2794 results about "Plastic packaging" patented technology

Disclosed in the present invention is a packaging structure of a half-bridge power module. The packaging structure comprises an insulating and thermal conductive plate, a multi-layer circuit board, a plastic package body and a bridge arm switch. Further disclosed in the present invention is the use of a packaging structure of a half-bridge power module in an OBC power source converter, a DCDC isolated converter, a non-isolated power source converter, a cardiac arrest awakening apparatus, and a circuit module formed by means of combining multiple half bridges such as ANPC, TNPC and Heric. Further disclosed in the present invention is a manufacturing method for a packaging structure of a half-bridge power module. The method comprises: performing assembling; providing an overflow region; and synchronously performing filling and grinding to remove the overflow region. In the present invention, a minimum size and a low impedance are achieved by means of DBC, flexible pin leading-out and welding are realized by means of a PCB, the reliability, safety and heat dissipation of modules are supported by means of a plastic packaging body, and the extension of a temperature monitoring unit and a decoupling capacitor is supported.

The invention discloses a detection system and method for packaging box production and processing, and belongs to the technical field of packaging production quality detection. The invention discloses a detection system and method for packaging box production and processing. The system comprises a dual-polarization-angle imaging module, a structured light three-dimensional reconstruction module, a temperature compensation module, a defect judgment module and a sorting execution module. According to the method, dual-polarization images and three-dimensional point clouds are synchronously collected, qualified standard values are dynamically calibrated in combination with temperature, accurate recognition and grading judgment of surface and internal defects of the transparent plastic packaging boxes are achieved, and finally unqualified products are removed through a high-speed sorting mechanism. The method solves the problem of misjudgment caused by reflective interference and temperature drift of the transparent material, and is suitable for online detection of a high-speed production line.

The invention relates to the technical field of plastic packaging preparation, in particular to an anti-aging plastic packaging material and a preparation method thereof.The anti-aging plastic packaging material is prepared from, by mass, 100-140 parts of polylactic acid, 60-80 parts of PBAT, 2-5 parts of a composite anti-aging agent, 1-2 parts of a lubricant, 2-4 parts of a flame retardant and 3-6 parts of a compatilizer; the composite anti-aging agent comprises a modified anti-aging agent obtained by compounding functionalized montmorillonite and modified silicon dioxide, the functionalized montmorillonite is carnosic acid grafted rare earth ion modified montmorillonite, and the modified silicon dioxide is epoxy methyl oleate grafted silicon dioxide. According to the anti-aging plastic packaging material provided by the invention, a plastic material system with multiple protection mechanisms is constructed through the synergistic effect of all the components, and the prepared plastic packaging material not only keeps good biodegradability, but also has excellent ultraviolet light resistance and oxidation resistance.

The invention relates to the field of plastic product processing equipment, and discloses an extrusion device for manufacturing plastic packaging products, which comprises a workbench, a conveying pipeline is fixedly mounted above the workbench through a support, a die head is fixedly mounted at the tail end of the conveying pipeline, a main shaft is movably mounted in the conveying pipeline, and a plurality of extrusion heads are fixedly mounted in the main shaft. A vertical feeding pipe is fixedly mounted on the side, away from the die head, of the bottom end of the conveying pipeline, an arc-shaped feeding pipe is fixedly mounted on the side, close to the vertical feeding pipe, of the conveying pipeline, the tail end of the arc-shaped feeding pipe communicates with the interior of the vertical feeding pipe, and a first motor is fixedly mounted at the inner bottom of the workbench; and a movable shaft is fixedly mounted at the driving end of the first motor. The compression efficiency is improved by chopping the raw materials to accelerate plasticization, stacking and then feeding, the raw materials are uniform in temperature and proper in viscosity and are optimized to enter a die head state under the synergistic effect of cooling and a magnetic field, and the product quality and the production efficiency are improved.

