52results about How to "Not easy to paste" patented technology

The invention discloses a test piece dynamic lateral strain measuring device and method based on an SHPB test system, and belongs to the field of dynamic mechanical property testing of brittle materials such as coal rock by adopting the SHPB test system. The device comprises a fixing system, an oil pressure system and a data acquisition system; the fixing system is used for fixing the whole deviceon an SHPB test bed and adjusting the height of the device; the oil pressure system is used for applying required confining pressure to the test piece and converting a volume change signal of the test piece into an oil pressure change signal; the data acquisition system is used for capturing signals of oil pressure changes and obtaining a time-history change curve of lateral strain. The confiningpressure is applied to the test piece by utilizing the oil pressure system, comprehensive confining pressure loading of the test piece is simulated, and the comprehensive confining pressure loading and axial acting force caused by the split Hopkinson pressure bar device act together, so that simulation of a complex stress state of the test piece is realized; the relation between oil pressure andlateral strain is obtained through signals of oil pressure changes caused by the lateral strain so as to calculate the lateral strain.

The invention relates to a printing ink and a production process thereof, in particular to a cigarette tipping paper coated printing white printing ink and the production process thereof. The printing ink comprises the materials of titanium pigment, talcpowder, superfine calcium carbonate, polyvinyl butyral, rosin resin, isopropyl alcohol, dioctyl ester and ethanol. The production process of the printing ink comprises the following steps of: (1) weighting the titanium pigment, the talcpowder, the superfine calcium carbonate, the polyvinyl butyral, the rosin resin, the isopropyl alcohol, the dioctyl ester and the ethanol according to a weight ratio; (2) stirring the materials in the step (1) into non-dried powder; (3) putting the materials in the step (2) into a sand mill to perform sand grinding; and (4) filtering the material in the step (3) by using a 20-30-mesh sieve to obtain a finished product. The printing ink has the advantages of low cost, difficult plate pasting during coated printing and little odor.

The invention discloses a partition board supplying device for an automatic sheet packing machine, which comprises a rotating disc, wherein a mandrel penetrates through the central part of the rotating disc vertically; the mandrel is connected with a speed reducer behind the rotating disc; the outer circumference of the mandrel is in sleeve joint with a partition board mounting jacket in front of the rotating disc; a partition board coil is installed on the partition board mounting jacket; and a partition board quick separation mechanism that separates partition boards from the rotating partition board coil is also arranged on the partition board supplying device. The partition board quick separation mechanism is arranged on the partition board supplying device, and the partition boards that are stuck together can be forcibly separated under the power generated by the rotation of the partition board coil because a separation pin is positioned between the two partition boards all the time and then can be output through a separation guiding wheel when the partition board coil rotates under the driving action of the partition board mounting jacket, so that the partition boards on the partition board coil can be prevented from being stuck together and being not easy to be separated, and the continuous supplying of the partition boards for the sheet packing machine can be ensured.

The invention relates to a multifunctional grinding tool. The multifunctional grinding tool comprises a base body; a grinding layer wraps the four sides of the base body; the grinding layer is that the upper surface is an inclined tapered surface grinding layer, the lower surface is a horizontal surface grinding layer, and the side surface is a cylindrical side surface grinding layer; a rotating shaft hole is formed in the center of the base body. The grinding tool is multifunctional, safe, convenient, and long in service life.

Provided is a button switch capable of reliably operating even when pressed in an inclined manner. The button switch comprises a movable contact component, a housing, and a sheet. The movable contact component comprises a bulge portion in a dome shape. The housing comprises an accommodating portion for accommodating the movable contact component and a fixed contact component capable of contacting the movable contact component. The sheet is pasted on a side of the top surface of the housing and comprises a pressing member pressed from an outer side. The structure of the button switch is configured in a manner that in a top view observing the housing of the button switch from top, the appearance shape of the housing is approximately a rectangle; that in the extending direction of at least one group of groups formed by every two oppositely-arranged sides of four sides forming the appearance shape of the housing, at least a part of the top surface of the housing forms a state that the height of the two end portions of the housing from the bottom surface to the top surface of the housing is lower than that of the central part of the housing.

