105results about How to "Avoid quality defects" patented technology

The invention discloses efficient cleaning equipment for finished optical glass lenses, and belongs to the technical field of optical lens conveying, the efficient cleaning equipment comprises a centralized heating tank body and a conveying track seat which are arranged on a supporting seat, a detachable tank cover is arranged at the end part of the centralized heating tank body, and the detachable tank cover is connected with a fixed-distance conveying disc through a pushing conveying piece; and a lens sticky glue impurity cleaning unit, a lens rotary deburring unit and a conveying unit are sequentially arranged on the two sides of the conveying track base. The lens slicing device is designed for solving the problem that burrs exist after lenses are sliced, and in the process that the lenses are conveyed one by one through the conveying grooves in the interval type conveying belt, the suction cup type driving pieces arranged on the two sides of the conveying rail base drive the lenses to rotate; and in the rotating process, the original right-angle cutting edge is gradually ground into an inclined surface through the burr trimming piece, so that the burrs on the cutting edge are treated, the quality defect caused by the fact that the burrs enter a mirror surface in the subsequent double-sided grinding process is avoided, and the sheet forming rate of lens processing is remarkably improved.

The invention discloses high-performance concrete prepared from muck and a production process of the high-performance concrete, and relates to the technical field of concrete. The high-performance concrete prepared from the muck is characterized in that the high-performance concrete is prepared from cement, the muck, an active agent and water; wherein the weight part ratio of the cement to the muck to the active agent to the water is # imgabs0 #; wherein the # imgabs 1 # is the weight of the muck in unit volume, the # imgabs 2 # is the weight of the cement filled in the void volume of the muck, the # imgabs 3 # is the weight of the active agent filled in the void volume of the cement, and the # imgabs 4 # is the weight of the water determined based on the specific surface areas of the muck, the cement and the active agent. The concrete mix proportion is calculated by adopting a void volume filling method of unit volume; the submicron or nano-scale inorganic filling material is used for compacting pores and playing a role in rolling ball sliding among particles, so that the working performance of the concrete is improved.

The invention discloses a canal channel construction area excavation quality three-dimensional visualization control system, and belongs to the technical field of constructional engineering. The system comprises a three-dimensional scanning device, a data processing device, a three-dimensional visualization display module, a quality comparison detection module, a system control decision module, a remote communication monitoring module and a historical data storage module. The data are compared with a standard three-dimensional model generated by a design drawing, a deviation area is accurately detected, the construction precision and quality are improved, it is ensured that construction always meets design requirements, real-time data of a construction site are converted into the three-dimensional model, constructors are helped to rapidly recognize problems and adjust the problems in time, and the construction efficiency is improved. According to the invention, automatic correction suggestions are provided for constructors, the construction method, equipment selection and resource allocation are optimized, the construction efficiency is greatly improved, and the remote and high-efficiency construction requirements can be met through remote communication and remote control functions.

The invention belongs to the technical field of crystallizer casting powder, and provides crystallizer casting powder for medium carbon steel and a preparation method of the crystallizer casting powder. The crystallizer casting powder comprises the following raw materials: 20-40 parts of wollastonite, 20-40 parts of magnesium slag, 2-6 parts of quartz, 1-5 parts of bentonite, 2-6 parts of flint clay, 3-10 parts of fluorite, 1-3 parts of sodium carbonate, 1-2 parts of manganese carbonate, 3-7 parts of boron glass powder, 2-4 parts of magnesia powder, 6-10 parts of a carbon material and 2-4 parts of a modified binder. The crystallizer casting powder disclosed by the invention is reasonable in proportion of chemical components, has proper melting speed and viscosity, effectively ensures the thickness of a liquid slag layer, and can be uniformly consumed, so that the continuous casting process is ensured to be carried out smoothly, and the quality defects of corner cracks, narrow edge bulging, corner transverse cracks and the like of a medium carbon steel casting blank are avoided.

