CN112193466A - Film winding device and method for cotton picker - Google Patents
Film winding device and method for cotton picker Download PDFInfo
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- CN112193466A CN112193466A CN202010835672.XA CN202010835672A CN112193466A CN 112193466 A CN112193466 A CN 112193466A CN 202010835672 A CN202010835672 A CN 202010835672A CN 112193466 A CN112193466 A CN 112193466A
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- film winding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
- B65B41/16—Feeding webs from rolls by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
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- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Storage Of Harvested Produce (AREA)
Abstract
The invention discloses a film winding device for a cotton picker, which is arranged in a forming bin of the cotton picker and comprises a rack, a controller, a driving mechanism, a driving roller, a film winding roller and a film wrapping roll, wherein the driving mechanism is connected with the controller, the driving roller is connected with the driving mechanism, the film winding roller is connected with the driving roller, the film wrapping roll is connected with the film winding roller, the film wrapping device also comprises a first sensor for detecting the diameter of a cotton round bale and a second sensor for detecting the length of a released and beaten wrapping film, and the first sensor and the second sensor are both connected with the controller. The film winding device and the corresponding film winding method can be used for winding the cotton round bales with uniform standard diameters by using the packaging films with uniform standard lengths, the specifications of the cotton bales obtained after film winding are uniform, the packaging film used by each cotton bale is definite in length, the waste of the packaging films is avoided, and the production cost is reduced.
Description
Technical Field
The invention belongs to the field of agricultural machinery equipment, and particularly relates to a film winding device and a film winding method for a cotton picker.
Background
Along with the development of cotton picker technology, a cotton picker capable of automatically forming round bales and wrapping films for packaging is provided, a forming bin is arranged in the cotton picker, a forming device and a film wrapping device are arranged in the forming bin, the forming device forms the round bales of cotton, and then the round bales of cotton are wrapped with films to form cotton bales through the film wrapping device, so that the transportation and storage of the cotton are facilitated. The forming device twists the cotton in the two belts by using the two belts with opposite rotating directions to roll the cotton into a cylinder, and the film winding device utilizes the output rotating speed of the driving mechanism to be faster than the rotating speed of the film winding roller, so that the packaging film can be tightened to be tightly wound on the cotton round bundle. In the prior art, a film winding device counts time between two film winding operations through a controller, a round cotton bale is judged to be suitable for film winding after reaching specified time, the controller sends an instruction to enable a wrapping film feeding roller to rotate for feeding a wrapping film, the controller sends an instruction again to enable the wrapping film feeding roller to stop after the specified time, the wrapping film is separated under the rapid rotation of a wrapping belt, the single film winding is finished, and then the steps are repeated. The existing film winding device and the existing film winding method have the following problems: 1. at present, whether the cotton forming the round bales reaches a standard diameter is not detected, and only the timing is simply carried out between two film winding works, so that the fact that the round bales are suitable for film winding is judged, and the diameters of the round bales formed in unit time in the actual work have certain differences, so that the sizes of the cotton bales wound with the films are different and are not standardized enough; 2. because the diameters of the cotton round bales are different, in order to ensure effective film winding and avoid the situation that the parts which are not wrapped exist, the length of the packaging film required by the maximum diameter of the cotton round bale is preset, and a large part of the cotton round bales do not need the packaging film with the length, so that the waste of the packaging film is caused; 3. the packing film feeding roller always keeps a high-speed conveying packing film state in the process of feeding the packing film, and when the packing film needs to be separated and packed after the film winding is finished, the packing film is easily damaged in a high-speed state.
Disclosure of Invention
The invention aims to provide a film winding device and a film winding method for a cotton picker, which can effectively solve the problem that a cotton round bale with a standard diameter cannot be wound by a packaging film with a standard length in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a cotton picker is with twining membrane device, install in cotton picker shaping storehouse, which comprises a frame, a controller, actuating mechanism, the drive roll, twine membrane roller and involucrum book, a controller, actuating mechanism, the drive roll, twine membrane roller and involucrum and all install in the frame, actuating mechanism is connected with the controller, the drive roll is connected with actuating mechanism, twine the membrane roller and be connected with the drive roll, the involucrum book is connected with twining the membrane roller, still including being used for detecting the first sensor of cotton circle bundle diameter and being used for detecting the second sensor that releases and beat the involucrum length, the second sensor is the correlation sensor, first sensor and second sensor all are connected with the controller.
