35results about How to "Prevent random flying" patented technology

The invention discloses an automatic cleaning machine and relates to the technical field of cleaning machines. The automatic cleaning machine comprises a chassis and moving pulleys arranged at four corners at the lower end of the chassis, wherein an inverted n-shaped conveying groove is formed in the upper end of the chassis; and a conveying roller for conveying material is mounted at the upper end, positioned on the inner side of the conveying groove, of the chassis. The automatic cleaning machine adopts the photoelectricity sensing manner to automatically sense the material and automaticallystart an air blowing structure; in addition, double rows of air-blowing ports can thoroughly blow off sweeps on the material; swing type automatic compressed air injection sweep removal is cooperatedwith the air-blowing ports designed by 60 degrees obliquely, so that the purposes of being large in coverage area, small in compressed air emission and extremely high in sweep removing capacity are realized, and the problem the air blowing dead angle problem is solved; and moreover, a transparent air-blowing mask and a windproof curtain are adopted to prevent the phenomenon that sweeps fly everywhere during the sweep blowing process, and the material sweep removal efficiency is further improved.

The invention discloses a wood deburring device. The wood deburring device comprises a conveying belt, a fixing base and a grinding wheel. Supporting legs are arranged on the two sides of the bottom of the fixing base, and spiral rods are rotationally connected in the supporting legs. The bottom of the fixing base is connected with a storage bin through a connecting rod, the top of the storage bincommunicates with one side of an exhaust fan through a communication pipe, and the other side of the exhaust fan is connected with an air suction port through a communication pipe. The conveying beltfor conveying wood is arranged on the top of the fixing base. In the wood deburring device, the air suction port is formed in one side of the conveying belt, one side of the air suction port is connected with the exhaust fan through the communication pipe, the other side of the exhaust fan is connected with the storage bin through the communication pipe, then, the exhaust fan can collect burrs removed through the grinding wheel into the storage bin through a communication pipe, the phenomenon of burr flying all around is prevented in the deburring process, and meanwhile influences on the workof workers are prevented.

The invention relates to a robot for cutting a wood plate. The robot comprises a working table, which is provided with a cutting hole, wherein positioning rods are fixedly arranged at four corners ofthe edge of the top end of the working table, the top end of the positioning rod is fixedly provided with a support horizontal rod A, the top surface of the support horizontal rod A is fixedly provided with a fixed vertical rod A, a support horizontal rod B is fixedly arranged between the two fixed vertical rods A, the center position of the bottom surface of the support horizontal rod B is fixedly provided with a swinging rod, and the edge positions on the top surface and the bottom surface of one side of the swinging rod are respectively hinged to a sliding rod A and a connection rod. According to the present invention, through the hydraulic stretching rod, the swinging rod is controlled to freely swing back and forth, the cutting wheel and the burnishing wheel are controlled to operate,and the positions of the cutting wheel and the burnishing wheel can be adjusted according to the thickness of the wood plate, such that the wood plates with different thicknesses can be convenientlycut or burnished; and through the opposite clamping device and hand-operated wire pulling wire, the manual operation on the wood plate by the worker is not required so as to effectively ensure the work safety and the cutting stability.

The invention discloses a self-cleaning light-transmitting window for urban high-rise building.The window comprises: a window frame which is composed of two installation blocks and two vertical plates, wherein the two vertical plates are both located between the two installation blocks, glass is installed in the window frame, a trigger cavity is formed in an installation block located on the upper portion, and a low-boiling-point solution is arranged in the trigger cavity; and two triggering mechanisms which are arranged on the left side and the right side of the low-boiling-point solution correspondingly, and comprise pushing plates arranged in the trigger cavity. When in use, the equipment does not need to be started by a worker, only a cleaning agent needs to be added at regular time, labor consumption is reduced, meanwhile, residual water spots on the surface of glass can be treated during cleaning, and the cleaning effect is improved.

