43results about How to "Easy to operate manually" patented technology

The invention relates to the technical field of charging pile fire extinguishing, and discloses a miniature automatic fire extinguishing device suitable for an electric vehicle charging pile, the miniature automatic fire extinguishing device comprises two stand columns which are symmetrically distributed left and right, a moving assembly is arranged between the two stand columns, and a lubricating assembly located on the outer side of the moving assembly is arranged at the top of the moving assembly; an adjusting mechanism is arranged at the bottom of the moving assembly, an outer box extending to the bottom of the adjusting mechanism is arranged on the inner side of the adjusting mechanism, a fixing mechanism extending to the bottom of the outer box is arranged on the inner side of the outer box, and a fire extinguishing mechanism attached to the fixing mechanism is arranged on the inner side of the outer box; according to the miniature automatic fire extinguishing device suitable for the electric vehicle charging pile, the purpose of adjusting the fire extinguishing angle is achieved through the arrangement of the adjusting mechanism, and the purpose of conveniently replacing fire extinguishing equipment is achieved through the arrangement of the fixing mechanism and the fire extinguishing mechanism.

The invention belongs to the technical field of high-altitude operation safety hanging point devices, and particularly relates to a large-scale power grid safety guarantee main transformer high-altitude operation safety hanging point device which comprises two fixed guide rail columns which are arranged in parallel, and movers are slidably mounted on the fixed guide rail columns. A U-shaped device is installed on one side of the mover in a hinged mode, and a rotating wheel is rotationally installed in the U-shaped device. And the two fixed wall plates are located on one sides of the two fixed guide rail columns correspondingly, it is ensured that the driving assembly can drive the two movers to move up and down on the two fixed guide rail columns correspondingly through the arranged driving assembly, personnel can conveniently fix one ends of the two steel wire ropes through the connectors on the ground, and meanwhile the two steel wire ropes can be fixed through the connectors. The height of the two steel wire ropes does not need to be manually adjusted, meanwhile, the two winding rollers can be driven to rotate forwards and backwards, the steel wire ropes can be conveniently wound on the winding rollers or the steel wire ropes on the winding rollers can be conveniently unwound, the device is convenient to operate by personnel, all manual operation is not needed, and time can be greatly saved.

The invention relates to the technical field of carbon dioxide incubators, in particular to a carbon dioxide incubator for vaccine production and an operation method.The carbon dioxide incubator comprises an incubator body, an outer box door and a cylinder type bracket mechanism which is arranged in an inner cavity and can move horizontally and rotate; a detachable isolation frame is arranged between the outer box door and the inner cavity; the isolation frame is provided with an opening for the single group of shelves to pass through and is provided with a built-in door in a sliding manner; two sets of lateral baffles capable of automatically deflecting through linkage assemblies are arranged on the inner sides of the open holes, and when the bracket mechanism moves horizontally to be close, the lateral baffles automatically deflect to form lateral enclosure isolation on the target shelf; the incubator body is also provided with a grooved wheel mechanism for driving the bracket mechanism to rotate intermittently, and a positioning assembly which is controlled by the outer box door and is used for radially locking and releasing the rotating shaft; independent isolation and operation of a single set of shelves can be achieved, disturbance of the internal environment during door opening is remarkably reduced, and vaccine culture stability and operation efficiency are improved.

The utility model discloses a valve with a stainless steel surfacing layer, which comprises a valve body, a valve cover, a valve rod and a valve core, the valve body is provided with a valve cavity, two sides of the valve body are provided with an inlet and an outlet which are communicated with the valve cavity, the valve cavity of the valve body is provided with a valve seat for dividing the inlet and the outlet, and the valve body is provided with a valve cover connecting part; the valve cover is detachably mounted on the valve cover connecting part of the valve body; the valve rod is in threaded connection with the valve cover, penetrates through the valve cover and extends into the valve cavity; the valve element is fixedly installed at the lower end of the valve rod and located in a valve cavity of the valve body, and a stainless steel surfacing layer is arranged at the joint of the valve element and the valve rod. The valve rod is suitable for driving the valve element to make contact with a valve seat in the valve cavity in a matched mode through rotation action, and the communication state between the inlet and the outlet is controlled through cooperation of the valve element and the valve seat. The service life of the valve can be prolonged, and meanwhile visual inspection of the abrasion state is achieved.

