512 results about "Glass vessel" patented technology

The invention relates to the technical field of glassware detection, and discloses a glassware thickness detection device and method.The glassware thickness detection device comprises a discharging plate fixed to a conveying line and used for fixing glassware and a detection head used for thickness detection, and a liftable positioning plate is arranged above the glassware; a rotating shaft is rotationally arranged below the positioning plate, a rotating seat is fixed to the bottom end of the rotating shaft, a first sliding groove is formed in the rotating seat, a liquid injection pipe used for coating the surface of the glassware with a coupling agent is arranged in the first sliding groove in a sliding mode, and a transmission rod is fixed to the end of the liquid injection pipe; the circumference of the rotating shaft is sleeved with a disc, and an annular wave groove for the transmission rod to slide is formed in the lower surface of the disc. According to the technical scheme, when a coupling agent is coated, the liquid injection pipe rotates to drive the transmission rod to slide along the annular wave groove, so that the liquid injection pipe can swing back and forth while rotating, and the coating effect of the coupling agent is better.

The utility model relates to the field of chemical experiment equipment, and discloses a cleaning and drying device for laboratory glassware, which comprises a cleaning box and a drying box, a first mounting plate is fixedly arranged in the cleaning box, a hollow cylinder is rotatably arranged on the first mounting plate, and the hollow cylinder extends into the glassware; a sliding rod is slidably mounted on the hollow cylinder, and a brush block is fixedly arranged on the sliding rod; a supporting block is rotationally mounted on the hollow cylinder, and a nozzle is fixedly arranged on the supporting block; the sliding rod and the supporting block are in transmission fit through a connecting piece. A first power assembly is installed in the hollow cylinder and is in transmission connection with the sliding rod. A second power assembly is mounted in the drying box and is in transmission connection with the hollow cylinder; flushing fluid is contained in the cleaning box, and a water pump is fixedly installed; a water outlet of the water pump is communicated with the nozzle through a pipeline passage. The brush block can conduct bidirectional cleaning in the vertical direction and the transverse direction, multi-angle washing of the spray head is achieved, and the cleaning effect is greatly improved.

The invention discloses a device for cutting daily glass through laser. The device comprises a laser assembly, a clamping jaw assembly and a product supporting assembly. The product supporting assembly is used for supporting daily glass, the clamping jaw assembly is located over the product supporting assembly and clamps the daily glass on the product supporting assembly, the laser assembly is located on one side of the clamping jaw assembly, the laser assembly points to the daily glass, and the daily glass is cut through laser. According to the invention, on the aspect of technical principle, an advanced laser technology and a high-precision control system are fused, the limitation of a traditional cracking method is broken through, and fine processing of the cracking of the glassware is realized by accurately regulating and controlling laser energy and pulse parameters.

The utility model discloses a glassware cleaning machine which comprises a cleaning tank, a water storage tank is fixed in the cleaning tank, the upper end of the water storage tank is connected with a cleaning agent tank and a neutralizer tank, and peristaltic pumps are installed on connecting pipes between the cleaning agent tank and the water storage tank and between the neutralizer tank and the water storage tank. The cleaning device has the advantages that the peristaltic pump, the flow meter and the HEPA filter screen are designed, in the cleaning process, the peristaltic pump and the flow meter are combined to automatically and accurately distribute a cleaning agent and a neutralizing agent, then the prepared cleaning agent cannot affect the body of a worker, meanwhile, in the drying process, the HEPA filter screen guarantees the cleanliness of hot air, and the drying efficiency is improved. And therefore, the sterility of the cleaned glassware is ensured, and the cleaning effect is improved.

The utility model relates to the technical field of glassware processing, and discloses a position-angle-adjustable polishing device for glassware processing, which comprises a working table, a polishing cavity is arranged at the top of the working table, a movable groove is arranged at the bottom of the polishing cavity, a movable rod is arranged in the movable groove, and the movable rod is arranged in the movable groove. One end of the movable rod penetrates through the movable groove and is provided with a motor for providing power for polishing; according to the glass bottle polishing device, glass bottles of different sizes can be subjected to limiting polishing work under the action of the extrusion limiting mechanism, so that the application range of the device is wider, meanwhile, the inclination angle of the grinding disc can be adjusted under the action of the treading inclination mechanism, and therefore the polishing angle can be adjusted, and the polishing efficiency is improved. And the situation that when the bevel edge is polished, a worker needs to hold the vessel by hand for polishing is avoided, and the practicability and convenience of the device in the using process are guaranteed.