The invention relates to the technical field of wharf building construction, and provides a cantilever breast wall structure, a forming method and a wharf berth system.The cantilever breast wall structure comprises a prefabricated supporting structure, and the top face elevation of the prefabricated supporting structure is larger than or equal to the local minimum tide height; and the post-pouring wall body structure is connected to the top surface of the prefabricated supporting structure. The technical problems that in the prior art, an on-site formwork erecting and pouring mode is adopted for constructing the cantilever breast wall structure, a formwork and the cantilever breast wall structure are prone to deformation and quality defects under tide scouring, the construction difficulty is large, the construction cost is high, and the construction quality is difficult to guarantee can be solved.

The invention provides a textile fabric anti-ultraviolet performance detection device, and relates to the technical field of fabric detection, the textile fabric anti-ultraviolet performance detection device comprises an unwinding mechanism, a first traversing mechanism, a second traversing mechanism and an adjusting traversing mechanism. The unwinding mechanism is used for unwinding and winding the to-be-detected cloth; cloth horizontally penetrates through the first transverse penetrating mechanism and the second transverse penetrating mechanism. The adjusting and penetrating mechanism has a first state and a second state which can be switched, so that the cloth can horizontally extend in the first state, and a downward arc-shaped recess and an upward arc-shaped bulge are formed in the second state. The linear ultraviolet sensor detection mechanism is used for detecting the ultraviolet transmittance of the cloth in the horizontal state; and the arc ultraviolet sensor detection mechanism is used for detecting the ultraviolet transmittance of the arc part of the cloth. The method can accurately detect the ultraviolet permeability of the fabric in different forms, is suitable for quality evaluation of anti-ultraviolet functional textiles, and reduces the quality defects after the textile fabric leaves a factory.

The invention discloses a control method for improving the shape of a cold-rolled high-strength steel plate. The control method comprises the following steps that a high-strength steel casting blank is taken to be subjected to rough rolling, finish rolling, laminar cooling, coiling, acid rolling and continuous annealing. The high-strength steel obtained through the control method comprises the following components in percentage by mass: 0.05%-0.20% of C, 1.30%-3.0% of Mn, 0.20%-1.30% of Si, 0.010%-0.030% of Als, less than or equal to 0.016% of P, less than or equal to 0.0025% of S, less than or equal to 0.004% of N, 0.010%-0.80% of Cr, 0.003%-0.060% of Nb, 0.003%-0.080% of Ti, 0.002%-0.50% of Mo and the balance of Fe and inevitable impurities. According to the control method for improving the shape of the cold-rolled high-strength steel plate, by comprehensively controlling hot rolling, acid rolling and subsequent continuous annealing processes, the product has a good plate shape, quality defects in production are reduced, and the plate shape before use by a user is guaranteed. The control method is simple and easy to implement, extra thickening and equipment increasing are not needed, and the method can be implemented on an existing conventional production line.

The invention provides a temperature and humidity intelligent real-time monitoring and alarming system which comprises the steps that a main controller calculates a temperature load in a drying cabin according to a shell drying heat transfer model, calculates a humidity load according to a shell drying mass transfer model, and obtains a first working parameter of a temperature control machine and a second working parameter of a humidity control machine according to the temperature load and the humidity load; controlling a humidity controller to regulate and control the temperature and humidity in the drying cabin based on the first working parameter and the second working parameter; and the alarm carries out statistical calculation on the temperature average deviation and the humidity average deviation in a set period, and if the temperature average deviation is greater than a first threshold value and / or the humidity average deviation is greater than a second threshold value, an alarm signal is output. According to the scheme, accurate control over the temperature and humidity in the shell-making drying cabin of the single-crystal turbine blade can be achieved, and when the temperature and humidity control effect is difficult to reach the expected target, alarm processing can be conducted in time so as to reduce the probability that the shell of the single-crystal turbine blade has quality defects.

