CN114161695A - Extrusion mechanism for plastic film blowing machine - Google Patents
Extrusion mechanism for plastic film blowing machine Download PDFInfo
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- CN114161695A CN114161695A CN202111483589.1A CN202111483589A CN114161695A CN 114161695 A CN114161695 A CN 114161695A CN 202111483589 A CN202111483589 A CN 202111483589A CN 114161695 A CN114161695 A CN 114161695A
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- adjusting
- side wall
- box
- feeding
- end part
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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
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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
- B29C48/78—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, an installation frame and: the feeding control mechanism comprises a pretreatment component and a feeding adjusting component; the pre-treatment component comprises an adjusting guide box, an adjusting centrifugal cylinder, a rotation driving component and an adjusting component, the mounting frame is fixedly mounted on the base, and the pre-treatment component is mounted on the mounting 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
The plastic film is widely applied in industry and agriculture, and is usually produced through a film blowing machine, wherein plastic particles are firstly melted, then the plastic particles are fed and extruded through a screw, and the plastic particles are blown and molded by matching with a corresponding molding blowing mechanism.
Traditional plastic film inflation film manufacturing machine's extrusion mechanism when using, can not carry out the 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 who carries out control to plastic raw materials feeding volume simultaneously, and the regulatory 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 low production efficiency and poor regulation capability of the traditional extrusion mechanism for the plastic film blowing machine.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a plastic film is extrusion mechanism for inflation film manufacturing machine, includes base and mounting bracket, still includes:
the feeding control mechanism comprises a pretreatment component and a feeding adjusting component;
the pretreatment component comprises an adjusting guide box, an adjusting centrifugal cylinder, a rotary driving component and an adjusting component, the mounting frame is fixedly mounted on the 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 rotary guide seat is arranged on the inner side wall of the adjusting guide box and is rotatably connected with the guide box, one end part of the rotary guide seat is rotatably connected with one end part of the pretreatment component, one end part of the adjusting centrifugal cylinder is slidably mounted on the inner side wall of the rotary guide seat, one end part of the adjusting centrifugal cylinder is in sliding contact with the inner side wall of the adjusting guide box, a plurality of centrifugal discharge holes are formed in the adjusting centrifugal cylinder, a sliding ring is arranged on the inner side wall of the adjusting guide box and is slidably connected with the adjusting guide box, and a plurality of elastic elements are arranged between the sliding ring and the inner side wall of the adjusting guide box, the side wall of the adjusting centrifugal cylinder is provided with an installation partition plate fixedly connected with the adjusting centrifugal cylinder, a plane bearing is arranged between the side wall of the installation partition plate and the side wall of the sliding ring to be connected, the rotating driving component is used for driving the rotating guide seat to rotate on the inner side wall of the adjusting material guiding box, the adjusting component is used for driving the adjusting centrifugal cylinder to slide on the inner side wall of the rotating guide seat, the feeding mechanism is installed on the base, and one end part of the feeding mechanism is connected with one end part of the adjusting material guiding box;
the driving component comprises a driving shaft and a first rotary driving part, the first rotary driving part is installed on the base, the driving shaft is rotatably installed on the installation frame, a second connecting element is arranged between one end part of the driving shaft and the output end of the first rotary driving part for connection, a helical gear 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 helical gear meshed with the helical gear 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 the plastic raw materials discharged by the adjusting guide box and extruding and discharging the plastic raw materials.
In one alternative: the adjusting assembly comprises an air pressure adjusting element, a plurality of air connecting valves are arranged on the adjusting guide box, and one end parts of the air connecting valves are connected with the output end of the air pressure adjusting element through air guide pipes respectively.
In one alternative: feeding mechanism includes feeding screw and a pay-off section of thick bamboo, be provided with fixed connection's shell body with it on the pay-off section of thick bamboo, just be provided with a plurality of heating element between shell body inside wall and the pay-off section of thick bamboo lateral wall, be provided with temperature control element on the base, and it is a plurality of heating element with temperature control element links to each other, install No. two rotation driving pieces on the base, feeding screw rotates and installs on the pay-off section of thick bamboo, and feeding screw circumference lateral wall contacts with the pay-off section of thick bamboo inside wall, it links to each other to be provided with a connecting element between a tip of feeding screw and No. two rotation driving pieces's the output, it links to each other with a tip inner chamber of pay-off section of thick bamboo to adjust a tip of leading workbin.
