CN114987026B - Bicolor shading film and preparation method thereof - Google Patents

Bicolor shading film and preparation method thereof Download PDF

Info

Publication number
CN114987026B
CN114987026B CN202210704619.5A CN202210704619A CN114987026B CN 114987026 B CN114987026 B CN 114987026B CN 202210704619 A CN202210704619 A CN 202210704619A CN 114987026 B CN114987026 B CN 114987026B
Authority
CN
China
Prior art keywords
rotating shaft
sliding
feeding
gear
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210704619.5A
Other languages
Chinese (zh)
Other versions
CN114987026A (en
Inventor
何建雄
黄春华
何杨林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Xionglin New Material Science & Technology Co ltd
Original Assignee
Suzhou Xionglin New Material Science & Technology Co ltd
Shanghai Xionglin New Material Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Xionglin New Material Science & Technology Co ltd, Shanghai Xionglin New Material Technology Co ltd filed Critical Suzhou Xionglin New Material Science & Technology Co ltd
Priority to CN202210704619.5A priority Critical patent/CN114987026B/en
Publication of CN114987026A publication Critical patent/CN114987026A/en
Application granted granted Critical
Publication of CN114987026B publication Critical patent/CN114987026B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/552—Fatigue strength
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Transmission Devices (AREA)

Abstract

The invention provides a bicolor shading film and a preparation method thereof, wherein the bicolor shading film comprises: the light shading layer is arranged on the upper surface of the dark shading layer. According to the invention, the dark shading layer can effectively block light, the shading effect is good, the light shading layer has a light reflecting effect, the dark shading layer is prevented from being aged rapidly by directly irradiating the dark shading layer, and the service life of the whole bicolor shading film is prolonged.