The invention relates to a dryer suitable for guniting corn flakes. The dryer comprises a cylindrical body, a scattering device, and an arc shoveling plate. The cylindrical body is a single layer cylindrical body. The scattering device comprises a rotating shaft installed in the cylindrical body in a cooperation manner, and scattering components installed on the rotating shaft. The rotating shaft is arranged below the longitudinal axis of the cylindrical body in a staggered manner. The axis of the rotating shaft is parallel to the axis of the cylindrical body. The scattering components are arranged on the rotating shaft at a certain interval in a cooperation manner. The scattering component comprises fins and horizontal fins cooperatively arranged on the fins. The arc shoveling plate is a first metal plate cooperatively arranged on the inner wall of the cylindrical body. The dryer makes materials rapidly dry under the action of hot wind, and prevents the materials from sticking on the cylinder wall, so as to improve drying efficiency of the dryer and reduce production cost.

The invention discloses a thick needle triangular block of a knitting machine. The triangular block body is provided with a knitting guide groove, the knitting guide groove comprises a needle inlet chute section and a return needle chute section, the upper ends of the needle inlet chute section and the return needle chute section are in smooth transition, the lower end of the return needle chute section is connected with a translation groove section, the lower end of the translation groove section is connected with a needle withdrawing chute section, the joints of the return needle chute section and the translation groove section are in smooth transition, and the joints of the translation groove section and the needle withdrawing chute section are also in smooth transition; and the oblique included angle alpha of the needle inlet chute section is 25 to 30 degrees, the oblique included angle beta of the return needle chute section is 25 to 30 degrees, and the height h from the translation groove section to the top of the knitting guide groove is 2 / 5 to 3 / 5 of the height H of the knitting guide groove. By increasing the translation groove section, reasonably setting the height from the translation groove section to the top of the knitting guide groove and matching corresponding knitting processes, the woven fabric has light and thin structure, softness, good air permeability, elasticity and extensibility and low loosening property, is cool to wear, is not easy to stick the skin and is popular among people.

The invention discloses an antifog sheet, which comprises a base material layer, a metal plastic sheet layer, reflection particles, a decorative film, an extinction film and a silicone oil layer. The base material layer is prepared by blending a PBT material with a PET material and adding a catalyst, a flame retardant and an antioxidant, the metal plastic sheet layer, the reflection particles, the decorative film, the extinction film and the silicone oil layer are disposed on the base material layer surface integratedly in order, and the silicone oil layer is completed by a silicone oil spray system disposed above a coiling apparatus. The antifog sheet provided by the invention has the characteristics of flame retardance, high temperature resistance, oxidation resistance, low production cost, difficult scratching of silicone oil sprayed surface, and reeling part sticking.

The invention relates to a modified peach gum paste for acid dye printing of silk fabrics, a preparation method and application thereof. The paste in the present invention is prepared from peach gum through carboxymethyl modification, sulfonation modification and crosslinking modification. The peach gum paste prepared by the invention is used for acid dye printing of silk fabrics, and the prepared printed fabric has the characteristics of depaste rate higher than 90%, good softness, high contour definition, permeability higher than 86% and dry friction resistance It has the characteristics of high color fastness and soaping color fastness, and has a good application prospect.

The invention relates to the field of plastic processing, in particular to a plastic granulator and aims to solve the problem of plastic particle adhesion and improve plastic particle size uniformity.The plastic granulator comprises a first mounting plate, a first collecting frame, supporting seats, an air drying frame, a first bearing seat, a first pulley, a first flat belt, a fourth rotating shaft, a third mounting plate and the like. A second mounting plate is fixedly connected to a lateral portion of the first mounting plate, and the air drying frame is fixedly connected to a lateral portion, away from the second mounting plate, of the first mounting plate. The first bearing seat is embedded to a lateral portion of the air drying frame. The plastic granulator has advantages that the plastic particles accumulated after granulation are less prone to adhesion, and the manufactured plastic particles can be screened and classified to guarantee plastic particle uniformity.

The invention discloses a polycarboxylic acid water reducer for a pre-stressed high-strength concrete pipe pile. The water reducer comprise the following components: methallyl polyoxyethylene ether 2400, isoprenol polyoxyethylene ether 2400, acrylic acid, maleic anhydride, sodium methacryl sulfonate, N-hydroxymethyl acrylamide, a 30% sodium hydroxide solution, a chain transfer agent, an oxidant, a reductant, a water softener and a 30% sodium hydroxide solution used for adjusting the pH value of the solution, wherein the mass ratio of methallyl polyoxyethylene ether 2400 to isoprenol polyoxyethylene ether 2400 is 1:(0.5-2) and the mass ratio of acrylic acid to maleic anhydride is 1:(0-1). The polycarboxylic acid water reducer disclosed by the invention is reliable in quality and when the polycarboxylic acid water reducer is applied in concrete, the concrete has the advantages of low entrained air, short setting time, high strength, good cohesiveness, easiness for centrifugal dehydration and less in possibility of pulp hanging.