Hobbing cutter type weeding machine for paddy field and implementation method of hobbing cutter type weeding machine

Abstract

The invention discloses a hob type weeding machine for a paddy field and an implementation method of the hob type weeding machine, and belongs to the technical field of agricultural production. The hobbing cutter type weeding machine for the paddy field comprises a rack, paddy field wheels are symmetrically arranged on the outer side of the rack, a grass collecting box is arranged on the advancing side of the rack, a hobbing cutter device is arranged on the side, opposite to the grass collecting box, of the rack, a weeding assembly is arranged on the side, away from the grass collecting box, of the hobbing cutter device, and the hobbing cutter device is matched with the weeding assembly. The problems that an existing weeding machine cannot adapt to paddy field operation, and paddy field weeds cannot be prevented from growing again are solved. Through the unique design of the hob device and the weeding assembly, the first sawtooth strip on the weeding plate is matched with the third sawtooth strip on the tooth-shaped annular belt, weeds are firmly clamped and wound into a gap between the bottom of the weeding plate and the bottom of the tooth-shaped annular belt, the weeds are pulled up with roots along with continuous rotation of the weeding plate, and the weeding effect is achieved. The problem that a traditional weeding machine can only cut off weeds and cannot thoroughly remove the weeds is solved, and the weeding efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural production, in particular to a rotary weeder for paddy fields and an implementation method thereof. Background Art

[0002] In agricultural production, the removal of weeds in paddy fields is an important task. Due to the special growth environment of paddy fields, it is difficult to remove weeds. Existing weeders are mostly designed for dry terrestrial environments and cannot effectively cope with the characteristics of weeds in paddy fields. For example, existing weeders often use cutting to deal with weeds, which is particularly insufficient in paddy field environments, because simply cutting off weeds cannot prevent their regrowth, but may promote the reproduction of weeds, because the sufficient water supply in paddy fields will cause weeds to grow quickly and re-root. Therefore, there is a lack of a special weeding equipment on the market that can adapt to paddy field operations, effectively remove weeds in paddy fields and collect them.

[0003] In view of the above problems, the present invention provides a paddy field rotary weeder and an implementation method thereof. Summary of the invention

[0004] The object of the present invention is to provide a rotary weeder for paddy fields and an implementation method thereof, which can effectively uproot and throw weeds by the cooperation of a weeding plate and a toothed ring belt, and set a weed collecting box on the weed throwing trajectory to collect weeds, so as to prevent the weeds from falling into the water again and growing and taking root again, thereby achieving the goal of completely removing weeds from paddy fields and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A roller weeder for paddy fields comprises a frame, paddy field wheels are symmetrically arranged on the outer side of the frame, a grass collecting box is arranged on the forward side of the frame, a roller device is arranged on the side of the frame opposite to the grass collecting box, a weeding assembly is arranged on the side of the roller device away from the grass collecting box, and the roller device cooperates with the weeding assembly.

[0007] Preferably, the roller cutter device includes a toothed belt pulley and a weeding plate. There are two toothed belt pulleys in total. The two toothed belt pulleys are arranged on the same wheel axle. The wheel axle is rotatably connected to the frame. The toothed belt pulleys are connected through the weeding plate. The weeding plate is located at the outer edge of the toothed belt pulley. A first serrated bar is arranged on the weeding plate, and a second serrated bar is arranged on the outer wall of the toothed belt pulley.

[0008] Preferably, the number of the weeding boards is not less than six, the weeding boards are rotationally symmetrically distributed about the axis of the wheel axle, and the extension direction of the first serrated bar and the second serrated bar is the same as the extension direction of the weeding boards.

[0009] Preferably, the weeding assembly includes a roller, a connecting plate and a toothed belt, two connecting plates are symmetrically provided, the connecting plates are connected by a plurality of rollers, the outer side of the connecting plate is fixedly connected to the frame by a connecting column, the outer side of the roller is sleeved with a toothed belt, the outer side wall of the toothed belt is arranged with a third sawtooth bar, and the third sawtooth bar is respectively meshed with the first sawtooth bar and the second sawtooth bar.

