46results about How to "Solve the displacement" patented technology

The utility model discloses a loudspeaker production glue dispenser with a positioning structure, which comprises a base, a sliding frame, a moving arm, a glue dispensing device, a sliding plate and a placing table, the sliding frame is fixedly connected to the rear side of the top of the base, the moving arm is movably connected to the top of the sliding frame, the glue dispensing device is fixedly connected to the front surface of the moving arm, and the placing table is fixedly connected to the front surface of the moving arm. The sliding plate is fixedly connected to the top of the base, the placing table is movably connected to the top of the sliding plate, the two sides of the placing table are fixedly connected with fixing plates, and the two sides of the top of the sliding plate are provided with positioning plates. By arranging the positioning plate, the positioning plate can position a workpiece on the placing table, so that the problems that a positioning assembly is not arranged in the using process, the workpiece does not displace or shake in the dispensing process, the deviation of the dispensing position is influenced, the quality of the workpiece after dispensing is reduced, and the working efficiency is improved are solved. And certain limitation exists.

The utility model discloses an engine water pump belt pulley press fitting device which comprises a base, a supporting plate, floating devices and a distance measuring sensor, a vertical pump shaft can be supported in the middle of the base, the supporting plate can float up and down on the base through the floating devices arranged in a matrix mode, the supporting plate is used for positioning a pump shell, and the distance measuring sensor is fixed on the base. The distance measuring sensor is used for determining whether the supporting plate moves to a stop position; according to the utility model, a fixed reference surface in a traditional scheme is changed into a floating reference surface, and a movable supporting mechanism is changed into a fixed supporting mechanism; the floating reference surface is adopted, the actual position of the measurement reference is used as the relative reference of the servo system, and the press-fitting size of a product is directly used as a press-fitting increment displacement value by the press-fitting machine control system, so that the mounting size is ensured, and the problem of damage to a bearing is eliminated.

The invention discloses a liquid crystal substrate glass kiln electrode brick mounting device and a mounting method, and belongs to the technical field of glass kiln electrode brick mounting equipment. By integrating the base, the transmission table and the guide mechanism, accurate and efficient installation of the electrode bricks is achieved, powerful guarantee is provided for the construction quality of the kiln, a fixed pulley and a ratchet wheel are used in cooperation, so that a traction rope can stably transmit force, and lifting control over the transmission table is achieved; due to the design of a guide wheel and a connecting arm, the conveying table can be always kept in a horizontal state in the lifting process, and the installation quality problem and safety caused by inclination or shaking of the electrode bricks are avoided; the guide mechanism ensures the stability and the accuracy of the conveying table in the lifting process; the whole device can be easily moved to a designated working position through the arrangement of the trundles, the installation convenience is improved, the electrode bricks can be stably and continuously conveyed through the arrangement of the conveying table, and the electrode brick installation efficiency is improved.

The application discloses a kind of all-around intelligent flexible ultrasonic transducer detection device and method, belong to medical ultrasonic detection technical field, the present application is by upper protective layer, metal shielding layer, insulating filler layer, upper layer printing electrode, piezoelectric layer, lower layer printing electrode, lower protective layer composition, wherein piezoelectric layer is by many piezoelectric array element composition radial multilayer ring belt, printing electrode layer is flexible electrode with "spider web structure" and "island-bridge" structure, metal shielding layer is added between protective layer and insulating layer absorption and reflection external electromagnetic wave;Annular positive pole is always connected with ultrasonic acquisition card channel, only need to make negative pole channel alternate connection, different angle radial array element can be made to work simultaneously, can be automatically attached skin, with flexibility and stretch performance, simultaneously using "ring-diameter" addressing flexible circuit design and addressing mode, less occupied ultrasonic acquisition card channel, and can realize automatic multiple position and multiple angle all-around ultrasonic detection.

