63 results about "Mylar foil" patented technology

A drone deployable modular system for remote solar energy generation utilizes remote-controlled multi-rotor drones configured to deliver and maintain modular heliostat units for assembly into heliostat fields in remote locations. The drone deployable modular heliostat unit may include a frame that supports at least one deployable, mirrored surface controlled by a heliostat driver. In one embodiment, the deployable, mirrored surface is a MYLAR film tensioned over a mirror frame portion supported and controlled by the heliostat driver to orient a working face of the mirrored surface in various positions. The drone deployable modular heliostat unit may include a deployable stand arrangement and / or an anchor system. The modular heliostat units may be configured to be deployed in heliostat fields in a generally peripheral arrangement to provide reflected solar energy to a centrally located concentrating solar collector / energy utilization system.

The invention discloses a mechanoluminescent film and application thereof. The mechanoluminescent film is a technical material capable of visualizing damage of a material in a package in a transportation process, a PET polyester film is used as a basic material, the mechanoluminescent material and a polyurethane acrylate adhesive are mixed, and the mixture is uniformly coated on the material in the package, so that the mechanoluminescent film is obtained. The materials in the package can generate optical response when being subjected to vibration or external force, and then vibration damage can be visualized by detecting optical changes. The optical response degree of the surface of the material in the package also represents the degree of vibration or damage.

The utility model discloses a die-cutting forming device for a PET (polyethylene terephthalate) polyester film, relates to the technical field of film die-cutting devices, and solves the problems that when an existing device is used, the film is in a die core after die cutting and is inconvenient to take out, the PET polyester film can be pressed tightly only by manual operation, the position of a pressing plate is fixed and cannot be adjusted, and the practicability is reduced. According to the scheme, the automatic ejection mechanism comprises a base, stand columns are fixedly connected to the two sides of the upper surface of the base, a top plate is fixedly connected to the top ends of the stand columns, an electric push rod is fixedly connected to the upper surface of the top plate in a penetrating mode, and a lower die base is fixedly connected to the upper surface of the base. According to the PET polyester film die-cutting device, the die-cutting mechanism is arranged, the die-cutting mechanism is arranged, the ejector plate can be automatically driven to move upwards to eject the die-cut PET polyester film out, so that the PET polyester film is conveniently taken out, the adjustable pressing mechanism is arranged, the PET polyester film can be automatically pressed, manual pressing is not needed, the PET polyester films with different widths can be pressed, and the practicability is improved.

The present invention discloses an anti-sticking and anti-falling conductive foam for computer casings, comprising a release paper, an upper protective film, a lower protective film, a support frame and a release film arranged in sequence from top to bottom. The upper protective film and the lower protective film have the same structure, the same number and one-to-one correspondence in position. All the upper protective films and the lower protective films are placed parallel to the release paper. The side of the lower protective film away from the upper protective film is provided with conductive foam at intervals. The support frame is provided with a hollow, and the conductive foam is located in the hollow and the adhesive surface of the conductive foam facing the release film does not contact the release film. In the present invention, by providing a support frame with a thickness greater than that of the conductive foam, the problem of easy sticking of the conductive foam in the prior art is solved. By bonding the support frame and the polyester film to each other and then connecting the lower protective film, the problem of easy falling of the conductive foam in the prior art is solved. The structure is simple and reasonable. The conductive foam obtained by the present invention has the advantages of conductivity, high adhesion, easy peeling, anti-static, anti-sticking, and anti-falling, and is suitable for industrial promotion and use.

Wafer processing method for dividing a wafer (1) along multiple division lines (3) to obtain multiple individual component chips (1c), wherein the division lines (3) are formed on the front face (1a) of the wafer (1) such that they define multiple separate areas in which multiple components (5) are individually formed, wherein the wafer processing method comprises: a ring frame preparation step of preparing a ring frame (7) which has an inner opening (7a) for receiving the wafer (1); a polyester film provisioning step of positioning the wafer in the inner opening (7a) of the ring frame (7) and providing a polyester film (9) on a rear side (1b) of the wafer (1) and on a rear side (7c) of the ring frame (7), wherein no adhesive layer is arranged between the polyester film (9) and the wafer (1); a joining step of heating the polyester film (9) during the application of a pressure to the polyester film (9) after performing the polyester film provisioning step, whereby the wafer (1) and the ring frame (7) are joined by thermocompression joining over the polyester film (9) so that they form a frame unit (11) in a state in which the front (1a) of the wafer (1) and the front (7b) of the ring frame (7) are exposed; a division step of cutting the wafer (1) along each division line (3) using a cutting device (12) having a rotatable cutting blade (18), after performing the joining step, thereby dividing the wafer (1) into the individual component chips (1c); and a pickup step of blowing air out from the side of the polyester film (9) so that each component chip (1c) is pushed up, and picking up the component chip (1c) from the polyester film (9) after performing the division step.

