Chopping machine

Abstract

The utility model relates to a chopper which comprises a rack, a power device and a smashing box body, the power device and the smashing box body are arranged on the rack, a feeding port is formed in the upper portion of the smashing box body, a hopper is arranged on the outer side of the feeding port, a branch smashing cutter wheel is arranged on the inner side of the feeding port in the smashing box body, and the branch smashing cutter wheel is connected with the power device through a transmission mechanism. A crushing mechanism is further arranged on the lower portion in the crushing box body and below the branch crushing cutter wheel, the crushing mechanism is connected with a power device through a transmission mechanism, and a discharging opening is formed in the position, corresponding to the crushing mechanism, of the lower portion of the crushing box body; the power device drives the cutting mechanism and the smashing mechanism at the same time, garden branches and leaves or agricultural crop branches and leaves are firstly cut off, then smashed and finally discharged from the discharging port, cutting and smashing work is completed at a time, follow-up procedures can be omitted, and the garden branch and leaf smashing machine has the advantages of being reasonable in structure, efficient and rapid.

Description

Technical Field

[0001] The utility model relates to an agricultural machine, in particular to a shredder. Background Art

[0002] Branch shredders are widely used in the crushing process of garden branches and leaves, agricultural crop branches and leaves, and other organic matter. The crushed branches and leaves can be used as organic fertilizer, which greatly reduces the pollution caused by incineration. It has the characteristics of low investment, low energy consumption, high productivity and good economic benefits.

[0003] Previously, the applicant designed a branch shredder as disclosed in the utility model with announcement number CN210097874U, comprising a frame, on which a branch shredder mechanism and a power device are arranged, the power device drives the branch shredder mechanism to rotate, the branch shredder mechanism comprising an outer cover, a branch shredder wheel, a feed hopper and a discharge pipe, the branch shredder wheel comprising a cutter disc, at least one radial cutting edge axially penetrating the cutter disc is provided on the end face of the cutter disc, a blade is provided at the radial cutting edge, a plurality of blades are provided on the end face of the cutter disc, and the plurality of blades are symmetrically distributed about the rotating axis of the cutter disc; a feed port cooperating with the radial cutting edge is provided on the end face position of one side of the cutter disc corresponding to the outer cover, and the feed hopper is fixed at the feed port; a discharge port is provided on the outer cover at a position corresponding to the circumference of the cutter disc, and the discharge pipe is fixed at the discharge port; the cutting edge of the utility model is radially arranged on the cutter disc, and the radial size of the cutting edge is close to the radius of the cutter disc. When the size of the cutter disc is increased, the inertial cutting force is greater during rotation, thereby improving the branch shredding efficiency.

[0004] The above-mentioned shredder can only cut off garden branches and leaves and agricultural crop branches and leaves and cannot be directly used to make organic fertilizers. If used as organic fertilizers, they need to be crushed later. Utility Model Content

[0005] The utility model aims to provide a shredder, in which a power device drives a cutting mechanism and a crushing mechanism at the same time, so that garden branches and leaves or agricultural crop branches and leaves are first cut off, then crushed, and finally discharged from a discharge port, so that the cutting and crushing work are completed at one time, and subsequent processes can be omitted, and the utility model has the characteristics of reasonable structure, high efficiency and speed.

[0006] To achieve the above purpose, the following technical solutions are adopted:

[0007] A shredder comprises a frame, a power device and a shredding box, wherein the power device and the shredding box are arranged on the frame, a feed port is arranged on the upper part of the shredding box, a hopper is arranged on the outer side of the feed port, a shredding wheel is arranged on the inner side of the feed port in the shredding box, and the shredding wheel is connected to the power device through a transmission mechanism. The shredding machine is characterized in that a shredding mechanism is also arranged at the lower part of the shredding box below the shredding wheel, the shredding mechanism is connected to the power device through a transmission mechanism, and a discharge port is arranged at the lower part of the shredding box corresponding to the position of the shredding mechanism.

[0008] The feed inlet and the discharge inlet are located on both sides of the crushing box.

[0009] The transmission mechanism includes a transmission shaft, the branch shredder wheel is fixedly connected to one end of the transmission shaft, and the transmission shaft is connected to the output end of the power device through a transmission belt and a pulley; the crushing mechanism is connected to the output end of the reversing device through a transmission belt and a pulley, and the input end of the reversing device is connected to the transmission shaft through a transmission belt and a pulley.

