346results about How to "Strong process adaptability" patented technology

The invention provides a large-model-assisted dynamic configuration and quick response method for a knitting production line, and the method comprises the steps: obtaining the historical data of the knitting production line according to the dye molecular weight, the dye polar group number and the dye molecular space structure as dye property parameters, and constructing a dye property data warehouse; according to historical data of a knitting production line, dye molecular structure parameters, yarn surface morphology, material characteristics and friction coefficient test data are selected, and a correlation prediction model of dye properties and yarn friction coefficients is constructed; according to dye properties and friction coefficient distribution characteristics, performing clustering grouping on dye formula compositions, determining dye combinations having similar influence on yarn friction coefficients, and forming a dye formula and friction coefficient mapping library; knitting mechanical structure parameters, a knitting needle motion trail equation, a fabric organization structure matrix and fabric density parameters are obtained and combined with a dye formula and friction coefficient mapping library, and a weaving process digital twinning model is constructed.

The invention provides a process window optimization method and device, a medium, a program product and a terminal, and solves the problems of low light intensity contrast ratio, limited process window and high finished product defect rate of weak point and dead pixel areas through an objective function optimization and numerical programming solution method. And establishing a reasonable optimization model by taking the sum of squares of light intensity logarithmic slopes of weak and dead pixel areas as an optimization target and combining an edge section moving range, an edge position error and mutual influence factors. And meanwhile, a plurality of matrix methods such as a sparse matrix and a dense matrix are introduced, so that the optimization efficiency and precision are improved, the accurate optimization of the mask pattern is realized, the process window is expanded, the defect rate is reduced, the process stability and adaptability are enhanced, and the production efficiency and the product quality are remarkably improved.

The invention discloses an emulsion paint production temperature control management system and method, and relates to the technical field of automatic temperature control. According to the emulsion paint production temperature control management system and method, by arranging the emulsion paint temperature monitoring module, the temperature abnormity module and the temperature adjusting module, accurate temperature control in the emulsion paint production process is achieved. The temperature change of the latex paint in different production stages is monitored in real time through a temperature sensor, a temperature fluctuation curve is generated through time sequence analysis, periodic fluctuation and amplitude characteristics of temperature are recognized based on a spectrum similarity analysis technology, a temperature fluctuation intensity index is calculated, and whether temperature abnormity exists or not is judged by comparing the temperature fluctuation intensity index with a preset threshold value; when the temperature abnormity is identified, the temperature adjusting module dynamically adjusts the power output of the temperature control equipment through a PID control algorithm, and precise temperature control is achieved. The temperature control precision and the stability in the production process are obviously improved, and the quality consistency and the production efficiency of the latex paint are ensured.

The invention relates to the technical field of machine tool intelligent machining, and discloses a machining method based on deep learning and multi-sensor fusion, which comprises the following steps: collecting data in the machining process of a numerical control machine tool, and preprocessing the data in the machining process of the numerical control machine tool to obtain a data set; inputting the obtained data set corresponding to the data acquired by the plurality of sensors into a Kalman filtering algorithm for Kalman recursive filtering processing to obtain fused actual observation data acquired by the sensors; inputting a data set corresponding to the fused actual observation data acquired by the sensor and the data acquired by the numerical control system into a depth Q network algorithm, and predicting to obtain an optimal tool path; a magnetic field is applied to the machined workpiece through the excitation module; and machining a machined workpiece model along the optimal tool path by adopting an ultrasonic tool high-frequency machining method. According to the invention, the surface quality of the to-be-processed workpiece can be obviously improved.

The invention discloses a multifunctional automatic tooth socket locking device which comprises a working machine table, and the working machine table is provided with a feeding unit, a feeding station, a wire twisting unit, a detection unit and a discharging unit, and the feeding station, the wire twisting unit, the detection unit and the discharging unit are sequentially arranged around the feeding unit; through the feeding unit, and the wire twisting unit, the detection unit and the discharging unit which are arranged around the feeding unit, the machining process of feeding, assembling, detecting and discharging of product thread sleeve machining can be achieved; the machining effects of automatic material taking, assembling and tail punching of thread sleeve machining are achieved through the twisting unit of a three-axis driving structure; efficient automation is achieved in the machining process, and the machining efficiency and the machining quality can be effectively guaranteed; the secondary detection effect after the thread sleeve is machined can be achieved through the detection unit, and the high-precision machining effect of thread sleeve machining can be ensured; and the assembling equipment can adapt to assembling work of various types of products and various sizes of threaded sleeves, and has the advantages of being high in machining adaptability and wide in machining range.

