Axial gap adjusting mechanism for cutter roller of shredding machine

Abstract

The utility model belongs to the field of adjusting mechanisms, and particularly relates to a shredding machine knife roll axial gap adjusting mechanism which comprises a shredding shell and a shredding mechanism located in the shredding shell, the shredding mechanism comprises U-shaped plates, a driving shaft and a shredding knife roll, the two U-shaped plates are installed on the inner walls of the two sides of the shredding shell in a sliding mode, and the U-shaped plates are connected with the driving shaft. A U-shaped plate is arranged in the shredding shell, a driving shaft is rotationally installed on the inner walls of the two sides of the U-shaped plate, a shredding knife roller is fixedly installed on the driving shaft, hydraulic cylinders are fixedly installed on the front side and the rear side of the shredding shell correspondingly, output shafts of the hydraulic cylinders extend into the shredding shell and are fixedly connected with the U-shaped plate, a guide mechanism is arranged between the U-shaped plate and the shredding shell, and a power assembly is arranged on one side of the shredding shell. And the power assembly is connected with the driving shaft. The shredding device is reasonable in design, the distance between the two shredding knife rollers can be adjusted through movement of the shredding knife rollers, and the two shredding knife rollers can be driven by the driving motor to rotate and shred pieces to be shredded.

Description

Technical Field

[0001] The utility model relates to the technical field of adjustment mechanisms, in particular to an axial clearance adjustment mechanism for a knife roller of a shredder. Background Art

[0002] The recycling industry needs to crush and decompose the recycled materials, and then further perform screening and other processes that can make good use of the materials.

[0003] At present, the Chinese patent announcement with announcement number CN203830094U discloses a material leveling device for a shredder, including a shredder box and a leveler; the shredder box is a rectangular box, inside which a shredder knife group is installed; the shredder knife group is a plurality of disc-shaped knives with rotating shafts installed, the rotating shafts between the knives are parallel to each other and staggered in space, two of which are higher than the other knives and are respectively close to the two side walls of the shredder box; a leveler is arranged above the shredder knife group, the longitudinal direction of the leveler is parallel to the rotating shaft of the knife, and its cross section is a triangle; there is a preset gap between the leveler and the knife; the gap between the leveler and the knife can be adjusted. The utility model provides a material leveling device for a shredder, which makes the load change of the shredder smoother, avoids overload and no-load, and improves the working efficiency and service life of the machine.

[0004] In actual use, it is found that the spacing between the shredding knife groups is fixed. When the shredding pieces are different, the sizes to be shredded are different, and there is a problem that it is inconvenient to adjust the spacing between the shredding knife groups according to needs. Therefore, we propose an axial gap adjustment mechanism for the shredder knife roller to solve the above problem. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an axial clearance adjustment mechanism for a shredder cutter roller.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A mechanism for adjusting the axial clearance of a shredder roller comprises a shredding shell and a shredding mechanism located in the shredding shell, wherein the shredding mechanism comprises a U-shaped plate, a driving shaft and a shredding roller, two U-shaped plates are slidably mounted on the inner walls of both sides of the shredding shell, the driving shaft is rotatably mounted on the inner walls of both sides of the U-shaped plate, and the shredding roller is fixedly mounted on the driving shaft;

[0008] Hydraulic cylinders are fixedly installed on the front and rear sides of the shredding shell, the output shafts of the hydraulic cylinders extend into the shredding shell and are fixedly connected to the U-shaped plate, and a guide mechanism is provided between the U-shaped plate and the shredding shell. A power assembly is provided on one side of the shredding shell, and the power assembly is connected to the drive shaft.

[0009] Preferably, the guide mechanism comprises a guide hole and a guide rod, the guide holes are provided on the front and rear inner walls of the shredding shell, and a guide rod fixedly connected to the U-shaped plate is slidably installed in the guide hole.

[0010] Preferably, the power assembly comprises a driving mechanism and a transmission mechanism, a driving mechanism is provided on one side of the shredding shell, and a transmission mechanism is provided between the driving mechanism and the driving shaft.

[0011] Preferably, the driving mechanism comprises a fixed plate, a transmission shaft and a driving motor, two fixed plates are fixedly installed on one side of the shredding shell, a transmission shaft is rotatably installed between the two fixed plates, the driving motor is installed on the fixed plate, and the output shaft of the driving motor is fixedly connected to the transmission shaft.