The utility model discloses a kind of pipe bender for automobile seat framework processing, relate to automobile engineering technical field.The utility model includes operation platform;The upper surface of operation platform is respectively fixed with conveying assembly and bending assembly;The conveying assembly includes two baffle one of symmetrical fixation, the adjacent side of two baffle one is respectively equipped with two inclined plate of symmetrical fixation on the upper surface of operation platform, rotatingly arranged between two inclined plate, the both ends of rotating shaft are all through inclined plate and are connected with baffle one.The utility model is cooperated between the specific components of conveying assembly and bending assembly, realizes automatic bending to pipe fitting, without artificial fetch one by one workpiece, then bending to pipe fitting is pressed again, pipe fitting is fetched after being pressed, simplify artificial operation process, avoid worker long time work to cause fatigue and then reduce enterprise processing efficiency.

The utility model relates to the technical field of hardware fitting hot pressing devices, in particular to a hardware fitting machining hot pressing device which comprises a base, a material pressing seat is arranged on one side of the base, a cooling seat is arranged on the other side of the base, and a machining disc is rotationally connected to the top of the base. A plurality of sets of machining stations are fixedly connected to the top of the machining disc at equal intervals, heating plates are arranged on the two sides of each machining station, a push rod is arranged at the top of the base, and a rotating disc is arranged on the side, away from the machining stations, of the push rod. According to the hot-pressing device for hardware fitting machining, the driving structure, the guide rail, the push rod and other parts are arranged, the full-automatic discharging process of fittings is achieved, the production efficiency of the device is greatly improved, the sun gear and the rotating shaft of the device are connected through the spline, and the requirement for the number of actual machining stations can be met. Sun gears with different sizes can be conveniently replaced, and the applicability and the flexibility of the device are improved.

A linkage cabinet door lock includes a lock body and an installation structure. The lock body has a locking assembly and a limiting mechanism. The locking assembly includes a bolt, a gear locking pin, and a rack. The bolt is slidably disposed in a bolt groove. A gear locking pin is rotatably disposed on the outside of the bolt groove, with a gear at one end and a locking end at the other. The gear meshes with the rack on the bolt to achieve linkage between the bolt and the gear locking pin. The locking assembly has unlocked and locked states. In the unlocked state, a compression spring pushes the bolt out of the lock body, and the locking end screws into the lock body. In the locked state, the bolt retracts into the lock body, and the locking end screws out of the lock body. During the sliding of the bolt, the rack drives the gear locking pin to rotate, realizing the switching between the two states. The limiting mechanism includes a limiting spring and a limiting actuator. The limiting head of the limiting spring is used to prevent the bolt from popping out. The limiting actuator controls the deformation of the limiting spring to release the limiting of the bolt. This invention has a simple structure, is easy to operate, and can realize individual control of the cabinet door on which this mechanism is installed.

This utility model discloses a heavy-duty manual flip-top mechanism, specifically relating to the field of vacuum equipment technology. It includes a housing assembly and a flip-top arm for connecting a heavy-duty cover plate. The housing assembly includes a support housing serving as a support point and a rotating wheel for applying flip-top power. A rotating shaft is rotatably connected inside the support housing, with both ends of the shaft extending from opposite sides of the housing. The end of the rotating shaft is fixedly connected to one end of the flip-top arm. A transmission mechanism is provided between the rotating wheel and the rotating shaft. A pin connecting block for connecting to the heavy-duty cover plate is fixedly installed inside the end of the flip-top arm away from the rotating shaft. This utility model, by setting up the housing assembly and the flip-top arm, enables manual control of the flip-top of a heavy-duty cover plate, simplifying existing flip-top structures, reducing the complexity of the entire device, simplifying the flip-top operation during frequent opening and maintenance, and improving control flexibility and safety. It is applicable to this field.

