A shredder blade

Abstract

The utility model relates to the technical field of shredders, and discloses a shredder blade shaft. It comprises a chassis, the upper surface of which is fixedly connected with a feed hopper, the interior of which is fixedly connected with a mounting snap ring seat, the interior of which is snap-connected with a mounting shaft rod, the side surface of which is fixedly connected with a shredding roller, the surface of which is evenly distributed with annular grooves, the surface of which is evenly distributed with mounting rings, the interior of which is fixedly connected with a sliding rod, and the sliding rod is slidably connected with the annular grooves, the side surface of which is evenly distributed with shredding blades, the side surface of which is fixedly connected with a fixing block, and the fixing block is located below the shredding blade, and the front surface of which is penetrated with a fixing bolt rod. The utility model can disassemble the blade shaft as a whole, and the shredding blade can be disassembled separately at the same time, and the worn blade can be replaced, so as to ensure the normal use of the shredder.

Description

Technical Field

[0001] The utility model relates to the technical field of shredders, in particular to a shredder blade shaft. Background Art

[0002] A shredder is a machine used for coarse crushing, generally used to process unprocessed raw materials or scraps to make them smaller in size. It has the characteristics of low speed, low noise and low energy consumption. It is widely used in the plastic recycling industry, and is often used for the crushing of waste large-diameter PE plastic pipes, bales of plastic film, large piles of plastic sheets and head materials. For example, the patent subject "A shredder knife shaft", application number "202122348453.1", uses a convex block to protect the contact end of the knife head with the crushed material, reduce the wear of the knife head, and increase the service life. However, the worn shredder knife shaft and shredding blade cannot be disassembled and replaced, and it is difficult to ensure the normal use of the shredder. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a shredder knife shaft, which has the function of disassembling the knife shaft as a whole, and at the same time, the shredding blades can be disassembled separately, and the worn blades can be replaced, thereby ensuring the normal use of the shredder and solving the above technical problems.

[0004] To achieve the above object, the utility model provides the following technical solution: comprising a chassis, the upper surface of which is fixedly connected to a feed hopper, the interior of which is fixedly connected to a mounting snap ring seat, the interior of which is snap-connected to a mounting shaft rod, and the side surface of which is fixedly connected to a shredding roller;

[0005] The surface of the shredding roller is evenly distributed with annular grooves, the surface of the shredding roller is evenly distributed with mounting rings, the interior of the mounting ring is fixedly connected with a sliding rod, and the sliding rod is slidably connected with the annular grooves;

[0006] The side surface of the mounting ring is evenly distributed with tearing blades, the side surface of the mounting ring is fixedly connected with a fixing block, and the fixing block is located below the tearing blades, and the front surface of the fixing block is penetrated and connected with a fixing bolt rod.

[0007] Through the above technical solution, the installation shaft rod is pushed to separate it from the installation clamping ring seat, the knife shaft is disassembled as a whole, the fixing bolt rod is twisted to separate it from the fixing block, the fixing block is pulled to separate the end connected to the installation ring and the fixing block, the shredding blade is removed from the surface of the shredding roller, and the worn blade is replaced to ensure the normal use of the shredder.

[0008] As a preferred technical solution of the utility model, a cross engaging groove is provided at one end of the mounting shaft away from the shredding roller.

[0009] Through the above technical solution, the cutter shaft can be installed and connected with the drive assembly by utilizing the cross-engaging groove.

[0010] As the preferred technical solution of the utility model, the interior of the chassis is movably connected with a movable inclined plate through a bearing, and the movable inclined plate is located below the shredding roller. The lower surface of the movable inclined plate is fixedly connected with a spring, and the end of the spring away from the movable inclined plate is fixedly connected to the chassis.

[0011] Through the above technical scheme, the crushed material falls onto the surface of the movable inclined plate, causing the movable inclined plate to swing downward, and the stress rebound of the spring is used to guide the crushed material on the surface of the movable inclined plate to the surface of the screen for screening, thereby guiding the shredded material to avoid the material adhering to the surface of other components and being difficult to clean, thereby ensuring the cleanliness of the interior of the chassis to a certain extent.

