CN117773740A

CN117773740A - Pretreatment method for high-temperature furnace roller coating

Info

Publication number: CN117773740A
Application number: CN202410052891.9A
Authority: CN
Inventors: 严奇
Original assignee: Shanghai Junshan Surface Technology Engineering Co ltd
Current assignee: Shanghai Junshan Surface Technology Engineering Co ltd
Priority date: 2024-01-13
Filing date: 2024-01-13
Publication date: 2024-03-29

Abstract

The invention relates to the technical field of furnace roller processing, in particular to a pretreatment method for a high-temperature furnace roller coating, which comprises the following steps: s1, placing a furnace roller; s2, cleaning the surface; s3, removing oxide; s5, grinding and polishing; the steps S1, S2 and S3 are completed by adopting a pretreatment device in a matched mode, and the pretreatment device comprises a base plate, a clamping mechanism and a treatment mechanism. According to the invention, the three polishing rollers arranged in the furnace roller are continuously moved backwards along with the rectangular plate, the middle polishing roller is tightly attached to the surface of the furnace roller, meanwhile, the left polishing roller and the right polishing roller are contacted with the furnace roller under the left and right sides of the first spring and are tightly attached to the circumferential surface of the furnace roller, the furnace roller and the polishing roller are enabled to rotate through the cooperation between the first driving group and the third driving group, and the rotation directions are opposite, so that the polishing roller is convenient to polish the circumferential surface of the furnace roller, and the three polishing rollers are arranged to polish simultaneously, so that the polishing effect on the furnace roller is ensured, and meanwhile, the overall working efficiency is improved.

Description

Pretreatment method for high-temperature furnace roller coating

Technical Field

The invention relates to the technical field of furnace roller processing, in particular to a pretreatment method for a high-temperature furnace roller coating.

Background

The high-temperature furnace roller is industrial equipment with larger size and capable of bearing high-temperature environment, and is mainly used for supporting and conducting heat energy in industrial processes such as high-temperature treatment, heat treatment, smelting and the like. The high-temperature furnace roller mainly comprises a roller body, a roller core and two supporting frames which are distributed at two ends, wherein the roller body is hollow in the interior, and a truncated cone-shaped structure is arranged at the position of the roller core and the supporting frames so as to ensure the integral supporting effect.

The surface of the high-temperature furnace roller is provided with a coating layer, the coating layer is a coating material for improving the performance and service life of the high-temperature furnace roller, and the coating layer is generally of a high-temperature wear-resistant structure, has excellent heat resistance, corrosion resistance and wear resistance, can effectively protect the surface of the furnace roller, and improves the service life of the furnace roller.

The high-temperature furnace roller needs to be pretreated on the circumferential surface before coating operation, so that the protection effect of the furnace roller after the coating is formed is ensured. When pretreatment is carried out, firstly, the surface of the furnace roller needs to be cleaned, then the surface of the roller is polished to remove the oxide on the surface of the roller, and then the circumferential surface of the furnace roller is subjected to surface treatment, grinding and polishing, so that the following problems exist in the polishing and cleaning processes: 1. because the surface of the furnace roller which needs to be coated is a circumferential arc surface, and the dimension and the weight of the furnace roller are large, the whole circumferential surface of the furnace roller is difficult to polish by manually matching with external polishing equipment.

2. Impurities and the like are adhered to the surface of the furnace roller, the subsequent polishing process is easy to be influenced, and part of oxide still remains to the surface of the furnace roller after an oxide layer formed on the surface of the furnace roller is polished and crushed, so that the subsequent coating operation is influenced.

Disclosure of Invention

Based on the above, it is necessary to provide a pretreatment method before high-temperature furnace roller coating, which aims to solve the problems that the circumferential surface of the furnace roller is difficult to polish and partial oxide still remains on the surface of the furnace roller after the oxide layer formed on the surface of the furnace roller is polished and crushed in the prior art.

On one hand, the application provides a pretreatment method before high-temperature furnace roller coating, which specifically comprises the following steps:

s1, placing a furnace roller: the furnace roller which needs to be pretreated is clamped and fixed, so that the subsequent treatment process is convenient.

S2, cleaning the surface: the surface of the furnace roller held in step S1 is cleaned with an appropriate cleaning agent or solvent.

S3, removing oxide: and (3) removing the oxide on the surface of the furnace roller cleaned in the step S2, and improving the adhesive force and durability of the coating formed on the subsequent furnace roller.

S4, surface treatment: according to the requirements of the coating material, the furnace roller after oxide removal in the step S3 is subjected to proper surface treatment, namely, the surface roughness of the furnace roller is increased, better adhesive force is provided and better coating adhesion is provided by a method of sand blasting, shot blasting, chemical treatment or laser treatment.

S5, grinding and polishing: and (3) grinding or polishing the surface of the furnace roller subjected to surface treatment in the step S4 according to the required conditions, thereby further improving the surface quality of the furnace roller and the uniformity of the coating.

