233results about How to "Flat surface" patented technology

Compared with a porous microsphere in the prior art, the polymer material microsphere with the closed hollow structure is provided with the closed hollow structure or a gas chamber, the surface of the microsphere is smooth on the whole, and acute inflammatory reaction can be avoided. By adopting the microspheres prepared by the invention, the total material implantation amount can be reduced when the same regenerative stimulation point is implanted; and the preparation process is simple, and large-scale production is facilitated.

The invention discloses a metal object outer surface wall polishing control method based on a laser beam processing technology, which relates to the technical field of metal polishing, and comprises the following steps: establishing a surface morphology numerical model of a metal object outer surface wall, and simulating the change rule of the surface morphology in the polishing process; selecting a Gaussian laser heat source, setting laser beam parameters, and establishing an instantaneous laser state numerical model; the appearance of the outer surface wall of the metal object is improved in a melting flow mode and a vaporization removal mode; the temperature field distribution and the surface appearance change of the outer surface wall of the metal object under different laser parameters are researched; judging whether micro cracks appear on the outer surface wall of the polished metal object or not; evaluating the polishing effect of the outer surface wall of the metal object under each group of qualified laser parameters; and outputting the optimal laser parameter configuration combination suitable for the current polishing task. Through a method of combining numerical simulation and experimental analysis, the change rule of the surface topography in the polishing process is simulated, and the micro-crack phenomenon after polishing is specifically studied.

A heel backer shaper comprises a case, a last-compressing ironing base, a last rotation mechanism, a shaping wheel, an automatic selector switch, and a footboard. One side of the upper half of the case is not closed. The last rotation mechanism is disposed on the upper half of the case. The last rotation mechanism comprises a cylinder and a rotary table; the rotary table is disposed at the top of the cylinder; the last-compressing ironing base is disposed on the top inner wall of the case and right faces the rotary table. During heel shaping, the heel backer shaper can adjust the operating performances, such as the position of the shaping wheel on a backer, knocking force, ironing temperature and delay time, according to the quality conditions of a shoe so as to acquire optimal shaping effect; during normal working, the heel backer shaper can operate in an automatic manner; an electrothermal plate on the last-compressing ironing base is controlled via a three-compartment closed-loop controlled silicon voltage regulator, temperature control precision is greatly improved, a temperature difference can be controlled within a 10 DEG C range, and the plane of the shaped backer is flat, with clear edge and smooth wrinkle-free surface.

A dark toilet exhaust passage concrete one-time forming structure comprises a large corrugated pipe and multiple sets of outer aluminum alloy modules, a cavity is formed among the multiple sets of outer aluminum alloy modules, the large corrugated pipe is arranged in the middle of the interior of the cavity, and the large corrugated pipe is fixedly connected with the outer aluminum alloy modules through fixing assemblies. The utility model has the beneficial effects that the concrete material is adopted for pouring, so that the concrete exhaust passage has better strength, durability and plasticity, a material basis is provided for manufacturing a one-step formed full-concrete exhaust passage, and the exhaust passage which is firm in structure, smooth in surface and good in sealing property can be manufactured; compared with the traditional material, the concrete material is more environment-friendly, not only has excellent ventilation performance, but also can reduce the building energy consumption and improve the indoor air quality, and adopts the form of the prefabricated member, so that the field installation is simple, convenient and rapid, the construction period is greatly shortened, and meanwhile, the material cost is relatively low, so that the building cost can be effectively controlled.

The invention provides a preparation method of an anode foil and an aluminum electrolytic capacitor, and relates to the technical field of capacitors. The preparation method comprises the steps that aluminum-containing slurry is prepared, the aluminum-containing slurry comprises a mixed solution and solid aluminum-containing powder, the mixed solution is prepared by mixing a solvent, a binder and an additive, and the solid aluminum-containing powder comprises aluminum powder and ceramic powder; providing an aluminum foil substrate, coating the surface of the aluminum foil substrate with aluminum-containing slurry, and performing drying treatment to form an aluminum foil blank; coating the surface of the aluminum foil green body with a film solution, and carrying out drying treatment to form a protective film layer on the surface of the aluminum foil green body; rolling the aluminum foil blank with the protective film layer by using a rolling mill in a skew rolling manner to obtain an initial anode foil; and sintering the initial anode foil, and removing the protective film layer to form a sintered foil. According to the preparation method, the anti-bending performance of the anode foil can be improved.

