170results about How to "Achieve push" patented technology

The invention relates to a drilling machine, and particularly relates to a wood block drilling machine for a wooden toy. The wood block drilling machine for the wooden toy can efficiently drill holesand can automatically push and fix wood blocks. The wood block drilling machine for the wooden toy comprises a workbench, a drilling mechanism, a feeding mechanism and a pressing material returning mechanism, wherein a motor is arranged at the top of the workbench; the drilling mechanism is arranged on the workbench; the feeding mechanism is arranged on the workbench; and the pressing material returning mechanism is arranged on the workbench. According to the wood block drilling machine for the wooden toy, the holes are drilled in the wood blocks through the drilling mechanism, then the wood blocks are pushed leftwards and fixed under the cooperation of the feeding mechanism and the pressing material returning mechanism, and therefore the holes can be stably and rapidly drilled in the woodblocks; and the wood blocks are placed between the workbench and a limiting block, and therefore a second pushing block can automatically push the wood blocks forwards under the action of a fifth spring, and convenience is provided for people.

The invention discloses a double-impeller indoor air heating and humidifying device which comprises water wheel paddles, a rotating shaft, an axial flow impeller, a heat preservation box body, a diffusion cotton strip and a mixing chamber. The bottom side of the heat preservation box body is connected with an air inlet mouth, and the inner portion of the air inlet mouth is arranged as an air inputmouth; the part, on the inner side of the air inlet mouth, of the heat preservation box body is internally provided with a filtering net, one side of the filtering net communicates with the air inputmouth, and the other side of the filtering net communicates with an air guide mouth; and the part, on the other side of the air guide mouth, of the heat preservation box body is internally provided with the axial flow impeller, the axial flow impeller is installed on the rotating shaft, a hot air mouth is arranged above the axial flow impeller, and the hot air mouth communicates with the mixing chamber inside the upper end of the heat preservation box body. According to the double-impeller indoor air heating and humidifying device, the heating effect is good and the air is filtered and purified; the hot air, water mist and freshening agent are evenly sprayed out by air distributing holes after being thoroughly mixed inside the mixing chamber, and the adjustment for the temperature, humidity and smell of the indoor air is facilitated; and the double-impeller indoor air heating and humidifying device is suitable for household use.

A fluid fast connector comprises an outer shell, an inner shell, a connecting sleeve and a movable sleeve, wherein the inner shell and the connecting sleeve are fixed in the outer shell, the movable sleeve is arranged between the head part of the inner shell and the tail part of the connecting sleeve in a sliding manner, the middle part of the connecting sleeve is concavely provided with a connecting ring, an air cavity is formed between the connecting ring and the outer side of the head part of the movable sleeve, the head part of the outer shell is provided with an air inlet, the outer wall of the inner shell is provided with an air inlet passage for communicating the air inlet with the air cavity, a valve cavity is arranged in the connecting sleeve, a valve core is arranged in the valve cavity, the tail part of the valve core is concavely provided with a supporting ring, a fluid passage is formed on the supporting ring, the side wall of the tail part of the inner shell is provided with a plurality of ball clamping holes for allowing balls to be clamped, the tail part of the inner shell is provided with a sliding sleeve in a sliding manner, and a pressure ring is arranged at a position, corresponding to the ball clamping holes, on the inner wall of the sliding sleeve. The fluid fast connector has the beneficial effects that the supporting ring is arranged at the tail part of the valve core for preventing the valve core from deflecting, the sealing performance is good, seepage is avoided, and the product performance is improved; during connection, butting is convenient, disconnection is labor-saving, and the use is extremely convenient.

The invention discloses a mobile base for a robot, and relates to the technical field of robot tools. The upper end of a seat body is provided with a bearing mounting plate. The rear side of the seatbody is provided with pushing wheel bodies. The front side of the seat body is provided with steering wheel bodies. The upper end of the steering wheel bodies is connected with the rotating shaft of asteering motor. The steering motor is arranged in the seat body. A buffering spring is arranged at the front end of the seat body. The front end of the buffer spring is provided with an anti-collision rubber block. A groove is arranged at the inner front side of the anti-collision rubber block. A detection sensor is arranged in the groove. A plurality of guide grooves are arranged in the middle of the lower side of the seat body. A reset spring is arranged at the inner upper end of the guide groove. The lower end of the reset spring is connected with the supporting rod of a auxiliary wheel. The supporting rod of the auxiliary wheels penetrates through the guide groove; According to the invention, the pushing and steering can be realized when using the base, and meanwhile, auxiliary walking is realized through the auxiliary wheels. The anti-collision can be realized during walking, and the safety is improved and the efficiency is high.