The utility model relates to the technical field of seamless steel tube processing, and discloses a seamless steel tube cold drawing device which comprises a base, a mounting plate is arranged above the base, four clamping mechanisms are arranged on the outer surface of the mounting plate, each clamping mechanism comprises a fixing frame mounted on the outer surface of the mounting plate, and a first motor is mounted on the outer surface of each fixing frame. The four clamping mechanisms surround the steel pipe and are matched with the first motor, the first threaded rod and the non-slip mat, pressure is evenly applied from multiple directions, meanwhile, the four electric push rods drive the top plate to jack up the inner wall of the steel pipe, the four electric push rods are matched with the four clamping mechanisms, the risk that a mold falls off is remarkably reduced, and the clamping stability is improved; the operation flexibility and applicability are enhanced, the steel pipe is effectively prevented from shaking and deviating, the quality defect is reduced, the qualified rate of finished products is improved, the shutdown overhaul frequency is reduced, the production continuity is guaranteed, in addition, potential safety hazards are eliminated, and a powerful guarantee is provided for safe production.

The invention discloses a cigarette case conveying channel, and relates to the technical field of cigarette case manufacturing and conveying equipment. The cigarette case conveying device comprises a first conveying belt, a second conveying belt and a leading-in mechanism, a conveying channel for conveying cigarette cases is arranged between the first conveying belt and the second conveying belt, and the leading-in mechanism is arranged between an inlet of the conveying channel and a cigarette case outlet of the gluing equipment in a communicating mode; the guiding-in mechanism comprises two limiting assemblies which are oppositely arranged up and down, a guiding-in channel is formed between the two limiting assemblies and used for guiding the cigarette case to enter the conveying channel from the gluing equipment, and the limiting assemblies are further used for making contact with and limiting adhesive box paper at the lap joint position of the end face of the cigarette case. According to the cigarette case conveying channel, the leading-in mechanism is arranged at the front end of the conveying channel, the leading-in channel communicating the conveying channel with the cigarette case outlet of the gluing equipment is formed, and therefore a cigarette case lap joint opening is effectively prevented from being opened before glue is dried and solidified, the cigarette case is guided into the conveying channel through the leading-in mechanism, and cigarette case conveying blockage is avoided.

The invention discloses an arcing welding method for a butt welding seam of engineering machinery, which comprises the following steps: S1, butting the end parts of two butt welding plates to form a welding seam gap, and fixing support blocks below the two ends of the welding seam gap, so that arc-shaped grooves in the support blocks are aligned with the position of the welding seam gap; s2, a run-on plate is placed on the supporting block, the inner end of the run-on plate abuts against the welding gap of the two butt welding plates, and meanwhile an arc-shaped notch in the inner end of the run-on plate is aligned with the position of the welding gap; and S3, the run-on plate is fixed to the supporting block. The supporting block and the run-on plate are matched to form a welding pool at a welding seam of the plate needing to be welded, so that during welding, the quality defect of a welding seam end caused by insufficient fusion of a welding seam gap due to welding molten iron loss in a conventional welding method is avoided, and the quality reliability of the welding quality of the welded plate is ensured.

The invention belongs to the field of wafer processing, and discloses a wafer grinding method based on an acoustic emission signal, which can avoid the quality defect of a ground wafer, and comprises the following steps: propping a predetermined wafer against a basic grinding surface, and grinding the predetermined wafer through the relative rotation of the basic grinding surface and the predetermined wafer. An acoustic emission signal of a predetermined wafer is obtained in real time, the abutting force on the predetermined wafer is adjusted based on the acoustic emission signal, the predetermined wafer is abutted through a grinding entity, an acoustic emission sensor is embedded in the grinding entity, and the grinding entity is composed of a plurality of grinding sub-entities corresponding to different radial directions of the predetermined wafer in a matched mode. The adjacent grinding sporocarp bodies can relatively move in the vertical direction, and therefore the multiple grinding sporocarp bodies correspondingly apply different abutting force in the radial direction of the preset wafer. The invention further discloses a wafer grinding device which is used for grinding the wafer grinding method in real time.

