CN111589665B - Metal pipe inner wall plastic spraying equipment and method - Google Patents
Metal pipe inner wall plastic spraying equipment and method Download PDFInfo
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- CN111589665B CN111589665B CN202010488165.3A CN202010488165A CN111589665B CN 111589665 B CN111589665 B CN 111589665B CN 202010488165 A CN202010488165 A CN 202010488165A CN 111589665 B CN111589665 B CN 111589665B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/06—Storage, supply or control of the application of particulate material; Recovery of excess particulate material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/005—Apparatus specially designed for applying particulate materials to the inside of hollow work
- B05C19/007—Apparatus specially designed for applying particulate materials to the inside of hollow work for applying the particulate materials to the inside of hollow tubes
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Abstract
The invention discloses a metal pipe inner wall plastic spraying device and a method, wherein the metal pipe inner wall plastic spraying device comprises a base, a powder suction recovery mechanism, a swing arm type material supporting mechanism and a high-pressure powder supply mechanism are sequentially arranged on the base from one end to the other end along the horizontal direction, the high-pressure powder supply mechanism is used for providing high-pressure plastic spraying powder to the inner wall of a metal pipe to be sprayed from one end of the metal pipe to be sprayed, the powder suction recovery mechanism is used for sucking and recovering redundant high-pressure plastic spraying powder provided by the high-pressure powder supply mechanism from the other end of the metal pipe to be sprayed, and the swing arm type material supporting mechanism is used for providing the metal pipe to be sprayed to the high-pressure powder supply mechanism and transferring the metal pipe after plastic spraying; the invention not only greatly reduces manual operation, but also can quickly finish the internal plastic spraying operation of the metal pipe, saves time and labor, greatly improves the production efficiency, and can suck and recover redundant plastic powder by the powder sucking and recovering mechanism while carrying out internal plastic spraying on the metal pipe, thereby saving resources and preventing environmental pollution.
Description
Technical Field
The disclosure relates to the technical field of metal inner plastic pipe production, in particular to a metal pipe inner wall plastic spraying device and method.
Background
The metal inner plastic pipe takes a seamless metal pipe and a welded metal pipe as base pipes, and the inner wall of the metal inner plastic pipe is coated with high-adhesion, anti-corrosion and food-grade sanitary polyethylene powder coating or epoxy resin coating. The metal inner plastic pipe keeps the rigidity and the strength of the traditional metal pipe, and the metal inner plastic pipe is better than a plastic pipe and an aluminum plastic pipe. The metal inner plastic pipe has the characteristics of smooth inner wall, small friction resistance and no scale, and the outer wall of the metal inner plastic pipe is more beautiful and luxurious. The metal inner plastic pipe has light weight, good toughness, impact resistance and high compression strength, and has wider application temperature of-30 deg.c to 100 deg.c. The connection mode of the metal internal plastic pipe and the pipe fitting can adopt various modes such as wire twisting, socket joint, flanges, grooves, welding and the like, and labor is saved. The difference of the thermal expansion coefficients of the connecting part of the client is small, and the method is safer and more reliable. The metal inner plastic pipe has reasonable price performance ratio and low comprehensive cost, and is more economical than copper pipes and stainless steel pipes.
However, mould pipe in present metal when processing, generally adopt the manual work to control, need be moved, hold in the palm by manual work, adopt moreover on the inner wall spraying plastics technique and inhale whitewashed equipment, rely on the fan to inhale the powder and carry out the spraying plastics, can't retrieve unnecessary moulding powder, waste time and energy, production efficiency is very low.
Therefore, it is necessary to develop a new apparatus for spraying plastics on the inner wall of a metal pipe.
Disclosure of Invention
In view of the above, the invention provides a metal pipe inner wall plastic spraying device and method, which not only greatly reduce manual operation, but also can quickly complete inner plastic spraying operation of the metal pipe, save time and labor, and greatly improve production efficiency.
In order to achieve the purpose, the invention provides a metal pipe inner wall plastic spraying device which comprises a base, wherein a powder suction recovery mechanism, a swing arm type material supporting mechanism and a high-pressure powder supplying mechanism are sequentially arranged on the base from one end to the other end along the horizontal direction, the high-pressure powder supplying mechanism is used for supplying high-pressure plastic spraying powder to the inner wall of a metal pipe to be sprayed from one end of the metal pipe to be sprayed, the powder suction recovery mechanism is used for sucking and recovering redundant high-pressure plastic spraying powder supplied by the high-pressure powder supplying mechanism from the other end of the metal pipe to be sprayed, and the swing arm type material supporting mechanism is used for supplying the metal pipe to be sprayed to the high-pressure powder supplying mechanism and transferring the metal pipe after plastic spraying;
wherein, swing arm formula asks material mechanism is including being the fixed setting of crisscross form inhale powder recovery mechanism and high pressure and supply the activity between the powder mechanism to ask material module and two at least fixed material modules of holding in the palm, fixed material module upper portion of holding in the palm is provided with and is used for lifting the recess of treating the spray plastics tubular metal resonator, the activity ask material module be used for to place on the fixed material module of holding in the palm and treat the spray plastics tubular metal resonator and will accomplish the spray plastics and transfer away, fixed material module of holding in the palm is used for treating the spray plastics tubular metal resonator and provides to hold in the palm and lift the support.