The invention relates to a programmable numerically-controlled machining lathe with an automatic blanking auxiliary machine. The programmable numerically-controlled machining lathe comprises a lathe body, wherein the left part above the lathe body is provided with a chuck through a main spindle box; a tailstock is arranged on a guide rail above the lathe body; a tubular central spindle is arranged in the tailstock; the central line of the tubular central spindle is parallel to the longitudinal direction of the guide rail above the lathe body; a material receiving pipe is connected to the left end head of the tubular central spindle; an oil cylinder which is connected with a hydraulic control device is fixedly connected to the upper side of the tailstock; the outer end head of a piston rod matched with the oil cylinder is connected with the right end head of the tubular central spindle through a connecting plate; and the central lines of the oil cylinder and the piston rod are parallel to the longitudinal direction of the guide rail above the lathe body. The programmable numerically-controlled machining lathe has the advantages of simple structure and action reliability and ensures that machined workpieces are orderly collected one by one, so that a phenomenon that the workpieces fly about everywhere is avoided, the safety degree of equipment and the machining efficiency are improved, and need of collecting the workpieces placed everywhere is avoided.

The invention discloses a dust-proof blackboard eraser comprising a box cover which is provided with an opening at the bottom. The box cover is formed by four border plates and a top plate connected with the tops of the border plates. A permeable plate is arranged on the lower portion of an inner cavity of the box cover in a sliding mode and provided with a plurality of permeable holes. A cavernous body above the permeable plate is arranged in the inner cavity of the box cover. A water filling port is arranged in the top of the box cover and covered with a seal cover. Four corners of the permeable plate are respectively and fixedly provided with four supporting rods. Sliding rollers are respectively and movably connected between the lower ends of the two supporting rods of the front side and between the lower ends of two supporting rods of the back side. Wiping cloth is coated outside the two sliding rollers. The dust-proof blackboard eraser is simple in structure, capable of preventing air pollution caused by dust, and favorable for health of teachers and students.

The present invention provides a paper currency and coin sorting device used for buses. The paper currency and coin sorting device comprises a paper currency and coin box body and a coin slot, the coin slot extends in the paper currency and coin box body and is equipped with an infrared inductor, and the paper currency and coin box body is equipped with a paper currency and coin classifying mechanism and a coin classifying mechanism orderly from top to bottom. The paper currency and coin classifying mechanism comprises a driving device, a rotating shaft, rotating blades, a circular rotating plate, blowing parts, a paper currency collection box and a coin collection groove, and the coin classifying mechanism comprises a coin gathering box, coin screening plates, vertical baffles and a coin collection box. The paper currency and coin box body is also equipped with an intelligent control system. The sorting device drives the coins to rotate via a roller part to separate the paper currencies and the coins accurately, utilizes the inclined coin screening plates to classify the coins of different face values accurately, and is good in sorting effect. The paper currency collection box and the coin collection box are both equipped with the infrared inductors, thereby being able to remind to collect the paper currencies and the coins timely. The paper currency and coin sorting device also can check the coins automatically, is good in practicality, and is worth being popularized widely.

The invention discloses a working method of an adjustable efficient mower. The adjustable efficient mower comprises a mower body, and a cutting mechanism, a driving mechanism, a grass collecting mechanism and a control device are arranged on the mower body; an adjusting device used for adjusting the height of grass pruning is arranged in the cutting mechanism, a compressing device is arranged in the grass collecting mechanism, the input end and the output end of the driving mechanism are connected with the cutting mechanism separately, the grass collecting mechanism is arranged in the rear of the cutting mechanism, and the cutting mechanism, the driving mechanism, the grass collecting mechanism, the adjusting device and the compressing device are connected with the control device. According to the adjustable efficient mower, grass cut off is collected through the grass collecting mechanism, and the collected grass is compressed through the compressing device, so that the space occupied by the collected grass is reduced, the time of grass pouring is shortened, and the working efficiency is improved; meanwhile, through arrangement of the adjusting device, the pruning height can be adjusted based on actual pruning requirements, so that demands of working personnel are better met.

