CN110800475A

CN110800475A - Film winding device and full-automatic hydraulic bundling and film wrapping machine

Info

Publication number: CN110800475A
Application number: CN201911288848.8A
Authority: CN
Inventors: 陈林; 张秀平; 张亚振; 徐志杰; 袁兴茂; 范国昌; 陈立; 张晓飞
Original assignee: HEBEI MECHANIZATION OF AGRICULTURE INST CO Ltd
Current assignee: HEBEI MECHANIZATION OF AGRICULTURE INST CO Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-02-18

Abstract

The invention discloses a film winding device and a full-automatic hydraulic bundling and film wrapping machine, wherein the film winding device comprises a film winding mechanism which is vertically arranged on a rack and a material to be packaged horizontally penetrates through the center, an installation frame for assembling a stretching film component is horizontally arranged on one side of the film winding mechanism, and a film cutting mechanism for cutting the stretching film is arranged above the rack at the discharge end of the film winding mechanism through an upright post vertical to the rack; and the film winding mechanism rotationally wraps the material to be packaged in a vertical plane relative to the frame. The full-automatic hydraulic bundling and film wrapping machine comprises a rack, a PLC (programmable logic controller) and a picking and throwing mechanism, a compression mechanism, a film wrapping device, a conveying mechanism and a film wrapping mechanism which are sequentially arranged on the rack. The automatic material bundling and film wrapping machine has the advantages of simple structure, stable work and low cost, can realize automatic bundling operation on materials which axially penetrate through the center, improves bundling and film wrapping efficiency, and has wide application range.

Description

Film winding device and full-automatic hydraulic bundling and film wrapping machine

Technical Field

The invention relates to the technical field of agricultural and pastoral mechanical equipment, in particular to a film winding device used in the silage production process and application thereof to a film coating machine.

Background

With the rapid development of the animal husbandry in China, the demand of pasture is increasing day by day, and the natural pasture can not meet the development requirement of the animal husbandry, so the planting area of the pasture is increased year by year. The traditional way of harvesting the pasture is to cut and dry the pasture after airing, which causes the loss of the nutrition of the pasture, and the practice proves that the pasture silage is a better way of harvesting the pasture which keeps the nutrition of the pasture, reduces the loss and is convenient to store. However, the silage harvester in China is in a starting stage at present, most of silage film coating machines used at present adopt imported equipment, the cost is high, and the cost is high, so that the forage grass planting cost is high. In addition, the existing silage film wrapping machine mainly compacts pasture grass by a rotary rolling principle and then wraps the film, so that the structure is complex; in addition, the film winding mode is mostly limited to wrapping cylindrical forage.

Disclosure of Invention

The invention aims to provide a film winding device with a simple structure and a bundling and film wrapping machine with the film winding device, which are used for harvesting silage so as to reduce the cost and improve the bundling and film wrapping efficiency.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

A film winding device comprises a film winding mechanism which is vertically arranged on a rack and a material to be packaged horizontally penetrates through the center, one side of the film winding mechanism is horizontally provided with an installation rack for assembling a stretching film assembly, and a film cutting mechanism for cutting the stretching film is arranged above the rack at the discharge end of the film winding mechanism through an upright column vertical to the rack; and the film winding mechanism rotationally wraps the material to be packaged in a vertical plane relative to the frame.

Above-mentioned twine membrane device, twine the specific structure of membrane mechanism and be: the film winding mechanism comprises a fixed ring component fixedly connected with the rack and a moving ring component rotating in a vertical plane relative to the fixed ring component, an inner gear ring is fixedly arranged on one side of the moving ring component, a hydraulic motor for driving the inner gear ring and the moving ring component to rotate is horizontally arranged on the fixed ring component, and an output shaft end of the hydraulic motor is connected with a driving gear meshed with the inner gear ring; and the mounting frame for mounting the stretching membrane component is horizontally arranged on the discharge side of the moving coil component.

In the above film winding device, the improvement of the film winding mechanism is that: the moving coil assembly is sleeved on the outer circumferential side of the fixed coil assembly, and a plurality of rollers for limiting the moving coil assembly are uniformly distributed on the circumferential side edge of the fixed coil assembly.