According to one embodiment, the movable material supporting module comprises three groups of swing arm type material supporting frames, the three groups of swing arm type material supporting frames realize synchronous swing through a driving unit, each group of swing arm type material supporting frames comprises a movable material supporting plate, pits for supporting metal pipes are formed in the movable material supporting plate, the number of the pits in each movable material supporting plate is twice that of the grooves in each fixed material supporting module, two ends of the bottom of each movable material supporting plate are respectively provided with a crank arm, the lower end of each crank arm is respectively rotatably arranged at one end of a swing arm, and the other end of each swing arm is rotatably arranged on the driving unit.
According to one embodiment, the driving unit comprises a middle gear box arranged in the middle of the base, power of the middle gear box is provided by a cycloidal pin gear speed reducer, a side gear box is arranged on one side of the middle gear box, a side support frame is arranged on the other side of the middle gear box, and the other ends of the swing arms of the three sets of swing arm type material supporting frames are respectively and rotatably arranged on the middle gear box, the side gear box and the side support frame; a driving gear and three driven gears are rotatably arranged in the middle gear box and the side gear box, the three driven gears are horizontally and sequentially meshed side by side, and the driving gear is meshed with the middle driven gear of the three driven gears; and power transmission is realized between the driving gear of the middle gear box and the driving gear of the side gear box, between two driven gears outside the middle gear box and the other ends of the two swing arms on the side supporting frame through gear transmission shafts.
According to one embodiment, the fixed material supporting module comprises a fixed material supporting support frame, a fixed material supporting plate is arranged on the upper portion of the fixed material supporting support frame, the groove is formed in the fixed material supporting plate, a pair of rollers is rotatably arranged on the fixed material supporting plate, and the lower end portion of the groove is located on a symmetry line of the pair of rollers.
According to one embodiment, the bottom of the fixed material supporting plate is provided with a mounting seat, a worm is vertically arranged in the middle of the bottom of the mounting seat, a through hole allowing the worm to penetrate is formed in the upper portion of the fixed material supporting frame, a turbine matched with the worm is arranged on the fixed material supporting frame and located below the through hole, a driven sprocket is arranged at the outer end of a rotating shaft of the turbine, a worm and gear speed reducer is arranged on the base, an output shaft of the worm and gear speed reducer is horizontally arranged on the base through a shaft seat, a driving sprocket matched with the driven sprocket is arranged on the output shaft, and transmission is performed between the driving sprocket and the driven sprocket.
According to an embodiment, inhale powder and retrieve mechanism including setting up first supporting station on the base, set up first horizontal guide holder on the first supporting station, it is provided with first guide bar to slide in the first horizontal guide holder, set up first base of sliding on the first guide bar, it inhales the powder recovery module to be provided with the negative pressure on the first base of sliding, set up first automatic telescopic link on the first supporting station, the free end of first automatic telescopic link is fixed to be set up on the first base of sliding.
According to one embodiment, the negative pressure powder suction recovery module comprises a powder suction recovery pipe arranged on the first sliding base, a first centrifugal impeller is arranged at the inner end of the powder suction recovery pipe, a first driving wheel used for driving the first centrifugal impeller is arranged on the first centrifugal impeller, and a first driving motor used for driving the first driving wheel is arranged on the powder suction recovery pipe.
According to one embodiment, the high-pressure powder supply mechanism comprises a second support table arranged on the base, a second transverse guide seat is arranged on the second support table, a second guide rod is arranged in the second transverse guide seat in a sliding mode, a second sliding base is arranged on the second guide rod, a high-pressure powder spraying module is arranged on the second sliding base, a second automatic telescopic rod is arranged on the second support table, and the free end of the second automatic telescopic rod is fixedly arranged on the second sliding base.
According to one embodiment, the high-pressure powder spraying module comprises a high-pressure powder spraying pipe arranged on the second sliding base, the high-pressure powder spraying pipe is communicated with the powder supply box, a second centrifugal impeller is arranged at the inner end of the high-pressure powder spraying pipe, a second driving wheel used for driving the second centrifugal impeller is arranged on the second centrifugal impeller, and a second driving motor used for driving the second driving wheel is arranged on the high-pressure powder spraying pipe.