The invention discloses an annular multiple node type welding device based on electromechanical control and a use method thereof, and belongs to the electromechanical welding technology field. The annular multiple node type welding device based on the electromechanical control comprises an operation table, wherein a workpiece sleeving hole is formed in the middle of the front end of the operationtable. The annular multiple node type welding device based on the electromechanical control and the use method thereof clamp and fix the workpiece to be welded through a pair of workpiece limiting mechanisms, then drive an annular electric welding mechanism at the bottom end of the round operation table to press down until the position, to be welded, on the workpiece, through an electric sliding rail, can weld the welding position through the annular electric welding mechanism, can weld welding points on an annular part of the workpiece due to the fact that the annular electric welding mechanism can move along with an annular electric guide rail installed at the bottom end of the round operation table in an embedded mode to move, effectively improves electric welding flexibility and efficiency, and effectively improves operation automation of the whole welding device through electromechanical cooperation of an electric pushing rod, an electric telescopic rod, the electric sliding railand the like.

The invention belongs to the technical field of equipment for raising livestock and discloses a feed trough for raising cattle. The feed trough comprises a storage bin and a feeding trough, wherein a discharging hole is formed in the bottom part of the storage bin; the storage bin is rotationally connected with a laying-off disc; a storage trough is formed in the laying-off disc; a laying-off hole is formed in one side of the storage trough; an installing cavity is arranged on the laying-off disc, a pushing rod is connected in the installing cavity in a sliding manner, and a spring is arranged between the pushing rod and the installing cavity; the installing cavity is internally provided with a power supply and an installing block, the installing block is connected with an electromagnet in a sliding manner, the electromagnet is connected with a conducting strip which comprises a conducting part and an insulating part, and the power supply is provided with a conducting needle contacted with the insulating part; the pushing rod is provided with a magnet, and an iron plate is hinged to the laying-off disc; and magnetic needles are arranged at the bottom part of the laying-off disc. The feed trough disclosed by the invention solves the problems that polluted feed is remained in the feeding trough which is communicated with the storage bin so as to probably pollute the feed in the storage bin, so that and diseases are easily induced after next feeding of calves in the prior art.

The invention discloses a dry pressing method and device for ceramic part forming, and relates to the field of ceramic dry pressing forming. The dry pressing equipment comprises a supporting base, anoscillating assembly, bottom supports, an upper mold, a lower mold, supporting legs, a demolding assembly and a pressurizing assembly; the supporting legs are installed at the four corners of the bottom side of the supporting base correspondingly, and the lower mold is installed on the top side of the supporting base; and the pressurizing assembly is installed on the supporting frame, the upper mold is installed at the bottom end of the pressurizing assembly, the bottom supports are arranged on the periphery of the lower mold, and the oscillating assembly is installed on the top sides of the bottom supports. In the filling process, material powder for manufacturing ceramic blanks is added into the lower mold, and during filling, a swing motor works to drive a swing rod to rotate, a fixed rod can be pushed and pressed, after the oscillating rod is separated from one end of the fixed rod, the oscillating rod vibrates and flatly spreads the powder in the lower mold under the stretching action of a reset spring and the knocking contact of a knocking rod and the lower mold, so that the compactness of the powder is improved, the uniform spreading of the powder can be guaranteed, and thepowder can be extruded more smoothly.

