A weeding machine

Abstract

The application provides a weeding machine, which comprises a mounting plate, a support mechanism and a weeding mechanism, the support mechanism is connected with the mounting plate, the support mechanism comprises a first mounting beam, the first mounting beam is slidingly connected with the outer surface of the mounting plate, and the end of the first mounting beam away from the mounting plate is fixedly connected with a first connecting block; a transverse driving assembly is mounted on the mounting plate, the transverse driving assembly is used for driving the first mounting beam to move transversely; the mounting plate is fixedly connected with a second mounting beam, and the second mounting beam is located below the first mounting beam; a hydraulic cylinder for driving a second connecting block is mounted on the outer surface of the second mounting beam; the weeding mechanism comprises a first connecting rod and a second connecting rod, the first connecting block is fixedly connected with a first mounting frame through the first connecting rod, and an obliquely arranged first cutting disc is mounted on the first mounting frame; the second connecting block is fixedly connected with a second mounting frame through the second connecting rod, and an obliquely arranged second cutting disc is mounted on the second mounting frame.

Description

TECHNICAL FIELD

[0001] The present invention belongs to the technical field of weeding equipment. Specifically, it relates to a weeding machine. BACKGROUND

[0002] In the field of agricultural production and horticulture, weeds have a negative impact on the normal growth and yield of crops, so regular weeding treatment is needed. Traditional weeding methods usually rely on manual weeding, but this method is time-consuming, labor-intensive and inefficient. In order to improve the efficiency of weeding, weeding machines have gradually become an important device in weeding operations.

[0003] There are many types of weeding machines on the market, which are based on different working principles to achieve the purpose of weeding. However, some existing weeding machines have some limitations, for example, they cannot adapt to different weed densities and crop growth stages during use, and cannot achieve fine weeding adjustment, resulting in the need to frequently change different models of weeding machines when facing different situations, thereby increasing costs and operational complexity.

[0004] At the same time, some traditional weeding machines have the problems of low efficiency, high energy consumption and greater impact on the environment. In order to improve the efficiency of farmland management and reduce the impact on the environment, it is necessary to develop a more intelligent and efficient weeding machine that can be flexibly adjusted according to different situations, achieve precise weeding, and at the same time reduce energy consumption and impact on the environment.

[0005] In summary, it has become a problem to be solved to develop a weeding machine with adjustment capability to achieve efficient weeding in different situations. SUMMARY

[0006] In order to overcome a series of defects existing in the prior art, the purpose of the present application is to provide a weeding machine, which comprises a mounting plate 2, a support mechanism 3 and a weeding mechanism 4, characterized in that the mounting plate 2 is fixedly connected with a connecting seat 1, the mounting plate 2 is connected with an external traction machine through the connecting seat 1; the support mechanism 3 is connected with the mounting plate 2, the support mechanism 3 comprises a first mounting beam 33, the first mounting beam 33 is slidingly connected with the outer surface of the mounting plate 2, and the first mounting beam 33 is fixedly connected with a first connecting block 35 at the end away from the mounting plate 2; a transverse driving assembly 31 is installed on the mounting plate 2, and the transverse driving assembly 31 is used for driving the first mounting beam 33 to move transversely; the mounting plate 2 is fixedly connected with a second mounting beam 37, the second mounting beam 37 is located below the first mounting beam 33, a sliding groove is formed in the end of the second mounting beam 37 away from the mounting plate 2, a movable rod 36 is slidingly connected in the sliding groove, and the end of the movable rod 36 extends to the outside of the sliding groove and is fixedly connected with a second connecting block 38; a hydraulic cylinder 34 for driving the second connecting block 38 is installed on the outer surface of the second mounting beam 37; the weeding mechanism 4 comprises a first connecting rod 41 and a second connecting rod 44, the lower surface of the first connecting block 35 is fixedly connected with a first mounting bracket 42 through the first connecting rod 41, and an obliquely arranged first cutting disc 43 is installed on the first mounting bracket 42; the lower surface of the second connecting block 38 is fixedly connected with a second mounting bracket 45 through the second connecting rod 44, and an obliquely arranged second cutting disc 46 is installed on the second mounting bracket 45, and the second cutting disc 46 is arranged opposite to the first cutting disc 43.