According to an embodiment, the present invention also provides a method for spraying plastic on an inner wall of a metal pipe, comprising the steps of:
s1, according to the diameter of the metal pipe to be subjected to plastic spraying, the worm gear speed reducer is started to drive the fixed material supporting plate to carry out height adjustment, and the metal pipe to be subjected to plastic spraying is ensured to be positioned on the axes of the powder suction recovery pipe and the high-pressure powder spraying pipe when being placed on the fixed material supporting plate;
s2, the first automatic telescopic rod and the second automatic telescopic rod are synchronously retracted to drive the negative pressure powder suction recovery module on the powder suction recovery mechanism and the high pressure powder spraying module on the high pressure powder supply mechanism to synchronously retract outwards;
s3, the three groups of swing arm type material supporting frames of the movable material supporting module rotate under the synchronous driving of the driving unit, so that the movable material supporting plate places the metal pipe to be sprayed on the fixed material supporting plate, and simultaneously the metal pipe after the plastic spraying is rotated out of the fixed material supporting plate;
s4, the first automatic telescopic rod and the second automatic telescopic rod synchronously extend inwards to drive the negative pressure powder suction recovery module on the powder suction recovery mechanism and the high-pressure powder spraying module on the high-pressure powder supply mechanism to synchronously extend outwards and inwards, so that the powder suction recovery pipe is connected to one end of the metal pipe to be sprayed with plastic, and the high-pressure powder spraying pipe is connected to the other end of the metal pipe to be sprayed with plastic;
s5, the first driving motor and the second driving motor work synchronously, and the plastic spraying powder completes high-pressure plastic spraying operation on the inner wall of the metal pipe under the combined action of the high-pressure powder spraying pipe and the powder suction recovery pipe while the metal pipe to be subjected to plastic spraying is driven to rotate.
The technical scheme of the invention has the following beneficial effects:
the invention aims at the problems that in the prior art, the metal inner plastic pipe is generally manually operated during processing, the metal inner plastic pipe needs to be manually moved and supported, powder absorption equipment is adopted on the inner wall plastic spraying technology, powder is absorbed by a fan for plastic spraying, redundant plastic powder cannot be recovered, time and labor are wasted, and the production efficiency is very low. The powder spraying equipment comprises a base, a powder suction recovery mechanism, a swing arm type material supporting mechanism and a high-pressure powder supplying mechanism, wherein the powder suction recovery mechanism, the swing arm type material supporting mechanism and the high-pressure powder supplying mechanism are sequentially arranged on the base from one end to the other end along the horizontal direction, the high-pressure powder supplying mechanism is used for supplying high-pressure spraying powder to the inner wall of the metal pipe to be sprayed, the powder suction recovery mechanism is used for sucking and recovering redundant high-pressure spraying powder supplied by the high-pressure powder supplying mechanism from the other end of the metal pipe to be sprayed, and the swing arm type material supporting mechanism is used for supplying the metal pipe to be sprayed to the high-pressure powder supplying mechanism and transferring the metal pipe after spraying; in addition, swing arm formula support material mechanism is including being the fixed movable material module and two at least fixed material modules that support that set up between inhaling powder recovery mechanism and high pressure powder supply mechanism of crisscross form, and fixed material module upper portion of supporting is provided with the recess that is used for lifting the metal pipe of treating the spraying plastics, and movable material module is used for placing the metal pipe of treating the spraying plastics and will accomplish the metal pipe of spraying plastics and pass on away to fixed material module that supports, and fixed material module that supports is used for treating the metal pipe of spraying plastics and provides the support of lifting.
When the inner wall of the metal pipe is sprayed with plastic, firstly, the fixed material supporting plate is driven to adjust the height by starting the worm gear speed reducer according to the diameter of the metal pipe to be sprayed with plastic, so that the metal pipe to be sprayed with plastic is positioned on the axes of the powder suction recovery pipe and the high-pressure powder spraying pipe when being placed on the fixed material supporting plate; then, the first automatic telescopic rod and the second automatic telescopic rod synchronously retract to drive the negative pressure powder suction recovery module on the powder suction recovery mechanism and the high-pressure powder spraying module on the high-pressure powder supply mechanism to synchronously retract outwards; then, three groups of swing arm type material supporting frames of the movable material supporting module rotate under the synchronous driving of the driving unit, so that the movable material supporting plate places the metal pipe to be sprayed on the fixed material supporting plate, and simultaneously the metal pipe after the plastic spraying is finished is rotated out of the fixed material supporting plate; then, the first automatic telescopic rod and the second automatic telescopic rod synchronously extend inwards to drive the negative-pressure powder suction recovery module on the powder suction recovery mechanism and the high-pressure powder spraying module on the high-pressure powder supply mechanism to synchronously extend outwards and inwards, so that the powder suction recovery pipe is connected to one end of the metal pipe to be sprayed with plastic, and the high-pressure powder spraying pipe is connected to the other end of the metal pipe to be sprayed with plastic; and finally, the first driving motor and the second driving motor work synchronously, and the plastic spraying powder finishes the high-pressure plastic spraying operation on the inner wall of the metal pipe under the combined action of the high-pressure powder spraying pipe and the powder suction recovery pipe while driving the metal pipe to be subjected to plastic spraying to rotate. The invention not only greatly reduces manual operation, but also can quickly finish the internal plastic spraying operation of the metal pipe, saves time and labor, greatly improves the production efficiency, and can suck and recover redundant plastic powder by the powder sucking and recovering mechanism while carrying out internal plastic spraying on the metal pipe, thereby saving resources and preventing environmental pollution.
