28 results about "Flame polishing" patented technology

The utility model discloses a polishing device for cylindrical glass products, relates to the technical field of flame polishing machines, and aims to solve the problem that the output end of an existing flame polishing machine for the glass products is blocked along with the increase of time when the output end of the flame polishing machine for the glass products is used. The overturning cover plate is installed on one side of the polishing device body, one side of the overturning cover plate is rotationally connected with the polishing device body through a rotating shaft body, and a plurality of flexible connecting rod pieces are arranged in the middle of the inner wall of the overturning cover plate. And the multiple flexible connecting rod pieces are fixedly connected with the overturning cover plate, the multiple flexible connecting rod pieces are arranged in the middle of the inner wall of the overturning cover plate from top to bottom in a straight line mode, cleaning brush heads are arranged on the circle of the outer walls of the multiple flexible connecting rod pieces, and the cleaning brush heads are fixedly connected with the circle of the outer walls of the flexible connecting rod pieces.

The invention relates to the field of flame polishing, and discloses flame polishing equipment for medical bottle processing, which comprises a protection box, a switching structure is arranged in the middle of the front surface of the protection box, two groups of placing structures are arranged on the switching structure, and a mounting plate is mounted in the middle of the upper surface of the protection box. A motor is mounted in the middle of the inner wall of the mounting plate, the bottom end of an output shaft of the motor is fixedly sleeved with a first gear, the first gear is an incomplete gear, a rotating column rotationally penetrates through the position, close to the right side of the first gear, of the upper face of the protection box, and a first driving structure is arranged between a third gear and a first lifting plate provided with a spray gun; through the arrangement of the third gear and the first driving structure, when the first gear drives the medicine bottle on the placing structure to intermittently rotate, the spray gun can be intermittently driven to move up and down through the third gear and the first driving structure, so that flame polishing can be performed on each position on the medicine bottle under the action of one spray gun, and the cost and the energy consumption are reduced.

The application discloses a kind of functionalization of preparation method of special-shaped glass bottle, belong to glass bottle preparation technical field.It includes the following steps:Step 1: functional film layer is prepared on the surface of flat glass, and coated flat glass is obtained;Step 2: the coated flat glass is formed into bottle body half by hot bending settlement and die pressing compound;Step 3: after the two bottle body halves are finely polished and aligned and fixed, heating fusion is carried out, then flame polishing is carried out, and finally precise annealing is carried out, to obtain the functionalization of special-shaped glass bottle.The application provides a kind of "coating film first, then forming" special-shaped glass bottle preparation method, which effectively solves the problem of uneven coating film on the surface of complex special-shaped bottle in the traditional method, and the problem of poor bonding force.The process difficulty is reduced, and the integrity and firmness of the film layer on the inner surface of the bottle are ensured.

The utility model provides a furnace tube and flange automatic welding device, and relates to the technical field of furnace tube and flange welding. The furnace tube clamping mechanism, the furnace tube heating mechanism and the flange clamping mechanism are arranged, the flange clamping mechanism is used for clamping a flange, the furnace tube clamping mechanism is used for clamping a quartz furnace tube, and a first flame nozzle and a second flame nozzle are arranged, so that the welding position of the quartz furnace tube and the flange is heated at the same time, and the melting state is achieved; the flange clamping mechanism is movably arranged so that the quartz furnace tube and the flange can be extruded together to achieve flame welding, then flame is adjusted to conduct flame polishing on the welding position, and compared with a traditional filler welding mode, the welding precision and production efficiency of the quartz furnace tube are improved.

The application provides an automatic flame polishing method for a quartz wafer, which comprises the following steps: placing a quartz wafer to be polished on a clamp, wherein the clamp comprises a roller provided with a groove, and the edge of the quartz wafer is placed in the groove; controlling a polishing gun to be aimed at the surface of the quartz wafer; and controlling the polishing gun to spray a flame and automatically polish the quartz wafer according to a set moving track while the roller drives the quartz wafer to rotate. Compared with traditional manual polishing, the method has high efficiency, stable polishing, uniform appearance of the polished quartz wafer, and good consistency, so that the processing yield is improved. Moreover, the quartz wafer is driven to rotate by the roller, so that the bumping problem caused by repeated clamping during the polishing process of the quartz wafer is avoided.

