133results about How to "Avoid chipping" patented technology

The preparation method comprises the following steps: crushing raw materials, carrying out dual-frequency ultrasonic extraction in combination with a solvent to obtain a high-activity and high-oxidation-resistance component, filtering through a micro-filtration membrane, mixing an extracting solution and crushed filter residue raw materials according to a ratio, sterilizing, adding modified microcrystalline cellulose and other auxiliary materials, and mixing, so as to obtain the anti-aging body-consolidating and life-prolonging pill. And refining honey and pelleting to prepare the life-prolonging pill with high stability, good pill quality and high oxidation resistance.

The invention relates to the technical field of waste resource recycling and automatic processing, and discloses a waste household appliance disassembling process parameter adaptive control method and system, and the method comprises the steps: carrying out the registration fusion of multi-view surface data, and obtaining a complete point cloud model; identifying a high-deformation area based on curvature features and fitting cutting reference surface parameters; performing smooth adjustment on the reference plane parameters according to the pose difference of the adjacent areas to obtain a coordinated reference plane set; generating an initial compensation vector in combination with the discrete points of the cutting path, and correcting direction mutation to obtain a preliminary compensation instruction; and real-time cutting feedback data are collected in the disassembling process, if the machining state is abnormal, the compensation vector of the follow-up path is corrected, and a target self-adaptive control instruction is obtained. According to the invention, self-adaptive precise cutting of waste household appliance parts with complex deformation and uneven material characteristics can be realized.

The utility model relates to the technical field of glass laser coding machines, and discloses a clamping device of a glass laser coding machine, which solves the problem that the glass laser coding machine is not easy to stably clamp glass when clamping the glass, and comprises a processing table, the upper surface of the processing table is fixedly connected with a mounting frame, and the mounting frame is fixedly connected with the glass laser coding machine. A laser machining mechanism used for laser machining is arranged on one side of the mounting frame, a clamping mechanism used for clamping glass is arranged on the upper surface of the machining table and comprises a motor A fixedly connected to one side of the machining table, the output end of the motor A is fixedly connected with a double-threaded rod, and the outer side of the double-threaded rod is in threaded connection with a connecting plate. The upper surface of each connecting plate is fixedly connected with a clamping plate, one side of each clamping plate is fixedly connected with a buffering pad, a sliding groove A is formed in the upper surface of the machining table, the connecting plates are connected into the sliding grooves A in a sliding mode, the number of the connecting plates is two, the two connecting plates are symmetrically arranged, and the purpose of stably and firmly clamping glass is achieved.

The invention relates to a material mixing packaging bottle and a using method, the material mixing packaging bottle comprises a liquid material barrel and a solid material barrel, the solid material barrel is inserted into the liquid material barrel in a sliding mode, the inner wall of the solid material barrel is provided with a plurality of limiting supporting pieces, and the limiting supporting pieces are distributed around the axis of the solid material barrel at intervals; a gap is formed between every two adjacent limiting supporting pieces to form a liquid flowing groove, a freeze-drying bin is formed between the upper surfaces of the limiting supporting pieces and an inner cavity in the upper portion of the solid material barrel, freeze-drying balls are arranged in the freeze-drying bins, the lower end face of the solid material barrel is fixedly covered with a diaphragm, the inner wall of the bottom of the liquid material barrel is fixedly connected with a puncturing piece, and an inner cavity in the lower portion of the liquid material barrel is filled with essence. A mixed liquid flowing opening is formed in the bottom wall of the liquid material barrel in a penetrating mode, a bottom cover is detachably connected to the bottom face of the liquid material barrel, and a detachable limiting piece for limiting the solid material barrel to move downwards relative to the liquid material barrel is detachably connected to the outer wall of the upper portion of the solid material barrel. The freeze-drying device has the advantage that the possibility of freeze-drying ball fragmentation is reduced.

The utility model relates to electronic signature technical field, specifically disclose a kind of electromagnetic signature device, including signature equipment main part and signing pen, the one side of signature equipment main part is fixedly installed with connecting frame, the outer wall one side of connecting frame is fixedly installed with servo motor, the output of servo motor is fixedly connected with installation shaft, the surface of signature equipment main part is slidably installed with protective shell, the surface of installation shaft is rotatably installed with take-up drum, the surface of installation shaft is fixedly installed with hollow block, line rope can prevent signing pen from falling and losing when using, outwardly pulling signing pen can make line rope length increase, facilitate personnel to write signature, servo motor drives installation shaft rotation can be overlength line rope is reeled, avoid line rope too long or too short influence signing pen's writing experience, protective shell can cover signature equipment main part surface and protect, and cleaning cloth can wipe and clean screen when sliding.

