CN114161695B - Extrusion mechanism for plastic film blowing machine - Google Patents
Extrusion mechanism for plastic film blowing machine Download PDFInfo
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- CN114161695B CN114161695B CN202111483589.1A CN202111483589A CN114161695B CN 114161695 B CN114161695 B CN 114161695B CN 202111483589 A CN202111483589 A CN 202111483589A CN 114161695 B CN114161695 B CN 114161695B
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- side wall
- adjusting
- feeding
- guide seat
- guide box
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Classifications
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- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
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- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an extrusion mechanism for a plastic film blowing machine, which relates to the field of film processing, and comprises a base and a mounting frame, and further comprises: the feeding control mechanism comprises a pretreatment component; the pretreatment component comprises an adjustment guide box, an adjustment centrifugal cylinder, a rotation driving component and an adjustment component, wherein the installation frame is fixedly installed on the base, and the pretreatment component is installed on the installation frame.
Description
Technical Field
The invention relates to the field of film processing, in particular to an extrusion mechanism for a plastic film blowing machine.
Background
Plastic films are widely applied in industry and agriculture, and are generally produced by a film blowing machine, wherein plastic particles are firstly melted in the film blowing machine, then fed and extruded by a screw, and a corresponding molding blowing mechanism is matched for blowing out and molding the molten plastic raw materials.
The extrusion mechanism of traditional plastic film inflation film manufacturing machine when using, can not carry out preliminary treatment to the plastic raw materials, and the melting time of plastic raw materials is longer, influences production efficiency, and traditional extrusion mechanism lacks the control mechanism that controls the plastic raw materials feed amount simultaneously, and the regulating ability of whole device is relatively poor.
Disclosure of Invention
The invention aims to provide an extrusion mechanism for a plastic film blowing machine, which aims to solve the problems of lower production efficiency and poor adjustment capability of the extrusion mechanism for the traditional plastic film blowing machine.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a plastic film inflation film manufacturing machine extrusion mechanism, includes base and mounting bracket, still includes:
the device comprises a feeding control mechanism and a feeding mechanism, wherein the feeding control mechanism comprises a pretreatment component;
the pretreatment component comprises an adjusting guide box, an adjusting centrifugal cylinder, a rotation driving component and an adjusting assembly, wherein the mounting frame is fixedly mounted on a base, the pretreatment component is mounted on the mounting frame, the adjusting guide box is fixedly mounted on the side wall of the mounting frame, a rotation guide seat which is rotationally connected with the adjusting guide box is arranged on the side wall of the adjusting guide box, one end of the rotation guide seat is rotationally connected with one end of the pretreatment component, one end of the adjusting centrifugal cylinder is slidably mounted on the side wall of the rotation guide seat, one end side wall of the adjusting centrifugal cylinder is in sliding contact with the side wall of the adjusting guide box, a plurality of centrifugal discharge ports are formed in the adjusting centrifugal cylinder, a sliding ring which is slidably connected with the adjusting guide box is arranged on the side wall of the adjusting guide box, a plurality of elastic elements are connected with the sliding ring, a mounting partition plate which is fixedly connected with the adjusting centrifugal cylinder is arranged on the side wall of the adjusting guide box, a plane bearing is arranged between the side wall of the mounting partition plate and the side wall of the sliding ring, the rotation driving component is used for driving the rotation guide seat to rotate on the inner side wall of the adjusting guide box, and the adjusting centrifugal cylinder is used for driving the adjusting guide seat to rotate on the side wall of the adjusting guide seat, and one end of the feeding mechanism is connected with the adjusting guide seat;
the rotary driving component comprises a driving shaft and a first rotary driving piece, the first rotary driving piece is arranged on the base, the driving shaft is rotatably arranged on the mounting frame, a second connecting element is arranged between one end part of the driving shaft and the output end of the first rotary driving piece and is connected with the first connecting element, an inclined tooth ring fixedly connected with the side wall of one end part of the rotary guide seat is arranged on the side wall of one end part of the rotary guide seat, and a bevel gear meshed with the inclined tooth ring is arranged on one end part of the driving shaft;
the pretreatment component is used for carrying out pre-melting treatment on plastic particles, and the feeding mechanism is used for continuously heating and extruding plastic raw materials discharged from the regulating guide box.
