564results about How to "Easy transfer" patented technology

The invention discloses a preparation method and application of an iron-doped molybdenum disulfide / polymer-based composite solid-state electrolyte, and relates to the technical field of solid-state batteries. After the iron element is doped, defects are introduced into the structure of the modified molybdenum disulfide, phase change is induced, dissociation of the lithium salt is promoted through synergism of the modified molybdenum disulfide and the iron element, and more free lithium ions are released; and meanwhile, the proportion of an amorphous region of the polymer electrolyte is increased, so that the ionic conductivity is improved, and the oxidation resistance is enhanced. In addition, the iron-doped molybdenum disulfide can effectively catalyze decomposition of lithium salt anions, and construction of a uniform and stable solid electrolyte interface (SEI) layer on the surface of the electrode is facilitated. The all-solid-state lithium metal battery assembled based on the modified solid electrolyte shows excellent electrochemical performance.

The utility model discloses an optical module test system which comprises a rack, a mechanical arm is arranged on the rack, and a feeding station, a code scanning station, an end inspection station, a plugging station, a test station and a discharging station are arranged on the periphery of the mechanical arm. The plugging station is used for connecting or separating the optical module and the optical fiber; the code scanning station is used for identifying and acquiring information of the optical module; an end detector is arranged on the end detection station; a high and low temperature detector is arranged on the test station; the manipulator is arranged to transfer materials among the stations, automation of the optical module testing process is achieved, manual operation is reduced, testing efficiency and accuracy are improved, and labor cost and personal errors are reduced. In addition, all the stations are arranged around the manipulator, the structure is compact, the occupied space is small, the system is particularly suitable for use scenes with high requirements for the site and the occupied area, meanwhile, operation of the manipulator and circulation of materials are facilitated, and the operation efficiency of the system is improved.

The invention relates to an S-doped g-C3N4 coated modified graphite material, a preparation method thereof and a lithium ion battery negative electrode. The method comprises the following steps: mixing a g-C3N4 precursor with a sulfur source, and then carrying out heat treatment under the condition of shielding gas to obtain sulfur-doped graphite phase carbon nitride S-g-C3N4; carrying out plasma modification treatment on the surface of the graphite material by adopting plasma reaction gas to obtain modified graphite; mixing S-g-C3N4 with the modified graphite to obtain a mixed material; and calcining the mixed material in a protective gas environment to obtain the S-doped g-C3N4 coated modified graphite material. The invention also provides the graphite material prepared by the method and a lithium ion battery negative electrode prepared from the graphite material. The graphite material has relatively high conductivity, interface compatibility and structural stability.

The utility model discloses an end cover packaging and cleaning device which comprises a packaging frame, the packaging frame comprises a storage rack and a packaging cage for containing the storage rack, the storage rack is provided with a plurality of fixing rods, and one side of the packaging cage is provided with a lifting grabbing lug; the turnover device comprises a turnover base and a turnover base table rotationally connected with the turnover base, and a turnover driving device is arranged in the turnover base and the turnover base table in a penetrating mode; the functional cleaning tank comprises an ultrasonic cleaning tank, a first cold water tank, a second cold water tank, a hot water tank and an anti-rust liquid tank which are arranged in sequence; the lifting device is used for lifting the pallet from the turnover device to the functional cleaning tank; the electric vehicle end cover cleaning device can effectively solve the problem that an existing cleaning mode is poor in batch cleaning efficiency, and an efficient and feasible solution is provided for the electric vehicle end cover cleaning industry.

