CN118218174A - Rotary kiln cylinder spraying processing device and spraying method thereof - Google Patents
Rotary kiln cylinder spraying processing device and spraying method thereof Download PDFInfo
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- CN118218174A CN118218174A CN202410627427.8A CN202410627427A CN118218174A CN 118218174 A CN118218174 A CN 118218174A CN 202410627427 A CN202410627427 A CN 202410627427A CN 118218174 A CN118218174 A CN 118218174A
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- rotary kiln
- spraying
- fixedly connected
- kiln cylinder
- cylinder
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- 238000005507 spraying Methods 0.000 title claims abstract description 143
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 239000007921 spray Substances 0.000 claims abstract description 26
- 210000001503 joint Anatomy 0.000 claims abstract description 10
- 239000003973 paint Substances 0.000 claims abstract description 7
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 32
- 238000007790 scraping Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0271—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the object or work standing still during the spraying operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0609—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being automatically fed to, or removed from, the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a rotary kiln cylinder spraying device and a spraying method thereof, and relates to the technical field of rotary kiln cylinder processing. The rotary kiln cylinder spraying processing device comprises a processing table and two supporting rods which are symmetrically and fixedly connected on the processing table in a bilateral mode, an electric sliding seat is connected to a guide rail in a sliding mode, a self-stabilizing spraying mechanism for spraying the inner wall of the rotary kiln cylinder is installed on the guide rail, a triangular bracket is matched with a pushing cylinder so as to support a spraying pipe and enable the spraying pipe to be always kept in a horizontal state, a butt joint communicating part is used for mutually clamping two spraying pipes which are transversely opposite so as to enhance the stability of the spraying pipe, and a switching part is used for sequentially controlling the opening and closing of the spraying pipes so as to sequentially spray different paints on the inner wall of the rotary kiln cylinder.
Description
Technical Field
The invention relates to the field of rotary kiln barrel processing, in particular to a rotary kiln barrel spraying processing device and a spraying method thereof.
Background
The rotary kiln is an important industrial device, is widely applied to the fields of cement production, mineral processing, metallurgy and the like, is cylindrical in shape, is generally horizontally arranged, can be used for sintering, drying and the like of materials at high temperature, and is required to be subjected to a spraying process on the inner surface of the rotary kiln cylinder during processing, the sprayed coating can play roles of protecting, resisting corrosion, resisting abrasion and the like, the service life of the rotary kiln is prolonged, the production efficiency is improved, different coatings such as high-temperature-resistant coatings, anti-corrosion coatings and the like can be selected according to specific requirements during spraying, and the thickness, uniformity and quality control of the spraying are required to be paid attention during spraying, so that the coating can achieve the expected effect.
At present, when spraying the rotary kiln barrel surface, the mode that the unidirectional cantilever beam stretches into the barrel is adopted mostly, however, because the rotary kiln barrel is longer, and unidirectional cantilever beam is general to the spraying pipe supportability that is in the remote end position, the spraying pipe that is in the remote end position when spraying appears the condition of downward sloping easily, and then lead to the inconsistent distance between spraying pipe and the barrel, cause the spraying thickness inhomogeneous, the spraying pipe that is in the remote end position still is because of lacking effectual support moreover, shake that produces when flowing because of the coating liquid in the spraying pipe is driven appears rocking when spraying easily, lead to the spraying unstable.
In addition, the spraying process usually follows the process flow of the front substrate and the back, the multi-layer spraying step of firstly coating the anti-corrosion primer and then coating the high weather resistance paint is needed, most of the existing multi-layer paint spraying modes adopt the same flow channel mode for various different types of coating liquid, namely the coating liquid used in the front substrate and the back flow is sequentially introduced into a spraying pipe, although the gap between the two coating liquid sequentially introduced is flushed, part of the coating liquid still remains in a spraying pipeline, the coating liquid introduced later is mixed with the residual coating liquid in the previous step, the purity of the coating liquid sprayed later is reduced, and the protection effect of the sprayed coating on the cylinder is reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a rotary kiln barrel spraying processing device, which comprises a processing table and two struts which are symmetrically and fixedly connected on the processing table, wherein the upper ends of the struts are fixedly connected with guide rails, an electric sliding seat is connected to the guide rails in a sliding way, a clamping mechanism for clamping the rotary kiln barrel is arranged at the lower part of the electric sliding seat, a scraping mechanism for cleaning the inner wall of the rotary kiln barrel is arranged at the right part of the upper end surface of the processing table, a self-stabilizing spraying mechanism for spraying the inner wall of the rotary kiln barrel is arranged on the guide rails, the self-stabilizing spraying mechanism comprises a shaft rod fixedly connected to the front end surface of the guide rail through a fixed block, two triangular brackets which are symmetrically hinged on the shaft rod through L-shaped plates, a pushing barrel which penetrates through the pushing barrel and is connected to the triangular brackets, a spraying pipe symmetrically arranged on the pushing barrel and is close to one end of the clamping mechanism, two spraying pipes which are symmetrically arranged on the pushing barrel and a plurality of spraying holes which are transversely equidistant are arranged on the spraying pipe, two flexible conveying pipes which are correspondingly and are communicated with each other through the fixing posts are fixedly connected to each other in the pushing barrel, the two triangular brackets are correspondingly connected to the two opposite side of the spraying barrel and the two opposite side of the triangular brackets are mutually connected with the opposite side of the spraying barrel in order to be matched with the horizontal spraying pipe in turn, so that the opposite to control the spraying pipe is convenient to be in a horizontal and stable to be matched with the opposite to the spraying pipe to the spraying and connected.
