Low-noise environment-friendly shredding machine

Abstract

The utility model discloses a low-noise environment-friendly shredder, which relates to the technical field of shredder, and comprises a rack, a box body is arranged on the upper surface of the rack, a feed port is arranged at the top of the box body, a discharge port is arranged at the bottom of the box body, a crushing roller is arranged in the box body, and a roller shaft is arranged in the middle of the crushing roller in a penetrating manner. And side plates are arranged on the front side and the rear side of the crushing roller. By arranging the hopper mechanism, the feeding hopper can be driven by the overturning motor to overturn, the height of the feeding hopper is reduced, materials can be conveniently put in, meanwhile, the feeding port is covered with the sealing plate, the feeding port is blocked, noise transmitted when the crushing roller makes contact with the materials is reduced, and the shredding machine is lower in noise and more environmentally friendly in the working state; by arranging the material pressing mechanism, the effect that the material pressing mechanism is driven to press materials by means of rotation of the roller shaft without additionally installing driving equipment is achieved, and the effect that the materials are pressed and prevented from sliding and turning over on the crushing roller is achieved.

Description

Technical Field

[0001] This utility model relates to the field of shredder technology, specifically a low-noise and environmentally friendly shredder. Background Technology

[0002] A shredder is a device used for coarse crushing of materials. It is often used to process unprocessed raw materials or scraps to make them smaller in size. It is commonly used in the recycling industry. Current shredders usually have two opposing crushing rollers inside. The feed hopper is connected to the top of the box, and the discharge port is opened at the bottom. The crushing rollers are driven by a motor to rotate, and the material is fed into the box from the feed hopper. The material is crushed and reduced in size by the two crushing rollers, and finally falls out of the gap between the two crushing rollers.

[0003] The existing shredder has a feeding hopper that is too high, making manual feeding inconvenient. Using a conveyor to lift and transport the material consumes electricity and increases crushing costs. Furthermore, the internal cavity of the shredder is connected to the working environment through the feeding hopper, causing noise from the crushing rollers contacting the material to be transmitted, resulting in excessive operating noise. In addition, for larger and rounded materials, the two crushing rollers cannot squeeze them together, and the material is prone to sliding and tumbling on the crushing rollers, affecting the crushing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a low-noise, environmentally friendly shredder to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a low-noise and environmentally friendly shredder, comprising a frame, a housing mounted on the upper surface of the frame, a feed inlet at the top of the housing, a discharge outlet at the bottom of the housing, a crushing roller mounted inside the housing, a roller shaft passing through the middle of the crushing roller, side plates on both the front and rear sides of the crushing roller, a connecting block connecting the crushing roller and the side plates, a rotating shaft passing through the middle of the side plates, a first bearing connected to the side wall of the housing, a drive motor connected to the rotating shaft on the rear side of the housing, a hopper mechanism mounted above the housing, and a pressing mechanism connected to both the front and rear sides of the roller shaft;

[0006] The hopper mechanism includes a feeding hopper, a sealing plate connected to one side of the feeding hopper, connecting plates connected to the front and rear side walls of the feeding hopper, a central shaft penetrating the bottom of the connecting plates, a second bearing connected to the central shaft and the front and rear side walls of the box body, and a tilting motor connected to the front side wall of the central shaft on the front side of the box body.

[0007] The pressing mechanism includes a pressing plate, a first hinge seat is provided on one side of the pressing plate, a first pin is provided through the pressing plate and the first hinge seat, a second hinge seat is connected to the lower surface of the pressing plate near the front and rear edges, a traction rod is provided below the second hinge seat, a second pin is provided through the top of the traction rod and the second hinge seat, a rotating rod is connected below the traction rod, a third pin is provided through the bottom of the traction rod and the rotating rod, and a fixed shaft is provided through the end of the rotating rod away from the traction rod.

[0008] Preferably, the box body is cylindrical, the central shaft is coaxially arranged with the box body, the central shaft is rotatably connected to the box body via a second bearing, the top of the connecting plate is connected to the feed hopper, and the bottom of the connecting plate is connected to the central shaft.