The invention discloses a corrosion-resistant and anti-aging plastic packaging film and a preparation method thereof, and is used for solving the technical problem that the corrosion resistance and ultraviolet aging resistance of a packaging film in the prior art need to be further improved. The polypropylene composite material comprises the following raw materials in parts by weight: 60-80 parts of modified polypropylene resin, 1-2 parts of a compound nucleating agent, 10-15 parts of a modified filler, 1-2 parts of an antioxidant, 1-2 parts of an ultraviolet light absorber, 1-2 parts of a light stabilizer and 3-5 parts of a plasticizer, the tensile property of the material is improved through crystal form remolding, and the flame retardant property of the material is improved through synergistic cooperation of an internal phosphate structure, an aluminum element and thiocyanuric acid and siloxane chain segments in the material; and the ultraviolet light absorber cross-linked by the compound nucleating agent, the modified filler and the siloxane chain segment are synergistically matched, so that the ultraviolet aging resistance of the material is remarkably improved.

The invention discloses a detection method for plastic packaging bag production, and relates to the technical field of plastic packaging bag production, and the detection method specifically comprises the following steps: 1, placing a plastic packaging bag on a detection table, enabling an upper clamping plate and a transverse plate to move downwards, enabling the upper clamping plate to firstly contact with the packaging bag, and carrying out preliminary positioning; 2, after the pressing plate makes contact, an adjusting plate makes contact with the packaging bag and pushes the packaging bag to move towards the two sides, and stretching, unfolding and flattening are achieved through assistance of balls; 3, the upper clamping plate continues to move downwards, the extension plate makes contact with the fixed plate and is limited, the position of the pressing plate is determined, then a first air cylinder is started to drive a movable plate to move towards one side, and a control assembly on the movable plate drives the to-be-tested plastic packaging bag to be subjected to a stretching test. According to the detection method for plastic packaging bag production, the plastic packaging bag is stretched, unfolded and flattened through the adjusting plate, it can be ensured that the packaging bag is in a flat state in the detection process, and therefore the real physical performance of the packaging bag can be reflected more accurately.

The invention relates to the technical field of plastic packaging bag tensile detection, and discloses a plastic packaging bag tensile detection device which comprises a processing platform, a storage cabinet is arranged in the processing platform, supporting legs are fixedly connected to the four corners of the bottom of the processing platform, and a tensile detection mechanism is arranged at the top of the processing platform; the four corners of a plastic bag are stably clamped through a screw rod, a movable clamping plate and a fixed clamping plate, cooperative movement of a motor sliding rail, a linear motor, a movable frame, a sliding rod and a first sliding block is matched, pulling force on the two sides is converted into pulling force in four directions through an inclined sliding groove and a second sliding block, and stretching resistance detection in the four directions is conducted on the plastic bag. According to the design, the limitation that only two-side stretching detection is adopted in the prior art is overcome, the tensile data of the plastic bag in different directions can be obtained, the tensile performance of the plastic bag can be comprehensively evaluated, a more accurate basis is provided for quality evaluation, it is ensured that the plastic bags with different purposes can bear the tensile force in the corresponding direction in actual use, and the detection precision is improved.

The invention provides a plastic packaging barrel online defect detection method and system based on machine vision and deep learning. According to the method, visible light and thermal image data, aligned in time, of the surface of the plastic packaging barrel are collected, the dynamic range of a thermal image is expanded to enhance the identification degree, then highlight interference is compensated through the mapping relation between a thermal image stable area and a visible light reflection area, and surface reflection suppression is achieved; superposing the processed dual-mode data to generate a multi-mode fusion image, dynamically adjusting the temperature reference value of the fusion image based on the thermal conductivity of the material and the environment temperature of the production line, and positioning an abnormal temperature region; and finally, extracting topological contours and temperature diffusion characteristics of the regions, and inputting a deep learning model to judge material structure attributes and spatial positions of the defects so as to finish online detection. According to the method, thermal and visual data are fused to enhance the perception capability on fine structure defects, and the precision and robustness of online detection of the plastic packaging barrel in a complex illumination environment are remarkably improved.

