CN116081011A - Packaging film feeding control system and cotton picking and packaging equipment - Google Patents

Abstract

The utility model aims to provide a packaging film feeding control system which realizes a more stable and reliable packaging effect in the cotton roll processing process by integrally and actively rotating a film roll to match with the discharging of packaging films, wherein the system comprises a film roll discharging control mechanism arranged at the rear end and a packaging film feeding driving mechanism arranged at the front end; the film roll-out control mechanism comprises a film roll supporting component for rolling up packaging films and a first driving component for driving the film roll supporting component to operate, and a packaging film roll borne above the film roll supporting component can rotate along with the operation of the film roll supporting component; the packaging film feeding driving mechanism comprises a film feeding driving belt positioned above and a joint control assembly arranged below the film feeding driving belt, wherein the joint control assembly can lift the packaging film so as to drive the packaging film to be attached to the film feeding driving belt and move along with the film feeding driving belt.

Description

A packaging film feeding control system and cotton picking and packaging equipment

technical field

The invention relates to the field of cotton picking and packaging equipment, in particular to a packaging film feeding control system and cotton picking and packaging equipment.

Background technique

As a big country in cotton planting and processing, my country has a vast cotton planting area and a long history of cotton planting. With the continuous development of industrial technology and the continuous update and iteration of cotton harvesting equipment, the cotton received by the traditional box-type cotton picker is easy to be stained with dust, low cleanliness, low cotton density, large transportation volume, difficult to store, easy to lose and other problems are gradually exposed. , and the cotton picker with packaging function is faster to unload cotton, more convenient to load and unload, and has more prominent advantages in energy saving and economy. Therefore, cotton equipment that combines the functions of cotton picking, pretreatment and packaging is also becoming more and more popular.

At present, there have been many devices or equipment capable of packaging and wrapping cotton rolls, such as a film packaging system for cotton balers disclosed in the Chinese Utility Model Patent Application Document with application number CN202022022217.6. It is used to transport film to the cotton packing chamber inside the cotton bale forming box. There is an opening for the film to enter on the cotton packing chamber. The opening is equipped with a rotating roller table that drives the cotton packing chamber to continuously rotate. The film roll of the RFID tag, the film transmission part, the film feeding part, and the film conveying roller for wrapping the film roll. The film conveying roller is set on the cotton bale forming box and is connected with an electromagnetic clutch. The electromagnetic clutch is electrically connected with a recognition sensor, and the recognition sensor It is set close to the film conveying roller. The film feeding part is located directly below the rotating roller table. The film conveying part drives the film to be transported from the film conveying roller to the film feeding part. The film feeding part is used to accurately feed the film into the opening.

Another example is a cotton round bale packaging and wrapping device disclosed in the Chinese invention patent application document with the application number CN202010822957.X, which includes a cotton collecting box, a conveying mechanism, a packing mechanism and a wrapping mechanism; Cotton delivery roller and cotton distribution roller, the conveying mechanism is used to convey the cotton output in the cotton collection box to the packing mechanism, and the packing mechanism includes a packing bin body and a roll forming chamber arranged inside the packing bin body, and the rolling chamber It is formed by winding a plurality of rotating rollers and a plurality of tensioning assemblies. The running directions of the packing belts on both sides of the roll forming chamber are opposite. The film wrapping mechanism includes a film roller assembly and a guide assembly. The film roller assembly is used for packaging film The output and cut-off of the guide assembly is used to send the packaging film between the packing belt and the cotton roller, and wrap the cotton roller.

Although the above-mentioned equipment can realize the control of the start and stop of the packaging film discharge when packaging the cotton rolls, it can be found that the film rolls are usually carried on the unpowered roller below during the film discharge process. Or it can be rotatably arranged on a freely rotatable bracket, so in the process of separating and discharging the packaging film from the film roll, the pulling force on the packaging film not only needs to drive itself to separate from the film roll, but also A large part of the force is used to drive the film roll to rotate to meet the appropriate film exit angle. During the rotation of the film roll out, the actual angular position of the packaging film relative to the overall separation of the film roll will continue to change, which will cause the movement of the film roll to be fast and slow, and then the output of the packaging film The feed rate changes fluctuate. Obviously, such speed fluctuations will lead to high and low efficiency of the packaging film entering the baling bin. Of course, it is not conducive to the stable wrapping of the cotton lap as a whole, resulting in uneven force and damage to the packaging film.

