99results about How to "Realize automatic replacement" patented technology

The invention provides a waste gas treatment device and process for light brick production, and relates to the technical field of waste gas treatment. A control panel and a buzzer alarm are mounted on the left side of the waste gas pretreatment unit, and the control panel is electrically connected with the buzzer alarm; the exhaust unit is mounted at the top end of the waste gas pretreatment unit; four groups of waste gas purification units are arranged, and the four groups of waste gas purification units are mounted in the exhaust unit; the driving unit is mounted on the right side of the waste gas pretreatment unit; the auxiliary unit is mounted on the waste gas pretreatment unit and the exhaust unit; the detection unit is mounted on the waste gas pretreatment unit; the pretreatment liquid can be selected from purified water or chemical liquid and the like, so that particulate matters or harmful gas in waste gas can be conveniently pretreated; the problems that a pretreatment structure is generally lacked, tiny particles and harmful gas in waste gas cannot be pretreated, and the subsequent purification difficulty is increased are solved.

The utility model relates to the technical field of air ducts, in particular to an air duct device stable in air guide, which comprises an air duct, mounting cavities are arranged at two ends of the air duct in a penetrating manner, and a filter screen capable of moving up and down in a reciprocating manner is arranged at an air inlet of the air duct. The air duct has the advantages that the filter screen is automatically replaced, the air duct has the advantages of being convenient to use and stable in air guide, the group exhaust fan communicated with the inner cavity of the air duct is arranged on one side of the filter screen, dust adsorbed and left on the surface of the filter screen is blown down in the mode that the group exhaust fan blows air to the back face of the filter screen reversely, and the filter screen has the filtering function for a long time; meanwhile, an air suction cover is arranged on the side, away from the group exhaust fan, of the filter screen, the group exhaust fan blows air reversely to clean the filter screen, meanwhile, a dust suction air pump is started to suck dust and impurities blown off from the filter screen at the air suction cover, and the air guide device further has the advantages of being convenient to use and stable in air guide.

The utility model provides a membrane changing device and a sampler with the same, the membrane changing device comprises a membrane pushing mechanism for driving a filter membrane to move left and right, a filter membrane lifting mechanism for driving a new filter membrane and an old filter membrane to move up and down, a sampling head lifting mechanism for driving a sampling head to move up and down and a controller, and the controller uniformly controls the operation of the mechanisms. According to the membrane replacing device, the membrane pushing mechanism, the filter membrane lifting mechanism and the sampling head lifting mechanism are matched with one another, so that multiple filter membranes can be automatically replaced. A cam is matched with a lever structure to realize lifting of a sampling head, the structure is stable and reliable, a horizontal lead screw drives a horizontal push rod to push a filter membrane to move, a new membrane cylinder and an old membrane cylinder are arranged below a demolding mechanism, the filter membrane falls into a corresponding filter membrane barrel after being pushed to a corresponding position, and accurate positioning is not needed. The whole die changing device is compact in structure and high in reliability.

The invention discloses a device and method for automatically replacing a screen mesh of a ceramic vibrating screen, the device comprises a frame body, a screen frame taking and placing assembly, a fixing seat, two screen hoop dismounting and mounting assemblies and a mesh distribution assembly, the fixing seat is arranged in the frame body, a groove is formed in the top of the fixing seat and matched with the screen frame, the screen taking and placing assembly is used for moving and lifting the screen frame, and the screen hoop dismounting and mounting assemblies are used for fixing the screen mesh. The two screen hoop disassembling and assembling assemblies are arranged on the two sides of the fixing base correspondingly and used for disassembling a screen hoop of the screen frame and an old screen and installing the screen hoop of the screen frame, and the screen distributing assembly is used for arranging a new screen on the surface of the fixing base; through cooperation of the screen frame taking and placing assembly and the screen hoop disassembling and assembling assembly, a screen hoop and an old screen can be disassembled, a new screen is arranged, the screen is matched with the screen frame by placing the screen frame into the groove, and the screen hoop is installed and the new screen is fixed through the screen hoop disassembling and assembling assembly, so that the problem that the efficiency of replacing the screen of the vibrating screen is low can be effectively solved; the replacement process does not need manual participation, and a large amount of manual labor is saved.

