52results about How to "Reduce surface damage" patented technology

The invention relates to the field of machining and automatic control, in particular to a pressure-sensing precision mechanical part polishing brush system and method. Comprising the following steps: converting and processing pressure data to obtain processed pressure data; calculating the difference between the current pressure and the target pressure based on the processed pressure data, and mapping the target pressure into the path track; optimizing the path through the path optimization objective function and the constraint condition to obtain an optimized path; based on the optimized path, obtaining a torque variation; a path adjustment amount is obtained through the torque variation; and correcting the optimized path through the gain parameter and the path adjustment amount to obtain a corrected path. The problems that the relation between the motion trail of the brush and the contact pressure is not accurately processed, and the motion trail of the brush is difficult to accurately control are solved.

The invention relates to an amniotic membrane mirror manufacturing method which comprises the following steps: S1, performing transparency and shape fixing treatment on an amniotic membrane to obtain a spherical amniotic membrane area; s2, the super oxygen permeable material is subjected to casting plasticity to obtain a transition area and a landing area which are integrated, and the landing area surrounds the transition area; wherein the transition area is aspheric and the vertical projection of the transition area is annular, and the landing area is spherical and the vertical projection of the landing area is annular; s3, a plurality of fluid channels which are arranged in a crossed mode are etched in the top of the transition area, and the multiple fluid channels form a latticed path body extending in the circumferential direction of the transition area; s4, forming a plurality of uniformly arranged nano structures in each grid region of the path main body to form a connection path; s5, the fluid channel is filled with a biocompatible adhesive, the amniotic membrane area is placed on the transition area, and the bottom edge of the amniotic membrane area abuts against the connecting path; the method has the beneficial effects that on the basis of ensuring the biological characteristics of the amniotic membrane area, the stable connection between the amniotic membrane area and the transition area is realized.

The utility model discloses a multi-station electronic connector precision stamping die which comprises a bottom plate, supporting rods are fixedly connected to the four sides of the top of the bottom plate, the positions, close to the tops, of the four supporting rods are sleeved with and slidably connected with a movable plate, an upper die base is fixedly installed at the bottom of the movable plate, and a lower die base is fixedly installed at the bottom of the upper die base. A reinforcing plate is fixedly connected to the center of the top of the bottom plate, a lower die base is arranged on the top of the reinforcing plate, and side edge plates are fixedly connected to the two sides of the lower die base. According to the multi-station electronic connector precision stamping die, the buffer mechanism composed of the buffer plate, the damping rod and the buffer spring is arranged at the bottom of the lower die base, impact force generated in the stamping process is effectively absorbed and dispersed, the overall stability of the die is greatly improved, the service life of the die is prolonged, and the production efficiency is improved. And the structural integrity of the die can be kept under the high-speed stamping condition, and damage caused by impact is avoided.

The present invention relates to the field of mechanical processing and automatic control, and in particular to a pressure-sensitive precision mechanical parts polishing brush system and method. The system comprises: converting and processing pressure data to obtain processed pressure data; based on the processed pressure data, calculating the difference between the current pressure and the target pressure, and mapping the target pressure to the path trajectory; optimizing the path through the path optimization objective function and constraint conditions to obtain the optimized path; based on the optimized path, obtaining the torque change; obtaining the path adjustment amount through the torque change; correcting the optimized path through the gain parameter and the path adjustment amount to obtain the corrected path. The system solves the problem that the relationship between the brush motion trajectory and the contact pressure is not accurately processed, and the problem that the brush motion trajectory is difficult to accurately control.

This invention relates to the field of metal material processing technology. It discloses a synergistic composite forming process for metal wire electroforming and drawing, comprising the following steps: first, surface cleaning and activation treatment of the base metal wire to remove oxide layers, oil stains, and impurities; then, feeding the pretreated wire into an electroforming device to deposit a metal plating layer, obtaining an initial electroformed composite wire; subsequently, direct online radial high-pressure drawing to achieve a dense bond between the electroformed layer and the base metal; followed by annealing of the composite wire; repeating the electroforming, drawing, and annealing steps at least once to complete multiple synergistic cycles; finally, testing the dimensional accuracy, mechanical properties, and interlayer bonding force of the composite wire, and cutting it into finished products after passing the tests. This invention employs an online tandem synergistic process of electroforming and drawing, avoiding plating oxidation and interface contamination. Radial high-pressure drawing can compact the plating layer, eliminate porosity, and improve bonding density.

