CN114987026A - Double-color light-shielding film and preparation method thereof - Google Patents

Double-color light-shielding film and preparation method thereof Download PDF

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Publication number
CN114987026A
CN114987026A CN202210704619.5A CN202210704619A CN114987026A CN 114987026 A CN114987026 A CN 114987026A CN 202210704619 A CN202210704619 A CN 202210704619A CN 114987026 A CN114987026 A CN 114987026A
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Prior art keywords
rotating shaft
sliding
gear
fixedly connected
wall
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Granted
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CN202210704619.5A
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Chinese (zh)
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CN114987026B (en
Inventor
何建雄
黄春华
何杨林
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Suzhou Xionglin New Material Science & Technology Co ltd
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Suzhou Xionglin New Material Science & Technology Co ltd
Shanghai Xionglin New Material Technology Co ltd
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Priority to CN202210704619.5A priority Critical patent/CN114987026B/en
Publication of CN114987026A publication Critical patent/CN114987026A/en
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    • 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

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  • 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 double-color shading film and a preparation method thereof, wherein the double-color shading film comprises: the light shading layer is arranged on the upper surface of the dark shading layer. According to the invention, light can be effectively blocked by the dark shading layer, the shading effect is good, the light shading layer has a light reflecting effect, accelerated aging of the dark shading layer caused by direct irradiation of the light on the dark shading layer is avoided, and the service life of the whole double-color shading film is prolonged.

Description

Double-color light-shielding film and preparation method thereof
Technical Field
The invention relates to the technical field of TPU (thermoplastic polyurethane) films, in particular to a double-color light shielding film and a preparation method thereof.
Background
The thermoplastic polyurethane elastomer is also called thermoplastic polyurethane rubber, TPU for short, and is An (AB) n type block linear polymer, wherein A is polyester or polyether with high molecular weight (1000-6000), B is diol containing 2-12 straight chain carbon atoms, and the chemical structure between AB chain segments is diisocyanate. The thermoplastic polyurethane rubber is crosslinked by intermolecular hydrogen bonds or slightly crosslinked between macromolecular chains, and the two crosslinking structures have reversibility along with the increase or decrease of temperature. The intermolecular force is weakened in a molten state or a solution state, and the intermolecular force is strongly connected together after cooling or solvent volatilization, so that the performance of the original solid is recovered.
At present, the TPU is widely used in medical care and health, electronic and electric appliances, industry, sports and the like, has the incomparable characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like compared with other plastic materials, and simultaneously has a plurality of excellent functions of high waterproofness and moisture permeability, wind resistance, cold resistance, antibiosis, mildew resistance, warm keeping, ultraviolet resistance, energy release and the like.
The shading film is mainly used for shading light, the conventional shading film is mainly a black shading film, and CN107868275A discloses a polyurethane TPU black full shading film and application thereof, wherein the polyurethane TPU 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-chromium black powder, the thickness of the master batch is 0.8-5 threads, and the width of the master batch is 500-3300 cm; however, the light shielding film needs to shield light for a long time, the black full-light shielding film of the polyurethane TPU has obvious heat absorption effect in the use process, the black light shielding film is easy to age quickly due to heat absorption, the service life of the light shielding film is shortened, the problem of hardening and caking can occur due to long storage time of TPU particles, and in the process of preparing the light shielding film, the caking TPU particles need to be scattered manually for mixing the TPU particles, so the labor intensity of workers is increased.
Disclosure of Invention
The invention provides a double-color shading film and a preparation method thereof, which are used for solving the technical problems that the conventional black shading film is easy to age quickly due to heat absorption, the service life of the shading film is shortened, and in the process of preparing the shading film, agglomerated TPU (thermoplastic polyurethane) particles need to be scattered manually, so that the labor intensity of workers is high.
In order to solve the above technical problem, the present invention discloses a two-color shading film, comprising: the light shading layer is arranged on the upper surface of the dark shading layer.
Preferably, the light-color preparation raw material of the light-color shading layer comprises the following components in parts by weight: 10-20 parts of light-color master batch, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate;
the dark color preparation raw material of the dark color shading layer comprises the following components in parts by weight: 10-20 parts of carbon black, 70-80 parts of tpu, 5-10 parts of a slipping agent and 5-10 parts of calcium carbonate.
The invention also provides a preparation method of the double-color shading film, which is used for preparing the double-color 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;
and 2, step: respectively putting the baked light-color preparation raw material and the baked dark-color preparation raw material into an inner layer spiral flow passage and an outer layer spiral flow passage of a screw extruder, and simultaneously carrying out melt extrusion and blow molding through a blow molding machine to obtain a film tube;
and 3, step 3: and symmetrically cutting the middle part of the film tube along the axis direction and then rolling to obtain the double-color light shielding film.
Preferably, in the step 1, two stirring devices are selected firstly, feeding devices are arranged on the two stirring 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 end of a baking barrel, light-color preparation raw materials and dark-color preparation raw materials are added into the two stirring devices through the feeding devices respectively and are stirred and mixed simultaneously, and after the light-color preparation raw materials and the dark-color preparation raw materials in the two stirring devices are mixed uniformly, the stirred light-color preparation raw materials and the stirred dark-color preparation raw materials are added into the corresponding baking barrel simultaneously to be baked.
Preferably, in the step 1, the baking temperature of the baking cylinder 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 designed integrally.