This utility model provides a geotechnical investigation sampling box, belonging to the field of geotechnical engineering investigation and sampling. The technical solution is as follows: a geotechnical investigation sampling box includes a soil sample box, with an upper and lower cover respectively installed at both ends. A label box is installed on the top of the upper cover. The label box includes a base and a lid. The bottom of the base is fixedly connected to the top of the upper cover, and the top of the base has a mounting groove for storing labels. The lid is located above the mounting groove, and the lid and base are rotatably connected. A locking mechanism is provided on the lid to lock it onto the base and seal the mounting groove. The beneficial effect of this utility model is that by encapsulating the labels inside the label box, it not only achieves independent protection for the labels but also effectively maintains their integrity over a long period.

The utility model relates to the technical field of hydrological winches, and particularly discloses a multi-angle positioning device for a hydrological winch, which comprises a positioning frame comprising a frame body; a rotating assembly, the positioning column is connected to the top of the base plate, the rotating sleeve is connected to the bottom of the frame body and is in rotating fit with the positioning column, the threaded sleeve is fixedly connected to one side of the frame body, the positioning bolt is in threaded connection to the threaded sleeve, the positioning ring is connected to the top of the base plate, and the positioning holes are formed in the positioning ring and connected with the bottom end of the positioning bolt in an inserted mode. The rotating assembly, the brake assembly, the supporting assembly and the like are matched, stable and constant-speed take-up and pay-off can be achieved, the horizontal angle of the positioning frame can be adjusted and fixed, the angle of the supporting frame can be adjusted and fixed by changing the length of the telescopic frame body, take-up or pay-off of the take-up and pay-off assembly can be adjusted through the driving piece, and a hydrographic survey instrument can be adjusted to different positions. And manual operation is facilitated, so that the device has adaptability in different working environments.

The utility model discloses a kind of continuous feeding devices of waste tyre processing, relate to waste tyre processing field.The continuous feeding device of waste tyre processing includes conveying unit, and cleaning unit and scraping unit are arranged in it.The conveying unit includes box, transmission roller, conveying belt etc.;Cleaning unit has rolling brush, turnover plate, elastic scraper etc., for cleaning the tyre fragment attached on conveying belt.The continuous feeding device of waste tyre processing is through the synergies of rolling brush, turnover plate and elastic scraper in cleaning unit, can comprehensively, thoroughly remove the tyre fragment attached on conveying belt.Rolling brush first carries out preliminary cleaning to the surface of conveying belt;Elastic scraper further scrapes residual fragment;Turnover plate can overturn the accumulation fragment at elastic scraper, prevent fragment from being accumulated at this place and influence cleaning effect, to guarantee the normal operation of conveying belt, improve conveying efficiency, prolong the service life of conveying belt.

The application relates to the technical field of coil winding, in particular to a numerical control winding machine facilitating clamping of a special-shaped coil, which comprises a machine base, a mounting plate is arranged on the machine base, a driving guide wheel, a driven guide wheel and a limiting guide wheel are rotationally arranged on the mounting plate, at least two driving guide wheels are arranged at intervals, at least two driven guide wheels are arranged at intervals, and at least two limiting guide wheels are arranged at intervals, a push plate is slidingly arranged on the mounting plate, a connecting rod is fixedly connected to the push plate, an electric push rod is mounted on the mounting plate, the output end of the electric push rod is connected to the connecting rod, a tensioning guide wheel is rotationally arranged on the push plate, a belt is wound around the driving guide wheel, the driven guide wheel, the limiting guide wheel and the tensioning guide wheel, a limiting belt is fixedly connected to the belt, and a section of the limiting belt is bent in an arc shape towards the direction of the iron core, so that the work efficiency of winding the special-shaped coil is improved.