In one alternative: the adjusting component comprises an air pressure adjusting element, a plurality of air connecting valves are arranged on the adjusting guide box, and one ends of the air connecting valves are respectively connected with the output end of the air pressure adjusting element through air guide pipes.
In one alternative: the feeding mechanism comprises a feeding screw and a feeding barrel, an outer shell fixedly connected with the feeding screw is arranged on the feeding barrel, a plurality of heating elements are arranged between the inner side wall of the outer shell and the outer side wall of the feeding barrel, a temperature control element is arranged on a base, the heating elements are connected with the temperature control element, a second rotary driving piece is arranged on the base, the feeding screw is rotatably arranged on the feeding barrel, the circumferential side wall of the feeding screw is contacted with the inner side wall of the feeding barrel, a first connecting element is arranged between one end of the feeding screw and the output end of the second rotary driving piece, and one end of the adjusting guide box is connected with an inner cavity of one end of the feeding barrel.
In one alternative: the pretreatment component comprises a melting box and a heating device, wherein the melting box is fixedly arranged on a mounting frame, a feeding port for feeding is formed in the melting box, the heating device comprises a heating plate fixedly arranged on the inner side wall of the melting box, the heating plate is connected with a temperature control element through an electric signal, a heat insulation layer fixedly connected with the heating plate is further arranged on the outer side wall of the melting box, one end of the melting box is rotationally connected with one end of a rotary guide seat, a bushing plate fixedly connected with the end of the melting box is arranged on the inner side wall of one end of the melting box, and a stirring component for stirring and mixing plastic raw materials is further arranged on the melting box.
In one alternative: the stirring component comprises a third rotation driving piece, the third rotation driving piece is fixedly arranged on the mounting frame, a stirring rotating shaft which is connected with the third rotation driving piece in a rotating mode is arranged on the melting box, one end portion of the stirring rotating shaft is connected with the output end of the third rotation driving piece, a plurality of stirring rods which are fixedly connected with the third rotation driving piece are arranged on the third rotation driving piece, an emulsifying plate which is fixedly connected with the stirring rods is arranged on one end portion of the stirring rods, a plurality of temperature detectors are arranged on the emulsifying plate, a plurality of connecting rods which are fixedly connected with the emulsifying plate are arranged on one end portion of the stirring rotating shaft, a scraping plate which is fixedly connected with the stirring rotating shaft is arranged on one end portion of the connecting rod, and the side wall of the scraping plate is in contact with the inner side wall of the bottom end portion of the melting box.
In one alternative: one end of the feeding cylinder is provided with a connector fixedly connected with the feeding cylinder.
In one alternative: the inner side wall of the melting tank is provided with a temperature detector for monitoring the temperature in the melting tank.
Compared with the prior art, the invention has the following beneficial effects:
when the whole device works, firstly, plastic particles are put into a pretreatment component, the pretreatment component heats and melts the plastic particles, the heated and melted plastic particles are discharged into an adjusting centrifugal cylinder at one end of a rotary guide seat from the bottom of the rotary guide seat, a first rotary driving piece starts to work and drives a driving shaft to rotate through a second connecting element, when the driving shaft rotates, the rotary guide seat and the adjusting centrifugal cylinder on the rotary guide seat are driven to rotate through the meshing of a bevel gear and a bevel gear, and simultaneously rotate on the inner side wall of the adjusting guide seat, when the adjusting centrifugal cylinder rotates at a high speed, the plastic raw materials in a molten state in the rotary guide seat are centrifugally discharged from a plurality of centrifugal discharge holes on the rotary guide seat, the discharged plastic raw materials are led into the feeding mechanism from the bottom of the adjusting guide seat, the feeding mechanism starts to work, the plastic raw materials discharged from the adjusting guide seat are continuously heated, meanwhile, the adjusting assembly starts to work and drives the adjusting centrifugal cylinder to slide on the inner side wall of the rotary guide seat when the raw material discharge amount of the adjusting guide seat is required to be adjusted, the quantity of the inner side wall of the adjusting guide seat slides on the inner side wall of the adjusting centrifugal cylinder is reduced, and the quantity of the inner side wall of the adjusting centrifugal cylinder is enabled to slide on the inner side wall of the adjusting centrifugal cylinder when the inner side wall of the centrifugal cylinder is driven to be discharged by the adjusting centrifugal cylinder, and the quantity of the inner side of the adjusting centrifugal cylinder is enabled to slide on the inner side wall of the side of the adjusting cylinder, and the inner side of the centrifugal cylinder is discharged by the adjusting material is discharged when the inner side of the material is arranged, and is discharged, and is continuously, and the material is continuously is discharged, and is continuously. Thereby increasing and adjusting the supply quantity of the plastic raw materials in the material guide box to the feeding mechanism in the process of adjusting the rotation of the centrifugal cylinder along with the rotary guide seat.
