Adjustable scraper structure of drum flaker

Abstract

The adjustable scraper structure comprises a rotary drum flaker body and a scraper body, the lower end of the left side of the rotary drum flaker body is fixedly connected with a fixing pile and a supporting seat, the supporting seat is located on the right side of the fixing pile, a cavity is formed in the fixing pile, and the scraper body is arranged in the cavity. A first opening is formed in the inner wall, directly facing the supporting base, of the cavity, and a driving mechanism is arranged at the bottom of the cavity. The scraper body is driven by the servo motor to ascend and descend, the scraping height of the scraper body can be conveniently adjusted according to actual needs, the scraper body is inserted into the open groove to be matched with the positioning pin shaft to be fixed, the air cylinder is rotationally connected with the scraper body, and the bearing base is clamped and positioned on the supporting rod, so that the scraper body is conveniently detached and replaced; buffer protection is provided for the scraper body through the hydraulic buffer and the circular limiting block, damage caused by long-time contact between the scraper body and drum materials is avoided, and the service life of the scraper body is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of a rotary drum flaker, and in particular to an adjustable scraper structure of a rotary drum flaker. Background Art

[0002] Drum splicing is to slice the heated liquid raw material through the stainless steel inner cooling roller in the material trough of the equipment and the adjustable slicing knife device at the front to slice it. The finished liquid is converted into solid flakes by the cooling blade. It can also slice the raw material that has been cooled and turned into crystals. It is widely used in chemical and pharmaceutical industries. Drum drying is to dry the material in the tray or strip attached to the outer wall of the drum by heat transfer with the rotating drum, so that the material forms a film on the surface of the drum, and cools and crystallizes through heat exchange between the film and the drum wall. The crystallized film is scraped off by the scraper to form a sheet product.

[0003] In actual use, the existing scraper of the drum flaker is mostly fixed on the side of the drum, which is not convenient for adjusting the height of the scraper according to needs, and it is very inconvenient to disassemble and replace the scraper. In addition, the scraper lacks a buffer structure and is easily damaged after long-term contact with the drum material. A scraper assembly for a drum flaker is proposed to solve the above problems. Summary of the invention

[0004] In view of the deficiencies and defects in the prior art, the present invention proposes an adjustable scraper structure for a drum flaker, which is used to solve the technical problems that the scrapers of the existing drum flakers in the background technology are mostly fixed at a position close to the side of the drum during actual use, which makes it inconvenient to adjust the height of the scraper as needed, and is very inconvenient to disassemble and replace. In addition, the scraper lacks a buffer structure and is easily damaged after long-term contact with the drum material.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A rotary drum flaking machine with adjustable scraper structure comprises a rotary drum flaking machine body and a scraper body, a left lower end of the rotary drum flaking machine body is fixedly connected with a fixed pile and a support seat, the support seat is located on the right side of the fixed pile, a cavity is provided in the fixed pile, a first opening is provided on the inner wall of the cavity facing the support seat, a driving mechanism is provided on the bottom of the cavity, a lifting mechanism is provided in the cavity, the driving mechanism is fixedly connected with the lifting mechanism, the lifting mechanism is arranged through the first opening, a lifting seat is slidably connected with a lifting seat on the front end side wall of the support seat, the lifting seat is fixedly connected with the lifting mechanism, a buffer mechanism is provided on the upper end of the lifting seat, a load-bearing seat is provided on the buffer mechanism, and the scraper body is rotatably connected to the upper end of the load-bearing seat.

[0006] Preferably, the driving mechanism includes a servo motor fixedly installed on the right side of the fixed pile and a connecting rod rotatably connected to the bottom of the center position of the cavity, the driving shaft of the servo motor is fixedly connected with a rotating shaft, the rotating shaft is horizontally rotated and penetrates the right inner wall of the cavity, a first bevel gear is coaxially fixedly connected to one end of the rotating shaft located in the cavity, a second bevel gear is coaxially fixedly connected to the connecting rod, the first bevel gear is meshed with the second bevel gear, the upper end of the connecting rod is fixedly connected with a coupling, and the lifting mechanism is fixedly connected to the upper end of the coupling.

