63 results about "Flame treatment" patented technology

The invention relates to the technical field of sound insulation materials, in particular to an automobile sound insulation pad and a preparation method thereof. An automobile sound insulation pad comprises a sound insulation layer and a sound absorption layer, and the sound insulation layer comprises 10-20 parts of first TPU particles, 10-20 parts of second TPU particles, 70-120 parts of filler, 1-2 parts of a coupling agent, 5-10 parts of a plasticizer, 2-5 parts of carbon black, 1-2 parts of an antioxidant and 1-2 parts of a lubricant; the density of the first TPU particles is 1.2-1.3 g / cm < 3 >, and the hardness is 50-60 SHD; the density of the second TPU particles is 1.2-1.3 g / cm < 3 >, and the hardness is 60-80 SHA; the sound absorption layer is a PU foaming layer. The PU is similar to the TPU in structure and can be directly foamed on the TPU, pretreatment steps such as flame treatment and plasma treatment are not needed, and the treatment process is simple. The obtained sound insulation pad is made of the same material (polyurethane) and can be integrally recycled, so that resource waste and environmental pollution are reduced.

The invention relates to the technical field of textile fabrics, and particularly discloses a soft, glutinous and elastic velvet fabric with a smooth surface and a preparation method of the soft, glutinous and elastic velvet fabric. The method comprises the following steps: S1, weaving MODAL yarns with low density and low twist, polyester and spandex to obtain a fabric; s2, pre-shaping the fabric under the action of high temperature; s3, raising finishing: raising finishing is performed on the surface of the fabric, and then flame treatment is performed; s4, the fabric is placed in a dye vat for dyeing treatment, and meanwhile bio-enzyme is added for polishing treatment; s5, the fabric is placed in an oil cylinder to be subjected to forming and softening treatment; and S6, washing and finishing the fabric by using biological enzyme. The fabric has fine, soft and glutinous hand feeling, is light in weight and breathable, and has the experience of no burden on wearing in the sports process; the cloth cover is raised through the special finishing process, and then through singeing, bio-enzyme polishing and enzyme washing, the cloth is more skin-friendly, smooth and high-grade, has a fluffy feeling when being touched and has a sticky feeling that fluff cannot be seen actually, and forms a special frost feeling effect.

The invention relates to a talcum powder filled polypropylene composite material as well as a preparation method and application thereof, and belongs to the technical field of compositions of high-molecular compounds. The talcum powder filled polypropylene composite material comprises the following components in parts by weight: 45-80 parts of polypropylene resin, 10-25 parts of POE (Polyolefin Elastomer), 10-25 parts of talcum powder and 3-13 parts of a polar modifier, the polar modifier comprises a grafted copolymer of polypropylene grafted maleic anhydride and a diamine compound, surlyn resin and magnesium hydroxide. The surface of the talcum powder filled polypropylene composite material has high surface tension and high paint adhesion after flame treatment.

The invention belongs to the technical field of printing ink, and discloses UV printing ink with good weather resistance as well as a preparation method and application of the UV printing ink. The UV ink is prepared from the following raw materials: 20 to 50 parts of aliphatic polyurethane acrylate, 40 to 60 parts of epoxy polyester acrylate, 10 to 40 parts of active monomer, 2 to 6 parts of photoinitiator and 10 to 20 parts of modified composite filler, the active monomers comprise 5-15 parts of a (methyl) acrylate monomer containing fluoroalkyl and 5-20 parts of a silicon-containing acrylate monomer; the modified composite filler is zinc oxide coated talcum powder modified by a silane coupling agent. When the UV ink is used for printing a plastic base material, a cured film layer is good in adhesive force and excellent in weather resistance, acid and alkali resistance, wear resistance and flexibility, and pretreatment operations such as corona, medium coating or flame treatment do not need to be carried out on the plastic base material.