The step S1, the step S2 and the step S3 are completed by adopting a preprocessing device in a matched mode, and the preprocessing device comprises:

the upper end face of the base plate is provided with a plurality of clamping mechanisms which are distributed from left to right at equal intervals and used for clamping and limiting the furnace roller, and the upper end face of the base plate is provided with through grooves I which are in one-to-one correspondence with the clamping mechanisms.

The side plate is arranged on the front side of the base plate, two bilaterally symmetrical connecting plates are arranged on the rear end face of the side plate in a sliding mode, and rectangular long plates are fixedly arranged on the rear end faces of the two connecting plates.

The processing mechanisms are arranged on the rectangular long plates, are in one-to-one correspondence with the clamping mechanisms and are used for processing the circumferential surfaces of the furnace rollers.

According to an advantageous embodiment, the treatment mechanism comprises a movable column, the activity is provided with the movable column from front to back on the rectangle long board, the fixed rectangular plate that is provided with of rear end face of movable column, the fixed board of placing that is provided with about two of rear end face of rectangular plate, it is provided with drive shaft one to rotate between two places the board, the left and right sides terminal surface of placing the board all articulates and is provided with the swinging plate, it is provided with the driven shaft to rotate jointly between two swinging plates that correspond about, drive shaft one and the equal fixed cover of driven shaft are equipped with the roller of polishing that is used for getting rid of stove roller surface oxide, the up end of board is placed to the upside is provided with the drive group first that is used for driving drive shaft one and driven shaft, the fixed mounting panel that is provided with jointly between two swinging plates that correspond from top to bottom, the fixed opposition board that is provided with between two places the board jointly is provided with between drive shaft one and the rectangular plate, the fixed spring one that arranges from top to bottom of a plurality of opposition between mounting panel and the opposition board.

According to an advantageous embodiment, the first driving set comprises a driving shaft, the upper end face of the placing plate on the upper side is provided with the driving shaft, the first driving shaft and the driven shaft are fixedly sleeved with first chain wheels, all the first chain wheels are connected and matched through second chains, and the driving shaft is provided with a tightening set.

According to an advantageous embodiment, the tightening group comprises a sliding groove, the upper side is provided with a sliding groove from front to back on the upper end face of the placing plate, a sliding block is arranged in the sliding groove in a sliding mode, the sliding block is rotationally connected with the transmission shaft, an L-shaped block is fixedly arranged on the upper end face of the transmission shaft, an electric push rod is fixedly arranged on the upper end face of the upper side placing plate through the vertical plate, and the telescopic end of the electric push rod is fixedly connected with the L-shaped block.

According to an advantageous embodiment, the left end face of rectangular plate is provided with the clearance group, the clearance group includes the fixed column, the fixed column that is provided with of left end face of rectangular plate, and the slip is provided with square block on the fixed column, and square block's rear end face is provided with square plate through the fixed square plate that is provided with of telescopic link, movable mounting on the square plate is followed left to right slip post, and the fixed arc that is provided with of right-hand member face of slip post, and the intrados of arc is provided with the brush, and the fixed spring second of cover on the slip post that is provided with jointly between arc and the square plate, the fixed spacing post that is provided with of lower terminal surface of square block, and spacing post runs through the bed plate.

According to an advantageous embodiment, fixture includes the bed plate, it is provided with circular shape bed plate to rotate on the bed plate, and the axis of all bed plates is coplanar with the axis of spacing post, logical groove two has been seted up to the central point of bed plate, the up end of bed plate is fixed to be provided with circular shape base platform, the holding tank from last to decurrent has been seted up to the up end of base platform, the holding tank divide into two sections, the upper segment of holding tank is the round platform form of inversion, its hypomere part is cylindric, the up end of bed plate has been seted up three circumference evenly distributed's movable block groove, the movable block inslot is provided with curved strut board through the movable block slip, the up end of bed plate is provided with the drive group two that the three strut board was carried out the internal support to the stove roller.

According to an advantageous embodiment, the driving group two comprises a driving shaft two, the upper end face of the base plate is fixedly provided with an erecting block, the erecting block is rotationally provided with a driving shaft two, a driving gear one is fixedly sleeved on the driving shaft two, the upper end face of the base plate is rotationally provided with a gear ring, the upper end face of the gear ring is provided with a tooth structure meshed with the driving gear one, the circumferential surface of the base plate is rotationally provided with a threaded shaft in one-to-one correspondence with the arc plates, the threaded shaft is in threaded fit with a corresponding opening plate, and the end face of the threaded shaft, away from the base plate, is fixedly provided with a driven gear meshed with the tooth structure.

According to an advantageous embodiment, the upper end face of the base plate is provided with a driving group III for driving the base plate to rotate, the driving group III comprises a driving shaft III, the upper end face of the base plate is rotationally provided with a driving shaft III corresponding to the base plate one to one, a driving gear II is fixedly sleeved on the driving shaft III, a meshing circular ring is fixedly sleeved on the circumferential face of the base plate, the circumferential face of the meshing circular ring is of a tooth structure which is meshed with the corresponding driving gear II, a chain wheel II 263 positioned above the driving gear II is fixedly sleeved on the driving shaft III, and all the chain wheels II 263 are connected and matched through a chain II.