The invention discloses a titanium and titanium alloy cutting tool coating and a preparation method thereof, the titanium and titanium alloy cutting tool coating comprises a coating substrate and a double-layer coating deposited on the substrate, and the double-layer coating sequentially comprises a base layer and a functional layer from the substrate side to the surface side of the double-layer coating. The base layer is composed of a metal compound TiBx, and the functional layer is composed of a metal compound TaSiy. The titanium and titanium alloy cutting tool coating provided by the invention has relatively high wear resistance, high temperature resistance, oxidation resistance and bonding resistance, the bonding strength between the coating and a matrix is good, the production process is simple, the production cost is low, and the titanium alloy cutting efficiency can be effectively improved.

The invention discloses a preparation method of a large-size fine-grain yttrium target material, which comprises the following steps: carrying out vacuum melting to obtain a metal yttrium cast ingot, and carrying out surface machining to obtain a metal yttrium blank; the metal yttrium blank is subjected to vacuum heat treatment and vacuum forging, and then a metal yttrium forge piece is obtained; carrying out isothermal rolling on the metal yttrium forge piece in a protective atmosphere, and carrying out heat treatment in the protective atmosphere to obtain a metal yttrium rolled piece; and carrying out dry cutting on the metal yttrium rolled piece to obtain the yttrium target material. The metal yttrium target obtained through the preparation method is large in finished product size range and good in flatness, toughness is improved while strength is improved, crystal grains are small, the crystal grain size is uniform, compactness is good, the surface is smooth and free of defects, the purity and components of raw materials cannot be changed, the sputtering face is compact, and sputtering performance is good.

This utility model provides a reinforced concrete foundation and photovoltaic support suitable for mountain foundations. The foundation includes a rock anchor bolt foundation and an above-ground reinforced concrete foundation. The rock anchor bolt foundation includes rock mass with drilled holes, anchor bolts anchored into the drilled holes, and anchor bolt fixing reinforcement connected to the upper end of the anchor bolts. The anchor bolt fixing reinforcement is embedded in the above-ground reinforced concrete foundation. The above-ground reinforced concrete foundation includes a foundation platform and short reinforced concrete columns extending vertically upwards from the centroid of the foundation platform. The bottom of the photovoltaic support column is embedded in the short reinforced concrete column. The rock anchor bolt foundation and the above-ground reinforced concrete foundation are formed as a single structure through the reinforced concrete structure, which can effectively fix the above-ground reinforced concrete foundation. This avoids the risk of the power station overturning due to excessive pull-out force on one side of the foundation caused by excessive eccentricity between the column and the foundation centroid due to terrain limitations or construction deviations.

This utility model relates to the field of conveying device technology, specifically to a non-powered conveyor frame for rolling mill billets, including a milling mill discharge roller conveyor and a rolling mill feed roller conveyor. Multiple rollers are installed between the milling mill discharge roller conveyor and the rolling mill feed roller conveyor. Each roller has an anti-collision component installed at one end near the milling mill discharge roller conveyor, and the other end is rotatably connected to the rolling mill feed roller conveyor. An elastic reset component is installed inside each anti-collision component and between it and the roller. When the billet bends during conveying on the milling mill discharge roller conveyor, it first contacts the anti-collision component. The anti-collision component, in conjunction with the elastic reset component, pushes the bent portion of the billet back onto the milling mill discharge roller conveyor to prevent damage to the roller. Simultaneously, the roller-type conveyor frame has a smooth surface, a small contact area with the copper pipe, eliminates the need for nylon sheets or similar materials, provides minimal resistance, and can adapt to any height difference.