The present application relates to the technical field of feed processing, and particularly relates to a preparation method of Maotai-flavor distiller's grains fermented feed, which comprises the following steps: drying treatment based on the moisture content of Maotai-flavor distiller's grains to obtain basic distiller's grains; determining the strain ratio of brewer's yeast, bacillus subtilis and aspergillus niger based on the tannin content of the basic distiller's grains to obtain a compound fermentation inoculant; inoculating and then fermenting; determining state evaluation parameters based on the total polyphenol accumulation rate, the dissolved oxygen consumption rate and the microbial activity index during the fermentation process, and performing qualified evaluation, and dynamically adjusting when unqualified; determining the fermentation end point based on the tannin degradation rate and the total polyphenol accumulation rate; and mixing the fermented distiller's grains with the basic feed at a mass ratio of 1% after low-temperature drying of the fermented distiller's grains. The present application realizes three-layer control of raw material evaluation, process control and end point determination, significantly improves the stability and content of functional active ingredients in the product, reduces the tannin and safety risk, and has a good intestinal health improvement effect on animals.

The invention discloses a Q235G continuous casting billet and a rolling method thereof. In the rolling process, the mass ratio of Mn to S is controlled to be larger than or equal to 8.5. According to the method, the Mn alloy is added in the tapping procedure, and the content of the Mn element in the molten steel is adjusted again according to the content of the S element in the LF refining process, so that the mass ratio of Mn to S reaches that Mn / S is larger than or equal to 8.5, the hot brittleness phenomenon caused by precipitation of low-melting-point FeS at the grain boundary is avoided, the strength, high-temperature plasticity and forging plasticity of the Q235G steel are improved, and the quality of the Q235G steel is improved. And it is guaranteed that the blank has better extensibility and fluidity in the rolling process, and the quality defect that the blank is rolled through in the rolling process is avoided.

The invention provides a construction method for a waffle plate with a detachable whole cylinder, and belongs to the technical field of waffle plate construction.The construction method for the waffle plate with the detachable whole cylinder comprises the steps that formwork matching is conducted on the construction position of the waffle plate according to a construction drawing, and vertical rod paying-off, all-round scaffold erecting, measuring marks and formwork installing are conducted on the construction position; cleaning the surface of the building template, placing a waffle template datum line, and popping an ink line; lofting is conducted according to the datum line, and a waffle cylinder base is laid; waffle plate reinforcing steel bars are bound, a cylinder body and a cylinder cover are installed, a top batten is firmly pressed, and the ends of the batten are bound and fixed to the waffle plate reinforcing steel bars; the front half part of the waffle plate concrete is poured, the top batten is dismantled when the front half part of the waffle plate concrete is half-dry, and the waffle plate concrete continues to be poured; the problems that in the construction process of the waffle plate, due to the fact that the beam height is high, the construction space is narrow, bottom steel bars are difficult to bind, and the construction progress and the construction quality are unfavorable can be solved.

The utility model relates to a roofing parapet wall shaping stretchable formwork reinforcing device which comprises two wood formworks, the two wood formworks are arranged on the two sides of a to-be-poured parapet wall respectively, the length of the wood formwork on the outer side of the to-be-poured parapet wall is larger than that of the wood formwork on the inner side of the to-be-poured parapet wall, a plurality of wood braces are fixedly arranged on the side walls of the two wood formworks respectively, and the wood braces are arranged on the two sides of the to-be-poured parapet wall. A plurality of right-angle square steel pipes are fixedly arranged at the internal corner, making contact with a structural face, of the square wood column, each right-angle square steel pipe is formed by vertically welding two telescopic square steel pipes, and the telescopic square steel pipes corresponding to the right-angle square steel pipes are arranged outside the square wood column on the outer side of a parapet wall to be poured. According to the utility model, the reinforcing height of the parapet wall can be flexibly adjusted, and the reinforcing effect of a template supporting system is improved; quality defects caused by a traditional reinforcing method are avoided, and the risk of leakage of the roof in the later period is avoided; and meanwhile, the cost investment of the steps of cutting embedded steel bar heads and steel pipes, treating cutting parts and the like after formwork removal in a traditional method can be reduced.

