54results about How to "Does not affect smoothness" patented technology

The invention relates to a polyurethane medical anti-infection insertion guide tube preparing method, preparing antimicrobial-containing antibacterial mother material to mix with the polyurethane raw material, and extruding to shape so as to obtain the guide tube, its antimicrobial loadage high and its antibacterial effect more permanent; its inner and outer walls has the same antibacterial effect; the technique is simple, the operation is convenient and the cost is low.

The invention relates to the technical field of printing, and discloses a 3D printing supporting method. The 3D printing supporting method comprises the following steps: detecting the angle between each of triangular surfaces of the surface of a 3D model to be printed and the horizontal plane; copying a supporting surface having a same shape with the triangular surface and paralleling to the triangular surface in a position having a predetermined distance d to the triangular surface and arranged below the triangular surface if the angle of the triangular surface is smaller than a predetermined angle alpha, wherein d is 0-2 times the layer height of a slice; downward generating a supporting body model not intersecting with the 3D model with the supporting surface as a top surface; and controlling a 3D printer to print the 3D model and the supporting model. The invention also discloses a 3D printing supporting system. In the invention, the supporting body has a certain distance to the 3D model, so a supporting effect and smooth separation of the supporting body from the 3D model after the printing are realized without influencing the surface smoothness of the supported 3D model, thereby a good 3D printing effect is realized.

The invention discloses a duplex planetary gear train torque directional distribution electric drive axle. The drive axle comprises a main drive motor, a TV control drive motor and a duplex planetarygear train, wherein a power output shaft of the main drive motor is connected with a gear ring of a two-stage planet gear planet row differential mechanism; a sun gear of the two-stage planet gear planet row differential mechanism is connected with a first axle shaft, and a planet carrier of the two-stage planet gear planet row differential mechanism is connected with a second axle shaft; the duplex planetary gear train comprises a first sun gear, a second sun gear, a first end planet gear, a second end planet gear and a first planet carrier; the first sun gear is connected with the first axleshaft, and the second sun gear is rotationally supported on the first axle shaft and connected with the planet carrier of the two-stage planet gear planet row differential mechanism; and the first end planet gear and the second end planet gear are coaxially arranged on a planet shaft, and the planet shaft is connected with a power output shaft of the TV control drive motor through the first planet carrier. Torque directional distribution of wheels on the two sides can be achieved without a clutch, and the structure is simple.

The invention discloses a workpiece polishing device comprising a machine frame. The machine frame is connected with polishing rollers, a reciprocating air cylinder, a first limiting switch and a second limiting switch. The reciprocating air cylinder is provided with a telescopic rod. A clamping jaw is arranged on the telescopic rod. The telescopic rod is provided with a connecting rod and connected with a rack. The rack is meshed with a gear. The gear is coaxially connected with a first rolling wheel. The first rolling wheel is provided with a second rolling wheel through belt tensioning. The second rolling wheel is coaxially connected with an impeller. The impeller is provided with a seal shell. The seal shell communicates with a first t-branch pipe and a second t-branch pipe. The first t-branch pipe communicates with a first collecting bag and a first forked pipe. Pipe openings of the first forked pipe are located at feeding openings of the polishing rollers. The second t-branch pipe communicates with a second collecting bag and a second forked pipe. Pipe openings of the second forked pipe are located at discharging openings of the polishing rollers. Stop sheets are arranged in both the first t-branch pipe and the second t-branch pipe. Compared with the prior art, the workpiece polishing device improves the work efficiency of polishing and collects generated iron chips.

The invention relates to an air filter for breathing and a filter element thereof, belonging to the field of health protection. By adopting the bionic principle simulating the nasal cavity of human body, the filter element is formed by stacking a filtering layer and a liquid absorbing layer at intervals, and is positioned between an air inlet channel and an air outlet channel which are arranged inside a shell of a filtering component; and the liquid absorbing layer of the filter element extends into filtrate inside a liquid storage cavity, and the air outlet channel of the filtering component is connected with a breathing mask. The air filter has good filtering effect and convenient use, is suitable for staff working in the environment of dust, smoke and waste gas, and can be taken as fire control preparation article for standby application.

