291 results about "Rubber glove" patented technology

The utility model relates to an energy-saving type carving and trimming device for garden wood products, which comprises a base, a box body is arranged above the base, air blowers are arranged on two sides above the box body, a polishing machine is arranged on one side of each air blower, a polishing disc is arranged at the bottom of the polishing machine, and an operation table is arranged below the polishing disc. Threaded blocks are arranged on the two sides of the interior of the operation table, and stand columns are fixedly connected to the upper portions of the threaded blocks. Through the arrangement of the box body, the air blower and the steel grating plate, dust generated during polishing and trimming can be blocked by the box body, meanwhile, the air blower can blow the dust generated during polishing and trimming downwards into the collecting box to be collected in a centralized mode, and the rotating handle can drive the rotating shaft and an engraved object to rotate longitudinally; and the rubber glove enables an operator to manually operate a tool to polish and trim the engraved object, so that the polishing and trimming modes of the engraved object are increased, and the practicability of the engraving and trimming device is improved.

The invention relates to the technical field of disposable gloves, in particular to disposable antiperspirant butyronitrile gloves and a preparation method thereof. The disposable antiperspirant butyronitrile glove comprises a glove body and an antiperspirant layer attached to the glove body, and the antiperspirant layer is prepared from, by weight, 85-95 parts of carboxyl butyronitrile latex, 3-8 parts of aluminum chlorohydrate, 2-4 parts of modified nanocellulose, 1-2 parts of glycerinum, 0.5-1 part of polyethylene glycol 6000, 2-3 parts of zinc oxide nanoparticles and 0.1-0.3 part of mint extract. The invention also discloses a preparation method of the disposable antiperspirant butyronitrile glove. Through the synergistic effect of the constructed composite emulsion system containing the ACH-PEG nano sustained-release particles and the preparation process of the butyronitrile latex, the balance optimization of the antiperspiration function and the mechanical property of the glove is realized. Compared with traditional rubber gloves, on the basis that the tensile strength is kept, the sweat inhibition capacity is greatly improved.

The invention relates to the technical field of rubber gloves, and discloses an ethylene propylene diene monomer glove and a manufacturing method thereof.The ethylene propylene diene monomer is selected as a glove body material, and a softening agent, a reinforcing agent, a vulcanizing agent, an auxiliary vulcanizing agent and an anti-aging agent are added in a matched mode according to the proper proportion; the glove has excellent elasticity and has excellent tolerance and aging resistance to various strong acids, strong alkalis, organic solvents and the like, internal and external dual treatment is adopted, the inner surface of the glove is treated through a silica gel lubricant, the inner surface of the glove is smoother, more comfortable and more suitable for wearing, and the inner surface and the outer surface of the glove are treated through an anti-slip agent, so that the wear resistance of the glove is improved. A layer of uniform anti-slip film is formed on the inner and outer surfaces of the glove through drying and curing, the friction force of the surface of the glove is increased, the glove is prevented from slipping off when an object is grabbed, the use safety is improved, the characteristics of the ethylene propylene diene monomer are fully played by controlling the raw material ratio, the mixing temperature and time, the vulcanization condition and the like, and the glove can meet the requirements of various use scenes.

To provide a manufacturing method of rubber gloves having a good balance of other functions (e.g. electric conductivity, flexibility, strength, etc.) in addition to chemical deterioration resistance and chemical permeation resistance and to provide a composition for manufacturing rubber products and the rubber gloves.SOLUTION: A manufacturing method of rubber gloves includes the steps of: mixing rubber materials and carbon nanotubes to produce a rubber compound; dissolving the rubber compound with an organic solvent to produce a rubber solution; immersing a glove mold in the rubber solution to form a rubber composition; and vulcanizing the rubber composition.SELECTED DRAWING: Figure 1

The invention discloses a biodegradable butyronitrile glove and a preparation method thereof.The biodegradable butyronitrile glove has good biodegradability under the condition that the tensile strength, wear resistance and acid and alkali resistance of the glove are kept, and the glove can be used for preparing a glove through metabolism and enzyme effects in the natural environment; the glove can be degraded into organic matters and finally decomposed into natural elements, the problem that the butyronitrile glove is difficult to degrade is solved, and the natural environment is protected.