This utility model relates to the field of wood ear mushroom packaging technology and discloses a wood ear mushroom packaging vacuum coating machine, including a worktable, a vacuum chamber hinged to the top of the worktable, a connecting pipe connecting the worktable and the vacuum chamber, multiple material feeders rotatably arranged at the bottom of the vacuum chamber, and a spreading component movably arranged inside the worktable. The spreading component includes a placement platform, a moving shaft, and a lifting column. The lifting column is fixedly arranged at the bottom of the placement platform, and the moving shaft is rotatably arranged inside the worktable. The lifting column is sleeved on the moving shaft. The placement platform clamps the wood ear mushroom product through the four-sided abutment plates. The disc eccentrically arranged on the moving shaft pushes the lifting column, and the lifting column pushes the placement platform. The placement platform, through the up and down vibration of the vibration spring, drives the packaging to vibrate and spread the wood ear mushroom evenly, so that the wood ear mushroom particles are evenly distributed in the packaging, avoiding the particles from breaking the packaging and solving the problems of poor sealing and easy moisture oxidation caused by the gaps between particles.

The utility model provides a pre-cutting device used before detection of dried marine products. The pre-cutting device used before detection of the dried marine products is high in positioning precision and stable in cutting function. The device comprises a machine body, a positioning assembly and a cutting assembly, the cutting assembly is installed below the machine body, a distance sensor and a pneumatic sliding block are arranged on a sliding rod of the cutting assembly, and the cutting stroke is controlled in a linkage mode through an in-place sensor. High-precision cutting is achieved through sensor feedback and pneumatic driving, positioning stability is enhanced through the baffle, the butterfly nut adjusting mechanism and the guide rail guide wheels, and sample sliding is reduced through cooperation of the inclined design of the top plate and the friction strips. The device can be adapted to dried marine products with different hardness and thickness, and the pre-detection processing efficiency and the data reliability are remarkably improved. The food detection device can be widely applied to the technical field of food detection equipment.

The utility model relates to the technical field of grinding devices, in particular to a wafer production grinding device which comprises a workbench, a first hydraulic cylinder is fixedly installed in the workbench, a lifting plate is fixedly installed at the output end of the first hydraulic cylinder, and a positioning rod is fixedly installed at the bottom end of the lifting plate. A first motor is fixedly mounted on the side face of the lifting plate, and a rotating rod is fixedly mounted at the output end of the first motor. According to the wafer polishing device, the first hydraulic cylinder drives the lifting plate to ascend and descend, the first motor drives the rotating rod to rotate, the clamping plate moves to place and fix a wafer, the second motor and the third motor drive the first lead screw and the second lead screw to rotate and drive the sliding block and the moving plate to move, and the fourth motor is started to enable the polishing piece to polish the wafer. And meanwhile, the first spring on the upper portion enables the wafer to be stressed more evenly, and the wafer is prevented from being broken.

This invention discloses a notch-type silicon wafer whole-box reference plane consistency positioning device, specifically relating to the field of semiconductor manufacturing silicon wafer transfer and positioning technology. It includes a chassis, with an upper plate fixedly mounted on the upper part of the chassis, and further includes: a central positioning post, fixedly mounted at the center of the upper plate; a driving assembly, disposed on the left oblique side of the upper part of the chassis; a positioning stop, fixedly mounted on the upper part of the upper plate; and a limiting assembly, disposed between the chassis and the upper plate. This invention uses the central positioning post for the whole-box silicon wafer, combined with the positioning stop precisely adapted to the notch notch, to achieve uniform circumferential angle calibration. Combined with the four-way synchronous concentric clamping structure of the limiting assembly, it can correct minor center offsets and circumferential angle deviations of a single silicon wafer in one go, ensuring that the center offset and notch angle deviation of the whole-box silicon wafer are controlled within the allowable range of the process.