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 side and the rear side of the film tube, the cutting knives symmetrically cut into two groups of double-color shading films along the axis direction in the middle of the film tube, winding devices are symmetrically arranged on the left side and the right side of the film tube, and the two winding devices wind the two groups of double-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 interior 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 mode, 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, extends to the outside of the feeding box and is provided with a first roller, the first sliding rod is connected with the top wall of the feeding box in a sliding mode, a first baffle is fixedly arranged on the first sliding rod and 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 discharge pipe is positioned below the second sieve plate, the upper end of the discharge pipe is funnel-shaped, the lower end of the discharge pipe is round-tube-shaped, the periphery of the upper end of the discharge pipe is fixedly connected with the inner wall of the feeding box, and the lower end of the discharge 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 covers 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 rotatably connected with the inner wall of 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 against the upper end of the first roller;
the third rotating shaft is positioned on the left side of the first rotating shaft, the upper end of the third rotating shaft is rotatably 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 on the periphery of the limiting disc at equal intervals, the limiting grooves are hemispherical, the second gear is intermittently meshed with the first gear, the first rotating disc 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;
the limiting post is arranged behind the limiting disc, one end of the limiting post is fixedly connected with the inner wall of the rear side of the protective cover, one end of the limiting post, which is close to the third rotating shaft, is provided with a mounting hole, a limiting rod is arranged in the mounting hole in a sliding manner, one end of the limiting rod, which is far away from the limiting disc, is provided with a second spring, 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 of the limiting rod, which is far away from the second spring, extends into the limiting groove, and one end of the limiting rod, which is close to the limiting groove, is matched with the inner wall of the limiting groove;
the sliding column is arranged in the sliding hole in a sliding mode, the upper end of the sliding column extends to the position above the first rotating disc and is provided with a second baffle, the lower end of the sliding column extends to the position below 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 and is perpendicular to the third rotating shaft, the rear end of the fourth rotating shaft is rotatably 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 compression column is arranged right above the feeding pipe and is concentric with the feeding pipe, the upper end of the lower compression 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, a long hole is formed in the center of the lower compression column, and the long hole penetrates through the front side wall and the rear side wall of the lower compression column;
the fourth spring is sleeved on the lower pressing column, 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 rotatably 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, 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 lower pressing column and is an incomplete gear, and is intermittently meshed with the third gear;
and the fourth baffle is fixedly arranged on the front side wall of the lower pressing column and is positioned above the fifth rotating shaft.
Preferably, the winding device includes:
the winding box is provided with an opening at the upper end, the front end and the rear end of the winding box are symmetrically provided with fixed plates, and the upper ends of the fixed plates are fixedly connected with the inner wall of the upper end of the winding box;
the sixth rotating shaft is arranged between the two fixing plates, the front end and the rear end of the sixth rotating shaft are respectively and rotatably connected with the inner walls of the fixing plates on the front side and the rear side, the rear end of the sixth rotating shaft extends to the rear of the fixing plate on the rear side and is provided with a first chain wheel, the sixth rotating shaft is provided with a winding roller, one end of the double-color shading film penetrates through the opening to be wound on the winding roller, and the winding roller is used for winding the double-color shading film;
the sliding plate is arranged in the winding box in a sliding mode, 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 mode;
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 is reserved between the second spline shaft and the first spline shaft;
one end of the spline housing is sleeved at the right end of the second spline shaft, the other end of the spline housing is sleeved at the left end of the first spline shaft, and the inner wall of the spline housing is matched with the first spline shaft and the second spline shaft respectively;
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 rotatably connected with the front side wall of the second vertical plate, a second chain wheel 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 chain wheel is in transmission connection with the first chain wheel 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 sleeve is sleeved 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 of the rack, which is far away from the sliding plate, 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 rotatably 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 and 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 rotatably 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 on 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, is parallel to the ninth rotating shaft, the rear end of the tenth rotating shaft is rotatably 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 fixing rod is arranged at the front end of the tenth rotating shaft and perpendicular to the tenth rotating shaft, the upper end of the tenth rotating shaft is fixedly connected with the front end of the tenth rotating shaft, a cutting-off knife is arranged at the lower end of the tenth rotating shaft and used for cutting off the double-color shading film.
The technical scheme of the invention has the following advantages: the invention provides a double-color shading film and a preparation method thereof, wherein the double-color shading film comprises: the light shading layer is arranged on the upper surface of the dark shading layer. According to the invention, light can be effectively blocked by the dark shading layer, the shading effect is good, the light shading layer has a light reflecting effect, accelerated aging of the dark shading layer caused by direct irradiation of the light on the dark shading layer is avoided, and the service life of the whole double-color shading film is prolonged. The invention also provides a preparation method of the double-color shading film, which is characterized in that the preparation raw materials are automatically scattered through the feeding device to replace manual operation, the labor intensity is reduced, the production efficiency is improved, the cost is saved, the light can be effectively blocked by preparing the deep-color shading layer from the deep-color preparation raw materials through preparing the double-color shading film, the shading effect is good, the light-color shading layer prepared from the light-color preparation raw materials has the light reflection effect, the accelerated aging of the deep-color shading layer due to the direct irradiation of the light on the deep-color shading layer is avoided, and the service life of the whole double-color shading film is prolonged.
