569results about How to "Shorten the processing cycle" patented technology

The present invention belongs to the technical field of triangular needle processing, and discloses a triangular needle electric discharge processing device, including a fixed seat, a rotary table, a rotary motor, a needle-up mechanism, three groups of grinding and punching mechanisms and a needle-down mechanism, the rotary table is rotatably connected to the top of the fixed seat and connected to the rotary motor, the needle-up mechanism, three groups of grinding and punching mechanisms, and the needle-down mechanism are sequentially distributed in a circular array outside the rotary table, and eight groups of needle clamping mechanism groups distributed in a circular array are provided on the rotary table, each group of needle clamping mechanism groups includes at least one needle clamping mechanism, and each needle clamping mechanism includes a clamping seat and a needle clamping device. The present invention distributes the needle-up mechanism, three groups of grinding and punching mechanisms and the needle-down mechanism in a circular array outside the rotary table, and integrates the functions of needle-up, three-faceted punching and grinding, and needle-down, without the need for frequent transfer between multiple sets of equipment, simplifies the operation process, shortens the processing cycle, and improves production efficiency.

The invention discloses a space error compensation and precision improvement method for a combined machine tool. The method comprises the steps of 1, system preparation and sensor arrangement; 2, real-time data monitoring and processing; 3, training a dynamic geometric error compensation model; 4, multi-modal data fusion is carried out; 5, generating and executing an intelligent numerical control instruction; and step 6, a post-processing and feedback mechanism. Through real-time dynamic error compensation and multi-modal data fusion, real-time errors of the machine tool in the machining process can be effectively recognized and corrected. The high-precision compensation mechanism ensures that the geometrical shape and the size of a workpiece can strictly meet the design requirements in a complex machining environment, the overall quality of a product is greatly improved, a real-time monitoring system and a dynamic updating mechanism enable a machine tool to rapidly adapt to environment changes, and the machining efficiency is improved. In combination with deep learning and data fusion technologies, the system can optimize a compensation strategy in real time along with continuous changes of processing conditions.

The invention discloses a high-quality formed ginkgo wood furniture manufacturing and processing technology, and relates to the technical field of furniture production, and the high-quality formed ginkgo wood furniture manufacturing and processing technology comprises ginkgo wood selection, ginkgo wood treatment, wood modification, part processing and surface treatment. Before drying, the cut ginkgo biloba boards are subjected to primary treatment, surface impurities are removed, and primary balance treatment is carried out, so that stress concentration in the later drying process is reduced; primarily drying the primarily treated wood, adjusting the thickness and the drying temperature and humidity of the wood, adjusting the temperature in the drying chamber according to the thickness and the initial water content of the wood by using a combined drying technology, and controlling the distance between the wood to be 1 / 10-1 / 8 of the width of the wood through a circulating air drying system. By means of the combined drying technology, dynamic control over the ginkgo wood drying quality is achieved, the problems that the drying process is complex and wood is prone to warping or cracking during drying are solved, the drying period is shortened, wood deformation and cracking are reduced, the physical performance of the wood is improved, and the drying efficiency is improved.

The invention discloses a spinning forming method for a perfect circle aircraft engine lip, and belongs to the technical field of spinning forming. The spinning forming method comprises the following steps: S1, designing a spinning process; S2, designing a spinning blank: respectively designing blank sizes required by an inner side wall and an outer side wall according to a product structure; S3, designing a spinning process: S3.1, designing a spinning roller attack angle and a spinning roller shape, S3.2, designing a spinning roller gap, S3.3, designing a spinning track, S3.4, producing a spinning program, S3.5, designing spinning parameters, S4, spinning forming, and S5, machining a part. According to the method, the defects of a die spinning process can be overcome, the material performance of the aircraft engine lip is improved through the machining mode of overall spinning forming of the plate, the problem that microdefects are generated in a welding seam in a traditional split welding mode is solved, and the welding quality of the aircraft engine lip is improved through multi-pass spinning forming and control over the motion trail of a spinning roller in the spinning process. And the temperature in the spinning process is controlled, so that the spinning forming stability is improved, and the product machining precision is also improved.