According to an advantageous embodiment, the upper end face of the base plate is fixedly provided with three L-shaped plates which are uniformly distributed in the circumferential direction, the horizontal sections of all the L-shaped plates are jointly fixedly provided with a collecting box, the collecting box is of an inverted round platform-shaped structure, and the upper end face of the collecting box is provided with a round platform-shaped collecting groove.

In summary, the present invention includes at least one of the following beneficial effects: 1. according to the invention, the three polishing rollers arranged in the furnace roller are continuously moved backwards along with the rectangular plate, the middle polishing roller is tightly attached to the surface of the furnace roller, meanwhile, the left polishing roller and the right polishing roller are contacted with the furnace roller under the left and right sides of the first spring and are tightly attached to the circumferential surface of the furnace roller, the furnace roller and the polishing roller are enabled to rotate through the cooperation between the first driving group and the third driving group, and the rotation directions are opposite, so that the polishing roller is convenient to polish the circumferential surface of the furnace roller, and the three polishing rollers are arranged to polish simultaneously, so that the polishing effect on the furnace roller is ensured, and meanwhile, the overall working efficiency is improved.

2. The clamping mechanism provided by the invention clamps and limits the vertically placed furnace roller, and the axis of the furnace roller is collinear with the axis of the base plate, so that the subsequent grinding roller is convenient to attach to the furnace roller, and meanwhile, the grinding roller can finely grind the circumferential surface of the furnace roller from top to bottom in a divided manner, and the adhesion and uniformity of the subsequent coating are improved.

3. According to the invention, before polishing, the arc-shaped plate and the brush on the arc-shaped plate are kept close to the furnace roller under the action of the elastic force of the second spring, and along with the rotation of the furnace roller, the brush firstly carries out preliminary cleaning on the circumferential surface of the furnace roller, namely, impurities and other substances on the surface of the furnace roller are brushed down, so that subsequent polishing is facilitated, and in the subsequent polishing process, the rectangular plate drives the square plate to synchronously move through the corresponding fixed column and the telescopic rod, so that the brush brushes down the polished oxide in the circumferential direction of the furnace roller, and the oxide is prevented from being continuously attached to the furnace roller after being polished down to influence subsequent coating operation.

4. The circular table section of the rotating shaft is matched with the upper section of the accommodating groove, so that the axis of the rotating shaft of the furnace roller is overlapped with the axis of the base plate and the axis of the base table, the follow-up clamping and limiting effects are facilitated, the treatment mechanism can clean the circumferential surface of the furnace roller better after the furnace roller is clamped and limited, the three supporting plates are matched with each other to limit and fix the furnace roller, the problem that the polishing roller in the treatment mechanism cannot be tightly attached to the circumferential surface of the furnace roller due to the axis deviation of the furnace roller is avoided, and the problem that the furnace roller affects the follow-up operation and increases the potential safety hazard due to unstable gravity center is avoided.

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 shows a flowchart of a pretreatment method before high temperature furnace roller coating according to an embodiment of the invention.

Fig. 2 shows a schematic perspective view of a structure provided according to an embodiment of the present invention.

Fig. 3 shows a schematic view of a partial perspective structure provided according to an embodiment of the present invention.

Fig. 4 shows a schematic perspective view of a base plate, a limit post and a collection box according to an embodiment of the present invention.

Fig. 5 shows a schematic view of a partial perspective structure between a cleaning group, a grinding roller and a swing plate provided according to an embodiment of the present invention.

Fig. 6 shows an enlarged view at a in fig. 5 provided in accordance with an embodiment of the present invention.

Fig. 7 shows a partial perspective view of an spreader plate, a base table, and an engagement ring provided in accordance with an embodiment of the present invention.

Fig. 8 shows an enlarged view at B in fig. 7 provided in accordance with an embodiment of the present invention.

Fig. 9 shows a partially cut-away perspective view of a base table and threaded shaft provided in accordance with an embodiment of the present invention.

Fig. 10 shows a schematic perspective view of a high temperature furnace roller according to an embodiment of the present invention.

