Two-dimensional centrifugal shredding machine

Abstract

The utility model relates to the technical field of shredding machines, in particular to a two-dimensional centrifugal shredding machine which comprises a centrifugal barrel, a top cover is arranged at the top of the centrifugal barrel, a control cabinet is arranged on the left side of the centrifugal barrel, a base plate is arranged at the bottom of the control cabinet, a blocking plate is further arranged at the bottom of the centrifugal barrel, and a shredding assembly is arranged in the middle of the interior of the centrifugal barrel. The centrifugal barrel is combined with the control cabinet, the top cover with the feeding hopper is rotationally connected with the control cabinet through the hinged plate, the blocking plate with the baffle is combined with the centrifugal barrel, the processed vegetable shreds can be collected and matched in a concentrated mode, and under the cooperation of the base plate with the universal wheels, overall flexible movement and rotating matching of the rotating disc and the connecting ring are achieved; the motor provides power, the vegetables between the two rotating discs are subjected to scraping fit under the cooperation of the connecting rod, vegetable shredding machining cooperation is achieved through the cooperation of the shredding plates with the multiple shredding blades, and the machined vegetable shreds are discharged into the centrifugal barrel from the position between the two shredding plates.

Description

Technical Field

[0001] The utility model relates to the technical field of grating machines, in particular to a two-dimensional centrifugal grating machine. Background Art

[0002] The grater used in daily households is a metal plate with a grater blade. It is easy to hurt your hands and inconvenient to operate when grating vegetables with your hands. Moreover, this grater cannot collect vegetable shreds well, which is time-consuming and labor-intensive, inefficient, and not convenient for mass production in factories.

[0003] The utility model with the publication number CN217039871U discloses an easy-to-clean grater, comprising a vegetable collection bucket, a connecting frame and a pressure frame, the vegetable collection bucket is provided with a connecting protrusion and a connecting groove, the connecting frame is provided in the connecting groove, the connecting frame is provided with an annular slot and a clamping slot, a grater is provided in the clamping slot, a clamping block and a supporting column are provided on the grater, a pressure frame is provided in the annular slot, an annular protrusion and a limit block are provided on the pressure frame, an adding channel, a supporting cross bar, a screw hole and a screw are provided on the pressure frame, and a knob and a fixing cone are provided on the screw;

[0004] The above technical scheme facilitates the quick installation and disassembly of the vegetable collection bucket through the spiral fit between the connecting frame and the vegetable collection bucket, and is also convenient for timely taking out the grated vegetable shreds when in use; the grating knife and the connecting frame are fast installed and disassembled through the snap-fit ​​fit between the grating knife and the connecting frame, and is convenient for cleaning after use; the grating machine is also designed so that all parts are detachable, which is convenient for later cleaning and use. However, it is not convenient for continuous centrifugal grating of vegetables in large quantities, and the processed vegetable shreds are not convenient for centralized collection and discharge. The overall combined installation is not convenient enough, and it is not convenient to quickly guide the vegetables to be processed into the middle position of the centrifugal bucket, and the whole is not convenient for flexible movement and coordination. Utility Model Content

[0005] The purpose of the utility model is to provide a two-dimensional centrifugal grater to solve the problem that the grater with the authorization publication number CN217039871U proposed in the above-mentioned background technology is easy to clean, is not convenient for continuous and large-scale centrifugal grating of vegetables, is not convenient for centralized collection and discharge of processed vegetable shreds, is not convenient for overall assembly and installation, is not convenient for quickly guiding the vegetables to be processed into the middle position of the centrifugal barrel, and is not convenient for flexible movement and coordination as a whole.

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

[0007] A two-dimensional centrifugal grating machine comprises a centrifugal bucket, a top cover is provided on the top of the centrifugal bucket, a control cabinet is provided on the left side of the centrifugal bucket, a base plate is provided at the bottom of the control cabinet, a sealing plate is also provided at the bottom of the centrifugal bucket, a grating assembly is provided in the middle of the inside of the centrifugal bucket, the grating assembly comprises symmetrical connecting rings, a plurality of fixed plates are provided between the two connecting rings, a plurality of support rods are provided on the outer wall of the connecting ring at the bottom, a grating plate is provided on the inner wall of the fixed plate, a rotating assembly is provided in the middle of the grating assembly, the rotating assembly comprises symmetrical rotating disks, a through groove is provided in the middle of the rotating disks at the top, a plurality of connecting rods are provided near the edge between the two rotating disks, and a motor is also provided under the rotating disk at the bottom, and the motor is installed at the bottom of the corresponding connecting ring.