[0007] Preferably, the lifting mechanism includes a screw rod fixedly connected to the upper end of the coupling, the upper end of the screw rod is rotatably connected to the top surface of the cavity, a cylindrical nut is threadedly sleeved on the screw rod, the cylindrical nut is slidably connected to the left inner wall of the cavity, a connecting block is fixedly connected to the annular side wall of the cylindrical nut facing the first opening, the connecting block is horizontally arranged through the first opening, a fixing block is fixedly connected to the side wall of the lifting seat facing the connecting block, an upper and lower connecting socket is provided on the side wall of the connecting block facing the fixed block, the fixing block is inserted in the socket, and a bolt is horizontally passed through the fixing block and the inner wall of the socket.

[0008] Preferably, a slide groove is provided on the left inner wall of the cavity, a matching slider is slidably connected in the slide groove, and one end of the slider away from the slide groove is fixedly connected to the annular side wall of the columnar nut facing the connecting block.

[0009] Preferably, a T-shaped limit groove is provided on the front end side wall of the support seat, and a matching T-shaped limit block is slidably connected in the T-shaped limit groove, and the end of the T-shaped limit block away from the T-shaped limit groove is fixedly connected to the lifting seat, and the first opening, the sliding groove and the T-shaped limit groove are set to be of equal length.

[0010] Preferably, the buffer mechanism includes a circular groove arranged at the upper end of the lifting seat, a hydraulic buffer is fixedly installed on the bottom of the circular groove, a circular limit block is movably inserted in the circular groove, the upper end of the hydraulic buffer is fixedly connected to the lower end of the circular limit block, the upper end of the center position of the circular limit block is fixedly connected to a support rod, and the load-bearing seat is arranged at the upper end of the support rod.

[0011] Preferably, a circular slot is provided at the lower end of the load-bearing seat, and two symmetrically distributed cylindrical protrusions are provided on the top surface of the circular slot near the annular inner wall, and the upper end of the support rod near the annular side wall is provided with two symmetrically distributed first circular slots, the upper end of the support rod is inserted in the circular slot, and the two cylindrical protrusions are respectively inserted in the two first circular slots, a groove is provided on the right side wall of the load-bearing seat, a sleeve is fixedly connected to the top surface of the groove, a spring is fixedly connected to the top surface of the sleeve, and a cylindrical block is fixedly connected to the lower end of the spring, and a second circular slot is provided at the upper end of the center position of the support rod, the cylindrical block passes through the top surface of the circular slot and is inserted in the second circular slot, and a second opening is provided on the annular side wall of the sleeve, and a strip block is fixedly connected to the annular side wall of the cylindrical block close to the spring, and the strip block passes through the second opening and extends to the outside of the groove.

[0012] Preferably, a support block is fixedly connected to the left side wall of the load-bearing seat, and the upper end of the support block away from the load-bearing seat is rotatably connected to a cylinder, the free end of the cylinder piston rod is rotatably connected to the scraper body, the upper end of the load-bearing seat is provided with a groove, the lower end of the scraper body is inserted in the groove, and the same positioning pin shaft is horizontally provided between the inner wall of the groove and the scraper body.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The servo motor drives the cylindrical nut to cooperate with the slide and the slider to vertically lift and lower, and the cylindrical nut cooperates with the connecting block, the support rod and the load-bearing seat to drive the scraper body to lift and lower, so as to adjust the scraping height of the scraper body according to actual needs.

[0014] 2. Insert the scraper body into the slot and fix it with the positioning pin, rotatably connect the cylinder and the scraper body, dock the load-bearing seat with the support rod, so that the support rod is inserted into the circular slot, the cylindrical protrusion is inserted into the first circular slot, and the spring in the sleeve drives the cylindrical block to be inserted into the second circular slot, which effectively positions the load-bearing seat on the support rod and facilitates the removal and replacement of the scraper body.

[0015] 3. The load-bearing seat and the support rod cooperate with the hydraulic buffer and the circular limit block in the circular groove to provide buffer protection for the scraper body, thereby avoiding damage to the scraper body after long-term contact with the drum material and extending the service life of the scraper body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A perspective schematic diagram of an adjustable scraper structure of a rotary drum flaker proposed by the present invention; Figure 2 for Figure 1 A partial enlarged view of the middle A; Figure 3 for Figure 1 A partial enlarged view of point B in the middle; Figure 4 A schematic structural diagram of a cylindrical nut, a connecting block and a sliding block of an adjustable scraper structure of a rotary drum flaker proposed by the present invention; Figure 5 for Figure 1 A partial enlarged view of point C in the middle; Figure 6 This is a schematic diagram of the split structure of a support seat and a buffer mechanism of an adjustable scraper structure of a rotary drum flaker proposed by the present invention; Figure 7 for Figure 1 A partial enlarged view of point D in the middle; Figure 8 for Figure 7 A partial enlarged view of point E in the middle.