Preferably, the rack is further provided with a rocker arm, one end of the rocker arm is rotatably connected to the rack through a rocker arm shaft, the other end of the rocker arm can rotate along the rocker arm shaft along with the diameter change of the cotton bale, the first sensor is arranged on the rocker arm shaft, and the first sensor is an angle sensor. The angle sensor can detect the angle change of the rocker arm, when the diameter of the cotton round bale is increased to a set diameter, the upward rotating angle of the rocker arm is also a fixed value, the controller receives data sent by the first sensor, and when the upward rotating angle of the rocker arm is judged to reach the fixed value, the cotton round bale can be judged to reach the set diameter, so that the time for winding the film is accurately controlled.
Preferably, the second sensor includes a transmitting end and a receiving end, and the transmitting end and the receiving end are disposed opposite to each other with a gap. The envelope passes through the gap between the transmitting end and the receiving end. Adopt correlation sensor, the response is accurate, the reaction is sensitive, and control that can be accurate quick twines the membrane and stops.
Preferably, the second sensor is disposed between the drive roller and the film-winding roller. The purpose of setting up the second sensor lies in that the accurate detection releases the length of beating the diolame and will detect data transfer and give the controller, sets up the second sensor between drive roll and film-winding roller, can pass through the second sensor at once after beating the diolame and releasing from film-winding roller like this, can stop releasing the diolame fast after the controller judges that the length that releases the diolame reaches the length of setting for, improves control accuracy.
Preferably, labels which can be detected by the correlation sensor are arranged on the packaging film, and the length between every two adjacent labels is the length required by the cotton round bale wrapping film. The labels which can be detected by the correlation sensor are arranged on the packaging film, and the length between two adjacent labels is set to be the length required by the single cotton round bale packaging film, so that the length of the packaging film released by the single packaging film can be ensured to be consistent, and the control is accurate.
Preferably, the driving mechanism comprises at least one film forming motor and a plurality of driving rollers, the film forming motor is in transmission connection with the driving rollers through a belt, all the driving rollers surround to form a space capable of containing the cotton round bale, and one of the driving rollers is also in transmission connection with the driving roller through the belt; the driving roller is fixedly connected with a driving chain wheel, the film winding roller is fixedly connected with a driven chain wheel, and the driving chain wheel is in transmission connection with the driven chain wheel through a chain. The film forming motor drives the driving roller to rotate through the driving roller, the driving roller is connected with the film winding roller through the chain in a transmission mode, the film forming motor drives the film winding roller to rotate, and the film winding roller releases a coating film in the rotating process to wind the film.
Preferably, a first roller and a second roller are arranged above the film winding roller, the first roller and the second roller are arranged in parallel with the film winding roller, and the film wrapping roll is arranged between the first roller and the second roller; the film winding roller is fixedly connected with a driving gear, the first roller and the second roller are fixedly connected with driven gears, and the driving gear is meshed with the driven gears; an electromagnetic clutch is arranged between the driven chain wheel and the driving gear. Set up the diolame book between first roller and second roller, place on the one hand and stabilize difficult the droing, on the other hand first roller and second roller syntropy rotate act on the diolame book can more efficient release beat the diolame, reduce baling membrane radial runout. In addition, the film winding roller, the first roller and the second roller are in gear transmission, and the driving roller and the film winding roller are in chain wheel transmission, so that the advantages of constant transmission ratio, high efficiency, reliability and long service life are achieved. The electromagnetic clutch is arranged between the driven chain wheel and the driving gear, the driving gear rotates after the electromagnetic clutch is electrified and closed, the film wrapping film is released, and the film wrapping roller is controlled to start and stop by the electromagnetic clutch, so that the control time is short, the reliability is high, and errors are not easy to occur.
