53results about How to "Reduce thermal deformation" patented technology

The invention relates to the field of metal surface treatment, and discloses a multi-layer vacuum coating method for enhancing the surface of a high-precision metal part, which comprises the following steps: S1, surface treatment: removing surface pollutants and oxide layers through plasma cleaning, and coarsening the surface of a base material through laser etching; s2, coating deposition is conducted, specifically, a metal transition layer and a multi-layer nano hard coating are deposited in an enhanced mode through plasma; s3, depositing a self-lubricating coating: depositing the self-lubricating coating by pulse laser; s4, post-treatment: carrying out ion beam assisted post-treatment; s5, heat treatment: performing low-temperature heat treatment to eliminate stress. Through the plasma enhanced PVD and pulse laser deposition technology, the multi-layer nano coating is deposited under the low-temperature condition, the problem of thermal deformation of a heat-sensitive metal base material caused by a traditional high-temperature process is solved, and it is ensured that the multi-layer coating with high hardness and high compactness can still be formed on the premise that the size precision of the base material is not affected; and therefore, the method can be widely applied to surface treatment of high-precision parts.

The invention discloses a pixel projection lens and an automobile, and relates to the technical field of automobile illumination, the pixel projection lens is provided with an object side and an image side which are correspondingly arranged along the optical axis direction, the pixel projection lens comprises a first lens, a second lens, a third lens, a fourth lens and an image surface from the object side to the image side in sequence, the focal length of the first lens is f1, the focal length of the second lens is f2, the focal length of the third lens is f3, the focal length of the fourth lens is f4, and the pixel projection lens meets the following conditions: 10lt; f1lt; 20; -6 lt; f2lt; f2lt; -14.5,-14.5,-14.5; 30 lt; f3lt; f3t; 40); 35 lt; f4lt; f4t; 50; the first lens and the second lens are aspheric lenses, and the third lens and the fourth lens are glass spherical lenses. By means of the arrangement, the pixel projection lens is good in imaging quality and good in stability and can not defocus under the environment condition of-40 DEG C to 105 DEG C, and therefore it is fully guaranteed that the pixel projection lens works stably in the environment with the large temperature difference.

The invention provides a water-jet guided laser processing system for sheet materials. The water-jet guided laser processing system comprises a laser; a spectroscope; a focus lens; a water guide processing head; the to-be-machined thin plate is subjected to water-guided laser cutting machining through water jet; the array porous supporting thin plate is attached to the bottom of the to-be-machined thin plate from the bottom direction, and an integrated supporting structure is formed for the to-be-machined thin plate; the first clamp is used for clamping the thin plate to be machined and the array porous supporting thin plate from the upper surface of the thin plate to be machined and the lower surface of the array porous supporting thin plate; and the drainage device is positioned below the array porous supporting thin plate. Thin plate deformation control and water flow control of a water guide laser system are achieved by optimizing the thin plate supporting design, the direction and strength of water flow are accurately controlled, interference of water flow to the thin plate is reduced, the cooling effect and the laser transmission mode are improved, deformation and displacement of thin plate materials are effectively restrained, and the machining precision, stability and surface quality are improved. The problems that in the prior art, thin plate machining precision is poor, and the surface is unstable are solved.

The invention provides a fully synthetic cutting fluid special for a copper part and a preparation process thereof. The fully synthetic cutting fluid special for the copper part comprises the following raw materials in parts by weight: 0.5-2.0 parts of a defoaming agent, 1.0-3.0 parts of an antioxidant, 0.5-2.0 parts of a corrosion inhibitor, 2.0-5.0 parts of a surfactant, 0.5-1.5 parts of a metal ion complexing agent and 80.0-100.0 parts of deionized water. Wherein the antioxidant is prepared from carnosol, daidzin and butylated hydroxytoluene. The carnosol and the daidzin can be used for reducing the oxidation reaction by capturing free radicals, and the butylated hydroxytoluene can be used for further enhancing the anti-oxidation effect by interrupting the oxidation chain reaction. And through the combined action and mutual complementation of different anti-oxidation mechanisms, a synergistic effect is formed, and oxidation of the copper part in the machining process is effectively prevented. Wherein the metal ion complexing agent is composed of isothiocyanate, polyaspartic acid and amino trimethylene phosphonic acid, multiple protection mechanisms are formed, and the corrosion resistance of the copper part is remarkably improved. And the existence of the metal ion complexing agent is also beneficial to improving the stability of the cutting fluid.