The invention relates to the technical field of copper bar machining, and discloses cutting and chamfering equipment based on alloy copper bar machining, which comprises a machine tool, a clamping chuck and a driving assembly arranged on the machine tool, an adjusting mechanism arranged on the machine tool, and a cutting and chamfering mechanism arranged on the adjusting mechanism, the clamping chuck is used for clamping and positioning a to-be-machined copper rod, and the driving assembly drives the clamping chuck to drive the copper rod to rotate. The adjusting mechanism comprises a first adjusting assembly and a second adjusting assembly. According to the cutting and chamfering equipment based on alloy copper bar machining, through mutual cooperation of the clamping chuck, the driving assembly, the adjusting mechanism and the cutting and chamfering mechanism, synchronous operation of cutting and chamfering of the copper bar can be achieved, on one hand, errors possibly caused by two times of clamping can be effectively reduced, and the consistency and precision of products are improved; and on the other hand, the processing period can be greatly shortened, and the process conversion and waiting time is reduced, so that the production efficiency is remarkably improved.

The invention discloses a manufacturing process of a small-wall-thickness corrosion-resistant blind plate, a carbon steel material with the diameter smaller than that of a finished product target and the thickness larger than that of the finished product target is adopted for surfacing, the surfacing thickness is larger than that required by the finished product target, then forging and pressing are carried out to reach the target size, and finally one-time machining is carried out to remove allowance to reach the finished product size. By means of the mode, according to the manufacturing process of the small-wall-thickness corrosion-resistant blind plate, the blank is subjected to two-face surfacing firstly and then subjected to one-time forging and machining, the production efficiency is greatly improved, the machining period is shortened, meanwhile, the use amount of corrosion-resistant surfacing materials can be reduced, the cost is saved, and therefore higher economical efficiency is achieved.

The invention relates to the field of straightening machines, in particular to a round bottle straightening machine and a method for straightening through the round bottle straightening machine. The transmission adjusting assembly comprises a first base, a second base, a first motor, a second motor, at least two first belt wheels, a first belt matched with the first belt wheels for use, at least two second belt wheels and a second belt matched with the second belt wheels for use, the two first belt wheels are rotationally connected to the surface of the first base at intervals, and the first belt is connected with the two first belt wheels in a tensioning mode. The two second belt wheels are rotationally connected to the surface of the second base at intervals, and the second belt is connected with the two second belt wheels in a tensioned mode. Through the arrangement of the first motor, the second motor, the first belt wheel, the first belt, the second belt wheel and the second belt, the label information of each round bottle on the conveying belt faces the same side, manual adjustment and rotation in the later period are not needed, and therefore the machining period of the round bottles is shortened, and the production cost of the round bottles is reduced.

The utility model relates to an automatic screw positioning and machining device which comprises a feeding mechanism, a machining bin and a discharging mechanism which are sequentially connected, a chuck and a sliding table supporting plate are arranged in the machining bin, the chuck is communicated with the feeding mechanism, a first positioning mechanism is arranged above the chuck, and a second positioning mechanism is arranged above the sliding table supporting plate. And a second positioning mechanism, a feeding transition mechanism and a cutter are fixedly arranged on the sliding table supporting plate. The automatic machining device has the advantages that automatic feeding, positioning, machining and discharging can be achieved, manual participation is not needed, and the machining efficiency is high; primary angle positioning is carried out when the second positioning mechanism adjusts the clamping length of the screw rod, the occupied time is short, and the overall machining period can be shortened; and secondary angle positioning is arranged, so that the processing angle is confirmed to be correct, and meanwhile, whether the screw thread size has errors can be detected.

According to the full-automatic tissue culture bottle filling assembly line and the control method thereof, the assembly line covers the feeding station, the bottle feeding station, the bottle arranging station, the bottle reversing station, the degreasing station, the cleaning station, the filling station, the cap screwing station, the discharging station, the transferring station, the sterilizing station and the like, and the tissue culture bottle automatic treatment process is achieved through cooperative operation of a mechanical arm and a conveying line. The bottle overturning station accurately detects and processes overturned bottles through an image recognition algorithm, the visual detection mechanism comprises the steps of image collection, preprocessing and feature extraction and matching, camera parameters are optimized according to the conveying speed and light intensity, the image quality is improved through a composite filtering and correction algorithm, and a multi-feature-group vector input model is extracted to judge the postures of the bottles. The control method orderly directs operation of each station, guarantees efficient and accurate treatment of the tissue culture bottles, improves production efficiency and product quality stability, is significant to automatic upgrading of the tissue culture industry, reduces labor cost, and meets large-scale production requirements.

