Automatic mulching film cutting and fixing device of rice mulching transplanter

Abstract

The utility model discloses an automatic mulching film cutting and fixing device of a rice mulching transplanter, which relates to the technical field of agricultural machinery and automatic control and comprises a fixing frame, a sliding frame is slidably connected to the inner wall of the fixing frame, and the sliding frame is fixed with the fixing frame through bolts. A mulching film supporting and adjusting assembly, a mulching film cutting assembly and a mulching film fixing assembly are arranged outside the fixing frame. When the rice film mulching transplanter is used for rice planting, automatic cutting and fixing of mulching films can be achieved, the accuracy of the cutting length and the fixing position of each film section is ensured, material waste is reduced, the whole process is automatically executed by a control system, manual operation is reduced, efficiency is improved, and the labor intensity of workers is reduced. The method can be suitable for different terrains and working environments, ensures the working stability and consistency, is especially suitable for scenes with large-area or high-precision requirements, and provides an effective solution for modern agriculture.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and automatic control, in particular to an automatic ground film cutting and fixing device of a rice film covering and transplanting machine. Background Art

[0002] Agricultural mechanization and automation mainly study the basic knowledge and skills in agronomy, mechanics, automation technology and business management, and carry out the design, manufacture, testing and maintenance of agricultural machinery and equipment. It applies advanced agricultural machinery and equipment to traditional agricultural production to achieve the improvement of agricultural production technology level and production efficiency. Common agricultural machinery and equipment include rice transplanters, automatic cotton harvesters, automatic wheat harvester and thresher, etc.

[0003] Rice is one of the main food crops in my country. With the gradual improvement of people's living conditions, people's demand for healthy rice is also increasing. Since mulching has the advantages of saving water and moisture, preventing weeds, and increasing ground temperature, it has gradually become a key technology for rice cultivation. However, in the process of agricultural mulching and greenhouse construction, manual cutting and fixing of the mulch are required frequently, which is inefficient and complicated to operate, affecting the overall work efficiency. To this end, we provide an automatic mulch cutting and fixing device for a rice mulching transplanter to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide an automatic mulch film cutting and fixing device for a rice mulching and transplanting machine.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic ground film cutting and fixing device for a rice mulching transplanter, comprising a fixing frame, the inner wall of the fixing frame is slidably connected to a sliding frame, and the sliding frame is fixed to the fixing frame by bolts, and the outside of the fixing frame is provided with a ground film support and adjustment component, a ground film cutting component and a ground film fixing component, the ground film support and adjustment component is used to support the ground film and ensure the flatness of the covering film laying, the ground film cutting component is used to cut the ground film, and the ground film fixing component is used to fix the ground film to ensure the stability of the ground film during the laying process, and the bottom surface of the fixing frame is installed with a length sensor, a position sensor and a tension sensor.

[0006] Furthermore, the ground film support adjustment assembly includes a fixed frame fixedly connected to the sliding frame, and a support rod arranged outside the fixed frame, the inner wall of the fixed frame is threadedly connected with an adjusting bolt, the inner wall of the fixed frame is slidably connected with a slide plate rotatably connected to the adjusting bolt, the bottom surface of the slide plate is fixedly connected to a limit hook, and the limit hook is rotatably connected to the support rod, the outer surface of the support rod is sleeved with a film roll, and rotating the adjusting bolt can drive the slide plate to slide up and down in the inner wall of the fixed frame, thereby driving the limit hook to move up and down, and the limit hook can limit the support rod. The film roll is sleeved on the outer surface of the support rod and is used for film covering operations in rice planting.

[0007] Furthermore, the outer surface of the fixed frame is fixedly connected to a fixed plate, and the inner wall of the fixed plate is installed with an electric push rod, the telescopic end of the electric push rod is fixedly connected to a first servo motor, and the output shaft of the first servo motor is slidably connected to the support rod. When the electric push rod is powered on and started, its telescopic end is telescoped, which can drive the output shaft of the first servo motor to slide into the support rod, thereby realizing the limited fixation of the support rod. When the first servo motor is powered on and started, it can drive the support rod to rotate, evenly unfold the ground film from the film roll, and maintain appropriate tension to ensure the flatness of the film during laying.