[0007] Further, the transverse driving assembly 31 comprises a motor 311 and an internal thread sleeve 313, the motor 311 is installed on the mounting plate 2, the output end of the motor 311 is connected with a threaded rod 312, the other end of the threaded rod 312 extends into the internal thread sleeve 313 and is threadedly connected with the internal thread sleeve 313, and the end of the internal thread sleeve 313 away from the threaded rod 312 is rotationally connected with the side surface of the first mounting beam 33.

[0008] Further, the support mechanism 3 further comprises a sliding rail 32 fixedly connected with the mounting plate 2, and the first mounting beam 33 is slidingly connected on the sliding rail 32.

[0009] Further, a first switch mechanism 7 for controlling the first cutting disc 43 is installed on the first connecting block 35, and a fixed trigger mechanism 6 for triggering the first switch mechanism 7 is installed on the mounting plate 2.

[0010] Further, the first switch mechanism 7 comprises a first mounting frame 72 fixedly connected with the first connecting block 35, a first proximity switch 75 is mounted on the first mounting frame 72, a first piston plate 71 is slidingly connected in the first mounting frame 72, and a first spring 73 is connected between the end of the first piston plate 71 away from the first proximity switch 75 and the inner wall of the first mounting frame 72 in an elastic manner; a first pressure air bag 74 is connected to the end of the first piston plate 71 away from the first proximity switch 75, and the other end of the first pressure air bag 74 is connected with the inner wall of the first mounting frame 72.

[0011] Further, the fixed trigger mechanism 6 comprises a first fixed plate 61 and a second fixed plate 63, the first fixed plate 61 and the second fixed plate 63 are symmetrically fixed to the two ends of the slide rail 32, a first elastic air bag 62 and a second elastic air bag 64 are respectively fixed to the end faces of the first fixed plate 61 and the second fixed plate 63 close to each other, the second elastic air bag 64 and the first elastic air bag 62 are respectively connected with the first pressure air bag 74 through air guide pipes, and a first electric control valve 65 and a second electric control valve 66 are respectively mounted on the two air guide pipes.

[0012] Further, the second connecting block 38 is provided with a second switch mechanism 8 for controlling the second cutting disc 46, and the second mounting beam 37 and the second connecting block 38 are provided with a movable trigger mechanism 5 for triggering the second switch mechanism 8.

[0013] Further, the second switch mechanism 8 comprises a second mounting frame 82 fixedly connected with the second connecting block 38, a second proximity switch 85 is mounted on the second mounting frame 82, a second piston plate 81 is slidingly connected in the second mounting frame 82, and a second spring 83 is connected between the end of the second piston plate 81 away from the second proximity switch 85 and the inner wall of the second mounting frame 82 in an elastic manner; a second pressure air bag 84 is connected to the end of the second piston plate 81 away from the second proximity switch 85, and the other end of the second pressure air bag 84 is connected with the inner wall of the second mounting frame 82.

[0014] Further, the movable trigger mechanism 5 comprises a first side lug 51 fixedly connected with the second mounting beam 37, a third side lug 54 is fixedly connected on the second connecting block 38, a second connecting air bag 55 is mounted on the end face of the third side lug 54 close to the first side lug 51, and the second connecting air bag 55 is arranged opposite to the first side lug 51; a second side lug 52 is also fixedly connected on the second connecting block 38, a first connecting air bag 53 is mounted on the end face of the second side lug 52 away from the second mounting beam 37; the first connecting air bag 53 and the second connecting air bag 55 are respectively connected with the second pressure air bag 84 through communication pipes, and a first electromagnetic valve 56 and a second electromagnetic valve 57 are respectively mounted on the two communication pipes.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] The present application realizes multi-dimensional position adjustment of the cutting disc through hydraulic and motor driving, cooperates with a pneumatic switch accurate control system, realizes accurate control of the cutting disc position, and improves the weeding effect and use flexibility. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the structure of the support mechanism in the present application;

[0019] Figure 3 It is a schematic diagram of the structure of the transverse driving assembly in the present application;

[0020] Figure 4 It is a schematic diagram of the structure of the weeding mechanism in the present application;

[0021] Figure 5 It is a schematic diagram of the structure of the movable trigger mechanism in the present application;

[0022] Figure 6 It is a schematic diagram of the structure of the fixed trigger mechanism in the present application;

[0023] Figure 7 It is a schematic diagram of the structure of the first switch mechanism in the present application;

[0024] Figure 8 It is a schematic diagram of the structure of the second switch mechanism in the present application.