The invention provides a 3D printing nozzle multi-direction spiral airflow generator which comprises a shell, a nozzle is arranged in the middle of the shell, a flow guide groove is formed in the bottom of the shell, a spiral airflow generator body is arranged in the flow guide groove, a plurality of air outlets are formed in the spiral airflow generator body in a downward inclined mode, and the multiple air outlets are formed in the outer side of the nozzle in the circumferential direction; air flow generated by the cooling fan flows into the flow guide groove, under the guidance of the spiral air flow generator body, the cooling air flow forms an anticlockwise (overlook angle) air flow vortex and a wind hole area in the center of the vortex air flow around the lower portion of the spray head, and under the help of the cooling effect of the omni-directional spiral air flow cooling, the cooling effect is improved. The fused deposition type 3D printer can successfully print the arm extension structure with the included angle ranging from 0 degree to 85 degrees with the vertical direction under the condition that a supporting structure is not printed, material waste of the FDM printer for printing the supporting structure is reduced, the overall printing time is shortened, the structural reliability of a 3D printing model is enhanced, and the success rate of 3D printing is increased.

The invention relates to the technical field of modified plastics, in particular to a soft PVC composition for injection molding and a preparation method thereof. The soft PVC composition for injection molding comprises the following components in parts by weight: 50 parts of PVC resin, 24-60 parts of a plasticizer, 120-160 parts of a polyester elastomer, 0-30 parts of a filler, 3-4 parts of a heat stabilizer, 2-3 parts of an acrylate processing aid, 0.3-0.9 part of a lubricant and 0.5-1 part of phosphite, the plasticizer comprises at least one of an orthophthalic plasticizer, a para-benzene plasticizer, a trimellitic plasticizer, a polyester plasticizer and epoxy soybean oil. According to the soft PVC composition for injection molding, thermal deformation and cracks caused by high temperature are reduced by adopting the polyester elastomer, so that the strength and durability of a product are improved, the compatibility between the PVC resin and other components such as the polyester elastomer is improved by adopting the plasticizer, the bonding strength of the soft PVC composition for injection molding is favorably improved, and the soft PVC composition for injection molding is more durable and reliable in the use process.

The invention discloses a water jet assisted millisecond laser-femtosecond laser secondary composite hole making method. The method comprises the steps that S1, an iron-based high-temperature alloy material is pretreated; s2, preliminarily processing the iron-based high-temperature alloy material through millisecond laser assisted by water jet, and punching for the first time; s3, the transferred iron-based high-temperature alloy material is subjected to finish machining under femtosecond laser, and second-time punching is conducted in combination with ultrasonic vibration; and S4, after punching is completed, the iron-based high-temperature alloy material is cooled, and the quality and precision of machined holes are checked. According to the method, water jet is used for assisting millisecond laser to conduct preliminary punching, heat affected zones are reduced, a good hole shape foundation is laid, fine machining is conducted in combination with ultrasonic vibration assisted femtosecond laser, the roundness and surface quality of holes are further improved, and the machining precision is improved. The problems of poor hole roundness and low machining precision caused by high thermal conductivity of the iron-based high-temperature alloy in femtosecond laser drilling are effectively solved, and the machining quality and precision are remarkably improved.

The application provides a high-hypersonic wind tunnel piece water-cooled hinge torque balance measurement system and belongs to the technical field of wind tunnel test measurement.The application aims to solve the problem that the rudder surface is difficult to be externally cooled due to thin structure and the hinge torque is difficult to be measured in the prior art.The aircraft fuselage is connected with the aircraft wing and the piece water-cooled hinge torque balance in the application.The top and bottom of the piece water-cooled hinge torque balance are respectively provided with a balance upper cover plate and a balance lower cover plate.The upper end surface of the balance lower cover plate is flush with the aircraft fuselage.The balance free end, the balance measurement element and the fuselage mounting base of the piece water-cooled hinge torque balance are sequentially connected.The balance free end is connected with the measured rudder surface through an angle ear.The balance measurement element is pasted with a strain gauge, and the balance measurement element is internally provided with a water-cooled groove circuit.The application solves the problem that the measurement precision is greatly reduced due to high temperature in the high-hypersonic wind tunnel test, and the rudder surface is difficult to be externally cooled due to thin structure and the hinge torque is difficult to be measured.