The invention discloses a universal bending method for a sheet metal support, which comprises the following steps of: counting R values at the bending parts of sheet metal support parts and a bending angle between two bending molded surfaces to form a series consisting of the R values and the bending angles, and processing a plurality of bending cutters corresponding to the R values, the method comprises the following steps: machining a bending mold cavity with a corresponding bending angle and R value on a same bending mold base, designing an unfolded shape of a sheet metal bracket part, overturning two bending molded surfaces of the sheet metal bracket part in a sheet metal bracket part drawing along a bending line until the two bending molded surfaces are coplanar to form a bending main body, and designing a positioning block and a connecting block to form a bending main body; the metal plate support part is cut and blanked according to the designed unfolded shape, then is bent through a bending tool and a bending die base, and finally is cut off at the position of a connecting block. The machining method is suitable for machining various metal plate support parts with different sizes, is particularly suitable for a multi-variety and small-batch production organization mode, and is low in machining cost and high in machining efficiency.

The invention discloses a novel low-cost high-entropy ceramic coating with a composite structure. The novel low-cost high-entropy ceramic coating comprises a supporting layer, a transition layer and a functional layer which are sequentially deposited, wherein the supporting layer comprises a TiZrAlCrSi layer and a TiZrAlCrSiN layer which are sequentially deposited, the transition layer comprises a TiZrAlCrSiN layer and a TiZrAlCrSiMN layer which are periodically and alternately deposited, and the functional layer comprises a TiZrAlCrSiMN layer; the invention further discloses a preparation method of the novel low-cost composite-structure high-entropy ceramic coating. The preparation method comprises the processes of cleaning, ion implantation, deposition of the supporting layer, deposition of the transition layer and deposition of the functional layer. The invention further discloses application of the novel low-cost composite-structure high-entropy ceramic coating in a superhard tough high-temperature-resistant tool. The novel low-cost composite-structure high-entropy ceramic coating provided by the invention solves the problems of low high-temperature hardness, poor wear resistance, weaker cracking resistance and the like of the existing cutter coating.

The invention discloses a flange machining method for a large-diameter thin-wall cylinder part. The flange machining method comprises the steps of material preparation, blanking, edge rolling or roll bending, welding, overall expansion, flange and mold correction which are sequentially carried out. According to the method, overall expansion is adopted for the J-shaped outer flanging structure and the barrel, the conical end face type surface structure is obtained to serve as the middle structure of the J-shaped structure, and then the final J-shaped outer flanging is obtained by independently conducting edge bending treatment and mold tire correction treatment on the conical structure. According to the method, the problem of welding deformation caused by a traditional welding method is solved, the problem that follow-up assembly is affected due to the fact that the J-shaped outer flanging contour is not accurate enough is avoided, the tool cost is further saved, and the molded surface forming quality is improved.

The invention relates to the technical field of wood table manufacturing, and discloses a drilling device for wood table manufacturing, which comprises a base, a fixing frame is fixed on the rear side of the base, a moving structure is arranged in the base, a through groove is formed in the top of the base, and a first rack plate and a second rack plate are respectively fixed on the front side and the rear side of the top of the base. The first rack plates and the second rack plates are arranged in a staggered mode. Double stations are arranged, the positions between the stations can be switched, the waiting time is shortened through the parallel working mode, the overall machining efficiency is improved, the clamping position can be conveniently adjusted according to different sizes of wood table accessories, it is ensured that the wood table accessories of different specifications can be stably and accurately clamped, and the machining efficiency is improved. And the device further has an automatic material pushing function, the drilled wood table accessories can be automatically subjected to discharging operation, the labor intensity of workers is relieved, and the practicability of the device is effectively improved.