The present invention relates to the technical field of polymer materials, and specifically to a tungsten-containing lead-free radiation-proof rubber glove and a preparation method thereof. The present invention overcomes the disadvantages of poor radiation-proof ability and poor anti-permeability performance. After the modified ethylene propylene diene monomer rubber is plastified, an activator and an antioxidant are added for the first stage of internal mixing, then carbon black, a composite reinforcing agent, a radiation shielding powder, and a dispersant are added for the second stage of internal mixing, and finally paraffin oil is added for the third stage of internal mixing to obtain a crude mixed rubber; the crude mixed rubber, the radiation shielding powder, the dispersant, a vulcanizing agent, and a vulcanization aid are mixed and open-milled to obtain a rubber sheet; after the rubber sheet is parked, filtered, injection molded, second-stage vulcanized, cleaned, and dried, a tungsten-containing lead-free radiation-proof rubber glove is obtained. The tungsten-containing lead-free radiation-proof rubber glove prepared by the present invention has strong radiation-proof performance and strong anti-permeability performance, and is suitable for the protection of complex radiation environments.

The invention relates to the technical field of high polymer materials, in particular to tungsten-containing lead-free anti-radiation rubber gloves and a preparation method thereof. The anti-radiation fabric overcomes the defects of poor anti-radiation capability and poor anti-permeation performance. The preparation method comprises the following steps: plastifying modified ethylene propylene diene monomer rubber, adding an active agent and an anti-aging agent, carrying out first-time internal mixing, adding carbon black, a composite reinforcing agent, radiation shielding powder and a dispersant, carrying out second-time internal mixing, and finally adding paraffin oil, and carrying out third-time internal mixing to obtain a crude rubber compound; mixing the crude rubber compound, radiation shielding powder, a dispersing agent, a vulcanizing agent and a vulcanizing aid, and performing open milling to obtain a rubber sheet; and the tungsten-containing lead-free anti-radiation rubber gloves are obtained after the rubber sheets are subjected to standing, filtering, injection molding, two-stage vulcanization, cleaning and drying. The tungsten-containing lead-free anti-radiation rubber glove prepared by the invention has strong anti-radiation performance and strong anti-permeation performance, and is suitable for protection in a complex radiation environment.

The invention is applicable to the technical field of rubber product drying devices, and provides uniformly heated drying equipment for rubber and plastic products, which comprises a drying box, both sides of the drying box are provided with open slots, the inner side of the drying box is provided with a mounting frame, and the top of the mounting frame is fixedly connected with the top wall of the drying box. The two sides of the mounting frame are each fixedly connected with a set of guide rails, the number of the guide rails in each set is two, and a plurality of movable plates are arranged between the guide rails in each set. According to the glove mold heating device, the first heating mechanism is matched with the circulating communication mechanism, and a plurality of moving and rotating glove molds in the conveying mechanism can be heated from the interior, so that the temperature of the glove molds can be quickly increased; and therefore, the situation that the temperature of the rubber gloves tightly attached to the glove mold is slowly increased due to the fact that surface heat is conducted into the glove mold can be avoided, the heating efficiency of the external rubber gloves can be improved by directly heating the glove mold, and the drying efficiency of the rubber gloves is improved.