The invention belongs to the field of knitting technology and discloses a tightening edge connecting structure of a double-layer thermal underwear. The main body part of the underwear consists of double-layer knitting fabric; the tightening edge is formed by folding single-side knitting fabric along the width direction; and two wide edges which form the single-side knitting fabric of the tightening edge are in interlocking connection with the outer layer of fabric and the inner layer of fabric at the corresponding connection position of the underwear through the fabric weave coil. The underwear adopting the tightening edge connecting structure avoids the convex edge which is formed by overlapping five layers of fabric at the tightening edge connection position of the conventional double-layer underwear, remains the elasticity of the conventional knitting fabric at the connection position and is comfortable to wear.

The invention provides a preparation method of Taichi stone cellulose fiber. According to the method, a Taichi stone suspension with far infrared, uvioresistant and antibacterial functions and a cellulose sulfonate solution are mixed uniformly by injection before spinning, and a finished product is obtained by wet spinning and aftertreatment; according to the obtained Taichi stone cellulose fiber,Taichi stone content is 1%-8% (w / w), far infrared emission rate is higher than or equal to 90%, UPF (ultraviolet protection factor) is larger than or equal to 50, bacteriostasis rate is higher than or equal to 99%, breaking strength is larger than or equal to 2.5 cN / dtex, elongation at break is larger than or equal to 15%, color fastness to washing is higher than or equal to level 4, and the Taichi stone cellulose fiber can convert high-frequency beta waves (14-30 Hz) in human brain waves into brain wave theta waves (4-8 Hz) and alpha waves (8-14 Hz) with low frequency spectra. The Taichi stone cellulose fiber not only has excellent far infrared, uvioresistant and antibacterial functions, but also has functions of relieving depression and improving sleep, breaking strength and elongationat break are higher, performance is lasting and stable, besides, the technology is mature, the process is simple and easy to control, and industrial production is facilitated.

The invention discloses a spraying device of corrosion-resistant graphene paint, and relates to the technical field of spraying equipment. The spraying device of the corrosion-resistant graphene paint comprises a working table, supporting legs, conveyors and a blocking frame, wherein the supporting legs are fixed to the four corners of the lower surface of the working table, a groove is formed in the upper surface of the working table, the conveyors are arranged on the left side and the right side in the groove, the conveyor on the right side is lower than the conveyor on the left side, and the blocking frame is arranged on the upper sides of the conveyors and is in an inverted-U shape. The spraying device of the corrosion-resistant graphene paint further comprises spraying mechanisms and drying mechanisms, wherein the spraying mechanisms are arranged on the left side of the upper side of the conveyors, the drying mechanisms are arranged on the right sides of the spraying mechanisms, and the drying mechanisms are arranged on the right side of the upper side of the conveyors in a suspended mode. When spraying operation is carried out, batch machining can be carried out, and overturning spraying can be carried out, so that the production efficiency is improved while the production quality is improved; and the spraying device of the corrosion-resistant graphene paint has the advantages of being reasonable in arrangement, low in manufacturing cost and the like.

The invention discloses a torque directional distribution electric drive axle based on a double-rotor motor. The drive axle comprises a main drive motor and the relatively-rotating type double-rotor motor, wherein the output end of the main drive motor is connected with a shell of a bevel gear differential mechanism through a speed reduction mechanism; the relatively-rotating type double-rotor motor comprises an outer rotor and an inner rotor which are coaxially arranged and rotate relatively; a first output end drive gear of a first output end gear transmission mechanism is fixedly connectedwith the output end of the outer rotor of the double-rotor motor, and a first output end driven gear is connected with a first axle shaft; a second output end drive gear of a second output end gear transmission mechanism is fixedly connected with the output end of the inner rotor of the double-rotor motor, and a second output end driven gear is fixedly connected with the shell of the bevel gear differential mechanism; and the first output end gear transmission mechanism and the second output end gear transmission mechanism have the same transmission ratio. By the adoption of the provided torque directional distribution electric drive axle based on the double-rotor motor, torque directional distribution of wheels on the two sides can be achieved without a clutch, the action response is madequickly, and the integration degree is high.

