95results about How to "Rapid production" patented technology

The invention discloses a local parametric modeling and optimizing method, device and equipment for an automobile air conditioner pipeline, and relates to the technical field of automobile air conditioner system optimizing.The method comprises the steps that a pipeline model of an air conditioner system is obtained, a to-be-optimized area is deleted, and the pipeline model with the to-be-optimized area deleted is imported into simulation software; re-modeling the to-be-optimized area to obtain a pipeline local model, and fusing the pipeline local model with the pipeline model imported into the simulation software to obtain a fused model; selecting model parameters for optimizing the local model of the pipeline, and setting the model parameters to obtain a plurality of pipeline performance optimization schemes; and performing performance simulation calculation on the fused model based on a pipeline performance optimization scheme, and determining an optimal pipeline performance optimization scheme according to a simulation result. The optimization time of the automobile air conditioner pipeline can be shortened, and the optimal design scheme of the pipeline can be quickly obtained.

The invention relates to the technical field of preparation of modified asphalt, in particular to SBS modified asphalt and a preparation method thereof. The SBS modified asphalt provided by the invention is prepared from the following raw materials: matrix asphalt, a linear SBS modifier 791H, a star SBS modifier 4306 and an auxiliary agent, the auxiliary agent is selected from one or two of aromatic oil, naphtha, a stabilizer and furfural extract oil. The modified asphalt prepared by the invention has high storage stability and ageing resistance, the high-temperature performance and water stability are remarkably improved, and the overall performance is better than that of linear SBS modified asphalt. According to the high-stability SBS modified asphalt disclosed by the invention, the storage stability problem is solved, various properties and pavement performance of the SBS modified asphalt are integrally improved, and the high-stability SBS modified asphalt is simple and convenient to prepare, short in processing flow, simple in equipment, mild in process condition, rapid in production and low in modification cost.

The present invention discloses a novel tail wing structure manufacturing method, comprising the following steps: S1, split forming of tail wing parts: split processing of tail pipe and tail wing part, using extrusion forming process to process tail pipe, and using casting and forging composite process to process tail wing part; S2, connection of tail wing parts: using stir friction welding process to connect tail pipe and tail wing part to obtain formed tail wing structure. The present invention adopts the above novel tail wing structure manufacturing method, and processes the tail pipe and tail wing seat which were originally produced in one piece separately, thus avoiding the problem of material waste caused by milling, which is conducive to reducing production cost, improving production efficiency, and ensuring that the produced products meet performance requirements, and is suitable for rapid mass production of tail wing structures.

[Problems] To provide a method for producing regenerated T cells via iPS cells into which TCRs isolated from tumor tissue-infiltrating CD106-positive T cells have been introduced. [Solutions] Provided is a method for producing regenerated T cells via iPS cells, comprising: 1. A step for preparing cDNAs respectively encoding a TCR α chain and a TCR β chain from individual cells in a CD106-positive T cell population obtained from subjects and having reactivity with a tumor-related antigen; 2. A step for reprogramming peripheral blood mononuclear cells which are obtained from the subjects and from which B cells and T cells have been removed or T cells into iPS cells, and selecting iPS cell clones having high efficiency of differentiation into T cells from the obtained iPS cells; 3. A step for introducing the cDNAs into the iPS cell clones, hematopoietic stem cells differentiated from the iPS cell clones, immature T cells differentiated from the hematopoietic stem cells, or mature T cells differentiated from the immature T cells; and 4. A step for performing the differentiation of the iPS cell clones having the cDNAs introduced therein, the hematopoietic stem cells or the immature T cells which have been obtained in step 3 into mature T cells and the proliferation of the mature T cells.

The utility model discloses an enzymatic reaction tank device for honey production, which relates to the technical field of honey production and comprises a supporting seat, rotating shafts are symmetrically and rotatably connected to the top of the supporting seat, a mixing barrel is fixedly connected between the two rotating shafts, and a reaction mechanism is arranged at the top of the supporting seat. The reaction mechanism comprises a rotating assembly and a mixing assembly, the rotating assembly and the mixing assembly are used in cooperation, the rotating assembly comprises a rotating motor, the rotating motor is fixedly connected to the interior of the supporting base, and the output end of the rotating motor is fixedly connected with a first belt wheel. According to the enzymatic reaction tank device for honey production disclosed by the utility model, through the arranged reaction mechanism, not only can the inside of the mixing barrel be stirred, but also the mixing barrel can be rotated, so that internal materials can be rapidly fused, the stirring and mixing effects are better, rapid production is facilitated, the structure is simple, and the practicability is higher.

