28results about How to "Guaranteed shape accuracy" patented technology

The invention provides a display backboard stamping process optimization method and system, and relates to the technical field of process optimization. According to the method, multi-area differential mesh division is carried out on a plate finite element model, fine meshes are adopted for a high-strain small-curvature area and a high-strain area, rough meshes are adopted for a trimming allowance area, and medium meshes are adopted for other areas. The deformation behavior of the key area is accurately captured, and the reliability of simulation prediction is remarkably improved under the same computing resource. And then, reverse compensation iterative correction and rapid convergence are performed on the initial molded surface based on a springback prediction result to obtain an optimized molded surface model, and source control is directly performed for springback errors, so that the number of times and period of mold testing which traditionally depends on experience are greatly reduced. According to the method, through linkage of simulation and real-time sensing data, dynamic optimization and closed-loop control of the process window are achieved, and the forming quality and production stability of the display backboard are effectively improved.

The utility model discloses an anti-deformation bearing thin-wall part machining supporting and fixing structure which comprises a base and a supporting assembly, a machining table is connected to the top of the base, clamping blocks are arranged on the two sides of the top of the machining table, and the supporting assembly is arranged in the machining table and comprises a bevel gear ring and a plurality of bevel gears meshed with the bevel gear ring. A lead screw is arranged in the machining table through a plurality of rotating frames, the surface of the lead screw is in transmission connection with a supporting plate through a lead screw nut, the supporting and fixing structure is provided with a supporting assembly, a driving motor drives a bevel gear ring to rotate, a plurality of bevel gears rotate synchronously, then the lead screw is driven to rotate, and the supporting plate ascends to support the interior of the thin-wall part; by means of the internal supporting mode, pressure and friction force borne by the inner wall of the thin-wall part during polishing can be effectively dispersed, deformation caused by lack of supporting is avoided, the size precision, the shape precision and the surface quality of the bearing thin-wall part are guaranteed, the product percent of pass is increased, and waste products are reduced.

The utility model discloses a boring tool for an inner spherical surface of a flange hole, and belongs to the field of machining. A boring tool for the inner spherical surface of a flange hole comprises a boring tool rod and a molded surface boring tool. The boring cutter rod comprises a conical boring cutter rod handle and a rotary cutter rod connected with the boring cutter rod handle, a screw hole matched with the blind rivet is formed in the end of the boring cutter rod handle, a square hole used for installing the molded surface boring cutter is formed in the rotary cutter rod, a bolt used for fastening the molded surface boring cutter is arranged on one side of the square hole, and a threaded hole matched with the threaded hole is formed in the other side of the square hole. The profile boring cutter is specially designed in structure according to the inner spherical surface of a flange hole. Complex machining of the inner spherical surface of the flange hole can be completed at a time, multi-procedure errors are avoided, the size and shape precision is guaranteed, the requirement of a drawing is met, traditional step-by-step machining can be replaced, the tool changing frequency and the clamping time are reduced, efficiency is greatly improved, and production cost is reduced.

The invention relates to the technical field of laser machining, in particular to a laser machining device and method with a curved surface part positioning mechanism, a curved surface part is arranged below laser machining equipment, and a track recognition module used for conducting track recognition on a machining area of the laser machining equipment is installed on one side of a welding frame body; curved surface positioning modules which are uniformly distributed are mounted above the positioning base plate, curved surface parts are arranged above the curved surface positioning modules, and a curved surface part cooling module is further mounted above the positioning base plate; a curved-surface part cooling module is mounted on the upper surface of the positioning base plate, and when surface machining is conducted on a curved-surface part, a second controllable lifting unit drives an attaching hose to move upwards; the attaching hose is of a flexible structure, heat is taken away through a cooling medium circulating in the attaching hose, rapid cooling and shaping of a welding area are achieved, molten metal liquid is made to be formed along a preset track, and the machining precision and the forming quality of the curved surface part are guaranteed.

