68results about How to "Consistent thickness" patented technology

This utility model belongs to the technical field of composite insulation board installation structure, and specifically relates to a fixing device for steam-pressurized concrete composite insulation boards. An upper positioning clip is set on the upper end of the pressure plate and connected to the upper part of the left and right mesh panels. A lower positioning clip is set on the lower end of the insulation material and connected to the lower part of the left and right mesh panels. The lower end of a steel rod passes through the upper positioning clip, the pressure plate, and the insulation material in sequence and connects to the lower positioning clip. The upper end of the hollow tube abuts against the frame, and the lower end of the hollow tube abuts against the upper positioning clip. During pouring, the upper and lower positioning clips on the steel rod position the insulation material in the middle and press it down with the transverse pressure plate. Furthermore, the hollow tube rests against the frame, positioning the insulation material in the center of the left and right mesh panels, ensuring consistent thickness of the left and right panels. In addition, the tension of the connectors on the mesh panels prevents the mesh panels from expanding outwards during pouring, preventing stress caused by later mesh panel deformation that could lead to cracking of the overall composite insulation board.

The application relates to the technical field of coating devices, and discloses a fireproof layer coating machine for fireproof glass production and a production process, wherein the fireproof layer coating machine for fireproof glass production comprises an equipment frame, a conveying assembly fixedly installed in the equipment frame, a bottom frame mechanism arranged above the conveying assembly and a coating mechanism, and the inside of the bottom frame mechanism supports a glass sample; a three-stage nested floating structure formed by first, second and third sliding sleeves provides a multi-degree-of-freedom alignment capability for a coating roller; when special-shaped glass passes, the coating roller can passively and adaptively float along the curved surface profile of the special-shaped glass, and always adhere to the surface of the glass; meanwhile, the whole coating head is flexibly hung by a plurality of supporting springs, overall buffering is provided, the problems of accumulation at protruding positions and coating leakage at recessed positions are solved, uniform transfer of fireproof coating on a special-shaped surface is ensured, and finally, a high-quality coating with consistent thickness and continuous integrity is obtained.

This invention discloses an anode device for electroforming additive manufacturing with uniform velocity distribution in long-slit jets. It includes a cover plate, a shell, a bottom cover, a flow rate regulating plate, and inert anode plates. The cover plate and bottom cover are sealed and fixed to the upper and lower ends of the shell, respectively. The shell contains an electrolyte receiving cavity and a liquid inlet, with the inert anode plates symmetrically inserted into the side walls of the liquid inlet. The bottom cover has a long-slit outlet. The flow rate regulating plate is fixed in the receiving cavity, forming a flow rate regulating slit between the two plates. The inlet, receiving cavity, flow rate regulating slit, liquid inlet, and long-slit outlet are sequentially connected. The flow height distribution of the flow rate regulating slit is set according to the natural velocity distribution curve of the long-slit outlet: a parabolic distribution in laminar flow and a 1 / 7 power-law distribution in turbulent flow. This device, by designing the flow rate regulating slit, solves the problem of uneven velocity distribution in long-slit jets, significantly improves the velocity distribution at the jet outlet cross-section, achieves spatial coupling between the flow field and the electric field, and improves the uniformity of the electroforming deposition layer thickness.

The utility model discloses an AB glue drill spreading machine, which belongs to the technical field of AB glue drill spreading machines, and comprises a base, a plurality of glue drills, a plurality of glue drills and a plurality of glue drills, the glue outlet head is mounted on the base through a driving part and can move on the base in the long side direction and the short side direction of the base; the glue scraping part is mounted on the driving part and slides along the long side direction of the base; wherein the glue scraping part is divided into two times of glue scraping during working, residual air in a template hole is extracted through negative pressure between the two times of glue scraping, air in the hole can be promoted to be exhausted through a negative pressure space, and glue is further compacted while secondary glue scraping and glue supplementing are carried out after air is exhausted.

This invention provides a slurry brushing device. The device drives a brushing mechanism to move laterally above an operating table via a brushing moving component. A brushing preparation table and a substrate support are arranged on the upper surface of the operating table in the direction of the brushing mechanism's movement. A convex platform is provided on the brushing preparation table. During the brushing mechanism's movement, the bristles of the discharge cylinder roll against the surface of the convex platform and the substrate surface on the substrate support. This invention, through the convex platform, supplies slurry to bristles that are not fully covered. The bristles of the discharge cylinder are simultaneously penetrated by the slurry and rolled against the surface of the convex platform. The convex platform is large enough for the bristles of the discharge cylinder to roll around the entire surface, allowing the slurry at the discharge port to evenly penetrate the interior of the bristles under gravity. The process of the bristles being squeezed around the entire surface allows the slurry on the inner side of the bristles to better penetrate to the outer side, resulting in a more uniform and fine coating on the substrate surface.

