329results about How to "Reasonable and reliable structure" patented technology

The invention discloses a bottom power taking self-locking electric bus battery box system capable of quickly changing a battery. The system comprises a battery box (1), a tray (2) used for bearing the battery box and arranged on an electric bus, mobile equipment (4) for conveying the battery box, and a grabbing device (5) arranged on the mobile equipment; and a battery box locking and unlocking device (3) is arranged on the tray. Through the system, automatic assembly of the battery box in the electric bus battery box system is realized, and the problems of over positioning, deformation of power wire connection pegs, breakage, arc discharge, welding, difficulty in automatically realizing unlocking due to impact of the battery box to a bolt of a locking mechanism in jolt and deformation of the battery box due to impact in jolt. The system is reasonable, reliable, simple and compact in structure, and can full-automatically, quickly and conveniently realize quick change of the power battery.

The invention belongs to the technical field of pressure sensors, particularly relates to a high-temperature pressure sensor and a production method thereof and solves the problem that the existing pressure sensor fails to operate normally in environments of high temperature, moistness and the like due to the insufficiently reasonable design. The high-temperature pressure sensor comprises four layers. A planar square spiral inductor and a capacitor upper electrode are made on the first layer by pasting; a sealed pressure cavity is arranged on the second layer; a capacitor electrode is made on the fourth layer by pasting and is connected with an inner circular core of the top planar square spiral inductor. The production method includes filling the pressure cavity with carbon paste; subjecting the laminated structure to high-temperature sintering to volatilize carbon from air holes so as to form a complete cavity; and after sintering, placing glass beads at the air holes to allow for secondary sintering sealing. The high-temperature pressure sensor is capable of operating at normal temperature and high temperature more than 400 DEG C, and is simple in structure, small in size, simple in manufacture process and easy for industrial production.

The invention relates to a device for testing material properties in a high-temperature hydrogen environment. The device comprises a hydrogen environment box and a host machine loading framework, wherein a test sample is arranged in the hydrogen environment box; a pull rod is mounted on the host machine loading framework; the hydrogen environment box is arranged on the host machine loading framework; an upper clamping part, a lower clamping part and an electrical heating component are arranged in the hydrogen environment box; the pull rod penetrates through the hydrogen environment box and is fixedly connected with the lower clamping part; the hydrogen environment box is connected with a hydrogen supply pipe; an air-relief solenoid valve is arranged on the hydrogen environment box. The device further comprises sensors and a control component, wherein the sensors are used for monitoring test sample stress load, test sample deformation, test sample environment temperature and test sample ambient hydrogen pressure; the control component is used for monitoring and processing the information collected by the sensors. The device can be used for testing the creep property, stress rupture property and tension-tension alternating load fatigue property of a metal material in the hydrogen environment, can ensure the accuracy of testing results, works reliably and stably and has high efficiency.

The invention provides a deep sea optical cable and producing method thereof, relating to a deep sea optical cable with a tension-resistant compact composite structure and producing method thereof. The structure of the deep sea optical cable comprises a plurality of full chromatogram high-strength optical fibres, high-strength anti-corrosion stainless steel tubes, ointment exclusive for sea cable optical fibre, special-high-strength armouring wires with three diversified diameters, a heavy viscous waterproof agent, metallic conductor brass pipes, organic plastic composite materials, and a polythene insulation material protective layer. High-strength anti-corrosion stainless steel tubes are sleeved on several full chromatogram high-strength optical fibres, ointment exclusive for sea cable optical fibre is filled into the high-strength anti-corrosion stainless steel tubes, special-high-strength armouring wires with three diversified diameters are inlaid on the outside of the high-strength anti-corrosion stainless steel tubes and are filled with heavy viscous waterproof agent of sufficient amount, the special-high-strength armouring wires are covered with the metallic conductor brass pipes, so that special tension-resistant compact composite structure is formed. Organic plastic composite materials are added on metallic conductor brass pipes, and then an insulation material protective layer is extruded thereon.

The invention discloses a progressive die of a concave bayonet bloop and a production method of the concave bayonet bloop. The progressive die of the concave bayonet bloop comprises an upper die and a lower die matched with the upper die, and a bloop material strap goes forward between the upper die and the lower die; in the advancing direction of the bloop material strap, the lower die is sequentially provided with a lower die punching insert core used for punching the bloop material strap, a lower die pre-bending insert core used for concave bayonet half forming, and a lower die blocking foot bending insert core used for blocking foot forming; the upper die is provided with a punching plunger chip matched with the lower die punching insert core, a pre-bending insert core matched with the lower die pre-bending insert core, and a blocking foot bending plunger chip matched with the lower die blocking foot bending insert core. The progressive die is high in production automation degree, productivity and quality of products are greatly promoted, manual operation safety is high, labor intensity is also greatly weakened, manpower and drilling crews are saved, production management is convenient and fast, and customer order response ability is high.