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 objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a two-color light-shielding film according to the present invention;
FIG. 2 is a schematic view of a method for manufacturing a two-color light-shielding film according to the present invention;
FIG. 3 is a layout view of a manufacturing apparatus according to the present invention;
FIG. 4 is a schematic view of the internal structure of the feeding device of the present invention;
FIG. 5 is a left side view of the stop lever of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;
FIG. 7 is a schematic view of the internal structure of the winding device of the present invention;
fig. 8 is a layout view of the winding device of 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 shading film; 6. a stirring device; 7. a material baking barrel; 8. a cutting knife; 9. a winding device; 10. a feeding box; 11. a feeding pipe; 12. a first screen deck; 13. a second screen deck; 14. a first slide bar; 15. a first roller; 16. a first baffle plate; 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 disk; 32. a limiting groove; 33. a limiting column; 34. mounting holes; 35. a limiting rod; 36. a second spring; 37. a sliding post; 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 the column; 45. a third baffle plate; 46. a strip hole; 47. a fourth spring; 48. a fifth rotating shaft; 49. an electric telescopic rod; 50. a swing lever; 51. a second roller; 52. a fourth gear; 53. a fourth baffle; 54. a rolling 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 vertical plate; 64. a second vertical plate; 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 rotating shaft; 71. a second sprocket; 72. a second bevel gear; 73. a chain; 74. a slider; 75. a slide rail; 76. a sliding table; 77. a first connecting rod; 78. a second connecting rod; 79. a rack; 80. an eighth rotating shaft; 81. a meshing gear; 82. a first pulley; 83. mounting a plate; 84. a ninth rotating shaft; 85. a third belt pulley; 86. a second pulley; 87. a first conveyor belt; 88. a guide plate; 89. a tenth rotating shaft; 90. a fourth belt pulley; 91. a second conveyor belt; 92. fixing the rod; 93. a cutting knife; 94. a light shading layer; 95 dark light-shielding layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present invention provides a two-color shading 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-color preparation raw materials of the light-color shading layer 94 comprise the following components in parts by weight: 10-20 parts of light-color master batch, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate;
the dark color preparation raw material of the dark color shading layer 95 comprises the following components in parts by weight: 10-20 parts of carbon black, 70-80 parts of tpu, 5-10 parts of a slipping agent and 5-10 parts of calcium carbonate.
The working principle and the beneficial effects of the technical scheme are as follows: light shading layer 94 sets up at dark light shading layer 95 upper surface, and dark light shading layer 95 can effectively block light, and the shading is effectual, and light shading layer 94 has the reflection of light effect, avoids light direct irradiation dark light shading layer 95 and makes dark light shading layer 95 ageing-accelerating, has prolonged the holistic life of double-colored photomask 5.
The embodiment of the invention also provides a preparation method of the double-color light-shielding film, which is used for preparing the double-color light-shielding film and comprises the following steps as shown in fig. 2-8:
step 1: scattering the light color preparation raw material and the dark color preparation raw material through a feeding device 1, respectively stirring and mixing, and then baking;
and 2, step: respectively putting the baked light-color preparation raw material and the baked dark-color preparation raw material into an inner-layer spiral flow passage and an outer-layer spiral flow passage of a screw extruder 2, and simultaneously performing melt extrusion and blow molding through a blow molding machine 3 to prepare a film tube 4;
and 3, step 3: and symmetrically cutting the middle part of the film tube 4 along the axis direction and then rolling to obtain the double-color light shielding film 5.
The working principle and the beneficial effects of the technical scheme are as follows: firstly, respectively preparing a light color preparation raw material and a dark color preparation raw material, wherein the light color preparation raw material is used for preparing a light color shading layer 94, and the light color preparation raw material comprises the following components in parts by weight: 10-20 parts of light-color master batch, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate, wherein the dark color preparation raw material is used for preparing a dark color shading layer 95, and comprises the following raw materials in parts by weight: 10-20 parts of carbon black, 70-80 parts of tpu, 5-10 parts of a slipping agent and 5-10 parts of calcium carbonate, scattering light-color preparation raw materials and dark-color preparation raw materials through a feeding device 1, respectively stirring and mixing, and then baking; then, respectively feeding the baked light-color preparation raw material and the baked dark-color preparation raw material into an inner-layer spiral flow channel and an outer-layer spiral flow channel of a screw extruder 2, and simultaneously performing melt extrusion and blow molding through a blow molding machine 3 to obtain a film tube 4; finally, will 4 middle parts of diaphragm capsule are cut the back rolling along axis direction symmetry, obtain double-colored photomask 5, in the invention, break up the preparation raw materials automatically through feed arrangement 1, replace manual work, reduce intensity of labour, improve production efficiency, save cost, through making double-colored photomask 5, it can effectively block light to utilize dark colour preparation raw materials to make dark colour light shield layer 95, the shading effect is good, it has the effect of reflecting light to utilize light colour preparation raw materials to make light colour light shield layer 94, avoid light direct irradiation dark colour light shield layer 95 and make light shield layer dark colour accelerated ageing, the holistic life of double-colored photomask 5 has been prolonged.