In order to solve the technical problem, the invention also provides a film winding method of the film winding device for the cotton picker, which comprises the following steps:
s100: the first sensor sends the detection data to the controller, and the controller judges whether the diameter of the cotton round bale reaches a set value;
s200: when the controller judges that the diameter of the cotton round bale reaches a set value, the controller sends an instruction to the driving mechanism, the driving mechanism drives the film winding roller to rotate, and the film winding roller releases, beats and wraps the film and starts to wind the film;
s300: the second sensor sends the detection data to the controller, and the controller judges whether the length of the release coating film reaches a set value;
s400: when the controller judges that the length of the releasing and packaging film reaches a set value, the controller sends an instruction to the driving mechanism, the driving mechanism stops driving the film winding roller to rotate, the packaging film is disconnected, and the film winding is finished.
The film winding method is adopted to wind the cotton round bales formed in the forming bin, and the packaging film with standard length can be used for winding the cotton round bales with standard diameter, so that the use of packaging films is saved, the waste is avoided, and the cotton bales with uniform specifications can be obtained.
The film winding device for the cotton picker further comprises a third sensor for detecting the length of the released packaging film, the third sensor is a rotating speed sensor and is arranged on the side surface of the first roller, and the third sensor faces to the driven gear on the first roller. The length of the releasing and coating film is detected through the third sensor, detection data are sent to the controller, when the controller judges that the length of the releasing and coating film reaches a half of a set value, the controller sends an instruction to the film forming motor, and the film forming motor controls the film winding roller to reduce the rotating speed, so that the coating film can be separated at a lower speed, the packaging film is prevented from being damaged, the failure frequency is reduced, the shutdown frequency is reduced, and the working efficiency is improved.
In order to solve the technical problem, the invention also provides a film winding method of the film winding device for the cotton picker, which comprises the following steps:
s100: the first sensor sends the detection data to the controller, and the controller judges whether the diameter of the cotton round bale reaches a set value;
s200: when the controller judges that the diameter of the cotton round bale reaches a set value, the controller sends an instruction to the driving mechanism, the driving mechanism drives the film winding roller to rotate, and the film winding roller releases, beats and wraps the film and starts to wind the film;
s300: the third sensor sends the detection data to the controller, and the controller judges whether the length of the release coating film reaches half of a set value;
s400: when the controller judges that the length of the releasing and coating film reaches half of the set value, the controller sends an instruction to the driving mechanism, and the driving mechanism drives the film winding roller to reduce the rotating speed, so that the releasing and coating film is reduced to half of the original releasing speed.
S500: the second sensor sends the detection data to the controller, and the controller judges whether the length of the release coating film reaches a set value;
s600: when the controller judges that the length of the releasing and packaging film reaches a set value, the controller sends an instruction to the driving mechanism, the driving mechanism stops driving the film winding roller to rotate, the packaging film is disconnected, and the film winding is finished.
The film winding method is adopted to wind the cotton round bales formed in the forming bin, not only can the packing films with standard length be used for winding the cotton round bales with standard diameters, but also the films can be separated and packaged at a lower rotating speed after the film winding is finished, so that the use of packaging films is saved, the waste is avoided, the cotton bales with uniform specifications are obtained, the packaging films can be separated and packaged, and the failure occurrence rate is reduced.
Compared with the prior art, the invention has the following beneficial effects: the diameter of the cotton round bale is detected through the first sensor, and whether the diameter of the cotton round bale reaches a set diameter or not is judged through the controller, so that when the cotton round bale starts to be wound with the film can be accurately controlled; detect through the second sensor and release packing membrane length, rethread controller judges that release packing membrane length reaches the setting value, can accurate control when ending twine the membrane, just so can use the packing membrane of beating of unified standard length to twine the membrane to the cotton circle bundle that has unified standard diameter, twine the cotton bale specification that obtains behind the membrane unified, the packing membrane length that every cotton bale used is clear and definite, as long as set for according to required standard length can, can not go out and twine the condition of membrane for the less cotton circle bundle of diameter with longer packing membrane, the waste of packing membrane has been avoided, and production cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a film winding device for a cotton picker according to an embodiment;
FIG. 2 is a schematic view of the connection between the driving roller and the film-winding roller in the first embodiment;
FIG. 3 is an electrical control schematic diagram of a film winding device for a cotton picker according to one embodiment;
FIG. 4 is a schematic view of the connection between the driving roller and the film-winding roller in the second embodiment;
FIG. 5 is an electrical control schematic diagram of a film winding device for a cotton picker according to a second embodiment;
fig. 6 is a schematic workflow diagram of a film winding method provided in the third embodiment.
