40results about How to "Eject evenly" patented technology

A desulfurization, dust removal and denitration device for a biomass boiler relates to the technical field of flue gas treatment devices and comprises a treatment barrel shell, a plurality of alkali liquor distribution ring shells are fixedly connected to the outer wall of the treatment barrel shell in parallel from top to bottom, and a plurality of alkali liquor outlets communicated with the alkali liquor distribution ring shells are formed in the barrel wall of the treatment barrel shell in the circumferential direction in a surrounding mode and correspond to the alkali liquor distribution ring shells. An atomizing head is fixedly connected in each alkali liquor outlet, a filter screen is fixedly connected to the position, close to the upper end, of the treatment barrel shell, and a cleaning plate set in friction contact with the inner wall of the treatment barrel shell and the lower surface of the filter screen is rotationally arranged in the treatment barrel shell. The utility model solves the problems that dust and particulate matters are contained in flue gas in the prior art, most of the dust in the flue gas is separated after alkali liquor is in contact with the flue gas, and the separated dust and particulate matters are easy to gather in the device, so that the dust removal efficiency of the device on the flue gas is influenced.

A mixing device for safety production of vitamin C products relates to the technical field of stirring devices and comprises a mixing tank, an inlet pipe communicated with an inner cavity of the mixing tank is rotatably arranged at the top of the mixing tank, a feeding cylinder is rotatably inserted into the upper end of the inlet pipe, and a flap valve is rotatably arranged in the feeding cylinder; the lower end of the inlet pipe is fixedly connected with a base plate, a supporting ring is coaxially arranged below the base plate, a plurality of material distributing rods are fixedly connected between the outer wall of the base plate and the upper surface of the supporting ring in a surrounding mode, a material falling channel is formed through the area between the adjacent material distributing rods, and the width of the material falling channel is gradually increased from the center to the outer side. According to the utility model, the problems in the prior art that in the mixing process of lutein ester and vitamin C, under the action of a stirring structure, powder is easy to raise and diffuse in the surrounding environment, so that the surrounding environment is influenced, and potential safety hazards are caused to operators in the working environment are solved.

The utility model discloses a mould of a water storage brick, which relates to the technical field of manufacturing, and comprises a mould main body frame, a top mould mechanism and a reinforcing mechanism, a forming cavity bottom plate is arranged in the middle of the inside of the mould main body frame, concave parts are downwards arranged on two sides of the inside of the mould main body frame, and the concave parts are arranged in the forming cavity bottom plate. First positioning holes are formed in the two sides of the bottom of the mold body frame, the mold ejecting mechanism is used for ejecting a formed water brick, and the reinforcing mechanism is used for preventing the whole mold body frame from deforming. The mold ejecting mechanism comprises an inner side guide plate, a concave strip, a fixed base, a mold ejecting piece, a second positioning hole, a mold drawing column body, a buffer sleeve, an outer drawing spring and an inner drawing spring, according to the mold of the water storage brick, the mold ejecting piece is guided through the inner side guide plate, stable ejection is achieved through spring elasticity, the two springs have different elasticity coefficients, the staged effect is achieved, the mold ejecting process is stable, and the mold ejecting efficiency is improved. Therefore, the formed water brick is ejected, and the demolding efficiency is improved.

The present application relates to a kind of sulfonate drilling fluid plugging test system.Sulfonate drilling fluid plugging test system includes: outer tube, with small diameter section and large diameter section, the pipe wall of large diameter section is provided with mesh hole;Shale, annular structure, and inside large diameter section, shale has crack, the position of crack corresponds with mesh hole, the inner cavity of small diameter section and the inner cavity of shale are through, to form placement cavity;Inner tube, including cavity section and cavity section, cavity section with small diameter section, shale encloses annular return liquid chamber;Liquid outlet storage tank, through liquid outlet pipeline with cavity section is communicated;Liquid return storage tank, through liquid return pipeline with annular return liquid chamber is communicated;Drive pump, set on liquid outlet pipeline or liquid return pipeline;Shell, sleeve is set on large diameter section, shell with large diameter section encloses leakage chamber, mesh hole and leakage chamber are communicated;Air source, for pressurizing in leakage chamber;Pressure measurement component, for measuring the pressure difference in annular return liquid chamber and leakage chamber;Heating box, inner tube, outer tube and leakage chamber are arranged in heating box.