The utility model discloses a self-adhesive label with a multi-layer reinforcing structure, and relates to the technical field of self-adhesive labels. The label protection device comprises a protection part, wherein the protection part is used for protecting the label to improve the strength; the label part is installed in the protection part, and the label part is used for being pasted on an object; wherein a reinforcing structure is arranged on the label part. According to the utility model, the reinforcing layer is arranged, specifically, after the label main body is pasted, the internal reinforcing layer plays a role in reinforcing the label main body, and the reinforcing layer can be made of various materials, such as a polyester film, a metal foil or a special composite material; the label body is arranged on the base layer and used for preventing the label body from being torn, punctured, abraded and corroded by chemical substances in the using process, the base layer in the label body is used for supporting the label body, and the strength is improved again by adopting a tough material with certain flexibility, such as paper or a plastic film subjected to special treatment.

There is a mylar matrix band. The mylar matrix band has an elongated thin plastic film having an overall shape of an inverted-V with a flattened middle, and including three regions, specifically: a middle region having a primary axis along a horizontal extent thereof; a left region adjacent to the middle region and extending at a first angle from the primary axis of the middle region; and a right region adjacent to the middle region opposite the left region and extending at a second angle from the primary axis of the middle region; wherein the first and second angles are between 25-60 degrees from the primary axis and an interior length of the middle region as measured from an interior transition between each of the left region and right region is greater than 5 mm.

The burr-proof slitting device for the high-transparency scratch-resistant polyester film comprises a supporting base, two supporting top boxes are symmetrically and fixedly connected to the top of the supporting base, and first adjusting sliding plates are slidably connected to the interiors of the two supporting top boxes; the cutting device has the advantages that by arranging the limiting sliding plates, the pointed clamping blocks and the pointed clamping grooves, the distance between the cutter holders and the outer cutters is limited and fixed after being adjusted, the connecting rings and the outer sides of the rotating shafts are limited and fixed, the cutter holders are fixed after being adjusted on the outer sides of the rotating shafts, and therefore the cutter holders are fixed, and the cutting efficiency is improved. By arranging an adjusting moving plate, a first adjusting sliding plate and a supporting top frame, the height position of the adjusting moving plate is adjusted when a second adjusting lead screw rotates, and the height positions of the first adjusting sliding plate and the supporting top frame are adjusted by adjusting the height position of the adjusting moving plate; and the strip cutting height is adjusted.

The present invention discloses a self-heating beverage container to heat beverages conveniently. The self-heating beverage container offers a user-friendly, efficient, and economically viable solution for producing single-serve hot beverages on the go. The self-heating beverage container include a paperboard carton or corrugated paperboard sleeving, an insulated container bag housing a bag made from mylar or polypropylene and lined with a reflective foil layer, a packet containing exothermic minerals, and a liquid chamber with a puncture device. The self-heating beverage container upon activation of the puncture device releases water into the insulated container bag, initiating an exothermic reaction that rapidly warms the beverage. The integration of these components ensures optimal heating efficiency and user experience, addressing the shortcomings of prior art and enabling seamless widespread adoption of self-heating beverage containers.

Liquid crystal displays (LCDs) and methods of making LCDs are provided where a layered stack of components is secured with at least one piece of tape, such as black mylar tape. The layered stack is bonded to a cover glass and optionally a touch panel / sensor with an optically clear adhesive (OCA). Methods and apparatuses include at least one piece of tape secured to a front side of the layered stack such that the at least one piece of tape folds over the perimeter of the layered stack and is secured to a rear side of the layered stack.

The utility model relates to the technical field of die head maintenance, in particular to a die head maintenance support with an angle adjusting function, which comprises a first support and a second support which are detachably connected, the first support and the second support are oppositely arranged, and each of the first support and the second support comprises an angle adjusting handle, a die head connector, an angle self-locking device, a supporting frame and a base. The angle adjusting handle and the angle self-locking device are connected to the two ends of the die head through the corresponding die head connectors respectively, the angle adjusting handle is used for adjusting the angle of the die head, the angle self-locking device is used for locking the die head after the angle is adjusted, and the die head is installed on the supporting frame; the two supporting frames installed on the first support and the second support respectively are installed on the corresponding bases in a sliding mode so as to adjust the distance between the two die heads. The die head maintenance support with the angle adjustment function aims at solving the problem that the angle adjustment difficulty of a polyester film die head maintenance support is large.

