Film mulching equipment for agricultural cultivation

Abstract

The invention relates to the field of agricultural cultivation, in particular to film mulching equipment for agricultural cultivation, and provides the film mulching equipment for agricultural cultivation in order to solve the operation problem that in the prior art, when a mulching film is replaced mainly through manual replacement at present, soil film mulching is not facilitated. Comprising a mounting frame and a transposer rotationally connected to the inner side of the mounting frame, the transposer can be provided with a plurality of film covering cylinders, a support capable of swinging up and down is rotationally arranged at the left end of the mounting frame, a pressing wheel and a soil covering wheel are installed on the front side of the support, and after the film covering cylinders are used, the transposer can be driven to intermittently rotate by lifting the support; when the support is lifted upwards, the pressing wheel and the soil covering wheel can be synchronously lifted upwards, a new mulching film can be conveniently pulled out for use, the operation is repeated, the operation of lifting the pressing wheel and the soil covering wheel and replacing the mulching cylinder can be easily completed, the operation steps of replacing the mulching cylinder by an operator are reduced, and the working efficiency is improved. The use by an operator is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of agricultural cultivation, in particular to a mulching equipment for agricultural cultivation. BACKGROUND

[0002] In the field of agricultural cultivation, mulching technology, as a key means to improve crop yield and improve the growing environment, has been widely used in the planting process of corn, cotton, vegetables and other crops; its core role is to cover the ground surface with plastic film to achieve the effects of soil conservation, temperature increase, weed growth inhibition and reduction of disease and pest transmission, especially in arid and semi-arid areas and low-temperature seasons, which is crucial to guarantee the emergence rate and early growth of crops; with the improvement of agricultural mechanization level, the traditional manual mulching method is gradually replaced by mechanized mulching equipment due to low efficiency, unstable mulching quality, high labor cost and other problems. For example, the patent application file with application number 2019109711247 provided by the prior art discloses a land mulching machine, which comprises a bottom plate, wheels, a pull rod, a vertical plate, a cylinder, a fixing device, a first bearing seat and the like; two wheels are rotatably installed on the left part of the front and rear sides of the bottom plate, the pull rod is installed on the top left side of the bottom plate, and the vertical plate is fixedly connected to the top left rear part of the bottom plate. The present application is characterized in that the plastic film is sleeved on the cylinder, then fixed by the arc-shaped plate, the head end of the plastic film is moved to contact the land through the opening, and then the plastic film is inserted into the land through the sleeve, so that the device can be moved to the left to cover the plastic film on the land, without the need for two people to hold the two ends of the plastic film to cover it on the land, which is more convenient. For example, the patent application file with application number 202111107173X discloses an agricultural seedling raising land mulching machine and its use method, which is characterized in that the moving wheels roll on the land, the soil retaining plate pushes the soil to the two sides of the film and compacts the soil on both sides of the film, the soil retaining disc pushes the soil to the outside of the moving wheels, the soil enters the soil receiving cover and moves along the soil moving groove one and the soil moving groove two to the middle part of the positioning column, and then falls to the top surface of the film, so that the top of the film is compacted with soil, the top of the film is compacted with soil, and the film is combined together, thereby improving the working efficiency of mulching. However, in the process of land mulching in specific agricultural construction, due to the large area of land, multiple rows of mulching are generally used when mulching the land, and the large area of mulching film represents a large area of mulching film, which is not enough to cover the soil to be covered in normal construction, and needs to be replaced multiple times during use. At present, manual replacement is mainly used, which is not conducive to the operation of soil mulching. SUMMARY

[0003] The present application provides a mulching equipment for agricultural cultivation to effectively solve the problems mentioned in the background art.

[0004] To solve the above problems, the technical scheme adopted by the present application is: A film coating device for agricultural cultivation, comprising a film coating cylinder, further comprising a mounting frame and a transposer rotatably connected to the inside of the mounting frame, the transposer can install multiple film coating cylinders, the left end of the mounting frame is rotatably provided with a support capable of swinging up and down, the front side of the support is respectively provided with a press wheel and a soil covering wheel; A clutch is installed between the support and the transposer, the transmission and disconnection between the support and the transposer can be controlled through the clutch, when the driving structure is connected to the transmission of the support and the transposer respectively, the intermittent rotation of the transposer can be driven by controlling the upward swinging of the support, and each time the transposer rotates intermittently, one film coating cylinder can be located on the front side; The front sides of the two supports are rotatably connected to a cutting knife capable of swinging inward, and the driving structure comprises a handle capable of swinging forward and backward, which serves as a control end of the clutch, when the handle swings forward to drive the clutch to connect with the support for transmission, the structure of the cutting knife swinging inward is formed.