The present invention provides a special optoelectronic composite cable for use in extremely cold weather, belonging to the technical field of optoelectronic composite cable preparation; it comprises a cable core, a water-blocking layer, a cold-resistant reinforcement layer, and a cold-resistant sheath layer. The present invention effectively prevents moisture intrusion through the water-blocking layer, the cold-resistant reinforcement layer provides additional mechanical strength, and the cold-resistant sheath layer fully protects the internal structure of the optoelectronic composite cable. This multi-level and multi-functional structural design enables the optoelectronic composite cable in extremely cold weather to better meet the complex use requirements in extremely cold environments, and provides a reliable solution for communications and energy transmission in cold areas.

The invention relates to the technical field of nano polyurethane films, and discloses a nano polyurethane film with enhanced performance, which is prepared from the following components in percentage by weight: 40% of graphene, 40% of polyurethane resin, 10% of nano material, 10% of plasticizer, 10% of cross-linking agent, 10% of solvent and 10% of other additives. The proportion of the plasticizer, the cross-linking agent, the solvent and the other additives is 10%, the graphene is composed of carbon atoms, the basic element of the composition is carbon, by adding the graphene, the mechanical strength, the electrical conductivity, the thermal conductivity and the like of the film can be remarkably improved, the functionality of the film can be improved, such as gas shielding, ultraviolet protection, electromagnetic shielding and the like, and the film can be widely applied to the field of film manufacturing. According to the invention, slippage and fracture of a polyurethane chain can be effectively prevented through the nanoparticles, so that the tensile resistance, compression resistance and impact resistance of the film are improved, and the performance of the nano polyurethane film can be enhanced.

The application relates to the technical field of hoisting belts, and provides a flexible bearing material for a fatigue-resistant high-strength hoisting tool and a preparation method thereof. The material takes UHMWPE fibers or aramid fibers as a substrate, is activated by low-temperature oxygen plasma, is sequentially subjected to glycidyl methacrylate grafting to introduce epoxy sites, end-amino hyperbranched PAMAM chain extension to construct a multistage active interface, is subjected to a silane coupling agent containing a benzotriazole group to construct a weather-resistant layer, is then loaded with a negative nano-titanium dioxide and polyethylene imine composite system, and is finally crosslinked and solidified by ethylene glycol diglycidyl ether. The application strengthens the interface bonding force through a multistage covalent bonding surface modification structure, simultaneously improves the fatigue resistance, weather resistance and wear resistance of the material, and solves the problems of weak interface bonding of existing hoisting bearing materials, easy wear and aging in cyclic service, and short fatigue life.

The present application relates to the technical field of machining, in particular to a clamp for machining the radial surface of a steam turbine blade by a four-axis machine tool; the driving disc is fixedly installed on the upper surface of a displacement base, and the displacement base is used for driving the driving disc to adjust the lifting; the driving disc is provided with a core expansion clamp used for internally expanding and positioning the shaft hole of the steam turbine blade. The radial driving assembly comprises a ring sleeve base, a worm drive, a plurality of rotating guide rods, a push head and a linkage rod. The ring sleeve clamp group is composed of a clamping ring, a split clamping petal and an abutment, the split clamping petal can be self-adapted to the outer periphery of the blade under the deformation of the clamping ring, and the surface of the abutment is provided with a flexible rubber pad to prevent surface damage. The bidirectional clamping structure combining internal expansion and external wrapping is used to realize high-precision positioning and stable clamping of the steam turbine blade, and the present application has the advantages of automatic adjustment, flexible wrapping and high repeat accuracy, and significantly improves the stability and processing efficiency of the four-axis machine tool processing.