Description

Bicolor shading film and preparation method thereof
Technical Field
The invention relates to the technical field of TPU films, in particular to a bicolor shading film and a preparation method thereof.
Background
The thermoplastic polyurethane elastomer is also called thermoplastic polyurethane rubber, and is called TPU for short, and is An (AB) n-type block linear polymer, A is polyester or polyether with high molecular weight (1000-6000), B is glycol containing 2-12 straight chain carbon atoms, and the chemical structure between AB chain segments is diisocyanate. Thermoplastic polyurethane rubber is crosslinked by intermolecular hydrogen bond or slightly crosslinked between macromolecular chains, and the two crosslinking structures have reversibility along with the rise or fall of temperature. The intermolecular force is weakened in a molten state or a solution state, and the strong intermolecular force is connected together after cooling or solvent volatilization, so that the original solid performance is recovered.
At present, TPU is widely applied to the aspects of medical treatment and health, electronic appliances, industry, sports and the like, has the characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, ageing resistance, weather resistance and the like which are incomparable with other plastic materials, and simultaneously has a plurality of excellent functions of high waterproof moisture permeability, wind resistance, cold resistance, antibiosis, mildew resistance, warmth retention, ultraviolet resistance, energy release and the like.
The black full-shading film is formed by blowing a master batch made of 74% of polyurethane TPU, 18% of carbon black and 8% of copper chrome black powder, the thickness of the black full-shading film is 0.8-5 filaments, the width of the black full-shading film is 500-3300 cm, and the product made by adopting the method has the advantages of extremely soft hand feeling, good waterproof and breathable performances, heat preservation and moisture preservation, strong sunlight and infrared irradiation resistance, good shading, water washing resistance and environmental protection; however, because the shading film needs to shade light for a long time, and the black full shading film of polyurethane TPU absorbs heat obviously in the use, the black shading film is easy to age fast because of absorbing heat, the service life of the shading film is reduced, and the problem that TPU particles are hardened and agglomerated can occur when the TPU particles are stored for a long time is solved, and in the process of preparing the shading film, the agglomerated TPU particles are required to be scattered manually in order to facilitate the mixing of the TPU particles, so the labor intensity of staff is increased.
Disclosure of Invention
The invention provides a bicolor shading film and a preparation method thereof, which are used for solving the technical problems that the prior black shading film is easy to age rapidly due to heat absorption, the service life of the shading film is shortened, and in the process of preparing the shading film, agglomerated TPU particles are required to be scattered manually, so that the labor intensity of staff is high.
In order to solve the technical problems, the invention discloses a bicolor shading film, which comprises the following components: the light shading layer is arranged on the upper surface of the dark shading layer.
Preferably, the light-colored light-shielding layer comprises the following light-colored preparation raw materials in parts by weight: 10-20 parts of light-colored master batch, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate;
the dark preparation raw materials of the dark shading layer comprise the following components in parts by weight: 10-20 parts of carbon black, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate.
The invention also provides a preparation method of the bicolor shading film, which is used for preparing the bicolor shading film and comprises the following steps:
step 1: scattering the light-color preparation raw materials and the dark-color preparation raw materials through a feeding device, respectively stirring and mixing, and then baking;
Step 2: respectively putting the baked light-color preparation raw materials and dark-color preparation raw materials into an inner spiral runner and an outer spiral runner of a screw extruder, and simultaneously carrying out melt extrusion and blow molding by a blow molding machine to prepare a film tube;
step 3: and symmetrically cutting the middle part of the film tube along the axial direction, and then rolling to obtain the bicolor shading film.
Preferably, in the step 1, two stirring devices are selected first, two stirring devices are provided with feeding devices, the output ends of the feeding devices are communicated with the input ends of the stirring devices, the output ends of the stirring devices are communicated with the input ends of the baking cylinders, light-color preparation raw materials and dark-color preparation raw materials are respectively added into the two stirring devices through the feeding devices, and are simultaneously stirred and mixed, and after the light-color preparation raw materials and the dark-color preparation raw materials in the two stirring devices are uniformly mixed, the stirred light-color preparation raw materials and the stirred dark-color preparation raw materials are simultaneously added into the corresponding baking cylinders for baking.
Preferably, in the step 1, the baking temperature of the baking barrel is 125-130 ℃ and the baking time is 35-55 min.
Preferably, in the step 2, the screw extruder and the blow molding machine are integrally designed.
Preferably, in the step 2, the heating temperature of the screw extruder is 170 ℃ to 210 ℃.
Preferably, in the step 3, cutting knives are symmetrically arranged on the front and rear sides of the film tube, the cutting knives symmetrically cut along the axis direction of the middle part of the film tube and divide the film tube into two groups of two-color shading films, winding devices are symmetrically arranged on the left and right sides of the film tube, and the two winding devices wind the two groups of two-color shading films respectively.
Preferably, the feeding device comprises:
the feeding box is provided with a feeding pipe at the upper end, the lower end of the feeding pipe is communicated with the inside of the feeding box, the upper end of the feeding pipe is funnel-shaped, and the lower end of the feeding pipe is circular-tube-shaped;
the first sieve plate is arranged at the lower end of the feeding pipe, and the periphery of the first sieve plate is fixedly connected with the inner wall of the feeding pipe;
the second sieve plate is arranged in the feeding box in a sliding manner, a first sliding rod is arranged on the upper surface of the right side of the second sieve plate, one end of the first sliding rod is fixedly connected with the upper surface of the second sieve plate, the other end of the first sliding rod penetrates through the upper end of the feeding box and extends to the outside of the feeding box, a first roller is arranged on the other end of the first sliding rod, the first sliding rod is in sliding connection with the top wall of the feeding box, a first baffle is fixedly arranged on the first sliding rod, the first baffle is positioned above the feeding box, a first spring is arranged between the first baffle and the upper surface of the feeding box, one end of the first spring is fixedly connected with the lower surface of the first baffle, and the other end of the first spring is fixedly connected with the upper surface of the feeding box;
The discharging pipe is positioned below the second sieve plate, the upper end of the discharging pipe is in a funnel shape, the lower end of the discharging pipe is in a round pipe shape, the periphery of the upper end of the discharging pipe is fixedly connected with the inner wall of the feeding box, and the lower end of the discharging pipe penetrates through the bottom wall of the feeding box, extends to the outside of the feeding box and is communicated with the input end of the stirring device;
the protective cover is arranged at the upper end of the feeding box, the lower end of the protective cover is fixedly connected with the upper end of the feeding box, and a feeding hole is formed in the front side of the protective cover;
the first motor is arranged in the protective cover, the fixed end of the first motor is fixedly connected with the top wall of the protective cover, the output end of the first motor is provided with a first rotating shaft, a first bevel gear and a first gear are sequentially arranged on the first rotating shaft from top to bottom, and the first gear is an incomplete gear;
the second rotating shaft is perpendicular to the first rotating shaft, one end of the second rotating shaft is rotationally connected with the inner wall on the right side of the protective cover, a second bevel gear and a cam are sequentially arranged on the second rotating shaft from left to right, the second bevel gear is meshed with the first bevel gear, and the periphery of the cam is abutted to the upper end of the first roller;
The third rotating shaft is positioned at the left side of the first rotating shaft, the upper end of the third rotating shaft is rotationally connected with the inner wall of the top of the protective cover, a limiting disc, a third bevel gear, a second gear and a first rotating disc are sequentially arranged on the third rotating shaft from top to bottom, four limiting grooves are uniformly arranged at equal intervals on the periphery of the limiting disc, the limiting grooves are arranged to be hemispherical, the second gear is intermittently meshed with the first gear, four sliding holes are formed in the first rotating disc along the circumferential direction, the four sliding holes are distributed in an annular array, and the upper end and the lower end of each sliding hole penetrate through the upper surface and the lower surface of the first rotating disc respectively;
the limiting post is arranged at the rear of the limiting disc, one end of the limiting post is fixedly connected with the inner wall of the rear side of the protective cover, a mounting hole is formed in the end, close to the third rotating shaft, of the limiting post, a limiting rod is slidably arranged in the mounting hole, a second spring is arranged at one end, far away from the limiting disc, of the limiting rod, one end of the second spring is fixedly connected with the limiting rod, the other end of the second spring is fixedly connected with the inner wall of the mounting hole, one end, far away from the second spring, of the limiting rod extends into the limiting groove, and one end, close to the limiting groove, of the limiting rod is matched with the inner wall of the limiting groove;
The sliding column is arranged in the sliding hole in a sliding way, the upper end of the sliding column extends to the upper side of the first rotating disc and is provided with a second baffle, the lower end of the sliding column extends to the lower side of the first rotating disc and is provided with a knocking block, the upper end and the lower end of the knocking block are respectively in a round table shape, and the diameters of the four knocking blocks are gradually increased;
the third spring is sleeved on the sliding column, one end of the third spring is fixedly connected with the upper surface of the first rotating disc, and the other end of the third spring is fixedly connected with the lower surface of the second baffle;
the fourth rotating shaft is positioned behind the third rotating shaft, the fourth rotating shaft is perpendicular to the third rotating shaft, the rear end of the fourth rotating shaft is rotationally connected with the inner wall of the rear side of the protective cover, a third gear and a fourth bevel gear are sequentially arranged on the fourth rotating shaft from back to front, and the fourth bevel gear is meshed with the third bevel gear;
the lower pressing column is arranged right above the feeding pipe, the lower pressing column is concentric with the feeding pipe, the upper end of the lower pressing column penetrates through the top wall of the protective cover, extends to the outside of the protective cover and is provided with a third baffle, the center of the lower pressing column is provided with a strip hole, and the strip hole penetrates through the front side wall and the rear side wall of the lower pressing column;
The fourth spring is sleeved on the pressing post, one end of the fourth spring is fixedly connected with the lower surface of the third baffle, and the other end of the fourth spring is fixedly connected with the upper surface of the protective cover;
the fifth rotating shaft is positioned behind the lower pressing column, the fifth rotating shaft is perpendicular to the lower pressing column, the rear end of the fifth rotating shaft is rotationally connected with the inner wall of the rear side of the protective cover, the front end of the fifth rotating shaft penetrates through the strip hole and extends to the front of the lower pressing column and is provided with an electric telescopic rod, the electric telescopic rod is perpendicular to the fifth rotating shaft, one end of the electric telescopic rod is fixedly connected with the front end of the fifth rotating shaft, the other end of the electric telescopic rod is fixedly provided with a swinging rod, and one end of the swinging rod, which is far away from the fifth rotating shaft, is provided with a second roller;
the fourth gear is arranged on the fifth rotating shaft, is positioned behind the pressing column and is an incomplete gear, and is meshed with the third gear intermittently;
the fourth baffle is fixedly arranged on the front side wall of the pressing column and is positioned above the fifth rotating shaft.
Preferably, the winding device comprises:
the front end and the rear end of the winding box are both open ends, the upper end of the winding box is provided with an opening, the front end and the rear end of the winding box are symmetrically provided with fixing plates, and the upper end of each fixing plate is fixedly connected with the inner wall of the upper end of the winding box;
the six rotating shafts are arranged between the two fixed plates, the front end and the rear end of each six rotating shaft are respectively connected with the inner walls of the fixed plates on the front side and the rear side in a rotating way, the rear end of each six rotating shaft extends to the rear of the corresponding fixed plate on the rear side and is provided with a first sprocket, a winding roller is arranged on each six rotating shaft, one end of each double-color shading film is wound on each winding roller through the corresponding opening, and each winding roller is used for winding the corresponding double-color shading film;
the sliding plate is arranged in the winding box in a sliding way, and the left end and the right end of the sliding plate are respectively connected with the inner walls of the left side and the right side of the winding box in a sliding way;
the fifth spring is arranged on the lower surface of the sliding plate, one end of the fifth spring is fixedly connected with the lower surface of the sliding plate, and the other end of the fifth spring is fixedly connected with the bottom wall of the winding box;
the base is arranged on the left side of the winding box, and the right end of the base is fixedly connected with the left side wall of the winding box;
The first vertical plate is fixedly arranged on the upper surface of the base and is perpendicular to the base;
the second vertical plate is fixedly arranged on the upper surface of the base and is perpendicular to the base;
the second motor is arranged on the left side wall of the winding box, and the output end of the second motor is provided with a first spline shaft;
the second spline shaft is arranged on the right side wall of the first vertical plate, the second spline shaft is concentric with the first spline shaft, the left end of the second spline shaft is rotationally connected with the right side wall of the first vertical plate, and a gap exists between the second spline shaft and the first spline shaft;
the spline housing is sleeved at the right end of the second spline shaft at one end, sleeved at the left end of the first spline shaft at the other end, and the inner wall of the spline housing is respectively matched with the first spline shaft and the second spline shaft;
a fifth bevel gear disposed on the second spline shaft;
the seventh rotating shaft is positioned behind the second spline shaft, the rear end of the seventh rotating shaft is rotationally connected with the front side wall of the second vertical plate, a second sprocket and a sixth bevel gear are sequentially arranged on the seventh rotating shaft from back to front, the sixth bevel gear is meshed with the fifth bevel gear, and the second sprocket is in transmission connection with the first sprocket through a chain;
The sliding block is arranged at the left end of the sliding plate and is in sliding connection with the front side wall of the winding box;
the sliding rail is arranged on the base, and a sliding table is arranged on the sliding rail in a sliding manner;
the first connecting rod is arranged between the sliding table and the sliding block, one end of the first connecting rod is hinged with the front side wall of the sliding block, and the other end of the first connecting rod is hinged with the front side wall of the sliding table;
the second connecting rod is arranged between the sliding table and the spline housing, one end of the second connecting rod is fixedly connected with the upper end of the sliding table, the other end of the second connecting rod is rotatably connected with the spline housing through a bearing, the bearing housing is arranged on the outer wall of the spline housing, the inner ring of the bearing is fixedly connected with the outer wall of the spline housing, and the outer ring of the bearing is fixedly connected with the upper end of the second connecting rod;
the rack is vertically arranged at the right end of the sliding plate, and one side, away from the sliding plate, of the rack is provided with teeth;
the eighth rotating shaft is arranged on the right side of the rack, the rear end of the eighth rotating shaft is rotationally connected with the front side wall of the winding box, a meshing gear and a first belt pulley are sequentially arranged on the eighth rotating shaft from back to front, and the meshing gear is meshed with the rack;
The mounting plate is arranged at the upper end of the winding box, the mounting plate is positioned on the right side of the opening, a ninth rotating shaft is arranged on the front side wall of the mounting plate, the rear end of the ninth rotating shaft is rotationally connected with the front side wall of the mounting plate, a third belt pulley and a second belt pulley are sequentially arranged on the ninth rotating shaft from back to front, and the second belt pulley is in transmission connection with the first belt pulley through a first conveying belt;
the guide plate is vertically arranged at the upper end of the winding box, the guide plate is positioned at the left side of the opening, and the lower end of the guide plate is fixedly connected with the upper end of the winding box;
the tenth rotating shaft is arranged on one side, close to the guide plate, of the mounting plate, the tenth rotating shaft is parallel to the ninth rotating shaft, the rear end of the tenth rotating shaft is rotationally connected with the front side wall of the mounting plate, a fourth belt pulley is arranged on the tenth rotating shaft, and the fourth belt pulley is in transmission connection with the third belt pulley through a second conveying belt;
the dead lever, the dead lever sets up tenth pivot front end, the dead lever perpendicular to tenth pivot, tenth pivot upper end with tenth pivot front end fixed connection, tenth pivot lower extreme sets up the cutting off knife, the cutting off knife is used for cutting off double-colored shading film.
The technical scheme of the invention has the following advantages: the invention provides a bicolor shading film and a preparation method thereof, wherein the bicolor shading film comprises: the light shading layer is arranged on the upper surface of the dark shading layer. According to the invention, the dark shading layer can effectively block light, the shading effect is good, the light shading layer has a light reflecting effect, the dark shading layer is prevented from being aged rapidly by directly irradiating the dark shading layer, and the service life of the whole bicolor shading film is prolonged. The invention also provides a preparation method of the double-color shading film, which comprises the steps of automatically scattering the preparation raw materials through the feeding device, replacing manual operation, reducing labor intensity, improving production efficiency, saving cost, effectively blocking light by utilizing the deep-color preparation raw materials to prepare the deep-color shading film, ensuring good shading effect, and utilizing the light-color preparation raw materials to prepare the light-color shading layer to have a light reflection effect, avoiding the accelerated aging of the deep-color shading layer caused by direct irradiation of the light to the deep-color shading layer, and prolonging the whole service life of the double-color shading film.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objects and other advantages of the invention may be realized and attained by means of the instrumentalities particularly pointed out in the written description and the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a structure of a bi-color mask according to the present invention;
FIG. 2 is a schematic diagram showing steps of a method for preparing a bicolor light-shielding film according to the present invention;
FIG. 3 is a layout of a manufacturing apparatus according to the present invention;
FIG. 4 is a schematic view of the internal structure of the feeding device according to the present invention;
FIG. 5 is a left side view of the stop lever of the present invention;
FIG. 6 is an enlarged view of the invention at A in FIG. 4;
FIG. 7 is a schematic diagram of the internal structure of the winding device in the invention;
FIG. 8 is a layout of a winding apparatus according to the present invention.
In the figure: 1. a feeding device; 2. a screw extruder; 3. a blow molding machine; 4. a membrane tube; 5. a two-color light shielding film; 6. a stirring device; 7. a roasting charging barrel; 8. a cutting knife; 9. a winding device; 10. a feed box; 11. a feed pipe; 12. a first screen plate; 13. a second screen plate; 14. a first slide bar; 15. a first roller; 16. a first baffle; 17. a first spring; 18. a discharge pipe; 19. a protective cover; 20. a first motor; 21. a first rotating shaft; 22. a first bevel gear; 23. a first gear; 24. a second rotating shaft; 25. a second bevel gear; 26. a cam; 27. a third rotating shaft; 28. a limiting disc; 29. a third bevel gear; 30. a second gear; 31. a first rotating disc; 32. a limit groove; 33. a limit column; 34. a mounting hole; 35. a limit rod; 36. a second spring; 37. a sliding column; 38. a second baffle; 39. knocking the block; 40. a third spring; 41. a fourth rotating shaft; 42. a third gear; 43. a fourth bevel gear; 44. pressing down a column; 45. a third baffle; 46. a slit hole; 47. a fourth spring; 48. a fifth rotating shaft; 49. an electric telescopic rod; 50. a swinging rod; 51. a second roller; 52. a fourth gear; 53. a fourth baffle; 54. a winding box; 55. an opening; 56. a fixing plate; 57. a sixth rotating shaft; 58. a first sprocket; 59. a wind-up roll; 60. a sliding plate; 61. a fifth spring; 62. a base; 63. a first riser; 64. a second riser; 65. a second motor; 66. a first spline shaft; 67. a second spline shaft; 68. a spline housing; 69. a fifth bevel gear; 70. a seventh rotation shaft; 71. a second sprocket; 72. a second bevel gear; 73. a chain; 74. a sliding block; 75. a slide rail; 76. a sliding table; 77. a first connecting rod; 78. a second connecting rod; 79. a rack; 80. an eighth rotation shaft; 81. a meshing gear; 82. a first pulley; 83. a mounting plate; 84. a ninth rotation shaft; 85. a third pulley; 86. a second pulley; 87. a first conveyor belt; 88. a guide plate; 89. a tenth rotation shaft; 90. a fourth pulley; 91. a second conveyor belt; 92. a fixed rod; 93. a cutting knife; 94. a light-colored light-shielding layer; 95 dark shade.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
Example 1
As shown in fig. 1, the present invention provides a bi-color light shielding film comprising:
A light-shielding layer 94 and a dark-shielding layer 95, wherein the light-shielding layer 94 is disposed on the upper surface of the dark-shielding layer 95;
the light-colored light-shielding layer 94 is prepared from the following raw materials in parts by weight: 10-20 parts of light-colored master batch, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate;
the dark preparation raw materials of the dark shading layer 95 comprise the following components in parts by weight: 10-20 parts of carbon black, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate.
The working principle and the beneficial effects of the technical scheme are as follows: the light shading layer 94 is arranged on the upper surface of the dark shading layer 95, the dark shading layer 95 can effectively block light, the shading effect is good, the light shading layer 94 has a light reflecting effect, the dark shading layer 95 is prevented from being aged in an accelerated manner by directly irradiating the dark shading layer 95, and the whole service life of the double-color shading film 5 is prolonged.
The embodiment of the invention also provides a preparation method of the bicolor shading film, which is used for preparing the bicolor shading film, and as shown in fig. 2-8, the preparation method comprises the following steps:
step 1: scattering the light-color preparation raw materials and the dark-color preparation raw materials through the feeding device 1, respectively stirring and mixing, and then baking;
step 2: respectively putting the baked light-color preparation raw materials and dark-color preparation raw materials into an inner spiral runner and an outer spiral runner of a screw extruder 2, and simultaneously carrying out melt extrusion and blow molding by a blow molding machine 3 to prepare a film tube 4;
Step 3: and symmetrically cutting the middle part of the film tube 4 along the axial direction, and then rolling to obtain the bicolor shading film 5.
The working principle and the beneficial effects of the technical scheme are as follows: first, a light-colored preparation raw material for preparing the light-colored light-shielding layer 94 and a dark-colored preparation raw material are prepared, respectively, the light-colored preparation raw material comprising, in parts by weight: 10-20 parts of light-colored master batch, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate, wherein the dark-colored preparation raw materials are used for preparing a dark-colored shading layer 95 and comprise the following components in parts by weight: 10-20 parts of carbon black, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate, and scattering the light-color preparation raw materials and the dark-color preparation raw materials through a feeding device 1, respectively stirring and mixing, and then baking; then, respectively putting the baked light-color preparation raw materials and dark-color preparation raw materials into an inner spiral runner and an outer spiral runner of a screw extruder 2, and simultaneously carrying out melt extrusion and then carrying out blow molding by a blow molding machine 3 to obtain a film tube 4; finally, the middle part of the film tube 4 is symmetrically cut along the axis direction and then rolled to obtain the double-color shading film 5, and the preparation raw materials are automatically scattered through the feeding device 1 to replace manual operation, so that the labor intensity is reduced, the production efficiency is improved, the cost is saved, the deep color shading film 5 is manufactured, the deep color shading layer 95 is manufactured by using the deep color preparation raw materials, the light is effectively blocked, the shading effect is good, the light reflection effect is achieved by using the light color preparation raw materials to manufacture the light color shading layer 94, the deep color shading layer 95 is prevented from being accelerated to age by directly irradiating the light ray, and the whole service life of the double-color shading film 5 is prolonged.
