A brazing process for the wear-resistant layer of a rake blade

Abstract

The present invention provides a brazing process for a rake blade wear-resistant layer, which relates to the field of welding technology and includes the following steps: S1: obtaining a plate, and then laser cutting the plate; S2: using a lathe and a punching machine to punch an R-edged plate to obtain a rake blade; S3: spraying flux on the surface of the rake blade; S4: using a double spraying device to spray corundum and tungsten carbide alloy sand on the surface of the rake blade; S5: heating and curing the rake blade, and then performing high-temperature vacuum brazing; S6: heating the plate after brazing, and then pressing and forming. In the prior art, artificial spraying of corundum and tungsten carbide alloy sand is often used, which increases the labor intensity of workers. In the present invention, by setting a double spraying device, the spraying work of corundum and tungsten carbide alloy sand can be quickly completed, effectively accelerating the production of the rake blade wear-resistant layer, with higher efficiency and stronger practicality.

Description

Technical Field

[0001] The invention relates to the technical field of building material detection, in particular to a brazing process for a wear-resistant layer of a rake blade. Background Art

[0002] The harrow blade is the main core component of the disc harrow, which is an important factor affecting the tillage level of the disc harrow. The harrow blade must have a certain degree of hardness and wear resistance. According to the diameter, it is generally divided into heavy harrow blades, medium harrow blades and light harrow blades. According to the shape, there are generally notched harrow blades, flat disc harrow blades, etc.

[0003] However, in the prior art, the wear-resistant layer on the rake blade is often obtained by spraying flux - spraying corundum - spraying tungsten carbide alloy - heating and curing, and then performing high-temperature vacuum brazing. However, in this process, in the process of spraying corundum and spraying tungsten carbide alloy, manual spraying is often used, and the labor intensity of the workers is relatively high. In addition, even if some workshops adopt mechanical spraying, it is still necessary to move the rake blade to the equipment for spraying corundum to complete the spraying of corundum, and then move the rake blade to the equipment for spraying tungsten carbide alloy to complete the spraying of tungsten carbide alloy, which has low work efficiency and is inconvenient to use. Summary of the invention

[0004] The present invention provides a brazing process for a wear-resistant layer of a rake blade to solve at least one of the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention discloses a brazing process for a wear-resistant layer of a rake blade, comprising the following steps:

[0006] S1: Obtain a plate and then perform laser cutting on the plate;

[0007] S2: After using a lathe and a punch press to punch the plate into an R-edge, a rake blade is obtained;

[0008] S3: spray flux on the surface of the rake;

[0009] S4: Use a double spraying device to spray corundum and tungsten carbide alloy sand on the surface of the rake blade;

[0010] S5: heating and curing the rake blade, and then performing high-temperature vacuum brazing;

[0011] S6: The brazed sheet is heated and then pressed into shape.

[0012] Preferably, in step S4, the dual spraying device includes a plurality of stabilizing bars, and a transfer funnel is provided on one side of the stabilizing bars close to each other.

[0013] The preferred double spraying device also includes a corundum box and a tungsten carbide alloy sand box. The corundum box is equipped with an adsorption tube 1, and the tungsten carbide alloy sand box is equipped with an adsorption tube 2. The other ends of the adsorption tubes 1 and 2 are connected to a three-way valve, and an adsorption component is installed through the three-way valve.

[0014] The preferred adsorption assembly includes an adsorption box, a through hole is provided on one side wall of the transfer funnel, the adsorption box is installed in the through hole, a fan is installed on the adsorption box, and an opening is provided on the side of the adsorption box close to the transfer funnel; a pipe is installed through the side wall of the transfer funnel away from the adsorption box, and the pipe is connected to the three-way valve.

[0015] Preferably, a filter cartridge is rotatably arranged in the adsorption box, a drive motor is also arranged on the adsorption box, a rotating rod is fixedly arranged on the output end of the drive motor, the rotating rod rotates and extends into the adsorption box, and the rotating rod is fixedly connected to the filter cartridge, a storage funnel is connected to the lower end of the adsorption box, a storage tube is connected to the lower end of the storage funnel, an opening and closing door is arranged on the storage tube, a scraper is arranged in the storage funnel, and the scraper abuts against the filter cartridge.