[0010] Preferably, the connecting plate is an arc-shaped structure, and the curvature of the connecting plate is the same as the curvature of the toothed belt wheel.

[0011] Preferably, a large transmission wheel is provided on the inner side of the frame, the transmission wheel is connected to the rotating shaft of one of the paddy field wheels, a small transmission wheel is provided on the wheel shaft, and the large transmission wheel and the small transmission wheel are connected through a transmission belt.

[0012] Preferably, the bottom end of the toothed belt wheel is higher than the bottom end of the paddy field wheel ring, the bottom end of the toothed ring belt is located at the oblique lower side of the toothed belt wheel, and the top end of the toothed ring belt is located at the top end of the toothed belt wheel.

[0013] Preferably, a mounting plate is connected to the inner side of the frame, the grass collecting box is arranged on the mounting plate, a drainage hole is provided on one side of the bottom of the grass collecting box, and a receiving interface is provided on one side of the grass collecting box facing the top of the toothed ring belt.

[0014] Preferably, an auxiliary wheel is provided on the side of the toothed ring belt away from the grass collecting box, and the auxiliary wheel is rotatably connected to the frame; a hand push frame is also connected above the frame.

[0015] A method for implementing a paddy field rotary weeder is implemented based on the paddy field rotary weeder and includes the following steps:

[0016] Step 1: The user pushes the frame and the paddy field wheel forward between the crops through the hand push frame, and the paddy field wheel accelerates the rotation of the wheel shaft through transmission, and the wheel shaft drives the toothed belt wheel and the weeding plate to rotate, and the toothed ring belt rotates in the opposite direction through the cooperation of the first sawtooth bar, the second sawtooth bar and the third sawtooth bar;

[0017] Step 2: The weeding board rolls the weeds into the gap between the weeding board and the bottom of the toothed ring belt during the rotation process, and the weeds are firmly clamped by the first sawtooth bar and the third sawtooth bar, and the weeds are pulled out during the rotation of the weeding board;

[0018] Step 3: When the weeds reach the upper end of the toothed belt wheel, they are thrown out under the action of inertia and enter the grass collecting box through the receiving interface, and the entrained mud and water are discharged from the drain hole.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention adopts a unique design of a hobbing device and a weeding assembly. The first serrated bar on the weeding plate cooperates with the third serrated bar on the toothed ring belt to firmly clamp the weeds and roll them into the bottom gap between the weeding plate and the toothed ring belt. As the weeding plate continues to rotate, the weeds are pulled out by the roots, which solves the problem that traditional weeders can only cut off the weeds but cannot completely remove them, thereby improving the weeding efficiency.

[0021] 2. In the weeding process of the present invention, the weeds are pulled out and thrown into the weed collecting box by inertia, thereby realizing automatic collection of the weeds, preventing the weeds from remaining in the field and growing again, and ensuring the cleanliness of the paddy field. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an axonometric diagram of the overall structure of the present invention;

[0023] Figure 2 It is an axonometric view of the frame of the present invention;

[0024] Figure 3 It is an axonometric view of the grass collecting box, the reel device and the weeding assembly of the present invention;

[0025] Figure 4 A diagram showing the meshing relationship between the toothed belt wheel and the toothed belt of the present invention;

[0026] Figure 5 An exploded view of the toothed belt wheel and the toothed belt of the present invention;

[0027] Figure 6 It is a transmission relationship diagram of the paddy field wheel and the wheel axle of the present invention;

[0028] Figure 7 It is an exploded view of the weeding assembly of the present invention.

[0029] In the figure: 1. frame; 11. paddy field wheel; 12. large transmission wheel; 13. mounting plate; 14. auxiliary wheel; 2. grass collecting box; 21. drainage hole; 22. socket; 3. roller device; 31. toothed belt wheel; 32. weeding plate; 33. axle; 34. first serrated bar; 35. second serrated bar; 36. small transmission wheel; 37. transmission belt; 4. weeding assembly; 41. roller; 42. connecting plate; 43. toothed ring belt; 44. connecting column; 45. third serrated bar; 5. push frame. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments 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.

