CN105729817A - Full-automatic plastic film production equipment - Google Patents
Full-automatic plastic film production equipment Download PDFInfo
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- CN105729817A CN105729817A CN201610233777.1A CN201610233777A CN105729817A CN 105729817 A CN105729817 A CN 105729817A CN 201610233777 A CN201610233777 A CN 201610233777A CN 105729817 A CN105729817 A CN 105729817A
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- roller
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- stretching
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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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
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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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
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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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/10—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation for articles of indefinite length
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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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses full-automatic plastic film production equipment. The full-automatic plastic film production equipment comprises an extrusion machine, a molding device, two stretching devices, an infrared heating device, a needling device and a receiving and rolling device; the extrusion machine comprises a mold head; the molding device comprises a second rack, a roller molding structure arranged below the mold head and a lifting mechanism; each stretching device comprises a third rack located at the side end of the molding device, two hot rollers and four stretching rollers; the infrared heating device comprises a drying oven and an infrared heating pipe, and the two ends of the drying oven are provided with the stretching devices; the needling device comprises an adjustable rack, a needling roller and a fixing support located at the side end of the second stretching device; and the receiving and rolling device comprises a fourth rack located at the side end of the needling device, a swing roller, a rubber roller assembly, a reeling shaft, a film cutting structure and an overturning assembly. As the extrusion machine, the molding device, the two stretching devices, the infrared heating device, the needling device and the receiving and rolling device are arranged, so that full-automatic production of an overall plastic film is achieved, and the production efficiency is improved.
Description
Technical field
The present invention relates to the technical field of plastic film production equipment, especially full-automatic plastic membrane production equipment.
Background technology
The yield of China's plastic sheeting accounts for the 20% of plastic total output, is increase of production one of classification faster in plastic.Along with China pack, agricultural etc. field the demand of plastic sheeting is not only increased, it is contemplated that the demand of China's plastic sheeting every year by with more than 9% speed increment, its market prospect is very wide.Application from China's plastic sheeting (thickness is 0.06mm～0.26mm), consumption is maximum, kind is maximum, most widely used is packaging industry, and its consumption accounts for 2/3, next to that agricultural accounts for 30%, having is exactly functional membrane again, such as microporous membrane, screened film, geomembrane etc..Nearly all synthetic resin is all likely to film forming in theory, but has economic implications, becomes commodity, consumption is maximum is the resins such as polrvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), ethylene/acetic acid ethylene (EVA), polyamide (PA).
At present, the production of plastic sheeting is all artificial production, and production efficiency is low, the plastic sheeting of production second-rate.
Summary of the invention
It is an object of the invention to provide full-automatic plastic membrane production equipment, it is intended to solving in prior art, the production of plastic sheeting is all artificial production, production efficiency is low, the second-rate problem of the plastic sheeting of production.
The present invention is achieved in that full-automatic plastic membrane production equipment, including extruder, shaped device, two stretching devices, infrared heating device, needling device and splicing wrap-up；
Described extruder includes the first frame, the screw rod rotated is driven by the first power source, barrel, feed hopper, runner and die head, described screw rod, barrel, feed hopper, runner and die head are connected in described first frame, described screw rod is embedded in described barrel, and the inner and described feed hopper of described barrel is connected, the outer end of described barrel is connected with described die head by described runner, it is provided with cooling structure in described feed hopper, the film mouth gap that melting charge flows out it is provided with mean in described die head, and the outer end of described die head is connected to the adjustment structure of the size for regulating described film mouth gap；
Described shaped device includes the second frame, it is located at the roller molding structure below described die head and the elevating mechanism for the distance between adjusting roller molding structure and die head, described elevating mechanism and described roller molding structure are connected to the upper end of described second frame, described roller molding structure includes two and is driven the roller rotated respectively by the first power source, article two, described roller is arranged in parallel, and the inner side of described roller is provided with vacuum suction cover, vacuum area is formed between described vacuum suction cover and described roller, the outside of described roller is connected to malleation blowing cutter；
Described stretching device includes being positioned at the 3rd frame of the side of described shaped device, two articles by the, power source drives the heating roller and four bars of draw rolls that rotate, described heating roller and described draw roll are connected in described 3rd frame, and the side of described heating roller and described draw roll is provided with auxiliary press mold structure, described auxiliary press mold structure includes being driven flexible pressure roller by the second power source；
Described infrared heating device includes baking oven and several infrared heating pipe, described baking oven be respectively arranged at two ends with described stretching device；Described baking oven includes the lower box of upper box and upper end open, described upper box and described lower box are connected through the hinge, formation cavity volume is enclosed between described upper box and described lower box, several described infrared ray heating tube intervals are arranged in described upper box, two sides of described lower box are correspondingly provided with the entrance for plastic sheeting traverse respectively and outlet, described entrance and described outlet connect with described cavity volume respectively；
Described needling device includes adjustable housing, spiked roller and is positioned at the fixed mount of side of second described stretching device, described adjustable housing is slidably connected on described fixed mount, described spiked roller is fixedly connected on described fixed mount, described adjustable housing is connected to two the second deflector rolls, and described spiked roller is between two described second deflector rolls, described spiked roller is provided with several spaced apart prickers；
Described splicing wrap-up, including the 4th frame of the side being positioned at described needling device, the 4th power source driving the pendulum roller, the rubber roll component that swing, the 5th power source drive the Scroll rotated, cut membrane structure and overturn assembly, described pendulum roller, rubber roll component, cut membrane structure and upset assembly is connected to the upper end of described frame, described wind-up roll is positioned at the side of described frame, described in cut membrane structure and include being driven flexible cutting membrane knife by the 6th power source；Described Scroll is connected to the upper end of described upset assembly.