Drawings
FIG. 1 is a schematic front view of a plastic spraying apparatus for inner wall of a metal pipe according to the present invention;
FIG. 2 is a schematic top view of the structure of a plastic spraying apparatus for inner wall of a metal tube according to the present invention;
FIG. 3 is a schematic perspective view of a plastic spraying apparatus for inner wall of a metal tube according to the present invention;
FIG. 4 is a schematic structural perspective view of a movable material supporting module according to the present invention;
FIG. 5 is a schematic view of the internal gear arrangement of the intermediate gearbox and the side gearbox of the present invention;
FIG. 6 is a schematic structural view of a fixed material supporting module according to the present invention;
FIG. 7 is a schematic structural view of a powder sucking and recovering mechanism according to the present invention;
FIG. 8 is a schematic structural view of a high-pressure powder supply mechanism according to the present invention;
reference numerals:
a base 1000; a worm gear reducer 1100; an output shaft 1200; a shaft seat 1300; a drive sprocket 1400;
a dust suction recovery mechanism 2000; a first support table 2100; a first lateral guide seat 2200; a first guide bar 2300; a first slide mount 2400; a negative pressure powder suction recovery module 2500; a dust suction recovery pipe 2510; a first centrifugal impeller 2520; a first drive wheel 2530; a first drive motor 2540; a first automatic telescoping pole 2600;
a swing arm type material supporting mechanism 3000; a movable material supporting module 3100; a swing arm type material support frame 3110; a movable retainer plate 3111; a pit 3112; a crank arm 3113; a swing arm 3114; a drive gear 3101; a driven gear 3102; a drive unit 3120; an intermediate gear case 3121; a cycloidal-pin gear speed reducer 3122; a side gear case 3123; a side support 3124; a gear transmission shaft 3125; a fixed material holding module 3200; grooves 3201; a fixed material supporting frame 3210; a fixed retainer plate 3220; a roller 3230; a mount 3240; a worm 3250; a turbine 3260; a shaft 3261; a driven sprocket 3262;
a high-pressure powder supply mechanism 4000; a second support 4100; a second lateral guide housing 4200; the second guide bar 4300; a second glide base 4400; a high voltage powder spray module 4500; a high-pressure powder spraying pipe 4510; a powder supply box 4520; a second centrifugal impeller 4530; a second drive wheel 4540; a second drive motor 4550; a second automatic expansion link 4600;
further features of the present invention will become apparent from the following description of exemplary embodiments with reference to fig. 1 to 8.
Detailed Description
A metal pipe inner wall injection molding apparatus according to the present disclosure is described below with reference to fig. 1 to 8, but it should be understood that the embodiments described below are only exemplary and are not intended to limit the present disclosure to the following exemplary embodiments.
Mould pipe in present metal and adopt the manual work to control usually man-hour, need be moved, hold in the palm by artifical manual, adopt moreover on inner wall spraying plastics technique and inhale whitewashed equipment, rely on the fan to inhale the powder and carry out the spraying plastics, can't retrieve unnecessary moulding powder, waste time and energy, production efficiency is very low. Therefore, the invention provides a metal pipe inner wall plastic spraying device, which adopts the swing arm type material supporting mechanism to provide a metal pipe to be subjected to plastic spraying to the high-pressure powder supply mechanism and transfer the metal pipe subjected to plastic spraying, and utilizes the cooperative work of the powder suction recovery mechanism and the high-pressure powder supply mechanism to realize the rapid plastic spraying operation on the inner wall of the metal pipe to be subjected to plastic spraying, thereby greatly reducing the manual operation, being capable of rapidly completing the inner plastic spraying operation of the metal pipe, saving time and labor and greatly improving the production efficiency.
Specifically referring to fig. 1, fig. 2 and fig. 3, a metal pipe inner wall plastic spraying apparatus according to an embodiment of the present disclosure is described, which includes a base 1000, a powder suction recovery mechanism 2000, a swing arm type material supporting mechanism 3000 and a high pressure powder supplying mechanism 4000 that are sequentially disposed from one end to the other end of the base 1000 along a horizontal direction, where the high pressure powder supplying mechanism 4000 is configured to provide high pressure plastic spraying powder to an inner wall of a metal pipe to be plastic sprayed, the powder suction recovery mechanism 2000 is configured to suction and recover redundant high pressure plastic spraying powder provided by the high pressure powder supplying mechanism 4000 from the other end of the metal pipe to be plastic sprayed, and the swing arm type material supporting mechanism 3000 is configured to provide the metal pipe to be plastic sprayed to the high pressure powder supplying mechanism 4000 and transfer the metal pipe subjected to plastic spraying.