The utility model discloses an environment-friendly flame treatment machine, and relates to the technical field of workpiece surface treatment. The device comprises a flame spraying pipe, through grooves are symmetrically formed in the circumferential side of a flame spraying head communicated with the end of the flame spraying pipe, a circular plate is connected to the side, away from the flame spraying pipe, of the interior of the flame spraying head, a heat insulation sleeve is connected to the circumferential side of the flame spraying pipe in a sleeved mode, and fire adjusting assemblies symmetrically arranged on the circumferential side of the flame spraying head comprise fire baffles; the fireproof plate is inserted into the through groove and abuts against the side wall of the circular plate, and the end of a hydraulic rod connected with the side wall of the fireproof plate is connected with a hydraulic cylinder. The heat dissipation assembly arranged on the lower portion of the peripheral side of the heat insulation sleeve comprises a heat conduction plate. The environment-friendly flame processor is provided with the fire adjusting assembly, the number of the fire through holes blocked by the fire blocking plate can be conveniently adjusted, flame gathering or dispersing adjustment is achieved, flame extinguishing is avoided, the heat dissipation assembly is arranged, the heat conduction plate and the heat dissipation fins can be conveniently and rapidly disassembled and assembled, and the downtime of the environment-friendly flame processor when the heat dissipation assembly is disassembled and assembled is shortened.

The invention discloses a polyolefin composition as well as a preparation method and application thereof, and belongs to the field of high polymer materials. According to the polyolefin composition disclosed by the invention, the polyamide material, the plant fiber and the polymer grafted polar monomer with specific addition amounts are added to synergistically improve the surface polarity, the adhesive property and the dimensional stability of the polyolefin composition, so that the polyolefin composition is high in surface polarity and has good adhesive property without flame treatment and plasma treatment; and meanwhile, the adhesive has good dimensional stability and is suitable for the field of adhesive bonding and coating, such as the packaging industry, the wood-plastic floor industry, the automobile industry and the like.

The invention relates to the technical field of rotational flow flame holders, and discloses a rotational flow flame holder and multistage air distribution device of a linear flame treatment combustor, the rotational flow flame holder and multistage air distribution device comprises a barrel, a flame stabilizing mechanism is arranged in the barrel, the flame stabilizing mechanism comprises a guide barrel, the guide barrel is located in the barrel, and the guide barrel is located in the barrel. The surface of the guide cylinder is fixedly connected with three first mounting plates distributed circumferentially, and the ends, away from the guide cylinder, of the first mounting plates are fixedly connected with the inner wall of the cylinder body. According to the invention, the inclined guide plate of the guide cylinder enables airflow to form primary rotational flow, the gas-liquid contact area is enlarged, the central pressure is reduced, a foundation is laid for flame root stabilization, the inclined guide plate of the flame stabilizing cylinder further strengthens the rotational flow, a high-strength rotational flow field is formed, and a backflow area formed by the rotational flow field entrains high-temperature combustion products and continuously heats unburned mixed airflow; the flame is kept in a stable combustion state in dynamic airflow, and the mixing efficiency of fuel and air is improved.

The utility model relates to the technical field of flame treatment devices, and discloses a novel flame treatment device which comprises a flame treatment device body, one end of the flame treatment device body is connected with a pipeline, one end of the pipeline is provided with a flame nozzle in a threaded mode, and one side of the flame treatment device body is provided with a fixing plate. A movable plate is slidably arranged at the top end of the fixed plate, and a movable block is slidably arranged on one side of the movable plate. According to the flame nozzle fixing device, the second motor is installed on one side of the movable block, the clamping ring is welded to the output end of the second motor, one end of the flame nozzle is inserted into the clamping ring, then the clamping ring is shrunk by rotating the locking nut, and therefore the flame nozzle is fixed, and the flame nozzle can be detached conveniently due to the design of the clamping ring; and the output end of the second motor rotates to control the flame nozzle to synchronously rotate, so that the angle of the flame nozzle is adjusted, and the surface of a product with an inclined surface or a curved surface is conveniently treated.

1. Name of the Design Product: Wine Bottle (After Flaming). 2. Use of the Design Product: This design patent is mainly used for the outer packaging of alcoholic beverages. 3. Design Key Points of the Design Product: It lies in the combination of shape, pattern and color. 4. Picture or Photograph Most Indicating the Design Key Points: Three-dimensional View. 5. The claimed design includes color.

1. Name of the Design Product: Wine Box (After Flaming). 2. Use of the Design Product: This design patent is mainly used for the outer packaging of liquor. 3. Design Key Points of the Design Product: It lies in the combination of shape, pattern and color. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view. 5. The claimed design includes color.