The invention relates to an N-pole module assembly of a circuit breaker and the circuit breaker. The N-pole module assembly of the circuit breaker comprises a main body function module and a current detection module, and further comprises a first N-pole conductive plate fixedly integrated on the main body function module and a second N-pole conductive plate fixedly integrated on the current detection module, and the main body function module and the current detection module are respectively two independent modular structures. And the first N-pole current-conducting plate and the second N-pole current-conducting plate are fixedly and electrically connected to form an N-pole electric loop. According to the invention, the complicated bending and wiring process of the soft wire in the N-pole module assembly in the prior art is avoided, the assembly is convenient, and the automatic assembly can be realized. Moreover, through the special arrangement of the relative positions of the N-pole electric loop and the L-pole electric loop, the Lorentz force generated by the magnetic field generated by the current on the N-pole electric loop on the electric arc in the circuit breaker unit can assist the electric arc to be further pushed and lengthened, and the effect of enhancing the magnetic quenching function can be achieved.

The utility model discloses a kind of flexible spandex knitted fabric, belong to the technical field of knitted fabric, including surface layer and bottom layer, the surface layer adopts every four-way one loop system circular knitting, adopts front and back needle bed double knitting, first road and third road adopt single-bead ground stitch knitting as upper layer, second road and fourth road adopt rib weave as lower layer, and the upper layer and lower layer are connected by tuck, the surface layer of the utility model adopts every four-way one loop system circular knitting, in one loop system, first road and third road adopt single-bead ground stitch knitting as upper layer, second road and fourth road adopt rib weave as lower layer, and the upper layer and lower layer are connected by tuck, surface layer has obvious concave-convex effect, make skin and clothing appear a transmission channel, make sweat quickly discharge from human body, make the fabric prepared by knitted fabric more close-fitting and breathable, the upper layer and lower layer of surface layer all adopt brocade ammonia fiber, have the strength of brocade and the elasticity of spandex, to have better close-fitting wearability.

The utility model relates to the field of medical apparatus and instruments, disclose a endoscope pretreatment partition container device, including support frame, enzyme liquid cup, support frame includes bottom plate, upper layer board, vertical support plate, handle, support foot, bottom plate and upper layer board are arranged in parallel, be equipped with two vertical support plates between bottom plate and upper layer board, the bottom fixed support foot of bottom plate, be equipped with a plurality of placing hole for placing enzyme liquid cup on upper layer board, be equipped with handle for shifting support frame on upper layer board, a plurality of enzyme liquid cups are placed in corresponding placing hole, enzyme liquid cup is transparent plastic material, be equipped with scale on enzyme liquid cup. The utility model can improve the pretreatment efficiency, satisfy one use one change, prevent cross infection, quantitative use cleaning fluid, avoid cleaning fluid waste, ensure the accuracy of enzyme liquid concentration.

The utility model discloses a spherical mirror support, including base and support component. The base is equipped with a plurality of insertion hole, is equipped with support piece and clamping piece among the support component, and support piece inserts into the insertion hole, and keeps the upper end and clamping piece connection, is equipped with three clamping arms on clamping piece, and the middle of three clamping arms forms the clamping area, and is equipped with a plurality of clamping arc groove on clamping arm. The spherical mirror support compact structure, clever design, adopts clamping piece and support piece cooperation, forms clamping assembly, and it can realize clamping arc groove and the installation edge cooperation of spherical mirror through setting up a plurality of clamping arc groove on clamping piece, thereby realizes the spherical mirror being limited in clamping arc groove, not only can keep the position of spherical mirror, can also avoid directly with spherical mirror's arc surface contact, avoid the friction to spherical mirror. The setting of support piece and base can be convenient for the placement of support component, also can be convenient for the transfer of multiple spherical mirror.

A stratified soil sampling device, relating to the technical field of soil sampling equipment, includes a positioning outer cylinder and a sampling inner cylinder rotatably installed within it. The positioning outer cylinder is equipped with a supporting base plate, a supporting top plate, and a transparent observation window. Three sets of auxiliary support frames are hinged to its outer periphery, working in conjunction with positioning pins to achieve stable positioning. Above the supporting top plate are a telescopic cylinder, a triangular lifting plate, and a transmission mechanism, driving the sampling inner cylinder to rotate and providing downward pressure. The lower end of the sampling inner cylinder is equipped with a soil-breaking cutting edge, and the internal sampling shaft drives a rotary blade to cut the soil. The sampling inner cylinder has a dispensing port, and the positioning outer cylinder has a dispensing limit seat. The supporting base plate has a discharge port and a baffle. This device provides stable positioning, efficient sampling, and allows for direct observation of soil stratification through the observation window. It enables independent collection of samples from different soil layers and facilitates convenient storage, effectively solving problems such as tilting, slow sampling, and sample mixing in existing devices. It is suitable for soil monitoring, geological surveys, and other scenarios.

