CN109746144B - Automatic spraying machine for inner and outer walls of steel pipe - Google Patents

Automatic spraying machine for inner and outer walls of steel pipe Download PDF

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Publication number
CN109746144B
CN109746144B CN201910041844.3A CN201910041844A CN109746144B CN 109746144 B CN109746144 B CN 109746144B CN 201910041844 A CN201910041844 A CN 201910041844A CN 109746144 B CN109746144 B CN 109746144B
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China
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spraying
rotating
plate
frame
steel pipe
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CN109746144A (en
Inventor
袁福德
杨立
段小宁
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ZHEJIANG GOLDENWAY LEISURE GOODS MANUFACTORY Ltd.
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Zhejiang Goldenway Leisure Goods Manufactory Ltd
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Abstract

The invention discloses an automatic spraying machine for inner and outer walls of a steel pipe, which belongs to the field of steel pipe spraying equipment and comprises an inner wall spraying mechanism, an outer wall spraying mechanism, a workbench and a rotating mechanism, wherein the inner wall spraying mechanism comprises a first spraying assembly, a second spraying assembly and a material moving assembly, the first spraying assembly and the second spraying assembly respectively comprise a stretching feeding component and a rotating spraying component, the material moving assembly comprises a lifting component, a material moving plate and a material moving component, and the lifting component is arranged at the top of the material moving plate. According to the invention, the inner wall spraying mechanism can extend into the steel pipe and automatically perform uniform spraying operation on the inner wall of the steel pipe, so that the condition that the local inner wall of the steel pipe is not sprayed is avoided, the outer wall spraying mechanism can automatically perform spraying operation on the outer wall of the steel pipe, the automation degree is high, and workers do not need to manually perform spraying operation on the outer wall of the steel pipe.

Description

Automatic spraying machine for inner and outer walls of steel pipe
Technical Field
The invention relates to the field of steel pipe spraying equipment, in particular to an automatic spraying machine for inner and outer walls of a steel pipe.
Background
The traditional finished steel pipe is formed by cold rolling generally, the formed cold-rolled inner and outer walls are not treated by spraying paint generally, in construction projects, the construction period of about 2-3 years is needed from the beginning to the completion, thus, the steel pipe is easy to rust and corrode when being blown by wind, exposed to the sun and rain outdoors, the service life of the steel pipe is greatly shortened, in order to improve the rust-proof capacity of the steel pipe, the current method is to manually spray paint the inner wall and the outer wall of the steel pipe, the labor intensity of the traditional manual spraying mode is high, large labor intensity is brought to workers, and manual spraying operation is difficult to carry out on the inner wall of the pipeline.
The invention discloses an automatic paint spraying device for inner walls of welded pipes, which is disclosed in the patent number CN103008155B, and comprises a rack, wherein a welded pipe stacking rack, an automatic conveying device and an automatic spraying device are sequentially arranged on the rack. The beneficial effects of the invention are: the paint spraying device is convenient to install and simple to operate, when the welded pipe is subjected to paint filling processing, a large amount of labor force is not required to be used for dragging the welded pipe, only one worker is required to monitor the processing process of the system in real time, manpower and material resources are greatly saved, the construction progress is accelerated, the paint can be well canned, the application range is wide, and the welded pipe can be normally sprayed from SC15-SC 50.
However, the above patent still has the following problems in real-life use: firstly, when the device sprays the inner wall of the steel pipe, the paint sprayer of the device cannot extend into the steel pipe, and the paint sprayer cannot spray the whole inner wall of the steel pipe due to the long length of the steel pipe, so that a worker needs to manually perform turn-around spraying on the steel pipe, and extra labor is brought to the worker.
Disclosure of Invention
The invention aims to provide an automatic spraying machine for inner and outer walls of a steel pipe, which aims to solve the technical problems that the whole inner wall of the steel pipe is difficult to spray and the inner wall of the steel pipe cannot be uniformly sprayed in the prior art.
The invention provides an automatic spraying machine for inner and outer walls of a steel pipe, which comprises an inner wall spraying mechanism, an outer wall spraying mechanism, a workbench and a rotating mechanism, the inner wall spraying mechanism and the rotating mechanism are both arranged at the top of the workbench, the outer wall spraying mechanism is arranged below the rotating mechanism, the inner wall spraying mechanism comprises a first spraying component, a second spraying component and a material moving component for driving the first spraying component to horizontally move, the first spraying component and the second spraying component have the same structure and are symmetrically arranged, the first spraying component and the second spraying component both comprise an extension feeding part and a rotary spraying part, the rotary spraying component is arranged on the extension feeding component, the material moving component comprises a lifting component, a material moving plate and a material moving component for driving the material moving plate to move horizontally, and the lifting component is arranged at the top of the material moving plate.
Further, rotatory spraying part is including bearing board, rotatory section of thick bamboo, setting at the mounting panel at bearing board top and be used for driving the rotatory section of thick bamboo reciprocating rotation's of a rotation piece, rotatory section of thick bamboo level sets up on the mounting panel, and is equipped with the bearing between mounting panel and the rotatory section of thick bamboo, it is equipped with the feed liquor pipeline to insert on the rotatory section of thick bamboo, be equipped with the three spraying pipeline that is the circumference and distributes on the feed liquor pipeline, every all be equipped with first spraying mouth on the spraying pipeline.
Furthermore, the rotating part comprises a rotating motor, a rotating gear sleeved on the rotating cylinder and a rack meshed with the rotating gear, the rack is horizontally arranged, a fixed plate and a T-shaped supporting block in sliding fit with the rack are arranged at the top of the supporting plate, a rotating shaft connected with the supporting plate in a rotating mode is inserted into the supporting plate, the rotating motor is installed at the bottom of the supporting plate, an output shaft of the rotating motor is fixedly connected with the rotating shaft, a mounting seat is arranged on the side wall of the rack, a roller connected with the mounting seat in a rotating mode is arranged on the mounting seat, and a cam matched with the roller is sleeved on the rotating shaft.
Further, rotate the piece still including setting up the solid fixed cylinder on the fixed plate lateral wall, be equipped with on the solid fixed cylinder rather than sliding fit's release link, the cover is equipped with reset spring on the release link, reset spring's both ends are contradicted respectively on the lateral wall of rack and solid fixed cylinder.