The utility model discloses an injection molding machine for producing plastic floor belongs to floor production field, including extrusion cylinder, the fixed coupling of feeding pipe has on extrusion cylinder, is provided with rotating mechanism in extrusion cylinder, and rotating mechanism includes auger shaft, and the fixed coupling of motor has in the center position of extrusion cylinder one end, and the fixed coupling of extrusion head has in the end of extrusion cylinder away from motor. Advantageous effects lie in: set up connecting mechanism and vibration mechanism, through the setting of several material distribution plates on the conveying box, the hot plastic raw material flowing out in the extrusion head is guided to the material distribution plate respectively, and is injected into the mold through each injection tube, can make the hot plastic raw material enter the mold and will be fitted floor forming structure, avoid injection molding floor everywhere raw material distribution and uneven cooling, and through setting vibration mechanism, can improve the flowability of hot plastic raw material in the material distribution plate, make it more evenly from injection tube spouts, further improve injection uniformity.

The utility model relates to spheroidizing annealing technical field discloses a spheroidizing annealing equipment for fastener production, including preheating box, the outer wall left side intercommunication of preheating box has the connecting groove no. 1, the outer wall left side intercommunication of connecting groove no. 1 has the temperature rise box, the inner wall both sides fixed connection of temperature rise box has the heating wire, the outer wall left side intercommunication of temperature rise box has the connecting groove no. 2, the outer wall left side intercommunication of connecting groove no. 2 has the cooling box, the inner wall both sides of cooling box are equipped with the sliding slot, the outer wall sliding connection of sliding slot has the storage rack, the outer wall rear side intercommunication of cooling box has the conveying pipe no. 1. In the utility model, the sliding of the storage rack is realized through the sliding slot, the preheating is carried out in the inside of the preheating box first, then enters the temperature rise box through the connecting groove no. 1, the inner wall fixed connection of temperature rise box has the heating wire, the temperature rise is carried out through the heating wire, and the cooling is carried out through the connecting groove no. 2 after completing annealing and entering the cooling box.

The utility model discloses a mixing device for resin production. The mixing device comprises a resin mixing production tank, the feeding sealing cover is mounted on the inner side of the upper end of the resin mixing production tank through screws; the rotary material mixing mechanism is installed in the middle of the inner side of the feeding sealing cover through screws, and the rotary material mixing mechanism is electrically connected with an external PLC through a connecting wire; the pneumatic dispersing mechanism is fixedly connected to the inner sides of the two ends of the feeding sealing cover, the pneumatic dispersing mechanism is connected with an air pump, the pneumatic dispersing mechanism can spray gas on the feeding sealing cover, the sprayed gas can disperse falling resin materials, and therefore the resin materials can be dispersed in the feeding sealing cover. The pneumatic dispersing mechanisms on the two sides sequentially and alternately spray gas to disperse the materials, so that the falling materials can be overlapped with one another, and the efficiency is effectively improved during stirring and mixing.

The utility model discloses a die pressing device for refractory brick production, which comprises a case, uniformly distributed pressing cavities are arranged on the upper surface of the case, support rods are respectively arranged at four corners of the upper surface of the case, support plates are respectively connected among the four support rods in a sliding manner, uniformly distributed pressing blocks are arranged at the bottom ends of the support plates, and the die pressing device further comprises an automatic feeding and discharging mechanism; the automatic feeding and discharging mechanism comprises sliding rods, a supporting plate, ejector blocks, rotating rods, connecting rods, ejector rods and a feeding assembly, the sliding rods are arranged between the upper inner wall and the lower inner wall of the machine box, the supporting plate is slidably connected between the four sliding rods, the ejector blocks which are evenly distributed are arranged on the upper surface of the supporting plate, and the outer portions of the ejector blocks are slidably connected with the inner walls of the vertically adjacent pressing cavities; according to the die pressing device for refractory brick production, refractory bricks can be rapidly pressed and formed, the automation degree of the die pressing device is improved, and the integrity and the appearance quality of the refractory bricks are effectively guaranteed.