In the film winding device, the film winding mechanism is further improved in that: and a plurality of fixing supports for assembling the material output casing to be packaged are uniformly distributed on the inner wall of the fixed ring component.

Above-mentioned twine membrane device, the concrete structure of film cutting mechanism is: the film cutting mechanism comprises an L-shaped base which is vertically and fixedly arranged on upright posts on the front side and the rear side of the rack, a horizontal plate of the base is rotatably provided with a cable knife for hooking the stretched film, and a fixed knife which is matched with the cable knife and used for cutting the stretched film and a driving mechanism for driving the cable knife to rotate are also fixedly arranged on the horizontal plate of the base; the driving mechanism comprises a motor and a reduction gearbox which are connected through a shaft, the reduction gearbox and the motor are arranged above the upper horizontal plate of the base through a motor seat, and the reduction gearbox penetrates through the bottom end of an output shaft of the motor seat and is fixedly connected with one end of the cable knife.

In the above film winding device, the improvement of the film cutting mechanism is that: the fixed knife is fixed on the base through two positioning columns perpendicular to the horizontal plate of the base, and a film pressing plate for pressing the stretching film between the fixed knife and the fixed knife is sleeved on the positioning column above the fixed knife; the positioning column positioned above the film pressing plate is sleeved with a pressure spring, and the top end of the positioning column is limited by a nut assembled with the pressure spring.

The full-automatic hydraulic bundling and film wrapping machine comprises the film winding device, wherein the film winding device and the film wrapping machine share a rack; the film coating machine also comprises a picking and throwing mechanism, a compression mechanism, a conveying mechanism and a film coating mechanism, wherein the picking and throwing mechanism is arranged on the frame from left to right and is used for picking and crushing forage, the compression mechanism is used for compressing and molding the crushed forage, the conveying mechanism is used for conveying the molded forage, and the film coating mechanism is used for performing horizontal circumferential film coating on the molded forage; and the film winding device is arranged between the compression mechanism and the conveying mechanism and is used for coating the molded forage in a vertical plane.

The full-automatic hydraulic bundling and film-wrapping machine comprises a compression mechanism, a film-wrapping mechanism and a film-collecting device, wherein the compression mechanism comprises a vertically arranged receiving hopper, a compression hopper and a horizontally arranged discharging pipe; connect and be provided with the pan feeding hydro-cylinder that is used for with forage propelling movement to compression hopper on the hopper inner wall, compression hopper top is provided with the compression hydro-cylinder with forage compression moulding, is provided with the ejection of compact hydro-cylinder with shaping forage propelling movement to discharging pipe output on the inside wall of compression hopper.

Above-mentioned full-automatic hydraulic pressure bundling plastic envelope machine, compression mechanism's improvement lies in, compression hopper and discharging pipe are the cuboid structure.

Above-mentioned full-automatic hydraulic pressure bundling coating machine, conveying mechanism's concrete structure is: the conveying mechanism comprises two parallel walking rails fixedly arranged on the rack, a rack body is assembled between the two walking rails in a sliding mode, a plurality of ratchet wheels perpendicular to the walking direction of the formed forage are erected at the top end of the rack body, and a pushing oil cylinder for pushing the rack body to walk back and forth in the walking rails is fixedly arranged on the rack.

Due to the adoption of the technical scheme, the technical progress of the invention is as follows.

The automatic bundling machine has the advantages of simple structure, stable work and low cost, the matching of the movable coil assembly and the fixed coil assembly can realize the automatic bundling operation of materials which axially penetrate through the center, the film-winding sealing performance and the bundling and film-coating efficiency are improved, not only silage can be harvested, but also dry straws can be harvested, and the dry straws can be wound and meshed into bundles, so the application range is wider.

Drawings

FIG. 1 is a schematic structural view of a film wrapping apparatus according to the present invention;

FIG. 2 is an exploded view of the film winding mechanism of the present invention;

FIG. 3 is a schematic structural diagram of the film cutting mechanism according to the present invention;

FIG. 4 is a schematic structural diagram of application example 1 of the present invention;

FIG. 5 is a schematic view of the compressed state of the forage in application example 1;

FIG. 6 is a schematic structural diagram of a part of a forage coating film compressed in application example 1;

fig. 7 is a schematic structural view of the conveying mechanism described in application example 1;

fig. 8 is a schematic structural diagram of application example 2 of the present invention.

