156results about How to "Act as a squeeze" patented technology

The invention discloses a centrifugation and pressure filtration double sludge dewatering method. The method comprises the steps: sewage is conveyed into a first rotary drum (2) through a pipeline, the first rotary drum (2) and a spiral pusher (3) are in differential rotation, sludge is thrown to the internal wall of the first rotary drum (2) under the action of centrifugal force, so as to form a solid layer, and a liquid layer is formed at the inner side of the solid layer by water; the sludge treated by a front-section dewatering device is conveyed into a second rotary drum (7) of a rear-section dewatering device, a plurality of chambers are formed between a spiral press filter (8) and the second rotary drum (7), spiral pressure filtration blades (8.2) are made from elastic materials, high-pressure fluid is introduced into the spiral pressure filtration blades, so as to expand the spiral pressure filtration blades, and the expanded spiral press filter rotates and extrudes the sludge. According to the centrifugation and pressure filtration double sludge dewatering method, the front-section dewatering device is mainly used for filtering moisture out of the sewage by means of centrifugation, and the rear-section dewatering device is used for carrying out further treatment on the sewage by means of centrifugation and pressure filtration, so that continuous operation can be carried out, the production efficiency is high, and the moisture content is low after dewatering.

The invention discloses a high-efficiency crushing machine for pharmacy. The high-efficiency crushing machine comprises a machine body, the inner wall of the left side of the machine body is fixedly connected with a power box, the inner wall of the left side of the power box is fixedly connected with a stepper motor, the inner wall of the left side of the power box is fixedly connected with two limiting rods which are disposed on two sides of the stepper motor and are symmetric to each other, and an output end of the right side of the stepper motor is fixedly connected with a screw rod. The high-efficiency crushing machine is provided with an electric hydraulic propeller, an installation plate and an extruding block, thereby playing a role in extruding the medicine, and achieving an effectfor facilitating the subsequent crushing operation; and by arranging an asynchronous motor, a rotating rod and a crushing cutter blade, an effect for crushing the extruded medicine can be realized, the overall processing efficiency can be improved by adopting the two steps, i.e., the extruding step and the crushing step, the processing quality of the extruding step and the crushing step is also improved, and the efficiency is improved, and the quality is improved.

The invention relates to a method for manufacturing a copper-aluminum welded joint of a capillary tube, and a copper end sleeved aluminum capillary tube which is manufactured by the method. The method comprises the following steps of inserting a core into a copper tube, wherein the core is exposed from two ends of the copper tube; one end of the copper tube is made to be a conical head by a precise roller forging machine, and thinning the wall of the copper tube, so that the core is clamped at the conical head; preassembling the conical end of the copper capillary tube with the core into an aluminum tube; and welding and pulling the core out. Gaps in contact parts of the copper tube and the aluminum tube are small, so that an aluminum bead cannot be generated, and the flow of the capillary tube cannot be influenced.

The invention discloses an air contact type self-coagulation repair electric power corrugated pipe, belongs to the field of electric power pipes, and provides the air contact type self-coagulation repair electric power corrugated pipe with the advantages that through the arrangement of an air contact layer, on one hand, a certain anti-seismic force unloading effect is realized, and the partial extrusion force can be effectively protected; on the other hand, when the bamboo-shoot-shaped convex joints are subjected to large bending force, the air contact layer is extruded, so that the embedded extending pieces are extruded to a certain extent, the sides, facing the inner liquid storage ball, of the embedded extending pieces expand and deform, and the folded parts of the embedded extending pieces are unfolded, so that the bamboo-shoot-shaped convex joints are prevented from being broken. The inner contact pricking point can make contact with the inner liquid storage ball and prick the inner liquid storage ball, a repairing agent in the inner liquid storage ball overflows, and when the bamboo-shoot-shaped convex joint is locally broken, the repairing agent can flow out along the brokenposition in time, so that self-repairing of the broken position or the cracked position is achieved, and the situation of electric leakage caused by breaking is remarkably reduced.

The invention discloses a preparation device for a graphene-doped hydrogen storage material; the structure of the device comprises a controller, a heat dissipation groove, fixed foot margins, a material holding table, a preparation port, a preparation tank, a control main engine, and a doping tank. Graphene raw materials in the doping tank uniformly pass through a material scraping groove when entering; the material scraping groove and a discharge ring are fixedly arranged; the raw materials are guided to an area in which the discharge ring and a grinding embedded ring are matched for pulverization treatment through poking blocks when a grinding mechanism rotates, and then enter a dispersion component for dispersed blanking; the decrease of hydrogen permeability caused by stacked blanking can be avoided; a gas compression mechanism can generate gas to pneumatically control the dispersion component under the driving of a built-in drive shaft; the clogging of the graphene raw materials is avoided; high-precision pulverization can be performed on flake graphite after the whole use; the raw materials are effectively prevented from agglomerating in the blanking process; a state of powdery falling is formed; the permeability of hydrogen doping is greatly improved; the hydrogen storage effect is higher.