The invention provides a pyrolysis recovery method of a plastic packaging bag, and belongs to the technical field of plastic packaging bag recovery, the pyrolysis recovery method of the plastic packaging bag comprises the following steps: removing impurities from the waste plastic packaging bag, cleaning and drying, and controlling the moisture to be below 5%; the packaging bag is crushed into small blocks with the diameter smaller than 20 mm, so that the pyrolysis efficiency is improved; feeding the crushed plastic into a pyrolyzing furnace through a spiral feeder, adding an auxiliary pyrolyzing component, heating to 300-600 DEG C under an oxygen-free or oxygen-deficient condition, and carrying out thermal cracking; oil gas obtained after pyrolysis is condensed through a cooling system and classified, and solid residues are subjected to tempering treatment; flue gas generated after combustion is subjected to high-temperature degradation through a secondary combustion chamber and then subjected to multistage treatment through a quench tower, dust removal, alkali spraying and activated carbon adsorption, and it is ensured that the flue gas reaches the standard and is discharged; the problems that in the existing pyrolysis recycling process of the plastic packaging bags, the treatment efficiency is low, and the environment is still polluted can be solved.

The invention provides a packaging structure and a forming method thereof, in the forming method, a bridge chip assembly is firstly formed, a silicon through hole of a bridge chip is exposed in a mode of firstly depositing a protection layer and then thinning the silicon through hole, the protection layer can protect a substrate in the thinning process, and the substrate is prevented from being damaged. Metal ions generated by thinning the silicon through hole can be prevented from being migrated and diffused into the substrate, so that the problem of reliability failure of the packaging structure caused by migration and diffusion of the metal ions is avoided; meanwhile, when the bridge chip assembly is plastically packaged, the bottom surface of the bridge chip assembly is provided with an adhesion layer, the adhesion layer is removed after plastic packaging, so that the bottom surface of the bridge chip assembly is higher than the bottom surface of the first plastic packaging layer, and after bottom rewiring layers are formed on the bottom surface of the first plastic packaging layer and the bottom surface of the bridge chip assembly, the bottom rewiring layers are formed on the bottom surface of the first plastic packaging layer and the bottom surface of the bridge chip assembly. The thickness of the bottom rewiring layer located on the bottom face of the bridge chip assembly is larger than that of the bottom rewiring layer located on the bottom face of the first plastic packaging layer, namely, the bottom of the bridge chip assembly is provided with a thicker dielectric layer, so that the connection strength of all connection points of the bridge chip assembly is guaranteed, higher stress buffering is provided for the bridge chip, and the reliability of the bridge chip assembly is improved. And the reliability of the packaging structure is improved.

The invention relates to the technical field of semiconductor packaging, in particular to a batch dust-free packaging device for power semiconductor devices and a using method of the batch dust-free packaging device for the power semiconductor devices, and the batch dust-free packaging device comprises a plastic packaging machine main body, a plastic packaging mold and a side frame, an upper plastic packaging mold and a lower plastic packaging mold are installed at the upper end and the lower end of the plastic packaging machine body respectively, a side frame is fixedly connected to one side of the plastic packaging machine body, a cleaning roller storage box is installed on one side of the side frame, and an electric push rod and an air supply and negative pressure unit are arranged in the cleaning roller storage box. Three-step dust-free cleaning of blowing, sucking and shaking is automatically carried out on a mold cavity after each time of plastic packaging; during air blowing, air is expanded and cooled twice through a conical barrel, the mold is synchronously cooled, and stubborn particles are stripped; negative pressure is formed on the surface of the cotton layer during air suction, and all residual scraps are sucked away; after cleaning is finished, the roller body returns to the storage box, the blocking block collides with the toothed plate to enable the roller body to jolt at high frequency, and attachments are shaken off into the box and are sealed and collected.