The utility model discloses an anisotropic conductive film pasting machine, including ACF pasting machine body, the outer wall fixed connection of ACF pasting machine body has workstation, the top fixed connection of workstation has back type support spare, the top fixed connection of back type support spare has the guide plate, the top of guide plate is equipped with two T type long grooves, and the inner wall of two T type long grooves all are connected with T type block slidingly. The utility model discloses a plurality of connecting rod pressing mechanism of electric push rod drive, and the stable fixing of substrate is realized through the synchronous down pressure of four rubber sleeves, effectively prevents the displacement problem in the process of pasting, and significantly improves the pasting accuracy, and T type long groove and T type block sliding structure cooperation movable pasting board, realize the quick adjustment of substrate position, satisfy the technological demand of different pasting position, adopt the cooperation of sliding slot type L type board with adjustable nut, make two L type boards can be according to different size substrate flexible adjustment fixed position, and the equipment adaptability is improved greatly.

The utility model discloses a connecting component for connecting aluminum alloy primary and secondary beam keels, which comprises a primary keel, the outer wall of the connecting mechanism is in sliding connection with the inner wall of the main keel through a sliding groove, and the sliding groove is formed in the wall of the main keel; the inner wall of the secondary keel is in sliding connection with the outer wall of the connecting mechanism; the outer wall of the supporting mechanism is fixedly connected with the outer wall of the connecting mechanism. According to the aluminum alloy main and secondary beam keel, the connecting mechanism is arranged, the sliding block is used for driving the connecting block to slide into the main keel, then the connecting block is fixed to the main keel through the locking mechanism, the locking bolt is screwed into the connecting block, and the supporting mechanism is fixed to the connecting block through the locking mechanism; the connecting blocks abut against the main keels, so that the positions of the connecting blocks are fixed, then the auxiliary keels are arranged on the connecting blocks in a sleeving mode, the auxiliary keels and the connecting blocks are fixed through screws, and the purpose of the aluminum alloy main and auxiliary beam keel connecting component is achieved.

The application relates to the technical field of carrier vehicles, in particular to a portal frame carrier, which comprises a tracked vehicle body, a support lifting platform, a heavy oil cylinder, an alloy baffle, a lateral moving platform, a top beam limiting assembly and a double-side stabilizing assembly, the heavy oil cylinder is installed in the inside of the tracked vehicle body, the output end of the heavy oil cylinder is fixedly connected with the bottom surface of the support lifting platform, the support lifting platform is slidingly connected to the inside of the tracked vehicle body, the alloy baffle is fixedly connected to the bottom of the support lifting platform, and the lateral moving platform is movably connected to the two sides of the bottom of the support lifting platform. The portal frame carrier of the application realizes six-degree-of-freedom omnibearing constraint on the portal frame, effectively limits the movement and rotation of the portal frame in each direction during transportation, and under the joint action of linear constraints in three directions, the pitching, yawing and rolling of the portal frame are naturally limited, so that the damage risk of the portal frame itself is reduced, and the equipment versatility is improved.

The utility model relates to environmental monitoring equipment technical field especially relates to a groundwater sampling device for environmental monitoring. Including bottom disc, bottom disc is equipped with one, and the middle hole is set up on the bottom disc, to make sampling pump and water suction pipe through the middle hole and extend into the well, rotationally set up the turntable on the bottom disc, four arc grooves are set up on the turntable along the circumference, the moving rod that is consistent with the number and the layout of arc groove is also slidably provided on the bottom disc along the circumference, and the end of moving rod is provided with the embedded end that is embedded in adjacent arc groove. The utility model discloses through setting up moving rod and the structure of the stopper, can effectively limit the water suction pipe and sampling pump in the shaking of the falling process, avoid its and the well wall and lead to the soil falling off to collide or rub, thereby significantly reduce the risk of water sample being contaminated, help to keep the stability of sampling equipment operation, ensure the accuracy of sampling position, improve sampling accuracy and reliability.