[0016] Preferably, two driving pulleys are installed on the rotating rod, a driving box is provided on the transfer funnel, a lifting rod is rotatably provided in the driving box, a bevel gear 1 is fixedly provided on the lifting rod, the front side of the bevel gear 1 is meshed and connected with the bevel gear 2, a rotating shaft is fixedly provided on the bevel gear 2, the rotating shaft rotatably extends out of the driving box, a driven pulley 1 is provided on the rotating shaft, and a belt 1 is provided on one of the driving pulleys and the driven pulley 1.

[0017] Preferably, a mounting rod is fixedly provided inside the transfer funnel, a transfer cylinder is fixedly provided on the mounting rod, a lifting rod rotates downward and extends into the transfer funnel, the lifting rod passes downward through the transfer cylinder, a lifting spiral is fixedly provided on the lifting rod, an inclined plate is also installed on the upper end of the transfer cylinder, a slope is also fixedly provided on the side wall of the transfer funnel away from the adsorption box, and a plurality of heating wires are built into the slope.

[0018] The lower end of the preferred transfer funnel is connected through a discharge pipe, a discharge motor is fixedly arranged on the discharge pipe, the discharge motor is fixedly arranged on the stabilizing rod, the output end of the discharge motor is fixedly connected to the discharge rod, the discharge rod rotates and extends into the discharge pipe, a discharge spiral is also fixedly arranged on the discharge rod, the other end of the discharge pipe is connected through a spray funnel, and a smoothing plate is symmetrically arranged at the lower end of the spray funnel.

[0019] Preferably, a conveying platform is arranged at the lower side of the transfer funnel, and a rotating shaft is rotatably passed through the conveying platform, and two driven pulleys are arranged on the rotating shaft, and two belts are arranged on another driving pulley and the driven pulley; front and rear extension rods are fixedly arranged on the rotating shaft, and a pulling rod is rotatably arranged on the other end of the extension rod, and a gear is rotatably arranged on the other end of the pulling rod, and a transverse groove is arranged on the conveying platform, and the gear is slidably arranged in the transverse groove, and fixed racks are fixedly arranged on the front and rear sides of the conveying platform, and the lower side of the gear is meshed with the fixed rack, and movable racks are also arranged on the front and rear sides of the conveying platform, and the upper side of the gear is meshed with the movable rack.

[0020] Preferably, a plurality of stable seats are fixedly arranged at the lower end of the conveying platform, a plurality of pulleys are also arranged on the upper surface of the conveying platform, and the upper end of the movable rack contacts the rake blade.

[0021] Compared with the prior art, the present invention provides a brazing process for the wear-resistant layer of the rake blade, which has the following beneficial effects: the mechanical spraying method can effectively reduce the labor intensity of workers; in addition, by setting up a double spraying device, the spraying work of corundum and tungsten carbide alloy sand can be quickly completed using one mechanical equipment, which effectively speeds up the production of the wear-resistant layer of the rake blade, is more efficient, and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the appearance of the double spraying device of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the double spraying device of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the adsorption box of the present invention;

[0026] Figure 4 For the present invention Figure 3 Side view of

[0027] Figure 5 It is a schematic diagram of the coordination of the inclined plate and the slope of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the conveying platform of the present invention.

[0029] In the figure: 1. Transfer funnel; 2. Stabilizing rod; 3. Adsorption box; 4. Storage funnel; 5. Storage tube; 6. Opening and closing door; 7. Conveying platform; 8. Spraying funnel; 9. Discharge pipe; 10. Diamond box; 11. Tungsten carbide alloy sand box; 12. Adsorption tube 2; 13. Adsorption tube 1; 14. Three-way valve; 15. Pipeline; 16. Driving motor; 17. Belt 1; 18. Transfer cylinder; 19. Discharge rod; 20. Discharge screw; 21. Discharge motor; 22. Lifting screw; 23. Slope; 24. Inclined plate; 25. Bevel gear one; 26. Bevel gear two; 27. Lifting rod; 28. Drive box; 29. ​​Filter cartridge; 30. Rotating rod; 31. Scraper; 32. Active pulley; 33. Fan; 34. Heating wire; 35. Smoothing plate; 36. Rotating shaft; 37. Driven pulley two; 38. Extending rod; 39. Mounting rod; 40. Pulling rod; 41. Fixed rack; 42. Horizontal groove; 43. Gear; 44. Moving rack; 45. Stable seat. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1

[0034] The embodiment of the present invention provides a brazing process for a wear-resistant layer of a rake blade, comprising the following steps: S1: obtaining a plate and then laser cutting the plate; S2: using a lathe and a punching machine to punch an R-edge on the plate to obtain a rake blade; S3: spraying flux on the surface of the rake blade; S4: using a double spraying device to spray corundum and tungsten carbide alloy sand on the surface of the rake blade; S5: heating and curing the rake blade, and then performing high-temperature vacuum brazing; S6: heating the plate after brazing, and then pressing it into shape.

