CN111941680A - Recovery device, granulator and granulator control method - Google Patents
Recovery device, granulator and granulator control method Download PDFInfo
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- CN111941680A CN111941680A CN202010621510.6A CN202010621510A CN111941680A CN 111941680 A CN111941680 A CN 111941680A CN 202010621510 A CN202010621510 A CN 202010621510A CN 111941680 A CN111941680 A CN 111941680A
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- control module
- driven roller
- production line
- film production
- driving roller
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- 238000011084 recovery Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 claims abstract description 62
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 238000004064 recycling Methods 0.000 claims description 54
- 238000003825 pressing Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
- B65H18/12—Mechanisms in which power is applied to web-roll spindle to effect step-by-step advancement of web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92733—Electrical properties
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a recovery device, a granulator and a granulator control method, wherein the recovery device comprises a main body part, a coiling motor, a driving roller, a driven roller and a control module, wherein the rotating ends of the driving roller and the driven roller are connected to the main body part, the coiling motor is used for driving the driving roller to rotate, and the driving roller drives the driven roller to rotate; the driving roller and the driven roller are matched with each other to bite materials for conveying; the control module is electrically or wirelessly connected with the coil motor, and the control module is electrically or wirelessly connected with the film production line and can receive the discharge speed signal transmitted by the film production line. According to the recovery device provided by the embodiment of the invention, the speed of recovering materials of the recovery device is adapted to the discharging speed of the film production line by linkage with the film production line, so that the materials can be stably recovered, and the recovery quality is ensured.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a recovery device, a granulator and a granulator control method.
Background
With the development of the plastic industry, the field of plastic application is increasingly wide, the market demand of plastic films is also increasingly large, and some unqualified products and waste scraps are inevitably produced in the production process of the plastic films. If the waste materials cannot be recycled in time, the waste materials are wasted and the environment is polluted. In the waste material recovery process, the existing recovery devices have the defects of complex recovery process and unstable recovery quality.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and therefore the invention provides a recovery device which can realize linkage with a film production line, is convenient for recovering materials and has stable recovery quality.
The invention also provides a granulator with the recovery device.
The invention also provides a control method of the granulator.
The recycling device comprises a main body part, a material rolling motor, a driving roller, a driven roller and a control module, wherein two ends of the driving roller and two ends of the driven roller are rotatably connected to the main body part; the driving roller and the driven roller are matched with each other to bite materials for conveying; the control module is electrically or wirelessly connected with the coil motor, and the control module is electrically or wirelessly connected with the film production line and can receive the discharge speed signal transmitted by the film production line.
According to the recovery device provided by the embodiment of the invention, at least the following technical effects are achieved: the material is occluded and conveyed by the mutual matching of the driving roller and the driven roller, meanwhile, the control module is electrically or wirelessly connected with the film production line and can receive a discharging speed signal transmitted by the film production line, and the control module adjusts the rotating speed of the coil material motor according to the discharging speed of the film production line, so that the material recovering speed of the recovering device can be adapted to the discharging speed of the film production line, and the situation that the recovering speed of the recovering device is too high due to the slow discharging speed of the film production line, the material is pulled apart, and the material needs to be pulled between the driving roller and the driven roller by an operator is avoided; or the situation that a large amount of materials cannot enter the granulator in time due to the fact that the discharging speed of the film production line is too high and the recycling speed of the recycling device is low occurs. Through making recovery unit and film production line produce the linkage for recovery unit's the speed of retrieving the material suits with the ejection of compact speed of film production line, can stabilize the recovery material, guarantees the recovery quality.
In some embodiments of the present invention, the feed device further comprises a feed pipe, the feed pipe is horn-shaped, and one end of a small opening of the feed pipe is fixedly connected to the main body; the material is drawn between the drive roll and the driven roll through the feed conduit.
In some embodiments of the present invention, a plurality of material pressing protrusions are correspondingly arranged on each of the driving roller and the driven roller, and a material pressing groove is formed between adjacent material pressing protrusions; the driving roller and the driven roller are matched with each other through the material pressing protrusion and the material pressing groove to bite the materials for conveying.
In some embodiments of the present invention, the device further comprises an air cylinder and a traction plate, wherein the traction plate is connected with the driven roller, and the air cylinder can drive the traction plate to pull the driven roller to be separated from the driving roller.