Further, described adjustment structure is for regulating screw；Described first frame is provided with chill roll, and described chill roll is located at the lower section of described die head.
Further, described cooling structure includes water pipe, and described water pipe is in the shape of a spiral around being embedded in described feed hopper；It is connected to net-changing device between outer end and the described runner of described barrel.
Further, described elevating mechanism two is driven the helical riser rotated respectively by the 4th power source, described helical riser includes screw mandrel and feed screw nut, described screw mandrel is connected with described 4th power source, described feed screw nut is connected on described screw mandrel, and the lower end of described feed screw nut is connected with described second frame.
Further, described second power source is telescopic cylinder, and the end of the expansion link of described telescopic cylinder is connected with described pressure roller；The end of described telescopic cylinder is provided with swing arm, and described swing arm is connected with described pressure roller；Described swing arm is provided with stop screw.
Further, described upper box and described lower box include the steel plate, heat-insulation layer and the shell that are sequentially connected with respectively, and described heat-insulation layer is between described steel plate and described shell；It is provided with insulation fibre in described heat-insulation layer.
Further, described fixed mount has extended vertically extension upward, and the side of described adjustable housing is formed with elevating bracket, and described elevating bracket is connected by regulating screw mandrel with described extension.
Further, the outer end of described elevating bracket is connected to slide block, and described extension is provided with slide rail, and described skid is connected on described slide rail；The end of described extension is connected to bearing block, and described adjustment screw mandrel is plugged in described bearing block by bearing activity.
Further, described pendulum roller being connected to support arm, the end of described support arm is connected to a rod, and described rod is connected with described 5th power source.
Further, described rubber roll component includes swing arm, cylinder, rubber roll and guide rail, described guide rail is connected in described 4th frame, and described rubber roll is slidably connected on described guide rail, described swing arm is connected to the lower section of described guide rail, and be connected with described cylinder, the end of described swing arm is connected with described rubber roll.
Compared with prior art, full-automatic plastic membrane production equipment provided by the invention, by arranging extruder, shaped device, two stretching devices, infrared heating device, needling device and splicing wrap-up, realize the fully-automatic production to whole plastic sheeting, improve production efficiency, also improve the quality of plastic sheeting, simple in construction, practical.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the full-automatic plastic membrane production equipment that the embodiment of the present invention provides；
Fig. 2 is the main TV structure schematic diagram of the extruder that the embodiment of the present invention provides；
Fig. 3 is the main TV structure schematic diagram of the shaped device that the embodiment of the present invention provides；
Fig. 4 is the main TV structure schematic diagram of the stretching device that the embodiment of the present invention provides；
Fig. 5 is the main TV structure schematic diagram of the infrared heating device that the embodiment of the present invention provides；
Fig. 6 is the main TV structure schematic diagram of the needling device that the embodiment of the present invention provides；
Fig. 7 is the main TV structure schematic diagram of the splicing wrap-up that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with specific embodiment, the realization of the present invention is described in detail.
With reference to Fig. 1 ~ 7, for preferred embodiment provided by the invention.
The full-automatic plastic membrane production equipment that the present embodiment provides, it is possible to be used in the production process of plastic sheeting, it is achieved fully-automatic production plastic sheeting.
Full-automatic plastic membrane production equipment, including extruder 100,200, two stretching devices 300 of shaped device, infrared heating device 400, needling device 500 and splicing wrap-up 600.
Wherein, extruder 100 includes the first frame 190, the screw rod of rotation is driven by the first power source 130, barrel 110, feed hopper 120, runner 170 and die head 160, screw rod, barrel 110, feed hopper 120, runner 170 and die head 160 are connected in the first frame 190, wherein, screw rod is embedded in barrel 110, and the inner of barrel 110 is connected with feed hopper 120, the outer end of barrel 110 is connected with die head 160 by runner 170, it is provided with cooling structure in feed hopper 120, the film mouth gap that melting charge flows out it is provided with mean in die head 160, and the outer end of die head 160 is connected to the adjustment structure of the size for regulating film mouth gap.
Before material extrusion, heating first to barrel 110, before not reaching design temperature, do not allow to start extruder 100 motor, barrel 110 is incubated when being heated to design temperature, about continuation is incubated half an hour, after treating the abundant heat penetration of barrel 110, it is possible to reinforced extrusion.First low-speed running screw rod, 11-15 rev/min.Allowing material slowly enrich barrel 110, check each district of screw rod, whether the temperature of the various pieces such as runner 170 is normal.When melting charge flows out in film mouth gap, with copper sheet, steel wire lump, hard paraffin, film mouth gap is cleaned out, because being first material extrusion, inside melting charge, mixing much impurity, impurity must be cleaned out.To be extruded stable after, operate curtain coating the first frame 190, allow film cooling molding.The thickness of detection membrane, in this, as foundation, regulates the film mouth gap on die head 160 and regulates screw, make thickness thin uniformly；Accelerate screw speed, regulate the rotating speed of subsidiary engine each several part simultaneously, make each several part synchronous operation.