[0012] As a preferred technical solution of the utility model, the inner bottom wall of the chassis is provided with a slide groove, the interior of the slide groove is slidably connected with a slider, the upper surface of the slider is fixedly connected with a threaded rod, the side surface of the threaded rod is threadedly connected with a movable sleeve rod, the end of the movable sleeve rod away from the threaded rod is rotatably connected with a receiving arc ring, and the receiving arc ring is engaged with the shredding roller.

[0013] Through the above technical solution, the threaded rod is moved to the center position of the chassis, and the movable sleeve rod is twisted to move it upward on the surface of the threaded rod, thereby pushing the receiving arc ring to move upward and engage with the shredding roller, lifting the shredding roller, making it convenient for staff to disassemble the shredder blade shaft and improving the convenience of disassembling the shredder blade shaft.

[0014] As a preferred technical solution of the utility model, the side surface of the movable sleeve rod is connected through a limiting ring, the side surface of the limiting ring is movably connected to a movable strip plate through a bearing, the right side surface of the movable strip plate is fixedly connected to a connecting block, and the rear surface of the movable strip plate is provided with a slot.

[0015] Through the above technical solution, the movable strip plate is pushed to swing backward, so that the limit ring is deflected backward and the movable sleeve rod is driven to move rightward at the same time.

[0016] As a preferred technical solution of the utility model, a shaft rod is penetrated and connected to the surface of the connecting block one, and a connecting block two is penetrated and connected to the side surface of the shaft rod located above the connecting block one, a fitting block is fixedly connected to the left side of the connecting block two, and the fitting block is fitted and connected to the slot one, a movable strip plate two is fixedly connected to the right side of the connecting block two, and the right side of the movable strip plate two is movably connected to the chassis through a bearing, and the movable strip plate two is located below the spring.

[0017] Through the above technical solution, the card slot 1 is separated from the engaging block, so that the engaging block drives the connecting block 2 to deflect backward, so that the movable strip 2 fits with the inner side of the chassis, and the supporting assembly is stored to avoid affecting the normal operation of the shredder.

[0018] As a preferred technical solution of the utility model, a second card slot is provided on the inner side surface of the chassis, and the second card slot is located below the second movable strip board.

[0019] Through the above technical solution, the second clamping slot is utilized to provide installation conditions for the installation of the screen, so that the movable frame 30 is below the movable inclined plate.

[0020] As a preferred technical solution of the utility model, a groove is provided on the left side of the chassis, a movable frame is connected through the interior of the groove, a screen is provided inside the movable frame, a connecting strip is fixedly connected to the left side of the movable frame, a fixed short rod is fixedly connected to the right side of the movable frame, and the fixed short rod is located on the left side of the second card slot.

[0021] Through the above technical solution, the connecting strip is pushed to move rightward, so that the fixed short rod is embedded in the interior of the second card slot, and the screen is set up inside the chassis to screen the shredded materials.

[0022] Compared with the prior art, the utility model provides a shredder blade shaft, which has the following beneficial effects:

[0023] 1. The utility model pushes the mounting shaft rod to separate it from the mounting clamp ring seat, and disassembles the knife shaft as a whole. When the knife shaft is lifted, the fixing bolt rod is twisted to separate it from the fixing block, and the fixing block is pulled to separate the mounting ring from the end connected to the fixing block, so that the sliding rod is separated from the ring groove, and the shredding blade is removed from the surface of the shredding roller, and the worn blade is replaced to ensure the normal use of the shredder.

[0024] 2. The utility model pushes the movable strip plate 1 to swing backward, so that the limit ring deflects backward and drives the movable sleeve rod to move to the right at the same time. The swing of the movable strip plate 1 separates the card slot 1 from the engaging block, so that the engaging block drives the connecting block 2 to deflect backward. The deflection of the connecting block 2 causes the movable strip plate 2 to swing backward, so that it fits with the inner side of the chassis, and the support assembly is stored to avoid affecting the normal operation of the shredder. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the front internal structure of the utility model;

[0026] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the shredding roller of the utility model;

[0028] Figure 4 This is a schematic diagram of the mounting ring structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the disassembly structure of the movable sleeve rod of the utility model;

[0030] Figure 6 This is a schematic diagram of a split structure of a movable strip of the utility model;

[0031] Figure 7 It is a schematic diagram of the movable frame structure of the utility model.