The invention relates to the technical field of functional film material preparation, in particular to a high-viscosity air-guiding release film and a manufacturing method thereof.The manufacturing method comprises the following steps that S1, a two-way stretching polyester film is subjected to corona treatment to form a base material layer; s2, adhesive coating liquid is prepared; s3, coating the adhesive coating liquid on the surface of the base material layer to form an adhesive layer; s4, preparing a gas guide layer coating liquid; s5, coating the adhesive layer with a gas guide layer coating liquid to form a gas guide functional layer matrix; s6, a snakelike micro-channel is machined in the surface of the air guide functional layer base body formed in the step S5; and S7, carrying out hot pressing treatment, and rolling to obtain the finished release film. According to the invention, through collaborative design of a multi-layer structure and precise control of process parameters, compatibility of strong adhesion performance and a controllable gas guide function is realized, and the problem that gas discharge of an existing release film is limited in a high-viscosity state is solved.

The processing device for the polyester film coated with the ultraviolet-resistant coating on the surface comprises an operation table, one end of the top of the operation table is fixedly connected with a vertical plate, one side of the vertical plate is in sliding connection with a transverse plate, the bottom of the transverse plate is in sliding connection with a mounting plate, the middle of the bottom of the mounting plate is fixedly connected with a cutter, and fixing rods are arranged on the two sides of the cutter. Each fixing rod is fixedly connected with the mounting plate, the bottom end of each fixing rod is in sliding connection with a sliding rod, and the bottom end of each sliding rod is fixedly connected with a pressing plate. The film cutting device has the advantages that the two sides of the cutting position of a film can be effectively positioned and pressed, and then the situation that cutting is affected due to displacement of the film is effectively avoided; and the situation that due to the fact that traditional equipment is not provided with a positioning and pressing mechanism, film deviation easily occurs during cutting, and cutting is affected is effectively avoided, and the using effect of the equipment is effectively guaranteed.

The utility model discloses automatic arranging and packaging equipment for polyester films, which comprises a base, a conveying mechanism is mounted on the base, a first mounting frame is arranged on one side of the base, a coiled film conveying belt component is mounted on the first mounting frame, and the coiled film conveying belt component is used for conveying cylindrical coiled polyester films; a second mounting frame is arranged on one side of the base, and a packaging box conveying belt assembly is mounted on the second mounting frame and used for conveying packaging boxes. Through the arrangement of the taking and placing assembly, after the coiled film conveying belt assembly conveys the coiled film in place, under the cooperation of all structures, the supporting barrel extends into the inner side of the cylindrical coiled polyester film, and the sliding block is driven to move towards the direction of the baffle disc based on the work of the electric telescopic cylinder, so that all the arc-shaped elastic strips are raised; the cylindrical coiled polyester film is supported and fixed from inside to outside, and carrying is convenient.

The invention discloses an efficient low-cost anti-collision dustproof camera module protection structure which comprises a silica gel protection film, a first double-sided adhesive layer, a first polycarbonate layer, a second double-sided adhesive layer, a second polycarbonate layer, a third double-sided adhesive layer, a first polyester film, a second polyester film, a fourth double-sided adhesive layer and a third polyester film which are sequentially arranged from bottom to top. The camera module is mainly used for protecting the camera module in the assembling process of a notebook computer, the middle of the product is made of a hard PC material, targeted structural design is conducted on the lens protruding part of the camera module, high-strength supporting can be provided for the product by designing the through hole, and therefore anti-collision protection is conducted on the precise camera module, and the service life of the camera module is prolonged. When the camera module is actually attached and used, the camera module is shielded by the first polyester film, the second polyester film, the fourth double-sided adhesive layer and the third polyester film, the camera module is positioned in a closed space after being attached, a dustproof function is provided, and the first polyester film is red, so that whether the camera module is missed or not can be conveniently identified.