The invention discloses a cutting fluid for a semiconductor material and a preparation method thereof, and relates to the technical field of cutting fluids. The semiconductor material provided by the invention is composed of the following raw materials: 0.001-30.00 parts of a water-soluble lubricant; 0.001 to 30.00 parts of an anti-wear lubricant; 0.001 to 20.00 parts of an extreme pressure lubricant; 0.001 to 50.00 parts of a special wetting agent; 0.001 to 30.00 parts of an emulsifying dispersant; 0.001 to 90.00 parts of an antirust agent; 0.001 to 90.00 parts of a corrosion inhibitor; 0.001 to 10.00 parts of a bactericide; 0.001 to 50.00 parts of a settling agent; and 0.001 to 99.00 parts of deionized water. The prepared cutting fluid for the semiconductor material has high permeability and high lubricity, the surface quality of slices is high, the warping degree is low, and the cutting efficiency and the yield are improved.

The invention provides a test block structure, a test tool of a hydraulic valve and a disassembly tool of the hydraulic valve, the test block structure is used for testing the hydraulic valve, the test block structure comprises a test block, the end part of the test block is provided with a first groove, the bottom wall of the first groove extends outwards to form a boss, and the bottom wall of the first groove extends outwards to form a second groove; a first mounting hole is formed in the boss, at least part of the hydraulic valve is matched with the first mounting hole, and a plurality of liquid passing openings are formed in the side part of the test block. The end part of the test block is provided with the first groove and the boss, and the gap is formed between the first groove and the boss, so that when the valve body and the valve sleeve of the hydraulic valve are dismounted, the gap provides a working space for a dismounting tool, and the dismounting work is convenient; the invention provides a scheme for improving the test reliability, the assembling and disassembling portability and the appearance integrity of the hydraulic valve, and provides a guarantee for the qualified rate of hydraulic valve products.

The application belongs to the field of grinding wheel grinding, and provides a portable retractable grinding wheel ultrasonic electrolytic machining device and method, which comprises a driving shaft and a variable amplitude rod arranged coaxially, one end of the variable amplitude rod is movably abutted against a workpiece to be machined, and the other end is movably inserted into the driving shaft to form a gas pressure flow channel and an electrolyte flow channel which are not connected with each other in the driving shaft; a plurality of ultrasonic vibration devices are arranged on the outer wall of the variable amplitude rod in sequence along the axial direction of the variable amplitude rod, and the plurality of ultrasonic vibration devices are movably abutted against each other and used for generating high-frequency ultrasonic vibration. Compared with the prior art, the application has the advantages that the gas pressure is used to drive the outer diameter of the retractable grinding wheel to be away from the precision selection of a suitable retractable grinding wheel, and different machining requirements are adapted; meanwhile, the ultrasonic vibration and electrolytic machining operation are combined, the cutting force in the machining process is effectively reduced, the deformation and surface damage of the workpiece are reduced, the vibration energy is uniformly transmitted to the grinding wheel and the workpiece, and the machining precision and efficiency are ensured.

This invention provides a method, apparatus, and semiconductor device for atomic layer etching of hafnium oxide. The method includes performing multiple cycles of etching on the hafnium oxide layer on the top surface of the device to be etched within a reaction chamber until the hafnium oxide layer reaches the target etching requirement. Each cycle includes: adjusting the temperature of the device to be etched to a target reaction temperature; providing a process gas containing a chlorine-based gas; dissociating the process gas into a plasma containing ions and chlorine radicals; filtering the ions in the plasma to obtain chlorine radicals, and reacting the chlorine radicals with the top surface of the hafnium oxide layer at the target reaction temperature to generate a hafnium tetrachloride layer; and heating the device to be etched to a target sublimation temperature to vaporize and discharge the hafnium tetrachloride layer. This invention can reduce the damage to hafnium oxide during etching and achieve higher etching uniformity and precision.

