CN115489767A - Intelligent weighing, supplementing and packaging system and method for natural rubber - Google Patents
Intelligent weighing, supplementing and packaging system and method for natural rubber Download PDFInfo
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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
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
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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
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
- B65B1/34—Adjusting weight by trickle feed
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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
- B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
- B65B37/005—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged by endless belts or chains
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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
- B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
- B65B37/16—Separating measured quantities from supply
- B65B37/18—Separating measured quantities from supply by weighing
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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
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
- B65B57/14—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
- B65B57/145—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged for fluent material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses an intelligent weighing, material supplementing and packaging system and method for natural rubber. Carry out the intelligence feeding material of weighing to the crushed rubber that is carried by oblique belt feeder through the feeding material device of weighing, accomplish and carry the crushed rubber to carry hydraulic baling press after weighing and carry out automatic packing to adopt the mode of automatic business turn over material to carry the standard bale and converge the conveying roller and carry to next process systems, reach the intelligent feeding material packing's of weighing purpose of packing of standard bale. The automatic weighing, packaging and discharging device has the functions of automatic weighing, packaging and discharging, greatly reduces the labor intensity of workers, avoids manual carrying and feeding, greatly reduces the potential safety hazard during manual weighing and packaging, and simultaneously cancels the traditional package lifting nail, and greatly improves the appearance shape, the size precision and the appearance quality of the finished standard rubber package.
Description
Technical Field
The invention relates to an intelligent weighing, material supplementing and packaging system and method for natural rubber, in particular to equipment for conveying rubber, then weighing, material supplementing and finally packaging to form a finished rubber bag, and belongs to the technical field of automatic equipment.
Background
With the continuous progress of science and technology, natural rubber as a core raw material for automobile tire production occupies a great share in the industrial field, in recent years, researchers have increasingly studied natural rubber, the use of natural rubber is developing towards diversification, and the natural rubber basically covers the aspects of people's daily life. In recent years, the annual consumption of natural rubber tends to increase year by year, rubber-related manufacturers are increasing, and the production of natural rubber is gradually moving towards intellectualization, high efficiency and automation.
The natural rubber is initially processed by chemically and physically treating natural rubber-containing substances to prepare a standard rubber bag, natural latex is firstly collected, then acid coagulation is carried out, cleaning of rubber blocks is completed by using relevant cleaning equipment, then the rubber blocks are extruded and smashed into granules by using some equipment, cleaning is repeated for a plurality of times, finally craping is carried out, the rubber is crushed into granules by using a rubber crusher after craping is completed, drying is carried out, workers weigh the dried rubber according to national standards, and extrusion and packaging are carried out by using a packaging machine, and finally the standard rubber bag with uniform size, mass and shape is formed to supply materials to the downstream of the industry. Wherein, the weighing and packaging link is one of the key process links in the production process of the standard glue. In the process, the rubber blocks (lumps) with fluffy tissues, overlarge volume, irregular shape and inconsistent weight need to be weighed and compacted into standard rubber bags with uniform specification, so that the sizes and weights of the rubber bags are uniform, the volume is reduced, and the transportation, stacking, storage and transaction are facilitated. In the field of natural rubber preliminary processing, the link that relates to packing of weighing at present has two places, firstly to the packing of weighing of rectangle micelle after the drying, secondly to the packing of weighing of the mixed irregular micelle of dry stirring. The packing link degree of automation of weighing at present is very low, the process of weighing and the packing process still need a large amount of artifical auxiliary operation, at first need be carried out the feed supplement by the manual work with dry glue piece (group) according to the national standard and weigh, glue piece (group) after will weighing by the manual work is moved to the packing incasement and is packed, this kind of traditional packing technique belongs to semi-automatic operation mode, on the packing line of weighing (joining in marriage 2 ~ 3 baling presses) usually, the feed supplement of weighing just needs 2 ~ 3 people, 2 ~ 3 people carry and the packing work to the material package, because of each production organizational mode difference, it needs 3 ~ 6 people to carry out the auxiliary work altogether to synthesize this technology section, and the production mode of current rubber processing mill generally is two teams and office, need 6 ~ 12 people to assist the packing process of weighing that could accomplish rubber promptly, the intensity of labour of work is huge, and there is great potential safety hazard in the cutter that weighs the time used.
In summary, the basic working process of the current baler is:
(1) A feeding stage: the dry gum blocks of standard weight are manually placed into the hopper from the weighing station.
(2) A packaging stage: when the pushing cylinder pushes the right hopper to move to the position below the pressing block, the main cylinder pushes the pressing block to move downwards to a fixed position, the pressing block and the material box form a closed space, the rubber block is extruded and is kept for a period of time, and packaging is finished. Meanwhile, the bale lifting nail arranged below the pressing block is embedded into the rubber bale.
(3) And (3) a cavity outlet stage: after the rubber bag is formed by packaging, the pressing block is lifted while the rubber bag is lifted, the pushing cylinder returns to drive the hopper to move to the middle position, and the rubber bag slides out of the middle roller rail after falling down.
(4) A circulation stage: the left hopper is driven to the lower part of the pressing block by the return stroke of the push cylinder to be continuously packed, and the working mode that the left hopper and the right hopper are alternately and circularly packed is formed. The extrusion and packaging of the dried rubber bag into standard rubber with certain size can be basically realized through the workflow.
However, the current method has the following problems:
(1) and (4) manually feeding. During operation, the rubber blocks (lumps) need to be manually carried and put into a hopper of a packaging machine, the labor intensity is high, and each person needs to carry 12.5 tons of rubber every day on average.
(2) The bag is difficult to be taken out. The package is played mainly through the play package nail under the briquetting when playing the package, because the frictional force between gluey package and hopper inner wall is great, plays the package nail and can reduce along with the wearing and tearing of play package nail with the frictional force of gluey package, often can take place to play the condition that the package nail can't mention gluey package and block a package phenomenon promptly, in case take place, must lean on the manpower to take out, wastes time and energy and because the difficult operation of environmental restriction, has the potential safety hazard.
