CN110979867A - Traction type intelligent cotton packing control method and system - Google Patents
Traction type intelligent cotton packing control method and system Download PDFInfo
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- CN110979867A CN110979867A CN201911325001.2A CN201911325001A CN110979867A CN 110979867 A CN110979867 A CN 110979867A CN 201911325001 A CN201911325001 A CN 201911325001A CN 110979867 A CN110979867 A CN 110979867A
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- 230000009471 action Effects 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 18
- 238000009960 carding Methods 0.000 claims description 17
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 210000001161 mammalian embryo Anatomy 0.000 claims description 7
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
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- 238000005056 compaction Methods 0.000 description 4
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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
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
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Abstract
The invention provides a traction type intelligent cotton packing control method and a traction type intelligent cotton packing control system, wherein the system comprises the following steps: the cotton collecting box is used for receiving cotton to be treated and shaping the cotton into cotton sheets for output; the cotton forming box is used for receiving the cotton sheets output by the cotton collecting box (28) and bundling the cotton sheets into a film to form a cotton package; the power transmission device is used for receiving power and distributing and transmitting the power so as to drive the cotton collecting box (28) and the cotton forming box (19) to act; the hydraulic control device is used for controlling the actions of the cotton forming box (19) and the cotton collecting box (28); the main control device is used for controlling the hydraulic control mechanism; a frame (42) and a traveling mechanism (43); the detection unit is used for collecting the overall dimension of the cotton bale embryos in the finished cotton box (19), collecting pressure information applied to the cotton bale embryos and output diaphragm length information. The invention also provides a traction type intelligent cotton packing control method. The cotton packing method and the cotton packing system can manufacture cotton bales with consistent specifications.
Description
Technical Field
The invention relates to the field of cotton bundling and harvesting machinery, in particular to a cotton bale packing method for forming cotton bale packing films by cotton bundling films fed into a cotton bundling machine after picked by a picking machine in a picking process and a traction type intelligent cotton bale packing system for realizing the method.
Background
Cotton pickers can be classified into pneumatic type cotton pickers, comb type cotton pickers, spindle type cotton pickers, vibration type cotton pickers, roller type cotton pickers, and the like. The horizontal spindle type cotton picker in spindle type is the most widely used type at home and abroad, the horizontal spindle type cotton picker is mostly self-propelled, and the representative type is the American John Diel 7760 type. The cotton picker with the horizontal spindle picking mechanism is a cotton picker with various cotton pickers, and the impurity content of the cotton pickers is the lowest, but is close to about 10%. The cotton picking is mainly carried out by a combined machine, cotton picking and cotton packing are carried out simultaneously, and the cotton is wrapped after the cotton picking is finished, so that the impurity rate of the wrapped cotton is kept at about 10 percent. The cotton picker includes a horizontal spindle type cotton picker such as a box type cotton picker like john dill 7760, usa. When the horizontal spindle type cotton picker collects the fully stored cotton boxes, the work can be continued by pouring the cotton boxes (mainly pouring the cotton boxes to the ground for boxing and transportation). The trash content of the cotton can be increased in the process of pouring the cotton box, and can be increased to about 15% -30%. The higher impurity content leads to the increase of the cotton cleaning process in the later processing of cotton and the increase of the production cost.
Patent CN1321556C discloses a pulling type bundling machine, which can collect the cotton poured from the cotton picker, bundle the picked cotton to form a bale, and then discharge the bale. The cotton bale bundling machine does not detect the cotton bale size and the cotton compaction degree in the process of bundling and wrapping cotton with a film in the operation process. Therefore, in the technical solution disclosed in CN1321556C, it is not monitored whether the sizes of the finally formed and discharged cotton bales are uniform or not, and whether the cotton bale compactness is uniform or not. This results in the size of the resulting bale and the degree of compaction of the cotton in the bale not being uniform, resulting in uneven quality of the wrapped bale.
Disclosure of Invention
The invention aims to provide a cotton packing control method with consistent cotton bale specification and a traction type cotton packing system for realizing the method.
In order to achieve the above object, the invention provides a traction type intelligent cotton packing control method, which comprises the following steps:
a. scattering cotton input into the traction type cotton packing system;
b. conveying the scattered cotton so as to carry out shaping treatment on the cotton;
c. arranging the scattered cotton to form cotton sheets, rolling the cotton bundles shaped into the cotton sheets into bundles to form cotton bundle blanks, and acquiring the overall dimension information of the cotton bundle blanks and the pressure information applied to the cotton bundle blanks in the bundling process;
d. comparing the acquired size and pressure information with a preset value, stopping wrapping the wrapping cotton bale embryo by the film for bundling when the preset value is reached, and acquiring the length of the inputted film by a sensor in the process of wrapping the film;
e. and comparing the acquired length information of the film with a preset value, and stopping conveying the film when the preset value is reached to form a bundled and shaped cotton bale.
In accordance with one aspect of the present invention,
in the step (b), collecting output information of the cotton conveying device, such as the rotating speed of a driving motor, in the process of transmitting the scattered cotton, when the output information is less than a preset value, indicating the conveying device to drive reversely, and indicating the conveying device to drive positively after a period of time;
in the step (c), displaying the collected size information and pressure information on a display;
in said step (d), displaying the stored number of membranes on a display.
According to one aspect of the invention, the step (e) collects the overall dimension information and weight information of the formed cotton bale, and uploads the collected information to the satellite;
the traction type cotton packing system is positioned in real time through a satellite, and the cotton is started or stopped to be processed.