[0035] The working principle and beneficial effects of the above technical solution are as follows: first, obtain a plate and then perform laser cutting on the plate; second, use a lathe and a punch press to punch an R-edge on the plate to obtain a rake blade; third, spray flux on the surface of the rake blade; fourth, use a double spraying device to spray corundum and tungsten carbide alloy sand on the surface of the rake blade; fifth, heat and cure the rake blade, and then perform high-temperature vacuum brazing; sixth, heat the plate after brazing, and then press it into shape; the use of mechanical spraying can effectively reduce the labor intensity of workers. In addition, by setting up a double spraying device, the spraying of corundum and tungsten carbide alloy sand can be quickly completed using one mechanical equipment, which effectively speeds up the production of the wear-resistant layer of the rake blade, with higher efficiency and stronger practicality.

[0036] Example 2

[0037] On the basis of the above-mentioned embodiment 1, Figure 1-6 As shown, in step S4, the double spraying device includes a plurality of stabilizing bars 2, and a transfer funnel 1 is provided on one side of the stabilizing bars 2 close to each other.

[0038] Among them, preferably, the double spraying device also includes a corundum box 10 and a tungsten carbide alloy sand box 11, the corundum box 10 is equipped with an adsorption tube 13, the tungsten carbide alloy sand box 11 is equipped with an adsorption tube 2 12, the other ends of the adsorption tube 13 and the adsorption tube 2 12 are connected to a three-way valve 14, and an adsorption component is installed through the three-way valve 14.

[0039] Among them, preferably, the adsorption component includes an adsorption box 3, a through hole is formed on one side wall of the transfer funnel 1, the adsorption box 3 is installed in the through hole, a fan 33 is installed on the adsorption box 3, and an opening is provided on the side of the adsorption box 3 close to the transfer funnel 1; a pipe 15 is installed through the side wall of the transfer funnel 1 away from the adsorption box 3, and the pipe 15 is connected to the three-way valve 14.

[0040] The working principle and beneficial effects of the above technical solution are as follows: start the fan 33, the fan 33 will absorb the air in the transfer funnel 1, thereby generating negative pressure in the transfer funnel 1, so that suction is generated in the pipe 15. When it is necessary to spray corundum, the three-way valve 14 is connected with the adsorption tube 13, and the corundum in the corundum box 10 will enter the adsorption box 3 through the adsorption tube 13 and the pipe 15. Similarly, when it is necessary to spray tungsten carbide alloy sand, the three-way valve 14 is connected with the adsorption tube 2 12, and the tungsten carbide alloy sand in the tungsten carbide alloy sand box 11 will enter the adsorption box 3 through the adsorption tube 2 12 and the pipe 15. The corundum / tungsten carbide alloy sand is absorbed by negative pressure adsorption, which is more convenient. In addition, the three-way valve 14 is provided to freely adjust the corundum / tungsten carbide alloy sand to be used. The structure is simple, easy to use and practical.

[0041] Example 3

[0042] On the basis of the above-mentioned embodiments 1-2, Figure 2-4 As shown, a filter cartridge 29 is rotatably arranged in the adsorption box 3, a driving motor 16 is also arranged on the adsorption box 3, a rotating rod 30 is fixedly arranged on the output end of the driving motor 16, the rotating rod 30 rotates and extends into the adsorption box 3, and the rotating rod 30 is fixedly connected to the filter cartridge 29, a storage funnel 4 is connected to the lower end of the adsorption box 3, a storage tube 5 is connected to the lower end of the storage funnel 4, an opening and closing door 6 is arranged on the storage tube 5, a scraper 31 is arranged in the storage funnel 4, and the scraper 31 abuts against the filter cartridge 29.