(3) Creating a fabrication hole. Grabbing through the package lifting nail can leave a fabrication hole on the standard glue, so that the appearance quality is influenced, and the uniformity of follow-up glue cutting and supplementing is not facilitated.
Therefore, aiming at the current problems of time and labor waste, high potential safety hazard, high labor intensity and low automation degree encountered in the weighing and packaging link of the current rubber processing enterprises, the development of a convenient, safe and high-automation-degree automatic rubber weighing and packaging system is a key point which needs to be solved urgently by the current rubber production and processing enterprises.
Disclosure of Invention
Aiming at the problems that the demand of the natural rubber in the process of weighing, supplementing and packaging is realized at present and the problem to be solved urgently is solved, the invention aims to solve the problems of high potential safety hazard, low automation level, high labor intensity, irregular package shape and the like existing in the weighing, supplementing and packaging link of the current natural rubber in the automatic production process, and adopts an intelligent technical means to replace manual production, liberates labor force, improves the appearance quality, the overall efficiency and the automation level of a standard rubber package, so that the standard rubber package after automation reaches the purposes of standard, high efficiency, rapidness and unification, and the automation capacity of the standard rubber package of the natural rubber is improved.
The system and the method for intelligently weighing, supplementing and packaging the natural rubber can intelligently weigh the crushed rubber materials conveyed from the previous process section, supplement the materials in real time through a supplementing platform, convey the weighed natural rubber to a packaging machine for automatic packaging, finally form a standard rubber bag with uniform quality, weight, size and the like, and automatically convey the standard rubber bag to the next production process system through a conveying mechanism or directly package the standard rubber bag into a finished product for sale. The automatic weighing, supplementing and packaging process of the natural rubber is completed, and the problems of low automation degree, high labor intensity of workers and high potential safety hazard in the current natural rubber processing factory are solved. Can effectively improve the automation and intelligence level of natural rubber processing.
According to a first aspect, the technical solution of the present invention is:
the utility model provides a natural rubber intelligence feeding and packing system that weighs, mainly is equipped with oblique belt feeder, the feeding device that weighs, hydraulic baling press and converges the conveying roller. Wherein, oblique belt feeder is equipped with one, and the feed supplement device of weighing is equipped with one set, the hydraulic baling press is equipped with two, and the conveying roller that converges is equipped with one. The inclined belt conveyor is mainly used for conveying crushed rubber; the weighing and feeding device is mainly used for weighing the rubber blocks conveyed by the inclined belt conveyor in real time, and is responsible for intelligently weighing and feeding the rubber blocks to ensure weighing precision; the hydraulic packer is mainly responsible for receiving and squeezing and packing the rubber fragments after the material supplementing and weighing are finished; the confluence conveying roller is mainly used for connecting the discharging roller ways of the two hydraulic packing machines and is responsible for converging the finished standard rubber packages packed by the two hydraulic packing machines and conveying the finished standard rubber packages to the next-stage process system. The front end of the inclined belt conveyor is connected with a dry stirring outlet of the crushed rubber, and the weighing and feeding device is arranged below the discharge end of the inclined belt conveyor, so that the crushed rubber conveyed by the inclined belt conveyor can stably fall onto a main feeding and conveying belt of the weighing and feeding device; two hydraulic baling presses are established respectively at the feed supplement device conveyor belt both ends of weighing, make the feed inlet of hydraulic baling press be located the below at feed supplement device both ends of weighing, guarantee to finish the rubber after the feed supplement of weighing can get into the baling box of hydraulic baling press through the feed inlet in, converge the conveying roller and arrange hydraulic baling press ejection of compact roll table end in, guarantee that the finished product bale after accomplishing the packing can flow in the conveying roller that converges through ejection of compact roll table.
Further, the inclined belt conveyor consists of a feeding cover, a conveying belt and an inclined belt frame, wherein the inclined belt frame is a main support of the inclined belt conveyor; the feeding cover is arranged at the lower end of the conveying belt and is responsible for receiving the crushed rubber from the previous process section, and the crushed rubber can be uniformly distributed on the conveying belt without leakage through transition of the feeding cover; the conveying belt is set to a certain inclination, and the inclination angle can be freely set according to the size of the available space of a factory.
Furthermore, the weighing material supplementing device is composed of a weighing belt, a pressure sensor, a weighing device rack and a material supplementing platform. The weighing device comprises a weighing device frame, a pressure sensor and a pressure sensor, wherein the weighing device frame is a main supporting frame, four groups of pressure sensors are arranged, and the four groups of pressure sensors are respectively fixed on four bearing stand columns of the weighing device frame in series, so that pressure measurement can be carried out in real time; the weighing belt is fixed above the pressure sensor, the weighing belt completely acts on the pressure sensor, and when the crushed rubber falls on the weighing belt, the pressure sensor can measure the weight of the crushed rubber in real time; the feeding platform sets up in weighing device frame rear, is equipped with stair in the side of feeding platform support to it prevents weighing down the net to be equipped with at stair epitaxy, is equipped with the protection network simultaneously around the feeding platform, increases the security of preventing weighing down, and the feeding platform mainly carries out the feeding counter weight, and the workman's accessible stair of supplementary feeding goes on the feeding platform, carries out real-time feeding to the rubber crushed aggregates of weighing, guarantees the rubber precision of weighing.
Further, the belt of weighing among the feed supplement device of weighing can control two directions's reciprocating motion, and after the feed supplement device of weighing accomplished weighing and reached standard weight to rubber crushed aggregates, the two-way motion through the belt of weighing supplies for two hydraulic baling presses, makes two hydraulic baling presses continuous operation in coordination, increases packing efficiency.
