102results about How to "Avoid uneven thickness" patented technology

The invention relates to the technical field of hardware surface treatment, and particularly discloses a hardware surface oxidation treatment process and system, which realizes accurate control of the growth process of an oxidation film by monitoring the growth rate and the current density value of the oxidation film on the surface of a hardware product in real time, and specifically comprises the following steps: acquiring the growth rate data of the oxidation film; comparing with a preset range to identify an abnormal signal; analyzing the current density value and the correlation between the current density value and the growth rate of the oxide film based on the abnormal signal; the current density is adjusted to a target value according to an analysis result, and it is ensured that the growth rate of the oxidation film meets expectations, the quality and uniformity of the oxidation film can be effectively improved, energy consumption is reduced, the method is suitable for the surface treatment process of various hardware products, the product quality is improved through accurate control over the growth process of the oxidation film, and the production cost is reduced. And the production cost is reduced, and remarkable technical and economic values are achieved.

The invention relates to the technical field of web processing, and discloses a non-woven fiber web cotton pressing device which comprises a conveyor, fixing blocks are fixedly connected to the left side and the right side of the conveyor, two rotating rods are rotatably connected to the inner walls of the two fixing blocks, a motor is started to drive the rotating rods to rotate, and the conveyor is driven by the motor to rotate. A rotating rod drives a pressing roller to rotate through a sliding block to extrude a cotton web, when the pressing roller rotates, a fixing rod is driven to rotate, when the fixing rod moves to a protruding position from a concave position of a concave-convex ring, the fixing rod is extruded, the fixing rod moves towards a motor, the pressing roller is driven to move, and meanwhile a spring reset ring is extruded; when a spring reset ring accumulates resilience force and a pressing roller moves towards a motor, a first connecting rod can be driven to move through an annular groove, a sliding frame is made to move, a rolling wheel rolls on a cotton web, the cotton web is rubbed, fibers are pushed to move to a thin area of the cotton web, the fibers in the cotton web can be further evenly distributed, and local concentration of the fibers is reduced.

The invention relates to the technical field of building construction, in particular to a mandrel anti-floating tool for hollow floor construction and a using method thereof.The mandrel anti-floating tool comprises a center supporting rod, the two ends of the center supporting rod are each provided with a limiting sleeve, and the limiting sleeves are internally in threaded connection with threaded connecting rods; a through hole is formed in the reinforcing steel bar limiting clamp corresponding to the threaded connecting rod, a limiting groove is formed in the reinforcing steel bar limiting clamp corresponding to the structural reinforcing steel bar, the reinforcing steel bar limiting clamp is connected to the threaded connecting rod through a nut, and the side, provided with the limiting groove, of the reinforcing steel bar limiting clamp is located on the side close to the limiting sleeve; the distance between the upper-layer structural steel bars and the lower-layer structural steel bars is controlled through the center supporting rods, the limiting sleeves and the steel bar limiting clamps, uneven thickness of a protective layer caused by floating of the core mold is prevented, quality accidents are avoided, the construction efficiency and quality are improved, and the tool is simple in structure, convenient to operate during use and worthy of being used and popularized in hollow floor construction.

The invention relates to the technical field of coil machining equipment of miniature transformers, and particularly discloses a coil machining device and method of a miniature transformer, and the coil machining device comprises a bearing table, a detection assembly used for detecting coil paint film defects, a sliding assembly used for driving the detection assembly to move, and a fixing assembly used for fixing a coil. The detection assembly, the sliding assembly and the fixed assembly are all mounted on the bearing table, the detection assembly comprises a detection head and a visual camera, a magnetic part is arranged on the detection head, and when the detection head is screwed into a coil, the magnetic part can apply an alternating magnetic field to the coil, so that eddy current is generated on the coil, and the paint film defect of the coil is detected through an eddy current signal; the visual camera is arranged on the bearing table and can detect the outer ring of the coil. The device has the effects of detecting paint film defects on the outer peripheral side and the inner peripheral side of the miniature transformer coil, taking remedial measures aiming at the defects, effectively reducing the production cost and improving the production efficiency.