[0043] The working principle and beneficial effects of the above technical solution are as follows: when the fan 33 is started, corundum / tungsten carbide alloy sand will enter the transfer funnel 1, and as the fan 33 continues to operate, the corundum / tungsten carbide alloy sand will move toward the adsorption box 3, and then the drive motor 16 is started, the drive motor 16 drives the rotating rod 30 to rotate, and the rotating rod 30 drives the filter cartridge 29 to rotate, and the impurities and dust in the corundum / tungsten carbide alloy sand will pass through the filter cartridge 29, and then enter the storage funnel 4, and finally enter the storage tube 5, and the opening and closing door 6 is provided, and the opening and closing door 6 can be started intermittently to remove the dust in the storage tube 5, and the corundum / tungsten carbide alloy sand will gradually fall to the lower end of the transfer funnel 1 under the obstruction of the filter cartridge 29, and in the process of the rotation of the filter cartridge 29, the outer surface of the filter cartridge 29 will contact the scraper 31, so that the impurities or dust on the surface of the filter cartridge 29 can be scraped off, the structure is simple, and the use is convenient, and the corundum / tungsten carbide alloy sand can be effectively filtered with higher cleanliness.

[0044] Example 4

[0045] On the basis of the above-mentioned embodiments 1-3, Figure 1-2As shown in Figure 5, two active pulleys 32 are installed on the rotating rod 30, and a driving box 28 is provided on the transfer funnel 1. A lifting rod 27 is rotatably provided in the driving box 28, and a bevel gear 25 is fixedly provided on the lifting rod 27. The front side of the bevel gear 25 is meshed and connected with the bevel gear 26. A rotating shaft is fixedly provided on the bevel gear 26, and the rotating shaft rotates and extends out of the driving box 28. A driven pulley 1 is provided on the rotating shaft, and a belt 17 is provided on one of the active pulleys 32 and the driven pulley 1.

[0046] Among them, preferably, a mounting rod 39 is fixedly provided in the transfer funnel 1, a transfer cylinder 18 is fixedly provided on the mounting rod 39, a lifting rod 27 is rotated downward and extends into the transfer funnel 1, the lifting rod 27 passes downward through the transfer cylinder 18, a lifting screw 22 is fixedly provided on the lifting rod 27, an inclined plate 24 is also installed on the upper end of the transfer cylinder 18, a slope 23 is also fixedly installed on the side wall of the transfer funnel 1 away from the adsorption box 3, and a plurality of heating wires 34 are also built into the slope 23.

[0047] The working principle and beneficial effects of the above technical solution are as follows: when the rotating rod 30 rotates, the rotating rod 30 drives one of the active pulleys 32 to rotate, one of the active pulleys 32 drives the driven pulley 1 to rotate through the belt 17, the driven pulley 1 drives the rotating shaft to rotate, the rotating shaft drives the bevel gear 26 to rotate, the bevel gear 26 drives the bevel gear 1 25 to rotate, the bevel gear 1 25 drives the lifting rod 27 to rotate, the lifting rod 27 drives the lifting screw 22 to rotate, the lifting screw 22 transports the corundum / tungsten carbide alloy sand at the bottom of the transfer funnel 1 to the inclined plate 24, and then gradually slides onto the slope 23 under the action of gravity, and the slope 23 The several heating wires 34 can heat the corundum / tungsten carbide alloy sand, which can effectively reduce the moisture in the corundum / tungsten carbide alloy sand. At the same time, after flowing down the slope 23, the filter cartridge 29 can also perform secondary filtration on the corundum / tungsten carbide alloy sand (after the corundum / tungsten carbide alloy sand is sucked into the pipeline 15, it will flow down the slope 23, and the filter cartridge 29 performs the first filtration), thereby further improving the cleanliness of the corundum / tungsten carbide alloy sand and removing the moisture in the corundum / tungsten carbide alloy sand, which is more practical. At the same time, after the cleanliness of the corundum / tungsten carbide alloy sand is improved, the wear resistance of the rake blade will also be improved accordingly.

[0048] Example 5

[0049] On the basis of the above-mentioned embodiments 1-4, Figure 1-2As shown in , 6, the lower end of the transfer funnel 1 is connected with a discharge pipe 9, and a discharge motor 21 is fixedly arranged on the discharge pipe 9. The discharge motor 21 is fixedly arranged on the stabilizing rod 2. The output end of the discharge motor 21 is fixedly connected to the discharge rod 19, and the discharge rod 19 rotates and extends into the discharge pipe 9. A discharge spiral 20 is also fixedly arranged on the discharge rod 19. The other end of the discharge pipe 9 is connected with the spray funnel 8, and a smoothing plate 35 is symmetrically arranged at the lower end of the spray funnel 8.