A dust-collection device installed in the dust collector, which is installed between an air-inlet and an air-outlet of the dust collector; comprising a dust collection seat with a dust collecting room; the said dust collecting seat can connect with an installation stand or a primary declutch carrier alternatively detachably for the reason of different inner structure; the dust collection device also includes a dust brushing unit in the dust removing room and installed in the dust collecting seat or the installation stand; the said dust brushing unit can rotate automatically because of the air flow generated when the dust collector acts and thus removing the dust in the dust collecting net to reach the effect of no accumulation of dust in the dust collecting net where the air flow goes in and out and prolonging the maintenance period of the dust collection device and enhancing the application convenience.

The invention discloses a fabric rust inhibitor and a preparation method thereof. The fabric rust inhibitor is prepared from the following components in parts by weight of: 20-40 parts of dialkyl group polyoxyethylene phosphonate, 4-9 parts of sodium aliphatate, 3-5 parts of diethanol amine, 10-20 parts of fatty acid polyethylene glycol ester, 1-3 parts of sodium nitrite, 8-15 parts of sorbitol monooleate, 6-10 parts of stearic acid and 60-80 parts of water. Compared with the prior art, the fabric rust inhibitor has the beneficial effects that (1) the corrosion of a cationic surfactant can br restrained, and simultaneously, the color and luster of a fiber can not be influenced; (2) the smoothness of an oiling agent for spinning is not affected; and (3) the preparation process is simple and the cost is low.

The invention relates to the technical field of coatings, and discloses a hemp colored stone coating with high adhesiveness. A basic paint of the hemp colored stone coating comprises the following components in percentage by weight: 17.2 to 20.9 percent of deionized water, 0.1 to 0.2 percent of a dispersing agent, 0.2 to 0.4 percent of a defoaming agent, 0.5 to 1 percent of a coalescing agent, 1 to 2 percent of titanium dioxide, 0.2 to 1 percent of kaolin, 1 to 2 percent of cellulose, 0.1 to 0.3 percent of a neutralizing agent, 20 to 30 percent of silicone acrylic emulsion, 0.2 to 0.5 percent of a preservative, 0.5 to 1 percent of propylene glycol, 0.3 to 0.6 percent of an associate thickener and 30 to 40 percent of 70 to 90-mesh gravel; the base paint comprises the following components in percentage by weight: 5-10% of a 10wt% protective glue water solution and 1-2% of cellulose, the cellulose is a mixture of hydrophobic modified hydroxyethyl cellulose and hydroxyethyl cellulose, and the viscosity (1% of the water solution) of the hydrophobic modified hydroxyethyl cellulose is 0.5-1.5 thousand mPa.s. The base paint prepared by the process disclosed by the invention is applied to the prepared hemp colored stone coating, and the coating has the advantages of high hardness, high wear resistance, high wear resistance and the like. The hemp colored stone coating has high strength, toughness and adhesiveness.

The invention relates to the field of rubber cutting production, in particular to a rubber tapping tool with two sections of cutting edges, which is controlled by a motor to automatically perform high-quality, efficient and protective cutting on rubber trees. The invention provides the inlaid rubber tapping tool with two sections of cutting edges, which is matched with a motor. The tool consists of a milling cutter head, a cutter bar and a blade. The inlaid design can adapt to different rubber tapping environments, blades of different structures and angles can be flexibly selected, and the rubber tapping requirement is met; the tool adopts the structural design of a small wedge angle, a large front angle, a large rear angle and an arc chip guide, so that the cutting requirement of wood is met, a smooth and flat cutting plane is obtained, and rubber discharging, heat dissipation and chip removal are facilitated; due to the design of the two sections of cutting edges, smooth and flat cutting planes and side surfaces are guaranteed, and rubber trees are prevented from being damaged; and the inclination angle of the cutting edges prevents a rubber solution from losing from the side surfaces, so that the yield is ensured.

The invention provides a fastening structure. The fastening structure comprises an elastic connection buckle, at least two fixing rib plates which are symmetrically arranged outside the elastic connection buckle, a fastening opening which is formed in the backing plate and can be fastened with the front part of the elastic connection buckle and a fixed button which is arranged on the front side surface of the rear housing and can be fastened with the rear part of the elastic connection buckle, the rear ends of the fixing rib plates are fixedly connected with the elastic connection buckle, included angles alpha between the plate surfaces of the fixing rib plates and the forward and backward directions are more than 0 degree and less than 90 degrees, and in a free state, the front ends of the fixing rib plates forward protrude out of a fastening surface of the front part of the elastic connection buckle. The fastening structure provided by the invention is not loosened after being fastened, in a dismounting process of the rear housing, the fixed button on the rear housing is difficult to scratch and damage, and the problem that the rear housing and a connection part of the rear housing are damaged is avoided.