[0005] Further, the transposer comprises a rotating plate rotatably connected to the inside of the mounting frame, the surface of the rotating plate is uniformly rotatably connected to a plurality of mounting rods arranged in a ring shape, the other end of the mounting rod is provided with a threaded hole, the other end of the mounting rod is provided with a baffle, the middle part of the baffle is fixedly connected to a connecting screw rod, and the baffle is screwedly connected to the threaded hole through the connecting screw rod; The left end of the mounting plate is coaxially fixedly connected to a grooved wheel, one side of the grooved wheel is engaged with a driving dial, the driving dial is rotatably connected to the mounting frame and the output end of the clutch, and the grooved wheel can be intermittently rotated when the driving dial rotates, and one mounting rod can be rotated to the front side every time the grooved wheel rotates.

[0006] Further, a recess is formed downward on the right end of the mounting frame, and the recess corresponds to one of the baffles.

[0007] Further, one end of the driving dial is coaxially fixedly connected to a driven gear, the rear side of the driven gear is engaged with a driving gear, the driving gear serves as the output end of the clutch, and the driving gear is rotatably connected to the inner wall of the mounting frame; the inner side of the driving gear is coaxially fixedly connected to an inner ratchet wheel, the inner side of the inner ratchet wheel is provided with a rotating disc, the circumferential surface of the rotating disc is fixedly connected to a plurality of elastic ratchet plates, the outer ends of the elastic ratchet plates are respectively engaged with the inner ratchet wheel, and the elastic ratchet plates and the inner ratchet wheel can drive the driving gear to rotate in one direction.

[0008] Further, the support frame comprises a swing plate and a support plate fixedly connected to the front end of the swing plate, the inner end of the swing plate is fixedly connected with an installation cylinder, the end of the installation cylinder facing the rotating disc is provided with a first end face gear capable of moving along the axial direction, the handle is rotatably connected with the swing plate, and the handle can form a structure capable of reciprocating the first end face gear along the axial direction when the handle swings up and down; the surface of the rotating disc is coaxially fixedly connected with a second end face gear capable of meshing with the first end face gear, and the rotating disc can be driven to rotate by controlling the swing plate to swing up and down when the first end face gear meshes with the second end face gear.

[0009] Further, the surface of the first end face gear is coaxially fixedly connected with a connecting cylinder, the connecting cylinder is located on the inner side of the installation cylinder, the surface of the first end face gear on the upper and lower sides of the connecting cylinder is fixedly connected with a limiting rod, and the limiting rod is slidably connected along the axial direction of the installation cylinder. The end of the handle facing the first end face gear is fixedly connected with a control rod, the surface of the control rod is fixedly connected with a matching pin shaft, the inner wall of the connecting cylinder is provided with a guide groove, and the matching pin shaft and the guide groove are in sliding fit; when the control rod rotates, the first end face gear can be driven to reciprocate along the axial direction of the control rod through the sliding fit of the matching pin shaft and the guide groove.

[0010] Further, the end of the handle rotatably connected with the swing plate is in an arc structure, the circumferential surface of the arc structure is provided with two tooth grooves, the two tooth grooves are vertically distributed at an angle of 90 degrees, the swing surface on the rear side of the handle is hingedly connected with a limiting claw capable of swinging forward and backward, the other end of the limiting claw is engaged with one of the tooth grooves, and the rear side of the limiting claw is provided with a spring plate, one end of the spring plate is fixedly connected with the swing plate, and the other end abuts against the rear side surface of the limiting claw.

[0011] Further, the left and right ends of the cutting knife are fixedly connected with connecting shafts, the other ends of the connecting shafts are rotatably connected with the swing plate, the surface of the connecting shaft corresponding to the handle is fixedly connected with a swing rod, the surface of the handle is hingedly connected with a hinge rod, and the other end of the hinge rod is hingedly connected with the swing rod. The cutting edge of the cutting knife is provided with a sawtooth-shaped sawing opening.

[0012] Further, the front sides of the left and right ends of the installation frame are hingedly connected with support rods capable of swinging up and down, the front ends of the two support rods are rotatably connected with a tension roller, the front side of the surface of the swing plate is provided with an arc-shaped groove, the arc-shaped groove is coaxial with the swing point of the support rod, the surface of the support rod is fixedly connected with a connecting pin shaft, and the other end of the connecting pin shaft is slidably connected with the arc-shaped groove.

[0013] Further, one side of the covering wheel is rotatably connected with an installation plate, the upper end of the installation plate is fixedly connected with an installation screw rod, the front end of the support plate is rotatably connected with the installation screw rod, and the upper side of the installation screw rod is threadedly connected with a reinforcing nut. The outer end of the compression wheel is rotationally connected with a connecting block respectively, the upper end of the connecting block is fixedly connected with connecting rods on the front and back sides respectively, the connecting rods are vertically slidably connected with the supporting plate, the upper end of the connecting rod is fixedly connected with a top cap respectively, and a supporting spring is sleeved on the surface of the connecting rod respectively, and the supporting spring is located between the connecting block and the supporting plate respectively; The circumferential surface of the soil covering wheel is provided with a plurality of concave surfaces respectively.