[0012] Preferably, the transmission mechanism includes a rotating seat, a driving bevel gear and a driven bevel gear, the rotating seat is slidably sleeved on the transmission shaft, the driving bevel gear is fixedly mounted on the rotating seat, one end of the driving shaft extends to the outside of the shredding shell and is fixedly mounted with the driven bevel gear, and the driving bevel gear is meshed with the corresponding driven bevel gear.

[0013] Preferably, two rectangular holes are provided on an inner wall of one side of the shredding shell, and the driving shaft passes through the shredding shell through the corresponding rectangular holes.

[0014] Preferably, a connecting plate is fixedly installed on one side of the U-shaped plate, the connecting plate passes through the tearing shell through a guide hole, a rotating hole is opened on the connecting plate, and the rotating seat is rotatably connected to the rotating hole.

[0015] Preferably, limiting grooves are provided on both sides of the transmission shaft, and limiting seats are fixedly installed on the inner walls on both sides of the rotating hole, and the limiting seats are slidably connected to the corresponding limiting grooves.

[0016] Preferably, an annular groove is provided on the inner wall of the rotating hole, an annular seat is fixedly mounted on the outer side of the rotating seat, and the annular seat is rotatably connected to the corresponding annular groove.

[0017] Beneficial effects of the utility model:

[0018] 1. By starting the hydraulic cylinder, the hydraulic cylinder can drive the U-shaped plate to move through the output shaft, and the U-shaped plate can drive the shredding knife roller to move, so as to achieve the purpose of adjusting the distance between the two shredding knife rollers;

[0019] 2. When the U-shaped plate moves, the U-shaped plate can drive the driving shaft and the driven bevel gear to move, and the U-shaped plate can drive the connecting plate, the rotating seat and the driving bevel gear to move. At this time, the driving bevel gear and the driven bevel gear can move synchronously, so that the driving bevel gear and the driven bevel gear can always be in a meshing state;

[0020] 3. Through the cooperation of the driving motor, the transmission shaft, the limit seat, the rotating seat and the driving bevel gear, the driving bevel gear can drive the driving shaft and the shredding knife roller to rotate through the driven bevel gear, and the rotation directions of the two shredding knife rollers are opposite. The purpose of shredding the parts to be shredded can be achieved through the rotation of the two shredding knife rollers. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural schematic diagram of an axial clearance adjustment mechanism for a shredder blade roller proposed by the utility model;

[0022] Figure 2 It is a top view and a cross-sectional three-dimensional structure schematic diagram of a shredder blade roller axial clearance adjustment mechanism proposed by the utility model;

[0023] Figure 3 The utility model is a schematic structural diagram of part A of a mechanism for adjusting the axial clearance of a shredder roller.

[0024] In the figure: 1. shredder shell; 2. U-shaped plate; 3. shredder roller; 4. guide hole; 5. guide rod; 6. hydraulic cylinder; 7. fixing plate; 8. transmission shaft; 9. driving motor; 10. rectangular hole; 11. driving shaft; 12. driven bevel gear; 13. connecting plate; 14. rotating hole; 15. rotating seat; 16. driving bevel gear; 17. limiting groove; 18. limiting seat. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-3 , a mechanism for adjusting the axial clearance of a shredder roller, comprising a shredding shell 1 and a shredding mechanism located in the shredding shell 1, the shredding mechanism comprising a U-shaped plate 2, a driving shaft 11 and a shredding roller 3, two U-shaped plates 2 are slidably mounted on the inner walls of both sides of the shredding shell 1, driving shafts 11 are rotatably mounted on the inner walls of both sides of the U-shaped plate 2, and shredding rollers 3 are fixedly mounted on the driving shaft 11, hydraulic cylinders 6 are fixedly mounted on the front and rear sides of the shredding shell 1, the output shaft of the hydraulic cylinder 6 extends into the shredding shell 1 and is fixedly connected to the U-shaped plate 2, and a guiding mechanism is provided between the U-shaped plate 2 and the shredding shell 1, a power assembly is provided on one side of the shredding shell 1, and the power assembly is connected to the driving shaft 11, and the purpose of crushing wind turbine blades can be achieved by rotating the two shredding rollers 3.