[0008] Preferably, a feed hopper is embedded in the upper surface of the top cover, and a hinge plate is provided between the side wall of the feed hopper and the upper surface of the top cover. The bottom of the hinge plate is welded and fixed to the top cover, and the side wall of the hinge plate is welded and fixed to the feed hopper. A rotating shaft seat is provided at the upper surface of the control cabinet corresponding to the top of the hinge plate, and the top of the hinge plate is rotatably connected to the rotating shaft seat.

[0009] In the utility model, the provision of a feed hopper is helpful for continuous vegetable guiding and guiding the added vegetables to the center position of the corresponding rotating component. With the cooperation of the hinge plate and the rotating shaft seat, the top cover and the control cabinet can be rotated together, and a handle is also provided on the side of the top cover away from the hinge plate. With the cooperation of the handle, the top cover can be easily flipped open.

[0010] Preferably, a control panel is further provided on the front end surface of the control cabinet, control buttons are correspondingly provided on the control panel, and the bottom of the control cabinet is welded and fixed to the base plate.

[0011] In the utility model, a control panel is provided to help manually start the coordination of the components that need to be processed as a whole, and start the motor operation by cooperating with the corresponding control buttons, thereby realizing the corresponding vegetable shreds production.

[0012] Preferably, the base plate is U-shaped, and universal wheels are provided on the lower surface of the base plate near the four corners, and the tops of the universal wheels are fixedly connected to the base plate by screws.

[0013] In the utility model, the universal wheels are provided to facilitate the flexible movement and coordination of the whole.

[0014] Preferably, the centrifugal bucket is welded and fixed to the support plate on the control cabinet, the top of the sealing plate is provided with an opening, and the opening is communicated with the inside of the centrifugal bucket, the right end surface of the sealing plate is provided with a slot, a baffle is provided in the slot, and a handle is provided on the outer wall of the baffle.

[0015] In the utility model, a baffle is arranged to be plugged into the slot to achieve sealing of the opening, thereby sealing the bottom of the centrifugal barrel, thereby achieving centralized collection of vegetable shreds and facilitating centralized discharge. With the cooperation of the pull handle, it is convenient to manually open the baffle to discharge the corresponding vegetable shreds.

[0016] Preferably, the support rods are distributed in a circular shape with equal intervals, and one end of the support rods is welded and fixed to the connecting ring at the bottom, the other end of the support rods is welded and fixed to the centrifugal barrel, and both ends of the fixed plate are respectively welded and fixed to the connecting rings, the length of the wire grating plate is adapted to the length of the fixed plate, a plurality of wire grating blades are provided on the inner side of the wire grating plate, the wire grating blades are welded and fixed to the wire grating plate, the wire grating plate is symmetrically provided with screw holes, the screw holes are provided with fixing bolts, and the fixed plate is provided with through holes corresponding to the screw holes.

[0017] In the utility model, with the cooperation of the support rod, the connecting ring and the centrifugal barrel are combined and installed, and with the cooperation of multiple fixed plates, the two connecting rings are combined and connected, and the multiple grating plates are respectively connected to the corresponding fixed plates. With the cooperation of multiple grating blades, it is helpful to grate the internal vegetables. The fixing bolt passes through the through hole and is threadedly connected to the screw hole. The fixing bolt is easy to disassemble and cooperate, so that the grating plate can be quickly disassembled and replaced.

[0018] Preferably, the outer diameter of the rotating disk is matched with the inner diameter of the connecting ring, the connecting rods are distributed in a ring shape with equal intervals, the motor is fixedly connected to the connecting ring at the bottom by screws, and the output shaft of the motor passes through the connecting ring and is coaxially connected to one of the central axes of the rotating disks, and the top of the through groove is correspondingly connected to the bottom of the feed hopper.

[0019] In the utility model, the motor is electrically connected to the processor on the control panel through a wire, which helps to realize the rotation of the rotating disk through the output shaft of the motor. With the cooperation of multiple connecting rods, the vegetables between the two rotating disks are scraped and the vegetables are grated under the action of centrifugal force. The through groove helps to guide the vegetables entering from the feed hopper to the center position of the rotating component, which helps to continuously carry out the production of vegetable grating.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. The utility model arranges a centrifugal barrel and a control cabinet combination. A top cover with a feed hopper is rotatably connected to the control cabinet through a hinged plate. A sealing plate with a baffle is arranged in combination with the centrifugal barrel, which is helpful for collecting and coordinating the processed vegetable shreds. With the cooperation of a base plate with universal wheels, the overall flexible movement is achieved. The rotating disk and the connecting ring rotate in coordination. The motor provides power and, with the cooperation of a connecting rod, the vegetables between the two rotating disks are scraped and coordinated. With the cooperation of a grating plate with multiple grating blades, vegetable grating processing is achieved. The processed vegetable shreds are discharged into the centrifugal barrel from between the two grating plates.