The invention discloses a high-alloy wear-resistant roller repair welding material, and belongs to the technical field of alloy repair welding. The method is achieved through the three steps of a coal mill roller sleeve, a lining tile deposited metal formula, an alloy element transition coefficient formula and wear-resistant surfacing flux-cored wire preparation. The self-protection flux-cored wire can be suitable for various welding positions, and single-face welding and double-face forming are good; the production efficiency is high, and compared with manual welding, the allowable welding current of the self-protection flux-cored wire is large, and the deposition efficiency is high. According to the method, various hole pattern design methods including a strip steel edge and circumference combined bending method are adopted, the hole pattern of the roller is subjected to improved design, the forming mode of a steel strip on a wire rolling machine is changed, finally, a lap joint O-shaped section is formed, and the quality of the flux-cored wire is improved. The carbide in the welding wire surfacing sample is finer, more in quantity and more regular in arrangement.

The invention relates to the field of activated carbon adsorption boxes, and particularly provides a dust and waste gas treatment device for chemical production. The device comprises a device body, a pretreatment box is arranged on one side of the device body, a dust filtering mechanism is arranged on the inner side of the pretreatment box, the dust filtering mechanism and the dust filtering mechanism on the inner side of the pretreatment box are key components, a first baffle, a second baffle and a third baffle are arranged in a staggered mode, and an S-shaped flow channel is formed; meanwhile, the detachable filter frame and the filter material are arranged in the flow channel and act together to effectively filter dust in the waste gas, and the primary treatment process greatly reduces the treatment burden of the follow-up activated carbon box, so that the treatment efficiency is improved. The treatment effect of the activated carbon box on waste gas containing a certain amount of dust is improved, efficient operation of the whole dust and waste gas treatment device is ensured, and the treatment adaptability to the waste gas is improved.

The invention provides a metal organic framework composite adsorbent, a preparation method thereof and a hemoperfusion device, and belongs to the technical field of blood purification adsorption materials. The metal organic framework composite adsorbent provided by the invention is a metal organic framework material-polysulfone material composite sphere, the metal organic framework material has excellent adsorbability to various toxins, and the polysulfone material has good biocompatibility, mechanical strength, processing adaptability and sterilization capability; therefore, the metal organic framework composite adsorbent has good blood compatibility and toxin adsorbability, is less in adsorbent particle falling, and is suitable for the field of whole blood perfusion. The result of the embodiment shows that the metal organic framework composite adsorbent provided by the invention has excellent adsorption performance on p-cresol sulfate, indoleacetic acid, bilirubin, bile acid and endotoxin, and shows excellent blood compatibility.

A unit component combined type forest tree seedling supporting and protecting frame belongs to the field of forest tree seedling protection and is formed by combining unit components serving as basic units, each unit component comprises a positioning block, connecting blocks and a supporting rod, the two connecting blocks are correspondingly connected and installed at the two ends of the positioning block respectively, and the two connecting blocks and the positioning block form a continuous arc shape; the inner side arc face of the positioning block protrudes out of the inner side arc face of the connecting block, one end of the supporting rod is hinged to the outer side arc face of the positioning block, the other end of the supporting rod is hinged to a ground base plate, and a drill nail connecting hole is formed in the ground base plate. The supporting rods are unfolded to form a combined supporting structure, standardized unit components can be folded and stored to be in a regular structure state, integrated loading and transportation are facilitated, space is saved, cost is reduced, industrial popularization conditions are met, good production universality and process adaptability are achieved, healthy growth of forest seedlings can be guaranteed, and the afforestation survival rate is increased.

The utility model discloses a tumbling cutter for rolling finish machining of a metal workpiece, which relates to the technical field of rolling machining cutters, solves the technical problems of lower surface roughness grade, complex structure and smaller machining range in the prior art, comprises a cutter handle, and is characterized in that a pin shaft is fixedly mounted on the cutter handle; a deep groove ball bearing is installed on the pin shaft, a steel ball frame is fixedly installed at the front end of the cutter handle, a steel ball hole is formed in the front end of the steel ball frame, and a hard alloy ball is movably installed in the steel ball hole. Components are few, the structure is simple, manufacturing and maintenance are easy, and production efficiency is improved; the contact surface of the tumbling cutter is small, large pressure can be obtained, equipment load is reduced, abrasion is relieved, and the service life of equipment is prolonged; the deep groove ball bearing serving as a supporting element is small in friction coefficient and beneficial to maintaining the rolling state; and the production flexibility is improved due to the workpieces which can be subjected to roll finishing.