[0025] The reference signs in the drawings are:

[0026] 1, connecting seat; 2, mounting plate; 3, support mechanism; 4, weeding mechanism; 5, movable trigger mechanism; 6, fixed trigger mechanism; 7, first switch mechanism; 8, second switch mechanism;

[0027] 31, transverse driving assembly; 32, slide rail; 33, first mounting beam; 34, hydraulic cylinder; 35, first connecting block; 36, movable rod; 37, second mounting beam; 38, second connecting block;

[0028] 311, motor; 312, threaded rod; 313, internally threaded sleeve;

[0029] 41, first connecting rod; 42, first mounting bracket; 43, first cutting disc; 44, second connecting rod; 45, second mounting bracket; 46, second cutting disc;

[0030] 51, first side lug; 52, second side lug; 53, first connecting air bag; 54, third side lug; 55, second connecting air bag; 56, first electromagnetic valve; 57, second electromagnetic valve;

[0031] 61, first fixed plate; 62, first elastic air bag; 63, second fixed plate; 64, second elastic air bag; 65, first electric control valve; 66, second electric control valve;

[0032] 71, first piston plate; 72, first mounting frame; 73, first spring; 74, first pressure air bag; 75, first proximity switch;

[0033] 81, second piston plate; 82, second mounting frame; 83, second spring; 84, second pressure air bag; 85, second proximity switch. DETAILED DESCRIPTION

[0034] For the purpose of making the present application, technical solutions and advantages clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The described embodiments are part of the embodiments of the present application, not all of the embodiments.

[0035] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0036] The embodiments described below with reference to the drawings and the directional words are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0037] In one broad embodiment of the present application, a weeding machine comprising a mounting plate 2, a support mechanism 3 and a weeding mechanism 4, characterized in that the mounting plate 2 is fixedly connected with a connecting seat 1, the mounting plate 2 is connected with an external traction machine through the connecting seat 1; the support mechanism 3 is connected with the mounting plate 2, the support mechanism 3 comprises a first mounting beam 33, the first mounting beam 33 is slidingly connected with the outer surface of the mounting plate 2, and the first mounting beam 33 is fixedly connected with a first connecting block 35 at the end away from the mounting plate 2; a transverse driving assembly 31 is installed on the mounting plate 2, and the transverse driving assembly 31 is used to drive the first mounting beam 33 to move transversely; the mounting plate 2 is fixedly connected with a second mounting beam 37, the second mounting beam 37 is located below the first mounting beam 33, a sliding slot is formed at the end of the second mounting beam 37 away from the mounting plate 2, and a movable rod 36 is slidingly connected in the sliding slot, one end of the movable rod 36 extends to the outside of the sliding slot and is fixedly connected with a second connecting block 38; a hydraulic cylinder 34 for driving the second connecting block 38 is installed on the outer surface of the second mounting beam 37; the weeding mechanism 4 comprises a first connecting rod 41 and a second connecting rod 44, the lower surface of the first connecting block 35 is fixedly connected with a first mounting bracket 42 through the first connecting rod 41, and an obliquely arranged first cutting disc 43 is installed on the first mounting bracket 42; the lower surface of the second connecting block 38 is fixedly connected with a second mounting bracket 45 through the second connecting rod 44, and an obliquely arranged second cutting disc 46 is installed on the second mounting bracket 45, and the second cutting disc 46 is oppositely arranged with the first cutting disc 43.

[0038] Further, the transverse driving assembly 31 comprises a motor 311 and an internal thread sleeve 313, the motor 311 is installed on the mounting plate 2, the output end of the motor 311 is connected with a threaded rod 312, the other end of the threaded rod 312 extends into the internal thread sleeve 313 and is threadedly connected with the internal thread sleeve 313, and the end of the internal thread sleeve 313 away from the threaded rod 312 is rotationally connected with the side surface of the first mounting beam 33.