The invention relates to the technical field of aluminum plate cleaning, in particular to an aluminum plate cleaning device for aluminum plate strip machining, which comprises a base and a digital display control panel, and two triangular cleaning roller assemblies which are opposite in the vertical direction and are used for simultaneously cleaning the two surfaces penetrating through an aluminum plate strip are arranged above the base; a distance adjusting assembly used for adjusting the distance between the two triangular cleaning roller assemblies is arranged between the two triangular cleaning roller assemblies. The distance adjusting assembly is provided with an overturning driving structure used for driving the two triangular cleaning roller assemblies to rotate. The triangular cleaning roller assembly comprises two triangular end plates which are distributed in parallel, cleaning roller structures are rotationally arranged among three corresponding corners of the two triangular end plates correspondingly, and the triangular cleaning roller assembly, the cleaning housing, the flushing pipeline assembly, the rotary driving assembly, the distance adjusting assembly and the like cooperate and cooperate with one another; and automatic replacement and flushing cleaning of the cleaning roller structure can be rapidly achieved, and therefore the cleaning efficiency of the aluminum plate strip is not affected.

The invention discloses a compressive property detection device for tempered glass production and a detection method, and relates to the technical field of tempered glass production, the compressive property detection device comprises a bottom plate, the middle position of the upper surface of the bottom plate is provided with a bearing table, and the bearing table is used for placing glass; the pressurizing mechanism is mounted on the upper surface of the bottom plate, vertically corresponds to the bearing table and is used for applying pressure to the glass; the electric sliding table mechanism is installed on the upper surface of the bottom plate, and the moving end of the electric sliding table mechanism moves in the length direction of the bottom plate. And the liquid coating mechanism is mounted on one side of the moving end of the electric sliding table mechanism and is used for coating the surface of the glass with a layer of non-Newtonian liquid so as to prevent the glass from being sputtered all around when the glass is broken. According to the invention, the non-Newtonian liquid is coated on the outer side of the glass, and when the glass is broken in a compression resistance test process, the liquid is rapidly converted into a high-viscosity state due to a shear thickening effect to form a temporary barrier to effectively adhere and capture high-speed flying glass fragments, so that the splashing phenomenon of the glass fragments is obviously reduced.

The invention discloses an aluminum extruder, including an extrusion frame, an extrusion hydraulic device, an extrusion die fixing seat, an extrusion cylinder seat, an extrusion die seat, an extrusion front die, an extrusion rear die, a belt conveyor, an extrusion die replacement mechanism and an extrusion die cleaning mechanism; the extrusion die replacement mechanism includes a lifting platform lifted on the extrusion frame, a rotating bracket rotated on the lifting platform, a hydraulic telescopic cylinder 1 and a rotating device driving the lifting platform to lift and the rotating bracket to rotate; the extrusion die cleaning mechanism includes a cleaning table fixed on the extrusion frame, a hydraulic telescopic cylinder 2 fixed on the cleaning table, a die removal device connected to the piston rod of the hydraulic telescopic cylinder 2, an extrusion die fixing frame and a lifting frame sliding and lifting on the cleaning table, a clamping fixing device arranged on the extrusion die fixing frame, a lifting device and a moving device driving the lifting frame to lift and move the extrusion die fixing frame, and two ejection plates and an aluminum waste ejection rod of the fixed lifting frame. Advantages of the invention: Automatically remove residual aluminum waste from the extrusion die.