This utility model relates to the field of machining equipment technology, specifically to a bar stock rough grinding device, comprising a base 1, a base 2, an electric slide 1, an electric slide 2, a grinding wheel spindle, a grinding wheel, and a clamping assembly. Base 1 is located on the left side of base 2. Electric slide 1 and electric slide 2 are respectively mounted on base 1. The grinding wheel spindle is mounted on electric slide 2. The grinding wheel drive assembly is located behind the grinding wheel spindle and is connected to the grinding wheel spindle via a transmission mechanism. The output shaft of the grinding wheel spindle is connected to the grinding wheel. The clamping assembly for holding the bar stock is fixedly mounted on base 2. Through the cooperation of a synchronous follower bracket and sliding frame, etc., it provides stable support for the bar stock combining dynamic and static elements, significantly improving the stability of the bar stock during high-speed grinding. It solves the problem of workpiece displacement caused by vibration or impact in traditional equipment, ensuring machining accuracy and surface quality.

The invention discloses a numerical control lathe workpiece positioning method, device and system based on magnetization characteristics, and the method comprises the steps: carrying out the pre-scanning of the surface of a to-be-transferred workpiece on a station, obtaining the magnetic field intensity distribution data, and obtaining an optimal clamping point; processing the magnetic field intensity distribution data to obtain workpiece surface unstable area distribution data; carrying out magnetic moment analysis to obtain an optimal placement angle; selecting a three-point supporting placement scheme based on the optimal placement angle; and performing mechanical simulation analysis to obtain a judgment result of the stable state of the workpiece. According to the technical scheme, active pre-judgment and control over the magnetization state in the placing process are achieved through accurate recognition and analysis of the magnetization characteristics of the surface of the workpiece, the problem that the workpiece displaces on the measuring platform due to the magnetization effect is effectively solved, and the measuring precision is guaranteed.

The invention relates to a movable supporting structure suitable for high temperature. The movable supporting structure comprises a high-temperature medium container, a high-temperature pipeline, a movable support component, a limiting component, a universal ball and a fixing plate. High-level liquid enters the high-temperature medium container through the high-temperature pipeline; the movable support component comprises a movable support upper supporting plate, a stand column and a movable support lower supporting plate, the stand column is located between the movable support upper supporting plate and the movable support lower supporting plate, and the high-temperature medium container is located on the movable support upper supporting plate on the movable support component. The number of the universal balls is four, each universal ball comprises an upper universal ball and a lower universal ball, the lower supporting plate of the movable support is located between the upper universal ball and the lower universal ball, and the limiting component limits the moving position of the lower supporting plate of the movable support. And the limiting component and the lower universal ball are fixed on the fixing plate. The problems of displacement and supporting caused by thermal expansion of a supported part due to high medium temperature in high-temperature medium conveying are solved, and installation in a cold state and movement and supporting in a high-temperature state are ensured.

The utility model discloses an aluminum alloy combined stand-column-free grating system which comprises a concrete main body structure and a pre-buried galvanized steel part pre-buried in the concrete main body structure, a fluorocarbon spraying steel tube is welded to one side of the pre-buried galvanized steel part, an aluminum alloy winged grating self-locking base is installed on one side of the fluorocarbon spraying steel tube, and the aluminum alloy winged grating self-locking base is connected with the pre-buried galvanized steel part. An aluminum alloy grating unit is mounted on the aluminum alloy winged grating self-locking base; each aluminum alloy grating unit comprises an aluminum alloy grating piece and an aluminum alloy grating self-locking corner brace, and the aluminum alloy grating pieces are fixedly connected with the aluminum alloy grating self-locking corner braces. According to the utility model, the displacement problem of the grating unit in use is effectively avoided, the phenomenon that the service life is shortened due to corrosion caused by potential difference of a steel-aluminum contact surface is effectively prevented, the use of raw materials is effectively reduced, the cost is saved, the working efficiency of the grating unit in the mounting process is improved, the operation is simple and convenient, and the working difficulty of mounting workers is obviously reduced; the workload of workers is reduced, and the installation cost is effectively saved.

