83results about How to "For subsequent disassembly" patented technology

The invention provides a machining center positioning tool clamp which comprises a machining platform and further comprises multiple sets of platform side plates fixedly connected to the outer side of the machining platform, the multiple sets of platform side plates are distributed on the outer side of the machining platform in a rectangular shape, a bearing cross-shaped bottom plate is arranged at the bottom of the machining platform, and a driving mechanism is arranged at the top of the bearing cross-shaped bottom plate. A positioning cross-shaped bottom plate is fixedly connected to the top of the machining platform, an electromagnetic positioning mechanism is arranged in a center groove of the positioning cross-shaped bottom plate, an L-shaped structural plate is arranged at the top of a platform side plate, a clamping mechanism is arranged at the top of the L-shaped structural plate, a locking mechanism is arranged on the outer side of the platform side plate, and a warning mechanism is arranged at the top of the L-shaped structural plate. According to the clamp, an acousto-optic warning device in the warning mechanism is triggered through deviation of the clamping assembly to remind deviation of a workpiece in different directions, the workpiece is driven to reset through an air cylinder in the deviation correcting mechanism, and therefore efficient and high-precision machining operation of the clamp is achieved.

The invention discloses a water purifier with a layered filter element structure, and relates to the technical field of water purifiers, and the water purifier comprises a composite mechanism. According to the water purifier with the layered filter element structure, through the design of the composite mechanism, liquid enters from the feeding pipe and then is filtered through the layered filter element, impurities in the liquid are adsorbed, and the inner wall of the composite shell is scraped through the scraping mechanism, so that the effect of cleaning the impurities on the surface is achieved, excessive precipitation of the impurities is prevented, and the service life of the water purifier is prolonged. Impurities enter the output mechanism after being precipitated, filtered liquid flows towards the discharging pipe, follow-up treatment is facilitated, the treatment mechanism clamps the layered filter element, so that the rapid fixing effect is achieved, follow-up disassembly and replacement are facilitated, and the effects that the equipment can work for a long time, and the efficiency is improved are achieved. And the service life of equipment is prolonged.

The invention discloses fused quartz plate welding equipment with a positioning effect, and relates to the technical field of welding, and the fused quartz plate welding equipment comprises a composite mechanism. According to the fused quartz plate welding equipment with the positioning effect, through the design of the composite mechanism, the two fixing mechanisms are arranged and distributed on the two sides of the composite base, quartz plates are placed on the inner sides of the fixing mechanisms, and the effect of fixing the plates is achieved through the fixing mechanisms, so that the stability during welding is kept, deviation is prevented, and the welding precision is improved; the fixing mechanisms slide on the outer sides of the sliding rail columns, the two fixing mechanisms move towards one side of the welding machine, the mechanical butt joint effect is achieved, deviation caused by manual butt joint is avoided, the sliding frame body slides on the inner side of the composite frame body, the welding machine is driven to conduct transverse operation, and therefore the plate welding effect is achieved. When laser welding is carried out, dazzling light exists, the light is shielded through the protection mechanism, the working environment is optimized, and the vision of personnel is prevented from being affected.

The invention discloses a deep-sea mining plume inhibition technology using an AUV (Autonomous Underwater Vehicle) to add a flocculating agent, which comprises a mine car, a solution mixing container is arranged in the mine car, a stirrer is arranged on the solution mixing container, a second flow pump is arranged on the left side of the solution mixing container, and one end of the second flow pump is connected with the solution mixing container through a conveying pipeline; the other end of the solution mixing container is connected with a water pumping pipeline through a conveying pipeline; a jet flow pump is arranged on the left side of the solution mixing container; a flocculating agent is accurately added through the AUV, aggregation and sedimentation of suspended particulate matter are promoted, formation and diffusion of plume are effectively inhibited, pollution of deep-sea mining to the marine environment is reduced, the AUV can conduct autonomous navigation and control operation underwater, the system can adapt to the complex deep-sea environment, and the service life of the system is prolonged. The application scene of the technology is wide, the flocculant can be used for reducing plume generation, the drag reducer can also be used for reducing water jet resistance, and the mining efficiency is improved.