[0009] Preferably, the sealing plate is arc-shaped, coaxially arranged with the housing, and the width of the sealing plate is greater than the width of the feed inlet.

[0010] Preferably, the rotating rod is connected to the roller shaft via a fixed shaft, the rotating rod rotates synchronously with the crushing roller around the roller shaft axis, the top of the traction rod is rotatably connected to the second hinge seat via a second pin, and the bottom of the traction rod is rotatably connected to the rotating rod via a third pin.

[0011] Preferably, there are two pressure plates, which are respectively installed above the two crushing rollers, and one side of the pressure plate is rotatably connected to the inner wall of the box via a first pin and a first hinge seat.

[0012] Preferably, there are two crushing rollers, which are arranged symmetrically to the left and right of the housing. The crushing rollers are connected to the side plates via connecting blocks, and the roller shafts are coaxial with the rotating shaft. The rotating shaft is rotatably connected to the housing via a first bearing.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This low-noise, environmentally friendly shredder features a hopper mechanism. A tilting motor drives the central shaft to rotate, which in turn drives the connecting plate. The connecting plate causes the feed hopper to slide along the outer wall of the housing, tilting it from the top to one side of the housing to lower its height and facilitate material feeding. The tilting motor then reverses to drive the connecting plate back to rotate, bringing the feed hopper carrying material back to the top of the housing and pushing the material into the feed inlet. Inside the housing, as the crushing rollers crush the material, the connecting plate tilts the feed hopper to one side, causing the sealing plate to slide along the outer wall of the housing. This sealing plate covers the feed inlet, blocking the noise from the crushing rollers contacting the material, resulting in a quieter and more environmentally friendly shredder operation.

[0015] 2. This low-noise, environmentally friendly shredder features a pressing mechanism. During the crushing process, two crushing rollers rotate in opposite directions, compressing the material. The drive motor drives the side plate to rotate via the rotating shaft. The side plate drives the crushing roller to rotate via the connecting block. The crushing roller drives the roller shaft to rotate. The roller shaft drives the rotating rod to rotate via the fixed shaft. The rotating rod pulls the traction rod via the third pin. The traction rod pulls the pressing plate to rotate up and down around the first pin via the second pin. The two pressing plates alternately compress the material, ensuring that the material is fully compressed and in contact with the crushing roller, resulting in rapid crushing. The pressing mechanism, driven by the rotation of the roller shaft, compresses the material, eliminating the need for additional drive equipment and preventing the material from sliding or tumbling on the crushing roller. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a front sectional view of the present invention.

[0018] Figure 3 This is a schematic diagram of the hopper mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the pressing mechanism of this utility model.

[0020] In the diagram: 1. Frame; 2. Housing; 3. Feed inlet; 4. Discharge outlet; 5. Crushing roller; 51. Roller shaft; 52. Connecting block; 53. Side plate; 54. Rotating shaft; 55. First bearing; 56. Drive motor; 6. Hopper mechanism; 61. Feed hopper; 62. Sealing plate; 63. Connecting plate; 64. Central shaft; 65. Second bearing; 66. Tilting motor; 7. Pressing mechanism; 71. Pressing plate; 72. First hinge seat; 73. First pin; 74. Second hinge seat; 75. Traction rod; 76. Second pin; 77. Rotating rod; 78. Third pin; 79. Fixed shaft. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] like Figures 1 to 4 As shown, this embodiment of the low-noise and environmentally friendly shredder includes a frame 1, a housing 2 mounted on the upper surface of the frame 1, a feed inlet 3 at the top of the housing 2, and a discharge outlet 4 at the bottom of the housing 2. The feed inlet 3 and the discharge outlet 4 are used for feeding and discharging materials into the housing 2, respectively. A crushing roller 5 is installed inside the housing 2, and the outer surface of the crushing roller 5 is provided with blades for crushing materials. A roller shaft 51 is inserted through the middle of the crushing roller 5. Side plates 53 are provided on both the front and rear sides of the crushing roller 5. A connecting block 52 connects the crushing roller 5 and the side plates 53. There is a gap between the side plates 53 and the crushing roller 5 to provide space for the pressing mechanism 7 to move. A rotating shaft 54 ​​is inserted through the middle of the side plates 53. The rotating shaft 54 ​​is connected to the housing 2. A first bearing 55 is connected to the side wall. A drive motor 56 is connected to the rotating shaft 54 ​​on the rear side of the housing 2. The drive motor 56 is installed on the rear side of the housing 2. The shaft end of the drive motor 56 is connected to a rotating shaft 54 ​​to drive the rotating shaft 54 ​​to rotate relative to the housing 2. The two rotating shafts 54 are connected by two meshing gears to form a rotational connection, so that when the drive motor 56 drives one rotating shaft 54 ​​to rotate, the other rotating shaft rotates synchronously. Similar to the existing shredder, the two crushing rollers 5 rotate in opposite directions. A hopper mechanism 6 is installed on the top of the housing 2. Pressing mechanisms 7 are connected to both the front and rear sides of the roller shaft 51. A power distribution cabinet is installed on one side of the frame 1 for electrical connection with various electrical equipment to control the normal operation of each electrical equipment.