[0027] In this embodiment, the guide mechanism includes a guide hole 4 and a guide rod 5. The guide holes 4 are opened on the front and rear inner walls of the tearing shell 1. The guide rod 5 fixedly connected to the U-shaped plate 2 is slidably installed in the guide hole 4. By providing the guide hole 4 and the guide rod 5, the U-shaped plate 2 can be guided, thereby achieving stable movement of the U-shaped plate 2.

[0028] In this embodiment, the power assembly includes a driving mechanism and a transmission mechanism. A driving mechanism is provided on one side of the shredding shell 1, and a transmission mechanism is provided between the driving mechanism and the driving shaft 11. The driving mechanism includes a fixed plate 7, a transmission shaft 8 and a driving motor 9. Two fixed plates 7 are fixedly installed on one side of the shredding shell 1, and a transmission shaft 8 is rotatably installed between the two fixed plates 7. A driving motor 9 is installed on the fixed plate 7, and the output shaft of the driving motor 9 is fixedly connected to the transmission shaft 8. By providing the driving motor 9, the driving motor 9 can provide driving force for the rotation of the two shredding rollers 3.

[0029] In this embodiment, the transmission mechanism includes a rotating seat 15, a driving bevel gear 16 and a driven bevel gear 12. The rotating seat 15 is slidably sleeved on the transmission shaft, and the driving bevel gear 16 is fixedly mounted on the rotating seat 15. One end of the driving shaft extends to the outside of the shredding shell 1 and is fixedly mounted with a driven bevel gear, and the driving bevel gear 16 is meshed with the corresponding driven bevel gear 12. When the transmission shaft 8 can drive the rotating seat 15 and the driving bevel gear 16 to rotate through the limiting seat 18, the driving bevel gear 16 can drive the driving shaft 11 and the shredding roller 3 to rotate through the driven bevel gear.

[0030] In this embodiment, two rectangular holes 10 are provided on the inner wall of one side of the shredding shell 1, and the driving shaft 11 passes through the corresponding rectangular holes 10 to penetrate the shredding shell 1, and a connecting plate 13 is fixedly installed on one side of the U-shaped plate 2, and the connecting plate 13 passes through the shredding shell 1 through the guide hole 4. A rotating hole 14 is provided on the connecting plate 13, and the rotating seat 15 is rotatably connected to the rotating hole 14. The rotating seat 15 and the driving bevel gear 16 can be driven to move through the connecting plate 13, so that the driving bevel gear 16 and the driven bevel gear 12 can always be in a meshing state.

[0031] In this embodiment, limiting grooves 17 are provided on both sides of the transmission shaft 8, and limiting seats 18 are fixedly installed on the inner walls of both sides of the rotating hole 14. The limiting seats 18 are slidably connected with the corresponding limiting grooves 17. The transmission shaft 8 can drive the rotating seat 15 and the driving bevel gear 16 to rotate through the limiting seats 18. An annular groove is provided on the inner wall of the rotating hole 14, and an annular seat is fixedly installed on the outer side of the rotating seat 15, and the annular seat is rotatably connected with the corresponding annular groove. By providing the annular groove and the annular seat, the rotating seat 15 can be stably rotatably installed on the connecting plate 13.

[0032] In the utility model, by starting the hydraulic cylinder 6, the hydraulic cylinder 6 can drive the U-shaped plate 2 to move through the output shaft, and the U-shaped plate 2 can drive the tearing knife roller 3 to move, so as to achieve the purpose of adjusting the distance between the two tearing knife rollers 3. When the U-shaped plate 2 moves, the U-shaped plate 2 can drive the driving shaft 11 and the driven bevel gear 12 to move, and the U-shaped plate 2 can drive the connecting plate 13, the rotating seat 15 and the driving bevel gear 16 to move. At this time, the driving bevel gear 16 and the driven bevel gear 12 can move synchronously, so that the driving bevel gear 16 and the driven bevel gear 12 can always be in a meshing state. By starting the driving motor 9, the driving motor 9 can drive the transmission shaft 8 to rotate, and the transmission shaft 8 can drive the rotating seat 15 and the driving bevel gear 16 to rotate through the limiting seat 18, and the driving bevel gear 16 can drive the driving shaft 11 and the tearing knife roller 3 to rotate through the driven bevel gear, and the rotation directions of the two tearing knife rollers 3 are opposite. The purpose of tearing the to-be-shredded parts can be achieved by rotating the two tearing knife rollers 3.