The invention discloses transition metal carbonitride-SiCxNy composite ceramic and a preparation method thereof.The preparation method comprises the steps that MeSi2 powder and carbon powder are mixed and then subjected to uniform ball milling, drying is conducted, further grinding is conducted, and a fully and uniformly mixed powder mixture is obtained; pressing the powder mixture into a ceramic blank by adopting a cold pressing process; and performing high-temperature heat treatment on the ceramic blank in a nitrogen environment, and cooling to obtain the transition metal carbonitride-SiCxNy composite ceramic. In the preparation process of the transition metal carbonitride ceramic, a SiCxNy ceramic phase is generated at the same time, compared with single-phase ceramic, due to the existence of a second phase, the sintering performance of the composite ceramic is well improved, the strength and the toughness are improved, the silicon-based composite carbide ceramic also shows more excellent ablation resistance, and the service life of the silicon-based composite carbide ceramic is prolonged. And wide-temperature-range and high-temperature-range application of the transition metal carbonitride is realized.

The invention relates to a preparation method of a mogroside phospholipid complex. The preparation method comprises the following steps: (1) mixing a mogroside extract and lecithin according to a certain proportion to obtain a first turbid solution; (2) adding tetrahydrofuran into the first turbid solution obtained in the step (1) to obtain a second turbid solution, and performing ultrasonic treatment on the second turbid solution to uniformly disperse the second turbid solution to obtain a first reaction solution; (3) stirring the first reaction solution obtained in the step (2) until the first reaction solution is clear and transparent to obtain a second reaction solution; (4) carrying out reduced pressure evaporation on the second reaction liquid obtained in the step (3) to remove tetrahydrofuran so as to obtain an oily film; and (5) adding a proper amount of chloroform into the oily film obtained in the step (4) to obtain a third turbid solution, filtering the obtained third turbid solution through a microporous filter membrane to obtain a filtrate, carrying out rotary evaporation to obtain the filtrate, and removing the chloroform to obtain the momordica grosvenori saponin phospholipid compound. Compared with the MGE, the fat solubility of the MGE-PC is improved by 4.34 times; and the absorption rate of MGE-PC is obviously improved by 2.7 times.

The invention discloses a method for reducing mechanical property anisotropy of pipeline steel, the pipeline steel and application of the pipeline steel, and belongs to the technical field of pipeline steel production. According to the method for reducing the anisotropy of the mechanical property of the pipeline steel, {001} lt in the pipeline steel is reduced by controlling the production process of the pipeline steel; 110gt, 110gt; and the density of a {001} cleavage plane is reduced, so that the low-anisotropy pipeline steel is obtained. The steel grade of the pipeline steel is X80, the microscopic structure is acicular ferrite, and the texture is {112} lt; 110gt, 110gt; , {554} lt; 225gt, 225gt; , {332} lt; 113gt, 113gt; a texture and a {110} slip plane are dominated; the tensile strength is 650-710 MPa, the drop-weight shear area ratio at-20 DEG C is 90%-100%, the strength difference in all directions is not higher than 30 MPa, and the drop-weight shear area ratio difference in all directions is not higher than 10%. By adopting the method, the problem of performance anisotropy of the existing pipeline steel can be effectively solved.

The invention discloses a microbial activation method and application of sintered brick slag powder, relates to the technical field of resource recycling of building solid wastes, and aims to solve the problems of large composition difference, poor performance, low utilization rate and the like of the sintered brick slag powder. According to the microbial activation method for the sintered brick slag powder, the sintered brick slag powder is activated by adopting AS1.232 bacillus mucilaginosus, so that solubilizing activation treatment is carried out, and the sintered brick slag powder subjected to microbial activation can be used as a substitute of a common active admixture, an admixture and the like; and an efficient and low-carbon regeneration application technical approach is provided for the sintered brick slag powder.

The invention relates to the technical field of aluminum matrix composites, in particular to a double-layer composite wire and a method for manufacturing a high-performance aluminum matrix composite through electromagnetic field regulation and control additive manufacturing of the double-layer composite wire. (2) the additive manufacturing process is regulated and controlled through a three-axis electromagnetic field; and (3) carrying out post-treatment on the prepared aluminum-based composite material. The Al-Ti-B alloy at the core provides an ideal reaction environment for in-situ generation of a TiB2 nanophase, and the Al-Cu-Mg alloy at the shell provides solid solution strengthening elements for a matrix. The layered design not only realizes the spatial separation of the reinforcing phase and the solid solution strengthening element, but also creates conditions for the synergistic effect of two strengthening mechanisms. And secondly, a powerful tool is provided for accurate control over behaviors of the molten pool through introduction of the three-axis electromagnetic field regulation and control technology. The magnetic field intensity and the frequency are independently regulated in the x direction, the y direction and the z direction, and multi-dimensional regulation of flowing, heat transfer and solidification behaviors of the molten pool can be achieved.