[0032] Among them: 1. Chassis; 2. Feed hopper; 3. Mounting snap ring seat; 4. Mounting shaft rod; 5. Cross-fitting groove; 6. Shredding roller; 7. Ring groove; 8. Mounting ring; 9. Sliding rod; 10. Shredding blade; 11. Fixed block; 12. Fixed bolt rod; 13. Movable inclined plate; 14. Spring; 15. Slide groove; 16. Sliding block; 17. Threaded rod; 18. Moving sleeve rod; 19. Receiving arc ring; 20. Limiting ring; 21. Movable strip plate 1; 22. Slot 1; 23. Connecting block 1; 24. Shaft rod; 25. Connecting block 2; 26. Fitting block; 27. Movable strip plate 2; 28. Slot 2; 29. ​​Groove; 30. Moving frame; 31. Screen; 32. Connecting strip plate; 33. Fixed short rod. DETAILED DESCRIPTION

[0033] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0034] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] See also Figure 1-Figure 4 A shredder blade shaft comprises a chassis 1, a feed hopper 2 is fixedly connected to the upper surface of the chassis 1, a mounting snap ring seat 3 is fixedly connected inside the chassis 1, a mounting shaft rod 4 is snap-connected inside the mounting snap ring seat 3, a shredding roller 6 is fixedly connected to the side surface of the mounting shaft rod 4, an annular groove 7 is evenly distributed on the surface of the shredding roller 6, a mounting ring 8 is evenly distributed on the surface of the shredding roller 6, a sliding rod 9 is fixedly connected inside the mounting ring 8, and the sliding rod 9 is slidably connected to the annular groove 7, a shredding blade 10 is evenly distributed on the side surface of the mounting ring 8, a fixing block 11 is fixedly connected to the side surface of the mounting ring 8, and the fixing block 11 is located below the shredding blade 10, and a fixing bolt rod 12 is penetrated and connected to the front surface of the fixing block 11.

[0037] During the long-term use of the shredder, the shredder blade shaft needs to be regularly inspected or replaced. The mounting shaft rod 4 is pushed to separate it from the mounting clamping ring seat 3, and the blade shaft is disassembled as a whole. When the blade shaft is lifted, the fixing bolt rod 12 is twisted to separate it from the fixing block 11, and the fixing block 11 is pulled to separate the mounting ring 8 from the end connected to the fixing block 11, so that the sliding rod 9 is separated from the annular groove 7, and the shredder blade 10 is removed from the surface of the shredder roller 6. The worn blade is replaced to ensure the normal use of the shredder.

[0038] See also Figure 3 A cross fitting groove 5 is provided at one end of the mounting shaft rod 4 away from the shredding roller 6.

[0039] The cross-engaging groove 5 is used to enable the knife shaft to be installed and connected with the driving component.

[0040] See also Figure 1 The interior of the chassis 1 is movably connected with a movable inclined plate 13 through a bearing, and the movable inclined plate 13 is located below the tearing roller 6. The lower surface of the movable inclined plate 13 is fixedly connected with a spring 14, and one end of the spring 14 away from the movable inclined plate 13 is fixedly connected to the chassis 1.

[0041] When the shredder is in use, the crushed materials fall onto the surface of the movable inclined plate 13, which is pressed to make the movable inclined plate 13 swing downward, squeeze the spring 14, and use the stress rebound of the spring 14 to guide the crushed materials on the surface of the movable inclined plate 13 to the surface of the screen 31 for screening, thereby guiding the shredded materials to prevent them from adhering to the surfaces of other components and being difficult to clean, thereby ensuring the cleanliness of the interior of the chassis 1 to a certain extent.

[0042] See also Figure 1 and Figure 5 The inner bottom wall of the chassis 1 is provided with a slide groove 15, and a slider 16 is slidably connected inside the slide groove 15. A threaded rod 17 is fixedly connected to the upper surface of the slider 16, and a movable sleeve rod 18 is threadedly connected to the side surface of the threaded rod 17. The end of the movable sleeve rod 18 away from the threaded rod 17 is rotatably connected to a receiving arc ring 19, and the receiving arc ring 19 is engaged with the shredding roller 6.