The invention discloses alkali-free amber glass easy to blow-mold and molding equipment, and relates to the technical field of alkali-free amber glass. The alkali-free amber glass is prepared from the following raw materials in percentage by mass: 55 percent to 60 percent of SiO2, 0.1 percent to 5 percent of Al2O3, 0.1 percent to 5 percent of B2O3, 5 percent to 20 percent of CaO, 5 percent to 20 percent of BaO, 5 percent to 20 percent of ZnO, 0.1 percent to 1.5 percent of Fe2O3, 0.5 percent to 3.5 percent of Ti O2, 0.1 percent to 3 percent of C and 0.1 percent to 3 percent of X2O3, wherein the total mass percent of SiO2 and Al2O3 is 58%-65%, the total mass percent of CaO, BaO and ZnO is 26%-32.5%, the ratio of (CaO + BaO) / ZnO is 2.5-6, and the ratio of X2O3 to Ti O2 is 0.1-7.5, the alkali-free amber glass obtained according to the proportion is easy to blow and form, has the characteristic of high chemical stability, is suitable for storage glassware in the fields of high-end medicines, chemical reagents and the like, and can be used for preparing the amber glass. And meanwhile, in the forming equipment, the multiple sets of forming molds can be assembled only through one driving air cylinder, and compared with a traditional mode that multiple sets of forming molds need multiple drives, the production cost is greatly reduced.

The utility model discloses a carrying device based on glassware, and relates to the technical field of glassware production, the carrying device comprises a device main body, a first connecting block, a tray, a supporting plate and a screw rod, one side of the device main body is welded with a handrail, and one side of the top of the device main body is rotatably connected with two ends of the first connecting block; when the device is used for transferring the glassware, the glassware is placed in the grooves in the trays, so that the glassware bodies are distributed among the air bags, after all the trays are placed, air is pumped into the air bags through the air pump, and then the glassware is transferred through the air pump. According to the device, the air bag can be expanded, then all vessels can be rapidly fixed, the use convenience of the device is improved, carrying can be conducted through the universal wheels, stability can be kept in the carrying process, and the vessels cannot be collided and damaged.

The utility model discloses edge polishing equipment for glassware processing, and relates to the technical field of glassware processing, the edge polishing equipment comprises a device main body, a telescopic rod, a clamping block and a fan, one side of the device main body is provided with a driving motor, and the output end of the driving motor is sleeved with a threaded rod; one end of the threaded rod is rotationally connected with the inner wall of the device main body, when the device is used, glassware is placed between the two air cavities, external air can be pumped into the two air cavities under the action of the air pump, and then high-pressure air in the air cavities can enter the telescopic rod from one end of the telescopic rod; and then the telescopic rods are ejected out of the air cavity, a clamping block at one end of each telescopic rod can firmly abut against the surface of the bottle body, glassware is ground through a grinding head above the glassware after being fixed, and the clamping blocks can make contact with the bottle bodies of special shapes through the different extending lengths of the telescopic rods, so that the grinding effect is improved. And therefore, vessels with various shapes can be fixed.

The invention discloses a toughening furnace device for toughened glass ware processing, and relates to the technical field of glass ware processing, a furnace body comprises a first shell, a second shell and a lifting oil cylinder, the lifting oil cylinder is used for controlling opening and closing between the first shell and the second shell, and a heating rod is arranged in the first shell; the cooling fan assembly is used for driving external gas to sequentially enter the first shell and the second shell and finally be exhausted from the second shell; the heating fan assembly is used for driving gas to circularly flow between the first shell and the second shell; according to the tempering device, the inner surface of the glass blank can be heated or cooled, the temperature of the inner surface and the outer surface of the glass blank is uniform, the tempering effect of the glass blank is improved, airflow circularly flows among the first shell, the medium channel and the second shell ceaselessly, and therefore the tempering effect of the glass blank is improved. The heat loss is reduced, and the temperature rising speed is obviously increased.