[0017] In the figure: 1 a drum flaker body, 2 a scraper body, 3 a fixed pile, 4 a support seat, 5 a cavity, 6 a first opening, 7 a lifting seat, 8 a load-bearing seat, 9 a servo motor, 10 a connecting rod, 11 a rotating shaft, 12 a first bevel gear, 13 a second bevel gear, 14 a coupling, 15 a screw rod, 16 a cylindrical nut, 17 a connecting block, 18 a fixed block, 19 a socket, 20 a bolt, 21 a slide groove, 22 a slider, 23 a T-type limit groove, 24 a T-type limit block, 25 a circular groove, 26 a hydraulic buffer, 27 a circular limit block, 28 a support rod, 29 a circular slot, 30 a cylindrical protrusion, 31 a first circular card slot, 32 a groove, 33 a sleeve, 34 a spring, 35 a cylindrical card block, 36 a second circular card slot, 37 a second opening, 38 a strip block, 39 a support block, 40 a cylinder, 41 a slot, and 42 a positioning pin. DETAILED DESCRIPTION

[0018] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 a limitation on the present invention.

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-8As shown, an adjustable scraper structure of a drum flaker comprises a drum flaker body 1 and a scraper body 2. A fixed pile 3 and a support seat 4 are fixedly connected to the lower left end of the drum flaker body 1. The support seat 4 is located on the right side of the fixed pile 3. A cavity 5 is provided in the fixed pile 3. A first opening 6 is provided on the inner wall of the cavity 5 facing the support seat 4. A driving mechanism is provided on the bottom of the cavity 5. The driving mechanism comprises a servo motor 9 fixedly installed on the right side of the fixed pile 3 and a connecting rod 10 rotatably connected to the bottom of the center position of the cavity 5. A rotating shaft 11 is fixedly connected to the driving shaft of the servo motor 9. The rotating shaft 11 rotates horizontally and passes through the right side of the cavity 5. The side inner wall is arranged, and a first bevel gear 12 is coaxially fixedly connected to one end of the rotating shaft 11 located in the cavity 5. The servo motor 9 is started to drive the first bevel gear 12 on the rotating shaft 11 to rotate. A second bevel gear 13 is coaxially fixedly connected to the connecting rod 10, and the first bevel gear 12 is meshed with the second bevel gear 13. A coupling 14 is fixedly connected to the upper end of the connecting rod 10, and the lifting mechanism is fixedly connected to the upper end of the coupling 14. The first bevel gear 12 drives the second bevel gear 13 meshed therewith to rotate, and the second bevel gear 13 drives the coaxially connected connecting rod 10 to rotate, and the connecting rod 10 cooperates with the coupling 14 to drive the screw rod 15 to rotate.

[0021] A lifting mechanism is provided in the cavity 5, the driving mechanism is fixedly connected to the lifting mechanism, the lifting mechanism is arranged through the first opening 6, the lifting mechanism includes a screw rod 15 fixedly connected to the upper end of the coupling 14, the upper end of the screw rod 15 is rotatably connected to the top surface of the cavity 5, a cylindrical nut 16 is threadedly sleeved on the screw rod 15, the cylindrical nut 16 is slidably connected to the left inner wall of the cavity 5, and a connecting block 17 is fixedly connected to the annular side wall of the cylindrical nut 16 facing the first opening 6, the connecting block 17 is arranged horizontally through the first opening 6, and the screw rod 15 rotates to drive the threaded cylindrical nut 16 to vertically lift under the limiting action of the slide groove 21 and the slider 22. The lifting seat 7 is fixedly connected to the side wall of the lifting seat 7 facing the connecting block 17, and a socket 19 is provided on the side wall of the connecting block 17 facing the fixing block 18. The fixing block 18 is inserted into the socket 19, and a bolt 20 is horizontally penetrated between the fixing block 18 and the inner wall of the socket 19. The fixing block 18 is inserted into the socket 19 on the connecting block 17 and fixed with the bolt 20, so that the connecting block 17 cooperates with the fixing block 18 to drive the lifting seat 7 to rise and fall smoothly under the limiting action of the T-shaped limiting groove 23 and the T-shaped limiting block 24.