Fig. 7 is a schematic workflow diagram of a film winding method according to the fourth embodiment
The automatic film wrapping machine comprises a driving mechanism 1, a film forming motor 11, a driving roller 12, a driving roller 2, a film wrapping roller 3, a film wrapping roller 31, a first roller 32, a second roller 4, a film wrapping roll 40, a wrapping film 5, a first sensor 6, a second sensor 60, an emitting end 61, a receiving end 7, a third sensor 8, a rocker arm 80, a rocker arm shaft 9 and a belt.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The first embodiment is as follows: as shown in fig. 1 to 3, a film winding device for a cotton picker according to a first embodiment of the present invention is installed in a forming bin of the cotton picker, and includes a frame, a controller, a driving mechanism 1, a driving roller 2, a film winding roller 3, and a film wrapping roll 4, wherein the controller, the driving mechanism 1, the driving roller 2, the film winding roller 3, and the film wrapping roll 4 are all installed on the frame, the driving mechanism 1 is connected to the controller, the driving roller 2 is connected to the driving mechanism 1, the film winding roller 3 is connected to the driving roller 2, and the film wrapping roll 4 is connected to the film winding roller 3, and further includes a first sensor 5 for detecting a diameter of a cotton round bale and a second sensor 6 for detecting a length of a released coating film 40, the second sensor 6 is an opposite-jet sensor, and the first sensor 5 and the second sensor 6 are both connected to the controller.
The working principle of the film winding device provided by the embodiment is as follows: the controller in the film winding device is provided with an input and output interface, the first sensor 5 and the second sensor 6 are connected with the input interface of the controller through wiring harnesses, the signal transmission speed is high, and accurate control can be performed. The diameter of the cotton round bale is detected through the first sensor 5, detection data are sent to the controller, and if the controller judges that the diameter of the cotton round bale reaches a set diameter, the controller outputs an instruction to control the driving mechanism 1 to drive the film winding roller 3 to rotate and start to release the coating film 40; the second sensor 6 detects the length of the released coating film 40 and sends detection data to the controller, and if the controller judges that the length of the released coating film 40 reaches the set length, the controller outputs an instruction to control the driving mechanism 1 to brake the film winding roller 3 and stop releasing the coating film 40. Just so can realize that accurate control begins and finishes the time of twining the membrane, can use the membrane 40 of beating of unified standard length to twine the membrane to the cotton circle bundle that has unified standard diameter, twine the cotton bale specification that obtains behind the membrane unified, the membrane 40 length of beating that every cotton bale used is clear and definite, as long as set for according to required standard length can, can not go out and twine the condition of membrane for the less cotton circle bundle of diameter with longer membrane 40 of beating, avoided the waste of packing membrane 40, reduction in production cost.
In this embodiment, the specific arrangement manner of the first sensor 5 may be as follows: the rack is also provided with a rocker arm 8, one end of the rocker arm 8 is rotatably connected to the rack through a rocker arm shaft 80, the other end of the rocker arm 8 can rotate along the rocker arm shaft 80 along with the diameter change of the cotton bale, the first sensor 5 is arranged on the rocker arm shaft 80, and the first sensor 5 is an angle sensor. In this embodiment, the rocker arm 8 is horizontal in the initial state, and a baffle may be disposed on the frame at a position close to the rocker shaft 80, so that the rocker arm 8 is restricted by the baffle when it is horizontal and cannot rotate downward. The diameter of the cotton bale in the forming chamber gradually increases to contact the rocker arm 8, and then the diameter of the cotton bale continues to increase to cause the rocker arm 8 to pivot upward along the rocker shaft 80. The first sensor 5 is an angle sensor which can detect the change of the angle of the rocker arm 8, when the diameter of the cotton round bale is increased to a set diameter, the upward rotating angle of the rocker arm 8 is also a fixed value, the controller receives data sent by the first sensor, and when the upward rotating angle of the rocker arm 8 is judged to reach the fixed value, the cotton round bale can be judged to reach the set diameter, so that the start time of film winding is accurately controlled.