In a possible implementation mode, the switching piece includes the mounting disc of passing through connecting rod fixed connection on two push away section of thick bamboo opposite ends, two guide slots have been seted up to the symmetry around on the mounting disc, the guide slot comprises arc section and two vertical sections that communicate respectively in the arc section, the mounting disc hub portion rotates and is connected with the pivot, the outside fixedly connected with two-way telescopic link of pivot, spraying pipe fixed connection is at two-way telescopic link tip, and the mounting disc is provided with jointly with the pivot and is used for driving two-way telescopic link pivoted transmission subassembly, the mounting disc is close to the extrusion frame that is used for to flexible conveyer pipe extrusion through spliced pole front and back symmetry fixedly connected with and guide slot and shape unanimity, extrusion frame opening part symmetry fixedly connected with two are V-shaped guide plates that arrange, flexible conveyer pipe slides and sets up in the extrusion frame, the one end that the spraying pipe is close to push away the section runs through the guide slot and is linked together with flexible conveyer pipe.
In one possible implementation manner, the rotation transmission assembly comprises a rotation shaft which is rotationally connected to the upper portion of the installation disc through a vertical rod, a rotation wheel is fixedly connected to the outer portion of the rotation shaft, belt wheels are respectively and fixedly connected to the outer portions of the rotation shaft and the rotation shaft, a transmission belt is jointly rotationally connected to the outer portions of the two belt wheels, and a limit rod used for propping against the transmission belt is symmetrically and fixedly connected to the upper portion of one side, away from the push cylinder, of the installation disc.
In a possible implementation manner, the butt joint communicating part comprises a sleeve fixedly connected to the right end of the left spraying pipe and an inner cylinder fixedly connected to the left end of the right spraying pipe, a baffle ring is fixedly connected to the inner cylinder cavity, a sliding column is slidably connected to the inner cylinder cavity through an ear plate, a pressure spring is fixedly connected between the sliding column and the ear plate, a baffle cover matched with the baffle ring is fixedly connected to the right end of the sliding column, a column sleeve for the sliding column to penetrate is fixedly connected to the inner cylinder cavity through a fixing rod, an annular liquid bag is embedded in the inner cylinder, a spoke-shaped disc for extruding the annular liquid bag is fixedly connected to the right end of the baffle cover, and an annular clamping groove for matching the sleeve with the annular liquid bag is formed in the inner cylinder cavity.
In a possible implementation manner, the triangular bracket and the pushing cylinder are jointly provided with an auxiliary jacking unit for jacking and touching the end part of the rotary kiln cylinder, the auxiliary jacking unit comprises two transverse sliding rods which penetrate through the triangular bracket, one end of each sliding rod, which is close to the clamping mechanism, is fixedly connected with a top plate, one side, which is close to the pushing cylinder, of each sliding rod is fixedly connected with a first triangular block through a vertical rod, one side, which is far away from the clamping mechanism, of each triangular bracket is fixedly connected with two jacking columns corresponding to the first triangular block through a transverse plate, return springs are fixedly connected between the jacking columns and the transverse plate, the upper ends of the jacking columns are abutted against inclined surfaces of the first triangular blocks, and two triangular blocks matched with the jacking columns are fixedly connected to the outer part of the pushing cylinder in an up-down symmetrical mode.
In one possible implementation manner, the scraping mechanism comprises a chute arranged on the processing table, an L-shaped rod is connected in the chute in a sliding manner, a strip-shaped plate is fixedly connected to the left end of the transverse section of the L-shaped rod, a plurality of arc scraping blades are fixedly connected to the upper portion of the strip-shaped plate at equal intervals, and a collecting box is fixedly connected to the lower portion of the strip-shaped plate.
In one possible implementation manner, the clamping mechanism comprises arc frames symmetrically hinged to the lower portion of the electric sliding seat, hydraulic rods are jointly hinged between the arc frames and the electric sliding seat, and positioning wheel sets are symmetrically arranged on the arc inner walls of the arc frames in a rotating mode.