The utility model discloses a valve casting sand casting mold which comprises a base, a lower mold is fixed on the upper surface of the base, an upper mold is arranged above the lower mold, cavities are formed in the opposite faces of the upper mold and the lower mold, a sand inlet is formed in the top of the upper mold, and a motor is installed at the left end of the upper base. The left side of the upper surface of the base is in bearing connection with a threaded rod, and a fixing rod is fixed to the right side of the upper surface of the base. According to the valve casting sand mold casting mold, after a valve casting is completely solidified and cooled, a motor drives a threaded rod to rotate reversely, meanwhile, a driving gear drives a rack meshed with the driving gear to move rightwards and drives an attaching block to extrude an ejection plate, the ejection plate is made to move upwards, the valve casting in a sand mold can be ejected out stably and rapidly, and therefore the valve casting can be stably and rapidly ejected out. And casting damage and deformation or sand mold damage caused by difficult demolding is avoided, and the yield and the production efficiency of the casting are greatly improved.

The utility model relates to a kind of glass pot cover edge covering's feeding device, characterized in that including base, first motor is installed in base, rotary connection has carousel on base, the output shaft of first motor is connected with carousel, fixed plate is connected in base top, electric slide rail is installed in the top surface left and right ends of fixed plate, slidingly connected with connecting block in electric slide rail, connecting block top is jointly connected with push plate, fixed plate front end top is connected with the placing box for placing adhesive tape, placing box end portion slidingly connected with baffle, base is equipped with controller, discharge assembly for pushing out lower mould is set in fixed plate;Advantages are that connecting block is driven push plate reciprocating motion by electric slide rail, cooperate controller to coordinate first motor control carousel index rotation, make push plate automatically push out single adhesive tape from placing box and block the surplus material when carousel stops each time, realize continuous automatic feeding, shorten single feeding time.

This invention discloses a split-type gas spray assembly for semiconductor equipment, including a main housing, which is a cylindrical sleeve with an upwardly extending inner cavity formed in the center of its bottom surface. An air inlet is formed in the center of the top plate of the main housing. A gas distribution plate is provided in the center of the inner cavity, with multiple upwardly extending protrusions formed on the top surface of the gas distribution plate. Multiple gas distribution holes are formed on the gas distribution plate around the protrusions, and multiple second gas distribution holes are also formed on the gas distribution plate. A downwardly extending central through-hole is formed in the center of the top surface of the protrusion formed at the center of the gas distribution plate. A jetting plate is fixed to the bottom of the main housing, covering the bottom of the inner cavity. The gas is initially dispersed by the gas distribution plate from the air inlet, and then further dispersed into all the jetting holes through the gas distribution holes and second gas distribution holes, ensuring uniform gas flow from all the jetting holes and guaranteeing a more even airflow onto the wafer surface, thus ensuring a good coating effect.

This invention discloses a fuel atomization system suitable for the combustion chamber of a regenerative micro gas turbine, comprising: a T-shaped evaporator, a swirling oil-gas duct, a coaxial atomizing nozzle, an air intake pipe, and a fuel line protection sleeve; the T-shaped evaporator, the swirling oil-gas duct, and the coaxial atomizing nozzle are arranged coaxially, the air intake pipe is eccentrically connected to the side wall of the coaxial atomizing nozzle and can introduce high-pressure gas from the section before the regenerator after the compressor, the initially atomized mixed oil and gas enters the swirling oil-gas duct for further atomization and then evaporates and is ejected through the T-shaped evaporator, the fuel line protection sleeve is coaxially arranged on the outside of the swirling oil-gas duct and the coaxial atomizing nozzle and can avoid the direct impact of high-temperature backflow gas on the coaxial atomizing nozzle. This invention can significantly optimize fuel atomization quality, shorten the combustion chamber length, improve combustion efficiency, and improve the uniformity of combustion chamber outlet temperature distribution by adding a coaxial atomizing nozzle and an air intake pipe upstream of the traditional evaporator.