The application discloses an electrode material based on MOF@COF / BC and application thereof in wastewater treatment and belongs to the technical field of wastewater treatment. The electrode material is prepared by the following method: NH2-MIL101(Fe), melamine and phthalocyanine molybdenum are dissolved in dimethyl sulfoxide, reaction is carried out at 160-200 DEG C for 10-14 h, the precipitate is collected after reaction, and washing, drying are carried out to prepare NH2-MIL101(Fe)@Mel-MoPc; the biochar and NH2-MIL101(Fe)@Mel-MoPc are mixed in deionized water, ultrasonic treatment is carried out for 8-12 min, stirring is carried out for 10-14 h, then the precipitate is collected by centrifugation, and washing, drying are carried out to prepare the electrode material. The application develops and designs a novel electrode material, which is used for electrocatalytic activation of peroxymonosulfate to degrade OFX wastewater, and the degradation efficiency of the OFX wastewater is greatly improved.

This invention belongs to the field of hard carbon technology, specifically relating to a bamboo-based and lignin-based hard carbon composite material, its preparation method, and its applications. The process involves pretreating raw materials to obtain pretreated material; pretreating the pretreated material with an acidic oxidant to obtain acidic oxidant pretreated material; pre-oxidizing the acidic oxidant pretreated material to obtain pre-oxidized material; pre-carbonizing the pre-oxidized material under a protective atmosphere to obtain pre-carbonized material; pulverizing the pre-carbonized material to obtain pulverized material; acid washing followed by water washing to obtain purified material; soaking the purified material in acid, filtering, and drying to obtain soaked material; mixing the soaked material with a modifier, and high-temperature coating and carbonizing under a protective atmosphere to obtain bamboo-based coated hard carbon or lignin-based coated hard carbon. Mixing the two types of hard carbon and carbon coating yields a bamboo-based and lignin-based hard carbon composite material, which is used in negative electrode sheets and batteries. When applied to batteries, the hard carbon composite material of this invention can improve battery energy density.

This invention provides a self-supporting one-dimensional nanorod array composite material, its preparation method, and its application, belonging to the field of clean energy harvesting technology. The preparation method provided by this invention includes the following steps: mixing soluble nickel salt, soluble molybdate, and water, and carrying out a hydrothermal reaction to obtain a NiMo precursor; heat-treating the NiMo precursor and a modifier under a protective atmosphere to obtain the self-supporting one-dimensional nanorod array composite material. Experimental results show that the composite material prepared by the method provided by this invention has excellent electrocatalytic water splitting activity and operational stability, and photo-assisted synthesis further enhances the electrocatalytic water splitting activity of the composite material, making it applicable to solar-driven electrocatalytic water splitting.

This application discloses a convenient construction crane. Multiple intermediate components connect two parallel tracks. A support plate is slidably mounted at each end of the intermediate components along their length. The base includes a mounting seat and two telescopic support seats, each with a transfer wheel at each end along its length. This convenient construction crane allows for material transfer by adjusting the length and distance of the two tracks. The sliding support plates on the tracks facilitate transfer and storage when retracted, and provide optimized support when extended. While the support seats are telescopic, the transfer wheels on them are mounted on the tracks and restricted vertically, thus the entire track section serves not only as a guiding slide but also as a fixed foundation. The lifting process is completed by adjusting the position of the upper boom within a wide range using the first and second hydraulic rods.