The utility model discloses a camera long distance transmission image signal cable, which relates to the cable technical field, and comprises an outer sleeve layer, a metallization PET polyester film and an STP network cable assembly, the inner side of the outer sleeve layer is provided with a metal foil shielding layer, the inner side of the metal foil shielding layer is provided with the metallization PET polyester film, and the inner side of the metal foil shielding layer is provided with the STP network cable assembly. Two STP network cable assemblies are arranged on the inner side of the metallized PET polyester film, each STP network cable assembly comprises a Pet insulating layer, an Al-Mylar polyester film layer and an STP cable, and the Al-Mylar polyester film layer is arranged on the inner side of the Pet insulating layer. According to the cable for long-distance transmission of the image signals of the camera, the MCC cable can transmit radio-frequency signals or high-definition camera signals so as to be used for long-distance transmission of the image signals, the STP network cable assembly is a shielding wire and has the advantages of reducing signal attenuation and preventing information from being eavesdropped, and the MCC cable is matched with a 7C wire so that the cable has the dual effects of electric power and image signal transmission.

The utility model discloses an efficient multi-layer sound insulation board convenient to splice. The efficient multi-layer sound insulation board effectively solves the problems that an existing sound insulation board is poor in sound insulation effect and difficult to splice. Comprising a glass wool board, polyester films are fixedly connected to the front and rear ends of the glass wool board respectively, a cement fiberboard is fixedly connected to the front end of the polyester film layer on the front side, a sound insulation felt is fixedly connected to the front end of the cement fiberboard, and a galvanized plate is fixedly connected to the front end of the sound insulation felt; the glass wool board is made of 48K glass wool, good sound insulation and heat preservation effects can be achieved, the polyester film can be used for preventing water, meanwhile, the sound insulation glue arranged on the surface of the polyester film can achieve a sound insulation effect, and the cement fiber board, the sound insulation felt and the galvanized sheet can improve the overall hardness of the sound insulation board. And meanwhile, the sound insulation effect can be enhanced through the cement fiberboard and the sound insulation felt, the limiting blocks, the filling blocks and the limiting grooves are arranged, and the two sound insulation boards can be rapidly and stably spliced through cooperation of the limiting blocks and the limiting grooves.

This utility model discloses a polyester film extrusion die with a cleaning structure, belonging to the field of plastic processing machinery. Addressing the problem of incomplete cleaning of residues on the inner wall of existing die exits, the following solution is provided: The die body features a gradient cavity structure, with grooves on the side walls and trapezoidal cross-section scrapers. The bottom end of the scraper is connected to the inner cavity of the main rod via a threaded rod. Rotating the threaded rod adjusts the scraper position to ensure a tight fit against the gradient inner wall. A sliding seat and sliding frame are installed on the outer wall of the main rod to achieve lateral movement. An external protective sleeve covers the operating side hole, and the sleeve is connected to the sliding seat via a tension spring. A sealing plate with a compression spring is installed at the top of the inner cavity; the sealing plate remains in contact with the scraper during movement to prevent foreign objects from entering. This device, through scraper shape adaptation and position adjustment mechanisms, more effectively cleans residues from the inner wall. The protective sleeve structure prevents accidental contact with operating parts, ensuring the reliability and convenience of cleaning operations.

The utility model belongs to the field of packaging films, and particularly relates to a packaging film and a packaging bag for snack food soft sweets, which comprise an easy-to-tear polyester film layer, an ink layer, a vacuum aluminized polyester film middle layer and an easy-to-tear polyethylene layer, and adhesive layers are arranged between the ink layer and the vacuum aluminized polyester film middle layer as well as between the vacuum aluminized polyester film middle layer and the easy-to-tear polyethylene layer. The packaging film for the snack food soft sweets adopts the structural form of the easy-to-tear polyester film layer, the ink layer, the vacuum aluminized polyester film middle layer and the easy-to-tear polyethylene layer, so that a user can easily tear the packaging film.

A method for attaching two electronic circuit boards, e.g., a test PCB and a space transformer, includes the steps of tack welding a resin prepreg and a Mylar film to the test PCB, laser drilling via holes in the resin prepreg and the Mylar film such that the holes align with the connection / capture pads on the test PCB on one side of the resin prepreg and align with the connection capture pads on the space transformer (after attachment) on the other side of the resin prepreg, filling the via holes with sinter paste, applying a pressure process to remove air, bubbles and voids from the sinter paste, removing the Mylar film, and attaching the space transformer to the resin prepreg using a lamination press cycle.