Furthermore, the hydraulic baling press mainly comprises a feeding hopper, a material pushing plate, a sealing plate, a baling box, a baling press frame, a hydraulic oil cylinder and a discharging roller. The packer rack is only provided with a support, a bearing platform is arranged on the packer rack, and the upper part of the platform is connected with an upper bearing platform through an upright post; the feeding hopper is fixed on the upper bearing platform and is responsible for receiving rubber crushed aggregates conveyed by a weighing belt in the weighing and supplementing device; the material pushing plate is arranged on the upper layer bearing platform, can realize the reciprocating motion of the material pushing plate through the reciprocating motion of the driving mechanism and is responsible for pushing the packed standard rubber packet out of the discharging roller; the sealing plate is arranged on the lower end face of the upper-layer bearing platform and connected with the cylinder driving structure, reciprocating motion can be realized under the driving action of the cylinder, and the sealing plate can seal and open a material inlet and a material outlet of the upper-layer bearing platform; the packing box is arranged on the bearing platform and is positioned below the sealing plate, namely the sealing plate can reciprocate between the packing box and the upper bearing platform, and meanwhile, the sealing and the opening of the packing box are realized, the packing box is mainly used for receiving and placing the weighed crushed rubber materials, and the size of a finished product after rubber packing can be controlled by the size of an inner cavity of the packing box; the hydraulic oil cylinder is fixed on the lower end face of the bearing platform, a packing push plate is arranged on the hydraulic push rod, the hydraulic push rod and the packing push plate can pass through the packing box to perform lifting reciprocating motion, the hydraulic oil cylinder system is mainly responsible for extruding and packing crushed rubber, and meanwhile, finished rubber packages after being packed can be pushed out of the packing box; the discharging roller is fixed on the bearing platform, mainly comprises a fixed support and a non-power roller and is responsible for conveying finished rubber bags.
Furthermore, the packing box in the hydraulic packing machine is of an upper and lower opening structure, when the packing box receives materials, the bottom of the packing box is sealed by a packing push plate on a hydraulic push rod, and crushed rubber materials can be prevented from flowing out of the packing box; the sealing plate is of an opening structure, and the sealing plate is retracted during feeding, so that the opening of the sealing plate is aligned with the opening of the upper bearing platform, and crushed rubber is guaranteed to directly fall into the baling box; when the rubber is packed, the sealing plate moves, so that the solid part of the sealing plate seals the opening of the upper bearing platform and the upper opening of the packing box, and the extrusion packing process can be completed in the closed packing box through the pushing action of the hydraulic oil cylinder.
Furthermore, the hydraulic baling press still includes hydraulic baling press controlling means and sets up the full material sensor of hopper in going into the hopper top, hydraulic baling press controlling means connects the full material sensor of hopper and the actuating mechanism of scraping wings for control scraping wings reciprocating motion sends the full material of hopper until the full material sensor of hopper.
Furthermore, the confluence conveying roller is arranged below the discharge rollers of the two packing machines and mainly comprises a support and a power roller, the confluence conveying roller can receive finished rubber bags conveyed by the discharge rollers, and the confluence conveying roller is mainly responsible for converging the finished rubber bags packaged by the two hydraulic packing machines and conveying the finished rubber bags to the next-stage process flow.
Furthermore, the system is mainly controlled based on a PLC, a material detection sensor is arranged at the blanking position of the weighing and material supplementing platform and used for detecting whether materials exist or not and controlling the inclined belt conveyor to feed, the pressure sensor and the material detection sensor are used for jointly controlling the starting and the stopping of the inclined belt conveyor, and meanwhile, the pressure sensor is used for controlling the starting and the stopping of the bidirectional belt conveyor; an incoming material detection sensor is arranged at a material inlet of the hydraulic packaging machine, and when the incoming material detection sensor detects that the material completely enters, the bidirectional belt conveyor is controlled to stop running, and meanwhile, a sealing plate mechanism in the hydraulic packaging machine is controlled to run; a sealing plate in-place detection sensor is arranged on the sealing plate mechanism and used for detecting whether the sealing plate is in place when extending out and controlling the start and stop of the baling box mechanism; a packing box in-place detection sensor is arranged above the packing box mechanism and used for detecting whether the packing box is in place or not, controlling the starting of a hydraulic oil cylinder, extruding and packing rubber, and returning to an initial position after the packing action is finished; an in-place detection sensor is arranged at the initial position of the packing oil cylinder and used for detecting whether packing is finished and controlling the zero returning actions of the packing box and the sealing plate, and detection sensors are arranged at the zero returning positions of the packing box and the sealing plate and used for detecting whether the packing box and the sealing plate return to zero in place and controlling the pushing and discharging actions of the packing oil cylinder; and an in-place detection sensor is arranged at the movement limit position of the packing oil cylinder and used for detecting whether the packing oil cylinder pushes the finished rubber bag out of the box, and simultaneously, the pushing mechanism is controlled to operate to push the finished rubber bag out of the discharging conveying roller.
The PLC control system and each detection sensor device cooperatively control the operation of the whole system, when the system is started, a detection device on the weighing and material supplementing platform detects that no rubber material exists, the PLC control system immediately operates, a driving system of the front-section inclined belt conveyor is started to supply material to the weighing and material supplementing platform, when the material in the weighing and material supplementing platform reaches a standard weight, the inclined belt conveyor is controlled to stop operating through a pressure sensor and a material detection sensor, a bidirectional belt motor controlled by the PLC system is started to immediately operate a bidirectional weighing belt, the rubber material after weighing is conveyed into a packing machine, after a material inlet detection sensor of the packing machine receives a signal of material entering, the PLC control system of the packing machine is started to operate, and the rubber material is automatically packed and discharged under the common detection action of the sensors of the sealing plate mechanism, the packing box mechanism, the hydraulic oil cylinder and the material pushing mechanism and the working principle, wherein the PLC control system controlled by the system and the packing machine are two independent control systems which cooperatively control to realize the automatic weighing of the rubber.
The rubber material detection mechanism is arranged on the material supplementing platform and used for detecting whether the rubber material on the material supplementing platform is short of the material.