The cotton baling system includes:
the cotton collecting box is used for receiving cotton to be treated and shaping the cotton into cotton sheets for output;
the cotton forming box is used for receiving the cotton sheets output by the cotton collecting box and bundling and coating the cotton sheets to form a cotton package;
the power transmission device is used for receiving power and distributing and transmitting the power so as to drive the cotton collecting box and the cotton forming box to act;
the hydraulic control device is used for controlling the actions of the cotton box and the cotton collecting box;
the main control device is used for controlling the hydraulic control mechanism;
a frame and a traveling mechanism;
the detection unit is used for collecting the overall dimension of the cotton bale embryos in the integrated cotton box, collecting pressure information applied to the cotton bale embryos and output diaphragm length information.
According to one aspect of the invention, the hopper comprises:
the cotton collecting box is used for receiving and accommodating cotton to be treated;
the carding mechanism comprises a carding part and a carding hydraulic motor, wherein the carding part is used for carding cotton input into the cotton collecting box, scattering the cotton to be fluffy, and the carding hydraulic motor is used for driving the carding part to operate;
the conveying mechanism comprises a scraper conveyor belt for conveying cotton and a scraper hydraulic motor for driving the scraper conveyor belt;
the forming mechanism comprises a feeding roller for shaping the cotton processed by the carding structure into cotton sheets and a feeding roller hydraulic motor for driving the shaping part to operate;
the output mechanism comprises an output roller and a feeding motor for driving the output roller;
the conveying mechanism, the forming mechanism and the output mechanism are arranged in the cotton collecting box body and are sequentially arranged along the bottom of the box body.
According to one aspect of the invention, the hopper comprises:
the cotton forming box body is used for receiving and accommodating cotton sheets output from the cotton collecting box and comprises a box body shell and a box body bin door;
the bundling mechanism comprises a bundling rocker arm and a bundling belt for bundling cotton sheets input into the cotton bundling box body from the cotton collecting box into cotton bundles, and a bundling oil cylinder for applying pressure to cotton bundle blanks;
the film feeding and packaging mechanism comprises a film storage supporting part, a film conveying part and a driving part;
an electromagnetic clutch for controlling the input of the driving force of the film feeding and packaging mechanism;
the film feeding counting sensor is used for recording the number of the films fed by the film feeding and packaging mechanism;
the bin opening mechanism comprises a bin gate driving part and a bin opening oil cylinder, wherein the bin gate driving part is used for driving a bin gate of the box body of the cotton forming box body to be opened and/or closed.
According to an aspect of the present invention, the power transmission device includes:
the power receiving mechanism is used for receiving power transmitted into the cotton processing equipment and distributing the power and then transmitting the power out;
the speed reducing mechanism is used for receiving the power distributed and transmitted by the power receiving mechanism;
the chain transmission mechanism is used for receiving the power output by the speed reducing mechanism and driving the cotton box;
the mechanical clutch is arranged between the speed reducing mechanism and the chain transmission mechanism and is used for controlling the power input into the chain transmission mechanism;
and a mechanical clutch cylinder for closing or releasing the mechanical clutch under the control of the hydraulic control device.
According to an aspect of the present invention, the hydraulic control apparatus includes:
a hydraulic pump;
an oil tank for containing a hydraulic medium and a cooling fan for cooling return oil;
and the hydraulic control valve group is used for controlling the hydraulic actuating element.
According to an aspect of the present invention, the power transmission device includes:
the power receiving mechanism is used for receiving power transmitted into the cotton processing equipment and distributing the power and then transmitting the power out;
the cotton forming box drives a hydraulic motor, and supplies driving force to the cotton forming box under the control of the hydraulic control valve group.
According to an aspect of the present invention, the master control apparatus includes:
the main controller is used for processing information and sending a control instruction to the hydraulic control valve group according to a processing result;
and the power supply part comprises a motor driven by the power receiving mechanism and a battery which is charged by the motor and supplies power to the main controller, and the battery is a lithium battery.
According to one aspect of the invention, the system further comprises a display for displaying information processed by the main controller, position information of the pull-type cotton packing system obtained through satellite positioning, bale size information and bale weight information.
According to an aspect of the invention, the detection unit comprises:
the pressure sensor is used for detecting pressure information applied to the cotton bale embryos in the bundling process of the cotton bale embryos and transmitting the acquired pressure information to the main controller;
the angle sensor is used for detecting the rotating angle information of the bundling rocker arm and transmitting the collected angle information to the main controller;
and the sensor is used for acquiring the length information of the diaphragm output in the process of coating the cotton bale embryo by the film and transmitting the length information to the main controller.
According to an aspect of the invention, the detection unit further comprises:
and the rotating speed sensor is used for acquiring rotating speed information of the hydraulic motor in the conveying mechanism, the output mechanism and the forming mechanism in the cotton collecting box and transmitting the rotating speed information to the main controller.
According to one aspect of the invention, the main controller compares the received rotation speed information with the previously received rotation speed information, and when the next rotation speed information is less than the previous rotation speed information, the main controller instructs the hydraulic control valve group to reverse, stops supplying liquid to the hydraulic motors in the delivery mechanism, the output mechanism and the forming mechanism in the cotton collecting box, and reversely supplies liquid to the hydraulic motor of the output mechanism to drive the output mechanism to overturn.