The utility model discloses a kind of display device and its waterproof structure of vehicle-mounted display screen module, it is related to waterproof structure technical field, the waterproof structure of vehicle-mounted display screen module includes: front shell;Waterproof part, it includes at least two waterproof foam rubber along the circumferential arrangement of front shell, each waterproof foam rubber cooperation forms rectangular frame structure, rectangular frame structure is used to seal the assembly place of front shell and display screen;Gluing member, it is filled in the joint of adjacent two waterproof foam rubber. By being designed into multiple waterproof foam rubber to waterproof part, by the joint of adjacent two waterproof foam rubber of gluing member bonding, i. e. by general glue to fill the joint of adjacent two waterproof foam rubber, in this way, both save material, can also meet waterproof requirement. The mode of filling the joint gap of adjacent two waterproof foam rubber using gluing member, structure is conveniently assembled and easy to produce. That is, the device can not only meet waterproof requirement, but also can be quickly produced, and waterproof glue material can be saved.

A parallel continuous rapid emulsion preparation device includes a pure water tank connected to a pure water main pipe via a water pump. The pure water main pipe is connected to the inlet pipes of an aqueous phase reactor, an oil phase reactor, and a dilution reactor via a first, second, and third pure water branch pipe, respectively. A glycerol tank is connected to the oil inlet pipes of the oil phase reactor and the dilution reactor via a gear pump, a glycerol main pipe, a first glycerol branch pipe, and a second glycerol branch pipe, respectively. The discharge pipe at the bottom of the aqueous phase reactor is connected to the inlet of the oil phase reactor via a first feed pump. The discharge pipe at the bottom of the oil phase reactor is connected to the inlet of the dilution reactor via a second feed pump. The discharge pipe at the bottom of the dilution reactor is connected to a storage tank. Heating structures are provided on the side walls of the aqueous phase reactor and the oil phase reactor. Vacuum pipes are provided on the top of both the oil phase reactor and the dilution reactor, and these vacuum pipes are connected to a vacuum pump.

A core-pulling mold with threaded teeth includes a threaded tooth core-pulling mechanism. The mechanism is located on one side of the upper and lower mold cores and includes a threaded core, a threaded core rotation assembly, a threaded core movement assembly, a insert rod, an insert rod movement assembly, and a threaded core positioning assembly. The inner end of the threaded core has a threaded portion. The threaded core rotates under the drive of the threaded core rotation assembly and is simultaneously driven by the threaded core movement assembly to allow the threaded portion to extend into or retract from the injection cavity. The peripheral wall of the threaded core has an oblique through-hole communicating with the inner end face of the threaded core. The insert rod, driven by the insert rod movement assembly, can extend and retract through this oblique through-hole. A positioning ratchet is also provided on the peripheral wall of the threaded core. The threaded core positioning assembly includes a positioning pawl and a positioning elastic element. The positioning pawl is oscillatingly positioned on one side of the threaded core and is pushed by the positioning elastic element to abut against the positioning ratchet, thus limiting the reverse rotation of the threaded core without limiting its forward rotation. This enables rapid mass production of products with threaded ends and oblique liquid outlet channels, ensuring production efficiency and quality.

This invention provides a micro-adhesive film-attached flexible circuit board packaging tray and packaging method, including a tray body with a front and a back. The front has several circuit board placement areas, and non-recessed areas corresponding to the placement areas are non-placement areas. The tray also includes: edge-guarding protrusions on the edges of the non-placement areas; edge-guarding protrusions with several hand-positioning grooves; placement areas with several placement grooves; and spacer protrusions at the joints of the placement grooves, dividing the placement areas into several placement grooves; the hand-positioning grooves are connected to the placement grooves. The release film is pressed against the micro-adhesive film through the hand-positioning grooves, allowing for the alignment and rapid packaging of the circuit boards. The spacer protrusions in the tray placement areas prevent the micro-adhesive film from sticking and overlapping, and their number and position can be set according to the specifications of the shipping packaging, enabling the simultaneous and rapid production of products of uniform specifications and improving packaging efficiency. The hand-positioning grooves are ergonomically designed to fit the size of a human finger, facilitating operation.

