptical ring grooves 23 are communicated with the outer circular ring groove 20, the inner ends of the elliptical ring grooves 23 are communicated with the inner circular ring groove 17, a plurality of notches 21 are arranged outside the outer circular ring groove 20, the notches 21 are communicated with the outer circular ring groove 20, wherein a casting port 22 communicated with the outside is arranged outside the notch 21 at the top of each casting module 18, and the two casting modules 18 are fastened and connected through threaded through holes 19 at the four corners of the modules.

As shown in fig. 7, a processing device of a special composite roller for an elevator, which can be used in a wide temperature range, is characterized in that a nylon outer frame casting mold is formed by connecting a mold sleeve 26, a mold core 27, a metal frame 24, a pressure plate 32 and a nut 31; the die sleeve 26 is internally provided with a blind hole 36, the die core 27 consists of a die core large step 28, a step shaft 29 and a threaded shaft 30, the die core large step 28 is arranged in the blind hole 36, an inner hole of an inner ring 6 on the metal frame 24 is sleeved outside the step shaft 29, the whole metal frame 24 is placed on the die core large step 28, the center of the pressing plate 32 is provided with a circular through hole 33, the pressing plate 32 is sleeved on the threaded shaft 30 through the circular through hole 33, the threaded shaft 30 above the pressing plate 32 is provided with a nut 31, the pressing plate 32 is tightly connected to the upper end of the metal frame 24 through screwing the nut 31, the die core 27 is combined with the metal frame 24 and then placed in the blind hole 36 to form a pouring gap 35 with the blind hole 36, and the die core 27 and the metal frame 24 form a composite roller structure after being poured with liquid nylon in the pouring gap 35 and cooled.

As shown in fig. 8-9, a processing device of a composite roller dedicated for an elevator, which can be used in a wide temperature range, comprises a nylon outer frame vacuum pumping device, a sealed cabin 38, a vacuum pump 43 and a connecting pipeline 41; the vacuum pump 43 is arranged outside the sealed cabin, the vacuum pump 43 is connected with the sealed cabin 38 through the connecting pipeline 41, the filtering layer 42 is arranged in the vacuum pump 43, the sealed cabin 38 is provided with the sealing door 39 through the hinge 45, the handle 46 is arranged on the sealing door 39, the air inlet valve 40 is arranged at the top of the sealed cabin 23, and the air outlet 44 is arranged at the top of the vacuum pump 7.

As shown in fig. 10-13, a processing device for a composite roller dedicated for an elevator, which can be used in a wide temperature range, comprises a nylon outer frame processing clamp, a piston rod 49, a pressing block 50, and a base 52; a fastening end 53 is arranged on the outer side of the base 52, the base 52 is fixedly connected with a T-shaped groove 48 on the platform 47 through the fastening end 53, the cylinder sleeve 54 is fixedly connected on the base 52, a round through hole 61 is arranged on the top of the base 52, a piston 56 and a piston rod 49 are arranged inside the base 52, the piston rod 49 reciprocates in the round through hole 61, a square hole 51 is arranged on the rod body of the piston rod 49, a small step 55 is arranged outside the base 52, a positioning hole of the metal frame 24 is sleeved on the small step 55, a pressing block 50 penetrates through the square hole 51, the pressing block 50 is pressed on the inner ring 6 and the elliptical ring 9 of the metal frame 24, an upper vent hole 62 is arranged on the wall of an upper cavity 58 formed by the piston 56 and the cylinder sleeve 54, a lower vent hole 60 is arranged on the wall of a lower cavity 59 formed by the piston 56 and the cylinder sleeve 54, hoses 63 are respectively connected on the upper vent hole 62 and the lower vent hole 60, and the piston 56 and the piston rod 49 are driven to ascend or descend under the action of gas, thereby driving the pressing block 50 to compress and release the metal frame 2.