The utility model relates to the technical field of network communication equipment, in particular to computer network communication equipment, which comprises a router and a fixing assembly, the fixing assembly comprises a mounting frame, a fixing piece and two mounting structures, and each mounting structure comprises a connecting block, a telescopic piece, a locking frame and an abutting piece. The router is placed on the mounting rack and fixed by operating the fixing piece, then the telescopic piece on the connecting block is controlled according to the size of the fixing platform to adjust the position of the locking frame so as to enable the locking frame to reach a proper position, and then the locking frame and the fixing platform are buckled and fixed by operating the abutting piece. Therefore, the problem that a suction cup cannot be effectively adsorbed on a platform by utilizing negative pressure when some mounting platforms of the existing network communication equipment for the computer are not smooth enough, so that the universality of a suction cup negative pressure adsorption fixing mode is relatively low is solved.

The steel pipe convenient to splice comprises a steel pipe assembly, the steel pipe assembly comprises a steel pipe body, two first connecting grooves are formed in the end face of the steel pipe body, two first connecting plates are formed between the two first connecting grooves, the first connecting plate on the left side is inserted into the first connecting groove, and the second connecting plate on the right side is inserted into the first connecting groove. The right side first connecting plate is connected into the left side first connecting groove in an inserted mode. According to the steel pipe convenient to splice, the left side first connecting plate is inserted into the right side first connecting groove, the right side first connecting plate is inserted into the left side first connecting groove, and after insertion is completed, the joint between the two steel pipe bodies is welded through electric welding equipment; in this way, the area of the welding portion of the two steel pipe bodies is far larger than the welding area of the two circular sections when the two steel pipe bodies are welded, the stability of welding connection of the steel pipe bodies is achieved by enlarging the welding portion, and the probability of breakage of the welding portion is reduced.

This utility model discloses a container-type prefabricated house that is easy to assemble and disassemble, including a base and a top plate. A first slot is formed at the edges of both sides of the base and the top plate, and a second slot is formed at the edges of both ends of the base and the top plate. A first panel is slidably disposed inside the first slot, and a second panel is slidably disposed inside the second slot. A protective cover is provided on the top of the top plate. This utility model, by providing slidable limiting guide grooves on the sides of the base and the top plate, utilizes the structure of the first and second slots to automatically calibrate the first and second panels inserted into the slots, respectively. This promotes neat and consistent splicing of multiple panel structures. Combined with the splicing grooves on the sides of the first and second panels and the protruding splicing blocks for positioning and sealing, this not only improves the accuracy and convenience of panel assembly but also enhances the sealing and fixing effect after panel splicing.

The invention relates to a detachable hydrogenation tank which comprises a tank body, the tank body comprises a pipe body and sealing heads arranged on the two sides of the pipe body, the two sealing heads and the pipe body are spliced through flanges, two symmetrically-distributed mounting seats are arranged below the tank body, the two mounting seats are fixedly connected with the side wall of the tank body, and the two mounting seats are fixedly connected with the side wall of the tank body. Through holes are formed in the top ends of the two mounting seats, and first bolts are arranged in the through holes; two arc-shaped plates which are symmetrically distributed are arranged on the side wall of the pipe body, and supporting blocks are fixedly installed at the bottom ends of the two arc-shaped plates. The tank body is connected with a rail car in the prior art through cooperation of the mounting base and the first bolt, subsequent disassembly by workers is facilitated, the tank body is formed by splicing the pipe body and the end socket, the interior of the tank body is conveniently disassembled and maintained subsequently, the two symmetrically-distributed supporting plates are arranged at the top end of the mounting base, the effect of supporting and stabilizing the tank body is achieved, and the service life of the tank body is prolonged. And the mounting stability of the tank body can be maintained.