The guiding and feeding structure for steel fiber processing comprises a material guiding structure and a material storing structure, the material guiding structure comprises a material guiding seat, a material guiding frame is arranged on the material guiding seat, a first guiding wheel, a second guiding wheel, a third guiding wheel and a reinforcing frame are arranged on the material guiding frame, a steering feeding structure and limiting grooves symmetrically formed in the reinforcing frame are arranged on the reinforcing frame, and the material storing structure is arranged on the steering feeding structure. A limiting sliding plate matched with the limiting groove is arranged in the limiting groove, the limiting sliding plate is connected with the output end of an electric push rod arranged on the material guide frame, the limiting sliding plate is connected with a fourth guide wheel through a connecting arm, and the fourth guide wheel is located between the second guide wheel and the third guide wheel. By the adoption of the structure, wheel type rotary guiding is adopted, direct hard friction between a steel wire and the guiding and limiting structure is avoided, the possibility of surface damage is reduced, and the situation of raw material breakage in wire drawing machining is reduced; and electric tensioning is matched, the tensioning force is flexibly adjusted according to the machining requirement, smoother and more continuous feeding machining is guaranteed, and the machining efficiency and quality are remarkably improved.

The utility model relates to the technical field of traction sheave, concretely is a kind of traction sheave with protective structure, including inner rim and outer rim, it is fixed with multiple connecting handles between inner rim and outer rim, the inside of inner rim is inserted with insert piece, and the inside of insert piece is embedded with protective structure, and protective structure is turned out after being extracted from insert piece and unfolding, and the protective structure of turning out wraps inner rim and outer rim;Beneficial effects are that: by the inner ring mouth of insert piece insertion inner rim, then the protective structure is extracted from insert piece and turned out, so that it wraps inner rim and outer rim;This protective mode can avoid that traction sheave is bumped by external object in the storage process, reduces surface damage, guarantees the structural integrity and transmission accuracy of traction sheave.

The laser positioning cutting device for the automobile lamp lens comprises a base, and two transverse sliding rails are oppositely and fixedly connected to the two sides of the base; a longitudinal guide rail is connected between the two transverse slide rails in a sliding manner; the top of the longitudinal guide rail is slidably connected with a laser cutting machine, and the longitudinal guide rail and the laser cutting machine are both driven by a linear module. A negative-pressure channel is formed in the base, and one end of the negative-pressure channel extends out of the base; limiting mechanisms are inserted into the positioning insertion holes, each limiting mechanism comprises a bottom block, the positioning insertion holes are formed in the base at equal intervals, and after the limiting mechanisms are inserted, horizontal displacement of the lens is limited through physical constraint of the positioning insertion holes; meanwhile, the vacuum suction cup is matched with the sealing ring, uniform adsorption force is formed on the bottom of the lens, shaking caused by vibration and uneven weight during cutting is prevented through double effects, and it is ensured that the cutting track is consistent with the design contour of the lens; the limiting mechanism is installed in an insertion mode, and when lenses of different specifications are replaced, insertion hole combinations can be rapidly adjusted and positioned, and universality and efficiency are both considered.

The application discloses an epoxy resin-nano cerium oxide composite polishing liquid and a preparation method thereof. The epoxy resin-nano cerium oxide composite polishing liquid comprises the following components in parts by weight: 10-25 parts of water-based epoxy resin, 3-5 parts of modified epoxy resin, 15-30 parts of nano cerium oxide, 20-40 parts of water, 10-20 parts of ethanol, 2-5 parts of a dispersing agent, 1-3 parts of a surfactant, 0.5-2 parts of a stabilizing agent, 0.1-0.5 parts of polydimethylsiloxane and 0.3-1 part of a preservative. The modified epoxy resin is prepared by modification of a silane coupling agent, tris(4-carboxyphenyl) imidazole and fulvic acid. The preparation method is completed through the steps of preparing a solvent system, dispersing nano cerium oxide and composite grinding. The method can strengthen the interfacial bonding force, inhibit the abrasive aggregation, improve the dispersion stability, polishing performance and storage durability of the polishing liquid, and reduce the surface roughness of a workpiece, and is suitable for precision machining of optical elements, semiconductor wafers and the like, and meets the needs of high-end manufacturing ultra-precision polishing.