In some embodiments of the invention, the two side walls of the main body are provided with guide grooves, two ends of the driven roller are embedded in the guide grooves, and the traction plate pulls the driven roller to move in the guide grooves.
In some specific embodiments of the present invention, the mobile terminal further includes a touch screen, the touch screen is electrically or wirelessly connected to the control module, and the touch screen is used for inputting the setting parameters.
A granulator according to embodiments of the second aspect of the present invention comprises a recycling apparatus according to embodiments of the first aspect of the present invention as described above.
The granulator according to the embodiment of the invention has at least the following technical effects: through adopting foretell recovery unit for the granulator can produce the linkage with the film production line, makes the granulator retrieve the speed of granulation and can suit with the ejection of compact speed of film production line, can stabilize the recovery material, guarantees recovery quality.
In some embodiments of the present invention, the apparatus further comprises a feeding screw, a screw motor and a frequency converter, wherein the screw motor drives the feeding screw to rotate, and the frequency converter is configured to monitor a current change of the screw motor and transmit a signal to the control module.
According to a third aspect of the present invention, there is provided a control method for a pelletizer including the recycling apparatus of the first aspect, the control method comprising the steps of:
the film production line transmits a discharging speed signal;
the control module receives a discharging speed signal transmitted by the film production line;
and the control module adjusts the rotating speed of the coil motor to enable the material recovery speed of the recovery device to be matched with the discharge speed of the film production line.
In some embodiments of the present invention, the pelletizer further includes a feeding screw, a screw motor and a frequency converter, the screw motor drives the feeding screw to rotate, and the frequency converter is configured to monitor the current change of the screw motor and transmit a signal to the control module; the granulator control method further comprises the following steps:
monitoring the current change of the screw motor through the frequency converter and transmitting the current value of the screw motor to the control module;
the control module compares the current value of the screw motor with a set value;
and when the current value is larger than a set value, the control module controls the coiling motor to decelerate or stop working.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above-mentioned additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the overall structure of a recycling apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a recycling apparatus according to an embodiment of the present invention without a feed line;
FIG. 3 is an exploded view of the construction of a recycling appliance according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a drive roll according to an embodiment of the present invention;
fig. 5 is a schematic view of the overall structure of the pelletizer according to the embodiment of the present invention.
Reference numerals:
the recycling device 100, the main body part 110, the guide groove 111, the coil motor 120, the driving roller 130, the pressing protrusion 131, the pressing groove 132, the driven roller 140, the feeding pipeline 150, the traction plate 160, the air cylinder 170, the control module 180, the touch screen 190 and the granulator 200.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
A recycling apparatus 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
For example, as shown in fig. 2 and 5, a recycling apparatus 100 according to an embodiment of the present invention includes a main body 110, a roll motor 120, a driving roller 130, a driven roller 140, and a control module 180, wherein two ends of the driving roller 130 and the driven roller 140 are rotatably connected to the main body 110, the roll motor 120 is used for driving the driving roller 130 to rotate, and the driving roller 130 drives the driven roller 140 to rotate; the driving roller 130 and the driven roller 140 are matched with each other to bite materials for conveying; the control module 180 is electrically or wirelessly connected with the coil motor 120, and the control module 180 is electrically or wirelessly connected with the film production line and can receive a discharge speed signal transmitted by the film production line.
For example, as shown in fig. 2 and 3, the recycling device 100 includes a main body 110, a material winding motor 120, a driving roller 130, a driven roller 140, and a control module 180, wherein a containing cavity is disposed in the main body 110, two ends of the driving roller 130 and the driven roller 140 are connected to a side wall of the main body 110, and the main body is disposed in the containing cavity of the main body 110. The coil motor 120 is used to drive the driving roller 130 to rotate, and the driving roller 130 rotates to drive the driven roller 140 to rotate together. The driving roller 130 and the driven roller 140 cooperate with each other to engage the material to convey the material. The control module 180 is electrically or wirelessly connected to the coil motor 120, and can control the rotation speed of the coil motor 120. The control module 180 is electrically or wirelessly connected to the film production line and can receive the discharge speed signal transmitted by the film production line.