Example 2
On the basis of the above example 1, as shown in fig. 3, in the step 1, two stirring devices 6 are selected first, a feeding device 1 is arranged 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 material baking cylinder 7, a light color preparation raw material and a dark color preparation raw material 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 material and the dark color preparation raw material in the two stirring devices 6 are uniformly mixed, the stirred light color preparation raw material and dark color preparation raw material are simultaneously added into the corresponding material baking cylinders 7 for baking;
in the step 1, the baking temperature of the baking 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 baking material cylinder 7, a screw extruder 2, a blow molding machine 3 and a winding device 9 which are sequentially communicated, in order to improve the preparation efficiency, two stirring devices 6 are needed to be arranged, the stirring devices 6 are the existing plastic drying and stirring machines, the stirring devices 6 are respectively provided with the feeding device 1, light-color preparation raw materials are added into one stirring device 6 through the feeding device 1, then dark-color preparation raw materials are added into 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 uniformly mixed light-color preparation raw materials and dark-color preparation raw materials are respectively added into the two baking material cylinders 7 to be independently baked, the baking material cylinder 7 is the existing vertical material baking machine for injection molding, the baking temperature of the baking material cylinders 7 is 125-130 ℃, the baking time is 35min-55min, the preparation raw materials after the stirring are baked, the adhesiveness between various raw materials can be improved, the extrusion forming of subsequent sequences is facilitated, the strength of the double-color shading film 5 is increased, the output end of the stirring device 6 is directly communicated with the input end of the baking material cylinder 7, the preparation raw materials which are uniformly stirred can be automatically conveyed into the baking material cylinder 7, the automatic connection of the stirring device 6 and the baking material cylinder 7 is realized, the labor cost is reduced, the device interval is shortened, and the production efficiency is improved.
Example 3
On the basis of the embodiment 1 or 2, as shown in fig. 3, in the step 2, the screw extruder 2 and the blow molding machine 3 are designed integrally;
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, the integration of a preparation device is realized, the floor area of equipment is reduced, the heating temperature of the screw extruder 2 is 170-210 ℃, and light-color preparation raw materials and 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 and rear sides of the film tube 4, the cutting knives 8 are symmetrically cut into two groups of bicolor light-shielding films 5 along the central axis direction of the film tube 4, winding devices 9 are symmetrically arranged on the left and right sides of the film tube 4, and the two winding devices 9 respectively wind the two groups of bicolor light-shielding films 5.
The working principle and the beneficial effects of the technical scheme are as follows: the film tube 4 is symmetrically provided with cutting knives 8, the cutting knives 8 can be fixed on the front side and the rear side of the film tube 4 through supports, then the cutting knives 8 are utilized to cut the film tube 4 into two groups of bilaterally symmetrical double-color shading films 5, the rolling devices 9 are symmetrically arranged on the left side and the right side of the film tube 4, and the two groups of bilaterally symmetrical shading films 5 can be rolled by utilizing the two rolling devices 9.
Example 5
On the basis of any one of embodiments 1 to 4, as shown in fig. 4 to 6, the feeding device 1 includes:
the feeding box 10 is provided with a feeding pipe 11 at the upper end of the feeding box 10, the lower end of the feeding pipe 11 is communicated with the interior of the feeding box 10, the upper end of the feeding pipe 11 is funnel-shaped, and the lower end of the feeding pipe 11 is round tubular;
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;
a second screen plate 13, the second screen plate 13 is slidably disposed in the feeding box 10, a first sliding rod 14 is disposed on the upper surface of the right side of the second screen plate 13, one end of the first sliding rod 14 is fixedly connected with the upper surface of the second screen plate 13, the other end of the first sliding rod 14 penetrates through the upper end of the feeding box 10, extends to the outside of the feeding box 10 and is provided with a first roller 15, the first sliding rod 14 is slidably connected with the top wall of the feeding box 10, a first baffle 16 is fixedly disposed on the first sliding rod 14, the first baffle 16 is located above the feeding box 10, a first spring 17 is disposed between the first baffle 16 and the upper surface of the feeding box 10, one end of the first spring 17 is fixedly connected with the lower surface of the first baffle 16, and the other end of the first spring 17 is fixedly connected with the upper surface of the feeding box 10;
the discharge pipe 18 is positioned below the second sieve plate 13, the upper end of the discharge pipe 18 is funnel-shaped, the lower end of the discharge pipe 18 is circular-tube-shaped, the periphery of the upper end of the discharge pipe 18 is fixedly connected with the inner wall of the feeding box 10, and the lower end of the discharge 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 covers the upper end of the feeding box 10, 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 inner wall of the right side 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 on the left side of the first rotating shaft 21, the upper end of the third rotating shaft 27 is rotatably 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, four sliding holes are arranged on the 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 respectively penetrate through the upper surface and the lower surface of the first rotating disc 31;
the limiting column 33 is arranged behind the limiting disc 28, one end of the limiting column 33 is fixedly connected with the inner wall of the rear side of the protective cover 19, one end of the limiting column 33, which is close to the third rotating shaft 27, is provided with a mounting hole 34, a limiting rod 35 is slidably arranged in the mounting hole 34, one end of the limiting rod 35, which is far 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, which is far away from the second spring 36, extends into the limiting groove 32, and one end of the limiting rod 35, which is close to the limiting groove 32, 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 part 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 part 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 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 rotatably 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 long hole 46, and the long 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 lower 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;
a 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 rotatably 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 elongated hole 46, 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, which is far away from the fifth rotating shaft 48, is provided with a second roller 51;