The second sensor 6 includes a transmitting end 60 and a receiving end 61, the transmitting end 60 and the receiving end 61 are disposed opposite to each other and have a gap, and the encapsulating film 40 passes through the gap between the transmitting end 60 and the receiving end 61. Adopt correlation sensor, the response is accurate, the reaction is sensitive, and control that can be accurate quick twines the membrane and stops.
To further improve the control accuracy, the second sensor 6 is provided between the drive roll 2 and the winding roll 3 in the present embodiment. The purpose of setting up second sensor 6 lies in the accurate length that releases the envelope of beating 40 and with test data transfer to controller, sets up second sensor 6 between drive roll 2 and film winding roller 3, can pass through second sensor 6 after the envelope of beating 40 releases from film winding roller 3 like this, can stop to release the envelope of beating 40 the fastest after the controller judges that the length that releases the envelope of beating 40 reaches the settlement length, improves control accuracy.
Wherein, can set up the subsides that correlation sensor can detect on beating membrane 40, the length between the adjacent subsides is the required length of a cotton circle bundle wrapping membrane. Set up the subsides mark that can be detected by correlation sensor on baling film 40 to length between adjacent two subsides marks is set as the required length of single cotton circle bundle wrapping film, can guarantee like this that baling film 40 length that single twine membrane release is unanimous, and control is accurate.
The drive mechanism 1 in the present embodiment adopts the following structure: the driving mechanism 1 comprises at least one film forming motor 11 and a plurality of driving rollers 12, the film forming motor 11 is in transmission connection with the driving rollers 12 through a belt 9, all the driving rollers 12 surround to form a space capable of containing cotton round bales, and one of the driving rollers 12 is also in transmission connection with the driving roller 2 through a belt; fixedly connected with drive sprocket on the drive roll 2 twines fixedly connected with driven sprocket on the membrane roller 3, and drive sprocket passes through chain drive with driven sprocket and is connected. The film forming motor 11 drives the driving roller 2 to rotate through the driving roller 12, the driving roller 2 is connected with the film winding roller 3 through chain transmission, the film forming motor 11 drives the film winding roller 3 to rotate, and the film winding roller 3 releases the packaging film 40 in the rotating process to wind the film.
Wherein, a first roller 31 and a second roller 32 are arranged above the film-winding roller 3, the first roller 31 and the second roller 32 are arranged in parallel with the film-winding roller 3, and the film-coating roll 4 is arranged between the first roller 31 and the second roller 32; a driving gear is fixedly connected to the film winding roller 3, and driven gears are fixedly connected to the first roller 31 and the second roller 32 and are meshed with each other; an electromagnetic clutch is arranged between the driven chain wheel and the driving gear. The film-winding roller 3, the first roller 31 and the second roller 32 are in gear transmission, and the driving roller 2 and the film-winding roller 3 are in chain wheel transmission, so that the advantages of constant transmission ratio, high efficiency, reliability and long service life are achieved. In addition, the enveloping roll 4 is arranged between the first roller 31 and the second roller 32, so that the enveloping roll is stably placed and is not easy to fall off, and on the other hand, the first roller 31 and the second roller 32 rotate in the same direction and act on the enveloping roll 4, so that the enveloping roll 40 can be released more efficiently, and the radial run-out of the enveloping roll 40 is reduced. An electromagnetic clutch is arranged between a driven chain wheel and a driving gear, the driving gear rotates after the electromagnetic clutch is electrified and closed, the film packaging film 40 is released, and the film packaging roller 3 is controlled to start and stop by the electromagnetic clutch, so that the control time is short, the reliability is high, and errors are not easy to occur.