The invention provides a paper currency unfolding arrangement device. The paper currency unfolding arrangement device comprises a first conveying unit, a wetting unit, an unfolding unit and a second conveying unit which are sequentially mounted in the paper currency conveying direction. The size of the wetting unit in the paper currency conveying direction is smaller than the length of paper currency, and the wetting unit comprises wetting side plates, mounting plates and ultrasonic atomizers; the unfolding unit comprises unfolding side plates and two sets of unfolding assemblies which are symmetrically arranged with the paper currency conveying direction as the axis; each unfolding assembly is composed of an unfolding motor, a coupler, a rolling shaft set and a track with brushes, wherein each track with the brushes is arranged on the corresponding rolling shaft set in a sleeving manner, and the distance between two rolling shafts, with the opposite positions, in each rolling shaft set is gradually decreased in the paper currency conveying direction; and each track with the brushes is composed of a rubber track body and the brushes. The brushes are perpendicular to the paper currency conveying direction to be fixed to the outer surfaces of the rubber track bodies, and the rotating speed of the unfolding motors is larger than the rotating speed of a first motor and smaller than the rotating speed of a second motor; and according to the device, paper currency with folded corners or in the wrinkling state can be subject to wetting-flat brushing treatment, and in the treatment process, the paper current is not damaged.

The invention discloses a silk winding device. The silk winding device comprises machine frames, a winding roller mechanism, a driving compression mechanism, a compression roller mechanism, a cuttingworkbench and a shut-off mechanism. The winding roller mechanism and the compression roller mechanism are mounted between the machine frames, and a control system, a lifting control mechanism, a pressure regulation mechanism and a compression roller mounting mechanism are arranged on the driving compression mechanism. The pressure regulation mechanism is mounted on the lifting control mechanism, the compression roller mounting mechanism is arranged on the pressure regulation mechanism, and two ends of the compression roller mechanism are mounted on the compression roller mounting mechanism. Anauxiliary guide roller is arranged between the winding roller mechanism and the cutting workbench, the shut-off mechanism is arranged above the cutting workbench, a compression roller capable of automatically regulating pressure is adopted to effectively abut against a winding roller, the compression roller plays an extrusion role on a greige cloth wound to a coiling roller, and it is ensured that the winding is level and tight; and the shut-off mechanism with a press plate is adopted to shut off plus materials, and notches are ensured to be parallel and level.

The invention relates to the technical field of steel pipe machining, and discloses scrap-removing and reminding steel pipe polishing equipment which comprises a rack, a clamping mechanism, a steel pipe and a supporting rod, and a polishing barrel is fixedly connected to the top of the supporting rod. By designing the polishing barrel, the moving block, the sliding cavity, the sliding block, the polishing block and the air bag, when a steel pipe is polished, the telescopic rod is used for controlling the moving block to slide to extrude the air bag, so that air in the air bag enters the sliding cavity, and the sliding block is promoted to drive the polishing block to move downwards; meanwhile, heat generated by friction between the steel pipe and the polishing block during polishing is used for promoting the gas pressure in the sliding cavity to be increased, the sliding block is promoted to drive the polishing block to be attached to the steel pipe more tightly, and the steel pipe is polished; and high-pressure gas in the sliding cavity is exhausted, powder and chippings generated when the steel pipe is polished are blown away, and the polished outer surface is prevented from being scratched.

The invention discloses three-directional roll riveting equipment of a through-flow fan blade, and belongs to the technical field of the roll riveting equipment of the through-flow fan blade. The three-directional roll riveting equipment comprises a base, a roll riveting system, a fixing and driving system, a guiding system and a conduction system, wherein the roll riveting system comprises a roller row; the roller row is arranged parallel to the base and comprises an upper roller row, a lower front roller row and a lower rear roller row; the upper roller row is arranged over a machined blade wheel and is provided with an upper roll riveting hob set of which a hob edge is vertically downward; the lower front roller row and the lower rear roller row are symmetrically arranged at two sides of a vertical plane on which a center line of the machined blade wheel is positioned and are provided with a lower front roll riveting hob set and a lower rear roll riveting hob set of which hob edges are obliquely upward respectively; and the upper roll riveting hob set, the lower front roll riveting hob set and the lower rear roll riveting hob set form a three-directional roll riveting structure. During machining, the blade wheel is uniformly stressed in three directions so as to ensure that machining pressure is always aligned with the center, the coaxial heights of central discs of the blade wheel are consistent, and the blade wheel is prevented from performing circular runout.