According to a second aspect, the technical solution of the present invention is:
an intelligent weighing, supplementing and packaging method for natural rubber comprises the following steps:
s1, the system starts to work, crushed natural rubber is conveyed by a previous-stage process system through a conveying belt, and uniformly falls on the conveying belt of an inclined belt conveyor without leakage through a feeding cover of the inclined belt conveyor to supply materials for a weighing and feeding device;
s2, conveying the crushed rubber materials onto a weighing belt in a weighing material supplementing device by a conveying belt of the inclined belt conveyor, weighing the crushed rubber materials conveyed by the conveying belt by the weighing belt in real time, stopping running of the inclined belt conveyor when a pressure sensor in the weighing material supplementing device is close to 35kg, and intelligently supplementing materials by manpower on a material supplementing platform;
s3, stopping material supplementing when the weight of the crushed rubber materials reaches 35kg +/-0.175 kg through manual material supplementing, starting a weighing belt in the weighing material supplementing device, conveying the weighed crushed rubber materials to a feed hopper of a hydraulic packing machine in an idle state, and enabling the crushed rubber materials to fall into a packing box to be prepared for extrusion packing;
and S4, after the rubber crushed aggregates are completely discharged, the hydraulic packing machine starts to operate. Namely, the sealing plate cylinder pushes the sealing plate to enable the sealing plate to seal the feed inlet, and the packing box is sealed into a sealed cavity; then, starting a hydraulic system, enabling a hydraulic pressure head to move upwards, and packing the crushed rubber by taking the sealing plate as a supporting bottom plate to finish the extrusion packing work of the rubber; when the hydraulic packing pressure reaches the extrusion rated pressure of the standard rubber bag, the hydraulic pressure head stays at the position for a period of several seconds, the rubber standard bag is subjected to pressure maintaining, and then the hydraulic pressure head moves downwards to return to the initial zero position; then the sealing plate cylinder operates, the sealing plate is pulled back, the position of the sealing plate returns to the zero position, the opening of the sealing plate is ensured to be aligned with the opening of the upper bearing platform, and a space is made for the standard rubber bag to be taken out of the box; the hydraulic system is started again, the hydraulic pressure head moves upwards to the limit position of the hydraulic system, and the finished standard rubber bag in the packing box is pushed out; after the finished rubber packet is pushed out to the extreme position by the hydraulic pressure head, the driving motor of the material pushing plate is started, and the standard rubber packet which is packaged is pushed out to the discharging roller to complete the finished rubber packet discharging; after the discharging is finished, the driving motor of the material pushing plate is reversely started, so that the material pushing plate returns to the initial zero position; meanwhile, the hydraulic system is started, so that the hydraulic pressure head returns to the initial zero position, and then the next packing work is started;
s5, after the packaging is finished, the finished rubber bag flows into a confluence conveying roller through a discharge roller of the hydraulic packaging machine;
and S6, completing the automatic weighing, supplementing and packaging process of the rubber through the steps S1 to S5. The two packing machines can act in a coordinated mode, when the capacity demand of the rubber processing workshop is large, the two hydraulic packing machines work together, when the capacity demand of the rubber processing workshop is small, one of the hydraulic packing machines is standby, and only one of the hydraulic packing machines is used for packing.
The working principle of the invention is as follows:
the invention discloses an intelligent weighing, material supplementing and packaging system for natural rubber. The front end of the inclined belt conveyor is connected with a crushed rubber dry stirring outlet, and the inclined belt conveyor is mainly used for conveying crushed rubber; the weighing and material supplementing device is arranged below the discharge end of the inclined belt conveyor, so that the crushed rubber materials conveyed by the inclined belt conveyor can stably fall onto a main feeding conveying belt of the weighing and material supplementing device, the weighing and material supplementing device mainly weighs the crushed rubber materials conveyed by the inclined belt conveyor in real time, and simultaneously supplements the crushed rubber materials, so that the weight of the crushed rubber materials reaches the standard weight of 35kg +/-0.175 kg, and the weighing precision is guaranteed; the two hydraulic packing machines are respectively arranged at two ends of a conveying belt of the weighing and material supplementing device, so that a feed port of each hydraulic packing machine is positioned below two ends of the weighing and material supplementing device, rubber after weighing and material supplementing are ensured to enter a packing box of the hydraulic packing machine through the feed port, and the hydraulic packing machine is mainly used for receiving, extruding and packing rubber fragments after weighing and material supplementing are completed; the conveying roller that converges is arranged in hydraulic baling press ejection of compact roll table end, guarantees that the finished product after accomplishing the packing is glued the package and can flow in the conveying roller that converges through ejection of compact roll table, and the conveying roller that converges mainly connects the ejection of compact roll table of two hydraulic baling presses, and the finished product standard that comes out to two hydraulic baling presses is glued the package and is joined and carry to next stage process system. When the system is used for realizing intelligent weighing, supplementing and packaging of natural rubber, the crushed natural rubber is stably conveyed to an inclined belt conveyor through a conveying belt by a previous-stage process system, the material is lifted and conveyed through the inclined belt conveyor by a moving height difference, the inclined belt conveyor conveys the crushed rubber to a weighing belt in a weighing supplementing device, the crushed rubber is weighed through the weighing belt in real time, when a pressure sensor in the weighing supplementing device is close to 35kg, the inclined belt conveyor stops running, and intelligent supplementing is performed through manual work on a supplementing platform; stopping feeding when the weight of the crushed rubber materials reaches 35kg +/-0.175 kg through manual feeding, starting a weighing belt in the weighing feeding device, conveying the weighed crushed rubber materials to a feed hopper of a hydraulic packing machine in an idle state, and falling into a packing box to prepare for extrusion packing; and after the rubber crushed aggregates are blanked, the hydraulic packing machine starts to operate. The sealing plate cylinder pushes the sealing plate to enable the sealing plate to seal the feeding hole, and the packing box is sealed into a sealed cavity; then, starting a hydraulic system, enabling a hydraulic pressure head to move upwards, and packing the crushed rubber by taking the sealing plate as a supporting bottom plate to finish the extrusion packing work of the rubber; when the hydraulic packing pressure reaches the extrusion rated pressure of the standard rubber bag, the hydraulic pressure head stays at the position for pressure maintaining, and then the hydraulic pressure head moves downwards to return to the initial zero position; then the sealing plate cylinder operates, the sealing plate is pulled back, the position of the sealing plate returns to the zero position, the opening of the sealing plate is ensured to be aligned with the opening of the upper bearing platform, and a space is made for the standard rubber bag to be taken out of the box; the hydraulic system is started again, the hydraulic pressure head moves upwards to the limit position of the hydraulic system, and the finished standard glue package in the packing box is pushed out; after the finished rubber packet is pushed out to the extreme position by the hydraulic pressure head, the driving motor of the material pushing plate is started, and the standard rubber packet which is packaged is pushed out to the discharging roller to complete the finished rubber packet discharging; after the discharging is finished, the driving motor of the material pushing plate is reversely started, so that the material pushing plate returns to the initial zero position; meanwhile, the hydraulic system is started, so that the hydraulic pressure head returns to the initial zero position, and then the next packing work is started; after the packaging is finished, the finished rubber packet flows into a confluence conveying roller through a discharge roller of the hydraulic packaging machine, and the finished rubber packet is conveyed to a next process system by the confluence conveying roller.