Example 2
On the basis of the above embodiment 1, as shown in fig. 3, in the step 1, two stirring devices 6 are selected first, a feeding device 1 is disposed on each of the two stirring devices 6, an output end of the feeding device 1 is communicated with an input end of the stirring device 6, an output end of the stirring device 6 is communicated with an input end of a baking cylinder 7, light-color preparation raw materials and dark-color preparation raw materials are respectively added into the two stirring devices 6 through the feeding device 1, and are simultaneously stirred and mixed, and after the light-color preparation raw materials and the dark-color preparation raw materials in the two stirring devices 6 are uniformly mixed, the stirred light-color preparation raw materials and the stirred dark-color preparation raw materials are simultaneously added into the corresponding baking cylinder 7 for baking;
in the step 1, the baking temperature of the baking material cylinder 7 is 125-130 ℃ and the baking time is 35-55 min.
The working principle and the beneficial effects of the technical scheme are as follows: the preparation device is needed in the preparation process, the preparation device comprises a feeding device 1, a stirring device 6, a roasting charging barrel 7, a screw extruder 2, a blow molding machine 3 and a winding device 9 which are sequentially communicated, two stirring devices 6 are needed to be arranged for improving the preparation efficiency, the stirring devices 6 are all existing plastic drying and stirring machines, the feeding device 1 is independently arranged on the stirring devices 6, light-colored preparation raw materials are added to one stirring device 6 through the feeding device 1, dark-colored preparation raw materials are then added to the other stirring device 6 through the feeding device 1, the two stirring devices 6 are simultaneously started, the internal preparation raw materials can be uniformly mixed after the stirring devices 6 are started, then the light-colored preparation raw materials and the dark-colored preparation raw materials which are uniformly mixed are respectively added into the two roasting charging barrels 7 to be independently roasted, the roasting charging barrels 7 are the existing vertical type material roasting machine for injection molding, the roasting temperature of the roasting charging barrels 7 is between 125 ℃ and 130 ℃, the roasting time is between 35min and 55min, the adhesiveness between various raw materials can be improved, subsequent extrusion molding is facilitated, the strength of a double-colored film 5 is increased, the automatic output end of the stirring device 6 and the automatic stirring device 7 are directly connected with the automatic charging barrel 7, the automatic stirring device is connected with the automatic stirring device is realized, the production cost is reduced, and the raw material cost is shortened, and the raw material is directly connected to the automatic feeding device is connected to the raw materials.
Example 3
On the basis of example 1 or 2, as shown in fig. 3, in the step 2, the screw extruder 2 and the blow molding machine 3 are integrally designed;
in the step 2, the heating temperature of the screw extruder 2 is 170 ℃ to 210 ℃.
The working principle and the beneficial effects of the technical scheme are as follows: the screw extruder 2 and the blow molding machine 3 are integrally designed, so that the integration of the preparation device is realized, the occupied area of equipment is reduced, the heating temperature of the screw extruder 2 is 170-210 ℃, and the light-color preparation raw materials and the dark-color preparation raw materials can be fully melted.
Example 4
On the basis of any one of embodiments 1 to 3, as shown in fig. 8, in the step 3, cutting knives 8 are symmetrically arranged on the front side and the rear side of the film tube 4, the cutting knives 8 symmetrically cut along the axis direction of the middle part of the film tube 4 and divide the film tube into two groups of two-color shading films 5, winding devices 9 are symmetrically arranged on the left side and the right side of the film tube 4, and the two winding devices 9 wind the two groups of two-color shading films 5 respectively.
The working principle and the beneficial effects of the technical scheme are as follows: the cutting knife 8 is symmetrically arranged around the membrane tube 4, the cutting knife 8 can be fixed on the front side and the rear side of the membrane tube 4 through the support, then the membrane tube 4 is cut into two groups of two-color shading films 5 which are bilaterally symmetrical by the cutting knife 8, the winding devices 9 are symmetrically arranged on the left side and the right side of the membrane tube 4, and winding can be completed on the two groups of two-color shading films 5 by the aid of the two winding devices 9.
Example 5
On the basis of any one of the embodiments 1 to 4, as shown in fig. 4 to 6, the feeding device 1 includes:
the feeding box 10, wherein a feeding pipe 11 is arranged at the upper end of the feeding box 10, the lower end of the feeding pipe 11 is communicated with the inside of the feeding box 10, the upper end of the feeding pipe 11 is in a funnel shape, and the lower end of the feeding pipe 11 is in a circular tube shape;
the first sieve plate 12 is arranged at the lower end of the feeding pipe 11, and the periphery of the first sieve plate 12 is fixedly connected with the inner wall of the feeding pipe 11;
the second screen plate 13, the second screen plate 13 slides and sets up in the feeding case 10, second screen plate 13 right side upper surface sets up first slide bar 14, first slide bar 14 one end with second screen plate 13 upper surface fixed connection, the first slide bar 14 other end runs through feeding case 10 upper end, extends to feeding case 10 outside and sets up first gyro wheel 15, first slide bar 14 with feeding case 10 roof sliding connection, fixed first baffle 16 that sets up on the first slide bar 14, first baffle 16 is located feeding case 10 top, first baffle 16 with be provided with first spring 17 between the upper surface of feeding case 10, first spring 17 one end with first baffle 16 lower surface fixed connection, first spring 17 other end with feeding case 10 upper surface fixed connection;
The discharging pipe 18 is positioned below the second screen plate 13, the upper end of the discharging pipe 18 is in a funnel shape, the lower end of the discharging pipe 18 is in a circular tube shape, the periphery of the upper end of the discharging pipe 18 is fixedly connected with the inner wall of the feeding box 10, and the lower end of the discharging pipe 18 penetrates through the bottom wall of the feeding box 10, extends to the outside of the feeding box 10 and is communicated with the input end of the stirring device 6;
the protective cover 19 is arranged at the upper end of the feeding box 10 in a covering manner, the lower end of the protective cover 19 is fixedly connected with the upper end of the feeding box 10, and a feeding hole is formed in the front side of the protective cover 19;
the first motor 20 is arranged in the protective cover 19, the fixed end of the first motor 20 is fixedly connected with the top wall of the protective cover 19, the output end of the first motor 20 is provided with a first rotating shaft 21, a first bevel gear 22 and a first gear 23 are sequentially arranged on the first rotating shaft 21 from top to bottom, and the first gear 23 is an incomplete gear;
the second rotating shaft 24 is perpendicular to the first rotating shaft 21, one end of the second rotating shaft 24 is rotatably connected with the right inner wall of the protective cover 19, a second bevel gear 25 and a cam 26 are sequentially arranged on the second rotating shaft 24 from left to right, the second bevel gear 25 is meshed with the first bevel gear 22, and the periphery of the cam 26 is abutted against the upper end of the first roller 15;
The third rotating shaft 27 is positioned at the left side of the first rotating shaft 21, the upper end of the third rotating shaft 27 is rotationally connected with the inner wall of the top of the protective cover 19, a limiting disc 28, a third bevel gear 29, a second gear 30 and a first rotating disc 31 are sequentially arranged on the third rotating shaft 27 from top to bottom, four limiting grooves 32 are uniformly arranged on the periphery of the limiting disc 28 at equal intervals, the limiting grooves 32 are hemispherical, the second gear 30 is intermittently meshed with the first gear 23, the first rotating disc 31 is provided with four sliding holes along the circumferential direction, the four sliding holes are distributed in an annular array, and the upper end and the lower end of each sliding hole respectively penetrate through the upper surface and the lower surface of the first rotating disc 31;
the limiting post 33 is arranged behind the limiting disc 28, one end of the limiting post 33 is fixedly connected with the inner wall of the rear side of the protective cover 19, a mounting hole 34 is formed in one end, close to the third rotating shaft 27, of the limiting post 33, a limiting rod 35 is slidably arranged in the mounting hole 34, one end, far away from the limiting disc 28, of the limiting rod 35 is provided with a second spring 36, one end of the second spring 36 is fixedly connected with the limiting rod 35, the other end of the second spring 36 is fixedly connected with the inner wall of the mounting hole 34, one end, far away from the second spring 36, of the limiting rod 35 extends into the limiting groove 32, and one end, close to the limiting groove 32, of the limiting rod 35 is matched with the inner wall of the limiting groove 32;
The sliding column 37 is slidably arranged in the sliding hole, the upper end of the sliding column 37 extends to the upper side of the first rotating disc 31 and is provided with a second baffle 38, the lower end of the sliding column 37 extends to the lower side of the first rotating disc 31 and is provided with a knocking block 39, the upper end and the lower end of the knocking block 39 are respectively in a circular truncated cone shape, and the diameters of the four knocking blocks 39 are gradually increased;
the third spring 40 is sleeved on the sliding column 37, one end of the third spring 40 is fixedly connected with the upper surface of the first rotating disc 31, and the other end of the third spring 40 is fixedly connected with the lower surface of the second baffle 38;
a fourth rotating shaft 41, wherein the fourth rotating shaft 41 is located behind the third rotating shaft 27, the fourth rotating shaft 41 is perpendicular to the third rotating shaft 27, the rear end of the fourth rotating shaft 41 is rotationally connected with the inner wall of the rear side of the protective cover 19, a third gear 42 and a fourth bevel gear 43 are sequentially arranged on the fourth rotating shaft 41 from back to front, and the fourth bevel gear 43 is meshed with the third bevel gear 29;
the lower pressing column 44 is arranged right above the feeding pipe 11, the lower pressing column 44 is concentric with the feeding pipe 11, the upper end of the lower pressing column 44 penetrates through the top wall of the protective cover 19, extends to the outside of the protective cover 19 and is provided with a third baffle 45, the center of the lower pressing column 44 is provided with a strip hole 46, and the strip hole 46 penetrates through the front side wall and the rear side wall of the lower pressing column 44;
A fourth spring 47, wherein the fourth spring 47 is sleeved on the pressing post 44, one end of the fourth spring 47 is fixedly connected with the lower surface of the third baffle 45, and the other end of the fourth spring 47 is fixedly connected with the upper surface of the protective cover 19;
the fifth rotating shaft 48 is located at the rear of the lower pressing post 44, the fifth rotating shaft 48 is perpendicular to the lower pressing post 44, the rear end of the fifth rotating shaft 48 is rotationally connected with the inner wall at the rear side of the protective cover 19, the front end of the fifth rotating shaft 48 penetrates through the strip hole 46, extends to the front of the lower pressing post 44 and is provided with an electric telescopic rod 49, the electric telescopic rod 49 is perpendicular to the fifth rotating shaft 48, one end of the electric telescopic rod 49 is fixedly connected with the front end of the fifth rotating shaft 48, the other end of the electric telescopic rod 49 is fixedly provided with a swinging rod 50, and one end of the swinging rod 50, which is far away from the fifth rotating shaft 48, is provided with a second roller 51;
a fourth gear 52, the fourth gear 52 is disposed on the fifth rotating shaft 48, the fourth gear 52 is located behind the pressing post 44, the fourth gear 52 is an incomplete gear, and the fourth gear 52 is intermittently meshed with the third gear 42;
the fourth baffle 53 is fixedly arranged on the front side wall of the pressing post 44, and the fourth baffle 53 is positioned above the fifth rotating shaft 48.