In one alternative: the pretreatment component comprises a melting box and a heating device, the melting box is fixedly mounted on a mounting rack, a feeding port for feeding materials is formed in the melting box, the heating device comprises a heating plate fixedly mounted 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 melting box is further arranged on the outer side wall of the melting box, one end of the melting box is rotatably connected with one end of a rotating guide seat, a bushing fixedly connected with 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 includes No. three rotation driving pieces, No. three rotation driving piece fixed mounting is on the mounting bracket, melt and be provided with on the case with it and rotate the stirring pivot of being connected, just a tip of stirring pivot links to each other with No. three rotation driving piece's output, be provided with a plurality of fixed connection's puddler with it on No. three rotation driving pieces, be provided with fixed connection's emulsification board with it on a tip of puddler, just be provided with a plurality of thermodetector on the emulsification board, be provided with a plurality of connecting rods of fixed connection with it on a tip of stirring pivot, just be provided with fixed connection's scraper blade with it on a tip of connecting rod, just the scraper blade lateral wall contacts with melting bottom of the case tip inside wall.
In one alternative: and a connector fixedly connected with the feeding barrel is arranged at one end part of the feeding barrel.
In one alternative: and a temperature detector for monitoring the temperature in the melting tank is arranged on the inner side wall of the melting tank.
Compared with the prior art, the invention has the following beneficial effects:
the invention is provided with a feeding control mechanism and a feeding mechanism, 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 part of a rotating guide seat from one end part of the rotating guide seat, then, a first rotating driving part starts to work and drives a driving shaft to rotate through a second connecting element, when the driving shaft rotates, the rotating guide seat and the adjusting centrifugal cylinder on the rotating guide seat are driven to rotate on the inner side wall of an adjusting guide box simultaneously through the meshing of a helical gear and a helical gear ring, when the adjusting centrifugal cylinder rotates at high speed, the plastic raw materials in a melting state in the rotating guide seat are centrifugally discharged from a plurality of centrifugal discharge ports on the rotating guide seat, and the discharged plastic raw materials are guided into the feeding mechanism from the bottom part of the adjusting guide box, the feeding mechanism starts to work, continuously heats the plastic raw material discharged by the adjusting guide box, simultaneously extrudes and discharges the plastic raw material, when the discharge amount of the plastic raw materials of the adjusting guide box needs to be adjusted, the adjusting assembly starts to work and drives the adjusting centrifugal cylinder to slide on the inner side wall of the rotating guide seat, at the moment, one part of a plurality of centrifugal discharge openings used for discharging the plastic raw materials on one end part of the adjusting centrifugal cylinder is blocked by the inner side wall of the adjusting guide box, so that the number of the centrifugal discharge openings capable of discharging materials is reduced, thereby reducing the supply amount of the plastic raw material to the feeding mechanism, when the adjusting component drives the adjusting centrifugal cylinder to slide downwards on the inner side wall of the rotating guide seat, at the moment, the number of centrifugal discharge openings which are arranged at one end part of the centrifugal cylinder and can discharge plastic raw materials is increased, thereby increasing the supply amount of the plastic raw materials in the adjusting material guiding box to the feeding mechanism in the process of adjusting the centrifugal cylinder to rotate along with the rotating guide seat.
The device can pre-heat the plastic raw materials for melting in the using process, thereby effectively accelerating the feeding production efficiency of the whole device, meanwhile, the device is provided with the adjusting and adjusting component for controlling the feeding amount of the plastic raw materials, the feeding amount of the plastic raw materials can be adjusted in real time according to the actual production condition in the feeding and extruding process of the plastic raw materials, and the device has better applicability compared with the traditional film blowing and extruding mechanism.
Drawings
Fig. 1 is a schematic view of the overall structure in one embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion B of fig. 1 according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of an adjusting centrifugal cylinder according to an embodiment of the present invention.