The invention provides a bio-based degradable plastic packaging material, and relates to the technical field of plastic packaging materials. The bio-based degradable plastic packaging material is prepared from the following components in parts by weight: 50 to 70 parts of bio-based polymer, 20 to 40 parts of natural filler, 5 to 10 parts of cellulose nanofibril, 10 to 20 parts of chitosan, 5 to 15 parts of plasticizer, 1 to 5 parts of stabilizer and 4 to 12 parts of additive. By adjusting the content and proportion of the bio-based polymer, the natural filler, the plasticizer, the stabilizer and the auxiliaries, the purpose of optimizing the performance of the material is achieved. Particularly, due to the combined use of polylactic acid and polyhydroxyalkanoate, the biodegradability of the material is improved, and the material is endowed with good mechanical properties. Meanwhile, due to the addition of natural fillers such as starch and cellulose, the cost is reduced, and the biodegradability and sustainability of the material are further enhanced. In addition, due to the addition of the plasticizer, the stabilizer and the auxiliaries, the processing performance and the physical performance of the material are also remarkably improved.

The invention relates to the field of chip production, in particular to a chip production plastic packaging machine device and method. The device comprises a conveying belt mechanism, a lower die mechanism and an upper jacking mechanism, the conveying belt mechanism comprises a rack, two belt rollers rotationally arranged on the rack, a conveying belt arranged on the two belt rollers in a sleeving mode and a first motor arranged on the rack and connected with one belt roller in a driving mode, and multiple rows of through hole sets are formed in the conveying belt in the annular direction at equal intervals. Each row of through hole group comprises a plurality of through holes which are distributed at equal intervals in the width direction of the conveying belt; the lower mold mechanism comprises a plurality of lower mold assemblies which are distributed at the through holes in a one-to-one correspondence manner; each lower mold assembly comprises a connecting table arranged on the conveying belt, a rotating shaft rotationally arranged on the connecting table, a lower mold which is arranged on the rotating shaft and is provided with a plastic packaging groove, and a demolding assembly arranged on the lower mold; the jacking mechanism is in transmission connection with one belt roller and intermittently jacks the demolding assemblies distributed in rows. According to the invention, the plastic package chip is conveniently and safely demoulded in a jacking manner.

The invention discloses a patch packaging manufacturing method of a driving power supply and the driving power supply manufactured by the patch packaging manufacturing method. The patch packaging manufacturing method comprises special-shaped surface-mounted pins, a carrier plate, a plastic packaging material and a device. The shapes of the special-shaped surface-mounted pins can be in various shapes (such as an I shape), the special-shaped surface-mounted pins can be made of materials such as a PCB or a resin plated metal structural part or a metal part, and the required number of metal bonding pads are manufactured on the two faces of the special-shaped surface-mounted pins according to application requirements and are communicated. The overall thickness of the special-shaped surface-mounted pins is required to be larger than that of the highest device; the metal bonding pad C 303 of the first surface 301 of the special-shaped surface-mounted pin is welded on the second surface 202 of the carrier plate, and the metal bonding pad D 304 of the second surface 302 of the special-shaped surface-mounted pin is exposed. According to the driving power supply manufactured through the patch packaging manufacturing method of the driving power supply, the flat and small design of the patch power supply is achieved, and the problem that the board arrangement space of high-density small-space equipment is insufficient is well solved.

The utility model discloses a semiconductor rectifier injection molding packaging device which comprises an upper mold, a lower mold, a base, a supporting column, a protective cover, a material injection pipe, a first air cylinder, a piston, a sealing plate, an upper cylinder body, a lower cylinder body, a metal telescopic sleeve, an annular hanging frame, a connecting rod, a second air cylinder and a circulating cooling water pipe. The four supporting columns are distributed in a rectangular mode, the upper ends and the lower ends of the supporting columns are fixedly connected with the upper mold and the base respectively, the lower mold is slidably installed on the supporting columns, and the lower mold and the upper mold are matched to form a plastic packaging mold cavity. Hot resin in the lower cylinder body is extruded through downward expansion of the metal telescopic sleeve and is injected into the plastic packaging mold cavity through the material injection pipe and the pouring gate for plastic packaging operation, the requirement for the machining precision of the piston, the inner hole of the upper cylinder body and the inner hole of the lower cylinder body can be lowered, and therefore the machining cost can be lowered; the piston cannot be blocked when the piston moves up and down and the metal telescopic sleeve does stretching / contracting movement, and the piston has the advantages of being high in use reliability and long in service life.

