38results about How to "Effect of flatness" patented technology

The invention relates to automatic rubber hose cutting equipment and an automatic rubber hose cutting technology. The automatic rubber hose cutting equipment comprises a bottom plate, a supporting device and a cutting device, and the supporting device and the cutting device are sequentially installed on the bottom plate from left to right; the supporting device comprises a fixing plate, a fixed frame, a movable air cylinder, an inner wall supporting mechanism and an outer wall supporting mechanism; the cutting device comprises a linear guide rail, an electric sliding block, a working plate, aworking gear, a driving gear, a driving motor, a rotating ring, a rotating gear, a rotating motor, a supporting air cylinder, a supporting plate, a rotating rod, a sliding frame, a mounting frame, a cutting motor and a cutting blade. The invention further provides a using method of the automatic rubber hose cutting equipment. The equipment and the technology can solve the problems that in an existing rubber hose cutting process, the labor cost is high, the working efficiency is low, the cutting surface is not smooth, safety hidden hazards exist and the surface of a rubber hose is easily scratched, and the function of automatically cutting the rubber hose can be achieved.

The invention discloses a decorative wall with ultrathin oversized indoor decorating plates. The decorative wall comprises a longitudinal keel assembly, a transverse keel assembly and the decorating plates and is characterized in that the transverse keel assembly consists of an upper keel, at least one middle keel and a lower keel; one ends of the upper and lower keels are respectively provided with an accommodating groove, and the other ends of the upper and lower keels are provided with cross rods connected with the longitudinal keel assembly, so as to form an F shape; the openings of the accommodating grooves of the upper and lower keels are opposite; and one ends of the middle keels are respectively and oppositely provided with an accommodating groove, and the other ends of the middle keels are provided with cross rods connected with the longitudinal keel assembly, so as to form a shape like a Chinese character 'shi'. The method comprises the following steps of: arranging a framework basal layer on a wall main body; arranging the upper keel on the top of the framework basal layer and arranging the lower keel at the bottom of the framework basal layer; arranging the middle keels between the upper keel and the lower keel; and arranging the decorating plates in the accommodating grooves by adopting an upward-insertion and downward-falling manner. According to the decorative wall, by virtue of combining the F-shaped keels and the keels in the shape of a Chinese character 'shi' for use, the ultrathin and oversized decorating plates can be installed; and the construction is convenient and the service life is long.

The invention relates to a powder metallurgy sintering method of a non-magnetic steel structural component. A powder metallurgy sintering device is adopted for carrying out sintering. The powder metallurgy sintering method comprises the following steps that a green body of the non-magnetic steel structural component is obtained; the powder metallurgy sintering device is provided with a tray used for containing the green body, and sand is laid at the bottom of the tray so as to form a placing sand layer; and the green body is placed on the placing sand layer to be sintered, and the non-magnetic steel structural component is obtained. According to the powder metallurgy sintering method, size changes generated before and after non-magnetic steel structural component sintering can be reduced, and the tolerance of the non-magnetic steel structural component can meet the market requirement.

The invention provides a preparation method of a high-opening-ratio mask board. The preparation method comprises the following steps: step 1, coating a photo-curing material on the surface of the mask board; performing ultraviolet irradiation and curing on the photo-curing material in a mask board main body region and in a connecting bridge retention region to form a low polymer; washing and removing the uncured photo-curing material from the surface of a to-be-corroded region of a connecting bridge, then soaking the mask board of which the surface is coated with the low polymer into a corrosive solution to remove the to-be-corroded region of the connecting bridge so as to obtain the mask board of which the surface is coated with the low polymer; step 2, removing the low polymer from the surface of the mask board to obtain the high-opening-ratio mask board. By reducing the width of the connecting bridge of the mask board main body, the opening ratio of the mask board can be effectively increased and can be increased by 30% to 50% specifically.

The invention discloses a detection device for pipe fitting production. The device comprises a fixed base, and fixing rods are fixed to the two sides of the outer wall of the top of the fixed base. Two second telescopic rods are fixed on the outer walls of the opposite sides of the two fixed rods; a clamping plate is fixed to the outer wall of one side of the second telescopic rod. Fixing groovesare formed in the outer walls of the opposite sides of the two clamping plates, restraining plates are bonded to the inner walls of the opposite sides of the fixing grooves, a plurality of convex teeth distributed at equal intervals are arranged on the outer walls of the sides of the restraining plates and the inner walls of the sides of the fixing grooves, wherein the convex teeth are in a caninetooth shape; and fixing shafts are fixed to the outer walls of the tops of the two fixing rods. According to the detection device, a U-shaped pipe is prevented from sliding off from the clamping plate and thus the deviation of detection data of the U-shaped pipe is avoided, the U-shaped pipe is prevented from sliding off to influence detection of the U-shaped pipe, and the clamping plate is prevented from clamping the U-shaped pipe with large force to damage the surface of the U-shaped pipe.