The utility model discloses automobile wire harness sealing performance detection equipment, relates to the field of automobile wire harnesses, and aims to solve the problems that external dust and impurity particles are easily adhered and accumulated at a sealing silica gel layer or a seam between an automobile wire harness and a wire harness placement groove, so that the sealing performance of the equipment is greatly reduced during mold closing, and the airtightness detection precision is influenced. According to the technical scheme, a protection box body wrapping the outer edge of a mounting plate is fixedly arranged on the top wall of a base plate, a transfer box is arranged on the outer side wall of the protection box body in a communicating mode, a wire harness containing opening is formed in the face, away from the protection box body, of the transfer box, and the transfer box is externally connected with a dust removal air pipe and an exhaust pipeline; during equipment detection, good sealing performance is integrally kept, and air tightness detection result deviation caused by the fact that impurities and foreign matters affect the sealing effect of the equipment is avoided.

The utility model discloses an anti-falling medical rubber examination glove which comprises a medical rubber glove body, and a tightening assembly and a second anti-slip strip are arranged on the inner wall of an opening of the medical rubber glove body. The tightening assembly comprises the first anti-slip strip fixed to the inner wall of an opening of the medical rubber glove body, a groove is formed in the inner side of the first anti-slip strip, a tightening strip is arranged on one side of the groove, and inverted teeth are arranged on the outer wall of the tightening strip. A threading box is arranged on the other side of the groove, a rotating shaft is rotationally connected into the threading box, the outer wall of the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is supported on the inner wall of the threading box, a limiting piece is obliquely arranged on one side of the rotating shaft, and one end of the limiting piece is supported on the inverted teeth. The device can improve the tightness of the wrist when the medical rubber glove main body is worn, so that the phenomenon that the medical rubber glove main body falls off in the wearing process is avoided.

The utility model relates to the technical field of constant-temperature and constant-humidity weighing systems, in particular to a constant-temperature and constant-humidity weighing system with a built-in balance, which comprises a base, a constant-temperature and constant-humidity groove and a constant-temperature and constant-humidity air conditioner are arranged on the base, a first sliding groove is arranged in the constant-temperature and constant-humidity groove, and a sliding plate is arranged in the first sliding groove in a sliding manner. An electronic balance and a catching groove are arranged on the sliding plate, a plurality of ion fans are arranged on one side of the top face of the constant-temperature and constant-humidity tank, a first rotating blocking door is rotationally arranged on one side of the constant-temperature and constant-humidity tank, an observation window is formed in the first rotating blocking door, and a rubber glove operation opening is formed in the observation window; the influence of static electricity and blowing of the constant-temperature and constant-humidity air conditioner on the weighing result can be effectively prevented, and the accuracy of the weighing result is improved.

The invention discloses an anti-radiation medical protective glove and a production process thereof, and belongs to the technical field of medical protective gloves, a polydopamine hollow microsphere is prepared by using ZIF-8 as a self-sacrifice template, bismuth and gadolinium elements are loaded through hydrothermal synthesis and ion adsorption, a composite shielding microsphere is prepared, and the composite shielding microsphere is used for preparing the anti-radiation medical protective glove. Then, the composite shielding microspheres and a nano starch enhanced cross-linked network are synergistically introduced into a natural latex matrix, after dipping forming, a hydrophilic / hydrophobic wetting gradient is constructed on a glove lining through mask auxiliary plasma etching, and the anti-radiation medical protective glove is prepared. Through the cooperation of the shielding function of the composite microspheres, the mechanical enhancement of a nano starch cross-linked network and the surface one-way moisture conduction function, the glove has excellent radiation protection performance and also has the characteristics of being light, flexible and comfortable to wear, the problems that a traditional lead rubber glove is heavy, rigid and poor in air permeability are effectively solved, and the service life of the glove is prolonged. The system is especially suitable for medical scenes requiring high flexibility and comfort, such as interventional radiosurgery.