The working principle and the beneficial effects of the technical scheme are as follows: the feeding mode of the dark color preparation raw materials and the light color preparation raw materials is the same, taking the feeding mode of the light color preparation raw materials as an example, the prepared light color preparation raw materials are sequentially fed into the feeding pipe 11, the light color preparation raw materials move downwards along the feeding pipe 11, fall into the feeding box 10 after being screened by the first screen plate 12, then fall into the discharging pipe 18 by the second screen plate 13, finally flow to the input end of the stirring device 6 from the lower end of the discharging pipe 18, in the feeding process, the first motor 20 is started, the first motor 20 rotates to drive the first rotating shaft 21 to rotate, the first rotating shaft 21 rotates to drive the first bevel gear 22 to rotate, the first bevel gear 22 rotates to drive the second bevel gear 25 to rotate, the second bevel gear 25 rotates to drive the second rotating shaft 24 and the cam 26 on the second rotating shaft 24, the outer wall of the first roller 15 is always in butt joint with the cam 26 under the action of the first spring 17, therefore, the cam 26 can drive the first roller 15 to reciprocate up and down when rotating, the first roller 15 drives the first sliding rod 14 to reciprocate up and down, the first sliding rod 14 drives the second screen plate 13 to reciprocate up and down in the feeding box 10, so that light-colored preparation raw materials on the second screen plate 13 are driven to roll up and down, on one hand, screening of the light-colored preparation raw materials can be quickened, the light-colored preparation raw materials can quickly pass through the second screen plate 13, on the other hand, the second screen plate 13 can be always in a moving state, the blocking probability of the second screen plate 13 is reduced, the service life of the second screen plate 13 is prolonged, the first rotating shaft 21 rotates and simultaneously drives the first gear 23 to rotate, the first gear 23 is an incomplete gear, the first gear 23 can be intermittently meshed with the second gear 30 when the first gear 23 is meshed with the second gear 30, the first gear 23 drives the second gear 30 to rotate, the second gear 30 rotates to drive the third rotating shaft 27 to rotate, the third rotating shaft 27 rotates to drive the limit disc 28, the third bevel gear 29 and the first rotating disc 31 to rotate, the limit disc 28 rotates to enable the limit rod 35 to be separated from the limit groove 32, the first rotating disc 31 rotates to drive the sliding column 37 to rotate, so that the position of the sliding column 37 is changed, the first gear 23 and the second gear 30 can drive the first rotating disc 31 to rotate 45 degrees each time, so that the positions of the four sliding columns 37 are changed, the third bevel gear 29 rotates to drive the fourth bevel gear 43 to rotate, the fourth bevel gear 43 rotates to drive the fourth rotating shaft 41 to rotate, the fourth rotating shaft 41 rotates to drive the third gear 42 to rotate, because the fourth gear 52 is an incomplete gear, in the initial position, the upper semicircle of the fourth gear 52 is toothed, the lower semicircle of the fourth gear 52 is not toothed, the right semicircle of the upper semicircle of the fourth gear 52 is meshed with the third gear 42, the second roller 51 of the swinging rod 50 is located at the lowest left position under the action of gravity, the swinging rod 50 is located at one side of the center line of the fourth gear 52 away from the third gear 42, when the third gear 42 rotates, the third gear 42 is meshed with the fourth gear 52, the third gear 42 drives the fourth gear 52 to rotate clockwise, the fourth gear 52 drives the fifth rotating shaft 48 to rotate clockwise, the fifth rotating shaft 48 drives the electric telescopic rod 49 to rotate, the electric telescopic rod 49 rotates to drive the swinging rod 50 to swing clockwise, the swinging rod 50 is gradually contacted with the lower surface of the fourth baffle 53 in the swinging process and drives the fourth baffle 53 to gradually move upwards, the outer wall of the second roller 51 is also contacted with the lower surface of the fourth baffle 53, the fourth baffle 53 drives the lower pressing column 44 to slide upwards, the fourth spring 47 stretches, after the first gear 23 and the second gear 30 are meshed completely due to the fact that the fourth gear 52 is an incomplete gear, the limiting rod 35 is reinserted into the limiting groove 32 to prevent the third rotating shaft 27 from rotating, the stability of the third rotating shaft 27 is improved, meanwhile, the third gear 42 and the fourth gear 52 are meshed, the swinging rod 50 swings clockwise and downwards under the action of gravity, the lower pressing column 44 is quickly restored to the original position under the action of the elasticity of the fourth spring 47, the lower pressing column 44 moves downwards to be in contact with the second baffle 38, the lower pressing column 44 drives the second baffle 38 to move downwards, the second baffle 38 drives the sliding column 37 to slide downwards, the sliding column 37 drives the knocking block 39 to knock the light-colored preparation raw materials in the feeding pipe 11, so that the agglomerated TPU particles are scattered, the TPU particles smoothly pass through the first sieve plate 12 to avoid the blocking of the feeding pipe 11 by the agglomerated TPU particles, the diameters of the four knocking blocks 39 are gradually increased, the agglomerated TPU particles in the feeding pipe 11 are knocked by the knocking block 39 with the smallest diameter firstly, the area of the knocking block 39 is gradually increased, the knocking block 39 is gradually scattered one by one, the power of the first motor 20 can be saved, the blocking TPU particles are prevented from being larger and being scattered for a single time, the scattering effect is improved, when the first rotating disc 31 rotates, the second baffle 38 is separated from the pressing down column 44, under the action of the third spring 40, the sliding column 37 rapidly returns to the original position, the knocking block 39 moves to the upper part of the feeding pipe 11, the knocking block 39 and the feeding pipe 11 are prevented from interfering when the first rotating disc 31 rotates, in addition, the first controller is arranged on the inner wall of the protective cover 19 and is electrically connected with the electric telescopic rod 49, the first controller can control the electric telescopic rod 49 to stretch and retract, so that the swinging radius of the swinging rod 50 is adjusted, when the electric telescopic rod 49 stretches out, the swinging radius of the swinging rod 50 is increased, the stroke of the pressing down column 44 is increased, the knocking depth of the knocking block 39 is increased, the swing radius of the swing rod 50 can be reduced when the electric telescopic rod 49 is retracted, the stroke of the pressing column 44 is reduced, the knocking depth of the knocking block 39 is reduced, a position sensor is arranged in the feeding pipe 11, the position sensor can detect the height of light-color preparation raw materials in the feeding pipe 11, namely the vertical distance from the highest point of the light-color preparation raw materials in the feeding pipe 11 to the first sieve plate 12, and according to the detection value of the position sensor, the first controller can automatically control the electric telescopic rod 49 to stretch and retract, so that the knocking depth of the knocking block 39 is automatically adjusted, the knocking block 39 can exactly completely enter the light-color preparation raw materials in the feeding pipe 11, and the integral automation degree of the device is improved.
Example 6
On the basis of any one of the embodiments 1 to 5, as shown in fig. 7, the winding device 9 includes:
the winding box 54, wherein the front end and the rear end of the winding box 54 are both provided with open ends, the upper end of the winding box 54 is provided with an opening 55, the front end and the rear end of the winding box 54 are symmetrically provided with fixing plates 56, and the upper end of the fixing plates 56 is fixedly connected with the inner wall of the upper end of the winding box 54;
a sixth rotating shaft 57, wherein the sixth rotating shaft 57 is arranged between the two fixing plates 56, the front end and the rear end of the sixth rotating shaft 57 are respectively connected with the inner walls of the fixing plates 56 on the front side and the rear side in a rotating way, the rear end of the sixth rotating shaft 57 extends to the rear side of the fixing plates 56 on the rear side and is provided with a first chain wheel 58, a winding roller 59 is arranged on the sixth rotating shaft 57, one end of the double-color shading film 5 is wound on the winding roller 59 through the opening 55, and the winding roller 59 is used for winding the double-color shading film 5;
the sliding plate 60 is slidably arranged in the winding box 54, and the left and right ends of the sliding plate 60 are respectively in sliding connection with the inner walls of the left and right sides of the winding box 54;
a fifth spring 61, wherein the fifth spring 61 is disposed on the lower surface of the sliding plate 60, one end of the fifth spring 61 is fixedly connected with the lower surface of the sliding plate 60, and the other end of the fifth spring 61 is fixedly connected with the bottom wall of the winding box 54;
The base 62 is arranged on the left side of the winding box 54, and the right end of the base 62 is fixedly connected with the left side wall of the winding box 54;
the first vertical plate 63 is fixedly arranged on the upper surface of the base 62, and the first vertical plate 63 is perpendicular to the base 62;
a second riser 64, the second riser 64 being fixedly disposed on the upper surface of the base 62, the second riser 64 being perpendicular to the base 62;
the second motor 65, the second motor 65 is arranged on the left side wall of the winding box 54, and the output end of the second motor 65 is provided with a first spline shaft 66;
the second spline shaft 67 is arranged on the right side wall of the first vertical plate 63, the second spline shaft 67 is concentric with the first spline shaft 66, the left end of the second spline shaft 67 is rotationally connected with the right side wall of the first vertical plate 63, and a gap exists between the second spline shaft 67 and the first spline shaft 66;
the spline housing 68, one end of the spline housing 68 is sleeved at the right end of the second spline shaft 67, the other end of the spline housing 68 is sleeved at the left end of the first spline shaft 66, and the inner wall of the spline housing 68 is respectively matched with the first spline shaft 66 and the second spline shaft 67;
A fifth bevel gear 69, the fifth bevel gear 69 being disposed on the second spline shaft 67;
a seventh rotating shaft 70, wherein the seventh rotating shaft 70 is located at the rear of the second spline shaft 67, the rear end of the seventh rotating shaft 70 is rotatably connected with the front side wall of the second riser 64, a second sprocket 71 and a sixth bevel gear 72 are sequentially arranged on the seventh rotating shaft 70 from rear to front, the sixth bevel gear 72 is meshed with the fifth bevel gear 69, and the second sprocket 71 is in transmission connection with the first sprocket 58 through a chain 73;
the sliding block 74, the sliding block 74 is arranged at the left end of the sliding plate 60, and the sliding block 74 is slidably connected with the front side wall of the winding box 54;
the sliding rail 75 is arranged on the base 62, and a sliding table 76 is arranged on the sliding rail 75 in a sliding manner;
the first connecting rod 77, the first connecting rod 77 is arranged between the sliding table 76 and the sliding block 74, one end of the first connecting rod 77 is hinged with the front side wall of the sliding block 74, and the other end of the first connecting rod 77 is hinged with the front side wall of the sliding table 76;
the second connecting rod 78, the second connecting rod 78 is arranged between the sliding table 76 and the spline housing 68, one end of the second connecting rod 78 is fixedly connected with the upper end of the sliding table 76, the other end of the second connecting rod 78 is rotatably connected with the spline housing 68 through a bearing, the bearing housing is arranged on the outer wall of the spline housing 68, the bearing inner ring is fixedly connected with the outer wall of the spline housing 68, and the bearing outer ring is fixedly connected with the upper end of the second connecting rod 78;
A rack 79, wherein the rack 79 is vertically arranged at the right end of the sliding plate 60, and one side of the rack 79 away from the sliding plate 60 is provided with teeth;
an eighth rotating shaft 80, wherein the eighth rotating shaft 80 is disposed on the right side of the rack 79, the rear end of the eighth rotating shaft 80 is rotationally connected with the front side wall of the winding box 54, the eighth rotating shaft 80 is sequentially provided with a meshing gear 81 and a first belt pulley 82 from back to front, and the meshing gear 81 is meshed with the rack 79;
the mounting plate 83, the mounting plate 83 is arranged at the upper end of the winding box 54, the mounting plate 83 is positioned at the right side of the opening 55, a ninth rotating shaft 84 is arranged on the front side wall of the mounting plate 83, the rear end of the ninth rotating shaft 84 is rotationally connected with the front side wall of the mounting plate 83, a third belt pulley 85 and a second belt pulley 86 are sequentially arranged on the ninth rotating shaft 84 from back to front, and the second belt pulley 86 is in transmission connection with the first belt pulley 82 through a first conveying belt 87;
the guide plate 88 is vertically arranged at the upper end of the winding box 54, the guide plate 88 is positioned at the left side of the opening 55, and the lower end of the guide plate 88 is fixedly connected with the upper end of the winding box 54;
a tenth rotating shaft 89, wherein the tenth rotating shaft 89 is arranged on one side of the mounting plate 83 close to the guide plate 88, the tenth rotating shaft 89 is parallel to the ninth rotating shaft 84, the rear end of the tenth rotating shaft 89 is rotationally connected with the front side wall of the mounting plate 83, a fourth belt pulley 90 is arranged on the tenth rotating shaft 89, and the fourth belt pulley 90 is in transmission connection with the third belt pulley 85 through a second conveying belt 91;