When the recycling device 100 is in operation, a worker pulls the material between the drive roller 130 and the driven roller 140 so that the drive roller 130 and the driven roller 140 can engage the material to transport the material. The control module 180 may control the rotation speed of the driving roller 130 to adjust the speed of the recycling device 100 to recycle the material, and the control module 180 may receive the discharging speed signal transmitted by the film production line, and the control module 180 may adjust the rotation speed of the coil motor 120 according to the discharging speed signal transmitted by the film production line to match the speed of the recycling device 100 to the material recycling speed.
A gear structure or a chain structure may be provided between the driving roller 130 and the driven roller 140 to maintain linkage, so that the driving roller 130 may drive the driven roller 140 to rotate synchronously, and the rotation directions of the driving roller 130 and the driven roller 140 are opposite to each other, thereby ensuring that the material between the driving roller 130 and the driven roller 140 can be smoothly transported.
For example, the signal transmitted by the film production line is adjusted by a voltage of 0-10V, when the signal voltage transmitted by the film production line is 8V, the discharging speed of the film production line is 80% of the maximum speed, when the signal voltage transmitted by the film production line is 4V, the discharging speed of the film production line is 40% of the maximum speed, and so on. After receiving the voltage signal, the control module 180 may calculate the discharging speed of the film production line, that is, may change the rotation speed of the coil motor, so that the rotation speeds of the driving roller 130 and the driven roller 140 are changed, thereby adjusting the material recycling speed of the recycling apparatus 100 to match the discharging speed of the film production line.
It is understood that the film production line produces films with unwanted waste on both sides of the film, and the film is produced by cutting off the two sides of the film, which means that the waste is recycled or otherwise pollutes the environment. The recycling device 100 can be used for recycling materials with continuous discharge like this, and the materials can be transported by the mutually meshed engagement of the driving roller 130 and the driven roller 140 due to the continuity of the materials, and the recycling speed of the recycling device 100 has a great influence on the recycling of the materials.
For example, when the discharge speed of the film production line is increased and the speed of the recycling device 100 is not changed, a large amount of materials between the discharge port of the film production line and the recycling device 100 cannot be recycled, or the materials fall on the ground and are polluted, which causes unnecessary troubles for recycling and increases the burden of material filtration. When the speed of the film production line is slow and the speed of the recycling device 100 is not changed, the recycling device 100 is easy to tear off the material, and the worker needs to pull the material between the driving roller 130 and the driven roller 140 again, so that the burden of the worker is increased, and therefore, it is very important to control the speed of the recycled material of the recycling device 100 to be matched with the discharging speed of the film production line.
Therefore, after the control module 180 can receive the discharge speed signal of the film production line, the control module 180 can control the material recovery speed of the recovery device 100 to be matched with the discharge speed of the film production line, so that the materials are stably recovered, and the recovery quality is ensured.
In some embodiments of the present invention, the present invention further comprises a feeding pipe 150, wherein the feeding pipe 150 is trumpet-shaped, and one end of the feeding pipe 150 with a small opening is fixedly connected to the main body 110; the material is drawn between the drive roll 130 and the driven roll 140 through the feed conduit 150.
For example, as shown in fig. 1 and 3, the feeding pipe 150 is in a horn shape, one end of the small opening is fixedly connected with the main body 110 of the material reeling device, and the material can be pulled between the driving roller 130 and the driven roller 140 through the large opening of the feeding pipe 150, so as to be recycled by the material reeling device.
The feeding duct 150 is provided to allow a passage of the material to be transported, and the feeding duct 150 wraps the entrance of the driving roller 130 and the driven roller 140 to prevent a worker from being injured by carelessly inserting his hand between the driving roller 130 and the driven roller 140.
In some embodiments of the present invention, the driving roller 130 and the driven roller 140 are respectively provided with a plurality of corresponding and matched pressing protrusions 131, and a pressing groove 132 is formed between adjacent pressing protrusions 131; the drive roll 130 and the driven roll 140 engage the material for transport by the nip projections 131 and nip recesses 132 cooperating.
For example, as shown in fig. 2 and 4, a plurality of corresponding and matched nip protrusions 131 are arranged on each of the driving roll 130 and the driven roll 140, and a nip groove 132 is formed between adjacent nip protrusions 131. When the recycling device 100 works, the nip protrusions 131 of the driving roller 130 are inserted between the nip grooves 132 of the driven roller 140, and the nip protrusions 131 of the driven roller 140 are inserted between the nip grooves 132 of the driving roller 130, so that the materials are conveyed in an engagement manner.