The invention belongs to the technical field of wastewater treatment, particularly relates to an industrial wastewater high-energy purification and recovery device, and solves the problems of high wastewater treatment cost, low wastewater purification rate and tedious procedures in the prior art. The high-energy industrial wastewater purification and recovery device comprises a purification tank, the bottom of the purification tank is connected with a wastewater gasification unit, industrial wastewater can be gasified and mixed through high-temperature steam, and a flow equalizing interception unit, a filtering unit and a catalytic reaction unit are distributed in the purification tank from bottom to top. A mixed steam outlet in the top of the purification tank is connected with a mixed purified steam recovery unit. And the effect of green recovery from industrial wastewater to various pure resources is realized.

The invention discloses an angle-fixed cache frame adaptable to multi-size collecting and winding drums, and relates to the technical field of warehouse logistics equipment.The angle-fixed cache frame comprises a rack and a controller, an adjusting mechanism is arranged on the rack, a restraining mechanism is arranged on the adjusting mechanism, and the adjusting mechanism comprises a mounting box. According to the angle-fixed temporary storage frame capable of being matched with the multi-size winding drums, the temporary storage frame can be accurately and automatically matched with the winding drums with different lengths and diameters through the transverse adjusting module composed of a double-shaft servo motor, a threaded rod, a threaded block and a push rod and the longitudinal adjusting module for driving the mounting platform to ascend and descend through an air cylinder; an operator only needs to input parameters through the controller, automatic adjustment of the width and the height of the buffer frame can be completed, the adaptability of equipment to collecting drums of different specifications is greatly improved, the trouble that tools are frequently replaced or adjusted due to product model changing is avoided, and the space utilization rate and the production flexibility are remarkably improved.

This invention discloses a grinding wheel dressing method for machining cycloidal gears using a worm gear grinding machine. The key feature is the use of a worm gear grinding machine that integrates cycloidal gear machining and grinding wheel dressing functions to achieve rapid and precise grinding wheel dressing. The worm gear grinding machine, with an adjustable central axis swivel angle for the dresser, increases the dresser's freedom of movement during dressing, reducing the impact of changes in the grinding wheel tooth profile, controlling errors during dressing, and improving machine tool stability. A contact vibration sensor is installed on the grinding wheel; by sensing vibration data, the machine tool automatically adjusts the dresser's alignment, simplifying manual operation, improving dressing accuracy, and saving time. After the initial alignment, the dresser does not need to be aligned again, improving dressing efficiency. By differentiating the two-stage machining process of dressing the grinding wheel, the roughing stage quickly removes excess material from the grinding wheel while the finishing stage maintains a good surface morphology.

The utility model discloses a tool for producing a water cooling plate. The tool comprises a machining table, and a first support and a second support are welded to the front side and the rear side of the lower end of the machining table. Mounting holes are formed in the periphery of the interior of the machining table, and movable pressing seat structures are connected into the mounting holes. An adsorption seat structure is fixed at the middle part of the processing table, and is characterized in that the movable pressing seat structure comprises a pressing plate, and a positioning screw rod is inserted into the pressing plate; the upper portion of the outer wall of the positioning screw is sleeved with a limiting plate. And a movable top seat structure is connected into the pressing plate. Through the arrangement of the movable pressing seat structure, the side face fixing effect is further improved, and the situation that sideslip occurs in the machining process, and consequently machining work is affected is avoided.