The invention belongs to the field of preparation of industrial crushing machinery, and provides a preparation method of a wear-resistant extrusion roller. The method comprises the steps of cavity preparation, wear-resistant stud placement, mother liquid pouring, heat treatment, inner hole machining, hot charging, transition layer surfacing, wear-resistant layer surfacing and pattern surfacing. Steel-bonded alloy wear-resistant studs have good impact resistance, wear resistance and weldability, stress concentration can be reduced, a base body does not easily crack, the skeleton supporting effect is achieved, and a transition layer and a wear-resistant layer are not peeled off in a large area; the transition layer improves the weldability of a roller sleeve base body, enhances the metallurgical bonding strength of the wear-resistant layer and the roller sleeve base body, and reduces the crack generation tendency; before surfacing of the transition layer, the wear-resistant layer and wear-resistant patterns, a roll shaft and a roll sleeve are subjected to hot charging so that the phenomena that the roll shaft and the roll sleeve are not firmly connected and the wear-resistant layer and the wear-resistant patterns are easily peeled off due to hot charging after welding are changed; and the service life of the wear-resistant extrusion roller prepared by the method is prolonged by more than one time compared with that of the extrusion roller with a conventional structure.

The invention relates to dendrobium candidum processing equipment. The equipment comprises a driving motor and a feeding tank, the feeding tank is connected with a forming tube, a forming screw is arranged on the front section of the forming tube, the forming screw is connected with the driving motor through a coupling, an electric heating wire is arranged on the outer side of the middle section of the forming tube, and a discharge hole is formed in the lower portion of the rear section of the forming tube. The equipment has the advantages that dendrobium candidum can be made to be curled in a spiral mode effectively through the forming screw, manual operation is omitted, heating and coiling are conducted simultaneously, and the process of lifting and twisting simultaneously in a traditional technology is met; dendrobium candidum is dried for shaping through the electric heating wire after being curled, the length of the forming tube can be effectively reduced by means of a block, sufficient heating and drying of dendrobium candidum can be guaranteed in the forming tube with limited length, a extruding effect on dried dendrobium candidum is achieved, and further forming is promoted.

The invention discloses a self-supplementing micro-vibration mask, belongs to the field of masks, and particularly relates to a self-supplementing micro-vibration mask which is characterized in that aself-supplementing air vibration ball is arranged, and water mist is sprayed to the face coated with the mask after the mask is used for a period of time, so that the water mist is absorbed by a water guide cotton rod and enters the self-supplementing air vibration ball; the gas storage particles in the self-supplementing gas vibration ball make contact with water to generate gas, on one hand, the self-supplementing gas vibration ball is expanded, essence in the self-supplementing gas vibration ball overflows towards the liquid storage layer under extrusion of the gas, the effect of self-supplementing the essence is achieved, and use convenience is improved, and on the other hand, when the gas in the gas storage particles overflows, a certain impact force is generated on a sealed pinball,the position of the pinball is moved, and then the mask presents a micro-vibration effect. Compared with the prior art, the facial mask has the advantages that the absorption speed of the essence bythe face is remarkably increased, the overall duration of applying the facial mask is shortened, the absorption rate of the essence in the facial mask is effectively increased, and the use effect of the facial mask is better.

The invention discloses a baby diaper collecting treatment device and method. The baby diaper collecting treatment device comprises a box body; transverse plates are symmetrically hinged to the two ends of the inner wall of the box body, electric heating wires fixedly connected with the transverse plates are arranged in the transverse plates, the transverse plates are made of a ceramic material, and semi-circular rods which are concentric with the hinged positions the transverse plates and the semi-circular rods are fixed to the edges of the lower ends of the transverse plates; the semi-circular rods penetrate through the side wall of the box body and are slidably connected with the side wall of the box body; the portions, arranged outside the box body, of the semi-circular rods are provided with a plurality of uniformly distributed bulging teeth, and the bulging teeth are arranged on the inner arc surfaces of the semi-circular rods; first motors are symmetrically fixed to the two endsof the outer wall of the box body, and gears are fixed to rotary shafts of the first motors and engaged with the bulging teeth on the semi-circular rods; dried baby diapers can be conveniently subjected to smashing cutting, meanwhile, most of peculiar smell and germs can be eliminated, after the baby diapers are pressed and flattened by rollers and belts, crushing treatment is facilitated, the cut baby diapers can be conveniently smashed, the time is saved, the efficiency is improved, and the cost is reduced; and the baby diapers are thoroughly smashed through cutting blades rotating rapidly,the space is saved, and transporting, storing and recycling are facilitated.