The invention provides a functional master batch material for polypropylene and a preparation method of the functional master batch material. The functional master batch material is prepared from the following components in parts by mass: 20 parts of polysiloxane, 20 parts of treated silicon dioxide, 10 parts of polypropylene resin, 50 parts of high-carbon-chain ethoxyamide wax and 0.5 part of a processing aid bag, the molecular weight of the polysiloxane is 1,000,000-1,200,000, and the polysiloxane is a solid; the treated silicon dioxide is silicon dioxide treated by vinyl trimethoxy silane, and is a nanoscale material extracted from corn straw ash after power generation in a physical and chemical manner; the polypropylene resin is resin of which the MFR is 10 to 20g / 10min; the high-carbon-chain ethoxy amide wax is a KF-027 product produced by Zhejiang Jia Hua Refining Co., Ltd. The processing aid bag is an antioxidant; the invention has the advantages that: the demoulding property of the polypropylene material is improved; the process of flame treatment in the spraying process is reduced, the cost of the spraying process is reduced, and the adhesive force of the paint surface after spraying can meet the requirement.

The invention discloses an integrated forming method of a light-weight high-strength automobile exterior trimming part, which comprises the following steps: selecting long glass fiber reinforced polypropylene as a base material, adding a modifier, an antioxidant and a lubricant, mixing, extruding and granulating to obtain light-weight high-strength composite granules; an integrated forming mold is adopted, a mold cavity is subjected to polishing treatment, then a release agent is sprayed, preheating is conducted, and mold locking is completed; drying the prepared composite granules, adding into an injection molding machine, heating and melting, injecting into a mold cavity, maintaining the pressure, and cooling to obtain an exterior trimming part framework; keeping the mold slightly open, and performing flame treatment on the surface of the framework through a flame spray gun; rotating the mold to a coating station, closing the mold, and injecting the bi-component polyester paint to form a functional layer on the surface of the skeleton; and opening the mold and taking out to obtain a light-weight high-strength automobile exterior trimming part finished product. One-time forming of the exterior trimming part is achieved, framework preparation and surface functional layer forming are completed, the process is simplified, the cost is reduced, and the lightweight level and the structural strength of a product are improved.

The invention relates a process for the preparation of a bonded structure (4) comprising at least a first plastic part (1) having a first bonding surface (1a), said process comprising the step of a) treating at least part of a first bonding surface of said first plastic part with a flame of a propane-comprising gas, said propane-comprising gas being propane or a mixture comprising at least 50 wt. % of propane based on the weight of the propane-comprising gas with one or more gases selected from the group consisting of methane, ethane, butane, pentane, and hexane, wherein, during treatment with a flame of the propane-comprising gas, a flame is produced by burning a mixture of air and the propane-comprising gas, wherein the gas-to-air ratio is chosen such that the propane gas to oxygen volume ratio is equal to or less than 1:5.01, for example less than 1:5.00 and preferably at least 3.50 to obtain a first plastic part having a flame-treated first bonding surface.

The present invention discloses a flame treatment die-changing system, belonging to the technical field of die replacement. It includes a workbench and a die-changing cart. The workbench includes a mounting plate and a die plate for installing and fixing the die. At least 4 first support balls for supporting the die plate are provided on the mounting plate. A positioning mechanism for positioning the die plate is provided on the mounting plate, and a detachable limiting component for restricting the movement of the die plate is also provided on the mounting plate; a die-changing plate is provided on the die-changing cart. An installation cavity for inserting the die-changing plate is provided between the mounting plate and the die plate. At least 4 second support balls for supporting the die plate are provided on the die-changing plate, and the vertical height of the second support balls is lower than that of the first support balls. The mutual cooperation of the die-changing plate, the mounting plate, the first support balls and the second support balls simplifies the die-changing of the system, greatly reduces the operation steps of the operator, and the installation accuracy of the die does not need to be considered during the replacement process, which greatly improves the die-changing efficiency of the system.

The invention relates to a method for improving the bonding performance of a thermoplastic carbon fiber composite material and an aluminum alloy. Aiming at different characteristics of a thermoplastic composite material and an aluminum alloy, different process combinations such as mechanical polishing, organic solvent cleaning, vacuum plasma treatment and flame treatment are adopted to carry out cooperative treatment on the surfaces of the thermoplastic composite material and the aluminum alloy base material, so that the surface roughness of the base material is effectively changed, surface dirt is removed, and a polar functional group is introduced; compared with a traditional single mechanical polishing or plasma treatment method, the method has the advantages that the bonding strength and plasticity of the thermoplastic composite material and the aluminum alloy can be greatly improved, and the method is applied to the field of connection of the thermoplastic composite material and the aluminum alloy heterogeneous material.