Wherein: 1. the machine comprises a rack, 11 stand columns, 2 picking and throwing mechanisms, 3 compression mechanisms, 31 feeding oil cylinders, 32 compression oil cylinders, 33 discharging oil cylinders, 34 cuboid forage and 35 discharge ports of the compression mechanisms; 4. the film winding device comprises a film winding device, 41 a film cutting mechanism, 42 a stretching film, 43 a film winding mechanism, 431 a moving coil component, 432 an inner gear ring, 433 a fixed coil component, 434 a roller, 435 a fixed bracket and 436 a hydraulic motor; 411. the film pressing machine comprises a base, a motor seat 412, a motor 413, a motor 414, a knife, a film pressing plate 415, a fixed knife 416 and a pressure spring 417; 5. the automatic film coating machine comprises a conveying mechanism, 51 traveling rails, 52 ratchet rollers, 53 pulleys, 54 frame bodies, 55 pushing cylinders and 6 film coating mechanisms.

Detailed Description

The invention will be further described in detail with reference to the accompanying drawings and specific application examples.

A film winding device is structurally shown in figures 1 to 3 and comprises a frame, a film winding mechanism 43, a film stretching assembly and a film cutting mechanism 41, wherein the film winding mechanism 43, the film stretching assembly and the film cutting mechanism 41 are arranged on the frame; the film winding mechanism 43 is vertically arranged in the rack, and the material to be packaged horizontally passes through the center of the film winding mechanism; one side level of twining membrane mechanism 43 is provided with the mounting bracket for assemble tensile membrane 42 subassembly, twines the frame top of membrane mechanism discharge end and is provided with the stand 11 of perpendicular to frame, and film cutting mechanism 41 erects on the stand for cut tensile membrane.

The film winding mechanism 43 rotationally wraps the materials to be packaged in a vertical plane relative to the frame, and the structure of the film winding mechanism is shown in FIG. 2; comprises a fixed ring component 433, a moving ring component 431, an inner gear ring 432 and a hydraulic motor 436. Wherein the fixed coil assembly 433 is fixedly connected with the frame, and the moving coil assembly 431 rotates in a vertical plane relative to the fixed coil assembly; the inner gear ring 432 is fixedly arranged on one side of the moving coil component, the hydraulic motor 436 is horizontally arranged on the fixed coil component, the output shaft end of the hydraulic motor is connected with a driving gear matched with the inner gear ring, and the hydraulic motor is used for driving the inner gear ring and the moving coil component to rotate; and the mounting frame for mounting the stretching membrane component is horizontally arranged on the discharge side of the moving coil component.

In the invention, the inner diameter of the moving coil assembly 431 is larger than the outer diameter of the fixed coil assembly, the moving coil assembly is sleeved on the outer circumferential side of the fixed coil assembly 433, and a plurality of rollers 434 are uniformly distributed on the circumferential side of the fixed coil assembly and used for supporting and limiting the moving coil assembly and preventing the moving coil assembly from deviating. In the invention, 16 rollers are arranged.

In order to conveniently fix the fixed ring component on the frame and combine the requirement that the material to be packed passes through the central axis of the film winding mechanism, a plurality of fixing supports 435 are uniformly distributed on the inner wall of the fixed ring component 433 and are used for assembling a shell for outputting the material to be packed.

When the film winding mechanism works, the hydraulic motor is started, the hydraulic motor drives the driving gear to rotate, meanwhile, the inner gear ring meshed with the driving gear and the moving coil assembly fixedly connected with the inner gear ring rotate, the stretching film assembly sleeved on the mounting frame rotates along with the inner gear ring in the rotating process of the moving coil assembly, and meanwhile, the film is placed relative to the mounting frame in a self-rotating mode. Because stretch film one end is fixed by the film cutting mechanism, consequently at the pivoted in-process of moving coil subassembly, can twine stretch film on the material of waiting to pack of ejection of compact.