[0008] Furthermore, the ground film cutting assembly includes a first servo electric cylinder installed on the bottom surface of the fixed frame, the telescopic end of the first servo electric cylinder is fixedly connected to the first support frame, the outer surface of the first support frame is installed with a second servo motor, the output shaft end of the second servo motor is fixedly connected to a screw rotatably connected to the first support frame, the outer surface of the screw is threadedly connected to a slider slidably connected to the first support frame, when the first servo electric cylinder is powered on and started, its telescopic end is extended and retracted, which can drive the first support frame to move up and down, when the second servo motor is powered on and started, it can drive the screw to rotate forward and reverse, thereby driving the screw to slide back and forth along the inner wall of the first support frame.

[0009] Furthermore, the inner wall of the slider is threadedly connected to an adjusting rod, and the outer surface of the adjusting rod is fixedly connected to a clamping plate for limiting and fixing the cutting knife. Rotating the adjusting rod can drive the clamping plate to move, thereby clamping and fixing the cutting knife, and the cutting knife can be disassembled and replaced according to the material and thickness of the ground film.

[0010] Furthermore, the ground film fixing assembly includes a second servo electric cylinder installed on the bottom surface of the fixing frame. The telescopic end of the second servo electric cylinder is provided with a detachable and replaceable heat sealing plate. The second servo electric cylinder is installed on the bottom surface of the fixing frame. When the second servo electric cylinder is powered on and started, its telescopic end is extended and retracted, which can drive the heat sealing plate to move up and down, so that the ground film can be fixed after the ground film is cut, ensuring its stability during the laying process, and the heat sealing plate can be removed and replaced.

[0011] Furthermore, the bottom surface of the fixed frame is fixedly connected to a telescopic rod, the bottom end of the telescopic rod is fixedly connected to a second support frame, the inner wall of the second support frame is rotatably connected to a rolling wheel, the outer surface of the telescopic rod is sleeved with a buffer spring, the two ends of the buffer spring are respectively fixedly connected to the fixed frame and the second support frame, and the laying film can be rolled by the rolling wheel to maintain its stability. When the paved ground is uneven, the rolling wheel can compress the buffer spring to cause it to produce elastic deformation. Under the resetting action of the buffer spring, stable rolling of the ground film can be achieved, so that the degree of rolling of the ground film can be adjusted according to the terrain.

[0012] Furthermore, a rotating wheel is installed on the outer surface of the sliding frame, which can facilitate the movement of the automatic cutting and fixing film device of the rice film covering transplanter, thereby improving the convenience during use and rolling the film. The upper surface of the fixed frame is fixedly connected with a connecting block for connecting the rice film covering transplanter, which can facilitate the connection between the automatic cutting and fixing film device of the rice film covering transplanter and the rice film covering transplanter through the connecting block.

[0013] Compared with the existing technology, the automatic cutting and fixing device of the rice mulching transplanter has the following beneficial effects:

[0014] 1. The utility model can realize automatic cutting and fixing of ground film when using the rice film covering transplanter for rice planting, ensure the accuracy of the cutting length and fixing position of each section of film, reduce material waste, and the entire process is automatically executed by the control system, reducing manual operation and improving efficiency. It can be applied to different terrains and working environments, and ensures operation stability and consistency. It is especially suitable for scenes with large areas or high precision requirements, and provides an effective solution for modern agriculture.