The invention discloses a milling cutter with a spiral chip separating trough. The milling cutter comprises a first cutting blade, a spiral trough, a working head, a connecting head, an air suction box, a first feeding port, a connecting rod, a ball, an inner ring, a plug hole, a first discharging port, a second discharging port, a second cutting blade and a second feeding port. The milling cutterhas the beneficial effects that chips generated when hole milling is conducted by using the milling cutter can be sucked into the milling cutter by arranging the first feeding port in the spiral trough, therefore the chips are prevented from being detained in a hole, chips generated when plane cutting is conducted by utilizing the second cutting blade can be sucked into the milling cutter throughthe second feeding port, the chips sucked into the milling cutter enter the air suction box through the first discharging port, and then are exhausted out of the air suction box through the second discharging port, the chips can be directionally exhausted through the second discharging port, and thus occurrence of the phenomenon that the chips fly around can be prevented The milling cutter has the characteristics of being simple in structure, less in secondary pollution, convenient to use and the like.

The invention discloses a convenient and comfortable grass mower. The grass mower includes a grass mower body, and the grass mower body is provided with a cutting mechanism, a driving mechanism, a grass collecting mechanism, a damping mechanism and a control device; the grass collecting mechanism is internally provided with a compression unit, and the input end and output end of the driving mechanism are each connected with the cutting mechanism; the grass collecting mechanism is arranged behind the cutting mechanism, and the damping mechanism is arranged on the handrail of the grass mower body; the cutting mechanism, the driving mechanism, the grass collecting mechanism, the damping mechanism and the compression unit are all connected with the control device. According to the grass mower, the grass collecting mechanism is arranged to conduct recycling on the cut grass, which excellently solves the problem that crushed grass is difficult to recycle; meanwhile, the recycled grass is compressed through the compression unit to reduce occupied space, shorten the time of taking out the grass, and improve the work efficiency; meanwhile, the damping mechanism is arranged to reduce the vibration sense when the grass mower works and eliminate discomfortableness caused by the vibration of the grass mower.

The invention discloses a ground cleaner and solves the problems that a conventional cleaning tool is poorer in firmness and bad in cleaning effect in the prior art. The ground cleaner comprises a cleaning bottom plate, cleaning sponges and cleaning teeth, wherein the cleaning teeth are arranged in the middle of the bottom surface of the cleaning bottom plate; the peripheries of the cleaning teeth are fixedly connected with the cleaning sponges; an included angle alpha between the central axis of each cleaning tooth and the cleaning bottom plate is greater than or equal to 30 degrees and is smaller than or equal to 150 degrees; the cleaning teeth are of an inverted cone shape; the cleaning sponges are vertically connected to the cleaning bottom plate and are distributed on the cleaning bottom plate in a left-right direction, a front-back direction or an annular direction; a handle is arranged in the middle of the top surface of the cleaning bottom plate. The ground cleaner has the advantages that dirt at a place with higher adsorption force such as the ground can be effectively removed by virtue of the cleaning teeth, the scraped dirt can be prevented from flying everywhere by virtue of the cleaning sponges, and the working comfort is improved; the effects of larger cleaning area of a dirt removing surface, higher cleaning efficiency and greater convenience in use are achieved.

The invention discloses a method of operating an adjustable efficient environment-friendly cutting machine. The cutting machine comprises a mower body, and the mower body is provided with a cutting mechanism, a driving mechanism, a grass collecting mechanism and a control device, wherein an adjusting device for adjusting the grass trimming height is arranged in the cutting mechanism. A smashing device is arranged in the grass collecting mechanism, the input end and the output end of the driving mechanism are connected with the cutting mechanism, and the grass collecting mechanism is arranged at the rear of the cutting mechanism. The cutting mechanism, the driving mechanism, the grass collecting mechanism, the adjusting device and the smashing device are connected with the control device. According to the method of operating the adjustable efficient environment-friendly cutting machine, cut glass is recycled by arrangement of the grass collecting mechanism, and the problem that it is difficult to recycle crushed glass is solved well; recycled weeds are smashed through a smashing mechanism, a space occupied by the weeds is reduced, and through the arrangement of the adjusting device, the pruning height can be adjusted according to actual pruning requirements.