According to one aspect of the invention, the cotton discharging device and the temperature sensor are further included;
the cotton unloading device comprises a cotton unloading device, a cotton unloading oil cylinder for driving the cotton unloading device and a sensor for recording cotton bales passing through the cotton unloading device;
the temperature sensor is used for collecting temperature information of a hydraulic medium in an oil tank in the hydraulic control device and transmitting the collected temperature information to the main controller.
According to one aspect of the invention, the power receiving mechanism is arranged on one side of the frame, and the cotton collecting box, the cotton forming box, the power transmission device, the hydraulic control device, the main control device and the detection unit are arranged on the other side of the frame.
According to the technical scheme of the invention, the power receiving mechanism is arranged on one side of the rack, and the cotton collecting box, the cotton forming box, the power transmission device, the hydraulic control device, the main control device and the detection unit are arranged on the other side of the rack.
According to the system, the rotating speed of the hydraulic motor in the output mechanism is detected by the rotating speed sensor, the main controller compares the acquired information with a preset value, then judges whether the cotton outlet of the cotton collecting box is blocked or not, and displays the information on the display. Therefore, the blockage fault of the cotton outlet can be automatically detected, controlled and eliminated. Meanwhile, an operator can visually monitor the blockage condition of the cotton outlet through the display.
According to the system, the main controller calculates the overall dimension information of the cotton bale through the rotating angle of the baling rocker arm collected by the angle sensor. Meanwhile, the pressure sensor detects the pressure in the bundling oil cylinder which applies pressure to the cotton bundle in the bundling process, and transmits the acquired data to the main controller. The main controller adjusts the pressure applied to the bale in real time so that the cotton compactness in the bale is relatively consistent. When the detection values of the two sensors reach preset values, bundling is stopped, and then film wrapping is carried out, so that the sizes of the cotton bales finally output by the device are uniform, and the compactness of the cotton is uniform. The finally output cotton bale has uniform size and weight.
In the system according to the invention, the number of sheets that have been fed out and wrapped in the bale is detected by means of a counting sensor, and the number of remaining sheets carried in the device is displayed on a display screen. Therefore, the operator can know the condition of the rest diaphragm in real time and supplement the diaphragm in time according to the requirement. Thereby eliminating the occurrence of downtime due to insufficient membrane.
In the system according to the invention, the chain drive can be disconnected from the power transmission chain by providing a mechanical clutch, whereby the drive of the cotton-forming boxes is stopped. In this state, the cotton collecting box can continue to work. The cotton collecting box is mainly used for stopping cotton forming treatment and waiting for normal cotton output of the cotton collecting box when the quantity of cotton input into the cotton collecting box is insufficient or the quantity of cotton sheets conveyed to the cotton forming box by the cotton collecting box is insufficient. This will allow the hopper and the hopper in the system according to the invention to work in coordination with each other for a balanced treatment of the cotton. Further avoiding that the size and the weight of the last cotton bale output by the cotton collecting box are not in accordance with the requirements due to the insufficient quantity of the cotton introduced into the cotton forming box from the cotton collecting box. Thereby ensuring the size of the cotton bale and the compactness of the cotton to be consistent.
Drawings
FIG. 1 is an overall block diagram schematically illustrating a pull-type cotton baling system to which the cotton baling method and system of the present invention are applied;
FIG. 2 is a schematic view schematically illustrating a cotton baling system according to a first embodiment of the present invention;
fig. 3 is a schematic view schematically showing a cotton baling system according to a second embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In describing embodiments of the present invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship that is based on the orientation or positional relationship shown in the associated drawings, which is for convenience and simplicity of description only, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above-described terms should not be construed as limiting the present invention.
The present invention is described in detail below with reference to the drawings and the specific embodiments, which are not repeated herein, but the embodiments of the present invention are not limited to the following embodiments.
FIG. 1 schematically illustrates a pull-type intelligent cotton baling system according to the present invention. Fig. 2 and 3 schematically illustrate in block diagram form the components of the pull-type intelligent cotton baling system according to the present invention, the interconnections and functional relationships between the various components. And more particularly to the operation of the pull-type cotton baling system according to the present invention. Fig. 2 shows an embodiment in which power is transmitted to the hopper and the hopper by a mechanical mechanism, and fig. 3 shows an embodiment in which the hopper and the hopper are driven by a hydraulic motor.
In the embodiment shown in fig. 1, the system for pulling cotton bale wrapping according to the present invention does not itself comprise a power plant for providing the power required for the driving device to walk, for the processing work of the cotton input therein, etc. All power is input externally, for example, through a tractor or tractor for towing. As shown in fig. 1, a tractor transmits power to a power receiving mechanism 1 used in a traction type cotton baling system through a propeller shaft, thereby inputting power into the cotton baling system. In a cotton picking operation, the cotton picker picks cotton from the cotton plant and then delivers the picked cotton to a pull-type cotton baling system according to the present invention, i.e., into a cotton collection bin 28, shown in FIG. 1. The cotton is initially pretreated and conveyed to the cotton-forming box 19 located behind the cotton-collecting box 28, i.e. on the right in the figure, and is packed in bales in the cotton-forming box 19 for transport and storage. In this embodiment, a system for pull-behind cotton baling according to the present invention is generally operated by tractor pulling in conjunction with a pull-behind cotton picker, operating in synchronization. As shown in fig. 1, the tractor pulls the pull-behind cotton bale system to the left in the figure. The bale formed bale is discharged from the right side of the figure, i.e., the rear of the cotton processing apparatus.