The utility model discloses a forming die for glassware production, which comprises a working plate, the lower side of the working plate is fixedly connected with a support plate, the middle part of the upper side of the working plate is provided with a rectangular hole, the upper side of the working plate is fixedly connected with a fixing frame, the upper side of the fixing frame is fixedly connected with a hydraulic cylinder, and the hydraulic cylinder is fixedly connected with the working plate. A hydraulic cylinder is fixedly connected to the lower side of the working plate, a lifting plate is fixedly connected to the output end of the hydraulic cylinder, an upper die is fixedly connected to the lower side of the lifting plate, a switching unit is arranged on the lower side of the working plate and comprises bottom plates, the bottom plates are fixedly connected to the lower sides of the left end and the right end of the working plate, and lifting grooves are formed in the outer sides of the bottom plates on the left side and the right side. By arranging the bottom plate, the lifting groove, the control plate, the rotating rod, the rotating roller, the gear, the second motor, the lower die block and the forming grooves, the forming grooves with different diameters can be conveniently and rapidly switched, glassware with different wall thicknesses can be conveniently machined by the upper die, the applicability of the die is improved, and the occupied space is reduced.

The invention belongs to the technical field of glass materials, and particularly relates to black high-hardness heat-resistant microcrystalline glass ware and a preparation method thereof. Silicon dioxide, sodium oxide, aluminum oxide, potassium oxide, boric oxide, magnesium oxide, calcium oxide, zinc oxide, sodium fluosilicate, iron oxide, manganese oxide, fluorite, lithium oxide, metal manganese coated with silicon dioxide and schorlite are used as raw materials, and the black high-hardness heat-resistant microcrystalline glass ware is prepared through the processes of high-temperature melting and mixing, compression molding, annealing and tempering. The black high-hardness heat-resistant microcrystalline glass ware is excellent in performance, high in hardness and good in heat resistance, and has potential market value.

The utility model provides a glassware cleaning and film removing device, which belongs to the technical field of glassware film removing devices and comprises a base plate, a mounting plate, a fixing column and a mounting frame, the mounting plate, the fixing column and the mounting frame are arranged on the base plate, the base plate and the mounting plate are fixed through a supporting column, a motor is mounted on the outer wall of the bottom end of the base plate, and a water tank is mounted above the base plate. According to the cleaning device, the outer brush plate and the inner brush plate are matched with the springs to fix utensils with different diameters, meanwhile, the inner brush plate and the outer brush plate are arranged to rapidly clean the inner sides and the outer sides of the utensils at the same time, cleaning liquid is matched to clean the inner walls and the outer walls of the utensils, the inner sides and the outer sides of the utensils can be rapidly cleaned and subjected to film removal, and the cleaning efficiency is improved; and an upper brush plate arranged in the fixing sleeve independently rotates under the cooperation of a plurality of gears and an inner gear ring sleeve, and meanwhile, part of cleaning liquid enters the fixing sleeve through a notch, so that the inner wall, close to the interior of the fixing sleeve, of the vessel is cleaned, cleaning blind areas are avoided, and the cleaning effect is further improved.

The utility model belongs to the technical field of glassware production equipment, and provides a full-automatic goblet welding machine which comprises a machine frame and a welding mechanism installed on the machine frame, the machine frame comprises a base, a lower rotating disc and an upper rotating disc which are sequentially arranged from bottom to top, and the lower rotating disc and the upper rotating disc are rotationally connected with the base. A turntable power piece for driving the lower turntable and the upper turntable to synchronously and intermittently rotate is arranged on the base; the welding mechanism comprises a plurality of lower supporting seats, a plurality of upper clamping seats, a plurality of fire guns and a lower gap bridge plate, the lower supporting seats are rotatably arranged on the lower rotary disc at intervals in the circumferential direction of the lower rotary disc, the upper clamping seats are rotatably arranged on the upper rotary disc at intervals in the circumferential direction of the upper rotary disc, the lower supporting seats correspond to the upper clamping seats one to one, and the lower gap bridge plate is arranged at the bottom of the lower rotary disc. The lower gap bridge plate is arc-shaped, the top structure of the lower gap bridge plate is that the middle is high and the two ends are low, and the fire guns are arranged on the side face of the lower rotary disc at intervals in the circumferential direction of the lower rotary disc and located above the lower gap bridge plate. The structure is simple and loss is low.