The utility model discloses a dust removing device before spraying of a metal piece, which relates to the field of dust removal of the metal piece and comprises a removing box, a mounting plate is connected to the top of the interior of the removing box, a high-voltage generator is mounted and connected on the mounting plate, an electrode is further mounted and connected on the mounting plate, and the high-voltage generator is connected with the electrode. The high-voltage generator and the electrodes are electrically connected with a controller installed and connected to the outer wall of the removing box. A channel opening is formed in the side wall of the cleaning box, a dust collecting plate capable of entering and exiting the cleaning box along the channel opening is arranged on the channel opening, the dust collecting plate is used for containing the metal parts, the metal parts are driven by the dust collecting plate to enter the cleaning box, and dust removal is conducted in the cleaning box. By means of the dust removing device, metal impurities and dust attached to the surface of the metal piece can be removed, so that the quality of an anti-corrosion paint protection layer sprayed to the surface of the metal piece is guaranteed, the spraying qualification rate is increased, reworking of the metal piece caused by the spraying quality defect is reduced, and the purpose of saving cost is achieved.

This invention discloses a novel electroplating method for integrated circuits, belonging to the field of semiconductor manufacturing technology. The method includes: Step 1: preparing a wafer and coating a positive photoresist layer on the wafer; Step 2: shielding the edge region of the positive photoresist layer using a shielding ring; Step 3: exposing the positive photoresist layer on the wafer, wherein the edge region is not exposed due to being shielded by the shielding ring; Step 4: developing the exposed positive photoresist layer to form a window structure on the positive photoresist layer on the wafer, while retaining the unexposed positive photoresist layer in the edge region, thereby forming a continuous region without windows in the edge region. This invention can improve the plating defects of positive photoresist at the wafer edge, enhance the quality and yield of bump fabrication and packaging, and can be applied to all bump fabrication and packaging fields.

The utility model relates to the technical field of casting machines, in particular to a polyurethane film casting machine. According to the technical scheme, the device comprises a box body, a driving mechanism and an adjusting mechanism, the driving mechanism is fixedly installed on one side of the box body and comprises a first shaft frame, a servo motor is fixedly installed on one side of the first shaft frame, a measuring roller is fixedly installed at the output end of the servo motor, and an encoder fixedly connected with one end of the measuring roller is fixedly installed on the other side of the first shaft frame. The servo motor is powered on to drive the measuring roller to rotate, the rotating measuring roller can conveniently wind and unwind a thin film wound in the winding disc, the encoder is powered on to monitor the number of rotation turns of the measuring roller in real time, the number of rotation turns is transmitted to the controller to be calculated, and the real-time thin film winding and unwinding speed can be obtained. When the controller calculates that the film winding and unwinding speed exceeds a preset value, the electromagnetic valve pipe is controlled to be powered on and closed, and the functions of overload protection and emergency treatment are achieved.

The invention discloses a preparation method of oxilafluorine, which comprises the following steps: taking 2-(octadecyl amino)-ethanol and halogenated propylene as raw materials, and directly preparing oxilafluorine by a one-pot method through catalytic coupling reaction, addition reaction and hydrofluoric acid salifying reaction under the action of a copper catalyst. According to the synthesis method, the total reaction yield reaches up to 95%, the chemical selectivity of each step of reaction is high, no by-product is generated, and the catalyst can be repeatedly used; the separation and purification method is simple and efficient, and large-scale industrial production is realized; and a novel synthesis method is provided for the oxilafluorine and similar compounds.

This utility model relates to the field of port engineering construction equipment, and discloses a drainage ditch forming device, including a template system, a support assembly, an expansion joint forming assembly, and a concrete pouring thickness monitoring assembly. The template system consists of parallel inner and outer templates forming a cavity that matches the cross-section of the drainage ditch. Double-sided waterproofing strips are pasted at the template joints to prevent grout leakage. The support assembly secures the templates with tie bolts and steel pipe supports, ensuring stability during concrete pouring. The expansion joint forming assembly consists of a vertically arranged foam rubber sheet within the cavity and positioning components fixed to the inside of the template, used to prefabricate expansion joints during pouring. The thickness monitoring assembly consists of an array of ultrasonic thickness sensors arranged along the height of the inner template to detect the concrete pouring thickness in real time. This device effectively prevents grout leakage, maintains template positioning accuracy, prefabricates expansion joints, and monitors pouring thickness, improving the construction quality and efficiency of drainage ditches.