In some embodiments of the present invention, an air cylinder 170 and a pulling plate 160 are further included, the pulling plate 160 is connected to the driven roller 140, and the air cylinder 170 can drive the pulling plate 160 to pull the driven roller 140 away from the driving roller 130.
For example, as shown in fig. 1 and 2, the recycling apparatus 100 further includes an air cylinder 170 and a traction plate 160, the traction plate 160 is connected to the driven roller 140, and both ends of the driven roller 140 are connected to the traction plate 160 through rolling bearings, so that when the air cylinder 170 drives the traction plate 160 to move, the traction plate 160 can pull the driven roller 140 to separate from the driving roller 130.
By such an arrangement, when the thickness of the material changes, the distance between the driving roller 130 and the driven roller 140 can be adjusted by the air cylinder 170 so as to adjust the engagement force between the driving roller 130 and the driven roller 140.
In some embodiments of the present invention, guide grooves 111 are formed on both sidewalls of the body 110, both ends of the driven roller 140 are inserted into the guide grooves 111, and the traction plate 160 draws the driven roller 140 to move in the guide grooves 111.
For example, as shown in fig. 3, the recovery apparatus 100 has guide grooves 111 formed in both side walls of the main body 110, and both ends of the driven roller 140 are fitted into the guide grooves 111, so that the traction plate 160 can pull the driven roller 140 to move in the guide grooves 111.
The track of the driven roller 140 can be controlled by the arrangement of the guide groove 111, and the traction plate 160 can pull the driven roller 140 to move along a fixed track by the driving of the air cylinder 170.
In some embodiments of the present invention, a touch screen 190 is further included, the touch screen 190 is electrically or wirelessly connected to the control module 180, and the touch screen 190 is used for inputting the setting parameters.
For example, as shown in fig. 5, the recycling apparatus 100 is further provided with a touch screen 190, the touch screen 190 is electrically or wirelessly connected to the control module 180, and the touch screen 190 is used for inputting setting parameters.
The staff can carry out manual adjustment to the rotational speed of coil stock motor 120 through input the settlement parameter on touch-sensitive screen 190, thereby can control the recovery material speed of recovery unit 100 through control module 180 control the rotational speed of coil stock motor 120 when the staff inputs the settlement parameter on touch-sensitive screen 190.
A granulator 200 according to an embodiment of the second aspect of the present invention comprises a recycling apparatus 100 according to the above-described embodiment of the first aspect of the present invention.
According to the granulator 200 provided by the embodiment of the invention, the recovery device 100 is adopted, so that the linkage with a film production line can be realized, the speed of the recovered materials of the granulator 200 is matched with the discharging speed of the film production line, the recovered materials are stabilized, and the recovery quality is ensured.
The discharge end of the recycling device 100 is connected to the pelletizer 200, and the materials are transported by the driving roller 130 and the driven roller 140 and then enter the pelletizer 200 from the discharge end of the recycling device 100. The recycling device comprises a feeding end and a discharging end, one end of the material entering the driving roller 130 and one end of the driven roller 140 are the feeding end, one end of the recycling device connected with the granulator 200 is the discharging end, and the driving roller 130 and the driven roller 140 rotate towards the direction of the discharging end to drive the material to enter the granulator 200.
Other constructions and operations of the pelletizer 200 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In some embodiments of the present invention, the pelletizer 200 further comprises a feed screw, a screw motor for driving the feed screw to rotate, and a frequency converter for monitoring the current change of the screw motor and transmitting a signal to the control module 180.
Inside the material got into granulator 200 after recovery unit 100 transports, carry out the melting by granulator 200 and retrieve, carry out the propelling movement to the material through the pay-off screw, and the material that gets into in granulator 200 is too much, then the pay-off screw eats the material too much, the torque that receives is too big, then the electric current of screw motor will grow, easily take place to transship, thereby take place to transship then the screw motor will pause the operation by automatic cutout circuit whole device, the recycle that causes huge influence for granulator 200.