Notations for reference numerals: the device comprises a base 1, a mounting frame 2, an adjusting guide box 3, a melting box 4, a driving shaft 5, a bevel gear 6, a first rotary driving piece 7, an air pressure adjusting element 8, an air guide pipe 9, a feeding screw rod 10, a second rotary driving piece 11, a first connecting element 12, a second connecting element 13, an outer shell 14, a feeding barrel 15, a heating element 16, a temperature control element 17, a connecting head 18, a third rotary driving piece 19, a stirring rotating shaft 20, a heat preservation and insulation layer 21, a leakage plate 22, an adjusting centrifugal barrel 23, a mounting partition plate 24, a sliding ring 25, an elastic element 26, a gas connecting valve 27, a rotary guide seat 28, a bevel gear ring 29, a stirring rod 30, an emulsifying plate 31, a temperature detector 32, a connecting rod 33, a scraping plate 34, a heating plate 35, a centrifugal discharge port 36 and a plane bearing 38.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
In one embodiment, as shown in fig. 1, fig. 2, and fig. 4, the extrusion mechanism for a plastic film blowing machine provided by the present invention includes a base 1 and a mounting frame 2, and further includes:
the feeding control mechanism comprises a pretreatment component and a feeding adjusting 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 mounted on the base 1, the pretreatment component is mounted on the mounting frame 2, the adjusting guide box 3 is fixedly mounted on the side wall of the mounting frame 2, a rotation guide seat 28 connected with the adjusting guide box in a rotation mode is arranged on the inner side wall of the guide box 3, a end part of the rotation guide seat 28 is connected with an end part of the pretreatment component in a rotation mode, one end part of the adjusting centrifugal cylinder 23 is slidably mounted on the inner side wall of the rotation guide seat 28, one end part of the adjusting centrifugal cylinder 23 is in sliding contact with the inner side wall of the adjusting guide box 3, a plurality of centrifugal discharge openings 36 are formed in the adjusting centrifugal cylinder 23, a sliding ring 25 connected with the inner side wall of the guide box 3 is arranged on the adjusting guide box, and a plurality of elastic elements 26 are arranged between the sliding ring 25 and the inner side wall of the adjusting guide box 3, the side wall of the adjusting centrifugal cylinder 23 is provided with an installation partition plate 24 fixedly connected with the adjusting centrifugal cylinder, a plane bearing 38 is arranged between the side wall of the installation partition plate 24 and the side wall of the sliding ring 25 for connection, the rotation driving component is used for driving the rotation guide seat 28 to rotate on the inner side wall of the adjusting guide box 3, the adjusting component is used for driving the adjusting centrifugal cylinder 23 to slide on the inner side wall of the rotation guide seat 28, the feeding mechanism is installed on the base 1, and one end part of the feeding mechanism is connected with one end part of the adjusting guide box 3;
the driving component comprises a driving shaft 5 and a first rotary driving part 7, the first rotary driving part 7 is installed on the base 1, the driving shaft 5 is rotatably installed on the installation 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 part 7, a bevel gear ring 29 fixedly connected with the side wall of one end part of the rotary guide seat 28 is arranged on the side wall of one end part of the rotary guide seat 28, and a bevel gear 6 meshed with the bevel gear ring 29 is arranged on one end part of the driving shaft 5;
the pre-treatment component is used for pre-melting the plastic particles, and the feeding mechanism is used for continuously heating the plastic raw material discharged from the adjusting guide box 3 and extruding and discharging the plastic raw material;
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 part of a rotating guide seat 28 from one end part of the rotating guide seat 28, at the moment, a first rotating driving part 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 on the inner side wall of an adjusting guide box 3 simultaneously through the meshing of a bevel gear 6 and a bevel gear ring 29, when the adjusting centrifugal cylinder 23 rotates at a high speed, the plastic raw material in a molten state in the rotating guide seat 28 is centrifugally discharged from a plurality of centrifugal discharge ports 36 on the rotating guide seat 28, and the discharged plastic raw material is guided into a feeding mechanism from the bottom part of the adjusting guide box 3, the feeding mechanism starts to work, plastic raw materials discharged from the adjusting guide box 3 are continuously heated, meanwhile, the plastic raw materials are extruded and discharged, when the discharge amount of the plastic raw materials of the adjusting guide box 3 needs to be adjusted, the adjusting assembly 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 the 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 number of the centrifugal discharge ports 36 capable of discharging the plastic materials is reduced, the supply amount of the plastic raw materials to the feeding mechanism is reduced, when the adjusting assembly drives the adjusting centrifugal cylinder 23 to slide downwards on the inner side wall of the rotating 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 adjusting centrifugal cylinder 23 is increased, and the supply amount of the plastic raw materials to the feeding mechanism in the adjusting guide box 3 is increased in the process that the adjusting centrifugal cylinder 23 rotates along with the rotating guide seat 28 Dosing;