[0024] The hopper mechanism 6 includes a feeding hopper 61. A sealing plate 62 is connected to one side of the feeding hopper 61 to block the feeding hopper 61 when the crushing roller 5 is working, thereby reducing the transmission of crushing noise inside the box 2. Connecting plates 63 are connected to both the front and rear side walls of the feeding hopper 61. The front and rear side walls of the feeding hopper 61 are rotatably connected to the box 2 through the connecting plates 63. A central shaft 64 is connected through the bottom of the connecting plate 63. A second bearing 65 is connected to the front and rear side walls of the box 2 through the central shaft 64. A tilting motor 66 is connected to the front side wall of the central shaft 64 on the front side of the box 2. The tilting motor 66 is installed on the front side wall of the box 2, and the shaft end of the tilting motor 66 is connected to a central shaft 64.

[0025] The pressing mechanism 7 includes a pressing plate 71. A first hinge seat 72 is provided on one side of the pressing plate 71. The first hinge seat 72 is welded and fixed to the inner wall of the housing 2. A first pin 73 is provided through between the pressing plate 71 and the first hinge seat 72. A second hinge seat 74 is connected to the lower surface of the pressing plate 71 near the front and rear edges. The second hinge seat 74 is welded and fixed to the lower surface of the pressing plate 71. A traction rod 75 is provided below the second hinge seat 74. A second pin 76 is provided through between the top of the traction rod 75 and the second hinge seat 74. A rotating rod 77 is connected below the traction rod 75. There are two traction rods 75 and two rotating rods 77. They are symmetrical about the front and rear of the pressing plate 71. A third pin 78 is provided through between the bottom of the traction rod 75 and the rotating rod 77. A fixed shaft 79 is provided through the end of the rotating rod 77 away from the traction rod 75. The fixed shaft 79 is centrally connected to the roller shaft 51.

[0026] Specifically, the box body 2 is cylindrical, with the central shaft 64 coaxially arranged with the box body 2. The bottom of the feeding hopper 61 is also arc-shaped and fits against the outer wall of the box body 2. The feeding hopper 61 is connected from top to bottom. The material fed into the feeding hopper 61 directly enters the interior of the box body 2 from the feeding port 3. The central shaft 64 is rotatably connected to the box body 2 via the second bearing 65. The top of the connecting plate 63 is connected to the feeding hopper 61, and the bottom of the connecting plate 63 is connected to the central shaft 64. The central shaft 64 is driven to rotate by the flipping motor 66, which in turn drives the connecting plate 63 to rotate. The connecting plate 63 causes the feeding hopper 61 to slide along the outer wall of the box body 2, so that the feeding hopper 61 flips and moves from the top of the box body 2 to one side of the box body 2, reducing the height of the feeding hopper 61 and facilitating the feeding of materials.

[0027] The sealing plate 62 is arc-shaped and is coaxially arranged with the housing 2. The width of the sealing plate 62 is greater than the width of the feed inlet 3. When the feed hopper 61 rotates around the axis of the housing 2, the feed hopper 61 drives the sealing plate 62 to slide along the outer wall of the housing 2, so that the sealing plate 62 covers the feed inlet 3 and seals the feed inlet 3, reducing the noise transmitted when the crushing roller 5 comes into contact with the material, making the shredder less noisy and more environmentally friendly in operation.

