Large particle feed spreader

Abstract

The present invention provides a large-particle feed scattering machine, which relates to the technical field of feed scattering equipment, including: a support frame, a scattering box, a driving blast frame, a supporting and fixing frame, a feed hopper, a servo motor, a driving shaft and a scattering and spraying air box; the scattering box is fixedly installed on the upper end of the support frame; the feed hopper is fixedly docked on the upper end of the scattering box; a supporting and fixing frame is provided between the feed hopper and the scattering box; a servo motor is provided in the middle of the lower end of the scattering box; and a driving blast frame is fixedly installed on the support frame below the scattering box. The present invention sprays wind into the scattering pipe through the spray pipe, further pushing the feed to be scattered to a farther place. Under the joint action of wind force and the scattering fan, the scattered feed can cover a wider area, realize uniform scattering, significantly increase the scattering distance of the feed, and enable the feed to cover a farther area.

Description

Technical Field

[0001] The invention relates to the technical field of feed scattering equipment, in particular to a large-particle feed scattering machine. Background Art

[0002] In the breeding industry, the use of feed spreaders is of great significance for improving feed utilization, reducing breeding costs and improving breeding benefits. However, traditional feed spreaders have some problems in actual use, such as poor feed feeding, uneven spreading, and limited spreading distance. These problems not only affect the use effect of feed, but also increase the workload of breeders. Summary of the invention

[0003] The present invention relates to a large-particle feed scattering machine, which sprays wind into the scattering pipe through a spray pipe, a blower generates wind force under the drive of a servo motor, and sends wind into a connecting air pipe through an air outlet pipe, the connecting air pipe sends wind into an inner cavity of a scattering spray air box respectively, and sprays wind into corresponding scattering pipes through independent spray pipes, the spray pipe sprays wind toward a pipe mouth of the scattering pipe along a direction of an air flow guide groove, thereby increasing the scattering distance and range of the feed, when the feed is thrown up by a scattering fan, it is influenced by the oblique outward and upward inclined structure of the scattering pipe, and the feed is guided to be scattered in a specific direction, and at the same time, the scattering spray air box sprays wind into the scattering pipe through the spray pipe, thereby further pushing the feed to be scattered to a farther place, and the scattered feed can cover a wider area and achieve uniform scattering under the joint action of the wind force and the scattering fan, thereby significantly increasing the scattering distance of the feed, and enabling the feed to cover a farther area.

[0004] The present invention provides a large-particle feed scattering machine, which specifically includes: a support frame, a scattering box, a driving air blowing frame, a supporting and fixing frame, a feed hopper, a servo motor, a driving shaft and a scattering injection air box; the scattering box is fixedly installed on the upper end of the support frame; the feed hopper is fixedly connected to the upper end of the scattering box; a supporting and fixing frame is provided between the feed hopper and the scattering box; a servo motor is provided at the middle part of the lower end of the scattering box; the driving air blowing frame is fixedly installed on the support frame below the scattering box; the driving shaft is rotatably installed between the feed hopper and the middle part of the inner cavity of the scattering box, and the lower end of the driving shaft passes through the scattering box and is fixedly connected to the rotating shaft of the servo motor through a coupling; the scattering injection air box is distributed in an annular manner at the lower end position of the outer wall of the scattering box.

[0005] Optionally, the scatter box is a six-sided truncated cone structure that is narrow at the top and wide at the bottom, and the six side walls of the scatter box are vertically connected to scatter pipes at positions near the lower end, and the scatter pipes are inclined obliquely outward and upward, and the inner ends of the scatter pipes are connected to the bottom of the inner cavity of the scatter box;

[0006] An airflow guide groove is provided in the center of the bottom of the inner cavity of the spreading pipe toward the pipe opening.

[0007] Optionally, a blower is fixedly installed on the driving blower frame, the middle part of the lower end of the blower is an air inlet, one side of the blower is an air outlet pipe, the air outlet pipe is vertically arranged upward, and the upper end of the rotating shaft on the blower wheel in the inner cavity of the blower is connected to the rotating shaft of the servo motor through a belt rotation.