The utility model relates to a contact distribution force information detection system for an automobile crash dummy model. The system comprises a dummy model, and flexible touch sensors arranged at the head, neck, chest, upper limbs, hip, lower limbs and / or feet of the dummy model. The flexible touch sensor comprises an upper electrode layer, a lower electrode layer, an anti-tear flexible plastic packaging layer and an ion fiber layer placed between the upper electrode layer and the lower electrode layer. And the tear-resistant flexible plastic package layer wraps and packages the upper and lower electrode layers and the ion fiber layer. The whole body of the crash test model dummy is full of the flexible touch sensors, contact distribution force information of the crash test model dummy can be directly obtained, the defect that the current crash dummy lacks the contact distribution force information is overcome, and the crash test model dummy is low in cost and easy to operate.

The invention relates to the technical field of plastic packaging bag production feeding, and discloses a feeding device for plastic packaging bag production, which comprises a working box, and further comprises two mounting plates which are respectively connected to the top of an operation table, and the operation table is fixedly connected between the two mounting plates; the adsorption mechanism is arranged between the two mounting plates and used for adsorbing the plastic packaging bags placed on the operation table; the separating mechanism is arranged on the front mounting plate and used for separating the plastic packaging bags stacked on the operation table; and the conveying mechanism is arranged between the two mounting plates, located on the right side of the adsorption mechanism and used for conveying the separated plastic packaging bags. According to the plastic packaging bag adsorption device, through the arranged adsorption mechanism, a plurality of suction cups can be used for moving, an external air source is used for adsorbing plastic packaging bags, meanwhile, a telescopic rod is used for moving in an adsorption rod, and a first spring is used for supporting so as to adapt to adsorption of stacked plastic packaging bags with different thicknesses.

The invention relates to the technical field of materials, and discloses a bamboo-to-plastic packaging material and a preparation method thereof, and the bamboo-to-plastic packaging material comprises the following components by weight: 60-70 parts of bamboo powder, 2-4 parts of maleic anhydride modified bamboo powder, 20-30 parts of polyethylene, and 2-3 parts of chitosan modified polyhedral oligomeric silsesquioxane. Adding the bamboo powder, the maleic anhydride modified bamboo powder, polyethylene and chitosan modified polyhedral oligomeric silsesquioxane into a double-screw extruder, blending for 10-15 minutes at the temperature of 180-185 DEG C, carrying out extrusion molding, and cooling to room temperature, so as to obtain the bamboo-to-plastic packaging material. The bamboo-instead-plastic packaging material disclosed by the invention has relatively good flame-retardant, antibacterial and stretch-proof effects.

The utility model relates to the technical field of antistatic aluminum-plastic packaging bags, and provides an antistatic aluminum-plastic packaging bag detection device which comprises a transmission belt, the upper end of the transmission belt is fixedly connected with a detection frame, and limiting assemblies are symmetrically arranged in the left end of the detection frame and used for limiting an aluminum-plastic packaging bag. A detection assembly is arranged between the two limiting assemblies and used for conducting electrostatic detection on the aluminum plastic packaging bag, a first monitoring assembly is arranged on the right side of the detection assembly and used for monitoring the detection result of the detection assembly, and a second monitoring assembly is arranged at the bottom end of the right side of the first monitoring assembly and used for monitoring the detection result of the detection assembly. A first monitoring assembly is arranged on the right side of the first monitoring assembly and used for monitoring the detected aluminum plastic packaging bags, a marking assembly is arranged on the right side of the second monitoring assembly and used for marking the unqualified aluminum plastic packaging bags, so that the aluminum plastic packaging bags are in a visual state in the detection process, and the device marks the unqualified packaging bags in time; therefore, qualified packaging bags and unqualified packaging bags can be distinguished.