In view of the above problems, the present invention provides a packaging film feeding control system that actively rotates the entire film roll to cooperate with the discharge of the packaging film to achieve a more stable and reliable packaging effect during the processing of the cotton roll.

Contents of the invention

The present invention provides a packaging film feeding control system that actively rotates the entire film roll to cooperate with the discharge of the packaging film to achieve a more stable and reliable packaging effect during the processing of the cotton roll.

Above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

A packaging film feeding control system, comprising a film roll-out control mechanism arranged at the rear end and a packaging film entry drive mechanism set at the front end; the film roll-out control mechanism includes an The film roll supporting assembly with the bearing function and the first drive assembly for driving the film roll supporting assembly to run, the packaging film roll carried above the film roll supporting assembly can follow the movement of the film roll supporting assembly Rotate during operation; the packaging film feeding drive mechanism includes a film feeding driving belt located above and a joint control assembly arranged below the film feeding driving belt, and the joint control assembly can lift the packaging film to drive the film feeding drive belt. The packaging film is attached to the film-feeding driving belt and moves along with the film-feeding driving belt.

As a preference for the present invention, the film roll supporting assembly includes a pair of carrying rollers of the same size, the output end of the first driving assembly is connected to the carrying rollers in a transmission manner, and the film roll out control The mechanism also includes a clutch control device for controlling whether to output power to the bearing rollers.

As a preference for the present invention, the input end of the first driving assembly is tranducably connected to the main driving device for driving the film feeding driving belt to move, and the clutch control device is connected to the first driving assembly and between the main drives.

As a preference of the present invention, the film roll-out control mechanism further includes a brake device for driving the packaging film roll to stop rotating.

As a preference for the present invention, the joint control assembly includes a liftable guide rail frame capable of lifting movement, and the front and rear ends of the liftable guide rail frame are respectively hingedly connected with lifting swing rods, between the liftable guide rail frame and A film-feeding channel translation section is formed between the film-feeding drive belts.

As a preference for the present invention, it includes a reversing roller arranged above, and the front section of the film feeding drive belt is wrapped around the outer side of the reversing roller, so that the film feeding drive belt is divided into lower translation part and the upper lifting part; the joint control assembly also includes a movable guide that can perform rotary motion, and an arc-shaped guide part is formed on the movable guide. When the movable guide is rotated upwards and lifted , An ascending section of the film feeding channel is formed between the arc-shaped guiding part and the lifting part of the driving belt for raising the film.

As a preference of the present invention, a synchronous driving rod is connected between the movable guide and the liftable guide rail frame, and a second driving assembly is connected to the end of the synchronous driving rod.

As a preference of the present invention, an upturned arc-shaped guide section is formed at the front end of the liftable guide rail frame for transitional connection with the arc-shaped guide portion.

As a preference for the present invention, the arc-shaped guide part includes guide posts extending along the direction of the center axis of rotation of the movable guide and arranged at intervals with each other, and the front end of the liftable guide rail frame is formed with a The toothed structure corresponding to the column, when the movable guide member rotates upwards, the guide column and the toothed structure are interlaced with each other.

A cotton picking and packaging equipment, which includes the packaging film feeding control system, and also includes a cotton impurity removal storage bin and a cotton roll packing bin that are sequentially connected from front to back, and the packaging film feeding control system is set in the The bottom of the cotton cleaning storage bin and the cotton roll baling bin.

In summary, the present invention can achieve the following multiple beneficial effects:

1. The packaging film feeding control system provided in the present invention can drive the film roll to rotate together with the output of the packaging film. Through this working method, the acting force on the packaging film is mainly used to overcome the force between itself and the film. The adhesion effect between the roll bodies is also convenient to control the packaging film to be discharged at a relatively constant angle, thereby reducing the speed fluctuation during the feeding process of the packaging film, and thus making the packaging process of the cotton roll more efficient, stable and controllable. Improved and optimized wrapping of the lap also reduces the risk of film breakage or misalignment during wrapping.