Wherein the above figures include the following reference numerals:

1. a base plate; 10. a first through groove; 2. a clamping mechanism; 20. a base plate; 21. a second through groove; 22. a base table; 220. a receiving groove; 23. a block moving groove; 24. an opening plate; 25. a second driving group; 250. a second driving shaft; 251. a first driving gear; 252. a gear ring; 253. a threaded shaft; 254. a driven gear; 26. a third driving group; 260. a third driving shaft; 261. a second driving gear; 262. engaging the ring; 263. a second chain wheel; 27. an L-shaped plate; 270. a collection box; 3. a side plate; 4. a rectangular long plate; 5. a processing mechanism; 50. a movable column; 51. a rectangular plate; 510. placing a plate; 511. a first driving shaft; 52. a swinging plate; 53. a driven shaft; 54. a grinding roller; 55. driving a first group; 550. a transmission shaft; 551. a sprocket I; 56. a mounting plate; 560. a counter plate; 561. a first spring; 57. tightening the group; 570. a sliding groove; 571. an L-shaped block; 572. an electric push rod; 58. cleaning the group; 580. fixing the column; 581. square blocks; 582. a square plate; 583. a sliding column; 584. an arc-shaped plate; 585. a second spring; 586. and a limit column.

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.

As shown in fig. 1, 2, 3 and 10, the pretreatment method for the high-temperature furnace roller coating specifically comprises the following steps:

S5, grinding and polishing: and (4) grinding or polishing the surface of the furnace roller subjected to the surface treatment in the step (S4). This may further improve the surface quality and the uniformity of the coating.

the furnace roller clamping device comprises a base plate 1, wherein a plurality of clamping mechanisms 2 which are distributed from left to right at equal intervals and used for clamping and limiting the furnace roller are arranged on the upper end face of the base plate 1, and through grooves 10 which are in one-to-one correspondence with the clamping mechanisms 2 are formed in the upper end face of the base plate 1.

The side plate 3, the front side of bed plate 1 is provided with curb plate 3, and the rear end face slip of curb plate 3 is provided with two bilateral symmetry's connecting plate, and the connecting plate is driven by outside cylinder one (not shown in the figure) and is slided from top to bottom, and the rear end face of two connecting plates is fixed together and is provided with rectangle longeron 4.

The processing mechanisms 5 are arranged on the rectangular long plates 4 in a one-to-one correspondence with the clamping mechanisms 2, and are used for processing the circumferential surfaces of the furnace rollers.

During operation, firstly, the furnace rollers with the same number as the clamping mechanisms 2 in pretreatment are placed on the base plate 1, the furnace rollers are clamped through the corresponding clamping mechanisms 2, all the furnace rollers rotate due to the operation of the clamping mechanisms 2, then the circumferential surfaces of the furnace rollers are primarily cleaned by the operation of the treatment mechanism 5, the circumferential surfaces of the furnace rollers after the primary cleaning are deeply cleaned, namely oxides on the circumferential surfaces of the furnace rollers are removed in a polishing mode, the furnace rollers are taken out after the treatment is finished, the furnace rollers which are not treated are placed, and the treatment operation is repeated.

As shown in fig. 3, 5 and 6, the treatment mechanism 5 includes a movable column 50, a front-to-back movable column 50 is movably disposed on the rectangular long plate 4, a rectangular plate 51 is fixedly disposed on a rear end surface of the movable column 50, the movable column 50 is driven by an external cylinder two (not shown in the drawing) to move back and forth, two vertically arranged placing plates 510 are fixedly disposed on a rear end surface of the rectangular plate 51, a driving shaft one 511 is rotatably disposed between the two placing plates 510, swinging plates 52 are hinged to both left and right end surfaces of the placing plates 510, a driven shaft 53 is rotatably disposed between the vertically corresponding two swinging plates 52, grinding rollers 54 for removing oxides on a furnace roller surface are fixedly disposed on the driving shaft one 511 and the driven shaft 53, a driving group one 55 for driving the driving shafts one 511 and 53 is disposed on an upper end surface of the upper placing plate 510, a mounting plate 56 is fixedly disposed between the vertically corresponding two swinging plates 52, a counter plate 560 disposed between the driving shaft one 511 and the rectangular plate 51 is fixedly disposed between the two placing plates 510, and a plurality of springs are fixedly disposed between the counter plates 560 are fixedly disposed between the mounting plate and the counter plate 560.

As shown in fig. 6, the first driving set 55 includes a driving shaft 550, the upper end surface of the upper side of the placing plate 510 is provided with the driving shaft 550, the first driving shaft 511 and the driven shaft 53 are fixedly sleeved with first chain wheels 551, all the first chain wheels 551 are connected and matched through a second chain, the driving shaft 511 is connected with an external motor, and the driving shaft 550 is provided with a tightening set 57.

As shown in fig. 5 and 6, the tightening set 57 includes a sliding groove 570, the upper end surface of the upper placing plate 510 is provided with a front-to-back sliding groove 570, a sliding block is slidably disposed in the sliding groove 570 and is rotatably connected with the transmission shaft 550, an L-shaped block 571 is fixedly disposed on the upper end surface of the transmission shaft 550, an electric push rod 572 is fixedly disposed on the upper end surface of the upper placing plate 510 through a standing plate, and a telescopic end of the electric push rod 572 is fixedly connected with the L-shaped block 571.

