27results about How to "Guarantee casting quality" patented technology

The utility model relates to the technical field of hub casting molds, and discloses a split type top mold structure which comprises a top mold body, the top mold body is divided corresponding to a rim part of a hub casting to form a split type structure comprising an upper mold and a lower mold, and isolation tables used for supporting the upper mold are arranged on the upper end face of the lower mold at intervals in the circumferential direction. And an exhaust gap for exhausting is formed between the upper die and the lower die. The top die is arranged in a split mode, the upper die and the lower die can be machined and manufactured independently, manufacturing of cooling structures such as an air pipe and a water way is facilitated, and the manufacturing cost of the hub die is reduced; the arrangement of the exhaust seam is beneficial to smooth exhaust of air at the rim part, and the defects of air holes, insufficient casting, flow marks and the like at the rim part of the hub casting are avoided; the positioning structure improves the assembly precision of the top die, ensures the casting quality, ensures the accurate alignment of a bolt hole and a threaded hole, and improves the assembly efficiency; and due to the arrangement of the negative pressure cavity, the exhaust efficiency is improved, and gas in the cavity is exhausted more thoroughly.

The utility model relates to the technical field of metering pump manufacturing, in particular to a pneumatic metering pump which comprises a pump body, a liquid inlet, a liquid outlet and an air vent are arranged on the pump body, and a liquid storage cavity is further arranged in the pump body. When liquid feeding operation is executed, air is pumped through the air vent, and external liquid materials are sucked into the liquid storage cavity from the liquid inlet; when liquid discharging operation is executed, air is fed through the air vent to press out liquid in the liquid storage cavity from the liquid outlet; the device further comprises a first liquid level detector, the first liquid level detector is arranged at the inner side end of the liquid outlet, and when the liquid outlet operation is executed, the first liquid level detector is used for judging whether the liquid starts to be discharged or not. And the metering precision of the liquid material output quantity can be improved.

The invention discloses a digital temperature control system for a large-size thin-wall aluminum alloy casting low-pressure die. The digital temperature control system comprises a temperature monitor, a heating device, a cooling device and a control device. A cavity sprue is used as a sphere center, a plurality of spherical surfaces are determined from the sphere center to the outside, the area between the sphere center and the sphere surface closest to the sphere center and the area between every two adjacent spherical surfaces are monitoring areas, and the temperature monitors are arranged in the monitoring areas; the heating device is used for heating each monitoring area, and the cooling device is used for cooling each monitoring area; and the control device controls the heating device to heat or controls the cooling device to cool according to the mold temperature detected by the temperature monitor, so that the temperatures of the at least two monitoring areas are different. When the temperature control system is used for producing large-size thin-wall aluminum alloy castings, the heating device and the cooling device can be automatically controlled to adjust the temperature of the mold, so that the temperature of the mold is normal process temperature, and the quality of the castings is effectively ensured.

The utility model relates to the technical field of stirring degassing, specifically relates to a molten aluminum stirring degassing device, including base, the top of base is installed with furnace body, one end of furnace body outer wall is installed with connecting rod, one end of connecting rod is installed with adjusting cylinder, the inboard rotation of adjusting cylinder is connected with screw rod, the outside screw thread of screw rod is connected with adjusting plate, adjusting plate and adjusting cylinder are for sliding connection, the top of adjusting cylinder is installed with first motor, the drive end of first motor extends to the inboard of adjusting cylinder and is fixedly connected with one end of screw rod, the furnace body and adjusting plate are installed with multidirectional agitating mechanism, multidirectional agitating mechanism includes linkage assembly, slip agitating assembly and bidirectional agitating assembly, the utility model discloses simple structure, convenient operation can carry out multidirectional agitating to the molten aluminum in the furnace body when degassing, makes it be stirred more evenly, further guarantees the degassing effect and the casting quality of subsequent.