An electromagnetic valve type urea solution injector relates to an injector, and comprises an electromagnetic valve type injecting body, and an injecting nozzle, wherein the electromagnetic valve type injecting body and the injecting nozzle are connected into a whole through an injecting nozzle connecting rod; the injecting nozzle comprises a valve seat, a sealing steel ball mounted at a valve, a spraying orifice plate provided with a spraying orifice and mounted at the front end of the valve, and a step hole is formed between the front end part of the valve seat and the spraying orifice plate to form a turbulent cavity A ; a heat-insulating sleeve is arranged on an excircle at the front end of the valve seat for preventing heat energy of a tail gas discharge pipe from passing into the injecting nozzle; and a single-orifice atomization structure is arranged in the injecting nozzle. The electromagnetic valve type urea solution injector can work in high-temperature and high-speed gas with long-term stability and very high reliability, has low possibility of blockage, and better solves the problem that the spraying orifice can be blocked up by urea crystals. The invention also has the advantages of low manufacturing cost, short maintenance time of the product, reasonable structure and convenience in installation, etc.

The invention relates to an automatic tension control system and a method thereof, relating to a system and a method for applying pre-stress on a pre-stressed component in civil engineering. The system comprises an electric oil pump, a hydraulic jack, a controller of the automatic tension control system, a data relay controller and a computer. A pull rod type displacement sensor and a pressure sensor are arranged on the hydraulic jack. Control valve rods of left and right control valves of the electric oil pump are connected with a stepping motor. The controller of the automatic tension control system comprises a MCU (Micro-programmed Control Unit) single chip microcomputer, functional keystrokes, a displacement collection unit, a pressure collection unit, a buzzing and alarming unit, a display unit, a driving module, a motor steering output unit, a motor steering and stopping output unit and a motor pulse output unit. The method comprises the steps of tensioning, unloading and the like. According to the system and the method disclosed by the invention, the tension precision can be increased; the tension uncontrolled accident of the pre-stressed reinforcing steel can be effectively avoided; the system and the method have the characteristics of being simple in structure, low in cost, safe, reliable, low in quality monitoring difficulty, simple in method and convenient for operation; and the system and the method are applied to various fields.

The invention discloses an electric privacy shower room which comprises a frame, fixed shower glass and movable shower glass. The fixed shower glass is fixedly installed in the frame, and the fixed shower glass and the movable shower glass are made of privacy glass. The electric privacy shower room further comprises a privacy glass control unit, a movable shower glass control unit, a control system, wherein the privacy glass control unit is used for controlling the privacy glass to be electrified and transparent; and the movable shower glass control unit is installed in the frame and used for controlling the movable shower glass to be opened or closed. The control system comprises a power supply, a controller and a control switch. The power supply, the control switch, the privacy glass control unit and the movable shower glass control unit are respectively connected with the controller. The control switch is regulated to start the controller to perform motion, and the controller is started to control the movable shower glass control unit to be started or shut down and control the privacy glass control unit to be electrified and transparent. The electric privacy shower room is rational and reliable in structure, high in sensitivity, convenient to control and entirely transparent and attractive.

The invention relates to the field of automatic target scoring equipment, in particular to a curve distribution type shock wave automatic target scoring system. The curve distribution type shock wave automatic target scoring system comprises a walking mechanism and a target frame assembly; the target frame assembly comprises a target rod, a mounting groove seat and a target plate; a sensor support is arranged in a groove cavity of the mounting groove seat, and sensors are arranged on the sensor support; the sensors are sequentially arranged along the same circumferential line, and the center of the circumference is located in the direction of the induction ends of the sensors; the center of the circumference is located on a connecting line of the middle sensor and the central point of target paper; when the circumferential line formed by the sensors is located on the minimum radius, the center of the circumference is located on the central point of the target paper; the target plate is in a square flat tube shape, and the sensor support is located in a cavity defined by the target plate and the mounting groove seat; and a splinter-proof plate for protecting the sensors is located on the face whether the face of the mounting groove seat is in the shooting direction. The curve distribution type shock wave automatic target scoring system is reasonable and reliable in structure, therefore, the working reliability of the equipment is ensured, and meanwhile, the target scoring precision and the target scoring efficiency are further improved.