The rotary kiln barrel spraying processing method is completed by adopting a rotary kiln barrel spraying processing device in a matched manner, and comprises the following steps of: s1: the rotary kiln cylinder is placed in the clamping mechanism, the position of the rotary kiln cylinder when the rotary kiln cylinder is placed in the clamping mechanism is adjusted, and then the clamping mechanism is controlled to clamp the rotary kiln cylinder.
S2: the electric sliding seat is controlled to drive the clamped rotary kiln cylinder to transversely move, and the inner wall of the rotary kiln cylinder is cleaned through the scraping mechanism, so that the surface to be sprayed is ensured to be clean, and dust and oil stains are avoided.
S3: the electric sliding seat drives the rotary kiln cylinder body to move to the position of the self-stabilizing spraying mechanism to stay, and the prepared paint is introduced into the self-stabilizing spraying mechanism to spray the inner surface of the rotary kiln cylinder body.
S4: waiting for the coating to dry and cure, ensuring a proper drying environment, and accelerating the drying process by using a heating device.
S5: and checking the quality of the sprayed surface to ensure that the coating is uniform and defect-free.
From the above technical scheme, the invention has the following advantages: according to the invention, the two ends of the spraying pipe are respectively supported by the double-triangular bracket, and the spraying pipe is supported from a plurality of positions by the secondary support after the opposite ends of the two transversely opposite spraying pipes are mutually clamped, so that the stability of the spraying pipe during spraying is improved, and the uniformity and the spraying quality of spraying are ensured.
According to the invention, the forward and reverse operations of the switching piece are sequentially triggered by the forward and reverse rotations of the rotary kiln cylinder body, so that the two spraying pipes are alternately switched to be communicated with the flexible conveying pipe or cut off from the communication state, different coating liquids can be conveniently and rapidly sprayed to the surface of the rotary kiln cylinder body, the spraying speed is increased, the purity of the coating liquid in spraying is ensured, and the spraying quality is improved.
According to the invention, the scraping mechanism automatically cleans the inner surface of the rotary kiln cylinder before spraying by controlling the transverse movement mode of the rotary kiln cylinder, and the surface cleaning work and the spraying work are orderly combined together, so that the rotary kiln cylinder is convenient to continuously process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a rotary kiln cylinder spraying processing device provided by the invention.
Fig. 2 is a schematic diagram of an installation structure of the self-stabilizing spraying mechanism provided by the invention.
Fig. 3 is a schematic structural diagram of a portion of the self-stabilizing spraying mechanism provided by the invention.
Fig. 4 is an enlarged schematic diagram of the structure of the portion a in fig. 3 according to the present invention.
Fig. 5 is a schematic sectional view of a connection structure between a push cylinder and a mounting plate.
Fig. 6 is a schematic diagram of a connection structure between a spray pipe and a mounting plate according to the present invention.
Fig. 7 is a schematic diagram of a cross-sectional structure of a front view of a butt joint communication part according to the present invention.
Fig. 8 is a schematic view of a three-dimensional cross-sectional structure of a butt joint communication part provided by the invention.
Fig. 9 is a schematic diagram of a rear view angle installation structure of the scraping mechanism provided by the invention.
Wherein the above figures include the following reference numerals: 1. a processing table; 2. a support rod; 3. a guide rail; 4. an electric slide; 5. a clamping mechanism; 51. an arc-shaped frame; 52. a hydraulic rod; 53. positioning wheel sets; 6. a scraping mechanism; 61. a chute; 62. an L-shaped rod; 63. a strip-shaped plate; 64. an arc-shaped scraping blade; 65. a collection box; 7. a self-stabilizing spraying mechanism; 71. a shaft lever; 72. a triangular bracket; 73. pushing a cylinder; 74. a switching member; 741. a mounting plate; 742. a guide groove; 743. a rotating shaft; 744. a bidirectional telescopic rod; 745. a transfer assembly; 7451. a rotating shaft; 7452. a rotating wheel; 7453. a belt wheel; 7454. a transmission belt; 7455. a limit rod; 746. extruding a frame; 747. an introduction sheet; 75. a spray pipe; 76. a spray hole; 77. a flexible delivery tube; 78. a butt joint communicating portion; 781. a sleeve; 782. an inner cylinder; 783. a baffle ring; 784. a spool; 785. a pressure spring; 786. a blocking cover; 787. a column sleeve; 788. an annular liquid sac; 789. a spoke-like disc; 7810. an annular clamping groove; 8. an auxiliary roof unit; 81. a slide bar; 82. a top plate; 83. triangle block number one; 84. jacking the column; 85. a return spring; 86. triangle block number two.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1 and2, the present invention provides a technical solution: the utility model provides a rotary kiln barrel spraying processingequipment, including processing platform 1 and two bilateral symmetry fixed connection branch 2 on processing platform 1, the common fixedly connected with guide rail 3 of two branch 2 upper ends, sliding connection has electronic slide 4 on the guide rail 3, the clamping mechanism 5 that is used for centre gripping rotary kiln barrel is installed to electronic slide 4 lower part, the scraping mechanism 6 that is used for clearing up rotary kiln barrel inner wall is installed on processing platform 1 up end right part, install on the guide rail 3 and be used for spraying rotary kiln barrel inner wall from steady spraying mechanism 7, clamping mechanism 5 is including the arc frame 51 of symmetry hinge in electronic slide 4 lower part, joint hinge has hydraulic stem 52 between arc frame 51 and the electronic slide 4, arc inner wall symmetry rotation of arc frame 51 is provided with location wheelset 53.
