CN110894604A

CN110894604A - Laser cladding process for die

Info

Publication number: CN110894604A
Application number: CN201910978936.4A
Authority: CN
Inventors: 李建军; 俞翔; 蒋佳丽; 顾剑锋; 王博; 张幸; 杨旭东
Original assignee: Ikd Co ltd; Shanghai Jiaotong University
Current assignee: Ikd Co ltd; Shanghai Jiaotong University
Priority date: 2019-07-24
Filing date: 2019-10-15
Publication date: 2020-03-20
Anticipated expiration: 2039-10-15
Also published as: CN110306185A; CN110894604B

Abstract

The invention discloses a laser cladding process for a die, which comprises the following process steps: stirring raw materials, wherein the step a comprises a stirring piece, and cladding coating materials are uniformly stirred by the stirring piece; b, moving a unit, wherein the step b comprises a base, pushing the base, and pushing the cladding material to a set position for subsequent coating work; c, coating transmission, wherein the mixed cladding coating material is transmitted to a workpiece to be coated in the step c; d, coating, wherein the step d comprises a discharging part, coating materials are conveyed to the surface of a workpiece, the discharging part is moved by pushing the base, and the coating materials are coated on the surface of the workpiece by the discharging part.

Description

Laser cladding process for die

Technical Field

The invention relates to the field of mold surface treatment, in particular to a mold laser cladding process.

Background

The pressure casting (short for pressure casting) process is a high-efficiency metal forming process without cutting, which is a main casting mode of non-metal alloys such as aluminum alloy, magnesium alloy and the like, molten metal enters a die cavity, and the die casting process is carried out along with cooling and widely applied to the fields of automobiles, aviation, digital electronic products and the like, and the pressure casting die is the most key part of the pressure casting.

The aluminum alloy die is subjected to shock heating during pouring, is chilled by spraying during die opening, is subjected to thermal fatigue after a certain number of cycles, and is treated by a die surface modification process after the thermal fatigue of the die, the surface modification process technology of the die is to improve the hardness, the strength and the thermal fatigue of the surface of the die by surface heat treatment, chemical heat treatment, laser treatment and other processes, adopt chemical heat treatment such as boronization, and enhance the wear resistance of the surface of the die by boronization treatment, but because the surface of a boronization layer has a larger brittleness problem, the thermal fatigue performance is not improved in the surface modification process of the conventional aluminum alloy die-casting die, a pasty cladding material needs to be placed on the surface of a die piece before laser, and the common preset cladding material mode comprises a preset coating layer and a preset sheet type, wherein the manual coating is applied when the coating layer is preset, the powder for cladding is prepared into a paste by using a, because the manual coating can not control the force of pressing the brush by hand, the mode has low efficiency, and the cladding coating material has different surface thicknesses due to different brush stress, so that the laser cladding process of the die is provided.

Disclosure of Invention

The invention provides a method for preparing a cobalt-based alloy coating, which is used for improving the surface hardness and improving the thermal fatigue performance of a die while solving the problem that the thermal fatigue performance is not improved highly in the process of modifying the surface of an aluminum alloy die-casting die by using a laser cladding method.

In order to solve the technical problems, the invention provides the following technical scheme:

stirring raw materials, wherein the step a comprises a stirring piece, and cladding coating materials are uniformly stirred by the stirring piece to avoid agglomeration;

b, a moving unit, wherein the step b comprises a base for pushing the stirring piece to move, and the cladding material stirred by the stirring piece is pushed to a set position by artificially pushing the base to perform subsequent coating work;

c, coating is transmitted, and the cladding coating material mixed by the stirring piece is transmitted to a workpiece to be coated in the step c;

d, coating, wherein the coating transmitted in the step c is coated on a discharging piece on a coated workpiece in the step d, the mixed coating material is transmitted to the surface of the workpiece with coating, the base is pushed by manpower to move the discharging piece along the upper surface of the workpiece with coating, and the discharging piece is utilized to coat the coating material on the surface of the workpiece.

Preferably, the base top is connected with the storage cylinder, the stirring piece sets up on the storage cylinder, the storage cylinder top slides and runs through there is the inlet pipe, inlet pipe top intercommunication has the funnel, base one side has been connected with two supports, and the one end that the base was kept away from to two supports is connected with the mounting panel, a plurality of shrinkage pools are established at the mounting panel top, the inside spout that is equipped with of mounting panel.

