30results about How to "Easy to mold at one time" patented technology

The invention relates to a combination cutter. The combination cutter comprises a cutter handle and a cutter bit; one end of the cutter handle is connected to one end of a supporting rod by welding; the right end surface is an arc-shaped convex surface; the left end surface of the supporting rod is an arc-shaped concave surface adapting to the arc-shaped convex surface; the cutter bit is connected to the other end of the supporting rod; the cutter bit comprises a front cutting part, a rear cutting part and a bevel cutting part; one end of the bevel cutting part is at an taper angle of 102 degrees and is connected with the supporting rod, and the other end of the bevel cutting part is connected with one end of the rear cutting part; the front cutting part is connected with the rear cutting part through an arc-shaped cutting part; a grinding wheel is arranged in the middle part of the supporting rod; and the grinding wheel has the outer circle diameter the same as that of the rear cutting part. The combination cutter is able to perform milling and grinding once, so that the time is saved, and the efficiency is improved.

The invention discloses a power divider and an application method thereof, wherein the power divider body of the power divider is in plate-shaped ring type and three antennas are distributed equally at the external edge of the power divider body. Three antennas of the power divider are respectively welded with cable conductors fixedly by homogeneous materials, and a cable inner conductor is welded at the upper part of the plate-shaped ring-type hollow part, with a welding point positioned just at the ring-type hollow part of the power divider, thus ensuring the convenient welding of the cable inner conductor and the disconnection between the inner conductor and an external conductor simultaneously.

The invention relates to a hot isostatic pressing preparation method of a nickel oxide-based ceramic target material. The method comprises the following steps: A, performing raw material preparation:preparing mixed powder of nickel oxide powder and doped source powder, the total mass fraction of doped source elements in the mixed powder not being higher than 10%, and the doped source being selected from one or more of Li, Na, Mg, Al, Si, K, Zn, Zr, Mn, Cu, Cr, V, W and Ti, the purity of the nickel oxide powder and the doping source powder being higher than 99.99%, the average particle size being 500 nm-2 microns, and the D50 particle size is 50 nm-800 nm; B, performing spray drying; C, loading the product into a sheath mold; D, performing vacuum degassing; E, performing hot isostatic pressing treatment, specifically, the pressure intensity being 50-200 MPa, the sintering temperature being 500-1200 DEG C, the heat preservation time being 1-5h, and the temperature rising speed being 0.5-3 DEG C/min; F, obtaining a sintered blank; and G, carrying out machining or not carrying out machining according to needs to reach the designed size to obtain a target material finished product.

The invention relates to an EVA in-mold bubble one-time forming mold and a forming method. Foot-shaped inserts matched with lower mold cavities to form sole bulges are arranged on a lower mold plate,five protruding blocks used for forming an anti-skid concave face are arranged on the areas, corresponding to the toe portions of a foot, of the upper surface of each foot-shaped insert, first concavecavities are formed in the area, corresponding to the forefoot part of the foot, of the upper surfaces of the foot-shaped inserts, second concave cavities are formed in the inner side and the outer side of the area, corresponding to the arch part of the foot, of the upper surfaces of the foot-shaped inserts correspondingly, third concave cavities are formed in the area, corresponding to the heelpart of the foot, of the upper surfaces of the foot-shaped inserts, and arc-shaped concave parts matched with the lower mold cavity to form upper forming channels are arranged on the foot-shaped inserts. The forming mold is conveniently used for one-time forming of shoes made of EVA materials.

The invention provides a manufacturing device of a 1500kg eight-square ingot model. The device comprises a mold and a cap section; according to the cap section, the outer wall is in an annular shape, an inner cavity is in a round table shape, the height is 24cm, and two lifting handles are symmetrically arranged on the outer side face; the outer wall of the mold and the surface of the inner cavity are both in top-pruning right eight-square conical shapes, the taper ranges from 2.3 to 2.7, and the diameter of the center of the inner cavity is 43 cm; the structure is simple, disassembling is convenient, and the manufacturing cost is reduced.

The invention relates to an integrated membrane sheet and ring and an auscultation head. The auscultation head comprise two end surfaces of an auscultation head main body, wherein the two end surfacesare a bowl-shaped first surface and a second surface provided with a vibrating membrane, and are oppositely arranged in the opposite directions, the periphery of the second surface is provided with an edge, a one-sheet type membrane sheet and ring is assembled on the edge of the second surface of the auscultation head main body, the one-sheet type membrane sheet and ring comprises a membrane sheet part having a flat plate shape and an annular part connected to the periphery of the membrane sheet part, the annular part and the membrane sheet part are integrally formed, and the annular part isbuckled on the edge of the second surface of the auscultation head main body part. According to the invention, the auscultation head can reduce audio attenuation, is made of a non-toxic, odorless andflexible polymer material, and is easy to assemble, the hardness of the membrane ring material can be selected according to needs, the surface can also be machined, and the touch feeling is comfortable; the upper edge adopts wide edge design, tightly sleeves the main body, is not easy to separate, is attractive and elegant, and is convenient to use; and the machine is subjected to one-time formingso as to reduce the cost and improve the yield.