In the using process, the plastic raw material can be preheated and melted, so that the feeding production efficiency of the whole device is effectively accelerated, and meanwhile, the plastic raw material feeding device is provided with the adjusting and regulating assembly for controlling the feeding amount of the plastic raw material, so that the feeding amount of the plastic raw material can be regulated in real time according to the actual production condition in the feeding and extrusion process of the plastic raw material, and compared with the traditional film blowing and extruding mechanism, the plastic raw material feeding device is better in applicability.
Drawings
FIG. 1 is a schematic diagram of the overall structure in one embodiment of the invention.
Fig. 2 is an enlarged schematic view of the structure a in fig. 1 according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of the structure B in fig. 1 according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a conditioning centrifuge bowl in one embodiment of the invention.
Reference numerals annotate: base 1, mounting bracket 2, adjust guide box 3, melt case 4, drive shaft 5, helical gear 6, first rotation driving piece 7, pneumatic adjustment element 8, air duct 9, feeding screw 10, second rotation driving piece 11, first connecting piece 12, second connecting piece 13, shell 14, feeding cylinder 15, heating element 16, temperature control element 17, connector 18, third rotation driving piece 19, stirring pivot 20, heat preservation insulating layer 21, bushing 22, adjust centrifugal cylinder 23, install baffle 24, slip ring 25, elastic element 26, gas connection valve 27, rotation guide 28, helical gear 29, puddler 30, emulsifying plate 31, temperature detector 32, connecting rod 33, scraper 34, heating plate 35, centrifugal discharge port 36, plane bearing 38.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples; in the drawings or description, similar or identical parts are provided with the same reference numerals, and in practical applications, the shape, thickness or height of each part may be enlarged or reduced. The examples set forth herein are intended to be illustrative of the invention and are not intended to limit the scope of the invention. Any obvious modifications or alterations to the invention, as would be apparent, are made without departing from the spirit and scope of the present invention.
In one embodiment, as shown in fig. 1, 2 and 4, the extrusion mechanism for a plastic film blowing machine provided by the invention comprises a base 1 and a mounting frame 2, and further comprises:
the device comprises a feeding control mechanism and a feeding mechanism, wherein the feeding control mechanism comprises a pretreatment component;
the pretreatment component comprises an adjusting guide box 3, an adjusting centrifugal cylinder 23, a rotation driving component and an adjusting component, wherein the mounting frame 2 is fixedly arranged on the base 1, the pretreatment component is arranged on the mounting frame 2, the adjusting guide box 3 is fixedly arranged on the side wall of the mounting frame 2, a rotation guide seat 28 which is rotationally connected with the inner side wall of the adjusting guide box 3 is arranged on the side wall of the adjusting guide box 3, one end part of the rotation guide seat 28 is rotationally connected with one end part of the pretreatment component, one end part of the adjusting centrifugal cylinder 23 is slidably arranged on the side wall of the rotation guide seat 28, one end part side wall of the adjusting centrifugal cylinder 23 is slidably contacted with the inner side wall of the adjusting guide box 3, a plurality of centrifugal discharge openings 36 are arranged on the adjusting centrifugal cylinder 23, a sliding ring 25 which is slidably connected with the adjusting guide box 3 is arranged on the inner side wall of the adjusting centrifugal cylinder 3, a plurality of elastic elements 26 are arranged between the sliding ring 25 and the inner side wall of the adjusting guide box 3, a mounting partition plate 24 which is fixedly connected with the adjusting centrifugal cylinder 23 is arranged on the side wall, a plane partition plate 38 is arranged between the side wall of the mounting partition plate 24 and the side wall of the sliding ring 25 and the side wall of the adjusting guide seat, and the plane guide seat is used for driving the rotating component is connected with the inner side wall of the adjusting guide box 3, and the side wall of the adjusting guide seat is rotatably arranged on the side wall of the adjusting guide seat 3, and the side wall is rotatably connected with one end part of the feeding component, which is rotatably arranged on the side wall of the adjusting guide seat 3, and is rotatably arranged on the side wall base 1;