The utility model discloses a multi-station rubberizing mechanism and a rubberizing machine. The multi-station rubberizing mechanism comprises a workpiece conveying piece, a rubberizing structure and a rubberizing structure, the workpiece conveying part is provided with a rubberizing station, a glue outlet structure is arranged on the outer side of the rubberizing station, at least two stations to be taken with glue are arranged side by side at the position, corresponding to the rubberizing station, of the glue outlet structure, and the glue taking structure is provided with a horizontal multi-joint mechanical arm and a lifting glue taking and placing assembly. A rotary lifting part of the horizontal multi-joint manipulator is provided with at least two lifting glue taking and placing assemblies, and the lifting glue taking and placing assemblies are in one-to-one correspondence with the stations to be subjected to glue taking; the lifting adhesive taking and placing assembly for obtaining the double-faced adhesive tape on the at least two stations to be subjected to adhesive taking at a time is driven by the horizontal multi-joint mechanical arm to be switched between the stations to be subjected to adhesive taking and the adhesive pasting station. When the workpiece conveying piece is conveyed, at least two rows of workpieces are directly conveyed at a time, the adhesive discharging structure provides at least two double-faced adhesive tapes at the to-be-taken adhesive tape station at a time, the adhesive tape taking structure can adsorb all the double-faced adhesive tapes at the to-be-taken adhesive tape station at a time and transfer the double-faced adhesive tapes to the adhesive tape pasting station for adhesive tape pasting, adhesive tape pasting of at least two workpieces can be achieved through one-time adhesive tape pasting, and the adhesive tape pasting efficiency is greatly improved.

The utility model discloses an automatic air hole pricking device for a core setting mould of an engine cylinder block sand core, which relates to the technical field of casting and comprises a bottom plate, an automatic shuttling mechanism and a molding line, an air cylinder component is mounted above the bottom plate, a pricking plate is mounted at the output end of the air cylinder component, a pricking needle is mounted on the pricking plate, and the automatic shuttling mechanism is mounted on the molding line. The automatic air hole pricking device comprises a bottom plate, an automatic shuttling mechanism is arranged below the bottom plate, a part taking robot is arranged above the automatic shuttling mechanism, a molding line is arranged below the automatic air hole pricking device, and an automatic core hanging mechanism is arranged between the automatic shuttling mechanism and the molding line. The sand core air hole pricking and core setting actions are synchronously completed through signal induction, so that the air hole pricking efficiency is improved, the quality defect caused by missing pricking of an exhaust hole to a product is avoided, and meanwhile, the number of personnel required by air pricking work is reduced.

The invention provides a part supply device which is used for supplying parts to a desired position. The workpiece supply device comprises a base frame, a first shaft, a second shaft, two conveying belts, a bearing piece, a guide piece and a reset piece. The first shaft is arranged on the base frame, and two rotatable first wheels are arranged on the first shaft at intervals; the second shaft is arranged on the base frame, two rotatable second wheels are arranged on the second shaft at intervals, and the second shaft is closer to the expected position relative to the first shaft; each conveying belt is arranged on the first wheel and the second wheel on the same side in a sleeving manner and can be driven by the first wheel and / or the second wheel; the bearing piece is connected with the base frame, and the bearing piece is arranged to bear the part located at the expected position; the guiding piece is rotatably arranged on the second shaft relative to the second shaft and located between the two second wheels, and the guiding piece can rotate between a triggering position and a guiding position. According to the part supply device provided by the invention, the part supply process is simplified, the working hours are saved, and the quality defects caused to parts are reduced.

The utility model discloses a reverse ridge formwork reinforcing tool which comprises a reverse ridge reinforcing assembly and two side baffles arranged in parallel, the two side baffles are used for defining a limiting space used for forming a concrete reverse ridge in a pouring mode, and the reverse ridge reinforcing assembly is used for limiting the two side baffles. Due to the fact that the U-shaped supports are arranged on the two side baffles, the two side baffles are clamped on the two sides of a concrete reverse ridge formed through pouring, the design effectively avoids the phenomenon of formwork expansion, in addition, through the stable clamping of the side baffles and the supporting effect of the U-shaped supports, it is guaranteed that concrete is evenly distributed in the pouring process, and the occurrence probability of quality defects such as voids and pitted surfaces is reduced.