The present invention provides a multi-type seat backrest covering line, which belongs to the field of mechanical automation technology and comprises a supporting structure, a motor drive component, a transmission plate chain, a tensioning mechanism and a covering clamping device; the supporting structure is provided with a motor drive component and a tensioning mechanism, the supporting structure comprises a bracket and a workbench, the workbench is provided on the bracket, and a circle of transmission plate chains connected end to end are laid around the upper and lower surfaces of the workbench, and the covering clamping device is provided on the transmission plate chain; the present invention arranges a transmission plate chain and installs a covering clamping device on the transmission plate chain, so that the backrest covering line can meet the needs of multiple people to work at the same time, from the first person to the last person, only one loading and one unloading are required, zero intermediate inventory is achieved, intermediate production costs are reduced, the material and manpower for intermediate transportation are reduced, and the operation efficiency is effectively improved.

The invention discloses a preparation method of a wide-temperature-range high-damping metal hollow sphere / polyurethane damping composite material, and relates to a preparation method of a damping composite material. The method comprises the following steps: 1, carrying out surface modification on metal hollow spheres; and 2, preparing the polymer. Compared with pure polyurethane, the prepared wide-temperature-range high-damping metal hollow sphere / polyurethane damping composite material has the advantages that the damping performance is greatly improved, the temperature range is widened, the excellent damping performance and acoustic performance are achieved, the preparation process is simple, the stability is high, and the composite material is suitable for large-area pouring and complex-shape base materials; wide application prospects are realized in the fields of ships, aerospace, vehicles, building materials and the like; after the surface-modified metal hollow spheres are compounded with polyurethane, the damping performance can be greatly improved, the temperature range is widened, the loss factor is increased from 0.45 to 0.85, and the effective temperature range is widened from 59.9 DEG C to 100 DEG C or above.

The invention provides a battery top cover assembly, processing equipment, a battery shell and a battery monomer, and relates to the technical field of batteries, the battery top cover assembly comprises a top cover plate, a pole and a sealing element, the top cover plate is provided with a mounting hole, a first pressing structure is arranged on the outer side surface of the top cover plate and around the edge of the mounting hole, and the pole is mounted in the mounting hole; the sealing element is arranged between the side wall of the pole and the hole wall of the mounting hole, the outer side face of the sealing element is attached to the inner side face of the first pressing structure, the first pressing structure is provided with a first indentation protrusion deforming towards the sealing element, and the first indentation protrusion is used for pressing and fixing the pole towards the pole on the outer side face of the sealing element. The sealing element is compressed through the first indentation protrusion to compress and fix the pole, so that the complexity of an assembly process is reduced during assembly, a welding or injection molding process is not needed, the energy consumption can be reduced, no metal filing is generated, the performance of the battery is not influenced, batch and rapid production can be realized, and the production cost is reduced.

The utility model relates to the technical field of medical instruments, in particular to a positioning device for assisting reduction and fixing acromioclavicular dislocation, which comprises a base plate, an acromion end positioning plate is arranged at one end of the base plate, and a clavicle end positioning block is arranged at the other end of the base plate. Holes are formed in the acromion end positioning plate, acromion end fixing guide needle sleeves are fixedly connected to the positions corresponding to the holes, a plurality of holes are formed in the base plate, and a first coracoshoulder ligament fixing guide needle sleeve, a second coracoshoulder ligament fixing guide needle sleeve and a clavicle end guide needle fixing sleeve are fixedly connected to the positions corresponding to the holes respectively. The positioning device can achieve accurate positioning, damage to blood vessels, nerve tracts and surrounding tissues below the coracoid process is avoided, and operation bleeding is reduced. Due to the fact that the individualized bone tunnel is established, the position where the belt carrier titanium plate is placed is appropriate, the osteolysis phenomenon is reduced, and meanwhile the risk of coracoid fracture is reduced. According to the operation method adopting the positioning device, the operation difficulty is remarkably reduced, the operation time is shortened, and the learning curve of young physicians is reduced.