[0039] Further, the support mechanism 3 further comprises a sliding rail 32 fixedly connected with the mounting plate 2, and the first mounting beam 33 is slidingly connected on the sliding rail 32.

[0040] Further, a first switch mechanism 7 for controlling the first cutting disc 43 is installed on the first connecting block 35, and a fixed trigger mechanism 6 for triggering the first switch mechanism 7 is installed on the mounting plate 2.

[0041] Further, the first switch mechanism 7 comprises a first mounting frame 72 fixedly connected with the first connecting block 35, a first proximity switch 75 is mounted on the first mounting frame 72, a first piston plate 71 is slidingly connected in the first mounting frame 72, and a first spring 73 is connected between the end of the first piston plate 71 away from the first proximity switch 75 and the inner wall of the first mounting frame 72 in an elastic manner; a first pressure air bag 74 is connected to the end of the first piston plate 71 away from the first proximity switch 75, and the other end of the first pressure air bag 74 is connected with the inner wall of the first mounting frame 72.

[0042] Further, the fixed trigger mechanism 6 comprises a first fixed plate 61 and a second fixed plate 63, the first fixed plate 61 and the second fixed plate 63 are symmetrically fixed to the two ends of the slide rail 32, a first elastic air bag 62 and a second elastic air bag 64 are respectively fixed to the end faces of the first fixed plate 61 and the second fixed plate 63 close to each other, the second elastic air bag 64 and the first elastic air bag 62 are respectively connected with the first pressure air bag 74 through air guide pipes, and a first electric control valve 65 and a second electric control valve 66 are respectively mounted on the two air guide pipes.

[0043] Further, the second connecting block 38 is provided with a second switch mechanism 8 for controlling the second cutting disc 46, and the second mounting beam 37 and the second connecting block 38 are provided with a movable trigger mechanism 5 for triggering the second switch mechanism 8.

[0044] Further, the second switch mechanism 8 comprises a second mounting frame 82 fixedly connected with the second connecting block 38, a second proximity switch 85 is mounted on the second mounting frame 82, a second piston plate 81 is slidingly connected in the second mounting frame 82, and a second spring 83 is connected between the end of the second piston plate 81 away from the second proximity switch 85 and the inner wall of the second mounting frame 82 in an elastic manner; a second pressure air bag 84 is connected to the end of the second piston plate 81 away from the second proximity switch 85, and the other end of the second pressure air bag 84 is connected with the inner wall of the second mounting frame 82.

[0045] Further, the movable trigger mechanism 5 comprises a first side lug 51 fixedly connected with the second mounting beam 37, a third side lug 54 is fixedly connected on the second connecting block 38, a second connecting air bag 55 is mounted on the end face of the third side lug 54 close to the first side lug 51, and the second connecting air bag 55 is arranged opposite to the first side lug 51; a second side lug 52 is also fixedly connected on the second connecting block 38, a first connecting air bag 53 is mounted on the end face of the second side lug 52 away from the second mounting beam 37; the first connecting air bag 53 and the second connecting air bag 55 are respectively connected with the second pressure air bag 84 through communication pipes, and a first electromagnetic valve 56 and a second electromagnetic valve 57 are respectively mounted on the two communication pipes.

[0046] The application will be further described in detail below with reference to the preferred embodiments thereof, taken in conjunction with the accompanying drawings.

[0047] As Figures 1 to 8 shown in the drawings, a weeding machine comprises:

[0048] A mounting plate 2 is fixedly connected with a connecting seat 1;

[0049] A support mechanism 3 is connected with the mounting plate 2, and comprises a first mounting beam 33 which is in sliding connection with the outer surface of the mounting plate 2, and a first connecting block 35 is fixedly connected with one end of the first mounting beam 33 away from the mounting plate 2; a transverse driving assembly 31 is mounted on the mounting plate 2, and is used to drive the first mounting beam 33 to move transversely; a second mounting beam 37 is fixedly connected with the mounting plate 2, and is located below the first mounting beam 33, and a sliding slot is formed in one end of the second mounting beam 37 away from the mounting plate 2, and a movable rod 36 is in sliding connection with the sliding slot, and one end of the movable rod 36 extends to the outside of the sliding slot and is fixedly connected with a second connecting block 38; a hydraulic cylinder 34 for driving the second connecting block 38 is mounted on the outer surface of the second mounting beam 37;