The invention discloses a chemical eluting device for soil repair. The device comprises a bottom plate. Supporting legs are fixedly connected to two sides of the top of the bottom plate, the top endsof the two supporting legs are fixedly connected to fixed plates, the top of the bottom plate is fixedly connected to a box body, a transverse plate is fixedly connected to the front face of the fixedplate, the bottom of the transverse plate is slidably connected to a rack, a motor is fixedly connected to the bottom of one side of the front face of the fixed plate through a connecting block, a double-groove belt wheel is fixedly connected to one end of the output shaft of the motor, and the outer surface of the double-groove belt wheel is in transmission connection to a first belt wheel through a belt. The invention relates to the technical field of soil repair. According to the chemical eluting device for soil repair, left and right reciprocating motions of a nozzle are achieved, and meanwhile, soil can be overturned through a rotating part, so that an elution and soil are mixed more fully in the chemical eluting process of soil repair, pollutants in the soil can be separated by an eluting liquid to a greater extent, and soil is repaired fully.

The invention relates to a machining device with a waste scrap extrusion function. The machining device comprises a material supply part, a feeding device, a pressing device and a falling part. The material supply part comprises a conveying track and a falling segment arranged at the tail end of the conveying track. The feeding device comprises a rotation device, a material arm with one end fixed to the rotation device, a material clamping device fixed to the end portion of the material arm, and a material supporting device a rotationally arranged at the bottom of the material clamping device. The pressing device is arranged on the machining device. The falling part comprises a stop lever, a material box arranged below the front end of the stop lever, and a material receiving frame arranged in the material box. The machining device further comprises a waste scrap absorbing device arranged on the rotation device. The waste scrap absorbing device comprises an electromagnetic adsorption head and a power-off sheet. The machining device further comprises a waste scrap compression and collection device. The waste scrap compression and collection device comprises a waste scrap box and a pushing and pressing device extruding waste scraps in the waste scrap box under the action of the material receiving frame. The machining device solves the problems that according to a machining device, automatic feeding and discharging cannot be achieved, the machining waste scraps are hard to collect, the collected waste scraps are troublesome in treatment, and extrusion power needs to be additionally arranged.

The invention discloses a full-automatic plastic bag arranging and binding system, and belongs to the technical field of packing bag binding. The full-automatic plastic bag arranging and binding system comprises a main body frame, a material groove mechanism, a towing fork material blocking mechanism, a clamping mechanism, a transferring mechanism, a material pushing mechanism, a binding machine and an electric control cabinet, and the material groove mechanism, the towing fork material blocking mechanism, the clamping mechanism, the transferring mechanism, the material pushing mechanism, thebinding machine and the electric control cabinet are arranged on the main body frame. According to the full-automatic plastic bag arranging and binding system, a sliding groove, a swinging air cylinder, a first transmission shaft, a material blocking sliding block and a material blocking plate cooperate with one another so that the length of a material groove plate can be changed to adapt to binding of plastic bags with different lengths; the first transmission shaft, a positioning sliding block and a separation plate cooperate with one another so that the width of the material groove plate can be changed to adapt to binding of plastic bags with different widths; and by means of the full-automatic plastic bag arranging and binding system, continuous falling of the plastic bags can be realized, in the binding process, a bag making machine does not need to pause to wait for binding of the plastic bags, and the movement of a clamping jaw air cylinder in any direction can be further realized so that the plastic bags in different directions can be conveniently clamped.

The invention relates to grinding equipment, in particular to sanding and grinding equipment for a steel basin. The sanding and grinding equipment for the steel basin can blow away chippings generatedin the grinding process, can achieve automatic discharging and is easy to operate. The sanding and grinding device for the steel basin comprises a bottom plate a grinding mechanism, a rotating mechanism is arranged on the bottom plate; and the grinding mechanism is placed on the rotating mechanism. The steel basin is placed through the rotating mechanism, and then the steel basin is ground through cooperation of the grinding mechanism; through cooperation of a moving mechanism and the grinding mechanism, the steel basin is automatically ground, and therefore manual grinding is not needed; andthrough cooperation of the grinding mechanism and a pushing mechanism, when a handle makes contact with a rotating plate, a pressing rod drives a rotating disc to move downwards, and therefore peoplecan conveniently take up the ground steel basin.