The invention discloses a graphene/gallium arsenide solar cell with an array micro-nano lens structure and a preparation method of the graphene/gallium arsenide solar cell. The graphene/gallium arsenide solar cell sequentially comprises a back electrode, a gallium arsenide layer, a graphene layer, a gate electrode and a thin film with a surface array micro-nano lens structure from bottom to top. The graphene/gallium arsenide solar cell prepared by the invention has the advantages of higher light utilization efficiency, enhanced light absorption on the surface of the cell, improved photoelectric conversion efficiency and the like, and the prepared thin film with the micro-lens structure can better collect incident light on the surface of the cell, so the photovoltaic effect of the solar cell is facilitated; and the preparation of the graphene/gallium arsenide solar cell with high conversion efficiency is facilitated.

The invention relates to the field of bearings, and discloses a linear bearing applicable to a square tube. The linear bearing comprises a bearing outer sleeve, a first retainer and a plurality of first rolling bodies; the first retainer is provided with a plurality of spaced circulating roller paths; the first rolling bodies are connected in the circulating roller paths in a rolling manner; the first retainer comprises a first frame body and a second frame body arranged outside the first frame body in a sleeving manner; each circulating roller path comprises a first roller path body arrangedon the first frame body and a second roller path body arranged on the second frame body, a square sliding hole used for sleeving the square tube is formed in the first frame body in the axis direction, the first roller path body communicates with the sliding hole of the first frame body to form a first crack groove, the second roller path body communicates with the outer side of the second frame body to form a second crack groove, the first crack groove and the second crack groove are formed in the axis direction of the bearing outer sleeve, the widths of the first crack groove and the secondcrack groove are smaller than the diameter of each first rolling body, the first rolling body in the first crack groove abuts against the square tube, and the first rolling body in the second crack groove abuts against the inner wall of the bearing outer sleeve.

The invention discloses folding packaging and sealing equipment for a flip type packaging box, and relates to the field of packaging boxes. The folding packaging and sealing equipment comprises a mechanism seat, a cutting mechanism, a folding mechanism, a packaging mechanism and a paperboard. The mechanism seat is a fixing platform of the whole equipment, the paperboard is placed on the mechanism seat through a conveyor belt, and the cutting mechanism is arranged right above the paperboard. The cutting mechanism is used for cutting and forming the paperboard at a time through cooperation of a cutting piece and an inner body piece, the folding mechanism is arranged below the cutting mechanism, when the paperboard reaches the folding mechanism, the folding mechanism is responsible for folding the paperboard into the shape of a packaging box, and then the packaging mechanism is used for conducting pasting and packaging operation on several folded faces.

The invention discloses a connecting method of a cue. According to the connecting method of the cue, a connecting rod (1), an inner cylinder (2) and an outer cylinder (3) are used, wherein the connecting rod (1) is connected to the tail end of a front cue branch and is a cylinder with a smooth surface, the connecting rod (1) is provided with no threads, a rear cue branch is formed by the inner cylinder (2) and the outer cylinder (3), the inner cylinder (2) and the outer cylinder (3) are connected through threads, the outer diameter of the front section of the inner cylinder (2) is identical with that of the outer cylinder (3), the inner diameter (2) of the inner cylinder (2) is identical with the outer diameter of the connecting rod (1), the outer diameter of the rear end of the inner cylinder (2) is identical with the inner diameter of the outer cylinder (3), two or more hollow grooves are formed at positions, close to the front section, of the rear end of the inner cylinder (2), the lower end of each hollow groove is connected with an elastic piece (4), the elastic pieces (4) tilt outwards under the condition that the elastic pieces (4) are not squeezed by external force, the elastic pieces (4) are withdrawn towards the hollow grooves when the elastic pieces (4) are pushed upwards in a rotary mode through threads together with the outer cylinder (3) and come close to the front end of the inner cylinder (3), and then the connecting rod (1) stretching into the inner cylinder (2) is clamped. The connecting method of the cue has the advantages that the length of the cue can be adjusted directly, and connection of the cue is firm.

The invention discloses a combined double-shaft shredding machine and a working method thereof and belongs to the technical field of shredding machines. The combined double-shaft shredding machine comprises crushing rolls, a case, a shredding tool, a first power system and a second power system. The first power system and the second power system are installed on the case, an inclined rolling platform is arranged on the upper feeding portion of the case, the crushing rolls are fixed to two sides of the rolling platform through bearings and connected with the first power system, and the effective distances from the crushing rolls to the rolling platform are 10-15 mm. The shredding tool is arranged in the case, the second power system is connected with the shredding tool, and a discharging port of the rolling platform is located above the shredding tool. Due to the fact that the crushing rolls are installed on the double-shaft shredding case, kitchen waste is evenly fed to the crushing rolls through a conveyor, hard bones are crushed, then the kitchen waste is fed to the double-shaft shredding machine to be smashed, the discharging size of the shredding machine can be controlled within the range from 3 mm to 5 mm in this way, and thus the discharging size requirements of customers are met.

The invention provides a rubber roller forming mold and a processing method thereof. The mold includes a mold body, and a cavity is formed in the mold body. The cavity includes a first cavity body anda second cavity body communicating with each other. The inner diameter of the first cavity body is smaller than the inner diameter of the second cavity body, the inner wall of the first cavity body is a curved surface, and the mold body is provided with a feeding port. According to the scheme, the forming of rubber rollers at one time is facilitated, the subsequent processes of rubber roller production and processing are reduced, the processing efficiency and the processing quality of the rubber rollers are effectively improved, the structural strength of the rubber rollers is effectively improved, the risk of degumming is reduced, the connection strength between a hard rubber layer and a soft rubber layer is improved, the glossiness of the surfaces and the concentricity of the rubber rollers are improved, and the service life of the rubber rollers is effectively prolonged.