The utility model relates to a smokeless moxibustion device with controllable smoke volume, which is applied to the technical field of moxibustion, and is characterized in that smoke is conveyed into a purification box by driving an exhaust fan, then a water pump is started to pump water in a water storage box out, the water is sprayed out from a plurality of atomizing nozzles to form a water curtain, and the smoke is purified by the flushing of the water curtain; the water sprayed into the purification box flows back into the water storage box through a leakage groove, recycling is facilitated, and water resources are saved; a worm can be made to drive a turbine to rotate by rotating a handle, so that an adjusting support can drive the moxibustion instrument to rotate, and the angle of the moxibustion instrument can be adjusted conveniently; and the flexibility is improved.

The utility model relates to a spraying plate, a coating device and a solar cell manufacturing production line. The spraying plate is provided with a spraying face, the spraying face is provided with a spraying area and an air inlet area, the spraying area comprises a plurality of spraying hole sets, each spraying hole set comprises a plurality of spraying holes, the air inlet area is provided with a first air inlet hole and a second air inlet hole, the first air inlet hole is communicated with all the spraying holes of part of the spraying hole sets, and the second air inlet hole is communicated with all the spraying holes of part of the spraying hole sets. The second air inlet hole is communicated with all the spraying holes of the other spraying hole groups; the spraying area comprises an edge area and a central area; in the length direction of the spraying plate, the distance between every two adjacent spraying hole sets in the edge area is larger than the distance between every two adjacent spraying hole sets in the center area. And / or, in the same spraying hole group, in the width direction of the spraying plate, the distance between every two adjacent spraying holes in the edge area is larger than the distance between every two adjacent spraying holes in the central area. According to the spraying plate, the coating device and the solar cell manufacturing production line, the coating uniformity can be improved.

The utility model belongs to the technical field of die-casting dies, and particularly relates to a pre-pressing bearing seat die-casting die which comprises a fixed die holder and a movable die holder. The base is located below the fixed die holder, a movable die frame is arranged in the base, a plurality of vertical ejector pin rods are distributed above the movable die frame, the ejector pin rods penetrate through ejector pin holes in the fixed die holder, a supporting plate is fixedly connected to the upper portions of the ejector pin rods, and the outer side of the supporting plate is sleeved with an outer ring frame; a rotating frame is rotatably mounted in the lower end of the ejector pin hole, a fixing ring is rotatably mounted on the outer side of the upper end of the ejector pin hole, the fixing ring is fixedly connected with the outer ring frame through a frame connecting rod at the upper end, an electric telescopic part is mounted in the lower half section of the ejector pin hole, and the movable end of the electric telescopic part is connected to the fixing ring. According to the utility model, the caking state of molten metal in the ejector pin hole can be eliminated in real time after die-casting operation, so that the molten metal is ground into powder, and a product is ejected out and demoulded by the ejector pin after being pre-loosened through a double-section ejection structure, so that the effect of protecting the ejector pin is achieved, and the situation that the ejector pin is stuck and fractured is prevented.

The utility model relates to the technical fields of injection mold, especially to a mold structure of in-mold forming anti-pressing base material, including front mould assembly and back mould assembly, back mould assembly is equipped with line position mechanism, inner lining mould core, back mould fixed plate, back mould movable plate and pre -topping spring, inner lining mould core is fixedly connected in back mould fixed plate, and inner lining mould core is equipped with base material, line position mechanism is equipped with line position cylinder and line position sliding block, and line position sliding block slidingly connects in back mould movable plate, and is transmission connection in piston rod end of line position cylinder, and one end of pre -topping spring is connected in back mould movable plate and is contacted, thereby making the elastic force of pre -topping spring drive back mould movable plate and back mould fixed plate and form certain gap between, above all, can realize the protection to base material, and the yield is greatly promoted, and the movement of accurate restriction part is guaranteed, and the stable operation is guaranteed, and the ejection reset process is optimized, and the production efficiency is improved, and the precision of double -guide promotion sliding block is guaranteed, and the product quality is guaranteed, and the comprehensive benefit is remarkable.