The invention relates to the technical field of plate production equipment, in particular to a plate collecting and releasing machine which comprises a lifting driving mechanism, a bearing conveying mechanism, a material frame positioning device, a plate conveying mechanism, a push-in mechanism, a material frame output mechanism, a push-out mechanism and a material frame input mechanism. The bearing and conveying mechanism is used for being connected with the output end of the material frame input mechanism or the input end of the material frame output mechanism, and the pushing-in mechanism is used for pushing plates conveyed by the plate conveying mechanism into material grooves of material frames borne by the bearing and conveying mechanism in place. The push-out mechanism is used for pushing the plates in the material grooves of the material frames borne by the bearing and conveying mechanism out to the plate conveying mechanism. The plate collecting and releasing functions are integrated, plate collecting or releasing can be selected according to the use requirement of a user, use is flexible, one object has two purposes, the production cost is reduced, automatic replacement of the plate collecting and releasing material frame can be achieved, the material frame replacement efficiency is improved, and the labor cost and the labor intensity are reduced.

The utility model discloses a dense medium shallow slot chain scraper replacing device which comprises a dense medium shallow slot sorting machine, and an old chain scraper is arranged in the dense medium shallow slot sorting machine. The number of the reels is two, the two reels are fixedly connected to the upper end of the dense medium shallow slot sorting machine, an old chain scraper is wound in one reel, and a new chain scraper is wound in the other reel; and the transmission structure is connected to the upper end of the dense medium shallow slot sorting machine. Compared with the prior art, the automatic replacement device has the advantages that guarantee is provided for efficient work of the dense medium shallow slot sorting machine, automatic replacement is achieved, labor cost and working intensity are greatly reduced, replacement time is shortened, and operation efficiency of equipment is improved.

The utility model relates to the technical field of aluminum alloy hub manufacturing, and discloses a hub cleaning and filtering device which comprises a frame body, a filtering frame is arranged on the frame body corresponding to a circulating water recovery tank, a filter screen lining plate of a hollow structure is arranged at the bottom of the filtering frame, a long-strip-shaped drawable filter screen covers the filter screen lining plate, and the filter screen is arranged on the frame body. And the two ends of the filter screen in the length direction respectively extend out of the outer edge of the filter frame. According to the utility model, the drawable filter screen is arranged, so that the filter screen can be quickly replaced by drawing the filter screen when the blockage condition occurs, the trouble of frequently stopping the machine to disassemble the filter screen for cleaning or replacing is avoided, the labor intensity of operators is reduced, and the continuity and stability of the production process are ensured; due to the arrangement of the filtering reel, continuous and stable supply of the filter screen is ensured, and the flatness of the filter screen is kept; and the winding roller is arranged, so that the dirty filter screen can be quickly recycled, and meanwhile, the clean filter screen is pulled for smooth position covering.

The invention relates to the technical field of chemical detection, and discloses a sample adding device for a chemiluminescence determinator, the sample adding device comprises a determinator main body, a mounting cavity is formed in the determinator main body, and a placing plate is slidably connected in the mounting cavity. A plurality of test tubes filled with samples are placed on a placing plate, then a threaded rod is driven by a driving motor to rotate, the threaded rod drives a taking and placing stirring mechanism to move left and right, and then the sample test tubes on the placing plate are automatically grabbed and fed by the taking and placing stirring mechanism; meanwhile, raw materials in a sample test tube are stirred through a stirring rod during feeding, so that the raw materials are fully reacted, then the raw materials are placed at the position of a detection disc in the tester main body, and the tested test tube is taken out, so that automatic taking and placing of the sample test tube are realized; meanwhile, raw materials in the sample test tube are stirred and mixed in the taking and placing process, so that the detection efficiency of the sample is improved.

