35results about How to "Frequent replacement" patented technology

The invention discloses an interactive electric sliding rail screen, and relates to the technical field of interactive sliding rail screens, the interactive electric sliding rail screen comprises a wall body and an interactive screen, the interactive screen is slidably mounted on the wall body, a cleaning device is arranged on the left side of the wall body, and the cleaning device comprises a sliding mechanism, a telescopic mechanism and a wiping mechanism; wherein the wiping mechanism is fixedly installed at the output end of the telescopic mechanism and is controlled by the telescopic mechanism to be close to the interactive screen for wiping, and the telescopic mechanism is fixedly installed on the sliding mechanism and is controlled by the sliding mechanism to move up and down to wipe the interactive screen. The wiping surface can be automatically and rapidly replaced through the wiping mechanism, and the wiping surface does not need to be frequently replaced or cleaned manually; by arranging the spraying mechanism, the interactive screen can be wiped in a wet mode and a dry mode, and the wiping efficiency and effect can be improved; the extrusion force of the elastic strip on the interaction screen can be controlled through the pressure adjusting mechanism, and the display screen is prevented from being damaged due to overlarge extrusion force.

The invention discloses pallet fork anti-skid grain scraping equipment with an edge grinding function, and belongs to the technical field of pallet fork anti-skid grain scraping equipment. Comprising a base, a portal frame, a driving mechanism, a clamping mechanism, a polishing and cleaning mechanism and a rotary scraping mechanism, a second clamping block is engaged with a limiting gear ring, so that when a rotary adjusting piece rotates, a scraping tool bit can move up and down through threaded connection, and the purpose of adjusting the length of a telescopic scraper according to the depth needed by anti-skid grains is achieved; the control system controls the first clamping block to be engaged with the rotating adjusting piece, so that the limiting shell, the rotating adjusting piece and the scraping tool bit form a whole which cannot move relatively, and therefore the rotating motor can be matched with the rotating belt to drive all the telescopic scrapers to rotate and scrape the pallet fork; the telescopic scraper can be used for scraping and automatically adjusting the length, the operation of frequently replacing tool bits with different lengths is avoided, the structure is simplified, and the consumption of the tool bits is also reduced.

The invention discloses a method for deeply removing trace moisture in isopentane oil by using a composite molecular sieve, which comprises the following steps: under the conditions of temperature and pressure, enabling an isopentane oil raw material to flow through the composite molecular sieve to remove trace moisture in isopentane; the composite molecular sieve is formed by compounding and molding an ordered mesoporous molecular sieve and an A-type molecular sieve in a mass ratio of 1: (0.5-5). The isopentane oil is refined under the non-hydrogenation condition by adopting a multi-stage composite pore channel molecular sieve combination method, and the method has the advantages of simple process, low cost and convenience in operation, and can be used for industrial production of the isopentane foaming agent.

The utility model relates to a moxa cone storage assembly for moxibustion equipment, and belongs to the technical field of moxibustion equipment. Comprising a combustion chamber and further comprises a supporting ring rotationally connected to the periphery of the combustion chamber, a plurality of storage barrels installed on the periphery of the supporting ring and a driving part used for driving the supporting ring to rotate, a feeding port is formed in the side wall of the combustion chamber, and the bottoms of the storage barrels extend to the position below the supporting ring; a discharging opening matched with a moxa cone is formed in the side, close to the combustion chamber, of the bottom of the storage barrel, and a pushing opening is formed in the side, away from the combustion chamber, of the bottom of the storage barrel. By means of the moxibustion device, the problem that in the prior art, moxa cones of moxibustion equipment need to be frequently replaced or added is solved.