Further, the extension feeding part comprises an extension part, a connecting seat and a driving part, the connecting seat is hinged with one end of the extension part, the bearing plate is fixed on the side wall of the connecting seat, the extension part comprises two connecting rods which are arranged in a cross manner, a plurality of transmission rods which are arranged in a cross manner are arranged on the two connecting rods, a hinge rod is arranged between every two transmission rods which are arranged in a cross manner, the driving part comprises a stepping motor, a supporting frame and a two-way screw rod which is horizontally arranged on the supporting frame, two feeding blocks which are arranged at intervals are sleeved on the two-way screw rod, two sections of threads with opposite spiral directions are arranged on the two-way screw rod, the two feeding blocks are respectively connected with the two threads, wherein the two connecting rods which are crossed are respectively fixed on the two feeding blocks, the output shaft of the stepping motor is fixedly connected with the, the support frame is provided with two guide rods, and each feeding block can be sleeved on the two guide rods in a sliding manner.
Furthermore, the lifting part comprises two supporting vertical plates arranged at intervals, one end of each of the two supporting vertical plates, which is opposite to the other end, is provided with a guide rail which is vertically arranged, each guide rail is provided with a sliding block which is in sliding fit with the guide rail, a lifting frame which is horizontally arranged is arranged between the two sliding blocks, the support frame is arranged at the top of the lifting frame, the top of the material moving plate is provided with a lifting electric cylinder with an output end which is vertically upward, the output end of the lifting electric cylinder is fixedly connected with the bottom of the lifting frame, the side wall of the lifting frame is provided with a connecting frame, the top of the connecting frame is provided with a limiting slide way, the bottoms of all the hinged rods are slidably arranged in the limiting slide way, the material moving part comprises a material moving motor and two fixing seats arranged at intervals, each fixing seat is provided with a mounting shaft which, every all the cover of installation epaxial is equipped with the synchronizing wheel, two be equipped with synchronous belt between the synchronizing wheel, the bottom of moving the flitch is equipped with the drive board with synchronous belt fixed connection, move the output shaft and one of them installation axle fixed connection of material motor.
Further, slewing mechanism is including primary shaft bearing, bearing bracket and the installation section of thick bamboo of level setting on primary shaft bearing, be equipped with the three-jaw chuck on the lateral wall of installation section of thick bamboo, be equipped with the through-hole on the installation section of thick bamboo, the cover is equipped with driven gear on the installation section of thick bamboo, the top of workstation is equipped with the rotation motor, the cover is equipped with the driving gear with driven gear meshing on the output shaft of rotation motor, the bearing bracket is equipped with two, every all be equipped with the connecting axle on the bearing bracket, every all overlap on the connecting axle and be equipped with rather than the supporting wheel of being connected of rotating.
Further, outer wall spraying mechanism is including rising material subassembly, stoving subassembly, loading board, clout recovery unit and portal frame, stoving subassembly sets up on the lateral wall of loading board, clout recovery unit and portal frame all set up the top at the loading board, be equipped with the double-layered material seat that two intervals set up on the portal frame, be equipped with the ferrule on the double-layered material seat, the both sides of ferrule all are equipped with the installation pole, be equipped with the through-hole that supplies the installation pole to pass through on the double-layered material seat, every all be equipped with the external screw thread on the installation pole and rather than threaded connection's clamp sleeve, be equipped with in the ferrule and spout the material pipeline, it is equipped with second spraying nozzle on the material pipeline to spout.
Further, it including the lead screw slip table that is the backup pad of level setting and two intervals setting to rise the material subassembly, the backup pad sets up the slider top at two lead screw slip tables, the top of backup pad is equipped with the spacing section of thick bamboo that lead screw lift and two intervals set up, every the top of spacing section of thick bamboo all is equipped with rather than sliding fit's slide bar, two the bottom fixed connection of slide bar and portal frame, the bottom of portal frame is equipped with the secondary bearing seat, be equipped with the transmission lead screw on the lead screw lift, the top of transmission lead screw sets up in the secondary bearing seat.
Further, the drying component comprises an I-steel arranged on the side wall of the bearing plate and a U-shaped mounting frame arranged at the top of the I-steel, a first drying pipe is arranged in the U-shaped mounting frame, an L-shaped rotating frame hinged with the U-shaped mounting frame is arranged at the top of one end of the U-shaped mounting frame, a second drying pipe is arranged in the L-shaped rotating frame, a mounting seat is arranged at the top of one end of the I-steel, an adjusting cylinder is arranged on the mounting seat, an extending lug is arranged on the side wall of the L-shaped rotating frame, the output end of the adjusting cylinder is hinged with the extending lug, the excess material recovering component comprises a recovering box arranged at the top of the bearing plate and a material pushing plate vertically arranged in the recovering box, the cross section of the recovering box is of a trapezoidal structure, a vertically arranged rotating shaft is arranged at one end of the bearing plate, a material pushing motor is arranged at the bottom of the bearing plate, the side wall of the material pushing plate is provided with an extending strip which slides with the recycling box, the rotating shaft is sleeved with a first connecting rod, the end part of the extending strip is provided with a second connecting rod which is hinged with the first connecting rod, and the bottom of the recycling box is provided with a recycling pipe communicated with the inside of the recycling box.
Compared with the prior art, the invention has the beneficial effects that:
the spraying device comprises an inner wall spraying mechanism, an outer wall spraying mechanism and a rotating mechanism, wherein the inner wall spraying mechanism can extend into the steel pipe and automatically and uniformly spray the inner wall of the steel pipe, so that the condition that the local inner wall of the steel pipe is not sprayed is avoided, the outer wall spraying mechanism can automatically spray the outer wall of the steel pipe, and the technical problems that the whole inner wall of the steel pipe is difficult to spray and the inner wall of the steel pipe cannot be uniformly sprayed in the prior art are solved.
Secondly, the inner wall spraying mechanism is arranged and comprises a first spraying component, a second spraying component and a material moving component, the first spraying component and the second spraying component respectively comprise a stretching feeding component and a rotary spraying component, and the rotary spraying component can stretch into the steel pipe through the stretching feeding component, so that the first spraying nozzle can spray the inner wall of the steel pipe, and all the inner walls of the steel pipe can be sprayed.
Thirdly, the rotary spraying component is arranged and comprises a bearing plate, a rotary cylinder, a mounting plate and a rotary piece, and the rotary spraying component can drive the three first spraying nozzles to rotate in a reciprocating mode, so that the first spraying nozzles can uniformly spray the inner wall of the steel pipe, and the thickness of paint adhered to the surface of the inner wall of the steel pipe is the same.