The cable printing device comprises a printing mechanism, the printing mechanism comprises a cleaning assembly, a mounting plate and a printing wheel, and the printing wheel is mounted on the mounting plate; the cleaning assembly comprises a brush plate and a position adjusting screw rod, the brush plate is installed on one side of the printing wheel, one end of the position adjusting screw rod is connected to the installation plate, the brush plate is in threaded connection with the position adjusting screw rod, bristles are further arranged on the brush plate, and the face, provided with the bristles, of the brush plate faces the printing wheel. Through the arrangement of the cleaning assembly, impurities on the side wall of the printing wheel are effectively cleaned, the situation that characters printed on the cable are not clear or incomplete is reduced, and therefore the percent of pass of the cable is effectively improved; and through the arrangement of the cooling mechanism, the thermal deformation of characters printed on the cable is effectively reduced, so that the aesthetic degree and the qualified rate of the cable are improved.

The invention relates to the field of machining, and discloses a coated tool and a coating preparation process thereof.The coated tool comprises a tool bit, a tool bar is integrally and fixedly connected to the bottom of the tool bit, a tool fixing structure is fixedly connected to the bottom of the tool bar, and a threaded groove for locking is formed in the upper end of the side face of the tool fixing structure; a rotary knob for fixing is in threaded connection in the area, corresponding to the threaded groove for locking, of the side face of the tool fixing structure, a first cooling liquid channel is formed in an inner cavity of the tool bit, the inner cavity of the tool fixing structure is hollow and communicates with the inner cavity of the tool bit, and an alloy supporting rod is movably inserted into the inner cavity of the tool fixing structure; according to the coating cutter, the self-locking gasket is used for preventing looseness, mounting and dismounting are easy and convenient, the built-in cooling liquid channel is used for heat dissipation and lubrication, multiple assemblies are matched for stable positioning, the coating technology is precise, the performance is improved, the stability, working efficiency, machining precision and adaptability of the cutter are greatly improved, the service life of the cutter is greatly prolonged, and the operation difficulty and production cost are reduced.

This utility model relates to the field of semiconductor component manufacturing technology, and particularly to an ejection mechanism for a wafer heating plate, comprising a heating plate, a base plate, a vertical plate, a sliding cylinder, a connecting plate, and support columns. The heating plate is positioned above the base plate, and the sliding cylinder is positioned below it. A central circle is located in the middle of the heating plate, where the wafer is placed. The center of the central circle is concentric with the center of a circular hole. The sliding cylinder is connected to the base plate via the vertical plate, and the vertical plate and base plate are connected by a locating pin. Three support columns are positioned above the connecting plate at the top of the sliding cylinder, with the tops of the columns inserted into through holes in the heating plate. This utility model uses ceramic support columns to lift the wafer from below. Ceramic material has excellent high-temperature resistance and minimal thermal deformation, improving the stability of the mechanism. The sliding cylinder is connected to the base plate and located away from the heating plate area, avoiding the impact of the high temperature of the heating plate on the performance of the sliding cylinder. A speed control valve controls the lifting speed of the support columns, improving the smoothness of the lifting process.

This utility model discloses a busbar trunking cutting and shearing device, applied in the field of power distribution equipment processing technology. It includes a trunking plate B, with side plates B slidably connected to both sides of the inner wall of the trunking plate B. A connecting rod B is bolted to opposite sides of the two side plates B. Sliding sleeves are bolted to the top and bottom of the connecting rod B. This utility model uses concentric clamping to evenly distribute cutting stress, avoiding twisting or local deformation of the busbar trunking due to unilateral force, maintaining the geometric accuracy of the conductor arrangement, effectively offsetting vibrations generated by the contact between the tool and the material during cutting, reducing the risk of chipped edges, and avoiding tilted or stepped cross-sections caused by workpiece offset. Timely separation avoids slippage or tipping of the cut piece due to gravity and mechanical stress, reducing secondary injuries such as pinching and collisions. The separation action reduces continuous friction between the cutting surface and the tool, preventing the expansion of burrs and extending the tool's service life.