Wherein, swing arm formula asks material mechanism 3000 to be in including being the fixed setting of crisscross form inhale powder recovery mechanism 2000 and high pressure and supply the activity between powder mechanism 4000 to hold in the palm material module 3100 and four fixed material modules 3200 of holding in the palm, fixed material module 3200 upper portion of holding in the palm is provided with and is used for lifting the recess 3201 of treating the tubular metal resonator of spraying plastics, activity ask material module 3100 be used for to place on the fixed material module 3200 of holding in the palm and treat the tubular metal resonator of spraying plastics and will accomplish the tubular metal resonator of spraying plastics and shift on away, fixed material module 3200 of holding in the palm is used for treating the tubular metal resonator of spraying plastics and provides to lift the support.
In this embodiment, the number of the fixed material supporting modules 3200 is 4, and obviously, the number of the fixed material supporting modules 3200 can also be configured reasonably according to the length of the metal pipe to be sprayed, for example, the number of the fixed material supporting modules 3200 is set to 2, 3, 5, 6, etc., but at least 2 modules are required to ensure stable lifting of the metal pipe to be sprayed.
According to an embodiment, as shown in fig. 4, the movable material supporting module 3100 includes three sets of swing arm type material supporting frames 3110, the three sets of swing arm type material supporting frames 3110 are synchronously swung by a driving unit 3120, each set of swing arm type material supporting frame 3110 includes a movable material supporting plate 3111, pits 3112 for supporting metal pipes are formed on the movable material supporting plate 3111, the number of the pits 3112 on each movable material supporting plate 3111 is twice as large as the number of the grooves 3201 on each fixed material supporting module 3200, two ends of the bottom of the movable material supporting plate 3111 are respectively provided with a crank arm 3113, the lower end of each crank arm 3113 is respectively rotatably disposed at one end of a swing arm 3114, and the other end of the swing arm 3114 is rotatably disposed on the driving unit 3120.
According to an embodiment, as shown in fig. 4, the driving unit 3120 includes an intermediate gear case 3121 disposed at a middle portion of the base 1000, the power of the intermediate gear case 3121 is provided by a cycloidal pin gear reducer 3122, a side gear case 3123 is disposed at one side of the intermediate gear case 3121, a side support frame 3124 is disposed at the other side of the intermediate gear case 3121, and the other ends of the swing arms 3114 of the three sets of swing arm type holders 3110 are respectively rotatably disposed on the intermediate gear case 3121, the side gear case 3123 and the side support frame 3124; as shown in fig. 5, a driving gear 3101 and three driven gears 3102 are rotatably arranged in each of the middle gear case 3121 and the side gear case 3123, the three driven gears 3102 are horizontally meshed in sequence side by side, and the driving gear 3101 is meshed with a middle driven gear 3102 of the three driven gears 3102; power transmission is realized between the driving gear 3101 of the middle gear box 3121 and the driving gear 3101 of the side gear box 3123, and between the two driven gears 3102 on the outer side of the middle gear box 3121 and the other ends of the two swing arms 3114 on the side support frame 3124 through a gear transmission shaft 3125.
According to an embodiment, as shown in fig. 6, the fixed material supporting module 3200 includes a fixed material supporting frame 3210, a fixed material supporting plate 3220 is disposed on the upper portion of the fixed material supporting frame 3210, the groove 3201 is disposed on the fixed material supporting plate 3220, a pair of rollers 3230 is rotatably disposed on the fixed material supporting plate 3220, and a lower end of the groove 3201 is located on a symmetry line of the pair of rollers 3230.
According to an embodiment, as shown in fig. 6, an installation seat 3240 is disposed at the bottom of the fixed material supporting plate 3220, a worm 3250 is vertically disposed at a middle position of the bottom of the installation seat 3240, a through hole 3211 allowing the worm 3250 to pass through is disposed at an upper portion of the fixed material supporting frame 3210, a turbine 3260 matched with the worm 3250 is disposed on the fixed material supporting frame 3210 and below the through hole, a driven sprocket 3262 is disposed at an outer end of a rotating shaft 3261 of the turbine 3260, a worm and gear reducer 1100 is disposed on the base 1000, an output shaft 1200 of the worm and gear reducer 1100 is horizontally disposed on the base 1000 through a shaft seat 1300, a driving sprocket 1400 matched with the driven sprocket 3262 is disposed on the output shaft 1200, and transmission is performed between the driving sprocket 1400 and the driven sprocket 3262.
According to an embodiment, as shown in fig. 7, the powder sucking and recovering mechanism 2000 includes a first supporting platform 2100 disposed on the base 1000, a first transverse guiding seat 2200 is disposed on the first supporting platform 2100, a first guiding rod 2300 is slidably disposed in the first transverse guiding seat 2200, a first sliding base 2400 is disposed on the first guiding rod 2300, a negative pressure powder sucking and recovering module 2500 is disposed on the first sliding base 2400, a first automatic telescopic rod 2600 is disposed on the first supporting platform 2100, and a free end of the first automatic telescopic rod 2600 is fixedly disposed on the first sliding base 2400.