As shown in fig. 3 and 5, the left end face of the rectangular plate 51 is provided with a cleaning set 58, the cleaning set 58 includes a fixing column 580, the left end face of the rectangular plate 51 is fixedly provided with the fixing column 580, a square block 581 is slidably provided on the fixing column 580, the rear end face of the square block 581 is fixedly provided with a square plate 582 through a telescopic rod, a sliding column 583 from left to right is movably mounted on the square plate 582, the right end face of the sliding column 583 is fixedly provided with an arc 584, the intrados of the arc 584 is provided with a brush, a second spring 585 sleeved on the sliding column 583 is fixedly provided between the arc 584 and the square plate 582, the lower end face of the square block 581 is fixedly provided with a limit column 586, and the limit column 586 penetrates through the base plate 1.

When the furnace roller is well clamped and limited by the clamping mechanism 2 and rotates, the external cylinder II (not shown in the figure) works to drive the rectangular plate 51 to move backwards through the movable column 50, the rectangular plate 51 drives the driving shaft I511 and the polishing roller 54 on the driving shaft I through the corresponding two placing plates 510 to move backwards, the middle polishing roller 54 moves backwards and clings to the circumferential surface of the furnace roller, meanwhile, the placing plates 510 drive the left driven shaft 53, the right driven shaft 53 and the polishing roller 54 II on the driven shaft 53 to move backwards synchronously through the swinging plates 52 on the placing plates 510, and the mounting plate 56 has a tendency of swinging towards the corresponding placing plates 510 under the action of the elasticity of the corresponding spring I561, so that the mounting plate 56 drives the corresponding polishing roller 54 to be close to the furnace roller through the swinging plates 52 on the mounting plate, and the polishing rollers 54 on the left side and the right side are contacted with the furnace roller and keep clinging to the circumferential surface of the furnace roller along with the continuous backward movement of the rectangular plate 51, and the subsequent polishing effect of an oxide layer on the circumferential surface of the furnace roller is ensured.

Then, the external motor I works to drive the driving shaft I511 to rotate positively, and the rotation direction of the driving shaft I511 is opposite to that of the furnace roller, the driving shaft I511 drives the sprocket I551 on the driving shaft I to rotate synchronously, all the driven shafts 53 and the transmission shafts 550 rotate synchronously through the cooperation between the sprocket I551 and the chain I, so that the three polishing rollers 54 rotate synchronously, the circumferential surfaces of the furnace roller are polished to remove the oxide layer thereon, and after the circumferential surfaces of the furnace roller are polished, the external cylinder I (not shown) works to drive all the rectangular plates 51 to move downwards for a certain distance through the connecting plate and the rectangular long plates 4, and the polishing operation is repeated, so that the polishing rollers 54 polish the circumferential surfaces of the furnace roller.

The electric push rod 572 is arranged to work and drive the L-shaped block 571 to move back and forth through the telescopic end of the electric push rod 572, and the L-shaped block 571 drives the chain II to move through the transmission shaft 550 and the chain wheel I551 on the L-shaped block 571, so that the chain I is kept to be matched with the chain wheel I551 in the swinging process of the left swinging plate 52 and the right swinging plate 52, and the problem that the polishing process is influenced due to the fact that the chain I falls off due to the swinging plate 52 drives the corresponding driven shaft 53 to swing is avoided.

Before the polishing roller 54 polishes the circumferential surface of the furnace roller, the arc 584 and the brush thereon are kept close to the furnace roller under the action of the elastic force of the corresponding spring II 585, the brush is firstly primarily cleaned by matching with the operation of an external cylinder I (not shown in the figure) along with the rotation of the furnace roller, impurities and other substances on the surface of the furnace roller are brushed down, subsequent polishing is facilitated, the rectangular plate 51 drives the square plate 582 to synchronously move through the corresponding fixing column 580 and the telescopic rod in the polishing process, so that the brush brushes down the oxide polished down in the circumferential direction of the furnace roller in the polishing process, the oxide is prevented from being continuously attached to the furnace roller after being polished down to affect subsequent coating operation, the arranged limiting column 586 enables the middle part of the arc 584 to be always positioned in a plane formed by the axis of the furnace roller and the axis of the limiting column 586, the arc 584 is conveniently driven to brush and the circumferential surface of the furnace roller to be attached, and the cleaning effect of the brush on the furnace roller is ensured.

As shown in fig. 4, fig. 7, fig. 8 and fig. 9, the clamping mechanism 2 comprises a base plate 20, the base plate 1 is rotatably provided with a circular base plate 20, the axes of all the base plates 20 are coplanar with the axes of the limit posts 586, a through groove two 21 is formed in the center position of the base plate 20, a circular base table 22 is fixedly arranged on the upper end surface of the base plate 20, a containing groove 220 is formed in the upper end surface of the base table 22 from top to bottom, the containing groove 220 is divided into two sections, the upper section of the containing groove 220 is in an inverted truncated cone shape, the lower section of the containing groove is in a cylindrical shape, three moving block grooves 23 which are uniformly distributed in the circumferential direction are formed in the upper end surface of the base plate 20, an arc-shaped expanding plate 24 is arranged in the moving block grooves 23 in a sliding manner through moving blocks, and a driving group two 25 which drives the three expanding plates 24 to internally support the furnace roller is arranged on the upper end surface of the base plate 20.