a fourth gear 52, wherein the fourth gear 52 is disposed on the fifth rotating shaft 48, the fourth gear 52 is located behind the lower pressing column 44, the fourth gear 52 is an incomplete gear, and the fourth gear 52 is intermittently meshed with the third gear 42;
and the fourth baffle 53 is fixedly arranged on the front side wall of the lower pressing column 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 material and the light color preparation raw material is the same, taking the feeding of the light color preparation raw material as an example, the prepared light color preparation raw material is sequentially fed into a feeding pipe 11, the light color preparation raw material moves downwards along the feeding pipe 11, falls into a feeding box 10 after being screened by a first screen plate 12, falls into a discharging pipe 18 through a second screen plate 13, and finally flows to the input end of the stirring device 6 from the lower end of the discharging pipe 18, in the feeding process, a first motor 20 is started, the first motor 20 rotates to drive a first rotating shaft 21 to rotate, the first rotating shaft 21 rotates to drive a first bevel gear 22 to rotate, the first bevel gear 22 rotates to drive a second bevel gear 25 to rotate, the second bevel gear 25 rotates to drive a second rotating shaft 24 and a cam 26 on the second rotating shaft 24 to rotate, under the action of a first spring 17, the outer wall of the first roller 15 is always abutted against the cam 26, 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 slide up and down in a reciprocating manner, the first sliding rod 14 drives the second sieve plate 13 to slide up and down in the feeding box 10 in a reciprocating manner, so that the light color preparation raw materials on the second sieve plate 13 are driven to roll up and down, on one hand, the screening of the light color preparation raw materials can be accelerated, the light color preparation raw materials can quickly pass through the second sieve plate 13, on the other hand, the second sieve plate 13 can be in a moving state all the time, the blocking probability of the second sieve plate 13 is reduced, the service life of the second sieve plate 13 is prolonged, the first rotating shaft 21 can drive the first gear 23 to rotate at the same time, the first gear 23 is an incomplete gear, the first gear 23 can be intermittently meshed with the second gear 30 when rotating, when the first gear 23 is meshed with the second gear 30, the second gear 23 drives the second gear 30 to rotate, and the second gear 30 drives the third rotating shaft 27 to rotate, the third rotating shaft 27 rotates to drive the limiting disc 28, the third bevel gear 29 and the first rotating disc 31 to rotate, the limiting disc 28 rotates to separate the limiting rod 35 from the limiting 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 rotating disc 31 can be driven to rotate for 45 degrees by each meshing of the first gear 23 and the second gear 30, so that the four sliding columns 37 change positions, the fourth bevel gear 43 can be driven to rotate when the third bevel gear 29 rotates, the fourth bevel gear 43 drives the fourth rotating shaft 41 to rotate, the fourth rotating shaft 41 drives the third gear 42 to rotate, because the fourth gear 52 is an incomplete gear, in the initial position, a semicircle with teeth is arranged on the fourth gear 52, a semicircle with teeth is not arranged on the lower semicircle of the fourth gear 52, a tooth position on the right side of the semicircle on the fourth gear 52 is meshed with the third gear 42, and the second roller 51 of the swinging rod 50 is in a left-lowest position under the action of gravity, the swing lever 50 is located on one side of the central line of the fourth gear 52 far from the third gear 42, when the third gear 42 rotates, the third gear 42 is engaged 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 swing lever 50 to swing clockwise, the swing lever 50 gradually contacts with the lower surface of the fourth baffle 53 in the swinging process and drives the fourth baffle 53 to move upwards gradually, the outer wall of the second roller 51 also contacts 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, because the fourth gear 52 is an incomplete gear, after the first gear 23 is engaged with the second gear 30, the limiting rod 35 is inserted into the limiting groove 32 again to prevent the third rotating shaft 27 from rotating, the stability of the third rotating shaft 27 is improved, meanwhile, the third gear 42 is engaged with the fourth gear 52, the swinging rod 50 swings downwards clockwise under the action of gravity, the lower pressing column 44 is quickly restored to the original position under the action of the elastic force of the fourth spring 47, the lower pressing column 44 moves downwards to 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-color preparation raw material in the feeding pipe 11, so that the caked TPU particles are scattered, the TPU particles smoothly pass through the first sieve plate 12, the feeding pipe 11 is prevented from being blocked by the caked TPU particles, the diameters of the four knocking blocks 39 are gradually increased, the knocking block 39 with the smallest diameter is firstly used for knocking the caked TPU particles in the feeding pipe 11, then the areas of the knocking blocks 39 are gradually increased, and are scattered gradually one by one, the power of the first motor 20 can be saved, the phenomenon that agglomerated TPU particles are large and cannot be scattered once is avoided, the scattering effect is improved, when the first rotating disc 31 rotates, the second baffle 38 is separated from the lower pressing column 44, under the action of the third spring 40, the sliding column 37 is quickly restored to the original position, the knocking block 39 is enabled to move to the position above the feeding pipe 11, the interference between the knocking block 39 and the feeding pipe 11 when the first rotating disc 31 rotates is avoided, in addition, the first controller is arranged on the inner wall of the protective cover 19 and electrically connected with the electric telescopic rod 49, the first controller can control the electric telescopic rod 49 to stretch out and draw back, the swing radius of the swing rod 50 is adjusted, when the electric telescopic rod 49 extends out, the swing radius of the swing rod 50 can be increased, the stroke of the lower pressing column 44 is increased, the knocking depth of the knocking block 39 is increased, when the electric telescopic rod 49 retracts, the swing radius of the swing rod 50 can be reduced, the stroke of the lower pressing column 44 is reduced, reduce the strike degree of depth of strikeing piece 39, be provided with position sensor in inlet pipe 11, position sensor can detect the height of light color preparation raw materials in the inlet pipe 11, the perpendicular distance of light color preparation raw materials peak to first sieve 12 in the inlet pipe 11 promptly, according to position sensor's detected value, first controller can stretch out and draw back by automatic control electric telescopic handle 49, thereby the degree of strikeing of piece 39 is strikeed in automatic adjustment, make and strike in the light color preparation raw materials that piece 39 can just in time all get into inlet pipe 11, the holistic degree of automation of device has been improved.