the rotary driving component comprises a driving shaft 5 and a first rotary driving piece 7, the first rotary driving piece 7 is arranged on the base 1, the driving shaft 5 is rotatably arranged on the mounting frame 2, a second connecting element 13 is arranged between one end part of the driving shaft 5 and the output end of the first rotary driving piece 7, an oblique gear ring 29 fixedly connected with the first connecting element is arranged on the side wall of one end part of the rotary guide seat 28, and an oblique gear 6 meshed with the oblique gear ring 29 is arranged on one end part of the driving shaft 5;
the pretreatment component is used for carrying out pre-melting treatment on plastic particles, and the feeding mechanism is used for continuously heating and extruding the plastic raw materials discharged from the regulating guide box 3;
when the whole device works, firstly, plastic particles are put into a pretreatment component, the pretreatment component heats and melts the plastic particles, the heated and melted plastic particles are discharged into an adjusting centrifugal cylinder 23 at one end of a rotating guide seat 28 from one end of the rotating guide seat 28, a first rotating driving piece 7 starts to work and drives a driving shaft 5 to rotate through a second connecting element 13, when the driving shaft 5 rotates, the rotating guide seat 28 and the adjusting centrifugal cylinder 23 on the rotating guide seat 28 are driven to rotate through the meshing of a bevel gear 6 and a bevel gear 29, simultaneously, the inner side wall of an adjusting guide box 3 rotates, when the adjusting centrifugal cylinder 23 rotates at a high speed, molten plastic raw materials in the rotating guide seat 28 are centrifugally discharged from a plurality of centrifugal discharge ports 36 on the rotating guide seat 28, and the discharged plastic raw materials are led into a feeding mechanism from the bottom of the adjusting guide box 3, the feeding mechanism starts to work and continuously heats the plastic raw materials discharged by the regulating guide box 3, meanwhile, the plastic raw materials are extruded and discharged, when the discharge amount of the plastic raw materials of the regulating guide box 3 needs to be regulated, the regulating assembly starts to work and drives the regulating centrifugal cylinder 23 to slide on the inner side wall of the rotary guide seat 28, at the moment, part of a plurality of centrifugal discharge ports 36 used for discharging the plastic raw materials on one end part of the regulating centrifugal cylinder 23 is blocked by the inner side wall of the regulating guide box 3, so that the number of the centrifugal discharge ports 36 capable of discharging the plastic raw materials is reduced, the supply amount of the plastic raw materials to the feeding mechanism is reduced, when the regulating assembly drives the regulating centrifugal cylinder 23 to slide downwards on the inner side wall of the rotary guide seat 28, at the moment, the number of the centrifugal discharge ports 36 capable of discharging the plastic raw materials on one end part of the regulating centrifugal cylinder 23 is increased, thereby increasing and adjusting the supply quantity of the plastic raw material in the material guiding box 3 to the feeding mechanism in the process of adjusting the rotation of the centrifugal cylinder 23 along with the rotation of the rotation guide seat 28;
in one embodiment, as shown in fig. 1 and 2, the adjusting assembly includes a gas pressure adjusting element 8, the adjusting guide box 3 is provided with a plurality of gas connection valves 27, and one ends of the plurality of gas connection valves 27 are respectively connected with the output end of the gas pressure adjusting element 8 through gas guide pipes 9;
in the embodiment of the invention, the side wall of the adjusting centrifugal cylinder 23 is connected with the side wall of the mounting partition board 24 through the plane bearing 38, so that a relatively closed cavity is formed among the side wall of the adjusting centrifugal cylinder 23, the side wall of the adjusting guide box 3 and the side wall of the mounting partition board 24, the air pressure in the cavity is changed through the air duct 9 and the air connecting valve 27 when the air pressure adjusting element 8 works, and meanwhile, the air pressure adjusting element 8 drives the sliding ring 25 to slide on the side wall of the adjusting guide box 3 in the process of matching and adjusting with the elastic element 26, thereby driving the adjusting centrifugal cylinder 23 to slide on the rotating guide seat 28 and the side wall of the adjusting guide box 3, and further adjusting the plastic raw material discharge amount of the adjusting centrifugal cylinder 23;
