45results about How to "Prevent removal" patented technology

The invention relates to a semiconductor measurement equipment chuck rotation center calibration method and system, and the method comprises the following steps: collecting a wafer surface feature pattern on a chuck at a time, obtaining a plurality of absolute mechanical coordinates of the feature pattern in a rotation process, obtaining a first center searching compensation value based on the absolute mechanical coordinates, and obtaining a second center searching compensation value based on the first center searching compensation value; the initial position of the chuck rotation center is positioned based on the first center searching compensation value; obtaining the residual eccentricity between the wafer and the chuck rotation center based on the initial position of the chuck rotation center and the position difference after rotation; and correcting the first centering compensation value according to the residual eccentricity to obtain a second centering compensation value, and taking the second centering compensation value as a final compensation value of the chuck rotation center to eliminate the residual eccentricity between the wafer and the chuck so as to complete calibration of the chuck rotation center. According to the invention, the deviation after final compensation is less than 0.1 [mu] m.

The utility model provides a spherical pharmaceutical all-in-one machine. The spherical pharmaceutical all-in-one machine comprises a bottom plate, a first supporting frame, a heightening seat, a containing tank, a main shaft, blades, a connecting frame, a scraping plate, a spring, a rotating cylinder, a first bearing seat and a second bearing seat. The two ends of the spring are connected with the connecting frame and the scraper respectively, and the connecting frame is connected with the outer wall of the main shaft, so that when the main shaft drives the connecting frame to rotate, the connecting frame drives the scraper to rotate through the spring, the spring is stretched through centrifugal force, and the scraper is attached to the inner wall of the containing tank; and therefore, the crystals adhered to the inner wall of the accommodating tank can be scraped by the scraping plate, so that the crystals can be conveniently collected.

The invention belongs to the technical field of automobile maintenance equipment, particularly relates to a vehicle-mounted mobile automobile maintenance station and a use method thereof, and provides the following scheme aiming at the problems that existing maintenance instruments are difficult to carry, cannot normally carry out maintenance work in rainy and snowy weather and are easily affected with damp in a compartment. The device comprises a compartment fixedly installed on the top of an automobile hopper through bolts, a containing plate and a sliding plate are slidably connected into the compartment, the containing plate is located above the sliding plate, a plurality of pulleys are arranged at the bottom of the containing plate, and the pulleys make contact with the top of the sliding plate. Through cooperation of an L-shaped rotating turning plate and a rain baffle, a maintainer can conduct maintenance normally in rainy and snowy days, carrying of the jacking structure can be easily completed through a control structure, the maintenance efficiency of the maintainer is improved, the maintainer is prevented from being injured in the carrying process, and the maintenance cost is reduced. In addition, the jacking structure not only can jack the automobile, but also can be matched with the tire dismounting structure to dismount the tire.

The utility model provides an automatic intelligent adjusting infusion support for an operating bed, and relates to the technical field of infusion supports. A groove is formed in the middle of the upper end of the bearing plate; a circle of threaded groove is formed in the upper end of the bearing plate. Through accurate control of the electric rod, the position of the infusion bag can be adjusted according to the lying height of a patient, appropriate liquid pressure in the infusion process is ensured, too fast or too slow infusion can be avoided, safety and effectiveness of treatment are ensured, the electric rod can rapidly and stably adjust the height of the infusion bag, the height of the infusion bag is closely related to the infusion speed, and the infusion bag is convenient to use. The problems that the height of a hook on an infusion support needs to be automatically adjusted due to different body types or operation positions of patients, and otherwise an infusion bag on the hook is too high or too low and cannot be infused into the bodies of the patients at a proper speed are solved.

This utility model discloses a transformer copper foil winding fixture belonging to the field of transformer processing technology. It includes a base, a turntable movably connected to the top of the base, a fixed clamping plate fixedly welded to one side of the top center of the turntable, and a drive groove on the other side of the top center of the turntable. A clamping motor is fixedly installed at the end of the drive groove away from the fixed clamping plate, and a screw is provided at the output shaft end of the clamping motor. A slider is slidably arranged inside the drive groove, and a movable clamping plate is fixedly welded to the top of the slider. A threaded sleeve is embedded in the inner side of the slider. By setting the fixed clamping plate and the movable clamping plate on the top of the turntable, the clamping motor in the drive groove drives the screw to rotate, causing it to move the threaded sleeve and the slider, thereby driving the movable clamping plate to move closer to the fixed clamping plate and clamp and fix the end of the copper foil, ensuring its stability and preventing the end of the copper foil from detaching at the beginning of winding.