[0031] In order to solve the problem that the existing weeders are not suitable for paddy field operations and cannot prevent the regrowth of weeds in paddy fields, please refer to Figure 1-7 , this embodiment provides the following technical solutions:

[0032] A rotary weeder for paddy fields comprises a frame 1, characterized in that paddy field wheels 11 are symmetrically arranged on the outer side of the frame 1, and the spacing between the paddy field wheels 11 is determined by the planting spacing of aquatic crops.

[0033] A grass collecting box 2 is provided on the forward side of the frame 1, a roller device 3 is provided on the side of the frame 1 opposite to the grass collecting box 2, a weeding assembly 4 is provided on the side of the roller device 3 away from the grass collecting box 2, and the roller device 3 cooperates with the weeding assembly 4 to remove weeds between crops.

[0034] The hob device 3 includes a toothed belt wheel 31 and a weeding plate 32. There are two toothed belt wheels 31 in total. The two toothed belt wheels 31 are arranged on the same wheel shaft 33. Both ends of the wheel shaft 33 penetrate into the frame 1 and are rotatably connected to the frame 1. The toothed belt wheels 31 are connected by weeding plates 32. The weeding plates 32 are located at the outer edge of the toothed belt wheels 31. The number of weeding plates 32 is not less than six, and the weeding plates 32 are rotationally symmetrically distributed around the axis of the wheel shaft 33.

[0035] A first sawtooth bar 34 is arranged on the weeding board 32 , and a second sawtooth bar 35 is arranged on the outer wall of the toothed belt wheel 31 . The extending direction of the first sawtooth bar 34 and the second sawtooth bar 35 is the same as the extending direction of the weeding board 32 .

[0036] The weeding component 4 includes a roller 41, a connecting plate 42 and a toothed belt 43. The connecting plate 42 is an arc-shaped structure. The curvature of the connecting plate 42 is the same as that of the toothed belt wheel 31. Two connecting plates 42 are symmetrically arranged. The connecting plates 42 are connected by a plurality of rollers 41. The outer side of the roller 41 is sleeved with a toothed belt 43. The outer side wall of the toothed belt 43 is arranged with a third serrated strip 45.

[0037] The arrangement arc of the roller 41 is the same as the outer edge arc of the toothed belt wheel 31, so that the toothed belt 43 fits the toothed belt wheel 31 and the weeding plate 32, so that the third sawtooth bar 45 can achieve a good degree of meshing with the first sawtooth bar 34 and the second sawtooth bar 35, which is convenient for effectively clamping the weeds and preventing them from slipping.

[0038] The cooperation between the second sawtooth bar 35 and the third sawtooth bar 45 not only plays the role of clamping weeds, but also can maintain the curvature of the toothed annular belt 43 to prevent the inner side of the toothed annular belt 43 from sagging and affecting the meshing of the third sawtooth bar 45 and the first sawtooth bar 34 .

[0039] The outer side of the connecting plate 42 is fixedly connected to the frame 1 via a connecting column 44 .

[0040] The bottom end of the toothed belt wheel 31 is higher than the bottom end of the wheel ring of the paddy field wheel 11, which prevents the toothed belt wheel 31 and the weeding plate 32 from sinking into the mud and being covered by the mud, thereby affecting the meshing of the first sawtooth bar 34, the second sawtooth bar 35 and the third sawtooth bar 45, and reducing the clamping effect on the weeds.

[0041] The bottom end of the toothed annular belt 43 is located at the oblique lower side of the toothed belt wheel 31, and the bottom end of the meshing surface is maintained at the same level as the stem of the weeds. The weeds from the stem to the blade can be rolled into the gap between the first sawtooth bar 34 and the third sawtooth bar 45, thereby ensuring the clamping area of ​​the weeds to the greatest extent, preventing the weeds from being torn off during the pulling process due to their developed root system, thereby affecting the weed control effect.

[0042] The top end of the toothed annular belt 43 is located at the top end of the toothed belt wheel 31 . When the third sawtooth bar 45 and the first sawtooth bar 34 are rising, the clamped weeds are thrown from the top position of the toothed belt wheel 31 toward the grass collecting box 2 .