As shown in fig. 14-15, a processing device for a composite roller dedicated for an elevator, which can be used in a wide temperature range, includes a concave arc surface processing fixture for a nylon outer frame, which is composed of a mandrel 67, a disc 69, a positioning step 72, a thread step 4, a pressure plate 74, and a nut 76; be equipped with round through hole 70 on disc 69, be equipped with circle axle 71 in the round through hole 70, it is fixed to carry out circumference to metal crate 24 through circle axle 71, be equipped with square hole 51 on the screw thread step 73, dabber 67, disc 69, location step 72 and screw thread step 73 connect and constitute the integral type structure, metal crate 24's centre bore cover is established on location step 72, clamp plate 74 wears to locate in square hole 51, nut 76 connects soon on screw thread step 73, make clamp plate 74 near on metal crate 24's inner ring 6 through screwing up nut 76, thereby realize the axial fixity to metal crate 24.

As shown in fig. 16-17, a processing device of elevator-dedicated composite roller capable of being used in a wide temperature range, the constant temperature heating device includes a support seat 78 disposed on the ground 37, a water tank (84) disposed above the support seat 78, an electrode 85-1 connected to an external power source 85 disposed in the support seat 78, a plurality of support seat notches disposed on the support seat 78, an electrode 85-1 extending from the top end of each support seat notch, a movable base 79 disposed in the support seat notches, rollers 80 disposed on both outer sides of the movable base 79, a metal round sleeve 81 disposed on the outer side of the top end of the movable base 79, a slide rod 82 disposed in the metal round sleeve 81, an insulating base 86-1 disposed in the movable base 79, a heating resistance wire 87 disposed on the insulating base 86-1, the heating resistance wire 87 connected to the electrode 85-1 through a round through hole 88, the movable base 79 moving into the support seat notches, the slide rod 82 is inserted into the counterbore 83 to position the moving base 79.

As shown in fig. 18-20, a device for processing a composite roller dedicated for an elevator, which can be used in a large temperature range, comprises a support frame 90 of a vacuum coating device on the ground 37, a coating chamber 91, an air inlet valve 93, an air outlet pipe 94, and an air pump 95, wherein the coating chamber 91 has a circular through hole 114 on the side, a chamber door 115 is arranged outside the coating chamber 91, a sealing ring 116 is arranged inside the chamber door 115, the chamber door 115 is connected with the coating chamber 91 through a hinge 117, a tungsten filament evaporation source 92 is arranged inside the coating chamber 91, an ac motor 96 is fixed on the outside of the bottom of the coating chamber 91, the rotation shaft of the ac motor passes through the circular through hole 97 to be connected with the circular through hole 99 on the L-shaped metal support block 98 in the coating chamber 91, the top of the side 100 of the L-shaped metal support block is respectively processed with a circular through hole 101 and a circular through hole 105 through which the rotation shaft of the dc motor can pass, the outside of the side 100 of the L-shaped metal support block is respectively fixed with a storage battery 103 and a dc motor 104, the rotating shaft of the direct current motor 104 passes through a circular through hole 105 to be connected with a gear 106, the gear 106 is connected with a gear 107, the gear 107 is connected with a step cylindrical spring sleeve 102 which clamps an elevator roller 1, a threaded hole 108 is processed in the center of the spring sleeve 102, a conical hole 109 is processed at the right end, a cutting groove 110 is uniformly processed on the outer diameter of the right end conical hole 109, a conical plug 111 is matched and installed in the conical hole 109, a circular through hole 112 is processed in the center of the conical plug 111, an outer conical surface 113 is processed on the outer diameter, the elevator roller 1 is sleeved on the spring sleeve 102, the conical plug 111 is installed in the conical hole 109, a bolt passes through the central through hole 112 to be connected with the central threaded hole 108, the conical plug 111 moves inwards by rotating the bolt, the outer diameter of the right end conical hole 109 uniformly processed with the cutting groove 110 on the spring sleeve 102 is outwards opened, the elevator roller 1 is fixed on the spring sleeve 102, the direct current motor 104 is communicated with a storage battery 103, the rotating shaft of the direct current motor 104 drives the gear 106 to rotate, the gear 106 drives the gear 107 to rotate, the gear 107 drives the elevator roller 1 on the step cylindrical spring sleeve 102 to rotate in the X-axis direction, the alternating current motor 96 is switched on, and the rotating shaft of the alternating current motor drives the elevator roller 1 fixed on the L-shaped metal supporting block 98 to rotate in the Z-axis direction.