Above-mentioned extruder 100, by arranging cooling structure in feed hopper 120 and arranging the adjustment structure of the size regulating die gap in the outer end of die head 160, first material is cooled down, be conducive in material transportation to barrel 110, it is ensured that charging is smooth and easy, according to the thickness of detection membrane after depanning first as foundation, regulate the film mouth gap on die head 160 and regulate screw, make thickness thin uniformly, simple in construction, practical.
Shaped device 200, including the second frame 210, it is located at the roller molding structure below die head 250 and the elevating mechanism for the distance between adjusting roller molding structure and die head 250, elevating mechanism and roller molding structure are connected to the upper end of the second frame 210, roller molding structure includes two and is driven the roller 220 rotated respectively by the first power source, article two, roller 220 is arranged in parallel, and the inner side of roller 220 is provided with vacuum suction cover 240, vacuum area is formed between this vacuum suction cover 240 and roller 220, the outside of roller 220 is connected to malleation blowing cutter 230.
Before producing product, first shaped device 200 is cooled down, until design temperature, carry out front and back lift adjustment by elevating mechanism, allow roller 220 and die head 250 be in correct position.Now, vacuum suction cover 240 and roller 220 are pressed close to as far as possible, to form vacuum space, regulate the position of blowing cutter simultaneously, allow air port just to film and roller 220 joint place, can produce.
Above-mentioned shaped device 200, one vacuum space of formation between roller 220 and die head 250 can be made by the vacuum suction cover 240 of the inner side of roller 220, die head 250 film out can press close to roll surface more swimmingly, the malleation blowing cutter 230 in the outside of roller 220, makes the wind of malleation blowing cutter 230 blowout blow to film equably, allows film press close to roller better, and by regulating elevating mechanism, make the distance of roller 220 and die head 250 closer to so that film and roller 220 are fitted more, improve the quality of thin film.
Stretching device 300, the 3rd frame 310, two articles including the side being positioned at shaped device 200 is driven the heating roller 320 and four bars of draw rolls 330 that rotate by the second power source, article two, heating roller 320 and four bars of draw rolls 330 are connected in the 3rd frame 310, and the side of heating roller 320 and draw roll 330 is provided with auxiliary press mold structure, this auxiliary press mold structure includes being driven flexible pressure roller 340 by the 3rd power source.
Above-mentioned stretching device 300, is driven by the second power source and rotates heating roller 320, and the second power source can ensure the roller run-in synchronism of two, front and back；3rd power source drives pressure roller 340 to compress heating roller 320 and draw roll 330, and thin film just forms the laminating of big cornerite with heating roller 320 and draw roll 330, makes thin film heat fully rapidly；Reaching to stretch temperature required thin film, enter into draw roll 330, four draw rolls 330 form four sections of stretchings, pressure roller 340 by film compression on draw roll 330, set the rotating speed of every draw roll 330 as required, thin film just can longitudinal Uniform Tension, improve the stretching quality of thin film.
Infrared heating device 400, including baking oven and several infrared heating pipe, baking oven be respectively arranged at two ends with above-mentioned stretching device 300, baking oven includes the lower box 420 of upper box 410 and upper end open, upper box 410 and lower box 420 are connected through the hinge, formation cavity volume is enclosed between upper box 410 and lower box 420, several infrared ray heating tube 470 intervals are arranged in upper box 410, two sides of lower box 420 are correspondingly provided with the entrance for plastic sheeting traverse and outlet, entrance and outlet respectively and connect with cavity volume respectively；During work, upper box 410 and lower box 420 close, and the inside forms a closed containing cavity, the temperature in containment housing can be made to reach License Value by design temperature.
Thin film after stretched, enters in cavity volume from lower box 420 side inlet, and outlet from the side passes.Upper box 410 and lower box 420 close, and set the heating-up temperature of the infrared heating system of infrared ray heating tube 470, spend 5-8 minute, check whether detection temperature reaches required stationary value, slowly regulate, until reaching temperature required.
Above-mentioned infrared heating device 400, by arranging baking oven, several infrared ray heating tubes 470 are set in baking oven, plastic sheeting after stretching enters in cavity volume from lower box 420 side inlet, outlet from the side passes, by infrared ray heating tube 470 heat treated, reach to eliminate the effect of stress, improve the properties of product of plastic sheeting.
Needling device 500, including adjustable housing 510, spiked roller 520 and the fixed mount 540 being positioned at second described stretching device 300 side, wherein, adjustable housing 510 is slidably connected on fixed mount 540, spiked roller 520 is fixedly connected on fixed mount 540, being connected to two the second deflector rolls 514 on adjustable housing 510, and spiked roller 520 is between two the second deflector rolls 514, spiked roller 520 is provided with several spaced apart prickers.
Thin film enters spiked roller 520 after second deflector roll 514, is needled the pricker on roller 520 and cuts, forms fiber, then passes through another second deflector roll 514 through leaving spiked roller 520, enters stretching device 300.
The needling device 500 of above-mentioned plastic sheeting, by connecting two the second deflector rolls 514 on adjustable housing 510, spiked roller 520 is located between two the second deflector rolls 514, thin film is after first the second deflector roll 514, enter spiked roller 520, be needled the pricker on roller 520 and cut, form fiber, then through another one the second deflector roll 514, stretching, production efficiency is high, and fibre strength is big, need not just can produce by other auxiliary materials, and without severe corrosive or high hypertoxicity solvent, easily reclaim, will not to causing environmental pollution, simple in construction, practical.