[0014] The application has the following advantages compared with the prior art: 1. The device can be moved under the movement of the agricultural machine, and the compression wheel can compact the geofilm on both sides during the movement of the device. The geofilm can be continuously pulled out and covered on the land during the compression and rolling of the compression wheel on the surface of the geofilm, so as to compact the surface of the land. After the film is covered, the soil covering wheels on both sides can cover the soil on both sides to the geofilm, bury the geofilm on both sides, and fix the geofilm, so as to avoid the geofilm from being blown away by the wind. 2. The film covering cylinder can be intermittently rotated by lifting the support to drive the positioner, so that the new film covering cylinder is rotated to the front side for use. When the support is lifted upward, the compression wheel and the soil covering wheel are lifted upward synchronously, so that the new geofilm can be pulled out for use. The above operation can easily complete the lifting of the compression wheel and the soil covering wheel and the replacement of the film covering cylinder, reduce the operation steps of the operator, and facilitate the use of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first schematic view of the overall structure of the film covering equipment for agricultural cultivation.

[0016] Figure 2 It is a second schematic view of the overall structure of the film covering equipment for agricultural cultivation.

[0017] Figure 3 It is a first schematic view of the positioner exploded structure of the film covering equipment for agricultural cultivation.

[0018] Figure 4 It is a second schematic view of the positioner exploded structure of the film covering equipment for agricultural cultivation.

[0019] Figure 5 It is a first schematic view of the clutch structure of the film covering equipment for agricultural cultivation.

[0020] Figure 6 It is a second schematic view of the clutch structure of the film covering equipment for agricultural cultivation.

[0021] Figure 7A third schematic view of a clutch structure of a mulching device for agricultural cultivation according to the present application.

[0022] Figure 8 A schematic view of a handle limiting structure of a mulching device for agricultural cultivation according to the present application.

[0023] Figure 9 A schematic view of a support structure of a mulching device for agricultural cultivation according to the present application.

[0024] Figure 10 A schematic view of a cutting knife structure of a mulching device for agricultural cultivation according to the present application.

[0025] Figure 11 A schematic view of a tension roller structure of a mulching device for agricultural cultivation according to the present application.

[0026] Figure 12 A schematic view of a transmission structure between a cutting knife and a handle of a mulching device for agricultural cultivation according to the present application.

[0027] Figure 13 A schematic view of a connection relationship between a swing plate and a support rod of a mulching device for agricultural cultivation according to the present application.

[0028] Figure 14 A schematic view of a press wheel installation structure of a mulching device for agricultural cultivation according to the present application.

[0029] Figure 15 A schematic view of a structure at A of a mulching device for agricultural cultivation according to the present application. Figure 14

[0030] Reference numerals in the figure: 1 - mounting frame, 2 - connecting frame, 3 - rotating plate, 4 - mounting rod, 5 - baffle, 6 - connecting screw, 7 - groove wheel, 8 - driving pulley, 9 - driven gear, 10 - threaded hole, 11 - driving gear, 12 - internal ratchet, 13 - rotating disc, 14 - elastic ratchet plate, 15 - second face gear, 16 - first face gear, 17 - limiting rod, 18 - linkage cylinder, 19 - guide groove, 20 - control rod, 21 - matching pin shaft, 22 - mounting cylinder, 23 - swing plate, 25 - limiting claw, 26 - tooth groove, 27 - spring plate, 28 - handle, 29 - hinged rod, 30 - swing rod, 31 - cutting knife, 32 - sawing gap, 33 - support rod, 34 - tension roller, 35 - arc-shaped groove, 36 - connecting pin shaft, 37 - support plate, 38 - press wheel, 39 - soil covering wheel, 40 - connecting block, 41 - connecting rod, 42 - support spring, 43 - top hat, 44 - reinforcing nut, 45 - electric telescopic rod. DETAILED DESCRIPTION

[0031] ​The following are specific embodiments of the present application, and the technical solutions of the present application are further described in conjunction with the drawings, but the present application is not limited to these embodiments.