The invention belongs to the field of intelligent high polymer materials, and provides a rhodamine force-induced color-changing luminescent material as well as a preparation method and application thereof. The molecular formula of the rhodamine mechanochromic luminescent material is any one of the following # imgabs0 #, and the rhodamine mechanochromic luminescent material has the characteristics of various evolution forms, various luminescent colors and strong sensitivity control on external force response, and the mechanochromic high polymer material prepared from the rhodamine mechanochromic luminescent material has strong processing adaptability, and can adopt the current mature commercial processing preparation means. In addition, according to the preparation method of the rhodamine force-induced color-changing luminescent material, a commercialized polymer material can be adopted as a matrix, the processing and preparation process is simple, practicability is high, and large-scale preparation can be achieved.

The invention discloses deformed steel bar with yield strength larger than or equal to 830 MPa and a production method. The deformed steel bar comprises, by weight, 0.35%-0.50% of C, 0.50%-0.90% of Si, 0.40%-0.90% of Mn, smaller than or equal to 0.035% of P, smaller than or equal to 0.035% of S, 0.050%-0.120% of Al, 0.01%-0.07% of V, 0.0045%-0.010% of N and 0.40%-0.60% of Zr. The production method comprises the steps of molten iron pretreatment; smelting in a converter; refining in an LF furnace; heating the casting blank; performing rough rolling and intermediate rolling; finish rolling is conducted according to two sections; and cooling to room temperature. Under the conditions that the hot rolling yield strength Rel is larger than or equal to 830 MPa, the tensile strength Rm is larger than or equal to 980 MPa, the elongation A is larger than or equal to 6%, and the total elongation Agt under the maximum force is larger than or equal to 3.5%, the process is simple, the finish rolling deformed steel bar product performance is stable, the heating temperature is increased by 25%, the rolling mill load can be reduced by 20%, the roller consumption cost is reduced by about 18%, the production efficiency can be improved, and the process adaptability is high; and as the process window is wide, field operation and smooth production are facilitated.

The invention discloses an absorbent for fine desulfurization and decarburization of blast furnace gas, and relates to the technical field of desulfurization and decarburization of blast furnace gas. The phase-splitting agent comprises a phase-splitting agent, an alcohol amine chemical absorbent and water, the phase-splitting agent is sulfolane, and the alcohol amine chemical absorbent is diethanol amine; wherein the mass fraction of sulfolane accounts for 50-70%, the mass fraction of diethanol amine accounts for 15-25%, the balance is water, and the sum of the mass fraction percentages of the components is 100%. According to the invention, a two-phase absorbent is innovatively adopted, and the absorbent aims to overcome the limitation of a traditional absorbent and realize the function of fine desulfurization cooperating with carbon capture; the invention further relates to a blast furnace gas fine desulfurization and decarbonization combined device and a using method thereof.

The invention relates to the field of cookware materials, and provides a cookware wear-resistant material and a preparation method thereof, and the material comprises the following components: a surface modified dumbbell-shaped silicon carbide filler, a porous silicon dioxide coated silver filler, polytetrafluoroethylene, methyl phenyl silicone resin, an antioxidant 1010 and deionized water. The dumbbell-shaped silicon carbide is prepared by ball milling, spray drying, sintering and hydrochloric acid treatment and then is modified by 3-aminopropyltriethoxysilane. The porous silicon dioxide coated silver filler is prepared by taking polystyrene latex as a template, preparing porous silicon dioxide through a sol-gel method and then reacting silver nitrate with ascorbic acid. The preparation method comprises the steps of dispersing, mixing, coating and curing, the obtained material has excellent wear resistance and antibacterial property and can be widely applied to cookware surface coatings, and the problems that a traditional cookware material is low in wear resistance and poor in antibacterial property are solved.