The utility model relates to the technical field of casting, in particular to a pouring device of a precision casting stainless steel flow meter tube, which comprises a placing plate, a sand mold is placed on the placing plate, a pouring port is arranged on the sand mold, a vertical rod is fixedly connected onto the placing plate, a connecting seat is fixedly connected onto the vertical rod, and the connecting seat is fixedly connected with the sand mold. A first connecting shaft is fixedly connected to the connecting seat, a first connecting rod is rotatably connected to the first connecting shaft, a second connecting shaft is rotatably connected to the first connecting rod, a second connecting rod is fixedly connected to the second connecting shaft, and a funnel is fixedly connected to one end of the second connecting rod; a fixing structure is arranged on the first connecting rod; by means of the structure, molten metal can be guided to the sprue gate in a centralized mode, the molten metal can flow into a sand mold cavity more smoothly and accurately, waste of the molten metal is avoided, meanwhile, scouring and damage to a sand mold can be reduced, and therefore the success rate of pouring is effectively increased.

The utility model discloses a casting mold for constructional engineering, and relates to the technical field of building construction. The concrete block forming device comprises a bottom plate, a casting base used for concrete block forming is arranged above the bottom plate, a movable plate is hinged to the right side face of the casting base, a shaking control assembly used for controlling transverse shaking of the casting base is arranged in the middle of the top face of the bottom plate, and a transverse movement control assembly is arranged on the front face of the casting base. An exhaust assembly is arranged on the surface of the transverse movement control assembly, a cleaning assembly used for cleaning the inner wall of the casting base is arranged on the top face of the bottom plate, the shaking control assembly comprises a first motor, the first motor is fixedly installed on the top face of the bottom plate, and the output end of the first motor is fixedly connected with a first rotating shaft. And during use, the effect of automatically and effectively exhausting gas in concrete is achieved, cavities are prevented from being formed in the concrete, and therefore the casting quality of concrete blocks is guaranteed.

The utility model belongs to the technical field of grid production, and particularly relates to a fixed die mounting structure used in continuous casting of grids, the mounting structure is arranged on a workbench, a rotary die is further arranged on the workbench, the rotary die and a fixed die are arranged in parallel and matched, a forming channel is formed between the rotary die and the fixed die, and the fixed die is arranged in the forming channel. The fixed mold sprays out lead liquid and forms a grid with the help of a forming channel, the mounting structure comprises a fixing groove and an ejection mechanism, the fixing groove is formed in the surface of the workbench and matched with a base of the fixed mold, the fixed mold is matched with the rotary mold in an attached mode with the help of the ejection mechanism, and the ejection mechanism comprises a pressing plate and a fixing device. The pressing plate is fixed to the workbench through a fixing device. According to the utility model, the ejection mechanism is additionally arranged, and the fixed mold is pressed through the pressing plate, so that the fixed mold and the rotary mold are tightly attached and matched, and the casting quality of a grid finished product is ensured.

The present application relates to high-purity pig iron manufacturing technology field, especially to a kind of high-purity pig iron casting system and its flow control method, it includes iron runner, hydraulic mechanism, pouring pipeline and conveying mechanism, the hydraulic mechanism is cascaded hydraulic mechanism, the iron runner is connected with the upper end of pouring pipeline by flow guide pipeline, the middle section of pouring pipeline is provided with balance valve, angle sensor is installed on the balance valve, the conveying mechanism is provided with several casting molds, the bottom end of pouring pipeline is guided to any one casting mold.The present application is realized to the flow rate automatic control of molten iron by the cooperation of hydraulic mechanism and balance valve set on pouring pipeline, simple and efficient;In the casting process of high-purity pig iron, both can guarantee the product casting quality of high-purity pig iron, and can guarantee the efficient high-purity pig iron casting operation efficiency;Not only can reduce the investment and maintenance of scale monitoring equipment, but also can reduce the input of manpower, realize the purpose of cost reduction and efficiency increase.

The invention discloses a demolding mechanism for centrifugal casting. The demolding mechanism is characterized in that a lower mold comprises an outer mold part and an inner mold part which are arranged in a split mode; the inner die part comprises a lower die mounting base plate and an inner die mounted on the lower die mounting base plate; the demolding mechanism is used for automatically demolding between the iron core and the inner mold when the lower mold and the lower mold fixing seat are reset, and comprises a floating transition plate arranged between the outer mold part and the inner mold part in a floating manner; the other ends of the ejector rods penetrate through the inner die part and the lower die fixing seat; and the bosses are arranged at one ends of the ejector rods. The lower mold is arranged in a split mode and is divided into the outer mold part and the inner mold part, so that outer mold demolding and inner mold demolding are achieved during demolding, secondary demolding is formed between the iron core and the lower mold, driving force needed during demolding is reduced, meanwhile, the phenomenon that the iron core is galled due to powerful demolding is avoided, and the demolding quality is improved. The problem of inconvenient demolding is solved, and meanwhile the iron core casting quality is ensured.