As shown in fig. 1, the pull-type cotton baling system of the present invention includes a frame 42. The frame 42 constitutes a support platform. On the basis of the frame 42, a cotton collecting box for scattering and fluffing cotton and shaping cotton sheets and a cotton forming box for packing the cotton sheets into bundles and coating a film are arranged on the upper surface of the frame; a walking device 43 for walking and a power transmission device for transmitting the power input by the tractor to various components of the system are arranged below the cotton processing power receiving mechanism 1. Locating a partial component below the frame 42 facilitates enlarging the space on the other side for cotton processing. At the rear of the apparatus, i.e., to the right in the drawing, there is provided a doffer 20 for discharging baled and formed bales from the pull-type cotton bale press system. The doffer 20 is used to remove bales of film wrapped bales from the pull-behind cotton baling system and place them on the ground for subsequent transport.
In the embodiment shown in fig. 1 and 2, cotton harvested by the cotton picker is continuously fed into the header body 28 of the header of the pull-type cotton baling system as the pull-type cotton baling system travels with the cotton picker under tractor traction. When the cotton in the cotton collecting box 28 reaches a certain amount, the main controller 12 sends a control command to the hydraulic control valve set 13 to drive the hydraulic control valve set 13 to change direction, and pressure fluid is supplied to the mechanical clutch cylinder 11. The mechanical clutch 3 is driven to close by the mechanical clutch cylinder 11, so that the power transmitted by the speed reducer 2 is input into the chain transmission mechanism 4. The chain transmission mechanism 4 further inputs power into the cotton collecting box, and starts to drive the carding mechanism 24, the conveying mechanism 23, the forming mechanism 26 and the output mechanism 25 in the cotton collecting box to participate in the processing work of the cotton. In another embodiment of the invention, the drive of the hydraulic motor 41 for the cotton-forming box is used instead of the chain drive 4 for the transmission of power to the subsequent cotton-collecting box. The two embodiments differ only in the mechanism of power transmission, the rest being the same. When the chain transmission mechanism 4 is in operation, the rotational speed sensor 27 is used to collect the information of the rotational speed of the chain wheel, and the collected information of the rotational speed of the chain wheel is transmitted to the main controller 12. The main controller 12 compares the sprocket rotation speed with a predetermined value, and when the predetermined value is reached, the main controller 12 sends a control command to the hydraulic control valve set 13, and the hydraulic control valve set 13 supplies liquid to the hydraulic motor in the output mechanism 25 to drive the hydraulic motor to rotate. At the same time, the rotational speed information of the hydraulic motor in the output mechanism 25 is collected by the rotational speed sensor 27 and transmitted to the main controller 12. When the main controller 12 determines that the rotation speed of the hydraulic motor in the output mechanism 25 reaches a predetermined value, it sends a control command to the hydraulic control valve set 13, and the hydraulic control valve set 12 supplies liquid to the hydraulic motor of the conveying structure 23 and the hydraulic motor of the forming mechanism 26, respectively, to drive the two hydraulic motors to start rotating. At the same time, the rotational speed information of the hydraulic motor of the conveying structure 23 and the hydraulic motor of the forming mechanism 26 is acquired by the rotational speed sensor 27, and the two sets of rotational speed information are transmitted to the main controller 12. When the main controller 12 finds a decrease in the rotation speed of the hydraulic motor in the output mechanism 25 by comparison, it determines that the outlet of the hopper 28 is clogged. At this time, the main controller 12 gives a control command to the pilot valve group 13, and the pilot valve group 13 controls the rotation speed of the hydraulic motor of the conveyance mechanism 23 and the hydraulic motor of the molding mechanism 26 to be reduced or stopped. At the same time, the main controller 12 issues a control command to the pilot valve group 13 to reverse the hydraulic motor of the output mechanism 25, and the pilot valve group 13 reverses the hydraulic motor of the output mechanism 25. Thereby, the cotton clogged at the cotton outlet is dragged or retreated again into the cotton collecting box body 28, and the clogging of the cotton outlet is cleared. After a certain time of reverse rotation (about 1 to 2 seconds), the system automatically determines that the blockage is eliminated, then the main controller 12 sends out a control command, the process is repeated, and the cotton is output again.
The cotton input from the outside will first be subjected to a pre-treatment in the header 28, i.e. be scattered to fluffy it, forming a substantially uniformly distributed continuous cotton. While the cotton is fluffed, it is conveyed toward the bottom of the hopper 28. After reaching the bottom of the hopper 28, the cotton is transported by the transport mechanism 23 along the bottom of the hopper 28 towards the outlet (not shown), i.e. towards the right in fig. 1. When the cotton reaches the vicinity of the cotton outlet, the cotton in the flow is shaped by the shaping mechanism 26 into a cotton sheet for subsequent bundling of the cotton sheet into a bale. The shaped cotton pieces are discharged from the collecting box 28 and conveyed to the finishing box 19. The cotton sheets are bundled in a cotton forming box 19 and then wrapped with a film to form a film-wrapped cotton bale. The film prevents external impurities from entering the cotton bale to cause pollution to cotton in the cotton bale, and further reduces the cleanliness of the cotton in the cotton bale. In this embodiment, the size of the bale embryos formed from the cotton sheets and the cotton compaction in such bale embryos are monitored in real time. According to the invention, in combination with the embodiment shown in functional block form in fig. 2, the bundling process of the invention is mainly completed by a bundling belt in the cotton bale case 19, one end of the bundling rocker arm is hinged on the inner wall of the cotton bale case 19, the other end is provided with a roller group matched with the bundling belt, and the bundling rocker arm can rotate around the hinged point of the bundling belt along with the increase of the cotton bale. Therefore, the invention adopts the angle sensor 18 to monitor the rotating angle of the bundling rocker arm in the bundling process, thereby judging the size of the cotton bundle. The main controller 12 calculates the overall dimension of the cotton bale according to the collected angle. The bundling oil cylinder can apply pressure to the bundling rocker arm, so that the tension degree of the bundling belt is controlled, and then the compactness of the cotton bundle is controlled. Therefore, the invention also utilizes the pressure sensor 14 to monitor the pressure exerted on the bundling rocker arm by the bundling oil cylinder in the bundling mechanism 16, and determines the compactness of cotton in the cotton bundle blank according to the pressure exerted by the bundling oil cylinder. When the size of the cotton bale embryo and the pressure of the oil cylinder reach preset values, the bundling work is finished, then the film coating is carried out, and finally the formed cotton bale with consistent size and weight is obtained. FIG. 2 schematically illustrates a pull-type cotton baling system according to a first embodiment of the present invention in functional block form. In the present embodiment, a mechanical structure is mainly used to realize the power transmission and the corresponding cotton processing action. In fig. 2, the thick solid lines represent the power transmission paths in the traction type cotton baling system according to the present invention, the thin solid lines represent the hydraulic medium flow paths in the hydraulic system, the broken lines represent the electrical connections, and the dot-dash lines represent the transportation paths of the cotton being processed.
