34results about How to "Guaranteed shape rules" patented technology

The present invention discloses a processing method of a PCB (Printed Circuit Board) and a PCB. The processing method comprises the steps of: drilling a prebored hole on a board; passing through the prebored hole to mill a first groove, wherein a groove edge of the first groove passes through the center of a circle of the prebored hole; and passing through the prebored hole to mill a second groovebeing perpendicular to the first groove, wherein a groove edge of the second groove is tangent to the prebored hole, and the second groove and the first groove form a T-shaped groove. The prebored hole is drilled in advance to determine the grooving positions and directions of the first groove and the second groove, and therefore, the manufactured T-shaped groove shape rule is ensured to satisfythe production demand.

The invention discloses a green tea processing process, comprising the steps of tea leaf selection, enzyme deactivation, spreading-cooling, impurity screening, strip shaping and pressing, dividing for forming of screen bottom tea and screen surface tea, final-panning on the screen bottom tea and the screen surface tea respectively, and the like. Processed tea is enabled to be mellow and delicious in taste by strictly controlling the steps of enzyme deactivation, spreading-cooling and final-panning, and the processed tea is enabled to be uniform in size and good in forming quality by dividing different sizes of tea into the screen bottom tea and the screen surface tea, and respectively performing final-panning on the screen bottom tea and the screen surface tea respectively.

The invention belongs to special equipment or method for manufacturing a conductor or a cable, and particularly discloses cable production processing equipment. The cable production processing equipment comprises a shell, wherein a detection hot melting cavity is formed in the shell, a detection cylinder and an extrusion cylinder are arranged on a side wall of the detection hot melting cavity, a pipeline is arranged between the detection cylinder and the extrusion cylinder and communicates with the detection cylinder and the extrusion cylinder, a detection piston plate and an extrusion pistonplate are respectively and hermetically arranged in the detection cylinder and the extrusion cylinder in a sliding way, the detection piston plate and the extrusion piston plate are respectively provided with a detection piston rod and an extrusion piston rod, one end, far away from the detection hot melting cavity, of the detection piston rod and one end, far away from the detection hot melting cavity, of the extrusion piston rod respectively extend out of the detection cylinder and the extrusion cylinder, a detection positioning rack and an extrusion positioning rack are respectively arranged at one end, far away from the detection hot melting cavity, of the detection piston rod and one end, far away from the detection hot melting cavity, of the extrusion piston rod, a detection roller and an extrusion roller are respectively and rotatably arranged on the detection positioning rack and the extrusion positioning rack, an electric heating wire is arranged in the extrusion roller, and the detection roller and the extrusion roller are encircled to form a square. By the cable production processing equipment, the problem that a square cable cannot be processed again due to air bubblesin an insulation layer during square cable manufacturing is solved.

The invention discloses a transporting and fixing device capable of moving conveniently for selling of a 3D printer. The transporting and fixing device comprises a supporting base and a top cover, wherein storage grooves are formed in the left and right sides of the supporting base, and wheel grooves are formed in the lower surface of the supporting base; connecting pipes are connected with the left and right ends of the upper surface of the storage grooves through reset rotating shafts, and connecting rods are connected with the inner parts of the connecting pipes through tension springs; thelower ends of the connecting rods are connected with each other through axle external members, treading and pressing rods are arranged on the connecting rods, and idler wheels are connected to both ends of the axle external members; and connecting columns are connected with the four corners of the upper surface of the supporting base through first connecting shafts, and a fixing groove is formedin the upper surface of the supporting base. The transporting and fixing device capable of moving conveniently for selling of the 3D printer is easy to move, the height can be reduced so as to facilitate the storage of the transporting and fixing device, and at the same time, workers can conveniently move the 3D printer on the transporting and fixing device with less effort.

The invention belongs to the technical field of building construction, and particularly relates to a high-strength building concrete column pouring construction method. The high-strength building concrete column pouring construction method is completed through cooperation of a high-strength building concrete column pouring construction device and comprises the following steps of 1, butt joint fixing; 2, pouring and trowelling; 3, standing for heat dissipation; and 4, mold removal and separation. In the pouring construction process of a concrete column, heat generated in the hydration process of the concrete column is effectively dissipated, and the situation that the edge of the concrete column is prevented from being damaged in the process of dismantling a semi-arc plate, and the circumferential surface of the concrete column is scratched are avoided; the shape of the circumferential surface of the concrete column is ensured to be regular, and the pouring quality of the concrete column is improved.