The utility model relates to the technical field of fixers for cab doors of engineering trucks, and discloses a fixer for a cab door of an engineering truck, which comprises an actuating mechanism, a V-shaped gasket is arranged at one end of the actuating mechanism, a bushing is arranged in the actuating mechanism, a sliding pin is arranged on the actuating mechanism, and the sliding pin is connected with the V-shaped gasket. A rubber space ring is arranged at the end, away from the V-shaped gasket, of the lining, a jacking shaft is arranged in the rubber space ring, a shell is arranged at the end, away from the rubber space ring, of the jacking shaft, a first spring is arranged in the shell, one end of the first spring is connected with the shell, and the other end of the first spring is connected with a threaded sleeve; one end, far away from the spring I, of the threaded sleeve is provided with a knob, and the knob is provided with a pin. According to the utility model, the main body is light and handy, the opening hand feeling is comfortable, the closing is gapless, and the structural reliability and the vibration resistance are good under high-frequency vibration and inertial impact.

The utility model discloses a small eave steel support machining mould which comprises a bottom frame, a side limiting piece, a transverse supporting piece and an inclined position adjusting piece, the side limiting piece, the transverse supporting piece and the inclined position adjusting piece are connected to the bottom frame, a vertical component is supported and limited through the side limiting piece, a transverse component is upwards supported and laterally limited through the transverse supporting piece, and a C-shaped piece is adjusted through a rotatable rotating plate. By means of the machining mould, angle steel supports which are designed to be the same in size and have the same straight line segment specification and size can be rapidly machined in batches in a factory, line production can be formed, the manual operation process is simple, the precision error value is controllable, and the production efficiency is improved. The time for manual moving and repeated assembling and aligning can be saved to a certain extent, and the working efficiency and the welding quality are improved.

The utility model provides a top cover convenient dismounting and mounting device for cleaning a filter element of a filter, and relates to the field of top cover dismounting and mounting equipment for overhauling the filter element of the filter. The lifting device further comprises strip-shaped flat steel, a mounting base, a first long screw rod, an earring-shaped nut, a mounting plate, a rotating pipe, an inner threaded pipe and a lifting assembly. The installation of the earring-shaped nut and the first long screw facilitates the manual operation of a worker, and meanwhile, the problem that the installation is difficult due to the fact that the operation space of a wrench is limited when a traditional hexagon bolt is disassembled and assembled is solved; the top cover can be lifted and deflected to one side of the filter only by rotating the hand wheel after the earring-shaped nuts are disassembled, so that the subsequent filter element replacement and maintenance process is carried out, the disassembly and assembly operation process of the top cover before and after the filter element of the filter is replaced is simplified, and the use effect is better.

The application discloses a continuously-operated multi-angle resin cleaning machine, and relates to the technical field of resin cleaning, in particular to a continuously-operated multi-angle resin cleaning machine. The cleaning mechanism can continuously clean resin parts in each carrier cage in sequence, the manual operation is simplified, and the cleaning efficiency is effectively improved; in addition, under the joint action of the first motor and the swing cylinder of the cleaning device, the mounting seat provided with the water gun can rotate while moving up and down, and the cleaning of the resin without dead angle is ensured.

This invention relates to the field of floor-mounted projection screen technology, specifically a floor-mounted screen with lockable screen height and a locking control method. An MCU module controls a motor to drive a rotating rod to rotate clockwise or counterclockwise to release the screen, and a monitoring module monitors the motor's operation in real time. When the desired position is reached, the MCU module stops the motor and simultaneously controls an electric push rod to drive a toothed locking module to act on a slide block. The interaction between the toothed locking module and the slide block achieves engagement and locking. This device is not only simple in structure, but also intelligently opens and retracts the screen using the control method provided, and can achieve locking control at a predetermined opening angle. This avoids the tediousness of manual operation and provides excellent control performance.

The utility model relates to a frame conveying system and a laminating device, the frame conveying system is used for conveying a frame installed outside an assembly during laminating operation, and the frame conveying system comprises a feeding workbench used for installing the frame for the assembly, a discharging workbench used for taking down the frame from the assembly and a conveying line used for conveying the frame; the feeding workbench and the discharging workbench are connected to the two ends of the laminating assembly line for achieving laminating operation respectively, the conveying line is connected with the feeding workbench and the discharging workbench, and the conveying line returns to the feeding workbench from the feeding workbench through the laminating assembly line, the discharging workbench and the conveying line to form a frame conveying loop line. The frames are automatically conveyed through the conveying line, manual carrying is replaced, the frame conveying speed is greatly increased, the manual waiting time is shortened, and the production efficiency is improved. The conveying loop line frame is arranged to be circulated, the resource utilization rate is improved, the manual operation process is simplified through mechanical conveying, and the working efficiency is improved.