The present invention relates to the field of air purification, and specifically to a detachable filtering structure for air purification, comprising a ventilation hood, a fixed seat is arranged inside the ventilation hood, a ventilation pipe is connected to the top of the ventilation hood through a connecting pipe, a driving motor is installed on the top of the fixed seat, a rotating column is installed at the output end of the driving motor, a reduction unit is arranged on the top of the rotating column, a support plate is installed through the outer side of the reduction unit, a rotation limiting mechanism is arranged between the support plate and the fixed seat, connecting plates are installed at both ends of the support plate, a filter shell is clamped with a mounting sleeve on the connecting plate, a self-cleaning mechanism is arranged between the filter shell and the mounting sleeve, a filter unit is arranged inside the filter shell, and a self-sealing mechanism is arranged between the top of the filter shell and the connecting pipe. The present invention can perform various targeted filtering operations on the air passing through the connecting pipe by continuously switching the filter shell connected to the connecting pipe and the corresponding filter unit, thereby ensuring the air filtering effect.

The utility model discloses a network cabinet wire passing groove comprising a cabinet wire passing groove main body, the upper end and the lower end of the cabinet wire passing groove main body are respectively provided with a cable wire separation hole, and the front end of the cabinet wire passing groove main body is detachably connected with an isolation movable protective cover. The isolation movable protective cover comprises a positioning insertion block, an inner connection movable hole, a triangular positioning anti-disengaging block, a limiting anti-disengaging block, a damper, an elastic piece, a protective positioning frame, a transparent protective cover, a control pull block, an inner insertion movable groove and a positioning anti-disengaging hole. According to the network cabinet wire passing groove of the utility model, the protection positioning frame and the transparent protection cover are utilized to enhance the protection effect, the cable can be protected from being influenced by dust to a certain extent, the cabinet wire passing groove main body and the protection positioning frame are convenient to position and disassemble, the cable is convenient to access, and the subsequent cable maintenance is convenient. And cables and wires in the cabinet wire passing groove main body can be observed conveniently, and the dismounting does not occupy the area.

The utility model provides a novel film rolling device for rolling a film in a vegetable greenhouse. The novel film rolling device for vegetable greenhouse film rolling comprises a supporting plate; the winding shaft is rotationally mounted on the supporting plate; the first motor is fixedly installed on the supporting plate, and an output shaft of the first motor is fixedly connected with the winding shaft; a plurality of springs, wherein the plurality of springs are fixedly mounted on the supporting plate; and the cleaning plate is fixedly mounted on the plurality of springs and can be in contact with the winding shaft. The novel film rolling device for rolling the film of the vegetable greenhouse has the advantages that flexibility is high, the greenhouse film can be cleaned when rolled, foreign matter is prevented from being rolled into the greenhouse film, and therefore safety is guaranteed when the greenhouse film is rolled.

The utility model relates to the technical field of hardware manufacturing, and the utility model provides a fastener tapping machine for hardware manufacturing, including frame, the inside front end fixed of frame is provided with the connecting port, the inside fixed mounting of connecting port has the railing, the lower end mounting of railing has the collection box, the front end fixed of connecting port is provided with the mounting groove no.

The utility model discloses a quick dismounting device for a steel bar truss floor support plate. The quick dismounting device comprises a bottom die, a mounting groove is formed in the upper side face of the bottom die, a vertical steel bar is clamped in the mounting groove, an upper chord steel bar is welded to the upper end of the vertical steel bar, and a reinforcing steel bar is welded to the upper section of the vertical steel bar; convex plates are installed on the upper sides of the left end and the right end of the bottom die, movable rods penetrate through the convex plates, one ends of the movable rods are connected with connecting rods, and the other ends of the movable rods are connected with limiting caps. According to the quick dismounting device for the steel bar truss floor support plate, vertical steel bars, upper chord steel bars and reinforcing steel bars which are integrally welded are attached to a bottom die, the vertical steel bars are clamped into mounting grooves and drive connecting rods to drive moving rods to move in a matched mode, and therefore limiting caps are clamped to the end positions of the upper chord steel bars and can be locked by using threaded rods and fixing nuts in a matched mode; therefore, the assembling of the steel bar truss floor support plate can be quickly realized, and the subsequent disassembly and assembly are more convenient.