The film cutting mechanism 41 is used for fixing one end of the stretched film and cutting the stretched film after packaging in a vertical plane, and the structure of the film cutting mechanism is shown in fig. 3, and the film cutting mechanism comprises a base 411, a motor base 412, a motor 413, a reduction gearbox, a knife holder 414, a fixed knife 416 and a film pressing plate 415, wherein the motor 413 and the reduction gearbox which are connected through a shaft form a driving mechanism for driving the knife holder to rotate.

The base 411 is of an L-shaped structure in the direction, vertical plates of the base are vertically and fixedly arranged on upright columns on the front side and the rear side of the rack, the motor base 412 is erected above a horizontal plate on the base, the reduction gearbox and the motor are installed on the motor base, the reduction gearbox penetrates through the bottom end of an output shaft of the motor base and is fixedly connected with one end of the holding knife, the other end of the holding knife is a free end, the holding knife 414 can rotate in the horizontal plane relative to the horizontal plate of the base under the driving of the motor, and 180-degree reciprocating swing can be achieved.

Two positioning columns perpendicular to the base are fixedly arranged on the horizontal plate of the base, two through holes are formed in the fixed knife, the fixed knife is positioned on the horizontal plate of the base after the positioning columns penetrate through the two through holes of the fixed knife, and the fixed knife and the cable knife are matched for cutting off the stretching film 42.

A film pressing plate 415 is sleeved on the positioning column above the fixed knife, a gap is arranged between the film pressing plate 415 and the fixed knife 416, the gap is larger than the thickness of the cable knife 414, the cable knife can go in and out, and the stretching film between the cable knife and the fixed knife is compressed.

In order to enable the film pressing plate to compress the stretched film without influencing the rotation of the take-up knife, a pressure spring 417 is sleeved on a positioning column above the film pressing plate, and the top end of the positioning column limits the pressure spring through a matched nut; meanwhile, the elastic material is bonded below the film pressing plate 415, so that the stretching film can be better clamped between the holding knife and the film pressing plate, after the film winding mechanism is wound on the forage for more than two circles, the holding knife returns to the open position after a self-pressing effect is formed, and the end part of the stretching film clamped between the holding knife and the film pressing plate naturally falls onto the bale.

When the film cutting mechanism works, the speed reducing motor 413 drives the film collecting knife 414 to rotate for 180 degrees, the film collecting knife 414 brings the stretched film into a gap between the film pressing plate 415 and the fixed knife 416, the stretched film positioned at the lower part of the film collecting knife 414 is cut off, and the stretched film at the upper part is clamped between the film collecting knife 414 and the film pressing plate 415, so that the film collecting, cutting and clamping actions are completed.

Application example 1

The application example is an application of a film winding device, is applied to a full-automatic hydraulic bundling and film wrapping machine, and realizes bundling, film wrapping and sealing of forage.

The coating machine in this application example includes frame 1, PLC controller and sets gradually pick up throwing mechanism 2, compressing mechanism 3, twine membrane device 4, conveying mechanism 5 and coating machine 6 in the frame. The connection relationship between the mechanisms is shown in fig. 4 to 7, and specifically includes: the frame 1 is a bearing part of the whole machine, and the picking and throwing mechanism 2 is arranged at the front part of the frame 1; the compression mechanism 3 is arranged in the middle of the frame 1, and a feeding port of the compression mechanism 3 corresponds to a throwing port of the picking and throwing mechanism 2; the film winding mechanism 4 is arranged at the discharge port of the compression mechanism 3; the coating mechanism 6 is arranged at the rear part of the frame 1; the conveying mechanism 5 is positioned between the compressing mechanism 3 and the film coating mechanism 6.

The machine frame is also provided with a hydraulic station, power is introduced from a rear output shaft of the tractor, the hydraulic station is used by a picking and throwing mechanism 2, a compressing mechanism 3, a film winding device 4, a conveying mechanism 5 and a film coating mechanism 6 of the film coating machine, the picking, crushing and compressing, the film coating of the inner peripheral side of a vertical plane, the conveying, the film coating of the inner peripheral side of a horizontal plane and the blanking of the pasture are completed coordinately under the instruction of a PLC (programmable logic controller), and the film coating machine completes the molding of the pasture and the film winding and sealing operation based on the hydraulic principle.