2. In the packaging film feeding control system provided by the present invention, the driving mechanism for the packaging film entering the warehouse can automatically guide and drive the front end of the packaging film to be stably introduced into the packaging warehouse, so as to realize a smooth connection between the packaging film and the outer peripheral surface of the cotton roll. splicing package processing.

3. The packaging film feeding control system provided by the present invention includes a clutch control device and a braking device. When the packaging film needs to be partially cut off and separated, the work of the clutch control device is used to cut off the The film roll is used for the power input of the rotating mechanism, and at the same time, the brake device is used to quickly reduce the movement of the film roll and the mechanism connected to it, so as to avoid the film roll and its connected structure in the working state when the cotton roll is not packed. Under the action of inertia, the film continues to go out, which is difficult to control.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the positional relationship of the main systems of the cotton picking and packaging equipment in the embodiment of the application;

Fig. 2 is a schematic structural diagram of the bottom perspective structure of the positional relationship of each main system of the cotton picking and packaging equipment in the embodiment of the present application;

Fig. 3 is a schematic diagram of the cross-sectional state of the connection relationship of each main system in the cotton picking and packaging equipment;

4 is a schematic diagram of the overall structure of the packaging film feeding control system;

Fig. 5 is a partially enlarged schematic diagram of the film roll-out control mechanism in the packaging film feeding control system;

Fig. 6 is a schematic diagram of different working states of the clutch control device;

Fig. 7 is a partially enlarged schematic diagram of the driving mechanism of the packaging film entering the warehouse in the packaging film feeding control system.

In the picture:

1 - packaging film roll, 101 - packaging film;

2—film roll out film control mechanism, 201—film roll support assembly, 2011—carrying roller, 202—first drive assembly, 203—clutch control device, 204—braking device;

3——Packing film feeding drive mechanism, 301——Film feeding drive belt;

4——Main driving device;

5—joint control assembly, 501—liftable guide rail frame, 5011—arc guide section, 50111—toothed structure, 502—lift swing rod, 503—movable guide, 5031—arc shape Guide;

6——Reversing roller;

7a——translation section of the film feeding channel, 7b——rising section of the film feeding channel;

8——synchronous drive rod, 801——second drive assembly;

A—Cotton impurity removal storage warehouse, B—Cotton roll packing warehouse, C—Packaging film feeding control system.

Detailed ways

The following specific examples are only explanations of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

This program is realized through the following technical means:

Embodiment: In this implementation, a kind of packaging film feeding control system C suitable for cotton picking and packaging equipment is provided. From the overall structural layout, referring to accompanying drawings 1, 2 and 3, the cotton picking and packaging equipment includes The front cotton impurity removal storage bin A and the rear cotton roll packing bin B, and the two parts of the bins are connected to each other.

When the cotton material is harvested from the ground by the picking head installed at the front of the cotton picker, the seed cotton will be deseeded first, and then transported backwards to remove impurities such as internal debris or dust. At this time, after preliminary The processed cotton material will accumulate in the hollow cotton impurity removal storage bin A. When the cotton material has accumulated to a certain extent in the cotton removal storage bin A, the rear end of the bin will be opened and connected with the cotton lap packing bin B at the rear, so as to transport the cotton material to the rear, and the cotton lap packing bin B Under the agitation and extrusion of the internal packaging mechanism, the cotton material will form a cylindrical cotton roll and gradually increase to fill the interior of the entire packaging warehouse. In common cotton lap packaging equipment, the packaging film 101 is introduced between the cotton lap and the conveyor belt in the packaging warehouse through the film feeding mechanism at the bottom of the connection position between the cotton removal storage bin A and the cotton lap packing bin B, Thus, the packaging film 101 is continuously input into the packing bin through the pulling action of the closely attached cotton roll and the conveyor belt. For the process of extruding and packing cotton materials into rolls from a loose state, you can refer to the structure and working method of a cotton packing device and a cotton picker provided in the Chinese utility model patent application document with the application number CN202220819860.8, Since this part of the structural content is not a corresponding solution to the technical problem to be solved in this application, it will not be repeated here.