[0022] 2. The utility model provides a control panel with control buttons to facilitate manual start-up and adjustment of the motor. The top cover rotates with the rotating shaft seat through a hinge plate to achieve rapid opening and closing of the feed hopper, which is convenient for cleaning the inside of the centrifuge barrel. The fixing bolt is easy to disassemble to achieve rapid replacement or maintenance of the grating plate with grating blades. The pull handle helps to open the baffle to achieve centralized discharge of collected vegetables. The handle facilitates manual opening or closing of the top cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall combined structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the top cover opening structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the combined structure of the control cabinet and the base plate of the utility model;

[0026] Figure 4 This is a schematic diagram of the combined structure of the top cover and the feed hopper of the utility model;

[0027] Figure 5 This is a schematic diagram of the centrifugal barrel and the sealing plate structure of the utility model;

[0028] Figure 6 This is a schematic diagram of the combined structure of the centrifugal barrel, the grating assembly and the rotating assembly of the utility model;

[0029] Figure 7 This is a schematic diagram of the structure of the grating assembly of the utility model;

[0030] Figure 8 It is a schematic diagram of the structure of the rotating assembly of the utility model.

[0031] The meaning of each number in the figure is:

[0032] 1. Centrifugal barrel;

[0033] 2. Top cover; 20. Feed hopper; 21. Hinge plate; 22. Handle;

[0034] 3. Control cabinet; 30. Shaft seat; 31. Control panel;

[0035] 4. blocking plate; 40. slot; 41. baffle; 410. handle;

[0036] 5. Base plate; 50. Universal wheel;

[0037] 6. grating assembly; 60. connecting ring; 600. supporting rod; 61. fixing plate; 610. perforation; 62. grating plate; 620. grating blade; 621. screw hole; 622. fixing bolt;

[0038] 7. Rotating assembly; 70. Rotating disk; 700. Through slot; 71. Connecting rod; 72. Motor. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0043] See also Figure 1-Figure 8 , this embodiment provides a technical solution:

[0044] A two-dimensional centrifugal grating machine comprises a centrifugal barrel 1, a top cover 2 is provided on the top of the centrifugal barrel 1, a control cabinet 3 is provided on the left side of the centrifugal barrel 1, a base plate 5 is provided at the bottom of the control cabinet 3, a sealing plate 4 is also provided at the bottom of the centrifugal barrel 1, and a grating assembly 6 is provided in the middle of the inside of the centrifugal barrel 1. The grating assembly 6 comprises a symmetrical connecting ring 60, a plurality of fixing plates 61 are provided between the two connecting rings 60, a plurality of supporting rods 600 are provided on the outer wall of the connecting ring 60 at the bottom, and a grating plate 62 is provided on the inner wall of the fixing plate 61. A rotating assembly 7 is provided in the middle of the grating assembly 6, and the rotating assembly 7 comprises a symmetrical rotating disk 70, wherein a through groove 700 is provided in the middle of the rotating disk 70 at the top, a plurality of connecting rods 71 ​​are provided near the edge between the two rotating disks 70, and a motor 72 is also provided below the rotating disk 70 at the bottom, and the motor 72 is installed at the bottom of the corresponding connecting ring 60.

[0045] In this embodiment, a feed hopper 20 is embedded in the upper surface of the top cover 2, and a hinge plate 21 is also provided between the side wall of the feed hopper 20 and the upper surface of the top cover 2. The bottom of the hinge plate 21 is welded and fixed to the top cover 2, and the side wall of the hinge plate 21 is welded and fixed to the feed hopper 20. A rotating shaft seat 30 is provided on the upper surface of the control cabinet 3 corresponding to the top of the hinge plate 21, and the top of the hinge plate 21 is rotatably connected to the rotating shaft seat 30.

[0046] In the utility model, the provision of a feed hopper 20 is helpful for continuous vegetable guiding and guiding the added vegetables to the center position of the corresponding rotating component 7. With the cooperation of the hinge plate 21 and the rotating shaft seat 30, the top cover 2 and the control cabinet 3 are rotated together, and a handle 22 is provided on the side of the top cover 2 away from the hinge plate 21. With the cooperation of the handle 22, the top cover 2 is convenient to flip open and cooperate.

[0047] Furthermore, a control panel 31 is provided on the front end surface of the control cabinet 3 , and control buttons are correspondingly provided on the control panel 31 . The bottom of the control cabinet 3 is welded and fixed to the base plate 5 .