The invention provides a high-chromium guide disc of a steel tube rolling mill, a casting mold system and a preparation method. The high-chromium guide disc is prepared by adopting a multi-element composite reinforcing material and a new casting mold system and adopting a reasonable preparation process and a heat treatment method; a vertical pouring gate is arranged on a casting system of the guide disc and connected with molten steel pouring gates and dead heads of a plurality of uniformly distributed horizontal pouring gates, and a system platform supported by a platform bracket is arranged below the casting system; in the preparation process, graphite particles are added into molding sand to improve the uniform cooling capacity of a sand box; graphite is promoted to be converted from a flake shape to a spherical shape through a spheroidizing process, a fine and uniformly-distributed high-chromium casting is obtained, and the plasticity and toughness of the casting are improved; the comprehensive performance such as strength, hardness and wear resistance of the guide disc is greatly enhanced, the problem that steel bonding is prone to occurring in the rolling process of an existing alloy nodular cast iron guide disc is solved, the use performance of the guide disc is greatly improved, the service life of the guide disc is greatly prolonged, meanwhile, materials of products are saved, and manufacturing and production cost is reduced.

The utility model relates to the field of casting equipment, in particular to a rapid casting cooling device which comprises a steel belt conveyor, a heat exchange assembly, a spraying assembly and an air blowing assembly, the steel belt conveyor is provided with an annular steel belt, the heat exchange assembly is provided with a heat conducting plate with a snakelike heat exchange pipe, and the heat conducting plate is attached to the back face of the middle of the upper half steel belt of the steel belt conveyor. The air blowing assembly is provided with an air blowing box, the spraying assembly is provided with a spraying water box with a water spraying nozzle, the spraying assembly and the air blowing assembly are sequentially arranged, and the spraying water box and the air blowing box are both suspended above the steel belt conveyor. According to the casting cooling device, the spraying assembly is used for spraying water from the position above the steel belt conveyor, and the heat conduction plate attached to the back face of the steel belt is used for vertically cooling castings on the steel belt, so that the castings are integrally cooled in the continuous conveying process; and the air blowing assembly is used for rapidly blowing away residual water liquid and water vapor in the sprayed casting, the casting is further cooled, and therefore the casting cooling efficiency can be improved, and the casting quality can be guaranteed.

The utility model relates to a hub low-pressure die side die temperature raising and exhausting structure which comprises four side dies which are spliced into a ring in a surrounding mode, and the splicing face between each side die and the adjacent side die is a 45-degree inclined face. Grooves are formed in the ends, close to the outer sides of the side dies, of the inclined faces, a plurality of exhaust lines distributed up and down are arranged at the ends, close to the inner sides of the side dies, of the inclined faces, the grooves in the two contacted inclined faces are oppositely arranged, and the exhaust lines are communicated with the grooves in the same inclined face. According to the utility model, through simple processing on original mold accessories, the effects of weight reduction, temperature raising and exhaust of the mold are achieved, and the mold is simpler and more practical.

The invention discloses a casting process design method for reducing the sand-iron ratio of sand mold casting. The casting process design method comprises the following steps that S1, the shrinkage rate, the machining allowance and the correction amount of a casting are designed; s2, a pouring position is planned; s3, designing a riser feeding system; s4, designing a pouring system; s5, the sand thickness is designed; s6, designing a 3D sand mold; s7, format conversion; s8, a sand mold is printed; s9, sand mold post-treatment and casting operation; s10, mold closing and casting; and S11, sand cleaning and cutting are conducted. The process design method has the advantages that the whole casting production process has high repeatability and controllability on the basis of accurate parameter design and a digital 3D modeling and printing technology, compared with a traditional process, various parameters and operation steps in the production process are more standard and standardized, quality monitoring is facilitated, and the production efficiency is improved. And the product quality stability is effectively improved.

The utility model relates to transmission case cylinder body lost foam casting technical field discloses an automobile transmission case cylinder body lost foam casting, including lower casting shell, both ends of lower casting shell left end are all rotationally connected with adapter plate no.