Fourthly, the first spraying nozzles can be lifted to a certain height through the lifting component, the axis of the rotary cylinder can be overlapped with the axis of the steel pipe, and the distances between the three first spraying nozzles and the inner wall of the steel pipe are approximately the same.
Fifthly, the lifting component and the stretching and feeding component can move in the horizontal direction through the material moving component, so that the stretching and feeding component does not obstruct feeding and blanking of workers, and the workers can conveniently install and detach the steel pipe.
Sixth, the outer wall spraying mechanism can automatically spray the outer wall of the steel pipe, the automation degree is high, workers do not need to manually spray the outer wall of the steel pipe, the labor intensity of the workers is reduced, the steel pipe can be rotated through the rotating mechanism, and the outer wall spraying mechanism can uniformly spray the outer wall of the steel pipe conveniently.
Seventhly, the outer wall of the steel pipe after being sprayed can be dried through the drying assembly, additional drying operation of workers is not needed, the labor amount of the workers is reduced, the position of the L-shaped rotating frame can be adjusted under the action of the adjusting cylinder, the workers can conveniently load and unload the steel pipe, the adjusting cylinder can drive the extension lug to move when working, the extension lug can drive the L-shaped rotating frame to rotate, the L-shaped rotating frame can rotate to the position above the steel pipe, the first drying pipe and the second drying pipe can simultaneously dry the outer wall of the steel pipe, and the drying efficiency of the steel pipe is improved.
The residual material recycling assembly can collect and recycle redundant paint on the surface of the steel pipe, so that the trouble of cleaning workers caused by the paint dropping on the ground is avoided, and the paint resource is saved by recycling the paint again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view, partly in section, of the present invention;
FIG. 4 is a schematic perspective view of the first spray assembly and the material moving assembly;
FIG. 5 is a partial perspective view of the first embodiment of the present invention;
FIG. 6 is an enlarged view of FIG. 5 at B;
FIG. 7 is a partial perspective view of the second embodiment of the present invention;
FIG. 8 is a schematic partial elevational view of the outer wall spray coating mechanism;
FIG. 9 is a partial perspective view of the outer wall coating mechanism;
FIG. 10 is a schematic view of a partial perspective structure of an outer wall spraying mechanism;
reference numerals:
an inner wall spraying mechanism 1, a first spraying component 1a, a second spraying component 1b, an outer wall spraying mechanism 2, a portal frame 2a, a material clamping seat 2b, a pipe hoop 2c, a mounting rod 2d, a clamping sleeve 2e, a material spraying pipeline 2f, a second spraying nozzle 2g, a workbench 3, a rotating mechanism 4, a first bearing seat 4a, a mounting cylinder 4b, a three-jaw chuck 4c, a driven gear 4d, a rotating motor 4e, a driving gear 4f, a connecting shaft 4g, a supporting wheel 4h, a material moving component 5, a lifting part 5a, a supporting vertical plate 5b, a guide rail 5c, a sliding block 5d, a lifting frame 5e, a lifting electric cylinder 5f, a connecting frame 5g, a limiting slide way 5h, a material moving plate 5i, a material moving part 6, a stretching part 6a, a connecting seat 6a1, a connecting rod 6a2, a driving rod 6a3, a hinge rod 6a4, a driving part 6b and a stepping motor 6b1, a support frame 6b2, a bidirectional screw rod 6b3, a feeding block 6b4, a guide rod 6b5, a rotary spraying component 7, a support plate 7a, a rotary cylinder 7a1, a mounting plate 7a2, a liquid inlet pipeline 7a3, a spraying pipeline 7a4, a first spraying nozzle 7a5, a rotary component 7b, a rotary motor 7b1, a rotary gear 7b2, a rack 7b3, a fixed plate 7b4, a T-shaped support block 7b5, a rotary shaft 7b6, a mounting seat 7b7, a roller 7b8, a cam 7b9, a fixed cylinder 7c, a reset rod 7c1, a reset spring 7c2, a material moving component 8, a material moving motor 8a, a fixed seat 8b, a mounting shaft 8c, a synchronous wheel 8d, a synchronous belt 8e, a driving plate 8f, a material lifting component 9, a support plate 9a, a sliding platform 9b, a screw rod lifter 9c, a bearing 9d, a steel pipe limiting rod component 10 g, a drying rod assembly 10, the drying device comprises I-shaped steel 11a, a U-shaped mounting frame 11b, a first drying pipe 11c, an L-shaped rotating frame 11d, a second drying pipe 11e, a mounting seat 11f, an adjusting cylinder 11g, an extending lug 11h, a residual material recycling assembly 12, a recycling box 12a, a pushing plate 12b, a rotating shaft 12c, a pushing motor 12d, an extending strip 12e, a first connecting rod 12f, a second connecting rod 12g, a recycling pipe 12h and a bearing plate 13.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, an embodiment of the present invention provides an automatic steel pipe inner and outer wall spraying machine, which includes an inner wall spraying mechanism 1, an outer wall spraying mechanism 2, a workbench 3 and a rotating mechanism 4, wherein the inner wall spraying mechanism 1 and the rotating mechanism 4 are both disposed at the top of the workbench 3, the outer wall spraying mechanism 2 is disposed below the rotating mechanism 4, the inner wall spraying mechanism 1 includes a first spraying component 1a, a second spraying component 1b and a material moving component 5 for driving the first spraying component 1a to move horizontally, the first spraying component 1a and the second spraying component 1b have the same structure and are symmetrically disposed, the first spraying component 1a and the second spraying component 1b each include an extending feeding component 6 and a rotating spraying component 7, the rotating spraying component 7 is disposed on the extending feeding component 6, and the material moving component 5 includes a lifting component 5a, a lifting component 5b, a lifting component b, and a rotating component 7 for driving the first spraying component 1a to move horizontally, and a, The material moving plate 5i and the material moving part 8 are used for driving the material moving plate 5i to move horizontally, and the lifting part 5a is arranged at the top of the material moving plate 5 i; the inner wall spraying mechanism 1 can automatically perform uniform spraying operation on the inner wall of the steel pipe 10, the condition that the steel pipe 10 is not sprayed locally is avoided, the first spraying nozzle 7a5 can be stretched into the inner wall of the steel pipe 10 through the stretching and feeding component 6, all the inner walls of the steel pipe 10 can be sprayed, the inner wall of the steel pipe 10 can be uniformly sprayed through the rotary spraying component 7, paint adhered to the surface of the inner wall of the steel pipe 10 is the same, the steel pipe 10 can be rotated through the rotating mechanism 4, the outer wall spraying mechanism 2 can conveniently perform uniform spraying operation on the outer wall of the steel pipe 10, the outer wall spraying mechanism 2 can automatically perform spraying operation on the outer wall of the steel pipe 10, the automation degree is high, manual spraying operation of workers is not needed, and the labor intensity of the workers is reduced.