[0032] As Figures 1-15 shown, the present application provides a film laying device for agricultural cultivation, comprising a film laying cylinder, further comprising a mounting frame 1 and a transposer rotatably connected to the inner side of the mounting frame 1, the transposer can install multiple film laying cylinders, the left end of the mounting frame 1 is rotatably provided with a support capable of swinging up and down, the front side of the support is respectively provided with a press wheel 38 and a soil covering wheel 39, in use, the mulch film on the surface of the film laying cylinder is pulled out and placed on the ground, then the support is controlled to flip down, the press wheel 38 is placed on the left and right sides of the upper side of the mulch film, the soil covering wheel 39 is placed on both sides of the mulch film and in the soft soil, the soil covering wheel 39 is in a state of inclining from the front side to the inner side; the left and right sides of the mounting frame 1 are respectively hinged with an electric push rod 45, the other end of the electric push rod 45 is respectively hinged with the support, the extension and retraction of the electric push rod 45 can conveniently drive the support to swing; the rear side of the mounting frame 1 is fixedly connected with a connecting frame 2 for connecting with agricultural machines such as soil loosening vehicles, tractors and the like, the device is moved under the movement of the agricultural machines, in the process of movement of the device, the press wheel 38 can compact the mulch film on both sides, and in the process of rolling on the surface of the mulch film during the movement of the agricultural machines, the mulch film can be continuously pulled out and covered on the land, achieving the effect of mulching the surface of the land, after mulching, the soil covering wheels 39 on both sides can cover the soil on both sides to the both sides of the mulch film, burying the both sides of the mulch film, achieving the effect of fixing the mulch film, avoiding the mulch film from being blown away by the wind; Further, a clutch is installed between the support and the transposer, the transmission and disconnection between the support and the transposer can be controlled through the clutch, when the driving structure is connected and transmitted with the support and the transposer respectively, the intermittent rotation of the transposer can be driven by controlling the upward swinging of the support, when the mulch film on the surface of the film laying cylinder being used is used up and needs to be replaced, the transmission between the support and the transposer can be achieved by controlling the clutch, the intermittent rotation of the transposer can be driven by controlling the upward swinging of the support, and each time the transposer is intermittently rotated once, a film laying cylinder can be located at the front side, thereby achieving the effect of replacing the film laying cylinder; and when the support swings upward, the press wheel 38 and the film laying wheel swing upward synchronously to move away from the ground, at the same time, when the support swings upward, the transposer is intermittently rotated once, a new film laying cylinder is located at the front side, then the support swings downward to press the press wheel 38 to the both sides of the mulch film; through the above operation, after the film laying cylinder is used up, the operation of lifting the press wheel 38 and the soil covering wheel 39 and replacing the film laying cylinder can be easily completed, the operation steps of the operator for replacing the film laying cylinder are reduced, and the operator is facilitated to use; Further, the front side of the two supports is rotationally connected with a cutting knife 31 capable of oscillating inwardly, the driving structure comprises a handle 28 capable of oscillating forward and backward, which serves as a control end of the clutch, when the handle 28 oscillates forward to drive the clutch to connect with the support transmission, the structure of the cutting knife 31 oscillating inwardly is formed; the handle 28 can be used in the conversion of the replacement of the mulch covering position during operation; when the mulch is not used up and needs to be replaced to the other side for mulch covering after one row of land ridge covering is completed, the handle 28 can be controlled to oscillate to one side, thereby driving the cutting knife 31 to oscillate inwardly to cut off the lower mulch, then the handle 28 is reversely oscillated to reset, thereby driving the cutting knife 31 to oscillate outwardly to reset; when the mulch of one mulch cylinder is used up, the handle 28 can also be controlled to oscillate to one side, which not only drives the cutting knife 31 to oscillate inwardly to separate the remaining mulch from the bonding end of the mulch cylinder, but also drives the clutch to connect the support and the positioner for transmission, so as to conveniently lift the press wheel 38 and the soil covering wheel 39 and replace the new mulch cylinder.

[0033] As Figure 3 The positioner comprises a rotating plate 3 rotationally connected to the inner side of the mounting frame 1, a plurality of mounting rods 4 in annular distribution are uniformly rotationally connected to the surface of the rotating plate 3, a threaded hole 10 is formed in the other end of each mounting rod 4, a baffle 5 is arranged at the other end of each mounting rod 4, a connecting screw rod 6 is fixedly connected to the middle part of each baffle 5, and the baffle 5 is threadedly connected with the threaded hole 10 through the connecting screw rod 6. The mulch cylinder is mounted on the surface of the mounting rod 4 and is threadedly connected with the threaded hole 10 through the connecting screw rod 6, and the baffle 5 is mounted at the other end of the mounting rod 4 to block the mulch cylinder and prevent the mulch cylinder from falling off. When a new mulch cylinder is replaced, the mulch cylinder can be disassembled by rotating the baffle 5 Further, a groove wheel 7 is fixedly connected to the left end of the mounting plate coaxially, a driving pulley 8 is engaged on one side of the groove wheel 7, the driving pulley 8 is rotationally connected with the mounting frame 1 and is connected with the output end of the clutch, and the driving pulley 8 can drive the groove wheel 7 to intermittently rotate when the driving pulley 8 rotates, and the groove wheel 7 can drive one mounting rod 4 to rotate to the front side each time. The number of times of rotation of the mounting plate each time is related to the number of mounting rods 4. In this embodiment, the number of mounting rods 4 is six, and the angle between the adjacent two mounting rods 4 is sixty degrees. Therefore, the mechanism of the driving pulley 8 and the groove wheel 7 is a sixty-degree groove wheel mechanism, and the driving pulley 8 can drive the groove wheel 7 to rotate by sixty degrees each time, thereby enabling the mounting plate to drive a new mulch cylinder to rotate to the front side each time.