Splicing wrap-up 600, including be positioned at needling device 500 side the 4th frame 610, driven by the 4th power source 680 swing pendulum roller 650, rubber roll component, by the 5th power source drive rotate Scroll 620, cut membrane structure and upset assembly 640, wherein, put roller 650, rubber roll component, cut membrane structure and overturn assembly 640 and be connected to the upper end of the 4th frame 610, wind-up roll is positioned at the side of the 4th frame 610, cuts membrane structure and includes being driven flexible cutting membrane knife 695 by the 6th power source；Scroll 620 is connected to the upper end of upset assembly 640.
Enter the film of rolling part, around rubber roll component after pendulum roller 650, the film walking around rubber roll component enters into Scroll 620, rubber roll component surface is provided with cross-helicity line, film is allowed to be launched on intermembranous both sides when being adjacent to Scroll 620, along with coil diameter increases, swing arm cylinder 691 slowly shrinks, and keeps rubber roll component and Scroll 620 upward pressure constant.When rolling is to when setting coil diameter, swing arm cylinder 691 rapid backward, turnover bracket begins turning, and after new Scroll 620 arrives take-up position, swing arm cylinder 691 quickly propels, and rubber roll component is adjacent to Scroll 620；At this moment, film is cut off by cutting membrane knife 695, and rolling action completes.
The splicing wrap-up 600 of above-mentioned plastic sheeting, by arranging pendulum roller 650 in the 4th frame 610, rubber roll component, the Scroll 620 rotated is driven by the 5th power source, cut membrane structure and upset assembly 640, plastic sheeting is imported by pendulum roller 650 and rubber roll component, Scroll 620 rolling plastic sheeting, when plastic sheeting rolling reaches certain diameter, upset assembly 640 overturns wind-up roll, cutting membrane knife 695 cuts off thin film simultaneously, realize the automatic winding splicing to plastic sheeting, without artificial rolling plastic sheeting, improve the production efficiency of thin film and reach the requirement of qualified mould volume.
Full-automatic plastic membrane production equipment, by arranging extruder 100,200, two stretching devices 300 of shaped device, infrared heating device 400, needling device 500 and splicing wrap-up 600, realize the fully-automatic production to whole plastic sheeting, improve production efficiency, also improve the quality of plastic sheeting, simple in construction, practical.
Above-mentioned adjustment structure is for regulating screw, and certainly, in other embodiments, above-mentioned adjustment structure can be adjusting rod, not limitation and adjustment screw.
Specifically, the first above-mentioned frame 190 is provided with chill roll, and this chill roll is located at the lower section of die head 160, to be extruded stable after, operate curtain coating the first frame 190, allow film stream cool down molding to chill roll.
In the present embodiment, cooling structure includes water pipe, and material, in the shape of a spiral around being embedded in feed hopper 120, by cold water in water pipe, is cooled down so that charging is more smooth and easy by water pipe.
It addition, be connected to net-changing device 150 between the outer end of barrel 110 and runner 170, this net-changing device 150 is pillar hydraulic screen replacing device, easy to use, not material leakage.
Being connected to melt metering pump 180 between net-changing device 150 and runner 170, melt metering pump 180 measures accurately, makes melt pressure stable, good fluidity, it is possible to measure the amount of flow of melt in time.
The inside of runner 170 is provided with layers of chrome, and, to runner 170 polishing so that the flowing of melt is more smooth and easy.
In the present embodiment, the first above-mentioned power source 130 is motor, and motor is the alternating current generator of 11KW, energy-conserving and environment-protective.
In other embodiments, the first above-mentioned power source 130 can be cylinder, it is not limited to motor.
Being connected to reductor 140 between above-mentioned the first power source 130 and screw rod, reductor 140 is Hardened gear face high intensity reductor 140, and moment of torsion is big, and bearing capacity is strong.
In the present embodiment, the diameter 140mm of screw rod, and, adopting the Technology for Heating Processing of special construction design and special material, Screw Extrusion amount is big, plastifies, and intensity is high, and wearability is good,
For the ease of barrel 110 is heated, barrel 110 is connected to heater.
The specific works flow process of this extruder 100: before material extrusion, heat first to barrel 110, barrel 110 heating is the heater heating by being enclosed within outside barrel 110 circumference, before not reaching design temperature, do not allow to start motor, cooling blower when barrel 110 is heated to design temperature, can be adopted to be incubated, about continuation is incubated half an hour, after treating the abundant heat penetration of barrel 110, it is possible to reinforced extrusion.First low-speed running screw rod, 11-15 rev/min.Allow material slowly enrich barrel 110, check each district of screw rod, net-changing device 150, dosing pump, runner 170 each several part temperature whether normal.When melting charge flows out in film mouth gap, with copper sheet, steel wire lump, hard paraffin, film mouth gap is cleaned out, because being first material extrusion, inside melting charge, mixing much impurity, impurity must be cleaned out.To be extruded stable after, operate curtain coating the first frame 190, allow film stream cool down molding to chill roll.The thickness of detection membrane, in this, as foundation, regulates the film mouth gap on die head 160 and regulates screw, make thickness thin uniformly；Accelerate screw speed, regulate the rotating speed of subsidiary engine each several part roller simultaneously, make each several part synchronous operation.