[0028] Furthermore, the rotating rod 77 is connected to the roller shaft 51 via the fixed shaft 79. The rotating rod 77 rotates synchronously with the crushing roller 5 around the axis of the roller shaft 51. When the crushing roller 5 drives the roller shaft 51 to rotate, the roller shaft 51 drives the rotating rod 77 to rotate via the fixed shaft 79. The top of the traction rod 75 is rotatably connected to the second hinge seat 74 via the second pin 76, and the bottom of the traction rod 75 is rotatably connected to the rotating rod 77 via the third pin 78. When the rotating rod 77 rotates, it pulls the traction rod 75 to move via the third pin 78. The traction rod 75 pulls the pressure plate 71 to rotate up and down around the first pin 73 via the second pin 76. The pressure plate 71 moves downward to squeeze the material. The fixed shaft 79 connected to the two roller shafts 51 is centrally symmetrical with respect to the center of the box 2, so that the left and right pressure plates 71 squeeze the material in turn.

[0029] Furthermore, there are two pressure plates 71, which are installed above the two crushing rollers 5 respectively. One side of the pressure plate 71 is rotatably connected to the inner wall of the box 2 via the first pin 73 and the first hinge seat 72. By rotating the pressure plate 71 up and down around the first pin 73, the two pressure plates 71 alternately squeeze the material, so that the material is fully pressed and in contact with the crushing rollers 5, and is quickly crushed by the crushing rollers 5.

[0030] Furthermore, there are two crushing rollers 5, which are arranged symmetrically on the left and right sides relative to the housing 2. The crushing rollers 5 are connected to the side plates 53 via connecting blocks 52. The two side plates 53 are close to the inner walls of the front and rear sides of the housing 2 and can rotate relative to the housing 2. The roller shaft 51 and the rotating shaft 54 ​​are coaxially arranged. The rotating shaft 54 ​​is rotatably connected to the housing 2 via the first bearing 55. The drive motor 56 drives the side plates 53 to rotate via the rotating shaft 54. The side plates 53 drive the crushing rollers 5 to rotate via the connecting blocks 52. The crushing rollers 5 drive the roller shaft 51 to rotate.