The invention has the beneficial effects that:
i, conveying, weighing, packaging, feeding and discharging of rubber are achieved in an automatic mode, production efficiency of standard rubber bags is greatly increased, production capacity of the standard rubber bags is improved, production uniformity, standardization and unification of the standard rubber bags are improved, labor intensity of workers is greatly reduced, manual carrying and feeding are avoided, damage risks and hidden dangers existing in manual intervention are reduced, system adaptability is high, arrangement is flexible, and disassembly and movement are convenient;
II, automatic feeding of the natural rubber is realized by adopting inclined belt conveying, and an initial manual carrying mode is omitted, so that the problem of high labor intensity of workers is solved, and the automation degree of the system is improved;
III, manual feeding is carried out by adding a feeding platform, so that the weighing precision of the system is effectively ensured, and meanwhile, the traditional manual time-consuming and labor-consuming weighing mode is abandoned, so that the current feeding mode is easy and convenient, and the labor intensity is greatly reduced;
IV, adopt the packing hydro-cylinder to glue the ejection of compact mode that the package released the packing case with the finished product, cancelled traditional play a packet nail, made glue the package surface and do not have the pit, promoted and glued a package appearance quality, made the ejection of compact more reliable and more stable simultaneously.
Drawings
FIG. 1 is an isometric view of the overall system architecture of the present invention.
Fig. 2 is a top view structural diagram of the present invention.
Fig. 3 is a general structure diagram of the oblique belt conveyor of the invention.
FIG. 4 is a structural diagram of a weighing feeding device of the present invention.
Fig. 5 is a general structural view of the hydraulic baler of the present invention.
Wherein: 1-an inclined belt conveyor, 101-a feeding cover, 102-a conveying belt and 103-an inclined belt frame; 2-weighing material supplementing device, 201-weighing belt, 202-pressure sensor, 203-weighing device rack and 204-material supplementing platform; 3-hydraulic baling press, 301-feeding hopper, 302-pushing plate, 303-sealing plate, 304-baling box, 305-baling press frame, 306-hydraulic cylinder, 307-discharging roller; 4-confluence conveying roller.
Detailed Description
The present invention is further illustrated in the following drawings, wherein the following examples are further described in the present invention, and are only preferred embodiments of the present invention, which should not be construed as limiting the present invention, and any modifications, equivalents and the like within the spirit and principle of the present invention shall be included in the scope of the present invention.
The invention relates to a system and a method for intelligently weighing, supplementing and packaging natural rubber, which can intelligently weigh crushed rubber conveyed from the previous process section (namely a rubber primary processing process section, also called a water line or a trunk process section), supplement the rubber in real time through a supplementing platform, convey the weighed natural rubber to a packaging machine for automatic packaging, finally form standard rubber packages with uniform quality, weight, size and the like, and automatically convey the standard rubber packages to the next production process system (namely a finished product packaging process section) through a conveying mechanism. The automatic weighing, supplementing and packaging process of the natural rubber is completed, and the problems of low automation degree, high labor intensity of workers and high potential safety hazard in the current natural rubber processing factory are solved. Can effectively improve the automation and intelligence level of natural rubber processing.
Example 1
As shown in figures 1 and 2, the intelligent weighing, supplementing and packaging system for natural rubber is mainly provided with an inclined belt conveyor 1, a weighing and supplementing device 2, a hydraulic packaging machine 3, a confluence conveying roller 4 and a PLC control system for realizing system linkage. Wherein:
The front end of the inclined belt conveyor 1 is connected with a dry stirring outlet of rubber crushed aggregates, the weighing and supplementing device 2 is arranged below the discharge end of the inclined belt conveyor 1, the two hydraulic packing machines 3 are respectively arranged at two ends of the weighing belt 201 of the weighing and supplementing device 2, the feeding hopper 301 of the hydraulic packing machine 3 is positioned below two ends of the weighing and supplementing device 2, and the confluence conveying roller 4 is arranged at the tail end of the discharge roller 307 of the hydraulic packing machine 3.
As shown in fig. 3, the inclined belt conveyor 1 is composed of a feeding cover 101, a conveying belt 102 and an inclined belt frame 103, wherein the inclined belt frame 103 is a main support of the inclined belt conveyor 1; the feeding cover 101 is arranged at the lower end of the conveying belt 102 and is responsible for receiving the crushed rubber from the previous process section, and the crushed rubber can be uniformly distributed on the conveying belt 102 without leakage through the transition of the feeding cover 101; the conveyor belt 102 is set at a certain inclination, and the inclination angle can be freely set according to the size of the space available in the factory.