The utility model discloses a kind of multi-space isolation explosion-proof fireworks gunpowder compression type granulation automation production line, including the layout of feeding, manipulator, filler granulation forming, finished product conveying belt discharge four stations in sequence, wherein blanking, filler granulation forming and finished product conveying belt discharge station are located in the compartment room separated by explosion-proof isolation wall respectively;Quantitative feeding device for powder mixing discharge is provided on feeding station;Manipulator is fed into the material of blanking station to the feed hopper of filler granulation forming;Powder filler granulation forming station includes mould forming mechanism and the filler mechanism of filler in the mould of mould forming mechanism, and the discharge end of mould forming mechanism is provided with the finished product conveying belt discharge device that product is exported to finished product area.The utility model is through explosion-proof isolation layout, optimization mould structure, accurate mould design, high -efficient cleaning residual and shorten forming cycle etc. innovation, significantly improve safety performance, stably improve product quality, substantially improve production efficiency.

The utility model relates to the technical field of injection molds, in particular to an automatic ejection injection mold which comprises an upper forming mold and a lower forming mold arranged under the upper forming mold, a mold seat matched with the lower forming mold is fixedly mounted under the lower forming mold, a double-plate seat is mounted in the mold seat and fixedly connected with the mold seat, and the double-plate seat is fixedly connected with the mold seat. Positioning vertical shells are installed at the four corners of the upper end face of the double-plate base, the lower ends of the positioning vertical shells are clamped and fixed to the double-plate base, and lifting sliding rods are installed at the upper ends of the positioning vertical shells in a sliding mode. The double-plate base is arranged between the forming lower die and the die base, the positioning vertical shell is installed through the double-plate base, the lifting sliding rod can be stably installed through the positioning vertical shell during use conveniently, it is guaranteed that an ejector rod set is stably installed through the lifting sliding rod, and therefore stable and automatic ejection use of products in the die is achieved; meanwhile, in the using process, adsorption locking can be achieved through an electromagnet.

The utility model relates to alcohol hydrogen device technical field, and disclose a kind of water scrubbing tower energy-saving device for gasoline hydrogenation workshop, including upper tower body and lower tower body, the top of upper tower body is provided with filter assembly, and the inner wall of upper tower body is provided with multilayer high-efficiency wire mesh demister, the inner wall of upper tower body is provided with spray assembly.The water scrubbing tower energy-saving device for gasoline hydrogenation workshop is provided with gas outlet, filter box, mounting groove, filter screen frame, activated carbon filter screen, sealing ring and hydrogen outlet, by setting multilayer high-efficiency wire mesh demister in upper tower body top area, can better demist breakage, by being provided with activated carbon filter screen, residual methanol molecule in hydrogen can be adsorbed, reduce methanol content in hydrogen, improve water scrubbing tower top demethanol effect, effectively solve the problem that methanol hydrogen around methanol peculiar smell is big, improve workshop working environment.

The utility model relates to the related technical field of bolt machining equipment, and one embodiment of the utility model provides a wedge-shaped reinforcement type bolt punching machine which comprises a platform and a fixing column, the fixing column is arranged on the surface of the platform, a material changing assembly is arranged on the platform, a driving motor is installed at the top of the fixing column, and a continuous punching assembly is arranged on the fixing column. The continuous stamping assembly comprises a transmission groove, the transmission groove is formed in the fixing column, a pair of stand columns are arranged in the transmission groove, the stand columns are slidably connected with transmission blocks in a sleeving mode, stamping heads are arranged at the bottoms of the transmission blocks, and the stand columns are each sleeved with a first spring. According to the technical scheme, the technical problems that in the running process of a conventional punching machine in the prior art, operators need to conduct manual discharging, operation is tedious, a large amount of manpower and time are consumed, and large potential safety hazards exist are solved.