The invention provides a special photoelectric composite cable used in extremely cold weather, and belongs to the technical field of photoelectric composite cable preparation. Comprising a cable core, a waterproof layer, a cold-resistant reinforcing layer and a cold-resistant sheath layer, the waterproof layer effectively prevents moisture from invading, the cold-resistant reinforcing layer provides extra mechanical strength, and the cold-resistant sheath layer comprehensively protects the internal structure of the photoelectric composite cable. The multi-layer and multifunctional structural design enables the photoelectric composite cable in extremely cold weather to better meet complex use requirements in extremely cold environments, and provides a reliable solution for communication and energy transmission in cold regions.

This utility model discloses an auxiliary positioning device for a medium- and high-voltage electronic aluminum foil corrosion production line, relating to the field of aluminum foil corrosion production technology. It includes a tank body with a positioning mechanism fixedly installed in the middle, and side guide rollers fixedly installed at both ends of the tank body. Using this structure, the auxiliary positioning device drives the slide and plate to move vertically via a screw, precisely adjusting the depth of the pressure roller's immersion in the electrolytic cell. This adapts to different thicknesses of aluminum foil and electrolyte concentrations. Simultaneously, the limiting discs at both ends of the pressure roller and side guide rollers, with their spacing adjusted by hand-tightening screws, effectively constrain the lateral displacement of the aluminum foil. The combination of these two components ensures that the aluminum foil is conveyed centered along a preset path, avoiding deviation and friction with the electrode plate, reducing surface damage, and ensuring that the contact angle and area between the aluminum foil and the electrolyte are always optimal. This significantly improves corrosion uniformity and conveying accuracy, and reduces the scrap rate.

The present disclosure provides a test block structure, a test tool for hydraulic valves and a disassembly tool for hydraulic valves, the test block structure is used for testing of hydraulic valves, the test block structure comprises a test block, a first groove is formed in an end of the test block, a boss is formed by extending outward from a bottom wall of the first groove, a first mounting hole is formed in the boss, at least part of the hydraulic valve is matched with the first mounting hole, and a plurality of liquid passing openings are arranged on a side of the test block. The end of the test block of the present disclosure has the first groove and the boss, and a gap is formed between the first groove and the boss, when the valve body and the valve sleeve of the hydraulic valve are disassembled, the gap provides a working space for the disassembly tool, and the disassembly work is facilitated, and the present disclosure provides a scheme for improving the test reliability, the disassembly portability and the appearance integrity of the hydraulic valve, and provides protection for the qualified rate of the hydraulic valve product.

The present disclosure provides an etching solution, a GaN material etching method and a gallium nitride transistor manufacturing method, and belongs to the technical field of semiconductors. The etching solution comprises a tetramethylammonium hydroxide solution and an oxidizing agent, the concentration of the tetramethylammonium hydroxide solution is 0.1-2.0 mol / L, and the concentration of the oxidizing agent is 0.01-0.5 mol / L. The present disclosure can improve the etching effect of GaN materials.

The invention relates to a polishing solution suitable for chemical mechanical polishing of a Cu wiring Co barrier layer integrated circuit. The polishing solution comprises the following components: silica sol, an oxidizing agent, a complexing agent, a corrosion inhibitor and deionized water, the pH value of the polishing solution is 8.0 to 10.0. According to the polishing solution, an amino acid reagent harmless to the environment is selected as a complexing agent, reagents such as imidazoline and imidazolidinyl urea are adopted as inhibitors, H2O2 is adopted as an oxidizing agent, silica sol is adopted as a grinding material, and the chemical dissolution effect and the mechanical effect are combined together to achieve global planarization of the wafer surface. Efficient CMP of a Cu / Co barrier layer is achieved, after the polishing solution is used for polishing the surface of a wafer, the Cu / Co removal rate selection ratio is close to 1: 1, and the effect that the surface roughness reaches the nanoscale can be achieved, so that the strict requirement of integrated circuit manufacturing for the CMP process is met, and the preparation process is simple and suitable for industrial production.