This invention belongs to the field of battery material technology, and provides a single-lithium-ion conductive polymer solid electrolyte, its preparation method, and its application. The single-lithium-ion conductive polymer solid electrolyte of this invention uses P... 1,101 TFSI / Li-Nafion@LLZTO was added as a filler to the matrix resin to promote the addition of cationic Li in the lithium salt. + The migration of lithium ions improves the efficiency of lithium ion transport, which is beneficial for enhancing the contact between the electrode and the interface. It also results in high ionic conductivity and lithium ion transference number (ionic conductivity can reach up to 2.31 × 10⁻⁶). ‑4 S cm ‑1 With an ion transference number of up to 0.63, it exhibits high electrode / electrolyte interface stability, which can reduce interface resistance and contribute to the practical application and high performance of lithium-ion batteries based on SLCP solid electrolyte.

The invention relates to an O2-phase lithium cobalt oxide positive electrode material and a preparation method thereof, and belongs to the technical field of lithium ion batteries. The preparation method comprises the following steps: S1, uniformly mixing a doped metal source, a sodium source and a cobalt source, sintering, and cooling to obtain a P2-phase precursor; s2, uniformly mixing the P2-phase precursor, a lithium source A and the coating layer precursor, sintering, and cooling to obtain an intermediate A; s3, uniformly mixing the intermediate A and a lithium source B, sintering, and cooling to obtain an intermediate B; and S4, uniformly mixing the intermediate B and a lithium source C, sintering, cooling, washing and drying to obtain the O2-phase lithium cobalt oxide positive electrode material. The O2-phase lithium cobalt oxide positive electrode material with low residual sodium, high structural stability and excellent interface coating performance is prepared through a method of combining gradient ion exchange, gradient temperature control, gradient atmosphere regulation and control and synchronous in-situ coating.

The application discloses a preparation method of a photocatalyst for CO2 reduction and application thereof. The photocatalyst is prepared through the following steps: first, preparation of the photocatalyst bismuth oxysulfate; second, metal loading modification of the photocatalyst bismuth oxysulfate. Thiocyanic acid and bismuth nitrate are used as raw materials to synthesize the photocatalyst bismuth oxysulfate, and copper chloride or silver nitrate reagent is selected as a material for metal loading modification of the bismuth oxysulfate, and the selected materials are inexpensive and easy to purchase, and the economic cost is low. The photocatalyst prepared by the method has the advantages of high selectivity, can accelerate electron movement under light conditions, promotes CO2 reduction degradation, and has high stability, and is an ideal photocatalyst. Compared with existing photocatalyst materials, the material has high catalytic degradation reducibility and selectivity, high stability, and when used as a CO2 photocatalyst, can efficiently reduce and convert CO2 into multi-carbon products.

The invention discloses a process for preparing a V2O3 / ZnV2O3 total battery by simultaneously using vanadium oxide in a zinc ion battery as a positive electrode material and a negative electrode material, which comprises the following steps: reacting ammonium metavanadate with absolute ethyl alcohol by adopting a solvothermal synthesis method, washing, drying, and calcining in a tubular furnace to obtain V2O3; in the preparation process of the V2O3 positive electrode material, only V2O3, acetylene black serving as a conductive agent and PVDF serving as a binder are mixed in proportion and then are coated on graphite paper, other coating protection materials do not need to be introduced into a V2O3 / Zn negative electrode, and V2O3 is used as a protection layer to inhibit growth of zinc dendrites, relieve hydrogen evolution side reaction of the zinc negative electrode and reduce corrosion of zinc. Vanadium oxide V2O3 is directly used as a core positive electrode material, the zinc negative electrode coating is developed by utilizing the characteristics of the vanadium oxide V2O3, a material is formed, meanwhile, the performance optimization of the positive electrode and the negative electrode is realized, the used raw materials are simple and easy to obtain, the process is simple and easy to implement, and the preparation process is simple and easy to implement from V2O3 raw material synthesis to positive and negative electrode piece preparation to V2O3 / ZnV2O3 total battery assembly. And comprehensive improvement of positive and negative electrode performances of zinc ions is simultaneously realized by a single material.