The utility model relates to the technical field of house building construction, and discloses a house building construction marking device which comprises a bottom plate, a feeding structure, a spraying structure, a driving assembly and a storage box. The material spraying structure is fixedly installed at the front end of the bottom plate, the feeding structure is fixedly installed on one side of the bottom plate and comprises a pump shell, a driven gear and a driving gear, and the driven gear and the driving gear rotate in the pump shell and are meshed with each other and used for generating drawing force to feed slurry in the material storage box into the material spraying structure. According to the slurry spraying device, the driving assembly drives the feeding structure to move, slurry in the material storage box is pumped into the material spraying structure, then the material spraying speed of the device is matched with the movement of the device, and the movement speed of the device is in positive correlation with the slurry spraying amount; the problem that the grout spraying amount is not uniform due to the change of the moving speed of the device is effectively solved, the scribing quality is guaranteed, the grout using amount is saved, and the construction cost is reduced.

The utility model relates to the technical field of heat treatment equipment, in particular to a gas permeation uniformity optimizing device for a carburizing furnace, which comprises a furnace body, a plurality of groups of inner protection backing rings arranged along the vertical direction are fixedly mounted on the inner wall of the furnace body, each group of inner protection backing rings comprises two inner protection backing rings, and the inner protection backing rings are annular. An annular gas pipe is arranged between the two inner protection backing rings in each set, an upper set of gas outlet holes and a lower set of gas outlet holes which are symmetrical to each other are formed in the inner annular side face of each annular gas pipe, branch pipes penetrating out of the furnace body are fixedly installed on the side faces of the annular gas pipes, and main gas pipes are fixedly installed on the multiple branch pipes. A plurality of temperature control electric heaters are fixedly installed in the furnace body, a plugging cover is arranged on the top of the furnace body, and the plugging cover is driven by a left air cylinder and a right air cylinder to be opened and closed. The carburizing device has a better carburizing effect, avoids dead angles, and remarkably improves the carburizing uniformity.

The invention relates to the technical field of medical instrument design, and belongs to a powder conveying device which comprises an elastic medicine feeding bottle, a conveying pipe and a switching handle used for connecting the elastic medicine feeding bottle and the conveying pipe, and a cavity channel communicated with the elastic medicine feeding bottle and the conveying pipe is formed in the switching handle. By means of the design that a plurality of inlet cavities with spiral structures are additionally arranged in the adapter handle, powder therapeutic agents can be evenly sprayed out in multiple times, it is avoided that most of the therapeutic agents are sprayed out for the first time, and the therapeutic effect is enhanced; through the design that the three-way valve is arranged on the switching handle, other instruments can be externally connected or therapeutic agents can be conveyed during use, and the flexibility is enhanced; or before the therapeutic agent is conveyed, an external air source is connected to keep the conveying pipe dry, and then the therapeutic agent is conveyed.

The utility model discloses a quick replacement structure for a mold insert. The quick replacement structure comprises a front mold forming part and a rear mold forming part, wherein the front mold forming part consists of a front mold frame and a front mold core matched with the front mold frame; the rear mold forming part consists of a rear mold frame and a rear mold core matched with the rear mold frame; the separable combined insert consists of an upper movable insert and a lower movable insert; a positioning groove for positioning the heating tube is formed in the lower surface of the movable insert; according to the utility model, the insert is designed to be separable, so that the heating tube is positioned, an operator is prevented from being in contact with a high-temperature mold cavity when installing the heating tube, and the personal potential safety hazard is eliminated. Meanwhile, quick separation and assembly of the insert assembly and the die body can be achieved through die assembly matching of the front die frame and the rear die frame, synchronous ejection after forming is achieved through the ejector rod mechanism, the downtime of a die-casting machine table is shortened, and the production efficiency is remarkably improved.