The invention belongs to the technical field of birefringence device preparation, and particularly relates to an antimony selenide-based artificial in-plane birefringence device, which comprises a substrate layer and a phase change material layer, the phase change material layer is provided with grid peaks and grid valleys which are alternately arranged, the grid peaks are in a crystalline state, and the grid valleys are in an amorphous state. The device adopts a special phase state alternating grating structure, not only retains the geometric appearance periodicity of the grating, but also realizes the periodicity of an amorphous state and a crystalline state, realizes an adjustable birefringence coefficient within a range of 0.08-0.4 in a visible light wave band, and has an average transmittance of more than 70%. The bottleneck problems that an existing birefringent device cannot be continuously modulated in the visible light range and is poor in flexible programming performance and reconstruction performance are fundamentally solved, and the prepared device has the advantages of being large and continuously adjustable in phase delay amount, continuously adjustable in slow axis angle, low in loss, easy to machine, reliable and the like.

The utility model relates to a guide rail type solar panel automatic wind power dust removal device which comprises a guide rail and a guide rail trolley which is installed on the guide rail and slides along the guide rail, the guide rail trolley comprises a trolley frame and a trolley driving mechanism which drives the trolley frame to advance, and a linear guide rail with an adjustable angle is installed on the trolley frame. A sliding block is slidably mounted on the linear guide rail, the sliding block is driven by a servo motor, a fan is mounted on the sliding block, an air outlet of the fan is provided with an air changing opening, and an image acquisition module is mounted on the air changing opening; a control module and a power supply module are further arranged on the trolley frame, and the control module is electrically connected with the image acquisition module, the trolley driving mechanism, the servo motor and the fan. Dust removal and cleaning are carried out through wind power, water flow impact and mechanical cleaning are replaced with wind power, damage to the surface of the solar panel in the dust removal process is reduced, different from a mechanical cleaning mode, force is easy to adjust, mechanical abrasion to the surface of the solar panel is avoided, and cleaning and maintenance of the solar panel are facilitated.

The invention belongs to the technical field of metal plate transferring, and discloses an ultrathin large-size metal plate transferring device which comprises a gantry frame, universal wheels are installed at the four corners of the bottom end of the gantry frame through screws, a fixing pin is installed in the middle of the top end of the gantry frame in a penetrating mode, and a rotating rod is rotationally connected to the outer side of the fixing pin. The bottom end of the rotating rod is attached to the top end of the gantry frame, vertical rods are symmetrically and fixedly installed on the two side edges of the bottom end of the rotating rod, a motor installation plate is fixedly installed on one end face of each vertical rod, a driving structure is fixed to one end face of each motor installation plate, and a limiting structure is installed at one end of each driving structure. By preventing interference of external objects on the metal plates, surface damage such as scratches and creases occurring in the carrying process of the metal plates is effectively reduced, the overall quality of products is improved, and by reducing the damage to the plates and improving the efficiency, the device is beneficial to reducing the production cost and improving the economic benefits of enterprises.

The present disclosure provides a storage device, a semiconductor structure and a method for forming the same, and relates to the field of semiconductor technology. The formation method includes: providing a substrate; forming an insulating dielectric layer on the substrate, the insulating dielectric layer at least including a sacrificial film layer; forming a mask layer on the surface of the sacrificial film layer, the etching rate of the mask layer being greater than the etching rate of the sacrificial film layer; etching the insulating dielectric layer using the mask layer as a mask to form a plurality of capacitor holes in the insulating dielectric layer that expose the substrate respectively; removing the mask layer using an etching process; and forming a lower electrode layer of a columnar capacitor in each capacitor hole. The formation method of the semiconductor structure disclosed in the present disclosure can ensure the etching height of the capacitor hole and increase the charge storage capacity.