As shown in fig. 1-20, a method for processing a composite roller dedicated for an elevator, which can be used in a wide temperature range, includes the following steps:

(1) arranging the pouring modules 18 of the two pouring metal frames with grooves face to face, penetrating through the round through holes 19 by bolts, fastening by nuts, pouring liquid metal from the pouring gate 22, after the liquid metal is cooled, loosening the nuts, taking out the bolts, separating the two metal modules 18, obtaining a metal frame 24, and removing redundant materials formed by the pouring feed port 22;

(2) the step shaft 29 is placed in the inner diameter 8 of the inner circular ring on the metal frame 24, the central circular through hole 33 on the metal pressing plate 32 penetrates through the top of the mold core to form a threaded step 30, the threaded step is covered on the metal frame 24, the nut 33 is screwed in for fastening, so that the mold core 27 and the metal frame 24 are connected into a whole, the outer diameters of the metal circular pressing plate 32 and the large step 28 of the mold core are smaller than the outer diameter 4 of the outer circular ring on the metal frame 24 to form an exposed part 34, the large step 28 of the mold core is placed in the blind hole 36, a pouring gap 35 is formed by the large step 28 of the mold core and the blind hole 36 on the mold sleeve 26, and liquid nylon is poured in the gap 35;

(3) placing an outer frame casting mold 25 with cast liquid nylon into a metal sealing bin 38 of an environment-friendly air extractor, closing a sealing door 39 by using a handle 46, opening a vacuum pump 43, pumping out harmful gas generated by the liquid nylon in the sealing bin 38, discharging the harmful gas from a pipeline 41, a filter layer 42 and an air outlet 44, eliminating bubbles in the liquid nylon, improving the strength of the annular nylon outer frame, closing the vacuum pump 43 after the harmful gas is pumped out, opening an air inlet valve 40, opening the metal sealing door 39 by using the handle 46, taking out a composite roller casting mold 25 special for an elevator, taking out the composite roller casting mold 25 from a mold sleeve 26 after the liquid nylon is cooled and stretched, loosening a nut 31 and removing a mold core 27;

(3) the T-shaped groove 48 is connected with the fastening end 53 which is evenly and symmetrically processed on the outer side of the base 52 by using bolts and nuts, the base 52 is fixed, the inner diameter 8 of the inner circular ring is placed on the outer side of the small step 55, gas enters the lower cavity 59 through the hose 64 and the vent hole 60, the gas in the upper cavity 58 flows out through the vent hole 62 and the hose 63, the piston 56 drives the connecting piston rod 49 which is connected with the upper part to rise through the circular through hole 61, the pressing block 50 can be placed in the square through hole 51, the gas enters the upper cavity 59 through the hose 63 and the vent hole 62, the gas in the lower cavity 59 flows out through the vent hole 6 and the hose 64, the piston 56 drives the connecting piston rod 49 which is connected with the upper part to descend through the circular through hole 51, the pressing block 50 is pressed on the metal inner circular ring 6 of the roller for the combined type elevator, the roller is fixed, the annular surface on the roller is processed by using an end mill, the outer frame of the roller is processed by using an arc-shaped milling cutter to process the outer side of the roller 1 nylon 2, after the processing is finished, the roller 1 is taken out and turned over by reverse operation, the round through hole 8 on the roller 1 is placed outside the small step 55, the gas enters the lower cavity 59 through the hose 64 and the vent hole 60, the gas in the upper cavity 58 flows out through the vent hole 62 and the hose 63, the piston 56 drives the connecting piston rod 49 connected with the upper part to ascend through the round through hole 61, the pressing block 50 can be placed in the square through hole 51, the gas enters the upper cavity 59 through the hose 63 and the vent hole 62, the gas in the lower cavity 59 flows out through the vent hole 6 and the hose 64, the piston 56 drives the connecting piston rod 49 connected with the upper part to descend through the round through hole 51, the pressing block 50 is pressed on the metal inner ring 6 of the roller for the combined elevator, the roller is fixed, the other surface of the upper ring shape of the roller is processed by a vertical milling cutter, and the roller 1 is taken out by reverse operation after the processing is finished;