The invention provides an anti-seismic damper mounting bracket. The anti-seismic damper mounting bracket comprises a plurality of supporting rods which are respectively mounted on the indoor ground and the indoor top surface; the bottom box is fixed to the tops of the multiple supporting rods installed on the indoor ground. The top box is fixed to the bottoms of the multiple supporting rods installed on the indoor top face, the top box is located over the bottom box, an elastic rope is fixed to the top box, and a rubber block is fixed to the elastic rope; the two welding connecting rods are respectively fixed in the bottom box and the top box; and the plurality of welding pieces are respectively arranged on the two welding connecting rods. The anti-seismic damper mounting support has the advantages of being simple in structure, high in stability, low in view blocking effect and attractive.

The invention relates to the technical field of coal mine drilling, in particular to an energy-saving coal mine working face aquifer drilling reamer bit which comprises a cutter handle, a cutter head mechanism is mounted on the cutter handle, a limiting mechanism is mounted in the cutter handle, a locking mechanism is mounted in the cutter head mechanism, and a detection mechanism is mounted on the cutter head mechanism. The detection mechanism is provided with a clamping mechanism, and the locking mechanism is provided with a lubricating mechanism. Through cooperation of the tool bit mechanism and the limiting mechanism, reaming drilling work is achieved, the hole diameter can be rapidly adjusted according to needs, locking control over the limiting mechanism is facilitated through the locking mechanism, lubricating on the locking mechanism is facilitated through the lubricating mechanism, and monitoring on underground harmful gas and the rock stratum state is facilitated through the detection mechanism; through the action of the locking mechanism, the clamping mechanism is clamped and limited, so that the detection mechanism is stably installed, and subsequent disassembly is facilitated.

The utility model relates to the technical field of bearing stamping retainers, and discloses a tapered roller bearing stamping retainer which comprises a retainer body, a fixing mechanism is arranged in the retainer body, and an oil injection mechanism is arranged in the retainer body. The arc-shaped clamping blocks are used for clamping and fixing the roller bodies, and the balls are in contact with the roller bodies, so that friction in the working process of the roller is reduced, the service life of the bearing is prolonged, rapid positioning and mounting of the multiple roller bodies are achieved, scattering is avoided in the overhauling process, assembly and subsequent disassembly are facilitated, and the service life of the bearing is prolonged. The problems that after an existing retainer body is assembled, the internal space of a bearing is narrow, and a user cannot conveniently inject oil into the bearing are solved, lubricating oil enters the containing grooves through the oil injection holes to lubricate the roller body, and the stability of the roller body in the rotating process is also guaranteed.

The utility model relates to the technical field of medical haemostat, in particular to a radial artery compression haemostat which comprises a pressure adjusting plate, a positioning plate and an adjusting belt, a base pipe is installed on the upper side of the pressure adjusting plate, a cover body penetrates through the interior of the base pipe in a sliding mode, a threaded pipe is installed on the pressure adjusting plate and located at the axis of the base pipe in a penetrating mode, and a rotating shaft penetrates through the interior of the threaded pipe. The upper end of the rotating shaft penetrates through the cover body and is provided with a rotating block, threads are arranged on the outer side of the middle of the rotating shaft, and a spring is arranged on the upper side of the pressure adjusting plate and located in the basic pipe. Compared with the prior art, the radial artery compression device has the advantages that the thread on the rotating shaft is matched with the threaded pipe to drive the air bag on the lower side of the pressing plate to move, the radial artery can be compressed in all directions through the air bag, and the extrusion degree on the radial artery can be adjusted by rotating the rotating shaft and adjusting the expansion degree of the air bag.