[0034] Further, in order to facilitate the used film coating cylinder disassembly, and replace the new film coating cylinder, the right end of the installation frame 1 is downwardly provided with a recess corresponding to one of the baffle 5, when the film coating cylinder surface film is used up, the film coating cylinder can be rotated to the position of the recess, facilitating the rotation disassembly baffle 5 to replace the new film coating cylinder.

[0035] As shown in Figure 5 and Figure 6 The one end of the driving dial 8 is coaxially fixedly connected with a driven gear 9, the rear side of the driven gear 9 is engaged with a driving gear 11, the driving gear 11 is the output end of the clutch, the driving gear 11 is rotatably connected with the inner wall of the installation frame 1; the inner side of the driving gear 11 is coaxially fixedly connected with an inner ratchet wheel 12, the inner side of the inner ratchet wheel 12 is provided with a rotating disc 13, the circumferential surface of the rotating disc 13 is fixedly connected with a plurality of elastic ratchet plates 14, the elastic ratchet plates 14 have elasticity, the outer end of the elastic ratchet plates 14 is engaged with the inner ratchet wheel 12 through the elasticity of the elastic ratchet plates 14, the elastic ratchet plates 14 can drive the driving gear 11 to rotate in one direction under the engagement of the elastic ratchet plates 14 and the inner ratchet wheel 12; The support includes a swing plate 23 and a support plate 37 fixedly connected to the front end of the swing plate 23, the inner end of the swing plate 23 is fixedly connected with the mounting cylinder 22, the one end of the mounting cylinder 22 towards the rotating disc 13 is provided with a first end face gear 16 capable of moving along the axial direction, the handle 28 is rotatably connected with the swing plate 23, the handle 28 can constitute the structure of the first end face gear 16 reciprocating along the axial direction when the handle 28 swings up and down; the surface of the rotating disc 13 is coaxially fixedly connected with a second end face gear 15 capable of engaging with the first end face gear 16, the first end face gear 16 is driven to engage with the second end face gear 15 when the handle 28 swings upward, when the first end face gear 16 engages with the second end face gear 15, the rotating disc 13 can be driven to rotate by controlling the swing plate 23 to swing up and down, the swing plate 23 can drive the entire support to swing upward when the swing plate 23 swings upward, constituting the effect that the support drives the rotating disc 13 to rotate when the support swings upward, the driving gear 11 is driven to rotate in one direction through the engagement of the elastic ratchet plates 14 and the inner ratchet wheel 12; When the swing plate 23 swings downward, the whole bracket is swung downward, thereby driving the rotating disc 13 to rotate reversely to reset, so that the elastic ratchet plate 14 is continuously engaged on the inner side of the inner ratchet wheel 12, but the driving gear 11 cannot be continuously rotated; the number of teeth of the driving gear 11 is greater than that of the driven gear 9, when the driving gear 11 rotates by 90 degrees, the driven gear 9 can be rotated by one turn, the bracket is swung by 90 degrees each time, thereby driving the driving gear 11 to rotate by 90 degrees, which forms the effect that when the bracket swings upward, the driven gear 9 can be rotated by one turn; when the driven gear 9 rotates by one turn, the driving pinwheel 8 can be rotated by one turn, thereby driving the notch wheel 7 to rotate intermittently; and the driving pinwheel 8 and the notch wheel 7 can have a self-locking effect when they are engaged and driven, which can ensure the stability of the rotating of the transposer.

[0036] Further, the surface of the first face gear 16 is coaxially and fixedly connected with a connecting cylinder 18, the connecting cylinder 18 is located on the inner side of the mounting cylinder 22, the surfaces of the first face gear 16 on the upper and lower sides of the connecting cylinder 18 are respectively fixedly connected with limiting rods 17, the limiting rods 17 are respectively slidably connected along the axial direction of the mounting cylinder 22, the limiting rods 17 can limit the positions, so that the connecting cylinder 18 can stably move along the axial direction. One end of the handle 28 towards the first face gear 16 is fixedly connected with a control rod 20, the surface of the control rod 20 is fixedly connected with a matching pin shaft 21, the inner wall of the connecting cylinder 18 is provided with a driving groove 19, the driving groove 19 is an inclined arc groove 35 structure, the matching pin shaft 21 is slidably matched with the driving groove 19, when the control rod 20 rotates, the first face gear 16 can be reciprocally moved along the axial direction of the control rod 20 through the sliding matching of the matching pin shaft 21 and the driving groove 19, thereby conveniently driving the first face gear 16 to move towards the second face gear 15 and be engaged and driven with the second face gear 15, so that the bracket can drive the transposer to rotate.