The utility model discloses a fiber cloth gum dipping thickness intelligent adjusting device, which comprises a gum dipping pool and fiber cloth, the fiber cloth is guided by a first guide roller, a second guide roller, a third guide roller and a fourth guide roller to complete gum dipping operation, and the thickness of the fiber cloth after gum dipping is detected by a microwave thickness measuring sensor. Detected data are transmitted to a controller in an electric signal mode, the controller compares the detected data with a preset value and then sends an electric signal to a servo motor at the second adjusting mechanism, the servo motor at the second adjusting mechanism drives a relative movement mechanism, the first adjusting roller and the second adjusting roller complete relative movement, and distance adjustment is achieved; compared with the prior art, through intelligent thickness detection and intelligent thickness adjustment and control, defects existing in manual adjustment and control are avoided, operation is convenient, and meanwhile the gum dipping efficiency is improved.

The invention belongs to the technical field of non-oriented silicon steel laser welding, and relates to a welding and rolling method for welding seams of thin-gauge non-oriented silicon steel. According to the method, the head and the tail of the thin-specification large-grain non-oriented silicon steel substrate with the width of 1000-1200 mm are welded through an effective welding process, the rolled hard plate is smoothly rolled through five-rack acid continuous rolling, continuous production of cold continuous rolling is achieved, the production efficiency is greatly improved, the improvement of the product quality stability is facilitated, and the production cost is reduced. And products with consistent thickness, performance and surface quality can be obtained more easily.

The utility model discloses a kind of processing of rehmannia tea are used to make tablet equipment, including frame, the blade mechanism is installed in the top of frame inner chamber, the slice seat that is used in cooperation with blade mechanism is installed in the bottom of frame inner chamber, the pushing mechanism is installed in the bottom of frame inner chamber and located slice seat one side;The blade mechanism includes two lifting frames, and the opposite side of two lifting frames is equipped with blade mounting seat, and the bottom of blade mounting seat is equipped with a plurality of blades.The utility model has the advantages of high efficiency, solves the problem that the existing traditional chinese medicinal material tablet equipment is not convenient for efficient processing of dry rehmannia when slicing long dry rehmannia, increases the labor intensity of staff, reduces the processing efficiency of rehmannia tablet.

The present application relates to the technical field of 3D printing, and particularly relates to a printing device and forming method of a circuit protection layer of a display device. The printing device of the present application comprises: a main support; the main support has a front end and a rear end along a horizontal direction; at least two barrier wall printing units, which are adapted to print and form barrier walls on the surface of the connection area and / or non-connection area of a flexible circuit board respectively; the printing unit comprises a printing needle; the printing units are arranged at intervals in the direction from the front end to the rear end; a filling glue printing unit is arranged at intervals with the barrier wall printing units in the direction from the front end to the rear end, is located between the rear end and the barrier wall printing units, and is adapted to print filling glue in the space between the multiple barrier walls formed by the multiple printing units to form a circuit protection layer; the circuit protection layer covers at least the connection area. The present application can effectively solve the problems of poor uniformity of the film layer thickness of the circuit protection layer, influence on packaging, and even possible influence on the display effect.

The utility model relates to a kind of sample preparation mould for liquid crystal encapsulation frame glue hardness test, belong to liquid crystal encapsulation frame glue testing technical field, sample preparation mould includes sample preparation layer, release layer and pressure cover layer, the sample preparation layer is structured as plate structure, and the center is provided with through-hole;Release layer is set to two pieces, respectively laid in the upper and lower two sides of the sample preparation layer;Pressure cover layer, set to two pieces, respectively laid in the other side of the release layer.The sample preparation mould for liquid crystal encapsulation frame glue hardness test provided by the utility model uses common material in each combination layer, and the manufacturing cost is low, and the mould can be repeatedly used;Through the sample preparation mould, the thickness of frame glue coating can be made consistent, shape is neat, UV curing effect is good, and easy to release.