The invention discloses a laser additive direction-adjustable heat dissipation device based on the phase change process and a control method, and the device comprises a supporting shell, and a pair of opposite side walls of a shell body of the supporting shell are provided with openings to form a hollow installation space; the mounting assembly is movably mounted on the inner wall of the mounting space, and the position of the mounting assembly can be adjusted relative to the mounting space; the driving end of the driving assembly is connected with the mounting assembly through the transmission assembly, and the driving assembly is used for driving the mounting assembly to move in a preset position track in the mounting space; the spraying assembly is arranged on the mounting assembly and used for spraying a heat dissipation preparation so as to reduce the real-time temperature of the laser generation equipment during laser additive manufacturing; the spraying assembly comprises a spraying piece. The equipment temperature in the laser additive manufacturing process is effectively reduced, the problems of material performance reduction and equipment loss caused by high temperature are solved, and the heat dissipation efficiency and the manufacturing stability are improved.

The invention belongs to the technical field of cutting devices, and particularly discloses an electromagnetic valve magnetic core bar cutting device which comprises a workbench, a working cavity is formed in the top of the workbench, a protective shell is fixedly connected to the inner wall of the working cavity, and a cutting mechanism used for cutting bars is arranged in the protective shell. A hydraulic push rod used for adjusting the height of the cutting mechanism is arranged on the top of the protective shell. Through the arrangement of the limiting structure, bars of different specifications can be rapidly clamped under the action of the limiting assembly, the bars can be driven to rotate in the bar moving process through the auxiliary assembly, the surfaces of the bars can be well cleaned when the bars penetrate through the cleaning block, the cutting mechanism can cut and machine the bars conveniently, and the machining efficiency is improved. And after cutting is completed, the cutting device can rotate reversely to be matched with a cleaning block to clean residual chippings on the surface of the cutting device, the subsequent independent cleaning step is omitted, operation is easy and convenient, and the working efficiency is effectively improved.

The invention discloses a ship body integral manufacturing forming device and method, and belongs to the field of ship body forming manufacturing. The device comprises a power module, an electrode module, a conductive metal strip, a liquid injection module, an edge pressing module and a mold; the blank pressing module is pressed above the ship edge of the prefabricated workpiece, so that the prefabricated workpiece is fixedly pressed in the mold, the prefabricated workpiece is fixed between the blank pressing module and the mold, a closed space is formed between the blank pressing module and the opening end of the prefabricated workpiece, and after liquid is injected into the closed space, the prefabricated workpiece is equivalent to a flexible container; when the device is used for forming the prefabricated workpiece, the conductive metal strip explodes under the action of pulse current generated by the electrode module, shock waves are formed in liquid, the shock waves drive the metal workpiece to deform, and therefore the shape correction of the prefabricated workpiece is achieved. According to the device, the equipment and production cost can be reduced, the proficiency of workers can be reduced, the production efficiency and the product quality can be improved, and the device is suitable for rapid, accurate and low-cost forming and manufacturing of various ship bodies.

This utility model discloses a tooling for a cooling device of a spiral wound pipe flaring mold, relating to the field of pipe forming mold technology. It includes a lower mold, an upper mold, a mold core, and a forming mold. The lower and upper molds are symmetrically arranged vertically and are closed by external pneumatic pressure, forming a hollow mold cavity in the middle. The mold core is located at the center of the mold cavity, and a forming cavity for forming the molded part is formed between the mold core and the inner walls of the upper and lower molds. The forming mold is symmetrically divided into upper and lower parts, which are respectively fixedly installed on one side of the lower and upper molds. The spiral flow channel groove of the ring in this utility model extends the cooling water path and enhances heat exchange efficiency. The positioning pin connecting the lower mold and the positioning hole connecting the upper mold cooperate to avoid misalignment. The external pneumatic component drives the lower and upper molds to close, reducing manual intervention.

This invention relates to the field of plasma spraying, and more particularly to a method and apparatus for localized precision spraying in plasma spraying. The technical solution is as follows: For forming a coating on a target area of ​​a workpiece, it includes the following steps: Step 1: Enclosing and positioning. Based on the shape and size of the area to be sprayed on the workpiece, a surrounding ring with a matching inner diameter is selected. The surrounding ring is installed on a fixed ring, and the surrounding layer of the surrounding ring is tightly fitted to the workpiece surface so that the spraying space only covers the target area. This invention, through replaceable surrounding rings, can customize the enclosing of local areas of workpieces of different sizes and shapes, ensuring that the spraying operation only acts on the target area, avoiding waste of coating material and contamination of non-target areas of the substrate, achieving localized precision spraying. The heat-resistant ceramic surrounding layer and the ceramic ring form a thermal barrier during the spraying process.