The invention discloses a processing method of a TA24 titanium alloy thin-wall large-diameter super-long seamless pipe, which comprises the following steps: step 1, carrying out one-heating cogging forging on a TA24 titanium alloy cast ingot to obtain a bar blank; secondly, the bar blank is sequentially and continuously subjected to cross piercing, hot continuous rolling and sizing rolling, and a pipe is obtained; and thirdly, the pipe is sequentially subjected to annealing and machining, and the TA24 titanium alloy thin-wall large-diameter super-long seamless pipe is obtained. According to the machining method, a rod blank is prepared through one-heating-number cogging forging, a thick and large cast structure is crushed to a certain degree, the structure is improved, the plasticity is improved, then the TA24 titanium alloy thin-wall large-diameter super-long seamless pipe is obtained through cross piercing, hot continuous rolling, sizing rolling, annealing and machining, the machining period can be effectively shortened, and the machining cost is reduced. The method is suitable for the technical field of titanium alloy seamless tube machining.

The invention relates to a hot compression crack repairing method capable of replacing a hot isostatic pressing process, which comprises the following steps: collecting melting point information of an alloy sample, and determining a target temperature of hot compression; selecting a plurality of groups of different stress / strain parameters at a target temperature to carry out a thermal compression experiment, and carrying out mutual comparison; performing metallographic sample preparation, observing and counting crack pore conditions, and judging whether the cracks are obviously closed or not; if yes, preliminarily determining a thermal compression parameter, and if not, adjusting a stress / strain parameter in a thermal compression process until the crack is obviously closed; tilting the sample for hot compression again, and judging whether the crack is closed or not; if yes, finally determining a hot compression parameter, and if not, continuing to adjust; and performing thermal compression on the alloy part by using the finally determined thermal compression parameters to realize crack repair. Compared with the prior art, the method has the advantages that the obtained stress / strain parameters are ensured to be accurate and effective through adjustment and verification of a thermal compression experiment, so that complete closing of the crack is realized under two thermal compression processes.

The invention relates to a method for machining a spherical shell seal head of a spacecraft fuel tank, which belongs to the technical field of machining processes and comprises the following steps: machining a process step at the open end of the spherical shell seal head; the annular tool is clamped on a three-axis lathe, the annular tool is used for clamping the process step, the three-axis lathe is used for roughly turning the inner molded surface, the spherical shell end socket is overturned by 180 degrees and then clamped on the annular tool again, and the three-axis lathe is used for roughly turning a second area; the inclined tool is installed on a three-axis milling machine, the spherical shell end socket is installed on the inclined tool, and the first area and the flange are roughly milled through the three-axis milling machine; taking down the spherical shell end socket and standing; the spherical shell end socket is installed on the inclined tool again, and the first area and the flange are subjected to finish milling through the three-axis milling machine; the spherical shell end socket is clamped to an annular tool, and the inner molded surface is subjected to finish turning through a three-axis lathe; an inner supporting tool is clamped to a clamping jaw of the three-axis lathe, the spherical shell end socket is clamped through the inner supporting tool, and the second area is subjected to finish turning through the three-axis lathe; and the process step is cut off, and the cut-off part is subjected to finish turning.

The invention relates to a double-margin-plate blade interlayer cathode partition electrifying full-profile electrolytic machining device and method, and belongs to the technical field of electrolytic machining. A blade basin / blade back sandwich type cathode in the device is an integrated cathode composed of a blade crown cathode, a blade body cathode, a tenon cathode and two insulating layers. The cathodes in the integrated sandwich type cathode are insulated from one another, partitioned electrification can be achieved, and the electrification state of each cathode is matched with the feeding direction of the integrated sandwich type cathode. In the machining process, the integrated sandwich type cathode is firstly fed in the blade body direction, the blade body cathode is powered on, other cathodes are powered off, and blade body profile machining is conducted; and then, the feeding direction of the integrated sandwich type cathode is converted into the blade crown or tenon direction feeding in situ, a blade crown cathode or a tenon cathode is powered on, other cathodes are powered off, and blade crown or tenon machining is carried out. The electrolytic machining of the whole profile of the double-margin-plate blade can be completed through one-time clamping and one machining procedure, the machining efficiency and the machining quality are greatly improved, and good practical significance is achieved.