The invention relates to the technical field of polishing and grinding, in particular to a grinding device. The grinding device includes a dust absorption part, a conveying belt and a grinding part. The grinding part is used for intercepting metal parts. The dust absorption part includes a storing cavity, a dust absorption tube and an upper grinding structure. The dust absorption tube is internally provided with a piston, a reset spring, and a piston rod. The end of the piston rod is fixedly connected with a pushing block. The surface, close to the conveying belt, of the dust absorption tube is provided with a dust absorption pipe and a dust discharging pipe. The dust absorption pipe is used for conducting cleaning on grinding scraps on the conveying belt. The upper grinding structure includes a pushing rod, a lengthening rod, a sliding rod and a grinding brush which are connected with one another in sequence in a hinged mode. The pushing rod is tiltly arranged towards the direction ofa fixing plate. The end of the pushing rod is connected with a pushing block in a hinging mode. The hinging position of the pushing rod and the lengthening rod is located in a strip-shaped sliding groove and is connected with the groove wall of the strip-shaped sliding groove in a sliding mode. The sliding rod is connected into a sliding rod groove in a sliding mode. The end of the sliding rod penetrates out of the dust absorption part and is fixedly connected with a grinding brush. The dust absorption part is provided with an inserting hole. The grinding device can conduct two-sided grindingon the metal parts and can increase the efficiency of polishing and grinding.

The invention discloses a building pavement kerb accurate laying device capable of avoiding dislocation. The laying device comprises a laying device body, a feeding port, a protective cover, a door plate, a handrail, a control box, a contact and a control cabinet. A feeding opening is formed in the top of the laying device body; a protective cover is arranged on one side of the feeding opening; adoor plate is arranged on the front side of the laying device body; a kerb containing cover is welded to the bottom of the laying device body, a guide hopper is welded to the lower end of one side ofthe kerb containing cover, a conveying belt is arranged on the front side of the pushing mechanism, a discharging mechanism is arranged in the side, away from the interior of the pushing mechanism, ofthe conveying belt, and a discharging plate is arranged at the output end of the discharging mechanism. According to the building pavement kerb accurate laying device capable of avoiding dislocation,kerbs can be hoisted into the laying device body, the kerbs can be accurately aligned with kerbs laid at road shoulders, the labor intensity of construction workers is relieved, and the laying efficiency is improved.

The invention discloses a monitoring camera. A telescopic motor is adopted to realize the telescopic adjustment of a telescopic rod, and further the height adjustment of a monitoring camera main bodyis realized according to the actual needs. The monitoring camera is convenient to use, through the clamping between a clamping groove and the top of the telescopic rod, a connecting base can be pushedconveniently, and a damping and buffering effect is achieved through a damping gasket between the top of the telescopic rod and the top of the inner wall of the clamping groove, the device damage caused by the too fast telescopic rod stretching is avoided, and an L-shaped side plate is installed through an installing bolt. An access control system is adopted to realize the safety anti-theft effect of the monitoring camera main body, the monitoring camera main body can be opened only after being unlocked by the unlocking unit, otherwise, an alarm lamp is used for prompting the related personnel to pay attention and perform timely processing. By adopting the storage cloud, the function of timely storing the video information in the monitoring camera main body is realized, and the information in the storage cloud can be accessed through the remote control center after authority verification of authority access, so that the real-time monitoring is realized.

The invention relates to the field of electric connectors, in particular to an electric connector capable of being electromagnetically unlocked and an assembly of the electric connector. The front end of the electric connector is a plug end, in an initial state, an outer-layer lock sleeve is located at the periphery of an outer-layer steel ball, the outer-layer steel ball is protruded out of the inner-layer sidewall of a housing and locked inside a groove on the outer-layer wall of a middle lock sleeve, the middle lock sleeve is locked by the outer-layer steel ball, and the inner-layer steel ball is protruded out of the inner-layer sidewall of a socket sleeve and matched with a stepped surface formed between a large-diameter section and a small-diameter section at the front part of the middle lock sleeve so as to prevent the middle lock sleeve from moving forwards; and the outer-layer lock sleeve is pushed backwards by a lock sleeve on an adapter connector when being locked with the adapter connector, so that the outer-layer steel ball is protruded to the periphery of the housing, the groove on the inner-layer wall of the middle lock sleeve is moved to the periphery of the inner-layer steel ball, the middle lock sleeve is moved forwards so as to push the inner-layer steel ball through the large-diameter section at the front part of the middle lock sleeve, and the inner-layer steel ball is protruded out of the socket sleeve and locked into the groove on the inner-layer wall of the middle lock sleeve. The problem that the existing electric connector capable of being electromagnetically unlocked cannot be reliably separated in a heavy load is solved.