[0050] A weeding mechanism 4 comprises a first connecting rod 41 and a second connecting rod 44, and a first mounting bracket 42 is fixedly connected with the first connecting block 35 through the first connecting rod 41, and a first cutting disc 43 is obliquely mounted on the first mounting bracket 42; a second mounting bracket 45 is fixedly connected with the second connecting block 38 through the second connecting rod 44, and a second cutting disc 46 is obliquely mounted on the second mounting bracket 45, and the second cutting disc 46 is oppositely arranged with the first cutting disc 43.

[0051] In this embodiment, the mounting plate 2 can be connected with an external traction machine through the connecting seat 1, and the high-efficiency weeding function is realized through the high-speed rotation of the first cutting disc 43 and the second cutting disc 46.

[0052] The longitudinal movement of the second connecting block 38 can be driven through the extension and retraction of the hydraulic cylinder 34, so that the longitudinal distance between the first cutting disc 43 and the second cutting disc 46 can be adjusted; at the same time, the first mounting beam 33 can be driven to move transversely to the upper side of the second mounting beam 37 through the transverse driving assembly 31, so that the first connecting block 35 and the first cutting disc 43 can be driven to move transversely.

[0053] In summary, through the cooperation of the lateral driving assembly 31 and the hydraulic cylinder 34, the switching of different working states can be realized: when the hydraulic cylinder 34 is extended and the lateral driving assembly 31 is not working, the first cutting disc 43 and the second cutting disc 46 are arranged side by side; when the hydraulic cylinder 34 is retracted and the lateral driving assembly 31 is not working, the first cutting disc 43 and the second cutting disc 46 are staggered; when the hydraulic cylinder 34 is retracted and the lateral driving assembly 31 is working, the first mounting beam 33 moves to the top of the second mounting beam 37, and the first cutting disc 43 and the second cutting disc 46 are arranged in front of and behind each other. Further, by adjusting the positions of the first cutting disc 43 and the second cutting disc 46, the intensity of weeding can be adjusted, thereby improving the flexibility and adaptability of the entire device.

[0054] As shown in Figure 2 and Figure 3 , the lateral driving assembly 31 includes a motor 311 and an internally threaded sleeve 313, the motor 311 is mounted on the mounting plate 2, the output end of the motor 311 is connected with a threaded rod 312, the other end of the threaded rod 312 extends into the internally threaded sleeve 313 and is threadedly connected with the internally threaded sleeve 313, and the end of the internally threaded sleeve 313 away from the threaded rod 312 is rotationally connected with the side surface of the first mounting beam 33.

[0055] In this embodiment, starting the motor 311 can drive the threaded rod 312 to rotate, and since the first mounting beam 33 is slidingly connected with the mounting plate 2, the internally threaded sleeve 313 can move along the axial direction of the threaded rod 312, when the motor 311 rotates forward, the internally threaded sleeve 313 can move towards the motor 311 through the threaded rod 312, and when the motor 311 reverses, the internally threaded sleeve 313 can move away from the motor 311 through the threaded rod 312. This movement mechanism gives the first mounting beam 33 the ability to move laterally, thereby achieving the adjustment of the use position of the first cutting disc 43, and thus the relative positions between the first cutting disc 43 and the second cutting disc 46 can be flexibly adjusted.

[0056] As shown in Figure 1 and Figure 2 , the support mechanism 3 further includes a sliding rail 32 fixedly connected with the mounting plate 2, and the first mounting beam 33 is slidingly connected on the sliding rail 32.

[0057] In this embodiment, the sliding rail 32 makes the movement of the first mounting beam 33 more stable.

[0058] As shown in Figure 1 , the first connecting block 35 is provided with a first switch mechanism 7 for controlling the first cutting disc 43, and the mounting plate 2 is provided with a fixed trigger mechanism 6 for triggering the first switch mechanism 7.