The utility model relates to a chemical fiber yarn side blowing cooling device which comprises n layers of cooling unit modules, n is a natural number larger than 0, each cooling unit module comprises a cooling part and a side air pipe, the interior of each cooling part is hollow to form a yarn passing channel, k-1 connecting air channel units are arranged on the right side of the kth layer of cooling unit module, k is larger than 0 and smaller than or equal to n, and k is a natural number; the pth connecting air duct unit of the kth layer is communicated with the (p-1) th connecting air duct unit of the (k-1) th layer, p is larger than 0 and smaller than or equal to (k-1), p is a natural number, and when p-1 is equal to 0, the pth connecting air duct unit of the kth layer is communicated with the side air pipe of the (k-1) th layer; and the nth layer of side air pipe and the connecting air duct unit are respectively and independently communicated with the cold air source device. According to the utility model, the wind force applied to the chemical fiber is uniform and proper, the difference of the wind speeds applied to different positions of the chemical fiber is reduced, and the finished product quality of the chemical fiber is improved.

The invention relates to the technical field of semiconductor manufacturing, in particular to a pore sample with large depth, and provides a method for observing a bottom structure by preparing the pore sample through a focused ion beam (FIB). According to the method, by means of filling special resin for ion thinning into pores, introducing an improved back-cutting technology and the like, the problems of pore structure deformation and large damage of focused ion beams to the interiors of the pores during sample preparation in the prior art are solved; the method has the technical effects that the stability of the bottom structure of the pore sample can be improved, and damage to the pore structure in the thinning process is avoided.

The invention provides a pole piece rolling control method and a pole piece rolling device.A pole piece is rolled according to a rolling pressure value and a rolling speed, the current pole piece thickness of the rolled pole piece is collected, and the thickness adjusting amount is determined according to the current pole piece thickness, the historical pole piece thickness within a preset time period and the preset target pole piece thickness; according to the current pole piece thickness, the historical pole piece thickness, the target pole piece thickness, the preset thickness deviation interval, the rolling speed and the preset maximum speed, a speed increasing signal is generated, the pole piece is unwound, the unwinding diameter is collected, the pole piece is wound, the winding diameter is collected, the rolling pressure value is adjusted based on the thickness adjusting amount, and the rolling speed is adjusted based on the rolling pressure value. And the rolling speed is adjusted based on the winding diameter, the unwinding diameter, the rolling speed and the speed increasing signal. Therefore, the working efficiency is improved while the uniform thickness of the pole piece is ensured, and manual intervention is not needed in the pole piece rolling control process, so that manpower is saved.

The invention discloses an optical lens coating device and a coating method thereof, and relates to the technical field of optical lens coating. The device comprises a supporting column, the top of the supporting column is fixedly connected with a coating device shell, and the outer side of the coating device shell is rotationally connected with a device door; an auxiliary assembly used for simplifying the coating process and enabling a coating material to be more evenly distributed on the surface of the lens is arranged in the coating device shell, and an anti-falling assembly used for preventing the optical lens from falling in the overturning process and improving the production flexibility is arranged outside the auxiliary assembly. Through cooperative use of a first cylinder, a sliding column, a groove and a triangular block in the auxiliary assembly, the placement frame is turned over in the optical lens coating process, the triangular block is located in the groove, the triangular block and the groove are combined to enable the groove to form a triangular sliding way with a convex groove on the outer surface of a fixed cylinder, the triangular sliding way enables the sliding column to turn over inside, and therefore the optical lens coating effect is improved. And the overturning lens can ensure that the two surfaces can uniformly receive the coating material.

The utility model relates to the technical field of nano microporous plate production, in particular to a nano microporous plate forming machine for nano insulation board production, which comprises a base and a box body, the surface of the base is fixedly connected with the box body, the surface of the box body is provided with an auxiliary blanking device, and the surface of the box body is fixedly connected with a frame. According to the nanometer microporous plate forming machine for nanometer heat preservation plate production, through cooperation of the auxiliary discharging device and the feeding hopper, the feeding hopper is continuously impacted through an impacting rod, nanometer microporous plate raw materials are prevented from being accumulated at the bottom of the feeding hopper, and therefore the nanometer microporous plate forming machine can be used for producing nanometer heat preservation plates; the feeding hopper does not need to be knocked any more, the workload of operators is reduced, the working efficiency is improved, through cooperation of the auxiliary flattening device and the scraping plate, the second sliding block drives the straight rod and the scraping plate to scrape and flatten the surface of a nano-microporous plate raw material on the surface of the box body, the situation that the thickness of an extruded and formed nano-microporous plate is not uniform is avoided, and the working quality is improved.