The invention provides a paper scrap collecting device used for a bookbinding machine. The paper scrap collecting device comprises a main shaft, a first scrap collecting cavity, a second scrap collecting cavity and a scrap guiding pipe. The main shaft is sequentially sleeved with the first scrap collecting cavity, the scrap guiding pipe and the second scrap collecting cavity from top to bottom. The main shaft is further provided with a shaft sleeve. A scrap discharging pipe is arranged on the side edge of the first scrap collecting cavity. The lower end of the scrap discharging pipe is connected with a scrap collecting bag. The scrap guiding pipe comprises a body, a first connector, a second connector and connecting holes. The first connector is connected with the second scrap collecting cavity, and the second connector is connected with the first scrap collecting cavity through the connecting holes. Providing the paper scrap collecting device used for the bookbinding machine is the purpose needing to be achieved, and accordingly paper scraps can be effectively collected and can be prevented from flaying all around.

The invention discloses a comfortable, efficient and environmentally-friendly cutting machine which comprises a cutting machine body. The cutting machine body is provided with a cutting mechanism, a driving mechanism, a weed collecting mechanism, a damping mechanism, a sound absorption device and a control device, an adjusting device used for adjusting the weed trimming height is arranged in the cutting mechanism, a crushing device is arranged in the weed collecting mechanism, the input end and the output end of the driving mechanism are connected with the cutting mechanism separately, the weed collecting mechanism is arranged at the back of the cutting mechanism, the damping mechanism is arranged on a handle of the cutting machine, the sound adsorption device is arranged on one side of a cutting machine body, and the cutting mechanism, the driving mechanism, the weed collecting mechanism, the damping mechanism, the adjusting device, the crushing device and the sound adsorption device are all connected with the control device. Accordingly, recycled weeds are crushed through the crushing mechanism; by means of the adjusting device, the trimming height is adjusted; by means of the damping mechanism, the problem that injury is caused by long-time vibration of a mower to workers can be effectively solved.

The invention discloses a perforating device capable of adjusting the pore size and depth. The device comprises a drilling gun shell, the right end of the drilling gun shell is fixedly connected witha waste scrap shell, a waste scrap cavity is formed in the waste scrap shell, a rotary drum and a rotary shaft are rotatably connected in the waste scrap cavity, and an annular cavity is formed between the rotary drum and the rotary shaft; and an electric motor is fixed to the upper end face of the left side of the drilling gun shell. The device is simple in structure and convenient to operate, the problem that a drill bit needs to be continuously replaced manually to adjust the hole size is solved, the drilling depth can be adjusted in advance through adjustment, the problem that drilling istoo deep or too shallow is avoided, the technical requirement for drilling is lowered. When the device is used, the hole drilling diameter and the hole rotating depth can be manually adjusted in advance, so that holes with various hole diameters and depths are punched, the device is more economical and efficient; and in the drilling process, drilled sweeps can be blown out and collected along withthe penetration of the drill bit, so that the phenomenon that the sweeps fly around in the drilling process is prevented.

The invention relates to a drying device, which is characterized in that it is composed of the following parts: a shell forming the appearance; a chassis forming the lower part of the shell; a rotatable drum arranged inside the shell; hot air is delivered to the drum The drying air duct; the circulating air duct that circulates the hot air passing through the drum; the condensation flow path that condenses the hot air passing through the drum by using the inhaled indoor air; the above-mentioned The indoor air is discharged to the discharge flow path in the lower part of the above-mentioned chassis. In the drying device of the present invention as described above, since the flow path of the hot air discharged to the lower part of the drying device is formed, it is possible to prevent the reflow of the discharged hot air. In this way, not only can the drying efficiency of the drying device be improved, but also the phenomenon that the discharged hot air can prevent dust from flying around.