The application discloses a kind of automatic transplanting equipment for landscape engineering, and it relates to the technical field of transplanting equipment.The application includes: positioning ring, the positioning ring includes the fixing member detachably clamped on the trunk, and the fixing member is provided with openable and closable annular support rail;Positioning support, multiple and inserted in the land, the positioning support includes positioning block, two insertion rods are vertically penetrated and installed on the positioning block, the telescopic positioning rod is hinged to the positioning block, the movable end of the telescopic positioning rod is detachably inserted with the side surface of annular support rail, the support plate is hinged to the positioning block and arranged horizontally, the upper surface of the support plate is detachably connected with arc-shaped slide rail, and the arc-shaped slide rails on multiple support plates are spliced into a circular ring.The application realizes the convenient transportation and use of transplanting equipment by the assembly component, and automatically cuts soil ball without manual shovel, saves manpower and improves efficiency.

The utility model relates to the technical field of powder cosmetic processing, in particular to an automatic powder pressing and typesetting device for powder cosmetics. According to the technical scheme, the powder pressing device comprises a powder pressing table, a sliding groove is formed in the top face of the powder pressing table, a first motor is arranged on the right side of the powder pressing table, the output end of the first motor penetrates and extends into the sliding groove and is provided with a screw rod, the outer ring of the right end of the screw rod is in threaded connection with a threaded block, and a containing table is arranged on the top face of the threaded block; and a mounting groove is formed in the placement table, and a gear is rotationally arranged on the inner bottom surface of the mounting groove. According to the device, a cosmetic box is conveniently clamped and fixed by arranging the placing table to the clamping plate, the gram weight of powder is conveniently and quantitatively controlled by arranging the vertical plate to the discharging pipe, the powder is conveniently compacted by arranging the L-shaped bracket to the pressing module, and automatic feeding, powder pressing and transferring are conveniently carried out by arranging the motor I to the threaded block; and the powder pressing precision and efficiency are improved.

This invention discloses a wide-interlayer-spacing molybdenum disulfide catalyst, its preparation method, and its application, belonging to the field of water electrolysis for hydrogen production energy conversion technology. The preparation method includes the following steps: preparing a molybdenum disulfide precursor solution using a molybdenum source and a sulfur source; then subjecting the molybdenum disulfide precursor solution to a hydrothermal reaction with a carbon-containing interlayer-spacing regulator; and obtaining the wide-interlayer-spacing molybdenum disulfide catalyst after centrifugation and washing. The carbon-containing interlayer-spacing regulator is used to insert into the interlayer of molybdenum disulfide during the hydrothermal reaction, increasing the interlayer spacing of the (002) crystal planes of the obtained molybdenum disulfide catalyst. The wide-interlayer-spacing molybdenum disulfide catalyst of this invention facilitates electrolyte penetration and hydrogen bubble release, effectively avoids active site blockage, enhances the intrinsic conductivity of the catalyst, accelerates internal charge transport, increases active sites for hydrogen evolution reaction, and improves the intrinsic hydrogen evolution catalytic activity of the catalyst.

The utility model relates to the technical field of architrave surveying and mapping, and provides a surveying and mapping tool for complex architraves of cultural and insurance buildings, which comprises a fixed bracket, a pointer, a vertical slideway block, a pointer slideway block and a pencil and knife fixer, a vertical slide way is formed in the fixed bracket; a vertical slideway block is arranged on the vertical slideway in a sliding manner; the pointer is provided with a transverse pointer slideway; a pointer slideway block is arranged in the pointer slideway in a sliding manner; the pointer slideway block is fixedly connected with the vertical slideway block; the front end of the pointer is of an arrow structure or a roller structure, and the tail end of the pointer is provided with a pen knife fixing device. Complex architrave surveying and mapping can be achieved through simple operation, surveying and mapping efficiency is improved, and surveying and mapping cost is reduced.