In the embodiment, the electrical control principle is as shown in fig. 3, the first sensor 5 sends detection data to the controller, the controller sends a command to the electromagnetic clutch when judging that the diameter of the cotton round bale reaches a set diameter, the electromagnetic clutch is electrified and closed, then the driving gear rotates, and the first roller 31 and the second roller 32 are driven to rotate to release the packaging film 40; the second sensor 6 sends detection data to the controller, the controller sends an instruction to the electromagnetic clutch 13 when judging that the released packaging film 40 reaches a set length, the electromagnetic clutch 13 is powered off and separated, the driving gear stops rotating and stops releasing the packaging film 40, the driving roller 2 still drives the packaging film 40 released before to rotate, and the packaging film 40 is separated instantly under the driving of the driving roller 2.
As shown in fig. 6, the following describes in detail a film winding method using the film winding device for the cotton picker according to this embodiment, including the following steps:
s100: the first sensor 5 sends the detection data to the controller, and the controller judges whether the diameter of the cotton round bale reaches a set value;
s200: when the controller judges that the diameter of the cotton round bale reaches a set value, the controller sends an instruction to the driving mechanism 1, the driving mechanism 1 drives the film winding roller 3 to rotate, and the film winding roller 3 releases the packaging film 40 to start film winding;
s300: the second sensor 6 sends the detection data to the controller, and the controller judges whether the length of the release coating film 40 reaches a set value;
s400: when the controller judges that the length of the releasing envelope 40 reaches a set value, the controller sends an instruction to the driving mechanism 1, the driving mechanism 1 stops driving the film winding roller 3 to rotate, the envelope 40 is disconnected, and the film winding is finished.
The film winding method is adopted to wind the cotton round bales formed in the forming bin, the cotton round bales with standard diameters can be wound by using the packaging film 40 with standard length, the use of the packaging film 40 is saved, the waste is avoided, and cotton bales with uniform specifications can be obtained.
Example two: as shown in fig. 4 and 5, the present embodiment is different from the above embodiments in that the film winding device for the cotton picker provided by the present embodiment is further provided with a third sensor 7, specifically: the film wrapping apparatus further includes a third sensor 7 for detecting the length of the discharged envelope 40, the third sensor 7 being a rotational speed sensor, the third sensor 7 being disposed on the side of the first roller 31, the third sensor 7 facing the driven gear on the first roller 31.
Fig. 5 shows an electrical control principle of the film winding apparatus according to this embodiment, in which the control principle of the first sensor 5 and the second sensor 6 is the same as that of the first embodiment, the third sensor 7 sends detection data to the controller, and when the controller determines that the length of the discharged envelope 40 reaches half of the set value, the controller sends a command to the film forming motor to reduce the output rotation speed of the film forming motor, so that the rotation speed of the film winding roller 3 is correspondingly reduced. The principle in which the third sensor 7 detects the release of the length of the envelope 40 is explained as follows: the third sensor 7 is a rotational speed sensor and faces the driven gear on the first roller 31, when the driven gear rotates, the teeth (each convex portion for meshing on the gear) and the teeth (the space between adjacent teeth) of the driven gear pass in sequence before the third sensor 7 to form pulse signals, the controller can record the number of the formed pulse signals, the number of the pulse signals is divided by the number of the teeth (the total number of the teeth) of the driven gear to measure the number of turns of the driven gear, and then the number of turns of the driven gear is multiplied by the circumferential length of the first roller 31 to obtain the length of the released wrapping film 40. And the number of the pulse signals in unit time is divided by the number of the teeth of the driven gear to calculate the rotating speed of the driven gear, so that the rotating speed change of the film winding roller 3 before and after the speed reduction can be verified, and whether the speed reduction of the film winding roller 3 is finished or not can be detected.
Based on the above distinguishing technical characteristics, the third sensor 7 can control the film forming motor to reduce the output rotating speed and reduce the speed of releasing the envelope 40 when the envelope 40 is released by half the length, so that the envelope 40 can be separated at a lower speed after the envelope winding and packaging are completed, the envelope 40 is prevented from being damaged, the frequency of faults is reduced, the shutdown frequency is reduced, and the working efficiency is improved. The reduced rotation speed should ensure that the envelope 40 is not damaged when the envelope 40 is separated, and on the other hand, the rotation speed should be enough to separate the envelope 40, and in this embodiment, the rotation speed is set to be reduced to half of the original rotation speed.