The invention relates to a DVD (Digital Video Disk) player with a shockproof structure, comprising a machine frame, a guide rail and a small element, wherein one end of the small element is fixed on the machine frame, and the other end of the small element is connected on the guide rail; the guide rail is arranged on the machine frame; the guide rail can move up and down between a position I and a position II relative to the machine frame, and drives one end of the small element to move up and down; two rotating pieces are fixed at a part of the machine frame, close to the position I; and when the guide rail moves upwards to the position I, the two rotating pieces abut against the guide rail from two ends of the guide rail and can rotate along the movement of the guide rail. In the DVD player with the shockproof structure, when the guide rail is arranged at the position I, a gap between the guide rail and the machine frame is filled in by the two rotating pieces, so that the small element can be stably fixed on the machine frame by the guide rail, thereby avoiding the problem that the machine frame shakes and generates abnormal sound when reading an eccentric disk.

The invention discloses an operating device for combining an intelligent mobile phone with bicycling. The operating device mainly comprises a mobile phone. The mobile phone is at least provided with a telephone device, a global position system (GPS) device, a code table device and a music device, and moreover, the telephone device, the GPS device, the code table device and the music device are respectively provided with a processing unit. The mobile phone also comprises a mobile phone main functional interface. The mobile phone main functional interface can be used for displaying all functional device interfaces of the mobile phone, and the main functional interface comprises a bicycle use functional interface. Moreover, the bicycle use functional interface is at least provided with a telephone device main interface, a GPS device main interface, a code table device main interface and a music device main interface; and a telephone device main functional interface, a GPS device main functional interface, a code table device main functional interface and a music device main functional interface are respectively arranged on the telephone device main interface, the GPS device main interface, the code table device main interface and the music device main interface, whereas the telephone device main functional interface, the GPS device main functional interface, the code table device main functional interface and the music device main functional interface are respectively coupled with the processing unit for blocking of the telephone device, the GPS device, the code table device and the music device to show correlation operation transmission or function display, and in such a way, a bicycle user can feel simpler and more convenient when bicycling , and moreover, the bicycling smoothness and convenience cannot be influenced.

The invention discloses a novel developer supply container. The novel developer supply container comprises a container, a piston rod and a piston sealing head; a first clamping head is arranged at oneend of the piston rod; the first clamping head is clamped in a first clamping hole in the piston sealing head; the piston sealing head is inserted into the container; a first vent hole is formed in the piston sealing head; the first vent hole is communicated with a second vent hole; an insertion pin is fixedly connected to the outer side of one end of the piston rod; the insertion pin slides on the outer cylindrical surface of the container; a first conductive iron sheet is arranged at the end portion of the one end of the insertion pin; a second conductive iron sheet is arranged at the lowerside of the first conductive iron sheet; the end portions of the first conductive iron sheet and the second conductive iron sheet are electrically connected with a processor chip; the processor chipis fixed to the container; and one end, away from the piston rod, of the container is eccentrically provided with a powder outlet. With the novel developer supply container adopted, the waste of a developer is reduced; the smoothness of the piston sealing head in the container is improved; the piston sealing head can be conveniently inserted into the container; and the firmness of a clamping ringis improved. The novel developer supply container has the advantages of high safety and convenient use.

The invention relates to the technical field of medical care, in particular to an electroactive antibacterial healing-promoting catheter and a preparation method thereof.The electroactive antibacterial healing-promoting catheter comprises a body part used for being inserted into a human body, wherein the surface of the body part is etched through plasma to form a rough surface with a plurality of grooves and pits, an antibacterial healing-promoting layer composed of an electrode layer A and an electrode layer B is sputtered on the rough surface, the distance between the electrode layer A and the electrode layer B ranges from 0.5 mm to 6.5 mm, the roughness of the rough surface ranges from 150 nm to 500 nm, the roughness of the antibacterial healing-promoting layer ranges from 20 nm to 250 nm, and the thickness of the antibacterial healing-promoting layer ranges from 10 nm to 500 nm. The catheter can generate electrochemical discharge after being in contact with leaked urine, normal saline, tissue fluid or wound exudate and the like, has responsive discharge property and has good sterilization and biological membrane inhibition effects, and the antibacterial healing-promoting layer has relatively good uniformity, does not influence the flexibility, elasticity, lubricity and the like of the catheter, and the antibacterial healing-promoting layer is firmly combined with the catheter.