This disclosure provides an ultrasonic transducer assembly, a single-element ultrasonic transducer, and an ultrasonic testing device. The ultrasonic transducer assembly includes a first matching layer, a second matching layer, a piezoelectric material layer, and a conductive backing layer stacked sequentially from top to bottom. The first matching layer is made of a non-conductive material, and the second matching layer is made of a conductive material. The upper surface of the first matching layer is the ultrasonic signal emitting surface, and signal electrodes are disposed on the side of the second matching layer. This disclosure directly leads out the signal electrodes from the side of the second matching layer. Compared with the traditional method of leading electrodes from the front of the emitting surface, the side electrode method avoids occupying the emitting surface, effectively expands the sound wave emitting area, and improves the transducer performance. At the same time, since the side operating space is relatively large, it avoids the problem of low product yield caused by limited operating space, and the side electrode method makes the upper surface of the product flatter and the dimensions more accurate.

The invention provides a compaction control system of a heat treatment furnace door, which comprises a mechanical structure and software control, the mechanical structure comprises six hinge mounting seats mounted on the outer side of a furnace chamber, and the six hinge mounting seats are respectively arranged on the upper, middle and lower parts of the left and right sides of the furnace chamber; an air cylinder and a curved surface pressing block mechanism are installed on each hinge installation base, the air cylinders move to drive the curved surface pressing block mechanisms to do curvilinear motion, and rolling bearings are symmetrically installed on each curved surface pressing block mechanism in the axial direction; a metal protection plate is installed at the corresponding position of the furnace door, when an air cylinder moves forwards or backwards, a pressing block on a curved surface pressing block mechanism is driven to do curvilinear motion, the furnace door is pressed through a rolling bearing, and the rolling bearing makes rolling motion after making contact with the metal protection plate. Software control adopts synchronous action control of six air cylinder systems on the left side and the right side, air supply and exhaust of air cylinders are independently controlled through middle-sealed type electromagnetic reversing valves respectively, and the air cylinders adjust clamping blocks to act synchronously through precise exhaust throttling valves.

The invention discloses a Chinese yam and Chinese wolfberry shrimp cake production process, and particularly relates to the technical field of food production, which comprises the following steps: preparing table salt, white sugar, vegetable oil, monosodium glutamate and pepper powder, Chinese yam powder, Chinese wolfberry powder and shrimp meat, removing heads, shells and shrimp lines of shrimps, mincing the shrimp meat by using a meat mincer, adding the table salt, the white sugar, the vegetable oil, the monosodium glutamate and the pepper powder on the basis of the shrimp meat, and uniformly stirring; the preparation method comprises the following steps: firstly, preparing shrimp meat paste, then adding Chinese yam powder and Chinese wolfberry fruit powder, chopping to form the shrimp meat paste, shaping the chopped shrimp meat paste by using a round mold, putting into a quick-freezing cabinet for quick-freezing, then putting into a refrigerator for freezing storage, and heating the prepared frozen shrimp cake product by using a heating box. The prepared shrimp cake is sufficient in moisture, moderate in hardness and chewiness, fine and smooth in taste, compact in texture, sufficient in shrimp flavor, regular in product shape, smooth in surface, attractive in color and luster, good in overall condition, good in taste, high in nutritive value, simple in production process, low in production cost and easy to produce and sell in a large scale.