Specifically, the rotary spraying component 7 includes a supporting plate 7a, a rotary cylinder 7a1, an installation plate 7a2 arranged on the top of the supporting plate 7a, and a rotary member 7b for driving the rotary cylinder 7a1 to rotate in a reciprocating manner, the rotary cylinder 7a1 is horizontally arranged on the installation plate 7a2, a bearing is arranged between the installation plate 7a2 and the rotary cylinder 7a1, a liquid inlet pipe 7a3 is inserted into the rotary cylinder 7a1, three spraying pipes 7a4 distributed circumferentially are arranged on the liquid inlet pipe 7a3, and a first spraying nozzle 7a5 is arranged on each spraying pipe 7a 4; the three first spray nozzles 7a5 distributed circumferentially can perform a spray operation on the inner wall of the workpiece.
Specifically, the rotating member 7b includes a rotating motor 7b1, a rotating gear 7b2 sleeved on the rotating cylinder 7a1, and a rack 7b3 engaged with the rotating gear 7b2, the rack 7b3 is horizontally disposed, the top of the supporting plate 7a is provided with a fixing plate 7b4 and a T-shaped supporting block 7b5 in sliding fit with the rack 7b3, the supporting plate 7a is inserted with a rotating shaft 7b6 rotatably connected therewith, the rotating motor 7b1 is mounted at the bottom of the supporting plate 7a, an output shaft of the rotating motor 7b1 is fixedly connected with the rotating shaft 7b6, a mounting seat 7b7 is disposed on a side wall of the rack 7b3, a roller 7b8 rotatably connected therewith is disposed on the mounting seat 7b7, and a cam 7b9 matched with the roller 7b8 is sleeved on the rotating shaft 7b 6; the inner wall of the steel pipe 10 can be uniformly sprayed by the rotary spraying component 7, so that the paint adhered to the inner wall surface of the steel pipe 10 is the same, the working principle is that the rotary motor 7b1 can drive the rotary shaft 7b6 to rotate when working, the rotary shaft 7b6 can drive the cam 7b9 to rotate around the axis of the rotary shaft 7b6, the cam 7b9 can drive the roller 7b8 matched with the cam to move, the roller 7b8 can drive the mounting seat 7b7 to move, the mounting seat 7b7 can drive the rack 7b3 to reciprocate, the rack 7b3 can drive the rotary gear 7b2 meshed with the rack to rotate, the rotary cylinder 7a1 can rotate around the axis of the rotary cylinder, and the rotary cylinder 7a1 can drive all the first spraying nozzles 7a5 to reciprocate around the axis of the rotary cylinder 7a1, so that the paint adhered to the inner wall surface of the steel pipe 10 is the same.
Specifically, the rotating member 7b further comprises a fixed cylinder 7c arranged on the side wall of the fixed plate 7b4, the fixed cylinder 7c is provided with a reset rod 7c1 in sliding fit with the fixed cylinder 7c, the reset rod 7c1 is sleeved with a reset spring 7c2, and two ends of the reset spring 7c2 respectively abut against the rack 7b3 and the side wall of the fixed cylinder 7 c; the return spring 7c2 is used to urge the rack 7b3 so that the rack 7b3 can reciprocate in the horizontal direction, and the fixed cylinder 7c is used to mount the return lever 7c 1.
Specifically, the stretching and feeding component 6 includes a stretching member 6a, a connecting seat 6a1 and a driving member 6b, the connecting seat 6a1 is hinged to one end of the stretching member 6a, the supporting plate 7a is fixed to a side wall of the connecting seat 6a1, the stretching member 6a includes two connecting rods 6a2 which are arranged in a crossing manner, a plurality of transmission rods 6a3 which are arranged in a crossing manner are arranged on the two connecting rods 6a2, a hinge rod 6a4 is arranged between each two transmission rods 6a3 which are arranged in a crossing manner, the driving member 6b includes a stepping motor 6b1, a supporting frame 6b2 and a bidirectional screw 6b3 which is horizontally arranged on the supporting frame 6b2, two feeding blocks 6b4 which are arranged at intervals are sleeved on the bidirectional screw 6b3, two opposite threads are arranged on the bidirectional screw 6b3, the two feeding blocks 6b4 are respectively connected with the two threads, wherein the two connecting rods 6a2 which are crossed are respectively fixed to the two feeding blocks 4, an output shaft of the stepping motor 6b1 is fixedly connected with the end part of the bidirectional screw rod 6b3, two guide rods 6b5 are arranged on the support frame 6b2, and each feeding block 6b4 can be sleeved on the two guide rods 6b5 in a sliding manner; the first spraying nozzle 7a5 can be extended into the inner wall of the steel pipe 10 by extending the feeding part 6, so that all the inner walls of the steel pipe 10 can be sprayed, the step motor 6b1 can enable the bidirectional screw rod 6b3 to rotate when working, the bidirectional screw rod 6b3 can drive the two feeding blocks 6b4 connected with the bidirectional screw rod to move, the two feeding blocks 6b4 can respectively drive the two connecting rods 6a2 to move relatively or oppositely move, the plurality of transmission rods 6a3 can move, the limiting slide way 5h can limit and support the hinge rod 6a4, the transmission rod 6a3 can be extended towards the inside of the steel pipe 10, the transmission rod 6a3 can drive the connecting seat 6a1 to move, the supporting plate 7a can horizontally move to the inside of the steel pipe 10, and the guide rod 6b5 is used for supporting and guiding the feeding block 6b 4.