The invention relates to the technical field of plastics, in particular to a high-strength antibacterial plastic packaging bottle and a preparation method thereof.The preparation method comprises the steps that polylactic acid, poly (butylene succinate), epoxidized soybean oil and composite zinc oxide are mixed, extruded, granulated and blow-molded, and a base part is obtained; mesoporous nano-zinc oxide is used as a carrier to carry tea polyphenol, then carboxymethyl chitosan is used for coating, and an epoxy compound containing a Si-O chain segment is grafted; preparing a protective coating from composite zinc oxide and soybean oil-based self-repairing waterborne polyurethane, and coating the surface of a substrate with the protective coating; soybean oil-based polyol, polytetrahydrofuran ether glycol and isophorone diisocyanate are used as raw materials to prepare a polyurethane prepolymer, 2, 2-bis (hydroxymethyl) propionic acid is used as a hydrophilic chain extender, an epoxy compound containing a Si-O chain segment is used as a modifier, 1, 4-butanediol and dithiodiethanol are used as end-capping reagents, triethylamine is used as a neutralizer, and the polyurethane prepolymer is prepared by a one-step method. And ethylene diamine and tetraethylenepentamine are used as amine cross-linking agents to prepare the soybean oil-based self-repairing waterborne polyurethane.

The invention discloses a packaging structure and a packaging method of a Mini / Micro LED (Light Emitting Diode) chip. The packaging method comprises the following steps: respectively carrying out electrostatic polarization treatment with opposite charge polarities on conductive particles and a bonding pad of a substrate, and adsorbing the conductive particles on the bonding pad of the substrate; each conductive particle comprises a metal conductive ball and a conductive adhesive coating the surface of the metal conductive ball; an LED chip is attached to the substrate in a counterpoint mode, and a bonding pad on the LED chip makes contact with the corresponding conductive particles; hot-pressing the LED chip, melting the conductive adhesive through heat conduction, and fixing the LED chip on the substrate through the conductive adhesive after cooling; and coating a plastic packaging material on the substrate to wrap the LED chip, and curing to complete packaging of the LED chip. According to the technical scheme, the LED chip packaging process can be simpler, more convenient and faster, stable mechanical connection and excellent electrical connection between the LED chip and the substrate can be achieved, and the problem of chip damage caused by too high temperature is effectively avoided.

The invention relates to the technical field of packaging box production, and discloses a packaging box placing device for nutritious food production, the device comprises a bottom plate, a plastic packaging box main body and supporting legs symmetrically and fixedly mounted at the bottom of the bottom plate, and side plates are symmetrically and fixedly connected to the front side and the rear side of the top of the bottom plate; a conveying belt is fixedly mounted below the interiors of the two side plates, placing mechanisms are uniformly arranged on the outer side surface of the conveying belt, and drying mechanisms are arranged on the sides, close to the conveying belt, of the side plates; the placing mechanism comprises a base plate and an arc-shaped block which are fixedly connected with the conveying belt, the drying mechanism comprises a driving unit and a drying unit, the driving unit comprises a rack, a gear part and a guide inclined plate slidably installed on one side of the interior of a side plate, and one side of the gear part is fixedly connected with a connecting rod; the problem that the plastic packaging boxes are adhered to the conveying belt or the patterns fall off due to the fact that the patterns of the plastic packaging boxes are not uniformly dried in an auxiliary mode during placing and conveying is solved.