[0015] 2. The utility model provides a ground film support and adjustment component, which can provide limited support for the ground film and evenly unfold the ground film from the film roll to maintain appropriate tension to ensure the flatness of the ground film during laying. By providing a ground film cutting component, the ground film can be cut at a specified position. By providing a ground film fixing component, the ground film can be fixed to ensure the stability of the ground film during laying. By providing a rotating wheel, the automatic ground film cutting and fixing device of the rice mulching transplanter can be conveniently moved. By providing a telescopic rod, a second support frame, a rolling wheel and a buffer spring, the laid ground film can be rolled to maintain its stability. At the same time, the degree of rolling can be adjusted according to the terrain. By providing a connecting block, the automatic ground film cutting and fixing device of the rice mulching transplanter can be conveniently connected to the rice mulching transplanter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a schematic front view of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a right side schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the local structure of the membrane support and adjustment component of the utility model Figure 1 ;

[0019] Figure 4 This is a schematic diagram of the local structure of the membrane support and adjustment component of the utility model Figure 2 ;

[0020] Figure 5 This is a schematic diagram of the partial structure of the mulch film cutting assembly of the utility model;

[0021] Figure 6 It is a schematic diagram of the local structure of the utility model.

[0022] In the figure: 1. Fixed frame; 2. Sliding frame; 3. Rotating wheel; 401. Fixed frame; 402. Adjusting bolt; 403. Slide plate; 404. Limiting hook; 405. Support rod; 406. Film roll; 407. Fixed plate; 408. Electric push rod; 409. First servo motor; 501. First servo electric cylinder; 502. First support frame; 503. Second servo motor; 504. Screw; 505. Slider; 506. Adjusting rod; 507. Clamp; 601. Second servo electric cylinder; 602. Heat sealing plate; 7. Length sensor; 8. Position sensor; 9. Tension sensor; 10. Telescopic rod; 11. Second support frame; 12. Roller; 13. Buffer spring; 14. Connecting block. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0024] As described in the background technology, during the construction of agricultural mulching and greenhouses, manual cutting and fixing of the mulch is frequently required, which is inefficient and complicated to operate, affecting the overall work efficiency. For this reason, this embodiment provides an automatic mulch cutting and fixing device for a rice mulching transplanter.

[0025] See also Figures 1 to 6 This embodiment proposes an automatic cutting and fixing device for a rice mulching transplanter, including a fixed frame 1, the inner wall of the fixed frame 1 is slidably connected to a sliding frame 2, and the sliding frame 2 is fixed to the fixed frame 1 by bolts. The fixed frame 1 is composed of four stainless steel hollow steels welded together, the sliding frame 2 can slide in the inner wall of the fixed frame 1, and the position of the sliding frame 2 after movement can be limited by bolts.

[0026] The upper surface of the fixing frame 1 is fixedly connected with a connecting block 14 for connecting the rice film mulching transplanter. By providing the connecting block 14, the automatic cutting and fixing film device of the rice film mulching transplanter can be conveniently connected to the rice film mulching transplanter.

[0027] The outside of the fixing frame 1 is provided with a ground film support and adjustment component, a ground film cutting component and a ground film fixing component. The ground film support and adjustment component is used to support the ground film and ensure the flatness of the covering film laying, and to evenly unfold the ground film from the film roll 406 to maintain appropriate tension to ensure the flatness during the ground film laying process.

[0028] A rotating wheel 3 is installed on the outer surface of the sliding frame 2. By setting the rotating wheel 3, the automatic cutting and fixing film device of the rice film covering transplanter can be conveniently moved, thereby improving the convenience during use and rolling the film.

[0029] The bottom surface of the fixed frame 1 is equipped with a length sensor 7, a position sensor 8 and a tension sensor 9, which can realize real-time monitoring of the film conveying length and status. At the same time, the automatic cutting and fixing film device of the rice film covering transplanter is installed with a control system. The control system uses a PLC controller or a single-chip microcomputer to control each part, including sensor detection, signal processing, and control of film conveying, cutting and fixing, thereby ensuring the coordination and accuracy of the entire operation process.