Example 6
On the basis of any one of embodiments 1 to 5, as shown in fig. 7, the winding device 9 includes:
the front end and the rear end of the rolling box 54 are both provided with open ends, the upper end of the rolling box 54 is provided with an opening 55, the front end and the rear end of the rolling box 54 are symmetrically provided with fixing plates 56, and the upper ends of the fixing plates 56 are fixedly connected with the inner wall of the upper end of the rolling box 54;
a sixth rotating shaft 57, the sixth rotating shaft 57 is disposed between the two fixing plates 56, front and rear ends of the sixth rotating shaft 57 are rotatably connected to inner walls of the fixing plates 56 on front and rear sides, respectively, a rear end of the sixth rotating shaft 57 extends to the rear of the fixing plate 56 on the rear side and is provided with a first sprocket 58, a wind-up roller 59 is disposed on the sixth rotating shaft 57, one end of the dual-color light-shielding film 5 passes through the opening 55 and is wound on the wind-up roller 59, and the wind-up roller 59 is used for winding up the dual-color light-shielding film 5;
the sliding plate 60 is arranged in the winding box 54 in a sliding manner, 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 manner;
a fifth spring 61, wherein the fifth spring 61 is arranged 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 rolling box 54, and the right end of the base 62 is fixedly connected with the left side wall of the rolling box 54;
a first vertical plate 63, wherein 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;
one end of the spline housing 68 is sleeved on the right end of the second spline shaft 67, the other end of the spline housing 68 is sleeved on 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, said fifth bevel gear 69 being provided on said second splined shaft 67;
a seventh rotating shaft 70, the seventh rotating shaft 70 being located behind the second spline shaft 67, the rear end of the seventh rotating shaft 70 being rotatably connected to the front side wall of the second vertical plate 64, the seventh rotating shaft 70 being provided with a second sprocket 71 and a sixth bevel gear 72 in sequence from the rear to the front, the sixth bevel gear 72 being engaged with the fifth bevel gear 69, the second sprocket 71 being in driving connection with the first sprocket 58 via a chain 73;
a sliding block 74, wherein 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 slide rail 75 is arranged on the base 62, and a sliding table 76 is arranged on the slide rail 75 in a sliding manner;
a first connecting rod 77, wherein 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 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 is sleeved 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;
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, which is far away from the sliding plate 60, is toothed;
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 rotatably 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 is arranged at the upper end of the winding box 54, the mounting plate 83 is located 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 rotatably 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 transmission 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, the tenth rotating shaft 89 is disposed 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 rotatably connected with the front side wall of the mounting plate 83, a fourth belt pulley 90 is disposed 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 transmission belt 91;
the fixing rod 92 is arranged at the front end of the tenth rotating shaft 89, the fixing rod 92 is perpendicular to the tenth rotating shaft 89, the upper end of the tenth rotating shaft 89 is fixedly connected with the front end of the tenth rotating shaft 89, the lower end of the tenth rotating shaft 89 is provided with a cutting knife 93, and the cutting knife 93 is used for cutting off the double-color light shielding 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 two-color shading film 5 penetrates 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 housing 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 drives the first sprocket 58 to rotate 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 two-color shading film 5, and the thickness of the two-color shading film 5 wound on the winding roller 59 is increased, the sliding plate 60 is gradually pressed downwards by the two-color shading film 5 wound on the wind-up roller 59, the sliding plate 60 slides downwards to drive the sliding block 74 and the rack 79 to move downwards, when the sliding block 74 moves downwards, the first connecting rod 77 drives the sliding table 76 to slide along the sliding rail 75 from right to left, the sliding table 76 drives the spline housing 68 to slide left through the second connecting rod 78, the rack 79 moves downwards to drive the engaging gear 81 to rotate anticlockwise, the engaging 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 through 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, the third belt pulley 85 drives the fourth belt pulley 90 to rotate through the second conveying belt 91, the fourth belt pulley 90 drives 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 contacts with the double-color shading film 5 at the opening 55, the double-color shading film 5 is cut off after the double-color shading film 5 is 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 and does not wind 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 double-color shading film 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, the double-color shading film 5 can be wound automatically by arranging the winding device 9, the thickness uniformity of the double-color shading film 5 of each roll is ensured according to the thickness change of the double-color shading film 5 with the fixed thickness, and when the double-color shading film 5 is wound to the fixed thickness, the cutting off cutter 93 can be with double-colored photomask 5 automatic cutout, does not need the manual work to cut off, has improved the degree of automation of device and the security when cutting off, has promoted production efficiency, in addition, spline housing 68 can also with first integral key shaft 66 autosegregation, stops the rolling work, when avoiding taking off the double-colored photomask 5 that the rolling was accomplished, second motor 65 was not closed and is driven wind-up roll 59 and continue to rotate and cause the injury people accident, has further improved the security of coiling mechanism 9.
Example 7
On the basis of any one of embodiments 1 to 6, further comprising:
the heat-insulating 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-insulating layer and used for detecting the temperature of the inner wall of the heat-insulating layer;
the second temperature sensor is arranged on the outer wall of the baking material barrel 7 and used for detecting the temperature of the outer wall of the baking material barrel 7;
the alarm is arranged outside the roasting barrel 7;
the second controller is arranged outside the baking barrel 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:
the method comprises the following steps: based on the detected values of the first and second temperature sensors, the actual baking efficiency of the baking cylinder 7 is calculated by the following formula:
Figure BDA0003704858480000221
wherein eta 0 Is the actual baking efficiency of the baking cartridge 7, c 0 Specific heat capacity, T, of material of the roasting barrel 7 1 Temperature, T, of the inner wall of the insulation layer detected by the first temperature sensor 2 Temperature of the outer wall of said roasting cylinder 7, theta, detected by a second temperature sensor 0 Is the thickness of the insulating layer, gamma 0 Is the thermal conductivity of the insulating layer, theta 1 Thickness of the baking barrel 7, γ 1 Is the heat conductivity coefficient, Q, of the material of the roasting barrel 7 1 The rated power of the roasting barrel 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 out an alarm prompt.