The utility model discloses a testing device for a chip ceramic dielectric capacitor, which relates to the technical field of ceramic dielectric capacitors and comprises a main body unit, a pushing unit, a testing unit and a fixing unit, the pushing unit and the testing unit are arranged above the main body unit, the fixing unit is arranged above the pushing unit, and the pushing unit is positioned on one side of the testing unit. The pushing unit comprises a fixed box installed on the top of the main body unit, a lead screw movably arranged in the fixed box, a first driving motor installed at the input end of the lead screw, and a moving part installed on the lead screw. According to the testing device for the chip ceramic dielectric capacitor, through the arrangement of the pushing unit and the fixing unit, the fixing operation is simplified, and the subsequent disassembly is facilitated.

The utility model relates to the technical field of cosmetic storage boxes, and discloses a freely-rotating large-capacity cosmetic storage box which comprises a storage box body and a storage rotating disc, the bottom of the storage rotating disc is rotationally connected with a rotating seat, a placing opening is formed in the storage box body, and a pair of box drawing openings is formed in the lower portion of the storage box body; a base is fixed to the bottom of the storage box body, an isolation plate is fixed to the bottom face in the storage box body, and a pair of fixing grooves are formed in the isolation plate; a fixing plate is fixed to the bottom of the rotating seat, a pair of inserting plates is fixed to the fixing plate, and the inserting plates are matched with the fixing grooves; by arranging the rotating seat, the positioning column, the fixing groove, the hand screwing bolt and the inserting plate, through bolt screwing type installation, traditional two-hand press fit installation is avoided, the installation operation is further simplified, installation is convenient, manpower consumption is reduced, follow-up disassembly and separation are also convenient, and practicability is improved.

This invention discloses a wall-penetrating sealing structure for thermal insulation pipes and its installation method, relating to the field of wall-penetrating thermal insulation pipe technology. It includes a wall-penetrating installation component, on which a corrugated pipe compensation component is installed for pre-storing a compensation distance. A retaining ring connector is installed on the corrugated pipe compensation component for sealing the corrugated pipe compensation component. An outer receiving component and an inner receiving component are installed at the tail of the wall-penetrating installation component. By using an adjusting flange ring on the outer side of the corrugated protrusion on the compensating corrugated pipe, it is easier for workers to quickly inspect and repair the compensating corrugated pipe. When cracks appear in the compensating corrugated pipe due to long-term expansion and contraction, splicing and leak repair can be quickly performed. This solves the problems of current wall-penetrating sealing structures for thermal insulation pipes, such as inconvenience in pre-storing corrugated pipe expansion sections, low replacement efficiency, and short service life of the corrugated pipe.

The cutter structure comprises a plurality of cutter assemblies and a rotating shaft, the rotating shaft is sequentially connected with the cutter assemblies, the left side of each cutter assembly is provided with an assembling groove, the right side of each cutter assembly is provided with a connecting base, and the assembling grooves can be connected with the connecting bases in a clamped mode; the cutter assembly comprises a first mounting seat, a second mounting seat and a plurality of blades, connecting holes are formed in the middles of the first mounting seat and the second mounting seat, the rotating shaft is connected with the first mounting seat and the second mounting seat through connecting ports, a plurality of fixing columns are arranged on the right side of the first mounting seat, and each blade is connected with the corresponding fixing column; mounting holes corresponding to the fixing columns in number are formed in the left side of the second mounting seat, and the fixing columns are connected with the mounting holes. The cutting device has the beneficial effects that when materials with different sizes need to be cut out, a worker only needs to adjust the distance between every two sets of cutter assemblies, and the purpose can be achieved.