The invention discloses an improved differential pressure type orifice plate flowmeter, and belongs to the technical field of differential pressure type flowmeters, the improved differential pressure type orifice plate flowmeter comprises four groups of differential pressure type orifice plate flowmeters, the four groups of differential pressure type orifice plate flowmeters are mounted on a base, orifice plates are mounted in the differential pressure type orifice plate flowmeters, and the orifice plates are mounted on the base. The differential pressure type orifice plate flowmeter is connected with two groups of pressure guide pipes; the clamping unit is rotationally connected in the differential pressure type orifice plate flowmeter, and an orifice plate is clamped in the clamping unit; and the rotating unit is rotationally connected to the base and is in sliding connection with the clamping unit. When the pore plate is blocked after the differential pressure type pore plate flow meter is used for a long time, the rotating unit is started at the moment, the two clamping units can drive the pore plate to rotate out of the two differential pressure type pore plate flow meters under the cooperation of the rotating unit, the pore plate is automatically loosened, the blocked pore plate is conveniently cleaned, and the working efficiency is improved. The method has the advantages of simplicity, high efficiency and high automation.

The invention belongs to the technical field of waste gas deodorization, and particularly discloses an adsorption separation type waste gas deodorization device which comprises a waste gas deodorization device body, a waste gas exhaust pipe is fixedly connected to the top of the inner wall of the waste gas deodorization device body, and a plurality of adsorption boxes are fixedly connected to the bottom of the waste gas exhaust pipe. Adsorption box bottom grooves are formed in the left sides and the right sides of the bottoms of the multiple adsorption boxes correspondingly, a plurality of activated carbon plate control frames are fixedly connected to the bottom of the inner wall of the waste gas deodorization device, and waste dust collection mechanisms are fixedly connected to the bottoms of the activated carbon plate control frames correspondingly. According to the waste gas deodorization device, pollutants in waste gas can be effectively adsorbed by the activated carbon plates in the multiple adsorption boxes, and when the activated carbon plates are saturated in adsorption, the lifting rod of the top frame is controlled to drive the activated carbon plate fixing frame to ascend and descend, so that automatic replacement of the activated carbon plates is realized, and continuous and stable operation of the waste gas deodorization device is ensured.

The utility model discloses a water cooling device for a sheet extruder, which comprises a base (1), and a water collecting tank (2) is arranged on the base (1). The water collecting tank (2) is connected with a drain pipe (3) and a water inlet pipe (4); a notch of the water collecting tank (2) is rotatably provided with a plurality of transmission lower pressing rollers (5), the surface of each transmission lower pressing roller (5) is provided with a plurality of annular grooves (6), and each annular groove (6) is filled with a water absorbing cotton sliver (7); a protective frame (18) is arranged above the water collecting tank (2), and a plurality of transmission upper compression rollers (8) are rotationally mounted on the protective frame (18); a spraying pipe (9) is mounted right above every two adjacent transmission upper compression rollers (8); and a plurality of spraying openings (10) are formed in the bottom surface of each spraying pipe (9). The cooling and shaping device not only can ensure the cooling and shaping effect, but also has the advantages of high working efficiency, convenience in use and cleaning and high structural stability.

The utility model provides a quick die changing device of an automobile hub bearing assembly line, belongs to the technical field of bearing assembly equipment, and aims to solve the problems that the equipment utilization rate is low and the production efficiency is seriously influenced due to frequent die changing in the existing multi-variety and small-batch production mode. Comprising a bearing assembly machine body, a press-fitting bearing table, a die change driving rotary table, a die change driving motor, a press-fitting protection mechanism and a die change driving mechanism. The press-fitting bearing table is fixedly connected to the lower end of the front portion of the bearing assembly machine body. The die changing driving rotary table is rotationally connected to the front end of the upper portion of the press-fitting bearing table. The die head pieces are connected to the centrifugal positions of the inner sides of the die change driving rotary tables in a sliding mode correspondingly. The die change driving motor is fixedly connected to the inner side of the bearing assembly machine main body; the press-fitting protection mechanism is arranged above the press-fitting bearing table; the die change driving mechanism is arranged below the press-fitting bearing table, automatic replacement of the die head piece is achieved, and the assembling efficiency of the automobile hub bearing is improved.