Referring to fig. 1 and 9, in the present embodiment, the scraping mechanism 6 includes a chute 61 formed on the processing table 1, an L-shaped rod 62 is slidably connected in the chute 61, a strip-shaped plate 63 is fixedly connected to a left end of a transverse section of the L-shaped rod 62, a plurality of arc-shaped scraping blades 64 are fixedly connected to an upper portion of the strip-shaped plate 63 at equal intervals, the arc-shaped scraping blades 64 are obliquely arranged, and a collecting box 65 is fixedly connected to a lower portion of the strip-shaped plate 63.
The clamping mechanisms 5 with the corresponding number are selected according to actual needs so as to stably clamp the rotary kiln cylinder, then the arc-shaped frame 51 is driven to open by controlling the contraction of the hydraulic rod 52, then the rotary kiln cylinder is moved to the position right below the electric sliding seat 4, meanwhile, the L-shaped rod 62 is slid leftwards to enable the transverse section of the L-shaped rod to gradually extend into the rotary kiln cylinder, then the hydraulic rod 52 is controlled again to extend, the arc-shaped frame 51 is pushed to gradually move until the arc-shaped frame 51 is clamped outside the rotary kiln cylinder, then the electric sliding seat 4 is controlled to transversely move, then the rotary kiln cylinder is driven to leftwards through the arc-shaped frame 51, meanwhile, the self-powered positioning wheel set 53 is controlled to rotate, the rotary kiln cylinder is driven to rotate, the inner surface wall of the rotary kiln cylinder is attached to the arc-shaped scraping blade 64, dirt adhered to the inner surface of the rotary kiln cylinder can be scraped by the arc-shaped scraping blade 64, and the cleaned dirt falls into the collecting box 65 under the gravity.
Referring to fig. 2, 3, 5 and 6, in the present embodiment, the self-stabilizing spraying mechanism 7 includes a shaft 71 fixedly connected to the front end face of the guide rail 3 through a fixing block, two triangular brackets 72 hinged to the shaft 71 through L-shaped plates in a left-right symmetry manner, a pushing cylinder 73 penetrating through the triangular brackets 72 and slidably connected to the triangular brackets, a switching member 74 disposed on one end of the pushing cylinder 73 near the clamping mechanism 5, a spraying tube 75 symmetrically disposed on the switching member 74, and a plurality of spray holes 76 transversely and equidistantly disposed on the spraying tube 75, wherein each pushing cylinder 73 is fixedly connected to two flexible conveying tubes 77 corresponding to and communicating with the spraying tube 75 through a fixing column, opposite ends of the two transversely opposite spraying tubes 75 are jointly provided with a butt-joint communicating portion 78, the triangular brackets 72 are matched with the pushing cylinder 73 so as to support the spraying tube 75 and keep the same in a horizontal state all the time, the butt-joint communicating portion 78 is used for mutually clamping the two transversely opposite spraying tubes 75 so as to enhance the stability of the spraying tube 75, and the switching member 74 is used for sequentially controlling the opening and closing of the spraying tube 75 so as to sequentially spray the different rotary kiln.
Referring to fig. 2, 7 and 8, the butt-joint communicating portion 78 includes a sleeve 781 fixedly connected to the right end of the left spray tube 75 and an inner cylinder 782 fixedly connected to the left end of the right spray tube 75, a retaining ring 783 fixedly connected to an inner cavity of the inner cylinder 782, a strut 784 slidably connected to the inner cylinder 782 through an ear plate, a compression spring 785 fixedly connected between the strut 784 and the ear plate, a retaining cap 786 fixedly connected to the right end of the strut 784 and engaged with the retaining ring 783, a sleeve 787 fixedly connected to the inner cavity of the sleeve 781 through a fixing rod and allowing the strut 784 to penetrate, an annular liquid bag 788 is embedded on the inner cylinder 782, a spoke-shaped disc 789 fixedly connected to the right end of the retaining cap 786 and used for extruding the annular liquid bag 788, and an annular clamping groove 7810 used for being engaged with the annular liquid bag 788 is formed in the inner cylinder 781.