Preferably, mounting panel one side is equipped with the regulating part, and regulating part one end sliding connection is inside the spout, the one end that the mounting panel was kept away from to the regulating part is connected with out the material piece, storage silo one side intercommunication has the conveying pipeline, the conveying pipeline slides and runs through the regulating part, the one end that the regulating part was kept away from to the conveying pipeline communicates with the input of play material piece, the base bottom is four gyro wheels of rectangular connection.

Preferably, the stirring piece includes rotating turret, motor and puddler, the rotating turret rotates to be connected inside the storage cylinder, and the rotating turret keeps away from the one end of storage cylinder and the output fixed connection of motor, the rotating turret bottom is connected with the promotion piece the puddler is equipped with two, and two puddlers and rotating turret both ends fixed connection, stirring turret top fixedly connected with transmitting gear, the inside external tooth that is equipped with of storage cylinder, and transmitting gear and external tooth meshing.

Preferably, the rotating of the stirring rod stirs the coating material in the storage cylinder.

Preferably, the regulating part comprises an I-shaped block, a guide wheel, an extension plate and a telescopic cylinder, the I-shaped block is slidably connected inside the chute, the top of the I-shaped block is connected with the shrinkage pool through screws in a threaded manner, two sides of the I-shaped block are connected with two connecting plates, the two connecting plates are fixedly connected with the two sides of the guide wheel in a rotating manner, the conveying pipe is slidably connected to the outer side of the guide wheel, one side of the I-shaped block away from the guide wheel is fixedly connected with the extension plate, the telescopic cylinder is connected to the top of the extension plate, the output end of the telescopic cylinder is connected with the fixed block, the threaded rod of the fixed block cylinder is connected with the thread of the discharge part, the bottom of the extension plate.

Preferably, through the adjustment of the adjusting piece, the cladding materials with different thicknesses needing to be coated can be coated.

Preferably, it includes ejection of compact shell, rotor plate, threaded rod and cylinder briquetting to go out the material piece, ejection of compact shell top is connected with two connecting blocks, and two connecting blocks pass through bolted connection with the fixed block both sides, ejection of compact shell both sides are connected with two fixed plates, and the fixed plate is equipped with a plurality of screw holes, the rotor plate both sides are rotated with two fixed plates and are connected, the threaded rod is equipped with two, and two threaded rods pass through screw hole and rotor plate both sides threaded connection respectively, the cylinder briquetting is located the rotor plate and keeps away from the one end of connecting block, and the cylinder briquetting rotates with the rotor plate to be connected.

Preferably, the cylinder briquetting both ends are equipped with the arcuation and sweep the limit piece, the rotor plate both sides are equipped with the arc track, the inside regulation nail that is equipped with of arc track, regulation nail and sweeping limit piece threaded connection, the one end that ejection of compact shell is close to the cylinder briquetting is equipped with a plurality of discharge gates.

Preferably, the arc-shaped edge sweeping block guides the coating raw material at the edge of the rotating plate to the lower end of the discharging shell in the coating process.

Compared with the prior art, the process of the invention has the following beneficial effects:

the adjusting piece is adjusted according to the thickness of the required cladding material through the cladding material coating device, coating of cladding materials with different thicknesses is facilitated, the telescopic cylinder is used for driving the cylindrical roller to roll during coating, coating uniformity is guaranteed, manual output can be reduced, and the stirring piece is used for avoiding coagulation of the output pasty cladding material.

Drawings

Fig. 1 is a schematic view of the overall structure of a cladding and coating device;

FIG. 2 is a rear view of the structure of FIG. 1;

FIG. 3 is a schematic view of a half-section structure of the stirring part;

FIG. 4 is an enlarged view of the area B in FIG. 2;

FIG. 5 is an enlarged view of the area A in FIG. 1;

FIG. 6 is a schematic view of a half-section structure of a discharging part;

FIG. 7 is a schematic view of a structure of a side sweep block;

fig. 8 is a schematic structural view of the device placed on a coating workbench.