the elastic element 26 may be provided as a coil spring or as a pneumatic spring or the like, which in the present embodiment is preferred;
in one embodiment, as shown in fig. 1, the feeding mechanism includes a feeding screw 10 and a feeding barrel 15, an outer casing 14 fixedly connected with the feeding barrel 15 is provided on the feeding barrel 15, a plurality of heating elements 16 are provided between the inner side wall of the outer casing 14 and the outer side wall of the feeding barrel 15, a temperature control element 17 is provided on the base 1, a plurality of heating elements 16 are connected with the temperature control element 17, a second rotation driving member 11 is installed on the base 1, the feeding screw 10 is rotatably installed on the feeding barrel 15, the circumferential side wall of the feeding screw 10 contacts with the inner side wall of the feeding barrel 15, a first connecting element 12 is provided between one end of the feeding screw 10 and the output end of the second rotation driving member 11, and one end of the adjusting guide box 3 is connected with an end inner cavity of the feeding barrel 15;
in the embodiment of the invention, when extrusion feeding is performed, the second rotary driving piece 11 works and drives the feeding screw 10 to rotate through the first connecting element 12, molten plastic materials in the material guiding box 3 are adjusted to be discharged from one end part of the feeding barrel 15, the plastic materials are driven to be discharged to the other end part of the feeding barrel 15 in the rotating process of the feeding screw 10, and meanwhile, the temperature control element 17 controls the plurality of heating elements 16 to continuously heat the materials in the feeding barrel 15, so that the fluidity of the plastic materials is effectively ensured;
in one embodiment, as shown in fig. 1 and 3, the pretreatment member includes a melting tank 4 and a heating device, the melting tank 4 is fixedly mounted on the mounting frame 2, a feeding port (not shown in the drawing) for feeding is provided on the melting tank 4, the heating device includes a heating plate 35 fixedly mounted on an inner side wall of the melting tank 4, the heating plate 35 is connected with the temperature control element 17 through an electrical signal, a heat insulation layer 21 fixedly connected with the heating plate is further provided on an outer side wall of the melting tank 4, one end of the melting tank 4 is rotatably connected with one end of the rotary guide seat 28, a bushing 22 fixedly connected with the one end of the melting tank 4 is provided on an inner side wall of the melting tank 4, and a stirring member for stirring and mixing plastic raw materials is further provided on the melting tank 4;
in the embodiment of the invention, when the whole device is used, firstly, materials are thrown from a feeding port, the temperature control element 17 controls the heating plate 35 to heat and melt the raw materials in the melting tank 4, meanwhile, the stirring member is started to start working, the stirring member stirs the materials in the melting tank 4, so that the melting speed of the materials is accelerated, the heat preservation and insulation layer 21 can effectively prevent the heat loss in the melting tank 4, and the melted materials are downwards discharged from the bushing 22 to the regulating centrifugal cylinder 23;
in one embodiment, as shown in fig. 1 and 3, the stirring member includes a third rotation driving element 19, the third rotation driving element 19 is fixedly installed on the installation frame 2, the melting tank 4 is provided with a stirring rotating shaft 20 rotationally connected with the third rotation driving element, one end of the stirring rotating shaft 20 is connected with an output end of the third rotation driving element 19, the third rotation driving element 19 is provided with a plurality of stirring rods 30 fixedly connected with the third rotation driving element, one end of the stirring rod 30 is provided with an emulsifying plate 31 fixedly connected with the stirring rod 30, the emulsifying plate 31 is provided with a plurality of temperature detectors 32, one end of the stirring rotating shaft 20 is provided with a plurality of connecting rods 33 fixedly connected with the stirring rotating shaft, one end of the connecting rods 33 is provided with a scraper 34 fixedly connected with the stirring rotating shaft, and a side wall of the scraper 34 contacts with an inner side wall of a bottom end of the melting tank 4;