According to an embodiment, as shown in fig. 7, the negative pressure dust suction recovery module 2500 includes a dust suction recovery pipe 2510 disposed on the first sliding base 2400, a first centrifugal impeller 2520 is disposed at an inner end of the dust suction recovery pipe 2510, a first driving wheel 2530 for driving the first centrifugal impeller 2520 is disposed on the first centrifugal impeller 2520, and a first driving motor 2540 for driving the first driving wheel 2530 is disposed on the dust suction recovery pipe 2510. When the first driving motor 2540 drives the first centrifugal impeller 2520 to work, on one hand, the negative pressure generated by the first centrifugal impeller 2520 is utilized to recycle the redundant plastic powder through the powder suction port of the first centrifugal impeller 2520, and on the other hand, the first centrifugal impeller 2520 is matched with the high-pressure powder supply mechanism 4000 to drive the metal pipe to rotate, so that the inner wall of the metal pipe is sprayed with plastic more efficiently and uniformly.
According to an embodiment, as shown in fig. 8, the high-pressure powder supply mechanism 4000 includes a second support table 4100 disposed on the base 1000, a second transverse guide seat 4200 is disposed on the second support table 4100, a second guide bar 4300 is slidably disposed in the second transverse guide seat 4200, a second sliding base 4400 is disposed on the second guide bar 4300, a high-pressure powder spraying module 4500 is disposed on the second sliding base 4400, a second automatic expansion rod 4600 is disposed on the second support table 4100, and a free end of the second automatic expansion rod 4600 is fixedly disposed on the second sliding base 4400.
According to an embodiment, as shown in fig. 8, the high-pressure powder spraying module 4500 includes a high-pressure powder spraying pipe 4510 disposed on the second sliding base 4400, the high-pressure powder spraying pipe 4510 is communicated with a powder supply tank 4520, a second centrifugal ten-wheel 4530 is disposed at an inner end of the high-pressure powder spraying pipe 4510, a second driving wheel 4540 for driving the second centrifugal impeller 4530 is disposed on the second centrifugal impeller 4530, and a second driving motor 4550 for driving the second driving wheel 4540 is disposed on the high-pressure powder spraying pipe 4510. When the second driving motor 4550 drives the second centrifugal impeller 4530 to work, on one hand, the negative pressure generated by the second centrifugal impeller 4530 is utilized to spray the plastic powder in the powder supply tank 4520 onto the inner wall of the metal pipe through the powder spraying port of the second centrifugal impeller 4530 at high pressure, and on the other hand, the second centrifugal impeller 4530 is matched with the powder suction port of the first centrifugal impeller 2520 of the negative pressure powder suction recovery module 2500 to drive the metal pipe to rotate, so that the inner wall of the metal pipe is sprayed with plastic more efficiently and uniformly.
According to an embodiment, the present invention also provides a method for spraying plastic on an inner wall of a metal pipe, comprising the steps of:
s1, according to the diameter of the metal pipe to be sprayed, the worm gear speed reducer 1100 is started to drive the fixed material supporting plate 3220 to adjust the height, so that the metal pipe to be sprayed is positioned on the axes of the powder suction recovery pipe 2510 and the high-pressure powder spraying pipe 4510 when being placed on the fixed material supporting plate 3220;
s2, the first automatic expansion link 2600 and the second automatic expansion link 4600 contract synchronously to drive the negative pressure powder suction recovery module 2500 on the powder suction recovery mechanism 2000 and the high pressure powder spraying module 4500 on the high pressure powder supply mechanism 4000 to contract synchronously outwards;
s3, the three groups of swing arm type material supporting frames 3110 of the movable material supporting module 310 rotate under the synchronous drive of the driving unit 3120, so that the movable material supporting plate 3111 places the metal pipe to be sprayed on the fixed material supporting plate 3220, and simultaneously rotates the metal pipe after the spraying out of the fixed material supporting plate 3220;
s4, the first automatic expansion link 2600 and the second automatic expansion link 4600 extend inward synchronously to drive the negative pressure powder suction recovery module 2500 on the powder suction recovery mechanism 2000 and the high pressure powder spraying module 4500 on the high pressure powder supply mechanism 4000 to extend outward synchronously and inward synchronously, so that the powder suction recovery pipe 2510 is connected to one end of the metal pipe to be sprayed with plastic, and the high pressure powder spraying pipe 4510 is connected to the other end of the metal pipe to be sprayed with plastic;
s5, the first driving motor 2540 and the second driving motor 4550 work synchronously, and when the metal pipe to be sprayed is driven to rotate, the spraying powder completes high-pressure spraying operation on the inner wall of the metal pipe under the combined action of the high-pressure powder spraying pipe 4510 and the powder suction recovery pipe 2510.