The present invention relates to the field of quartz lamps and discloses an automatic polishing quartz lamp assembly, comprising a processing table and a processing box, wherein the processing box is fixedly mounted on the top of the processing table, the bottom and front of the processing box are both open structures, and the front of the processing box is rotatably mounted with a box door via a hinge. A power box is fixedly mounted on the bottom of the processing table, the top of the power box is open, and a first motor is fixedly mounted in the power box. A first mounting hole is formed on the top of the processing table. The present invention has the following advantages and effects: it can automatically polish a quartz glass lampshade using both mechanical polishing and flame polishing, eliminating the need for manual polishing operations, resulting in convenient and labor-saving operation. Moreover, during the flame polishing process, it can ensure that oxygen and hydrogen are fully mixed and evenly burned, reducing gas waste, thereby achieving the purpose of improving the polishing quality and efficiency of the quartz glass lampshade.

The present invention discloses a flame polishing device and a flame polishing method for electronic glass. The polishing device of the present invention comprises an electronic control system, a first transport device, and a second transport device. The electronic control system is connected to a grabbing unit. The grabbing unit comprises a mechanical arm. The connector at the end of the mechanical arm can be flipped and connected to a mechanical suction cup. A flame spray gun is arranged in a polishing box. The flame spray gun is connected to the electronic control system and its switch is controlled by the electronic control system. The air intake pipe of the flame spray gun is respectively connected to an oxygen pipe, an air pipe, and a natural gas pipe. Based on the flame polishing device of the electronic glass of the present invention and utilizing the flame polishing method of the present invention, the grabbing unit is controlled by the electronic control system to automatically grab, flame polish, and automatically place the electronic glass, thereby realizing full automation of fine polishing of the electronic glass. No impurities are generated after polishing, and no post-processing is required.

The invention discloses quartz furnace tube flame polishing equipment and a polishing method, and relates to the technical field of plate processing, the quartz furnace tube flame polishing equipment comprises a base, and further comprises a supporting mechanism used for supporting the bottom of a quartz furnace tube and driving the quartz furnace tube to rotate; the driving mechanism is used for driving the supporting mechanism to operate; the active adjusting mechanism is used for driving the supporting mechanism to lift; the polishing mechanism is used for sequentially carrying out flame polishing treatment on the quartz furnace tubes in the length direction of the quartz furnace tubes; the linkage mechanism is used for sequentially driving all the active adjusting mechanisms to operate; according to the quartz furnace tube flame polishing equipment and the polishing method, before the first flame polishing gun and the second flame polishing gun reach the polishing positions in contact with the rolling wheels, the rolling wheels at the positions are driven to descend to be separated from the quartz furnace tube; therefore, the problem that the quartz furnace tube is easy to deform due to temperature rise when flame polishing treatment is carried out on the position in contact with the roller is solved, and the quality of the quartz furnace tube after flame polishing is ensured.

The application provides a flame polishing device and polishing method for quartz small tubes and small rods, which comprises a polishing gun, a rotary disc machine table, a driving part, a rotating disc, three clamping claws, three adjusting claws and a supporting table. The polishing gun is used for flame polishing a workpiece to be polished. The supporting table is vertically arranged on the rotary disc machine table and is used for supporting one end of the workpiece to be polished. The driving part is installed on the rotary disc machine table and is drivingly connected with the rotating disc and used for driving the rotating disc to rotate. The end of the clamping claw is installed on one side of the rotating disc away from the driving part. The three adjusting claws are respectively installed on the corresponding clamping claws and can be moved and adjusted along the radial direction of the rotating disc. The three adjusting claws are used for clamping the other end of the workpiece to be polished. By moving and adjusting the position of the clamping claw, the spacing between the adjusting claw and the clamping claw is adjusted, and then the concentricity of the adjusting claw can be finely adjusted and corrected, so that the concentricity of the workpiece to be polished meets the design requirements, the product precision is ensured, and the appearance quality problem of the product is reduced.

The present invention relates to the technical field of quartz tube polishing, and discloses a flame polishing method for quartz tubes, comprising the following steps: placing the quartz tube in a quartz tube installation unit for clamping; when the quartz tube is placed, the flame spray head can be driven to rotate and move around the quartz tube through a rotating moving unit; when the rotating moving unit is started, the limit loosening unit can be moved, and when it moves to a certain position, the limit loosening unit is loosened and unlocked, and one end of the quartz tube can be clamped. In the present invention, when the installation block continues to move, it can drive the first extrusion plate to squeeze the fixed plate fixedly installed on the third clamping block to move to the opposite side with the assistance of the second sliding mechanism, until the end of the side wall of the first extrusion plate is located at the opposite end of the third clamping block, and the flame spray head moves to the end of the quartz tube away from the turntable.