This invention relates to the field of coffee machine technology and proposes a coffee machine powder receiving cylinder movement structure, including a housing. A grinding assembly is disposed within the housing, a tamping cylinder assembly is disposed on one side of the grinding assembly, and a receiving cylinder assembly is disposed below the tamping cylinder assembly. A connecting rod fixed shaft movement track is provided between the tamping cylinder assembly and the receiving cylinder assembly. A fixing component is snapped onto one side of the receiving cylinder assembly, and a lead screw assembly is connected to the fixing component. The grinding assembly guides coffee powder into the receiving cylinder assembly. The lead screw assembly drives the fixing component to move, simultaneously driving the receiving cylinder assembly connected to the fixing component to move upward along the connecting rod fixed shaft movement track. The receiving cylinder assembly moves to below the tamping cylinder assembly and engages with it. During this process, the tamping cylinder assembly and the receiving cylinder assembly are concentric and coaxial in the vertical direction. The tamping cylinder assembly applies downward force, cooperating with the receiving cylinder assembly to compress the coffee powder into a uniformly dense coffee cake.

The utility model discloses a sheet metal part drilling fine adjustment mechanism relates to sheet metal part drilling field, the utility model discloses a first electric sliding table, and the output of first electric sliding table is equipped with the first sliding seat, and the top of first sliding seat is installed with second electric sliding table, and the output of second electric sliding table is equipped with the second sliding seat. The utility model discloses through being provided with the shielding cloth, first bolt, second bolt, first side plate and second side plate, the top of first electric sliding table and second electric sliding table can be shielded by the shielding cloth, prevent the direct drop of debris to the top of first electric sliding table and second electric sliding table, thereby prevent the hard debris (such as metal scrap) and cause the sliding seat to be stuck in the clearance between electric sliding table and sliding seat and affect the movement of sliding seat, to ensure that the sliding seat can move smoothly, prevent the sliding seat to push the debris movement simultaneously and make the debris and the top of electric sliding table rub and scratch the top surface of electric sliding table, thereby prolong the service life of electric sliding table.

The invention relates to the technical field of synthetic fiber paper manufacturing, in particular to aramid-based heating paper and a preparation method thereof.The preparation method comprises the steps that para-aramid chopped fibers and potassium hydroxide are added into dimethyl sulfoxide, then water is added, stirring and dispersing are conducted, and nanofiber dispersion liquid is obtained; adding carbon fibers and aramid chopped fibers into the nanofiber dispersion liquid for defibering, and uniformly mixing to obtain chopped fiber dispersion liquid; the preparation method comprises the following steps: adding a meta-aramid polymer liquid, a nanofiber dispersion liquid and a precipitation agent into precipitation equipment, carrying out high-speed shearing to obtain a fibrid, carrying out cooling molding in a water washing pool, and carrying out multi-stage water washing to obtain a meta-aramid fibrid; and uniformly mixing the chopped fiber dispersion liquid and meta-aramid fibrid, and then carrying out wet-process papermaking, squeezing drying and hot-pressing treatment to obtain the aramid-based heating paper. According to the preparation method, the carbon fibers and the aramid chopped fibers can be well dispersed, and the prepared aramid-based heating paper has higher uniformity and better mechanical properties and heating performance.

This utility model discloses a conical installation device for a cartridge filter in an air conditioning unit. The device comprises a top disc, hexagonal bolts, diagonal support rods, fixing rods (in three lengths), internal hexagonal screws, flat washers, and spring washers. This utility model uses a specialized tooling mold for positioning. The diagonal support rods, composed of three round steel pipes arranged in an isosceles triangle and welded into a conical structure, are finished with hexagonal bolts at the ends and secured with a handle locking device. The filter cartridge can be disassembled and assembled without any special tools. This solves the problems of deformation and air leakage caused by insufficient installation strength in cartridge filters, while also shortening installation and disassembly time, ensuring the air conditioning unit can be put into use quickly. It is particularly suitable for air conditioning systems in cigarette factories, welding workshops, and other similar fields.