The invention discloses an antibacterial barrier rubber glove material and a preparation method thereof, and relates to the technical field of rubber glove materials. The invention discloses an antibacterial barrier rubber glove material. The rubber comprises the following raw materials in parts by weight: 60-75 parts of natural rubber latex, 25-40 parts of nitrile rubber, 4-7 parts of zinc oxide, 1-4 parts of stearic acid, 0.5-2.5 parts of sulfur, 3-6 parts of modified nano-zinc oxide, 4-7 parts of modified rectorite, 2-5 parts of sodium carboxymethyl cellulose, 3-6 parts of bamboo fibers, 5-8 parts of ethylene-vinyl acetate copolymer, 1-4 parts of ethylene glycol and 5-8 parts of talcum powder. 0.4 to 0.9 part of bis (3-triethoxysilylpropyl) disulfide, and 0.05 to 0.15 part of carbon nanotube. The antibacterial barrier rubber glove material is scientific in raw material ratio, is subjected to special modification treatment, integrates the advantages of nature and nitrile rubber, is outstanding in antibacterial property and barrier property, is standard in preparation process, can guarantee the stable performance of the material, and is suitable for medical scenes and other scenes with high protection requirements.

The invention discloses a rubber glove box protective glove with a latex coating and a manufacturing method. The glove comprises a mould pressing rubber layer and a local latex coating. The mold pressing rubber layer is prepared through mold pressing vulcanization forming and comprises rubber, a shielding component, a reinforcing filler, a filling agent, an active agent, an anti-aging agent, a plasticizer, a lubricating release agent, a vulcanizing agent and an accelerant. The local latex coating is prepared through latex impregnation, and latex components comprise latex, reinforcing filler, a stabilizer, a diffuser, an active agent, an anti-aging agent, a vulcanizing agent, an accelerant, a thickening agent, a defoaming agent and a coloring agent. Through formula design of the mold pressing rubber layer and the local latex coating and optimization of a latex dipping process, the glove box glove with high mechanical hazard protection performance in the local position is obtained on the premise that the ray protection function and wearing comfort are guaranteed, and the service life of the glove box glove is prolonged. And the service life of the glove box protective glove under the radiation and mechanical dual harm scenes is prolonged.

The present invention relates to the technical field of small buildings, and particularly relates to an isolated toll booth; it includes a booth, one side of the booth is provided with an isolation board, the isolation board contacts the outside through rubber gloves, a placement box is arranged on the outer wall of the booth close to the isolation board, the placement box is fixedly connected with a disinfection box, a stacking box is slidably matched in the disinfection box, the stacking box is communicated with the inside of the booth, a pushing device is arranged at the lower end of the disinfection box, and a plurality of ultraviolet lamps are arranged on the side wall of the disinfection box; by setting the stacking box connected to the booth, the access card can quickly enter the booth after being disinfected, effectively reducing the working steps of the isolated toll booth and effectively improving the working efficiency of the isolation. Through the cooperation of the disinfection box and the stacking box, the access card disinfection and stacking of the isolated toll booth are automated, and the stacking method is simple and occupies little space, thereby effectively improving the working efficiency of the isolated toll booth and effectively improving the isolation effect of the isolated toll booth.

The utility model relates to the technical field of pipe fittings, in particular to an EP (epoxy resin) clean pipeline inspection tool, which comprises a main body, an outer thread is arranged on the side surface of one end, an inner thread is arranged on the side surface of the other end, and the outer thread and the inner thread are matched and connected with each main body; the two glove boxes are fixed to the two ends of the main body, rubber gloves are arranged on the side faces of the glove boxes, and internal EP pipe caps are opened through operation of the rubber gloves; the endoscope is arranged in the glove box, and one end of the endoscope is fixed on the glove box through a connecting line; the argon bottle is communicated with the glove box through a gas pipe; the EP pipe is sleeved with the clamping sleeve and then arranged in the middle of the interior of the body, and the body is longer than the EP pipe. According to the utility model, through the set main body structure and the glove box, effective inspection and operation on the interior of the EP pipe in the environment without a clean room are realized, the cleanness of the internal environment in the inspection process is ensured through argon purging, the whole tool provides a closed and controlled operation environment, and the work efficiency is improved. Therefore, the working efficiency and the inspection accuracy are improved.