The utility model discloses a lapping machine, which belongs to the field of textile equipment and comprises a case, a feeding port is arranged on the case, and a lapping mechanism, a first web curtain conveying mechanism and a second web curtain conveying mechanism are arranged in the case. A third web curtain conveying mechanism is further arranged in the machine box, one end of the third web curtain conveying mechanism extends to the feeding port, a third web curtain on the third web curtain conveying mechanism is pressed on a first web curtain of the first web curtain conveying mechanism, and the first web curtain and the third web curtain clamp cotton webs entering from the feeding port and drive the cotton webs to move in the preset direction. Through the arrangement of the third web curtain conveying mechanism, the cotton web can be clamped by the first web curtain and the third web curtain after entering from the feeding port, so that the cotton web is supported and restrained in the high-speed operation of the equipment, and the cotton web fluttering phenomenon occurring in the high-speed operation of the equipment is avoided.

The utility model discloses a round iron sleeve structure of an invisible connecting key, which belongs to the field of furniture manufacturing and comprises a round iron sleeve main body, a through hole is arranged on the round iron sleeve main body, an elastic limiting rod is arranged at the end part of the round iron sleeve main body, an elastic clamping rod is arranged at the end part of the round iron sleeve main body, and an abutting block is arranged at the tail end of the elastic clamping rod. A clamping protrusion is installed on the inner wall of the through hole in the round iron sleeve body. According to the round iron sleeve, the clamping protrusions facing the inner side are arranged on the round iron sleeve body, and after the connecting rod is inserted into the round iron sleeve, the clamping protrusions abut against the outer wall of the connecting rod, so that a direct fixing effect exists between the round iron sleeve body and the connecting rod, and the stability after the connecting rod and the round iron sleeve body are connected is ensured; the invisible connecting key is simple in structure, the elastic limiting rod and the non-return block are matched for use, the use stability of the whole invisible connecting key can be improved, the situation of loosening and falling is avoided, the circular groove is formed in the clamping protrusion, it is guaranteed that the thickness of the circular iron sleeve body is consistent with that of the clamping protrusion, and the use effect is guaranteed.

This invention provides a bolt oiling device, relating to the field of bolt oiling technology. It includes an oil storage tank for storing rust-preventive oil. A protective cover is provided at the top of the oil storage tank. Lifting mechanisms are symmetrically arranged on the left and right sides of the oil storage tank. A mounting frame is provided between the output ends of the two lifting mechanisms. A rotating mechanism is mounted on the mounting frame, and a bolt placement basket is mounted on the output end of the rotating mechanism. The rotating mechanism of this invention drives the bolt placement basket to rotate, ensuring that the bolts are fully in contact with the rust-preventive oil and that each bolt surface is evenly covered with rust-preventive oil, effectively enhancing the bolts' rust resistance. This invention can simultaneously accommodate multiple bolts in the bolt placement basket for oiling operations. Combined with an automated lifting and rotating process driven by a hydraulic cylinder and motor, it significantly reduces manual intervention and substantially improves the production efficiency of the oiling process.

This utility model relates to the technical field of slice thickness adjusters, specifically a bamboo shoot slice thickness adjuster. It includes an operating table, on which a thickness adjustment component, a slicing component, and a pushing component are arranged. A limit bar is fixedly installed on the top of the operating table, and the thickness adjustment component is mounted on the limit bar. The slicing component is fixedly connected to the top of the limit bar via a support rod. The slicing component includes a housing fixedly mounted on the support rod. A moving rod is slidably installed through the upper limit of the housing. A reciprocating moving component is installed inside the housing to control the reciprocating movement of the moving rod. One end of the moving rod is connected to a blade via a connecting clamp. The pushing component is located on the top of the operating table and includes a push plate for pushing bamboo shoots. A position adjustment component is connected to one side of the push plate via an elastic element, and the elastic element can immediately push the push plate towards the bamboo shoot after the bamboo shoot is sliced. This utility model provides a bamboo shoot slice thickness adjuster that allows for immediate adjustment of the bamboo shoot feed position and different blade speeds, enabling rapid control of the blade's cutting speed.