The dead lever 92, the dead lever 92 sets up tenth pivot 89 front end, the dead lever 92 perpendicular to tenth pivot 89, tenth pivot 89 upper end with tenth pivot 89 front end fixed connection, tenth pivot 89 lower extreme sets up the cutter 93, the cutter 93 is used for cutting off double-colored shading film 5.
The working principle and the beneficial effects of the technical scheme are as follows: when the winding device 9 is used, one end of the double-color shading film 5 passes through the opening 55 at the upper end of the winding box 54 and is wound on the periphery of the winding roller 59, then the second motor 65 is started, the second motor 65 rotates to drive the first spline shaft 66 to rotate, the first spline shaft 66 rotates to drive the second spline shaft 67 to rotate through the spline sleeve 68, the second spline shaft 67 rotates to drive the fifth bevel gear 69 to rotate, the fifth bevel gear 69 rotates to drive the sixth bevel gear 72 to rotate, the sixth bevel gear 72 rotates to drive the seventh rotating shaft 70 to rotate, the seventh rotating shaft 70 rotates to drive the second sprocket 71 to rotate, the second sprocket 71 rotates to drive the first sprocket 58 through the chain 73, the first sprocket 58 rotates to drive the sixth rotating shaft 57 to rotate, the sixth rotating shaft 57 rotates to drive the winding roller 59 to wind the double-color shading film 5, with the thickness of the double-color shading film 5 wound on the wind-up roll 59 increased, the double-color shading film 5 wound on the wind-up roll 59 gradually presses down the sliding plate 60, the sliding plate 60 slides down to drive the sliding block 74 and the rack 79 to move down, when the sliding block 74 moves down, the sliding table 76 is driven by the first connecting rod 77 to slide from right to left along the sliding rail 75, the sliding table 76 drives the spline housing 68 to slide left by the second connecting rod 78, the rack 79 moves down to drive the meshing gear 81 to rotate anticlockwise, the meshing gear 81 drives the eighth rotating shaft 80 to rotate, the eighth rotating shaft 80 drives the first belt pulley 82 to rotate, the first belt pulley 82 drives the second belt pulley 86 to rotate by the first conveying belt 87, the second belt pulley 86 drives the ninth rotating shaft 84 to rotate and the third belt pulley 85 to rotate by the third belt pulley 85 drives the fourth belt pulley 90 to rotate by the second conveying belt 91, the fourth belt pulley 90 rotates to drive the tenth rotating shaft 89 and the fixing rod 92 to rotate, the fixing rod 92 drives the cutting knife 93 to move towards the direction close to the guide plate 88, when the double-color shading film 5 wound on the winding roller 59 reaches a preset thickness, the cutting knife 93 is in contact with the double-color shading film 5 at the opening 55 and cuts off the double-color shading film 5 after being abutted against the guide plate 88, meanwhile, the spline housing 68 is separated from the first spline shaft 66, the second spline shaft 67 stops rotating, the winding roller 59 stops rotating, winding is not performed any more, a worker can take off the wound double-color shading film 5, the sliding plate 60 returns to the original position after the winding is taken off, the cutting knife 93 is separated from the guide plate 88, the spline housing 68 is matched with the first spline shaft 66 again, by arranging the winding device 9, can be automatic to the rolling of double-colored shading film 5 to accomplish the rolling of the double-colored shading film 5 of fixed thickness according to double-colored shading film 5 thickness variation, guaranteed the uniformity of every double-colored shading film 5 thickness, and when double-colored shading film 5 rolling reached fixed thickness, cutter 93 can be with double-colored shading film 5 automatic cutout, need not artifical the cutting off, the degree of automation of device and the security when cutting off have been improved, production efficiency has been promoted, in addition, spline housing 68 can also with first spline shaft 66 autosegregation, stop rolling work, avoid taking off the double-colored shading film 5 of rolling completion, second motor 65 does not close and drive wind-up roll 59 and continue to rotate and cause injury accident, further the security of coiling mechanism 9 has been improved.
Example 7
On the basis of any one of embodiments 1 to 6, further comprising:
the heat preservation layer is arranged on the inner wall of the roasting cylinder 7;
the first temperature sensor is arranged on the inner wall of the heat preservation layer and used for detecting the temperature of the inner wall of the heat preservation layer;
the second temperature sensor is arranged on the outer wall of the roasting charging barrel 7 and is used for detecting the temperature of the outer wall of the roasting charging barrel 7;
an alarm which is arranged outside the roasting cylinder 7;
the second controller is arranged outside the roasting cylinder 7 and is respectively and electrically connected with the first temperature sensor, the second temperature sensor and the alarm;
the second controller controls the alarm to work based on the detection values of the first temperature sensor and the second temperature sensor, and the method comprises the following steps:
step one: based on the detection values of the first temperature sensor and the second temperature sensor, the actual baking efficiency of the baking cylinder 7 is calculated by the following formula:
wherein eta 0 For the actual baking efficiency of the baking cylinder 7 c 0 Specific heat capacity, T, of the material of the roasting cylinder 7 1 For the temperature of the inner wall of the heat preservation layer detected by the first temperature sensor, T 2 For the temperature of the outer wall of the roasting cylinder 7, theta, detected by a second temperature sensor 0 Gamma is the thickness of the heat insulation layer 0 For the heat conductivity coefficient of the heat insulation layer, theta 1 Gamma is the wall thickness of the roasting cylinder 7 1 The heat conductivity coefficient Q of the material of the roasting cylinder 7 1 Rated power for the roasting cylinder 7;
step two: based on the calculation result of the first step, the second controller compares the actual baking efficiency of the baking barrel 7 with the preset baking efficiency, and when the actual baking efficiency is lower than the preset baking efficiency, the second controller controls the alarm to send an alarm prompt.
The working principle and the beneficial effects of the technical scheme are as follows: the inner wall of the roasting charging barrel 7 is provided with an insulating layer, so that heat loss inside the roasting charging barrel 7 can be prevented, the heat utilization rate is improved, so that raw materials are quickly roasted, after roasting starts, the roasting charging barrel 7 quickly reaches the roasting temperature, after the preset time length of work of the roasting charging barrel 7 is set, the preset time length is 45min, at this time, the inner wall temperature of the insulating layer is detected through the first temperature sensor, the outer wall temperature of the roasting charging barrel 7 is detected through the second temperature sensor, then the actual roasting efficiency of the roasting charging barrel 7 is calculated according to the formula, then the calculated actual roasting efficiency is compared with the preset roasting efficiency by the second controller (the preset roasting efficiency is 50%), when the actual roasting efficiency is lower than the preset roasting efficiency, the second controller controls the alarm to automatically send an alarm prompt, the degree of automation of the roasting charging barrel 7 is improved, at this time, workers can timely overhaul the roasting charging barrel 7 according to the alarm prompt, and therefore the actual roasting efficiency of the roasting charging barrel 7 is ensured not to be lower than the preset roasting efficiency.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. The preparation method of the bicolor shading film is characterized by comprising the following steps of:
step 1: scattering the light-color preparation raw materials and the dark-color preparation raw materials through a feeding device (1), respectively stirring and mixing, and then baking;
step 2: respectively putting the baked light-color preparation raw materials and dark-color preparation raw materials into an inner spiral runner and an outer spiral runner of a screw extruder (2), and simultaneously carrying out melt extrusion and then carrying out blow molding by a blow molding machine (3) to obtain a film tube (4);
step 3: symmetrically cutting the middle part of the film tube (4) along the axial direction and then rolling to obtain a bicolor shading film (5);
in the step 1, two stirring devices (6) are selected firstly, feeding devices (1) are arranged on the two stirring devices (6), the output end of each feeding device (1) is communicated with the input end of each stirring device (6), the output end of each stirring device (6) is communicated with the input end of a corresponding roasting charging barrel (7), light-color preparation raw materials and dark-color preparation raw materials are respectively added into the two stirring devices (6) through the feeding devices (1), and are simultaneously stirred and mixed, and after the light-color preparation raw materials and the dark-color preparation raw materials in the two stirring devices (6) are uniformly mixed, the stirred light-color preparation raw materials and the stirred dark-color preparation raw materials are simultaneously added into the corresponding roasting charging barrels (7) for roasting;
The feeding device (1) comprises:
the feeding device comprises a feeding box (10), wherein a feeding pipe (11) is arranged at the upper end of the feeding box (10), the lower end of the feeding pipe (11) is communicated with the inside of the feeding box (10), the upper end of the feeding pipe (11) is in a funnel shape, and the lower end of the feeding pipe (11) is in a circular tube shape;
the first sieve plate (12), the first sieve plate (12) is arranged at the lower end of the feeding pipe (11), and the periphery of the first sieve plate (12) is fixedly connected with the inner wall of the feeding pipe (11);
the second sieve plate (13), second sieve plate (13) slide to set up in feeding case (10), second sieve plate (13) right side upper surface sets up first slide bar (14), first slide bar (14) one end with feeding case (13) upper surface fixed connection, first slide bar (14) other end runs through feeding case (10) upper end, extend to feeding case (10) outside and set up first gyro wheel (15), first slide bar (14) with feeding case (10) roof sliding connection, first slide bar (14) are last to set up first baffle (16) fixedly, first baffle (16) are located feeding case (10) top, set up first spring (17) between first baffle (16) with feeding case (10) upper surface, first spring (17) one end with feeding case (16) lower surface fixed connection, first spring (17) other end with feeding case (10) upper surface fixed connection;
The discharging pipe (18), the discharging pipe (18) is located below the second sieve plate (13), the upper end of the discharging pipe (18) is in a funnel shape, the lower end of the discharging pipe (18) is in a round tube shape, the periphery of the upper end of the discharging pipe (18) is fixedly connected with the inner wall of the feeding box (10), and the lower end of the discharging pipe (18) penetrates through the bottom wall of the feeding box (10), extends to the outside of the feeding box (10) and is communicated with the input end of the stirring device (6);
the protective cover (19) is arranged at the upper end of the feeding box (10) in a covering mode, the lower end of the protective cover (19) is fixedly connected with the upper end of the feeding box (10), and a feeding hole is formed in the front side of the protective cover (19);
the first motor (20), the first motor (20) is arranged in the protective cover (19), the fixed end of the first motor (20) is fixedly connected with the top wall of the protective cover (19), a first rotating shaft (21) is arranged at the output end of the first motor (20), a first bevel gear (22) and a first gear (23) are sequentially arranged on the first rotating shaft (21) from top to bottom, and the first gear (23) is an incomplete gear;
the second rotating shaft (24), the second rotating shaft (24) is perpendicular to the first rotating shaft (21), one end of the second rotating shaft (24) is rotatably connected with the right inner wall of the protective cover (19), a second bevel gear (25) and a cam (26) are sequentially arranged on the second rotating shaft (24) from left to right, the second bevel gear (25) is meshed with the first bevel gear (22), and the periphery of the cam (26) is abutted to the upper end of the first roller (15);
The third rotating shaft (27), third rotating shaft (27) are located in the left side of first rotating shaft (21), the upper end of third rotating shaft (27) is rotationally connected with the inner wall of the top of protective cover (19), limiting disc (28), third bevel gear (29), second gear (30) and first rotating disc (31) are sequentially arranged on third rotating shaft (27) from top to bottom, four limiting grooves (32) are uniformly arranged on the periphery of limiting disc (28) at equal intervals, limiting grooves (32) are hemispherical, second gear (30) are intermittently meshed with first gear (23), four sliding holes are formed in first rotating disc (31) along the circumferential direction, the four sliding holes are distributed in an annular array, and the upper end and the lower end of each sliding hole penetrate through the upper surface and the lower surface of first rotating disc (31) respectively.