[0008] Optionally, the supporting and fixing frame is a "M"-shaped structure, and upper support rods are vertically fixed upward at the upper ends of the six corners of the supporting and fixing frame, and the upper ends of the upper support rods are fixedly connected to the outer wall of the feed hopper, and a controller is fixed on the outer wall of one of the upper support rods, and lower support rods are vertically fixed downward at the lower ends of the six corners of the supporting and fixing frame, and the lower ends of the lower support rods are fixedly connected to the corresponding upper ends of the throwing pipes.

[0009] Optionally, the feed hopper is a funnel-shaped structure that is wide at the top and narrow at the bottom, and a wind speed and direction detector is provided at the upper end of the feed hopper.

[0010] Optionally, a scattering fan is fixedly installed at a position of the driving shaft corresponding to the bottom of the inner cavity of the scattering box, and the scattering fan is a fan-shaped structure composed of six blades, the bottom of the scattering fan is tangent to the bottom of the inner cavity of the scattering box, and the middle part of the scattering fan is a conical structure that is narrow at the top and wide at the bottom;

[0011] A spiral feeding cage is fixed on the driving shaft at the upper end of the spreading fan, the upper half of which is built into the feed hopper, and the ring edge of the feeding cage is tangent to the side wall of the inner cavity where the feed hopper and the spreading box are connected;

[0012] An upper narrow material dividing cone is fixedly provided at the uppermost end of the driving shaft, and six vertical shifting rods are distributed in an annular manner on the conical surface of the material dividing cone, and a spherical ball head is fixedly connected to the end of the shifting rod.

[0013] Optionally, a spray pipe is connected to the position of the scattering spray air box corresponding to the scattering pipe, and the spray pipe extends to the bottom of the inner cavity of the scattering pipe and along the airflow guide groove toward the pipe opening of the scattering pipe;

[0014] One end of the scattering spray air box is connected to six connecting air pipes, the other end of the connecting air pipe is connected to the upper end of the air outlet pipe, and the ends of the six connecting air pipes connected to the inner cavity of the scattering spray air box extend into the inner cavity of the scattering spray air box and are connected to independent spray pipes.

[0015] The present invention provides a large-particle feed scattering machine, which has the following beneficial effects:

[0016] 1. The design of the funnel-shaped feed hopper with a width on the top and a narrowness on the bottom in the present invention allows the feed to flow downward naturally and smoothly, reducing blockage. The provision of the upper narrow dividing cone and the annular distribution lever ensures the uniform distribution of the feed in the inner cavity of the scattering box. The feed is evenly distributed to multiple areas of the inner cavity of the scattering box by the movement of the annular distribution lever of the upper narrow dividing cone, ensuring the uniformity of the feed distribution. At the same time, the lever and the ball head can stir the feed and loose feed while following the rotation of the driving shaft, and can also prevent the feed from hanging on the wall and bridging in the feed hopper, thereby ensuring the feed discharge efficiency and avoiding local accumulation. The rotating stirring action of the lever and the ball head effectively prevents the feed from hanging on the wall and bridging in the feed hopper, thereby improving the feed discharge efficiency.

[0017] 2. The six-blade structure of the scattering fan in the present invention ensures that the feed can be scattered evenly in all directions with a wide coverage. The tangent design between the scattering fan and the bottom of the inner cavity of the scattering box enables the feed to be effectively thrown up from the bottom, further expanding the scattering range.

[0018] 3. The blower and the scattering spray air box in the present invention are used in combination to spray air into the scattering pipe through the spray pipe. The blower generates wind driven by the servo motor and sends the wind into the connecting air pipe through the air outlet pipe. The connecting air pipe sends the wind into the inner cavity of the scattering spray air box respectively, and sprays the wind into the corresponding scattering pipe through the independent spray pipe. The spray pipe sprays wind toward the pipe mouth of the scattering pipe along the direction of the airflow guide groove, thereby increasing the scattering distance and range of the feed. When the feed is thrown up by the scattering fan, it is influenced by the oblique outward and upward inclined structure of the scattering pipe, and the feed is guided to be scattered in a specific direction. At the same time, the scattering spray air box sprays wind into the scattering pipe through the spray pipe, thereby further promoting the feed to be scattered to a farther place. Under the joint action of wind force and the scattering fan, the scattered feed can cover a wider area and achieve uniform scattering, which significantly increases the scattering distance of the feed and enables the feed to cover a farther area.