This invention discloses a method for preparing interface-reinforced niobium pentoxide / porous graphene and its energy storage application. The method involves adding porous graphene oxide during the solvothermal synthesis of a niobium pentoxide precursor to obtain a composite precursor of niobium pentoxide and porous graphene oxide. This precursor is then annealed under a protective atmosphere to obtain the interface-reinforced niobium pentoxide / porous graphene composite material. The composite material obtained by this invention exhibits excellent performance as an electrochemical energy storage material. Furthermore, the preparation method of this invention is simple to operate, requires no complex equipment, and is easily controlled, making it suitable for mass production.

The application discloses a camellia seed oil adulteration identification method based on triglyceride isomers; the method comprises the following steps: collecting the data of the first mass spectrum information and the second mass spectrum information of glycerides of the oil sample standard by an ultra-high performance liquid chromatography-quadrupole time-of-flight-high resolution mass spectrometer; extracting the peak area content of the top 27 glyceride compounds; identifying and extracting the isomer content of the top 27 glyceride compounds; screening characteristic isomer compounds according to variable projection importance; establishing an adulteration identification model according to the principal component analysis and the least square-discriminant analysis of the isomer content; and identifying the sample in the adulteration identification model. The adulteration identification model can not only distinguish camellia seed oil and high-oleic oil, but also has a highest prediction accuracy of 100% for the type of high-oleic oil, and has a minimum identification adulteration concentration of 2%, thereby significantly improving the identification accuracy of camellia seed oil.

The present invention relates to a bio-signal sensor for collecting a bio-signal including brain waves in a body part of an animal including a person having many hairs, the bio-signal sensor comprising: a fixing band surrounding the body part; an electrode assembly having a plurality of electrodes provided in a direction toward the animal skin of the fixing band, i.e., a rear surface; and a conductive substance storage body for electrically connecting the plurality of electrodes and the skin of the animal with a conductive substance as a medium. Accordingly, the electrode assembly arranged on the forehead of the animal through the conductive substance storage body is electrically connected with the skin of the animal, and the conductive fitting property between the biological signal collecting electrode and the skin of the animal can be improved.

The invention discloses an integrated bulk machine. The bulk machine comprises a machine body supporting seat, a PLC controller, a silo, a dust collecting system, a lifting system and a telescopic barrel, wherein the silo is arranged on the machine body supporting seat in a penetrated mode and is fixedly connected by a fastener; the dust collecting system comprises a dust collecting fan, a dust collecting pipeline and a dust collecting filter barrel; the silo comprises a feeding port, a collecting bin, a discharging port and a curved valve; and the discharging port is fixedly connected with the telescopic barrel, the lifting system matches the telescopic barrel, and the PLC controller is respectively connected with the dust collecting fan, and the curved valve and the lifting system in a communicated mode. The integrated bulk machine has the advantages that each component cooperates with each other, and the machine is reasonable in design; by means of the machine body supporting seat,the whole device system is stabilized; by means of the dust collecting system, the dust pollution caused by transferring the powder can be eliminated; and by means of the lifting system, the change ofthe length of the telescopic barrel can be achieved, so that the whole device is capable of meeting the requirements of a silo of a vehicle body with different heights, the whole device is easy to operate and convenient to transfer, and the bulk machine has wide adaptability and high stability.

A high-load cobalt-based single-atom catalyst for oxygen reduction and its preparation method are disclosed, belonging to the field of electrocatalysis technology. This method utilizes the cage structure in ZnCo-ZIF to encapsulate nitrogen-rich metal molecules, followed by high-temperature carbonization under nitrogen conditions to obtain the catalyst. Benefiting from the separating effect of Zn metal nodes in ZIF and the spatial confinement effect of the ZIF cages, as well as the high nitrogen content in the guest molecule, a cobalt-based single-atom catalyst with a loading of 4.0 wt% was prepared. Furthermore, compared to traditional preparation methods, the catalyst prepared using a mixed solvent exhibits a small particle size, resulting in a high specific surface area that fully exposes the active sites. The large specific surface area allows for the full exposure of the high-load metal atom active sites, thus demonstrating excellent performance in the oxygen reduction reaction, with a half-wave potential of 0.88 V and a limiting current density of 6.0 mA·cm⁻¹ in 0.1 M KOH electrolyte. ‑2 .