The invention discloses efficient integrated forming equipment for complex parts, and relates to the technical field of complex part manufacturing equipment.The efficient integrated forming equipment comprises a machining pedestal, a jacking mechanism and a translation mechanism, the jacking mechanism is fixedly arranged at the bottom of the machining pedestal, the translation mechanism is arranged on the side wall of the machining pedestal, and a plurality of machining stations and forming electric cylinders are arranged on the machining pedestal. The jacking mechanism achieves alternate movement of a jacking handle through a low-speed motor, a belt wheel and a cog belt, and a high-position containing clamping groove and a bottom-position containing clamping groove are formed in the bottom of the machining pedestal. And the translation mechanism realizes translation replacement of the cutter through a sliding frame, a bearing plate and a translation cylinder. The replacing mechanism comprises a shell, a tool box and an angle adjusting assembly. Accurate replacement and angle adjustment of tools are achieved through a driving air cylinder, a shaft sleeve, a reset trigger switch, a brake piece, the angle adjusting assembly and a rotating assembly. The technical effect of improving the forming efficiency of the complex parts is achieved.

The utility model relates to the technical field of rivet pulling head replacement, in particular to an automatic rivet pulling head replacement structure and a rivet pulling head feeding system.The automatic rivet pulling head replacement structure comprises an XY operation table, an installation plate is installed on the XY operation table, an air pressure gun and an object placing plate are installed on the installation plate, and a reciprocating assembly is arranged on the object placing plate; the reciprocating assembly comprises a reciprocating plate slidably arranged on the storage plate, the reciprocating plate is provided with a replacement assembly, the replacement assembly comprises a switching structure and a lifting structure, the switching structure comprises a rotating disc installed on the reciprocating plate, the rotating disc is provided with multiple sets of storage pieces in the circumferential direction of the rotating disc, and the storage pieces are connected with the lifting structure through rotating structures; when the reciprocating plate moves to the position under the air pressure gun, the lifting structure acts and can drive the rotating disc to ascend, suspend and descend, in the action process of the rotating disc, the lifting structure can drive the rotating structure to act so that the placing piece can rotate automatically, and therefore the rivet nut placed in the placing piece can be installed on the air pressure gun.

The present technology belongs to the technical field of coal mining equipment, and specifically discloses an underground coal mining ventilation and dust removal equipment, which comprises two air pipes, three reinforcing rods connected between the air pipes, two fans respectively embedded in the air pipes, a base plate assembled on the air pipes and close to the upper end, a protection box buckled on the base plate, a buckle cover movably assembled on the protection box, two through pipes embedded on the buckle cover, first elastic rubber hoses respectively assembled on the lower ends of the through pipes, second elastic rubber hoses respectively assembled on the upper ends of the air pipes, servo motors respectively assembled on the base plate and located on the two sides of the air pipes, jacks respectively assembled on the driving ends of the servo motors, and assembling discs respectively assembled on the jacks. The underground coal mining ventilation and dust removal equipment automatically replaces the return filtering screen through gas flow sensing, senses the running state of the ventilation system in real time, protects the life safety of underground workers, has a long service life, and does not require workers to frequently handle the dust filtering screen, and is convenient to use.

The utility model provides a green ecological building design energy-saving device, which relates to the technical field of green ecological building energy conservation, and comprises a building wall body and a known ventilation pipe internally provided with a fan, and the outer wall of the ventilation pipe is fixedly connected with a fixed frame close to an air inlet. Two dust covers which are symmetrically arranged relative to the ventilation pipe are fixedly connected in the fixing frame, reels are rotatably connected in the dust covers, the two reels rotate at the same speed, and a filter screen is wound on one of the reels. The air inlet of the ventilation pipe is partially covered with a new filter screen, that is, automatic replacement of the filter screen is achieved, and the filter screen always keeps a filtering effect on the air inlet of the ventilation pipe in the replacement process.