The utility model provides a rolling device of plastic extrusion production line, including: rolling device, clamping device and conveying device, rolling device includes: rolling frame, servo motor, hold-down mechanism and rolling mechanism, servo motor is on rolling frame, servo motor output end installs rolling mechanism, rolling mechanism can be rotatingly installed on rolling frame, the rolling mechanism is equipped with the clamping device, the clamping device is equipped with the conveying device. A conveying device is arranged on one side of the winding frame and comprises a guide rail, a movable bearing device, a blocking mechanism and an upward guiding assembly, a clamping device is installed above the movable bearing device and comprises a base, an installation rod and a supporting clamping mechanism, and the base is connected with the top of the movable bearing device through the installation rod. According to the winding device of the plastic extrusion production line, the accurate clamping action is achieved through the linkage shaft and the clamping arms, the opening and closing state of the clamping arms can be conveniently and rapidly adjusted through the design of the telescopic adjusting rods, and therefore plastic rolls are efficiently grabbed and released, and the stability of the plastic rolls in the transferring process is guaranteed.

The invention belongs to the technical field of biology, and particularly relates to Meyerozyma caribba XX2120, and the preservation number of the Meyerozyma caribba XX2120 is GDMCC No: 67777. The invention further relates to a preparation method of the Meyerozyma caribba XX2120. The strain is obtained by taking saccharomycetes X2120 as a starting strain, carrying out ARTP mutagenesis treatment and screening, has relatively strong acid resistance, relatively high salt stress resistance and certain alcohol resistance and aldehyde resistance, can effectively utilize monosaccharide, disaccharide and trisaccharide, has a wide utilization range on carbohydrate and has a relatively good utilization rate on inorganic nitrogen. Moreover, the strain can be used for producing mycoprotein through liquid fermentation by taking Luzhou-flavor distillers' grains as a raw material, and also can be used for performing solid fermentation on the Luzhou-flavor distillers' grains, so that the true protein content of the distillers' grains is increased, the nutritional value of the distillers' grains is improved, and the recycling of distillers' grain resources is effectively promoted.

An inorganic high temperature resistant grouting material and a preparation method thereof The present invention provides an inorganic high temperature resistant grouting material, wherein the components and mass fractions in the inorganic high temperature resistant grouting material are: 30-35 parts of high temperature resistant cement, 30-40 parts of plate-shaped corundum, 13-18 parts of quartz sand, 4-8 parts of calcium sulfate whiskers, 0.10-0.15 parts of water reducer, 0.01-0.06 parts of defoamer, 0.01-0.06 parts of plastic expansion agent, 9-14 parts of silica sol, 0.5-1.0 parts of water-based graphene slurry, and 3-7 parts of water. After curing, the grouting material has a smooth surface, no bulging, no cracking, and no powdering, and can be used for a long time at a high temperature of 500°C.

This disclosure provides a polishing pad and a final polishing apparatus. The polishing pad includes: a substrate; and a deformable unit disposed on the substrate. The deformable unit is capable of switching the polishing pad between a first shape mode and a second shape mode by deformation. In the first shape mode, the polishing surface of the polishing pad has grooves, and in the second shape mode, the polishing surface of the polishing pad is flat.

This invention discloses a water-soluble punching and shearing oil, comprising the following components in 100 parts by weight: 20.0-35.0 parts rust inhibitor; 10.0-20.0 parts lubricant; 3.0-10.0 parts surfactant; 0.5-3.5 parts bactericide and mildew inhibitor; 0.5-2.0 parts other additives; and the balance being deionized water. This punching and shearing oil can be used in various sheet metal deep drawing and punching processes. It can be diluted for use, effectively reducing users' oil costs. Simultaneously, it avoids oil mist and VOC problems caused by using oily products in the workshop, thus purifying the workshop operating environment. Parts punched and sheared using this invention have smooth surfaces, complete cuts, good gloss, and are burr-free. Processed parts are easy to clean or require no cleaning, significantly saving on overall costs such as materials, water resources, and labor.