in the embodiment of the invention, the third rotary driving piece 19 works to drive the stirring rotating shaft 20 to rotate, the stirring rotating shaft 20 rotates to drive the stirring rods 30 and the connecting rods 33 to rotate, the plurality of connecting rods 33 stir the plastic raw materials in the melting tank 4 in the rotating process, so that the plastic raw materials are heated uniformly and the melting speed of the plastic raw materials is increased, the plurality of connecting rods 33 drive the scraping plates 34 to scrape the side wall of the end part of the melting tank 4, and the plastic raw materials in a molten state are accelerated to be discharged from the bushing 22 to the adjusting guide tank 3;
the third rotary driving member 19, the first rotary driving member 7, and the second rotary driving member 11 may be configured as an electric servo motor or a pneumatic motor, and are preferably configured as servo motors in the present embodiment;
the second connecting element 13 and the first connecting element 12 may be provided as a sprocket assembly or a pulley assembly, etc., and in this embodiment are preferably provided as a pulley assembly;
in one embodiment, as shown in fig. 1, a connector 18 is fixedly connected to one end of the feeding cylinder 15;
in the embodiment of the invention, the feeding screw 10 rotates and extrudes molten plastic raw materials from one end of the feeding barrel 15, and one end of the feeding barrel 15 is connected with an external forming mechanism through a connector 18;
in one embodiment, as shown in fig. 1, a temperature detector 32 for monitoring the temperature in the melting tank 4 is disposed on the inner side wall of the melting tank 4;
in the embodiment of the present invention, plastic particles are put into the melting tank 4, heated and melted by the heating plate 35, and the temperature detector 32 monitors the heating temperature in the melting tank 4 in real time.
The specific working mode of the invention is as follows:
when the whole device works, firstly, materials are thrown into a feeding port, a temperature control element 17 controls a heating plate 35 to heat and melt raw materials in a melting tank 4, a third rotary driving piece 19 starts to work and drives a plurality of emulsifying plates 31 to move to stir the materials in the melting tank 4, so that the melting speed of the materials is accelerated, a heat preservation and insulation layer 21 can effectively prevent heat loss in the melting tank 4, the melted materials are downwards discharged into an adjusting centrifugal cylinder 23 from a bushing 22, at the moment, the first rotary driving piece 7 starts to work and drives a driving shaft 5 to rotate through a second connecting element 13, when the driving shaft 5 rotates, a rotary guide seat 28 and an adjusting centrifugal cylinder 23 on the rotary guide seat 28 are driven to rotate on the inner side wall of the adjusting centrifugal cylinder 3 through the meshing of a bevel gear 6 and a bevel gear 29, and when the adjusting centrifugal cylinder 23 rotates at a high speed, the molten plastic raw materials in the rotary guide seat 28 are centrifugally discharged from a plurality of centrifugal discharge ports 36 on the rotary guide seat 28, and the discharged plastic raw materials are led into an inner cavity at one end part of a feeding cylinder 15 from the bottom of the adjusting centrifugal guide cylinder 3;
the second rotary driving piece 11 works and drives the feeding screw 10 to rotate through the first connecting element 12, molten plastic materials in the material guiding box 3 are adjusted to be discharged from one end of the feeding cylinder 15, the plastic materials are driven to be discharged to the other end of the feeding cylinder 15 in the rotating process of the feeding screw 10, and meanwhile the temperature control element 17 controls the heating elements 16 to continuously heat the materials in the feeding cylinder 15, so that the fluidity of the plastic materials is effectively ensured;