(4) clamping a left step 68 on a lathing mandrel clamp 67 by using a three-jaw chuck, installing an inner circular ring hole 8 of a metal frame on the outer side of a positioning step 72, sleeving an elliptical metal ring 9 on a circular shaft 71, placing a metal circular pressing plate 74 with a circular through hole 75 and a threaded step 73 into a nut 76 and pressing tightly, after the installation is finished, opening a lathe to enable the lathe to rotate at a high speed, and machining an outer circular diameter 2-1 on an annular nylon outer frame by using a lathe tool, so that an outer circular arc side 2-1 of the annular nylon outer frame which is coaxial with the inner circular ring hole 8 of the frame and has good roughness can be obtained, a steel cable rotates in an arc smoothly, the steel cable is always in the middle of the arc 2-1, and a large amount of manufacturing time and cost can be saved;

(5) the movable base 79 provided with the heat-preservation insulating base 86-1, the heating resistance wire 87 and the elastic red copper electrode 85-1 is placed into a concrete supporting seat 78 poured on the ground 37 and is contacted with a power supply 85 fixed on the inner end face of the concrete supporting seat 78, the elastic red copper electrode 85-1 plays a role in buffering and resetting when being contacted with the power supply 85, a metal slide rod 82 in a metal round sleeve 81 is inserted into a counter bore 83 in the ground 37 to fix the movable base 79, the resistance wire 87 is electrified to heat water in a rectangular metal water tank 84 on the concrete supporting seat 78, the rectangular metal water tank is placed into a combined type elevator roller to be heated for 48 hours when the temperature reaches 85 degrees, if the resistance wire 87 is damaged, the metal slide rod 82 is pulled out, the resistance wire 87 can be quickly replaced by moving out of the movable base 79, and the temperature of the water in the rectangular metal water tank 84 is not influenced;

(6) connecting a DC motor 104 with a storage battery 103, driving a gear 106 to rotate by a rotating shaft of the DC motor 104, driving a gear 107 to rotate by the gear 106, driving a roller 1 on a step cylindrical spring sleeve 102 to rotate in an X-axis direction by the gear 107, closing a bin door 115 of a vacuum coating device, vacuumizing by an air pump 95 through an air outlet pipeline 94, connecting a power supply of an AC motor 96, driving a fixed roller 1 fixed on an L-shaped metal supporting block 98 to rotate in a Z-axis direction by the rotating shaft of the AC motor, connecting a power supply of a tungsten wire evaporation source 92, suspending an antirust metal material on the tungsten wire evaporation source 92 in a vacuum coating bin 91, stretching and extending the antirust metal material by the composite elevator roller 1 which is formed by the high-speed rotation of the X-axis and the Z-axis to form a motion track, stretching the antirust metal material into a curve, and interweaving the antirust metal material on the surface of the composite elevator roller 1 for cooling, On the surface of the combined type elevator roller 1, a covering with strength far higher than that formed by other methods is formed, trace stretching and shrinking of a curve-shaped antirust metal material covering can be performed, after coating is finished, the power supply of a tungsten wire evaporation source 92 is closed, the power supply of an air suction pump 95 is closed, an alternating current motor is closed, the power supply of an air inlet valve 93 is opened, air is introduced into a vacuum coating bin 91, a bin door 115 is opened, the power supply of a direct current motor 104 and a storage battery 103 is cut off, a bolt is rotated reversely to enable a conical plug 111 to move outwards, the combined type elevator roller 1 is loosened on a step cylindrical spring sleeve 102, and the combined type elevator roller 1 is taken out.