The utility model discloses a multifunctional anti-fake cover assembly which is applied to a container, when liquid is taken out for the first time, a jacking linkage mechanism can act on an anti-fake block to rotate and unfold relative to an anti-fake seat, so that an anti-fake assembly becomes larger integrally, the anti-fake assembly is prevented from being taken out from an opening of the container, and the multifunctional anti-fake cover assembly has the advantages of being good in anti-fake effect, simple in structure and low in manufacturing cost.

This invention provides a follow-up clamping device for providing vortex gas to a laser welding head to protect the workpiece being welded. The follow-up clamping device includes: a clamping body having a conical inner cavity; a connecting member, one end of which is connected to the laser welding head; and an annular gas supply member, through which gas is introduced from the large opening side of the conical inner cavity, converges and forms a vortex-like converging airflow within the conical inner cavity, and is then ejected from the small opening side of the conical inner cavity, suitable for spraying towards the workpiece being welded. This invention solves the problems of unstable gas protection and the existence of protection dead zones in existing technologies, as well as the problem of severe plasma shielding effects affecting welding depth and energy transmission in existing technologies. It also solves the problem of existing laser welding clamping mechanisms obstructing airflow and causing protection blind zones.

The utility model relates to the technical field of lightning protection testing, in particular to a lightning protection element testing device which comprises a storage box, a cavity is formed in the storage box, a stop block is fixedly connected to the top of the cavity, a lifting structure is arranged on the top of the storage box, a vibration reduction structure is arranged on the surface of a bottom plate, and a vibration reduction structure is arranged on the bottom plate. The vibration reduction structure comprises a damper, the top of the damper is fixedly connected with a placement plate, the bottom of the top cover is provided with a pressing structure, the surface of the placement plate is movably connected with a tester body, and the surfaces of the storage box and the top cover are fixedly connected with fixed hasps. According to the tester, the lifting structure and the fixing hasp are arranged, the tester body can be conveniently stored, meanwhile, the storage box can be conveniently stored, the tester is convenient to use, the vibration reduction structure and the pressing structure are arranged, when the tester is vibrated and impacted, protection on the tester body is increased, and the tester body is prevented from being damaged due to impact.

The utility model relates to gas steaming oven technical field, and disclose a steam heat -assisting device for gas steaming oven on, gas steaming oven cover and gas steaming oven shell are provided with adjusting mechanism, adjusting mechanism is provided with the plug -in mechanism, gas steaming oven shell bottom is provided with the placement groove, the surface screw thread connection of screw rod has the moving seat, the surface rotatory connection of fixed link and long lever has the rotating plate, the surface rotatory connection of connecting rod and long lever has the rotating seat. The steam heat -assisting device for gas steaming oven on, gas steaming oven cover is driven to open or close, can avoid by human hand -held gas steaming oven cover to open or close, reduce the risk of hand scald, first pulley rotation makes second pulley rotation, simultaneously, second pulley drives rotating rod rotation, rotating rod and the rotating rod respectively drive mounting plate rotation plug -in in rectangular groove, when, can make gas steaming oven cover close, can avoid gas steaming oven cover appear to be opened at random.

The utility model relates to the technical field of storage shelf, and disclose a kind of storage shelf, setting up adjusting mechanism on supporting plate and placing plate, setting up fixed mechanism on placing plate, adjusting mechanism includes plug-in assembly and fixed assembly, plug-in assembly includes square groove, square groove is densely opened in the inside of left and right two supporting plates, and the left and right sides of placing plate are respectively fixedly connected with square plate, and the outside of left and right two square plates is provided with square slot, and the inside of front and rear two supporting plates is densely rotatably connected with fixed rod, and the surface of fixed rod is fixedly connected with rotating plate.The storage shelf, square plate is inserted in square groove, and different height articles can be placed on placing groove, rotating plate is inserted in square slot, and moving plate is driven plug-in rod to be inserted in jack groove again, and moving plate and supporting plate are fixed by screw, and the position of fixed rod can be fixed, rotating plate is removed from square slot at will, and the position of placing plate can also be fixed.