The application discloses a diffuser casting die and a working method thereof. The outer ring positioning block is coaxially arranged at the periphery of the inner ring positioning block. The outer ring positioning block comprises a plurality of outer ring positioning sub-blocks. The inner ring positioning block comprises a plurality of first and second inner ring positioning blocks. The first and second inner ring positioning blocks are arranged alternately. The positioning ring driving mechanism comprises first, second and third positioning ring driving mechanisms. The first positioning ring driving mechanism is connected with all the first inner ring positioning blocks. The second positioning ring driving mechanism is connected with all the second inner ring positioning blocks. The third positioning ring driving mechanism is connected with all the outer ring positioning sub-blocks and can drive all the outer ring positioning sub-blocks to move synchronously along the radial direction of the inner ring positioning block. The pouring gate is arranged on the outer ring positioning sub-block. The application can realize the integral casting of the diffuser, and improve the casting quality and production efficiency of the diffuser.

The utility model belongs to lathe base casting processing technical field, concretely is a kind of casting mould for lathe base machining, including symmetrically arranged lower mould and upper mould, the outside of lower mould and the outside of upper mould are all fixedly connected with frame, the inside of lower mould and the inside of upper mould are all fixedly connected with sand box, and the inside of lower mould and the inside of upper mould are all set with cooling tank in spiral shape, and cooling tank is located sand box outside, and one end of frame is fixedly connected with liquid inlet pipe on top surface, the application is evenly flowed into mould inside by setting uniform flow subassembly from different direction synchronously, reduce the problem that mould is unevenly heated, to ensure the service life of mould and casting quality, set sealing assembly, can guarantee the normal transportation of cooling liquid, can also automatically seal processing to cooling pipe groove in idle state, reduce the problem of external dust penetration pollution, further prolong the service life of mould.

The utility model provides an evanescent mode large flat plate type casting anti-deformation tool and a sand box for a casting mold, and the evanescent mode large flat plate type casting anti-deformation tool is arranged in the sand box and comprises two supporting pipes and a plurality of connecting pipes; the two supporting pipes are arranged in the sand box in parallel, and the supporting pipes are vertically arranged; the multiple connecting pipes are arranged at intervals in the vertical direction, the two ends of each connecting pipe are attached to and fixedly connected with the peripheral faces of the two supporting pipes respectively, the pipe body positioning faces of the multiple connecting pipes abut against the same side of a mold, and the multiple connecting pipes are matched to form a main body positioning face. According to the anti-deformation tool for the evanescent mode large flat plate type casting, the supporting pipes are arranged in the sand box, the connecting pipes are installed on the same side faces of the two supporting pipes, the multiple connecting pipes jointly form a main body positioning face, the main body positioning face is matched with filled dry sand to horizontally position a casting mold, and the casting quality of a cast iron flat plate is guaranteed.

The present invention relates to the technical field of non-ferrous metal casting, and in particular to an environmentally friendly demoulding agent for aluminum ingot casting and a preparation method thereof. The demoulding agent comprises 45-75 parts of trimethylolpropane stearate, 15-45 parts of synthetic saturated hydrocarbon polymers, 1.5-5 parts of antioxidants, 0.05-5 parts of anti-wear agents, and 0.02-0.2 parts of non-ferrous metal corrosion inhibitors, in parts by weight. The weight ratio of the trimethylolpropane stearate to the synthetic saturated hydrocarbon polymer is (1-5): 1. The demoulding agent of the present invention has excellent wetting, spreading, and permeability, excellent anti-wear performance, high ignition point, low oil smoke, low coking tendency, and excellent hydrolysis resistance, and can greatly reduce the influence of cooling water on demoulding quality, and can also effectively control the pollution of cooling water, and the demoulding agent also has a high biodegradability, can ensure the surface quality of the ingot, improve casting efficiency, and reduce pollution.

The invention discloses technological equipment for fixing a cantilever sand core, which comprises lower molding sand and upper molding sand, a cavity is formed between the lower molding sand and the upper molding sand, the cantilever sand core is clamped between the lower molding sand and the upper molding sand, one end of the cantilever sand core is provided with a clamping column, the lower molding sand is provided with a first semi-circular groove, and the first semi-circular groove is provided with a second semi-circular groove. A second semi-circular groove is formed in the upper molding sand, the first semi-circular groove and the second semi-circular groove communicate with the molding cavity, and the clamping column is clamped in the first semi-circular groove and the second semi-circular groove; a locking seat is pre-embedded in the clamping column, the inner side wall of the lower molding sand is in threaded connection with a lock catch mechanism, and the output end of the lock catch mechanism penetrates through the lower molding sand and extends outwards. The technological equipment has the advantages that the technological equipment is suitable for various casting technologies needing to fix the cantilever sand core, the fixed cantilever sand core is firm and reliable, installation is convenient and fast, positioning is accurate, the structural stability is high, the production requirements of different castings can be met, and the casting quality can be ensured.