The invention relates to a feeding device, in particular to a tablet chopping and feeding device for the department of pediatrics. The tablet chopping and feeding device for the pediatric department is high in chopping speed, capable of achieving automatic melting of tablets and convenient for children to suck liquid medicine. The tablet chopping and feeding device for the pediatric department comprises a bottom plate, wherein a tablet distributing mechanism is arranged on the rear side of the bottom plate; and a containing mechanism arranged on the upper front side of the bottom plate. When the first connecting rod drives the tablet dividing cutter to move downwards to make contact with tablets, the tablet dividing cutter cuts the tablets, and the tablet cutting effect of the tablet dividing cutter is achieved; through resetting of a first elastic assembly, an arc-shaped clamping plate is driven to move towards the inner side, so that the arc-shaped clamping plate clamps the medicine placing vessel, and the effect that the arc-shaped clamping plate clamps the medicine placing vessel is achieved; the second telescopic assembly is stretched to drive the pressing block to move upwards, the pressing block is far away from the pressing plate, the first telescopic assembly resets, and therefore the pressing plate is driven to move upwards, and the effect that the pressing block pushes the pressing plate is achieved.

The invention discloses a safety plug. The safety plug comprises a shell, the inner wall of the shell is rotationally connected with a rotating shaft through a torsional spring; a turntable is fixed at the upper end of the rotating shaft; the turntable is rotatably connected with the side wall of the shell in a penetrating manner; and two symmetrical power connection columns are inserted into theupper end of the turntable, anti-falling mechanisms are arranged in the two power connection columns correspondingly, conduction columns penetrating through the turntable are fixed to the ends, closeto the rotating shaft, of the two power connection columns correspondingly, and the inner wall of the shell is rotationally connected with power-off columns abutting against the two conduction columnsthrough torsional springs correspondingly. The safety plug has the advantages that the volume change is caused by the form change of electrorheological fluid in the expansion cavity after the electrorheological fluid is electrified; a push plate and a push block are pushed, so that a clamping block is moved out of a sliding groove to form a protrusion outwards to effectively prevent the power connection columns from moving, the power connection columns cannot be separated from a socket, the plug is prevented from being separated from the socket in the power utilization process, the plug can be pulled by the outer wall to a certain extent, and a user does not need to worry about that the plug falls off easily.

The invention relates to a recycling device, in particular to an efficient straw smashing and recycling device for agriculture. According to the efficient straw smashing and recycling device for the agriculture, straw can be rapidly cut off, meanwhile, workers push the straw forwards at intervals, and the straw can be screened. The efficient straw smashing and recycling device for the agriculture comprises first fixing plates, a first fixing frame and a containing frame, the first fixing frame is connected between the inner sides of the first fixing plates, the containing frame is fixedly connected to the tops of the first fixing plates, a cutting mechanism is installed at the tops of the first fixing plates, and the cutting mechanism is in contact fit with the containing frame; and a pushing mechanism is arranged at the tops of the first fixing plates, a lifting mechanism is welded to the tops of the first fixing plates, and the lifting mechanism is matched with the pushing mechanism. According to the efficient straw smashing and recycling device, the cutting mechanism is arranged and matched with the pushing mechanism, so that the straw is pushed at intervals, and the straw can be cut off; and a screening mechanism is matched with a shaking mechanism, so that a worker does not need to manually control a filter screen to move upwards and downwards.

The invention discloses a wedge block parallel type positioning device and method. The wedge block parallel type positioning device mainly comprises a wedge block, a positioning pin, a rotating block, a rotating pin, a sliding block, a spring and the like. In the positioning process, the wedge block drives the sliding block to drive the rotating block to rotate around the rotating pin, and the positioning pin is inserted into a positioning hole under the effect of the rotating block; and in the resetting process, angle iron resets under the effect of the spring and a nut, an air through hole is formed inside the wedge block, and therefore rapid and pneumatic resetting of the positioning pin can be achieved. The wedge block parallel type positioning device is simple in structure and good in maintainability, the problem about rapid positioning of a heavy load machine is solved, and rapid and accurate positioning of the wedge block is achieved.