the side wall of the adjusting centrifugal cylinder 23 is connected with the side wall of the mounting partition board 24 through a plane bearing 38, so that a relatively closed cavity is formed among the side wall of the adjusting centrifugal cylinder 23, the side wall of the adjusting guide box 3 and the side wall of the mounting partition board 24, the air pressure in the cavity is changed through the air duct 9 and the air connecting valve 27 when the air pressure adjusting element 8 works, and meanwhile, the air pressure adjusting element 8 drives the sliding ring 25 to slide on the side wall of the adjusting guide box 3 in the process of matching and adjusting with the elastic element 26, so that the adjusting centrifugal cylinder 23 is driven to slide on the rotating guide seat 28 and the side wall of the adjusting guide box 3, and the plastic raw material discharge amount of the adjusting centrifugal cylinder 23 is adjusted;
when the plastic raw material discharge amount of the adjusting guide box 3 needs to be adjusted, the adjusting component starts to work and drives the adjusting centrifugal cylinder 23 to slide on the inner side wall of the rotating guide seat 28, at the moment, a part of a plurality of centrifugal discharge ports 36 used for discharging plastic raw materials on one end part of the adjusting centrifugal cylinder 23 is blocked by the inner side wall of the adjusting guide box 3, so that the quantity of the centrifugal discharge ports 36 capable of discharging plastic raw materials is reduced, and further, the supply amount of the plastic raw materials to the feeding mechanism is reduced.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a plastic film inflation film manufacturing machine extrusion device, includes base and mounting bracket, characterized in that still includes:
the device comprises a feeding control mechanism and a feeding mechanism, wherein the feeding control mechanism comprises a pretreatment component;
the pretreatment component comprises an adjusting guide box, an adjusting centrifugal cylinder, a rotation driving component and an adjusting assembly, wherein the mounting frame is fixedly mounted on a base, the pretreatment component is mounted on the mounting frame, the adjusting guide box is fixedly mounted on the side wall of the mounting frame, a rotation guide seat which is rotationally connected with the adjusting guide box is arranged on the side wall of the adjusting guide box, one end of the rotation guide seat is rotationally connected with one end of the pretreatment component, one end of the adjusting centrifugal cylinder is slidably mounted on the side wall of the rotation guide seat, one end side wall of the adjusting centrifugal cylinder is in sliding contact with the side wall of the adjusting guide box, a plurality of centrifugal discharge ports are formed in the adjusting centrifugal cylinder, a sliding ring which is slidably connected with the adjusting guide box is arranged on the side wall of the adjusting guide box, a plurality of elastic elements are connected with the sliding ring, a mounting partition plate which is fixedly connected with the adjusting centrifugal cylinder is arranged on the side wall of the adjusting guide box, a plane bearing is arranged between the side wall of the mounting partition plate and the side wall of the sliding ring, the rotation driving component is used for driving the rotation guide seat to rotate on the inner side wall of the adjusting guide box, and the adjusting centrifugal cylinder is used for driving the adjusting guide seat to rotate on the side wall of the adjusting guide seat, and one end of the feeding mechanism is connected with the adjusting guide seat;
the rotary driving component comprises a driving shaft and a first rotary driving piece, the first rotary driving piece is arranged on the base, the driving shaft is rotatably arranged on the mounting frame, a second connecting element is arranged between one end part of the driving shaft and the output end of the first rotary driving piece and is connected with the first connecting element, an inclined tooth ring fixedly connected with the side wall of one end part of the rotary guide seat is arranged on the side wall of one end part of the rotary guide seat, and a bevel gear meshed with the inclined tooth ring is arranged on one end part of the driving shaft;
the pretreatment component is used for carrying out pre-melting treatment on plastic particles, and the feeding mechanism is used for continuously heating and extruding plastic raw materials discharged from the regulating guide box.
2. The extrusion mechanism for plastic film blowing machine according to claim 1, wherein the regulating assembly comprises an air pressure regulating element, a plurality of air connecting valves are arranged on the regulating guide box, and one ends of the air connecting valves are respectively connected with the output end of the air pressure regulating element through air ducts.