Specifically, above-mentioned roller molding structure includes refrigeration system 270, and this refrigeration system 270 is connected with roller 220, before producing, it is necessary to opens refrigeration system 270 pair roller barrel 220 and cools down, in order to the smooth molding of later stage thin film.
Further, above-mentioned roller molding structure also includes bearing and planetary reducer, and the 3rd power source is connected with planetary reducer, is connected to bearing between planetary reducer and roller 220, two parallel placements of roller 220, has each independent drive system.
In the present embodiment, the 3rd above-mentioned power source is servomotor, operates with driven by servomotor roller 220, it is ensured that two roller synchronous axial system.
Certainly, in other embodiments, the 3rd above-mentioned power source can be motor, it is not limited to servomotor.
It addition, refrigeration system 270 can homoiothermic in scope, pump up, make cooling water at the uniform velocity flow through roller 220, take away rapidly heat, molten mass instantaneous crystallization becomes thin film.
In the present embodiment, two helical risers being driven rotation respectively by the 4th power source 260 of above-mentioned elevating mechanism, wherein, helical riser includes screw mandrel 261 and feed screw nut, and screw mandrel 261 is connected with the 4th power source 260, and feed screw nut is connected on screw mandrel 261, and the lower end of feed screw nut is connected with the second frame 210,4th power source 260 drives screw mandrel 261 synchronous rotary, and the second frame 210 is together with roller 220 synchronization lifting, the distance of adjustable die head 250 and roller 220.
It addition, elevating mechanism also includes motor reducer, sprocket wheel and chain, motor reducer is connected with sprocket wheel, it is connected with chain engagement by sprocket wheel between two helical risers, so, the second frame 210 is together with roller 220 synchronization lifting, the distance of adjustable die head 250 and roller 220.
In the present embodiment, malleation blowing cutter 230 is internal is provided with flow slowing device, makes the wind from malleation blowing cutter 230 blowout blow to film equably, allows film press close to roller better.
Malleation blowing cutter 230 is provided with blowing mouth, and this blowing mouth aligns with flow slowing device and roller 220 respectively.
Additionally, roller 220 be connected with cleaning roller 280, this cleaning roller 280 is connected with the second frame 210, because the molten mass flowed out from die head 250 die orifice contains a lot of precipitate, they can be attached on roll surface incessantly, and accumulation is formed for dirt, affects the surface quality of film, it is scheduled that a cleaning roller 280 in the lower section of roller 220, film can be allowed in time precipitate to be taken away.
Cleaning roller 280 is provided with helicla flute, and the precipitate on roller 220 can be taken away by helicla flute on cleaning roller 280 in time.
The present invention uses when being applicable to do Narrow format products (less than 1 meter).And the workflow of the present invention: before producing product, first start refrigeration system 270, until design temperature, by front and back lift adjustment, allow roller 220 and die head 250 be in correct position.Now, vacuum suction cover 240 and roller 220 are pressed close to as far as possible, to form vacuum space, regulate the position of malleation blowing cutter 230 simultaneously, allow air port just to film and roller 220 joint place.Operation cleaning roller 280, makes cleaning roller 280 compress roller 220, and the precipitate on roller 220 can be taken away by helicla flute on cleaning roller 280 in time.
Concrete, the 3rd above-mentioned power source is telescopic cylinder 360, and the end of the expansion link of this telescopic cylinder 360 is connected with pressure roller 340, and cylinder is released band dynamic pressure roller 340 and compressed heating roller 320 and draw roll 330.
More further, in order to improve the stationarity that telescopic cylinder 360 stretches with dynamic pressure roller 340, the end of telescopic cylinder 360 is provided with swing arm 350, swing arm 350 is connected with pressure roller 340, so, cylinder is released and is promoted swing arm 350 to swing, and the pressure roller 340 being arranged in swing arm 350 compresses heating roller 320 and draw roll 330.
In the process stretched, the pressure roller 340 power on draw roll 330 must assure that the pressure of each point is essentially the same, that pressure being accomplished by regulating two cylinders, additionally, swing arm 350 is provided with stop screw, simultaneously can regulate stop screw to finely tune the size of swing arm about 350 two ends power, thus reaching the effect that the pressure roller 340 power on draw roll 330 must assure that the pressure of each point is essentially the same.
In the present embodiment, it is provided with the first helical flow path in above-mentioned heating roller 320, the first helical flow path Nei Tongjia deep fat, the first helical flow path can make the surface temperature of heating roller 320 consistent, thin film is after two heating rollers 320, before the stretching by film heating to predetermined temperature.
Further, the steel rider that heating roller 320 polishes for chrome-faced；Certainly, heating roller 320 can for the roller of other chrome-faceds polishing, such as aluminum roller etc..
It addition, be provided with the second helical flow path in draw roll 330, the second helical flow path Nei Tongjia deep fat, the second helical flow path can make the surface temperature of draw roll 330 consistent, heat required when can provide film stretching continuously.
Further, the steel rider that draw roll 330 polishes for chrome-faced；Certainly, draw roll 330 can for the roller of other chrome-faceds polishing, such as aluminum roller etc..
And when stretching, can prevent again film from skidding, affect drawing effect.The lower end of the 3rd frame 310 is connected to pulley 370 so that all of roller be incorporated on wallboard, wallboard can move forward and backward with pulley 370, convenient operation.