[0022] A slide groove 21 is provided on the left inner wall of the cavity 5, and a matching slider 22 is slidably connected in the slide groove 21. The end of the slider 22 away from the slide groove 21 is fixedly connected to the annular side wall of the cylindrical nut 16 facing the connecting block 17. When the slider 22 moves in the slide groove 21, the rotation of the screw rod 15 is prevented from driving the cylindrical nut 16 to rotate at the same time, so that it can only be lifted and lowered vertically along the slide groove 21, and the first opening 6 is cooperated to limit the lifting range of the cylindrical nut 16. A lifting seat 7 is slidably connected to the front end side wall of the support seat 4, and the lifting seat 7 is fixedly connected to the lifting mechanism. A T-shaped The limiting groove 23 has a matching T-shaped limiting block 24 slidably connected in the T-shaped limiting groove 23. The end of the T-shaped limiting block 24 away from the T-shaped limiting groove 23 is fixedly connected to the lifting seat 7. The first opening 6, the slide groove 21 and the T-shaped limiting groove 23 are set with equal lengths. When the T-shaped limiting block 24 moves in the T-shaped limiting groove 23, it is convenient for the connecting block 17 to cooperate with the fixed block 18 to drive the lifting seat 7 to rise and fall smoothly, and at the same time limit the lifting range of the lifting seat 7. The lifting seat 7 cooperates with the support rod 28 and the load-bearing seat 8 to drive the scraper body 2 to rise and fall, so as to adjust the scraping height of the scraper body 2 according to actual needs.

[0023] A buffer mechanism is provided at the upper end of the lifting seat 7, and a load-bearing seat 8 is provided on the buffer mechanism. The buffer mechanism includes a circular groove 25 arranged at the upper end of the lifting seat 7, a hydraulic buffer 26 is fixedly installed on the bottom of the circular groove 25, a circular limit block 27 is movably inserted in the circular groove 25, the upper end of the hydraulic buffer 26 is fixedly connected to the lower end of the circular limit block 27, and a support rod 28 is fixedly connected to the upper end of the center position of the circular limit block 27. The load-bearing seat 8 is arranged at the upper end of the support rod 28. The load-bearing seat 8 and the support rod 28 cooperate with the hydraulic buffer 26 and the circular limit block 27 in the circular groove 25 to provide buffering protection for the scraper body 2, so as to avoid damage to the scraper body 2 after long-term contact with the drum material, thereby extending the service life of the scraper body 2.

[0024] A circular slot 29 is provided at the lower end of the load-bearing seat 8, and two symmetrically distributed cylindrical protrusions 30 are provided on the top surface of the circular slot 29 near the annular inner wall. Two symmetrically distributed first circular slots 31 are provided at the upper end of the support rod 28 near the annular side wall. The upper end of the support rod 28 is inserted into the circular slot 29, and the two cylindrical protrusions 30 are respectively inserted into the two first circular slots 31. A groove 32 is provided on the right side wall of the load-bearing seat 8, and a sleeve 33 is fixedly connected to the top surface of the groove 32. A spring 34 is fixedly connected to the top surface of the sleeve 33, and a cylindrical block 35 is fixedly connected to the lower end of the spring 34. A second circular slot 36 is provided at the upper end of the center position of the support rod 28, and the cylindrical block 35 passes through the top surface of the circular slot 29 and is inserted into the second circular slot 36, so that the load-bearing seat 8 is connected to the support rod 28 so that the upper end of the support rod 28 The two bosses 30 are respectively inserted into the two first circular slots 31. At this time, the spring 34 in the sleeve 33 in the groove 32 drives the columnar block 35 to be inserted into the second circular slot 36, effectively positioning the load-bearing seat 8 on the support rod 28. A second opening 37 is provided on the annular side wall of the sleeve 33. A strip block 38 is fixedly connected to the annular side wall of the columnar block 35 close to the spring 34. The strip block 38 passes through the second opening 37 and extends to the outside of the groove 32. When replacing, you only need to pull the strip block 38 to move along the second opening 37 to separate the columnar block 35 from the second circular slot 36, pull the load-bearing seat 8 to separate the columnar protrusion 30 from the first circular slot 31, and then separate the support rod 28 from the circular slot 29, which is convenient for replacing the scraper body 2.

[0025] The scraper body 2 is rotatably connected to the upper end of the load-bearing seat 8, and a support block 39 is fixedly connected to the left side wall of the load-bearing seat 8. The support block 39 is rotatably connected to the upper end away from the load-bearing seat 8 with a cylinder 40. The free end of the piston rod of the cylinder 40 is rotatably connected to the scraper body 2. The cylinder 40 is started to adjust the distance between the scraper body 2 and the drum flaker body 1. When the height of the scraper body 2 is adjusted, the scraper body 2 always maintains an optimal distance from the drum flaker body 1. A slot 41 is provided at the upper end of the load-bearing seat 8, and the lower end of the scraper body 2 is inserted in the slot 41. The same positioning pin shaft 42 is horizontally penetrated between the inner wall of the slot 41 and the scraper body 2.