Specifically, the lifting part 5a includes two supporting vertical plates 5b arranged at an interval, one end of each of the two supporting vertical plates 5b opposite to each other is provided with a guide rail 5c arranged vertically, each guide rail 5c is provided with a sliding block 5d in sliding fit with the guide rail 5c, a lifting frame 5e arranged horizontally is arranged between the two sliding blocks 5d, the support frame 6b2 is arranged at the top of the lifting frame 5e, the top of the material moving plate 5i is provided with a lifting electric cylinder 5f with an output end vertically upward, the output end of the lifting electric cylinder 5f is fixedly connected with the bottom of the lifting frame 5e, the side wall of the lifting frame 5e is provided with a connecting frame 5g, the top of the connecting frame 5g is provided with a limit slide way 5h, the bottoms of all the hinge rods 6a4 can be arranged in the limit slide way 5h in a sliding manner, the material moving part 8 includes a material moving motor 8a and two fixing seats 8b arranged at an interval, each fixed seat 8b is provided with a mounting shaft 8c rotatably connected with the fixed seat, each mounting shaft 8c is sleeved with a synchronous wheel 8d, a synchronous belt 8e is arranged between the two synchronous wheels 8d, the bottom of the material moving plate 5i is provided with a driving plate 8f fixedly connected with the synchronous belt 8e, and an output shaft of the material moving motor 8a is fixedly connected with one mounting shaft 8 c; the first spraying nozzles 7a5 can be lifted to a certain height through the lifting part 5a, the axis of the rotary cylinder 7a1 can coincide with the axis of the steel pipe 10, the distances between the three first spraying nozzles 7a5 and the inner wall of the steel pipe 10 are approximately the same, the lifting electric cylinder 5f can move the lifting frame 5e when working, the lifting frame 5e can drive the extension feeding part 6 to lift, the limit slideway 5h is used for supporting and limiting the hinged rod 6a4, the transmission rods 6a3 can extend in the length direction of the limit slideway 5h, the lifting part 5a and the extension feeding part 6 can move in the horizontal direction through the material moving part 8, workers can install and detach the steel pipe 10 conveniently, the working principle is that the material moving motor 8a can work to rotate the installation shaft 8c, and the installation shaft 8c can drive the synchronizing wheel 8d to rotate, the timing belt 8e is rotated, and the timing belt 8e moves the driving plate 8f, thereby moving the material moving plate 5i and the lifting member 5a on the top of the material moving plate 5 i.
Specifically, the rotating mechanism 4 comprises a first bearing seat 4a, a bearing bracket and an installation cylinder 4b horizontally arranged on the first bearing seat 4a, a three-jaw chuck 4c is arranged on the side wall of the installation cylinder 4b, a through hole is formed in the installation cylinder 4b, a driven gear 4d is sleeved on the installation cylinder 4b, a rotating motor 4e is arranged at the top of the workbench 3, a driving gear 4f meshed with the driven gear 4d is sleeved on an output shaft of the rotating motor 4e, two bearing brackets are arranged, each bearing bracket is provided with a connecting shaft 4g, and a supporting wheel 4h rotatably connected with each connecting shaft 4g is sleeved on each connecting shaft 4 g; the steel pipe 10 can be rotated through the rotating mechanism 4, the outer wall spraying mechanism 2 can uniformly spray the outer wall of the steel pipe 10 conveniently, the working principle is that the rotating motor 4e works to drive the driving gear 4f to rotate, the driving gear 4f can drive the driven gear 4d meshed with the driving gear to rotate, the mounting cylinder 4b can drive the three-jaw chuck 4c and a clamped workpiece to rotate, an operator manually places the steel pipe 10 on two supporting wheels 4h horizontally, the end part of the steel pipe 10 is mounted on the three-jaw chuck 4c, the three-jaw chuck 4c can clamp one end of the steel pipe 10, the supporting wheels 4h are used for supporting the other end of the workpiece, and the workpiece cannot deviate greatly in the rotating process.
Specifically, the outer wall spraying mechanism 2 comprises a lifting component 9, a drying component 11, a bearing plate 13, a remainder recovery component 12 and a portal frame 2a, wherein the drying component 11 is arranged on the side wall of the bearing plate 13, the remainder recovery component 12 and the portal frame 2a are both arranged at the top of the bearing plate 13, two material clamping seats 2b arranged at intervals are arranged on the portal frame 2a, a pipe hoop 2c is arranged on the material clamping seat 2b, mounting rods 2d are arranged on both sides of the pipe hoop 2c, a through hole for the mounting rod 2d to pass through is arranged on the material clamping seat 2b, each mounting rod 2d is provided with an external thread and a clamping sleeve 2e in threaded connection with the external thread, a material spraying pipeline 2f is arranged in the pipe hoop 2c, and a second spraying nozzle 2g is arranged on the material spraying pipeline 2 f; can carry out the spraying operation to the outer wall of steel pipe 10 automatically through outer wall spraying mechanism 2, degree of automation is high, need not the manual spraying operation of worker and has reduced worker's intensity of labour, and the worker can make ferrule 2c take place to rotate through rotating installation pole 2d in advance to adjust the spraying angle of second spraying mouth 2g, can make ferrule 2c press from both sides tightly on pressing from both sides material seat 2b through pressing from both sides material cover and installation pole 2d screw-thread fit.