This application belongs to the technical field of quartz slab processing, and particularly relates to a processing technology for quartz slabs, including the following steps: S1. Blanking, optimizing the blanking of Plate 1 and Plate 2; S2. Surface grinding, grinding Plate 1 and Plate 2 flat; S4. Laser processing, performing laser processing on Plate 1 and Plate 2; S5. After MC of Plate 1, sintering Plate 1 and Plate 2 precisely; S6. Flattening the flatness, flattening the surfaces of Plate 1 and Plate 2 by applying pressure to obtain a new flatness; S7. Preliminary welding, assembling and welding Plate 1 and Plate 2, grinding and flattening the flatness; S8. Re-welding, performing side plate assembly welding on Plate 1 and Plate 2 after welding, and welding the side plates to Plate 1 and Plate 2; S9. Final product precise sintering, performing flame polishing on the quartz surface through a polishing device to make the surface of the quartz product reach a mirror state; S10. Cleaning, ensuring the cleanliness of the product through cleaning to obtain a quartz slab.

The present invention discloses a flame polishing device for quartz cake-like components, aiming to solve the deficiency of poor flame polishing effect of quartz cake-like components. The invention includes a workbench and a movable blowtorch. Two rotatably arranged rotating shafts are installed on the workbench, and turntables are installed on the rotating shafts. The turntables on the two rotating shafts are correspondingly arranged. A positioning ring groove is provided on the outer wall of the turntable. The quartz cake-like components are clamped between the positioning ring grooves on the two turntables. The blowtorch can fire towards the surface of the quartz cake-like components to perform the flame polishing operation on the quartz cake-like components. After the flame polishing operation of the quartz cake-like components is clamped, it can rotate to ensure that each position can be flame polished, and the flame polishing action is automatically completed, which is beneficial to improving work efficiency.

The present invention discloses a fire polishing system and apparatus for plate glass. The fire polishing system for plate glass according to the present invention comprises a loading station for loading plate glass; a loading load lock station arranged to receive plate glass from the loading station and maintaining a vacuum atmosphere; a preheat station arranged to receive plate glass from the loading load lock station and preheat plate glass; a fire polishing station arranged to receive plate glass from the preheat station and fire polish the edge of plate glass by swirling a flame along the circumference of plate glass; an annealing station arranged to receive plate glass from the fire polishing station and slow-cool plate glass; an unloading load lock station arranged to receive plate glass from the annealing station and maintaining a vacuum atmosphere; and an unloading station arranged to receive plate glass from the unloading load lock station and unload it. According to the present invention, since the flame emitting device rotates around the perimeter of the glass plate and emits flames to the edges of the glass plate, fire polishing can be efficiently performed regardless of the size of the glass plate, so a flexible production system can be easily implemented.

The automatic fire polishing device comprises a graphite positioning tool, a polishing lamp set and an oxyhydrogen pipe closed-loop control device, an electronic fire maker is arranged on a workbench corresponding to the graphite positioning tool, and the oxyhydrogen pipe closed-loop control device is used for accurately adjusting the flow, pressure and mixing proportion of hydrogen and oxygen. The robot body comprises a robot body, an intelligent control system, a mechanical arm movably arranged at the front end of the robot body, an oxyhydrogen pipe and an electromagnetic valve which are movably arranged on a lamp handle, and the lamp handle is movably connected with the mechanical arm through a corresponding connector. According to the full-automatic fire polishing method for the quartz boat, double polishing lamp sets are integrated through the six-axis robot, and high-precision and high-efficiency polishing of the surface of the quartz boat is achieved in cooperation with graphite tool positioning and an oxyhydrogen gas closed-loop control system. Compared with a traditional technology, the technology is safe and reliable, the polishing uniformity is improved by 50%, the machining time of a single piece is shortened to 15 minutes, and the technology is suitable for batch processing of quartz boats in the photovoltaic industry and has high popularization value.