As shown in fig. 8, the second driving set 25 includes a second driving shaft 250, an upright block is fixedly disposed on an upper end surface of the base plate 20, the second driving shaft 250 is rotatably disposed on the upright block, a first driving gear 251 is fixedly disposed on the second driving shaft 250 in a sleeved manner, a gear ring 252 is rotatably disposed on an upper end surface of the base plate 20, a tooth structure meshed with the first driving gear 251 is disposed on an upper end surface of the gear ring 252, a threaded shaft 253 corresponding to the arc 584 one to one is rotatably disposed on a circumferential surface of the base plate 22, the threaded shaft 253 is in threaded fit with the corresponding spreader plate 24, a driven gear 254 meshed with the tooth structure is fixedly disposed on an end surface of the threaded shaft 253 away from the base plate 22, and the second driving shaft 250 is connected with an external motor.

As shown in fig. 4 and 7, the upper end surface of the base plate 1 is provided with a third driving group 26 for driving the base plate 20 to rotate, the third driving group 26 includes a third driving shaft 260, the upper end surface of the base plate 1 is rotatably provided with a third driving shaft 260 corresponding to the base plate 20 one by one, the third driving shaft 260 is fixedly sleeved with a second driving gear 261, the circumferential surface of the base plate 1 is fixedly sleeved with a meshing ring 262, the circumferential surface of the meshing ring 262 is of a tooth structure meshed with the corresponding second driving gear 261, the third driving shaft 260 is fixedly sleeved with a second sprocket 263 positioned above the second driving gear 261, all the second sprockets 263 are connected and matched through a second chain, and the third driving shaft 260 at the leftmost side is connected with an external motor three.

During operation, the rotating shaft of the furnace roller to be pretreated is inserted into the through groove two 21 on the corresponding base plate 20 and the corresponding through groove one 10 on the base plate 1, the round table section on the rotating shaft of the furnace roller is inserted into the accommodating groove 220 of the base table 22 under the action of gravity of the furnace roller, and the round table section of the rotating shaft is matched with the upper section of the accommodating groove 220, so that the axis of the rotating shaft of the furnace roller is overlapped with the axis of the base plate 20 and the axis of the base table 22, the follow-up clamping limiting effect is facilitated, meanwhile, the processing mechanism 5 can clean the circumferential surface of the furnace roller better after the furnace roller is clamped and limited, the problem that the polishing roller 54 in the processing mechanism 5 cannot be clung to the circumferential surface of the furnace roller due to the axial deviation of the furnace roller is avoided, the arranged base table 22 plays a bearing role on the placed furnace roller, and the supporting plate 24 is inserted into the inner area of the furnace roller at the moment.

Then the external motor II works to drive the driving shaft II 250 to synchronously rotate forward, the driving shaft II 250 drives the driving gear I251 to synchronously rotate, the gear ring 252 synchronously rotates reversely through the meshing of the driving gear I251 and the tooth structures of the corresponding gear ring 252, the driven gear 254 synchronously rotates forward through the meshing of the gear ring 252 and the corresponding three driven gears 254, the threaded shaft 253 follows the corresponding driven gear 254 to synchronously rotate, the supporting plates 24 are far away from the base table 22 through the matching between the threaded shaft 253 and the corresponding supporting plates 24, so that the corresponding three supporting plates 24 are far away from the corresponding base table 22 simultaneously to mutually coordinate and fix the limit of the furnace roller, and the axis coincidence of the furnace roller and the axis of the base table 22 and the supporting of the furnace roller are ensured, so that the problems that the follow-up operation is influenced by unstable gravity of the furnace roller and potential safety hazards are avoided.

After the furnace roller is fixed and well limited, an external motor III works to drive a driving shaft III 260 at the leftmost side to synchronously rotate, the driving shaft III 260 drives a chain wheel II 263 on the driving shaft III to synchronously rotate, all chain wheels II 263 and corresponding driving shafts III 260 synchronously rotate positively through the cooperation between the chain wheels II 263 and the chain II, the driving shaft III 260 drives a corresponding driving gear II 261 to rotate, and a base plate 1 synchronously rotates reversely through the meshing between the driving gear II 261 and a tooth structure on a corresponding meshing ring 262, so that all the base plates 1 drive the furnace roller with well-limited clamping on the base plate 1 to synchronously rotate, the furnace roller and a polishing roller 54 in a processing mechanism 5 rotate in opposite directions, polishing is facilitated, and then the processing mechanism 5 works to polish the furnace roller.

As shown in fig. 4, the upper end surface of the base plate 1 is fixedly provided with three L-shaped plates 27 which are uniformly distributed in the circumferential direction, the horizontal sections of all L-shaped plates 27 are fixedly provided with a collecting box 270 together, the collecting box 270 is in an inverted truncated cone-shaped structure, and the upper end surface of the collecting box 270 is provided with a truncated cone-shaped collecting groove.