Therefore, the frequency converter is additionally arranged, the frequency converter is used for monitoring the current change of the screw motor and transmitting a signal to the control module 180, the control module 180 can compare the current value of the screw motor with a set value, when the current value of the screw motor exceeds the set value, the control module 180 controls the roll material motor 120 to greatly decelerate or directly stop rotating, the material consumption of the feeding screw is reduced, the overload phenomenon is prevented, and the whole circuit is protected.
It should be understood that the material recycling speed of the pelletizer 200 is generally adjusted according to the discharging speed of the film production line, and only when the feeding screw of the pelletizer 200 is too far too fed to cause an overload, the pelletizer 200 will control the material rolling motor 120 to decelerate greatly or stop rotating directly through the control module 180, so as to protect the whole circuit.
The pelletizer 200 according to an embodiment of the present invention is described in detail below in a specific embodiment with reference to fig. 1 to 5, it being understood that the following description is illustrative only and not a specific limitation of the present invention.
The pelletizer 200 according to the embodiment of the present invention includes the recycling device 100, a screw motor, a feeding screw, and a frequency converter.
The recycling apparatus 100 includes a main body 110, a roll motor 120, a driving roller 130, a driven roller 140, a feeding duct 150, and a control module 180. For example, as shown in fig. 2 and 3, a receiving cavity is formed in the main body 110, both ends of the driving roller 130 and the driven roller 140 are connected to the side walls of the main body 110, the main body is located in the receiving cavity of the main body 110, guide grooves 111 are formed in both side walls of the main body 110, both ends of the driven roller 140 are embedded in the guide grooves 111, and the traction plate 160 can pull the driven roller 140 to move in the guide grooves 111. The coil motor 120 is used to drive the driving roller 130 to rotate, and the driving roller 130 rotates to drive the driven roller 140 to rotate together. The driving roller 130 and the driven roller 140 are respectively provided with a plurality of corresponding matched pressing protrusions 131, and pressing grooves 132 are formed between adjacent pressing protrusions 131. When the recycling device 100 is in operation, the nip protrusions 131 of the driving roller 130 are inserted between the nip grooves 132 of the driven roller 140, and the nip protrusions 131 of the driven roller 140 are inserted between the nip grooves 132 of the driving roller 130, so that the materials are conveyed by means of the engagement, as shown in fig. 2 and 4. The control module 180 is electrically or wirelessly connected to the coil motor 120, and can control the rotation speed of the coil motor 120. The control module 180 is electrically or wirelessly connected to the film production line and can receive the discharge speed signal transmitted by the film production line.
For example, as shown in fig. 1 and 3, the feeding pipe 150 is in a horn shape, one end of the small opening is fixedly connected with the main body 110 of the material coiling device, and the material can be pulled between the driving roller 130 and the driven roller 140 through the large opening of the feeding pipe 150, so as to be recycled by the recycling device 100.
The recycling device 100 is further provided with a touch screen 190, the touch screen 190 is electrically or wirelessly connected with the control module 180, and the touch screen 190 is used for inputting set parameters.
The materials are transported by the recycling device 100 and enter the granulator 200, the granulator 200 melts and recycles the materials, the materials are pushed by the feeding screw, and the frequency converter monitors the current change of the screw motor and transmits signals to the control module 180.
The pelletizer 200 according to the embodiment of the present invention has at least the following advantages: the material is conveyed by mutually matching and meshing the driving roller 130 and the driven roller 140 of the recovery device 100, meanwhile, the control module 180 is electrically or wirelessly connected with the film production line and can receive a discharging speed signal transmitted by the film production line, and the control module 180 adjusts the rotating speed of the coil motor 120 according to the discharging speed of the film production line, so that the material recovery speed of the recovery device 100 can be adapted to the discharging speed of the film production line, and the situation that an operator needs to pull the material between the driving roller 130 and the driven roller 140 again due to the fact that the recovery speed of the recovery device 100 is too high because the discharging speed of the film production line is low and the operator needs to pull the material again is avoided; or the film production line has too fast discharge speed and the recycling device 100 has slow recycling speed, so that a large amount of materials cannot enter the granulator 200 in time. Through making recovery unit 100 and film production line produce the linkage for the speed of recovery unit 100's recovery material suits with the ejection of compact speed of film production line, can stabilize the recovery material, guarantees the recovery quality. And the frequency converter can monitor the current change of the screw motor, and when the feeding screw has too much material, the control module 180 controls the roll material motor 120 to reduce the rotating speed or stop rotating to protect the circuit from overload.