Specifically, the material lifting assembly 9 comprises a horizontally arranged support plate 9a and two screw rod sliding tables 9b arranged at intervals, the support plate 9a is arranged at the tops of the sliding blocks of the two screw rod sliding tables 9b, a screw rod lifter 9c and two spacing cylinders 9f arranged at intervals are arranged at the top of the support plate 9a, a sliding rod 9g in sliding fit with the top of each spacing cylinder 9f is arranged at the top of each spacing cylinder 9f, the two sliding rods 9g are fixedly connected with the bottom of the portal frame 2a, a second bearing seat 9d is arranged at the bottom of the portal frame 2a, a transmission screw rod 9e is arranged on the screw rod lifter 9c, and the top end of the transmission screw rod 9e is arranged in the second bearing seat 9 d; the material lifting assembly 9 can enable the two second spraying nozzles 2g to be lifted to a certain height, so that the height of the second spraying nozzles 2g can be conveniently adjusted, the second spraying nozzles 2g can keep a certain distance for spraying steel pipes 10 with different diameters, the screw rod lifter 9c can drive the transmission screw rod 9e to rotate when working, the transmission screw rod 9e can drive the second bearing seat 9d to be lifted, and the portal frame 2a can drive the two second spraying nozzles 2g to be lifted;
the drying assembly 11 comprises an I-steel 11a arranged on the side wall of a bearing plate 13 and a U-shaped mounting frame 11b arranged at the top of the I-steel 11a, a first drying pipe 11c is arranged in the U-shaped mounting frame 11b, an L-shaped rotating frame 11d hinged with the U-shaped mounting frame 11b is arranged at the top of one end of the U-shaped mounting frame 11b, a second drying pipe 11e is arranged in the L-shaped rotating frame 11d, a mounting seat 11f is arranged at the top of one end of the I-steel 11a, an adjusting cylinder 11g is arranged on the mounting seat 11f, an extending lug 11h is arranged on the side wall of the L-shaped rotating frame 11d, the output end of the adjusting cylinder 11g is hinged with the extending lug 11h, the residual material recovering assembly 12 comprises a recovering box 12a arranged at the top of the bearing plate 13 and a material pushing plate 12b vertically arranged in the recovering box 12a, and the cross section of the recovering box, a rotating shaft 12c which is vertically arranged is arranged at one end of the bearing plate 13, a pushing motor 12d is arranged at the bottom of the bearing plate 13, the output end of the pushing motor 12d is fixedly connected with the bottom of the rotating shaft 12c, an extending strip 12e which slides with the recovery box 12a is arranged on the side wall of the pushing plate 12b, a first connecting rod 12f is sleeved on the rotating shaft 12c, a second connecting rod 12g which is hinged with the first connecting rod 12f is arranged at the end part of the extending strip 12e, and a recovery pipe 12h communicated with the interior of the recovery box 12a is arranged at the bottom of the recovery box 12 a; the outer wall of the steel pipe after being sprayed can be dried through the drying component 11, the worker does not need to additionally perform drying operation, the labor amount of the worker is reduced, the position of the L-shaped rotating frame 11d can be adjusted under the action of the adjusting cylinder 11g, the worker can conveniently load and unload the steel pipe, the adjusting cylinder 11g can drive the extension lug 11h to move when working, the extension lug 11h can drive the L-shaped rotating frame 11d to rotate and can rotate to the upper part of the steel pipe, the first drying pipe 11c and the second drying pipe 11e can simultaneously perform drying operation on the outer wall of the steel pipe, the drying efficiency of the steel pipe is improved, redundant paint on the surface of the steel pipe can be collected and recovered through the residual material recovery component 12, the problem that the paint drops on the ground to clean the worker is avoided, and the paint resource can be recycled and saved, the coating on the steel pipe surface drips on collection box 12a because of self gravity, collection box 12 a's cross section makes collection box 12 a's uncovered great for trapezium structure, material pushing motor 12d work can drive first connecting rod 12f and rotate, first connecting rod 12f can drive rather than articulated second connecting rod 12g and rotate, make extension strip 12e can drive scraping wings 12b and take place to remove, make scraping wings 12b can drive the coating in collection box 12a and remove to the direction of recovery tube 12h, make the worker can accomplish the recovery operation to unnecessary coating through recovery tube 12 h.
The working principle of the invention is as follows: an operator manually places the steel pipe 10 on the two supporting wheels 4h horizontally, the end part of the steel pipe 10 is arranged on the three-jaw chuck 4c, the three-jaw chuck 4c can clamp the end part of the steel pipe 10, when the inner wall of the steel pipe 10 is sprayed, the inner wall spraying mechanism 1 can automatically and uniformly spray the inner wall of the steel pipe 10, the situation that the local inner wall of the steel pipe 10 is not sprayed is avoided, the first spraying nozzle 7a5 can be stretched into the inner wall of the steel pipe 10 by stretching the feeding part 6, so that all the inner wall of the steel pipe 10 can be sprayed, the step motor 6b1 can rotate the two-way screw 6b3, the two-way screw 6b3 can drive the two feeding blocks 6b4 connected with the two-way screw to move, the two feeding blocks 6b4 can respectively drive the two connecting rods 6a2 to move relatively or move back and back, so that the plurality of transmission rods 6a3 can move, the limiting slide way 5h can limit and support the hinged rod 6a4, so that the transmission rod 6a3 can extend towards the interior of the steel tube 10, the transmission rod 6a3 can drive the connecting seat 6a1 to move, the supporting plate 7a can horizontally move to the interior of the steel tube 10, the spraying liquid can be conveyed into the spraying pipeline 7a4 through the liquid inlet pipeline 7a3, each first spraying nozzle 7a5 can spray the inner wall of the steel tube 10, the inner wall of the steel tube 10 can be uniformly sprayed through the rotary spraying component 7, the paint adhered to the inner wall surface of the steel tube 10 is the same, the working principle is that the rotary motor 7b1 can drive the rotary shaft 7b6 to rotate, the rotary shaft 7b6 can drive the cam 7b9 to rotate around the axis of the rotary shaft 7b6, the cam 7b9 can drive the roller 7b8 matched with the cam 7b9 to move, and the roller 7b8 can drive the mounting seat 11f7b7 to move, the mounting seat 11f7b7 can drive the rack 7b3 to reciprocate, the rack 7b3 can drive the rotating gear 7b2 engaged with the rack to rotate, the rotating cylinder 7a1 can rotate around the axis of the rotating cylinder, the rotating cylinder 7a1 can drive all the first spraying nozzles 7a5 to rotate around the axis of the rotating cylinder 7a1 to reciprocate, the paint adhered to the inner wall surface of the steel pipe 10 is the same, the first spraying nozzles 7a5 can be lifted to a certain height through the lifting part 5a, the axis of the rotating cylinder 7a1 can be superposed with the axis of the steel pipe 10, the distances between the three first spraying nozzles 7a5 and the inner wall of the steel pipe 10 are approximately the same, the lifting electric cylinder 5f can move the lifting frame 5e, the lifting frame 5e can drive the extension feeding part 6 to lift, and the lifting part 5a and the extension feeding part 6 can move in the horizontal direction through the material moving part 8, the steel pipe 10 can be conveniently installed and disassembled by workers, the working principle is that the material moving motor 8a works to rotate the installation shaft 