[0048] In the utility model, the control panel 31 is provided to help manually start the coordination of the components that need to be processed as a whole, and start the motor 72 in coordination with the corresponding control buttons, thereby realizing the corresponding vegetable shreds production.

[0049] Specifically, the base plate 5 is U-shaped, and universal wheels 50 are provided on the lower surface of the base plate 5 near the four corners, and the tops of the universal wheels 50 are fixedly connected to the base plate 5 by screws.

[0050] In the present invention, the provision of the universal wheel 50 facilitates the flexible movement and coordination of the whole.

[0051] It should be noted that the centrifugal bucket 1 is welded and fixed to the support plate on the control cabinet 3, an opening is provided on the top of the sealing plate 4, and the opening is connected to the inside of the centrifugal bucket 1, a slot 40 is provided on the right end face of the sealing plate 4, a baffle 41 is provided in the slot 40, and a handle 410 is provided on the outer wall of the baffle 41.

[0052] In the utility model, a baffle 41 is provided to be plugged into and cooperate with the slot 40 to achieve sealing of the opening, thereby sealing the bottom of the centrifugal barrel 1, thereby achieving centralized collection of vegetable shreds and facilitating centralized discharge. With the cooperation of the pull handle 410, it is convenient to manually open the baffle 41 to discharge the corresponding vegetable shreds.

[0053] Furthermore, the support rods 600 are distributed in a circular shape with equal intervals, and one end of the support rods 600 is welded and fixed to the connecting ring 60 at the bottom, the other end of the support rods 600 is welded and fixed to the centrifugal barrel 1, and both ends of the fixed plate 61 are respectively welded and fixed to the connecting ring 60. The length of the grating plate 62 is adapted to the length of the fixed plate 61, and a plurality of grating blades 620 are provided on the inner side surface of the grating plate 62. The grating blades 620 are welded and fixed to the grating plate 62, and screw holes 621 are symmetrically opened on the grating plate 62, and fixing bolts 622 are provided in the screw holes 621, and through holes 610 are opened on the fixed plate 61 at positions corresponding to the screw holes 621.

[0054] In the utility model, with the cooperation of the support rod 600, the connecting ring 60 and the centrifugal barrel 1 are combined and installed, and with the cooperation of multiple fixed plates 61, the two connecting rings 60 are combined and connected, and the multiple grating plates 62 are respectively connected to the corresponding fixed plates 61. With the cooperation of multiple grating blades 620, it is helpful to grate the internal vegetables. The fixing bolt 622 passes through the through hole 610 and is threadedly connected to the screw hole 621. The fixing bolt 622 is easy to disassemble and cooperate, so that the grating plate 62 can be quickly disassembled and replaced.

[0055] Secondly, the outer diameter of the rotating disk 70 is adapted to the inner diameter of the connecting ring 60, the connecting rods 71 ​​are distributed in a ring shape with equal intervals, the motor 72 is fixedly connected to the connecting ring 60 at the bottom by screws, and the output shaft of the motor 72 passes through the connecting ring 60 and is coaxially connected to the central axis of one of the rotating disks 70, and the top of the through groove 700 is correspondingly connected to the bottom of the feed hopper 20.

[0056] In the utility model, the motor 72 is electrically connected to the processor on the control panel 31 through a wire, which helps to realize the rotation of the rotating disk 70 through the output shaft of the motor 72. With the cooperation of multiple connecting rods 71, the vegetables between the two rotating disks 70 are scraped and the vegetables are grated under the action of centrifugal force. The through groove 700 helps to guide the vegetables entering from the feed hopper 20 to the center position of the rotating component 7, which helps to continuously carry out the production of grated vegetables.

[0057] When the two-dimensional centrifugal grater of this embodiment is in use, the user installs the grating plate 62 with the grating blade 620 on the fixed plate 61 and fixes the position by the fixing bolt 622. The connecting ring 60 at the bottom is fixed to the centrifugal bucket 1 by a plurality of supporting rods 600. Then, the two rotating disks 70 are combined by a plurality of connecting rods 71, and the rotating disk 70 is inserted in the middle of the connecting ring 60. The motor 72 is installed on the bottom connecting ring 60, and the output shaft of the motor 72 is combined and connected to the rotating disk 70 at the bottom. Then, the centrifugal bucket 1 is assembled with the control cabinet 3, and the top cover 2 with the feed hopper 20 is connected to the control cabinet 3 by the hinged plate 21. The rotating shaft seat 30 on the cabinet 3 rotates and cooperates, the control panel 31 with control buttons is combined and fixed with the control cabinet 3, and finally the base plate 5 with universal wheels 50 is combined and connected with the control cabinet 3. The overall combination is easy to install and convenient to move and cooperate flexibly. The fixing bolt 622 can be disassembled and replaced, which is helpful for replacing the grating plate 62. When it is necessary to continuously add vegetables, materials are continuously added from the feed hopper 20. The baffle 41 is plugged into the slot 40 to collect the processed vegetables inside the centrifugal barrel 1. When the processed vegetables need to be discharged, the handle 410 is pulled to open the baffle 41, and the materials are discharged from the opening of the sealing plate 4.