The utility model relates to the technical field of transmission rollers, and discloses a waterproof and dustproof chamfering grinding wheel rotor assembly which comprises a grinding wheel bearing seat, deep groove ball bearings are evenly arranged in an inner cavity of the grinding wheel bearing seat, outer rings of the deep groove ball bearings are fixedly connected with the inner cavity of the grinding wheel bearing seat, inner rings of the deep groove ball bearings are fixedly sleeved with a grinding wheel shaft, and the grinding wheel shaft is fixedly connected with the grinding wheel bearing seat. The grinding wheel shaft is movably connected with the grinding wheel bearing seat in a sleeved mode, the right portion of the grinding wheel bearing seat is fixedly provided with a grinding wheel shaft seat gland, the portion, located on the right portion of the grinding wheel bearing seat, of the right portion of the grinding wheel shaft is fixedly connected with a multi-wedge belt wheel in a sleeved mode, and the multi-wedge belt wheel is movably connected with the grinding wheel shaft seat gland in a sleeved mode. The problems of poor sealing performance and fast abrasion under the high-speed working condition are solved, the rotor is not prone to being invaded by dust during high-speed operation, lubrication failure is avoided, the service life is prolonged, the reliability and production efficiency of equipment are remarkably improved, and the high-speed sealing device is suitable for severe industrial scenes such as high-strength glass edge grinding machines and the like.

The full-laser welding bulging long plate heat exchanger for the high-salt dust working condition comprises a heat exchanger body, and the heat exchanger body comprises fixed supporting plate ground feet, fixed supporting plates, fastening semicircular groove holes, tail supporting stand columns, tail supporting beams, supporting top beams, guide rail beams and supporting rods; the tail supporting stand columns are fixedly arranged on the fixed supporting plate ground feet, the multiple sets of fixed supporting plate ground feet are arranged, the fixed supporting plate is fixedly arranged on the multiple sets of fixed supporting plate ground feet, multiple sets of fastening semicircular groove holes are formed in the two sides of the upper edge of the fixed supporting plate, the tail supporting beams are fixedly arranged on the tail supporting stand columns, and the two sets of guide rail beams are oppositely arranged up and down. According to the heat exchanger, the pressure resistance of the heat exchanger can be effectively improved, in a high-salt flue gas environment, leakage caused by corrosion of the sealing ring is reduced, the welding compactness is improved, blockage caused by high-salt dust residues is reduced, the cleaning difficulty is reduced, the dismounting and cleaning difficulty is reduced, and the labor intensity is reduced.

The utility model provides a cutter bar installation device with cooling effect, which comprises a cutter sleeve seat and a cutter sleeve, the cutter sleeve seat comprises a body and a cooling channel, the body can be fixed on a rotary disc cutter tower, the cooling channel is formed by extending from the surface of the body to the inside of the body, the cutter sleeve is arranged in the cutter sleeve seat, the cutter sleeve comprises a containing groove and a cutter sleeve flow channel, and the containing groove is communicated with the cutter sleeve flow channel. The containing groove can contain the cutter bar assembly, the cutter sleeve flow channel extends inwards from the surface of the cutter sleeve to be communicated with the containing groove, and the cutter sleeve flow channel is communicated with the cooling channel of the cutter sleeve base. Cooling liquid can be supplied to the cutter bar assembly with the inner cooling flow channel for use through the cooling channel of the cutter sleeve seat and the cutter sleeve flow channel of the cutter sleeve, compared with an existing machining machine with a rotary disc cutter tower, the outer spray head independent of the cutter bar installation device is adopted, the cooling effect is limited, the cooling effect can be improved, and the machining efficiency is improved. And the service life of the tool applied to the rotary disc tool turret is prolonged.

The present invention relates to the field of coil production technology, and specifically to a laser cutting device and laser cutting process for a charging coil, comprising a frame; the frame is provided with a carrier movably disposed at the bottom of the copper foil; the moving speed of the carrier is the same as the transmission speed of the copper foil; a water storage part is disposed in the carrier; the frame is provided with a first laser head, a water injection device, a first cooling device, a second laser head, a second cooling device and a third laser head in sequence along the transmission direction of the copper foil. The present invention provides a through hole on the waste area on the copper foil, fills liquid between the copper foil and the top surface of the body, and fixes the copper foil on the top surface of the body by freezing the liquid; on the one hand, during the laser cutting process, the liquid can absorb the heat of the cutting part and reduce the thermal deformation of the charging coil; on the other hand, during the separation of the charging coil and the copper foil after cutting, since the waste area is fixed by a solid part, the charging coil and the waste area can be more easily separated.