The invention is applicable to lighting device field and discloses a lighting device which comprises a light body, a first bracket body, a second bracket body and connecting rods; wherein the light body is fixedly connected on the second bracket body, the first bracket body and the second bracket body are hinged on the connecting rods respectively, a first gear member is rotationally arranged on the first bracket body, a second gear member is fixedly connected on the second bracket body, and the first gear member is engaged with the second gear member; a poking-hinging assembly is arranged on the first bracket body or the second bracket body; the poking-hinging assembly comprises a fixed seat, a poking-hinging rod and an elastic sheet which is used for limiting the position of a poking-guiding rod, a sliding chute is arranged on the fixed seat, the top end of the poking-hinging rod is arranged in the sliding chute in a sliding way, the fixed seat is fixed on the first bracket body, and the elastic sheet is fixed on the fixed seat. The lighting device is convenient for adjusting the lighting angle of the light and has high practical applicability and is convenient for a user to use.

The invention provides a multipurpose spectrophotometer and particularly relates to a spectrophotometer which is used for spectrum analysis. The multipurpose spectrophotometer comprises a light source, a collimation lens A, a cuvette device, a slit, a collimation reflection mirror A, an optical grating and a linear array photoelectric conversion device, wherein the cuvette device comprises a cuvette bracket and cuvettes; the cuvettes comprise a conventional cuvette and a flowing cuvette; the flowing cuvette is internally provided with a flowing colorimetric channel and the diameter of the flowing colorimetric channel is gradually increased along a flowing direction; the top of the cuvette main body is provided with a sample feeding pipe and a sample discharging pipe; the pipe diameter of the sample discharging pipe is greater than that of the sample feeding pipe; and the sample feeding pipe is connected with a liquid chromatogram flowing-in pipe through a pipeline connector. The conventional cuvette can realize the function of a common spectrophotometer and the flowing cuvette can be used as a liquid chromatogram multichannel luminosity detector; and trace colorimetry can be realized by the flowing cuvette and a trace feeding device. According to the multipurpose spectrophotometer disclosed by the invention, one machine has a plurality of functions, the use cost of an instrument is reduced, the utilization efficiency of the instrument is improved, the integration degree of the instrument is enhanced, and the reasonability of resource configuration of middle-sized and small-sized laboratory instruments is improved.

The invention relates to a dual-purpose electric iron which comprises an iron main body and a charging base connected with a power wire. The back end of the iron main body is provided with a main body connecting part, the charging base is provided with a base connecting part, and the main body connecting part and the base connecting part are connected in a locking mode through a locking mechanism or separated from each other and are electrically connected through an electric connecting part or separated from each other. According to the dual-purpose electric iron, the iron main body not only can achieve wired operation by being locked with the charging base, but also can achieve wireless operation by being separated from the charging base, and the advantages of the two modes are combined; in addition, the structure is reasonable and reliable, and the design is more humanized.

The invention provides an adjustable glaucoma drainage tube.The adjustable glaucoma drainage tube comprises a hollow wide rubber tube arranged close to the equator portion of an eyeball, a movable inner core and a thin drainage tube body.Inner tubes with the same length are arranged in the hollow wide rubber tube in the length direction of the hollow wide rubber tube.Several micropores perpendicular to the inner tubes are formed in the wall of the hollow wide rubber tube to make the inner tubes communicate with the outer portion of the hollow wide rubber tube.The tail end of the thin drainage tube body is communicated with the inner tubes of the hollow wide rubber tube, and the front end of the thin drainage tube body is inserted in an anterior chamber.The front end of the movable inner core swells to prevent aqueous fluid from continuing to be drained to the far ends of the inner tubes of the hollow wide rubber tube.After an operation, the length of a cavity in the front end of the hollow wide rubber tube is adjusted by adjusting the position of the movable inner core, and then the aqueous fluid drainage volume is adjusted; the movable inner core is pulled out to increase the volume of the aqueous fluid drained into inner cavities of the hollow wide rubber tube, and the intraocular pressure of orbital tissue is reduced; when the movable inner core is pushed to the near end, the volume of the aqueous fluid drained into the inner cavities of the inner tubes is reduced, and then the intraocular pressure is increased.According to the device, the aqueous fluid drainage volume can be adjusted according to clinical needs after the operation, half quantitative adjustment can be carried out, and therefore the purpose of adjusting the intraocular pressure is achieved.