In the figure: a 1-stirring device; d 1-spreading device; 1-a base; 2-a material storage cylinder; 3-stirring the components; 4-a feed pipe; 5-a funnel; 6-a scaffold; 7-mounting a plate; 8-concave holes; 9-a chute; 10-an adjustment member; 11-a discharge member; 12-a conveying pipeline; 13-a roller; 14-a turret; 15-a motor; 16-a stirring rod; 17-a rotating gear; 18-external teeth; 19-an i-shaped block; 20-a guide wheel; 21-a support plate; 22-a telescopic cylinder; 23-a connecting plate; 24-fixing blocks; 25-loop sleeve; 26-a discharge shell; 27-a rotating plate; 28-threaded rod; 29-cylindrical briquetting; 30-connecting blocks; 31-a fixing plate; 32-a threaded hole; 33-a discharge hole; 34-a push sheet; 35-edge sweeping block; 36-an arcuate track; 37-adjusting the nail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the method includes the following steps: stirring raw materials, wherein the step a comprises a stirring piece 3, and cladding coating materials are uniformly stirred by the stirring piece 3 to avoid agglomeration; b, moving a unit, wherein the step b comprises pushing the base 1 of the stirring piece 3 to move, and pushing the cladding material stirred by the stirring piece 3 to a set position by manually pushing the base 1 to perform subsequent coating work; c, coating is conveyed, and the cladding coating material mixed by the stirring piece 3 is conveyed to a workpiece to be coated in the step c; d, coating, wherein the coating transmitted in the step c is coated on the discharging piece 11 on the coated workpiece in the step d, the mixed coating material is transmitted to the surface of the workpiece with coating, the base 1 is pushed by manpower to move the discharging piece 11 along the upper surface of the workpiece with coating, and the discharging piece 11 is used for coating the coating material on the surface of the workpiece.

The specific implementation mode is as follows: the method comprises the steps of opening a die under a die opening device, taking out a core, a cavity, a male die and a female die of a working part of the die, removing an oxide film on the surface of the hot working die of the core, the cavity, the male die and the female die by using a polisher, cleaning and collecting large sundries such as the polished oxide film and the like, avoiding material waste and simultaneously avoiding abrasion of scraps to workers, wiping by using an organic solvent or a cleaning agent after cleaning is finished, removing sundries such as oil stain and metal dust and the like, wherein the organic solvent is alcohol or acetone and the like, starting to prepare laser cladding after the surface of the die is wiped, preparing a cobalt-based alloy coating by adjusting process parameters such as laser power, scanning speed, defocusing amount and the like, improving the thermal fatigue resistance of the die while improving the surface hardness, the laser power is 500-1000W, the scanning speed is 5-20 mm/s, the defocusing amount is 5-15 mm, and the cobalt-based, the coating thickness is 800 to 1500 μm, and the hardness is 500 to 800 Hv.

The top of the base 1 is connected with a storage barrel 2, the stirring part 3 is arranged on the storage barrel 2, the top of the storage barrel 2 is slidably penetrated through with a feed pipe 4, the top of the feed pipe 4 is communicated with a funnel 5, one side of the base 1 is connected with two brackets 6, one ends of the two brackets 6 far away from the base 1 are connected with a mounting plate 7, the top of the mounting plate 7 is provided with a plurality of concave holes 8, the mounting plate 7 is internally provided with a chute 9, one side of the mounting plate 7 is provided with an adjusting part 10, one end of the adjusting part 10 is slidably connected inside the chute 9, one end of the adjusting part 10 far away from the mounting plate 7 is connected with a discharge part 11, one side of the storage barrel 2 is communicated with a feed pipe 12, the feed pipe 12 is slidably penetrated through the adjusting part 10, one end of the feed pipe 12 far away from the adjusting part 10 is communicated with the input, the adjusting piece 10 is adjusted according to the thickness of the needed cladding material, so that the cladding material with different thicknesses can be conveniently coated, the telescopic cylinder 22 is used for driving the cylindrical pressing block 29 to roll during coating, the coating uniformity is ensured, meanwhile, the manual output is reduced, and meanwhile, the setting of the stirring piece 3 is used for avoiding the coagulation of the output pasty cladding material.