The invention relates to the technical field of glassware production, discloses a size detection device for glassware production, and solves the problems of tedious operation, long time consumption and low efficiency of an existing size detection device for glassware production which sequentially measures the inner and outer diameters of a bottle opening through a vernier caliper. The glass bottle height measuring device comprises the workbench, the air cylinder arranged in the rack, the laser measurer arranged at one end of the air cylinder and the feeding and discharging mechanical arm arranged on one side of the workbench, a fixing plate and the laser measurer are driven by the air cylinder, the laser measurer and a glass bottle can be accurately positioned, and the height size of the glass bottle can be conveniently measured; in the downward pressing process of the fixing shell, through the inner measuring structure and the outer measuring structure, measurement of the inner diameter and the outer diameter of the bottle opening can be completed in the same action by means of spring force storage, mechanical transmission and a capacitance displacement sensor, measurement of the inner diameter and the outer diameter is matched, the size of the bottle opening can be comprehensively detected, and detailed and accurate data are provided for glass bottle quality control. The whole process is efficient and stable.

The present invention relates to the technical field of glassware annealing, and in particular to an annealing device for glassware production, comprising a conveyor frame, a hollow conveyor belt is provided inside the upper end of the conveyor frame, the inner wall of the hollow conveyor belt is a symmetrical structure with two conveyor rollers for friction transmission, a stepper motor is installed on the outer wall of the conveyor frame through a mounting seat, the output shaft of the stepper motor is coaxially connected to one of the conveyor rollers, and two gantry frames are fixedly connected on the conveyor frame in a symmetrical structure, an annealing assembly is provided inside the gantry frame, both sides of the top surface of the conveyor frame, and both ends of the conveyor frame, and a shunt block is provided on the annealing assembly, a vortex tube is installed on the shunt block, and the cold air outlet end of the vortex tube is connected to the inside of the shunt block. The height of the annealing assembly is adjusted according to actual needs to adapt to glassware of different specifications or batches, thereby improving the accuracy of annealing and ensuring that each glassware can be properly annealed, thereby improving the quality and stability of the product.

The utility model discloses a glassware cleaning and spraying mechanism, and belongs to the technical field of glassware cleaning equipment. The spraying mechanism comprises a machine body, a supporting frame arranged in the machine body and a spraying mechanism body, the spraying mechanism body is connected with a water inlet pipe extending into the machine body, and the spraying mechanism body comprises a supporting rod and a water outlet pipe, and the top end of the supporting rod is arranged on the inner side wall of the machine body; the mounting frame is arranged at the bottom end of the supporting rod; one end of the water spraying pipe is connected with the water inlet pipe; the two ends of the adjusting plate are rotationally connected with the mounting frame, so that the adjusting plate can rotate relative to the mounting frame; the spray head is arranged on the adjusting plate; the installation frame is arranged on the side face of the supporting frame and does not make contact with the supporting frame. The adjusting plate can be adjusted in an inclined mode so that the water outlet direction of the spray head can face the opening of the glassware on the supporting rod arranged on the supporting frame. The spraying mechanism comprises the adjusting plate and the spray head, and the inclination degree of the adjusting plate can be adjusted before use, so that water sprayed by the spray head can enter the opening of the glassware to wash the interior of the glassware, and it is guaranteed that the glassware is cleaned thoroughly.

The utility model discloses a COD (Chemical Oxygen Demand) digestion device, relates to the technical field of water quality detection instruments, and solves the problems that when the existing COD digestion device is not used, a conical flask and a return pipe are usually directly placed on the COD digestion device, no protective device is arranged outside the conical flask and the return pipe, and external dust directly falls on the device when the conical flask and the return pipe are placed for a long time, so that the subsequent use is influenced. According to the technical scheme, the problems that a conical flask, a backflow pipe and other glassware are damaged due to the fact that the conical flask and the backflow pipe are easily touched by mistake, and using is inconvenient are solved, the device comprises a groove body, two L-shaped supports and a main machine body, the two symmetrical L-shaped supports are fixedly installed on the upper surface of the rear side of the groove body, and the bottom of the main machine body is fixedly connected with the top planes of the L-shaped supports. According to the utility model, through the matching design of the two L-shaped protective plates and the back plate, the conical flask and the return pipe in the COD digester are sealed and shielded, so that external dust is not easy to directly fall on the conical flask and the return pipe, and the follow-up use is facilitated.