in one embodiment, as shown in fig. 1 and fig. 2, the adjusting assembly includes an air pressure adjusting element 8, a plurality of air connecting valves 27 are disposed on the adjusting guide box 3, and one end of each of the plurality of air connecting valves 27 is connected to an output end of the air pressure adjusting element 8 through an air duct 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 plate 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 inner side wall of the adjusting guide box 3 and the side wall of the mounting partition plate 24, the air pressure adjusting element 8 works to change the air pressure in the cavity through the air duct 9 and the air connecting valve 27, and meanwhile, the air pressure adjusting element 8 drives the sliding ring 25 to slide on the inner side wall of the adjusting guide box 3 in the process of matching and adjusting with the elastic element 26, so as to drive the adjusting centrifugal cylinder 23 to slide on the rotating guide seat 28 and the inner side wall of the adjusting guide box 3, and further adjust the discharge amount of the plastic raw material of the adjusting centrifugal cylinder 23;
the elastic element 26 may be configured as a coil spring or a pneumatic spring, etc., and is preferably configured as a coil spring in the present embodiment;
in one embodiment, as shown in fig. 1, the feeding mechanism includes a feeding screw 10 and a feeding barrel 15, an outer shell 14 fixedly connected with the feeding barrel 15 is arranged on the feeding barrel 15, a plurality of heating elements 16 are arranged between an inner side wall of the outer shell 14 and an outer side wall of the feeding barrel 15, a temperature control element 17 is arranged on the base 1, the plurality of heating elements 16 are connected with the temperature control element 17, a second rotary driving member 11 is mounted on the base 1, the feeding screw 10 is rotatably mounted on the feeding barrel 15, a circumferential side wall of the feeding screw 10 is in contact with the inner side wall of the feeding barrel 15, a first connecting element 12 is arranged between one end of the feeding screw 10 and an output end of the second rotary 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, during extrusion feeding, the second rotary driving part 11 works and drives the feeding screw rod 10 to rotate through the first connecting element 12, so as to adjust the plastic material melted in the guide box 3 to be discharged from one end part of the feeding barrel 15, drive the plastic material to be discharged to the other end part of the feeding barrel 15 in the process of rotating the feeding screw rod 10, and simultaneously control the plurality of heating elements 16 by the temperature control element 17 to continuously heat the material in the feeding barrel 15, thereby effectively ensuring the flowability of the plastic material;
in one embodiment, as shown in fig. 1 and 3, the pretreatment component 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) 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 insulating layer 21 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 rotating guide seat 28, a bushing 22 is provided on an inner side wall of one end of the melting tank 4, and a stirring component is further provided on the melting tank 4 for stirring and mixing the plastic raw material;
in the embodiment of the invention, when the whole device is used, firstly, materials are put into the device from a feeding port, the temperature control element 17 controls the heating plate 35 to heat and melt the raw materials in the melting box 4, and simultaneously, the stirring component is started to work and stir the materials in the melting box 4, so that the material melting speed is accelerated, the heat insulation layer 21 can effectively prevent the heat loss in the melting box 4, and the melted materials are discharged downwards into the adjusting centrifugal cylinder 23 from the leakage plate 22;
in one embodiment, as shown in fig. 1 and 3, the stirring member comprises a third rotary drive 19, the third rotary driving piece 19 is fixedly arranged on the mounting rack 2, the melting box 4 is provided with a stirring rotating shaft 20 which is rotatably connected with the melting box, one end of the stirring rotating shaft 20 is connected with the output end of the third rotary driving member 19, a plurality of stirring rods 30 fixedly connected with the third rotary driving member 19 are arranged on the third rotary driving member 19, an emulsifying plate 31 fixedly connected with the stirring rods 30 is arranged on one end of the stirring rods 30, a plurality of temperature detectors 32 are arranged on the emulsifying plate 31, a plurality of connecting rods 33 fixedly connected with one end part of the stirring rotating shaft 20 are arranged on the end part, a scraper 34 fixedly connected with one end part of the connecting rod 33 is arranged on one end part of the connecting rod, and the side wall of the scraper 34 is contacted with the inner side wall of the bottom end part of the melting box 4;
in the embodiment of the invention, the third rotary driving part 19 works to drive the stirring rotary shaft 20 to rotate, the stirring rotary shaft 20 rotates to drive the stirring rods 30 and the connecting rods 33 to rotate, the connecting rods 33 stir the plastic raw materials in the melting box 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 connecting rods 33 drive the scraping plates 34 to scrape the side walls of the end part of the melting box 4, and therefore the plastic raw materials in a molten state are discharged from the leakage plates 22 to the adjusting guide box 3;
the third rotary driving member 19, the first rotary driving member 7 and the second rotary driving member 11 can be set as an electric servo motor or a pneumatic motor, etc., and are preferably set as servo motors in this embodiment;
the second connecting element 13 and the first connecting element 12 can be configured as a sprocket assembly or a pulley assembly, etc., and are preferably configured as a pulley assembly in the embodiment;
in one embodiment, as shown in fig. 1, a connecting head 18 is provided at one end of the feeding cylinder 15;
in the embodiment of the invention, the feeding screw 10 rotates and extrudes the plastic raw material in a molten state from one end part of the feeding barrel 15, and one end part of the feeding barrel 15 is connected with an external forming mechanism through a connecting head 18;
in one embodiment, as shown in FIG. 1, the inside wall of the melting tank 4 is provided with a temperature detector 32 for monitoring the temperature in the melting tank 4;