The utility model relates to LED energy-saving lamp technical field, specifically disclose a good protective LED energy-saving lamp, including lamp stand, the inside installation of LED energy-saving lamp tube of lamp stand is provided with sealed protection mechanism and detachable limiting mechanism outside lamp stand, sealed protection mechanism includes the fixed frame of fixed connection in the outer wall of lamp stand, the below of fixed frame is provided with hard frame, the lower end fixed connection of hard frame has the protection cover of LED energy-saving lamp tube outside, the protection cover provides protection for the lamp tube, prevents the external force collision and breaks, simultaneously rectangular sealing ring continues to seal, can block the water vapor, the oil dirt and enter the inside, reduce the oxidation of the lamp tube element because of the erosion, thereby promote its service life and use safety, keep the position of moving block, push the protection cover to move right again, make the limiting column from the first limiting hole and draw out, can take down the protection cover and hard frame, at this moment, the lamp tube is completely exposed, is convenient for the replacement operation.

This utility model discloses a radio frequency transceiver for communication, relating to the field of electrical communication technology. It includes: a housing with an antenna connected to one end; a circuit board installed inside the housing and electrically connected to the antenna; a signal transmitting module and a signal receiving module, respectively integrated on the circuit board; and a pair of shielding covers installed on the circuit board, respectively covering the signal transmitting module and the signal receiving module. By providing a bushing on the inner surface of a first ferrite semi-magnetic ring, and making the portion of the bushing inside the first ferrite semi-magnetic ring form a load-bearing structure, when the wire harness is placed on the bushing, the bushing provides an upward load-bearing force to the wire harness. This load-bearing force can balance the downward tendency of the wire harness under gravity, thereby effectively preventing the wire harness from rubbing against the hole wall of the shielding cover due to long-term downward movement and preventing excessive gaps between the top of the wire harness and the inner wall of the second ferrite semi-magnetic ring. This prevents wear of the wire harness insulation layer or breakage of the wire core and magnetic leakage caused by increased gaps above.

The utility model discloses a cutting device for billiard cue manufacturing, which comprises a cutting table, the upper surface of the cutting table is connected with two fixing clamps in a sliding manner, the outer surface of the cutting table is provided with a collecting mechanism, the upper surface of the cutting table is provided with a mounting groove, the bottom surface of the cutting table is provided with a cutting mechanism, and the cutting mechanism is connected with the fixing clamps in a sliding manner. The fixing clamp comprises a fixing groove plate, and the inner wall of the fixing groove plate is fixedly connected with an anti-skid pad. According to the device, double fixing clamps are adopted, the air cylinder drives the clamping piece to conduct multi-point fixing on the ball rod, the friction force is enhanced in cooperation with an anti-skid pad, the ball rod is effectively prevented from deviating or vibrating in the cutting process, and the flatness and perpendicularity of a notch are ensured; a ball rod in the fixing clamp is pushed by the connecting grip to make contact with the cutting blade, the cutting mechanism is driven by the driving wheel and the driven wheel, the cutting blade is driven by the driving motor to rotate at a high speed, cutting force is uniform and stable, and edge breakage or material waste caused by traditional manual cutting is avoided.

The invention provides a clutch automatic door opening and closing device and refrigeration equipment, and belongs to the technical field of household appliances. The clutch automatic door opening and closing device comprises a driving mechanism, a transmission wheel and a clutch mechanism; the clutch mechanism comprises a limiting part, a clutch locking part and a clutch pushing part which are arranged on the transmission wheel; the clutch locking part comprises a locking block capable of moving along the first rotating shaft, a spring bolt capable of moving in the first radial direction and a first reset piece connected with the locking block and the spring bolt. The clutch pushing part moves in the first radial direction and drives the spring bolt to move along the first rotating shaft through the locking block, so that the spring bolt is matched with the limiting part; when the spring bolt is matched with the limiting part and the transmission wheel bears abnormal acting force larger than a first preset value, the limiting part forces the spring bolt to retract in the first radial direction and compress the first reset piece, the spring bolt is separated from the limiting part, the locking block is kept still, and therefore impact force is prevented from being transmitted to the clutch pushing part; according to the clutch automatic door opening and closing device, impact force transmission during abnormal impact can be interrupted, so that all parts are protected.