The utility model discloses surface treatment equipment for injection molded parts before coating, which comprises a workbench, a mechanical arm and a flame nozzle, a cleaning frame is arranged on the workbench, cleaning water is filled in the cleaning frame, a partition plate is fixedly connected in the cleaning frame, two first grooves are arranged on the cleaning frame, and the two first grooves are communicated with the mechanical arm. First motors are fixedly connected to the positions, on the two sides of the first groove, of the workbench, first lead screws are fixedly connected to the output ends of the first motors, moving plates are in threaded connection with the first lead screws, second motors are fixedly connected to one sides of the moving plates, rotating columns are fixedly connected to the output ends of the second motors, and rotating plates are fixedly connected to the bottom sides of the rotating columns; an injection molding part to be treated is placed on the clamping columns and makes contact with cleaning liquid in the cleaning frame through overturning, then the moving frame is driven by the electric push rod to move up and down, meanwhile, the water pump pumps the cleaning liquid to increase contact between the cleaning liquid and the injection molding part, grease and dust on the surface of the injection molding part can be greatly reduced, and the service life of the injection molding part is prolonged. And the flame treatment effect is improved.

The utility model discloses an automobile interior fabric flame-retardant treatment device which comprises a cabinet body, a sliding way assembly is installed on the inner wall of one side of the cabinet body, a sliding block is movably connected to the sliding way assembly, a limiting frame is fixed to the outer wall of one side of the sliding block, an L-shaped cover plate is fixed to one side of the limiting frame, and elastic pieces are installed on the inner walls of the two sides of the limiting frame. A plurality of groups of nozzles are fixed on the outer wall of one side of the spray pipe, and a flame retardant conveying mechanism is connected to the outer wall of the other side of the spray pipe. The position of the spray head in the transverse direction can be adjusted through the slide way assembly, uniform spraying is achieved according to the width of the interior fabric, the elastic piece is matched with the third driving motor, the support, the roller and the arc-shaped block, the spray head and the spray pipe can move up and down by a certain distance along the inner wall of the limiting frame, and more uniform spraying is conducted according to different lengths of the interior fabric; the spraying quality is effectively guaranteed, it is guaranteed that the flame retardant can comprehensively and evenly cover the surface of the interior fabric, and the flame-retardant treatment effect is improved.

The invention discloses a glass door and window assembly production line and production technology.The production line comprises gluing equipment and an assembly workbench, the gluing equipment comprises a machine base, a gluing mechanism, a pretreatment mechanism and a movement mechanism, a placement table is arranged on the machine base, the gluing mechanism is provided with a glue outlet gun, and the glue outlet gun can be connected with external glue supply equipment and output hot melt glue; the pretreatment mechanism is provided with a flame gun, the flame gun can conduct plasma flame spraying treatment on the gluing surface of the profile frame strip, the movement mechanism is arranged on the machine base and is in driving connection with the gluing mechanism and the pretreatment mechanism so as to drive the gluing mechanism and the pretreatment mechanism to move, and the assembling workbench is provided with a containing structure and a press-fitting mechanism; and the press-fitting mechanism can enable the side of the glass main body to be matched with the mounting groove of the profile frame strip in an inserting manner. According to the invention, uniform gluing is ensured, the assembly between the glass main body and the profile frame strip is facilitated, the production efficiency and the automation degree can be improved, and the requirements of large-scale production and continuous production are well met.

The utility model discloses full-automatic flame treatment equipment capable of avoiding debugging singular points, which comprises a positioning turntable and a mechanical arm, the positioning turntable comprises a rack, a turntable and a turntable driving component, at least two mould clamps are uniformly distributed on the turntable along the circumferential direction, each mould clamp is detachably provided with a mould, and the mechanical arm is arranged on the rack. Angle iron is installed on a quick-change connector at the tail end of the mechanical arm, a connecting rod perpendicular to the extending direction of the tail end of the mechanical arm is rotatably installed on the outer side surface of the angle iron through a connecting rod installation base, and a flame gun perpendicular to the connecting rod is installed at the end, away from the connecting rod installation base, of the connecting rod through a cross-shaped connecting base. The angle iron with the included angle is installed and matched with the connecting rod and the cross-shaped connecting base, singular points in the debugging process can be avoided, the debugging degree is simplified, the debugging difficulty is lowered, the debugging efficiency is improved, the posture and position of the flame gun can be flexibly adjusted through cooperation of the connecting rod installing base, the connecting rod and the cross-shaped connecting base, and the debugging efficiency is improved. And the debugging difficulty is further reduced.