[0043] During the disassembly of the shredder blade shaft, the threaded rod 17 is pulled to drive the slider 16 to move leftward inside the slide groove 15, so that the threaded rod 17 moves to the center position of the chassis 1, and the movable sleeve rod 18 is twisted to move upward on the surface of the threaded rod 17, thereby pushing the receiving arc ring 19 to move upward and engage with the shredding roller 6, and lifting the shredding roller 6, so as to facilitate the staff to disassemble the shredder blade shaft and improve the convenience of disassembly of the shredder blade shaft.

[0044] See also Figure 1 and Figure 6 The side surface of the movable sleeve rod 18 is connected through a limit ring 20, and the side surface of the limit ring 20 is movably connected to a movable strip plate 21 through a bearing. The right side surface of the movable strip plate 21 is fixedly connected to a connecting block 23, and the rear surface of the movable strip plate 21 is provided with a slot 22.

[0045] When the shredder blade shaft is disassembled and replaced, the movable strip plate 1 21 is pushed to swing backward, so that the limit ring 20 deflects backward and drives the movable sleeve rod 18 to move rightward at the same time.

[0046] See also Figure 6 The surface of the connecting block 1 23 is penetrated by a shaft rod 24, and the side surface of the shaft rod 24 is located above the connecting block 1 23 and penetrated by a connecting block 25, and the left side of the connecting block 25 is fixedly connected with a fitting block 26, and the fitting block 26 is fitted with the slot 1 22, and the right side of the connecting block 25 is fixedly connected with a movable strip plate 27, and the right side of the movable strip plate 27 is movably connected to the chassis 1 through a bearing, and the movable strip plate 27 is located below the spring 14.

[0047] The swing of the movable strip plate 1 21 separates the card slot 1 22 from the engaging block 26, so that the engaging block 26 drives the connecting block 25 to deflect backwards, and the deflection of the connecting block 25 causes the movable strip plate 2 27 to swing backwards, so that it fits with the inner side surface of the chassis 1, and the supporting assembly is stored to avoid affecting the normal operation of the shredder.

[0048] See also Figure 1 A second card slot 28 is provided on the inner side of the chassis 1 , and the second card slot 28 is located below the second movable strip plate 27 .

[0049] The second card slot 28 is used to provide installation conditions for the installation of the screen 31 so that the moving frame 30 is installed below the movable inclined plate 13 .

[0050] See also Figure 1 and Figure 7 A groove 29 is provided on the left side of the chassis 1, a movable frame 30 is connected to the inside of the groove 29, a screen 31 is provided inside the movable frame 30, a connecting strip 32 is fixedly connected to the left side of the movable frame 30, a fixed short rod 33 is fixedly connected to the right side of the movable frame 30, and the fixed short rod 33 is located on the left side of the second card slot 28.

[0051] When the support assembly is stored, the connecting strip 32 is pushed to move rightward, so that the movable frame 30 moves toward the inside of the groove 29, the fixed short rod 33 is embedded in the inside of the second slot 28, and the screen 31 is set up inside the chassis 1 to screen the shredded materials.

[0052] When in use, pull the threaded rod 17 to drive the slider 16 to move leftward inside the slide groove 15, so that the threaded rod 17 moves to the center position of the chassis 1, and twist the movable sleeve rod 18 to move upward on the surface of the threaded rod 17, thereby pushing the receiving arc ring 19 to move upward and engage with the tearing roller 6, lifting the tearing roller 6, pushing the mounting shaft rod 4 to separate it from the mounting snap ring seat 3, and disassembling the knife shaft as a whole. When the knife shaft is lifted, twist the fixing bolt rod 12 to separate it from the fixing block 11, pull the fixing block 11 to separate the end connected with the mounting ring 8 and the fixing block 11, so that the sliding rod 9 is separated from the annular groove 7, and the tearing blade 10 is removed from the surface of the tearing roller 6, and the worn blade is replaced. When the tearing machine knife shaft is disassembled and replaced, push the movable strip plate 21 to swing backward, so that the limit ring 20 deflects backward, and at the same time drives the movable sleeve rod 18 to move right, through the swing of the movable strip plate 21 The card slot 1 22 is separated from the engaging block 26, so that the engaging block 26 drives the connecting block 25 to deflect backward, and the movable strip plate 27 is swung backward through the deflection of the connecting block 25, so that it fits with the inner side of the chassis 1, and the support assembly is stored. During the use of the shredder, the crushed material falls onto the surface of the movable inclined plate 13, which is stamped to make the movable inclined plate 13 swing downward, squeeze the spring 14, and use the stress rebound of the spring 14 to guide the crushed material on the surface of the movable inclined plate 13 to the surface of the screen 31 for screening, and guide the shredded material to prevent the material from adhering to the surface of other components and being difficult to clean. When the support assembly is stored, the connecting strip plate 32 is pushed to move to the right, so that the movable frame 30 moves toward the inside of the groove 29, and the fixed short rod 33 is embedded in the inside of the card slot 28, and the screen frame 31 is set inside the chassis 1 to screen the shredded material.