The invention belongs to the technical field of communication equipment, and particularly relates to a manufacturing and machining method for a communication iron tower building assembly type steel structure. The manufacturing and machining method comprises the following steps of 1, steel cutting, specifically, angle steel is cut into four main rods with the same length, and a round pipe is cut into four auxiliary rods with the same length; 2, surface treatment, specifically, hot galvanizing anti-corrosion treatment is conducted on the surfaces of the main rods and the auxiliary rods; and 3, welding and fixing, specifically, the main rods and the auxiliary rods which are subjected to surface treatment are welded together to obtain a single-layer steel structure, wherein the third step is completed through cooperation of a manufacturing and machining device for the communication iron tower building assembly type steel structure. According to the manufacturing and machining method for the communication iron tower building assembly type steel structure, it is guaranteed that the inclination angles of the main rods in the to-be-welded state are the same, and the four main rods incline towards the axis of a guide cylinder; and it is guaranteed that the ends of the main rods in the two adjacent single-layer steel structures can be accurately connected together in a butt-joint mode.

The present invention discloses a processing method of a PCB (Printed Circuit Board) and a PCB. The processing method comprises the steps of: drilling a prebored hole on a board; passing through the prebored hole to mill a first groove, wherein a groove edge of the first groove passes through the center of a circle of the prebored hole; and passing through the prebored hole to mill a second groovebeing perpendicular to the first groove, wherein a groove edge of the second groove is tangent to the prebored hole, and the second groove and the first groove form a T-shaped groove. The prebored hole is drilled in advance to determine the grooving positions and directions of the first groove and the second groove, and therefore, the manufactured T-shaped groove shape rule is ensured to satisfythe production demand.

The invention belongs to the technical field of furniture, and specifically relates to a stamping and forming machine for metal furniture curved panels, including a horizontal bottom plate, a guide sleeve is installed on the bottom plate through a bracket, an inclined plate is installed inside the guide sleeve, and a pressure block is installed on the top surface of the inclined plate; A wedge-shaped block is installed on the bottom plate, and a U-shaped frame is installed on the upper surface of the bottom plate. Two guide plates are installed on the bottom surface of the horizontal section of the U-shaped frame. A stamping block is slidingly installed between the two guide plates. The level of the stamping block and the U-shaped frame The sections are connected by return springs; the present invention uses two mutually independent pressure-bearing blocks to support and shape the sheet metal. After stamping is completed, the two pressure-bearing blocks are separated from the metal sheet along the inclined path, and the pressure is applied during the separation process. There is no relative sliding between the block and the metal plate, which avoids damage to the surface of the plate.

The invention belongs to the technical field of carton manufacturing, and specifically relates to a carton board cutting and hemming processing machine and a processing method. The carton board cutting and hemming processing machine includes a base, the top surface of the base is provided with a square groove; the outer wall of the base A receiving frame is installed on the top; a cutting mechanism is installed above the receiving frame; the inner wall of the square groove slides vertically with a sealing plate; the bottom surface of the base is rotated and installed with a threaded column; the bottom of the threaded column is vertically fixed and installed with a gear column; A reciprocating motor is installed on the surface, and gears are installed on the output shaft of the reciprocating motor; a limit frame that cooperates with the edge of the carton board is fixed and fixed horizontally on the upper surface of the base; four unloading mechanisms are uniformly arranged on the base. The present invention can ensure that the side walls of the folded carton are in a vertical state, and ensure the regular shape of the carton after bonding; the present invention does not need to manually collect cutting waste materials, and is easy to operate and high in processing efficiency.

The invention relates to a method for positioning and forming a hidden and buried grotto in a geomechanical model test. The method comprises the following steps of: 1) manufacturing a wooden mould which has the same shape as the grotto, fixing a positioning steel rod in the middle at the top of the wooden mould of the grotto, connecting the positioning steel rod with a steel cross beam on a model frame through a positioning bolt, and moving the positioning steel rod up and down by translating the steel cross beam and rotating the positioning bolt to position the hidden and buried grotto precisely; 2) according to the spatial shape of the wooden mould of the grotto, manufacturing a high-strength pressing plate with steel lantern rings which are concentric and have different diameters, and compacting a model material layer by layer by using the high-strength pressing plate; and 3) moving the positioning steel rod up by rotating the positioning bolt, and pulling out the wooden mould to form a modeled hidden and buried grotto. By adopting the method, the modeled hidden and buried grottoes with different shapes and different diameters can be manufactured; the spatial precise positioning of the hidden and buried grotto can be realized; the interference of the model material on the periphery of the grotto in the grotto forming process is reduced; and standard shape, smooth inner wall and uniform and compact peripheral material of the grotto are effectively ensured.