The invention relates to large cross-section coiling steel uncoiling equipment, solving the problem that the rough straightening can not be carried out on large cross-section coiling steel because no large cross-section coiling steel uncoiling equipment exists at present. The rear wall of a stand is articulated with a press plate and fixed with a support seat; the upper part of the support seat is articulated with a support plate; a first oil cylinder articulated with the press plate and a machine base is arranged between the press plate and the rear wall of the machine base, and a second oil cylinder is fixed on the press plate; the end part of the second oil cylinder is provided with a pinch roller; the rear part of the press plate is provided with a press roll; the press roll is provided with a rotary driving mechanism; a third oil cylinder articulated with the support plate and the support seat is arranged between the support plate and the lower part of the support seat; and a shovelling plate lower than the axle center of a sleeve in height is placed on the machine base. The invention has reasonable and reliable structure design, not only enhances the power of the head straightening of the large cross-section coiling steel, but also plays a role of pinching coiled bar steels, realizes the uncoiling and the integral straightening of the large cross-section coiling steel and has the advantages of reasonable structure, convenient operation and lower cost.

The invention relates to a spinning-in pull rod device for a false twist texturizing machine. Six left spinning-in pull rods (5), six right spinning-in pull rods (6) are fixed on a yarn guide base plate device (1) and a guide rail seat device (20); the yarn guide seat plate device (1) and the guide rail seat device (20) are fixed on a lower frame (24) and an upper frame (25) through a base plate (3) and a bracket (4); a yarn guide base plate (9) is connected with a spring steel clamp (2); a yarn guide porcelain (7) is arranged on the yarn guide base plate (9); a slide block (4) is arranged ona pull rod (22), and is in slide connection with a guide rail (10); a swing arm (12) is fixedly connected with the slide block (4) which is provided with a space ring (13) and a sheath (19); the swing arm (12) is provided with a sheath (19) which is provided with a yarn guider (15) and a twist stop (11); and a swing arm guide rail (17) and a clapboard (18) are arranged on a guide rail base plate (16). The spinning-in pull rod device is simple in structure, low in manufacturing cost, convenient to install and regulate, and convenient and reliable to operate.

The invention provides a double-shell symmetric radially-split multi-stage centrifugal pump with a first-stage double-suction structure. The centrifugal pump comprises an outer cylinder body, whereinthe left end and the right end of the outer cylinder body are provided with a suction side stuffing box body and a pump cover through sealing structures respectively, and a central shaft is coaxiallyassembled in the middle of the outer cylinder body; the central shaft is provided with a cartridge component located in an installation cavity of the outer cylinder body, wherein three annular cavities are formed by the cartridge component and the inner wall of the outer cylinder body through closed shoulders, and the three annular cavities comprise a suction cavity, a discharge cavity and a transition cavity from left to right in sequence; and the cartridge component comprises a first section, a middle section and a tail section which are sequentially connected from left to right, and a firstimpeller, middle impellers and tail impellers which are annularly fixed on the central shaft are assembled in the inner cavity of the first section, the inner cavities of the middle section and the inner cavities of the tail section respectively. According to the centrifugal pump, cavitation resistance is improved, the secondary impellers are arranged back to back, so that axial force of a multi-stage pump rotating part is self-balanced, and higher safety is realized.

The invention discloses a book ATM and a book catching manipulator with a thickness measurement function, and relates to a book ATM and a book catching manipulator thereof. The manipulator comprises a shell assembly, a motor, a screw clamping plate assembly and a transmission assembly, wherein the screw clamping plate assembly comprises catching manipulator clamping plates, a rotary supporting block, a spring, a screw nut, a bidirectional screw, a screw nut limiting block and a thickness measurement function; the book ATM comprises a bookshelf, a book catching machine, a frame and a control system; book grids are arranged on the book shelf; the book catching manipulator is mounted on the book catching machine; the widths of the book grids are non-uniformly set according to the thicknesses of different books; and the output end of a displacement sensor of the book catching manipulator is connected with the control system. The book ATM can reasonably and fully make use of a visible book storage space of the bookshelf of the book ATM, can accurately measure the thicknesses of the books, and is reasonable and reliable in structure, low in cost and easy to popularize and use.