The utility model discloses spiral reinforcement winding equipment of an electric pole reinforcement cage, which relates to the technical field of reinforcement cage winding equipment and comprises a reinforcement cage main reinforcement straightening device used for driven rotation and tension of one end of the reinforcement cage, the other end of the reinforcement cage is mounted on a driving rotation force measuring device, and the driving rotation force measuring device is used as a driving fixing end. The reinforcement cage is tensioned through the driven reinforcement cage main reinforcement straightening device, a spiral reinforcement winding device used for winding spiral reinforcements on the reinforcement cage is further arranged on the side of the reinforcement cage, the spiral reinforcement winding device slowly moves in the axis direction of the reinforcement cage and conveys the spiral reinforcements, and the spiral reinforcements are conveyed to the reinforcement cage through the spiral reinforcement winding device under synchronous rotation of the reinforcement cage main reinforcement straightening device and the driving rotary force measuring device. When the spiral reinforcement cage is tensioned, the tensioning mechanism drives the tensioned reinforcement cage to rotate at a constant speed, meanwhile, the wire unwinding mechanism follows the speed of the active rotating force measuring device so that the spiral reinforcement can be evenly wound around the reinforcement cage, all the devices can be smoothly coordinated and matched through the control system, and it is guaranteed that the spiral reinforcement winding procedure is smoothly conducted.

The invention discloses a full-automatic half type packaging box body folding forming system which comprises a rotary support, a box body forming workbench and a bottom pasting discharging workbench, two box pressing assemblies are arranged on the two sides of the rotary support, and each box pressing assembly comprises a bottom bracket, an in-box supporting frame and an upper pressing frame which are sequentially arranged from bottom to top; a box body piece grabbing mechanical arm, a box body piece conveying mechanism, a box body piece separating and feeding mechanism and a box body piece gluing mechanism are further arranged beside the box body forming workbench. A box bottom piece slicing feeding mechanism and a box bottom piece overturning mechanism are arranged above the bottom pasting discharging workbench, and a box body discharging mechanism is further arranged below the bottom pasting discharging workbench. Two half split type box bodies can be produced at the same time, combination forming is rapid and accurate, equipment is simple, the occupied area is small, cost is low, and the device can adapt to large-scale rapid production of split type packaging boxes.

The application discloses a railway locomotive cable outer sheath extrusion assembly and belongs to the technical field of cable manufacturing. The railway locomotive cable outer sheath extrusion assembly comprises a first extruder, a cooling mechanism and a second extruder through which a cable passes in sequence, the first extruder is used for extruding a first sheath layer to the cable, the second extruder is used for extruding a second sheath layer to the outside of the first sheath layer, the cooling mechanism comprises a water collecting tank, a spraying chamber, a blowing chamber and a drying chamber arranged at the tank opening of the water collecting tank, the spraying chamber is used for spraying cooling water to the first sheath layer, the blowing chamber is used for blowing off water drops on the surface of the first sheath layer, the spraying chamber and the blowing chamber are arranged alternately, and the drying chamber is provided with a third cylindrical passage, second blowing heads are spirally arranged in the inner circumferences of the third cylindrical passage, and the second blowing heads are used for drying the first sheath layer. The application further provides a railway locomotive cable outer sheath extrusion method. The PE sheath layer and the low-smoke halogen-free flame-retardant oil-resistant layer are extruded in one time by using the extrusion assembly in a continuous co-extrusion mode, so that the cable has good roundness.