[0019] 4. The oblique outward and upward inclined structure of the spreading pipe in the present invention can adjust the spreading direction as needed to achieve precise spreading in a specific area.

[0020] 5. The servo motor in the present invention drives the spreading fan and the blower simultaneously, realizing the synchronous operation of feed spreading and wind assistance, and greatly improving the spreading efficiency.

[0021] 6. In the present invention, a wind speed and direction detector is provided at the upper end of the feed hopper. Since the feed hopper is a funnel-shaped structure that is wide at the top and narrow at the bottom, the feed can flow smoothly downward, and the wind speed and direction detector can detect the wind force and transmit the information to the controller for processing. The controller is electrically connected to the servo motor. When the wind force is strong, the speed of the servo motor increases, and the synchronous speeds of the spreading fan and the blower increase, so that the feed can obtain a greater spreading force when passing through the spreading pipe, so that the spreading area can be guaranteed even when the wind force is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0023] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0024] In the attached picture:

[0025] Figure 1 A schematic diagram of the first axial view of the present invention is shown;

[0026] Figure 2 A second axial structural schematic diagram of the present invention is shown;

[0027] Figure 3 A schematic diagram of the top view of the structure of the present invention is shown;

[0028] Figure 4 It shows a schematic diagram of the axial structure of the feed hopper and the scattering box of the present invention in a partially half-cut and separated state;

[0029] Figure 5 The present invention shows Figure 4 A is a schematic diagram of the structure of the enlarged part;

[0030] Figure 6 It shows a schematic diagram of the axial structure of the feed hopper of the present invention in a partially removed state;

[0031] Figure 7 It shows a schematic diagram of the structure of the scatter box of the present invention in an axial view in a removed state;

[0032] Figure 8 The schematic diagram of the axial structure of the present invention when the scatter box is removed is shown.

[0033] Reference numerals list

[0034] 1. Support frame;

[0035] 2. scattering box; 201. scattering pipe; 202. air flow guide groove;

[0036] 3. Driving blower frame; 301. Blower; 302. Air inlet; 303. Air outlet pipe; 304. Belt;

[0037] 4. Supporting bracket; 401. Upper support rod; 402. Lower support rod; 403. Controller;

[0038] 5. Feed hopper; 501. Wind speed and direction detector;

[0039] 6. Servo motor;

[0040] 7. Driving shaft; 701. Spreading fan; 702. Unloading cage; 703. Distributing cone; 704. Push rod; 705. Ball head;

[0041] 8. Spreading spray air box; 801. Spray pipe; 802. Connecting air pipe. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] Example 1: Please refer to Figures 1 to 8 :

[0044] The present invention proposes a large-particle feed scattering machine, comprising: a support frame 1, a scattering box 2, a driving blast frame 3, a supporting and fixing frame 4, a feed hopper 5, a servo motor 6, a driving shaft 7 and a scattering injection air box 8; the scattering box 2 is fixedly installed on the upper end of the support frame 1; the feed hopper 5 is fixedly connected to the upper end of the scattering box 2; a supporting and fixing frame 4 is provided between the feed hopper 5 and the scattering box 2; a servo motor 6 is provided at the middle part of the lower end of the scattering box 2; the driving blast frame 3 is fixedly installed on the support frame 1 below the scattering box 2; the driving shaft 7 is rotatably installed between the feed hopper 5 and the middle part of the inner cavity of the scattering box 2, and the lower end of the driving shaft 7 passes through the scattering box 2 and is fixedly connected to the rotating shaft of the servo motor 6 through a coupling; the scattering injection air box 8 is distributed in an annular manner at the lower end position of the outer wall of the scattering box 2.

[0045] The scatter box 2 is a six-sided truncated cone structure that is narrow at the top and wide at the bottom. The six side walls of the scatter box 2 are vertically connected to scatter pipes 201 near the lower end. The scatter pipes 201 are inclined obliquely outward and upward, and the inner ends of the scatter pipes 201 are connected to the bottom of the inner cavity of the scatter box 2.