Specifically, above-mentioned upper box 410 and lower box 420 include the steel plate, heat-insulation layer and the shell that are sequentially connected with respectively, and wherein, heat-insulation layer is between steel plate and shell；So, the heat that infrared ray heating tube 470 comes out, it is possible to preserve enduringly.
Further, it is provided with insulation fibre in heat-insulation layer, is incubated by insulation fibre.
In the present embodiment, the infrared heating device 400 of above-mentioned plastic sheeting also includes several and is driven the first deflector roll 460 rotated respectively by power source, several first deflector rolls 460 are respectively separated and are arranged in cavity volume, thin film after stretched, casing is entered from the side inlet of lower box 420, pass through outlet from the side after the first deflector roll 460, ask thin film to move ahead, do not allow film tenesmus deformation.All first deflector rolls 460 drive with a motor, it is ensured that every first deflector roll 460 run-in synchronism.
Fixing for the ease of baking oven, the infrared heating device 400 of above-mentioned plastic sheeting also includes frame 440, and above-mentioned baking oven is connected in frame 440.
Upper box 410 is connected to and drives upper box 410 to move up and down so that upper box 410 and lower box 420 cylinder 430 that closes or open, operate baking oven deciliter with cylinder 430, easy to operate.
In the present embodiment, frame 440 is provided with guidance panel and thermometer, it is provided with controller in frame 440, wherein guidance panel is provided with the button for arranging temperature, thermometer is used for showing oven interior temperature, and infrared ray heating tube 470, guidance panel and display floater are electrically connected with controller respectively.
Frame 440 be respectively arranged at two ends with outside deflector roll 450, outside deflector roll 450 correspondence respectively at frame 440 two ends is positioned at and exports and porch.
Thin film after stretched, enters casing from body side entrance, and after the first deflector roll 460, outlet passes from the side.By upper box 410 close push button, cylinder 430 shrinks, and upper lower box 420 closes, and sets the heating-up temperature of infrared heating system, spends 5-8 minute, checks thermometer, sees whether detection temperature reaches required stationary value, slowly regulates, until reaching temperature required.
Specifically, fixed mount 540 has extended vertically extension 550 upward, the side of adjustable housing 510 is formed with elevating bracket 521, and elevating bracket 521 is connected by regulating screw mandrel 560 with extension 550, it is possible to realized the up-down adjustment of adjustable housing 510 by adjustment screw mandrel 560 and elevating bracket 521.
Additionally, the outer end of elevating bracket 521 is connected to slide block 580, extension 550 is provided with slide rail, and this slide block 580 is slidably connected on slide rail 590, thus realizing the adjustability of adjustable housing 510, and, when regulating the upper-lower height of adjustable housing 510, slide block 580 coordinates with slide rail, it is possible to play spacing effect to adjustable housing 510, prevent adjustable housing 510 in adjustment process, the error of horizontal direction occurs.
Further, the end of above-mentioned extension 550 is connected to bearing block 570, regulates screw mandrel 560 and is plugged in bearing block 570 by bearing activity.
In the present embodiment, for the ease of connection and the installation of adjustable housing 510 and the second deflector roll 514, the lower end of above-mentioned adjustable housing 510 is connected to deflector roll installing plate 511, and the two ends of the second deflector roll 514 are connected on deflector roll installing plate 511.
Specifically, the both sides of above-mentioned deflector roll installing plate 511 extend vertically down, form vertical section 512, and the inner side of this vertical section 512 is connected to deflector roll seat 513, and the two ends of the second deflector roll 514 are connected in deflector roll seat 513 by bearing.Thus realizing the connection of the second deflector roll 514 and adjustable housing 510, by regulating the upper-lower height of adjustable housing 510, thus regulating the upper-lower height of the second deflector roll 514, and then reaching to regulate the height distance between the second deflector roll 514 and spiked roller 520, reaching to regulate the effect of fibre strength.
It addition, above-mentioned spiked roller 520 is fixedly connected on fixed mount 540 by rolling bearing units 530.
In the present embodiment, the front side end of above-mentioned fixed mount 540 is formed with the first rotation roller, and this first rotation roller is arranged with spiked roller 520 relative spacing.So, the thin film after last second deflector roll 514 leaves spiked roller 520 can rotate roller spiked roller 520 further away from each other through first.
For the ease of next step stretched operation, the lower end of fixed mount 540 is connected to travelling carriage 515, and the front side end of this travelling carriage 515 is connected to the second rotation roller 513, and second rotates roller 513 is positioned at the lower section of the first rotation roller.
Specifically, above-mentioned pendulum roller 650 is connected to support arm 660, the end of support arm 660 is connected to a rod 670, prop up rod 670 to be connected with the 5th power source 680,5th power source 680 drives and drives a rod 670 to stretch, propping up rod 670 promotes support arm 660 to swing, and the swing of support arm 660 swing with movable pendulum roller 650, thus driving the transport of thin film.
In the present embodiment, the 7th above-mentioned power source 680 is low rubbing cylinder, and low rubbing cylinder stretches scalable membrane tension.
In other embodiments, the 7th above-mentioned power source 680 can be motor, it is not limited to low rubbing cylinder.