[0043] A large transmission wheel 12 is provided on the inner side of the frame 1, and the transmission wheel 12 is connected to the rotating shaft of one of the paddy field wheels 11. A small transmission wheel 36 is provided on the wheel axle 33, and the large transmission wheel 12 and the small transmission wheel 36 are connected by a transmission belt 37; the transmission ratio of the large transmission wheel 12 and the small transmission wheel 36 is adjusted according to the actual weeding effect.

[0044] A mounting plate 13 is connected to the inner side of the frame 1, and a grass collecting box 2 is arranged on the mounting plate 13. A drainage hole 21 is provided on one side of the bottom of the grass collecting box 2, and a receiving interface 22 is provided on one side of the grass collecting box 2 facing the top of the toothed ring belt 43. The weeds are thrown out under the action of inertia, and the receiving interface 22 is located on the throwing trajectory of the weeds.

[0045] An auxiliary wheel 14 is provided on one side of the toothed annular belt 43 away from the grass collecting box 2 . The auxiliary wheel 14 is rotatably connected to the frame 1 . The auxiliary wheel 14 can keep the device balanced during the forward movement, thus saving the user's physical strength.

[0046] A hand push frame 5 is connected above the frame 1, and the hand push frame 5 is arranged in an inclined manner.

[0047] A method for implementing a paddy field rotary weeder is implemented based on the paddy field rotary weeder, and is characterized by comprising the following steps:

[0048] Step 1: The user pushes the frame 1 and the paddy field wheel 11 forward between the crops through the hand push frame 5. The paddy field wheel 11 accelerates the rotation of the wheel shaft 33 through transmission. The wheel shaft 33 drives the toothed belt wheel 31 and the weeding plate 32 to rotate. The toothed belt 43 rotates in the opposite direction through the cooperation of the first sawtooth bar 34, the second sawtooth bar 35 and the third sawtooth bar 45.

[0049] Step 2: The weeding board 32 rolls the weeds into the gap between the weeding board 32 and the bottom of the toothed annular belt 43 during the rotation process, and the weeds are firmly clamped by the first sawtooth bar 34 and the third sawtooth bar 45, and the weeds are pulled out during the upward rotation of the weeding board 32;

[0050] Step 3: When the weeds reach the upper end of the toothed belt wheel 31 , they are thrown out due to inertia and enter the grass collecting box 2 through the receiving interface 22 , and the entrained mud and water are discharged from the drainage hole 21 .

[0051] Working principle: The user pushes the frame 1 and the paddy field wheel 11 forward between the crops through the hand push frame 5. As the paddy field wheel 11 rolls, the wheel shaft 33 is accelerated to rotate through the transmission system, thereby driving the toothed belt wheel 31 and the weeding plate 32 to rotate. In this process, the first sawtooth bar 34 and the third sawtooth bar 45 on the weeding plate 32 cooperate with each other to firmly clamp the weeds and roll them into the bottom gap between the weeding plate 32 and the toothed ring belt 43. As the weeding plate 32 continues to rotate, the weeds are pulled up, and when they reach the upper end of the toothed belt wheel 31, they are thrown out under the action of inertia and enter the grass collecting box 2 through the receiving interface 22. The entrained muddy water is discharged from the drainage hole 21 at the bottom of the grass collecting box 2, thereby pulling out the weeds growing between the crops.

[0052] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0053] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A paddy field weeder, comprising a frame (1), characterized in that: The outer side of the frame (1) is symmetrically provided with paddy field wheels (11), the forward side of the frame (1) is provided with a grass collecting box (2), the side of the frame (1) opposite to the grass collecting box (2) is provided with a roller cutter device (3), the side of the roller cutter device (3) away from the grass collecting box (2) is provided with a weeding assembly (4), and the roller cutter device (3) cooperates with the weeding assembly (4).