The utility model relates to a segmented anchor grouting device for a hot cast anchor inhaul cable, and belongs to the technical field of bridge inhaul cables. Comprising a casting anchorage device, the casting anchorage device comprises a mold body and a side casting body, and an inner cavity of the mold body is divided into a first casting cavity and a second casting cavity which are arranged up and down; a communicating opening is formed in the side face of the small end of the mold body and connected with a side pouring body, and a side pouring gate is formed in the top of the side pouring body; an inner cavity of the side pouring body serves as a side pouring channel, the side pouring gate and the side pouring channel are communicated with the first casting cavity, and a leaking stoppage piece is arranged at the small end of the mold body. The casting anchorage device comprises two casting parting parts which are symmetrically arranged, and positioning holes and connecting holes are formed in the casting parting parts respectively. Positioning pins are inserted into the positioning holes; bolts are arranged in the connecting holes in a penetrating mode. The problem of insufficient casting caused by a long alloy liquid flowing path is avoided, and the long-term creep resistance and fatigue resistance of the anchoring casting body are improved.

The invention relates to the technical field of sand core casting equipment, and discloses a precoated sand core shooter for casting of wind power castings, which comprises a rack, a mold frame is rotatably arranged at the top of the rack, two mold bases are arranged on the inner side of the mold frame, a core mold is fixedly connected to one side of each mold base, a sand shooting opening is formed in the top of each core mold, and a sand outlet is formed in the top of each sand shooting opening. A sand shooting head is arranged at the top of the rack, and a fixing disc is arranged between the two mold bases. By changing the relative position of the adjusting gear and the adjusting toothed plate, after sand shooting operation is completed, the rotating piece is rotated again until the sand shooting opening is closed, then the mold frame is turned over, the subsequent sand core hardening process is conducted, meanwhile, the mold frame swings in a reciprocating mode, precoated sand of redundant shot sand located on the top face of a core box is separated through gravity, and the sand core hardening process is completed. The cleaning effect is improved, the residual precoated sand is prevented from influencing the sealing effect when the sand shooting head is attached to the core box, and the intelligent casting quality of the sand core is improved.

The invention discloses an automatic anode carbon block casting method using a robot in combination with vision, which belongs to the technical field of carbon block casting and comprises the following steps of: automatically receiving molten iron: driving a heat preservation steel ladle to move to a proper position through an RGV rail car, and automatically receiving the molten iron; the liquid level of the heat preservation steel ladle is detected, specifically, the liquid level of molten iron in the heat preservation steel ladle is monitored in real time through a first visual detection module; pouring molten iron: pouring the molten iron by matching a mechanical arm with a casting bowl; anode guide rod detection and visual detection: carrying out real-time monitoring on the casting condition of the guide rod and the carbon block through a visual detection module II, and detecting the cast carbon block through a visual detection module III; and completing irrigation. According to the automatic anode carbon block casting method using the robot in combination with vision, casting can be automatically carried out, meanwhile, the casting amount can be accurately controlled, and meanwhile in the casting process, the casting process can be monitored in real time.

The utility model relates to the technical field of steel wire rope pear-shaped connector casting, in particular to a steel wire rope pear-shaped connector casting mounting frame. The embodiment of the utility model provides a steel wire rope pear-shaped connector casting mounting frame. The steel wire rope pear-shaped connector casting mounting frame comprises a mounting support and a hanging support. The installation support is provided with an installation cavity, the pear-shaped connector can be clamped in the installation cavity, an opening is formed in one side of the installation cavity, and the pear-shaped connector can enter or leave the installation cavity through the opening. The hanging support comprises a hook, a hanging rod and two vertical rods, and the two vertical rods are oppositely arranged on the side, away from the opening, of the top of the mounting support so as not to affect mounting and dismounting of the pear-shaped connector. The hanging rod is arranged on the upper portions of the two vertical rods, the hook is arranged on the hanging rod, the hook is used for hanging a casting container, and the hook right faces the installation cavity. According to the steel wire rope pear-shaped connector casting mounting frame, casting operation of a pear-shaped connector can be completed only by one person.