An optocoupler packaging support comprises a first support body and a second support body, the first support body comprises a first base island and a first pin, a first glue grabbing hole is formed between the first base island and the first pin, shading glue can be solidified and penetrate through the first glue grabbing hole, and the second support body comprises a second base island and a second pin. A second glue grabbing hole for curing and penetrating the shading glue is formed between the second base island and the second pin; in the plastic packaging process of the photoelectric coupler, the shading glue can flow through the first glue grabbing hole of the first bracket, so that the combinability between the shading glue and the first bracket is improved; the shading glue can flow through a second glue grabbing hole of the second bracket, so that the bonding property between the shading glue and the second bracket is improved; the sealing performance of the photoelectric coupler can be improved, and delamination failure caused by poor combination performance is avoided.

The invention relates to the technical field of production and conveying, in particular to a plastic packaging container conveying device for food production, which comprises a conveying table, a surface treatment assembly and a negative pressure treatment assembly, a cleaning treatment groove is formed in one side of the upper end of the conveying table, and negative pressure suction grooves are formed in the upper ends, located on the two sides of the cleaning treatment groove, of the conveying table; according to the scheme, by means of the mode that negative pressure conveying and spiral interval conveying are combined, interval treatment and more stable conveying operation are carried out on plastic bottles, meanwhile, under the cooperative control effect of the control assembly, the surface treatment assembly and the negative pressure treatment assembly are made to be in one-to-one correspondence with the surface treatment assembly, the surface treatment assembly and the surface treatment assembly are made to be in one-to-one correspondence with the surface treatment assembly, and the surface treatment assembly and the surface treatment assembly are made to be in one-to-one correspondence with the surface treatment assembly. The surface quality of the conveying belt is effectively treated, the air pollution blocking problem possibly caused during negative pressure air draft is effectively maintained, and the conveying stability and applicability of produced and machined plastic bottles are improved.

The invention relates to the field of packaging materials, and particularly discloses a degradable environment-friendly electric insulation plastic packaging bag and a preparation method thereof. The degradable environment-friendly electric insulation plastic packaging bag is prepared from the following raw materials in parts by weight: 100 parts of polylactic acid, 1-4 parts of organic zirconium phosphate, 2-5 parts of hydrophobic modified cellulose nanocrystals, 4-10 parts of polyimide / aluminum fluoride composite nanofibers, 1-3 parts of a dispersing agent, 1-4 parts of an antioxidant, 3-5 parts of inorganic filler, 1-3 parts of a slipping agent, 1-3 parts of an antistatic agent and 3-5 parts of a flame retardant. The packaging bag can be used for objects with high requirements for electrical insulation, has high electrical insulation capacity at high temperature, and is high in transparency and mechanical property.

The invention relates to an inner film bagging machine and a working method of inner film bagging, and belongs to the field of packaging. According to the technical scheme, the inner film hot melting cutting device comprises an inner film releasing frame, an inner film hot melting cutting machine, an inner film moving frame, an outer bag storage box, an outer bag opening mechanism and an inner bag embedding mechanism; the inner film releasing frame is provided with paired carrier rollers for lifting an inner film coiled material mandrel, the inner film hot melting cutting machine comprises two conveying belts and a thermal cutting plastic packaging mechanism, the two conveying belts clamp and convey an inner film released by the inner film releasing frame to the thermal cutting plastic packaging mechanism, and the thermal cutting plastic packaging mechanism is located at the tail ends of the two conveying belts; the inner film moving frame comprises a moving arm and a base, the moving arm is arranged on the base, a moving suction cup is arranged at the tail end of the moving arm, and the moving arm drives the moving suction cup to move between the extension conveyor and the inner bag embedding mechanism; the outer bag opening mechanism comprises a pair of opposite outer bag opening suction cups, the outer bag opening suction cups are arranged at the front end of a bag opening swing arm, and a bag opening air cylinder is arranged at the rear end of the bag opening swing arm. The device is suitable for bagging operation of large-size inner and outer bags, and is suitable for bagging inner bags such as ton bag structures.