Additionally, above-mentioned rubber roll component includes swing arm 692, cylinder 691, rubber roll 694 and guide rail 693, wherein, guide rail 693 is connected in the 4th frame 610, and rubber roll 694 is slidably connected on guide rail 693, swing arm 692 is connected to the lower section of guide rail 693, and is connected with cylinder 691, and the end of swing arm 692 is connected with rubber roll 694；So, when cylinder 691 stretches out, swing arm 692 swings outwardly, and the end of swing arm 692 drives rubber roll 694 to move outwardly, and rubber roll 694 is mobile outwardly to be contacted with Scroll 620, forms contact rolling；When cylinder 691 is retracted, swing arm 692 swings inwardly, and the end of swing arm 692 drives rubber roll 694 to move inwardly, and rubber roll 694 is mobile inwardly to be separated with Scroll 620, is formed and separates rolling.
The film walking around rubber roll component enters into Scroll 620, and the surface of rubber roll is provided with cross-helicity line, allows film be launched on intermembranous both sides when being adjacent to Scroll 620.
Above-mentioned upset assembly 640 includes turnover bracket and is driven the drive coordination wheel rotated by the 4th power source, wind-up roll is connected on turnover bracket, turnover bracket is connected with drive coordination wheel, 4th power source drives drive coordination wheel to rotate, drive turnover bracket overturns, thus driving the plastic film rolls on whole wind-up roll to overturn.
Above-mentioned upset assembly 640 includes motor reducer, and the 4th power source is connected with motor reducer, and motor reducer is connected with drive coordination wheel by bearing, thus realizing driving drive coordination wheel operating.
In the present embodiment, above-mentioned bearing is band plummer block housing bearing, and upset power is from motor and larger reduction ratio speed reduction, reductor is connected with turnover bracket central shaft, drive coordination wheel is arranged on one end of central shaft, by central shaft, transfers power on two Scrolls 620.
The splicing wrap-up 600 of above-mentioned plastic sheeting also includes gas expansion shaft assembly 630, and gas expansion shaft assembly 630 is connected on wind-up roll.May be used for regulate rolling plastic sheeting time tighten up degree.
Gas expansion shaft assembly 630 includes gas expansion shaft body, left axle, right axle and synchronous pulley, and the surface of gas expansion shaft body is provided with the withstanding tight block that can rise and fall, and during inflation, withstanding tight block floats, and holds out against refill inner core, and during aerofluxus, withstanding tight block sinks, and refill can be extracted out；The two ends of gas expansion shaft body correspondence respectively is fixed in left axle and right axle, and left axle is connected with synchronous pulley, and synchronous pulley drives the operating of left axle, and left axle drives the operating of gas expansion shaft body.
It addition, left axle and right axle are respectively provided with the draw-in groove at the two ends blocking gas expansion shaft body.
Right axle is provided with adjustment handle, it is possible to regulate the draw-in groove of left axle and the draw-in groove distance of right axle, it is simple to clamping gas expansion shaft.Gas expansion shaft body is steel mandrel, gas expansion shaft two ends are processed into square, during work, square spindle nose is stuck in the axle draw-in groove of left and right, screws locking nut, gas expansion shaft is fixed in axle, left axle is connected with Tong Bu tape spool, right axle intentionally handle, regulates handle, left axle draw-in groove and right axle draw-in groove distance can be regulated, it is simple to clamping gas expansion shaft.
Above-mentioned cutting membrane knife 695 assembly also includes chopper cylinder 696, and this chopper cylinder 696 is connected with cutting membrane knife 695.
In the present embodiment, the 4th frame 610 includes stay tube and a foot support, and foot support is connected to the lower end of a stay tube, and above-mentioned pendulum roller 650, rubber roll component, cuts membrane structure and upset assembly 640 is connected on a stay tube；Foot support is used for fixing the 4th frame 610 and the 4th frame 610 level of adjustment, and remaining component is all connect with screw, is fixed in the 4th frame 610.
That puts roller 650 is also arranged above the 3rd deflector roll.
Enter the film of rolling part, through pendulum roller 650 and the 3rd deflector roll, when swing arm 692 swings, represent that the tension force of film changes, this change will be amplified N times and be passed to precision potentiator, ensureing constant tension during film rolling, the low rubbing cylinder 691 being connected with swing arm 692 must provide for correspondingly sized counteracting force.