The invention discloses an electrostatic dust catcher having secondary dust removal. The electrostatic dust catcher comprises a dust catcher comprises a dust catcher body, wherein a dust inlet and anexhaust hole are respectively formed in two sides of the dust catcher body, a plurality of dust hoppers are arranged at the bottom of the dust catcher body and are fixedly connected with the dust catcher body by support rods, a first chamber, a second chamber and the third chamber are sequentially arranged in the dust catcher body from left to right, an airflow distribution plate and a vibrator are arranged in the first chamber, a first filtering chamber, a second filtering chamber and a third filtering chamber are sequentially arranged in the second cavity from left to right, stainless steelnets are arranged at the bottoms of the first filtering chamber, the second filtering chamber and the third filtering chamber, and an inlet is formed between a position, far away from one side of thesecond filtering chamber, of an upper part of the first filtering chamber and the first chamber. The electrostatic dust catcher has the beneficial effect that dust processing is more thorough, dust collection is facilitated, and environment pollution is prevented.

The invention discloses a convenient-to-use cleaning device for a household solar panel, and relates to the technical field of solar panels. The convenient-to-use cleaning device comprises a bottom plate, wherein the front surface of the bottom plate is fixedly connected with a solar panel body; the left side surface and the right side surface of the bottom plate are fixedly connected with the opposite surfaces of two supporting plates respectively; and grooves are formed in the opposite surfaces of the two supporting plates. According to the convenient-to-use cleaning device for the householdsolar panel, a motor, a first gear, a second gear, a driving wheel, a driven wheel, a threaded column, a threaded cap, a connecting plate and a brush are matched with one another, then the second gear drives a first rotating shaft and the threaded column to rotate through a belt, so that a push plate and the brush can move downwards, meanwhile, the brush can be used for removing dust on the solarpanel body, so that the solar panel body does not need to be manually cleaned by people, and meanwhile, a large amount of dust can be prevented from being accumulated on the solar panel body, and thepower generation efficiency and the service life of the solar panel body can be guaranteed to a certain extent.

The invention discloses a novel device for collecting bee venom in batches.The device comprises a box body and an electric shock plate.The electric shock plate is connected with a control switch.One side face of the box body is provided with a bee inlet.The bottom face of the box body is provided with a bee outlet.The bottom of the box body is provided with a bee venom collecting plate which is provided with an upper baffle and a lower baffle.An electric shock plate slot is formed in one side of the front face of the box body.The bottom edge of the electric shock plate slot is flush with the upper surface of the upper baffle.One side of the front face and one side of the back face of the box body are provided with a left inserting plate guide groove and a right inserting plate guide groove which are provided with a left inserting plate and a right inserting plate respectively.A lifting-pulling type pressing plate is arranged on the portion, between the left inserting plate and the right inserting plate, inside the box body and provided with a hand-pulling rod.Compared with the prior art, the novel device for collecting bee venom in batches has the advantages that bee venom can be rapidly collected in batches, time is greatly saved, and the yield is improved; safety and bees and workers is protected; operation is simple, convenient and fast; pollution of external dust impurities is reduced, and the bee venom purity is improved.

The invention discloses drilling equipment for a mobile phone shell, and relates to the technical field of mobile phones. The drilling equipment comprises a bottom plate, a first motor is arranged onthe upper surface of the bottom plate, and a threaded column is arranged on an output shaft of the first motor; a limit plate is arranged at the top end of the threaded column, a threaded cap is arranged on the surface of the threaded column, and the threaded cap is clamped on the upper surface of a top plate. According to the drilling equipment for the mobile phone shell, through the cooperationamong the top plate, a first linear actuator, a second motor, a drilling head, a polishing piece and a buffering cushion, the second motor drives the drilling head and the polishing piece to rotate, therefore the mobile phone shell can be drilled, after hole drilling is finished, the first linear actuator continuously extends to drive the polishing piece to move downward, the hole drilling portioncan be polished, so that the polishing piece makes contact with the mobile phone shell to remove burrs, and it is not necessary to transfer the mobile phone shell to another position for burr removing in the process of removing burrs, a certain period of time can be saved, and the efficiency of machining the mobile phone shell can be ensured to a certain extent.