The invention relates to the technical field of false tooth metal support machining, in particular to false tooth metal support forging equipment and a forging method.The false tooth metal support forging equipment comprises a base, a fixing pipe is fixedly connected to the top of the base, a rotating disc is rotationally connected to the outer side wall of the fixing pipe, and a plurality of material placing assemblies are installed on the rotating disc at equal intervals; a circular plate is welded to the top of the outer side of the fixing pipe. According to the device, the multiple material placing assemblies are carried by the rotating disc to intermittently and circumferentially rotate, adaptive adjustment of the height of each forging area of the false tooth metal support can be autonomously completed in combination with detachable guide convex blocks with different heights, and synchronous forging treatment of different forging areas is achieved in combination with the rotating wheel and the multiple forging assemblies; in addition, the installation position of the punch body on the horizontal plane can be flexibly adjusted, and locking of the horizontal position is synchronously completed while the punch body is installed.

The invention discloses an aero-engine rocker arm machining process, and belongs to the technical field of aviation spare part manufacturing. The method comprises the following steps: step 1, milling a cylindrical surface: numerical milling an outer circular surface A and an outer circular surface B as a finish machining reference of a next machining process; 2, the upper side appearance of the blank is machined, specifically, the lower end face A, the lower surface, the lower end face B and the annular groove B are subjected to rough milling and finish milling, and a round hole A and a round hole B are drilled, reamed and bored; and 3, the lower side appearance of the blank is machined, specifically, the upper end face A, the upper surface, the upper end face B and the annular groove A are subjected to rough milling and finish milling, and the rocker arm is obtained. A plurality of working procedures are combined into one working procedure for machining, so that the machining period is shortened, the machining efficiency of the rocker arm is improved, the benchmark between the working procedures is unified, the machining precision and the size stability of the rocker arm are improved, the round hole A and the round hole B are ensured to meet the position degree requirement, and the situation that the rocker arm is scrapped due to out-of-tolerance machining is not prone to occurring.

The novel energy storage converter structure comprises a shell, a converter body is arranged in the shell, a control module is arranged at the front end of the upper layer of the converter body, a heat dissipation driving assembly is arranged at the rear end of the upper layer of the converter body, and a direct current module is arranged on the side face of the control module; a filtering module is arranged at the front end of the lower layer of the converter body, and a conductive part is arranged between the filtering module and the heat dissipation driving assembly. The converter is simple in structure, the internal structure is modularly designed, the interior of the converter is divided into a plurality of functional modules such as a heat dissipation driving assembly, a control module and a filtering module, the assembling efficiency is improved, and the reliability and maintainability of a system are improved; the cable failure rate and the maintenance cost are reduced due to the design of few cables, the internal structure of the product is neat and orderly, the product image is improved, and the system reliability is improved.

A multifunctional efficient glass edge grinding production line comprises a first double-edge coarse grinding unit A and a first polishing unit B. A first conveying transition table C is installed between the first double-edge coarse grinding unit A and the first polishing unit B. One end of the first conveying transition table C is suspended, and the opposite end of the first conveying transition table C is connected with the first double-edge coarse grinding unit A or the first polishing unit B. Glass enters the first conveying transition table C after being subjected to edge grinding of the first double-edge coarse grinding unit A, and finally enters the first polishing unit B to be polished. The glass edging and polishing integrated machine has the beneficial effects that the glass edging function and the glass polishing function are separated into two units, after glass edging is completed, when glass enters the polishing module to be machined, the movable mechanism of the edging module can achieve opening and closing adjustment through the width adjusting power mechanism, and it is not needed to wait for machining of the polishing module to be completed.

The utility model discloses a safety protection device for a laser head, which relates to the technical field of welding equipment and comprises a protective cover I, an annular air knife, a protective cover II, a hold-down device, a spring floating mechanism and a sealing cover, the upper end of the first protective cover is fixedly connected with the laser fusion welding head, the annular air knife is fixedly connected between the first protective cover and the second protective cover and is sealed, the lower end of the second protective cover extends to the inner side of the sealing cover, and a dust removal pipeline communicated with the second protective cover is further arranged on the side wall of the second protective cover. The pressing device is fixed to the outer side of the second protective cover, and the sealing cover and the pressing device are in floating connection through a spring floating mechanism to form a movable sealing cavity, so that the sealing cover and the workpiece are sealed in real time. According to the laser protection room, the floatable sealing cover is arranged, the lower end of the second protection cover extends to the inner side of the sealing cover, the first protection cover, the sealing cover and the second protection cover jointly form a completely-sealed working environment, laser leakage is avoided, and the design and manufacturing cost of the laser protection room can be greatly reduced.