2. A paddy field weeder according to claim 1, characterized in that: The hob device (3) comprises a toothed belt wheel (31) and a weeding plate (32). There are two toothed belt wheels (31) in total. The two toothed belt wheels (31) are arranged on the same wheel shaft (33). The wheel shaft (33) is rotatably connected to the frame (1). The toothed belt wheels (31) are connected through the weeding plate (32). The weeding plate (32) is located at the outer edge of the toothed belt wheel (31). A first sawtooth bar (34) is arranged on the weeding plate (32). A second sawtooth bar (35) is arranged on the outer side wall of the toothed belt wheel (31).

3. A paddy field weeder according to claim 2, characterized in that: The number of the weeding boards (32) is not less than six, and the weeding boards (32) are rotationally symmetrically distributed about the axis of the wheel axle (33), and the extension direction of the first sawtooth bar (34) and the second sawtooth bar (35) is the same as the extension direction of the weeding boards (32).

4. A paddy field weeder according to claim 3, characterized in that: The weeding assembly (4) comprises a roller (41), a connecting plate (42) and a toothed ring belt (43), wherein two connecting plates (42) are symmetrically provided, and the connecting plates (42) are connected via a plurality of rollers (41), and the outer side of the connecting plate (42) is fixedly connected to the frame (1) via a connecting column (44), and the outer side of the roller (41) is sleeved with a toothed ring belt (43), and the outer side wall of the toothed ring belt (43) is arranged with a third sawtooth bar (45), and the third sawtooth bar (45) is respectively meshed with the first sawtooth bar (34) and the second sawtooth bar (35).

5. A paddy field weeder according to claim 4, characterized in that: The connecting plate (42) is an arc-shaped structure, and the curvature of the connecting plate (42) is the same as the curvature of the toothed belt wheel (31).

6. A paddy field weeder according to claim 5, characterized in that: A large transmission wheel (12) is provided on the inner side of the frame (1), the transmission wheel (12) is connected to the rotating shaft of one of the paddy field wheels (11), a small transmission wheel (36) is provided on the wheel shaft (33), and the large transmission wheel (12) and the small transmission wheel (36) are connected via a transmission belt (37).

7. A paddy field weeder according to claim 6, characterized in that: The bottom end of the toothed belt wheel (31) is higher than the bottom end of the wheel ring of the paddy field wheel (11), the bottom end of the toothed ring belt (43) is located at the oblique lower side of the toothed belt wheel (31), and the top end of the toothed ring belt (43) is located at the top end of the toothed belt wheel (31).

8. A paddy field weeder according to claim 7, characterized in that: The inner side of the frame (1) is connected to a mounting plate (13), the grass collecting box (2) is arranged on the mounting plate (13), a drainage hole (21) is provided on one side of the bottom of the grass collecting box (2), and a receiving interface (22) is provided on one side of the grass collecting box (2) facing the top of the toothed ring belt (43).

9. A paddy field weeder according to claim 8, characterized in that: An auxiliary wheel (14) is provided on the side of the toothed ring belt (43) away from the grass collecting box (2), and the auxiliary wheel (14) is rotatably connected to the frame (1); a hand push frame (5) is also connected above the frame (1).

10. A method for implementing a paddy field rotary weeder, based on the paddy field rotary weeder according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: The user pushes the frame (1) and the paddy field wheel (11) forward between the crops through the hand push frame (5), and the paddy field wheel (11) accelerates the rotation of the wheel shaft (33) through transmission, and the wheel shaft (33) drives the toothed belt wheel (31) and the weeding plate (32) to rotate, and the toothed belt (43) rotates in the opposite direction through the cooperation of the first sawtooth bar (34), the second sawtooth bar (35) and the third sawtooth bar (45); Step 2: The weeding board (32) rolls the weeds into the gap between the weeding board (32) and the bottom of the toothed ring belt (43) during the rotation process, and the weeds are firmly clamped by the first sawtooth bar (34) and the third sawtooth bar (45), and the weeds are pulled out during the upward rotation of the weeding board (32); Step 3: When the weeds reach the upper end of the toothed belt wheel (31), they are thrown out due to inertia and enter the grass collecting box (2) through the receiving interface (22), and the muddy water carried by them is discharged from the drainage hole (21).

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