The invention relates to the technical field of casting devices, and discloses a zinc ingot quantitative casting device and a method for using the same. The zinc ingot quantitative casting device comprises a base and a mounting plate arranged on one side thereof, a storage barrel is arranged above the base, the storage barrel is connected to the top of the base through a mounting frame, a casting barrel rotatably connected to the base is arranged below the storage barrel, and the casting barrel is communicated with the storage barrel through a connecting hose, a flip component for driving the casting barrel to rotate is arranged at the top of the base, and a quantitative component is arranged inside the casting barrel; the quantitative component at the top of the casting barrel can adjust the space inside the casting barrel, so that the zinc liquid cast each time is the same and the casting amount can be adjusted according to actual conditions, thereby ensuring the casting quality of the zinc ingot, and the quantitative casting is controlled by the quantitative component, and compared with the traditional pressure sensor or liquid level sensor for detecting the injection amount of the zinc liquid, the structure is more stable, not easy to be damaged, and the problem of low detection accuracy can be solved.

The invention provides a gearbox shell and a machining process. The gearbox shell comprises a main body part, a shell body and an arc-shaped piece. According to the gearbox shell and the machining process provided by the invention, the main body part and the shell body are respectively used for machining the joint surfaces, and the inner machining hole in the main body part is machined in place when the main body part is independently machined, so that the machining efficiency and the machining precision of inner machining can be ensured. And meanwhile, the outer shell and the arc-shaped piece are assembled on the main body part together after being subjected to rough machining. And then the outer machining hole and the main shaft hole are machined in place, so that the relative positions of the main body part and all hole sites on the outer shell can be ensured. On one hand, machining of the inner machining hole is facilitated, the machining efficiency and the machining precision are improved, and meanwhile the precision of all hole sites in the outer shell and the arc-shaped piece can be guaranteed. And the overall machining precision of the gearbox outer shell is guaranteed.

The utility model discloses a die-casting mould core-pulling avoiding device, which relates to the technical field of die-casting core-pulling, and comprises a mounting sleeve, an oil cylinder and a driving rod, the mounting sleeve is inserted in a mould frame, the driving rod is connected in the mounting sleeve in a sliding manner, a sprue bush is arranged in the mould frame, the mounting sleeve is provided with a first avoiding groove, the peripheral wall of the sprue bush is propped against the inner wall of the first avoiding groove, and the oil cylinder is arranged in the mounting sleeve. And the distance between the axis of the sprue bush and the axis of the mounting sleeve is shortened, so that the centrosymmetric layout of the sprue bush is kept. The driving rod is provided with a second avoiding groove, and the length of the second avoiding groove is larger than that of the first avoiding groove in the axis direction of the driving rod, so that the driving rod can move in the axis direction of the driving rod to achieve the core pulling process, and interference is avoided. And meanwhile, a first matching surface is arranged on the inner wall of the mounting sleeve, and a second matching surface abutting against the first matching surface is arranged on the outer wall of the driving rod, so that circumferential positioning of the driving rod is achieved, the second receding groove is located in the peripheral position of the sprue bush, and the driving rod is prevented from rotating.

The invention relates to the technical field of casting devices, and discloses a zinc ingot quantitative casting device and a using method thereof.The zinc ingot quantitative casting device comprises a base and a mounting disc arranged on one side of the base, a storage barrel is arranged above the base and connected with the top end of the base through a mounting frame, and a casting barrel rotationally connected with the base is arranged below the storage barrel; the casting cylinder is communicated with the storage cylinder through a connecting hose, the top end of the base is provided with an overturning part used for driving the casting cylinder to rotate, and a quantifying part is arranged in the casting cylinder; the quantitative part is arranged on the top of the casting barrel, the space in the casting barrel can be adjusted, so that the molten zinc cast every time is the same, the casting amount can be adjusted according to the actual situation, and the casting quality of zinc ingots is guaranteed; and compared with a traditional pressure sensor or liquid level sensor for detecting the injection amount of the zinc liquid, the structure is more stable, damage is not likely to happen, and the problem of low detection precision can be solved.