The utility model relates to the technical field of anti-pollution inspection, in particular to an anti-pollution inspection device for a clinical laboratory, which comprises a box body, a glass plate arranged on the box body, a placing box arranged inside the box body, an inspection bench arranged on the box body, two rubber gloves symmetrically arranged in the middle of the box body, and two processing boxes fixedly arranged on two sides of the box body respectively. An air cavity is formed in one side of the interior of the treatment box, an exhaust fan is arranged in the treatment box, a rotating cylinder is rotationally arranged in the treatment box, an outlet is formed in the rotating cylinder, a plurality of treatment cavities are formed in the treatment box, and cleaning assemblies are arranged in the treatment cavities. According to the utility model, the rotating cylinder can rotate in the treatment box, and when the cleaning assembly in one treatment cavity is replaced, the outlet in the rotating cylinder corresponds to the other treatment cavity, so that when the cleaning assembly in the treatment cavity is replaced, normal treatment on gas in the box body is not influenced; and a worker is prevented from inhaling germs into the body in the breathing process.

The utility model discloses an auxiliary material grinding device for nitrile rubber glove production, and relates to the technical field of grinding equipment. Comprising a fixed seat; the grinding machine is arranged on the outer side of the fixing base and used for grinding the auxiliary materials; the supporting piece is arranged on the outer side of the grinding machine and used for supporting the grinding machine; and the rotating assembly is arranged in the supporting pieces and used for controlling the grinding machine to swing, the supporting pieces are connected with the fixing base, the supporting pieces are symmetrically distributed on the outer side of the fixing base, and the interiors of the supporting pieces are in a hollow supporting piece shape. Through the arrangement of the rotating assembly, the sector gear, the motor, the first gear, the second gear, the third gear and the connecting gear are matched, so that the grinding machine can be controlled to shake in the grinding process, the situation that operators need to watch and shake the grinding equipment in the grinding process is avoided, the working intensity of the operators is reduced, and the working efficiency is improved. And the working efficiency of operators is ensured.

The technical problem to be solved by the invention is to provide an anti-skid rubber glove, the anti-skid rubber glove comprises a rubber glove body, the rubber glove body comprises a fingertip part and a palm part, and the outer surface of the fingertip part is provided with anti-skid raised lines; the anti-skid layers are arranged on the inner surface and the outer surface of the rubber glove body, and the glove is good in anti-skid effect, simple in structure and good in hand feeling. Meanwhile, the invention provides a preparation method of the anti-skid rubber glove, and the method is simple in process and free of pollution.

The application relates to the technical field of high polymer materials, and particularly discloses a high-toughness rubber glove material and a preparation method thereof, the high-toughness rubber glove material comprises the following raw materials: a base material, nano silicon dioxide, a multifunctional crosslinking agent, a peroxide initiator, a lubricant and an antioxidant; the base material is composed of alpha-olefin ethylene copolymer, ethylene propylene diene rubber and hydrogenated styrene-butadiene block copolymer in a mass ratio of 5-7:2-3:1-2. The hydrogenated styrene-butadiene block copolymer is introduced as a physical compatibilizer, macroscopic phase separation in a dynamic crosslinking process is effectively inhibited, and crystal point defects are eliminated; the multifunctional crosslinking agent is used for micro-crosslinking, so that the material can dissipate strain energy through molecular chain stretching when subjected to external force, the tensile strength, the elongation at break and the tear strength of the glove are significantly improved under the premise of keeping soft, and excellent barrier blocking performance is endowed.