[0010] The axial direction of the input end of the reversing device is perpendicular to the axial direction of the output end, and the axial direction of the input end of the reversing device is parallel to the transmission shaft.

[0011] The crushing mechanism comprises a crushing drum and a crushing fixed knife. The two ends of the crushing drum are pivotally connected to the side walls of the crushing box. The rotating shaft of the crushing drum is connected to the output end of the reversing device through a transmission belt or gear, and the crushing fixed knife is fixed to the inner wall of the crushing box.

[0012] The crushing drum comprises a plurality of roller cutters, each of which is arranged parallel to the rotating shaft, and has a toothed cutter head on the outer edge of the roller cutter, an axial blade is arranged between each roller cutter, and a plurality of cutters are distributed radially on the roller cutter, and a gap is left between the outer edge of the roller cutter and the crushing fixed cutter, and the cutter and the crushing fixed cutter are arranged in an offset manner.

[0013] A pulley is provided at one end of the pulverizing drum, and the rotating shaft of the pulverizing drum is arranged perpendicularly to the transmission shaft. The pulley at the end of the pulverizing drum is connected to the pulley at the output end of the reversing device through a transmission belt; a primary input pulley and a primary output pulley are coaxially fixed on the transmission shaft, the primary output pulley is connected to the pulley at the input end of the reversing device through a transmission belt, and the primary input pulley is connected to the driving pulley at the output end of the power device through a transmission belt.

[0014] The branch shredder wheel includes a cutter disc, on the end face of which at least one cutting edge axially passing through the cutter disc is provided, on which a radial cutting edge is provided, the radial cutting edge corresponding to the position of the feed port, and on the end face of the cutter disc facing away from the feed port are provided a plurality of fan blades, each fan blade being symmetrically distributed about the center of the axial hole of the cutter disc.

[0015] The shredder wheel comprises a rotating cutter, which has a plurality of centrally symmetrical cutters. A blade is arranged on one side of the cutter, and all or part of the cutters are folded outwardly relative to the other side of the blade to form air guide vanes. The air guide vanes are symmetrically distributed around the center of the rotating cutter.

[0016] The utility model further provides a crushing mechanism below the shredding knife wheel, which first cuts off garden branches or agricultural crop branches and leaves, and the branches and leaves after being cut fall into the crushing mechanism below the shredding knife wheel, and the crushing roller and the crushing fixed knife of the crushing mechanism cooperate with each other to grind and crush the cut branches and leaves, and finally discharge them from the discharge port; fan blades or air guide blades are provided on the shredding knife wheel, and air flow is generated when the shredding knife wheel rotates at a high speed, and the crushed branches and leaves are blown out of the discharge port through the air flow to avoid the crushed materials blocking the discharge port; the utility model completes the cutting and crushing work at one time, can save subsequent processes, and has the characteristics of reasonable structure, high efficiency and speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model (I);

[0018] Figure 2 This is a schematic diagram of the structure of the utility model (II);

[0019] Figure 3 This is a schematic diagram of the internal structure of the crushing box of the utility model (I);

[0020] Figure 4 This is a schematic diagram of the internal structure of the crushing box of the utility model (II);

[0021] Figure 5 This is a schematic diagram of the internal structure of the crushing box of the utility model (III);

[0022] Figure 6 This is a schematic diagram of the internal structure of the crushing box of the utility model (IV);

[0023] Figure 7 This is a schematic diagram of the structure of the rotary guillotine of the utility model (I);

[0024] Figure 8 This is a schematic diagram of the structure of the rotary guillotine of the utility model (II);

[0025] Fig. 9 This is a schematic diagram of the structure of the cutter head of the utility model (I);

[0026] Fig.10 This is a schematic diagram of the structure of the cutter disc of the utility model (II);

[0027] Fig.11 It is a structural schematic diagram of the crushing drum of the utility model. DETAILED DESCRIPTION

[0028] like Figure 1-11As shown, a shredder includes a frame 1, a power device 2 and a crushing box 3, the power device 2 and the crushing box 3 are arranged on the frame 1, a feed port 31 is arranged on the upper part of the crushing box 3, a hopper 4 is arranged on the outer side of the feed port 31, a shredding wheel 5 is arranged on the inner side of the feed port 31 in the crushing box 3, the shredding wheel 5 is connected to the power device 2 through a transmission mechanism, a crushing mechanism 6 is further arranged below the shredding wheel 5 in the lower part of the crushing box 3, the crushing mechanism 6 is connected to the power device 2 through a transmission mechanism, and a discharge port 32 is arranged at the lower part of the crushing box 3 corresponding to the position of the crushing mechanism 6; the feed port 31 and the discharge port 32 are distributed on both sides of the crushing box 3.