The invention relates to the technical field of medical instruments, in particular to a muscle group electrical stimulation device based on respiratory muscle force feedback, which comprises a trolley, a cardiopulmonary muscle function therapeutic instrument main body is mounted on the trolley, a plurality of placement drawers are arranged on the trolley in a sliding fit manner, and a storage seat is fixedly mounted on one of the placement drawers. A driving mechanism is rotatably connected into the fixed cover, a movable frame is arranged in the fixed cover in a sliding fit mode, a uniform smearing mechanism is arranged on the movable frame in a sliding fit mode, and an automatic smearing pipe is fixedly connected to the movable frame. When the electrode plate is coated with the conductive gel, the automatic coating pipe is driven to reciprocate, and meanwhile, the automatic coating pipe continuously extrudes the conductive gel, so that the conductive gel can be coated on the electrode plate instead of manual work, the non-uniform phenomenon possibly occurring during manual coating is avoided, and the stability and the accuracy of signal transmission are improved.

The present invention relates to the technical field of washing product production equipment, and in particular to a washing tablet making device, comprising a frame, a drying drum arranged on the frame for drying and forming slurry, a slurry coating mechanism for conveying slurry and loading is arranged on one side of the drying drum, a winding mechanism for winding and forming washing tablets is arranged on the other side, a slitting mechanism for scraping and cutting washing tablets is also arranged between the drying drum and the winding mechanism, a scraping roller for adjusting the thickness of slurry forming is arranged on the slurry coating mechanism, a first online cleaning component is abutted at the bottom end of the scraping roller and at a tangent position thereto; a second online cleaning component for cleaning the surface of the drying drum is arranged at a tangent position thereto at the bottom end of the drying drum. The present invention automatically performs online cleaning by arranging the first online cleaning component and the second online cleaning component to ensure that the slurry is evenly coated on the outer peripheral side of the drying drum without stopping the machine for cleaning, thereby improving the production efficiency of washing tablets.

The invention discloses mechanical part spraying equipment, and relates to the field of spraying equipment.The mechanical part spraying equipment comprises a recycling box, a spraying chamber is fixedly arranged at the top end of the recycling box, a spraying mechanism and an air drying mechanism are arranged in the spraying chamber, a regulation and control assembly is arranged at the top of the spraying chamber, and the spraying mechanism comprises a storage box fixedly arranged at the top end of the spraying chamber; a cover plate is mounted at the top end of the storage box through bolts, and the regulation and control assembly comprises an air inlet cylinder fixedly arranged at the top end of the cover plate. According to the spraying device, by arranging the regulation and control assembly, starting and stopping of spraying are controlled through air, a second motor drives a rotary disc to rotate, the air flowing path is adjusted, spraying work is intermittently carried out, parts are air-dried through an air drying mechanism in the spraying interval, spraying is carried out circularly and intermittently, spraying is carried out while air drying is carried out, and the spraying efficiency is improved. And the situation that excessive undried paint stays on the surface of the part and flows, and the thickness of the coating is uneven is avoided.

The utility model relates to a kind of accurate coating and covering equipment of knee warmer double-chambered ointment, belong to ointment coating and covering equipment technical field.The accurate coating and covering equipment of knee warmer double-chambered ointment, including fixed frame, unwinding wheel and winding wheel, the unwinding wheel and winding wheel are fixedly installed in the side of fixed frame, the side fixed mounting of fixed frame has coating conveying belt, double-chambered coating mechanism, for the double-chambered coating mechanism of the even coating of ointment to the side of coating conveying belt, wherein, the double-chambered coating mechanism includes fixed installation in the side of fixed frame spray medicine machine;Double-chambered coating mechanism is cooperated with coating component by spray medicine machine, and two kinds of ointment are respectively from two chambers staggered and sprayed on the surface of base cloth and are evenly spread, avoid the uneven thickness caused by traditional superposition coating, covering component is synchronously covered after coating is completed and cuts ointment layer and protective film, reduces process transfer and improves production rhythm.