The limiting post (33), limiting post (33) is arranged behind the limiting disc (28), one end of the limiting post (33) is fixedly connected with the inner wall of the rear side of the protective cover (19), the limiting post (33) is close to one end of the third rotating shaft (27) and is provided with a mounting hole (34), a limiting rod (35) is arranged in the mounting hole (34) in a sliding mode, one end of the limiting rod (35) away from the limiting disc (28) is provided with a second spring (36), one end of the second spring (36) is fixedly connected with the limiting rod (35), the other end of the second spring (36) is fixedly connected with the inner wall of the mounting hole (34), one end of the limiting rod (35) away from the second spring (36) extends into the limiting groove (32), and one end of the limiting rod (35) is close to the limiting groove (32) and is matched with the inner wall of the limiting groove (32).
The sliding column (37) is arranged in the sliding hole in a sliding way, the upper end of the sliding column (37) extends to the upper side of the first rotating disc (31) and is provided with a second baffle (38), the lower end of the sliding column (37) extends to the lower side of the first rotating disc (31) and is provided with a knocking block (39), the upper end and the lower end of the knocking block (39) are respectively in a circular truncated cone shape, and the diameters of the four knocking blocks (39) are gradually increased;
the third spring (40) is sleeved on the sliding column (37), one end of the third spring (40) is fixedly connected with the upper surface of the first rotating disc (31), and the other end of the third spring (40) is fixedly connected with the lower surface of the second baffle (38);
the fourth rotating shaft (41), the fourth rotating shaft (41) is positioned behind the third rotating shaft (27), the fourth rotating shaft (41) is perpendicular to the third rotating shaft (27), the rear end of the fourth rotating shaft (41) is rotationally connected with the inner wall at the rear side of the protective cover (19), a third gear (42) and a fourth bevel gear (43) are sequentially arranged on the fourth rotating shaft (41) from back to front, and the fourth bevel gear (43) is meshed with the third bevel gear (29);
The lower pressing column (44) is arranged right above the feeding pipe (11), the lower pressing column (44) is concentric with the feeding pipe (11), the upper end of the lower pressing column (44) penetrates through the top wall of the protective cover (19), extends to the outside of the protective cover (19) and is provided with a third baffle (45), the center of the lower pressing column (44) is provided with a strip hole (46), and the strip hole (46) penetrates through the front side wall and the rear side wall of the lower pressing column (44);
the fourth spring (47) is sleeved on the pressing column (44), one end of the fourth spring (47) is fixedly connected with the lower surface of the third baffle plate (45), and the other end of the fourth spring (47) is fixedly connected with the upper surface of the protective cover (19);
the fifth rotating shaft (48), the fifth rotating shaft (48) is located behind the lower pressing column (44), the fifth rotating shaft (48) is perpendicular to the lower pressing column (44), the rear end of the fifth rotating shaft (48) is rotationally connected with the inner wall of the rear side of the protective cover (19), the front end of the fifth rotating shaft (48) penetrates through the strip hole (46) and extends to the front of the lower pressing column (44) and is provided with an electric telescopic rod (49), the electric telescopic rod (49) is perpendicular to the fifth rotating shaft (48), one end of the electric telescopic rod (49) is fixedly connected with the front end of the fifth rotating shaft (48), the other end of the electric telescopic rod (49) is fixedly provided with a swinging rod (50), and one end of the swinging rod (50) away from the fifth rotating shaft (48) is provided with a second roller (51);
A fourth gear (52), wherein the fourth gear (52) is arranged on the fifth rotating shaft (48), the fourth gear (52) is positioned behind the pressing post (44), the fourth gear (52) is an incomplete gear, and the fourth gear (52) is intermittently meshed with the third gear (42);
the fourth baffle plate (53), the said fourth baffle plate (53) is fixedly set up in the said anterior sidewall of pressing the post (44), the said fourth baffle plate (53) locates above the said fifth spindle (48);
the double-color shading film prepared by the preparation method comprises the following components: a light-shielding layer (94) and a dark-shielding layer (95), wherein the light-shielding layer (94) is arranged on the upper surface of the dark-shielding layer (95); the light-colored light-shielding layer (94) is prepared from the following raw materials in parts by weight: 10-20 parts of light-colored master batch, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate; the dark preparation raw materials of the dark shading layer (95) comprise the following components in parts by weight: 10-20 parts of carbon black, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate.
2. The method according to claim 1, wherein in the step 1, the baking temperature of the baking cylinder (7) is 125-130 ℃ and the baking time is 35-55 min.
3. The method according to claim 1, wherein in the step 2, the screw extruder (2) and the blowing machine (3) are integrally designed.
4. The method according to claim 1, wherein in the step 2, the heating temperature of the screw extruder (2) is 170 ℃ to 210 ℃.
5. The method for preparing the bicolor light-shielding film according to claim 1, wherein in the step 3, cutting blades (8) are symmetrically arranged on the front side and the rear side of the film tube (4), the cutting blades (8) are symmetrically cut along the axis direction of the middle part of the film tube (4) and are divided into two groups of bicolor light-shielding films (5), winding devices (9) are symmetrically arranged on the left side and the right side of the film tube (4), and the two winding devices (9) are used for winding the two groups of bicolor light-shielding films (5) respectively.
6. The method for producing a bicolor light-shielding film according to claim 5, wherein the winding device (9) comprises:
the winding box (54), both ends all set up to open end around winding box (54), winding box (54) upper end sets up opening (55), both ends symmetry sets up fixed plate (56) around winding box (54), fixed plate (56) upper end with winding box (54) upper end inner wall fixed connection;
The device comprises a sixth rotating shaft (57), wherein the sixth rotating shaft (57) is arranged between two fixed plates (56), the front end and the rear end of the sixth rotating shaft (57) are respectively connected with the inner walls of the fixed plates (56) on the front side and the rear side in a rotating way, the rear end of the sixth rotating shaft (57) extends to the rear side of the fixed plates (56) on the rear side and is provided with a first chain wheel (58), a winding roller (59) is arranged on the sixth rotating shaft (57), one end of a double-color shading film (5) passes through the opening (55) and is wound on the winding roller (59), and the winding roller (59) is used for winding the double-color shading film (5);
the sliding plate (60) is arranged in the winding box (54) in a sliding way, and the left end and the right end of the sliding plate (60) are respectively connected with the inner walls of the left side and the right side of the winding box (54) in a sliding way;
the fifth spring (61), the said fifth spring (61) is set up in the inferior surface of the said sliding plate (60), one end of the said fifth spring (61) is fixedly connected with inferior surface of the said sliding plate (60), another end of the said fifth spring (61) is fixedly connected with bottom wall of the said coiling box (54);
the base (62), the base (62) is arranged on the left side of the winding box (54), and the right end of the base (62) is fixedly connected with the left side wall of the winding box (54);
The first vertical plate (63) is fixedly arranged on the upper surface of the base (62), and the first vertical plate (63) is perpendicular to the base (62);
the second vertical plate (64) is fixedly arranged on the upper surface of the base (62), and the second vertical plate (64) is perpendicular to the base (62);
the second motor (65), the second motor (65) is arranged on the left side wall of the winding box (54), and a first spline shaft (66) is arranged at the output end of the second motor (65);
the second spline shaft (67) is arranged on the right side wall of the first vertical plate (63), the second spline shaft (67) is concentric with the first spline shaft (66), the left end of the second spline shaft (67) is rotationally connected with the right side wall of the first vertical plate (63), and a gap exists between the second spline shaft (67) and the first spline shaft (66);
the spline housing (68), one end of the spline housing (68) is sleeved at the right end of the second spline shaft (67), the other end of the spline housing (68) is sleeved at the left end of the first spline shaft (66), and the inner wall of the spline housing (68) is respectively matched with the first spline shaft (66) and the second spline shaft (67);
A fifth bevel gear (69), the fifth bevel gear (69) being disposed on the second spline shaft (67);
a seventh rotating shaft (70), wherein the seventh rotating shaft (70) is positioned behind the second spline shaft (67), the rear end of the seventh rotating shaft (70) is rotationally connected with the front side wall of the second vertical plate (64), a second chain wheel (71) and a sixth bevel gear (72) are sequentially arranged on the seventh rotating shaft (70) from back to front, the sixth bevel gear (72) is meshed with the fifth bevel gear (69), and the second chain wheel (71) is in transmission connection with the first chain wheel (58) through a chain (73);
the sliding block (74) is arranged at the left end of the sliding plate (60), and the sliding block (74) is in sliding connection with the front side wall of the winding box (54);
the sliding rail (75), the sliding rail (75) is arranged on the base (62), and a sliding table (76) is arranged on the sliding rail (75) in a sliding manner;
the first connecting rod (77) is arranged between the sliding table (76) and the sliding block (74), one end of the first connecting rod (77) is hinged with the front side wall of the sliding block (74), and the other end of the first connecting rod (77) is hinged with the front side wall of the sliding table (76);
The second connecting rod (78), the second connecting rod (78) is arranged between the sliding table (76) and the spline housing (68), one end of the second connecting rod (78) is fixedly connected with the upper end of the sliding table (76), the other end of the second connecting rod (78) is rotatably connected with the spline housing (68) through a bearing, the bearing housing is arranged on the outer wall of the spline housing (68), the inner ring of the bearing is fixedly connected with the outer wall of the spline housing (68), and the outer ring of the bearing is fixedly connected with the upper end of the second connecting rod (78);
the rack (79) is vertically arranged at the right end of the sliding plate (60), and one side, away from the sliding plate (60), of the rack (79) is provided with teeth;
the eighth rotating shaft (80), the eighth rotating shaft (80) is arranged on the right side of the rack (79), the rear end of the eighth rotating shaft (80) is rotationally connected with the front side wall of the winding box (54), a meshing gear (81) and a first belt pulley (82) are sequentially arranged on the eighth rotating shaft (80) from back to front, and the meshing gear (81) is meshed with the rack (79);
the mounting plate (83), the mounting plate (83) is arranged at the upper end of the winding box (54), the mounting plate (83) is positioned on the right side of the opening (55), a ninth rotating shaft (84) is arranged on the front side wall of the mounting plate (83), the rear end of the ninth rotating shaft (84) is rotationally connected with the front side wall of the mounting plate (83), a third belt pulley (85) and a second belt pulley (86) are sequentially arranged on the ninth rotating shaft (84) from back to front, and the second belt pulley (86) is in transmission connection with the first belt pulley (82) through a first conveying belt (87);
The guide plate (88), the guide plate (88) is vertically arranged at the upper end of the winding box (54), the guide plate (88) is positioned at the left side of the opening (55), and the lower end of the guide plate (88) is fixedly connected with the upper end of the winding box (54);
a tenth rotating shaft (89), wherein the tenth rotating shaft (89) is arranged on one side of the mounting plate (83) close to the guide plate (88), the tenth rotating shaft (89) is parallel to the ninth rotating shaft (84), the rear end of the tenth rotating shaft (89) is rotationally connected with the front side wall of the mounting plate (83), a fourth belt pulley (90) is arranged on the tenth rotating shaft (89), and the fourth belt pulley (90) is in transmission connection with the third belt pulley (85) through a second conveying belt (91);
the utility model provides a bicolor shading film (5), including ten pivot (89), dead lever (92) set up tenth pivot (89) front end, dead lever (92) perpendicular to tenth pivot (89), tenth pivot (89) upper end with tenth pivot (89) front end fixed connection, tenth pivot (89) lower extreme sets up cutting knife (93), cutting knife (93) are used for cutting off bicolor shading film (5).
CN202210704619.5A 2022-06-21 2022-06-21 Bicolor shading film and preparation method thereof Active CN114987026B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210704619.5A CN114987026B (en) 2022-06-21 2022-06-21 Bicolor shading film and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210704619.5A CN114987026B (en) 2022-06-21 2022-06-21 Bicolor shading film and preparation method thereof