The invention discloses a polar plate for a water electrolysis hydrogen production electrolytic bath and the electrolytic bath, and belongs to the field of water electrolysis hydrogen production. Comprising a circular pole frame and a main pole plate, a plurality of liquid inlets are formed in the bottom of the pole frame, a plurality of liquid outlets are formed in the top of the pole frame, a plurality of main reinforcing ribs with different lengths are arranged on the main pole plate in the circumferential direction, and first flow channels distributed in the circumferential direction and second flow channels distributed in the non-circumferential direction are formed in the main pole plate through the main reinforcing ribs; and the straight line of the second runners at the left lower part and the right lower part of the main polar plate does not pass through the circle center of the main polar plate. And the width of the main reinforcing rib is the same as that of the first runner. And the main reinforcing ribs on the two side surfaces of the main polar plate are opposite to the first flow channels in position. The multiple main reinforcing ribs are distributed in a bilateral symmetry mode with the second flow channel in the vertical direction as the axis. According to the polar plate for the electrolytic cell for producing hydrogen by electrolyzing water and the electrolytic cell, the effects of uniform flow channels, low processing cost and low energy consumption can be achieved.

The invention discloses a numerical control horizontal boring and milling machine and a using method thereof, and relates to the technical field of boring and milling machines. Comprising a lathe bed, a pair of fixed transverse shafts are arranged on the lathe bed, hollow worms are arranged on the fixed transverse shafts in a sleeving mode, and first sliding rails are arranged above the hollow worms; a fixing block is arranged between the pair of first sliding rails, a pair of first sliding plates are fixedly arranged on the fixing block, a pair of second sliding rails are fixedly arranged on the two sides of the pair of first sliding plates, a rectangular sliding frame is clamped between the pair of second sliding rails, and a translation plate is arranged above the rectangular sliding frame; an annular clamping rail is fixedly arranged on the translation plate, a fixed rotating ring is clamped in the annular clamping rail, a fixed plate is fixedly arranged on the fixed rotating ring, and a machined part is placed on the fixed plate. The translation path of the machined part can be reasonably arranged according to the machining process requirements, so that the cutter can move in a more efficient path in the machining process, the stroke time of the cutter can be shortened, the proportion of the cutting time in the whole machining period is increased, and therefore the overall machining efficiency is improved.

The invention discloses a preparation method of an ultra-pure nickel-titanium alloy thin-wall pipe for a heart valve. The method comprises the following steps: 1, preparing materials, and carrying out magnetic suspension induction melting to obtain a cast ingot; 2, gradually performing hot forging and rolling on the cast ingot to obtain a round bar; thirdly, the round bar is manufactured into a pipe blank, honing and polishing are conducted, and the nickel-titanium pipe is obtained; 4, assembling the nickel-titanium pipe into the titanium pipe to obtain a combined pipe; 5, heat treatment of the combined pipe; 6, three-roller precise cold rolling; 7, repeating to obtain a pipe semi-finished product; and 8, straightening and cylindrical grinding are performed to remove the titanium pipe. According to the method, the high-purity nickel-titanium alloy cast ingot is prepared through magnetic suspension induction melting, the outer-layer titanium pipe and the inner-layer nickel-titanium pipe are introduced to be assembled, the pass deformation is increased through the restraining and protecting effects of the titanium pipes, the number of times of rolling and heat treatment is reduced, and the machining period is shortened; the obtained ultra-pure nickel-titanium alloy thin-wall pipe is high in purity, high in size precision, good in surface quality, high in wall thickness uniformity and good in comprehensive mechanical property and is suitable for the field of heart valves.