The packaging film feeding control system C presented in this application includes two parts: the film roll-out control mechanism 2 arranged at the rear end and the packaging film bin-in drive mechanism 3 arranged at the front end.

The film roll out control mechanism 2 includes a film roll support assembly 201 for supporting the packaging film roll 1 and a first drive assembly 202 for driving the film roll support assembly 201 to run. Specifically, the film roll support assembly 201 includes a pair of bearing rollers 2011 of the same size, the two bearing rollers 2011 have the same radial dimension and the rotation center axes of the two bearing rollers 2011 have the same height, and the two bearing rollers 2011 have the same height. The distance between the rollers 2011 is smaller than the radial dimension of the film roll. At this time, when the film roll is erected above the two carrying rollers 2011, the film roll will not fall. It should also be noted that the outer peripheral portion of the carrying roller 2011 is made of rubber material, so as to ensure sufficient frictional force between it and the film roll. The first driving assembly 202 includes a rotary roller, which is meshed with the aforementioned two bearing rollers 2011 through a gear structure. There is a reduction mechanism and a reversing mechanism to realize that the two carrying rollers 2011 rotate at the same rotation rate and in the same direction, thereby driving the film roll erected above the carrying rollers 2011 to rotate at a relatively stable rate. The above-mentioned rotary motion of the rotary roller itself is realized by connecting the output ends of an external independent servo motor through an external power device.

Since the main body of the cotton roll is extruded and wound into a roll, the internal mechanism originally contains a plurality of rotating shafts that continuously rotate and work. Therefore, in this embodiment, considering the reliability of the lifting equipment, no new The power device used to drive the rotary roller to run. Referring to the enlarged structure of the packaging film feeding control system C shown in accompanying drawing 4, the input end of the first drive assembly 202 is trivably connected to the main drive device 4 for driving the conveyor belt inside the packing bin to move, The clutch control device 203 is connected between the first driving assembly 202 and the main driving device 4 . Specifically, referring to the accompanying drawing 5 of the present application, the clutch control device 203 includes a drive pulley that is movably installed on the end of the rotary shaft of the main drive device 4 through a bearing, and a drive pulley that can move along the rotation axis is installed on the inner side of the drive pulley. The control block for the axial translational movement of the rotating shaft, preferably, the control block is driven to move by means of electromagnetic drive, which is more efficient and precise. When the control block is located inside, the power transmission between the driving pulley and the main driving device 4 is cut off, and the rotary power of the main driving device 4 cannot be transmitted to the film roll out control mechanism 2, so the film roll will no longer rotate. On the contrary, when the control block moves to the outside, the joint is completed, and the main drive device 4 can drive the film roll out film control mechanism 2 to run and drive the packaging film roll 1 to rotate out of the film.

Similarly, a brake device 204 is also installed in the film roll-out film control mechanism 2, and the brake device 204 includes a friction brake block, similar to the clutch control device 203, when required When the film roll is stopped to roll out of the film, the friction brake block moves and contacts with at least one roller in the first drive assembly, and the film roll and the bearing roller 2011 below it are quickly stopped by friction.

The packaging film feeding drive mechanism 3 includes a film feeding driving belt 301 located above and a joining control assembly 5 arranged below the film feeding driving belt 301 . Specifically, the joint control assembly 5 includes a liftable guide rail frame 501 capable of lifting movement, and the front and rear ends of the liftable guide rail frame 501 are respectively hingedly connected with lifting swing rods 502 . When the front and rear two lifting swing bars 502 rotated simultaneously, the lifting guide rail frame 501 just kept the horizontal state to lift and move. Above the joining control assembly 5, there is a film-feeding driving belt 301 that can continuously push forward. At this time, a film feeding channel translation section 7 a is formed between the liftable guide rail frame 501 and the film feeding drive belt 301 . When the liftable rail member is lifted upwards, the packaging film 101 is lifted upwards so that it is in close contact with the lower surface of the film feeding driving belt 301, so that the packaging film 101 continues to move forward following the film feeding driving belt 301 until it enters the The interior of the packing warehouse.