The invention discloses a glass ball polishing device with a surface defect detection function, and relates to the technical field of glass ball polishing, the glass ball polishing device comprises a polishing equipment body and a controller, the polishing equipment body comprises a supporting platform, and a supporting frame, two surface polishing assemblies, two flame polishing assemblies and a testing assembly are installed on the supporting platform; a plurality of sets of grabbing assemblies are installed between the supporting frames and matched with the two sets of surface polishing assemblies, the two sets of flame polishing assemblies and the testing assembly correspondingly, a conveying belt is installed in the middle of the supporting platform, and the surface polishing assemblies, the flame polishing assemblies and the testing assembly are installed on the two sides of the conveying belt correspondingly. The surface polishing assembly can grind and polish the glass cover, the flame polishing assembly can melt and polish the glass cover, and the testing assembly can conduct pressure testing on the glass cover, so that the device can prevent excessive polishing when used, and cracks in the glass cover can be made up in the polishing process.

The invention discloses a quartz furnace tube flame polishing device and a polishing method, and relates to the technical field of plate processing. The device comprises a base, and also comprises: a supporting mechanism for supporting the bottom of the quartz furnace tube and driving the quartz furnace tube to rotate; a driving mechanism for driving the supporting mechanism to operate; an active adjusting mechanism for driving the supporting mechanism to rise and fall; a polishing mechanism for sequentially flame polishing the quartz furnace tube along its length direction; and a linkage mechanism for sequentially driving each active adjusting mechanism to operate. The quartz furnace tube flame polishing device and the polishing method drive the roller at the position to descend and break away from the contact with the quartz furnace tube before the first flame polishing gun and the second flame polishing gun reach the polishing position contacting with the roller, thereby avoiding the problem that the quartz furnace tube is easily deformed due to the temperature increase when the flame polishing is performed on the position contacting with the roller, and ensuring the quality of the quartz furnace tube after flame polishing.

The utility model discloses an angle adjusting mechanism of a medicine bottle opening flame polishing machine, which comprises a supporting leg, one side of the supporting leg is fixedly connected with a fixed guardrail, and the other side of the supporting leg is fixedly connected with a driving motor. The utility model relates to the technical field of flame polishing machines. A worker places medicine bottles on the top of a conveying belt, a driving motor is started, the driving motor drives the medicine bottles to move through a transmission rod and the conveying belt, a material pumping pump is started, the material pumping pump pumps fuel in a fuel storage bin through a fuel conveying pipe and conveys the fuel into a flame polishing machine, the flame polishing machine is started to conduct flame polishing on the medicine bottles, and a servo motor is started; the servo motor drives the flame polishing machine to rotate through the transmission shaft, the rotating inclined plate, the fourth electric push rod and the transfer pump to conduct multi-angle flame polishing on the medicine bottles, the working range of the flame polishing machine is enlarged, workers do not need to manually adjust the positions of the medicine bottles, the workers are prevented from being burnt by the flame polishing machine, and the safety of the device is improved.

The invention relates to a picosecond laser cracking-off machine which is characterized in that the picosecond laser cracking-off machine comprises a rotating device, a clamping device and an overturning device are installed on the rotating device, and a feeding device, a laser cutting device, a burning gun device and a discharging device are sequentially arranged on the outer side of the rotating device in the same direction; the feeding device, the laser cutting device, the burning gun device and the discharging device correspond to the clamping device, the turnover device and the clamping device correspond to the discharging device, and the turnover device is arranged between the clamping device and the discharging device. The device has the advantages that automatic production is achieved through feeding, opening cracking and discharging, efficiency is high, cut glass openings are smooth, grinding and drying are not needed after flame polishing, production procedures are simplified, the process is shortened, energy consumption is reduced, the breakage rate is low, the opening quality is high, the product quality is improved, glassware is not prone to cracking, and the production cost is reduced. And the production yield of products is improved.

The utility model provides an optical glass tube end face flame polishing device, which relates to the technical field of flame polishing and comprises a workbench, a support is arranged on one side of the workbench, a flame spraying tube is arranged on one side of the support, a tank body is arranged on one side of the workbench, the tank body is connected with the flame spraying tube through a pipeline, and the flame spraying tube is arranged on the other side of the workbench. A fixed moving device is arranged on one side of the working table, the fixed moving device comprises a sliding rail, a fixed plate is connected to the interior of the sliding rail in a sliding mode, a placing block is fixedly connected to one side of the fixed plate, and a threaded rod is rotationally connected to one side of the placing block. According to the optical glass flame polishing device, multiple pieces of optical glass can be clamped and fixed, photovoltaic glass which is clamped and fixed can be moved, flame polishing can be rapidly conducted on a batch of optical glass, and therefore the operation steps of flame polishing of the batch of optical glass can be reduced, and the use efficiency of the flame polishing device is improved.