The invention provides a flame treatment device for automotive interiors, and relates to the technical field of interior trim treatment, the flame treatment device comprises a rack, a chain scraper conveyor is arranged on the rack, a clamping mechanism is arranged on the chain scraper conveyor, and the clamping mechanism is used for clamping an interior trim part to be treated; a cleaning assembly, a high-pressure air gun assembly and a flame spray gun assembly are sequentially arranged above the chain scraper conveyor in the running direction of the chain scraper conveyor. All the assemblies are integrated on the rack, the layout is reasonable, the interior trim parts are automatically conveyed through the chain scraper conveyor, all the executing mechanisms automatically complete corresponding actions, manual intervention is reduced, and the production efficiency is improved. The cleaning assembly, the high-pressure air gun assembly and the flame spray gun assembly act in sequence, mechanical cleaning is conducted firstly, then high-pressure purging is conducted, and finally flame treatment is conducted, so that a set of complete treatment process is formed, impurities are effectively removed, the surface performance is improved, and the bonding quality of a subsequent coating and the interior trim part is guaranteed.

The invention discloses automatic transfer printing equipment and process for bourdon tubes. The automatic transfer printing equipment comprises a rack, and a sliding rail is arranged on the rack in the length direction of the rack; the feeding device is fixedly mounted on the rack and is used for feeding the bourdon tube; the front end positioning mechanism is fixedly mounted on the rack and is used for positioning the front end of the bourdon tube; the fixed-length servo mechanism is mounted on the sliding rail in a sliding manner and is used for setting the printing position of the spring tube subjected to front end positioning; the flame treatment device is fixedly installed on the rack and used for conducting flame treatment on the surface of the spring tube clamped by the fixed-length servo mechanism in the moving process; the code spraying device is fixedly arranged on the rack and is used for carrying out mark printing on the surface of the spring tube which is processed by the flame processing device and is clamped by the fixed-length servo mechanism to reach the printing position; according to the bourdon tube transfer printing equipment and process, the marking position of the bourdon tube is accurate, printing is uniform, stable and firm, and manual carrying and measurement are not needed.

The application discloses a rotary workbench for flame treatment of a light-weighted outer decoration part surface, and relates to the technical field of outer decoration part processing. The rotary workbench comprises a fixing base, a limiting mechanism and a cooling mechanism. The upper portion of the fixing base is provided with a rotating base connected with the output shaft of a right-angle motor. The lateral surface of the rotating base is uniformly provided with a plurality of connecting frames. The limiting mechanism is arranged on each connecting frame. The cooling mechanism is arranged on the fixing frame of the lateral surface of the fixing base and is used for performing step-by-step cooling treatment on the outer decoration part after the flame treatment. The outer decoration plate is pre-cooled by the air feeding assembly I, and then is twice cooled by the air feeding assembly II. When the cold air is in the air outlet hopper, part of the cold air blows to the baffle of the air outlet hopper, so that the air outlet hopper swings, the air outlet hopper is reset by the torsional spring on the rotating shaft, the hot air diffuses from both sides, and the step-by-step cooling of the outer decoration plate is completed. The outer decoration part is not rapidly cooled, and the quality of the outer decoration plate is greatly improved.

The invention discloses a cleaning assembly line for automobile glass. The cleaning assembly line comprises a polishing assembly, a rolling brush assembly, a spraying cleaning machine, a glass air dryer, a flame treatment assembly and a spraying air drying assembly which are sequentially arranged. The rolling brush assembly comprises a rolling brush unit; the rolling brush unit comprises a water tank, a brush roller and a driving motor; a part of the brush roller is arranged in the water tank; the driving motor is arranged on the outer side of the water tank and is in transmission connection with the brush roller. According to the cleaning process, before the glass is cleaned and air-dried for the first time through the spraying cleaning machine and the glass air-drying machine, the surface of the glass needs to be polished, and preliminary cleaning is achieved through the rolling brush, so that the flatness of the surface of the glass is improved; meanwhile, before the glass enters the spraying and air-drying assembly for secondary cleaning and air-drying, residual organic matters on the surface of the glass need to be deeply removed through the flame treatment assembly, so that impurities on the surface of the glass can be completely removed during secondary cleaning and air-drying, and the cleanliness of the surface of the glass can meet the requirement of a thin spraying process.