This utility model relates to the field of aquaculture equipment technology, specifically to an adjustable cover plate device and a fish raft for fish suction and harvesting operations. An adjustable cover plate device for fish suction includes an annular grid with inner and outer ring supports. Multiple radially distributed support rods are arranged between the inner and outer ring supports along the circumference, dividing the grid into multiple fan-shaped grooves. Multiple detachable cover plates are provided at the top of the fan-shaped grooves. A fish raft includes an annular suction chamber, an inner cover, an outer cover, and an annular inclined plate. Inner and outer support parts are provided on the outer side of the inner cover and the inner side of the outer cover, respectively. An adjustable cover plate device for fish suction is provided on the inner and outer support parts. A harvesting outlet is provided on one side of the annular suction chamber. The annular inclined plate is inclined downwards from the side opposite the harvesting outlet of the annular suction chamber to the side of the harvesting outlet. This utility model allows for simple mechanical operation to disassemble the grid cover plate, controlling the passage area for fish, reducing surface damage to fish, increasing the fish harvesting rate, and reducing the difficulty of operation for workers.

This utility model relates to the field of bearing processing technology and discloses a drilling device for bearing production. The device includes a body assembly and a support plate. The top of the support plate has a moving groove, and the outer periphery of the top of the support plate has an installation groove. This utility model uses three circumferentially distributed adjusting components and a double-sided gear linkage mechanism to synchronously drive multiple clamping parts to move radially, achieving precise concentric clamping of the inner and outer rings of bearings of different diameters. The transmission structure of the lead screw and the driven bevel gear ensures consistent displacement of each clamping part. Combined with the rubber anti-slip texture design, it effectively prevents bearing slippage and reduces surface damage during clamping. The dual positioning mechanism of the positioning plate and the clamping plate further ensures strict concentricity of the inner and outer rings, significantly improving the drilling position accuracy, effectively reducing vibration and noise problems caused by eccentricity, and extending the service life of the bearing.

The utility model belongs to the technical field of copper-clad plate processing, and particularly relates to a copper-clad plate processing and conveying device which comprises a conveying belt. Two fixing plates are fixedly connected to the side wall of the conveying belt; the two fixing plates are oppositely arranged; the side wall of one fixing plate is fixedly connected with a supporting rod; the end part of the supporting rod is fixedly connected with a first rotating shaft; the end part of the first rotating shaft is fixedly connected with a roller; a groove is formed in the end part of the roller; two sliding blocks are fixedly connected to the middle of the roller. The two sliding blocks are oppositely arranged; the sliding block is fixedly connected to the end away from the first rotating shaft. The two sliding blocks are fixedly connected to the interior of the roller; the end part of the sliding block is in sliding connection with a sliding seat; two connecting rods are fixedly connected to the side wall of the sliding seat; and by means of the two elastic plates, deviation or shaking of the copper-clad plate in the conveying process can be effectively reduced, the copper-clad plate can be effectively kept in the center position of the conveying belt, and the situation that the copper-clad plate cannot be precisely machined in the follow-up process is effectively reduced.

The invention discloses a thread rolling machine, and relates to the technical field of thread rolling equipment, the thread rolling machine comprises a base, a thread rolling body is arranged at the top of the base, a pushing mechanism for automatically pushing workpieces to a thread rolling position for butt joint is arranged at the top of the base, and a supply mechanism for continuously conveying the workpieces to the thread rolling position is further arranged at the top of the base; the pushing mechanism comprises first mounting plates which are symmetrically connected to the top of the base in a sliding mode, rolling wheels are fixedly connected to the tops of the first mounting plates, a mounting rod is fixedly connected to the top of one of the first mounting plates, and a first connecting rod is rotationally connected to the outer portion of the mounting rod. The workpiece is pushed between the thread rolling bodies through rotation of the first connecting rod, accurate control over the position of the workpiece can be achieved through the connecting rod mechanism, it is guaranteed that the workpiece accurately enters a machining area between the thread rolling bodies, and the position consistency of the workpiece pushed every time is guaranteed through high repeatability of the connecting rod mechanism.