[0037] Further, in order to improve the stability of the handle 28, the end of the handle 28 rotatably connected with the swing plate 23 is in an arc structure, two tooth grooves 26 are arranged on the circumferential surface of the arc structure, the two tooth grooves 26 are vertically distributed at 90 degrees, the swing surface of the rear side of the handle 28 is respectively hingedly connected with a limiting claw 25 capable of swinging forward and backward, the other end of the limiting claw 25 is engaged with one of the tooth grooves 26, a spring plate 27 is arranged on the rear side of the limiting claw 25, one end of the spring plate 27 is fixedly connected with the swing plate 23, the other end of the spring plate 27 abuts against the rear side surface of the limiting claw 25, the limiting claw 25 is engaged with the tooth groove 26 under the pushing of the spring plate 27, the two side upper ends of the tooth groove 26 are in an outwardly inclined structure, one end of the limiting claw 25 cooperates with the tooth groove 26, when the handle 28 swings, the inclined surface structure of the inner wall of the tooth groove 26 can push the limiting claw 25 to swing outwardly, and press the spring plate 27, so that the limiting claw 25 is disengaged from the tooth groove 26, facilitating the swinging of the handle 28; when the handle 28 swings to the other end, the limiting claw 25 is re-engaged with the tooth groove 26 under the pushing of the spring plate 27, limiting the handle 28.

[0038] Further, as shown in Figure 9 and Figure 10 the left and right ends of the cutting knife 31 are respectively fixedly connected with connecting shafts, the other ends of the connecting shafts are respectively rotatably connected with the swing plate 23, the surface of the connecting shaft corresponding to the handle 28 is fixedly connected with a swing rod 30, the surface of the handle 28 is hingedly connected with a hinge rod 29, the other end of the hinge rod 29 is hingedly connected with the swing rod 30, when the handle 28 swings, the swing rod 30 can be driven to swing under the transmission of the hinge rod 29, when the swing rod 30 swings, the cutting knife 31 can be driven to swing inwardly, when the handle 28 swings in the opposite direction, the cutting knife 31 is driven to swing to the other side for resetting; further, a sawtooth-shaped sawing gap 32 is arranged at the cutting edge of the cutting knife 31, so that the cutting edge of the cutting knife 31 is provided with a plurality of sharp ends, when the cutting knife 31 swings inwardly, the cutting edge provided with the sawing gap 32 can more effectively break the mulch, facilitating the use of the operator.

[0039] Further, the left and right ends of the mounting frame 1 are respectively hinged with a support rod 33 capable of swinging up and down, the front ends of the two support rods 33 are rotatably connected with a tension roller 34, the surface of the swing plate 23 is provided with an arc-shaped slot 35, the arc-shaped slot 35 is coaxial with the swing point of the support rod 33, the surface of the support rod 33 is fixedly connected with a connecting pin shaft 36, the other end of the connecting pin shaft 36 is in sliding fit with the arc-shaped slot 35, the tension roller 34 is located on the upper side of the mulch film, and the ground can be kept flat during paving through the compression of the tension roller 34, and the tension of the mulch film during paving is ensured, so that the mulch film is prevented from being wrinkled as a whole after paving, and the circumferential surface of the tension roller 34 is in arc-shaped structure, so that the mulch film after paving by the tension roller is in arc-shaped structure with high middle and low sides, which is beneficial to drainage when it rains, avoids water accumulation on the top of the mulch film, and affects the growth of crops below the mulch film; and under the sliding fit of the connecting pin shaft 36 and the arc-shaped slot 35, the tension roller 34 can be lifted upward alone, when the tension roller 34 is lifted upward, the connecting pin shaft 36 can slide in the inner side of the arc-shaped slot 35, and when the lifting bracket makes the swing plate 23 swing upward, the connecting pin shaft 36 can be supported by the arc-shaped slot 35 to make the support rod 33 swing upward, thereby driving the tension roller 34 to swing upward, so as to facilitate the adjustment of the mulch film laying position.