The utility model relates to the technical field of inverter installation, and discloses an inverter installation structure which comprises an inverter, the inverter is provided with a hanging assembly, the hanging assembly comprises a connecting plate arranged on the inverter, the connecting plate is provided with an upper hanging piece, the lower side of the upper hanging piece is provided with a supporting assembly, and the supporting assembly is arranged on the lower side of the upper hanging piece. The supporting assembly comprises a mounting plate, a lower supporting piece is arranged on the side, close to the upper hanging piece, of the mounting plate, the upper hanging piece is clamped on the lower supporting piece, and a locking insertion rod is arranged at the overlapping position of the lower supporting piece and the upper hanging piece. According to the inverter mounting structure, through cooperative use of the mounting and hanging assembly, the supporting assembly and the locking insertion rod, rapid mounting and convenient dismounting are realized, the distance between the inverter and the mounting surface is increased, ventilation and heat dissipation of the back surface are ensured, and the inverter mounting structure can be directly hung on a bracket when being mounted on an outdoor photovoltaic bracket and is convenient to mount and dismount. The LED lamp has the advantages of convenience in disassembly and assembly, increased radiating space, high applicability and the like.

The utility model discloses a heat treatment processing device for reducing residual stress of a titanium alloy material, which relates to the technical field of heat treatment processing, and comprises a sealing structure, the sealing structure comprises a treatment tank, the top of the treatment tank is provided with a limiting groove, the outer surface of one side of the treatment tank is provided with a locking piece, and a side block is provided with a second motor. A first cover plate is arranged on one side of the rotating rod, a mounting groove is formed in the side, away from the rotating rod, of the first cover plate, a mounting plate is arranged in the mounting groove, a second cover plate is arranged on the side, away from the first cover plate, of the mounting plate, and a through groove is formed in the upper surface of the second cover plate. According to the utility model, the first cover plate and the second cover plate are matched to seal the top of the treatment tank and prevent quenching liquid from splashing out of the treatment tank, and meanwhile, the locking piece and the sleeving piece are arranged to fix the second cover plate, so that the use requirements are met.

The utility model discloses an intelligent guardrail for bridge construction, and relates to the technical field of bridge construction, the intelligent guardrail for bridge construction is provided with a first stand column, a second stand column, a third stand column, a first telescopic cylinder, a second telescopic cylinder and rollers, the rollers can drive the whole guardrail to move, carrying is convenient, meanwhile, the third stand column is pulled outwards, and the third stand column is pulled outwards. The first telescopic cylinder and the second telescopic cylinder can move on the inner sides of the first fixing cylinder and the second fixing cylinder, so that the length of the whole guardrail is adjusted, follow-up disassembly and storage can be facilitated, the first fixing frame, the second fixing frame and the noise reduction barrier are arranged and can be blocked in front of the second fixing cylinder and the second telescopic cylinder, and double protection is achieved; meanwhile, noise generated by a construction site can be reduced, a certain noise reduction effect is achieved, in addition, alarms are further arranged on the two sides of the guardrail and used for warning passing vehicles, temporarily-erected alarm equipment can be replaced, functionality is richer, and practicability is higher.

The present invention discloses a device for positioning reserved wall dowels at a conversion node of an assembled building, comprising: a main wall; an assembled wall panel connected and matched with the main wall, and a plurality of dowel holes are provided on the assembled wall panel; an inner cavity hole is arranged corresponding to each of the dowel holes, and the diameter of the inner cavity hole is larger than the diameter of the dowel hole; an inner plug-in component is arranged corresponding to each of the dowel holes, and the inner plug-in components are embedded and fixed in the dowel holes for preliminary sleeve fixing of the internal dowels; and a reserved adjustment component is embedded and fixed in the inner cavity hole, and a positioning sleeve is provided in the reserved adjustment component for sliding sleeve the other end of the internal dowel so as to position and install the assembled wall panel on the main wall.