The utility model belongs to the technical field of ceramic sealing rings, and particularly discloses a ceramic-based high-temperature sealing ring gasket which comprises an annular seat, a buffering cavity is formed in the annular seat, and a buffering piece capable of axially sliding is arranged in the buffering cavity. A first magnetic part is arranged at the bottom end of the buffer part, a second magnetic part matched with the first magnetic part is arranged in the buffer cavity, a magnetic repulsive force buffer structure is formed between the first magnetic part and the second magnetic part, a limiting part is arranged at the bottom end of the buffer part, the outer contour of the limiting part is in an arc shape, and a plurality of limiting grooves are formed between the buffer part and the annular base. A plurality of limiting grooves are formed in the annular seat, a plurality of limiting blocks matched with the annular seat are arranged on the inner side of the annular seat, the limiting grooves are used for limiting circumferential rotation of the buffering piece relative to the annular seat, and the limiting grooves formed in the buffering piece are matched with the limiting blocks on the inner side of the annular seat. Axial impact energy is absorbed, and breakage of the ceramic sealing ring caused by axial force is prevented.

The utility model relates to the field of LCM liquid crystal display screen, especially a LCM liquid crystal display screen with anti-bumping function, the utility model provides a LCM liquid crystal display screen with anti-bumping function, including support block, connecting shell and display screen body etc. The utility model discloses a LCM liquid crystal display screen with anti-bumping function, which comprises a support block, a connecting shell and a display screen body, the connecting shell is rotatably arranged on the support block, the inner front side of the connecting shell is inlaidly installed with the display screen body, and the utility model further comprises a protection assembly, which is arranged in the connecting shell. When the impact force exceeds the set threshold, the air bag can be quickly triggered by pressure, and an electric signal is sent to the memory metal frame through the trigger button, so that the memory metal frame quickly heats up and restores the preset shape, forming a rigid protective layer wrapping the edge of the display screen body, effectively preventing the display screen body from breaking or shifting, and improving the safety of the display screen body when impacted.

The present invention relates to the technical field of smart electric meters, and in particular to a three-phase smart electric meter with a smoke alarm device, comprising an installation cabinet, a cabinet door being arranged at an opening of the installation cabinet, a positioning opening and closing mechanism being connected between the installation cabinet and the cabinet door, a conduction block being fixedly connected to the interior of the installation cabinet, an electric meter body being fixedly mounted on the conduction block, a mounting frame being fixedly connected to the interior of the installation cabinet, and a smoke sensor body being fixedly mounted on the mounting frame; the present invention seals and protects the interior of the installation cabinet through the action of a sealing protection mechanism, and releases the air flow inside the installation cabinet through a circulating air intake mechanism, thereby preventing flames from entering the interior of the installation cabinet to cause burning damage to the electric meter body, and continuously cools the glass plate through an explosion-proof cooling mechanism, thereby reducing the probability of damage to the circuit system and reducing property losses caused by fire.

The application discloses a high-temperature alloy turbine shaft deep hole boring special processing equipment and particularly relates to the turbine shaft processing technical field, which comprises an equipment base, the top end of the equipment base is fixedly installed with a vertical support, and the top of the vertical support is fixedly installed with a turbine shaft positioning mechanism. Through the nested sliding structure and independent driving system of the inner boring rod and the outer boring cylinder, the differential step-by-step boring timing of "the inner cutter first enters, the outer cutter follows, the inner cutter first retreats, and the outer cutter continues to feed" is realized. The inner boring cutter head enters the workpiece inner hole to perform one-time boring of a small hole first, retreats and is stored after completion, and the outer boring cylinder continues to feed to perform two-time boring of a large hole. The step-by-step processing mode decomposes large excess cutting into two times of step-by-step removal, effectively disperses the radial cutting force, avoids the aggravation of work hardening and tool blade collapse of the high-temperature alloy material caused by one-time large cutting amount, and improves the processing precision and tool life.

The utility model relates to the field of can storage technology discloses a storage box for yellow peach processing, including the shell, the shell outer wall fixedly connected with the handle, the shell lower surface fixedly connected with the bayonet, the shell inner wall fixedly connected with the slide rail, the slide rail outer wall slidingly connected with the bottom plate, the bottom plate upper surface is provided with the clamping assembly, the clamping assembly includes two support rods, the support rod lower surface all fixedly connected on the bottom plate upper surface, the support rod upper surface all fixedly connected with the connecting plate no.

This application discloses a large-scale multi-blade synchronous pipe cutting machine, including a base, on which a mounting seat is fixedly installed. A ring rack seat is fixedly installed inside the mounting seat, and multiple mounting brackets are arranged inside the mounting seat. A second motor is fixedly installed on each mounting bracket, and a rotating shaft is rotatably connected inside the mounting bracket via bearings. The output shaft of the second motor passes through the mounting bracket and is fixedly connected to the rotating shaft. Gears are fixedly installed on the rotating shaft, and all gears mesh with the ring rack seat. By simultaneously activating multiple second motors, the rotational motion of the gears is converted into translational motion along the circumference of the rack. However, because the gears are constrained by the mounting brackets and can only rotate around the center of the rack, the gears drive the mounting brackets to revolve around the central axis of the ring rack seat, causing the cutting blades to perform circular motion around the pipe axis, achieving synchronous multi-blade circular cutting, thus significantly improving cutting accuracy and efficiency.