The picking and throwing mechanism 2 is used for picking and smashing forage and then throwing the smashed forage into the compression mechanism. The picking and throwing mechanism 2 is a common straw collector in the industry, and can be used after being directly purchased and assembled.

The compression mechanism 3 is used for compression molding of crushed forage, and has a structure shown in fig. 5, and comprises a vertically arranged receiving hopper, a compression hopper and a horizontally arranged discharging pipe, wherein the top end of the receiving hopper is connected with a throwing port of the picking and throwing mechanism 2, the bottom of the receiving hopper is communicated with the middle part of the compression hopper, the bottom of the compression hopper is communicated with one end of the discharging pipe, the outer end of the discharging pipe is fixedly connected with the film winding device, and the film winding mechanism of the film winding device of the discharging pipe is coaxially arranged; a feeding oil cylinder 31 is arranged on the inner wall of the receiving hopper and used for pushing materials into a compression cavity of the compression hopper; a compression oil cylinder 32 is arranged above the compression hopper and is used for compressing and molding the forage in the compression cavity; and a discharge oil cylinder 33 is arranged on the inner side wall of the compression hopper and used for pushing the compression-molded forage to a discharge pipe for output.

The application example is used for realizing ensiling, namely bundling, coating and sealing of pasture, and in order to facilitate storage and save storage space, the coated and sealed pasture can be in a cuboid shape, and the compression hopper and the discharge pipe in the application example are both arranged in a cuboid structure as shown in figure 5.

And the film winding device 4 is arranged between the compression mechanism 3 and the conveying mechanism 5 and is used for coating the molded forage in a vertical plane. In the application example, the discharge pipe of the compression mechanism extends out of the lower part of the stretching membrane component, and in the membrane winding process of the membrane winding device, a part of the stretching membrane is wound on the outer wall of the discharge pipe, so that formed forage output from the discharge pipe is prevented from scattering; in the winding process, the friction between the forage and the discharging pipe is greater than the friction between the discharging pipe and the stretching film, and in the process of outputting the formed forage while winding the film, the formed forage can take down the stretching film wound on the discharging pipe and repeatedly compresses and winds in the subsequent winding process, so that the formed forage is tightly wrapped and wound, and a foundation is provided for subsequent sealing.

The length of the discharge pipe extending to the lower part of the stretched membrane component can be adjusted according to the compression density requirement of the forage, the relative width of the stretched membrane, the viscosity of the forage and the like. In this application example, the length of the tapping pipe extended is two thirds of the length of the stretched film, as shown in FIGS. 5 and 6; that is, in the film winding process, the stretched film of one-third width is wound on the formed forage, and the stretched film of two-thirds width is wound on the outer wall of the discharging pipe.

The conveying mechanism 5 is used for conveying the formed forage which is subjected to the inner wrapping operation of the vertical plane by the film wrapping device and conveying the forage to the film wrapping mechanism 6.

The structure of the conveying mechanism 5 is shown in fig. 6 and 7, and comprises two running rails 51, a plurality of ratchet rollers 52 and pulleys 53, a frame body 54 and a pushing cylinder 55. Wherein, the two walking rails 51 are fixedly arranged on the end surface of the inner side of the frame in parallel; the frame body 54 is slidably fitted between the two running rails 51, and a plurality of pulleys 53 are fixedly mounted on both side walls of the frame body, and the pulleys 53 are restricted to roll in the running rails 51.

The both ends of ratchet roller 52 are respectively through bearing parallel mount on the top of support body, and ratchet roller inside has anti-reversing mechanism, and ratchet roller 52 perpendicular to shaping forage walking direction sets up, and can only rotate clockwise towards forage walking direction, and ratchet roller 52's length will be less than more than bale width 10cm to prevent that diolame mechanism 6 during operation, tensile membrane from receiving and blockking.