Claims

1. The utility model provides a can be at processingequipment of special combined type gyro wheel of elevator that great temperature range used which characterized in that: the device consists of a metal frame casting mould, a nylon outer frame vacuum air exhaust device, a nylon outer frame processing clamp, a nylon outer frame concave arc surface processing clamp, a constant temperature heating device and a vacuum coating device;

the metal frame pouring mold consists of two pouring modules (18), an outer circular groove (20) is arranged at the center of each pouring module (18), an inner circular ring groove (17) concentric with the outer circular ring groove (20) is arranged in the outer circular ring groove (20), a plurality of elliptical ring grooves (23) are arranged between the inner circular ring groove (17) and the outer circular ring groove (20), the outer end of the elliptical ring groove (23) is communicated with the outer circular ring groove (20), the inner end of the elliptical ring groove (23) is communicated with the inner circular ring groove (17), a plurality of gaps (21) are arranged outside the outer circular groove (20), the gaps (21) are communicated with the outer circular groove (20), wherein, a pouring port (22) communicated with the outside is arranged on the outer side of a notch (21) at the top of the pouring module (18), and the two pouring modules (18) are fastened and connected through threaded through holes (19) at the four corners of the modules;

the nylon outer frame pouring mold is formed by connecting a mold sleeve (26), a mold core (27), a metal frame (24), a pressing plate (32) and a nut (31); a blind hole (36) is arranged in the die sleeve (26), the die core (27) is composed of a die core large step (28), a step shaft (29) and a threaded shaft (30), the die core large step (28) is arranged in the blind hole (36), an inner hole of an inner circular ring (6) on the metal frame (24) is sleeved outside the step shaft (29), the whole metal frame (24) is placed on the die core large step (28), a round through hole (33) is arranged in the center of the pressing plate (32), the pressing plate (32) is sleeved on the threaded shaft (30) through the round through hole (33), a nut (31) is arranged on the threaded shaft (30) above the pressing plate (32), the pressing plate (32) is tightly pressed and connected to the upper end of the metal frame (24) through screwing the nut (31), the die core (27) and the metal frame (24) are combined and then placed in the blind hole (36) and form a pouring gap (35) with the blind hole (36), liquid nylon is poured into the pouring gap (35) and cooled to form a composite roller structure with the metal frame (24);

the nylon outer frame vacuum air extractor is formed by connecting a sealing bin (38), a vacuum pump (43) and a connecting pipeline (41); the vacuum pump (43) is arranged outside the sealed cabin, the vacuum pump (43) is connected with the inside of the sealed cabin (38) through a connecting pipeline (41), a filter layer (42) is arranged in the vacuum pump (43), a sealed door (39) is arranged on the sealed cabin (38) through a hinge (45), a handle (46) is arranged on the sealed door (39), an air inlet valve (40) is arranged at the top of the sealed cabin (23), and an air outlet (44) is arranged at the top of the vacuum pump (7);

the nylon outer frame machining clamp is formed by connecting a base (52), a cylinder sleeve (54), a piston (56), a piston rod (49) and a pressing block (50); the outer side of the base (52) is provided with a fastening end (53), the base (52) is fixedly connected with a T-shaped groove (48) on a platform (47) through the fastening end (53), the cylinder sleeve (54) is fixedly connected on the base (52), the top of the base (52) is provided with a round through hole (61), a piston (56) and a piston rod (49) are arranged inside the base (52), the piston rod (49) reciprocates in the round through hole (61), a square hole (51) is arranged on the rod body of the piston rod (49), a small step (55) is arranged outside the base (52), a positioning hole of the metal frame (24) is sleeved on the small step (55), a pressing block (50) penetrates through the square hole (51), the pressing block (50) is pressed on an inner circular ring (6) and an elliptical ring (9) of the metal frame (24), and an upper vent hole (62) is arranged on the wall of an upper cavity (58) formed by the piston (56) and the cylinder sleeve (54), a lower vent hole (60) is formed in the wall of a lower cavity (59) formed by the piston (56) and the cylinder sleeve (54), hoses (63) are connected to the upper vent hole (62) and the lower vent hole (60), and the piston (56) and the piston rod (49) are driven to ascend or descend under the action of gas, so that the pressing block (50) is driven to compress and loosen the metal frame (2);