This application relates to the field of aerospace manufacturing process equipment technology, specifically to a flexible paperclip winding machine for anodizing aerospace aluminum alloys, and particularly to a specialized tooling with adjustable dimensions for the efficient manufacture of paperclip fixtures. The positioning block is adjustable, allowing for rapid adaptation to the manufacturing needs of paperclip fixtures of different specifications; the guiding system ensures the straightness of the aluminum wire, and mechanical forming guarantees product consistency; manual operation is simple, reducing the skill requirements for operators; it can handle aluminum wire materials of different diameters and is suitable for various aerospace aluminum alloy materials; the winding machine adopts a modular design, allowing for quick replacement of key components, reducing equipment maintenance time and costs.

The utility model discloses a semiconductor test probe contact mechanism, which belongs to the semiconductor test field and comprises a mounting seat and two fixing seats, the two fixing seats are internally provided with mounting grooves, the mounting grooves are internally and fixedly connected with first springs, the end parts of the first springs are fixedly connected with limiting blocks, and the limiting blocks are arranged in the mounting grooves. According to the scheme, a second spring and a pressing rod with a chamfer are arranged, so that pressing operation is easy and smooth, an inclined block can be pushed by pressing the pressing rod downwards, the limiting block is driven to move, the clamping block is clamped to the upper portion of the clamping block, and the clamping block is clamped to one side of the limiting block; the clamping block is separated from the limiting block, the fixing base is convenient to disassemble and adjust, the second spring automatically resets after pressing, and manual operation is simplified; the handle below the clamping block further optimizes operation, the clamping block can slide conveniently, clamping connection and separation can be completed rapidly, and operation efficiency is improved.

The utility model belongs to the technical field of pretreatment of high-sulfur-chlorine waste, and discloses a pretreatment treatment device for high-sulfur-chlorine waste, which comprises a reaction kettle, a discharge pipe is fixedly mounted at the top of the reaction kettle, a crushing box is arranged at the top of the reaction kettle, and a circulating crushing component and a stirring component are arranged between the reaction kettle and the crushing box; according to the circulating crushing device, the circulating crushing assembly is arranged, specifically, large-block high-sulfur-chlorine waste is put into the crushing box, then the first motor drives the crushing roller to crush the waste, then the waste falls into the receiving hopper, the sweeping roller is driven to assist small-block waste to fall off from the screen under the action of belt transmission, and the large-block waste enters the feeding barrel through a pipeline; the feeding screw is driven by the second motor to circulate to the crushing box to be crushed again, manual operation is simple, repeated transfer is not needed, the manual operation process is simplified, and use is convenient.

The utility model provides a high-voltage-resistant automobile air conditioner wire harness, and belongs to the technical field of air conditioner wire harnesses. Comprising a damage prevention assembly, the damage prevention assembly comprises fixing seats fixed to the bottom of a supporting shell, damage prevention rings are arranged at the tops of the fixing seats, open grooves are formed in the damage prevention rings, rotating shafts are rotationally arranged on the damage prevention rings through the open grooves, rotating plates are rotationally arranged on the rotating shafts, guide wheels are arranged on the rotating plates, and second elastic pieces are fixed to the bottoms of the guide wheels; the fixing base is stably installed at the bottom of the supporting shell, an open groove is formed in a damage prevention ring at the top of the fixing base, the rotating shaft is installed on the damage prevention ring through the open groove and can rotate, the angle of the rotating plate rotationally arranged on the rotating shaft can be adjusted along with the rotating shaft, the guide wheel above the rotating plate can make contact with the wire harness, and when the wire harness moves, the guide wheel rotates to reduce friction; one end of the second elastic piece at the bottom of the guide wheel is fixed with the guide wheel, the other end is connected with the anti-damage ring, and the second elastic piece provides buffering when the wire harness is pressed or shakes.