The invention discloses a production device for degradable plastic tableware chopsticks. The production device comprises a supporting mechanism, a conveying mechanism, a degrading mechanism and a control mechanism, wherein the conveying mechanism is fixedly installed in the left side of the supporting mechanism, the degrading mechanism is fixedly connected to the right side of the conveying mechanism, and the control mechanism is arranged at one end of the side face of the supporting mechanism. According to the production device for the degradable plastic tableware chopsticks, chippings are conveyed into the degrading mechanism from a conveying screw rod, a heating device arranged on the front face of the degrading mechanism is used for heating, then stirring is conducted through a stirring screw rod fixedly installed in a conveying pipe, so that the chippings are softened and enter the production device fixedly installed on the right side of the heating device; a second driving motoris started to enable a second sliding block to slide downwards, a cooling device is fixedly installed at the bottom of the second sliding block, and cold air is conveyed to a granulation head from a cooling pipe; and the granulation head makes contact with the softened chippings to enable the chippings to be in a block shape, then a first sliding block slides leftwards and rightwards, and the block-shaped chippings are placed in a finished product containing box.

The invention discloses an automatic sweeping equipment capable of collecting sweeps. The automatic sweeping equipment comprises a box body, a milling cavity with an upward opening is formed in the box body, an auxiliary cavity with a leftward opening is formed in the right side wall of the milling cavity, a working cavity is formed in the left side wall of the milling cavity, a collecting cavity located on the front lower side of the working cavity is formed in the left side wall of the milling cavity, the front side wall of the collecting cavity is provided with a compression cavity with a rearward opening, and the lower side wall of the compression cavity is provided with a top-bottom-through sweep outlet. The automatic sweeping equipment can be installed on a milling machine, normal use of the milling machine is not affected, the sweeps can be automatically cleaned and collected after milling is finished, in the cleaning process, the situation that the sweeps fly around can be prevented, in addition, the sweeps can be pressed into blocks, collection and later secondary utilization are facilitated, the sweeps do not need to be removed when the number of the sweeps is small, and the sweeps can be collected in a unified mode after being accumulated by a certain amount.

The invention discloses a talcum powder box. The talcum powder box comprises a box body, a partition plate, a powder puff and a box cover; the powder is put in the box body, and covered by the partition plate and the powder puff; the talcum powder box is placed upside down each time when the powder is used, the talcum powder in the box can reach a cotton pad through dense holes formed in the partition plate, and when the cotton pad is directly applied onto a human body, the talcum powder can be released through the cotton pad; after use, the partition plate can be directly uncovered, new talcum powder is added, and the talcum powder can be repeatedly supplemented and is prevented from flying in the air.

The invention discloses self-triggering type sole dust removal equipment for a dust-free workshop. The self-triggering type sole dust removal equipment comprises a shell, a dust removal groove is formed in the upper end of the shell, a filter screen is arranged in the dust removal groove, the filter screen is located on the inner wall of the dust removal groove and fixedly connected with the dustremoval groove, and the dust removal groove is divided into an upper triggering groove and a lower dust suction cavity by the filter screen; a sliding door used for cleaning the filter screen is arranged on the front side of the shell, and a triggering mechanism is installed at a groove opening of the dust removal groove and triggered through treading of a person; a flapping mechanism is arrangedin the triggering groove and is used for flapping dust on the shoe sole. The dust removal equipment can be used for removing dust of the shoe sole, meanwhile, manual starting is not needed, a user only needs to stand on the dust removal equipment when the dust removal equipment is used, and an excellent dust removal effect is achieved through cooperation of the flapping mechanism and the dust suction mechanism.