[0059] In this embodiment, only when the first switch mechanism 7 is triggered by the fixed trigger mechanism 6, the first cutting disc 43 will work, which ensures the accuracy of the position adjustment of the first cutting disc 43 and guarantees the correct use of the first cutting disc 43, thereby improving the weeding effect.

[0060] As shown in Figure 1 and Figure 7 , the first switch mechanism 7 comprises a first mounting frame 72 fixedly connected with the first connecting block 35, a first proximity switch 75 is mounted on the first mounting frame 72, a first piston plate 71 is slidingly connected in the first mounting frame 72, and the end of the first piston plate 71 away from the first proximity switch 75 is elastically connected with the inner wall of the first mounting frame 72 through a first spring 73; a first pressure gas bag 74 is connected to the end of the first piston plate 71 away from the first proximity switch 75, and the other end of the first pressure gas bag 74 is connected with the inner wall of the first mounting frame 72.

[0061] As shown in Figure 1 and Figure 6 , the fixed trigger mechanism 6 comprises a first fixed plate 61 and a second fixed plate 63, the first fixed plate 61 and the second fixed plate 63 are symmetrically fixed to the two ends of the slide rail 32, a first elastic gas bag 62 and a second elastic gas bag 64 are respectively fixed to the end faces of the first fixed plate 61 and the second fixed plate 63, the second elastic gas bag 64 and the first elastic gas bag 62 are respectively connected with the first pressure gas bag 74 through gas guide pipes, and a first electric control valve 65 and a second electric control valve 66 are respectively mounted on the two gas guide pipes.

[0062] In this embodiment, when the first mounting beam 33 is normally used, it is close to the first fixed plate 61 and presses the first elastic gas bag 62, a controller for controlling the opening of the first electric control valve 65 is mounted on the first fixed plate 61, a distance sensor is mounted on the controller, and the position of the first mounting beam 33 is detected through the distance sensor, once the distance sensor detects that the first mounting beam 33 is close to the first fixed plate 61, the first electric control valve 65 is opened and the second electric control valve 66 is closed through the controller;

[0063] Due to the pressing action of the first mounting beam 33, the gas in the first elastic gas bag 62 enters the first pressure gas bag 74 through the corresponding gas guide pipe, causing the first pressure gas bag 74 to inflate and expand, thereby pushing the first piston plate 71 to move towards the first proximity switch 75;

[0064] When the first mounting beam 33 is driven to move laterally by the motor 311, the first mounting beam 33 moves towards the second fixed plate 63, at this time, the controller closes the first electric control valve 65, and opens the second electric control valve 66, at the same time, the first mounting beam 33 extrudes the second elastic air bag 64, so that the gas in the second elastic air bag 64 enters into the first pressure air bag 74 through the corresponding gas guide pipe, causing the first pressure air bag 74 to inflate and expand, and then pushing the first piston plate 71 to move towards the first proximity switch 75;

[0065] When the use position of the first mounting beam 33 is accurate, that is, the amount of extrusion of the first elastic air bag 62 or the second elastic air bag 64 is accurate, the expansion degree of the first pressure air bag 74 will be sufficient, so that the first piston plate 71 triggers the first proximity switch 75, ensuring that the first cutting disc 43 can work; Because the accurate use position of the first mounting beam 33 can ensure the more accurate use position of the first cutting disc 43, it is beneficial to the use of the first cutting disc 43, and ensures the weeding effect of the device.

[0066] As shown in Figure 1 , the second connecting block 38 is provided with a second switch mechanism 8 for controlling the second cutting disc 46, and the second mounting beam 37 and the second connecting block 38 are provided with a movable trigger mechanism 5 for triggering the second switch mechanism 8.

[0067] In this embodiment, when the second switch mechanism 8 is triggered by the movable trigger mechanism 5, the second cutting disc 46 will work, which ensures the accuracy of the adjustment of the position of the second cutting disc 46, and is beneficial to the use of the second cutting disc 46, thereby further ensuring the weeding effect of the device.