The present invention relates to the field of hydraulic gyratory crushers, and in particular to an anti-wear protection device for a friction disc of a hydraulic gyratory crusher. The device comprises a mounting seat; the mounting seat is arranged on the inner wall of a mounting sleeve and is located above a plunger, and a mounting frame is arranged on the mounting seat; an anti-wear component is arranged on the side of the mounting frame facing the friction disc. The present invention is provided with an anti-wear component, and the extrusion piece is randomly touched by the movement of the friction disc. The nozzle sprays oil toward the friction disc in small amounts, multiple times, and dispersedly. The lubricating oil covers the working surface of the friction disc, effectively reducing wear, playing a role in protecting the friction disc, and reducing maintenance costs. By alternately discharging and inletting oil, the oil output is small and the energy consumption is low. The device is simple to install and operate, has strong firmness, and is convenient for subsequent disassembly and maintenance. It can be adapted to hydraulic gyratory crushers of different brands.

The utility model belongs to the technical field of circuit board processing, and particularly relates to a circuit board drilling groove cutter which comprises a groove cutter, a sliding groove and cutter holders, the cutter holders are arranged into a group in mirror symmetry, the number of the cutter holders is two, sliding strips are fixedly connected to the inner walls of the cutter holders in an array mode, and the two cutter holders are fixedly connected through the sliding strips. Chip grooves are formed in the two sides of the two tool aprons in a penetrating mode, transverse plates are fixedly connected to the inner walls of the chip grooves, and a countersunk blade is fixedly connected to the position, located on one side of the transverse plate, of the outer wall of one tool apron. When drilling is conducted, one hole pattern can be machined at a time, it is avoided that when one hole is drilled, tools need to be replaced frequently and alternately, and drilling of other hole patterns can be adapted by adjusting the direction of the tool apron, so that needed tool materials are saved, cost is saved, operation steps are simplified, machining efficiency is improved, and time and labor are saved.

The invention discloses multi-operation-head combined beauty equipment for relieving wrinkles by stimulating collagen, and particularly relates to the technical field of beauty equipment, the multi-operation-head combined beauty equipment comprises a beauty handle device, an operation head I, an operation head II, an operation head III and an operation head IV, a sealing ring is arranged on the front side of the beautifying handle device, a clamping groove is formed in the sealing ring, a notch is formed in the front side of the beautifying handle device, connectors, clamping plates and two symmetrical first connecting rods are installed on the rear sides of the first operating head, the second operating head, the third operating head and the fourth operating head correspondingly, and a second connecting rod is installed on one side of each first connecting rod. The diameter of the first connecting rod is larger than that of the second connecting rod, and a positioning groove is formed in the top of the second connecting rod. By means of the multiple replaceable operation heads, energy of different cortical layers can be achieved, different effects can be generated through stimulation, and effects can be achieved for different problems of wrinkles, sagging, sinking and loosening.

The utility model relates to the technical field of production of automobile parts, and discloses a clamping device for hammering machining of automobile parts, which comprises a bottom plate, the top end of the bottom plate is fixedly connected with a baffle plate, one side of the baffle plate is rotatably connected with two belt pulleys, the two belt pulleys are connected through a belt pulley, and the belt pulley is fixedly connected with the baffle plate. A second motor is fixedly connected to the exterior of one of the belt wheels, two threaded rods are rotatably connected to the inner side of the baffle, moving columns are in threaded connection to the exteriors of the threaded rods, two adjusting rods are rotatably connected to the top ends of the moving columns, and a vertical plate is fixedly connected to the top end of the bottom plate; according to the clamping device for the automobile parts, the belt disc, the second motor, the baffle, the threaded rod, the movable column and other structures are used in cooperation, so that the angle of the clamped automobile parts can be changed, machining of the automobile parts is more convenient, and the use flexibility is greatly improved.

The invention belongs to the technical field of dangerous chemical identification and classification and safety management, and particularly discloses an automatic liquid supplementing device of a sample cylinder for testing metal corrosivity and an installation method. The automatic liquid supplementing device comprises a liquid supplementing bottle, a liquid guide pipe, a hollow floating ball, a piston part and a connecting rod mechanism. A flow control part used for containing the piston part is arranged on the liquid guide pipe, the pipe inner diameter of the flow control part is larger than that of the liquid guide pipe, the inner pipe wall of the lower end of the flow control part is sunken downwards to form a lower groove, and the lower groove is matched with the bottom end of the piston part. The height of the piston part is larger than the pipe inner diameter of the liquid guide pipe and smaller than the pipe inner diameter of the flow control part. The piston part comprises a piston and a first magnet embedded in the lower portion of the piston, and a second magnet is embedded in the pipe wall, corresponding to the first magnet, of the flow control part. The hollow floating ball and the piston part are connected through a Teflon rope, and the Teflon rope is erected on the connecting rod. Based on a physical working principle, automatic liquid supplementing is realized, and the accuracy of a test result is ensured.