The utility model belongs to the technical field of cables, and particularly relates to a cable and a vehicle. The cable is sequentially provided with a conductor layer, an insulating layer, an isolating layer, a first shielding layer, a second shielding layer and a sheath from inside to outside, the conductor layer is formed by stranding a plurality of annealed copper wires; the insulating layer is made of silicone rubber resistant to 150 DEG C and is extruded outside the conductor layer; the isolating layer is made of a transparent polyester film and longitudinally wraps the insulating layer; the first shielding layer is woven into a net by tin-plated metal wires and wraps the isolating layer; the second shielding layer is made into a wrapping tape by aluminum foil mylar and then is overlapped and wrapped outside the first shielding layer; the sheath is made of a polyolefin material resistant to 150 DEG C irradiation crosslinking, and the sheath is extruded outside the second shielding layer. The conductor layer is formed by bunching and re-twisting a plurality of annealed copper wires, and is suitable for being applied to high-power vehicles; the polyolefin material resistant to 150 DEG C irradiation crosslinking is good in flexibility, wear-resistant, acid-base-resistant and aging-resistant.

[Problem] To provide a folding-type display which has excellent mass productivity and does not worry about distortion of an image displayed on a folded portion after repeated bending, and to provide a polyester film for a folding-type display in which cracks do not occur in a folded portion, and a use thereof. [Solution] A polyester film for a folded display, which is a polyester film having a thickness of 10-80 [mu] m and which satisfies the following conditions. (1) The refractive index in the bending direction is 1.590 to 1.620. (2) The refractive index in the direction of the folded portion is 1.670 to 1.700. (3) The refractive index in the thickness direction is 1.520 or less. (4) The density is 1.380 g / cm3 or more (Here, the bending direction refers to a direction orthogonal to a folded portion when the polyester film is folded. ).

To provide a polyester film for a protective film of a folding-type display, which is unlikely to have cracks in a folding portion, in order to provide a folding-type display that is excellent in mass productivity and that prevents the generation of a distortion in an image displayed on a folded portion after the display is repeatedly folded.SOLUTION: Provided is a polyester film for a protective film of a folding-type display, which satisfies the following conditions: (1) the refractive index in a bending direction is 1.590-1.620; (2) the refractive index in the direction of a folding part is 1.670-1.700; (3) the refractive index in a thickness direction is equal to or less than 1.520; and (4) the density is equal to or greater than 1.380 g / cm3 (here, the bending direction is the direction orthogonal to the folding part when folding the polyester film).SELECTED DRAWING: Figure 1

To provide a polyester film roll having excellent printability and processability.SOLUTION: A film roll is made by winding a biaxially oriented polyester film having an antimony content of 10 ppm or less and a phosphorus content of 25 ppm or more and 75 ppm or less, and having an arithmetic mean roughness of the film surface of 0.02 μm or more and 0.05 μm or less, and satisfies the following requirements (1) to (6). (1) The winding length is 8,000 m or more and 80,000 m or less. (2) The width is 500 mm or more and 4,000 mm or les. (3) The average hardness of the outermost layer of the film roll is in the range of 500 or more and 700 or less. (4) The hardness variation of the outermost layer of the film roll is 10% or more and 20% or less. (5) The thickness is 5 μm or more and 40 μm or less. (6) In the thickness unevenness in the film width direction in the surface layer, there are places where the thickness pattern is a recess, and the thickness unevenness of the maximum recess calculated from the maximum thickness difference in the recess with the largest thickness difference (the largest recess) and the average thickness of the film is 10% or less.SELECTED DRAWING: None

The invention discloses an optical-grade high-brightness polyester film and a preparation method thereof, the optical-grade high-brightness polyester film comprises a nanoscale multi-layer structure formed by PET layers and PEN layers which are alternately stacked, the total layer number is 350-700, and the total thickness is 30-60 [mu] m; wherein the refractive index of the PET layer ranges from 1.58 to 1.62, and the refractive index of the PEN layer ranges from 1.64 to 1.68; the average reflectivity of the film under the wavelength of 550 nm is larger than or equal to 98.5%, the light transmittance is larger than or equal to 91.5%, the haze is smaller than or equal to 0.5%, and the interlayer peel strength is larger than or equal to 3.0 N / cm. According to the invention, collaborative optimization of optical performance, mechanical strength and thermal stability is realized through a nanoscale multi-layer structural design in which PET and PEN are alternately stacked. Excellent optical performance is obtained through hundreds of layers of nano-scale alternating structures; the interlayer binding force is obviously improved through molecular modification of the laminated layers; and a uniaxial stretching process is adopted, so that the flexibility is kept while the layer thickness uniformity is ensured, and breakthrough is realized in the aspects of reflection efficiency, interface stability and processing yield.