The invention belongs to the technical field of valve production equipment, and particularly relates to valve ball thermal spraying equipment which comprises a machine body, an equipment cavity is formed in the machine body, and a movable cavity door is arranged on the side wall of the machine body; the housing is arranged on the machine body; the heating mechanism is arranged in the housing; the clamping and fixing mechanisms are symmetrically arranged on the left side and the right side in the housing; the control unit is arranged in the equipment cavity; the spraying mechanism is arranged on the machine body and located on the front side of the housing, and the spraying mechanism comprises a spraying nozzle capable of horizontally moving in the width direction and the length direction of the machine body; the coating storage mechanism is arranged in the equipment cavity; wherein the spraying nozzle is connected with the coating storage mechanism, the coating storage mechanism can convey the coating to the nozzle, and compared with the prior art, the thermal spraying effect of the valve ball is improved.

The utility model discloses a spraying device for a wave-absorbing coating on the surface of an EPS (Expandable Polystyrene) foam board, and relates to the technical field of coating spraying. A cleaning assembly is arranged on the upper side of the conveying belt; a mounting frame is arranged on the upper side of the conveying belt; a spraying assembly is arranged at the top of the mounting frame; an angle adjusting assembly is arranged at the bottom of the mounting frame; the spraying end of the spraying assembly is fixedly installed in the supporting assembly. When the angle adjusting assembly is adjusted to be perpendicular to the inclined plane of the foam board and the inclined plane of the foam board is perpendicular, paint can be sprayed to the inclined plane in the perpendicular direction, the problem that the incident angle on the inclined plane is too large is solved, and the paint is prevented from being accumulated on the inclined plane; in the moving process of the foam board, the elastic supporting assembly is pushed to move upwards, the output end of the spraying assembly and the foam board are always kept at the same height, and the coating thickness is kept consistent on the surface of the whole foam board.

The utility model relates to the technical field of plastering tools, and discloses a building construction plastering device which comprises a shell, and a plastering assembly is arranged on the top of the shell. According to the plastering device for building construction, when the mounting plate is in a horizontal state, the shell slightly inclines towards the lower left, so that mortar can flow out through the notch, the rolling wheels roll on the wall surface, then the shell is driven to move on the wall surface, the mortar flows out of the notch and then is ground to be flat by the outer wall of the shell, and the device is kept perpendicular to the wall surface through the supporting effect of the rolling wheels; the constant distance between the notch and the wall surface is ensured, the constant distance enables flowing mortar to be consistent in thickness, so that the effect of uniform plastering is achieved, the problem that the thickness of a mortar layer is not uniform is solved, under elastic deformation of the spring, the push plate is pushed to move towards the notch, then the mortar is pushed to the notch, and plastering on a ceiling is achieved. And the problem of insufficient gravity is solved.

The utility model provides a thickness adjusting mechanism for antistatic film production. According to the thickness adjusting mechanism for antistatic film production, a conveying frame is fixedly connected to the top of a bottom frame, a conveying assembly is mounted at the top of the inner wall of the conveying frame, mounting plates are mounted at the positions, located on the front face and the back face, of the top of the conveying frame correspondingly, and a mounting rod is mounted at the position, close to the top, between the two mounting plates; a telescopic rod is mounted at the bottom of the mounting rod, a pressing roller is mounted at the other end of the telescopic rod through a rotating frame, two limiting rods are fixedly connected to the top of the rotating frame, and a winding assembly is fixedly connected to one side of the conveying frame. According to the thickness adjusting mechanism for antistatic film production, through the structure, an antistatic film can be flatly laid on the conveying assembly to be matched with the pressing roller to adjust the thickness, the thickness of the antistatic film is adjusted under the condition of uniform stress, the problem of uneven thickness caused by uneven stress is avoided, and the production quality of the antistatic film is improved.