The invention discloses a wear-resistant tensile composite material for rubber gloves and a preparation method thereof, and belongs to the technical field of new materials, the wear-resistant tensile composite material comprises the following raw materials by weight: 80-100 parts of modified rubber, 10-15 parts of a filler, 3-5 parts of a plasticizer, 1-2 parts of an antioxidant, 2-3 parts of a heat stabilizer, 2-3 parts of a lubricant and 5-8 parts of a vulcanizing agent; the prepared expanded particles serve as polymerization base points of modified polyborosilicate rubber, promote fracture of disulfide bonds in modified ternary rubber and serve as radiation absorption centers to promote crosslinking of the expanded particles and the modified ternary rubber, the mechanical performance of the material is improved, a glassy protective layer is generated by a silicon-boron structure of the expanded particles in the combustion process and covers the surface of the material, and the service life of the material is prolonged. And carbonization of organic matters is promoted, so that the material forms a heat-insulating carbon layer, and the flame retardant property of the material is improved.

The present invention relates to a donning aid for rubber gloves, comprising an evacuable container having an opening, an annular molding connected to the rubber glove and airtightly closing the opening, and means for evacuating the airtightly closed container.

The utility model discloses an impregnation drying device for a glove model, which comprises a plurality of drying lamps mounted in an inner cavity of the drying device, the drying device comprises a base, a shell is fixedly mounted at the top of the base, a device door is rotatably connected to the front side of the shell, a rectangular groove is formed in the bottom of the rear side of an inner cavity of the shell, and the device door is rotatably connected to the rear side of the inner cavity of the shell. A threaded rod is rotationally connected into an inner cavity of the rectangular groove, the left end of the threaded rod penetrates to the left side of the shell, a motor is fixedly installed at the bottom of the left side of the shell, and an output shaft of the motor is fixedly connected with the left end of the threaded rod. The drying device and the drying lamp are used in cooperation to dry a rubber glove model, the threaded rod and the motor are used in cooperation to enable the threaded sleeve plate to move left and right on the top of the base, and the scraping plate is arranged to clean residual rubber on the top of the base. Therefore, the purpose of effectively cleaning the residual glue in the drying device can be achieved.

The utility model discloses a glove box glove flange, including outer ring body, inner ring body and frame board, outer ring body one end has the extension section, and the extension section is used for extending into glove box inside, and inner ring body is screwed with the extension section, and the other end of outer ring body has the fixed cylinder, and the frame board is connected with outer ring body through the cushion block, and the frame board slidingly fits with the movable plate, and the movable plate has the sleeve body, and the sleeve body is provided with movable cylinder, and the movable cylinder outer wall is provided with a plurality of first elastic ring, and a plurality of first elastic ring is opposite with the sleeve body inner wall, and the movable cylinder has the terrace for installing rubber gloves, and the movable plate inboard is equipped with the elastic sealing layer, and the elastic sealing layer is opposite with the fixed cylinder front end, and the movable plate can move along the frame board vertical, is used for driving sleeve body and fixed cylinder butt joint or staggered, can dismount the replacement of rubber gloves, in the process of replacing gloves, effectively avoid glove box inside long -time direct exposure in the air, effectively reduce the entry of external dust and other impurities, make the experimental environment of glove box inside not easy dust interference.

The invention relates to the technical field of medical instrument detection, in particular to a medical rubber glove leakage detection device. The device comprises a liquid filling device used for filling detection liquid into the medical rubber gloves, a hanging device installed at the bottom of the liquid filling device and used for hanging the medical rubber gloves, and a receiving groove installed under the liquid filling device and used for receiving the detection liquid flowing down when leakage of the medical rubber gloves is detected. The liquid filling device can rapidly fill detection liquid into the glove, the detection speed is increased, leakage points of the glove can be recognized in a short time through direct liquid injection, the glove can be easily hung and fixed below the liquid filling device through the design of the hanging device, and the operation process is simplified.