As shown in fig. 7, the following describes in detail a film winding method using the film winding device for the cotton picker according to this embodiment, including the following steps:
s100: the first sensor 5 sends the detection data to the controller, and the controller judges whether the diameter of the cotton round bale reaches a set value;
s200: when the controller judges that the diameter of the cotton round bale reaches a set value, the controller sends an instruction to the driving mechanism 1, the driving mechanism 1 drives the film winding roller 3 to rotate, and the film winding roller 3 releases the packaging film 40 to start film winding;
s300: the third sensor 7 sends the detection data to the controller, and the controller judges whether the length of the release coating film 40 reaches half of a set value;
s400: when the controller judges that the length of the releasing and coating film 40 reaches half of the set value, the controller sends an instruction to the driving mechanism 1, and the driving mechanism 1 drives the film winding roller 3 to reduce the rotating speed, so that the speed of releasing and coating film 40 is reduced to half of the original releasing speed.
S500: the second sensor 6 sends the detection data to the controller, and the controller judges whether the length of the release coating film 40 reaches a set value;
s600: when the controller judges that the length of the releasing envelope 40 reaches a set value, the controller sends an instruction to the driving mechanism 1, the driving mechanism 1 stops driving the film winding roller 3 to rotate, the envelope 40 is disconnected, and the film winding is finished.
The film winding method is adopted to wind the cotton round bales formed in the forming bin, so that the cotton round bales with standard diameters can be wound by using the coating film 40 with standard length, the coating film 40 can be separated at a lower rotating speed after the film winding is finished, the use of the coating film 40 is saved, the waste is avoided, the cotton bales with uniform specifications are obtained, the coating film 40 cannot be damaged during the separation of the coating film 40, and the fault occurrence rate is reduced.
The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (10)
1. The utility model provides a cotton picker is with twining membrane device, installs in cotton picker shaping storehouse, includes frame, controller, actuating mechanism (1), drive roll (2), twines membrane roller (3) and involucrum and roll up (4), controller, actuating mechanism (1), drive roll (2), twine membrane roller (3) and involucrum and roll up (4) and all install in the frame, actuating mechanism (1) is connected with the controller, drive roll (2) are connected with actuating mechanism (1), twine membrane roller (3) and be connected with drive roll (2), involucrum and roll up membrane roller (3) and be connected its characterized in that: the cotton bale breaking machine also comprises a first sensor (5) for detecting the diameter of a cotton round bale and a second sensor (6) for detecting the length of the released bale breaking film (40), wherein the second sensor (6) is a correlation sensor, and the first sensor (5) and the second sensor (6) are both connected with a controller.
2. The film winding device for the cotton picker according to claim 1, wherein: the cotton bale harvester is characterized in that the rack is further provided with a rocker arm (8), one end of the rocker arm (8) is rotatably connected to the rack through a rocker arm shaft (80), the other end of the rocker arm (8) can rotate along the rocker arm shaft (80) along with the diameter change of a cotton bale, the first sensor (5) is arranged on the rocker arm shaft (80), and the first sensor (5) is an angle sensor.
3. The film winding device for the cotton picker according to claim 1, wherein: the second sensor (6) comprises a transmitting end (60) and a receiving end (61), the transmitting end (60) and the receiving end (61) are arranged oppositely and provided with a gap, and the packaging film (40) penetrates through the gap between the transmitting end (60) and the receiving end (61).
4. A film wrapping apparatus for a cotton picker according to claim 3, wherein: the second sensor (6) is arranged between the driving roller (2) and the film winding roller (3).
5. A film wrapping apparatus for a cotton picker according to claim 3, wherein: labels which can be detected by a second sensor (6) are arranged on the coating film (40), and the length between every two adjacent labels is the length required by a cotton round bale coating film.