The following provides a control method for a pelletizer, where the pelletizer includes the recycling apparatus 100 according to the first aspect, and the control method for the pelletizer includes at least the following steps:
the film production line transmits a discharging speed signal;
the control module 180 receives a discharge speed signal transmitted by the film production line;
the control module 180 adjusts the rotational speed of the coil motor 120 such that the material recycling speed of the recycling apparatus 100 matches the film production line discharge speed.
Furthermore, the granulator comprises a feeding screw, a screw motor and a frequency converter, wherein the screw motor drives the feeding screw to rotate, and the frequency converter is used for monitoring the current change of the screw motor and transmitting a signal to the control module 180. The granulator control method further comprises the following steps:
monitoring the current change of the screw motor through a frequency converter and transmitting the current value of the screw motor to the control module 180;
the control module 180 compares the current value of the screw motor with a set value;
when the current value is greater than the set value, the control module 180 controls the roll motor 120 to decelerate or stop working.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A recovery device is characterized by comprising a main body part, a coiling motor, a driving roller, a driven roller and a control module, wherein two ends of the driving roller and two ends of the driven roller are rotatably connected to the main body part; the driving roller and the driven roller are matched with each other to bite materials for conveying; the control module is electrically or wirelessly connected with the coil motor, and the control module is electrically or wirelessly connected with the film production line and can receive the discharge speed signal transmitted by the film production line.
2. The recycling device according to claim 1, further comprising a feed pipe, wherein the feed pipe is trumpet-shaped, and one end of a small opening of the feed pipe is fixedly connected with the main body; the material is drawn between the drive roll and the driven roll through the feed conduit.
3. The recycling device according to claim 1, wherein a plurality of material pressing bulges which are correspondingly matched are arranged on the driving roller and the driven roller, and material pressing grooves are formed between every two adjacent material pressing bulges; the driving roller and the driven roller are matched with each other through the material pressing protrusion and the material pressing groove to bite the materials for conveying.
4. The recycling device according to claim 1, further comprising an air cylinder and a traction plate, wherein the traction plate is connected with the driven roller, and the air cylinder can drive the traction plate to pull the driven roller to be separated from the driving roller.
5. The recycling apparatus according to claim 4, wherein guide grooves are formed on both side walls of the main body, both ends of the driven roller are embedded in the guide grooves, and the traction plate pulls the driven roller to move in the guide grooves.
6. The recycling device according to claim 1, further comprising a touch screen, wherein the touch screen is electrically or wirelessly connected to the control module, and the touch screen is used for inputting set parameters.
7. A granulator, characterized in that it comprises a recovery device according to any one of claims 1 to 6.
8. The pelletizer as set forth in claim 7, further comprising a feed screw, a screw motor for driving said feed screw to rotate, and a frequency converter for monitoring changes in current to said screw motor and transmitting signals to said control module.
9. A granulator control method, characterized in that it comprises a recovery device according to any of the claims from 1 to 6, comprising the following steps:
the film production line transmits a discharging speed signal;
the control module receives a discharging speed signal transmitted by the film production line;
and the control module adjusts the rotating speed of the coil motor to enable the material recovery speed of the recovery device to be matched with the discharge speed of the film production line.
10. The pelletizer control method as set forth in claim 9, wherein the pelletizer further includes a feed screw, a screw motor and a frequency converter, the screw motor drives the feed screw to rotate, the frequency converter is used for monitoring the current change of the screw motor and transmitting a signal to the control module; the granulator control method further comprises the following steps:
monitoring the current change of the screw motor through the frequency converter and transmitting the current value of the screw motor to the control module;
the control module compares the current value of the screw motor with a set value;
and when the current value is larger than a set value, the control module controls the coiling motor to decelerate or stop working.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010621510.6A CN111941680A (en) | 2020-06-30 | 2020-06-30 | Recovery device, granulator and granulator control method |
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| CN202010621510.6A CN111941680A (en) | 2020-06-30 | 2020-06-30 | Recovery device, granulator and granulator control method |
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| JP2012131208A (en) * | 2010-12-24 | 2012-07-12 | Nippon Zeon Co Ltd | Apparatus for cutting and recovering film edge, method for manufacturing lengthy optical film, and method for manufacturing film edge roll |
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