The invention relates to the technical field of plastic packaging bottles, and discloses a degradable environment-friendly material cosmetic packaging bottle and a preparation method thereof.The degradable environment-friendly material is prepared from, by weight, 60-75 parts of polyethylene resin, 25-40 parts of hydroxyl quaternary ammonium salt grafted polylactic acid, 1.6-3 parts of maleic anhydride grafted polyethylene and 0.3-0.6 part of antioxidant; the maleic anhydride grafted polyethylene disclosed by the invention can be used as a compatilizer to improve the compatibility between the hydroxyl quaternary ammonium salt grafted polylactic acid and polyethylene resin, the obtained degradable environment-friendly material has higher mechanical properties, and the hydroxyl quaternary ammonium salt grafted polylactic acid contains biquaternary ammonium salt antibacterial groups, so that the antibacterial property of the degradable environment-friendly material is improved. Therefore, the degradable environment-friendly material shows good antibacterial performance. The degradable environment-friendly material disclosed by the invention contains a degradable polylactic acid component, is green, environment-friendly, degradable and good in antibacterial property, and has good application in the aspects of cosmetic packaging bottles and the like.

The invention discloses a stacked chip lead bonding packaging structure and a preparation method. The preparation method comprises the following steps: preparing a temporary bonding adhesive film layer on the surface of a glass slide; preparing a metal anti-reflection layer on the surface of the temporary bonding adhesive film layer; preparing a rewiring layer on the metal anti-reflection layer; mounting and stacking a chip group on the surface of the rewiring layer; performing plastic packaging; removing the glass slide, and exposing the temporary bonding adhesive film layer; removing the temporary bonding glue layer to expose the metal anti-reflection layer; removing the metal anti-reflection layer to expose the metal bonding pad; solder balls are arranged on the metal bonding pads; and grinding and cutting to obtain the packaging body. According to the invention, the rewiring layer is used for replacing an organic substrate, a plurality of chips are mounted on the rewiring layer, interconnection among the chips is carried out through lead bonding, and signals are connected to the rewiring layer through lead bonding, so that the organic substrate is omitted, the risk of material breakage caused by imbalance of supply and demand is avoided, and the packaging cost is reduced; the method is suitable for industrial popularization.

The invention relates to the technical field of plastic packaging films, in particular to a casting CPE composite film material and a preparation method thereof.The casting CPE composite film material is characterized in that a corona layer is prepared from, by weight, 72-75 parts of LLDPE, 18-22 parts of LDPE, 5-6 parts of EVA and 1.5-2 parts of an opening slipping agent; the middle core layer is prepared from the following components in parts by weight: 70 to 75 parts of LLDPE (Linear Low Density Polyethylene), 20 to 25 parts of HDPE (High Density Polyethylene), 5 to 8 parts of mPE, 3 to 5 parts of modified nano silicon dioxide and 1 to 3 parts of processing aid; the heat sealing layer is prepared from the following components in parts by weight: 25 to 30 parts of mLLDPE, 68 to 72 parts of LDPE, 0.3 to 0.5 part of antistatic agent and 1 to 2 parts of processing aid. The prepared composite film material has multiple functions of flame retardance, aging resistance, static electricity resistance and the like on the basis of keeping excellent heat sealing performance and mechanical strength.

The invention relates to an integrated automatic plastic packaging eutectic machine, and relates to the technical field of semiconductor packaging equipment. The eutectic table is used for heating and bonding the chip and the substrate, and the eutectic table is arranged on the mounting platform; the chip feeding device is used for conveying chips to the eutectic table, and the chip feeding device is arranged on the mounting platform; the substrate feeding device is used for conveying a substrate to the eutectic table, and the substrate feeding device is arranged on the mounting platform; the finished product discharging device comprises a suction manipulator and a manipulator driving mechanism, the manipulator driving mechanism is arranged on the mounting platform, the suction manipulator is arranged on the manipulator driving mechanism, and the suction manipulator is used for sucking finished products on the eutectic table; the manipulator driving mechanism is used for driving the suction manipulator to move close to or away from the eutectic table. The packaging speed of the eutectic machine can be increased, and the overall packaging efficiency is improved.