The invention relates to the technical field of track chain machining, in particular to an adjustable turnover clamp table for track chain machining, which comprises a machining table, a turnover mechanism is arranged on the upper side of the machining table, a guide mechanism is arranged on the turnover mechanism, and a clamping mechanism and a winding mechanism are arranged on the guide mechanism; through cooperation of the material guiding mechanism and the clamping mechanism, the track chain can be stably conveyed section by section in a one-way fixed-length mode, meanwhile, through the coating mode matched with paint spraying, paint spraying can be conducted on the long track chain section by section, and synchronous spraying machining and paint drying of different sections of the track chain can be achieved; the track chain can be overturned at a fixed angle through the material overturning mechanism, so that the chain can be conveniently and uniformly sprayed with paint section by section, the overall use amount of the paint is reduced through the paint coating mode, the production cost of paint coating processing is reduced, and meanwhile, integrated spraying processing can be carried out on the long track chain.

The invention provides an elastic centralizer which comprises a first connecting cylinder, a second connecting cylinder and a plurality of centralizing ribs, the top ends of the centralizing ribs are connected with the first connecting cylinder, the bottom ends of the centralizing ribs are connected with the second connecting cylinder, the first connecting cylinder and the second connecting cylinder are arranged on the outer wall of a sleeve in a sleeving mode, and the centralizing ribs are made of fiber resin composite materials. And the sleeve extends in an arc form in the direction far away from the sleeve. According to the elastic centralizer, the contact area of the centralizing ribs and the well wall is in a proper range, large supporting force can be provided, stress is not concentrated, meanwhile, the centralizing ribs have good elastic reset capacity, when the centralizing ribs are subjected to local pressure, the centralizing ribs are not prone to plastic deformation, and therefore centering running of a casing cannot be affected.

The invention discloses a preparation tool for inner hole thermal barrier coating and a preparation method thereof, the preparation tool comprises: a turntable, a turntable, a support, a bracket, a cooling device and an exhaust and dust removal device; the workpiece is coaxially installed in the bracket; two supports are respectively fixed at two ends of the bracket, and the center of each support is processed with a quick-install structure A; the turntable is installed on the turntable; the center of the turntable is processed with a quick-install structure B; one of the supports is coaxially installed on the turntable through the quick-install structure A and the quick-install structure B; the quick-install structure A of the support, the quick-install structure B of the turntable and the center of the turntable are all processed with through holes, the three through holes are connected to form a channel, and the channel is connected to the inner cavity of the workpiece; the exhaust and dust removal device exhausts air from the inner cavity of the workpiece through the channel; the cooling device is located outside the bracket, and cools the workpiece through the bracket; the invention can ensure that the deformation degree of the workpiece is reduced during the inner hole spraying process, meet the coating requirements, reduce the product scrap rate, and increase production efficiency.

The invention relates to the technical field of welding industrial robots, and discloses an intelligent cutting head for welding industrial robot arms, which comprises a mechanical arm, a connecting end is fixedly mounted at one end of the mechanical arm, a mounting sleeve is fixedly mounted at the other end of the mechanical arm, and a connecting shaft seat is rotatably mounted in the mounting sleeve. The cutting head comprises a connecting shaft seat, a bearing end pipe is fixedly installed at the other end of the connecting shaft seat, a sleeving seat is installed at the other end of the connecting shaft seat in a sleeving mode, connecting seats are fixedly installed at the end and the two sides of the bearing end pipe, and the cutting head further comprises a cutting assembly, a connecting assembly and an adjusting assembly. Different cutting heads can be replaced and mounted according to different cutting requirements during machining while the quick dismounting and mounting capacity is achieved; and meanwhile, after a new cutting head is installed, stable connection and adjustment can be conducted, a welding robot or a workpiece does not need to be moved, and therefore the production efficiency is greatly improved, and the production cost is reduced.

A needle bed leveling device, relating to the technical field of needle bed leveling devices, includes a support frame. A servo motor is mounted on the upper end of the support frame. A lead screw is mounted on the output shaft of the servo motor via a coupling. An upper needle bed pressure plate is fixedly mounted on the bottom of the lead screw. A needle bed is mounted on the bottom of the upper needle bed pressure plate. A thick silicone plate is disposed below the needle bed. Positioning components for clamping and fixing the thick silicone plate are provided on both sides of the upper needle bed pressure plate. A lower needle bed pressure plate is disposed at the lower end of the support frame. This solution ensures that electronic components fixed on the thick silicone plate protrude at the same height, thereby ensuring that the silver plating thickness at the ends is basically consistent and improving the quality of the electronic components after silver plating.