In the embodiment shown in fig. 2, the drive is transmitted to the power receiving mechanism 1 through a propeller shaft by a tractor for towing the towed cotton baling system according to the present invention. After the power receiving mechanism 1 receives the power transmitted by the tractor, the power is divided into three paths. One of which is transmitted to the motor 6 in order to power the main controller 12 and charge the battery 5. In the present embodiment, the battery 5 is a lithium battery. The battery 5 is mainly used to supply power to the main controller 12. Therefore, when the towed tractor stops working and is in a shutdown state, the battery 5 continues to supply power to the main controller 12, so that the main controller 12 can still work when the tractor is shut down and no longer inputs power to the system. Thus, the system according to the present invention is protected from a sudden power outage by powering the main controller 12 and the display 34 from their own batteries. The other path is transmitted to a hydraulic pump 7 for driving the hydraulic pump 7 to power various hydraulic actuators in the device. The third path transmits power to the reduction mechanism 2.
In the embodiment shown in fig. 2, after power is transmitted to the power receiving mechanism 1, the power is output from the power receiving mechanism 1 and transmitted to the reduction mechanism 2. In the present embodiment, one mechanical clutch 3 is provided behind the reduction mechanism 2. The clutch 3 inputs power into the chain transmission mechanism 4, and the chain transmission mechanism 4 is directly driven to rotate as a cotton box. The clutch 3 is used for cutting off or connecting the chain transmission mechanism 4 of the next stage according to the instruction of the main controller 12. In the present embodiment, the chain transmission mechanism 4 is used for providing power for the cotton forming box so as to perform bundling and film coating processing on the cotton sheets input into the cotton forming box. In the process of cotton bundling, cotton in the cotton collecting box is sometimes blocked or the quantity of the cotton in the cotton collecting box is insufficient, and the quantity requirement required by bundling cannot be met, so that the work and the stop of the cotton forming box can be independently controlled. For this purpose, in the present embodiment, the mechanical clutch 3 is provided so as to stop the operation of the cotton box alone when necessary. Therefore, the operation of the cotton collecting box and the cotton forming box are independent. In the present embodiment, the power receiving mechanism 1 supplies power to the spinning box through the chain transmission mechanism 4. This is an embodiment in which power is supplied to the hopper by a mechanical structure.
As shown in fig. 2, the second power transmission path starts to supply power from the power receiving mechanism 1 to the hydraulic pump 7, drives the hydraulic pump 7 to operate, and further supplies pressure medium from the hydraulic pump 7 to the respective hydraulic actuators in the cotton processing apparatus.
The hydraulic pump 7 feeds pressure medium into a pilot valve group 13, and the pilot valve group 13 distributes the pressure medium to the cotton collecting tank and the cotton forming tank. In the embodiment, only the opening and closing of the bin gate in the cotton forming box are completed by the operation of the hydraulic cylinder.
The hydraulic control valve group 13 supplies pressure liquid to the carding mechanism 24, the conveying mechanism 23, the molding mechanism 26 and the output mechanism 25, respectively. The above mechanisms for treating cotton in the header 28 are all driven by hydraulic motors. Therefore, the pressure medium supplied from the pilot valve group 13 is used to drive the hydraulic motor in each corresponding mechanism to rotate.
First, the hydraulic motor in the carding mechanism 24 is driven to rotate by the pressure medium distributed by the hydraulic control valve group 13, and the pretreatment roller for scattering loose cotton is driven to rotate by the hydraulic motor. On the pre-treatment rollers, two sets of helical blades are provided for breaking up the cotton and transporting it down towards the bottom of the collector box 28.
Then, the pressure medium distributed by the hydraulic control valve set 13 drives the hydraulic motor in the conveying mechanism 23 to rotate, and the hydraulic motor drives the scraper conveyer belt to run, so that the cotton is conveyed along the bottom of the cotton collecting box 28 towards the cotton outlet on the cotton collecting box 28.
A forming mechanism 26 is provided in front of the cotton outlet. The forming mechanism 26 includes two oppositely disposed forming rollers. The cotton is compressed into cotton sheets after passing through the forming rollers, and then is sent out of the cotton collecting box by the output mechanism 25 to reach the next processing station, namely the subsequent bundling film station.