The invention discloses a process for preparing a disposable pipette, one-body drawing forming process is used, the deficiency existed in the welding process is avoided, and through grasp of the process parameters, a qualified pipette is obtained, and especially the pipette nozzle is not fragile; the process comprises the following steps: (1) adding raw material resin into a granulator to obtain a first particle; (2) mixedly adding the first particle and an additive into the granulator to obtain a second particle; (3) adding the second particle into an extruder for extrusion molding to obtain a precursor, wherein the extrusion speed is 20-25m / min, and the extrusion temperature is 150 to 180 DEG C; (4) cutting the precursor to obtain a cutting body, wherein the cutting temperature is 120 to 180 DEG C; (5) stretching the cutting body, cooling to obtain an initial product; wherein the stretching temperature is 200 to 400 DEG C, and the stretching speed is 10-15m / min; and (6) printing the initial product, and installing an filter element to obtain a finished product.

The invention provides a wire rod guiding structure and a rack server system. The rack server system comprises a rack, at least one server, a wire rod and the wire rod guiding structure; the wire rod guiding structure is suitable for guiding the wire rod; the wire rod passes out from a wire rod opening at one side wall of the server; the wire rod opening is located at the back half part of the side wall; the wire rod guiding structure comprises a slide rail and a limit part; the slide rail is fixedly connected to the rack; the limit part is fixedly connected to the side wall of the server and slidably arranged on the slide rail; the limit part covers the wire rod opening and is provided with an accommodating slot for the pass of the wire rod; and the wire rod is limited by the limit part and the slide rail to extending along an extension direction of the slide rail.

The invention belongs to the technical field of thermoplastic materials, and in particular relates to a preparation method for a melted connection joint of fiber reinforced PBT composite materials. The invention provides the preparation method for the melted connection joint of the fiber reinforced PBT composite materials by using the characteristic of very low melt viscosity of CBT, namely a new melting connection technology of heating a resin matrix in a surface to be connected of the composite materials to be partially melted and then cooled and consolidated is used to provide a connecting technology and method for preparing large components made of PBT composite materials. Compared with the traditional thermoplastic composite material connection technology, the preparation method for the melted connection joint of the fiber reinforced PBT composite materials is the process with high performances and low cost, and further can be used for producing lightweight, high-strength and large-sized connecting structures of thermoplastic composite materials.

The invention discloses a vulcanization mold, which comprises a vulcanization mold body composed of a base and a cushion block; the base comprises a heating plate; a heating cavity is formed in the heating plate; a heating pipe is arranged in the heating cavity, and the top of the heating plate is fixedly connected with the bottom of the cushion block; a heat insulation block is fixedly connected to the bottom of the heating plate; a sliding mechanism is fixedly connected to the bottom of the heat insulation block; the sliding mechanism comprises a bearing block; a hydraulic cavity is formed in the bearing block; an elastic clamping ring is fixedly connected to the top of the inner wall of the hydraulic cavity; and an outer pushing block is fixedly connected to the bottom of the elastic clamping ring. The invention relates to the technical field of molds. According to the vulcanization mold provided by the invention, the problems that the mold is too heavy and inconvenient to move, the mold does not have a heating function and must be heated through heating equipment, and when an evaporator vulcanization plate is debonded in the vulcanization process, repeated adjustment can only be conducted by adding gaskets through experience are solved.

The invention discloses a plastic steel winding pipe. The plastic steel winding pipe comprises a plurality of corrugated pipes; a female connecting opening and a male connecting opening which can be mutually snapped are formed in two openings of every corrugated pipe; every corrugated pipe comprises an inner pipe and strip-shaped sectional materials; the strip-shaped sectional materials wind on the inner pipes in a spiral shape; gaps are formed in one lateral side of the strip-shaped sectional materials along the length direction; the gaps cover the other lateral side of the strip-shaped sectional materials in an occlusal mode when the strip-shaped sectional materials wind on the internal pipes. According to the plastic steel winding pipe, the strip-shaped sectional materials wind on the internal pipes, so that the straight pipe bending is achieved when winding is achieved, meanwhile the inner wall smoothness is not influenced, and water flow unobstructed resistance is reduced; the ring stiffness of the plastic steel winding pipe is adjusted due to adjustment of the strip-shaped sectional materials to satisfy different production wall requirements; the connection which can be performed through capacitance technology is rapid and convenient due to the fact that heating wires are buried in the connecting openings in advance.