The utility model discloses a kind of ceramic body bottle body surface glazing devices, comprising: support frame;Bottom support seat, bottom support seat is set in the inside of support frame;Inner fixed pillar, inner fixed pillar is fixedly connected in the inside of bottom support seat, the beneficial effects of the utility model are: through linear module drive side sliding frame along top support frame horizontal movement, combine the vertical position of glazing box of No. The inside of support piece is driven by the symmetrical transmission structure of two-way screw and moving block, and the synchronous opening and closing of the drive side fixed support is realized. The elastic material silica gel of inner support pad is matched, and the stability of glazing is improved.

The invention relates to the field of sludge dewatering treatment, in particular to a filter plate group for realizing deep sludge dewatering for sludge filter pressing and a sludge filter pressing method. The height of the sludge cavity of the filter plate group is 23-28mm; and filter screens are respectively arranged between the box plate and the filter cloth and between the membrane plate and the filter cloth. Calculating the sectional area of a sludge separation port according to the sludge flow and the sludge injection port flow velocity; the quantitative mud injection amount M required by the filter pressing mud cake is calculated according to the water content of the incoming mud, and quantitative mud injection is adopted. The supporting force of the filter screen effectively ensures the smoothness of the water delivery channel, and ensures that filter liquor obtained through filter pressing is rapidly discharged; the sectional area of the sludge separating hole is calculated to ensure that the sludge is sprayed out of the sludge outlet hole of the cloth clamping device at a certain speed instead of overflowing; and according to the change of the thickness of the mud cake and the water content of the incoming mud, the required mud injection amount is calculated, and the problems of large mud injection amount, long mud injection time, thick mud cake, high water content and the like in the prior art are avoided.

The utility model relates to the technical field of cable sheath processing, in particular to a cable extrusion integrated die, which comprises a die core and a die sleeve, the die core comprises a conical part and a flat part which are inserted into the die sleeve, the center of the die core is provided with a center hole for a cable core to pass through, and the die sleeve is provided with a through hole. The die sleeve comprises a main body part integrally connected with the die core and an adjusting part which is detachably connected with the main body part and is used for replacing and changing the thickness of the sheath. According to the utility model, the sheath is divided into the main body part and the adjusting part, and the concentricity of the sheath is ensured by integrating the main body part and the mold core. The adjusting part can be detached and replaced with different specifications to adjust the molding cavity so as to produce cable sheaths with different specifications and thicknesses, so that the universality of the integrated mold is enhanced; and the adjusting part can be detached to clean the internal molding cavity.

The utility model discloses a wall body plastering thickness control device, including storage box and fixing frame, the storage box is equipped with T shaped rod through the pneumatic cylinder, be equipped with lifting screw rod through the rotation groove on the fixing frame, the inside of fixing frame is equipped with transmission room, two lifting screw rod end portions all extend to transmission room and are connected through the synchronous mechanism, be equipped with with one of the lifting screw rod connection's inside motor in transmission room, two lifting screw rod common screw thread cover set and be equipped with the lifting frame, be equipped with a plurality of mounting plate on the storage box fixedly, the utility model discloses through the engagement of outer motor drive gear and internal gear, realizes the automatic rotation leveling of storage box relative to lifting frame, has solved the problem of big, low efficiency of manual leveling difficulty in prior art, can adapt to the uneven ground scene, ensures that plastering thickness is even.

The present invention provides a control method and system for stabilizing the Taylor cone angle, the method comprising: controlling the particle-containing liquid to be sprayed from a metal nozzle according to a preset flow rate and a preset voltage; obtaining a first prediction factor according to the transmitted light intensity of the particle-containing liquid flowing through a conduit and a trained first neural network; obtaining an image of the Taylor cone angle below the metal nozzle to obtain the current Taylor cone angle; obtaining a second prediction factor according to the current Taylor cone angle and a target Taylor cone angle; and controlling the voltage of a high-voltage generator using a PID controller based on a BP neural network to stabilize the Taylor cone angle. The method uses the first prediction factor as the input of the BP neural network and combines the PID controller based on the BP neural network to control the output voltage of the high-voltage generator, so that the Taylor cone angle can be stabilized, the stability of the spray solution at the metal nozzle can be ensured, and the problem of uneven microsphere particle size or uneven microcapsule shell thickness can be avoided.