The pushing cylinder 55 is fixedly arranged on the frame, and a piston rod thereof is fixedly connected with the frame body and used for pushing the frame body to walk back and forth in the walking track.

In the application example, the tail end of the walking track is arranged to be of a downward bent structure, which is shown in fig. 7; that is, when the frame body runs to the tail end of the walking track, a small inclination occurs, so that the spike roller is convenient for coating and finishing the falling of the forage.

The coating mechanism 6 is used for horizontally and circumferentially coating the formed forage, is a common mechanism in the industry, and can be directly purchased and then installed for use. The straw bale wrapping machine has the main function of wrapping the straw bale placed between the straw bale wrapping machine and the straw bale wrapping machine with the membrane cutting function, the membrane clamping function and the like, and can continuously work.

When the application example is used for the silage operation of forage grass, the forage grass is picked up from the ground by the picking and throwing mechanism 2 and thrown to the compressing mechanism 3; the forage is pushed into a compression cavity by a feeding oil cylinder 31 in the compression mechanism 3, the forage is compressed to a set density by a compression oil cylinder 32, and then the forage is pushed out of a discharge pipe by a discharge oil cylinder 33 in a cuboid shape; in the process that the cuboid forage is pushed out, the film winding mechanism 4 winds the stretching film around the cuboid forage in the vertical plane; then the rectangular straw bundle with the film wound on the four sides enters a conveying mechanism 5; the conveying mechanism 5 conveys the rectangular bales to the film coating mechanism, and the rectangular bales enter a position suitable for the film coating mechanism 6 to work, and the conveying mechanism stops working; the film coating mechanism 6 starts to work, the rectangular straw bales are wound with the stretch films from the periphery in the horizontal plane, and finally the rectangular straw bales are tightly sealed; and finally, the pushing oil cylinder of the conveying mechanism continuously pushes the frame body to move towards the tail end of the walking track, when the frame body moves to the tail end, a group of pulleys at the front end roll downwards along the walking track 51, the whole frame body is in a state of inclining towards the tail end, and the sealed cuboid material bundle automatically slides down to the ground to finish bundling, film coating and sealing operations.

Application example 2

The application example is used as another application of the film winding device, is applied to a full-automatic hydraulic binder for dry forage, is used for harvesting dry straws or pastures which do not need to be stored in a sealing way, can realize automatic operation, and does not need manual assistance for net winding or bag covering.

The present application example differs from application example 1 in that the conveyance mechanism 5 and the film wrapping mechanism 6 are not included, and the stretch film is replaced with a web and fitted to a mounting frame, and the configuration thereof is shown in fig. 8. When the straw bundling machine is used for bundling dry straws, the straws are picked up and thrown from the ground by the picking and throwing mechanism 2 to the compression mechanism 3, are pushed into a compression cavity by the feeding oil cylinder 31 in the compression mechanism 3, are compressed to a set density by the compression oil cylinder 32, and are pushed out of a discharge pipe by the discharge oil cylinder 33 in a cuboid shape; in the process that the compressed and molded cuboid straws are pushed out from the discharge pipe, the film winding mechanism 4 winds the winding net around the cuboid straws in the vertical plane.

Claims

1. A twine membrane device which characterized in that: the packaging machine comprises a film winding mechanism (43) which is vertically arranged on a rack and a material to be packaged horizontally penetrates through the center, one side of the film winding mechanism (43) is horizontally provided with a mounting rack for assembling a stretching film (42) component, and a film cutting mechanism (41) for cutting the stretching film is arranged above the rack at the discharge end of the film winding mechanism through an upright post (11) vertical to the rack; the film winding mechanism (43) rotationally wraps the materials to be packaged in a vertical plane relative to the frame.

2. A film wrapping apparatus according to claim 1, wherein: the film winding mechanism (43) comprises a fixed ring component (433) fixedly connected with the rack and a moving ring component (431) rotating in a vertical plane relative to the fixed ring component, one side of the moving ring component is fixedly provided with an inner gear ring (432), the fixed ring component is horizontally provided with a hydraulic motor (436) for driving the inner gear ring and the moving ring component to rotate, and the output shaft end of the hydraulic motor is connected with a driving gear meshed with the inner gear ring; and the mounting frame for mounting the stretching membrane component is horizontally arranged on the discharge side of the moving coil component.