When the cotton is fluffed up in the collecting box 28 and formed into cotton chips to be delivered to the cotton outlet, the cotton outlet may be blocked due to too much cotton delivered to the cotton outlet or due to poor running of the cotton chips. If cotton is continuously fed to the cotton outlet, the blockage is increased, and the stop is finally caused. According to the invention, sensors 27 are arranged at the hydraulic motors of the conveying mechanism 23, the forming mechanism 26 and the output mechanism 25, and are used for monitoring the rotating speed of each hydraulic motor in real time and transmitting the collected rotating speed value of each hydraulic motor to the main controller 12. The main controller 12 compares the received hydraulic motor rotational speed with a preset standard or normal rotational speed and makes a judgment. When the rotating speed of the hydraulic motor of the actual measurement forming mechanism 26 is lower than a preset value, the cotton outlet is judged to be blocked. At this time, the main controller 12 sends a control command to the hydraulic valve group 13, controls the hydraulic valve group 13 to change the direction, and controls the hydraulic motor of the molding mechanism 26 to reduce the rotation speed or stop rotating. Meanwhile, the main controller 12 sends a reversing command to the hydraulic control valve group 13, and the hydraulic control valve group 13 reverses to drive the hydraulic motor of the output mechanism 25 to rotate in the reverse direction. Therefore, the cotton blocked at the cotton outlet is dragged and withdrawn. When the blockage is eliminated, the main controller 12 sends a control command to the hydraulic control valve group 13, the hydraulic control valve group 13 reverses, and each mechanism in the cotton collecting box is driven to normally work to convey cotton sheets to the cotton outlet. The hydraulic motor speed information collected by the sensor is transmitted to the display 34 through the main controller 12 and is displayed on the display 34, so that an operator can know the operation condition of the cotton collecting box in real time and manually participate in control operation according to specific conditions.
The cotton sheets are delivered from the outlet of the collector box 28 and fed into the former box, and are bundled in the former box to form a standard cotton bundle, and then the formed cotton bundle is covered with a film to form a cotton bundle. After entering the forming box 19, the cotton sheets are bundled and formed by the bundling mechanism 16. During the baling process, the pressurizing cylinder of the baling mechanism 16 applies pressure to the cotton bale during the forming process. This will make the bale compact. According to the invention, the main controller 12 can obtain the cotton packing compactness by utilizing the pressure sensor 14 to detect the hydraulic pressure in the oil cylinder of the packing mechanism 16 in real time, collecting pressure information and feeding the pressure information back to the main controller 12. At the same time, the rotation angle of the baling rocker arm is detected by the angle sensor 18, and is also fed back to the main controller 12. Because the rotating angle of the bundling rocker arm and the size of the cotton bundle blank have a conversion relation, the main controller 12 can calculate the overall size of the cotton bundle blank according to the angle fed back by the angle sensor 18 and display the overall size on the display 34. The main controller 12 can send a control instruction to the hydraulic control valve group 13, and the hydraulic control valve group 13 adjusts the cylinder pressure in the bundling mechanism 16 in real time according to the instruction, so that the density of the formed cotton bundles is kept consistent. When the size information and the pressure information are consistent with the preset value in the main controller 12 or reach the preset value, the bundling is immediately finished, and then the film wrapping is performed. Thus, the overall dimensions and internal cotton compaction of the individual bale embryos formed are consistent. And the main controller 12 can calculate the weight of the cotton bale according to the forming size and the tightness of the cotton bale, so that when the cotton bale is formed, the main controller 12 collects the size and the weight of the formed cotton bale and positions the cotton bale through a satellite.
At the end of bundling, the main controller 12 issues a command to the electromagnetic clutch 32 to close the electromagnetic clutch 32. The power is transmitted to the film feeding and packaging mechanism 31, the film is fed, and the packaged cotton bale embryo is wound and packaged by the film. At this time, the film feeding count sensor 30 collects the length information of the film fed into the film feeding and wrapping mechanism 31, and transmits the collected length information to the main controller 12. The main controller 12 compares the collected film length information with a predetermined value, and when the length of the fed film reaches the predetermined value, it indicates that the cotton bale embryo is coated with a film of a predetermined length and a desired cotton bale is formed. At this time, the main controller 12 gives a control command to the electromagnetic clutch 32, and the electromagnetic clutch 32 cuts off the supply of power to the film feeding and packaging mechanism 31, thereby stopping the film feeding and packaging. At the same time, the main controller 12 displays the membrane length reduction information on the display 34 so that the operator can know the number of membranes stored in the device in time.
After the packaging is stopped, the main controller 12 sends an instruction to the hydraulic control valve group 13 according to the rotating speed information collected by the rotating speed sensor 27, and the cotton box is controlled to stop running. Meanwhile, an instruction is sent to the hydraulic control valve group 13 to control the bin opening oil cylinder in the bin opening mechanism 15 to act, a bin door on the cotton forming box body 19 is opened, and the packed cotton bale is discharged out of the cotton forming box. In an embodiment according to the present invention, the bale is unloaded onto the doffer 20.
When the bale is unloaded onto the unloader 20, information that the bale is on the unloader 20 is collected by the light sensor 33 and transmitted to the main controller 12. The main controller 12 sends a control command to the hydraulic control valve group 13, the hydraulic control valve group 13 is reversed, and pressure medium is supplied to the cotton discharging oil cylinder 17. The cotton unloading cylinder 17 unloads the cotton bale onto the ground.