The invention discloses a preparation method of glass beads with high refractive index. The preparation method comprises the following steps: mixing materials: mixing raw materials of SiO2, TiO2, BaO, CaO, BaSO4 and ZrO2 in proportion to obtain a batch; sieving: sieving the batch to ensure uniform mixing; electric heating melting: putting the sieved batch into an electric furnace for melting, clarifying and homogenizing to form homogenized glass liquid; performing centrifugal bead throwing, enabling the homogenized glass liquid to pass through a centrifugal bead throwing device to form glass bead prototypes, collecting the glass bead prototypes, annealing: performing annealing treatment on the collected glass bead prototypes so as to eliminate internal stress, and performing flame polishing: performing flame exposure treatment on the annealed glass beads by adopting a group of flame spray guns, the high-refractive-index glass beads with smooth surfaces are obtained, crystallization inhibition of the interiors and the surfaces of the glass beads is achieved by improving the melting clarification process and the polishing process, the high-refractive-index glass beads are obtained, and the high-refractive-index glass beads have the advantages of being high in refractive index, low in crystallization rate, high in retroreflection coefficient and the like.

The present invention discloses a method for preparing high-refractive-index glass microbeads, including: mixing: mixing SiO2, TiO2, BaO, CaO, BaSO4, and ZrO2 raw materials in proportion to obtain a batch; sieving: sieving the batch to ensure uniform mixing; electric melting: placing the sieved batch in an electric furnace for melting, fining, and homogenization to form homogenized molten glass; centrifugal bead casting: passing the homogenized glass melt through a centrifugal bead casting device to form glass microbead precursors and collecting the glass microbead precursors; annealing: annealing the collected glass microbead precursors to eliminate internal stress; and flame polishing: performing flame exposure treatment on the annealed glass microbeads by using a set of flame spray guns to obtain high-refractive-index glass microbeads having smooth surfaces. Through improvements to the melting and fining process and the polishing process, suppressing crystallization inside and on the surfaces of the glass microbeads is realized to obtain high-refractive-index glass microbeads having characteristics including a high refractive index, a low crystallization rate, and a high coefficient of retroreflection.

The application discloses a preparation method of high-refractive glass microbeads, which comprises the following steps: mixing, mixing SiO2, TiO2, BaO, CaO, BaSO4 and ZrO2 raw materials in proportion to obtain a mixture; sieving, sieving the mixture to ensure uniform mixing; electrothermal melting, placing the sieved mixture in an electric furnace to melt, clarify and homogenize, forming a homogenized glass liquid; centrifugal bead throwing, forming glass microbead rudiments through a centrifugal bead throwing device and collecting the glass microbead rudiments; annealing, annealing the collected glass microbead rudiments to eliminate internal stress; and flame polishing, adopting a group of flame spray guns to perform flame exposure treatment on the annealed glass microbeads to obtain high-refractive glass microbeads with smooth surfaces. Through improvement of the melting and clarifying process and the polishing process, crystallization inhibition of the interior and surface of the glass microbeads is realized, and the high-refractive glass microbeads with the characteristics of high refractive index, low crystallization rate and high retroreflective coefficient are obtained.

The application provides a clamping device for automatic flame polishing of square quartz plates, which comprises a frame body, sliding rails installed on the frame body, a first clamping piece and a second clamping piece made of graphite, wherein the first clamping piece and the second clamping piece are vertically arranged and movably installed on the sliding rails; a plurality of first protrusions are formed on one side of the first clamping piece close to the second clamping piece, and a plurality of second protrusions are formed on one side of the second clamping piece close to the first clamping piece; when the quartz plate is clamped and fixed, the first clamping piece contacts the quartz plate through the first protrusions, and the second clamping piece contacts the quartz plate through the second protrusions. The quartz plate is contacted only through the first protrusions and the second protrusions, so that the contact area with the quartz plate is greatly reduced, and the pollution to the surface of the quartz plate is greatly reduced.