Further, in order to smoothly and accurately send the packaging film 101 into the upper packaging bin, it is also necessary to lift the end of the packaging film 101 upward. In this embodiment, the front end of the film-feeding drive belt 301 surrounds the outside of a reversing roller 6, and the film-feeding drive belt 301 is divided into two parts: a horizontally extending section and an upwardly extending section; at the same time A movable guide 503 capable of rotating around a fixed central axis is installed at the end of the liftable guide rail frame 501 . The movable guide 503 includes an arc-shaped guide portion 5031 and a rod-shaped connecting portion, one end of the rod-shaped connecting portion is fixedly connected to the arc-shaped guiding portion 5031, and the other end is connected to a fixed point on the device by The flexible connection in a hinged manner enables the movable guide member 503 to rotate around the fixed central axis as a whole, and the arc-shaped guide part 5031 is formed with an arc-shaped guide surface. When the movable guide 503 rotates and lifts upwards, an ascending segment 7b of the film feeding channel is formed between the film feeding drive belt 301 and the arc-shaped guide part 5031, and when the liftable guide rail frame 501 goes up When it is lifted, a translation section 7a of the film feeding channel is formed between its upper surface and the film feeding drive belt 301 .

A synchronous drive rod 8 is movably connected between the lift swing rod 502 and the movable guide 503 , and a telescopic cylinder as a second drive assembly 801 is also connected to the synchronous drive rod 8 . The telescopic cylinder is in a tilted upside-down state as a whole. The top section of the cylinder body on the upper side is connected to the main body frame of the equipment in a hinged manner, while the bottom end of the telescopic support rod on the lower side is connected to the synchronous drive rod 8 The rear end of the car is also articulated in a articulated way. The aforesaid synchronous driving rod 8 is in the shape of a slender rod as a whole, and its front end is hingedly connected to the part on the movable guide 503 , while the middle part of the synchronous driving rod 8 is connected to the aforementioned movable guide 503 They are also flexibly connected by hinges. Specifically, the front, middle and back of the synchronous drive rod 8 are opened with through holes respectively, and the side of the movable guide 503 protrudes outwards and passes through the through holes of the frontmost section, and the lifter that is movably connected with the liftable guide rail frame 501 The side of the swing rod 502 also protrudes outwards through the through hole in the middle, and the through hole at the end can be hinged by using a pin or a bolt to pass through the end of the top section of the telescopic cylinder at the same time, so as to realize the connection between the parts. connection structure between them.

When the telescopic cylinder is elongated, along with the synchronous drive rod 8 swinging obliquely forward, it can drive the movable guide 503 and the lifting swing rod 502 to rotate forward at the same time, and the circular arc formed on the movable guide 503 At the same time, the upper surface of the movable guide 503 approaches the lower surface of the film feeding driving belt 301 on the upper side, forming a film feeding channel and driving the packaging film 101 to move upwards continuously. The film feeding driving belt 301 is attached . Conversely, if the equipment does not need to feed film into the packing bin or perform maintenance and testing, it only needs to control the retraction of the telescopic cylinder and drive the synchronous drive rod 8 to move in reverse, then at this time the movable guide 503 and the adjustable The lifting rail frame 501 resets downwards, so that the packaging film 101 moves downwards away from the film feeding drive belt 301 .