The utility model relates to the technical field of automobile part machining, in particular to an automobile stamping die with a cooling mechanism, which comprises a workbench, a stamping machine, an upper die, a lower die and a stabilizing mechanism, and the stabilizing mechanism comprises a moving assembly, a mounting plate, a plurality of inclined rods, a plurality of sliding blocks and a plurality of clamping plates. The moving assembly is started, the moving assembly works to drive the mounting plate to move, the mounting plate drives the multiple inclined rods to rotate, when the included angles between the multiple inclined rods and the mounting plate become smaller, the multiple inclined rods drive the multiple sliding blocks to get close to one another, and the multiple sliding blocks drive the multiple sliding blocks to move towards the sides close to the upper mold and the lower mold; the upper die and the lower die can be prevented from moving during stamping until the multiple clamping plates make contact with the lower die and clamp the upper die and the lower die, and therefore the problem that when automobile parts are stamped, vibration generated during stamping possibly causes displacement of the dies is solved.

The present invention relates to the field of crane technology, and discloses a locking device for a nacelle crane of a wind turbine generator set, comprising a frame, a truss assembly is slidably sleeved on the top of the frame, an electric hoist assembly is slidably sleeved on the middle bottom end of the truss assembly, and a locking hook is sleeved on the bottom of the electric hoist assembly. By providing a snap-in groove, the snap-in groove and the top of the limit push plate are sleeved together, so that the limit push plate can be used to limit the position between the driving wheel and the slide rail, and the limit push plate can be moved downward by the rotation of the driving wheel and the driving wheel extruding the limit push plate, so that the two sides of the limit push plate are squeezed on the opposite surfaces of the two groups of limit columns, so that the ends of the limit columns located at the outer wall of the track body are sleeved with the inner wall of the limit groove, thereby realizing the locking of the slide rail to the driving wheel, solving the problem that when the traditional equipment is hoisted and moved, the driving wheel and the slide rail are displaced because the equipment stops running but the driving wheel is affected by the inertia of the movement of the hoisted objects.

The invention relates to the technical field of photovoltaic power generation pile foundations, and discloses a photovoltaic power generation pile foundation and a construction method thereof.The photovoltaic power generation pile foundation comprises a pile foundation body, and a first connecting column and a second connecting column are arranged on the pile foundation body; and when the pile foundation body generates settlement change, the balance unit performs self-adaptive change, so that the supporting object can be supported, and the balance of the supporting object is kept. According to the invention, by adopting the movable matching between the plurality of inserting plates and the bearing frame, when one or more pile foundation bodies below the supporting object are settled, the first connecting column and the second connecting column on the pile foundation body are dragged by the connecting part of the supporting object, so that the first connecting column moves upwards, and the settlement displacement of the pile foundation body is compensated; the problems that the pile foundation possibly settles due to factors such as soil settlement, humidity change or temperature fluctuation, uneven stress distribution is generated on the periphery of the support, and then displacement and inclination of the support are caused are effectively solved.

The utility model relates to a battery lifting appliance unit and device, the lifting appliance unit comprises: a clamping assembly, the clamping assembly comprises at least two oppositely arranged clamping arms and a support member arranged on the clamping arms, the clamping arms are used for clamping a battery, and the support member is used for supporting the clamped battery; and the driving assembly is connected to the clamping assembly, the driving assembly is used for driving the clamping arms to move relative to the battery so as to clamp or release the battery, or the driving assembly is used for driving the supporting piece to move relative to the clamping arms so as to support the battery. The clamping degree is adjusted through movement of the clamping arms, and the clamping degree of the battery in the conveying process is kept; by arranging the lifting appliance device, each single battery in the battery pack is provided with one lifting appliance unit in the lifting and transferring process, so that each single battery is uniform in stress, the stacking state of the battery pack is maintained, and the lifting and transferring stability is improved.