6. The film winding device for the cotton picker according to claim 1, wherein: the driving mechanism (1) comprises at least one film forming motor (11) and a plurality of driving rollers (12), the film forming motor (11) is in transmission connection with the driving rollers (12) through a belt (9), all the driving rollers (12) surround to form a space capable of containing cotton round bales, and one of the driving rollers (12) is also in transmission connection with the driving roller (2) through the belt (9);
the film winding machine is characterized in that a driving chain wheel is fixedly connected to the driving roller (2), a driven chain wheel is fixedly connected to the film winding roller (3), and the driving chain wheel is connected with the driven chain wheel in a chain transmission mode.
7. The film winding device for the cotton picker according to claim 6, wherein: a first roller (31) and a second roller (32) are arranged above the film winding roller (3), the first roller (31) and the second roller (32) are arranged in parallel with the film winding roller (3), and the film wrapping roll (4) is arranged between the first roller (31) and the second roller (32);
a driving gear is fixedly connected to the film winding roller (3), and driven gears are fixedly connected to the first roller (31) and the second roller (32) and are meshed with each other;
and an electromagnetic clutch is arranged between the driven chain wheel and the driving gear.
8. The film winding device for the cotton picker according to claim 7, wherein: the film winding device further comprises a third sensor (7) for detecting the length of the released packaging film (40), the third sensor (7) is a rotating speed sensor, the third sensor (7) is arranged on the side surface of the first roller (31), and the third sensor (7) faces to the driven gear on the first roller (31).
9. A film winding method using the film winding device for the cotton picker according to any one of claims 1 to 7, comprising the steps of:
s100: the first sensor (5) sends detection data to the controller, and the controller judges whether the diameter of the cotton round bale reaches a set value;
s200: when the controller judges that the diameter of the cotton round bale reaches a set value, the controller sends an instruction to the driving mechanism (1), the driving mechanism (1) drives the film winding roller (3) to rotate, and the film winding roller (3) releases the packaging film (40) to start film winding;
s300: the second sensor (6) sends detection data to a controller, and the controller judges whether the length of the release coating film (40) reaches a set value;
s400: when the controller judges that the length of the releasing and coating film (40) reaches a set value, the controller sends an instruction to the driving mechanism (1), the driving mechanism (1) stops driving the film winding roller (3) to rotate, the coating film (40) is disconnected, and the film winding is finished.
10. A film winding method using the film winding device for the cotton picker according to claim 8, comprising the steps of:
s100: the first sensor (5) sends detection data to the controller, and the controller judges whether the diameter of the cotton round bale reaches a set value;
s200: when the controller judges that the diameter of the cotton round bale reaches a set value, the controller sends an instruction to the driving mechanism (1), the driving mechanism (1) drives the film winding roller (3) to rotate, and the film winding roller (3) releases the packaging film (40) to start film winding;
s300: the third sensor (7) sends detection data to a controller, and the controller judges whether the length of the release coating film (40) reaches half of a set value;
s400: when the controller judges that the length of the releasing and coating film (40) reaches half of a set value, the controller sends an instruction to the driving mechanism (1), and the driving mechanism (1) drives the film winding roller (3) to reduce the rotating speed, so that the speed of the releasing and coating film (40) is reduced to be half of the original releasing speed;
s500: the second sensor (6) sends detection data to a controller, and the controller judges whether the length of the release coating film (40) reaches a set value;
s600: when the controller judges that the length of the releasing and coating film (40) reaches a set value, the controller sends an instruction to the driving mechanism (1), the driving mechanism (1) stops driving the film winding roller (3) to rotate, the coating film (40) is disconnected, and the film winding is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835672.XA CN112193466A (en) | 2020-08-19 | 2020-08-19 | Film winding device and method for cotton picker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835672.XA CN112193466A (en) | 2020-08-19 | 2020-08-19 | Film winding device and method for cotton picker |
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| CN112193466A true CN112193466A (en) | 2021-01-08 |
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| CN202010835672.XA Pending CN112193466A (en) | 2020-08-19 | 2020-08-19 | Film winding device and method for cotton picker |
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