The utility model relates to the technical field of paper cup production equipment, in particular to a feeding structure of disposable paper cup forming equipment, which comprises a feeding box and a conveyor, a feeding port is arranged at the top end of the feeding box, a guide hopper is inserted in the feeding port, a mounting frame is arranged on the inner side wall of the feeding box, a stirring component is mounted on the mounting frame, and the feeding box is arranged on the conveyor. A discharging opening is formed in the side, close to the conveyor, of the feeding box; a conveyor belt is installed on the conveyor, a limiting frame is installed on the conveyor and located over the conveyor belt, and a lower pressing roller is arranged on the limiting frame. Paper pulp is poured into a guide hopper and flows into a feeding box through the guide hopper, then a servo motor is started, an output shaft of the servo motor drives a stirring assembly to rotate, the stirring assembly comprises two stirring rods, concave-convex blocks are evenly arranged on the stirring rods, and the concave-convex blocks fully stir the paper pulp in the stirring process; impurities and particles in the paper pulp are effectively crushed and dispersed, so that the purity of the paper pulp is improved.

The utility model discloses an automobile interior decoration foamed material processing prestorage device, including lower storage jar and upper storage jar, the upper storage jar fixed connection is in the upper end of lower storage jar, the upper storage jar and lower storage jar are communicated through the intercommunication passage, be equipped with the first electromagnetic valve on the intercommunication passage, the left side of upper storage jar and lower storage jar all have the feeding hopper of intercommunication, be equipped with the first stirring subassembly in the upper storage jar, be equipped with the second stirring subassembly in the lower storage jar, the first stirring subassembly includes the vertical rod of rotation connection in the upper storage jar top, the outer wall of vertical rod is fixedly connected with a plurality of first stirring rod, the second stirring subassembly includes the crosspiece of rotation connection on the inner wall of lower storage jar left and right sides. The device can realize two component materials isolated storage, automatic proportioning mixing, and possess environmental monitoring function's prestorage device to promote the processing efficiency of automobile interior decoration foamed material and product quality, reduce production cost and artificial error.

The utility model discloses a plane boring and milling cutter disc, and belongs to the technical field of boring machining equipment. Comprising a cutterhead body installed on a spindle of the boring and milling machine, a plurality of trapezoidal installation grooves are evenly distributed in the edge of the right side of the cutterhead body in the circumferential direction, cutter tables are installed in the trapezoidal installation grooves, the cutter tables are fixed in the trapezoidal installation grooves through copper plates, pin iron and M10 bolts, and lead screws are arranged on the cutter tables through nut threads; the left end of the lead screw penetrates through the cutter head body and then is provided with a dial. The boring and milling machine is low in cost, simple in structure, high in operation efficiency, low in labor intensity, capable of avoiding quality defects of machined parts, capable of conducting boring and milling cutting through four cutters at the same time, capable of achieving large-area boring through movement of the workbench, free of influences of the positions of the workpieces and capable of achieving boring actions with different cutting amounts according to the position of the dial.

A movable vibration and smoothing system for trestle bridge relates to the technical field of concrete vibration and smoothing, and comprises a walking trolley, a lifting device and a roller shaft type vibration and smoothing device. The walking trolley is installed on the top rail of a tunnel construction trolley, and the height of the roller shaft type vibration and smoothing device is adjusted through the integrated lifting device. The vibration and smoothing device comprises a distributing spiral shaft, a paving roller shaft, a smoothing walking roller shaft and an insert type vibrator, forming a multi-stage cooperative working mechanism. The three cooperative actions of the distributing spiral shaft, the paving roller shaft and the smoothing walking roller shaft improve the uniformity, compactness and surface flatness of concrete paving. The insert type vibrator is arranged between the distributing spiral shaft and the paving roller shaft, can immediately carry out deep layer high frequency vibration after preliminary paving of concrete, effectively removes internal bubbles and prevents quality defects. The auxiliary walking wheel ensures the consistency of the concrete surface flatness and the design elevation.