As a preference, the front end of the liftable rail frame 501 can be provided with an upturned arc-shaped guide section 5011, and the arc-shaped guide section 5031 includes The guide columns extending in the direction and arranged at intervals from each other, the front end of the liftable guide rail frame 501 is formed with a tooth-like structure 50111 corresponding to the guide columns, when the movable guide 503 rotates upward, the guide columns and the guide columns The tooth-shaped structures 50111 are interlaced with each other. When the liftable guide rail frame 501 is lifted upwards while the movable guide member 503 is rotated and lifted upwards, in the forward extension direction of the packaging film 101, there will be a partial overlapping structure between the liftable guide rail frame 501 and the movable guide member 503, Thereby, the packaging film 1017 can be transferred from the liftable guide rail frame 501 to the movable guide member 503 more smoothly.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can easily think of various equivalents within the technical scope disclosed in the present invention. Modifications or replacements shall all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. A packaging film feeding control system, which is characterized in that: comprises a film roll-out control mechanism (2) arranged at the rear end and a packaging film feeding driving mechanism (3) arranged at the front end; the film roll-out film control mechanism (2) comprises a film roll supporting component (201) for bearing a packaging film roll (1) and a first driving component (202) for driving the film roll supporting component (201) to operate, wherein the packaging film roll (1) borne above the film roll supporting component (201) can rotate along with the operation of the film roll supporting component (201); the packaging film feeding driving mechanism (3) comprises a film feeding driving belt (301) located above and a joint control assembly (5) arranged below the film feeding driving belt (301), and the joint control assembly (5) can lift the packaging film (101) to drive the packaging film (101) to be attached to the film feeding driving belt (301) and move along with the film feeding driving belt (301).

2. The packaging film feed control system of claim 1, wherein: the film roll bearing assembly (201) comprises a pair of bearing rollers (2011) with the same size, the output end of the first driving assembly (202) is in transmission connection with the bearing rollers (2011), and the film roll film outlet control mechanism (2) also comprises a clutch control device (203) for controlling whether to output power to the bearing rollers (2011).

3. The packaging film feed control system of claim 2, wherein: the input end of the first driving component (202) is connected to a main driving device (4) for driving the film feeding driving belt (301) to move in a transmission mode, and the clutch control device (203) is connected between the first driving component (202) and the main driving device (4).

4. A packaging film feed control system as set forth in claim 3, wherein: the middle of the film roll-out film control mechanism (2) also comprises a braking device (204) for driving the packaging film roll (1) to stop rotating.

5. The packaging film feed control system of claim 1, wherein: the joint control assembly (5) comprises a liftable guide rail frame (501) capable of lifting, lifting swing rods (502) are respectively hinged to the front end and the rear end of the liftable guide rail frame (501), and a film conveying channel translation section (7 a) is formed between the liftable guide rail frame (501) and the film conveying driving belt (301).

6. The packaging film feed control system of claim 5, wherein: the film feeding device comprises a reversing roller (6) arranged above, wherein the front section of the film feeding driving belt (301) surrounds the outer side of the reversing roller (6), so that the film feeding driving belt (301) is divided into a lower translation part and an upper lifting part; the joint control assembly (5) further comprises a movable guide piece (503) capable of performing rotary motion, a circular arc-shaped guide portion (5031) is formed on the movable guide piece (503), and when the movable guide piece (503) rotates upwards to be lifted, a film feeding channel lifting section (7 b) is formed between the circular arc-shaped guide portion (5031) and the lifting portion of the film lifting driving belt (301).

7. The packaging film feed control system of claim 6, wherein: a synchronous driving rod (8) is connected and installed between the movable guide piece (503) and the liftable guide rail frame (501), and a second driving component (801) is further connected to the tail end of the synchronous driving rod (8).

8. The packaging film feed control system of claim 7, wherein: the front end of the liftable guide rail frame (501) is provided with an upturned arc-shaped guide section (5011) which is used for being in transitional connection with the arc-shaped guide part (5031).

9. The packaging film feed control system of claim 8, wherein: the circular arc-shaped guide part (5031) comprises guide posts which extend along the direction of the rotation central axis of the movable guide piece (503) and are distributed at intervals, a toothed structure (50111) corresponding to the guide posts is formed at the front end of the liftable guide rail frame (501), and the guide posts and the toothed structure (50111) are staggered at intervals when the movable guide piece (503) rotates upwards.

10. A cotton picking and packing device, characterized in that: the packaging film conveying control system (C) comprises a cotton impurity removal storage bin (A) and a cotton roll packaging bin (B) which are sequentially connected from front to back, and the packaging film conveying control system (C) is arranged at the bottoms of the cotton impurity removal storage bin (A) and the cotton roll packaging bin (B).

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