As shown in FIG. 4, the weighing and feeding device 2 is composed of a weighing belt 201, a pressure sensor 202, a weighing device frame 203 and a feeding platform 204. Wherein the weighing device frame 203 is used as a main supporting frame of the weighing feeding device 2; the four groups of pressure sensors 202 are respectively connected in series and fixed on four bearing upright posts of the weighing device frame 203, the four groups of pressure sensors are electrically connected with the weighing and material supplementing control device, and the weighing and material supplementing control device can measure the pressure in real time; the weighing belt 201 is fixed above the pressure sensor 202, the weighing belt 201 can reciprocate in the left direction and the right direction, and when the weighing and feeding device 2 finishes weighing the crushed rubber and reaches the standard weight, the weighing and feeding control device controls the weighing belt 201 to feed the two hydraulic packing machines 3 through bidirectional motion, so that the two hydraulic packing machines 3 work continuously in a coordinated mode; feed supplement platform 204 sets up behind weighing device frame 203, is equipped with the stair in the side of feed supplement platform 204 support to it prevents weighing down the net to be equipped with at stair epitaxy, is equipped with the protection network simultaneously around feed supplement platform 204, increases the security that prevents weighing down, and the workman's of supplementary feed supplement accessible stair goes to feed supplement platform 204 to go to carry out real-time feed supplement, guarantees rubber weighing accuracy. When the weighing and material supplementing device works, intelligent control is performed through the PLC control system of the whole line system, and the intelligent control method mainly comprises the following steps: the detection device on the weighing and material supplementing platform detects that no rubber material exists, the PLC control system operates immediately, the driving system of the front-section inclined belt conveyor operates to supply materials to the weighing and material supplementing platform, when the materials in the weighing and material supplementing platform reach the standard weight (reach the set value of the pressure sensor 202), the motor of the PLC control system is started, the weighing belt operates immediately, meanwhile, the front-end inclined belt conveyor stops supplying materials, the weighed rubber materials are conveyed into the packing machine, and automatic weighing and material supplementing of the rubber materials are achieved.
As shown in fig. 5, the hydraulic baler 3 mainly comprises an inlet hopper 301, a material pushing plate 302, a sealing plate 303, a baling box 304, a baler frame 305, a hydraulic cylinder 306, a discharging roller 307, a hopper full-load sensor 308 and a hydraulic baler control device. The packaging machine frame 305 is a main support, a bearing platform is arranged on the packaging machine frame 305, and the upper part of the platform is connected with an upper bearing platform through an upright post; the feeding hopper 301 is fixed on the upper bearing platform; the material pushing plate 302 is arranged on the upper layer bearing platform, and the reciprocating motion of the material pushing plate 302 can be realized by the reciprocating motion of a driving mechanism of the hydraulic baling machine control device; the sealing plate 303 is arranged on the lower end face of the upper-layer bearing platform and connected with a cylinder driving structure, reciprocating motion can be realized under the driving action of the cylinder, and the sealing and opening of a material inlet and a material outlet of the upper-layer bearing platform are realized; the packing box 304 is arranged on the bearing platform and is positioned below the sealing plate 303, namely the sealing plate 303 can reciprocate between the packing box 304 and the upper bearing platform, meanwhile, the sealing and opening of the packing box 304 are realized, and the size of the inner cavity of the packing box 304 can control the size of a finished product after rubber packing; the hydraulic oil cylinder 306 is fixed on the lower end face of the bearing platform, a packing push plate is arranged on the hydraulic push rod, the hydraulic push rod and the packing push plate can pass through the packing box 304 to perform lifting reciprocating motion, and the hydraulic oil cylinder 306 system can extrude and pack crushed rubber and can also push a finished rubber pack which is packed out of the packing box 304; the discharging roller 307 is fixed on the bearing platform, mainly comprises a fixed support and a powerless roller, and is responsible for conveying finished rubber bags. After the hydraulic packing machine 3 receives the rubber material conveyed by the weighing and feeding device 2, the hydraulic packing machine 3 receives a signal of material entering, an independent PLC control system of the packing machine starts to operate, and the rubber material is automatically packed and discharged. The PLC control system controls the sealing plate 303 to move to seal the packing box 304, after the detection device detects a sealing signal, the PLC system controls the packing box 304 to move to enable the packing box 304 to move upwards, after the upward movement detection device detects the signal, the PLC control system immediately controls the packing oil cylinder 306 to start to operate, rubber in the packing box 304 is extruded and packed, after extrusion and packing are completed, the PLC control system controls related devices to return to an initial position, meanwhile, the packing oil cylinder 306 is controlled to operate again, a packed standard rubber finished product is pushed out, after the discharging detection device detects the signal, the PLC control system controls the material pushing plate 302 to operate to enable the material pushing plate to push out the finished rubber, immediately, the PLC control system controls all other components in the hydraulic packing machine 2 to return to initial zero positions, and waits for the next packing process.