[0068] As shown in Figure 1 and Figure 8 , the second switch mechanism 8 comprises a second mounting frame 82 fixedly connected with the second connecting block 38, the second mounting frame 82 is provided with a second proximity switch 85, the second mounting frame 82 is slidably connected with a second piston plate 81, one end of the second piston plate 81 away from the second proximity switch 85 is elastically connected with the inner wall of the second mounting frame 82 through a second spring 83; the other end of the second piston plate 81 away from the second proximity switch 85 is connected with a second pressure air bag 84, and the other end of the second pressure air bag 84 is connected with the inner wall of the second mounting frame 82.

[0069] As shown in Figure 1 and Figure 5As shown, the activity trigger mechanism 5 includes a first side lug 51 fixedly connected with the second mounting beam 37, the second connecting block 38 is fixedly connected with a third side lug 54, the second connecting block 38 is fixedly connected with a second side lug 52, the second side lug 52 is installed with a first connecting air bag 53 on the end face away from the second mounting beam 37, the first connecting air bag 53 and the second connecting air bag 55 are respectively communicated with the second pressure air bag 84 through the communication pipes, and the first electromagnetic valve 56 and the second electromagnetic valve 57 are respectively installed on the two communication pipes.

[0070] In the embodiment, the second side lug 52 is installed with a controller for controlling the first electromagnetic valve 56. When the second side lug 52 and the first connecting rod 41 are opposite to each other, when the movable rod 36 is elongated by the hydraulic cylinder 34, the second side lug 52 and the first connecting rod 41 work to make the controller work, and then the first electromagnetic valve 56 is opened and the second electromagnetic valve 57 is closed; when the movable rod 36 is elongated, the first connecting air bag 53 can be squeezed by the second side lug 52 and the first connecting rod 41, so that the gas in the first connecting air bag 53 enters the second pressure air bag 84 through the corresponding communication pipe, causing the second pressure air bag 84 to inflate and expand, and then the second piston plate 81 moves towards the second proximity switch 85;

[0071] When the movable rod 36 is retracted by the hydraulic cylinder 34, the controller on the third side lug 54 is triggered by the first side lug 51, the second electromagnetic valve 57 is opened by the controller, the first electromagnetic valve 56 is closed because the second side lug 52 is away from the first connecting rod 41; and when the movable rod 36 is retracted, the second connecting air bag 55 can be squeezed by the first side lug 51 and the third side lug 54, so that the gas in the second connecting air bag 55 enters the second pressure air bag 84 through the corresponding communication pipe, causing the second pressure air bag 84 to inflate and expand, and then the second piston plate 81 moves towards the second proximity switch 85;

[0072] When the use position of the movable rod 36 is accurate, that is, the amount of squeezing the first connecting air bag 53 or the second connecting air bag 55 is accurate, the expansion degree of the second pressure air bag 84 will be large enough, so that the second piston plate 81 triggers the second proximity switch 85, ensuring that the second cutting disc 46 can work; because the use position of the movable rod 36 is accurate, the use position of the second cutting disc 46 is more accurate, which is beneficial to the use of the second cutting disc 46 and further ensures the weeding effect of the device.