Before spraying the rotary kiln cylinder, the triangular bracket 72 is in a horizontal state, so that the electric sliding seat 4 drives the rotary kiln cylinder to move between the two triangular brackets 72, then the L-shaped plate is driven to rotate by manual or external driving equipment I, the triangular brackets 72 are changed into a vertical state, then the two pushing cylinders 73 are pushed to move towards the direction of the clamping mechanism 5 by external driving equipment II, and then the spraying pipe 75 is driven to extend into the rotary kiln cylinder gradually.
In the moving process, the two transversely opposite spraying pipes 75 drive the sleeve 781 and the inner cylinder 782 to move close to each other, then the sliding column 784 is inserted into the column sleeve 787 (the sliding column 784 with the right part of the column sleeve 787 expanding outwards is used for guiding, so that the column sleeve 787 is inserted), until the left end of the sliding column 784 abuts against the left cavity wall of the column sleeve 787, then the sleeve 781 and the inner cylinder 782 continue to move close to each other, at the moment, the sleeve 781 sleeved outside the inner cylinder 782 drives the annular clamping groove 7810 to move to the left side of the annular liquid bag 788, in the moving process of the inner cylinder 782, the sliding column 784 abuts against the sliding column 784 to move right relative to the sleeve 788, the sliding column 784 with the inner cylinder 782 as a reference moves right to separate the blocking cover 786 from the blocking ring 783, at the moment, the inner cylinder 782 is connected with the sleeve 781, then the spoke-shaped disc 789 abuts against the annular liquid bag 788, the annular liquid bag 788 is inflated, and the annular liquid bag 788 is gradually inflated to fill the annular clamping groove 788, and the two transversely opposite spraying pipes are in the transversely opposite spraying pipes 75.
Then, the coating liquid is introduced into a flexible conveying pipe 77, the coating liquid flows into a spraying pipe 75 through the flexible conveying pipe 77, and finally is atomized and sprayed out from a spray hole 76, and meanwhile, the rotary kiln cylinder is driven to rotate through a positioning wheel group 53, so that the coating liquid is uniformly sprayed on the inner surface of the rotary kiln cylinder; the spraying pipe 75 is supported while being stretched into the rotary kiln cylinder body from two ends through the double-triangular bracket 72, and the two transversely opposite ends of the spraying pipe 75 are mutually clamped, so that the spraying pipe 75 can be effectively supported, the sagging and shaking of the spraying pipe 75 are avoided, and the stability in spraying is ensured.
Referring to fig. 3, in this embodiment, the triangular bracket 72 and the pushing cylinder 73 are provided with an auxiliary jacking unit 8 for jacking the end of the rotary kiln cylinder, the auxiliary jacking unit 8 includes two sliding rods 81 transversely arranged and penetrating the triangular bracket 72, one end of each sliding rod 81 close to the clamping mechanism 5 is fixedly connected with a top plate 82, one side of each sliding rod 81 close to the pushing cylinder 73 is fixedly connected with a first triangular block 83 through a vertical rod, one side of each triangular bracket 72 far away from the clamping mechanism 5 is connected with two jacking posts 84 corresponding to the first triangular block 83 through a transverse plate in a vertical sliding manner, return springs 85 are fixedly connected between the jacking posts 84 and the transverse plate, the upper ends of the jacking posts 84 are in inclined plane abutting contact with the first triangular blocks 83, and two triangular blocks 86 matched with the jacking posts 84 are fixedly connected outside the pushing cylinder 73 in an up-down symmetry manner.
When the pushing cylinder 73 is pushed to move towards the rotary kiln cylinder to a position before the butt joint communicating part 78 is not communicated, the second triangular block 86 is driven to collide with the jacking column 84, the inclined surface of the second triangular block 86 extrudes the jacking column 84 to move upwards, the jacking column 84 and the inclined surface of the first triangular block 83 are extruded to enable the first triangular block 83 to move towards the direction of the clamping mechanism 5, then the sliding rod 81 drives the top plate 82 to synchronously move, and when the butt joint communicating part 78 completely communicates the two transversely opposite spraying pipes 75, the top plate 82 also moves to be propped against the end part of the rotary kiln cylinder, so that the end part of the rotary kiln cylinder is further utilized for jacking limiting before spraying, and the stability during spraying is ensured.