The utility model belongs to the technical field of traditional Chinese medicinal material processing, particularly relates to gastrodia elata slicing thickness adjusting equipment, and aims to solve the problems of non-uniform slicing thickness, low efficiency and complicated operation due to the fact that most of the existing gastrodia elata slicing modes depend on manual operation or use of simple mechanical devices. The gastrodia elata slicing device comprises a workbench, a supporting plate is fixedly installed on one side of the workbench, a supporting frame is fixedly installed at the top of the workbench, a partition frame is fixedly installed in the supporting frame, the partition frame is used for supporting and limiting gastrodia elata needing to be sliced, and a plurality of feeding holes are formed in the inner wall of the top of the supporting frame at equal intervals. According to the gastrodia elata slicing device, multiple gastrodia elata can be cut at the same time, meanwhile, by adjusting the position of the baffle, the gastrodia elata slicing thickness can be adjusted, and therefore in actual use, the baffle can be adjusted to the proper position according to actual needs, and good practicability is achieved.

The utility model discloses a limiting plate assembly for a calender, and relates to the technical field of automobile leather processing. The limiting plate assembly for the calender comprises a fixing support and a limiting assembly, guide rollers are arranged on the two sides of the fixing support, the limiting assembly is arranged on the guide rollers, the limiting assembly comprises a two-way threaded rod, threaded blocks and a limiting plate, and the two sets of threaded blocks are installed on the two-way threaded rod in a threaded mode and symmetrically distributed front and back; the guide roller is slidably sleeved with two sets of limiting plates which are symmetrically distributed front and back, and the bottoms of the limiting plates and the tops of the threaded blocks are fixedly installed. Through the arrangement of the limiting assembly, leather is clamped, it is ensured that the leather is kept in the center when entering and exiting the calender, leather deviation is avoided, it can be ensured that the leather is subjected to uniform pressure, and therefore the thickness and quality of the calendered leather are more consistent, frequent adjustment and reworking can be avoided through accurate control over leather centering, and the production efficiency is improved. And the production stability and efficiency are improved.

The utility model belongs to the technical field of coating equipment, concretely relates to a kind of automatic adjusting lifting device for coating, including rotating part and lifting component, the rotating part and lifting component are wirelessly connected with controller, the rotating part includes bottom support, the bottom support is provided with object placing table, the central position of the object placing table is provided with recess, the recess is fixedly connected with large belt pulley by transmission shaft, the object placing table is provided with speed reducer motor between bottom, the speed reducer motor is connected with controller, the utility model combines rotating part and lifting component, white mould is stably placed on object placing table, staff controls speed reducer motor by controller, then according to the size of white mould, staff controls lifting hydraulic component on operating platform by controller, after being raised to corresponding height, the spraying of white mould is carried out, so that the thickness of the sprayed white mould is consistent, and the production efficiency and product qualification rate are improved.

The application provides a fireproof mortar laying device, which comprises a supporting assembly, a positioning assembly, a forming assembly and a storage assembly. The supporting assembly comprises supporting pieces connected in the circumferential direction and forming an enclosed circle. The positioning assembly comprises a positioning circle and a positioning unit. The positioning circle is arranged outside the wire pipe and connected to the enclosed circle. The positioning unit comprises positioning shafts which are distributed in the circumferential direction of the enclosed circle. The positioning shafts move radially relative to the enclosed circle. The first end of the positioning shafts abuts the circumferential outer wall of the wire pipe, so that the wire pipe and the enclosed circle are concentric. The forming assembly comprises a forming die which moves radially relative to the enclosed circle to form a forming cavity surrounding the wire pipe. The storage assembly is communicated with the forming cavity and delivers fireproof mortar to the forming die. Through the concentric arrangement of the supporting assembly, the positioning assembly, the forming assembly and the wire pipe, the thickness of the fireproof mortar laid in the circumferential direction of the wire pipe by the forming die is ensured to be uniform, thereby improving the fireproof sealing property of the wire pipe.

The utility model relates to the field of pipeline maintenance, in particular to a fixing device for foaming a gathering and transportation pipeline, which is used in a thermal insulation layer between an inner pipe and an outer pipe of the gathering and transportation pipeline and comprises a clamping ring, the clamping ring is used for clamping the inner pipe of the pipeline, and an anti-skidding layer is arranged on the outer wall of the clamping ring in the circumferential direction. The anti-skid layer is used for abutting against the inner wall of the pipeline outer pipe. The clamping ring is provided with a limiting device, the limiting device moves towards the inner pipe in a reciprocating mode, the clamping ring is further provided with a limiting device, the limiting device vertically moves on the clamping ring in a reciprocating mode, and the limiting device can abut against the inner pipe of the pipeline after being pressed downwards. In this way, an operator can control the limiting device to abut against the inner pipe of the pipeline, the inner pipe of the pipeline and the clamping piece are combined into a whole through abutting, and the situation that in the foaming process, the foaming material generates impact force on the clamping ring, so that the clamping ring displaces, and consequently foaming is uneven is avoided.