Publications (2)

Publication Number Publication Date
CN114987026A CN114987026A (en) 2022-09-02
CN114987026B true CN114987026B (en) 2023-07-18

Family

ID=83037678

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210704619.5A Active CN114987026B (en) 2022-06-21 2022-06-21 Bicolor shading film and preparation method thereof

Country Status (1)

Country Link
CN (1) CN114987026B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021028065A (en) * 2019-08-09 2021-02-25 胡金霞 Multistage pulverizing device for cement production
CN112974222A (en) * 2021-01-29 2021-06-18 华油惠博普科技股份有限公司 A broken bag screening plant for sulphur cream material loading
CN113146990A (en) * 2021-04-13 2021-07-23 嘉兴南雄高分子有限公司 TPU double-color co-extrusion film production process and production device thereof
CN113620094A (en) * 2021-09-03 2021-11-09 江西铜博科技有限公司 Copper foil production equipment
CN114226013A (en) * 2021-11-10 2022-03-25 蒲晓成 Novel semiconductor material production and processing device
CN114426766A (en) * 2022-01-21 2022-05-03 昆山红苹果塑胶新材料有限公司 High-shading double-color TPU (thermoplastic polyurethane) film and production process thereof
CN216605996U (en) * 2021-06-03 2022-05-27 山东德馨康生物科技有限公司 A screening plant for goat milk powder is dried

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021028065A (en) * 2019-08-09 2021-02-25 胡金霞 Multistage pulverizing device for cement production
CN112974222A (en) * 2021-01-29 2021-06-18 华油惠博普科技股份有限公司 A broken bag screening plant for sulphur cream material loading
CN113146990A (en) * 2021-04-13 2021-07-23 嘉兴南雄高分子有限公司 TPU double-color co-extrusion film production process and production device thereof
CN216605996U (en) * 2021-06-03 2022-05-27 山东德馨康生物科技有限公司 A screening plant for goat milk powder is dried
CN113620094A (en) * 2021-09-03 2021-11-09 江西铜博科技有限公司 Copper foil production equipment
CN114226013A (en) * 2021-11-10 2022-03-25 蒲晓成 Novel semiconductor material production and processing device
CN114426766A (en) * 2022-01-21 2022-05-03 昆山红苹果塑胶新材料有限公司 High-shading double-color TPU (thermoplastic polyurethane) film and production process thereof

Also Published As

Publication number Publication date
CN114987026A (en) 2022-09-02

Similar Documents

Publication Publication Date Title
CN114987026B (en) Bicolor shading film and preparation method thereof
CN112265174A (en) Preparation method of high-strength nylon heat insulation strip master batch
CN208144359U (en) A kind of fresh-cut lettuce molding machine of automatic shearing
CN218660349U (en) Extrusion granulator for single screw rod
CN208614868U (en) Sampler is used in a kind of production of rubber product
CN111958938B (en) Thermoplastic plastic film coiled material
CN212948613U (en) Plastic strip drying device for color masterbatch processing
CN210969843U (en) Rubber strip production is with two defeated crowded whole line equipment altogether
CN113733407A (en) Plastics of environmental protection usefulness are retrieved second grade breaker
CN112693089A (en) Environment-friendly woven bag production equipment and use method thereof
CN112825882A (en) Extruding, cutting and forming equipment for Italian macaroni
CN219255719U (en) Trimming device with recycling function
CN219965001U (en) Grinding device for producing self-adhesive polymer waterproof coiled material
CN206170386U (en) Plastics mixer with shredding function
CN112166859A (en) Tea tree trimming means with energy-concerving and environment-protective function
CN219988144U (en) Rolling granulator
CN215353306U (en) Cutting-off type granulator
CN218018824U (en) Feeding mechanism of rubber injection vulcanization equipment
CN211440748U (en) Tire slitter
CN220481850U (en) Masterbatch grain cutting device
CN219132849U (en) High efficiency PLA granulation equipment
CN217072998U (en) Air cooling equipment for processing TPE granules
CN217844637U (en) Fertile apparatus for producing of extrusion granule
CN211440750U (en) Tire slitting slabbing machine
CN213530318U (en) Resistor disc forming device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240422

Address after: 215000 group 3, Taidong village, Shaxi Town, Taicang City, Suzhou City, Jiangsu Province

Patentee after: SUZHOU XIONGLIN NEW MATERIAL SCIENCE & TECHNOLOGY CO.,LTD.

Country or region after: China

Address before: 200000 floor 10, building 5, No. 525, Yuanjiang Road, Minhang District, Shanghai

Patentee before: Shanghai Xionglin New Material Technology Co.,Ltd.

Country or region before: China

Patentee before: SUZHOU XIONGLIN NEW MATERIAL SCIENCE & TECHNOLOGY CO.,LTD.