Referring to fig. 3, fig. 4, fig. 5 and fig. 6, in this embodiment, the switching member 74 includes a mounting disc 74741 fixedly connected to opposite ends of two pushing drums 73 through a connecting rod, two guide slots 742 are symmetrically provided on the mounting disc 741 front and back, the guide slots 742 are composed of an arc section and two vertical sections respectively connected to the upper end and the lower end of the arc section, a rotating shaft 743 is rotatably connected to a center portion of the mounting disc 741, a bidirectional telescopic rod 744 is fixedly connected to an outside of the rotating shaft 743, a spraying tube 75 is fixedly connected to an end portion of the bidirectional telescopic rod 744, the mounting disc 741 and the rotating shaft 743 are jointly provided with a transmission component 745 for driving the bidirectional telescopic rod 744 to rotate, one side of the mounting disc 741, close to the pushing drums 73, is symmetrically fixedly connected to an extrusion frame 746 corresponding to the guide slots 742 through a connecting column and having a consistent shape for extruding the flexible conveying tube 77, two guide sheets 747 are symmetrically fixedly connected to an opening of the extrusion frame 746, one end of the flexible conveying tube 75, close to the pushing tube 73, is communicated with the flexible conveying tube 77 through the guide slots, the guide slots 742, the spraying tube 75 is fixedly connected to the flexible conveying tube 77 through the guide slots, the transmission component is rotatably connected to the rotating shaft 743, and is rotatably connected to the rotating shaft 7451 by the rotating shaft 743, and is fixedly connected to the outside of the driving pulley 54 by the driving pulley 54 through the connecting rod 745, and is fixedly connected to the rotating shaft 53.
When the two spraying pipes 75 which are transversely opposite to each other move to the communicated position, the rotating wheel 7452 abuts against the inner surface wall of the rotary kiln cylinder body at a position close to the end part, and two coating liquids required for spraying are respectively introduced into the flexible conveying pipe 77: the rotary kiln cylinder rotating in the spraying process drives the rotating wheel 7452 to synchronously rotate, the rotating wheel 7452 drives the rotating shaft 743 to rotate through the transmission belt 7454 and the belt pulley 7453, the rotating shaft 743 then drives the bidirectional telescopic rod 744 to rotate, the bidirectional telescopic rod 744 rotates and drives the spraying pipe 75 to move along the path of the guide groove 742, the spraying pipe 75 sliding into the vertical section at the upper part of the guide groove 742 is communicated with the flexible conveying pipe 77, and then the coating liquid can be sprayed onto the inner wall of the rotary kiln cylinder, and the spraying pipe 75 positioned in the vertical section at the lower part of the guide groove 742 and the flexible conveying pipe 77 are in a blocking state.
After the inner wall of the rotary kiln barrel is completely sprayed after rotating for a circle, the sprayed coating liquid is dried, then the rotary kiln barrel is driven to reversely rotate by controlling the positioning wheel group 53, the rotary kiln barrel is then driven to reversely rotate by driving the rotating wheel 7452, the rotating wheel 7452 is then driven by the driving belt 7454 and the belt pulley 7453 to reversely repeat the steps, the rotating shaft 743 is then driven by the bidirectional telescopic rod 744 to reversely move the spraying pipe 75, the spraying pipe 75 at the upper part slides downwards along the path of the guide groove 742, the flexible conveying pipe 77 communicated with the spraying pipe 75 is driven to slide into the extrusion frame 746 in the process of downwards sliding the spraying pipe 75 at the upper part of the guide groove 742 to the arc-shaped section, the flexible conveying pipe 77 driven to downwards slides into the extrusion frame 746 under the guiding action of the two guide plates 747 which are arranged in a V shape, and the part of the flexible conveying pipe 77 positioned in the extrusion frame 746 is extruded and shrunken by the extrusion frame 746, so that the communication between the flexible conveying pipe 77 and the spraying pipe 75 is cut off.
When the spray pipe 75 which is driven to move upwards by the bidirectional telescopic rod 744 slides upwards to move from the arc section of the guide groove 742 to the upper vertical section, the spray pipe 75 drives the flexible conveying pipe 77 to move out of the extrusion frame 746, so that the spray pipe 75 and the flexible conveying pipe 77 are in a communicated state, and then the steps are repeated to spray another coating liquid on the surface of the rotary kiln cylinder; the spraying operation is sequentially carried out by rapidly switching the two spraying pipes 75 which are introduced with different coating liquids through the forward and reverse rotation of the rotary kiln cylinder, so that compared with the traditional spraying mode of sharing the same spraying equipment, the purity of the sprayed coating liquid is ensured, the spraying quality is ensured, and the spraying forming speed of the multilayer coating liquid is accelerated.
In addition, the invention also provides a rotary kiln cylinder spraying processing method, which comprises the following steps: s1: the rotary kiln cylinder is firstly placed in the clamping mechanism 5, the position of the rotary kiln cylinder when the rotary kiln cylinder is placed in the clamping mechanism is adjusted, and then the clamping mechanism 5 is controlled to clamp the rotary kiln cylinder.
S2: then the electric sliding seat 4 is controlled to drive the clamped rotary kiln cylinder to transversely move, and the inner wall of the rotary kiln cylinder is cleaned by the scraping mechanism 6, so that the surface to be sprayed is ensured to be clean, and dust and oil stains are avoided.