Example 2
The invention discloses an intelligent weighing, supplementing and packaging method utilizing an intelligent weighing, supplementing and packaging system for natural rubber, which comprises the following specific implementation steps of:
s1, the system starts to work, crushed natural rubber is conveyed by a previous-stage process system through a conveying belt, and uniformly falls on a conveying belt 102 of an inclined belt conveyor 1 through a feeding cover 101 of the inclined belt conveyor 1 without leakage to supply materials to a weighing and feeding device 2;
s2, conveying the crushed rubber materials onto a weighing belt 201 in a weighing and feeding device 2 by a conveying belt 102 of the inclined belt conveyor 1, weighing the crushed rubber materials conveyed by the conveying belt 102 in real time by the weighing belt 201, stopping the operation of the inclined belt conveyor 1 when a pressure sensor 202 in the weighing and feeding device 2 is close to 35kg, and intelligently feeding the materials by manpower on a feeding platform 204;
s3, stopping supplementing when the weight of the crushed rubber materials reaches 35kg +/-0.175 kg through manual supplementing, starting a weighing belt 201 in the weighing supplementing device 2, conveying the weighed crushed rubber materials to a feeding hopper 301 of the hydraulic packing machine 3 in an idle state, and enabling the crushed rubber materials to fall into a packing box 304 for extrusion packing;
and S4, after the rubber crushed aggregates are completely discharged, the hydraulic packing machine 3 starts to operate. The cylinder pushes the sealing plate 303 to enable the sealing plate 303 to seal the feeding hole, and the packing box 304 is sealed into a sealed cavity; then, the hydraulic oil cylinder 306 is started, the hydraulic pressure head moves upwards, the sealing plate 303 is used as a supporting base plate to pack the crushed rubber, and the extrusion and packing work of the rubber is completed; when the pressure of the hydraulic oil cylinder 306 reaches the extrusion rated pressure of the standard rubber packet, the hydraulic pressure head stays at the position for a period of several seconds, the rubber standard packet is subjected to pressure maintaining, and then the hydraulic oil cylinder 306 moves downwards to return to the initial zero position; then, the air cylinder operates to pull back the sealing plate 303, so that the sealing plate 303 returns to a zero position, the opening of the sealing plate 303 is ensured to be aligned with the opening of the upper bearing platform, and a space is made for the standard rubber bag to be taken out of the box; the hydraulic oil cylinder 306 is started again, the hydraulic pressure head moves upwards to the limit position of the hydraulic system, and the finished standard glue package in the packing box 304 is pushed out; after the finished rubber packet is pushed out to the extreme position by the hydraulic pressure head, the material pushing plate 302 drives the motor to start, and the standard rubber packet which is packaged is pushed out to the discharging roller 307, so that the finished rubber packet is discharged; after discharging is finished, the pushing plate 302 drives the motor to start reversely, so that the pushing plate 302 returns to the initial zero position; simultaneously, the hydraulic oil cylinder 306 is started to enable the hydraulic pressure head to return to the initial zero position to prepare for the next packing work;
s5, after the packaging is finished, the finished rubber bag flows into the confluence conveying roller 4 through a discharge roller 307 of the hydraulic packaging machine 3;
and S6, completing the automatic weighing, supplementing and packaging process of the rubber through the steps S1 to S5. Two hydraulic baling presses 3 can the concerted action, and when the productivity demand of rubber processing workshop was big, two hydraulic baling presses 3 worked jointly, and when the productivity demand of rubber processing workshop was little, one of them hydraulic baling press 3 was for reserve, only carries out packing work with one.
In the description of the present application, it should be noted that the terms "upper, middle, lower", "left, right", "vertical/vertical, horizontal", "lateral, longitudinal", "inside, outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. The words used in this application to describe positions and orientations are provided by way of example in the drawings and can be changed as desired and are intended to be encompassed by the present application. The drawings of the present application are for illustrating relative positional relationships only and do not represent true scale.
Claims (10)
1. An intelligent weighing, supplementing and packaging system for natural rubber is characterized by comprising an inclined belt conveyor (1), a weighing and supplementing device (2), a hydraulic packaging machine (3), a confluence conveying roller (4) and a PLC control system;
the inclined belt conveyor (1) is provided with one belt, the weighing and material supplementing device (2) is provided with one set, the hydraulic packer (3) is provided with two belt conveyors, and the confluence conveying roller (4) is provided with one belt conveyor;
the front end of the inclined belt conveyor (1) is connected with a dry stirring outlet of crushed rubber, the weighing and material supplementing device (2) is arranged below the discharge end of the inclined belt conveyor (1), the two hydraulic packing machines (3) are respectively arranged at two ends of the weighing and material supplementing device (2) and are positioned below the weighing and material supplementing device, and the confluence conveying roller (4) is arranged at the discharge end of the hydraulic packing machines (3);
the weighing and supplementing device (2) comprises a weighing belt (201) and a weighing and supplementing control device, and the weighing and supplementing control device is used for controlling the weighing belt (201) to quantitatively supply materials for the two hydraulic balers (3) through bidirectional movement and controlling the oblique belt conveyor (1) to supply materials;
the PLC control system is respectively connected with and controls the weighing and material supplementing device (2), the hydraulic packer (3) and the confluence conveying roller (4) to run cooperatively.
2. The natural rubber intelligent weighing, supplementing and packaging system according to claim 1, characterized in that:
the weighing material supplementing device (2) further comprises a pressure sensor (202), a weighing device rack (203) and a material supplementing platform 204; wherein: the weighing belt (201) is fixed above the pressure sensor (202), and the weighing device rack (203) is used as a support frame of the weighing material supplementing device (2); four groups of pressure sensors (202) are arranged and respectively fixed on four bearing upright posts of the weighing device frame (203) in series, and the four groups of pressure sensors are electrically connected with the weighing material supplementing control device.
3. The intelligent natural rubber weighing, supplementing and packaging system according to claim 2, wherein:
the hydraulic baler (3) consists of a feeding hopper (301), a material pushing plate (302), a sealing plate (303), a baling box (304), a baler rack (305), a hydraulic oil cylinder (306) and a discharging roller (307); wherein: a bearing platform is arranged on the packer rack (305), the upper part of the bearing platform is connected with an upper bearing platform through an upright post, and a feeding hopper (301) is fixed on the upper bearing platform; the material pushing plate (302) is arranged on the upper-layer bearing platform, and the sealing plate (303) is arranged on the lower end face of the upper-layer bearing platform and connected with the cylinder driving structure to seal and open a material inlet and a material outlet of the upper-layer bearing platform; the packing box (304) is arranged on the bearing platform and is positioned below the sealing plate (303), and the sealing plate (303) can reciprocate between the packing box (304) and the upper bearing platform and simultaneously realize the sealing and opening of the packing box (304); the hydraulic oil cylinder (306) is fixed on the lower end face of the bearing platform, a packing push plate is arranged on the hydraulic push rod, the hydraulic push rod and the packing push plate penetrate through the packing box (304) and perform lifting reciprocating motion, and the hydraulic oil cylinder (306) system not only extrudes and packs crushed rubber materials, but also pushes finished rubber packages which are packed out of the packing box (304); the discharging roller (307) is fixed on the bearing platform, consists of a fixed support and an unpowered roller and is used for conveying finished rubber bags.