[0030] The ground film support adjustment assembly includes a fixed frame 401 fixedly connected to the sliding frame 2, and a support rod 405 arranged on the outside of the fixed frame 1. The inner wall of the fixed frame 401 is threadedly connected with an adjusting bolt 402, and the inner wall of the fixed frame 401 is slidingly connected with a slide plate 403 rotatably connected to the adjusting bolt 402. The bottom surface of the slide plate 403 is fixedly connected with a limiting hook 404, and the limiting hook 404 is rotatably connected to the support rod 405. The outer surface of the support rod 405 is provided with a film roll 406.

[0031] The fixed frame 401 is fixed to the inner wall of the fixed frame 1. By rotating the adjusting bolt 402, the slide plate 403 can be driven to slide up and down in the inner wall of the fixed frame 401, thereby driving the limiting hook 404 to move up and down. The limiting hook 404 can provide limited support for the support rod 405. The film roll 406 is sleeved on the outer surface of the support rod 405 and is used for film covering operations in rice planting.

[0032] The outer surface of the fixed frame 401 is fixedly connected to a fixed plate 407 , the inner wall of the fixed plate 407 is installed with an electric push rod 408 , the telescopic end of the electric push rod 408 is fixedly connected to a first servo motor 409 , and the output shaft of the first servo motor 409 is slidably connected to the support rod 405 .

[0033] The fixed plate 407 is fixed to the outer surface of the fixed frame 401, and the electric push rod 408 is installed on the inner wall of the fixed plate 407. When the electric push rod 408 is powered on and started, its telescopic end is extended and retracted, which can drive the output shaft of the first servo motor 409 to slide into the support rod 405, thereby achieving the limited fixation of the support rod 405. When the first servo motor 409 is powered on and started, it can drive the support rod 405 to rotate and unfold the ground film from the film roll 406.

[0034] The first servo motor 409 may be provided with a speed regulating mechanism to adjust the rotation speed of the first servo motor 409 so that the ground film can be evenly unrolled from the film roll 406 , maintaining appropriate tension and ensuring flatness during film laying.

[0035] The ground film cutting assembly is used to cut the ground film, and the ground film fixing assembly is used to fix the ground film to ensure the stability of the ground film during the laying process.

[0036] The mulch cutting assembly includes a first servo electric cylinder 501 installed on the bottom surface of the fixed frame 1, the telescopic end of the first servo electric cylinder 501 is fixedly connected to the first support frame 502, the outer surface of the first support frame 502 is installed with a second servo motor 503, the output shaft end of the second servo motor 503 is fixedly connected to a screw 504 rotatably connected to the first support frame 502, and the outer surface of the screw 504 is threadedly connected to a slider 505 slidably connected to the first support frame 502.

[0037] The first servo electric cylinder 501 is installed on the bottom surface of the fixed frame 1. When the first servo electric cylinder 501 is powered on and started, its telescopic end is extended and retracted, which can drive the first support frame 502 to move up and down. The second servo motor 503 is installed on the outer surface of the first support frame 502. When the second servo motor 503 is powered on and started, it can drive the screw 504 to rotate forward and reverse, thereby driving the screw 504 to slide back and forth along the inner wall of the first support frame 502.

[0038] The inner wall of the slider 505 is threadedly connected to an adjusting rod 506, and the outer surface of the adjusting rod 506 is fixedly connected to a clamping plate 507 for limiting and fixing the cutting knife. The slider 505 can drive the adjusting rod 506 to move. Rotating the adjusting rod 506 can drive the clamping plate 507 to move, so that the cutting knife can be clamped and fixed, and the cutting knife can be disassembled and replaced according to the material and thickness of the ground film.

[0039] The ground film fixing assembly includes a second servo electric cylinder 601 installed on the bottom surface of the fixing frame 1. The telescopic end of the second servo electric cylinder 601 is provided with a detachable and replaceable heat sealing plate 602.