S3: the electric sliding seat 4 drives the rotary kiln cylinder to move to the position of the self-stabilizing spraying mechanism 7 to stay, the prepared paint is introduced into the self-stabilizing spraying mechanism 7 to spray the inner surface of the rotary kiln cylinder, and then the two longitudinally opposite spraying pipes 75 are rapidly switched to be closed and opened through the switching piece 74, so that two different coating liquids are rapidly sprayed to the surface of the rotary kiln cylinder.
S4: waiting for the coating to dry and cure, ensuring a proper drying environment, and accelerating the drying process by using a heating device.
S5: finally, the quality of the sprayed surface is checked to ensure that the coating is uniform and defect-free.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
1. The utility model provides a rotary kiln barrel spraying processingequipment, includes processing platform (1) and two bilateral symmetry fixed connection branch (2) on processing platform (1), its characterized in that: the upper ends of the two supporting rods (2) are fixedly connected with a guide rail (3) together, an electric sliding seat (4) is connected to the guide rail (3) in a sliding manner, a clamping mechanism (5) for clamping the rotary kiln cylinder body is arranged at the lower part of the electric sliding seat (4), a scraping mechanism (6) for cleaning the inner wall of the rotary kiln cylinder body is arranged at the right part of the upper end surface of the processing table (1), and a self-stabilizing spraying mechanism (7) for spraying the inner wall of the rotary kiln cylinder body is arranged on the guide rail (3);
the self-stabilizing spraying mechanism (7) comprises:
The device comprises a shaft rod (71) fixedly connected to the front end face of a guide rail (3) through a fixed block, two triangular brackets (72) hinged to the shaft rod (71) in a bilateral symmetry manner through an L-shaped plate, push cylinders (73) penetrating through the triangular brackets (72) in a sliding manner, a switching piece (74) arranged at one end of each push cylinder (73) close to a clamping mechanism (5), spraying pipes (75) symmetrically arranged on the switching piece (74) and a plurality of spray holes (76) transversely and equidistantly arranged on the spraying pipes (75), wherein two flexible conveying pipes (77) corresponding to and communicated with the spraying pipes (75) are fixedly connected to each push cylinder (73) through fixed columns, and butt joint communication parts (78) are commonly arranged at opposite ends of the two transversely opposite spraying pipes (75);
the triangular bracket (72) is matched with the pushing cylinder (73) so as to support the spraying pipes (75) and keep the spraying pipes in a horizontal state all the time, and the butt joint communication part (78) is used for mutually clamping two spraying pipes (75) which are transversely opposite to each other so as to enhance the stability of the spraying pipes (75);
The switching piece (74) is used for sequentially controlling the opening and closing of the spraying pipe (75) so as to sequentially spray different paints on the inner wall of the rotary kiln cylinder.
2. The rotary kiln cylinder spray processing device according to claim 1, wherein: the switching piece (74) comprises mounting plates (741) fixedly connected to opposite ends of two pushing cylinders (73) through connecting rods, two guide grooves (742) are symmetrically formed in the front and back of the mounting plates (741), each guide groove (742) is formed by an arc section and two vertical sections which are respectively communicated with the upper end and the lower end of the arc section, a rotating shaft (743) is rotatably connected to the center of each mounting plate (741), two bidirectional telescopic rods (744) are fixedly connected to the outer parts of the rotating shafts (743), spraying pipes (75) are fixedly connected to the ends of the bidirectional telescopic rods (744), transfer assemblies (745) for driving the bidirectional telescopic rods (744) to rotate are jointly arranged on the mounting plates (741) and the rotating shafts (743), one side, close to the pushing cylinders (73), of each mounting plate (741) is fixedly connected with an extrusion frame (746) which corresponds to the guide groove (742) in a corresponding mode and is used for extruding a flexible conveying pipe (77) through connecting columns, two guide plates (747) which are arranged in a V-shaped mode are symmetrically fixedly connected to the opening parts of the extrusion frame (746), and the flexible conveying pipe (747) are arranged in a mode, and the flexible conveying pipe (7477) is arranged close to one end of the flexible conveying pipe (77) to the flexible conveying pipe (77).
3. The rotary kiln cylinder spray processing device according to claim 2, wherein: the transmission assembly (745) comprises a rotating shaft (7451) which is rotationally connected to the upper portion of a mounting disc (741) through a vertical rod, a rotating wheel (7452) is fixedly connected to the outer portion of the rotating shaft (7451), belt wheels (7453) are fixedly connected to the outer portions of the rotating shaft (7451) and the rotating shaft (743), a driving belt (7454) is fixedly connected to the outer portions of the two belt wheels (7453) in a common rotation mode, and a limiting rod (7455) for propping against the driving belt (7454) is symmetrically and fixedly connected to the upper portion of one side, away from the pushing cylinder (73), of the mounting disc (741).