The invention relates to an indoor unit and an air conditioner, and relates to the technical field of air conditioners. According to the indoor unit, a shell comprises a first air opening and a second air opening; the fixed volute comprises a first air duct outlet and a second air duct outlet; the first filtering assembly can cover or avoid the first air opening; the second filtering assembly divides the second air opening into an air outlet and an air return opening. The switching assembly can open and close the first air duct outlet, the second air duct outlet, the air return port and the air outlet; in the first air outlet state, the switching assembly opens the first air duct outlet, closes the second air duct outlet, opens the air return opening and closes the air outlet, and the first filtering assembly avoids the first air opening; in the second air outlet state, the switching assembly closes the first air duct outlet, opens the second air duct outlet, closes the air return opening and opens the air outlet, and the first filtering assembly covers the first air opening. According to the technical scheme, the problem that a filtering structure of an existing two-way air outlet air conditioner is difficult to adapt to the airflow direction requirement can be solved.

This utility model discloses a pressure-reverse thrust shrinking plate and a cutting and grinding device, relating to the fields of grinding wheels, cutting machine pressure plates, etc. It includes an annular upper cover plate and a lower cover plate. The top of the lower cover plate has a snap-fit ​​groove adapted to the outer diameter of the upper cover plate. A sleeve coaxially arranged with the lower cover plate is fixed in the snap-fit ​​groove. The upper cover plate is fitted onto the sleeve and can rotate relative to it. Multiple sets of lower placement grooves are evenly arranged circumferentially within the snap-fit ​​groove, and corresponding upper placement grooves are arranged on the upper cover plate. The upper and lower placement grooves have the same structure and are centrally symmetrical, each including a placement part, a ramp part, and a blocking part. Rolling parts are placed between the upper and lower placement grooves and arranged in a circumferential array. A dustproof sealing ring can be provided on the outer edge between the upper and lower cover plates. When the cutting and grinding device of this application is working, the rolling parts are guided by the ramp part to generate a reverse thrust, achieving self-locking clamping. During disassembly, the rolling parts fall back to the placement part, and the cutting blade can be smoothly released, avoiding seizing. It has the advantages of reliable clamping, convenient disassembly, labor saving, dustproof durability, and strong adaptability.

This invention discloses a method for fabricating a semiconductor structure, belonging to the field of semiconductor technology. The method includes the following steps: providing a substrate, on which a buffer oxide layer is disposed, and on which a gate structure and sidewalls are disposed, the sidewalls comprising an inner nitride layer, an intermediate oxide layer, and an outer nitride layer; a silicon-germanium epitaxial layer is disposed in the substrate between adjacent gate structures; removing the outer nitride layer; reacting the buffer oxide layer and the intermediate oxide layer with a dry etching gas to generate a solid byproduct layer in situ; and removing the solid byproduct layer using sublimation or ashing. The semiconductor structure fabrication method disclosed in this invention can improve the performance of the formed semiconductor device.

The application provides a chemical barrel cleaning device, and belongs to the technical field of chemical equipment cleaning, which comprises an ultrasonic cleaning pool and a rotating support arranged in the ultrasonic cleaning pool, both ends of the rotating support are rotatably installed on the left side wall and the right side wall of the ultrasonic cleaning pool, the rotating support comprises two oppositely arranged T-shaped turntables, the rotating shafts of the two T-shaped turntables are rotatably connected with the corresponding side walls of the ultrasonic cleaning pool, a plurality of installation grooves are uniformly formed in the circumferential direction of the disc body of the T-shaped turntable, four L-shaped limiting strips are fixedly arranged between the two installation grooves corresponding to the axial direction of the T-shaped turntable, the four L-shaped limiting strips located in the same installation groove cooperatively form a rectangular frame for radially limiting the chemical barrel, and a driving assembly is arranged on the ultrasonic cleaning pool. The application can realize automatic and continuous immersion cleaning and waste liquid discharge of the small-bore chemical barrel, reduces manual intervention, and improves the cleaning efficiency.

This invention provides a stair climber, comprising a body, supporting legs, a handrail assembly, and two foot pedals. The supporting legs are connected to the bottom of the front side of the body and can rotate and fold or unfold relative to the body. The handrail assembly is rotatably connected to the front end of the body, and an angle adjustment mechanism is provided between the handrail assembly and the body to adjust the relative angle between the handrail assembly and the body. The two foot pedals are connected to the body at left and right intervals and can slide back and forth alternately relative to the body. The stair climber also includes a secondary grip, which is detachably connected to the front end of the body. When the body is in a flat position and the user is kneeling on the two foot pedals in a prone position, the secondary grip is used for the user's hands to hold it. This invention has the advantage of multiple usage modes, thereby meeting different user needs.