the clamp for processing the concave arc surface of the nylon outer frame is composed of a combined lathe clamp for processing the roller, wherein the combined lathe clamp is composed of a mandrel (67), a disc (69), a positioning step (72), a thread step (4), a pressing plate (74) and a nut (76); a round through hole (70) is formed in the disc (69), a round shaft (71) is arranged in the round through hole (70), the metal frame (24) is circumferentially fixed through the round shaft (71), a square hole (51) is formed in the thread step (73), the mandrel (67), the disc (69), the positioning step (72) and the thread step (73) are connected to form an integrated structure, a central hole of the metal frame (24) is sleeved on the positioning step (72), the pressing plate (74) penetrates through the square hole (51), the nut (76) is screwed on the thread step (73), and the pressing plate (74) abuts against the inner circular ring (6) of the metal frame (24) by screwing the nut (76), so that the metal frame (24) is axially fixed;

the constant-temperature heating device comprises a supporting seat (78) arranged on the ground (37) and a water tank (84) arranged above the supporting seat (78), wherein an electrode (85-1) connected with an external power supply (85) is arranged in the supporting seat (78), a plurality of supporting seat notches are formed in the supporting seat (78), the electrode (85-1) extends out of the top end of each supporting seat notch, a movable base (79) is arranged in each supporting seat notch, rollers (80) are arranged on the two outer sides of the movable base (79), a metal round sleeve (81) is arranged outside the top end of the movable base (79), a sliding rod (82) is arranged in each metal round sleeve (81), an insulating base (86-1) is arranged in each movable base (79), a heating resistance wire (87) is laid on each insulating base (86-1), and each heating resistance wire (87) is connected with the electrode (85-1) through a round through hole (88), the movable base (79) moves into the support seat gap, and the movable base (79) is positioned by inserting the sliding rod (82) into the counter bore (83);

the vacuum coating device comprises a support frame (90) of the vacuum coating device on the ground (37), a coating bin (91), an air inlet valve (93), an air outlet pipeline (94) and an air suction pump (95), wherein a round through hole (114) is formed in the side surface of the coating bin (91), a bin door (115) is arranged outside the coating bin (91), a sealing ring (116) is arranged on the inner side of the bin door (115), the bin door (115) is connected with the coating bin (91) through a hinge (117), a tungsten wire evaporation source (92) is arranged on the inner side surface of the coating bin (91), an alternating current motor (96) is fixed on the outer side of the bottom of the coating bin (91), a rotating shaft of the alternating current motor penetrates through the round through hole (97) to be connected with a round through hole (99) in an L-shaped metal supporting block (98) in the coating bin (91), and a round through hole (105) through which the rotating shaft of the direct current motor is arranged on the top of the side surface (100) of the L-shaped metal supporting block are respectively processed, the elevator supporting roller is characterized in that a storage battery (103) and a direct current motor (104) are respectively fixed on the outer side of the side face (100) of the L-shaped metal supporting block, a rotating shaft of the direct current motor (104) penetrates through a circular through hole (105) to be connected with a gear (106), the gear (106) is connected with a gear (107), the gear (107) is connected with a step cylindrical spring sleeve (102) clamping an elevator roller (1), a threaded hole (108) is machined in the center of the spring sleeve (102), a conical hole (109) is machined in the right end, cutting grooves (110) are uniformly machined in the outer diameter of the conical hole (109) in the right end, a conical plug (111) is installed in a matched mode in the conical hole (109), a circular through hole (112) is machined in the center of the conical plug (111), an outer conical surface (113) is machined in the outer diameter, the elevator roller (1) is sleeved on the spring sleeve (102), the conical plug (111) is installed in the conical hole (109), and is connected with the central threaded hole (108) after penetrating through the central through hole (112) by a bolt, the screw bolt is rotated to enable the conical plug (111) to move inwards, the outer diameter of a right-end conical hole (109) with a cutting groove (110) is uniformly processed on the spring sleeve (102) to expand outwards, so that the elevator roller (1) is fixed on the spring sleeve (102), the direct current motor (104) is communicated with the storage battery (103), a rotating shaft of the direct current motor (104) drives the gear (106) to rotate, the gear (106) drives the gear (107) to rotate, the gear (107) drives the elevator roller (1) on the stepped cylindrical spring sleeve (102) to rotate in the X axial direction and is communicated with the alternating current motor (96), and a rotating shaft of the alternating current motor drives the fixed elevator roller (1) fixed on the L-shaped metal supporting block (98) to rotate in the Z axial direction.