[0029] The transmission mechanism includes a transmission shaft 7, the shredder wheel 5 is fixedly connected to one end of the transmission shaft 7, and the transmission shaft 7 is connected to the output end of the power device 2 through a transmission belt and a pulley; the crushing mechanism 6 is connected to the output end of the reversing device 8 through a transmission belt 71 and a pulley 72, and the input end of the reversing device 8 is connected to the transmission shaft through a transmission belt 71 and a pulley 72; the axial direction of the input end of the reversing device 8 is perpendicular to the axial direction of the output end, and the axial direction of the input end of the reversing device is parallel to the transmission shaft 7.

[0030] The crushing mechanism 6 includes a crushing drum 61 and a crushing fixed knife 62. The two ends of the crushing drum 61 are pivotally connected to the side walls of the crushing box 3. The rotating shaft of the crushing drum 61 is connected to the output end of the reversing device 8 through a transmission belt 71 and a pulley 72, and the crushing fixed knife 62 is fixed on the inner wall of the crushing box 3; a pulley 72 is provided at one end of the crushing drum 61, and the rotating shaft 63 of the crushing drum 61 is vertically arranged with the transmission shaft 7. The pulley 72 at the end of the crushing drum 61 is connected to the pulley at the output end of the reversing device 8 through the transmission belt 71; a primary input pulley and a primary output pulley are coaxially fixed on the transmission shaft 7, and the primary output pulley is connected to the pulley 72 at the input end of the reversing device 8 through the transmission belt 71, and the primary input pulley is connected to the driving pulley at the output end of the power device 2 through the transmission belt 71.

[0031] The crushing drum 61 includes a plurality of roller cutters 611, each roller cutter 611 is arranged parallel to each other on the rotating shaft 63, a toothed cutter head 612 is provided on the outer edge of the roller cutter 611, an axial blade 613 is provided between each roller cutter 611, and a plurality of cutters 614 are distributed radially on the roller cutter 611, a gap is left between the outer edge of the roller cutter 611 and the crushing fixed cutter 62, and the cutter 614 is staggered with the crushing fixed cutter 62.

[0032] The utility model further provides a crushing mechanism below the shredding knife wheel. The shredding knife wheel first cuts off garden branches and leaves or agricultural crop branches and leaves, and the branches and leaves after being cut fall into the crushing mechanism below the shredding knife wheel. The crushing roller and the crushing fixed knife of the crushing mechanism cooperate with each other to grind and crush the cut branches and leaves, and finally discharge them from the discharge port.

[0033] In addition, the utility model adopts different shredder wheels 5 for different branches. For example, for garden branches and leaves, the shredder wheel 5 includes a cutter disc 51, and at least one cutting edge 52 axially penetrating the cutter disc is provided on the end face of the cutter disc 51, and a radial blade 53 is provided on the cutting edge, and the radial blade 53 corresponds to the position of the feed port 31. A plurality of fan blades 54 are arranged on the end face of the cutter disc away from the feed port, and the fan blades 54 are symmetrically distributed about the center of the axial hole of the cutter disc 51.

[0034] For the branches and leaves of agricultural crops, the shredder wheel 5 includes a rotating cutter, which has a plurality of centrally symmetrical cutters 55. A blade 56 is arranged on one side of the cutter 55. All or part of the cutter 55 is folded outwardly relative to the other side of the blade to form a guide vane 57. The guide vane 57 is symmetrically distributed around the axis hole of the rotating cutter.

[0035] The utility model arranges fan blades 54 or air guide blades 57 on the shredding blade wheel, and generates airflow from the fan blades 54 or air guide blades 57 when the shredding blade wheel rotates at a high speed, and a high-speed airflow is formed between the feed port and the discharge port, and the high-speed airflow blows the crushed branches and leaves out of the discharge port to avoid the crushed materials blocking the discharge port. The utility model completes the cutting and crushing work at one time, and can save subsequent processes, and has the characteristics of reasonable structure, high efficiency and speed.