The invention discloses a pressure-adjustable infusion device for a neurointervention operation. The pressure-adjustable infusion device comprises a pressure-adjustable infusion device body, a shell, a display screen, a key area, a handle, a motor control module, a data processing module, a dynamic balance module, an embedded plate, a limiting plate, an infusion tube, a driving motor, a driving shaft, a flat key, a conductor, an insulating sleeve, a supporting plate, a cam, an open hole, an electric push rod, an adjusting plate, a protrusion, an abutting rod, a pressure sensor, a controller, a connector, a push rod, a groove, a spring, a push block, an inclined surface, a threaded rod, a knob, an adjusting block, a cover plate, a limiting block, a friction strip, an opening, a guide plate, a baffle and a bolt. The pressure-adjustable infusion device has the advantages that infusion pressure can be adjusted while infusion is conducted in a peristaltic mode, the pressure-adjustable infusion device is also suitable for use of infusion tubes of different models and infusion of different liquid medicine, pressure adjustment can be achieved without resetting the infusion pressure, the pressure-adjustable infusion device is suitable for being used under the condition that the infusion precision requirement is high, and safe and stable infusion is realized.

The invention relates to a design and construction method for a flexible composite, seepage-proofing, fabricated and recyclable row pile supporting structure with a circular cross section. The design and construction method comprises the following steps: (1) constructing row piles with circular cross sections; (2) installing section steel top beams; (3) installing steel panels and performing post-grouting on the steel panels; (4) excavating in layers and sections sequentially in the vertical direction; (5) repeating the steps (3) and (4), and constructing up to the design depth; and (6) performing recycling step by step along with pit backfill after the supporting structure completes the using function. The flexible composite, seepage-proofing, fabricated and recyclable row pile supporting structure with the circular cross section constructed by adopting the design and construction method has the advantages that high safety and reliability are achieved, the construction is fast, the technology is advanced, high recyclability and reusability are achieved and the comprehensive economy and environmental protection indexes are superior, is a new method with advanced technology, high safety and reliability, high recyclability and reusability and superior comprehensive economy and environmental protection indexes for excavation and support of projects such as foundation pits, side slopes, subway stations, municipal pipelines and the like, and further has a considerable development and application prospect.

The invention relates to a material descending aircraft for a space station. The aircraft comprises a loading cabin, a heat prevention shell, supporting rods and antennas. The loading cabin is used for bearing loads; the heat prevention shell surrounds the loading cabin and is used for buffering and heat insulation; the supporting rods are located between the loading cabin and the heat preventionshell and used for connecting the loading cabin with the heat prevention shell; the antennas are arranged on the loading cabin; a hollow layer is arranged between the loading cabin and the heat prevention shell. The material descending aircraft for the space station is low in cost, large in loading amount and reasonable and reliable in structure.

The invention discloses a panoramic electronic rearview mirror capable of eliminating a visual blind area of an automobile. The rearview mirror comprises a rearview mirror shell, a button, a lens, an abutting block, a protrusion, a sound amplification hole, a protruding shaft, a through hole, a screw rod, a connecting shaft, a mounting handle, a wiring hole, an upper opening, a fixing shaft, a rotary knob, a pressing block, a lower opening, a mounting connector, a mounting block, a wiring groove, a threaded hole, a mounting plate, an image acquisition module, an image analysis module, an image processing module, a voice control module, a screw, a panoramic display screen, an image control module, a driving display screen, a vehicle body, an outside rear-view mirror, a high-definition camera and a panoramic camera. The invention has the beneficial effects that the panoramic camera is adopted for shooting the rear part of the vehicle, the observation blind area of the rearview mirror is eliminated, the following distance and the vehicle speed of the rear vehicle are detected, the feasibility can be automatically judged when the vehicle changes the lane, a driver can conveniently and quickly judge whether the vehicle changes the lane or not, while the comfort of the driver is ensured, safety guarantee can also be brought to driving.

The invention relates to an indexable type micro multifunctional numerical control machine; wherein, a main motor, a driving wheel, a main spindle box and a chuck are sequentially connected; the main spindle box and a main spindle box base are fixedly connected; a sliding upright column, a round rotary table, a spacing guiding sliding block and a sliding guiding rail are arranged in inner cavity of a horizontal type bed body and can be translated from left to right; an end of the round rotary table is articulated with the spacing guiding sliding block and the other end is connected with the sliding upright column which is externally fixedly connected with the sliding guiding rail; the main spindle box base is fixedly connected with the upper surface of the sliding guiding rail; the sliding upright column is internally provided with a lead screw which is connected with a lead screw feed motor; a locking block is arranged along left end of the guiding rail of the bed body and a limit switch is arranged at the left end part of the guiding rail of the bed body; a bed body step is equipped at the bottom of the bed body at the left end; an inner cavity locating groove is arranged at the bottom of the horizontal type bed body; the horizontal type vehicle main spindle box base is locked with a horizontal vehicle body by a locking device; the spacing guiding sliding block, etc. are translated to the left along the inner cavity of the horizontal type bed body and rotate clockwise with 90 degrees around an articulated pivot of the round rotary table and the spacing guiding sliding block, thus showing a vertical milling numerical control machine. The indexable type micro multifunctional numerical control machine has the advantages of small volume and wide use.