[0050] Among them, preferably, a conveying platform 7 is provided on the lower side of the transfer funnel 1, and a rotating shaft 36 is rotatably passed through the conveying platform 7, and a driven pulley 37 is provided on the rotating shaft 36, and a belt 2 is provided on another driving pulley 32 and the driven pulley 37; an extension rod 38 is fixedly provided on the rotating shaft 36 and is arranged front and rear respectively, and a pulling rod 40 is rotatably provided on the other end of the extension rod 38, and a gear 43 is rotatably provided on the other end of the pulling rod 40, and a transverse groove 42 is provided on the conveying platform 7, and the gear 43 is slidably provided in the transverse groove 42, and fixed racks 41 are fixedly provided on the front and rear sides of the conveying platform 7, and the lower side of the gear 43 is meshed with the fixed rack 41, and a movable rack 44 is also provided on the front and rear sides of the conveying platform 7, and the upper side of the gear 43 is meshed with the movable rack 44.

[0051] Preferably, a plurality of stabilizing seats 45 are fixedly provided at the lower end of the conveying platform 7, a plurality of pulleys are further provided on the upper surface of the conveying platform 7, and the upper end of the movable rack 44 is in contact with the rake blade.

[0052] The working principle and beneficial effects of the above technical solution are as follows: the rake blade is placed on the conveying platform 7, and when the corundum / tungsten carbide alloy sand is filtered twice or even three times, the discharge motor 21 is started, the discharge motor 21 drives the discharge rod 19 to rotate, the discharge rod 19 drives the discharge screw 20 to rotate, and the discharge screw 20 drives the corundum / tungsten carbide alloy sand to be transported into the spraying funnel 8, and then sprayed from the spraying funnel 8 onto the rake blade;

[0053] When the discharge motor 21 is started, the drive motor 16 does not stop and continues to suck in the diamond sand / tungsten carbide alloy sand. The other active pulley 32 on the rotating rod 30 rotates, and the other active pulley 32 drives the driven pulley 2 37 to rotate through the belt 2. The driven pulley 2 37 drives the rotating shaft 36 to rotate, and the rotating shaft 36 drives the extension rod 38 to rotate. The extension rod 38 drives the pulling rod 40 to move (similar to the crank slider mechanism). The pulling rod 40 moves and drives the gear 43 to slide in the transverse groove 42. While the gear 43 slides, due to the meshing of the gear 43 and the fixed rack 41, it will make The gear 43 rotates, and the gear 43 drives the moving rack 44 to move. When the gear 43 moves, the moving rack 44 is driven to move, which can effectively lengthen the moving distance of the moving rack 44, and also increase the moving distance of the rake blade. The moving rack 44 moves and drives the rake blade to move (the above device is reciprocating, and can spray corundum when moving to the right, and spray tungsten carbide alloy sand when moving to the left, so as to quickly complete the spraying work). The spraying funnel 8 will spray corundum / tungsten carbide alloy sand onto the surface of the rake blade, and the smoothing plate 35 will scrape the corundum / tungsten carbide alloy sand on the rake blade;

[0054] By adopting the above mechanism, only one driving motor 16 is provided to realize the rotation of the filter cartridge 29, the lifting of the lifting screw 22 and the movement of the rake blade, which effectively improves the coordination of the device, and drives the movement of the moving rack 44 while moving the gear 43, which can effectively lengthen the moving distance of the rake blade, has a wider range of application and strong practicality.