The utility model discloses an adjustable seat layout scooter for the old, relates to scooter technical field, including scooter chassis and two seats, the upper surface of scooter chassis is seted up with the slide groove, the inside slide of slide groove is provided with two sliding blocks, the upper surface of two sliding blocks all is fixedly connected with support rod, the lower surface of two seats all is fixedly connected with fixed block, the inside of two fixed blocks all is seted up with cavity, the upper end of two support rods respectively penetrates the lower surface of corresponding fixed block and extends to the inside of corresponding cavity. The utility model discloses through setting slide groove, sliding block, limiting mechanism and fixed mechanism, and the seat can realize rotation and left and right movement, and the face-to-face communication of the old people is convenient, and also can be placed larger article and vacate the space, has met the use demand of the old people under different scenes, has improved the practicality and convenience of the old scooter.

The utility model relates to a low flow resistance full-bore plug valve, which comprises a valve body (1) and a valve rod (2) movably and sealingly installed in the valve body (1), a valve disc (3) is arranged in the valve body (1), the valve disc (3) is in driving connection with the valve rod (2), a valve seat (4) is arranged on the inner wall of the inlet end of the valve body (1), the bottom of the valve disc (3) is an arc-shaped sealing surface, the valve rod (2) drives the valve disc (3) to rotate, and the bottom of the valve disc (3) is in contact sealing with the valve seat (4). The utility model has the advantages that the structure of the valve body and the valve disc is improved to improve the vortex turbulent flow and reduce the fluid resistance. The valve disc blocks the medium, the impurities in the medium scour and wear the rubber layer of the valve disc, the sealing performance and the service life of the product are improved.

The utility model belongs to microscope technical field, specifically speaking is a kind of microscope of quick switching sample, including base, the base top fixed mounting has microscope body, be provided with object table on the microscope body, the object table top left side is fixedly connected with fixed plate, the fixed plate right side is provided with a plurality of even distribution's sub-stage, be provided with switching assembly between the sub-stage and fixed plate, the sub-stage inside is provided with the through-hole of through -hole, the through -hole of the sub-stage and the through -hole of object table correspond in central place, the sub-stage top front and rear are all provided with clamping piece, the clamping piece is fixedly installed in the sub-stage top by adjusting bolt and connecting block;The utility model sub-stage is convenient for moving and quickly switches position, and make the sample on the sub-stage after observation is convenient for quick switching, and avoid repeatedly to sample and take clamping and take down, and then make work efficiency higher.

The invention relates to a warehouse material recording system which comprises a base, supporting legs are arranged at the lower end of the base, a containing groove is formed in the upper end of the base, an unwinding mechanism and a winding mechanism are arranged on the rear surface of the base, and a base portion writing belt inlet and a base portion writing belt outlet are formed in the rear side wall of the containing groove. A back plate penetrates through the containing groove in a pluggable mode, the back plate is provided with a back plate portion writing belt inlet and a back plate portion writing belt outlet, and a back plate positioning mechanism enabling the back plate to be kept in an extending state is arranged between the back plate and the base. The first purpose of the invention is to provide the warehouse material recording system which is convenient for searching records when paper records are physically archived, and the problem that the existing card records are inconvenient to search and archive is solved.

The utility model relates to the technical field of air film buildings, and discloses an air circulating device for an air film building, which comprises a circulating air bellow, a filter screen plate and an activated carbon adsorption screen plate, and the top end and the bottom end of the filter screen plate and the top end and the bottom end of the activated carbon adsorption screen plate are fixedly connected with sliding blocks. The side end of the filter screen plate and the side end of the activated carbon adsorption screen plate are fixedly connected with side plates, the side end of each side plate is provided with an insertion groove, and the side end of the circulating air box is symmetrically provided with two sets of limiting assemblies used for fixing the filter screen plate and the activated carbon adsorption screen plate. The filter screen plate and the activated carbon adsorption screen plate can be fixed, at the moment, the filter screen plate and the activated carbon adsorption screen plate can be prevented from being moved out of the circulating air box due to vibration generated when the circulating air box is started, and therefore normal use of the filter screen plate and the activated carbon adsorption screen plate is prevented from being affected.