[0026] When the present invention is in use, the scraper body 2 is inserted into the slot 41 on the load-bearing seat 8 and fixed with the positioning pin shaft 42, and the cylinder 40 on the support block 39 is rotatably connected to the scraper body 2, and the load-bearing seat 8 is docked with the support rod 28, so that the upper end of the support rod 28 is inserted into the circular slot 29 at the lower end of the load-bearing seat 8, and the two columnar protrusions 30 are respectively inserted into the two first circular grooves 31, at this time, the spring 34 in the sleeve 33 in the groove 32 drives the columnar block 35 to be inserted into the second circular groove 36, The bearing seat 8 is effectively positioned and connected to the support rod 28. When replacing, it is only necessary to pull the bar block 38 to move along the second opening 37 to separate the columnar block 35 from the second circular slot 36, pull the bearing seat 8 to separate the columnar protrusion 30 from the first circular slot 31, and then separate the support rod 28 from the circular slot 29, so that the scraper body 2 can be easily replaced; start the servo motor 9 to drive the first bevel gear 12 on the rotating shaft 11 to rotate, so that the first bevel gear 12 drives the second bevel gear 13 meshing with it to rotate, and the second bevel gear The wheel 13 drives the coaxially connected connecting rod 10 to rotate, and the connecting rod 10 cooperates with the coupling 14 to drive the screw rod 15 to rotate, so that the screw rod 15 rotates to drive the threaded cylindrical nut 16 to vertically rise and fall under the limiting action of the slide groove 21 and the slider 22, and the cylindrical nut 16 cooperates to drive the connecting block 17 to vertically rise and fall along the first opening 6, and the fixing block 18 is inserted into the socket 19 on the connecting block 17 and fixed with the bolt 20, so that the connecting block 17 cooperates with the fixing block 18 to drive the lifting seat 7 to move between the T-shaped limiting groove 23 and The scraper body 2 can be lifted and lowered smoothly under the limiting action of the T-shaped limit block 24, and the lifting seat 7 cooperates with the support rod 28 and the load-bearing seat 8 to drive the scraper body 2 to lift and lower, so that the scraping height of the scraper body 2 can be adjusted according to actual needs. When the scraper body 2 scrapes the drum flaker body 1, the load-bearing seat 8 and the support rod 28 cooperate with the hydraulic buffer 26 in the circular groove 25 and the circular limit block 27 to provide buffering protection for the scraper body 2, so as to avoid damage to the scraper body 2 after long-term contact with the drum material, thereby extending the service life of the scraper body 2.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable scraper structure for a drum flaker, comprising a drum flaker body (1) and a scraper body (2), characterized in that: A fixed pile (3) and a support seat (4) are fixedly connected at the lower left end of the rotary drum flaker body (1); the support seat (4) is located on the right side of the fixed pile (3); a cavity (5) is provided in the fixed pile (3); a first opening (6) is provided on the inner wall of the cavity (5) facing the support seat (4); a driving mechanism is provided at the bottom of the cavity (5); a lifting mechanism is provided in the cavity (5); the driving mechanism is fixedly connected to the lifting mechanism; the lifting mechanism is arranged through the first opening (6); a lifting seat (7) is slidably connected to the front end side wall of the support seat (4); the lifting seat (7) is fixedly connected to the lifting mechanism; a buffer mechanism is provided at the upper end of the lifting seat (7); a load-bearing seat (8) is provided on the buffer mechanism; and the scraper body (2) is rotatably connected to the upper end of the load-bearing seat (8).

2. The adjustable scraper structure of a rotary drum flaker according to claim 1, characterized in that: The driving mechanism comprises a servo motor (9) respectively fixedly mounted on the right side of the fixed pile (3) and a connecting rod (10) rotatably connected to the bottom of the center position of the cavity (5); a rotating shaft (11) is fixedly connected to the driving shaft of the servo motor (9); the rotating shaft (11) is arranged to rotate horizontally and penetrate the right inner wall of the cavity (5); a first bevel gear (12) is coaxially fixedly connected to one end of the rotating shaft (11) located in the cavity (5); a second bevel gear (13) is coaxially fixedly connected to the connecting rod (10); the first bevel gear (12) is meshed with the second bevel gear (13); a coupling (14) is fixedly connected to the upper end of the connecting rod (10); and the lifting mechanism is fixedly connected to the upper end of the coupling (14).