[0055] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A brazing process for a wear-resistant layer of a rake blade, characterized in that: The following steps are included: S1: Obtain a plate and then perform laser cutting on the plate; S2: After using a lathe and a punch press to punch the plate into an R-edge, a rake blade is obtained; S3: spray flux on the surface of the rake; S4: Use a double spraying device to spray corundum and tungsten carbide alloy sand on the surface of the rake blade; S5: heating and curing the rake blade, and then performing high-temperature vacuum brazing; S6: heating the plate after brazing and then pressing it into shape; In step S4, the double spraying device comprises a plurality of stabilizing rods (2), and a transfer funnel (1) is arranged on one side of the stabilizing rods (2) close to each other; The double spraying device also includes a diamond sand box (10) and a tungsten carbide alloy sand box (11); An adsorption tube 1 (13) is installed on the diamond sand box (10), and an adsorption tube 2 (12) is installed on the tungsten carbide alloy sand box (11). The other ends of the adsorption tube 1 (13) and the adsorption tube 2 (12) are connected to a three-way valve (14), and an adsorption component is installed through the three-way valve (14); The adsorption assembly comprises an adsorption box (3), a through hole is formed on one side wall of the transfer funnel (1), and the adsorption box (3) is installed in the through hole; A fan (33) is installed on the adsorption box (3), and an opening is provided on one side of the adsorption box (3) close to the transfer funnel (1); A pipe (15) is installed through a side wall of the transfer funnel (1) away from the adsorption box (3), and the pipe (15) is connected to a three-way valve (14); A filter cartridge (29) is rotatably arranged in the adsorption box (3), a driving motor (16) is also arranged on the adsorption box (3), a rotating rod (30) is fixedly arranged on the output end of the driving motor (16), the rotating rod (30) rotates and extends into the adsorption box (3), and the rotating rod (30) is fixedly connected to the filter cartridge (29), the lower end of the adsorption box (3) is connected through a storage funnel (4), the lower end of the storage funnel (4) is connected through a storage tube (5), an opening and closing door (6) is arranged on the storage tube (5), a scraper (31) is arranged in the storage funnel (4), and the scraper (31) abuts against the filter cartridge (29); Two driving pulleys (32) are installed on the rotating rod (30), a driving box (28) is arranged on the transfer funnel (1), a lifting rod (27) is rotatably arranged in the driving box (28), a bevel gear 1 (25) is fixedly arranged on the lifting rod (27), the front side of the bevel gear 1 (25) is meshedly connected with the bevel gear 2 (26), a rotating shaft is fixedly arranged on the bevel gear 2 (26), the rotating shaft rotatably extends out of the driving box (28), a driven pulley 1 is arranged on the rotating shaft, and a belt 1 (17) is arranged on one of the driving pulleys (32) and the driven pulley 1; A mounting rod (39) is fixedly arranged in the transfer funnel (1), a transfer cylinder (18) is fixedly arranged on the mounting rod (39), a lifting rod (27) rotates downward and extends into the transfer funnel (1), the lifting rod (27) passes downward through the transfer cylinder (18), a lifting screw (22) is fixedly arranged on the lifting rod (27), an inclined plate (24) is also installed on the upper end of the transfer cylinder (18), a slope (23) is also fixedly installed on a side wall of the transfer funnel (1) away from the adsorption box (3), and a plurality of heating wires (34) are also built into the slope (23); The lower end of the transfer funnel (1) is connected to a discharge pipe (9), a discharge motor (21) is fixedly arranged on the discharge pipe (9), the discharge motor (21) is fixedly arranged on the stabilizing rod (2), the output end of the discharge motor (21) is fixedly connected to a discharge rod (19), the discharge rod (19) rotates and extends into the discharge pipe (9), a discharge spiral (20) is also fixedly arranged on the discharge rod (19), the other end of the discharge pipe (9) is connected to the spray funnel (8), and a smoothing plate (35) is symmetrically arranged at the lower end of the spray funnel (8); A conveying platform (7) is arranged at the lower side of the transfer funnel (1), a rotating shaft (36) is rotatably passed through the conveying platform (7), a driven pulley (37) is arranged on the rotating shaft (36), and a belt (37) is arranged on another driving pulley (32) and the driven pulley (37); a front and rear extension rod (38) is fixedly arranged on the rotating shaft (36), a pulling rod (40) is rotatably arranged on the other end of the extension rod (38), and a gear (43) is rotatably arranged on the other end of the pulling rod (40); a transverse groove (42) is arranged on the conveying platform (7), and the gear (43) is slidably arranged in the transverse groove (42); fixed racks (41) are fixedly arranged on the front and rear sides of the conveying platform (7), and the lower side of the gear (43) is meshed with the fixed rack (41); a movable rack (44) is also arranged on the front and rear sides of the conveying platform (7), and the upper side of the gear (43) is meshed with the movable rack (44); A plurality of stabilizing seats (45) are fixedly arranged at the lower end of the conveying platform (7), a plurality of pulleys are also arranged on the upper surface of the conveying platform (7), and the upper end of the movable rack (44) is in contact with the rake blade.

2. A brazing process for a rake blade wear-resistant layer according to claim 1, characterized in that: The corundum box (10) is used for storing corundum, and the tungsten carbide alloy sand box (11) is used for storing tungsten carbide alloy sand.

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