4. The rotary kiln cylinder spray processing device according to claim 1, wherein: butt joint intercommunication portion (78) including fixed connection at sleeve (781) that are located the left portion spraying pipe (75) right-hand member and fixed connection at inner tube (782) that are located the right portion spraying pipe (75) left end, inner tube (782) inner chamber fixedly connected with keeps off ring (783), inner tube (782) inner chamber pass through otic placode sliding connection have post (784), fixedly connected with pressure spring (785) between post (784) and the otic placode, post (784) right-hand member fixedly connected with keeps off lid (786) with keeping off ring (783) complex, sleeve (781) inner chamber pass through dead lever fixedly connected with and supply post (784) post cover (787) that the post (784) penetrated.
5. The rotary kiln cylinder spray processing device according to claim 4, wherein: annular liquid bag (788) is embedded on the inner barrel (782), spoke-shaped discs (789) used for extruding the annular liquid bag (788) are fixedly connected to the right part of the baffle cover (786), and annular clamping grooves (7810) used for being matched with the annular liquid bag (788) to enable the sleeve (781) to be clamped with the inner barrel (782) are formed in the inner cavity of the sleeve (781).
6. The rotary kiln cylinder spray processing device according to claim 1, wherein: the rotary kiln is characterized in that an auxiliary jacking unit (8) for jacking and touching the end part of the rotary kiln cylinder body is arranged on the triangular bracket (72) and the pushing cylinder (73) together, the auxiliary jacking unit (8) comprises two transverse sliding rods (81) which are connected to the triangular bracket (72) in a penetrating manner, one ends of the sliding rods (81) close to the clamping mechanism (5) are fixedly connected with a top plate (82), one side of the sliding rods (81) close to the pushing cylinder (73) is fixedly connected with a first triangular block (83) through a vertical rod, one side of the triangular bracket (72) far away from the clamping mechanism (5) is connected with two jacking columns (84) corresponding to the first triangular block (83) through transverse plates in a sliding manner, reset springs (85) are fixedly connected between the jacking columns (84) and the transverse plates, the upper ends of the jacking columns (84) are in contact with the inclined surfaces of the first triangular block (83), and two triangular blocks (86) matched with the jacking columns (84) are symmetrically connected to the outside of the pushing cylinder (73).
7. The rotary kiln cylinder spray processing device according to claim 1, wherein: the scraping mechanism (6) comprises a chute (61) formed in the processing table (1), an L-shaped rod (62) is connected in the chute (61) in a sliding mode, a strip-shaped plate (63) is fixedly connected to the left end of the transverse section of the L-shaped rod (62), a plurality of arc-shaped scraping blades (64) are fixedly connected to the upper portion of the strip-shaped plate (63) at equal intervals, and a collecting box (65) is fixedly connected to the lower portion of the strip-shaped plate (63).
8. The rotary kiln cylinder spray processing device according to claim 1, wherein: the clamping mechanism (5) comprises arc-shaped frames (51) symmetrically hinged to the lower portion of the electric sliding seat (4), hydraulic rods (52) are hinged between the arc-shaped frames (51) and the electric sliding seat (4), and positioning wheel sets (53) are symmetrically arranged on the arc-shaped inner walls of the arc-shaped frames (51) in a rotating mode.
9. The rotary kiln cylinder spray processing device according to claim 7, wherein: the arc-shaped scraping blade (64) is obliquely arranged.
10. A rotary kiln barrel spray coating method, characterized in that the rotary kiln barrel spray coating device according to claim 1 is adopted for cooperation, comprising the following steps:
S1: placing the rotary kiln cylinder body in a clamping mechanism (5), adjusting the position of the rotary kiln cylinder body when the rotary kiln cylinder body is placed in the clamping mechanism, and then controlling the clamping mechanism (5) to clamp the rotary kiln cylinder body;
S2: the electric sliding seat (4) is controlled to drive the clamped rotary kiln cylinder to transversely move, and the inner wall of the rotary kiln cylinder is cleaned through the scraping mechanism (6) to ensure that the surface to be sprayed is clean and free of dust and greasy dirt;
S3: the electric sliding seat (4) drives the rotary kiln cylinder body to move to the position of the self-stabilizing spraying mechanism (7) for stopping, and the prepared paint is introduced into the self-stabilizing spraying mechanism (7) to spray the inner surface of the rotary kiln cylinder body;
S4: waiting for the coating to be dried and cured, ensuring a proper drying environment, and accelerating a drying process by using heating equipment;
s5: and checking the quality of the sprayed surface to ensure that the coating is uniform and defect-free.
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| CN202410627427.8A CN118218174B (en) | 2024-05-21 | 2024-05-21 | Rotary kiln cylinder spraying processing device and spraying method thereof |
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| US5820941A (en) * | 1993-09-22 | 1998-10-13 | Nordson Corporation | Powder spray coating |
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