The application discloses a rice gene expression and function verification integrated detection device, which comprises a box body, a liquid nitrogen freezing assembly for freezing rice is installed in the box body, a gene extraction assembly for extracting rice genes is installed in the box body, and a gene detection assembly for detecting and verifying rice genes is installed at the top of the box body; a plurality of steps such as liquid nitrogen freezing, sample grinding, nucleic acid extraction, purification and qPCR detection are integrated, full-process automatic operation is realized through a control module, manual frequent intervention is not needed, human operation errors are greatly reduced, the accuracy and repeatability of detection results are improved, a high-concentration saline solution is combined, a low-salt elution process design is adopted, automatic magnetic bead adsorption and cleaning processes are combined, interference substances such as proteins and impurities in samples are effectively removed, the nucleic acid purity can reach more than 95%, the recovery rate can reach more than 85%, and the reliability of gene expression and function verification results is ensured.

The present invention discloses a combined rope supporting wheel for an endless rope continuous traction winch, comprising: two first fixed plates, which are parallel and arranged front to back, at least two partitions, each of which is parallel to each other and arranged left to right, and is vertically arranged between the two first fixed plates, a plurality of first grooves, which are opened at the upper edges of the partitions, at least one first rope supporting wheel, which is located in the area surrounded by the partitions and the first fixed plates, the shafts of the first rope supporting wheel are respectively stuck in the corresponding first grooves of the partitions on both sides, and the first rope supporting wheel is used for supporting the steel wire rope of the first endless rope continuous traction winch; the present invention can avoid mutual friction between the steel wire ropes of the two endless rope winches, thereby causing frequent replacement of the steel wire ropes, thereby improving the transportation safety of the endless rope winch and saving production costs.

The reclosing miniature circuit breaker comprises a circuit breaker body, an overvoltage and undervoltage protection circuit, an external fastening structure, a fixing shaft, a fastening arm, a fastening spacer region and a state maintaining substructure. The invention has the following advantages and effects: the assembly structure of the circuit breaker is improved; the two external fastening structures on the circuit breaker can be respectively fastened on the corresponding positioning plug-ins, so that the circuit breaker body is fixed; the two fastening arms can be in a loosened state for a long time due to the arrangement of the state maintaining sub-component, so that operation time is provided for subsequent disassembly of the circuit breaker body; meanwhile, the whole structure is controlled in an integrated and centralized mode, multiple output control can be achieved only through one external power source, and the beneficial effect of being simple in operation mode is achieved.

The utility model relates to a forward and reverse reaming cutter. The forward and reverse reaming cutter comprises a cutter holder, a cutter handle rotationally connected with the cutter holder, and a cutter head mounted on the cutter holder, a mounting hole and a mounting groove are formed in the tool apron, and the mounting hole is communicated with the mounting groove; one end of the cutter handle is rotationally arranged in the mounting hole; the tool bit is arranged in the mounting groove in a sliding manner; a gear is arranged at the end, close to the tool apron, of the tool handle, and a rack matched with the gear is arranged at the tail end of the tool bit. And when the cutter handle is rotated, the gear drives the cutter head to extend out of or retract into the mounting groove. According to the forward and reverse countersinking cutter, by using the forward and reverse countersinking cutter, the countersinking machining efficiency is effectively improved, and the problems that traditional reverse countersinking machining efficiency is low, and time and labor are wasted are solved.