The application discloses an aluminum non-stick pot and a production equipment, and belongs to the technical field of aluminum non-stick pot production equipment. The aluminum non-stick pot comprises a pot body, and a coating is uniformly sprayed on the circumference of the pot body; the production equipment comprises a flow line, an extension device and a spraying device. The aluminum non-stick pot and the production equipment thereof can automatically identify pot bodies with different diameters, and match the speeds of the pot bodies with different diameters, so that the linear speeds at the maximum diameters of the pot bodies with the same size are basically consistent during spraying, thereby improving the uniformity of the spraying on the surface of the pot body, the coating thickness on the surface of the pot body with different sizes is basically consistent, the flow of each position nozzle is automatically adjusted according to the arc on the pot body, the coating on the side surface of the pot body with different diameters is basically consistent at the same rotating speed, and the uniformity of the spraying on the surface of the pot body is further improved.

This invention relates to the field of lithium battery technology, and in particular to a method for preparing a lithium-ion battery cell. The invention discloses a method for preparing a lithium-ion battery cell, comprising: first, preparing a positive electrode slurry containing modified titanium aluminum carbide, graphene oxide, etc., and a negative electrode slurry containing aminated carbon nanotubes, zinc aluminum spinel, etc., both processed according to specific proportions and processes; second, coating the positive and negative electrode slurries separately onto a current collector, and obtaining positive and negative electrode sheets through drying, coating with a coating agent, etc.; next, preparing a composite separator coated with a separator coating agent and curing it; finally, winding the separator in a positive-separator-negative-separator sequence, and obtaining a lithium-ion battery cell through drying, encapsulation, electrolyte injection, formation, etc.

The utility model discloses a carbon fiber water stop screw which comprises a screw body, a sleeve is fixedly connected to the middle of the screw body, a plurality of water stop pieces are fixed to the sleeve, screw holes are formed in the two ends of the screw body, end rods are connected to the two ends of the screw body in a threaded mode through the screw holes, and the diameter of the end rods is the same as that of the screw body. The end rod is in threaded connection with a limiting plate and a positioning sleeve, the limiting plate can be in threaded connection with the screw main body by screwing the limiting plate, a plurality of supporting rods are pivoted on the positioning sleeve, the end parts of the supporting rods are rotationally connected with hooks through rotating bearings, a plurality of positioning rods matched with the supporting rods are fixed on one side, facing the positioning sleeve, of the limiting plate, and the hooks are hung on the corresponding positioning rods. After pouring is completed, the screw rod body is buried in concrete, the end rod and the limiting plate can be taken down from the screw rod body for use next time, and waste of materials is reduced.

This invention discloses a method for preparing a WO3 photoanode rich in (002) crystal planes. The method employs a hydrothermal process, using sodium tungstate as the tungsten source. Hydrochloric acid is added to precipitate the sodium tungstate aqueous solution, followed by the addition of oxalic acid and hydrochloric acid to form a hydrothermal precursor. A WO3 seed layer is added to the hydrothermal precursor for a hydrothermal reaction, followed by annealing to obtain a WO3 photoanode film rich in (002) crystal planes. This method is simple, and the prepared WO3 rich in (002) crystal planes exhibits higher photocurrent density, more active sites for water oxidation, and superior hydroxyl radical generation compared to WO3 rich in (200) crystal planes. It also demonstrates good stability and highly efficient tetracycline degradation capabilities.

The invention provides a manufacturing method of a semiconductor device, which comprises the following steps of: providing a semiconductor substrate comprising a first pattern region and a second pattern region, and performing floating gate polycrystalline silicon deposition on the semiconductor substrate to form a first polycrystalline silicon layer; the pattern density of the first pattern area is greater than that of the second pattern area; performing ion implantation on the first polycrystalline silicon layer, and forming an oxide layer on the top surface of the first polycrystalline silicon layer; protecting the oxide layer of the second pattern area and etching the oxide layer of the first pattern area; performing chemical mechanical polishing treatment on the first polycrystalline silicon layer in the first pattern area and the oxide layer and the first polycrystalline silicon layer in the second pattern area; and generating the semiconductor device based on the first polycrystalline silicon layer after the chemical mechanical polishing treatment. The thickness of the polycrystalline silicon layer in the areas with different pattern densities can be ensured to be consistent, so that the reliability of the semiconductor device is improved, and the process is simple and convenient, high in flexibility and easy to implement.