When the processing mechanism 5 performs polishing operation, the collection groove on the collection box 270 is used for collecting impurities brushed down by the hairbrush and polished oxide layers, so that the impurities and polished oxide layers are prevented from falling into the clamping mechanism 2 to influence normal operation.

During specific work, the rotating shafts of the furnace rollers to be pretreated are inserted into the through grooves II 21 on the corresponding base plates 20 and the corresponding through grooves I10 on the base plates 1, then the corresponding three supporting plates 24 are mutually matched to limit and fix the furnace rollers through the work of the driving groups II 25, then all the base plates 1 of the driving groups III 26 work to drive the furnace rollers which are clamped and limited on the base plates 1 to synchronously rotate, and the rotation directions of the furnace rollers are opposite to that of the polishing rollers 54 in the processing mechanism 5.

Then, the external cylinder II (not shown) works to drive the rectangular plate 51 to move backwards through the movable column 50, the middle polishing roller 54 moves backwards and clings to the circumferential surface of the furnace roller, the mounting plate 56 has a tendency of swinging towards the corresponding placing plate 510 under the action of the elastic force of the spring I561 correspondingly arranged, so that the polishing rollers 54 on the left side and the right side are contacted with the furnace roller and keep clinging to the circumferential surface of the furnace roller, and the driving group I55 works to enable the three polishing rollers 54 to synchronously rotate and polish the circumferential surface of the furnace roller.

Before the polishing roller 54 polishes the circumferential surface of the furnace roller, the arc 584 and the brush thereon are kept close to the furnace roller under the action of the elastic force of the spring II 585 of She Haizi, and the brush is matched with the operation of an external cylinder I (not shown in the figure) to primarily clean the circumferential surface of the furnace roller along with the rotation of the furnace roller, and the rectangular plate 51 drives the square plate 582 to synchronously move through the corresponding fixing column 580 and the telescopic rod in the polishing process, so that the brush brushes the polished oxide on the circumferential surface of the furnace roller.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

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 description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.

Claims

1. The pretreatment method for the high-temperature furnace roller coating is characterized by comprising the following steps of:

s1, placing a furnace roller: the furnace roller to be pretreated is clamped and fixed, so that the subsequent treatment process is facilitated;

s2, cleaning the surface: cleaning the surface of the furnace roller clamped in the step S1 by using a proper cleaning agent and a proper solvent;

s3, removing oxide: removing oxides on the surface of the furnace roller cleaned in the step S2, and improving the adhesive force and durability of a coating formed on a subsequent furnace roller;

s4, surface treatment: according to the requirements of the coating materials, carrying out proper surface treatment on the furnace roller after oxide removal in the step S3, namely, increasing the surface roughness of the furnace roller, providing better adhesive force and providing better coating adhesion through a method of sand blasting, shot blasting, chemical treatment or laser treatment;

s5, grinding and polishing: the surface of the furnace roller subjected to surface treatment in the step S4 is subjected to grinding or polishing treatment, so that the surface quality and the uniformity of the coating can be further improved;

the furnace roller clamping device comprises a base plate (1), wherein the upper end face of the base plate (1) is provided with a plurality of clamping mechanisms (2) which are equidistantly distributed from left to right and are used for clamping and limiting the furnace roller, and the upper end face of the base plate (1) is provided with through grooves I (10) which are in one-to-one correspondence with the clamping mechanisms (2);

the side plate (3), the front side of the base plate (1) is provided with the side plate (3), the rear end face of the side plate (3) is provided with two connecting plates which are bilaterally symmetrical in a sliding way, and the rear end faces of the two connecting plates are fixedly provided with rectangular long plates (4) together;

the treatment mechanisms (5) are arranged on the rectangular long plates (4), are in one-to-one correspondence with the clamping mechanisms (2) and are used for treating the circumferential surfaces of the furnace rollers;

the treatment mechanism (5) comprises a movable column (50), the movable column (50) from front to back is movably arranged on the rectangular long plate (4), a rectangular plate (51) is fixedly arranged on the rear end face of the movable column (50), two placing plates (510) which are arranged up and down are fixedly arranged on the rear end face of the rectangular plate (51), a driving shaft I (511) is rotatably arranged between the two placing plates (510), swinging plates (52) are hinged to the left end face and the right end face of the placing plate (510), a driven shaft (53) is jointly rotatably arranged between the two swinging plates (52) which correspond up and down, polishing rollers (54) for removing oxides on the surface of a furnace roller are fixedly sleeved on the driving shaft I (511) and the driven shaft (53), driving groups I (55) for driving the driving shaft I (511) and the driving shaft 53) are fixedly arranged on the upper end face of the upper side placing plate (510), a mounting plate (56) is jointly fixedly arranged between the two swinging plates (52) which correspond up and down, a plurality of springs (560) are jointly arranged between the driving shaft I (511) and the opposite plates (51) and the opposite plates (560) in a mutually fixed mode.