The utility model discloses a kind of multi-station adjustable die-cutting plate positioning fixture, it is related to die-cutting plate fixture technical field.The utility model includes upper die plate, two stations are symmetrically provided in the inside of upper die plate, two guiding pieces are symmetrically installed in two stations, clamping plate is also installed in station, fastener is installed in guiding piece, the fastener includes two circular ring rubber gasket, two circular ring rubber gaskets are distributed on the upper and lower end of guiding piece.The utility model is fixed to die-cutting plate by setting several plug-in limit pieces under die-cutting plate, cooperate the clamping plate of both sides to fix the both sides of die-cutting plate, finally realize the reliable of die-cutting plate, by adjustable two clamping plates and plug-in limit piece, so that the limiting range of different size die-cutting plate can be flexibly adjusted, so that enterprise need not frequently replace fixture for replacing die-cutting plate, substantially shorten production preparation time.

The present invention discloses a device for checking interference of ejector pins, including a test plate and a test rod; the test plate is provided with a plurality of ejector pin holes, which are matched with the die base through holes of the lower die base; the test rod is a cylindrical structure, and can be movably arranged in each ejector pin hole, and the length of the test rod is greater than the depth of the die base through hole; the test plate is attached to the lower surface of the lower die base, and the test rod is inserted into the die base through hole. The present invention plays a role in simulating the air cushion ejector pin, and before the stamping process, the air cushion ejector pin is plugged and matched with the lower die base, so as to realize visual testing and checking of interference in advance, and the unqualified lower die base can be reprocessed and corrected in time, so that the air cushion ejector pins on the machine are protected and avoid frequent maintenance and replacement, saving economic and labor costs, and also ensuring the production progress.

The utility model discloses a silicon wafer conveying device. The starting end and the tail end of the silicon wafer conveying device each comprise a transmission wheel set. The transmission wheel set comprises a transmission wheel and a driven wheel, and the transmission wheel and the driven wheel are spaced in the third direction. The transmission belt is arranged on the outer sides of the transmission wheels and the driven wheels in a sleeving mode and extends to the transmission wheel set at the tail end from the transmission wheel set at the initial end. The transmission wheel is connected with the transmission wheel shaft through the transmission bearing, in the third direction, the orthographic projection of the transmission wheel and the orthographic projection of the transmission bearing are not overlapped, the first direction is the direction from the starting end to the tail end, the transmission wheel shaft extends in the second direction, and the third direction intersects with the second direction and the first direction. In the third direction, the orthographic projection of the transmission wheel and the orthographic projection of the transmission bearing are not overlapped, so that the quality problem of silicon wafers caused by pollution of the transmission belt by oil discharged from the transmission bearing when the motor drives the transmission wheel on the transmission wheel shaft to rotate the transmission belt is prevented, frequent replacement of the bearing by personnel is not needed, and the maintenance time is shortened.

The utility model provides a kneading machine dust removal device for producing shock absorption damping blocks for air conditioners, which belongs to the technical field of kneading machine dust removal devices and comprises a kneading machine main body, a controller is mounted on the front side of the kneading machine main body, electric telescopic rods are fixedly connected to the left side and the right side of the kneading machine main body, and the output ends of the electric telescopic rods are fixedly connected with a top cover. A blower is fixedly connected to the left side of the top of the top cover. By arranging a flow guide plate, when an electric telescopic rod is started to drive a top cover to jack upwards, an air blower is started to convey air into a cavity and blow the air out through the periphery of the bottom of the top cover, so that an air wall can be formed between the top cover and the periphery of the kneading machine main body in the upward moving process of the top cover, and dust entering the kneading machine main body is effectively reduced; meanwhile, the flow guide plate at the bottom of the cavity is inclined, so that air can be diffused and blown out towards the periphery of the top end of the kneading machine main body when blown out through the cavity, the blowing-out range of the air wall is increased, and the dust prevention performance is improved.