This invention discloses an automated molding and manufacturing equipment and method for utility poles, relating to the technical field of utility pole manufacturing equipment. It includes an installation base, a mold assembly on the installation base, a reinforcing cage on the mold assembly, and a feeding device located directly above the reinforcing cage. The feeding device is equipped with a dispersing and leveling mechanism and a gravity-flipping feeding mechanism. This invention, through the feeding device and the dispersing and leveling mechanism, evenly disperses and guides concrete material to different positions in the feeding hopper, achieving oscillating and dispersing feeding. This effectively avoids the problems of clumping and localized pile-up caused by concentrated concrete material accumulation. The leveling component quickly levels the dispersed material, ensuring that the surface of the concrete material in the feeding hopper remains flat and of uniform height. Finally, the gravity-flipping feeding mechanism quantitatively feeds the material, eliminating the need for manual intervention in the feeding process, significantly reducing labor intensity and improving production efficiency.

The invention discloses flaky alumina and a preparation method thereof, the flaky alumina is in a square sheet shape and has a single crystal structure, the grain size of the flaky alumina is 300-1300 nm, and the grain thickness is less than or equal to 150 nm. The preparation method comprises the following steps: placing roasted SB powder and a quaternary ammonium base solution in a pressure container in a solid-liquid two-phase separation manner, carrying out a gas-solid reaction under certain heat treatment conditions, and drying and roasting the reacted solid powder to obtain the flaky aluminum oxide. The flaky aluminum oxide is regular in structure and flat and smooth in surface, can be used as a polishing material, a coating, a catalysis material and an adsorption material, and is simple in preparation process, easy in raw material obtaining and easy in industrial production.

The utility model provides a centrifuge dehydration barrel device for high water absorbent resin water retention detection relates to experimental equipment auxiliary device technical field. The device includes accommodating component and seal cover, wherein the top opening of accommodating component is detachably connected with seal cover, at least two accommodating cavities are arranged in accommodating component, accommodating component is matched with dehydration barrel on numerical control electric centrifuge, and the whole assembly formed by accommodating component and seal cover can be placed in dehydration barrel. The utility model mainly applies to the experimental scene that needs to carry out spin -dry processing to detection material through numerical control electric centrifuge, can effectively fix material cloth bag and prevent material leakage and splash.

The invention discloses an all-quartz multi-component Raman signal online detection module based on multi-laser additive and subtractive manufacturing. The all-quartz multi-component Raman signal online detection module comprises a node-free negative curvature hollow-core optical fiber with side micropores, a multimode optical fiber, a single-mode optical fiber plated with a ceramic film, a semicircular micro-channel, a quartz slurry packaging layer and a quartz fixing base, a micro-scale micropore is processed on the side surface of a node-free negative-curvature hollow fiber by utilizing picosecond laser, a multimode fiber, the node-free negative-curvature hollow fiber with the side micropore and a single-mode fiber are welded into a whole, the single-mode fiber is ground into a slice by utilizing an optical fiber grinding technology, and a ceramic membrane is deposited on the end surface of the slice single-mode fiber. Picosecond laser is used for scanning the quartz fixing base layer by layer so as to process a semicircular micro-channel for placing the sensor, and CO2 laser is used for scanning, depositing and curing the quartz slurry packaging layer layer by layer so as to package the sensor. According to the invention, the to-be-detected substance is injected into the all-quartz sensor, so that on-line detection of multi-component Raman signals can be realized in high electromagnetic interference environments such as electric power and the like.

The application discloses a kind of invisible optical cable and preparation method thereof, belong to optical cable technical field, including multiple optical fibers, and sleeve is arranged at the periphery of multiple optical fibers, and sleeve is prepared using transparent material.The woven yarn is further provided in the sleeve in the application, and the woven yarn is in mesh structure, and multiple optical fibers are sequentially and side by side arranged in the mesh structure of woven yarn.In the application, the arrangement order of each optical fiber is naturally limited by the mesh structure of woven yarn, and each optical fiber can be accurately distinguished by observing the position of optical fiber in the mesh during construction, without any color marking or special identification equipment, especially suitable for multi-core invisible optical cable.The yarn of woven yarn is extremely thin, and the mesh structure is invisible under normal visibility, the overall transparency of optical cable is high, and it is perfectly integrated with indoor environment, maintaining excellent invisible effect.