2. The pretreatment method for high temperature furnace roller coating according to claim 1, wherein: the first driving group (55) comprises a driving shaft (550), the upper end face of the placing plate (510) on the upper side is provided with the driving shaft (550), the driving shaft (511) and the driven shaft (53) are fixedly sleeved with first chain wheels (551), all the first chain wheels (551) are connected and matched through a second chain, and the driving shaft (550) is provided with a tightening group (57).

3. The pretreatment method for high temperature furnace roller coating according to claim 2, wherein: the tightening group (57) comprises a sliding groove (570), the upper side is provided with a sliding groove (570) from front to back on the upper end face of the placing plate (510), a sliding block is arranged in the sliding groove (570) in a sliding mode, the sliding block is rotationally connected with the transmission shaft (550), an L-shaped block (571) is fixedly arranged on the upper end face of the transmission shaft (550), an electric push rod (572) is fixedly arranged on the upper end face of the upper side placing plate (510) through an upright plate, and the telescopic end of the electric push rod (572) is fixedly connected with the L-shaped block (571).

4. The pretreatment method for high temperature furnace roller coating according to claim 1, wherein: the left end face of rectangular plate (51) is provided with clearance group (58), clearance group (58) include fixed column (580), the fixed column (580) that is provided with of left end face of rectangular plate (51), the fixed column (580) is gone up to slide and is provided with square piece (581), the rear end face of square piece (581) is fixed through the telescopic link and is provided with square board (582), movable mounting has sliding column (583) from left to right on square board (582), the fixed arc (584) that is provided with of right-hand member face of sliding column (583), the intrados of arc (584) is provided with the brush, the fixed spring two (585) that are provided with the cover and establish on sliding column (583) jointly between arc (584) and square board (582), the fixed spacing post (586) that is provided with of lower terminal surface of square piece (581), and spacing post (586) run through bed plate (1).

5. The pretreatment method for high temperature furnace roller coating according to claim 1, wherein: the clamping mechanism (2) comprises a base plate (20), the base plate (1) is rotatably provided with a circular base plate (20), the axes of all the base plates (20) and the axes of the limiting columns (586) are coplanar, a through groove II (21) is formed in the center position of the base plate (20), a circular base table (22) is fixedly arranged on the upper end face of the base plate (20), a containing groove (220) is formed in the upper end face of the base table (22) from top to bottom, the containing groove (220) is divided into two sections, the upper section of the containing groove (220) is in an inverted round table shape, the lower section of the containing groove is cylindrical, three block moving grooves (23) which are uniformly distributed in the circumferential direction are formed in the upper end face of the base plate (20), an arc-shaped supporting plate II (25) is arranged in the upper end face of the base plate (20) and drives three supporting plates (24) to support furnace rollers in a sliding mode.

6. The pretreatment method for high temperature furnace roller coating according to claim 5, wherein: the second driving group (25) comprises a second driving shaft (250), an upright block is fixedly arranged on the upper end face of the base plate (20), the second driving shaft (250) is rotatably arranged on the upright block, a first driving gear (251) is fixedly sleeved on the second driving shaft (250), a gear ring (252) is rotatably arranged on the upper end face of the base plate (20), a tooth structure meshed with the first driving gear (251) is arranged on the upper end face of the gear ring (252), threaded shafts (253) corresponding to the arc plates (584) one to one are rotatably arranged on the circumferential face of the base plate (22), the threaded shafts (253) are in threaded fit with the corresponding opening plates (24), and driven gears (254) meshed with the tooth structure are fixedly arranged on the end faces of the threaded shafts (253) away from the base plate (22).

7. The pretreatment method for high temperature furnace roller coating according to claim 1, wherein: the upper end face of bed plate (1) is provided with and is used for driving the pivoted drive group III (26) of bed plate (20), drive group III (26) are including drive shaft III (260), the up end rotation of bed plate (1) is provided with drive shaft III (260) with bed plate (20) one-to-one, fixed cover is equipped with drive gear II (261) on drive shaft III (260), the fixed cover of circumference face of bed plate (1) is equipped with meshing ring (262), the circumference face of meshing ring (262) be with the tooth structure of corresponding drive gear II (261) intermeshing, fixed cover is equipped with sprocket II (263) that are located drive gear II (261) top on drive shaft III (260), connect the cooperation through the chain between all sprocket II (263).

8. The pretreatment method for high temperature furnace roller coating according to claim 1, wherein: the utility model discloses a collecting box, including bed plate (1), collecting box (270) and collecting box (270), wherein the up end of bed plate (1) is fixed to be provided with L shaped plate (27) that three circumference evenly arranged, and the horizontal segment of all L shaped plate (27) is fixed jointly and is provided with collecting box (270), and collecting box (270)'s up end has seted up the collecting vat of round platform shape.