A doctor blade coating mechanism includes: a doctor blade with upright plates at both ends; a liquid storage tank located on the forward direction side of the doctor blade; the length of the liquid storage tank matches the length of the doctor blade; a convex shaft is provided on the liquid storage tank, and a movable groove is provided on the upright plate corresponding to the position of the convex shaft, the convex shaft being movably disposed within the movable groove; a first telescopic unit is also provided on the upright plate, the outer wall of the first telescopic unit being fixed to the upright plate, and the telescopic rod of the first telescopic unit being connected to the convex shaft; when the first telescopic unit is in a first working state, the liquid storage tank is in contact with the doctor blade; when the first telescopic unit is in a second working state, there is a gap between the liquid storage tank and the doctor blade, and the coating liquid in the liquid storage tank flows from the gap to the surface of the substrate to be coated. This doctor blade coating mechanism makes the coating liquid application more uniform.

The utility model discloses an anti-breaking device of a carding machine, and relates to the technical field of carding machines. The anti-breaking device of the carding machine comprises a machine body, a main cylinder, a breast cylinder, a first licker-in and a second licker-in, and the main cylinder, the breast cylinder, the first licker-in and the second licker-in are installed on the machine body and are driven by a power mechanism to rotate. The first licker-in is located between the main cylinder and the breast cylinder, and the second licker-in is located on the side, away from the first licker-in, of the breast cylinder; a buffering doffer is arranged on the machine body, the buffering doffer is located between the breast cylinder and the first licker-in and rotationally connected with the machine body, and the rotating direction of the buffering doffer is opposite to the rotating direction of the main cylinder and the rotating direction of the breast cylinder. The buffering doffer is additionally arranged between the main cylinder and the breast cylinder, long fibers transferred between the main cylinder and the breast cylinder are buffered, damage to the long fibers is reduced, and the phenomenon that produced fiber strips are uneven in thickness due to the fact that the long fibers are broken in the transferring process is avoided.

This utility model relates to the field of interior decoration, and in particular to an easy-to-install prefabricated high sound insulation partition wall device, comprising a keel, which includes top and bottom keels, vertical keels, crossbeams, and adjusting blocks. Several sets of top and bottom keels are respectively fixed to the top and bottom of the vertical keels. Several sets of vertical keels are arranged longitudinally at equal intervals. A slot is longitudinally opened through the top of each vertical keel, and a groove is transversely opened through the outer wall of each vertical keel. The crossbeams are inserted into the grooves, and the adjusting blocks are slidably connected within the grooves of the vertical keels. The adjusting blocks cooperate with the crossbeams. This utility model, through the assembly and combination of the adjusting blocks and crossbeams, can pre-fix the filling material, thereby reserving sufficient space for the air layer of the partition wall and avoiding uneven thickness of the reserved air layer thickness due to human error in different filling layers.

The invention discloses a method for growing a porous catalyst on a gas diffusion layer, which comprises the following steps: S1, pretreatment of a metal gas diffusion layer: cleaning the surface of the metal gas diffusion layer in an acid solution to remove impurities and an oxide layer on the surface; s2, preparing an electroplating solution, namely preparing the electroplating solution containing catalyst ions and a pore-forming agent; s3, electroplating process: carrying out electroplating reaction on the metal gas diffusion layer treated in the step S1 by utilizing the electroplating solution prepared in the step S2 to form a uniformly distributed porous catalyst layer; and S4, post-treatment: carrying out cleaning and heat treatment on the electroplated porous catalyst layer. The problem that the thickness is not uniform possibly in the spraying process can be avoided, the catalyst layer and the gas diffusion layer substrate are firmly combined and are not prone to falling off, the long-time stability of the catalyst is ensured, a uniform porous structure can be formed in the electroplating process, and the catalytic efficiency of electrolyzed water can be improved.