[0053] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shredder blade shaft, comprising a housing (1), characterized in that: The upper surface of the chassis (1) is fixedly connected to a feed hopper (2), the interior of the chassis (1) is fixedly connected to a mounting snap ring seat (3), the interior of the mounting snap ring seat (3) is snap-connected to a mounting shaft rod (4), and the side surface of the mounting shaft rod (4) is fixedly connected to a shredding roller (6); The surface of the shredding roller (6) is evenly distributed with annular grooves (7), the surface of the shredding roller (6) is evenly distributed with a mounting ring (8), the interior of the mounting ring (8) is fixedly connected with a sliding rod (9), and the sliding rod (9) is slidably connected to the annular groove (7); The side surface of the mounting ring (8) is evenly distributed with tearing blades (10), the side surface of the mounting ring (8) is fixedly connected with a fixing block (11), and the fixing block (11) is located below the tearing blades (10), and the front surface of the fixing block (11) is penetrated and connected with a fixing bolt rod (12).

2. The shredder blade shaft according to claim 1, characterized in that: The end of the mounting shaft rod (4) away from the shredding roller (6) is provided with a cross-engaging groove (5).

3. The shredder blade shaft according to claim 1, characterized in that: The interior of the chassis (1) is movably connected to a movable inclined plate (13) via a bearing, and the movable inclined plate (13) is located below the shredding roller (6). A spring (14) is fixedly connected to the lower surface of the movable inclined plate (13), and one end of the spring (14) away from the movable inclined plate (13) is fixedly connected to the chassis (1).

4. The shredder blade shaft according to claim 1, characterized in that: The inner bottom wall of the chassis (1) is provided with a slide groove (15), the interior of the slide groove (15) is slidably connected to a slider (16), the upper surface of the slider (16) is fixedly connected to a threaded rod (17), the side surface of the threaded rod (17) is threadedly connected to a movable sleeve rod (18), the end of the movable sleeve rod (18) away from the threaded rod (17) is rotatably connected to a receiving arc ring (19), and the receiving arc ring (19) is engaged with the shredding roller (6).

5. The shredder blade shaft according to claim 4, characterized in that: The side surface of the movable sleeve rod (18) is connected through a limit ring (20), and the side surface of the limit ring (20) is movably connected to a movable strip plate (21) through a bearing, and the right side surface of the movable strip plate (21) is fixedly connected to a connecting block (23), and the rear surface of the movable strip plate (21) is provided with a clamping groove (22).

6. The shredder blade shaft according to claim 5, characterized in that: The surface of the connecting block 1 (23) is penetrated by a shaft rod (24), and the side surface of the shaft rod (24) is located above the connecting block 1 (23) and penetrated by a connecting block 2 (25), the left side of the connecting block 2 (25) is fixedly connected with a fitting block (26), and the fitting block (26) is fitted with the slot 1 (22), the right side of the connecting block 2 (25) is fixedly connected with a movable strip plate 2 (27), and the right side of the movable strip plate 2 (27) is movably connected to the chassis (1) through a bearing, and the movable strip plate 2 (27) is located below the spring (14).

7. The shredder blade shaft according to claim 1, characterized in that: The inner side surface of the chassis (1) is provided with a second card slot (28), and the second card slot (28) is located below the second movable strip plate (27).

8. The shredder blade shaft according to claim 1, characterized in that: The left side of the chassis (1) is provided with a groove (29), the interior of the groove (29) is connected with a movable frame (30), the interior of the movable frame (30) is provided with a screen (31), the left side of the movable frame (30) is fixedly connected with a connecting strip (32), the right side of the movable frame (30) is fixedly connected with a fixed short rod (33), and the fixed short rod (33) is located on the left side of the second card slot (28).

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