The working principle and the beneficial effects of the technical scheme are as follows: the inner wall of the baking cylinder 7 is provided with a heat preservation layer which can prevent heat loss in the baking cylinder 7 and improve the heat utilization rate so as to rapidly bake the preparation raw materials, after baking is started, the baking cylinder 7 rapidly reaches baking temperature, after the baking cylinder 7 works for a preset time, the preset time is 45min, at the moment, the temperature of the inner wall of the heat preservation layer is detected through a first temperature sensor, the temperature of the outer wall of the baking cylinder 7 is detected through a second temperature sensor, then the actual baking efficiency of the baking cylinder 7 is calculated according to the formula, then a second controller compares the calculated actual baking efficiency with the preset baking efficiency (the preset baking efficiency is 50%), when the actual baking efficiency is lower than the preset baking efficiency, the second controller controls an alarm to automatically give an alarm prompt, the automation degree of the baking cylinder 7 is improved, at the moment, a worker can timely overhaul the baking cylinder 7 according to the alarm prompt, thereby ensuring that the actual baking efficiency of the baking cylinder 7 is not lower than the preset baking efficiency and providing guarantee for production.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A two-color light-shielding film, comprising: and a light shielding layer (94) and a dark shielding layer (95), wherein the light shielding layer (94) is provided on the upper surface of the dark shielding layer (95).
2. The bi-color light-shielding film according to claim 1,
the light-color preparation raw material of the light-color shading layer (94) comprises the following components in parts by weight: 10-20 parts of light-color master batch, 70-80 parts of tpu, 5-10 parts of slipping agent and 5-10 parts of calcium carbonate;
the dark color preparation raw material of the dark color shading layer (95) comprises the following components in parts by weight: 10-20 parts of carbon black, 70-80 parts of tpu, 5-10 parts of a slipping agent and 5-10 parts of calcium carbonate.
3. A method for producing a two-color light-shielding film for producing the two-color light-shielding film according to any one of claims 1 to 2, comprising the steps of:
step 1: scattering light-color preparation raw materials and dark-color preparation raw materials through a feeding device (1), respectively stirring and mixing, and then baking;
and 2, step: respectively putting the baked light-color preparation raw material and the baked dark-color preparation raw material into an inner-layer spiral flow channel and an outer-layer spiral flow channel of a screw extruder (2), and simultaneously performing melt extrusion and blow molding through a blow molding machine (3) to prepare a film tube (4);
and 3, step 3: and symmetrically cutting the middle part of the film tube (4) along the axis direction and then rolling to obtain the double-color light shielding film (5).
4. The method for preparing a two-color light-shielding film according to claim 3, wherein in the step 1, two stirring devices (6) are selected, 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), the two stirring devices (6) are respectively added with the light-color preparation raw material and the dark-color preparation raw material through the feeding device (1), and are stirred and mixed at the same time, and after the light-color preparation raw material and the dark-color preparation raw material in the two stirring devices (6) are mixed uniformly, the stirred light-color preparation raw material and dark-color preparation raw material are simultaneously added into the corresponding baking cylinders (7) for baking.
5. The method for producing a two-color light-shielding film according to claim 4, wherein in the step 1, the baking temperature of the baking barrel (7) is 125 ℃ to 130 ℃ and the baking time is 35min to 55 min.
6. The method for producing a two-color light-shielding film according to claim 3, wherein in the step 2, the screw extruder (2) and the blow molding machine (3) are integrally designed.
7. The method for preparing a two-color light-shielding film according to claim 3, wherein in the step 2, the heating temperature of the screw extruder (2) is 170 ℃ to 210 ℃.
8. The method for preparing the two-color light-shielding film according to claim 3, wherein in the step 3, the cutting knives (8) are symmetrically arranged at the front side and the rear side of the film tube (4), the cutting knives (8) are symmetrically cut into two groups of two-color light-shielding films (5) along the central axis direction of the film tube (4), the winding devices (9) are symmetrically arranged at the left side and the right side of the film tube (4), and the two winding devices (9) are respectively used for winding the two groups of two-color light-shielding films (5).