8c, the installation shaft 8c can drive the synchronous wheel 8d to rotate, the synchronous belt 8e can drive the driving plate 8f to move, so that the material moving plate 5i and the lifting part 5a at the top of the material moving plate 5i move, the steel pipe 10 can rotate through the rotating mechanism 4, the outer wall spraying mechanism 2 can uniformly spray the outer wall of the steel pipe 10, the working principle is that the rotating motor 4e works to drive the driving gear 4f to rotate, the driving gear 4f can drive the driven gear 4d meshed with the driving gear to rotate, the installation cylinder 4b can drive the three-jaw chuck 4c and a clamped workpiece to rotate, and the outer wall of the steel pipe 10 can be automatically sprayed through the outer wall spraying mechanism 2, the automation degree is high, the labor intensity of workers is reduced without manual spraying operation of the workers, the workers can rotate the pipe hoop 2c in advance by rotating the mounting rod 2d, so that the spraying angle of the second spraying nozzle 2g is adjusted, the pipe hoop 2c can be clamped on the clamping base 2b by the threaded matching of the clamping sleeve and the mounting rod 2d, the two second spraying nozzles 2g can be lifted to a certain height by the material lifting assembly 9, the height of the second spraying nozzles 2g is convenient to adjust, and the second spraying nozzles 2g can perform spraying operation on steel pipes 10 with different diameters at a certain distance; the adjusting cylinder 11g can drive the extension lug 11h to move when working, so that the extension lug 11h can drive the L-shaped rotating frame 11d to rotate and can rotate to the upper part of the steel pipe, the first drying pipe 11c and the second drying pipe 11e can simultaneously carry out drying operation on the outer wall of the steel pipe, the drying efficiency of the steel pipe is improved, the excess coating on the surface of the steel pipe can be collected and recovered by the excess material recovery assembly 12, the coating is prevented from dropping on the ground to bring troubles for cleaning workers, the coating resource can be recycled and saved again, the coating on the surface of the steel pipe drops on the recovery box 12a due to self gravity, the cross section of the recovery box 12a is in a trapezoidal structure, so that the opening of the recovery box 12a is larger, the pushing motor 12d can drive the first connecting rod 12f to rotate when working, the first connecting rod 12f can drive the second connecting rod 12g hinged with the first connecting rod 12f to rotate, the extension strip 12e can drive the material pushing plate 12b to move, so that the material pushing plate 12b can drive the paint in the recovery box 12a to move towards the recovery pipe 12h, and the worker can complete the recovery operation of the redundant paint through the recovery pipe 12 h.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. The automatic spraying machine for the inner wall and the outer wall of the steel pipe is characterized by comprising an inner wall spraying mechanism (1), an outer wall spraying mechanism (2), a workbench (3) and a rotating mechanism (4), wherein the inner wall spraying mechanism (1) and the rotating mechanism (4) are arranged at the top of the workbench (3), the outer wall spraying mechanism (2) is arranged below the rotating mechanism (4), the inner wall spraying mechanism (1) comprises a first spraying assembly (1 a), a second spraying assembly (1 b) and a material moving assembly (5) for driving the first spraying assembly (1 a) to horizontally move, the first spraying assembly (1 a) and the second spraying assembly (1 b) are identical in structure and symmetrically arranged, the first spraying assembly (1 a) and the second spraying assembly (1 b) comprise an extension feeding component (6) and a rotary spraying component (7), the rotary spraying component (7) is arranged on the extension feeding component (6), the material moving component (5) comprises a lifting component (5 a), a material moving plate (5 i) and a material moving component (8) for driving the material moving plate (5 i) to move horizontally, and the lifting component (5 a) is arranged at the top of the material moving plate (5 i); the rotary spraying component (7) comprises a bearing plate (7 a), a rotary cylinder (7 a 1), an installation plate (7 a 2) arranged at the top of the bearing plate (7 a) and a rotary piece (7 b) used for driving the rotary cylinder (7 a 1) to rotate in a reciprocating manner, the rotary cylinder (7 a 1) is horizontally arranged on the installation plate (7 a 2), a bearing is arranged between the installation plate (7 a 2) and the rotary cylinder (7 a 1), a liquid inlet pipeline (7 a 3) is inserted into the rotary cylinder (7 a 1), three spraying pipelines (7 a 4) distributed in the circumferential direction are arranged on the liquid inlet pipeline (7 a 3), and a first spraying nozzle (7 a 5) is arranged on each spraying pipeline (7 a 4); the rotating piece (7 b) comprises a rotating motor (7 b 1), a rotating gear (7 b 2) sleeved on the rotating cylinder (7 a 1) and a rack (7 b 3) meshed with the rotating gear (7 b 2), the rack (7 b 3) is horizontally arranged, the top of the bearing plate (7 a) is provided with a fixed plate (7 b 4) and a T-shaped supporting block (7 b 5) which is in sliding fit with the rack (7 b 3), a rotating shaft (7 b 6) which is rotatably connected with the supporting plate (7 a) is inserted on the supporting plate (7 a), the rotating motor (7 b 1) is arranged at the bottom of the bearing plate (7 a) and the output shaft of the rotating motor (7 b 1) is fixedly connected with the rotating shaft (7 b 6), a first mounting seat (7 b 7) is arranged on the side wall of the rack (7 b 3), a roller (7 b 8) which is rotationally connected with the first mounting seat (7 b 7) is arranged on the first mounting seat (7 b 7), the rotating shaft (7 b 6) is sleeved with a cam (7 b 9) matched with the roller (7 b 8); rotate piece (7 b) still including setting up fixed section of thick bamboo (7 c) on fixed plate (7 b 4) lateral wall, be equipped with on fixed section of thick bamboo (7 c) rather than sliding fit's release link (7 c 1), the cover is equipped with reset spring (7 c 2) on release link (7 c 1), the both ends of reset spring (7 c 2) are contradicted respectively on the lateral wall of rack (7 b 3) and fixed section of thick bamboo (7 c).
2. The automatic spraying machine for the inner and outer walls of the steel pipe as claimed in claim 1, wherein the stretching and feeding part (6) comprises a stretching part (6 a), a connecting seat (6 a 1) and a driving part (6 b), the connecting seat (6 a 1) is hinged to one end of the stretching part (6 a), the supporting plate (7 a) is fixed on the side wall of the connecting seat (6 a 1), the stretching part (6 a) comprises two connecting rods (6 a 2) which are arranged in a cross manner, a plurality of transmission rods (6 a 3) which are arranged in a cross manner are arranged on the two connecting rods (6 a 2), a hinged rod (6 a 4) is arranged between every two transmission rods (6 a 3) which are arranged in a cross manner, the driving part (6 b) comprises a stepping motor (6 b 1), a supporting frame (6 b 2) and a bidirectional screw rod (6 b 3) which is horizontally arranged on the supporting frame (6 b 2), and two feeding blocks (6 b 4) which are arranged at intervals are sleeved on the bidirectional screw rod (6 b 3), be equipped with two sections opposite screw threads of spiral on two-way lead screw (6 b 3), two feed block (6 b 4) respectively with two threaded connection, wherein two looks intersect connecting rod (6 a 2) are fixed respectively on two feed blocks (6 b 4), step motor (6 b 1) the output shaft with the tip fixed connection of two-way lead screw (6 b 3), be equipped with two guide bars (6 b 5) on support frame (6 b 2), every the cover that feed block (6 b 4) all can slide is established on two guide bars (6 b 5).