[0033] The above is a detailed introduction to the axial clearance adjustment mechanism for the shredder roller provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A mechanism for adjusting the axial clearance of a shredder roller, characterized in that: The invention comprises a shredding shell (1) and a shredding mechanism located in the shredding shell (1), wherein the shredding mechanism comprises a U-shaped plate (2), a driving shaft (11) and a shredding blade roller (3), two U-shaped plates (2) are slidably mounted on the inner walls on both sides of the shredding shell (1), the driving shaft (11) is rotatably mounted on the inner walls on both sides of the U-shaped plate (2), and the shredding blade roller (3) is fixedly mounted on the driving shaft (11); A hydraulic cylinder (6) is fixedly mounted on the front and rear sides of the shredding shell (1); an output shaft of the hydraulic cylinder (6) extends into the shredding shell (1) and is fixedly connected to the U-shaped plate (2); a guide mechanism is provided between the U-shaped plate (2) and the shredding shell (1); a power assembly is provided on one side of the shredding shell (1), and the power assembly is connected to a drive shaft (11).

2. The axial clearance adjustment mechanism for the shredder roller according to claim 1 is characterized in that: The guide mechanism comprises a guide hole (4) and a guide rod (5). The guide holes (4) are provided on the front and rear inner walls of the shredding shell (1). The guide rod (5) fixedly connected to the U-shaped plate (2) is slidably mounted in the guide hole (4).

3. The axial clearance adjustment mechanism for the shredder roller according to claim 1, characterized in that: The power assembly comprises a driving mechanism and a transmission mechanism; a driving mechanism is provided on one side of the shredding shell (1); and a transmission mechanism is provided between the driving mechanism and the driving shaft (11).

4. The axial clearance adjustment mechanism for the shredder roller according to claim 3 is characterized in that: The driving mechanism comprises a fixed plate (7), a transmission shaft (8) and a driving motor (9); two fixed plates (7) are fixedly mounted on one side of the shredding shell (1); a transmission shaft (8) is rotatably mounted between the two fixed plates (7); a driving motor (9) is mounted on the fixed plate (7); and an output shaft of the driving motor (9) is fixedly connected to the transmission shaft (8).

5. The axial clearance adjustment mechanism for the shredder roller according to claim 3 is characterized in that: The transmission mechanism comprises a rotating seat (15), a driving bevel gear (16) and a driven bevel gear (12); the rotating seat (15) is slidably sleeved on the transmission shaft (8); the driving bevel gear (16) is fixedly mounted on the rotating seat (15); one end of the driving shaft (11) extends to the outside of the shredding shell (1) and is fixedly mounted with the driven bevel gear (12); and the driving bevel gear (16) is meshed with the corresponding driven bevel gear (12).

6. The axial clearance adjustment mechanism for the shredder roller according to claim 1, characterized in that: Two rectangular holes (10) are provided on an inner wall of one side of the shredding shell (1), and the driving shaft (11) passes through the corresponding rectangular holes (10) and penetrates the shredding shell (1).

7. The axial clearance adjustment mechanism for the shredder roller according to claim 1, characterized in that: A connecting plate (13) is fixedly mounted on one side of the U-shaped plate (2); the connecting plate (13) penetrates the shredder shell (1) through the guide hole (4); a rotating hole (14) is provided on the connecting plate (13); and a rotating seat (15) is rotatably connected to the rotating hole (14).

8. The axial clearance adjustment mechanism for the shredder roller according to claim 4, characterized in that: Limiting grooves (17) are provided on both sides of the transmission shaft (8), and limiting seats (18) are fixedly installed on the inner walls of both sides of the rotating hole (14), and the limiting seats (18) are slidably connected to the corresponding limiting grooves (17).

9. The axial clearance adjustment mechanism for the shredder roller according to claim 7, characterized in that: An annular groove is provided on the inner wall of the rotating hole (14), an annular seat is fixedly mounted on the outer side of the rotating seat (15), and the annular seat is rotatably connected to the corresponding annular groove.

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