3. A film wrapping apparatus according to claim 2, wherein: the moving coil assembly (431) is sleeved on the outer circumferential side of the fixed coil assembly (433), and a plurality of rollers (434) for limiting the moving coil assembly are uniformly distributed on the circumferential side edge of the fixed coil assembly.

4. A film wrapping apparatus according to claim 3, wherein: a plurality of fixing supports (435) for assembling the material output shell to be packaged are uniformly distributed on the inner wall of the fixed ring component (433).

5. A film wrapping apparatus according to claim 1, wherein: the film cutting mechanism (41) comprises an L-shaped base (411) which is vertically and fixedly arranged on upright columns on the front side and the rear side of the rack, a pulling knife (414) for hooking the stretched film is rotatably arranged on a horizontal plate of the base, and a fixed knife (416) which is matched with the pulling knife and used for cutting off the stretched film (42) and a driving mechanism for driving the pulling knife to rotate are also fixedly arranged on the horizontal plate of the base; the driving mechanism comprises a motor (413) and a reduction gearbox which are connected through a shaft, the reduction gearbox and the motor are erected above the upper horizontal plate of the base through a motor base (412), and the reduction gearbox penetrates through the bottom end of an output shaft of the motor base and is fixedly connected with one end of the cable knife.

6. The film winding apparatus according to claim 5, wherein: the fixed knife (416) is fixed on the base through two positioning columns vertical to the horizontal plate of the base, and a film pressing plate (415) for pressing a stretching film between the fixed knife and the cable knife is sleeved on the positioning column above the fixed knife; a pressure spring (417) is sleeved on a positioning column above the film pressing plate, and the top end of the positioning column is limited by a nut which is assembled.

7. The full-automatic hydraulic bundling and film wrapping machine is characterized by comprising the film wrapping device of any one of claims 1 to 6, wherein the film wrapping device and the film wrapping machine share a frame; the film coating machine also comprises a picking and throwing mechanism (2) which is arranged on the frame from left to right and is used for picking and crushing forage, a compression mechanism (3) for compressing and molding the crushed forage, a conveying mechanism (5) for conveying the molded forage, and a film coating mechanism (6) for carrying out horizontal and circumferential film coating on the molded forage; and the film winding device (4) is arranged between the compression mechanism (3) and the conveying mechanism (5) and is used for coating the molded forage in a vertical plane.

8. The full-automatic hydraulic bundling and film-wrapping machine according to claim 7, wherein the compression mechanism (3) comprises a vertically arranged receiving hopper and a compression hopper and a horizontally arranged discharging pipe, the top end of the receiving hopper is connected with the material throwing port of the picking and throwing mechanism (2), the bottom of the receiving hopper is communicated with the middle part of the compression hopper, the bottom of the compression hopper is communicated with one end of the discharging pipe, the outer end of the discharging pipe is fixedly connected with the film-wrapping device, and the discharging pipe and the film-wrapping mechanism of the film-wrapping device are coaxially arranged; connect and be provided with on the hopper inner wall and be used for the pan feeding hydro-cylinder (31) with forage propelling movement to compression hopper, compression hopper top is provided with compression hydro-cylinder (32) with forage compression moulding, is provided with ejection of compact hydro-cylinder (33) with compression moulding's forage propelling movement to the discharging pipe output on the inside wall of compression hopper.

9. The fully automatic hydraulic baling film machine of claim 8, wherein said compression hopper and discharge tube are rectangular parallelepiped in configuration.

10. The full-automatic hydraulic bundling and film-wrapping machine according to claim 7, wherein the conveying mechanism (5) comprises two parallel running rails (51) fixedly arranged on the frame, a frame body (54) is slidably assembled between the two running rails (51), a plurality of ratchet rollers (52) perpendicular to the running direction of the formed forage are erected at the top end of the frame body, and a pushing cylinder (55) for pushing the frame body to run back and forth in the running rails is fixedly arranged on the frame.