This utility model discloses a seat angle detection system, relating to the field of seat angle detection technology. The seat conveyor line includes a first conveyor line and a second conveyor line, used to transport seats from the second conveyor line to the first conveyor line. A first stopper is installed at the inlet of the first conveyor line, and a first stop switch is installed on the first conveyor line. A second stopper is installed at the inlet of the second conveyor line, and a second stop switch is installed on the second conveyor line. A first angle detection device is installed on the first conveyor line, and a second angle detection device is installed on the second conveyor line. This seat angle detection system automatically detects the seat back angle through the first and second stop switches, and prevents the seat from entering the second conveyor line and from moving out of the first conveyor line through the first and second stoppers. This eliminates the need to stop the entire seat conveyor line, greatly improving detection efficiency.

The utility model discloses punching equipment for metal product machining, and relates to the technical field of metal machining. One side of the top end of the workbench is fixedly connected with a vertical plate, one side, close to the workbench, of the vertical plate is slidably connected with a moving plate in a clamped mode, one side, away from the vertical plate, of the moving plate is fixedly connected with a mounting plate, guide rods which are symmetrically distributed are arranged at the bottom end of the mounting plate, and a pressing plate is fixedly connected between the bottom ends of the guide rods. After the punching head drills a metal plate, due to the extrusion effect of the metal plate on the punching head, the metal plate can be arranged on the outer side of the punching head in a sleeving mode, at the moment, when the punching head moves upwards, the elastic force effect of a spring is utilized for pushing a pressing plate to move downwards, and meanwhile the metal plate arranged on the outer side of the punching head in a sleeving mode is pushed to move downwards; therefore, the metal plate is stripped from the outer surface of the punching head, the metal plate is prevented from being manually taken down from the outer side of the punching head, the input of labor force is reduced, and the punching efficiency is improved.

This utility model proposes a high-performance, low-noise, silencer check valve with a simple structure and convenient valve plate replacement. It includes a valve body, an inlet channel, an outlet channel, and a fixing rod within the valve body. A valve seat is provided at the inlet channel, and a water-passing frame is provided at the outlet channel. A valve stem slides through the water-passing frame, and a valve plate is provided at the end of the valve stem. A connecting rod is provided at one end of the fixing rod, and the valve plate is located at the other end of the fixing rod. A socket channel is provided on the valve stem, and the connecting rod passes through the socket channel. An anti-detachment device is provided on the valve stem to prevent the connecting rod from detaching. A maintenance channel communicating with the outside is provided on the side of the valve body, and a sealing cover is provided on the valve body via a fixing device to seal the maintenance channel.

This utility model relates to the technical field of brushes, buffers, cups, or similar items, and discloses an electric toothbrush with anti-drop function, including a handle. A water guide shell is fixedly sleeved on the outer surface of the handle, and a toothbrush head is provided on the upper side of the water guide shell. The toothbrush head is connected to the upper end of the handle. A first rubber sleeve and a second rubber sleeve are sleeved on the outer surface of the handle. The first rubber sleeve and the second rubber sleeve have the same connection structure and are arranged symmetrically front and back. A rotating shaft is connected between the first rubber sleeve and the second rubber sleeve, and the first rubber sleeve and the second rubber sleeve are rotatably connected through the rotating shaft. A charging port is provided on the lower side of both the first rubber sleeve and the second rubber sleeve. A disassembly and assembly mechanism is provided on both the first rubber sleeve and the second rubber sleeve. In this way, the rubber sleeve can be easily and quickly disassembled and installed from the handle, so that a long time is not wasted on disassembling and assembling the rubber sleeve during cleaning, thereby improving the cleaning efficiency of the rubber sleeve.

The utility model relates to mobile payment terminal technical field, propose a kind of mobile payment terminal shell with anti-disassembly structure, including lower layer frame and upper layer frame, still include connecting block, fixed block, connecting groove, moving rod, first connecting piece, buffer spring, second connecting piece, plug-in rod, fixed column, connecting frame, auxiliary spring, moving column, ball bearing and moving piece, connecting block is installed in upper layer frame, the outside of connecting block is equipped with fixed block, the inside of fixed block is equipped with connecting groove, moving rod is arranged in the inside of lower layer frame, the additional surface of moving rod is equipped with first connecting piece, the upper surface of first connecting piece is equipped with buffer spring, the top of buffer spring is equipped with second connecting piece, moving rod is arranged in the inside of buffer spring, the outer surface of plug-in rod is arranged in moving rod. By the above technical scheme, to solve the problem that mobile payment terminal shell is easily disassembled in the prior art, causing mobile payment terminal to be lost.