To provide a hybrid flame treatment device or the like that performs silicate flame treatment while applying deflashing flame treatment to a resin molded article.SOLUTION: A hybrid flame treatment device or the like that applies deflashing flame treatment and silicate flame treatment to a resin molded article with a surface temperature of 50°C or more having a flash has a second robot arm as a gripping device for holding the resin molded article at a predetermined position and a first robot arm provided with at least one flame treatment part that performs deflashing flame treatment and silicate flame treatment.SELECTED DRAWING: Figure 1

This invention relates to the field of traditional light industrial production technology, specifically to a pen tip electro-flaming and sewing device and method, including a worktable and an execution component. The execution component includes a rotating block, a rotating plate, a fixed box, a protective cover, a drive block, a clamping plate, a support column, and an operating head. After all the operating equipment is connected to the power supply and turned on, after automatic alignment, the internal space of the fixed box is opened first, and then the pen tip is placed into the fixed box. Then, the clamping plate moves longitudinally within the fixed box to clamp and fix the pen tip. Finally, the pen tip is rotated 22.5 degrees to align with the operating head. At this time, a mixture of hydrogen and oxygen from the hydrogen-oxygen generator is sprayed out from the operating head to achieve flame treatment of the pen tip. By using low-wear, high-performance electrical equipment to replace the traditional mechanical structure, the serious wear of the various parts of the traditional mechanical structure during long-term use is avoided, which would affect the normal use of the flame-sewing device.

The invention relates to the technical field of cupping, and discloses a multifunctional cupping moving device which comprises a shell and a cup body, a vacuum pump is arranged on the shell, a containing groove allowing the cup body to be inserted is formed in the shell, a connecting pipeline communicated with the vacuum pump is arranged on the shell, the connecting pipeline is communicated with the containing groove, a through hole is formed in the cup body, and the through hole is communicated with the containing groove. A negative pressure strip is connected to the through hole in a sliding manner; when negative pressure is formed in the tank body, the penetrating hole is blocked by the negative pressure strip, the vacuum pump adsorbs air in the tank body through the connecting pipeline, the negative pressure is formed in the tank body, the tank body can be adsorbed to the skin surface, workers do not need to manually ignite and extinguish fire, and the adsorption operation of the tank body is easier; a worker controls the vacuum pump to form negative pressure in the cup body, the worker does not need to treat flames after cupping, the problem of flame treatment after cupping is avoided, and therefore the risk of fire hazards is avoided.

The invention discloses a preparation process of a coating for improving corrosion resistance of a pressure gauge in a special working environment, which belongs to the technical field of surface treatment and comprises the following steps: (1) cold plasma treatment; (2) flame treatment; (3) heating ionization treatment; (4) dispersion treatment; and (5) photochemical treatment. According to the preparation technology of the coating for improving the corrosion resistance of the pressure gauge in the special working environment, raw material matching is reasonable, the method is scientific, cold plasma treatment, flame treatment, ionization treatment and the like are combined, and the finally prepared coating is used for a pressure gauge shell; chemical corrosion resistance such as acid resistance, alkali resistance and salt resistance of the pressure gauge shell can be effectively improved, so that the quality of the pressure gauge shell is remarkably improved, and the service life of the pressure gauge shell is prolonged.

A method for producing an adhesive sheet according to the present invention comprises performing a surface modification treatment using an active energy ray on a first adhesive sheet containing a polymer of a monomer and a remaining monomer, thereby obtaining a second adhesive sheet in which the amount of the remaining monomer is reduced compared to the first adhesive sheet. The surface modification treatment is, for example, at least one selected from the group consisting of corona treatment, plasma treatment, excimer UV light treatment, and flame treatment. This manufacturing method is suitable for manufacturing an adhesive sheet in which the amount of residual monomers is reduced and the decrease in anchoring force is suppressed.

The present application provides a flame treatment apparatus and a method for preparing a battery electrode sheet. The flame treatment apparatus comprises a burner and a flame stabilizing cover. The burner is provided with a premixing cavity and a flame outlet that are in communication with one another. The flame stabilizing cover is provided on the burner. The flame stabilizing cover is provided with a flame guiding channel, one end of the flame guiding channel is provided with a first opening, and the other end thereof is provided with a second opening. The first opening is in communication with the flame outlet for guiding a flame ejected from the flame outlet into the flame guiding channel and ejecting same by means of the second opening, so as to perform flame treatment on a surface of a battery electrode sheet preform. Specifically, by means of adding the flame stabilizing cover at the flame outlet of the burner, the flame is not easily affected by an external flow field, the morphological stability of the flame is improved, and the flame utilization efficiency is improved, thereby improving the flame treatment effect on the battery electrode sheet preform.