The invention relates to a device for testing a dynamic friction coefficient. The device comprises a fixed frame, a worktable, a tensile testing machine and a sample, wherein the sample comprises a fixed part and a movable part, a round drum mechanism for being wound with the fixed part is arranged on the fixed frame, a compression assembly is arranged on the round drum mechanism, a weight connected with one end of the movable part is arranged on the fixed frame, and the other end of the movable part is connected with the tensile testing machine. The device has the advantages that the round drum mechanism is wound with the fixed part in the sample, the movable part is pulled to move in the fixed part through the tensile testing machine, and the dynamic friction coefficient between the movable part and the fixed part is calculated according to an average tensile load measured in a tensile testing process, the gravity of the weight connected to one end of the movable part and the windingangle of the fixed part on the round drum mechanism, and the dynamic friction coefficient among samples can be accurately calculated; and the working intensity is low, the reliability of a sample testing result is good, and the sample testing efficiency can be increased.

The invention discloses a safety door with an automatic locking function and a using method thereof. The safety door comprises a safety door body, a cat eye box and a safety door switch, wherein the cat eye box is fixedly installed on the outer wall of the upper side of the safety door body, the safety door switch is fixedly installed on the outer side wall of the safety door body, a reinforcing plate storage groove is fixedly formed in the inner side wall of the safety door body, and the inner side wall of the reinforcing plate storage groove is slidably connected with a reinforcing plate. According to the safety door with the automatic locking function and the using method thereof, through the cooperation of the reinforcing plate, a first air bag, a locking block storage box, a convex locking block, an ejector pin, a third air bag, a breakdown mechanism and a buckle mechanism, the door body damping function when no thief exists and the reinforcing protection function when the thief damages the door body are achieved; and in addition, the door body is reinforced, meanwhile, the convex locking block is pushed through the extrusion effect of the reinforcing plate on air in a first air bag storage groove, so that the third air bag is punctured, and the automatic standby locking function of the door body is achieved.

The invention provides a pipe cutting device for machining, and belongs to the technical field of machining. The pipe cutting device comprises a bottom box, a cutting assembly arranged on the upper part of the bottom box, a material pushing assembly arranged on one side of the cutting assembly, and a driving assembly arranged inside the bottom box and used for driving the material pushing assemblyto move towards the cutting assembly. In an embodiment of the invention, a to-be-cut pipe is placed on the upper part of the bottom box, and a movable plate is driven to move downwards by virtue of the operation of the driving assembly so as to drive a second motor, a rotating shaft and a cutting wheel to move downwards; the cutting wheel is utilized to cut the pipe; after the first cutting of the pipe, the driving assembly is utilized to drive the material pushing assembly to move towards the cutting assembly so as to push the pipe for the next cutting; and the continuous cutting of the pipecan be realized by reciprocation. The pipe cutting device for machining has the advantages of high cutting efficiency and high automation degree.

The invention discloses a boiler flue gas waste heat recovery device and a recovery method, and belongs to the technical field of flue gas waste heat recovery. The boiler flue gas waste heat recoverydevice comprises a device shell, a heat exchange pipe is arranged in the device shell, and the upper end of the heat exchange pipe is fixedly connected with a gas inlet pipe. In the process of carrying out waste heat recovery on flue gas, main clearing balls and auxiliary clearing balls are pushed by flue gas flow, so that the main clearing balls and the auxiliary clearing balls cyclically and constantly roll in the heat exchange pipe in turns, the inner wall of the heat exchange pipe is constantly cleaned synchronously in the waste heat recovery process, and flue gas particulate matter attached to the inner wall of the heat exchange pipe is cleared away; and in the process that the main clearing balls and the auxiliary clearing balls complete clearing of one time on the heat exchange pipeand return to the gas inlet end of the heat exchange pipe, the processes of self cleaning, dewatering, drying and the like are sequentially achieved, then the main clearing balls and the auxiliary clearing balls enter the heat exchange pipe again to clean the heat exchange pipe, and therefore the clearing effect to the heat exchange pipe is further guaranteed.