Stirring piece 3 includes rotating turret 14, motor 15 and puddler 16, rotating turret 14 rotates to be connected inside storage cylinder 2, and rotating turret 14 keeps away from the one end of storage cylinder 2 and the output fixed connection of

motor

15, 14 bottoms of rotating turret are connected with and promote piece 34 puddler 16 is equipped with two, and two

puddlers

16 and 14 both ends fixed connection of rotating turret, stirring turret top fixedly connected with rotating

gear

17, 2 inside outer teeth 18 that are equipped with of storage cylinder, and rotating gear 17 and the meshing of outer teeth 18, the rotation of puddler 16 will be located the inside material of paining of storage cylinder 2 and stir.

The specific implementation mode is as follows: placing the drawn die workpiece on a coating workbench, wherein the specific placing mode is as shown in fig. 8, placing the roller 13 of the base 1 on a track of the workbench, the specific dimensions of the base 1 and the support 6 in the device can be customized according to the height of the workpiece to be coated, adjusting the shape block 19 in the device according to the height of the die workpiece placed on the workbench, adjusting the shape block 19 to the rightmost side, adjusting the positions of the discharging shell 26 and the rotating plate 27 at the same time until the cylindrical pressing block 29 can just press the coating layer on the surface of the workpiece, pouring the mixed pasty coating material into the storage barrel through the hopper 5, feeding the coating material into the storage barrel 2 through the feeding pipe 4, starting the motor 15, rotating the rotating frame 14 inside the storage barrel 2 under the rotating action of the motor 15, and simultaneously rotating the pushing sheet 34 connected with the rotating frame 14 inside the storage barrel 2, under the pushing action of the pushing sheet 34, on one hand, the stirring inside the storage barrel 2 is accelerated, on the other hand, the pasty cladding material inside the storage barrel 2 is pushed to enter the conveying pipe 12, because two ends of the rotating frame 14 are fixedly connected with the two stirring rods 16, under the rotating action of the rotating frame 14, the stirring rods 16 rotate, and meanwhile, because the rotating gear 17 at the top of the stirring rods 16 is meshed with the external teeth 18 inside the storage barrel 2, under the action of the rotating frame 14, the rotating gear 17 rotates along the external teeth 18, so that the stirring rods 16 and the rotating frame 14 are ensured to stably rotate inside the storage barrel 2, the stirred pasty cladding material is pushed out by the pushing sheet 34, and the outflow of the cladding material is accelerated.

The adjusting piece 10 comprises an I-shaped block 19, a guide wheel 20, a support plate 21 and a telescopic cylinder 22, the I-shaped block 19 is connected inside the sliding chute 9 in a sliding way, the top of the I-shaped block 19 is in threaded connection with the concave hole 8 through a screw, two connecting plates 23 are connected on two sides of the I-shaped block 19, and two connecting plates 23 are fixedly and rotatably connected with two sides of the guide wheel 20, the material conveying pipe 12 is connected with the outer side of the guide wheel 20 in a sliding way, one side of the shaped block 19, which is far away from the guide wheel 20, is fixedly connected with a support plate 21, the telescopic cylinder 22 is connected with the top of the support plate 21, and the output end of the telescopic cylinder 22 is connected with a fixed block 24, a threaded rod 28 of the fixed block 24 is in threaded connection with the discharging part 11, the bottom of the support plate 21 is provided with a ring sleeve 25, the feed delivery pipe 12 penetrates through the I-shaped block 19 in a sliding manner, the feed delivery pipe 12 penetrates through the ring sleeve 25 in a sliding manner, through the adjustment of the adjusting piece, cladding materials with different thicknesses can be coated.