The utility model discloses a constant fogging essential oil bottle which comprises a shell and a face cover, the bottom of the shell is fixedly provided with the face cover to form a hollow bottle body, an essential oil cotton swab is arranged in the shell, a cylindrical channel penetrating through the upper end and the lower end is formed in the middle of the essential oil cotton swab, and a heating pipe is arranged in the cylindrical channel. A silica gel cover plate is fixedly arranged on the upper surface of the face cover, the side face of the silica gel cover plate integrally extends out of a ventilation shell, an air inlet hole is formed in the ventilation shell, an air guide groove is formed in the ventilation shell, an air guide hole is formed in the center of the silica gel cover plate, and the air guide groove is communicated with the air inlet hole and the air guide hole. And the air inlet hole, the air guide groove and the air guide hole form a U-shaped air passage. By means of the U-shaped air channel formed by the air inlet hole, the air guide groove and the air guide hole, it is ensured that external air is stably guided into the bottle body, constant airflow is formed, atomized essential oil is evenly sprayed out, and user experience is improved.

The utility model belongs to sewage treatment technical field, concretely relates to a solid -liquid separation device for sewage treatment, including mounting seat, sewer pipeline, solid -liquid separation subassembly, limit block and dismounting assembly, limit block is connected with the limit slot on mounting seat, and dismounting assembly is provided with two groups, two groups of dismounting assembly set up on any two limit blocks of relative distribution, and the dismounting assembly includes dismounting groove, wedge block, pull block, first spring and second spring, wedge block horizontal sliding sleeve sets in the dismounting groove, and the horizontal installation hole is seted up on the groove wall in the dismounting groove, and the inner side wall of installation hole and the inner side wall of wedge block are fixedly connected with the inner and outer ends of first spring respectively, pull block is fixedly connected on the upper surface of wedge block, the limit slot is provided with the positioning slot of mutual adaptation, the limit hole is equipped in the inner bottom wall of limit slot, and the second spring is equipped in the limit hole, and the bottom of limit block is abutted on the upper end of second spring, and the scheme can realize automatic pop -out type dismounting.

This utility model discloses an ejection mechanism for an injection mold, including a base and a lower mold frame mounted on the base; a core mold fixing plate is embedded in the bottom of the lower mold frame; a mold core and a sprue core are provided on the core mold fixing plate; a mounting groove for the mold core and sprue core to extend from the top of the lower mold frame; an ejector block that movably fits with the mold core and sprue core is provided in the mounting groove; and an ejection assembly for driving the ejector block to eject the molded product is provided in the middle of the base. This utility model's ejection mechanism uses an ejector block ejection method instead of the existing push plate or ejector pin ejection structure, which not only reduces the overall mold thickness to meet the requirements of injection molding equipment, but also provides stable ejection in practical applications, solving problems such as ejection jamming, tearing, and difficulty in resetting existing ejection structures.

The utility model discloses a C5 petroleum resin pretreatment reactor, and particularly relates to the technical field of resin pretreatment, the C5 petroleum resin pretreatment reactor comprises a reactor main body, the upper end of the reactor main body is provided with a sealing cover, and the outer side of the upper end of the sealing cover is correspondingly provided with a main feed pipe, a plurality of auxiliary feed pipes and a plurality of small servo motors; a water inlet pipe is arranged on the upper side of the outer end surface of the reactor main body, and a support connecting rod is arranged in the reactor main body. In actual use, the strip-shaped nozzle can be sealed through the limiting sealing plate under the state that the limiting sealing plate, the strip-shaped nozzle and the water guide connecting pipe are correspondingly arranged, and when materials are mixed, the materials can be effectively prevented from entering the water guide connecting pipe from the strip-shaped nozzle; the strip-shaped nozzle is prevented from being blocked by materials, and it is guaranteed that the strip-shaped nozzle can evenly spray out flushing fluid.