The invention discloses a planet gear hobbing device, and relates to the technical field of machining equipment, the planet gear hobbing device comprises a workbench, a rotating seat, a rotating ring, a base, a containing hole, a first connecting hole, a positioning groove, a positioning clamping block, a central column, a heightening sleeve, a gland and a hydraulic nut, and the heightening sleeve is centered and fixedly connected through the positioning clamping block; the placing hole is matched with the center column to center and clamp the protruding part of the side face of the planet gear, annular supporting is provided, the gland and the hydraulic nut are matched with the heightening sleeve to annularly and comprehensively press the two side faces of the planet gear, limiting is conducted, displacement of the planet gear in the gear hobbing process is avoided, and the machining efficiency is improved. The planet gear hobbing device solves the problem of planet gear displacement in the planet gear hobbing process of an existing device, and the planet gear cannot displace in the hobbing process.

The utility model discloses a lighthouse hoist device, including hoist subassembly, box and support subassembly, hoist subassembly is located on the box, and the box is located on the support subassembly, hoist subassembly includes support frame, connecting frame and hoist connecting piece, and the bottom end of support frame is fixedly through the inner chamber of box, and connecting frame is fixed to the top of support frame's outer surface. Through the integration design of hoist subassembly and box, utilize the triangular support structure that L shape support frame formed with the inner wall of box, will traditional single point stress mode convert into three -dimensional face load conduction, the utility model makes the anti -overturning performance of device promotion when hoisting operation, effectively avoid the structural deformation caused by uneven force, guarantee the safety of hoisting process, the fixed mode of L shape support frame through the box and the stepped layout of connecting frame, form short path, low -loss force transmission system.

The utility model relates to the technical field of teaching aids, in particular to a wind power and hydroelectric generation integrated display device which comprises a multimedia touch screen and a placing mechanism, and the placing mechanism comprises a support, a connecting assembly, universal wheels, a fixing cylinder, a lifting assembly and an adsorption cylinder. The multimedia touch screen is used for displaying and spreading related knowledge such as wind power and hydroelectric power generation processes and principles, when the multimedia touch screen is placed, the multimedia touch screen is connected to the support through the connecting assembly, the position of the support is adjusted through the universal wheels at the bottom of the support, and after adjustment is completed, brake pads on the universal wheels are treaded down, so that the multimedia touch screen can be displayed and spread. Then the lifting assembly drives the adsorption barrel to slide out of the fixing barrel and then make contact with the ground, the adsorption barrel is adsorbed to the ground, friction force between the adsorption barrel and the ground is increased, displacement of the support on the ground when the multimedia touch screen is touched is avoided, and the problem that when the multimedia touch screen is touched, applied pressure is transmitted to the support, and the support is damaged is solved. Therefore, the problem of displacement of the support on the ground is solved.

The utility model discloses a square workpiece circular arc machining device convenient to adjust, which comprises a tool disc, a circular arc machining device, a circular arc machining device and a circular arc machining device, and is characterized in that the tool disc is used for bearing the whole device; the clamping table is used for fixing a square workpiece of which the arc needs to be machined; the clamping mechanism is used for clamping the square workpiece; the square workpiece arc machining device further comprises an auxiliary mechanism. The auxiliary mechanism comprises an auxiliary block, reset springs are evenly arranged on the outer wall of the auxiliary block, and one end of each reset spring is fixedly connected with the outer wall of the auxiliary block. The device relates to the field of arc machining, and solves the problem of workpiece displacement caused by collision during machining by arranging the auxiliary mechanism, when a workpiece is clamped, the auxiliary block is in contact with the bottom of the sliding groove and is matched with the pressure of the clamping mechanism and the pressure of the reset spring on the auxiliary block, so that the machining quality of the workpiece is ensured, and the machining efficiency is improved. And therefore, the qualified rate of machined workpieces is increased, square workpiece raw materials are saved, and the production cost is reduced.