The invention discloses a duplex planetary gear train torque directional distribution electric drive axle. The drive axle comprises a main drive motor, a TV control drive motor and a duplex planetarygear train, wherein a power output shaft of the main drive motor is connected with a shell of a bevel gear differential mechanism through a speed reduction mechanism; a first axle shaft is rotationally supported on the shell, penetrates through the shell and is connected with a first axle shaft gear of the bevel gear differential mechanism, and a second axle shaft is rotationally supported on theshell, penetrates through the shell and is connected with a second axle shaft of the bevel gear differential mechanism; and the duplex planetary gear train comprises a first sun gear, a second sun gear, a first end planet gear, a second end planet gear and a first planet carrier. The torque of wheels on the left side and the right side is distributed at will.

The invention discloses a knife holder beneficial to drying. The knife holder comprises a main body base, a plurality of knife surface clamping grooves, and a through channel, wherein the main body base is obliquely arranged; the knife surface clamping grooves are used for containing the knife surfaces of kitchen knives; the plurality of knife surface clamping grooves penetrate through the top andthe bottom of the main body base; the knife surface clamping grooves communicate with the side vertical surfaces of the main body base through exposed openings; the exposed openings form a pair of stop edges which extend towards each other on each knife surface clamping groove; the vertical distance between the two stop edges on the same knife surface clamping groove is smaller than the width ofeach knife surface; and the through channel is positioned in the main body base and vertically penetrates through all the knife surface clamping grooves. The through channel further communicates witha ventilation channel; the ventilation channel is located in the main body base; and one end of the ventilation channel communicates with the middle of the through channel, and the other end of the ventilation channel communicates with the common adjacent surface of a pair of the opposite surfaces where the exposed openings are located. By the adoption of the knife holder, the kitchen knives placed on the knife holder can be quickly air-dried on the premise of ensuring smooth insertion and extraction of the kitchen knives, and the most areas of the two sides of each knife surface are in full contact with air.

The invention discloses a steel plate bending device for a building curtain wall and a using method, and belongs to the technical field of constructions. The steel plate bending device comprises a workbench, wherein a cavity is formed in the workbench, a supporting frame is fixedly connected to the upper surface of the workbench, a clamping mechanism is arranged in the cavity, a cross rod is fixedly connected to the back face of the supporting frame, a round rod is fixedly connected to the middle of the front face of the cross rod, a first hinge rod and a second hinge rod are rotationally connected to the outer surface of the round rod, and a top groove is formed in the inner top wall of the supporting frame. According to the steel plate bending device, through the cooperative design of the clamping mechanism, the cross rod, the round rod, the first hinge rod, the second hinge rod and a first electric push rod, when a motor rotates, a chain wheel is driven to rotate, the chain wheel drives a two-way screw rod to rotate, and two-way screw rod rotates to enable two moving blocks to move in opposite directions in a sliding way, when the moving blocks move towards the middle part of the workbench, and a steel plate can be clamped left and right, so that the effect of transversely clamping the steel plate can be achieved.

The invention discloses a plastic steel winding pipe. The plastic steel winding pipe comprises a plurality of corrugated pipes; a female connecting opening and a male connecting opening which can be mutually snapped are formed in two openings of every corrugated pipe; every corrugated pipe comprises an inner pipe and a winding layer which winds on the internal pipe in a spiral mode; the winding layer is made of a steel belt. According to the plastic steel winding pipe, the winding layers are formed due to the fact that the steel belts wind on the internal pipes, so that straight pipe bending is achieved during winding of the steel belts, meanwhile the inner wall smoothness is not influenced, and water flow unobstructed resistance is reduced; the ring stiffness of the plastic steel winding pipe is adjusted due to adjustment of the thickness of the steel belts to satisfy different production wall requirements; the connection which can be performed through capacitance technology is rapid and convenient due to the fact that heating wires are buried in the connecting openings in advance.