When the traction cotton baling system according to the present invention is towed by a tractor, it is necessary to perform operations such as braking, steering indication, and steering control of tires in the traveling device 11 according to circumstances. Thus, in the embodiment shown in FIG. 2, a walking brake 39 is also included. The travel brake device 39 is controlled by the pilot valve group 13 to perform an operation of braking the tire in the travel device 11 by a hydraulic pressure. The hydraulic control valve group 13 is reversed under the control of the main controller 12 to control the running brake device 39 to act. When the equipment needs to turn, the operator toggles the steering switch to send steering information to the main controller 12. After receiving a steering instruction sent by an operator, the main controller 12 sends a steering instruction to the hydraulic control valve group 13, controls the hydraulic control valve group 13 to reverse, and further controls the equipment to steer.
In the embodiment shown in fig. 2, a temperature sensor 9 is also provided for detecting the temperature of the hydraulic medium in the tank 8 of the hydraulic system. As the cotton baling system operates over time, the hydraulic medium is repeatedly compressed and delivered to the hydraulic control valve block 13, and then distributed through the valve block to various hydraulic actuators, such as hydraulic rams or hydraulic motors. This will result in an increase in the temperature of the hydraulic medium, which will cause an increase in system leakage and a reduction in sealing performance. In order to avoid the above-mentioned disadvantages caused by the temperature increase, in the embodiment shown in fig. 2, the temperature sensor 9 detects temperature information of the hydraulic medium returning from the system to the tank and transmits the collected temperature information to the main controller 12. The main controller 12 compares the temperature information with a predetermined value, and when the temperature exceeds the predetermined value, the main controller 12 controls the cooling fan 10 to air-cool the hydraulic medium flowing back to the oil tank. At the same time, the main controller 12 also transmits the temperature information to the display 34, so that the temperature information of the hydraulic medium is displayed on the display 34. Therefore, an operator can know the temperature of the hydraulic medium in real time, and the overhigh temperature of the system is avoided.
FIG. 3 shows another embodiment of a pull-type cotton baling system according to the present invention. In fig. 3, the thick solid lines represent the power transmission paths in the traction type cotton baling system according to the present invention, the thin solid lines represent the hydraulic medium flow paths in the hydraulic system, the broken lines represent the electrical connections, and the chain lines represent the transportation paths of the cotton being processed. Unlike the embodiment shown in fig. 2, in which the input power is distributed by a mechanical structure and then transmitted to the cotton collecting box to perform preliminary treatment on the cotton in the cotton collecting box, a hydraulic motor 41 is provided downstream of the hydraulic control valve group 13 in this embodiment to provide driving force to the cotton collecting box. Otherwise, the embodiment shown in fig. 3 is the same as that of fig. 2.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and it is apparent to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (16)
1. The traction type intelligent cotton packing control method comprises the following steps:
a. scattering cotton input into the traction type cotton packing system;
b. conveying the scattered cotton so as to carry out shaping treatment on the cotton;
c. arranging the scattered cotton to form cotton sheets, rolling the cotton bundles shaped into the cotton sheets into bundles to form cotton bundle blanks, and acquiring the overall dimension information of the cotton bundle blanks and the pressure information applied to the cotton bundle blanks in the bundling process;
d. comparing the acquired size and pressure information with a preset value, stopping wrapping the wrapping cotton bale embryo by the film for bundling when the preset value is reached, and acquiring the length of the inputted film by a sensor in the process of wrapping the film;
e. and comparing the acquired length information of the film with a preset value, and stopping conveying the film when the preset value is reached to form a bundled and shaped cotton bale.
2. The method of claim 1,
in the step (b), collecting output information of the cotton conveying device, such as the rotating speed of a driving motor, in the process of transmitting the scattered cotton, when the output information is less than a preset value, indicating the conveying device to drive reversely, and indicating the conveying device to drive positively after a period of time;
in the step (c), displaying the collected size information and pressure information on a display;
in said step (d), displaying the stored number of membranes on a display.
3. A method according to claim 1 or 2, wherein in step (e) physical dimension information and weight information of the formed bale is collected, and the collected information is uploaded to a satellite;
the traction type cotton packing system is positioned in real time through a satellite, and the cotton is started or stopped to be processed.
4. Towed intelligent cotton packing system, its characterized in that includes:
the cotton collecting box is used for receiving cotton to be treated and shaping the cotton into cotton sheets for output;
the cotton forming box is used for receiving the cotton sheets output by the cotton collecting box (28) and bundling and enveloping the cotton sheets to form a cotton package;
the power transmission device is used for receiving power and distributing and transmitting the power so as to drive the cotton collecting box (28) and the cotton forming box (19) to act;
the hydraulic control device is used for controlling the actions of the cotton forming box (19) and the cotton collecting box (28);
the main control device is used for controlling the hydraulic control mechanism;
a frame (42) and a traveling mechanism (43);
the detection unit is used for collecting the overall dimension of the cotton bale embryos in the finished cotton box (19), collecting pressure information applied to the cotton bale embryos and output diaphragm length information.
5. The cotton baling system of claim 4 wherein said header includes:
a cotton collection box (28) for receiving cotton to be treated;
a carding mechanism (24) which comprises a carding part for carding the cotton input into the cotton collecting box (28), scattering the cotton to be fluffy and a carding hydraulic motor for driving the carding part to run;
the conveying mechanism (23) comprises a scraper conveyor belt for conveying cotton and a scraper hydraulic motor for driving the scraper conveyor belt;
the forming mechanism (26) comprises a feeding roller for forming the cotton processed by the carding structure (24) into cotton sheets and a feeding roller hydraulic motor for driving the forming part to operate;
the output mechanism (25) comprises an output roller and a feeding motor for driving the output roller;
the conveying mechanism (23), the forming mechanism (26) and the output mechanism (25) are arranged in the cotton collecting box body (28) and are sequentially arranged along the bottom of the box body.