The utility model discloses a square rectangular steel pipe column node structure of a building steel structure, which comprises a pipe column body, a pipe wall plate block, inner partition plates and a process steel liner, a hole is formed in the pipe wall plate block cut from one pipe surface in a pipe column body node area, two inner partition plates are arranged at the transverse edge of an inner cavity of the hole, and after the inner partition plates are welded with the inner wall of a pipe, the process steel liner is welded with the inner wall of the pipe. And the pipe wall plate is reset to be welded with the inner partition plate and the pipe orifice wall. The utility model provides a feasible structure for production and processing for enabling the beam-column connection to meet the stress requirement under the condition that the steel pipe is not cut off at the node of the square rectangular steel pipe column, can effectively reduce the manufacturing process links, improve the production efficiency and reduce the production cost, and has the advantages of simple structure and quickness in manufacturing.

The present invention belongs to the technical field of cutting devices, and specifically discloses a bar cutting device for a solenoid valve core, comprising a workbench, a working chamber is opened on the top of the workbench, a protective shell is fixedly connected to the inner wall of the working chamber, a cutting mechanism for cutting the bar is arranged inside the protective shell, and a hydraulic push rod for adjusting the height of the cutting mechanism is arranged on the top of the protective shell; by setting a limiting structure, the bar of different specifications can be quickly clamped under the action of the limiting component, and the auxiliary component can be used to drive the bar to rotate in the process of moving the bar, so that the surface of the bar can be well cleaned when it passes through the cleaning block, which is beneficial to the cutting mechanism for cutting the bar, and after the cutting is completed, the bar can be rotated in the opposite direction to cooperate with the cleaning block to clean the debris residue on the surface, thereby reducing the subsequent separate cleaning steps, simplifying the operation, and effectively improving the work efficiency.

This invention discloses a through-type three-medium plate-fin heat exchanger and its manufacturing method, relating to the field of heat exchanger technology. It includes a pair of coolant manifolds and a pair of refrigerant manifolds, as well as refrigerant flat tubes and coolant flat tubes arranged between the pair of coolant manifolds. Adjacent coolant and refrigerant flat tubes share common air-side fins. The coolant flat tubes are sealed and connected between the pair of coolant manifolds, and the refrigerant flat tubes pass through the pair of coolant and refrigerant manifolds and are sealed and connected between the pair of refrigerant manifolds. This invention arranges both coolant and refrigerant flat tubes between the pair of refrigerant manifolds, with shared air-side fins between them, enabling coupled heat exchange between coolant, refrigerant, and air within a single heat exchanger core. The through-type structure of the coolant flat tubes passing through the coolant manifolds reduces pipe routing and space occupation, improves structural compactness, and reduces the pressure on the front-end module layout of the vehicle.

The invention discloses a preparation method of an organic-inorganic hybrid phase change energy storage material, belonging to the technical field of energy storage material processing. The invention comprises the following steps: adding polyethylene glycol, tridecanedioic acid, toluene and a catalyst into a reactor and stirring, raising the temperature of the reactor to 80-90°C, and keeping the temperature for reaction for 6-8h; during the reaction, removing by-products through a water separator, and post-processing to obtain modified polyethylene glycol. The invention improves the energy storage performance of polyethylene glycol and the outer shell structure of the phase change energy storage material by optimizing the thermal conductivity and load performance of the load carrier, thereby effectively improving the anti-leakage performance and energy storage density of the phase change energy storage material, and also improving the thermal conductivity and thermal cycle stability of the phase change energy storage material.

The utility model relates to a stainless steel casting with high stability and high temperature resistance, which comprises a casting main body, and further comprises a heat conduction assembly, two pressing plates, a plurality of double-end studs and nuts with the number twice that of the double-end studs, the heat conduction assembly comprises a plurality of groups of heat conduction parts, and the plurality of groups of heat conduction parts surround the outer side of the casting main body and cover the outer wall of the casting main body; the two pressing plates are arranged at the two ends of the casting body correspondingly, the opposite sides of the two pressing plates make contact with the two ends of the heat conduction parts in an attached mode correspondingly, and each double-end stud penetrates through the two pressing plates and one set of heat conduction parts. Through cooperative arrangement of the casting main body, the heat conduction assembly, the pressing plate, the double-end stud and the nut, the heat conduction assembly can be conveniently assembled and fixed to the outer side of the casting main body, welding machining operation is reduced, the heat conduction assembly can be stably assembled to the outer side of the casting main body, and falling of the heat conduction assembly when the casting is used is reduced.