The utility model discloses a kind of EVA pad rubber sheet mounting equipment for loudspeaker processing, belong to a kind of mounting equipment in the technical field of sound processing equipment, comprising: the upper end surface of workbench is provided with rotating support platform;Jig is provided with several, several The jig is set on the rotating support platform;Support platform rotation control component, support platform rotation control component is placed below the workbench and is used for the horizontal rotation control of the rotating support platform;Horizontal operation sliding rail component is installed horizontally by vertical fixed setting on the mounting column component of workbench;And slidingly set on the horizontal operation sliding rail component has lifting base component, the movable end of lifting base component is provided with cylinder hand grab, the cylinder hand grab is provided with turnover clamping component. The utility model provides a kind of EVA pad rubber sheet mounting equipment for loudspeaker processing, realizes the automation of EVA pad rubber sheet on loudspeaker and installs, improves processing efficiency.

The invention discloses a Chinese character font generation method and a terminal, and the method comprises the steps: obtaining a font file, and extracting a Chinese character image set from the font file, the Chinese character image set comprising a first source font image set and a first target font image set; training a font generation model according to the first source font image set and the first target font image set, and inputting a second source font image set into the trained font generation model to obtain a second target font image set; and converting the second target font image set into a vector image set, and creating a new font file according to the vector image set. Through the trained font generation model, the second target font image set is generated according to the second source font image set, automatic image generation and image visual style conversion are realized, the generated bitmap image is converted into the vector image, the font is created according to the vector image, the font design efficiency is improved, and the font design efficiency is improved. And diversified design requirements and application scenes are met.

The utility model discloses an adjusting device of an automobile hub spinning machine, which belongs to the technical field of automobile hub spinning machines and comprises a base, a plurality of limit shafts are slidably connected in the base, the tops of the limit shafts are fixedly connected with a supporting plate, the bottoms of the limit shafts are fixedly connected with second plates, and the second plates are fixedly connected with the supporting plate. The bottom of the second plate is rotationally connected with a deflection mechanism. A pushing mechanism meshed with the fluted disc is slidably connected into the base, a second air cylinder slidably connected with one end of the pushing mechanism is fixedly connected into the base, and the other end of the second air cylinder is connected with a ventilation mechanism. Vertical lifting adjustment of the lower die base is achieved through the deflection mechanism, the lever principle is used for amplifying displacement, adjusting sensitivity is improved, air pressure change is converted into fluted disc rotating motion through the pushing mechanism, transmission stability and adjusting precision are ensured, and power is transmitted through the ventilation mechanism by means of air pressure. And the stability of the lower die holder in the lifting process is ensured.

The utility model provides a gas connecting pipe convenient to install. The gas connecting pipe convenient to install comprises a first gas pipeline, a second gas pipeline and a sealing connecting mechanism, sealing through grooves are formed in the inner walls of the ends, close to each other, of the first gas pipeline and the second gas pipeline, and the first gas pipeline and the second gas pipeline are connected and fixed through the sealing connecting mechanism; the sealing connecting mechanism comprises a connecting sleeve, a first sealing ring, two rotating lantern rings, two inner threaded sleeves, two second sealing rings, two rubber rings and two first through inserting grooves. According to the gas connecting pipe convenient to install, by rotating the lantern ring and the internal thread sleeve and utilizing the external threads opposite to the threads on the connecting sleeve, an operator only needs to rotate the internal thread sleeve, rapid connection and separation of the first gas pipeline and the second gas pipeline can be achieved, complex tools are not needed, the installation difficulty is greatly lowered, and the installation efficiency is improved. The installation time is shortened, and the working efficiency is improved.