The invention discloses MgO-CaO-ZrO2 bricks for cement kiln hot zones, wherein the components include magnesite clinker or fused magnesia sand containing 94-99% of magnesium oxide 75-85%, light calcium carbonate 3-13%, zirconium dioxide 2-10% or calcium zirconate 2-6%, iron-oxide red as addition agent 1-4%, and balancing sulfite black liquor as binder bonding agent. The invention also discloses a process for making the MgO-CaO-ZrO2 bricks.

The invention discloses a transporting and fixing device capable of moving conveniently for selling of a 3D printer. The transporting and fixing device comprises a supporting base and a top cover, wherein storage grooves are formed in the left and right sides of the supporting base, and wheel grooves are formed in the lower surface of the supporting base; connecting pipes are connected with the left and right ends of the upper surface of the storage grooves through reset rotating shafts, and connecting rods are connected with the inner parts of the connecting pipes through tension springs; thelower ends of the connecting rods are connected with each other through axle external members, treading and pressing rods are arranged on the connecting rods, and idler wheels are connected to both ends of the axle external members; and connecting columns are connected with the four corners of the upper surface of the supporting base through first connecting shafts, and a fixing groove is formedin the upper surface of the supporting base. The transporting and fixing device capable of moving conveniently for selling of the 3D printer is easy to move, the height can be reduced so as to facilitate the storage of the transporting and fixing device, and at the same time, workers can conveniently move the 3D printer on the transporting and fixing device with less effort.

The invention relates to a traditional Chinese medicine raw material dicing device capable of reducing breakage rate. The traditional Chinese medicine raw material dicing device capable of reducing the breakage rate comprises a machine frame, wherein a conveying belt is installed on the machine frame, two dicing cutters distributed in a right angle shape are arranged on the conveying belt, cutterfaces of the dicing cutters are perpendicular to the belt face of the conveying belt, the dicing cutters are connected with an adjustment mechanism A, the adjustment mechanism A is used for adjustingthe two dicing cutters to respectively advance to cut flaky medicine materials in corresponding cutting directions, and the cutting direction of each dicing cutter is parallel to the cutter face of each dicing cutter, and inclines down and points to the direction of the conveying belt. The traditional Chinese medicine raw material dicing device capable of reducing the breakage rate is stable in structure, reasonable in layout, stable in running, capable of achieving continuous dicing processing for traditional Chinese medicine raw materials, and capable of effectively reducing the dicing breakage rate, and meets current use requirements.

The invention provides a soft package lithium-ion battery shape injection molding device, comprising a fixture, a lower cover and an upper cover, wherein a square structure with openings at two ends is adopted as the fixture; the inner side of the top part and the inner side of the bottom part of the fixture are hermetically matched with the upper cover and the lower cover respectively; a base is sleeved outside the bottom part of the fixture; a handle is arranged on the top part of the upper cover; two ends of the bottom part of the upper cover are provided with corner pads; a glue injection hole and a polar lug hole are also formed in the upper cover; a support pillar is arranged on the top part of the lower cover; the materials of the fixture, the lower cover and the upper cover are all die steels; the material of the base is rubber; in use, de-molding agent is evenly sprayed to the bottom part of the upper cover, the inner wall of the fixture and the top part of the lower cover firstly, and drying; then assembling the upper cover, the fixture and the lower cover; and then injecting glue into the injection molding device and curing the injected glue; finally, disassembling the upper cover, the fixture and the lower cover. Due to the adoption of the device, the shape of the monomer battery is completely protected, the regular shape of the injected monomer battery is guaranteed, and furthermore the service life of the injection molding device is prolonged.