This utility model relates to a cooling mechanism for the slide rail of a gantry machine tool, including a slide saddle, a slide ram, and a cooling assembly. The slide ram moves up and down within the inner cavity of the slide saddle via a drive mechanism, and the guide rail surface of the slide ram contacts the inner cavity of the slide saddle. The cooling assembly includes cooling plates for cooling the guide rails at the four corners of the slide saddle and a cooling machine for supplying coolant to the cooling plates through a pipe assembly. This utility model relates to the field of gantry machine tool technology. This gantry machine tool slide rail cooling mechanism has a cooling system fixed on both sides of the slide saddle. The cooling system consists of cooling plates, pipes, connectors, etc. The entire cooling system is supplied with coolant by the cooling machine. The coolant circulates through pipes into the circulation groove of the cooling plates and finally flows back to the cooling machine, forming a circulating cooling system for the slide saddle and slide ram guide rails. This reduces the thermal deformation of the slide saddle and slide ram, thereby improving the machining accuracy of the machine tool.

The present invention discloses a circulating cooling device for a gear chamfering machine tool in the technical field of gear processing equipment, comprising a gear hobbing assembly, a linear moving assembly, a rotating working arm and a processing table; a transmission assembly and a gap water spray assembly are arranged in the rotating working arm; the transmission assembly is used to transmit the torque generated by the rotating working arm to the gap water spray assembly; the intermittent water spray assembly is used to perform high-pressure water spraying treatment on the contact position between the currently processed gear and the chamfering tool based on the torque generated by the rotating working arm; a wastewater recovery assembly is arranged on the processing table; a detection module is arranged in the wastewater recovery assembly; the detection module is used to detect the processing quality of the processed gear; the detection module is electrically connected to a control module; the control module is used to optimize the chamfering processing parameters based on the processing quality. This solution effectively prevents the processing quality from being reduced due to excessive temperature by spraying water to cool down the real-time contact position between the gear and the chamfering tool.

The utility model relates to the technical field of spherical milling and grinding machines, in particular to a spherical milling and grinding machine with a grinding surface cooling mechanism, which comprises a machining table clamping component and an annular pipe (a spray head is fixed on the inner ring surface, a telescopic hose is connected to one side of the outer ring surface, and an adjusting component is arranged on the other side). One side of the outer ring surface of the annular pipe is fixed with one end of a telescopic hose, and the other end of the telescopic hose is communicated with a liquid storage tank through a pump body; the adjusting assembly comprises a connecting frame, one end of the connecting frame is fixed to the annular pipe, the other end of the connecting frame sleeves a threaded rod in a threaded mode, and the two ends of the threaded rod are rotationally sleeved with the limiting plate and the rack respectively. The cooling liquid spraying range is expanded through the design of the annular pipe, uniform cooling is achieved through multi-angle spraying, local overheating is avoided, workpiece thermal deformation and machining errors are reduced, and the machining efficiency and quality are improved. Cooling liquid flows back to the liquid storage tank through the through hole of the machining table and is recycled after being filtered, and waste is reduced.

The invention discloses a multi-size hole site laser cutting system and method based on dynamic focus adjustment, and belongs to the technical field of machining. The system comprises an analysis and planning module used for receiving a digital processing drawing, analyzing geometric features of hole sites, establishing radius-thickness ratio parameters according to aperture and plate thickness, constructing a multi-hole-site processing sequence in combination with a heat accumulation index of a workpiece surface, and generating a corresponding focus offset initial quantity at the same time; the dynamic focusing laser execution module is used for realizing dynamic adjustment of a laser focus in the optical axis direction through a movable zoom lens group arranged in an internal light path of the laser processing head; the monitoring module is used for collecting photoelectric signals generated in the laser machining process and relative distance signals between a laser machining head and the surface of a workpiece and transmitting the signals to the control module. And the control module is used for dynamically controlling the focus position and the laser output power based on the monitoring signal, so that the laser focus is adaptively adjusted between the perforation stage and the contour cutting stage.