The utility model relates to a cleaning device for glassware for haematococcus pluvialis culture, which belongs to the technical field of glassware cleaning and comprises a cleaning water pipe component, a bottle support, a fixing plate, a cleaning support, a moving trolley and a cleaning box. The cleaning water pipe assembly comprises a main water pipe, a branch water pipe and a flushing water pipe; the flushing water pipe is vertically and upwards fixed on the branch water pipe; and the bottle support is fixed on the flushing water pipe. The cleaning water pipe assembly is fixed to the cleaning support, the cleaning support can be placed on the moving trolley and can be placed in the cleaning box, during cleaning, the bottle openings of the glassware are downwards clamped and fixed to the bottle supports, the glassware placed on the cleaning support can be cleaned at the same time, and the glassware can be moved through the transfer trolley after cleaning is completed; according to the glass ware cleaning and transferring device, a plurality of glass ware can be cleaned at the same time, meanwhile, a plurality of large-capacity glass ware can be moved at the same time, the cleaning and transferring efficiency of the glass ware is improved, and the labor intensity of workers is reduced.

The utility model relates to a composite glassware. The composite glassware comprises a glass container body for storing liquid, the bottom of the glass container body is opened and is provided with a heat-conducting gasket for sealing the opening, the glass container body and the heat-conducting gasket are sintered and fused into a whole, and heat energy is transferred to an inner cavity of the glass container body through the heat-conducting gasket. Glass heat conduction at the bottom of the composite glassware is replaced by the heat conduction gasket, and the heat conduction gasket is preferably made of a material with good heat conduction performance, so that the heating efficiency of the glassware is effectively improved, and the problem of low heating efficiency of the existing pure glassware is solved; besides, the heat-conducting gasket easy to shape is sintered and fused at the bottom of the glass container body, so that the flatness of the bottom of the composite glassware can be effectively ensured, the heat conductivity and the heat uniformity of the composite glassware are further ensured, and the internal liquid is uniformly heated; in addition, by arranging the heat-conducting gasket, the common glass part on the composite glassware can be prevented from being in direct contact with the table top, and the composite glassware is prevented from being damaged easily.

The utility model discloses a vacuum compressor for glassware processing, which comprises a vacuum compressor cabinet, a lower hydraulic rod is telescopically connected to the lower part in one end of the vacuum compressor cabinet, and a lower pressing assembly is fixedly connected to the upper part of the lower hydraulic rod; according to the utility model, a very good vacuumizing sealing effect can be achieved when the vacuum sealing element is attached to the lower pressing assembly, and the structure can be quickly and conveniently disassembled and replaced, and different molds are respectively mounted on the plurality of groups of lower mold mounting seats when the lower molds are mounted; when the lower die needs to be used, a needed lower die mounting base is placed in a mounting base caulking groove, at the moment, the two sets of mounting locking bolts keep the locking protruding blocks to be transversely inserted from locking bolt inserting holes in the two ends till the locking protruding blocks are inserted into annular locking grooves, and at the moment, a locking inserting rod is rotated by holding a rotating handle; and the lower platform and the lower mold mounting seat can be quickly locked and pressed by rotating the locking convex block in the annular locking groove, so that the lower mold can be quickly and conveniently disassembled and assembled for use.

The present invention provides a closure system for a medicament container such as a glass vessel or the like, the closure system comprising a conventional primary closure adapted for releasably sealing the medicament container, along with a conventional secondary closure member and integrated dropper adapted for releasably sealing the medicament container, with an adapter arranged to releasably secure the secondary closure member to the primary closure member when the primary closure member is in sealing engagement with the container.

The utility model discloses a multifunctional ice and hot water bath magnetic stirring device, and belongs to the technical field of experimental equipment. A multifunctional ice and hot water bath magnetic stirring device comprises a magnetic stirrer provided with a rotating speed switch adjusting knob and a heating switch adjusting knob. The liquid containing part is arranged on the magnetic stirrer; the temperature sensor is connected to the magnetic stirrer through a first supporting piece; the clamp is connected to the magnetic stirrer through a second supporting piece; according to the utility model, the magnetic stirrer, the temperature sensor, the refrigeration cabinet and the water bath box B are matched for use, so that the device can be used for heating and stirring or cooling and stirring a sample solution in a glassware more safely, and great convenience is brought to the operation of experimenters; moreover, the stirring speed of the sample and the temperature of the water bath can be more accurately controlled, so that the stirring effect of the device on the sample is improved.