This invention discloses a signal detector for power transmission lines, relating to the technical field of signal detectors for power transmission lines. The signal detector includes a rectangular frame, with a fixing mechanism fixed to the upper surface of the frame. The fixing mechanism includes a fixing plate, a slider, an arc-shaped plate, a limiting spring, a sleeve plate, and a threaded rod. The fixing plate is fixedly connected to the upper surface of the rectangular frame. When the device is impacted, the shock-absorbing device, in conjunction with a hinge rod, a sliding rod, a thrust spring, and a friction block, reduces the downward sliding speed of the placement plate. This prevents the components inside the detector from colliding with each other due to the different speeds of their downward movement or resetting compared to the outer casing, thus avoiding damage to the internal components. This invention solves the problem of component damage caused by inertia leading to a difference in movement speed between the internal components and the outer casing.

The utility model discloses a low-temperature SCR (Selective Catalytic Reduction) denitration catalyst cutting device which aims at solving the technical problems that in the prior art, a catalyst is supported by a conveying roller and is easy to displace during cutting, so that the cutting precision is not high, the structure of the catalyst is even possibly damaged, and the use effect is influenced. The cutting device comprises a bottom supporting plate, a plurality of longitudinal conveying rollers are evenly distributed on the top of the bottom supporting plate, rectangular lifting boxes are connected to the two ends of the interior of the bottom supporting plate in a sliding mode, and vertical clamping plates are arranged at the two ends of the interior of each rectangular lifting box. The rectangular lifting box can eject the denitration catalyst away from the surface of the longitudinal conveying roller, the problem of catalyst displacement caused by supporting of the longitudinal conveying roller is avoided, the two sides of the denitration catalyst can be clamped, it is ensured that the denitration catalyst is kept stable in the cutting process, and the cutting precision is improved.

The utility model belongs to vulcanization label technical field especially relates to a rubber tire mould in -hot vulcanization color mark of displacement not happening, including the setting of preventing adhesion layer for protecting hot melt adhesive layer in proper order, hot melt adhesive layer is used to absorb the heat of tire mould and produce viscosity, will Hot vulcanization color mark is fixed in mould initial position, prevents the displacement of vulcanization process, base film layer is as the bearing basis of each coating, vulcanization transfer coating, in the tire vulcanization process, will raw rubber pigment layer transfer to tire surface, raw rubber pigment layer is used for forming the figure and text mark on tire surface, pigment protection layer protects raw rubber pigment layer from the influence of outside environment, the utility model is fixed color mark by setting hot melt adhesive layer and the micro -fusion viscosity of absorbing mould heat, firmly avoids the displacement problem in vulcanization process from the root, avoids the tire repair degradation or scrapping caused by position deviation.

The utility model belongs to the field of constructional engineering, and particularly relates to an insulation board outer wall concrete pouring device which comprises a discharging hopper, clamping bolts are evenly arranged on the periphery of the upper portion of the discharging hopper, and a pump pipe is clamped through the clamping bolts. The lower end of the discharging hopper is downwards fixed with a three-way pipe, and handheld rods are bilaterally symmetrically fixed on the discharging hopper. According to the device, concrete pouring can be conducted on the inner side and the outer side of the heat preservation plate outer wall at the same time, the displacement problem caused by separated pouring is avoided, the procedure of repeatedly adjusting the heat preservation plate is omitted, the labor intensity of workers is relieved, the construction efficiency is improved, and the construction period is shortened.