The utility model discloses a screen printing mechanism capable of realizing self-replacement of a screen, which comprises a pneumatic rod fixedly mounted at the output end of a cylinder, a rack fixedly mounted at one end, far away from the cylinder, of the pneumatic rod, a gear arranged on the side wall of the rack, a triangular block fixedly mounted in the gear, and a wedge-shaped block slidably mounted on the side wall of the triangular block. Springs are fixedly mounted on the side walls of the wedge-shaped blocks, discs are fixedly mounted at the ends, away from the wedge-shaped blocks, of the springs, connecting columns are fixedly mounted in the discs, cross-shaped connecting plates are fixedly mounted on the side walls of the connecting columns, and printing screens are fixedly mounted on the side walls of the cross-shaped connecting plates. And automatic replacement of the printing screen is realized. When the rack moves from back to front, the rack can drive the printing screen plate to do anticlockwise circular motion to be replaced, the replacement time is greatly saved, the printing efficiency is improved, meanwhile, the flexibility of equipment for coping with diversified printing tasks is enhanced, and the printing screen plates with different patterns or specifications can be rapidly switched.

This invention relates to the field of scanning electron microscopy, and more particularly to a sample exchange device. It includes a second plate with a first plate arranged parallel to it at intervals on its upper side. Multiple sets of guide grooves are evenly distributed inside the first plate, and each guide groove contains a slidable connecting arm. A sample stage is fixedly connected to the inner top of each connecting arm. Multiple sets of movable adjustment mechanisms are evenly distributed on the second plate, with the positions of the mechanisms corresponding to the guide grooves. The edges of the first and second plates are fixedly connected by multiple sets of evenly distributed fixed supports. This invention, with its multiple sample stages, can simultaneously accommodate multiple samples. The movable adjustment mechanisms can move the sample stages and adjust their positions, thereby achieving automatic sample exchange. This eliminates the need for manual operation, enabling rapid and accurate sample exchange, significantly reducing the time required for sample change and improving detection efficiency.

The application discloses a tight gas reservoir control factor analysis experimental equipment based on permeability measurement, which comprises an outer cylinder connected with an external confining pressure control assembly, two corresponding sealing end seats embedded into upper and lower ends of the outer cylinder, a sealing upper end head slidably connected in the upper end seat, a sealing lower end head slidably connected in the lower end seat, a sealing sleeve arranged between the two end seats, a test space formed among the two end seats, the upper end head, the lower end head and the sealing sleeve for accommodating a test sample, an end head control assembly for adjusting positions of the upper end head and the lower end head and providing fluid control for the two, a feeding assembly capable of providing at least a sample replacement into the test space, and a computer connected in communication with the end head control assembly, the external confining pressure control assembly and the feeding assembly.

The invention provides an unmanned aerial vehicle battery replacing and charging platform and an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles, the unmanned aerial vehicle battery replacing and charging platform comprises a positioning platform, an energy storage battery and charging mechanism, a locking mechanism and a clamping mechanism, and the positioning platform is used for stopping an unmanned aerial vehicle body and fixing the unmanned aerial vehicle body; one energy storage battery is used for being arranged on the unmanned aerial vehicle body, and the other energy storage batteries are electrically connected with the charging mechanism so that the energy storage batteries can be charged through the charging mechanism; the locking mechanisms are arranged on the unmanned aerial vehicle body and the charging mechanisms, and the energy storage battery can be locked and fixed by the locking mechanisms; the clamping mechanism can clamp an energy storage battery on the unmanned aerial vehicle body and move the energy storage battery to be electrically connected with the charging mechanism, or clamp the energy storage battery electrically connected with the charging mechanism and move the energy storage battery to the unmanned aerial vehicle body, and therefore automatic replacement of the energy storage battery of the unmanned aerial vehicle body is achieved through the unmanned aerial vehicle charging and battery replacing platform. The unmanned aerial vehicle does not need to inspect a take-off and landing point on a path for guarding, and the labor cost is remarkably reduced.