In addition, in order to realize that the inner wall plastic spraying is carried out immediately after the metal pipe is heated and realize the seamless connection of the metal pipe heating and the inner wall spraying, a high-temperature furnace can be arranged at the rear part of the base, a chain type conveying belt is arranged in the high-temperature furnace, and meanwhile, the output end of the connecting type conveying belt is arranged beside the fixed material supporting module, so that the metal pipe which is heated by the swing arm type material supporting frame is conveniently transferred to the fixed material supporting module, and further the subsequent inner wall plastic spraying operation is carried out.
In addition, in order to further realize the recovery and cyclic utilization of unnecessary moulding powder, set up on the base and inhale powder recovery pipeline, the one end of inhaling powder recovery pipeline is linked together with the powder recovery pipe that inhales of powder recovery module of negative pressure, the other end of inhaling powder recovery pipeline is linked together with dust removal mechanism, and utilize dust removal mechanism's pulse bag filter to filter absorptive moulding powder, the moulding powder after the filtration imports the confession powder case that the high pressure supplied powder mechanism once more through the recovery fill, thereby accomplish the cyclic recovery of whole moulding powder and recycle, and simultaneously, greatly reduced the production of dust, the environment of optimization, the powder dust pollution has effectively been avoided to environment and staff health and bodily injury.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The metal pipe inner wall plastic spraying equipment is characterized by comprising a base (1000), wherein a powder suction recovery mechanism (2000), a swing arm type material supporting mechanism (3000) and a high-pressure powder supply mechanism (4000) are sequentially arranged on the base (1000) from one end to the other end along the horizontal direction, the high-pressure powder supply mechanism (4000) is used for providing high-pressure plastic spraying powder to the inner wall of a metal pipe to be sprayed from one end of the metal pipe to be sprayed, the powder suction recovery mechanism (2000) is used for sucking and recovering redundant high-pressure plastic spraying powder provided by the high-pressure powder supply mechanism (4000) from the other end of the metal pipe to be sprayed, and the swing arm type material supporting mechanism (3000) is used for providing the metal pipe to be sprayed to the high-pressure powder supply mechanism (4000) and transferring the metal pipe after plastic spraying;
swing arm formula holds in palm material mechanism (3000) including being fixed the setting of crisscross form inhale movable material module (3100) and two at least fixed material modules (3200) that hold in the palm between powder recovery mechanism (2000) and the high pressure powder supply mechanism (4000), fixed material module (3200) upper portion of holding in the palm is provided with recess (3201) that are used for lifting the metal pipe that treats spraying plastics, movable material module (3100) be used for to place on fixed material module (3200) and treat the metal pipe that sprays plastics and forward away the metal pipe that will accomplish spraying plastics, movable material module (3100) includes three sets of swing arm formula work of holding in the palm work of work or material rest (3110), and three sets of swing arm formula work of holding in the palm work or material rest (3110) realize synchronous swing by a drive unit (3110), and every set of swing arm formula work or material rest (3110) includes activity material board (3111), set up on the activity material board (3111) and be used for holding in the pit (3112) of lifting the metal pipe, the twice quantity of pit (3112) on every activity material support plate (3111) is in every fixed material module (3200 that holds in the support of every fixed material module (3200) ) The number of the grooves (3201) is increased, two ends of the bottom of the movable retainer plate (3111) are respectively provided with a crank arm (3113), the lower end of each crank arm (3113) is respectively rotatably arranged at one end of a swing arm (3114), and the other end of each swing arm (3114) is rotatably arranged on the driving unit (3120);
the fixed material supporting module (3200) is used for providing lifting support for a metal pipe to be subjected to plastic spraying, the fixed material supporting module (3200) comprises a fixed material supporting frame (3210), a fixed material supporting plate (3220) is arranged at the upper part of the fixed material supporting frame (3210), a groove (3201) is formed in the fixed material supporting plate (3220), a pair of rollers (3230) is rotatably arranged on the fixed material supporting plate (3220), and the lower end part of the groove (3201) is positioned on a symmetrical line of the pair of rollers (3230);
the driving unit (3120) comprises a middle gear box (3121) disposed in the middle of the base (1000), the middle gear box (3121) is powered by a cycloidal pin gear reducer (3122), one side of the middle gear box (3121) is provided with a side gear box (3123), the other side of the middle gear box (3121) is provided with a side support frame (3124), and the other ends of the swing arms (3114) of the three sets of swing arm type material holders (3110) are respectively rotatably disposed on the middle gear box (3121), the side gear box (3123) and the side support frame (3124); a driving gear (3101) and three driven gears (3102) are rotatably arranged in the middle gear box (3121) and the side gear box (3123), the three driven gears (3102) are horizontally meshed in parallel in sequence, and the driving gear (3101) is meshed with the middle driven gear (3102) of the three driven gears (3102); and power transmission is realized between a driving gear (3101) of the middle gear box (3121) and a driving gear (3101) of the side gear box (3123) and between two driven gears (3102) on the outer side of the middle gear box (3121) and the other ends of two swing arms (3114) on the side support frame (3124) through a gear transmission shaft (3125).