3. The extrusion mechanism for plastic film blowing machine according to claim 2, wherein the feeding mechanism comprises a feeding screw and a feeding barrel, an outer shell fixedly connected with the feeding barrel is arranged on the feeding barrel, a plurality of heating elements are arranged between the inner side wall of the outer shell and the outer side wall of the feeding barrel, a temperature control element is arranged on the base, a plurality of heating elements are connected with the temperature control element, a second rotary driving piece is arranged on the base, the feeding screw is rotatably arranged on the feeding barrel, the circumferential side wall of the feeding screw is contacted with the inner side wall of the feeding barrel, a first connecting element is arranged between one end of the feeding screw and the output end of the second rotary driving piece, and one end of the adjusting guide box is connected with an inner cavity of one end of the feeding barrel.
4. The extrusion mechanism for plastic film blowing machine according to claim 1, wherein the pretreatment member comprises a melting tank and a heating device, the melting tank is fixedly mounted on the mounting frame, a feeding port for feeding is formed in the melting tank, the heating device comprises a heating plate fixedly mounted on the inner side wall of the melting tank, the heating plate is connected with the temperature control element through an electric signal, a heat insulation layer fixedly connected with the heating plate is further arranged on the outer side wall of the melting tank, one end of the melting tank is rotatably connected with one end of the rotary guide seat, a bushing fixedly connected with the bushing is arranged on the inner side wall of one end of the melting tank, and a stirring member for stirring and mixing plastic raw materials is further arranged on the melting tank.
5. The extrusion mechanism for plastic film blowing machine according to claim 4, wherein the stirring member comprises a third rotation driving member, the third rotation driving member is fixedly mounted on the mounting frame, a stirring rotating shaft in rotational connection with the third rotation driving member is provided on the melting box, one end of the stirring rotating shaft is connected with the output end of the third rotation driving member, a plurality of stirring rods in fixed connection with the third rotation driving member are provided on the third rotation driving member, an emulsifying plate in fixed connection with the stirring rod is provided on one end of the stirring rod, a plurality of temperature detectors are provided on the emulsifying plate, a plurality of connecting rods in fixed connection with the stirring rotating shaft are provided on one end of the stirring rotating shaft, a scraping plate in fixed connection with the connecting rods is provided on one end of the connecting rods, and the side wall of the scraping plate contacts with the inner side wall of the bottom end of the melting box.
6. The extrusion press of claim 3, wherein a connector is fixedly connected to one end of the feed cylinder.
7. The extrusion press for plastic film blowing machine as set forth in claim 4, wherein a temperature detector for monitoring the temperature in the melting tank is provided on the inner side wall of the melting tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111483589.1A CN114161695B (en) | 2021-12-07 | 2021-12-07 | Extrusion mechanism for plastic film blowing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111483589.1A CN114161695B (en) | 2021-12-07 | 2021-12-07 | Extrusion mechanism for plastic film blowing machine |
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| CN114161695B true CN114161695B (en) | 2023-07-21 |
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| US7806674B2 (en) * | 2004-09-01 | 2010-10-05 | Windmoeller & Hoelscher Kg | Air ring for controlling blown film thickness provided with individual heat conducting segments |
| AT512170B1 (en) * | 2012-02-28 | 2013-06-15 | Bsw Machinery Handels Gmbh | Device for feeding granules and filling material to an extruder screw of an extruder |
| CN208247446U (en) * | 2018-05-31 | 2018-12-18 | 韩毅忠 | A kind of filter device of inflation film manufacturing machine |
| DE102019001423B4 (en) * | 2019-02-11 | 2022-05-25 | Kastriot Merlaku | Device that can solidify an object made of playdough or modeling clay by coating |
| IT201900005192A1 (en) * | 2019-04-05 | 2020-10-05 | Vb Soluzioni E Tecnologie S R L | EXTRUSION PLANT FOR POLYMERIC MATERIAL PROCESSING |
| CN214210932U (en) * | 2020-12-18 | 2021-09-17 | 山西晋光化工有限公司 | Centrifugal device is used in research and development of high whiteness fluorescent whitening agent BA |
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Address after: 230000 No. 1169, Huguang East Road, Shushan new industrial park, Hefei, Anhui Patentee after: Anhui Huachi Environmental Protection Technology Co.,Ltd. Address before: 230000 No. 1169, Huguang East Road, Shushan new industrial park, Hefei, Anhui Patentee before: ANHUI HUACHI PLASTIC Co.,Ltd. |