Claims

1. A shredder, comprising a frame (1), a power device (2) and a shredding box (3), wherein the power device (2) and the shredding box (3) are arranged on the frame (1), a feed port (31) is arranged on the upper part of the shredding box (3), a hopper (4) is arranged outside the feed port (31), a shredding wheel (5) is arranged inside the shredding box (3) inside the feed port (31), and the shredding wheel (5) is connected to the power device (2) via a transmission mechanism, characterized in that: A crushing mechanism (6) is further provided in the lower part of the crushing box (3) below the branch crushing wheel (5); the crushing mechanism (6) is connected to the power device (2) via a transmission mechanism; and a discharge port (32) is provided in the lower part of the crushing box (3) at a position corresponding to the crushing mechanism (6); The pulverizing mechanism (6) comprises a pulverizing drum (61) and a pulverizing fixed knife (62), the two ends of the pulverizing drum (61) are pivotally connected to the side walls of the pulverizing box (3), the rotating shaft of the pulverizing drum (61) is connected to the output end of the reversing device (8) via a transmission belt (71) and a pulley (72), and the pulverizing fixed knife (62) is fixed to the inner wall of the pulverizing box (3); The pulverizing roller (61) comprises a plurality of roller cutters (611), each roller cutter (611) being arranged parallel to one another on a rotating shaft (63), a toothed cutter head (612) being provided on the outer edge of each roller cutter (611), an axial blade (613) being provided between each roller cutter (611), and a plurality of cutters (614) being distributed radially on the roller cutter (611), a gap being left between the outer edge of the roller cutter (611) and the pulverizing fixed cutter (62), and the cutter (614) and the pulverizing fixed cutter (62) being arranged in an offset manner.

2. A shredder according to claim 1, characterized in that: The feed port (31) and the discharge port (32) are distributed on both sides of the crushing box (3).

3. A shredder according to claim 2, characterized in that: The transmission mechanism comprises a transmission shaft (7), the shredder wheel (5) is fixedly connected to one end of the transmission shaft (7), and the transmission shaft (7) is connected to the output end of the power device (2) via a transmission belt and a pulley; the crushing mechanism (6) is connected to the output end of the reversing device (8) via a transmission belt (71) and a pulley (72), and the input end of the reversing device (8) is connected to the transmission shaft via a transmission belt (71) and a pulley (72).

4. A shredder according to claim 3, characterized in that: The axial direction of the input end of the reversing device (8) is perpendicular to the axial direction of the output end, and the axial direction of the input end of the reversing device is parallel to the transmission shaft (7).

5. A shredder according to claim 1, characterized in that: A pulley (72) is provided at one end of the pulverizing drum (61); the rotating shaft (63) of the pulverizing drum (61) is arranged perpendicular to the transmission shaft (7); the pulley (72) at the end of the pulverizing drum (61) is connected to the pulley at the output end of the reversing device (8) via a transmission belt (71); a primary input pulley and a primary output pulley are coaxially fixedly connected to the transmission shaft (7); the primary output pulley is connected to the pulley (72) at the input end of the reversing device (8) via a transmission belt (71); and the primary input pulley is connected to the drive pulley at the output end of the power device (2) via a transmission belt (71).

6. A shredder according to claim 1, characterized in that: The branch shredder wheel (5) comprises a cutter disc (51), at least one cutting edge (52) axially penetrating the cutter disc (51) is provided on the end surface of the cutter disc (51), a radial blade (53) is provided on the cutting edge, the radial blade (53) corresponds to the position of the feed port (31), and a plurality of fan blades (54) are provided on the end surface of the cutter disc facing away from the feed port, the fan blades (54) are symmetrically distributed about the center of the axial hole of the cutter disc (51).

7. A shredder according to claim 1, characterized in that: The shredder wheel (5) comprises a rotating cutter, which has a plurality of centrally symmetrical cutters (55). A blade (56) is provided on one side of the cutter (55), and all or part of the cutters (55) are folded outwardly relative to the other side of the blade to form air guide vanes (57). The air guide vanes (57) are symmetrically distributed around the center of the shaft hole of the rotating cutter.

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