2. A method for processing the elevator special composite roller capable of being used in a large temperature range, which is characterized in that the processing device of claim 1 is used, and the processing method comprises the following steps:

(1) arranging the pouring modules (18) of the two pouring metal frames with the grooves in a face-to-face mode, enabling bolts to penetrate through the round through holes (19) and fastening the round through holes with nuts, pouring liquid metal from the pouring gate (22), loosening the nuts after the liquid metal is cooled, taking out the bolts, separating the two metal modules (18), obtaining the metal frames (24), and removing redundant materials formed by the pouring feed port (22);

(2) putting a step shaft (29) into an inner circular ring inner diameter (8) on a metal frame (24), enabling a central circular through hole (33) on a metal pressing plate (32) to penetrate through the top of a mold core to form a threaded step (30), covering the metal frame (24), screwing a nut (33) to fasten to enable the mold core (27) and the metal frame (24) to be connected into a whole, enabling the outer diameters of the metal circular pressing plate (32) and a large mold core step (28) to be smaller than the outer diameter (4) of an outer circular ring on the metal frame (24) to form an exposed part (34), putting the large mold core step (28) into a blind hole (36), forming a pouring gap (35) with the blind hole (36) on a mold sleeve (26), and pouring liquid nylon in the gap (35);

(3) putting an outer frame casting mold (25) with casting liquid nylon into a metal sealing bin (38) of an environment-friendly air extractor, closing a sealing door (39) by using a handle (46), opening a vacuum pump (43), extracting harmful gas generated by the liquid nylon in the sealing bin (38), discharging the harmful gas from a pipeline (41), a filter layer (42) and an air outlet (44), eliminating bubbles in the liquid nylon, improving the strength of the annular nylon outer frame, closing the vacuum pump (43) after the harmful gas is extracted, opening an air inlet valve (40), opening the metal sealing door (39) by using the handle (46), taking out the composite roller casting mold (25) special for the elevator, taking out the composite roller casting mold (25) from a mold sleeve (26) after the liquid nylon is cooled and stretched, loosening a nut (31) and removing a mold core (27);

(3) the T-shaped groove (48) is connected with a fastening end (53) which is uniformly and symmetrically processed on the outer side of the base (52) by using bolts and nuts, the base (52) is fixed, the inner diameter (8) of the inner ring is placed on the outer side of the small step (55), air enters the lower cavity (59) through the hose (64) and the vent hole (60), the air in the upper cavity (58) flows out through the vent hole (62) and the hose (63), the piston (56) drives the connecting piston rod (49) connected with the upper part to rise through the circular through hole (61), the press block (50) can be placed in the square through hole (51), the air enters the upper cavity (59) through the hose (63) and the vent hole (62), the air in the lower cavity (59) flows out through the vent hole (6) and the hose (64), the piston (56) drives the connecting piston rod (49) connected with the upper part to fall through the circular through hole (51), a pressing block (50) is pressed on a metal inner circular ring (6) of a composite roller for an elevator, the roller is fixed, an end mill is used for processing one surface of the roller in a circular ring shape, an arc-shaped milling cutter is used for processing the outer side of a nylon outer frame (2) of the roller (1), after the processing is finished, the roller (1) is taken out and turned over by reverse operation, a circular through hole (8) in the roller (1) is placed on the outer side of a small step (55), gas enters a lower cavity (59) through a hose (64) and a vent hole (60), the gas in the upper cavity (58) flows out through the vent hole (62) and the hose (63), a piston rod (49) connected with the upper part is driven by a piston (56) to pass through the circular through hole (61) to ascend, the pressing block (50) can be placed in a square through hole (51), the gas enters the upper cavity (59) through the hose (63) and the vent hole (62), and the gas in the lower cavity (59) flows out through the vent hole (6) and the hose (64), a piston (56) drives a connecting piston rod (49) connected with the upper part to pass through a circular through hole (51) to drive a pressing block (50) to descend, the pressing block (50) is pressed on a metal inner circular ring (6) of the roller for the combined elevator, the roller is fixed, the other surface of the circular ring type on the roller is processed by an end mill, and after the processing is finished, the removable roller (1) is operated reversely;