The utility model discloses spinning production equipment for cationic dyeable polyester pre-oriented yarn, and relates to the technical field of spinning production. Comprising a spinning machine body, the spinning machine body is provided with a winding mechanism used for spinning production of cation dyeable polyester pre-oriented yarn, tows passing through an adjusting assembly enter a winding assembly, a movable block slides on a sliding rod, a protruding block is arranged in the movable block and slides along an annular groove in a reciprocating lead screw, and the movable block can slide along the annular groove in the reciprocating lead screw. The movable block slides along the sliding rod through the reciprocating lead screw, then the movable rod and the wobble wheel are driven to do reciprocating motion, a rubber ring on the edge of the wobble wheel makes contact with a tow, in the reciprocating motion process of the wobble wheel, the tow is evenly wound around the winding shaft, and the limiting rod can limit the position of the tow to a certain degree; the tows are prevented from falling off from the wobble wheel, the problem that the tows are stacked, overlapped or irregularly wound on the winding shaft is solved, and the winding quality and appearance are improved.

The utility model discloses a fixture for loading a blade. The fixture comprises a mounting seat and a clamping mechanism, mounting holes are respectively formed in the front and rear ends of the right side surface of the mounting seat; the clamping mechanism comprises a turntable, clamping plates, an anti-skid groove and a rotating shaft, the rotating shaft is rotationally connected to the middle of the mounting base, the left end of the rotating shaft is fixedly connected with the turntable, a sliding groove is formed in the left side face of the turntable, and the clamping plates are slidably connected to the front end and the rear end of the inner wall of the sliding groove correspondingly; the clamping mechanism comprises two clamping plates, anti-skid grooves which are evenly distributed are formed in the opposite inner side faces of the two clamping plates, a clamp is arranged between the two clamping plates, the clamping mechanism further comprises guide sliding grooves, gears, rack plates and rotating shafts, and the guide sliding grooves are formed in the inner walls of the upper ends and the lower ends of the sliding grooves. The revolution of the blade fixed on the clamp is realized, so that more uniform formation of a coating is facilitated, the condition of non-uniform thickness or coating missing is avoided, and the coverage rate and the uniformity are improved.

The invention relates to the technical field of conjugated microporous polymer materials, and discloses a covalent triazine unit-based conjugated microporous polymer membrane with negative charges and a preparation method thereof. The method comprises the following steps: firstly, preparing a negatively charged cyanophenyl monomer through nucleophilic substitution reaction of a cyanophenyl-containing compound and 1, 4-butane sultone, then taking the monomer and biphenyl nitrile as comonomers, and carrying out step-by-step polymerization, heating film formation, shock cooling shaping and dual-solvent soaking post-treatment under the catalysis of trifluoromethanesulfonic acid to obtain the cyanophenyl-containing polymer film. And finally obtaining the covalent triazine unit-based conjugated microporous polymer membrane with negative charges. The preparation process is high in controllability, and the obtained film has high stability of a covalent triazine structure and the porous characteristic and negative charge function of conjugated micropores, and has wide application prospects in the fields of gas separation and the like through verification.

The utility model discloses a wall painting device for interior decoration, which comprises a wall painting mechanism and a liquid receiving mechanism, the liquid receiving mechanism is fixedly connected to the inner side of the wall painting mechanism, the liquid receiving mechanism comprises a liquid receiving box, the top of the liquid receiving box is communicated with a connecting pipe assembly, the top of the connecting pipe assembly is provided with a liquid receiving frame assembly, and the liquid receiving frame assembly is fixedly connected with the wall painting mechanism. The bottom of the liquid receiving frame assembly communicates with the connecting pipe assembly, a drawing frame assembly is arranged on the front face of the liquid receiving box in a penetrating mode, a pulling plate assembly is fixedly connected to the front face of the drawing frame assembly, baffle assemblies are fixedly connected to the two sides of the liquid receiving frame assembly correspondingly, and the wall painting mechanism comprises a vertical frame assembly. According to the wall painting device, the phenomenon that paint is prone to dripping in the traditional wall painting process is changed, the liquid receiving frame assembly and the connecting pipe assembly are adopted for collecting the paint, the paint cannot contaminate the ground, cleaning cannot be difficult, paint waste cannot be caused, and environmental protection and quality of decoration cannot be affected.