This utility model relates to the field of sheet metal edge curling technology, and discloses a sheet metal edge curling device, including a frame and a mold. A cabinet is fixedly connected to the bottom of the frame, and a motor housing is fixedly connected inside the cabinet. A rotating shaft is rotatably connected to the top of the motor housing. A locking assembly is installed on the outside of the rotating shaft. The locking assembly includes a locking tongue, which is fixedly connected to the outside of the rotating shaft. A locking groove is formed inside the mold, and springs are fixedly connected to both sides of the inner wall of the locking groove. A locking block is fixedly connected to the other end of each spring. In this utility model, when the locking tongue of the rotating shaft is inserted into the locking groove, the spring retracts. After the locking tongue enters, the spring springs back, and the locking block engages with the locking tongue. A lever is moved to change the mold. After curling is completed, an electric push rod is used to rotate the connecting rod and gear, causing the rack to move, the gripper to hold the material, and the hydraulic rod assembly to descend, demolding the sheet metal part. With the rotation of the motor, the unloading is completed, improving work efficiency.

The utility model discloses a V-shaped filter with large air volume and high dust holding capacity, and relates to the technical field of air filters. The filter comprises a bottom frame, a top frame, a supporting strip and an outer frame, a plurality of fixing assemblies are arranged on the opposite faces of the bottom frame and the top frame, connecting assemblies are arranged at the two ends of the supporting strip and matched with the fixing assemblies, a filter element is arranged between the bottom frame and the top frame, a plurality of first V-shaped grooves are formed in the top of the bottom frame, and T-shaped blocks are arranged in the first V-shaped grooves. Dust storage boxes are arranged in the multiple first V-shaped grooves, first insertion holes are formed in the side face of the bottom frame, and second insertion holes are formed in the side face of the outer frame. According to the V-shaped filter, the top frame and the bottom frame are quickly butted with the supporting strips through the matching of the connecting components and the fixing components, so that the V-shaped filter has the advantages of simple structure, convenience in quick production and cost reduction, convenience and quickness in butting operation, and convenience in improving the assembling speed of the V-shaped filter.

The utility model belongs to the technical field of quick adjusting equipment for die openings, and discloses a visual quick adjusting mark for a PVC (polyvinyl chloride) plate die opening, which comprises a die opening, a die sleeve welded at the top of the die opening, a feeding hole formed in the die sleeve, a bearing seat fixedly mounted in the die sleeve, and a rotating rod rotationally connected in the bearing seat. The outer side of the rotating rod is fixedly connected with a rotating button, the surface of the rotating rod is in threaded connection with a movable plate, the side surface of the movable plate is fixedly provided with a baffle plate, the outer side of the die sleeve is provided with a digital identifier, and the side surface of the rotating button is welded with an indicating arrow. The two movable plates and the baffle can move inwards or outwards at the same time, so that the size of a feeding opening is changed, the discharging amount of a die opening can be rapidly adjusted, meanwhile, 12 equal 1-12 number marks are added near a rotary button on the outer side of a rotary rod, and a worker can judge the adjusting size of the die opening according to the positioning indication marks and the positions of the numbers.

The invention discloses a real-time drying device for 3D printing supplies, and relates to the technical field of 3D printing, and the real-time drying device comprises a shell and a power supply connecting unit; a preheating pipe and a cooling pipe are installed in the shell, the end, close to the cooling pipe, of the preheating pipe is communicated with a drying pipe, the preheating pipe is communicated with the drying pipe through an external pipe, and the consumable sequentially penetrates through the shell, the preheating pipe, the drying pipe and the cooling pipe. An air pump, a refrigerator, a heater and a drying agent box are installed in the shell, the cooling pipe is communicated with an inlet of the air pump through a pump-in pipe, an air outlet of the air pump is communicated with the hot end of the refrigerator through a pump-out pipe, the hot end of the refrigerator is communicated with the heater through a heating inlet pipe, the heater is communicated with the preheating pipe through a heating outlet pipe, and the drying agent box is arranged in the shell. The drying pipe is communicated with the cold end of the refrigerator through a refrigeration inlet pipe, the cold end of the refrigerator is communicated with the drying agent box through a refrigeration outlet pipe, and the drying agent box is communicated with the cooling pipe through a drying outlet pipe. According to the consumable drying device, the consumable drying speed can be increased conveniently, and therefore 3D printing rapid production is facilitated.