in the embodiment of the present invention, plastic pellets 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 put into the device from a feeding port, a temperature control element 17 controls a heating plate 35 to heat and melt raw materials in a melting box 4, meanwhile, a third rotary driving piece 19 starts to work to drive a plurality of emulsifying plates 31 to stir the materials in the melting box 4, so that the melting speed of the materials is accelerated, a heat insulation layer 21 can effectively prevent heat loss in the melting box 4, the melted materials are downwards discharged into an adjusting centrifugal cylinder 23 from a leakage plate 22, at the moment, a 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 simultaneously rotate on the inner side wall of the adjusting centrifugal box 3 through the meshing of a bevel gear 6 and a bevel gear 29, when the adjusting centrifugal cylinder 23 rotates at a high speed, the plastic raw material in a molten state in the rotary guide seat 28 is centrifugally discharged from a plurality of centrifugal discharge ports 36 on the rotary guide seat 28, and the discharged plastic raw material is introduced into an inner cavity at one end part of the feeding barrel 15 from the bottom of the adjusting guide box 3;
the second rotary driving part 11 works and drives the feeding screw rod 10 to rotate through the first connecting element 12, molten plastic materials in the guide box 3 are adjusted to be discharged from one end part of the feeding barrel 15, the feeding screw rod 10 drives the plastic materials to be discharged to the other end part of the feeding barrel 15 in the rotating process, 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 flowability of the plastic materials is effectively guaranteed;
the side wall of the adjusting centrifugal cylinder 23 is connected with the side wall of the mounting clapboard 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 inner side wall of the adjusting guide box 3 and the side wall of the mounting clapboard 24, the air pressure in the cavity is changed by 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 inner 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 inner side wall of the rotating guide seat 28 and the adjusting guide box 3, and the discharge amount of plastic raw materials of the adjusting centrifugal cylinder 23 is adjusted;
when the plastic material discharge amount of the adjusting guide box 3 needs to be adjusted, the adjusting assembly starts to work and drives the adjusting centrifugal cylinder 23 to slide on the inner side wall of the rotating guide seat 28, at this time, a part of the centrifugal discharge ports 36 used for discharging the plastic material 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 number of the centrifugal discharge ports 36 capable of discharging the plastic material is reduced, and further, the supply amount of the plastic material into the feeding mechanism is reduced, and when the adjusting assembly drives the adjusting centrifugal cylinder 23 to slide downwards on the inner side wall of the rotating guide seat 28, at this time, the number of the centrifugal discharge ports 36 capable of discharging the plastic material on one end part of the adjusting centrifugal cylinder 23 is increased, so that the supply amount of the plastic material in the adjusting guide box 3 into the feeding mechanism is increased in the process that the adjusting centrifugal cylinder 23 rotates along with the rotating guide seat 28.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present 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 is extrusion mechanism for inflation film manufacturing machine, includes base and mounting bracket, characterized in that still includes:
the feeding control mechanism comprises a pretreatment component and a feeding adjusting component;
the pretreatment component comprises an adjusting guide box, an adjusting centrifugal cylinder, a rotary driving component and an adjusting component, the mounting frame is fixedly mounted on the 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 rotary guide seat is arranged on the inner side wall of the adjusting guide box and is rotatably connected with the guide box, one end part of the rotary guide seat is rotatably connected with one end part of the pretreatment component, one end part of the adjusting centrifugal cylinder is slidably mounted on the inner side wall of the rotary guide seat, one end part of the adjusting centrifugal cylinder is in sliding contact with the inner side wall of the adjusting guide box, a plurality of centrifugal discharge holes are formed in the adjusting centrifugal cylinder, a sliding ring is arranged on the inner side wall of the adjusting guide box and is slidably connected with the adjusting guide box, and a plurality of elastic elements are arranged between the sliding ring and the inner side wall of the adjusting guide box, the side wall of the adjusting centrifugal cylinder is provided with an installation partition plate fixedly connected with the adjusting centrifugal cylinder, a plane bearing is arranged between the side wall of the installation partition plate and the side wall of the sliding ring to be connected, the rotating driving component is used for driving the rotating guide seat to rotate on the inner side wall of the adjusting material guiding box, the adjusting component is used for driving the adjusting centrifugal cylinder to slide on the inner side wall of the rotating guide seat, the feeding mechanism is installed on the base, and one end part of the feeding mechanism is connected with one end part of the adjusting material guiding box;
the driving component comprises a driving shaft and a first rotary driving part, the first rotary driving part is installed on the base, the driving shaft is rotatably installed on the installation frame, a second connecting element is arranged between one end part of the driving shaft and the output end of the first rotary driving part for connection, a helical gear 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 helical gear meshed with the helical gear 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 the plastic raw materials discharged by the adjusting guide box and extruding and discharging the plastic raw materials.