The invention relates to the technical field of polishing and grinding, in particular to a hardware machining method. The hardware machining method includes the steps of step 1, preparing of a grinding device; step 2, grinding for the lower surface; step 3, grinding for the upper surface; and step 4, once more transmitting. According to the hardware machining method, metal parts can be grinded onthe two surfaces, and the efficiency of the polishing and the grinding can be improved.

The invention relates to a punching device, in particular to an accurate punching device for high-end manufacturing of a mobile phone rear cover. According to the precise punching device for the high-end manufactured mobile phone rear covers, the mobile phone rear covers can be rapidly punched, meanwhile, the different mobile phone rear covers can be clamped at intervals, and the mobile phone rear covers can be pushed forwards at intervals. The accurate punching device for high-end manufacturing of the mobile phone rear cover comprises a first fixing plate, a second fixing plate and a discharging plate, the second fixing plate is arranged in the middle of the top of the first fixing plate, the discharging plate is arranged at the end of the second fixing plate, a pushing mechanism is arranged at the top of the first fixing plate, a clamping mechanism is arranged on the second fixing plate in a sliding mode, the pushing mechanism is matched with the clamping mechanism, and a punching mechanism is installed at the top of the first fixing plate. According to the device, the pushing mechanism is arranged, the pushing mechanism is matched with the clamping mechanism, the mobile phone rear cover can be pushed to the front side and clamped, and the punching mechanism is matched with the clamping mechanism, so that the mobile phone rear cover can be punched.

The invention relates to a boiler residue recovery system of an energy-saving boiler system. The boiler residue recovery system of the energy-saving boiler system comprises a bottom frame, a material stacking box, a boiler residue pushing device, a boiler residue cooling device and a boiler residue screening and collection device, wherein four supporting columns are symmetrically arranged at the lower end of the bottom frame; the right side of the material stacking box is provided with a material pushing port, and the material stacking box is installed at the middle part of the upper end surface of the bottom frame; the boiler residue pushing device is connected with the left side of the material stacking box; the residue cooling device is located on the right side of the bottom frame and is connected with the material pushing port in the material stacking box; the boiler residue screening and collection device is placed right below the tail end of the residue cooling device. The boiler residue recovery system of the energy-saving boiler system can realize boiler residue pushing, cooling, screening and collection functions, and has the advantages that the structure is simple, the working efficiency is high, the environment is protected, boiler residue is recovered and utilized, etc.

The invention provides an anti-blocking push rod device, a working method and a vending machine in the field of vending machines. The device comprises a push rod and a detection module, the push rod matches a kinematic pair and a driving mechanism; the push rod is driven by the driving mechanism to do reciprocating motion along the kinematic pair; the detection module is used for detecting whethergoods exist at a goods outlet of the vending machine or not and for sending data to a controller, the controller judges whether the goods normally fall off or not according to the detection result and controls push rod to stop or move. The corresponding detection device is arranged at the position of the goods outlet, the push rod is arranged in the gap in front of the material channel of the vending machine, and when it is judged that the goods are stuck in the goods outlet process, the push rod moves downwards to push the goods to fall down, so that the goods fall into the goods outlet, troubleshooting is completed, and troubleshooting efficiency when the goods are stuck is improved.

The invention discloses a hydraulic jig capable of rapidly switching clamping surfaces. The hydraulic jig comprises a base, a hydraulic pump arranged on the base, a hydraulic cylinder connected with the hydraulic pump, and a piston rod connected with a piston in the hydraulic cylinder. A vertical baffle is fixed to one end of the base. A sliding groove is formed in the upper surface of the base. A sliding block is placed in the sliding groove. A vertical rotating shaft is arranged on the sliding block and fixedly connected with a clamping plate. One surface of the clamping plate is a flat surface and the other surface of the clamping plate is a curved surface. According to the hydraulic jig capable of rapidly switching the clamping surfaces, the problem that a single jig cannot tightly clamp flat surfaces and curved surfaces at the same time in the prior art is solved, and the purpose of stabilizing a flat-surface workpiece or a curved-surface workpiece through the same jig is achieved.