[0040] One side of the covering wheel 39 is rotatably connected with a mounting plate, the upper end of the mounting plate is fixedly connected with a mounting screw rod, the front end of the supporting plate 37 is rotatably connected with the mounting screw rod, the upper side of the mounting screw rod is threadedly connected with a reinforcing nut 44, the covering wheel 39 can be fixed through the reinforcement of the reinforcing nut 44, and the angle of the covering wheel 39 can be adjusted by loosening the reinforcing nut 44, and after adjustment, the reinforcing nut 44 is fixed again, the angle of the covering wheel 39 can be adjusted according to the needs of the operator, so that the covering wheel 39 can fully cover the soil on the mulch film when moving; Further, the outer end of the compression wheel 38 is respectively rotationally connected with a connecting block 40, the upper end of the connecting block 40 is respectively fixedly connected with a connecting rod 41 on the front and back sides, the connecting rod 41 is vertically slidably connected with the support plate 37, the upper end of the connecting rod 41 is respectively fixedly connected with a top cap 43, the surface of the connecting rod 41 is respectively sleeved with a supporting spring 42, the supporting spring 42 is respectively located between the connecting block 40 and the support plate 37, under the action of the sliding connection between the connecting rod 41 and the support plate 37, the compression wheel 38 can move up and down, and under the pushing of the supporting spring 42, the compression wheel 38 can be adjusted according to the flatness of the land, and under the compression of the supporting spring 42, the compression wheel 38 can be stably compressed on the surface of the mulch film to compact the mulch film; further, the circumferential surface of the soil covering wheel 39 is respectively provided with a plurality of concave surfaces, a convex surface is formed between two adjacent concave surfaces, the convex surface of the circumferential surface of the soil covering wheel 39 can facilitate the soil covering wheel 39 to penetrate into the soil, so as to facilitate the soil covering wheel 39 to push part of the soil onto the mulch film to cover the mulch film when the device moves, and the height of the soil covering wheel 39 is lower than the height of the compression wheel 38, so that when the compression wheel 38 walks on the surface of the mulch film, the lower side of the soil covering wheel 39 is in a state of being placed in the soil, which facilitates the soil to be placed on the mulch film for covering, and ensures the film covering effect.

[0041] The specific embodiments described herein merely exemplify the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways instead.

Claims

1. A mulching apparatus for agricultural cultivation comprising a mulching tube, characterized by, It also includes a mounting frame (1) and a transposer rotatably connected to the inside of the mounting frame (1), the transposer can install multiple film coating cylinders, the left end of the mounting frame (1) is rotatably provided with a support capable of swinging up and down, the front side of the support is respectively provided with a press wheel (38) and a soil covering wheel (39); A clutch is installed between the support and the transposer, the transmission and disconnection between the support and the transposer can be controlled through the clutch, when the driving structure is connected to the transmission of the support and the transposer respectively, the transposer can be driven to rotate intermittently by controlling the upward swinging of the support, and one film coating cylinder can be brought to the front side every time the transposer rotates intermittently once. The front side of the two supports is rotatably connected with a cutting knife (31) capable of swinging inward, and the driving structure includes a handle (28) capable of swinging forward and backward, which is a control end of the clutch, when the handle (28) swings forward to drive the clutch to connect with the support to transmit power, it constitutes the structure of the cutting knife (31) swinging inward.

2. The mulching apparatus for agricultural cultivation according to claim 1, characterized by: The transposer includes a rotating plate (3) rotatably connected to the inside of the mounting frame (1), the surface of the rotating plate (3) is uniformly rotatably connected with multiple mounting rods (4) arranged in a ring shape, the other end of the mounting rod (4) is provided with a threaded hole (10), the other end of the mounting rod (4) is provided with a baffle (5), the middle part of the baffle (5) is fixedly connected with a connecting screw (6), and the baffle (5) is screwed with the threaded hole (10) through the connecting screw (6). The left end of the mounting plate is coaxially fixedly connected with a grooved wheel (7), one side of the grooved wheel (7) is engaged with a driving dial (8), the driving dial (8) is rotatably connected with the mounting frame (1), and the driving dial (8) is connected with the output end of the clutch, so that the grooved wheel (7) can be driven to rotate intermittently when the driving dial (8) rotates, and one mounting rod (4) can be driven to rotate to the front side every time the grooved wheel (7) rotates once.

3. A mulching apparatus for agricultural cultivation according to claim 2, characterized by: The right end of the mounting frame (1) is downwardly provided with a groove on the upper side, and the groove corresponds to one of the baffles (5).

4. The mulching apparatus for agricultural cultivation according to claim 2, characterized by: One end of the driving dial (8) is coaxially fixedly connected with a driven gear (9), the rear side of the driven gear (9) is engaged with a driving gear (11), the driving gear (11) is the output end of the clutch, and the driving gear (11) is rotatably connected with the inner wall of the mounting frame (1); the inner side of the driving gear (11) is coaxially fixedly connected with an inner ratchet wheel (12), the inner side of the inner ratchet wheel (12) is provided with a rotating disc (13), the circumferential surface of the rotating disc (13) is fixedly connected with multiple elastic ratchet plates (14), and the outer ends of the elastic ratchet plates (14) are respectively engaged with the inner ratchet wheel (12). The elastic ratchet plates (14) and the inner ratchet wheel (12) can drive the driving gear (11) to rotate in one direction.