2. The extrusion mechanism of claim 1, wherein the adjusting assembly comprises an air pressure adjusting element, the adjusting guide box is provided with a plurality of air connecting valves, and one end parts of the air connecting valves are respectively connected with the output end of the air pressure adjusting element through air guide pipes.
3. The extrusion mechanism for the plastic film blowing machine according to claim 2, wherein the feeding mechanism comprises a feeding screw and a feeding barrel, the feeding barrel is provided with an outer shell fixedly connected with 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, the base is provided with a temperature control element, the plurality of heating elements are connected with the temperature control element, the base is provided with a second rotary driving piece, the feeding screw is rotatably installed on the feeding barrel, the circumferential side wall of the feeding screw is in contact with the inner side wall of the feeding barrel, a first connecting element is arranged between one end part of the feeding screw and the output end of the second rotary driving piece and connected with one end part inner cavity of the feeding barrel, and one end part of the adjusting guide box is connected with one end part inner cavity of the feeding barrel.
4. The extrusion mechanism of claim 1, wherein the pre-processing member comprises a melting box and a heating device, the melting box is fixedly mounted on the mounting frame, a feeding port for feeding is formed in the melting box, the heating device comprises a heating plate fixedly mounted on the inner side wall of the melting box, the heating plate is connected with the temperature control element through an electric signal, a heat insulation layer fixedly connected with the outer side wall of the melting box is further arranged on the outer side wall of the melting box, one end of the melting box is rotatably connected with one end of the rotating guide seat, a bushing fixedly connected with the inner side wall of one end of the melting box is further arranged on the inner side wall of one end of the melting box, and a stirring member for stirring and mixing plastic raw materials is further arranged on the melting box.
5. The extrusion mechanism of claim 4, wherein the stirring member comprises a third rotary driving member, the third rotary driving member is fixedly mounted on the mounting frame, the melting box is provided with a stirring rotary shaft which is rotatably connected with the melting box, one end of the stirring rotary shaft is connected with the output end of the third rotary driving member, the third rotary driving member is provided with a plurality of stirring rods which are fixedly connected with the third rotary driving member, one end of each stirring rod is provided with a fixedly connected emulsifying plate which is fixedly connected with the stirring rod, the emulsifying plate is provided with a plurality of temperature detectors, one end of the stirring rotary shaft is provided with a plurality of connecting rods which are fixedly connected with the stirring rotary shaft, one end of each connecting rod is provided with a scraper which is fixedly connected with the connecting rod, and the side wall of each scraper is in contact with the inner side wall of the bottom of the melting box.
6. The extrusion mechanism as recited in claim 3, wherein a connecting head is fixedly connected to one end of the feeding cylinder.
7. The extrusion mechanism as claimed in claim 3, 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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| CN114161695A true CN114161695A (en) | 2022-03-11 |
| CN114161695B CN114161695B (en) | 2023-07-21 |
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| WO2020202026A1 (en) * | 2019-04-05 | 2020-10-08 | Vb Soluzioni E Tecnologie S.R.L. | Extrusion apparatus for the processing of polymeric material |
| 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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| US20060049538A1 (en) * | 2004-09-01 | 2006-03-09 | Markus Joppe | 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 |
| DE102019001423A1 (en) * | 2019-02-11 | 2020-08-13 | Kastriot Merlaku | Device that can solidify an object made of modeling clay or modeling clay by coating |
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| CN114161695B (en) | 2023-07-21 |
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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. |