The plugging device comprises an oil well body, a well cementation casing pipe is connected to the inner wall of the oil well body in a clamped mode, internal threads are formed in the inner wall of the well cementation casing pipe, an expansion sealing rubber plug is fixedly connected to the inner wall of the well cementation casing pipe, a conical hole is formed in the inner wall of the expansion sealing rubber plug, and the expansion sealing rubber plug is fixedly connected with the inner wall of the oil well body. And a sealing plug is clamped to the inner wall of the conical hole, and a sealing bearing is fixedly embedded in the upper surface of the sealing plug. According to the device, through the arrangement of the well cementation casing pipe, the expansion sealing rubber plug, the conical hole, the plugging plug, the sealing bearing, the plugging extrusion rod and the connecting column head, the plugging extrusion rod can be rotated to drive the connecting column head to rotate, and through threaded connection fit with the well cementation casing pipe, the plugging plug can be driven to move downwards to be extruded and embedded into the expansion sealing rubber plug; the oil well plugging device is simple in structure, convenient to operate, convenient to disassemble subsequently and worthy of popularization and application.

The detachable curing device comprises a main prefabricated concrete part and further comprises a base plate and a plurality of mounting grooves formed in the top of the base plate, vertical rods are assembled in the mounting grooves in a threaded mode respectively, and a plurality of supporting tables are arranged on the outer wall of one side of each vertical rod. A supporting rod used for supporting the main prefabricated concrete part is erected on the portion, between every two vertical rods, of the supporting table, and a plurality of main atomization spraying heads facing the main prefabricated concrete part are arranged at the top of each supporting rod. According to the detachable maintenance device for the prefabricated concrete parts, the multiple vertical rods are assembled in the mounting grooves in a threaded mode, the supporting rods are erected on the supporting table between every two vertical rods so as to support the main prefabricated concrete parts, and the multiple main atomization spraying heads facing the main prefabricated concrete parts are arranged at the tops of the supporting rods; and due to the arrangement of the vertical rod threaded assembly, the main prefabricated concrete part can be conveniently and subsequently disassembled, taken and placed.

The utility model provides a drip-proof injection molding device, belongs to the technical field of injection molding machines, and solves the technical problems that raw materials are wasted and the working environment is polluted due to the fact that the raw materials continue to drip due to the inertia effect, possibly flow out of an injection molding head and drip onto a working table and are difficult to clean in the prior art. A drip-proof injection molding device comprises a base and an injection molding frame arranged on the base, a sliding rail is fixed to the base, a pair of installation bases are connected to the sliding rail in a sliding mode, a regulation and control assembly for controlling the two installation bases to slide oppositely is arranged in the sliding rail, a support is fixed to the base, and an electric push rod is fixed in the support. The output end of the electric push rod is fixedly connected with the injection molding frame, an injection molding spray head is fixed to the injection molding frame, and a drip-proof assembly is arranged in the injection molding spray head. The injection molding machine has the advantages of preventing raw materials from continuously leaking after injection molding is finished, and reducing waste of the raw materials and pollution to the surroundings.

The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle with a protective structure. A mounting box is mounted in the bottom end of the machine body; a high-pressure gas cylinder bin is mounted in the mounting box; limiting frames are fixedly connected to the outer wall of the mounting box in a surrounding mode, and each limiting frame is located on one side of the air bag. A limiting plate is hinged to one end of the limiting frame through a torsional spring; an electromagnetic valve is controlled to be opened through a remote controller, so that the air conveying end of the high-pressure air cylinder bin conveys air into the air bag through an air pipe, the air bag rapidly stretches, when the unmanned aerial vehicle falls into water, buoyancy support is provided for the unmanned aerial vehicle through the air bag, and the effect that the unmanned aerial vehicle floats on the water surface is achieved; the damage to the unmanned aerial vehicle in the fishing waiting period is reduced, the effect of protecting the unmanned aerial vehicle is achieved, the four sets of air bags are arranged, stable, uniform and sufficient buoyancy is provided when the unmanned aerial vehicle falls into water, and the unmanned aerial vehicle can safely land on the water surface.