The present invention discloses a method for producing nutrient soil using sewage treatment plant sludge, which includes the following processing steps: 1) The slurry obtained by precipitation separation is transported to an adjustment tank, and an active agent is added to mix with the slurry, and the active agent accounts for 3-5% of the total weight. 2) The material in the adjustment tank is pumped to an elastic filter press device for filter pressing and dehydration to obtain a filter cake with a moisture content of less than 60%, and the filtered water is returned to the sewage treatment plant or directly used as greening and irrigation water. 3) The filter cake is transported to a greenhouse for stacking, and after stacking for 15-20 days, it can be used as nutrient soil for crop planting. This treatment method is to adjust, filter press and ferment the slurry discharged from the urban sewage treatment plant into nutrient soil for crop planting, and the treatment process is simple and the treatment cost is low.

The multifunctional bleaching brush comprises a handle, a hair combing assembly is arranged in the handle in a foldable mode, a hair picking assembly is arranged in the handle in a telescopic mode, a brush handle is arranged at the upper end of the handle, a small flat brush is arranged on one side of the brush handle, and a large flat brush is arranged on the other side of the brush handle. Through the arrangement of the large flat brush and the small flat brush, each part of hair can be conveniently floated, the hair picking assembly and the hair combing assembly are arranged in a storage mode, the hair picking assembly and the hair combing assembly can be taken out when needed and can be conveniently stored when not needed, the working efficiency is improved, and tools do not need to be frequently replaced in the hair floating process.

The utility model discloses a poplar cultivation deinsectization device in the technical field of deinsectization devices, which comprises a left hoop and a right hoop, the left hoop and the right hoop are both semicircular, two ends of the left hoop are welded with claws, and the claws on two sides are clamped at two ends of the right hoop in a matching manner. The annular plate forms an annular column to be attached to a trunk through the left hoop and the right hoop, the rubber cloth body at the bottom of the annular plate is flexibly attached to the bottom of the trunk, insect bodies climb along the annular plate, the climbing capacity of the insect bodies is improved through the climbing strips on the annular plate, and the insect bodies climb to the inner wall of the arc-shaped insect prevention cover and the bottom end of the insect prevention cover; insect bodies fall into the insect killing box through gravity, liquid is injected into the storage groove formed in the insect killing box, the fallen insect bodies are drowned in the liquid, the insect bodies are rapidly killed, the storage groove in the insect killing box has a larger storage space, more insect bodies can be killed and stored, frequent replacement is avoided, and the whole device is convenient to install.

The utility model discloses a metallographic grinding and polishing machine with an adjusting assembly in the technical field of grinding and polishing equipment, which comprises a grinding and polishing machine body, a control panel arranged on the front side of the grinding and polishing machine body, a grinding and polishing disc arranged on the top of the grinding and polishing machine body, a water inlet pipe arranged on the side face of the grinding and polishing machine body, and a water outlet pipe arranged on one side of the top of the grinding and polishing machine body. An adjusting assembly is arranged on the other side of the top of the grinding and polishing machine body, a sleeve rod is arranged on the top of the adjusting assembly, a sleeve sleeves the top of the sleeve rod, a spring sleeves the surface of the sleeve rod, an L-shaped rod is arranged on the side, facing the grinding and polishing disc, of the sleeve, and a clamping assembly is arranged at the end of the L-shaped rod; according to the grinding and polishing device, the L-shaped rod can be rotationally adjusted through matched use of the adjusting disc, the positioning hole, the fixing base and the positioning rod, so that a sample can be in contact with different positions of abrasive paper on the grinding and polishing disc, the utilization rate of the abrasive paper is increased, frequent replacement is avoided, and then the use cost is reduced.

The utility model provides a wastewater electro-oxidation treatment device which comprises a lower shell, an upper shell is arranged at the top end of the lower shell, a plurality of cathode plates are arranged in the lower shell, anode plates are arranged on the side faces of the cathode plates in the lower shell, a cleaning motor is fixedly connected to the top end of the upper shell, and the cleaning motor is fixedly connected to the top end of the upper shell. A connecting frame is fixedly connected to the output end of the cleaning motor, a plurality of containing boxes are arranged below the connecting frame, switching motors are fixedly connected to the inner walls of the containing boxes, and switching cylinders are fixedly connected to the output ends of the switching motors; compared with the prior art, the cleaning device has the following beneficial effects that the switching motor drives the switching cylinder to rotate in the containing box, so that a proper bristle plate can be selected according to the specific condition of sewage or a scale layer, and the descaling effect is improved; and then a bearing frame, a cleaning motor, a first gear, a second gear, a connecting frame and a containing box are matched to drive a bristle plate to slide along the surface of the negative plate, and then the surface of the negative plate can be cleaned.