The invention belongs to the technical field of repair material production equipment, discloses ultraviolet curing lining hose flattening and rolling equipment and a production system, and particularly relates to the ultraviolet curing lining hose flattening and rolling equipment which comprises a supporting assembly, one end of the supporting assembly is connected with a sliding rail, and the other end of the supporting assembly is connected with a lifting assembly. The end, away from the sliding rail, of the supporting assembly is connected with a connecting assembly, the two ends, in the width direction, of the connecting assembly are connected with a pre-unfolding assembly and a detection assembly correspondingly, the end, close to the sliding rail, of the supporting assembly is connected with a working assembly, and through cooperation of the supporting assembly and the working assembly, precise regulation and control of rolling pressure are achieved. The telescopic rod dynamically adjusts the height of the movable plate according to feedback data of the pressure sensor, so that the pressing plate of the rolling part always contacts the hose at the optimal pressure; the elastic connection design of the rotating roller and the pressing plate can adapt to tiny fluctuation of the surface of the hose, and the hose can be prevented from being damaged due to too large pressure.

The present application relates to a kind of sanitary grade pneumatic actuator, it is related to valve actuator technical field, it includes rotating shaft, shell, piston, spring, and respectively sealedly arranged on the base and end cover of shell two ports, gas source access is installed on end cover or shell, gas source access is installed on the base or shell, spiral chute is opened on the circumferential surface of piston, guiding piece is arranged on the inner circumferential side wall of shell, guiding piece is arranged in spiral chute, piston is connected with driving element, fixed plate is fixedly installed on driving element, plane bearing is arranged between fixed plate and base, the end of spring respectively touches the end face of piston and fixed plate, the end of driving element away from and connected with piston penetrates base and is arranged outside base and protrudes, and is fixedly connected with rotating shaft, driving element and base are rotationally sealedly connected.The effect of reducing friction, reducing noise, improving the service life of component, improving transmission efficiency and use stability.

This utility model relates to the field of stainless steel flue processing, and discloses a residue cleaning structure and a steel pipe cutting device. It includes a circumferential cutting device and a slag cleaning assembly. The circumferential cutting device includes a base, a rotating disk, and a laser cutting head. The rotating disk is rotatably connected to one side of the base. The formed steel pipe passes through the base and the rotating disk. The laser cutting head is connected to the rotating disk and rotates synchronously to perform circumferential cutting on the steel pipe passing through the rotating disk. The slag cleaning assembly includes a support frame, a slag suction pipe, and a fan. The fan is connected to the slag suction pipe to generate suction. The slag suction pipe is slidably connected to the support frame to be inserted into the steel pipe during laser cutting to absorb and clean the residue. During cutting, the slag suction pipe can be inserted into the steel pipe to remove the slag generated during cutting, resulting in cleaner residue cleaning and improved quality of the cut steel pipe. Furthermore, the steel pipe can be cut promptly after forming, improving work efficiency.

The utility model belongs to the technical field of decoration material relates to a multilayer heterochromatic composite structure's floor, including the surface decorative layer, and the composite substrate layer and the back balance layer of downward in turn, be equipped with first glue layer and second glue layer between each layer of composite substrate layer, the composite substrate layer is by three layers and above -mentioned super -thin moisture -proof density board, PVC carbon crystal board and inorganic straw board base material layer group billet and is formed, the colour of each base material layer is red, black, xylophone colour, blue, green, yellow, brown etc. The utility model discloses the composite substrate layer structure is by the super -thin moisture -proof density board, PVC carbon crystal board, inorganic straw board of different colour combination and is formed, has strong stability, surface level, is not easy to crack deformation, and the characteristics such as suitable ground heating environment. The floor disclosed effectively combines the advantages of various substrates, and is superior to ordinary floor in size stability, heat and moisture resistance, fire resistance, corrosion resistance, etc. The cost is reduced, and the product added value is obviously improved.