[0046] An airflow guide groove 202 is provided at the center of the bottom of the inner cavity of the spreading pipe 201 toward the pipe opening.

[0047] Among them, a blower 301 is fixedly installed on the driving blower frame 3, the middle part of the lower end of the blower 301 is an air inlet 302, one side of the blower 301 is an air outlet pipe 303, the air outlet pipe 303 is vertically arranged upward, and the upper end of the rotating shaft on the blower wheel in the inner cavity of the blower 301 is rotatably connected to the rotating shaft of the servo motor 6 through a belt 304.

[0048] Among them, the supporting and fixing frame 4 is a "M"-shaped structure, and upper support rods 401 are respectively fixed vertically upward at the upper ends of the six corners of the supporting and fixing frame 4, and the upper ends of the upper support rods 401 are fixedly connected to the outer wall of the feed hopper 5. A controller 403 is fixed on the outer wall of one of the upper support rods 401, and lower support rods 402 are respectively fixed vertically downward at the lower ends of the six corners of the supporting and fixing frame 4, and the lower ends of the lower support rods 402 are fixedly connected to the corresponding upper ends of the throwing pipes 201.

[0049] Among them, the feed hopper 5 is a funnel-shaped structure that is wide at the top and narrow at the bottom. A wind speed and direction detector 501 is provided at the upper end of the feed hopper 5. Since the feed hopper 5 is a funnel-shaped structure that is wide at the top and narrow at the bottom, the feed can flow smoothly downward, and the wind speed and direction detector 501 can detect the wind force and transmit the information to the controller 403 for processing. The controller 403 is electrically connected to the servo motor 6. When the wind force is strong, the speed of the servo motor 6 increases, and the speeds of the scattering fan 701 and the blower 301 increase synchronously, so that the feed can obtain a greater scattering force when passing through the scattering pipe 201, so that the scattering area can be guaranteed even when the wind force is strong.

[0050] Among them, a scattering fan 701 is fixedly installed at the position of the driving shaft 7 corresponding to the bottom of the inner cavity of the scattering box 2. The scattering fan 701 is a fan-shaped structure composed of six blades. The bottom of the scattering fan 701 is tangent to the bottom of the inner cavity of the scattering box 2. The middle part of the scattering fan 701 is a conical structure with a narrow top and a wide bottom. The servo motor 6 drives the driving shaft 7 to rotate, thereby driving the scattering fan 701 to rotate. The bottom of the scattering fan 701 is tangent to the bottom of the inner cavity of the scattering box 2, which can effectively throw the feed from the bottom. The six-blade structure of the scattering fan 701 can evenly scatter the feed in all directions, ensuring the uniformity and range of feed scattering;

[0051] A spiral feeding cage 702 is fixedly provided on the driving shaft 7 at the upper end of the spreading fan 701. The upper half of the feeding cage 702 is built into the feed hopper 5. The ring edge of the feeding cage 702 is tangent to the side wall of the inner cavity where the feed hopper 5 and the spreading box 2 are connected. The feed is evenly distributed to multiple areas of the inner cavity of the spreading box 2 by the movement of the annular distribution lever 704 of the upper narrow dividing cone 703, ensuring the uniformity of feed distribution. At the same time, the lever 704 and the ball head 705 can stir the feed and loose feed while avoiding the feed from hanging on the wall and bridging in the feed hopper 5 during the process of following the rotation of the driving shaft 7, thereby ensuring the feed feeding efficiency.

[0052] An upper narrow material distribution cone 703 is fixedly provided at the uppermost end of the driving shaft 7, and six vertical levers 704 are distributed in a ring on the conical surface of the material distribution cone 703. A spherical ball head 705 is fixedly connected to the end of the lever 704. The unloading cage 702 rotates under the drive of the driving shaft 7, further promoting the downward flow of feed and preventing the feed from being blocked at the connection between the feed hopper 5 and the scattering box 2.