The invention provides an installation and construction method for large equipment in a process workshop, and belongs to the technical field of plant renoving.The installation and construction method for the large equipment in the process workshop comprises the following steps that according to site conditions, a large equipment transportation path is planned, and a U-shaped steel rail, a sliding trolley and a hydraulic jack are selected; laying brick soil temporary foundations with gradually changing widths along the path to support the U-shaped steel track; equiwide short rails are arranged at the intersections of the rails, and sliding trolleys are arranged at four corners of equipment corresponding to the rails and are hoisted by hoisting equipment; the equipment is pushed to transport along the rail, and turning is realized by locking and unlocking the trolley; after reaching the position, the equipment is lifted, and brick walls are stacked and built layer by layer below to the foundation height; moving to an equipment foundation through a connecting rail, finely adjusting the position after removing the rail trolley, finally installing a bolt fixing device, and dismantling a temporary foundation; the problem that in the prior art, large equipment cannot be installed in a narrow space without a crane can be solved, and the installation cost is reduced.

The utility model provides a pump plate assembly used in a cavity, a cavity and a semiconductor device, the pump plate assembly comprises a pump ring and an air flow control assembly, the pump ring is arranged in a cavity and is provided with an air flow channel used for releasing preset air in the cavity out of the cavity; the airflow channel is provided with a plurality of airflow inlets formed in the face, close to the surrounding area, of the pump ring so that preset gas can be guided into the airflow channel through the airflow inlets to be released, and the airflow control assembly is arranged in the airflow channel. The airflow control assembly communicates with the airflow inlets so as to control the consistency of the flow of gas released after the gas flows through the airflow inlets. According to the pump plate assembly, preset gas release consistency can be achieved, the wafer surface etching uniformity can be improved when the pump plate assembly is applied to a semiconductor cleaning cavity, and good technological adaptability and applicability are met further through flexible design of the structure of the gas flow control assembly. The process stability, the product quality and the yield of the cavity and the semiconductor device are all effectively improved.

This invention discloses a Pickering emulsion based on silk fibroin self-assembled particles and its preparation method. The preparation method includes the following steps: adjusting the pH of the silk fibroin solution to 4.0-4.5, adding NaCl to a final concentration of 0.05-0.1 mol / L, mixing, and then heating to 40-50 °C and allowing it to stand at a constant temperature. Using the obtained silk fibroin self-assembled particle dispersion as the aqueous phase and vegetable oil as the oil phase, the mixture is mixed with excipients and homogenized by high-speed shearing to obtain a primary emulsion. This primary emulsion is then treated by high-pressure microfluidic jet to obtain the Pickering emulsion based on silk fibroin self-assembled particles. This method requires no chemical modification or exogenous reagents, is green and simple, and does not use organic solvents. It can prepare emulsions with high biosafety and high storage stability without emulsifiers, improving process safety and scalability, and broadening its application in the food, cosmetics, and biopharmaceutical fields.

The utility model relates to the technical field of vibration screening equipment, in particular to a square tube cross beam structure with a trapezoid reinforcing plate and vibration screening equipment. The cross beam connecting plates are welded to the two ends of the square tube and used for being connected with a screen frame or an external component; the cross beam trapezoidal plates are symmetrically attached to the side walls of the square tube, and the lower bottoms of the cross beam trapezoidal plates extend outwards to form supporting surfaces; the square plate is fixed at the upper end of the trapezoidal plate of the cross beam and is used for dispersing load; mounting holes are formed in the upper portion of the square plate and used for being connected with a screen bottom beam. The scheme has the advantages of light weight, high fatigue resistance and process adaptability.

The present application belongs to the technical field of carbon fiber composite materials, and particularly relates to a carbon fiber composite material with high-frequency damping performance and a preparation method thereof. Through multi-component synergistic modification of an epoxy resin matrix, a nitrile rubber composition and a boron nitride composition, combined with carbon fiber surface treatment and a segmented curing process, a multi-scale damping energy dissipation network is constructed. The material exhibits excellent damping performance in a high-frequency vibration environment, while also having high mechanical strength and interfacial bonding force, which can significantly reduce the damage risk caused by vibration transmission of sports equipment, and is suitable for high-end sports equipment field, promoting the industrial application of carbon fiber composite materials in high-frequency damping scenarios.