The utility model discloses an edge grinding forming device for glass production, and belongs to the field of glass edge grinding. According to the technical scheme, the edging forming device for glass production comprises a supporting frame, a conveying track, an upper fixing supporting frame and a glass forming component, the conveying track is transversely connected to the center of the supporting frame, the upper fixing supporting frame is arranged on the rear side of the conveying track in a matched mode, and the glass forming component is arranged on the upper fixing supporting frame. And a glass forming part is arranged in the center of the conveying track. According to the device, the structure of existing glassware forming and edge grinding equipment is optimized, and the automatic feeding and conveying component is arranged, so that the glass ware edge grinding batch processing work efficiency is improved; and meanwhile, the chamfering front angle grinding head part and the flat angle grinding head part are arranged in the device, so that the angular position of the glassware part can be subjected to edge grinding treatment, the adaptability of the device in the using process is effectively improved, and the manual labor production cost is reduced.

This invention discloses a multifunctional glassware inspection table, relating to the field of glassware inspection device application technology. The proposed solution includes a base and a support plate fixedly connected to the top of the base, and further includes a height adjustment mechanism. This mechanism is used to adjust the height of the glassware being inspected according to its height, and to inspect the circumference at different height positions. The height adjustment mechanism includes a fixed plate fixedly connected to one side of the support plate and a first threaded rod rotatably connected to the fixed plate. This invention can not only inspect the internal diameter of glassware of different heights through the height adjustment of the connecting plate, but also inspect the verticality of the glassware. Furthermore, by moving and flipping the extension plate, the internal dimensions of the glassware being inspected can be adjusted, thereby effectively improving the inspection effect and efficiency of the internal diameter of the glassware.

The utility model relates to the field of glassware processing, in particular to glassware dull polish equipment. At present, most of glassware grinding equipment is used for grinding glassware by holding the glassware by hands of a worker and aligning the bottleneck of the glassware with the grinding equipment, so that the angles of aligning the bottleneck of the glassware with the grinding equipment are different, and the quality of the produced glassware is different. Glassware dull polish equipment comprises a base and the like. A driving motor is fixedly connected to the base, a rotating ring is rotatably connected to the base, and a rotating shaft is rotatably connected to the base. According to the glassware clamping device, the glassware can be stably clamped, so that the angle of aligning a bottle opening of the glassware to the grinding equipment each time is kept consistent, the quality of the subsequently produced glassware is better, and meanwhile, the production efficiency of the glassware can also be improved.

The utility model relates to the technical field of laboratory analysis glassware, and discloses a dissolved oxygen bottle which comprises a bottle body, a bottle opening and a bottle plug used for sealing the bottle opening, a water sealing opening communicated with the bottle opening is arranged above the bottle opening, a water sealing belt is formed between the upper portion of the bottle plug and the water sealing opening, and a bottle cap arranged with the water sealing opening in a sealing mode is arranged outside the water sealing opening. The upper end of the bottle plug and the inner wall of the bottle cap are connected into a whole, a rubber sleeve is arranged outside the bottle cap, the rubber sleeve is connected with a lantern ring through a connecting belt, the lantern ring can be sleeved outside a bottle neck of the bottle body, and a water outlet is formed in the top of the bottle cap. The bottle plug and the bottle cap are combined into a whole, the bottle cap is wrapped by the rubber sleeve for protection, the bottle cap is prevented from being broken due to vibration and collision, the rubber sleeve is connected with the lantern ring on the bottle body through the connecting belt, the bottle plug, the bottle cap and the bottle body are guaranteed to be complete, and the problems that the bottle cap is lost and the bottle plug and the bottle cap are easy to use together are solved.

The invention relates to the technical field of glassware preparation, and particularly discloses a glass mold punch and a forming method thereof.The glass mold punch comprises two symmetrically-arranged half modules and a connecting assembly used for connecting the two half modules to form a punch body, and a through cooling cavity is formed in the punch body; the inner side of one half module is provided with an insert, the insert is provided with an air inlet and an air outlet, the air inlet and the air outlet are both communicated with the cooling cavity, a cooling forming head is formed at the end part of the half module, the outer surface of the cooling forming head is provided with an arc-shaped corner, and the arc-shaped corner is provided with an air inlet and an air outlet. And an exhaust passage extending along the arc-shaped corner is formed in the half module, and the exhaust passage is communicated to the cooling forming head. The square preservation box has the advantages that the four corners of the square preservation box can rapidly dissipate heat, so that the heat dissipation uniformity of the square preservation box is guaranteed, and the forming quality of the square preservation box is improved.