The present invention discloses a cable connector, comprising a body, a limiting sleeve for limiting the position of a cable is provided at the right end of the body, a plug-in terminal is provided inside the left end of the body, and the characteristics are: two groups of limiting protrusions are symmetrically provided on the outer edge surface of the right end of the body, two groups of limiting grooves are symmetrically provided on the inner wall of the limiting sleeve, the front end of the limiting groove is connected with the left side of the limiting sleeve, the limiting sleeve is inserted on the right end of the body, each group of the limiting protrusions is inserted in a group of the limiting grooves, and the limiting sleeve is rotated to clamp the limiting protrusions at the right end of the limiting groove, and the limiting protrusions and the limiting grooves lock and connect the body and the limiting sleeve. The present invention realizes the quick installation and quick removal of the connector.

The application relates to an anti-GCDFP-15 monoclonal antibody and a preparation method and application thereof, and belongs to the technical field of immunology. The anti-GCDFP-15 monoclonal antibody provided by the application has the amino acid sequence of a heavy chain variable region as shown in SEQ ID NO. 1 and the amino acid sequence of a light chain variable region as shown in SEQ ID NO. 2. The nucleotide sequences of the heavy chain variable region and the light chain variable region of the monoclonal antibody are also provided, and the monoclonal antibody can be prepared by using genetic engineering technology. The monoclonal antibody prepared by the application has the advantages of stable property, high experimental repeatability and high titer, is suitable for immunological detection, and can specifically recognize the GCDFP-15 protein expressed in human skin and breast tissue.

The invention relates to a plate flanging forming method based on a convex magnetic collector, which comprises the following steps of: determining parameters of a driving coil according to a plate forming specification, selecting a corresponding wire rod and a corresponding wire diameter, and winding the driving coil through a winding machine; determining the material and size parameters of the convex magnetic collector; manufacturing a convex magnetic collector; after the to-be-formed plate is subjected to annealing pretreatment, the middle of the to-be-formed plate is fixed through a mold; a convex magnetic collector is arranged in the opposite direction of a flanging area of a to-be-formed plate, a protrusion of the convex magnetic collector is aligned with the middle of the flanging area of the to-be-formed plate, and a driving coil is arranged at the bottom of the convex magnetic collector and connected with a pulse power source through a switch. And supplying power to the driving coil, controlling the discharge time of the pulse power supply, and flanging the to-be-formed plate. The magnetic field distribution of the flanging area of the plate is improved through the convex magnetic collector, the flatness and the uniformity of the formed flanging area of the plate are improved, and the problem that the flanging buckling phenomenon of the plate is caused by non-uniform electromagnetic force distribution due to the end effect is solved.

The invention relates to the technical field of EDTA (Ethylene Diamine Tetraacetic Acid) titration, in particular to a road lime soil content rapid titration detection end point judgment device and a use method thereof. The suction cup is matched with the band-pass optical filter and the photoresistor, so that the resistance value of the photoresistor can be changed along with the color change of a solution to be detected, the real-time current displayed by the ampere meter is changed, and when the difference percentage of the real-time current and the comparison current is observed to be less than 10%, the titration experiment reaches the titration end point; the detachable suction cup is matched with the protrusion and the clamping groove, so that the band-pass optical filter is convenient to replace, and it is guaranteed that the position of the band-pass optical filter and the position of the photoresistor are always relatively fixed so as to control variables. According to the method, the appropriate optical filter is selected to be matched with the titration experiment, optical signals are converted into electric signals for objective characterization by utilizing optical characteristics of the optical filter and the photoresistor, subjective errors of end point judgment of the titration experiment are eliminated, and the accuracy of the experiment is ensured while a part of labor force is saved.

This invention discloses a quantitative molten metal feeding device for a die-casting machine that offers stable flow and easy maintenance. The device includes a slurry tank, a valve core module, a cylinder, a connecting shaft, a plunger rod, and a probe module. The valve core module comprises a guide tube, a small end cap, and a large end cap. The guide tube is assembled inside the large end cap. The small end cap and guide tube together can move vertically within the central through-hole of the large end cap. Through-holes A and B are respectively provided on the sides of the guide tube and the large end cap. When the valve core module extends from the bottom of the large end cap, the molten metal sequentially enters the slurry tank through the valve port at the bottom of the guide tube, through-hole A, and through-hole B. When the valve core module retracts from the bottom of the large end cap, the molten metal is sealed and stored inside the slurry tank. This invention achieves stable quantitative molten metal feeding and allows for faster recovery after power outages. The molten metal valve port has an anti-collision structure, ensuring that even if the device experiences a violent collision with the die-casting machine or the ground during operation, the high-temperature molten metal inside will not leak, making it safer to use.