The invention belongs to the technical field of gas cylinder application, and discloses a gas cylinder stamping integrated forming device. The device comprises a bottom plate, a supporting rod, a top plate, a side plate, a guide plate, a guide block, a conveying plate, a rack, a guide groove, a fixing base, a conveying motor, a conveying gear, a clamping plate, an electric push rod, a mold base, a notch, a supporting plate, a side plate, a first hydraulic cylinder, a fixing plate, a second hydraulic cylinder, a closing-in mold, a guide rod, an opening, a gas cylinder blank, a third hydraulic cylinder, a mounting plate, a fixing rod, a gear disc, an embedded plate, an adjusting motor, an adjusting gear, a movable plate, an inserting groove, a sliding groove, a wedge-shaped block, a connecting rod, a side pressing plate, a stamping die and an embedding groove. According to the present invention, a splicing type die base is adopted for punch forming of the gas cylinder, the rapid punch forming of the cylinder bottom and the cylinder body is achieved, and the punch forming efficiency is improved; a closing-in function is achieved, so that the integrated forming effect of the gas cylinder is guaranteed; the rapid conveying of the gas cylinder is achieved by opening the die, and the working efficiency of the gas cylinder stamping integrated forming device is improved.

The invention discloses a grooving machine for processing anti-cracking grooves of a steam pressurized concrete plate, and belongs to the field of processing devices. The grooving machine is used for processing the concrete plate, and comprises a chassis crane, wherein a transverse moving rack moving relative to the chassis crane is mounted on one side of the chassis crane, a main shaft driving device is mounted on the transverse moving rack, a rotating spindle is connected with the output end of the main shaft driving device, and a plurality of circular saw blades are distributed on the rotating spindle in the length direction of the rotating spindle. According to the technical scheme, the anti-cracking grooves can be continuously and efficiently processed after a finished plate is taken out of a kettle, the cutting quality of the anti-cracking grooves is reliable, manual intervention is not needed, the labor intensity is remarkably reduced, and energy conservation and consumption reduction are achieved.

The invention discloses a dynamic human brain effect connection identification method based on a non-stationary dynamic Bayesian network. The method comprises the steps of obtaining the functional magnetic resonance imaging data; preprocessing the original image data by using a DPABI software package; selecting a brain region needing to identify the effect connection as a region of interest; identifying the brain effect connection of the extracted region of interest by using a non-stationary dynamic Bayesian network method; and observing a dynamic brain effect connection network constructed bythe non-stationary dynamic Bayesian network at different moments, and analyzing the brain effect connection network at different moments so as to further understand the internal mechanism and the operation mode of a brain. According to the method, the dynamic Bayesian network method is used as a basic framework method, and the dynamic human brain effect connection network changing along with timecan be constructed from the fMRI time series data.

The invention provides a metal tubing two-end molding mechanism which comprises a second molding clamping mechanism, a third molding clamping mechanism, a horizontal switchover mechanism, a molding push mechanism, a cutting mechanism, a first translation molding ejection mechanism, a second translation molding ejection mechanism and a first molding clamping mechanism. The cutting mechanism, the first translation molding ejection mechanism, the second translation molding ejection mechanism and the first molding clamping mechanism are respectively arranged on the molding push mechanism. The first translation molding ejection mechanism and the second translation molding ejection mechanism are arranged at two sides of the first molding clamping mechanism in the pushing direction of the molding push mechanism. The cutting mechanism is arranged behind the first molding clamping mechanism. The horizontal switchover mechanism is arranged in front of the first molding clamping mechanism. A tube front end punch is arranged on the horizontal switchover mechanism. The second molding clamping mechanism and the third molding clamping mechanism are respectively arranged on the horizontal switchover mechanism and distributed in the movement direction of the horizontal switchover mechanism. The metal tubing two-end molding mechanism is capable of not only chambering and molding the front end of a tube, but also chambering and molding the rear end of the tube.