3. The automatic steel pipe inner and outer wall spraying machine according to claim 2, wherein the lifting component (5 a) comprises two supporting vertical plates (5 b) arranged at intervals, one end of each of the two supporting vertical plates (5 b) opposite to each other is provided with a guide rail (5 c) arranged vertically, each guide rail (5 c) is provided with a sliding block (5 d) in sliding fit with the guide rail, a lifting frame (5 e) arranged horizontally is arranged between the two sliding blocks (5 d), the supporting frame (6 b 2) is arranged at the top of the lifting frame (5 e), the top of the material moving plate (5 i) is provided with a lifting electric cylinder (5 f) with an output end facing upwards vertically, the output end of the lifting electric cylinder (5 f) is fixedly connected with the bottom of the lifting frame (5 e), and the side wall of the lifting frame (5 e) is provided with a connecting frame (5 g), the top of link (5 g) is equipped with spacing slide (5 h), all the setting that the bottom homoenergetic of hinge bar (6 a 4) all can slide is in spacing slide (5 h), move material part (8) including moving fixing base (8 b) that material motor (8 a) and two intervals set up, every all be equipped with on fixing base (8 b) rather than rotate installation axle (8 c) of being connected, every all overlap on installation axle (8 c) and be equipped with synchronizing wheel (8 d), two be equipped with synchronous belt (8 e) between synchronizing wheel (8 d), the bottom of moving flitch (5 i) is equipped with driving plate (8 f) with synchronous belt (8 e) fixed connection, the output shaft and one of moving material motor (8 a) installation axle (8 c) fixed connection.
4. The automatic coating machine for inner and outer walls of steel pipes according to claim 1, wherein the rotating mechanism (4) comprises a first bearing seat (4 a), a support bracket and a mounting cylinder (4 b) horizontally arranged on the first bearing seat (4 a), a three-jaw chuck (4 c) is arranged on the side wall of the mounting cylinder (4 b), a through hole is arranged on the mounting cylinder (4 b), a driven gear (4 d) is sleeved on the mounting cylinder (4 b), a rotating motor (4 e) is arranged at the top of the workbench (3), an output shaft of the rotating motor (4 e) is sleeved with a driving gear (4 f) meshed with the driven gear (4 d), the bearing bracket is equipped with two, every all be equipped with connecting axle (4 g) on the bearing bracket, every all overlap on connecting axle (4 g) and be equipped with supporting wheel (4 h) rather than rotating and being connected.
5. The automatic steel pipe inner and outer wall spraying machine according to claim 1, wherein the outer wall spraying mechanism (2) comprises a lifting assembly (9), a drying assembly (11), a bearing plate (13), a remainder recovery assembly (12) and a portal frame (2 a), the drying assembly (11) is arranged on the side wall of the bearing plate (13), the remainder recovery assembly (12) and the portal frame (2 a) are both arranged on the top of the bearing plate (13), the portal frame (2 a) is arranged on the top of the lifting assembly (9), two material clamping seats (2 b) arranged at intervals are arranged on the portal frame (2 a), a pipe hoop (2 c) is arranged on the material clamping seat (2 b), mounting rods (2 d) are arranged on both sides of the pipe hoop (2 c), and through holes for the mounting rods (2 d) to pass through are arranged on the material clamping seats (2 b), every all be equipped with the external screw thread on installation pole (2 d) and rather than threaded connection's clamp sleeve (2 e), be equipped with in ferrule (2 c) and spout material pipeline (2 f), be equipped with second spraying mouth (2 g) on spouting material pipeline (2 f).
6. The automatic spraying machine for the inner and outer walls of the steel pipes as claimed in claim 5, wherein the material lifting assembly (9) comprises a horizontally arranged support plate (9 a) and two screw rod sliding tables (9 b) arranged at intervals, the support plate (9 a) is arranged at the top of the sliding blocks of the two screw rod sliding tables (9 b), the top of the support plate (9 a) is provided with a screw rod lifter (9 c) and two spacing cylinders (9 f) which are arranged at intervals, the top of each spacing cylinder (9 f) is provided with a sliding rod (9 g) which is in sliding fit with the spacing cylinder, the two sliding rods (9 g) are fixedly connected with the bottom of the portal frame (2 a), a second bearing seat (9 d) is arranged at the bottom of the portal frame (2 a), a transmission screw rod (9 e) is arranged on the screw rod lifter (9 c), the top end of the transmission screw rod (9 e) is arranged in the second bearing seat (9 d).
7. The automatic spraying machine for the inner and outer walls of the steel pipe according to claim 5, wherein the drying assembly (11) comprises an I-shaped steel (11 a) arranged on the side wall of the bearing plate (13) and a U-shaped mounting frame (11 b) arranged at the top of the I-shaped steel (11 a), a first drying pipe (11 c) is arranged in the U-shaped mounting frame (11 b), an L-shaped rotating frame (11 d) hinged with the U-shaped mounting frame is arranged at the top of one end of the U-shaped mounting frame (11 b), a second drying pipe (11 e) is arranged in the L-shaped rotating frame (11 d), a second mounting seat (11 f) is arranged at the top of one end of the I-shaped steel (11 a), an adjusting cylinder (11 g) is arranged on the second mounting seat (11 f), an extending lug (11 h) is arranged on the side wall of the L-shaped rotating frame (11 d), and the output end of the adjusting cylinder (11 g) is hinged with the extending lug (11 h, the residual material recovery component (12) comprises a recovery box (12 a) arranged at the top of the bearing plate (13) and a material pushing plate (12 b) vertically arranged in the recovery box (12 a), the cross section of the recovery box (12 a) is of a trapezoidal structure, one end of the bearing plate (13) is provided with a rotating shaft (12 c) which is vertically arranged, the bottom of the bearing plate (13) is provided with a material pushing motor (12 d), the output end of the material pushing motor (12 d) is fixedly connected with the bottom of the rotating shaft (12 c), the side wall of the material pushing plate (12 b) is provided with an extension bar (12 e) which slides with the recovery box (12 a), a first connecting rod (12 f) is sleeved on the rotating shaft (12 c), a second connecting rod (12 g) hinged with the first connecting rod (12 f) is arranged at the end part of the extension strip (12 e), and a recovery pipe (12 h) communicated with the interior of the recovery tank is arranged at the bottom of the recovery tank (12 a).
CN201910041844.3A 2019-01-17 2019-01-17 Automatic spraying machine for inner and outer walls of steel pipe Active CN109746144B (en)

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