The utility model discloses a platform door hangs the wall intelligent opening and closing construction template, especially relates to rail transit engineering technical field, including support mechanism, opening and closing mechanism and hydraulic assembly, the top of support mechanism is installed with hydraulic assembly, and the top of hydraulic assembly is installed with opening and closing mechanism, the support mechanism contains base assembly, quick release assembly and scaffold board, and the side of base assembly is installed with quick release assembly, the top of base assembly is installed with scaffold board, and the opening and closing mechanism contains screw component, sliding assembly and locking assembly, the outer diameter surface of screw component is installed with sliding assembly, and the side of sliding assembly is installed with locking assembly, and its through the synergic operation of screw component, sliding assembly and locking assembly has realized the efficient control of template opening and closing.

The invention relates to a grading seedling transplanting and supplementing machine which comprises a frame, a conveying module, a visual module, a transplanting and supplementing module and a controller. The conveying module is installed in the middle of the frame, the moving and supplementing module is installed at the upper end of the frame and located above the conveying module, and the vision module is installed on the moving and supplementing module. The conveying module, the visual module and the moving and supplementing module are all connected with the controller. The device has the advantages that hole trays with materials are placed on the conveying module, products of different grades are screened out through the vision module, and the controller controls the conveying module to convey seedling raising trays according to the sizes and characteristics of the hole trays; the moving and supplementing module grabs the waste materials to a waste soil collecting position; the transplanting and supplementing module is used for transplanting seedlings to an empty tray area, a row of trays are moved forwards by a conveying module after the trays in the seedling transplanting area are filled with grids, and the trays in the seedling transplanting area are conveyed to a seedling transplanting conveying line outside equipment by a chain after being filled with grids; the whole working process is accurate in positioning, the gripper is accurate in grabbing, and the average moving and supplementing success rate is 98%.

The embodiment of the present invention discloses an image processing method, device and electronic device. The method comprises: obtaining a key frame image containing a target object, and obtaining a frame image to be processed containing the target object; extracting feature points in the key frame image and feature points in the frame image to be processed respectively; determining the matching relationship between each feature point in the key frame image and each feature point in the frame image to be processed; determining a transformation relationship based on the feature points in the key frame image and the feature points in the frame image to be processed that have a matching relationship; processing the frame image to be processed based on the transformation relationship to obtain a target frame image.

The invention belongs to the technical field of rubber product trimming treatment, and particularly relates to a trimming device for rubber product manufacturing, which comprises a case and a mounting frame rotating through a driving mechanism, the inner wall of the bottom of the case is fixedly connected with a processing boss, the top end of the processing boss is a convex structure for placing a rubber ring, and the bottom end of the mounting frame is fixedly connected with an electric push rod. An output shaft of the electric push rod is fixedly connected with a knife rest, and a replaceable trimming knife is installed on the knife rest. According to the edge trimming device, the convex structure of the machining boss is matched with the rotary type edge trimming cutter, so that the cutter always moves along the edge track of the rubber ring, the electric push rod pushes the edge trimming cutter to gradually approach the rubber ring, and edge trimming is achieved, so that the situation that in the prior art, the cutter and the root of a hard block form instantaneous impact, and consequently tipping or damage to the rubber ring is caused is avoided.

The utility model provides an air conditioner which comprises an air conditioner indoor unit and a positioning device. The positioning device is placed on the indoor unit of the air conditioner, so that the positioning device has a preset position and a target position relative to the indoor unit of the air conditioner. The positioning device comprises an angular displacement sensor for detecting the angular displacement of the positioning device in the moving process and an acceleration sensor for detecting the acceleration of the positioning device in the moving process, so that the position of the positioning device relative to the air conditioner indoor unit is determined according to the angular displacement and the acceleration. According to the detected angular displacement and acceleration, the relative displacement of the positioning device relative to the preset position can be calculated, then the relative displacement of a user relative to the preset position can be obtained, the user can accurately control the air outlet of the air conditioner, the air outlet of the air conditioner is prevented from directly blowing the user or a child of the user, and the user experience is improved. And thus, better use experience is provided for the user.