The utility model discloses a waterproof low-noise combination switch, comprising a panel layer, the surface of the panel layer is provided with a plurality of buttons, the bottom of the panel layer is connected with a sound insulation layer through a panel glue layer, a pressing sheet layer is arranged below the sound insulation layer, the bottom of the pressing sheet layer is provided with a circuit layer, and the circuit layer is connected with the panel glue layer. The bottom of the circuit layer is provided with a waterproof layer, and the bottom of the waterproof layer is provided with a substrate layer. According to the waterproof low-noise combination switch provided by the utility model, the flexible polyester film is adopted as the waterproof layer, so that the waterproof performance of the switch assembly is remarkably improved, the switch assembly can adapt to humid or watery environmental conditions, and circuit damage caused by moisture intrusion is effectively prevented. And secondly, the sound insulation layer is made of a sound insulation cotton material, so that noise generated during switching operation is effectively reduced, a quieter environment is provided for a cockpit, and the riding comfort is improved.

The utility model discloses a sealing sound insulation structure of a high-noise sound insulation window, and relates to the technical field of sound insulation windows. Which comprises a window frame, hollow glass, an inner wall installed on the window frame, sound insulation films fixedly arranged on the two sides of the outer wall of the hollow glass and a sealing sound insulation strip installed between the hollow glass and the window frame, and an extrusion mechanism arranged in the window frame and comprises a pressing strip, a plurality of springs and a plurality of sets of supporting components, and the pressing strip is fixedly arranged between the springs; one end of each spring is fixedly arranged on one side of the inner wall of the window frame, each supporting component is arranged on the pressing strip, the sealing sound insulation strip is made of ethylene propylene diene monomer, the sound insulation film is made of a polyester film, and each supporting component comprises an installation cylinder and a supporting rod. According to the high-noise soundproof window sealing soundproof structure, through the extrusion mechanism, the stability of the sealing soundproof strip can be improved, the sealing soundproof strip is tightly attached to the hollow glass, and the situation that the soundproof and sealing effects are affected due to the fact that the sealing soundproof strip is not tightly attached to the hollow glass is avoided.

The utility model discloses bent tempered glass subjected to sand blasting treatment, which relates to the technical field of tempered glass and comprises a coating film, upper surface layer tempered glass is mounted on the inner wall of the coating film, an interlayer film is mounted on the inner wall of the upper surface layer tempered glass, and lower surface layer tempered glass is mounted on the inner wall of the interlayer film. And an anti-scraping film is installed on the inner wall of the lower surface layer tempered glass, fixing frames are installed on the two sides of the anti-scraping film, clamping grooves are formed in the inner walls of the fixing frames, and connecting rods are installed on the inner walls of the fixing frames. The coating film which is a polyester film layer is attached to the surface of the toughened glass on the upper surface layer and has the functions of heat insulation, privacy shielding, ultraviolet prevention, high temperature resistance, fire prevention and the like, and when the device is used, 45%-85% of direct solar radiation heat can be prevented from entering a room in summer through the arrangement of the coating film; more than 30% of heat loss can be reduced in winter, and the practicability of the device is improved.

The utility model discloses an optical polyester film transverse drawing device, and relates to the technical field of polyester film production equipment. Comprising a machining table, two movable tables capable of moving relatively are movably connected to the top of the machining table, supporting plates are connected to the two sides of the tops of the two movable tables through supporting rods, a fixed rod is fixedly connected to the part, located between the two supporting rods, of the top of each movable table, the fixed rod is slidably sleeved with a sliding sleeve, and a U-shaped connecting frame is hinged to the sliding sleeve; the connecting frame is connected with a connecting rod, one end of the connecting rod is hinged to a movable rod, the top end of the fixed rod is hinged to the movable rod, one end of the movable rod is provided with a pressing rod matched with the supporting plate, and rubber cushion layers are bonded to the bottom end of the pressing rod and the top end of the supporting plate. According to the optical polyester film transverse pulling device, the rubber cushion layers are arranged at the bottom end of the pressing rod and the top end of the supporting plate, friction force between the device and a film can be increased, deformation can be generated under the action of pressure, the contact area between the device and the film is increased, and the film is not prone to being damaged.