The invention discloses a nailing device for paperboard production and relates to the technical field of paperboard production. The nailing device comprises a machine tool, a rack is erected above themachine tool, bottom legs of the left and right ends of the rack and the top walls of the left and right sides of the machine tool are welded, a lifting device is installed on the bottom wall of themiddle portion of the rack, a nailing mechanism is installed at the bottom end of the lifting device, a working platform is installed at the middle portion of the top wall of the machine tool, a nailing table is mounted on the bottom wall of the working platform, a paperboard is placed above the nailing table, the lifting device and the nailing mechanism are suspended above the paperboard, and theleft and right sides of the paperboard are provided with limiting side frames. According to the nailing device, a waste residue tank can temporarily store plate slag generated in the nailing process,the plate slag directly falls into the waste residue tank, influences of the plate slag on flatness of the table top are avoided, the paperboard can be placed horizontally on the table top of the nailing table, and influences on the precision of paperboard nailing and positioning are reduced.

The invention discloses a hydrophobic and oleophobic coating liquid for automobile glass, and the hydrophobic and oleophobic coating liquid comprises the following components by weight: 0.5-5 parts ofa fluorosilane coupling agent, 5-20 parts of water, 0.5-5 parts of a catalyst, 70-92 parts of a solvent and 0-2 parts of an auxiliary agent. The hydrophobic or oleophobic coating liquid for the automobile glass solves the following problems existing in the prior art: (1) weather resistance of a conventional glass coating agent is poor; (2) self-cleaning ability of the conventional glass coating agent is poor; the conventional glass coating agent is hydrophobic but non-oleophobic; (3) the conventional glass coating agent easily causes jumping of windscreen wipers; and (4) the conventional glass coating agent is high in refractive index.

The invention discloses a temperature sensor structure which comprises the components of a sensor which is used for detecting the temperature of an object; a heat conduction piece which is provided with a contact surface in contact with a measured object, and a mounting hole is formed in the contact surface in a penetrating manner; a heat conduction sleeve clamp which is fixedly arranged in the mounting hole, and a clamping channel is formed in the heat conduction sleeve clamp; and a clamping elastic sheet which is arranged on the heat conduction sleeve clamp and is provided with an abutting end, and the abutting end extends into the clamping channel and abuts against the outer wall of the sensor, so that the outer wall of the sensor abuts against the inner wall of the clamping channel. The temperature sensor is provided with the heat conduction piece, the heat conduction part plays a role of a heat conduction medium, and the contact area between the temperature sensor and the surfaceof the capillary is increased through the heat conduction part, so that the temperature sensor accurately detects the surface temperature of the capillary; and the heat conduction sleeve clamp and theclamping elastic sheet are arranged, so that the temperature sensor can abut against and be attached to the heat conduction piece, the influence of external factors on the detection result of the temperature sensor is further reduced, and the detection accuracy of the temperature sensor is improved.

The invention discloses a method for counting bacteria after filtering with filter membrane. It comprises following steps: filtering sample on filter membrane to make the bacteria in sample be cutted off on filter membrane, pouring solid or semi- solid culture medium on the back surface of bacteria- containing filter membrane, culturing, and colony counting. The temeprature of said solid pr semi- solid culture medium is not larger than 45 Deg. C, and it is in flow state during pouring. The invention is characterized in that it is unecessary for filter membrane to be shifted after filtering, which reduces pollution caused during filter membrane shift and obviously increases result accuracy; it avoids bubble generation and space between filter membrane and culture medium, and free from influence of planeness of filter membrane and operational technology; solves problems of unstable pad pasting and slide filter membrane, and greatly reduces manual effort, material resources and time.

The invention discloses a resistance welding machine capable of automatically rolling plates. The resistance welding machine comprises a rack, a rotating welding wheel is arranged in front of the rack, the welding wheel is connected with a front-back sliding device and a first lifting device, a cylindrical lower welding electrode extending in front of the rack is arranged below the welding wheel,and a left arc stamping die and a right arc stamping die are arranged on the left side and the right side of the lower welding electrode correspondingly. The left arc stamping die and the right arc stamping die are connected with a left sliding device and a right sliding device correspondingly, a lower arc stamping die is arranged below the lower welding electrode, a second lifting device is connected below the lower stamping die, and the left arc stamping die, the right arc stamping die and the lower arc stamping die can be spliced into a cylinder with a welding gap. The resistance welding machine capable of automatically rolling the plates has the advantages of simple process, accurate workpiece positioning, high production efficiency, good welding quality and the like.

The invention belongs to the field of door and window production, and particularly relates to aluminum alloy cutting equipment for door and window production. The aluminum alloy cutting equipment comprises a base, a fixing plate is fixedly mounted at the top of the base, a supporting column is connected to the top of the fixing plate, a lifting column is connected to the outer wall of the supporting column, and a top plate is fixedly connected to the top of the lifting column. According to the aluminum alloy cutting equipment, after cutting is completed, cut aluminum alloy profiles can be guided into a notch in a pushing mode, then aluminum alloy profile grooves can be guided into a storage frame under the guiding effect of a first limiting rod and a second limiting rod, manual operation is not needed, under effective limiting, the aluminum alloy profiles can be stacked in order, and meanwhile, along with the cutting adjustment of different lengths, a second limiting rod can also be adjusted along with the cutting adjustment of different lengths, so that the limiting accuracy of the cut profile is effectively guaranteed, the labor intensity of workers can be greatly reduced, integrated operation is achieved, and the cutting efficiency is effectively improved.

The invention discloses an LNG ship pump tower base helium test method. According to the method, two helium test tools are arranged on a pump tower base, and the two helium test tools are used for helium test, so that the efficiency of the method is improved by more than one time, the working difficulty is reduced, the manpower consumption is reduced, the construction time is greatly reduced, and the building efficiency of the ship is improved.