The specific implementation mode is as follows: the feed delivery pipe 12 carries the cladding material to pass through the guide wheel 20 to ensure the guide motion of the feed delivery pipe 12, according to the position of the required cladding material, a screw at the top of the I-shaped block 19 is connected with the concave hole 8, the position of the I-shaped block 19 is adjusted, the ring sleeve 25 at the bottom of the support plate 21 is beneficial to ensuring the stability of the feed delivery pipe 12, the feed delivery pipe 12 is communicated with the discharge shell 26, when the cladding material flows to the discharge shell 26, the telescopic cylinder 22 is simultaneously started, the fixed block 24 connected with the output end of the telescopic cylinder 22 is pushed under the power action of the telescopic cylinder 22, the fixed block 24 is connected with the discharge shell 26, the discharge shell 26 is pushed to the position to be coated, according to the thickness to be coated, the position of the cylindrical press block 29 and the position of the fixed block 24 are adjusted, the cladding material flows out through the discharge hole 33, under the pull-back action of the telescopic cylinder 22, the discharge shell 26 is pulled back, the cladding material flowing out of the discharge port 33 is compacted by the cylindrical pressing block 29, so that the cladding material is ensured to be uniformly coated, and the coated material can be compacted on the surface of the die workpiece.

The discharging part 11 comprises a discharging shell 26, a rotating plate 27, a threaded rod 28 and a cylindrical pressing block 29, wherein the top of the discharging shell 26 is connected with two connecting blocks 30, the two connecting blocks 30 are connected with the two sides of a fixing block 24 through bolts, the two sides of the discharging shell 26 are connected with two fixing plates 31, the fixing plates 31 are provided with a plurality of threaded holes 32, the two sides of the rotating plate 27 are rotatably connected with the two fixing plates 31, the threaded rod 28 is provided with two threaded rods 28, the two threaded rods 28 are respectively in threaded connection with the two sides of the rotating plate 27 through the threaded holes 32, the cylindrical pressing block 29 is positioned at one end of the rotating plate 27 far away from the connecting blocks 30, the cylindrical pressing block 29 is rotatably connected with the rotating plate 27, the two ends of the cylindrical pressing block 29 are provided with arc-shaped edge sweeping blocks 35, the two sides of the rotating plate 27 are provided with arc-, one end of the discharging shell 26 close to the cylindrical pressing block 29 is provided with a plurality of discharging holes 33, and the arc-shaped edge sweeping block 35 guides the coating raw materials at the edge of the rotating plate 27 to the lower end of the discharging shell 28 in the coating process.

The specific implementation mode is as follows: according to the difference of required coating thickness, the threaded rod 28 on the outer side of the fixed plate 31 is drawn out, the rotating plate 27 is rotated to a proper position, the threaded rod 28 is rotated to the threaded hole 32, the rotating plate 27 is in threaded connection with the fixed plate 31, after the cladding material flows out of the discharge hole 33, the cladding material is compacted through the cylindrical pressing block 29, the edge sweeping block 35 is favorable for scraping the redundant cladding material at the two ends of the cylindrical pressing block 29, and the phenomenon of excessive edge thickness is avoided.

In the scheme, the motor 15 is preferably YE2-112M-4, the telescopic cylinder 22 is preferably SC, and circuits and control related to the invention are all in the prior art and are not described in too much detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A laser cladding process of a mold is characterized by comprising the following process steps: stirring raw materials, wherein the step a comprises a stirring piece (3), and cladding coating materials are uniformly stirred by the stirring piece (3) to avoid agglomeration; b, a moving unit, wherein the step b comprises pushing a base (1) of the stirring piece (3) to move, and the cladding material stirred by the stirring piece (3) is pushed to a set position by manually pushing the base (1) to perform subsequent coating work; c, coating is conveyed, and the cladding coating material mixed by the stirring piece (3) is conveyed to a workpiece to be coated in the step c; d, coating, wherein the coating transmitted in the step c is coated on a discharging piece (11) on the coated workpiece in the step d, the mixed coating material is transmitted to the surface of the workpiece with coating, the base (1) is pushed by manpower to move the discharging piece (11) along the upper surface of the workpiece with coating, and the discharging piece (11) is used for coating the coating material on the surface of the workpiece.

2. The laser cladding process of the mold as claimed in claim 1, wherein a storage barrel (2) is connected to the top of the base (1), the stirring member (3) is arranged on the storage barrel (2), a feeding pipe (4) penetrates through the top of the storage barrel (2) in a sliding manner, a funnel (5) is communicated with the top of the feeding pipe (4), two supports (6) are connected to one side of the base (1), one ends, far away from the base (1), of the two supports (6) are connected with a mounting plate (7), a plurality of concave holes (8) are formed in the top of the mounting plate (7), and a sliding groove (9) is formed in the mounting plate (7).