[0053] Embodiment 2, on the basis of embodiment 1, a spray pipe 801 is connected to the position of the spray air box 8 corresponding to the spray pipe 201, and the spray pipe 801 extends to the bottom of the inner cavity of the spray pipe 201 and along the airflow guide groove 202 toward the pipe opening of the spray pipe 201;

[0054] One end of the scattering and spraying air box 8 is connected with six connecting air pipes 802, and the other end of the connecting air pipe 802 is connected with the upper end of the outlet pipe 303. The ends of the six connecting air pipes 802 connected with the inner cavity of the scattering and spraying air box 8 are respectively extended into the inner cavity of the scattering and spraying air box 8 and are connected with independent injection pipes 801. The blower 301 generates wind under the drive of the servo motor 6, and sends the wind into the connecting air pipe 802 through the outlet pipe 303. The connecting air pipe 802 sends the wind into the inner cavity of the scattering and spraying air box 8, and sprays the wind into the corresponding scattering and spraying air through the independent injection pipes 801. In the scattering tube 201, the jet pipe 801 sprays wind toward the pipe mouth of the scattering tube 201 along the direction of the airflow guide groove 202, thereby increasing the scattering distance and range of the feed. When the feed is thrown up by the scattering fan 701, it is influenced by the oblique outward and upward inclined structure of the scattering tube 201, and the feed is guided to be scattered in a specific direction. At the same time, the scattering jet air box 8 sprays wind into the scattering tube 201 through the jet pipe 801, further pushing the feed to be scattered to a farther place. Under the combined action of wind force and the scattering fan 701, the scattered feed can cover a wider area and achieve uniform scattering.

[0055] The working principle of this embodiment:

[0056] The feed enters the scattering system through the feed hopper 5. Since the feed hopper 5 is a funnel-shaped structure that is wide at the top and narrow at the bottom, the feed can flow downward smoothly. The feed is evenly distributed to multiple areas of the inner cavity of the scattering box 2 by the movement of the annular distribution lever 704 of the upper narrow material distribution cone 703, ensuring the uniformity of feed distribution. At the same time, the lever 704 and the ball head 705 can stir the feed and loose feed while following the rotation of the drive shaft 7, and can also prevent the feed from hanging on the wall and bridging in the feed hopper 5, thereby ensuring the feed feeding efficiency. The feeding cage 702 rotates under the drive of the drive shaft 7, further promoting the downward flow of the feed, and preventing the feed from being blocked at the connection between the feed hopper 5 and the scattering box 2.

[0057] The servo motor 6 drives the driving shaft 7 to rotate, thereby driving the scattering fan 701 to rotate. The bottom of the scattering fan 701 is tangent to the bottom of the inner cavity of the scattering box 2, and the feed can be effectively thrown up from the bottom. The six-blade structure of the scattering fan 701 can evenly scatter the feed in all directions, ensuring the uniformity and range of feed scattering;

[0058] The blower 301 generates wind force under the drive of the servo motor 6, and sends the wind into the connecting air pipe 802 through the air outlet pipe 303. The connecting air pipe 802 sends the wind into the inner cavity of the scattering and spraying air box 8 respectively, and sprays the wind into the corresponding scattering pipe 201 through the independent spraying pipe 801. The spraying pipe 801 sprays wind toward the pipe opening of the scattering pipe 201 along the direction of the airflow guide groove 202, thereby increasing the scattering distance and range of the feed;

[0059] When the feed is thrown up by the scattering fan 701, it is guided to be scattered in a specific direction under the influence of the oblique outward and upward inclined structure of the scattering pipe 201. At the same time, the scattering spray air box 8 sprays wind into the scattering pipe 201 through the spray pipe 801, further pushing the feed to be scattered farther. Under the combined action of wind force and the scattering fan 701, the scattered feed can cover a wider area and achieve uniform scattering.

[0060] In this article, there are a few points to note:

[0061] 1. The drawings of the embodiments of the present invention only involve structures related to the embodiments of the present invention, and other structures can refer to the general design.