This utility model relates to the field of vibration damping device technology, and more specifically, to a window vibration damping and shatterproof device, comprising a main frame, a vibration sensor, a controller, several adjustable damping components, and an electromagnet assembly. The vibration sensor and adjustable damping components are all mounted on the same side of the main frame, while the electromagnet is mounted at the end of the main frame. The electromagnet, the adjustable damping components, and the vibration sensor are all electrically connected to the controller. Through the adjustable damping components, the buffering damping of the window glass under different wind conditions is dynamically adjusted, which can control the vibration frequency of the window under strong winds and prevent the glass from shattering under stress concentration, thus improving the safety of the window in severe weather.

This invention provides a metal mask for silicon-based liquid crystal light valve chips, relating to the field of semiconductor optoelectronic device manufacturing technology. It includes a metal substrate and a pixel aperture array, alignment mark area, stress buffer, and reinforced border disposed on the metal substrate, adaptable to mass production evaporation and photolithography processes for LCoS light valve chips. The metal substrate consists of four layers stacked sequentially from bottom to top: a substrate layer, a molybdenum transition layer, a Mo-Ta-N functional pattern layer, and an Al2O3-SiO2 composite passivation layer. The molybdenum transition layer is deposited on the substrate surface using magnetron sputtering, with a surface roughness Ra < 0.15 nm. The Mo-Ta-N functional pattern layer is deposited on the surface of the molybdenum transition layer using reactive magnetron sputtering. The near-vertical, low-roughness aperture sidewalls of this invention result in shadow-free evaporation, uniform electrodes, and clear edges, improving the light utilization and contrast of the LCoS chip. It also increases the utilization rate of the evaporation material and reduces material loss during mass production.

This application relates to a fabrication system for an all-solid-state battery. The fabrication system includes: a first sheet-making apparatus for fabricating a positive electrode sheet; a second sheet-making apparatus for fabricating a negative electrode sheet; a first stacking apparatus for stacking the positive and negative electrode sheets; wherein the positive electrode sheet is partially offset from the negative electrode sheet along a first direction, the dimension of the positive electrode sheet along a second direction is smaller than the dimension of the negative electrode sheet along the second direction, and the positive electrode sheet along the second direction is within the dimension range of the negative electrode sheet, and the first and second directions intersect; and a first adhesive application apparatus for preparing adhesive frames on the edge portions of the positive electrode sheet extending beyond the negative electrode sheet and the edge portions of the negative electrode sheet extending beyond the positive electrode sheet, to fabricate a stacked unit. This application can fabricate the desired all-solid-state battery using the first sheet-making apparatus, the second sheet-making apparatus, the first stacking apparatus, and the first adhesive application apparatus to meet the processing requirements of all-solid-state batteries.

The utility model discloses an electronic advertisement all-in-one machine, which relates to the technical field of advertisement and comprises a mounting seat, two mounting parts are fixedly connected to the side surface of the mounting seat, an advertisement player is fixedly connected to the inner side of the mounting seat, two guide rails are fixedly connected to the top of the mounting seat, lead screws are rotatably connected to the interiors of the guide rails, and the lead screws are fixedly connected to the top of the mounting seat. According to the electronic advertisement all-in-one machine, the installation frame, the fixing frame and the anti-explosion glass plate are arranged, a fragile screen of the advertisement machine is protected, when advertisements are played, the advertisement playing effect is improved, and the advertisement playing effect is improved. The advertising machine is protected through the explosion-proof glass plate, the situation that the screen of the advertising machine is broken and scratched due to the fact that the screen of the advertising machine is directly impacted by a passerby in an unexpected situation when the passerby walks is prevented, and the use cost is reduced.