This utility model relates to the field of aerogel felt technology and discloses a plug-in aerogel felt board, characterized in that it includes an insulation layer, a reinforcing mesh, and several snap-fit ​​components. The insulation layer includes aerogel felt, and the snap-fit ​​components include a fixing seat and a plug. The fixing seat is inserted into the aerogel felt and located at one end of the insulation layer. The end of the fixing seat located inside the aerogel felt is provided with several locking blocks. The plug is inserted into the aerogel felt and located at the end of the insulation layer away from the fixing seat. The end of the plug near the locking blocks has a stepped groove that can engage with each locking block. The reinforcing mesh is wrapped around the insulation layer. The outer wall of the reinforcing mesh is coated with cement mortar or organic adhesive to form a wrapping layer, or the outer wall of the reinforcing mesh is wrapped with an air-barrier membrane to form a wrapping layer. Wrapping the outer wall of the reinforcing mesh with a wrapping layer can effectively reduce dust shedding caused by the loose structure of the aerogel felt during use, thus avoiding dust pollution and preventing the aerogel felt itself from being damaged, which would lead to a decrease in insulation performance.

The invention relates to the technical field of chip packaging, in particular to a packaging device based on electronic component processing. Comprising a packaging table which is sequentially provided with a feeding and discharging station, a glue injection station, a cover plate feeding station and a press fitting station in the clockwise direction, a rotating frame rotationally connected to the packaging table, and four packaging assemblies installed on the packaging table in an array mode, and each packaging assembly comprises a coupling shaft rotationally connected to the rotating frame, a driven shaft and a material bearing frame slidably connected to the rotating frame; the coupling shaft is rotationally sleeved with a sleeve shaft, the coupling shaft is provided with a swing assembly for driving the driven shaft to swing in a reciprocating mode, the sleeve shaft is in transmission connection with a first synchronous belt, the first synchronous belt is in transmission connection with the driven shaft, the rotating frame is further rotationally connected with a first wheel shaft, an eccentric cam is fixedly installed on the first wheel shaft, and the first wheel shaft is rotationally connected with a second wheel shaft. The method has the beneficial effects that through a three-dimensional collaborative disturbance mechanism, the problems of non-uniform glue filling, vacant corners and bubble residues in traditional chip packaging are solved.

The utility model discloses a release film coating device. The release film coating device comprises a coating frame, an exhibit roller body and a coating assembly, the coating frame is used for supporting a film material reel, and the tension and the guiding direction of a film material are controlled through the unwinding roller frame, the guiding roller and the tension adjusting roller. The exhibit roller body is provided with the spindle curved surface and the extending edges of the double-spiral convex edge structure, the film material can be effectively guided, and the smoothness in the coating process can be guaranteed. The coating assembly comprises an end guide seat and a spraying pipe, the spraying pipe is connected with the exhibit roller body through the end guide seat and can transversely reciprocate in the coating process, and it is ensured that a coating is evenly sprayed. The device can effectively avoid the problems of wrinkles, non-uniform tension and the like of the film material in the coating process, and ensures that a coating on the surface of the film material is uniformly distributed, so that the coating quality and the production efficiency are improved.

The invention discloses a material distribution device and system for belt type drying equipment, relates to the technical field of material conveying, and mainly aims to improve the uniformity of material distribution in the width direction of a mesh belt of a belt type drying machine. According to the main technical scheme, the material distribution device of the belt type drying equipment comprises a spiral conveying mechanism, the spiral conveying mechanism comprises a conveying pipe and a spiral blade, the spiral blade is coaxially arranged in the conveying pipe, a feeding port is formed in the upper side of one end of the conveying pipe, and a first spiral discharging port is formed in the side face of the other end of the conveying pipe; the shaft side of the other end of the conveying pipe is sleeved with the adjusting pipe, the adjusting pipe covers the first spiral discharging opening, and a second spiral discharging opening is formed in the side face of the pipe wall of the adjusting pipe; the projection of the first spiral discharge port on the vertical plane is a first projection line, the projection of the second spiral discharge port on the vertical plane is a second projection line, the first projection line has a first dip angle in the material conveying direction of the spiral conveying mechanism, the second projection line has a second dip angle, and the first dip angle is larger than the second dip angle.