[0040] The heat sealing plate 602 can be heated in a variety of ways. The second servo electric cylinder 601 is installed on the bottom surface of the fixed frame 1. When the second servo electric cylinder 601 is powered on and started, its telescopic end is extended and retracted, which can drive the heat sealing plate 602 to move up and down, so that the ground film can be fixed after cutting, ensuring its stability during the laying process, and the heat sealing plate 602 can be disassembled and replaced.

[0041] The bottom surface of the fixed frame 1 is fixedly connected to a telescopic rod 10, the bottom end of the telescopic rod 10 is fixedly connected to a second support frame 11, the inner wall of the second support frame 11 is rotatably connected to a roller 12, and the outer surface of the telescopic rod 10 is sleeved with a buffer spring 13, and the two ends of the buffer spring 13 are fixedly connected to the fixed frame 1 and the second support frame 11 respectively.

[0042] The telescopic rod 10 is fixed to the bottom surface of the fixed frame 1, and the telescopic rod 10 is fixed to the bottom end of the second support frame 11, and provides limited support for the rolling wheel 12. The rolling wheel 12 can be used to roll the laid ground film to maintain its stability. When the paved ground is uneven, the rolling wheel 12 can compress the buffer spring 13 to cause it to produce elastic deformation. Under the resetting action of the buffer spring 13, stable rolling of the ground film can be achieved, so that the degree of rolling of the ground film can be adjusted according to the terrain.

[0043] The electrical components in the present invention are conventional devices purchased on the market and known to those skilled in the art. The models can be selected or customized according to actual needs. The setting method, installation method and electrical connection method thereof can be debugged and operated according to the requirements of the instruction manual by those skilled in the art, and will not be described in detail here.

[0044] The components in the drawings of the present invention are for reference only and are not for specific size standards. The specific sizes are determined according to the actual requirements of production. At the same time, the materials of the components can be replaced accordingly according to actual needs.

[0045] Working principle: When using the rice mulching transplanter for rice planting, the sliding frame 2 can slide in the inner wall of the fixed frame 1, and the position of the sliding frame 2 after movement can be limited by bolts, so that the automatic cutting and fixing film device of the rice mulching transplanter can be adjusted according to the spacing of rice planting, the film roll 406 is sleeved on the outer surface of the support rod 405, and the support rod 405 is placed on the limit hook 404 for support, and then the electric push rod 408 is connected to the power supply and started, and its telescopic end is extended and retracted, which can drive the first The output shaft of the servo motor 409 slides into the support rod 405, thereby limiting and fixing the support rod 405. When the first servo motor 409 is powered on and started, it can drive the support rod 405 to rotate and unroll the ground film from the film roll 406. The tension sensor 9 can be used to detect the tension of the unrolled ground film, and the ground film is kept at an appropriate tension and laid on the working surface according to the strength of the tension. The length sensor 7 and the position sensor 8 are used to monitor the film conveying length and status in real time. When it is detected that the ground film is conveyed to a predetermined length, the sensor signal triggers the control system to cut. The first servo electric cylinder 501 is powered on and started, and its telescopic end is extended and retracted, which can drive the first support frame 502 to move downward until the cutting knife contacts the ground film. Then, the second servo motor 503 is powered on and started, which can drive the screw 504 to rotate, thereby driving the screw 504 to slide along the inner wall of the first support frame 502, and then driving the cutting knife to move, thereby cutting the ground film. The cutting knife can be adjusted according to the material and thickness of the ground film. The mulch film can be fixed after being cut, and then the second servo electric cylinder 601 is powered on and started, and its telescopic end is extended and retracted, which can drive the heat sealing plate 602 to move downward, so that the mulch film can be fixed after being cut, so that the mulch film is firmly fixed on the ground to prevent displacement, so as to ensure its stability during the laying process, and the heat sealing plate 602 can be disassembled and replaced. After the mulch film is fixed, the automatic mulch film cutting and fixing device of the rice mulching transplanter can be automatically reset to prepare for the laying of the next section of mulch film.