The utility model discloses a production system of composite spunlace cloth, which relates to the technical field of spunlace non-woven fabric production equipment and comprises an unreeling machine, an unreeling platform, a drawing machine, a first web outlet curtain, a long conveying curtain, an inclined curtain, a second web outlet curtain, a web conveying curtain, a spunlace machine, a drying machine and a reeling machine. The cotton web is conveyed to the inclined curtain through the drafting machine, the first web outlet curtain, the long conveying curtain and the inclined curtain in sequence to be converged with the coiled material; the coiled material is pulled to a carding machine through a plurality of cloth guide rollers, is processed by a carding machine platform of the carding machine and then is conveyed to an inclined curtain to be converged with an upper-layer cotton net and a lower-layer cotton net; a web layer above the coiled material is conveyed to the inclined curtain through the second web outlet curtain, multiple layers of webs and the coiled material are pressed tightly through the pressing roller, then conveyed to the spunlace machine through the web conveying curtain and then conveyed to the drying machine and the winding machine in sequence, and the problems that in the prior art, products produced through a production device of the composite spunlace cloth are prone to wrinkling, breaking and stacking, and the production efficiency is high are solved. And the thickness of the compounded product is not uniform.

The utility model discloses an automatic grinding head replacing mechanism which comprises a clamp assembly and a first driving assembly used for driving the clamp assembly to move. The clamp assembly comprises a mounting plate, a first clamping jaw used for taking down an old grinding head from a polishing head, a second clamping jaw used for clamping a new grinding head and sending the new grinding head to the polishing head and an in-place pressing rod used for pressing the new grinding head to the polishing head, and the first clamping jaw, the second clamping jaw and the in-place pressing rod are arranged below the mounting plate in a staggered mode. The utility model further provides a polishing machine. According to the automatic grinding head replacing mechanism, new and old grinding heads can be replaced, pressing is in place, automatic replacement of the grinding heads is achieved, and production efficiency is improved. According to the polishing machine, the grinding head can be automatically replaced, raw materials can be automatically fed or discharged, the production time of the polishing machine is greatly prolonged, and the production efficiency is multiplied.

The invention relates to the technical field of aluminum profile machining, in particular to a die replacing device of an automatic aluminum profile extruding machine. Comprising a longitudinal sliding guide rail, a longitudinal sliding side guide rail, a transverse sliding guide rail, an extrusion mechanism, a mold replacement mechanism, a traction mechanism and a cutting mechanism, the mold replacement mechanism is arranged at the front end of the extrusion mechanism, and the traction mechanism and the cutting mechanism are arranged at the front end of the mold replacement mechanism; the mold replacing mechanism comprises a sliding mold base, a waste pushing mechanism and a pulling mechanism, the sliding mold base is provided with a groove, a mold is inserted in the groove, the center of the mold is a cavity, the cavity is partially sunken, the sliding mold base and the mold are provided with through grooves, positioning pins are inserted in the through grooves in a penetrating mode, and a traction handle is arranged on the side face, perpendicular to the transverse sliding guide rail, of the sliding mold base; according to the automatic die replacement device, the die can be automatically replaced, a die body is not damaged, meanwhile, manpower consumption is greatly reduced, and follow-up die cleaning is facilitated.

The utility model discloses a PE pipe bundling mechanism, and relates to the technical field of PE pipe packaging, the PE pipe bundling mechanism comprises a workbench and a conveying device arranged on the workbench, the conveying device is provided with a plurality of positioning areas, the output end of the conveying device is provided with a bundling area, at least one positioning plate is arranged in the positioning areas, and the positioning plates are arranged on the workbench. A positioning groove is formed in the upper surface of the positioning plate, and the mechanism further comprises a steel wire used for being placed in the positioning groove. According to the PE pipe bundling device, the conveying device is arranged, the multiple positioning areas are arranged on the conveying device, the positioning areas are composed of the positioning plates, steel wires can be fixed through the positioning grooves of the positioning plates, and then the PE pipes in the positioning areas are moved into the bundling area in cooperation with the conveying device; and the movable end of the steel wire in the limiting space is tightened through the twisting part, it can be ensured that the steel wire is automatically replaced, and the bundling efficiency of the PE pipe is effectively improved.