[0031] The usage method of this embodiment is as follows: When the user actually uses the shredder to process materials, first start the tilting motor 66. The tilting motor 66 drives the central shaft 64 to rotate, the central shaft 64 drives the connecting plate 63 to rotate, and the connecting plate 63 drives the feed hopper 61 to slide along the outer wall of the box 2, so that the feed hopper 61 tilts and moves from the top of the box 2 to one side of the box 2, lowering the height of the feed hopper 61. Then, the material is poured into the feed hopper 61. Then, start the tilting motor 66 to reverse, the tilting motor 66 reverses and drives the connecting plate 63 to rotate, the connecting plate 63 drives the feed hopper 61 carrying the material to rotate to the top of the box 2, pushing the material into the feed inlet 3 for feeding. The material falls from the feed hopper 61 between the two crushing rollers 5. At the same time, the drive motor 56 drives the side plate 53 to rotate via the rotating shaft 54. The side plate 53 drives the crushing rollers 5 to rotate via the connecting block 52. The two crushing rollers 5 rotate towards each other and squeeze the material, and the material is then crushed by the material being ... The blades on the surface of the crushing roller 5 crush the material. At the same time, the rotating motor 66 drives the connecting plate 63 to rotate to one side. The connecting plate 63 drives the feed hopper 61 to move to one side of the box 2. The feed hopper 61 drives the sealing plate 62 to slide along the outer wall of the box 2, so that the sealing plate 62 covers the feed inlet 3 and blocks the feed inlet 3, reducing the noise transmitted when the crushing roller 5 comes into contact with the material. While the crushing roller 5 is rotating, it drives the roller shaft 51 to rotate. The roller shaft 51 drives the rotating rod 77 to rotate via the fixed shaft 79. The rotating rod 77 pulls the traction rod 75 to move via the third pin 78. The traction rod 75 pulls the pressure plate 71 to rotate up and down around the first pin 73 via the second pin 76. The two pressure plates 71 on the left and right alternately squeeze the material, so that the material is fully compressed and in contact with the crushing roller 5, and is quickly crushed by the crushing roller 5. The crushed material passes through the gap between the two crushing rollers 5 and finally goes out from the discharge port 4.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A low-noise, environmentally friendly shredder, comprising a frame (1), characterized in that: The upper surface of the frame (1) is equipped with a box (2). The top of the box (2) is provided with a feed port (3) and the bottom of the box (2) is provided with a discharge port (4). The box (2) is equipped with a crushing roller (5). A roller shaft (51) is provided through the middle of the crushing roller (5). Side plates (53) are provided on both the front and rear sides of the crushing roller (5). A connecting block (52) is connected between the crushing roller (5) and the side plate (53). A rotating shaft (54) is connected through the middle of the side plate (53). A first bearing (55) is connected to the side wall of the box (2). A drive motor (56) is connected to the rotating shaft (54) on the rear side of the box (2). A hopper mechanism (6) is installed on the top of the box (2). A pressing mechanism (7) is connected to both the front and rear sides of the roller shaft (51). The hopper mechanism (6) includes a feeding hopper (61), a sealing plate (62) is connected to one side of the feeding hopper (61), and connecting plates (63) are connected to both the front and rear side walls of the feeding hopper (61). A central shaft (64) is connected through the bottom of the connecting plate (63). A second bearing (65) is connected to the front and rear side walls of the box body (2). A tilting motor (66) is connected to the front side wall of the central shaft (64) on the front side of the box body (2). The pressing mechanism (7) includes a pressing plate (71), a first hinge seat (72) is provided on one side of the pressing plate (71), a first pin (73) is provided through the pressing plate (71) and the first hinge seat (72), a second hinge seat (74) is connected to the lower surface of the pressing plate (71) near the front and rear edges, a traction rod (75) is provided below the second hinge seat (74), a second pin (76) is provided through the top of the traction rod (75) and the second hinge seat (74), a rotating rod (77) is connected below the traction rod (75), a third pin (78) is provided through the bottom of the traction rod (75) and the rotating rod (77), and a fixed shaft (79) is provided through the end of the rotating rod (77) away from the traction rod (75).

2. The low-noise, environmentally friendly shredder according to claim 1, characterized in that: The box body (2) is cylindrical, and the central shaft (64) is coaxially arranged with the box body (2). The central shaft (64) is rotatably connected to the box body (2) via the second bearing (65). The top of the connecting plate (63) is connected to the feed hopper (61), and the bottom of the connecting plate (63) is connected to the central shaft (64).

3. The low-noise, environmentally friendly shredder according to claim 1, characterized in that: The sealing plate (62) is arc-shaped and is coaxially arranged with the box body (2). The width of the sealing plate (62) is greater than the width of the feed inlet (3).

4. The low-noise, environmentally friendly shredder according to claim 1, characterized in that: The rotating rod (77) is connected to the roller shaft (51) via a fixed shaft (79). The rotating rod (77) rotates synchronously with the crushing roller (5) around the axis of the roller shaft (51). The top of the traction rod (75) is rotatably connected to the second hinge seat (74) via a second pin (76). The bottom of the traction rod (75) is rotatably connected to the rotating rod (77) via a third pin (78).

5. The low-noise, environmentally friendly shredder according to claim 1, characterized in that: There are two pressure plates (71), which are installed above the two crushing rollers (5). One side of the pressure plate (71) is rotatably connected to the inner wall of the box (2) via the first pin (73) and the first hinge seat (72).

6. The low-noise, environmentally friendly shredder according to claim 1, characterized in that: There are two crushing rollers (5), which are arranged symmetrically on the left and right sides relative to the box (2). The crushing rollers (5) are connected to the side plate (53) via the connecting block (52). The roller shaft (51) and the rotating shaft (54) are coaxially arranged. The rotating shaft (54) is rotatably connected to the box (2) via the first bearing (55).

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