5. The mulching apparatus for agricultural cultivation according to claim 1, characterized by: The support frame comprises a swing plate (23) and a support plate (37) fixedly connected to the front end of the swing plate (23), the inner end of the swing plate (23) is fixedly connected with an installation cylinder (22), the end of the installation cylinder (22) facing the rotating disc (13) is provided with a first end face gear (16) capable of moving along the axial direction, the handle (28) is rotatably connected with the swing plate (23), and the handle (28) can form a structure capable of reciprocating the first end face gear (16) along the axial direction when the handle (28) swings up and down; the surface of the rotating disc (13) is coaxially fixedly connected with a second end face gear (15) capable of engaging with the first end face gear (16), and the rotating disc (13) can be driven to rotate by controlling the swing plate (23) to swing up and down when the first end face gear (16) engages with the second end face gear (15).

6. A mulching apparatus for agricultural cultivation according to claim 5, characterized by: The surface of the first end face gear (16) is coaxially fixedly connected with a linkage cylinder (18), the linkage cylinder (18) is located on the inner side of the installation cylinder (22), the surfaces of the first end face gears (16) on the upper and lower sides of the linkage cylinder (18) are fixedly connected with limit rods (17), and the limit rods (17) are slidably connected along the axial direction of the installation cylinder (22). The end of the handle (28) facing the first end face gear (16) is fixedly connected with a control rod (20), the surface of the control rod (20) is fixedly connected with a matching pin shaft (21), the inner wall of the linkage cylinder (18) is provided with a guide groove (19), the matching pin shaft (21) and the guide groove (19) are in sliding fit, and the first end face gear (16) can be driven to reciprocate along the axial direction of the control rod (20) through the sliding fit of the matching pin shaft (21) and the guide groove (19) when the control rod (20) rotates.

7. The mulching apparatus for agricultural cultivation according to claim 5, characterized by: The end of the handle (28) rotatably connected with the swing plate (23) is in an arc structure, the circumferential surface of the arc structure is provided with two tooth grooves (26), the two tooth grooves (26) are vertically distributed at an angle of 90 degrees, the swing surface of the rear side of the handle (28) is hingedly connected with a limit claw (25) capable of swinging forward and backward, the other end of the limit claw (25) engages with one of the tooth grooves (26), and the rear side of the limit claw (25) is provided with a spring plate (27), one end of the spring plate (27) is fixedly connected with the swing plate (23), and the other end abuts against the rear surface of the limit claw (25).

8. The mulching apparatus for agricultural cultivation according to claim 5, characterized by: The left and right ends of the cutting knife (31) are fixedly connected with connecting shafts, the other ends of the connecting shafts are rotatably connected with the swing plate (23), the surface of the connecting shaft corresponding to the handle (28) is fixedly connected with a swing rod (30), the surface of the handle (28) is hingedly connected with a hinge rod (29), and the other end of the hinge rod (29) is hingedly connected with the swing rod (30). The cutting knife (31) is provided with a sawtooth-shaped saw opening (32) at the cutting edge.

9. The mulching apparatus for agricultural cultivation according to claim 1, wherein: The front side of the left and right ends of the mounting frame (1) is respectively hinged with a support rod (33) capable of swinging up and down, the front end of the two support rods (33) is rotatably connected with a tension roller (34), the surface of the swing plate (23) is provided with an arc-shaped groove (35), the arc-shaped groove (35) is coaxial with the swing point of the support rod (33), the surface of the support rod (33) is fixedly connected with a connecting pin shaft (36), the other end of the connecting pin shaft (36) is in sliding fit with the arc-shaped groove (35).

10. The mulching apparatus for agricultural cultivation of claim 1, wherein: One side of the soil covering wheel (39) is rotatably connected with a mounting plate, the upper end of the mounting plate is fixedly connected with a mounting screw rod, the front end of the supporting plate (37) is rotatably connected with the mounting screw rod, the upper side of the mounting screw rod is threadedly connected with a reinforcing nut (44); The outer end of the pressing wheel (38) is rotatably connected with a connecting block (40), the upper front and rear sides of the connecting block (40) are respectively fixedly connected with a connecting rod (41), the connecting rod (41) is vertically slidably connected with the supporting plate (37), the upper end of the connecting rod (41) is respectively fixedly connected with a top hat (43), the surface of the connecting rod (41) is respectively sleeved with a supporting spring (42), and the supporting spring (42) is respectively located between the connecting block (40) and the supporting plate (37); The circumferential surface of the soil covering wheel (39) is respectively provided with a plurality of concave surfaces.

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