The utility model belongs to big fruit hawthorn planting technical field, concretely relates to a kind of for big fruit hawthorn branch pulling device, it include: support rod;Fixed in the multiple pulling rods of support rod top;Multiple pulling structures are fixed on the pulling rod, and the pulling structure includes pulling box, rotation setting in the winding wheel of pulling box and the pulling cloth strip wound on the winding wheel.The utility model is directly fixed ring in the soil near fruit tree by support rod, does not contact with stem, fundamentally avoids the extrusion or wear of stem, adapts stem growth, need not frequent adjustment or replacement device due to stem change.In addition, the utility model support rod top is provided with multiple pulling rods, multiple pulling structures are set on each pulling rod by fixed cylinder, can adapt to different height, different direction branch, can cover asymmetric growth, scattered distribution branch, meet the complex spatial layout demand of big fruit hawthorn branch.

The utility model provides a tribasic lead sulfate filtrate plate filter which comprises a machine shell and a filter box body, the filter box body is fixedly installed in the machine shell, two groups of glass fiber filters are fixedly installed in the filter box body, a feeding assembly extending into the machine shell is fixedly installed at the top of the machine shell, and a discharging assembly extending into the machine shell is fixedly installed at the bottom of the machine shell. A supporting assembly is assembled at the top end of the filtering box body, two sets of guide rods are installed on one side in the machine shell in a butt joint mode, a conveying type filtering assembly is assembled on the other side in the machine shell, a conveying piece of the conveying type filtering assembly passes through the supporting assembly and the guide rods, and an impurity collecting box is arranged at the bottom in the machine shell. A cleaning assembly is installed in the portion, above the impurity collecting box, in the machine shell in a butt joint mode. According to the conveying type lead sulfate filter, primary filtering operation can be carried out on tribasic lead sulfate filtrate through the conveying type filter assembly, the filtered filter belt can be conveyed and replaced in a conveying mode, a worker does not need to frequently replace a filter piece, and the endurance performance is lasting.

The present invention belongs to the technical field of PCB production and testing equipment, and in particular, relates to an automatic mold locking device, a PCB board test module and a PCB board test device, wherein the automatic mold locking device includes a locking mechanism, the locking mechanism includes a swing rod, a hinge seat and a traction member, the hinge seat is fixed to the edge of the upper fixed plate, the middle part of the swing rod is hinged to the hinge seat, the first end of the swing rod extends to the middle of the upper fixed plate, the second end of the swing rod extends downward and bends to the lower surface of the upper template, and the traction member is fixed to the upper fixed plate and connected to the first end of the swing rod. In this embodiment, through the cooperation of the traction member and the swing rod, the upper template can be quickly locked and the locking state between the upper template and the upper fixed plate can be quickly released, which greatly speeds up the disassembly and replacement speed of the upper template and the test main board located between the upper template and the upper fixed plate, and improves production efficiency.

The invention relates to the technical field of auricular point bean burying, and discloses an auricular point bean burying probe which comprises a probe body, a sliding groove is formed in the surface of the probe body, and a clamping component is arranged on the surface of the probe body; the clamping part comprises a sliding block, the surface of the sliding block is slidably connected with the inner wall of the sliding groove, a bent plate is fixedly connected to the end, away from the sliding groove, of the sliding block, a round hole rod is fixedly connected to the end, away from the sliding block, of the bent plate, and a clamping plate is hinged to the surface of the round hole rod. According to the ear acupuncture point detection device, after a medical worker detects acupuncture points of ears of a patient through a probe needle, a bent plate is pushed to move on the surface of the probe needle, the bent plate can move in a sliding groove through a sliding block, and when the end of a clamping plate moves to the outer end of the probe needle, a pressing part is pushed to move; the pressing part can push the two clamping plates to move close to each other, and the medicine beans are clamped and fixed through the contact plate, so that medical staff can fit the medicine beans to the ear acupuncture points of a patient through the clamping plates.