[0062] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0063] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A large-particle feed spreader, comprising: A support frame (1), a scattering box (2), a driving blower frame (3), a support fixing frame (4), a feed hopper (5), a servo motor (6), a driving shaft (7) and a scattering spray air box (8); characterized in that the scattering box (2) is fixedly mounted on the upper end of the support frame (1); the feed hopper (5) is fixedly docked at the upper end of the scattering box (2); a support fixing frame (4) is provided between the feed hopper (5) and the scattering box (2); a servo motor (6) is provided at the middle part of the lower end of the scattering box (2); the driving blower frame (3) is fixedly mounted on the support frame (1) below the scattering box (2); A driving shaft (7) is rotatably installed between the feed hopper (5) and the middle of the inner cavity of the scattering box (2), and the lower end of the driving shaft (7) passes through the scattering box (2) and is fixedly connected to the rotating shaft of the servo motor (6) through a coupling; a scattering spray air box (8) is distributed in an annular manner at the lower end of the outer wall of the scattering box (2); the scattering box (2) is a six-sided truncated cone structure that is narrow at the top and wide at the bottom, and the six side walls of the scattering box (2) are vertically connected to scattering pipes (201) at positions near the lower end, and the scattering pipes (201) are inclined obliquely outward and upward, and the inner ends of the scattering pipes (201) are connected to the bottom of the inner cavity of the scattering box (2); An airflow guide groove (202) is provided at the center of the bottom of the inner cavity of the scattering pipe (201) in the direction of the pipe opening; a spray pipe (801) is connected to the position of the scattering spray air box (8) corresponding to the scattering pipe (201); the spray pipe (801) extends to the bottom of the inner cavity of the scattering pipe (201) and along the airflow guide groove (202) towards the pipe opening of the scattering pipe (201); one end of the scattering spray air box (8) is connected to six connecting air pipes (802); the other end of the connecting air pipes (802) is connected to the upper end of the air outlet pipe (303); the ends of the six connecting air pipes (802) connected to the inner cavity of the scattering spray air box (8) respectively extend into the inner cavity of the scattering spray air box (8) and are connected to independent spray pipes (801).

2. A large particle feed spreader according to claim 1, characterized in that: The driving blower frame (3) has a blower (301) fixedly mounted thereon; the middle portion of the lower end of the blower (301) is an air inlet (302); one side of the blower (301) is an air outlet pipe (303); the air outlet pipe (303) is arranged vertically upward; the upper end of a rotating shaft on a blower wheel in the inner cavity of the blower (301) is rotationally connected to a rotating shaft of a servo motor (6) via a belt (304).

3. A large particle feed spreader according to claim 1, characterized in that: The support and fixing frame (4) is a "M"-shaped structure, and upper support rods (401) are respectively fixed vertically upward at the upper ends of the six corners of the support and fixing frame (4), and the upper ends of the upper support rods (401) are fixedly connected to the outer wall of the feed hopper (5), and a controller (403) is fixedly provided on the outer wall of one of the upper support rods (401). Lower support rods (402) are respectively fixed vertically downward at the lower ends of the six corners of the support and fixing frame (4), and the lower ends of the lower support rods (402) are fixedly connected to the upper ends of the corresponding throwing pipes (201).

4. A large particle feed spreader according to claim 1, characterized in that: The feed hopper (5) is a funnel-shaped structure that is wide at the top and narrow at the bottom. A wind speed and direction detector (501) is provided at the upper end of the feed hopper (5).

5. The large-particle feed spreader according to claim 1, characterized in that: A scattering fan (701) is fixedly mounted on the driving shaft (7) at a position corresponding to the bottom of the inner cavity of the scattering box (2); the scattering fan (701) is a fan-shaped structure composed of six blades; the bottom of the scattering fan (701) is tangent to the bottom of the inner cavity of the scattering box (2); and the middle of the scattering fan (701) is a conical structure that is narrow at the top and wide at the bottom; A spiral feeding cage (702) is fixedly provided on the driving shaft (7) at the upper end of the scattering fan (701), the upper half of the feeding cage (702) is built into the feed hopper (5), and the ring edge of the feeding cage (702) is tangent to the side wall of the inner cavity where the feed hopper (5) and the scattering box (2) are connected; An upper narrow material distribution cone (703) is fixedly provided at the uppermost end of the driving shaft (7), six vertical shifting rods (704) are distributed in an annular manner on the conical surface of the material distribution cone (703), and a spherical ball head (705) is fixedly connected to the end of the shifting rod (704).

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