The invention discloses a bamboo filament length fixing machine. The bamboo filament length fixing machine comprises a rack. Two guiding rods are arranged on the rack, wherein the guiding rods are distributed in the left-right direction. Each guiding rod is provided with a sliding block. A sliding plate is arranged on the sliding blocks. The front end and the rear end of the sliding plate are provided with a passing groove and an arc-shaped fixing seat correspondingly. A cutting groove is formed in the middle of the arc-shaped fixing seat, wherein the cutting groove corresponds to the passinggroove in position. A blade protective cover is arranged above the passing groove. The passing groove is internally provided with a cutting blade. The cutting blade is connected with a cutting motor,wherein the cutting motor is fixed to the lower portion of the rack. A length fixing mechanism is arranged at one side of the arc-shaped fixing seat, wherein the length fixing mechanism is fixed to the sliding plate. An arc-shaped cover is arranged above the arc-shaped fixing seat, wherein the arc-shaped cover corresponds to the cutting groove in position. Nozzles are arranged on the inner wall face of the arc-shaped cover and connected with a water tank through pipes, wherein the water tank is located at the other side of the arc-shaped fixing seat. A waste water recycling box is arranged below the sliding plate, wherein the waste water recycling box corresponds to the cutting groove. The bamboo filament length fixing machine has the beneficial effect that the bamboo chip collection effect can be effectively improved.

The invention discloses an efficient dust collection device for a weft knitting machine. The efficient dust collection device comprises a supporting base, a control panel, a power line, a vertical supporting plate, a multi-directional dust collection device and an overall adjusting mechanism. According to the efficient dust collection device for for the weft knitting machine, through arrangement of the multi-directional dust collection device, under the drawing of an exhaust fan, a top dust collection mechanism can collect dust at the upper end of the weft knitting machine, meanwhile, a first lateral dust collection mechanism and a second lateral dust collection mechanism can collect dust on the side edges of the weft knitting machine, and therefore multi-directional synchronous dust collection work can be conducted on the weft knitting machine, the dust collection efficiency is greatly improved, a traditional dust blowing mode is changed, and the situation that the dust such as batting flies around is prevented.

The invention discloses a drawer type pencil sharpener. The drawer type pencil sharpener comprise a sharpener body and a shell and is characterized in that a push-pull groove is arranged in the shell, the shell is connected with the push-pull groove through sliding grooves, a first pencil hole is formed in the outer side of the push-pull groove, the sharpener body is arranged in the push-pull groove, and a second pencil hole is formed in the sharpener body. The drawer type pencil sharpener is small in structure, can be placed into a pencil case and brought into an examination room during examination, and is convenient to carry. Besides, as the push-pull groove is arranged, pencil chips produced when a pencil is sharpened can enter the push-pull groove, the phenomenon that the pencil shavings fly around is effectively prevented, and a clean and sanitary environment is ensured. The structure is simple, and the use is convenient.

The invention discloses a wood cutting machine capable of preventing wood chips from scattering and fixing wood. The machine comprises a cutting table, a baffle and a wood chip collecting box, whereina cutting module is fixed at the upper end of the cutting table, a rotating handle is fixed at the top of a threaded rod, the baffle is fixed at the upper end of the cutting table, a dust suction module is arranged inside the cutting table and is connected with a dust suction pipeline, the dust suction pipeline is connected with a dust suction head, the dust suction head is fixed inside the baffle, a first groove is formed in the top of the cutting table, a second groove is formed in the top of the cutting table, a dust exhaust hole is formed in the outer side of the cutting table and is connected with the dust suction module, and a fixed clamping plate is fixed at the upper end of the cutting table. The wood cutting machine is provided with the baffle and a dust collector, the phenomenonthat the wood chips and dust fly in disorder can be effectively prevented, people are prevented from inhaling dust, the cutting table is arranged at the upper end of a machine box, and the to-be-cutwood can be fixed through a movable clamping plate.

The invention discloses a portable ashtray, which comprises an upper bottle body and a lower bottle body; the lower end of the upper bottle body and the upper end of the lower bottle body are detachably connected; a neck is arranged in the middle of the top end of the upper bottle body, a clamp spring for clamping a cigarette is arranged on the inner side of the neck, and a reticular inner container is arranged in an inner cavity between the upper bottle body and the lower bottle body and is detachably connected with the lower end of the upper bottle body. The portable ashtray can be carried about, the flying ash phenomenon can be effectively avoided, the surrounding environment can be protected, and the hidden safety hazard caused by falling of cigarette ends can be eliminated. Due to detachable connection of the upper bottle body and the lower bottle body, people can conveniently clean cigarette ash and cigarette ends contained inside the lower bottle body and the inner container.