The film walking around rubber roll component enters into Scroll 620, rubber roll component surface car has cross-helicity line, allows film be launched on intermembranous both sides when being adjacent to Scroll 620, along with coil diameter increases, swing arm cylinder 691 slowly shrinks, and keeps rubber roll component and Scroll 620 upward pressure constant.When rolling is to when setting coil diameter, swing arm cylinder 691 rapid backward, turnover bracket begins turning, and after new Scroll 620 arrives take-up position, swing arm cylinder 691 quickly propels, and rubber roll component is adjacent to Scroll 620.At this moment, chopper cylinder 696 action, drive and cut film to by film cut-out, rolling action completes.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (10)
1. full-automatic plastic membrane production equipment, it is characterised in that include extruder, shaped device, two stretching devices, infrared heating device, needling device and splicing wrap-up；
Described extruder includes the first frame, the screw rod rotated is driven by the first power source, barrel, feed hopper, runner and die head, described screw rod, barrel, feed hopper, runner and die head are connected in described first frame, described screw rod is embedded in described barrel, and the inner and described feed hopper of described barrel is connected, the outer end of described barrel is connected with described die head by described runner, it is provided with cooling structure in described feed hopper, the film mouth gap that melting charge flows out it is provided with mean in described die head, and the outer end of described die head is connected to the adjustment structure of the size for regulating described film mouth gap；
Described shaped device includes the second frame, it is located at the roller molding structure below described die head and the elevating mechanism for the distance between adjusting roller molding structure and die head, described elevating mechanism and described roller molding structure are connected to the upper end of described second frame, described roller molding structure includes two and is driven the roller rotated respectively by the first power source, article two, described roller is arranged in parallel, and the inner side of described roller is provided with vacuum suction cover, vacuum area is formed between described vacuum suction cover and described roller, the outside of described roller is connected to malleation blowing cutter；
Described stretching device includes being positioned at the 3rd frame of the side of described shaped device, two articles by the, power source drives the heating roller and four bars of draw rolls that rotate, described heating roller and described draw roll are connected in described 3rd frame, and the side of described heating roller and described draw roll is provided with auxiliary press mold structure, described auxiliary press mold structure includes being driven flexible pressure roller by the second power source；
Described infrared heating device includes baking oven and several infrared heating pipe, described baking oven be respectively arranged at two ends with described stretching device；Described baking oven includes the lower box of upper box and upper end open, described upper box and described lower box are connected through the hinge, formation cavity volume is enclosed between described upper box and described lower box, several described infrared ray heating tube intervals are arranged in described upper box, two sides of described lower box are correspondingly provided with the entrance for plastic sheeting traverse respectively and outlet, described entrance and described outlet connect with described cavity volume respectively；
Described needling device includes adjustable housing, spiked roller and is positioned at the fixed mount of side of second described stretching device, described adjustable housing is slidably connected on described fixed mount, described spiked roller is fixedly connected on described fixed mount, described adjustable housing is connected to two the second deflector rolls, and described spiked roller is between two described second deflector rolls, described spiked roller is provided with several spaced apart prickers；
Described splicing wrap-up, including the 4th frame of the side being positioned at described needling device, the 4th power source driving the pendulum roller, the rubber roll component that swing, the 5th power source drive the Scroll rotated, cut membrane structure and overturn assembly, described pendulum roller, rubber roll component, cut membrane structure and upset assembly is connected to the upper end of described frame, described wind-up roll is positioned at the side of described frame, described in cut membrane structure and include being driven flexible cutting membrane knife by the 6th power source；Described Scroll is connected to the upper end of described upset assembly.
2. full-automatic plastic membrane production equipment as claimed in claim 1, it is characterised in that described adjustment structure is for regulating screw；Described first frame is provided with chill roll, and described chill roll is located at the lower section of described die head.
3. a kind of Novel extrusion machine as claimed in claim 2, it is characterised in that described cooling structure includes water pipe, and described water pipe is in the shape of a spiral around being embedded in described feed hopper；It is connected to net-changing device between outer end and the described runner of described barrel.
4. a kind of Novel extrusion machine as claimed in claim 1, it is characterized in that, described elevating mechanism two is driven the helical riser rotated respectively by the 4th power source, described helical riser includes screw mandrel and feed screw nut, described screw mandrel is connected with described 4th power source, described feed screw nut is connected on described screw mandrel, and the lower end of described feed screw nut is connected with described second frame.
5. a kind of Novel extrusion machine as claimed in claim 1, it is characterised in that described second power source is telescopic cylinder, and the end of the expansion link of described telescopic cylinder is connected with described pressure roller；The end of described telescopic cylinder is provided with swing arm, and described swing arm is connected with described pressure roller；Described swing arm is provided with stop screw.
6. the stretching device of plastic sheeting as claimed in claim 1, it is characterised in that described upper box and described lower box include the steel plate, heat-insulation layer and the shell that are sequentially connected with respectively, and described heat-insulation layer is between described steel plate and described shell；It is provided with insulation fibre in described heat-insulation layer.
7. the stretching device of plastic sheeting as claimed in claim 1, it is characterised in that described fixed mount has extended vertically extension upward, the side of described adjustable housing is formed with elevating bracket, and described elevating bracket is connected by regulating screw mandrel with described extension.
8. the stretching device of plastic sheeting as claimed in claim 7, it is characterised in that the outer end of described elevating bracket is connected to slide block, and described extension is provided with slide rail, and described skid is connected on described slide rail；The end of described extension is connected to bearing block, and described adjustment screw mandrel is plugged in described bearing block by bearing activity.
9. the stretching device of plastic sheeting as claimed in claim 1, it is characterised in that being connected to support arm on described pendulum roller, the end of described support arm is connected to a rod, and described rod is connected with described 5th power source.
10. the stretching device of plastic sheeting as claimed in claim 9, it is characterized in that, described rubber roll component includes swing arm, cylinder, rubber roll and guide rail, described guide rail is connected in described 4th frame, and described rubber roll is slidably connected on described guide rail, described swing arm is connected to the lower section of described guide rail, and is connected with described cylinder, and the end of described swing arm is connected with described rubber roll.
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| CN201610233777.1A CN105729817A (en) | 2016-04-15 | 2016-04-15 | Full-automatic plastic film production equipment |
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| CN201610233777.1A CN105729817A (en) | 2016-04-15 | 2016-04-15 | Full-automatic plastic film production equipment |
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| CN111660547A (en) * | 2020-06-17 | 2020-09-15 | 金华市小狸新材料科技有限责任公司 | Plastic film pressing equipment |
| CN116476416A (en) * | 2022-12-17 | 2023-07-25 | 青岛新大成塑料机械有限公司 | EVA adhesive film extrusion production line and control method thereof |
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Application publication date: 20160706 |