3. The cladding and coating device according to claim 2, wherein one side of the mounting plate (7) is provided with an adjusting member (10), one end of the adjusting member (10) is slidably connected inside the chute (9), one end of the adjusting member (10) away from the mounting plate (7) is connected with a discharging member (11), one side of the storage barrel (2) is communicated with a conveying pipe (12), the conveying pipe (12) slidably penetrates through the adjusting member (10), one end of the conveying pipe (12) away from the adjusting member (10) is communicated with an input end of the discharging member (11), and the bottom of the base (1) is rectangularly connected with four rollers (13).

4. The cladding and smearing device according to claim 2, wherein the stirring part (3) comprises a rotating frame (14), a motor (15) and stirring rods (16), the rotating frame (14) is rotatably connected inside the storage barrel (2), one end of the rotating frame (14), far away from the storage barrel (2), is fixedly connected with the output end of the motor (15), the bottom of the rotating frame (14) is connected with two pushing pieces (34), the stirring rods (16) are fixedly connected with two ends of the rotating frame (14), the top of the stirring frame is fixedly connected with a rotating gear (17), external teeth (18) are arranged inside the storage barrel (2), and the rotating gear (17) is meshed with the external teeth (18).

5. Cladding coating device according to claim 4, wherein the rotation of the stirring rod (16) stirs the coating material inside the storage cylinder (2).

6. The cladding and coating device according to claim 3, wherein the adjusting member (10) comprises an I-shaped block (19), a guide wheel (20), a support plate (21) and a telescopic cylinder (22), the I-shaped block (19) is slidably connected inside the chute (9), the top of the I-shaped block (19) is in threaded connection with the concave hole (8) through a screw, two connecting plates (23) are connected to two sides of the I-shaped block (19), the two connecting plates (23) are fixedly and rotatably connected with two sides of the guide wheel (20), the material conveying pipe (12) is slidably connected to the outer side of the guide wheel (20), one side of the I-shaped block (19) far away from the guide wheel (20) is fixedly connected with the support plate (21), the telescopic cylinder (22) is connected to the top of the support plate (21), the output end of the telescopic cylinder (22) is connected with a fixed block (24), and a threaded rod (28) of the fixed block (24) is in threaded connection, the bottom of the support plate (21) is provided with a ring sleeve (25), the conveying pipe (12) penetrates through the I-shaped block (19) in a sliding mode, and the conveying pipe (12) penetrates through the ring sleeve (25) in a sliding mode.

7. The cladding coating device of claim 3, wherein the adjusting member can be adjusted to coat cladding materials with different thicknesses.

8. Cladding coating device according to claim 1, wherein the discharging member (11) comprises a discharging shell (26), a rotating plate (27), a threaded rod (28) and a cylindrical pressing block (29), two connecting blocks (30) are connected to the top of the discharging shell (26), two connecting blocks (30) are connected with two sides of the fixed block (24) through bolts, two fixing plates (31) are connected with two sides of the discharging shell (26), the fixed plate (31) is provided with a plurality of threaded holes (32), two sides of the rotating plate (27) are rotationally connected with the two fixed plates (31), two threaded rods (28) are arranged, and the two threaded rods (28) are respectively in threaded connection with the two sides of the rotating plate (27) through threaded holes (32), the cylindrical pressing block (29) is positioned at one end, far away from the connecting block (30), of the rotating plate (27), and the cylindrical pressing block (29) is rotatably connected with the rotating plate (27).

9. The cladding and coating device according to claim 8, wherein arc-shaped edge sweeping blocks (35) are arranged at two ends of the cylindrical pressing block (29), arc-shaped rails (36) are arranged at two sides of the rotating plate (27), adjusting nails (37) are arranged inside the arc-shaped rails (36), the adjusting nails (37) are in threaded connection with the edge sweeping blocks (35), and a plurality of discharging holes (33) are arranged at one end, close to the cylindrical pressing block (29), of the discharging shell (26).

10. Cladding coating device according to claim 9, characterized in that the arc-shaped edge-sweeping block (35) guides the coating material at the edge of the rotating plate (27) to the lower end of the discharging shell (28) during coating.