3. The adjustable scraper structure of a rotary drum flaker according to claim 2, characterized in that: The lifting mechanism comprises a screw rod (15) fixedly connected to the upper end of the coupling (14), the upper end of the screw rod (15) being rotatably connected to the top surface of the cavity (5), a cylindrical nut (16) being threadedly sleeved on the screw rod (15), the cylindrical nut (16) being slidably connected to the left inner wall of the cavity (5), a connecting block (17) being fixedly connected to the annular side wall of the cylindrical nut (16) facing the first opening (6), the connecting block (17) being horizontally penetrated through the first opening (6), a fixing block (18) being fixedly connected to the side wall of the lifting seat (7) facing the connecting block (17), a socket (19) being provided on the side wall of the connecting block (17) facing the fixing block (18), the fixing block (18) being inserted into the socket (19), and a bolt (20) being horizontally penetrated between the fixing block (18) and the inner wall of the socket (19).

4. The adjustable scraper structure of a rotary drum flaker according to claim 2, characterized in that: A slide groove (21) is provided on the left inner wall of the cavity (5), and a matching slider (22) is slidably connected in the slide groove (21). One end of the slider (22) away from the slide groove (21) is fixedly connected to the annular side wall of the columnar nut (16) facing the connecting block (17).

5. The adjustable scraper structure of a rotary drum flaker according to claim 4, characterized in that: A T-shaped limit groove (23) is provided on the front end side wall of the support seat (4), a T-shaped limit block (24) matching the T-shaped limit groove (23) is slidably connected in the T-shaped limit groove (23), one end of the T-shaped limit block (24) away from the T-shaped limit groove (23) is fixedly connected to the lifting seat (7), and the first opening (6), the sliding groove (21) and the T-shaped limit groove (23) are arranged to be of equal length.

6. The adjustable scraper structure of a rotary drum flaker according to claim 1, characterized in that: The buffer mechanism comprises a circular groove (25) arranged at the upper end of the lifting seat (7), a hydraulic buffer (26) is fixedly installed on the bottom of the circular groove (25), a circular limit block (27) is movably inserted in the circular groove (25), the upper end of the hydraulic buffer (26) is fixedly connected to the lower end of the circular limit block (27), the upper end of the central position of the circular limit block (27) is fixedly connected to a support rod (28), and the load-bearing seat (8) is arranged at the upper end of the support rod (28).

7. The adjustable scraper structure of a rotary drum flaker according to claim 6, characterized in that: The lower end of the load-bearing seat (8) is provided with a circular slot (29), and the top surface of the circular slot (29) close to the annular inner wall is provided with two symmetrically distributed columnar protrusions (30). The upper end of the support rod (28) close to the annular side wall is provided with two symmetrically distributed first circular clamping grooves (31), the upper end of the support rod (28) is inserted into the circular slot (29), and the two columnar protrusions (30) are respectively inserted into the two first circular clamping grooves (31). The right side wall of the load-bearing seat (8) is provided with a groove (32), and the top surface of the groove (32) is fixedly connected to a sleeve (33), and the sleeve ( A spring (34) is fixedly connected to the top surface of the support rod (28), a columnar block (35) is fixedly connected to the lower end of the spring (34), a second circular slot (36) is provided at the upper end of the center of the support rod (28), the columnar block (35) passes through the top surface of the circular slot (29) and is inserted into the second circular slot (36), a second opening (37) is provided on the annular side wall of the sleeve (33), a strip block (38) is fixedly connected to the annular side wall of the columnar block (35) close to the spring (34), the strip block (38) passes through the second opening (37) and extends to the outside of the groove (32).

8. The adjustable scraper structure of a rotary drum flaker according to claim 1, characterized in that: A support block (39) is fixedly connected to the left side wall of the load-bearing seat (8); the upper end of the support block (39) away from the load-bearing seat (8) is rotatably connected to a cylinder (40); the free end of the piston rod of the cylinder (40) is rotatably connected to the scraper body (2); a groove (41) is provided at the upper end of the load-bearing seat (8); the lower end of the scraper body (2) is inserted into the groove (41); and a same positioning pin shaft (42) is horizontally penetrated between the inner wall of the groove (41) and the scraper body (2).

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