The municipal well lid device with the intercepting plate comprises a well ring, the well ring is provided with an openable well lid, the intercepting plate is arranged in the well ring and comprises a fixed piece, a plurality of movable pieces with the diameters gradually reduced are sequentially arranged on the inner side of the fixed piece, and the fixed piece and the movable pieces are of an annular structure; a plurality of tension springs are arranged between the fixed piece and the movable pieces in the circumferential direction, a plurality of tension springs are arranged between the adjacent movable pieces in the circumferential direction, a plurality of connecting lugs are arranged on the outer ring of the fixed piece in the circumferential direction, a lower limiting lug plate is arranged in the well ring, the lower ends of the connecting lugs abut against the lower limiting lug plate, and the problem that potential safety hazards are caused after the well lid is lost, opened or damaged is solved.

The utility model relates to artillery barrel maintenance technical field provides a kind of pneumatic bore cleaning machine for artillery barrel, it include: gas pipe, still include: bushing, fixedly connected in the one side of the gas pipe.The utility model, by controller control solenoid valve opens, make the gas that is transported to the inside of gas pipe inner cavity pass through L-shaped pipe and be transported to hollow tube, and in the cooperation of rubber ring one and rubber ring two sealing, make the air pressure inside hollow tube strengthen, make movable rod slide to outside along the inside of hollow tube, synchronously drive connecting strip, fixed strip and round rod three move to one side, make round rod three slide in the inside of straight slot, make movable strip rotate appropriate angle around the outer surface of round rod one, make multiple arc brush plate synchronously move to outside parallel, like this can make pneumatic bore cleaning machine adapt to artillery barrel of different calibers, need not to frequently replace arc brush plate, to improve the efficiency of artillery barrel cleaning.

The present invention relates to the field of drilling processing technology, specifically to a waste collection device for a metal part drilling machine, comprising a workbench, a stand fixed on the top of the workbench, and a mounting column fixed below the cantilever of the stand and having a drill bit at the bottom end, a placement table is fixed above the workbench, an annular enclosure arranged around the placement table is rotatably mounted on the upper surface of the workbench, a driving mechanism for driving the annular enclosure to rotate is provided on the workbench, an annular material guide is arranged around the placement table above the workbench, and the side wall of the annular material guide is inclined. The present invention utilizes the annular enclosure to intercept waste debris thrown off by the drill bit to prevent the waste debris from randomly splashing on the workbench, and the annular enclosure is driven to rotate by the driving mechanism, and the push plate scrapes the waste debris accumulated in the annular temporary storage cavity to the discharge port for discharge, and the air blowing device rotates to blow the waste on the surface of the processed metal part and the upper surface of the placement table into the annular temporary storage cavity, which has a good waste collection effect.

The invention discloses an adjustable physiological sea salt water nasal cavity sprayer, and belongs to the technical field of nasal cavity sprayers. The spraying assembly comprises a spraying generator, the spraying generator comprises an atomizing bin and a containing bin, and a purification filter element structure used for pumping liquid medicine into the atomizing bin is arranged in the containing bin; the purification filter element structure comprises a micro liquid pump, a first filter element and a passive standby filter element structure. After sediments in the spray liquid are intercepted and filtered out through the first filter element in the clean filter element structure, the filtered spray liquid is poured into the atomization bin for atomization treatment, so that when the atomizer executes a nasal cavity atomization task, the atomization effect is improved, and the atomization efficiency is improved. The situation that sediments in spray liquid are attached to the surface of the atomization piece or block micropores of the atomization piece is effectively avoided, the nasal cavity atomization effect is guaranteed, meanwhile, the situation that the atomization piece needs to be frequently replaced due to blockage and damage is avoided, and the maintenance cost of the sprayer is reduced.