(4) clamping a left step (68) on a lathing mandrel clamp (67) by using a three-jaw chuck, installing an inner circular ring hole (8) of a metal frame at the outer side of a positioning step (72), sleeving an elliptical metal ring (9) on a circular shaft (71), placing a metal circular pressing plate (74) with a circular through hole (75) and a threaded step (73) at the outer side of a threaded step (73), screwing a nut (76) into the threaded step (73) and pressing tightly, opening a lathe to enable the lathe to rotate at a high speed after the installation is finished, and machining an outer circular diameter (2-1) on an annular nylon outer frame by using a lathe tool to obtain an outer circular arc (2-1) of the annular nylon outer frame, which is coaxial with the inner circular ring hole (8) of the frame and has good roughness, so that a steel cable rotates smoothly when the steel cable rotates in an arc and is always in the middle of the arc (2-1), thereby saving a large amount of manufacturing time and cost;

(5) a movable base (79) provided with a heat-insulation insulating base (86-1), a heating resistance wire (87) and an elastic red copper electrode (85-1) is placed into a concrete supporting seat (78) poured on the ground (37) and is contacted with a power supply (85) fixed on the inner end face of the concrete supporting seat (78), the elastic red copper electrode (85-1) and the power supply (85) play a role of buffering and resetting when in contact, a metal sliding rod (82) in a metal round sleeve (81) is inserted into a counter bore (83) on the ground (37) to fix the movable base (79), the resistance wire (87) is electrified to heat water in a rectangular metal water tank (84) on the concrete supporting seat (78), the water is placed into a combined type elevator roller to be heated for 48 hours when the temperature reaches 85 ℃, if the resistance wire (87) is damaged, the metal sliding rod (82) is pulled out, the movable base (79) is moved out, and the movable base (87) can be quickly replaced, the temperature of water in the rectangular metal water tank (84) is not influenced;

(6) connecting a direct current motor (104) with a storage battery (103), driving a gear (106) to rotate by a rotating shaft of the direct current motor (104), driving a gear (107) to rotate by the gear (106), driving a roller (1) on a step cylindrical spring sleeve (102) to rotate in an X-axis direction by the gear (107), closing a bin door (115) of a vacuum coating device, vacuumizing the bin door by an air suction pump (95) through an air outlet pipeline (94), connecting a power supply of an alternating current motor (96), driving the fixed roller (1) fixed on an L-shaped metal supporting block (98) to rotate in a Z-axis direction by the rotating shaft of the alternating current motor, connecting a power supply of a tungsten filament evaporation source (92), suspending an antirust metal material on the tungsten filament evaporation source (92) in a vacuum coating bin (91), and stretching the composite elevator roller (1) which forms a motion track by high-speed rotation of the X-axis and the Z-axis, And (2) extending, stretching the liquid antirust metal material into a curve shape, interweaving and covering the liquid antirust metal material on the surface of the combined type elevator roller (1) for cooling, forming a covering with strength far higher than that formed by other methods on the surface of the combined type elevator roller (1), stretching and shrinking the curve antirust metal material in a trace amount, closing a power supply of a tungsten filament evaporation source (92), closing a power supply of an air suction pump (95), closing an alternating current motor, opening a power supply of an air inlet valve (93), introducing air into a vacuum coating bin (91), opening a bin gate (115), cutting off the power supply of a direct current motor (104) and a storage battery (103), reversely rotating a bolt to enable a conical plug (111) to move outwards, enabling the combined type elevator roller (1) to be loosened on a step cylindrical spring sleeve (102), and taking out the combined type elevator roller (1).