The utility model discloses a numerical control double-shaft drilling and milling tapping device, which relates to the field of numerical control machine tools, and comprises a workbench, the lower surface of the workbench is fixedly connected with a support column, one end of the support column far away from the workbench is fixedly connected with a moving wheel, the upper surface of the workbench is fixedly connected with a protective cover, and a transmission mechanism is arranged in the workbench; a connecting seat is fixedly connected to the lower surface of the fixed seat, a connecting rod is connected to the lower surface of the connecting seat, a drilling and milling head is fixedly connected to the end, away from the connecting seat, of the connecting rod, an electric push rod is fixedly connected to the interior of the drilling and milling head, and a moving piece is fixedly connected to the output end of the electric push rod; the transmission mechanism is embedded in the side wall of the workbench, the connecting base is connected with the connecting rod through the magnetic locking mechanism, the drilling and milling head is made of a carbon fiber composite material and internally provided with a cooling channel, and the effects of the numerical control double-shaft drilling, milling and tapping device which improves the machining precision of the drilling and milling device and is simple in structure and good in heat dissipation are achieved.

The utility model provides automatic punching equipment, which relates to the technical field of punching equipment and comprises a base dislocation assembly and a feeding and discharging part changing mechanism, the feeding and discharging part changing mechanism for bolt assembly is arranged on the top side of the base dislocation assembly, and a punching part for bolt assembly is arranged above the outer side of the base dislocation assembly. The feeding and discharging part changing mechanism comprises a side plate shell, a driving motor, a roller rod, a transmission belt, a bolt bottom plate, a positioning hole plate, a driving lead screw, a sliding frame, a cross arm, a power mechanical arm and a mechanical clamp. The side plate shell is arranged on the top side of the base dislocation assembly. According to the automatic tapping machine, conveying of a workpiece body is achieved mainly through sequential transmission operation of the sliding frame, the cross arm, the power mechanical arm and the mechanical clamp, and after the position of a standby tapping head on a standby sleeve cabin is adjusted, the standby tapping head and a tapping head below a plug-in machine box are replaced. And the device can conveniently adapt to different specifications and sizes, and the machining adaptability of the device is improved.

The present application provides a kind of online quality monitoring method of traditional Chinese medicine in near infrared combined fluidized bed granulation process, the monitoring method will near infrared spectrum (NIRs) technology be combined with partial least squares (PLSr), and the online monitoring model of key quality attribute (CQAs) in granulation process of Buqi Tongluo Granules (BQTL-G) is constructed.Based on the real-time monitoring data of the model, the key process parameter of peristaltic pump speed is dynamically regulated by negative feedback mechanism through PID controller, the bed collapse problem caused by excessive moisture content in the granulation process is accurately intervened, and the granulation process state is stabilized.The online quality monitoring method of the present application solves the quality uniformity problem commonly existing in the production process of traditional Chinese medicine granules.

The invention provides an engine medicine baffle assembly and a preparation process, the engine medicine baffle assembly comprises a metal base, the metal base is provided with a medicine baffle buffer layer, and the medicine baffle buffer layer is prepared from the following raw materials: liquid silicone rubber, a flexibilizer, silica powder, zirconium boride, carbon fibers, quartz fibers and polyimide fibers. According to the process, integrated compression molding of the medicine baffle assembly of the engine is achieved through a special mold. The invention provides the silicone rubber-based explosive baffle assembly with good comprehensive performance and mold pressing fluidity, and reliable support for the explosive column and the ignition device can be realized. According to the engine medicine baffle assembly, the problems that in the prior art, when a medicine baffle buffer layer is made of organic materials such as polyurethane and ethylene propylene diene monomer or inorganic coatings such as silicate and zirconium oxide, the steps are tedious, the material performance cannot meet the requirement, or the cost is high are effectively solved.

The utility model discloses a high-rigidity half-moon groove tool rest unit of a combined lathe and the combined lathe, belongs to the technical field of numerical control combined lathes, and solves the problems that a traditional linear guide rail feeding structure is large in occupied space, poor in rigidity and unstable in machining quality. The tool rest unit comprises a tool rest body, and a guide groove is formed in the circumferential face of the tool rest body and axially penetrates through the tool rest body. A sliding groove plate matched with the guide groove is arranged in the guide groove. The sliding groove plate is shorter than the guide groove and used for bearing a cutter. And the section of the guide groove is half-moon-shaped. Limiting plates are installed on the portions, on the two sides of a groove opening of the guide groove, of the tool rest body respectively, and the limiting plates are pressed on the sliding groove plates so as to limit movement of the sliding groove plates in the radial direction. Due to the fact that the sliding groove and the sliding groove plate are arranged on the peripheral face of the tool rest body, occupied space is reduced, and rigidity and transmission efficiency of the whole structure are improved. The tool rest unit is matched with a narrow space scene of a multi-spindle lathe, and the machining requirements of high precision and high efficiency are met.