The application discloses an automatic glass bottle flame polishing device and relates to the technical field of flame polishing devices.The automatic glass bottle flame polishing device comprises a central base, a rotating frame is rotationally connected to the outer wall of the central base, an external driving structure is connected to the rotating frame, the top of the rotating frame is connected with a circumferentially-distributed rotating disc frame, a rotating disc is rotationally connected to the inside of the rotating disc frame, a heating wire and a guide vane are connected to the inside of the rotating disc frame, an upper rotating rod is connected to the bottom of the rotating disc, a gas supply assembly is connected to the bottom of the rotating frame, the gas supply assembly is connected in communication with the inside of the rotating frame, and the gas supply assembly intermittently supplies gas into the rotating disc frame.By arranging the heating wire and the guide vane in the rotating disc frame and cooperating with the gas supply assembly at the bottom, the overall temperature of the bottle body is uniformly raised, the internal stress caused by instantaneous high temperature is greatly reduced, and the bottle body cold explosion, dark crack and burst are effectively reduced.

This invention belongs to the field of semiconductor technology, and particularly relates to a fine sintering process for OP rings used in semiconductor epitaxy, comprising the following steps: S1: Front-end pretreatment section, which sequentially includes OP material receiving, unloading, water jet cutting, surface grinding, MC fine machining, dewaxing and cleaning, boiling and cleaning, and front-end process inspection; S2: Fire processing core section, which sequentially includes fire processing cleaning, fine sintering, annealing, and final inspection. The fire processing cleaning process first uses a neutral strong degreasing agent for cleaning, and then uses a mixture of nitric acid and hydrofluoric acid for cleaning. The fine sintering process uses a fine sintering machine to generate a flame through the combustion of high-purity hydrogen and oxygen to perform a one-time continuous flame polishing and fine sintering of the OP ring; S3: Post-processing purification and packaging section, where the OP rings completed in S2 are cleaned and packaged. The product surface of this invention is free of impurities, improving the uniformity of fine sintering, enhancing the smoothness, flatness, surface roughness and uniformity of the product surface, and increasing the yield.

The utility model discloses a square quartz plate flame polishing device, and relates to the technical field of quartz material processing, the square quartz plate flame polishing device comprises a clamping assembly and a polishing assembly, the clamping assembly comprises a rotating table capable of rotating along the axial direction of the clamping assembly and a polishing assembly which are oppositely arranged along the width direction of the rotating table, a lower groove is formed in the top surface of the rotating table in the length direction of the rotating table; the polishing assembly comprises a displacement mechanism and a spray gun mechanism located on the displacement mechanism. The displacement mechanism comprises a linear guide rail arranged in the length direction of the rotating table, a transverse adjusting piece located at the bottom of the linear guide rail and arranged in the width direction of the rotating table, and a height adjusting piece longitudinally arranged on the linear guide rail. According to the square quartz plate polishing device, the polishing working efficiency can be improved while the polishing quality of the square quartz plate is guaranteed.

The utility model relates to the technical field of glass processing, and discloses a quartz glass tube end face flame polishing device which comprises a supporting assembly, the supporting assembly comprises a bearing frame, a limiting clamp is fixedly installed at the top of the bearing frame, a servo motor is fixedly installed in the bearing frame, and the servo motor is connected with the limiting clamp. And the output end of the servo motor is fixedly connected with a driving gear. The movable seat is pushed to move, the connecting rod is used for driving the connecting disc, and the clamping plate outside the connecting disc is influenced by vertical force of the connecting disc and is limited by the limiting block and the guide groove to expand outwards or contract inwards. In this way, the quartz glass tube can be arranged on the clamping plate in a sleeving mode, so that the effects that the quartz glass tube is stably fixed, the position of the quartz glass tube is accurate and the quartz glass tube does not shake in the polishing process are achieved, and the polishing quality of the end face of the quartz glass tube can be improved easily; accurate control over the rotating speed and the rotating direction of the quartz glass tube in the polishing process is achieved.

The utility model discloses an acrylic surface flame polishing device, which belongs to the technical field of acrylic flame polishing and comprises a polishing table, L-shaped support plates are fixedly connected to two ends of the top of the polishing table, limit rings are fixedly connected to adjacent sides of the two support plates, and rotating balls are rotatably connected to the top ends of the limit rings through formed arc-shaped grooves. The top end and the bottom end of the rotating ball are fixedly connected with a movable rod and a connecting rod correspondingly, the bottom end of the connecting rod is fixedly connected with a flame sprayer used for spraying flames, the side face of the movable rod is in lap joint with a movable ring, the outer ring face of the movable ring is fixedly connected with a threaded plate, and the threaded plate is in threaded connection with a threaded rod. According to the multi-angle flame polishing device for the acrylic plate, multi-angle flame polishing of the acrylic plate is achieved through the flame spray head rotating at multiple angles, and the polishing effect on the acrylic plate is improved.