[Problem] To provide a cell bank for rapid production of regenerative T cells into which an antigen-specific T cell receptor of an individual patient have been introduced, said cell bank containing hematopoietic stem cells differentiated and induced from iPS cells, immature T cells and / or mature T cells as intermediates in the production. [Solution] A cell bank, which contains one or more kinds of cells selected from the group consisting of iPS cells, hematopoietic stem cells differentiated from iPS cells, immature T cells, and mature T cells is constructed. The iPS cells are obtained by reprogramming peripheral blood mononuclear cells from which B cells and T cells have been removed, or by reprogramming T cells. The transfection of T cell receptor gene into the hematopoietic stem cells or the immature T cells uses a viral vector, a transposon vector, or genome editing technique. The transfection of T cell receptor gene into the mature T cells uses genome editing technique.

The application provides a full-automatic medical spring winding device, which comprises a base, two fixing members for fixing a reference steel wire, a sliding seat slidingly arranged on the base, and a winding assembly arranged on the sliding seat and used for mounting a plurality of metal wire cores and winding the metal wire cores on the reference steel wire in sequence. The winding assembly comprises a plurality of winding rollers, a through hole is formed in the winding assembly, the reference steel wire passes through the through hole, the winding rollers are circumferentially distributed around the axis of the through hole, and the winding rollers are used for mounting the metal wire cores. A plurality of torsion adjusting mechanisms are arranged between the through hole and the winding rollers, the torsion adjusting mechanisms correspond to the winding rollers one by one, and the torsion adjusting mechanisms are used for adjusting the tension of the metal wire cores. Through the above structure, medical guide wires can be quickly produced, and the production efficiency is improved.

The invention provides table tennis bat plate cutting equipment which comprises a box body, a cutting platform is arranged in the box body, a first support and a second support are oppositely arranged at the upper end of the cutting platform, a first motor is fixedly connected to the first support, a first clamping plate is fixedly connected to the output end of the first motor, and a second clamping plate is fixedly connected to the output end of the second motor. A first electric cylinder is fixedly connected to the second support, a first telescopic rod is arranged at one end of the first electric cylinder in an extending mode, a second clamping plate is rotatably connected to the end of the first telescopic rod, and a cutting mechanism is arranged in the box body and comprises a fourth telescopic rod. A corner piece is fixedly connected to the lower end of the fourth telescopic rod, a second motor is horizontally and fixedly connected to the side wall of the lower portion of the corner piece, a hob is fixedly connected to the output end of the second motor, a rolling wheel is rotationally arranged on the side wall of the lower portion of the corner piece, and a guide face is arranged on the side wall of the first clamping plate. The cutting efficiency and precision can be improved.

The utility model discloses a quick forging die for a bearing ring, which belongs to the technical field of bearing manufacture and comprises a main die, an auxiliary die arranged on one side of the main die, a control panel and a water pump arranged at one end of the main die, a flow guide pipe and a feed port arranged at the top of the main die, and a connector arranged on the flow guide pipe. A water outlet pipe is arranged at one end of the auxiliary mold, mold grooves and cooling grooves are formed in the main mold and the auxiliary mold, and flowing holes are formed in the mold grooves; according to the rapid forging die for the bearing ring, a positioning rod is inserted into a positioning hole, a motor is started to enable a lead screw to be in threaded connection to an auxiliary die, then a bearing material enters a die groove, a water pump is started to enable water flow to enter a cooling groove, and water flow in a main die enters the auxiliary die through a flow guide pipe and is discharged from a water outlet pipe; and therefore, rapid cooling of the bearing ring is achieved, subsequent cutting and grinding of the bearing ring are facilitated, and the practicability of the device is greatly improved.