[0058] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A two-dimensional centrifugal grater, comprising a centrifugal bucket (1), a top cover (2) being provided on the top of the centrifugal bucket (1), a control cabinet (3) being provided on the left side of the centrifugal bucket (1), a base plate (5) being provided at the bottom of the control cabinet (3), and a blocking plate (4) being provided at the bottom of the centrifugal bucket (1), characterized in that: A grating assembly (6) is provided in the middle of the centrifugal barrel (1), and the grating assembly (6) comprises symmetrical connecting rings (60), a plurality of fixing plates (61) are provided between two connecting rings (60), a plurality of supporting rods (600) are provided on the outer wall of the connecting ring (60) at the bottom, and a grating plate (62) is provided on the inner wall of each fixing plate (61), and a rotating assembly (7) is provided in the middle of the grating assembly (6), and the rotating assembly (7) comprises symmetrical rotating disks (70), wherein a through groove (700) is provided in the middle of the rotating disk (70) at the top, a plurality of connecting rods (71) are provided near the edge between the two rotating disks (70), and a motor (72) is also provided below the rotating disk (70) at the bottom, and the motor (72) is installed at the bottom of the corresponding connecting ring (60).

2. The two-dimensional centrifugal grater according to claim 1, characterized in that: A feed hopper (20) is embedded in the upper surface of the top cover (2), and a hinged plate (21) is also provided between the side wall of the feed hopper (20) and the upper surface of the top cover (2). The bottom of the hinged plate (21) is welded and fixed to the top cover (2), and the side wall of the hinged plate (21) is welded and fixed to the feed hopper (20). A rotating shaft seat (30) is provided at a position corresponding to the top of the hinged plate (21) on the upper surface of the control cabinet (3), and the top of the hinged plate (21) is rotatably connected to the rotating shaft seat (30).

3. The two-dimensional centrifugal grater according to claim 2, characterized in that: A control panel (31) is also provided on the front end surface of the control cabinet (3), and control buttons are correspondingly provided on the control panel (31). The bottom of the control cabinet (3) is welded and fixed to the base plate (5).

4. The two-dimensional centrifugal grater according to claim 3, characterized in that: The base plate (5) is U-shaped, and universal wheels (50) are provided on the lower surface of the base plate (5) near the four corners, and the top of the universal wheel (50) is fixedly connected to the base plate (5) by screws.

5. The two-dimensional centrifugal grater according to claim 1, characterized in that: The centrifugal bucket (1) is welded and fixed to a support plate on a control cabinet (3) in correspondence, an opening is provided on the top of the sealing plate (4), and the opening is communicated with the interior of the centrifugal bucket (1), a slot (40) is provided on the right end surface of the sealing plate (4), a baffle (41) is provided in the slot (40), and a handle (410) is provided on the outer wall of the baffle (41).

6. The two-dimensional centrifugal grater according to claim 1, characterized in that: The support rods (600) are distributed in a circular shape with equal intervals, and one end of the support rods (600) is welded and fixed to the connecting ring (60) at the bottom, and the other end of the support rods (600) is welded and fixed to the centrifugal barrel (1). The two ends of the fixing plate (61) are respectively welded and fixed to the connecting ring (60). The length of the grating plate (62) is adapted to the length of the fixing plate (61). A plurality of grating blades (620) are provided on the inner side surface of the grating plate (62). The grating blades (620) are welded and fixed to the grating plate (62). The grating plate (62) is symmetrically provided with screw holes (621), and fixing bolts (622) are provided in the screw holes (621). The fixing plate (61) is provided with through holes (610) at positions corresponding to the screw holes (621).

7. The two-dimensional centrifugal grater according to claim 1, characterized in that: The outer diameter of the rotating disk (70) is matched with the inner diameter of the connecting ring (60), the connecting rods (71) are distributed in a ring shape with equal spacing, the motor (72) is fixedly connected to the connecting ring (60) at the bottom by screws, and the output shaft of the motor (72) passes through the connecting ring (60) and is coaxially connected to the central axis of one of the rotating disks (70), and the top of the through groove (700) is correspondingly connected to the bottom of the feed hopper (20).

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