Claims

1. An automatic film cutting and fixing device for a rice film transplanter, comprising a fixing frame (1), characterized in that: The inner wall of the fixing frame (1) is slidably connected to a sliding frame (2), and the sliding frame (2) is fixed to the fixing frame (1) by bolts. The outside of the fixing frame (1) is provided with a ground film support and adjustment component, a ground film cutting component and a ground film fixing component. The ground film support and adjustment component is used to support the ground film and ensure the flatness of the ground film laying. The ground film cutting component is used to cut the ground film. The ground film fixing component is used to fix the ground film to ensure the stability of the ground film during the laying process. The bottom surface of the fixing frame (1) is installed with a length sensor (7), a position sensor (8) and a tension sensor (9).

2. The automatic film cutting and fixing device for a rice film mulching transplanter according to claim 1 is characterized in that: The ground film support and adjustment assembly comprises a fixed frame (401) fixedly connected to the sliding frame (2), and a support rod (405) arranged outside the fixed frame (1), the inner wall of the fixed frame (401) is threadedly connected to an adjusting bolt (402), the inner wall of the fixed frame (401) is slidably connected to a slide plate (403) rotatably connected to the adjusting bolt (402), the bottom surface of the slide plate (403) is fixedly connected to a limiting hook (404), and the limiting hook (404) is rotatably connected to the support rod (405), and the outer surface of the support rod (405) is sleeved with a film roll (406).

3. The automatic film cutting and fixing device for a rice film mulching transplanter according to claim 2 is characterized in that: The outer surface of the fixed frame (401) is fixedly connected to a fixed plate (407), the inner wall of the fixed plate (407) is installed with an electric push rod (408), the telescopic end of the electric push rod (408) is fixedly connected to a first servo motor (409), and the output shaft of the first servo motor (409) is slidably connected to the support rod (405).

4. The automatic film cutting and fixing device for a rice film mulching transplanter according to claim 1 is characterized in that: The ground film cutting assembly includes a first servo electric cylinder (501) installed on the bottom surface of a fixed frame (1), the telescopic end of the first servo electric cylinder (501) is fixedly connected to a first support frame (502), the outer surface of the first support frame (502) is installed with a second servo motor (503), the output shaft end of the second servo motor (503) is fixedly connected to a screw (504) rotatably connected to the first support frame (502), and the outer surface of the screw (504) is threadedly connected to a slider (505) slidably connected to the first support frame (502).

5. The automatic film cutting and fixing device for a rice film mulching transplanter according to claim 4 is characterized in that: The inner wall of the slider (505) is threadedly connected to an adjusting rod (506), and the outer surface of the adjusting rod (506) is fixedly connected to a clamping plate (507) for limiting and fixing the cutting knife.

6. The automatic film cutting and fixing device for a rice film mulching transplanter according to claim 1, characterized in that: The ground film fixing assembly comprises a second servo electric cylinder (601) mounted on the bottom surface of the fixing frame (1), and a removable and replaceable heat sealing plate (602) is provided at the telescopic end of the second servo electric cylinder (601).

7. The automatic film cutting and fixing device for a rice film mulching transplanter according to claim 1, characterized in that: The bottom surface of the fixed frame (1) is fixedly connected to a telescopic rod (10), the bottom end of the telescopic rod (10) is fixedly connected to a second support frame (11), the inner wall of the second support frame (11) is rotatably connected to a roller (12), the outer surface of the telescopic rod (10) is sleeved with a buffer spring (13), and the two ends of the buffer spring (13) are fixedly connected to the fixed frame (1) and the second support frame (11), respectively.

8. The automatic film cutting and fixing device for a rice film mulching transplanter according to claim 1, characterized in that: A rotating wheel (3) is installed on the outer surface of the sliding frame (2), and a connecting block (14) for connecting a rice film-covered transplanter is fixedly connected to the upper surface of the fixed frame (1).

Images