The utility model relates to intelligent doorbell technical field discloses a kind of intelligent doorbell of being convenient for quickly hanging, including intelligent doorbell main body, the side of the intelligent doorbell main body is fixed with mounting block, the outside of the mounting block is movably sleeved with mounting bracket;The device is provided with hanging locking mechanism, and the hanging installation of the intelligent doorbell main body is conveniently and quickly completed, can be fixed and locked after installation, avoid the condition that doorbell loosens due to external force collision and other reasons, the intelligent doorbell main body can also be prevented from being easily taken down by others, improve the security of equipment itself;By setting the limiting mechanism, when the intelligent doorbell main body is completed hanging installation, the limiting of mounting block top when the intelligent doorbell main body is hung is conveniently completed, ensure that the structure of the intelligent doorbell main body is hung is stable, so that installation process is more efficient, and the position adjustment of assembly block is also simple, also conveniently temporarily take down the intelligent doorbell main body and charge or maintain.

The utility model relates to the field of cleaning devices, and discloses a cigarette blasting bead surface oil layer cleaning device which comprises a cleaning tank, a plurality of cleaning pipes are fixedly connected in the cleaning tank, a feeding and discharging assembly is arranged at the top of the cleaning tank, and a plurality of fixing strips are fixedly connected to the inner wall of the cleaning tank. A first inclined surface block is fixedly connected to the interior of each fixing strip, a sliding surface strip is fixedly connected to the interior of each fixing strip, a second inclined surface block is fixedly connected to the interior of each fixing strip, a filter screen is slidably connected between every two fixing strips, and a plurality of fixing assemblies are arranged in each filter screen. According to the device for cleaning the oil layer on the surface of the blast bead for the cigarette, the filter screen is firstly held and lifted upwards to unlock the filter screen, so that the effect that the filter screen can be easily detached and replaced is achieved, the problem that the filter screen can be detached only through complex operation when the filter screen needs to be replaced is solved, and the high efficiency of the device for cleaning the oil layer on the surface of the blast bead for the cigarette is improved.

The utility model relates to the field of machine tool protective covers, and discloses a machine tool thermoplastic plastic protective cover which comprises a connecting plate, one side of the connecting plate is connected with a fixing plate in a sliding mode, a protective assembly is arranged at the bottom of the connecting plate, one side of the fixing plate is fixedly connected with a plurality of fixing columns, and a fixing assembly is arranged in each fixing column. And each fixing assembly comprises a fixing pin, a limiting plate and a spring, the outer wall of each fixing pin is slidably connected to the interior of the corresponding fixing column, the inner wall of each limiting plate is fixedly connected to the outer wall of the corresponding fixing pin, and each spring is arranged in the corresponding fixing column. According to the machine tool thermoplastic plastic protective cover, the fixing pin is firstly pressed down to unlock the connecting plate, and then the machine tool is detached from the machine tool, so that the effect that the machine tool can be easily detached from the machine tool and replaced is achieved, the problem that the machine tool can be detached from the machine tool only through complex operation is solved, and the high efficiency of the machine tool thermoplastic plastic protective cover is improved.

The utility model discloses a meat mincer for beef ball processing, and relates to the technical field of beef ball processing equipment, the meat mincer comprises a cabinet, a base and a meat mincing cylinder, the meat mincing cylinder is located in the base, the outer surface of a slide rail is in sliding contact with the inner wall of a slide way, the inner wall of the meat mincing cylinder is rotatably connected with an auger, and the auger is connected with a motor. The meat mincing device is reasonable in design structure, supporting force is provided for the meat mincing cylinder through the slide way and the slide rail by means of matching among the slide way, the slide rail and the front gland, the stability of the meat mincing cylinder is kept, the meat mincing cylinder is limited in the machine base through the front gland, the meat mincing cylinder is prevented from being damaged, and the meat mincing device is convenient to use. The meat mincing cylinder is prevented from being moved out of the machine base, the disassembled meat mincing cylinder, the auger and the cross-shaped knife are taken out of the meat mincer to be cleaned, convenience of cleaning of the meat mincing cylinder, the auger and the cross-shaped knife is achieved, and the problem that the meat mincing cylinder, the auger and the cross-shaped knife are inconvenient to clean is solved.