The utility model discloses an improved mushroom inoculation device which comprises a feeding hopper used for containing strains, a conveying device is arranged on the feeding hopper, the conveying device comprises a rotating shaft penetrating through the feeding hopper, the rotating shaft can rotate on the feeding hopper, a spiral plate is arranged on the rotating shaft, and the spiral plate is arranged on the feeding hopper. The spiral plate extends out of the feeding hopper along with the rotating shaft, and a scraper blade is arranged on the rotating shaft in the feeding hopper. According to the utility model, the residue of strains can be reduced, so that the strains injected into the inoculation container are more sufficient, the growth of the inoculation container in the later period is facilitated, the production efficiency of planting is greatly improved, and the production requirements of modern users can be better met.

The utility model discloses a laboratory sewage discharge device of well cementation, include: collection bag, first sedimentation tank, second sedimentation tank and third sedimentation tank, first sedimentation tank is connected with second sedimentation tank, second sedimentation tank is connected with third sedimentation tank, the lower end of first sedimentation tank, the lower end of second sedimentation tank and the lower end of third sedimentation tank all are provided with gyro wheel, and the inside of first sedimentation tank, second sedimentation tank and third sedimentation tank all are provided with collection bag. Through the application of the utility model, a laboratory sewage discharge device of well cementation is provided, which is movably arranged by being provided with gyro wheels and collection bags, so that the device is not only convenient for cleaning the cement in the sedimentation tank, but also convenient for transferring the device as a whole when the laboratory is relocated. In addition, the device is provided with three-stage sedimentation and multiple filtration, which can greatly reduce the residual amount of solid substances and cement in the sewage, so that the sewage can meet the industrial wastewater discharge standard when discharged, and effectively reduce the pollution to the environment.

The utility model discloses a clamping device for metal steel pipe processing, which comprises a steel pipe clamping device, the two sides of the top of the steel pipe clamping device are fixedly connected with support rings, the inner sides of the support rings are rotatably connected with metal rods, and the surfaces of the metal rods are fixedly connected with hold-down rings. A servo motor is started, the servo motor drives a second bevel wheel to rotate, the second bevel wheel drives a first bevel wheel to rotate, the first bevel wheel drives a screw to rotate, the screw drives a lifting plate to move upwards, the lifting plate drives a toothed plate to move upwards, and the toothed plate moves to drive a gear to rotate. The gear rotates to drive the metal rod to turn over, the metal rod turns over to drive the pressing ring to press the steel pipe, the steel pipe can be fully fixed, the steel pipe can be clamped and fixed, follow-up machining and cutting are facilitated, an existing manual clamping mode is replaced, and therefore the efficient and automatic clamping effect is achieved.

The application discloses a precise shifting and feeding structure, which comprises a feeding pipe, a swinging long shaft and a clamping mechanism, the feeding pipe is used for conveying workpieces; the swinging long shaft is driven to rotate by a driving mechanism, so that the swinging long shaft reciprocates within a certain angle range; the clamping mechanism comprises a clamping front plate and a clamping back plate, the clamping back plate is fixedly connected to the bottom end of the swinging long shaft, the clamping front plate is rotatably connected to the bottom end of the swinging long shaft, the clamping mechanism further comprises a spring, the spring is used for abutting against one side of the clamping front plate away from the clamping back plate, so that the clamping front plate and the clamping back plate clamp the workpieces conveyed by the feeding pipe; through the cooperation of the swinging long shaft, the clamping front plate, the clamping back plate, a material supporting plate, a second limiting rod, a limiting block, a fixing rod and the spring, the clamping mechanism can be self-adaptively opened and closed in the process of receiving the workpieces conveyed by the feeding pipe and putting the workpieces into a material cylinder, the workpieces can be conveniently transferred into the material cylinder one by one, and the operation convenience is remarkably improved.