The invention belongs to special equipment or method for manufacturing a conductor or a cable, and particularly discloses cable production processing equipment. The cable production processing equipment comprises a shell, wherein a detection hot melting cavity is formed in the shell, a detection cylinder and an extrusion cylinder are arranged on a side wall of the detection hot melting cavity, a pipeline is arranged between the detection cylinder and the extrusion cylinder and communicates with the detection cylinder and the extrusion cylinder, a detection piston plate and an extrusion pistonplate are respectively and hermetically arranged in the detection cylinder and the extrusion cylinder in a sliding way, the detection piston plate and the extrusion piston plate are respectively provided with a detection piston rod and an extrusion piston rod, one end, far away from the detection hot melting cavity, of the detection piston rod and one end, far away from the detection hot melting cavity, of the extrusion piston rod respectively extend out of the detection cylinder and the extrusion cylinder, a detection positioning rack and an extrusion positioning rack are respectively arranged at one end, far away from the detection hot melting cavity, of the detection piston rod and one end, far away from the detection hot melting cavity, of the extrusion piston rod, a detection roller and an extrusion roller are respectively and rotatably arranged on the detection positioning rack and the extrusion positioning rack, an electric heating wire is arranged in the extrusion roller, and the detection roller and the extrusion roller are encircled to form a square. By the cable production processing equipment, the problem that a square cable cannot be processed again due to air bubblesin an insulation layer during square cable manufacturing is solved.

The application discloses a concrete prefabricated component mold, which includes a main body, a first slider, a second slider, an auxiliary connecting piece, a fixing block and a plurality of connecting rods, the main body includes a bottom plate and two opposite side plates, the first The slider is slidably connected with the bottom plate, the first slider is provided with a plurality of first installation holes, and the plurality of connecting rods are installed on the first slider, the second slider is slidably connected with the side plate, and the second slider is provided with The second mounting hole and the connecting hole, the second mounting hole is set corresponding to the first mounting hole, the connecting hole is set corresponding to the end of the connecting rod away from the first slider, the auxiliary connecting piece is provided with an auxiliary hole, and the fixing block is located at the first receiving groove. At one end, the steel bar is located in the corresponding first installation hole, limit hole and second installation hole. The concrete prefabricated component mold disclosed by the invention has simple structure and convenient operation, can quickly complete the installation and fixing of steel bars, and can easily separate the prefabricated component from the concrete prefabricated component mold.

The invention relates to a pot hole drilling machine carried on a vehicle, belonging to foundation engineering construction machinery. The vehicle comprises a front axle, and the pot hole drilling machine comprises a cantilever, an oil pump, a hydraulic unit, a cantilever oil cylinder, a drill lifting mechanism and a drilling mechanism, wherein the lower end of the cantilever is hinged on the front axle; the oil pump is arranged on the front axle and is in transmission connection with a power output shaft of the vehicle; the hydraulic unit is fixedly arranged on the front axle and connected with a hydraulic oil circuit of the oil pump; the cantilever oil cylinder is arranged on the front axle, hinged with the cantilever and connected with an oil circuit of the hydraulic unit; the drill lifting mechanism is arranged on the cantilever and connected with a hydraulic oil circuit of the hydraulic unit; and the drilling mechanism is arranged at the upper end of the cantilever by suspending and connected with the oil circuit of the hydraulic unit and the drill lifting mechanism. The pot hole drilling machine not only can guarantee that the shapes of drilled pot holes are regular, but also has high working efficiency so as to guarantee the progress of construction engineering, and moreover, the labor intensity of constructors can be effectively lightened.

The invention belongs to the technical field of communication equipment, and in particular relates to a method for manufacturing and processing an assembled steel structure of a communication tower, comprising the following steps: Step 1, cutting steel: cutting the angle steel into four main rods of equal length, and cutting the round pipe into four auxiliary rods of equal length; step 2, surface treatment: carry out hot-dip galvanized anticorrosion treatment on the surface of the main rod and auxiliary rod; step 3, welding and fixing: welding the main rod and auxiliary rod after surface treatment together to obtain Single-layer steel structure; wherein, Step 3 is completed with the cooperation of a communication tower to build an assembled steel structure manufacturing and processing device. The invention ensures that the inclination angles of the main rods are the same in the state to be welded, and that the four main rods are all inclined toward the axis of the guide cylinder; the invention ensures that the ends of the main rods in two adjacent single-layer steel structures can be accurately butt together.