The rubber glove demolding equipment for the electronics factory comprises a glove mold, a cavity is machined in the glove mold, a miniature opening set is machined in the front face of the glove mold, a mounting disc is fixedly connected to the bottom of the glove mold, and a connecting pipe is rotationally connected to the inner wall of the mounting disc through a bearing; the lower portion of the glove mold is rotationally connected with a mounting pipe through a bearing. The utility model relates to the technical field of rubber gloves, and in the rubber glove demolding equipment for the electronics factory, through the matching of a glove mold, a cavity, a miniature opening group, a mounting disc and a connecting pipe, when the gloves are still on the surface of the mold, the air tightness of the gloves can be detected, and during the detection, the air tightness of the gloves can be detected. The rubber gloves can be blown away from the surface of the mold through air, so that demolding operation is achieved, the probability that the gloves are damaged due to direct rigid tearing can be greatly reduced, and meanwhile the overall working time of glove production can be shortened.

The invention belongs to the technical field of labor protection articles, and particularly relates to a low-temperature-resistant nitrile rubber impregnated glove and a preparation method thereof.The low-temperature-resistant nitrile rubber impregnated glove comprises a glove core, and a low-temperature-resistant nitrile rubber layer is fixed to the outer surface of the glove core in an impregnation mode; slurry components of the low-temperature-resistant nitrile rubber layer comprise a nitrile rubber material, potassium hydroxide, zinc oxide, polyurethane emulsion and wax emulsion, and raw material components of the nitrile rubber material comprise nitrile rubber, a vulcanizing agent, an accelerant and a cold-resistant additive. According to the present invention, the traditional contradiction among low temperature resistance, mechanical strength and wear resistance of the nitrile rubber glove is well solved, and the high stability and the processing adaptability of the slurry in the impregnation process are ensured so as to successfully prepare the nitrile rubber glove, and meanwhile, the impregnated gloves have the comprehensive advantages of durability, comfort, flexibility and the like.

1. The name of the design product: rubber glove mold (3). 2. The use of the design product: the design product is used for making rubber glove mold. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom view is not a common face, and the bottom view is omitted.

The utility model relates to the technical field of sand blasting machines, and provides surface sand blasting treatment equipment for jewelry manufacturing, which comprises a box body and a sealing cover arranged at the top of the box body, a scraping mechanism is arranged on the inner side of the sealing cover and is used for scraping sand water attached to the inner side of the sealing cover, and the scraping mechanism is used for scraping sand water attached to the inner side of the sealing cover. A scraping mechanism is arranged in the box body, a washing mechanism is arranged on one side of the scraping mechanism and used for being matched with the scraping mechanism to wash sand water attached to the inner side of the sealing cover, rubber gloves are installed on the front side of the box body, and a sand blower is installed in the box body. The scraping mechanism comprises a motor fixedly connected to the top of the sealing cover, the output end of the motor is connected with a rotating shaft, one end of the rotating shaft penetrates to the inner side of the sealing cover and is rotationally connected with the sealing cover, and one end of the rotating shaft is fixedly connected with a fixing plate. By means of the technical scheme, the problems that in the prior art, when a scraping strip works, sand water blocks sight lines, and waste is prone to occurring are solved.

The utility model relates to the field of calculus bovis selecting devices, in particular to a calculus bovis selecting device capable of reducing loss. Comprising a box body, two rubber gloves are installed in the box body, a connecting pipe is installed at one end of the box body, an air extracting pump is installed at the end, away from the box body, of the connecting pipe, a supporting frame is installed at the end, close to the air extracting pump, of the box body, the air extracting pump is installed on the supporting frame, and a collecting structure is arranged at the end, close to the supporting frame, of the box body. The collecting structure comprises two connecting rods, the two connecting rods are fixedly connected with the box body, and the ends, away from the box body, of the connecting rods are fixedly connected with a shell. The calculus bovis picking device capable of reducing the loss has the advantages that manual picking operation or manual picking operation is carried out in the negative pressure device through the negative pressure device, calculus bovis powder in the picking process can be collected through the air outlet which exhausts air outwards, and the calculus bovis loss is reduced.