6. The cotton baling system of claim 4 wherein said forming box includes:
the cotton forming box body (19) is used for receiving and accommodating cotton sheets output from the cotton collecting box and comprises a box body shell and a box body bin door;
a bundling mechanism (16) which comprises a bundling rocker arm and a bundling belt for bundling cotton sheets input into the cotton bundling box body (19) from the cotton collecting box into cotton bundles, and a bundling oil cylinder for applying pressure to cotton bundle blanks;
a film feeding and packaging mechanism (31) including a film storage support part, a film conveying part and a driving part;
an electromagnetic clutch (32) for controlling the driving force input to the film feeding and packaging mechanism (31);
a film feeding counting sensor (30) for recording the number of the films fed by the film feeding packaging mechanism (31);
the bin opening mechanism (15) comprises a bin gate driving part and a bin opening oil cylinder, wherein the bin gate driving part is used for driving a box body bin gate of the cotton forming box body (19) to be opened and/or closed.
7. The cotton baling system of claim 4 wherein said power transmission means comprises:
the power receiving mechanism (1) is used for receiving power transmitted into the cotton processing equipment and transmitting the power after distributing the power;
the speed reducing mechanism (2) is used for receiving the power distributed and transmitted by the power receiving mechanism (1);
the chain transmission mechanism (4) is used for receiving the power output by the speed reducing mechanism (2) to drive the cotton box;
the mechanical clutch (3) is arranged between the speed reducing mechanism (2) and the chain transmission mechanism (4) and is used for controlling the power input into the chain transmission mechanism (4);
and a mechanical clutch cylinder (11) for closing or releasing the mechanical clutch (3) under the control of the hydraulic control device.
8. The cotton baling system of claim 4 wherein said hydraulic control means comprises:
a hydraulic pump (7);
an oil tank (8) for accommodating a hydraulic medium and a cooling fan (10) for cooling the return oil;
and a pilot control valve group (13) for controlling the hydraulic actuator.
9. The cotton baling system of claim 4 wherein said power transmission means comprises:
the power receiving mechanism (1) is used for receiving power transmitted into the cotton processing equipment and transmitting the power after distributing the power;
the cotton forming box drives a hydraulic motor (41) and supplies driving force to the cotton forming box under the control of a hydraulic control valve group (13).
10. The cotton baling system of claim 4 wherein said master control device comprises:
the main controller (12) is used for processing information and sending a control instruction to the hydraulic control valve group (13) according to a processing result;
and the power supply part comprises a motor (6) driven by the power receiving mechanism (1) and a battery (5) charged by the motor (6) and used for supplying power to the main controller (12), and the battery (5) is a lithium battery.
11. Cotton packing system according to claim 4 or 9, further comprising a display (34) for displaying information processed by the main controller (12), position information of the pull-behind cotton packing system obtained via satellite positioning, bale form factor information and bale weight information.
12. The cotton baling system of claim 4, wherein said detection unit comprises:
the pressure sensor (14) is used for detecting pressure information applied to the cotton bale embryos in the bundling process and transmitting the collected pressure information to the main controller (12);
the angle sensor (18) is used for detecting the rotating angle information of the bundling rocker arm and transmitting the collected angle information to the main controller (12);
and the sensor (30) is used for collecting the membrane length information output in the process of coating the cotton bale embryo by the film and transmitting the length information to the main controller (12).
13. The cotton baling system of claim 5, 7 or 11, wherein said detection unit further comprises:
and the rotating speed sensor (27) is used for acquiring rotating speed information of the hydraulic motor in the conveying mechanism (23), the output mechanism (25) and the forming mechanism (26) in the cotton collecting box and transmitting the rotating speed information to the main controller (12).
14. Cotton baling system according to claim 13, characterized in that the main controller (12) compares the received speed information with the previous received speed information, and when the latter speed information is less than the previous one, the main controller (12) instructs the pilot valve set (13) to reverse direction, stops feeding the feeding means (23), the output means (25) and the hydraulic motor in the forming means (26) to the header, and feeds the hydraulic motor of the output means (25) in the reverse direction to drive the turnover.
15. The cotton baling system of claim 4, further including a cotton discharge device and a temperature sensor (9);
the cotton unloading device comprises a cotton unloading device (20), a cotton unloading oil cylinder (17) for driving the cotton unloading device (20) and a sensor (33) for recording cotton bales passing through the cotton unloading device (20);
the temperature sensor (9) is used for collecting temperature information of a hydraulic medium in an oil tank (8) in the hydraulic control device and transmitting the collected temperature information to the main controller (12).
16. Cotton baling system as in claim 7, characterized in that the power receiving means (1) is arranged on one side of the frame (42), and the hopper, the ginning box, the power transmission means, the hydraulic control means, the main control means and the detection unit are arranged on the other side of the frame (42).
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| CN201911325001.2A CN110979867A (en) | 2019-12-16 | 2019-12-16 | Traction type intelligent cotton packing control method and system |
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| CN201911325001.2A CN110979867A (en) | 2019-12-16 | 2019-12-16 | Traction type intelligent cotton packing control method and system |
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