The application provides a scribing machine and a scribing method. The scribing machine comprises a scribing table, a rack, a lifting driving mechanism, a lifting seat, a scribing assembly and a thickness measuring camera. The scribing table is used for carrying a wafer to be scribed, and the wafer is attached to a blue film. The rack is arranged above the scribing table, and the lifting driving mechanism is arranged on the rack. The lifting seat is slidably installed on the rack and connected to a movable part of the lifting driving mechanism. The thickness measuring camera and the scribing assembly are arranged side by side on the lifting seat, and the lifting driving mechanism is used for driving the thickness measuring camera and the scribing assembly to lift. The thickness measuring camera is configured to measure the thickness of the wafer on the scribing table. The scribing assembly is configured to scribe the wafer based on the thickness of the wafer. The scribing machine provided by the application can implement automatic thickness measurement of the wafer on the scribing table, so that the scribing assembly can implement scribing operation on the wafer based on the thickness information of the wafer. The application reduces the scribing cost and improves the scribing efficiency.

The invention belongs to the technical field of mechanical engineering, and discloses a broaching tool with a key groove positioning function, the broaching tool comprises a key groove broach and a broaching sleeve, a first positioning groove is formed in the surface of one side of the key groove broach, a first inner groove is formed in the inner wall of the first positioning groove, a second positioning rib is fixedly installed on the surface of the other side of the key groove broach, and a second inner groove is formed in the inner wall of the second positioning groove. A second sliding block is fixedly installed on the surface of the second positioning rib, a second positioning groove is formed in the inner wall of one side of the pull sleeve, and a second inner groove is formed in the inner wall of the second positioning groove. The broaching tool can be kept stable in position and posture in the machining process through the device, so that the tool is prevented from deviating or shaking due to cutting force or vibration, it can be ensured that the size and shape precision of a machined part meet the design requirement, meanwhile, abrasion and damage of the tool in the machining process can be reduced, and the machining efficiency of the broaching tool is improved. Therefore, the cutter is prevented from tipping or breaking due to excessive vibration, and the service life of the cutter is prolonged.

The application discloses a carbon material cutting positioning table, a cutting equipment and a cutting process, and belongs to the technical field of carbon processing. The carbon material cutting equipment includes a carbon material cutting positioning table, a self-protection cutting mechanism and a vibration suppression protection mechanism. The application realizes coupling enhancement of positioning stability and vibration suppression efficiency in the cutting and processing of special-shaped carbon materials through deep cooperation of the material self-adaptive positioning mechanism, the special-shaped positioning assembly, the self-protection cutting mechanism and the vibration suppression protection mechanism. The overall technical effect of single mechanism independent operation is significantly better. The cutting edge collapse rate of the special-shaped carbon material is significantly reduced, the section quality is greatly improved, and automatic, self-adaptive and efficient precision cutting is realized.

The utility model discloses a ceramic plate painting with a breakage-proof edge coating layer, which comprises a square ceramic plate painting and a circular ceramic plate painting, and detachable edge breakage-proof coating structures are coated on the outer edges of the square ceramic plate painting and the circular ceramic plate painting; the edge breakage-proof coating structure comprises a first coating plate and a second coating plate, the edge breakage-proof coating structure is an annular frame formed by splicing a plurality of sections of coating plates end to end, and the adjacent coating plates are connected through clamping mechanisms at the ends. The ceramic plate painting is wrapped by the first wrapping plate and the second wrapping plate, so that the edge breakage-proof effect is achieved, the first wrapping plate and the second wrapping plate can be spliced by arranging the clamping mechanism, and therefore corners of common square ceramic plate paintings and round ceramic plate paintings can be effectively protected, the service life of the ceramic plate painting is prolonged, and the service life of the ceramic plate painting is prolonged. The ceramic plate painting conveying device is reliable in overall structure, easy to manufacture and low in cost, the side faces and the front faces of ceramic plate paintings can be effectively protected in the ceramic plate painting conveying process, and the ceramic plate paintings are prevented from being broken.

The utility model relates to mobile phone / panel technical field especially is a kind of epoxy foaming back cover, the epoxy foaming back cover, including integrally-formed plate body and frame;Wherein, back cover is made of composite board material, and the composite board material includes epoxy resin foam layer, epoxy glass fiber layer, base color layer, first sealing layer, logo layer, protective layer sequentially arranged from inside to outside;Epoxy resin foam layer has good buffering performance, and the buffering capacity of epoxy foaming back cover is improved after epoxy resin foam layer and epoxy glass fiber layer are combined, and the components inside mobile phone / panel can be better protected.Simultaneously, epoxy resin foam layer can absorb impact force, and also prevent epoxy glass fiber layer from breaking when impacted.