4. The intelligent natural rubber weighing, supplementing and packaging system according to claim 3, wherein:
the hydraulic baling press (3) further comprises a hydraulic baling press control device and a hopper full-material sensor (308) arranged above the feeding hopper (301), wherein the hydraulic baling press control device is connected with the hopper full-material sensor (308) and a driving mechanism of the material pushing plate (302) and used for controlling the material pushing plate (302) to reciprocate until the hopper full-material sensor (308) sends a hopper full-material signal.
5. The intelligent natural rubber weighing, supplementing and packaging system according to claim 3, wherein:
packing case (304) are upper and lower equal open structure in hydraulic baling press (3), and when the packing case connects the material, the bottom sealed the end mouth through the packing push pedal on the hydraulic pressure push rod for prevent that rubber crushed aggregates from flowing out the packing case.
6. The intelligent natural rubber weighing, supplementing and packaging system according to claim 3, wherein:
the sealing plate (303) is of an opening structure, the sealing plate (303) retracts during feeding, so that the opening of the sealing plate (303) is aligned with the opening of the upper bearing platform, and crushed rubber can be directly dropped into a baling box; when rubber is packed, the sealing plate (303) moves to enable the solid part of the sealing plate (303) to seal the opening of the upper layer bearing platform and the upper opening of the packing box (304), and extrusion packing is completed in the sealed packing box (304) under the pushing action of the hydraulic oil cylinder (306).
7. The intelligent natural rubber weighing and feeding packaging system as claimed in any one of claims 1 to 6, wherein:
oblique belt feeder (1) comprises pan feeding cover (101), conveyor belt (102) and oblique belt frame (103), wherein: the inclined belt frame (103) is used as a support of the inclined belt conveyor (1); the feeding cover (101) is arranged at the lower end of the conveying belt (102) and is used for receiving the crushed rubber from the previous process section; the conveyor belt (102) is set at a certain upward-inclined slope.
8. The intelligent natural rubber weighing and feeding packaging system as claimed in any one of claims 1 to 6, wherein:
the rubber material detection mechanism is arranged on the material supplementing platform (204) and used for detecting whether the rubber material on the material supplementing platform (204) is short of the material.
9. The intelligent natural rubber weighing, supplementing and packaging system according to claim 3, wherein:
the feeding hopper (301) is positioned below two ends of the weighing material supplementing device (2), and the confluence conveying roller (4) is arranged at the tail end of a discharging roller (307) arranged on the hydraulic packaging machine (3).
10. The intelligent weighing, supplementing and packaging method of the natural rubber intelligent weighing, supplementing and packaging system according to any one of claims 1-9, comprising the following steps:
s1, the system starts to work, crushed natural rubber is conveyed by a previous-stage process system through a conveying belt, and uniformly falls on a conveying belt (102) of an inclined belt conveyor (1) through a feeding cover (101) of the inclined belt conveyor (1) without leakage to supply materials for a weighing and feeding device (2);
s2, conveying the crushed rubber materials onto a weighing belt (201) in a weighing material supplementing device (2) by a conveying belt (102) of the inclined belt conveyor (1), weighing the crushed rubber materials conveyed by the conveying belt (102) in real time by the weighing belt (201), stopping running of the inclined belt conveyor (1) when a pressure sensor (202) in the weighing material supplementing device (2) is close to 35kg, and intelligently supplementing materials by manpower on a material supplementing platform 204;
s3, stopping material supplementing when the weight of the crushed rubber materials reaches 35kg +/-0.175 kg through manual material supplementing, starting a weighing belt (201) in the weighing material supplementing device (2), conveying the weighed crushed rubber materials to a feeding hopper (301) of the hydraulic packing machine (3) in an idle state, and enabling the crushed rubber materials to fall into a packing box (304) to be prepared for extrusion packing;
s4, after the rubber crushed aggregates are blanked, the hydraulic packing machine (3) starts to operate; the cylinder pushes the sealing plate (303) to enable the sealing plate (303) to seal the feeding hole, and the packing box (304) is sealed into a sealed cavity; then the hydraulic oil cylinder (306) is started, the hydraulic pressure head moves upwards, the sealing plate (303) is used as a supporting bottom plate to pack the crushed rubber, and the extrusion and packing work of the rubber is completed; when the pressure of the hydraulic oil cylinder (306) reaches the extrusion rated pressure of the standard rubber packet, the hydraulic pressure head stays at the position for a period of several seconds, the rubber standard packet is subjected to pressure maintaining, and then the hydraulic oil cylinder (306) moves downwards to return to the initial zero position; then the air cylinder operates to pull back the sealing plate (303), so that the sealing plate (303) returns to a zero position, the opening of the sealing plate (303) is ensured to be aligned with the opening of the upper bearing platform, and a space is provided for the standard rubber bag to be taken out of the box; the hydraulic oil cylinder (306) is started again, the hydraulic pressure head moves upwards to the limit position of the hydraulic system, and the finished standard glue package in the packing box (304) is pushed out; after the finished rubber packet is pushed out to the extreme position by the hydraulic pressure head, the driving motor of the material pushing plate (302) is started, and the standard rubber packet which is packaged is pushed out to the discharging roller (307) to finish the finished product discharging of the rubber packet; after discharging is finished, the driving motor of the material pushing plate (302) is started reversely, so that the material pushing plate (302) returns to the initial zero position; simultaneously, the hydraulic oil cylinder (306) is started to enable the hydraulic pressure head to return to the initial zero position for preparing the next packing work;
s5, after the packaging is finished, the finished rubber bag flows into a confluence conveying roller (4) through a discharging roller (307) of the hydraulic packaging machine (3);
s6, repeating the steps from S1 to S5 to finish the automatic weighing, supplementing and packaging of the rubber;
s7, when the capacity demand of the rubber processing workshop is large, the PLC control system controls the two hydraulic packing machines (3) to work together; when the capacity demand of the rubber processing workshop is small, the PLC control system controls one of the two hydraulic packing machines (3) to carry out packing work.
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