9. The manufacturing method of a two-color light-shielding film according to claim 5, wherein 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 interior of the feeding box (10), the upper end of the feeding pipe (11) is funnel-shaped, 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);
a second sieve plate (13), the second sieve plate (13) is slidably disposed in the feeding box (10), a first sliding rod (14) is disposed on the upper surface of the right side of the second sieve plate (13), one end of the first sliding rod (14) is fixedly connected with the upper surface of the second sieve plate (13), the other end of the first sliding rod (14) penetrates through the upper end of the feeding box (10), extends to the outside of the feeding box (10) and is provided with a first roller (15), the first sliding rod (14) is slidably connected with the top wall of the feeding box (10), a first baffle (16) is fixedly disposed on the first sliding rod (14), the first baffle (16) is located above the feeding box (10), a first spring (17) is disposed between the first baffle (16) and the upper surface of the feeding box (10), one end of the first spring (17) is fixedly connected with the lower surface of the first baffle (16), the other end of the first spring (17) is fixedly connected with the upper surface of the feeding box (10);
the discharge pipe (18) is located below the second sieve plate (13), the upper end of the discharge pipe (18) is funnel-shaped, the lower end of the discharge pipe (18) is tubular, the periphery of the upper end of the discharge pipe (18) is fixedly connected with the inner wall of the feeding box (10), and the lower end of the discharge 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 covered at the upper end of the feeding box (10), 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 inner wall of the right side 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) is located on the left side of the first rotating shaft (21), the upper end of the third rotating shaft (27) is rotatably 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), four sliding holes are formed in the first rotating disc (31) along the circumferential direction and distributed in an annular array mode, 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);
a limiting column (33), wherein the limiting column (33) is arranged behind the limiting disc (28), one end of the limit column (33) is fixedly connected with the inner wall of the rear side of the protective cover (19), one end of the limiting column (33) close to the third rotating shaft (27) is provided with a mounting hole (34), a limiting rod (35) is arranged in the mounting hole (34) in a sliding manner, a second spring (36) is arranged at one end, far away from the limiting disc (28), of the limiting rod (35), 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) far away from the second spring (36) extends into the limiting groove (32), one end of the limiting rod (35) close to the limiting groove (32) is matched with the inner wall of the limiting groove (32);
the sliding column (37) is arranged in the sliding hole in a sliding mode, the upper end of the sliding column (37) extends to the position above the first rotating disc (31) and is provided with a second baffle (38), the lower end of the sliding column (37) extends to the position below 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 plate (38);
the fourth rotating shaft (41), 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 rotatably 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 plate (45), the center of the lower pressing column (44) is provided with a long hole (46), and the long 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 lower 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) 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 rotatably 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-shaped hole (46), 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, far away from the fifth rotating shaft (48), of the swinging rod (50) 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 lower pressing column (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 lower pressing column (44), and the fourth baffle (53) is positioned above the fifth rotating shaft (48).
10. The method for preparing the double-color light shielding film according to claim 8, wherein the rolling device (9) comprises:
the front end and the rear end of the rolling box (54) are both provided with open ends, the upper end of the rolling box (54) is provided with an opening (55), the front end and the rear end of the rolling box (54) are symmetrically provided with fixing plates (56), and the upper ends of the fixing plates (56) are fixedly connected with the inner wall of the upper end of the rolling box (54);
a sixth rotating shaft (57), the sixth rotating shaft (57) being disposed between the two fixing plates (56), the front and rear ends of the sixth rotating shaft (57) being rotatably connected to the inner walls of the fixing plates (56) at the front and rear sides, respectively, the rear end of the sixth rotating shaft (57) extending to the rear of the fixing plate (56) at the rear side and being provided with a first sprocket (58), a wind-up roller (59) being disposed on the sixth rotating shaft (57), one end of the dichroic shielding film (5) passing through the opening (55) and being wound on the wind-up roller (59), the wind-up roller (59) being configured to wind the dichroic shielding film (5);
the sliding plate (60) is arranged in the rolling box (54) in a sliding mode, and the left end and the right end of the sliding plate (60) are connected with the inner walls of the left side and the right side of the rolling box (54) in a sliding mode respectively;
the fifth spring (61), the fifth spring (61) is arranged 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 coiling box (54);
the base (62), the said base (62) is set up in the left side of the said rolling box (54), the said base (62) right end and said rolling box (54) left sidewall fixed connection;
a first vertical plate (63), wherein 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 vertical plate (64), wherein 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 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);
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) disposed on the second splined shaft (67);
the seventh rotating shaft (70), the seventh rotating shaft (70) is located behind 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 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);
a sliding block (74), wherein the sliding block (74) is arranged at the left end of the sliding plate (60), and the sliding block (74) is connected with the front side wall of the winding box (54) in a sliding way;
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 is sleeved 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);
the rack (79) is vertically arranged at the right end of the sliding plate (60), and one side, far away from the sliding plate (60), of the rack (79) is provided with teeth;
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 rotatably 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) sets up in rolling-up box (54) upper end, mounting plate (83) are located opening (55) right side, lateral wall sets up ninth pivot (84) before mounting plate (83), ninth pivot (84) rear end with lateral wall rotates before mounting plate (83) and is connected, set gradually third belt pulley (85) and second belt pulley (86) from back to front on ninth pivot (84), second belt pulley (86) pass through first conveyer belt (87) with first belt pulley (82) transmission is connected;
the guide plate (88) is vertically arranged at the upper end of the winding box (54), the guide plate (88) is positioned on 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);
the tenth rotating shaft (89) is arranged on one side, close to the guide plate (88), of the mounting plate (83), the tenth rotating shaft (89) is parallel to the ninth rotating shaft (84), the rear end of the tenth rotating shaft (89) is rotatably 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 fixing rod (92) is arranged at the front end of the tenth rotating shaft (89), the fixing rod (92) is perpendicular to the tenth rotating shaft (89), the upper end of the tenth rotating shaft (89) is fixedly connected with the front end of the tenth rotating shaft (89), a cutting-off knife (93) is arranged at the lower end of the tenth rotating shaft (89), and the cutting-off knife (93) is used for cutting off the double-color shading film (5).
CN202210704619.5A 2022-06-21 2022-06-21 Bicolor shading film and preparation method thereof Active CN114987026B (en)

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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

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