2. The metal pipe inner wall plastic spraying equipment according to claim 1, wherein a mounting seat (3240) is arranged at the bottom of the fixed material supporting plate (3220), a worm (3250) is vertically arranged at the middle position of the bottom of the mounting seat (3240), a through hole (3211) allowing the worm (3250) to pass through is formed in the upper portion of the fixed material supporting frame (3210), a turbine (3260) matched with the worm (3250) is arranged on the fixed material supporting frame (3210) and below the through hole, a driven sprocket (3262) is arranged at the outer end of a rotating shaft (3261) of the turbine (3260), a worm and gear reducer (1100) is arranged on the base (1000), an output shaft (1200) of the worm and gear reducer (1100) is horizontally arranged on the base (1000) through a shaft seat (1300), and a driving sprocket (1400) matched with the driven sprocket (3262) is arranged on the output shaft (1200), the driving chain wheel (1400) and the driven chain wheel (3262) are driven by a transmission chain.
3. The metal pipe inner wall plastic spraying equipment of claim 1, wherein the powder sucking and recovering mechanism (2000) comprises a first supporting platform (2100) arranged on the base (1000), a first transverse guide seat (2200) is arranged on the first supporting platform (2100), a first guide rod (2300) is arranged in the first transverse guide seat (2200) in a sliding mode, a first sliding base (2400) is arranged on the first guide rod (2300), a negative pressure powder sucking and recovering module (2500) is arranged on the first sliding base (2400), a first automatic telescopic rod (2600) is arranged on the first supporting platform (2100), and the free end of the first automatic telescopic rod (2600) is fixedly arranged on the first sliding base (2400).
4. The metal pipe inner wall plastic spraying equipment according to claim 3, wherein the negative pressure powder suction recovery module (2500) comprises a powder suction recovery pipe (2510) arranged on the first sliding base (2400), a first centrifugal impeller (2520) is arranged at the inner end of the powder suction recovery pipe (2510), a first driving wheel (2530) for driving the first centrifugal impeller (2520) is arranged on the first centrifugal impeller (2520), and a first driving motor (2540) for driving the first driving wheel (2530) is arranged on the powder suction recovery pipe (2510).
5. The metal pipe inner wall plastic spraying equipment according to claim 1, wherein the high-pressure powder supply mechanism (4000) comprises a second support table (4100) arranged on the base (1000), a second transverse guide seat (4200) is arranged on the second support table (4100), a second guide rod (4300) is arranged in the second transverse guide seat (4200) in a sliding manner, a second sliding base (4400) is arranged on the second guide rod (4300), a high-pressure powder spraying module (4500) is arranged on the second sliding base (4400), a second automatic telescopic rod (4600) is arranged on the second support table (4100), and a free end of the second automatic telescopic rod (4600) is fixedly arranged on the second sliding base (4400).
6. The metal tube inner wall plastic spraying equipment according to claim 5, characterized in that the high-pressure powder spraying module (4500) comprises a high-pressure powder spraying tube (4510) arranged on the second sliding base (4400), the high-pressure powder spraying tube (4510) is communicated with a powder supply box (4520), a second centrifugal impeller (4530) is arranged at the inner end part of the high-pressure powder spraying tube (4510), a second driving wheel (4540) for driving the second centrifugal impeller (4530) is arranged on the second centrifugal impeller (4530), and a second driving motor (4550) for driving the second driving wheel (4540) is arranged on the high-pressure powder spraying tube (4510).
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| CN202010488165.3A CN111589665B (en) | 2020-05-29 | 2020-05-29 | Metal pipe inner wall plastic spraying equipment and method |
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| CN202010488165.3A CN111589665B (en) | 2020-05-29 | 2020-05-29 | Metal pipe inner wall plastic spraying equipment and method |
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| CN111589665A CN111589665A (en) | 2020-08-28 |
| CN111589665B true CN111589665B (en) | 2021-11-12 |
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| CN115255871B (en) * | 2022-09-22 | 2023-03-24 | 豫新汽车热管理科技有限公司 | Automatic assembling device for condenser plugging cap |
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| CN210333063U (en) * | 2019-06-13 | 2020-04-17 | 河北天创管业有限公司 | Steel pipe internal surface plastic-blasting device |
| CN210592560U (en) * | 2019-08-19 | 2020-05-22 | 成都顺利华自动化设备有限公司 | Automatic pipe unloading frame and automatic pipe bagging equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6019845A (en) * | 1998-04-23 | 2000-02-01 | Nakakoshi; Senkichi | Method for coating inner surfaces of metal tubes with powdery paint and apparatus therefor |
| CN205731899U (en) * | 2016-06-30 | 2016-11-30 | 苏州市永通不锈钢有限公司 | Steel pipe inner wall film covering device |
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| CN111589665A (en) | 2020-08-28 |
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