[0073] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the same. Although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A weeding machine comprising a mounting plate (2), a support mechanism (3) and a weeding mechanism (4), characterized in that, The mounting plate (2) is fixedly connected with a connecting seat (1), the mounting plate (2) is connected with external traction machinery through the connecting seat (1); the support mechanism (3) is connected with the mounting plate (2), the support mechanism (3) comprises a first mounting beam (33), the first mounting beam (33) is slidably connected with the outer surface of the mounting plate (2), and the first mounting beam (33) is fixedly connected with a first connecting block (35) at the end away from the mounting plate (2); the mounting plate (2) is provided with a transverse driving assembly (31), and the transverse driving assembly (31) is used for driving the first mounting beam (33) to move transversely; the mounting plate (2) is fixedly connected with a second mounting beam (37), the second mounting beam (37) is located below the first mounting beam (33), and the second mounting beam (37) is provided with a sliding groove at the end away from the mounting plate (2), and a movable rod (36) is slidably connected in the sliding groove, one end of the movable rod (36) extends to the outside of the sliding groove and is fixedly connected with a second connecting block (38); the outer surface of the second mounting beam (37) is provided with a hydraulic cylinder (34) for driving the second connecting block (38); the weeding mechanism (4) comprises a first connecting rod (41) and a second connecting rod (44), the lower surface of the first connecting block (35) is fixedly connected with a first mounting bracket (42) through the first connecting rod (41), and the first mounting bracket (42) is provided with a first cutting disc (43) arranged obliquely; the lower surface of the second connecting block (38) is fixedly connected with a second mounting bracket (45) through the second connecting rod (44), and the second mounting bracket (45) is provided with a second cutting disc (46) arranged obliquely, and the second cutting disc (46) is arranged opposite to the first cutting disc (43); The transverse driving assembly (31) comprises a motor (311) and an internal thread sleeve (313), the motor (311) is mounted on the mounting plate (2), the output end of the motor (311) is connected with a threaded rod (312), the other end of the threaded rod (312) extends into the internal thread sleeve (313) and is threadedly connected with the internal thread sleeve (313), and the end, away from the threaded rod (312), of the internal thread sleeve (313) is rotatably connected with the side surface of the first mounting beam (33); The first connecting block (35) is provided with a first switch mechanism (7) for controlling the first cutting disc (43), and the mounting plate (2) is provided with a fixed trigger mechanism (6) for triggering the first switch mechanism (7); The first switch mechanism (7) comprises a first mounting frame (72) fixedly connected with the first connecting block (35), a first proximity switch (75) is mounted on the first mounting frame (72), a first piston plate (71) is slidably connected in the first mounting frame (72), and one end of the first piston plate (71) away from the first proximity switch (75) is elastically connected with the inner wall of the first mounting frame (72) through a first spring (73); one end of the first piston plate (71) away from the first proximity switch (75) is connected with a first pressure air bag (74), and the other end of the first pressure air bag (74) is connected with the inner wall of the first mounting frame (72); The fixed trigger mechanism (6) comprises a first fixed plate (61) and a second fixed plate (63), the first fixed plate (61) and the second fixed plate (63) are symmetrically fixed on both ends of the slide rail (32), first and second elastic air bags (62) and (64) are respectively fixed on the end faces of the first and second fixed plates (61) and (63) close to each other, the second elastic air bag (64) and the first elastic air bag (62) are respectively connected in communication with the first pressure air bag (74) through air guide pipes, and first and second electric control valves (65) and (66) are respectively mounted on the two air guide pipes; The second connecting block (38) is provided with a second switch mechanism (8) for controlling the second cutting disc (46), and the second mounting beam (37) and the second connecting block (38) are provided with a movable trigger mechanism (5) for triggering the second switch mechanism (8); The second switch mechanism (8) comprises a second mounting frame (82) fixedly connected with the second connecting block (38), a second proximity switch (85) is mounted on the second mounting frame (82), a second piston plate (81) is slidably connected in the second mounting frame (82), one end of the second piston plate (81) away from the second proximity switch (85) is elastically connected with the inner wall of the second mounting frame (82) through a second spring (83), and one end of the second piston plate (81) away from the second proximity switch (85) is connected with a second pressure air bag (84), and the other end of the second pressure air bag (84) is connected with the inner wall of the second mounting frame (82); The movable trigger mechanism (5) comprises a first side lug (51) fixedly connected with the second mounting beam (37), a third side lug (54) is fixedly connected on the second connecting block (38), a second connecting air bag (55) is mounted on the end face of the third side lug (54) close to the first side lug (51), and the second connecting air bag (55) is arranged opposite to the first side lug (51); a second side lug (52) is also fixedly connected on the second connecting block (38), a first connecting air bag (53) is mounted on the end face of the second side lug (52) away from the second mounting beam (37); the first and second connecting air bags (53) and (55) are respectively connected in communication with the second pressure air bag (84) through communication pipes, and first and second electromagnetic valves (56) and (57) are respectively mounted on the two communication pipes.

2. A weeding machine according to claim 1, wherein The support mechanism (3) further comprises a sliding rail (32) fixedly connected with the mounting plate (2), and the first mounting beam (33) is slidingly connected on the sliding rail (32).

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