The invention relates to a pressing and rolling mechanism for cold-rolled aluminum. The pressing and rolling mechanism comprises a workbench and a cold rolling groove, wherein the cold rolling groove is fixedly formed in the upper end surface of the workbench, a pressing and rolling mechanism body is arranged directly above the cold rolling groove and arranged on the side wall of a supporting side plate, and the supporting side plate is fixedly arranged on the upper end surface of the cold rolling groove. According to the pressing and rolling mechanism disclosed by the invention, the structure of an existing cold rolling head is optimized, a buffer structure is additionally arranged on the basis of the existing cold rolling head, and in the actual working process, after cold rolling of an aluminum component is completed, the buffer structure acts along with continuous movement of a driving cylinder, so that continuous driving force is avoided, the cold rolling head is extruded, the cold rolling head is protected, the service life of the cold rolling head is prolonged, the production cost can be reduced, the maintenance and replacement frequency can be reduced, and the pressing and rolling mechanism has higher practical value.

The invention provides a hose coupler, which comprises a connection, a hose body, a connecting nut and a rubber pad, wherein an annular groove is arranged in the outer surface of the connection, the connection is fixedly connected to the hose body, external threads are arranged at the back of the hose body, the connecting nut matched with the hose body is arranged at the back of the hose body, the rubber pad is arranged between the connecting nut and the back of the hose body; the middle of the hose body is sleeved with a nut; an annular baffle is arranged on the back end face of the connecting nut. The hose coupler has the beneficial effects of firm connection, good sealing property and safety use.

The invention relates to the technical field of film preparation methods, in particular to a preparation method for an optical polyester film. According to the preparation method, preparation equipment comprises a film production device and a collecting device, the collecting device is fixedly arranged right below the film production device, a conveying frame is fixedly arranged in the film production device, a fixing rod is welded to the upper surface of the conveying frame, leftover material rolls are fixedly connected to the two side edges of the polyester film, a supporting rod is fixedly arranged in the conveying frame in an inserted mode, an alarm lamp is fixedly connected to the top end of the supporting rod, a supporting base is fixedly arranged in the collecting device, winding devices are symmetrically and movably arranged at the two ends of the interior of the supporting base, and triggering devices are symmetrically and movably arranged at the bottom edges of the two ends of the supporting base. The preparation method has the advantages that real-time winding of leftover materials of the polyester film can be realized, workers can conveniently conduct centralized cleaning on the leftover materials of polyester film, and the situation that normal operation of the production equipment is affected due to the fact that the leftover materials of the polyester film is stacked on the ground can be avoided.

The invention discloses a concrete impermeability test structure comprising a worktable and a loading cylinder, wherein the upper part of the worktable is installed with a conveyor belt along the length direction, one end of the worktable is rotatably mounted with a loading plate along the length direction, one end of the loading plate close to the conveyor belt is connected to both sides in the worktable through a rotating shaft, the bottom of the worktable is horizontally welded with a base below the loading plate, a plurality of hydraulic columns are mounted on the top of the base, and thetops of the hydraulic columns and the bottom of the loading plate are in rotary connection. Concrete can be solidified under different environments to simulate different laying environment temperatures in actual use of concrete. The loading cylinder can be quickly received using a rotating loading plate and is easily detached from the conveyor belt.

The invention relates to a packaging structure for a mass point vibration velocity measurement sensor. The packaging structure comprises an upper housing (10), an inner core (20), and a lower housing (30). A plurality of windows (11) are opened at the upper part of the upper housing (10) in a peripheral direction. The inner core (20) is accommodated into an inner cavity formed by the upper housing (10) and the lower housing (30) jointly; the upper end of the inner core (20) is a rectangular-column-shaped body; and three mass point vibration velocity sensors (21) are arranged at three planes perpendicular to each other. Front amplification circuit boards of the sensors (21) are arranged at the lower housing (30). Long-strip-shaped cylinders (12) are arranged at the two sides of each window (11) of the upper housing (10); and the three mass point vibration velocity sensors (21) arranged at the three adjacent side surfaces of the rectangular-column-shaped body at the upper end of the inner core (20) are close to the long-strip-shaped cylinders (12) in a face-to-face mode without any contact. Because the long-strip-shaped cylinders are arranged opposite to the mass point vibration velocity sensors in the upper housing and play a role in extrusion of the mass point flow of the sound field, so that the mass points flowing through the mass point vibration velocity sensors can flow fast on the condition of the same sound pressure at the same sound field and thus the measurement sensitivity of the mass point vibration velocity sensors can be improved effectively.