The present application relates to the field of paper barrel manufacturing, and discloses an expanded-mouth straight-wall type hot-melt adhesive storage paper barrel and a bottom sealing method thereof, which comprises the following steps: S1, a metal ring is sleeved on a paper barrel body, and an end portion sleeved with the metal ring is placed in a diameter expanding machine to expand the diameter, so as to form an expanded end on the paper barrel body; S2, a bottom plate is placed on a tray in a bottom sealing crimping machine, and then the paper barrel body is placed on the bottom sealing crimping machine, the bottom sealing crimping machine clamps the paper barrel body, and the tray sends the bottom plate upward into the expanded end; S3, a crimping die in the bottom sealing crimping machine moves upward, the crimping die crimps the expanded end, the crimping abuts against the bottom plate, the crimping cooperates with an inner top wall of the expanded end to seal the bottom plate, and the bottom sealing is completed. The present application has the advantages of convenient operation, good bottom sealing quality, and the fact that the inner wall of the paper barrel body is a straight wall with a uniform and consistent inner diameter, so that the pressure disc piston can be lowered to the bottom plate, thereby discharging all the hot-melt adhesive, and preventing waste of the adhesive.

The utility model belongs to the technical field of dies, and particularly relates to a draft-free die for a synchronous pulley, which comprises a movable module, a fixed module is arranged on one side of the movable module, a surrounding structure is arranged on the movable module and comprises a turntable and a plurality of first guide grooves, the turntable is rotatably connected onto the movable module, and the first guide grooves are arranged on the turntable. The movable module is slidably connected with a plurality of sliding blocks, one end of each sliding block is fixedly connected with a first guide shaft, each first guide shaft extends into the corresponding adjacent first guide groove and is slidably connected with the rotating disc, the other end of each sliding block is fixedly connected with a check block, the adjacent check blocks abut against each other, and the fixed module is provided with a pushing structure; and during mold opening, the multiple stop blocks move away from the synchronous belt wheel, so that demolding of the synchronous belt wheel can be achieved without pattern draft, and high-precision die-casting forming of the synchronous belt wheel is achieved.

The invention relates to the technical field of machining, and provides a segmented annular workpiece machining method and clamping device.The machining method comprises the steps that S1, a segmented annular workpiece is jacked in the radial direction through a jacking assembly of a first clamping device, so that finish machining of the upper end face of the segmented annular workpiece is completed; s2, the segmented annular workpiece is axially pressed from the outer side through a first pressing assembly of a second clamping device, so that finish machining of the outer circle face of the segmented annular workpiece is completed; s3, before pressing is executed, a first copper gasket is placed between a pressing plate of a second pressing assembly in a third clamping device and the outer circle face of the workpiece, and all segmented joints of the workpiece are stuffed with second copper gaskets; and then the segmented circular-ring-shaped workpiece is axially pressed from the outer side through a second pressing assembly of the third clamping device, so that finish machining of the inner circular face of the segmented circular-ring-shaped workpiece is completed. Through sequential use and targeted process design of the three sets of clamping devices, high-precision, high-efficiency and high-integrity segmented circular ring machining is achieved.

The invention relates to a titanium alloy hollow beam-shaped part and a hot forming method and a forming die thereof, and belongs to the technical field of titanium alloy forming methods. The forming method comprises the following steps: respectively carrying out hot-press forming on a bottom plate blank and a rib plate blank to obtain a bottom plate and a rib plate; the supporting block is arranged in the bottom plate, then the rib plate is arranged on the supporting block, the two ends of the supporting block are subjected to edge sealing welding through the blocking piece, the blocking piece is connected with the bottom plate and the rib plate, and the air pipe is connected to the blocking piece; the bottom plate and the rib plate which are subjected to edge sealing and welding are placed in a mold, diffusion bonding is conducted under heating and pressurizing, and metallurgical bonding is achieved at the joint of the bottom plate and the rib plate; and subsequent machining is conducted, and the hollow beam-shaped part is manufactured. The problems of welding seam performance weak areas and complex welding deformation generated by a traditional tailor-welding method are effectively solved, meanwhile, the defects that due to overall mechanical cold machining, material waste is large, and thin-walled parts are prone to deformation are overcome, and high-quality and high-efficiency near-net forming of the titanium alloy hollow beam-shaped parts is achieved.

This invention discloses a construction process for controlling the deformation of multi-curved irregular-shaped aluminum panels. The first pre-assembly ensures the aluminum panel processing accuracy meets requirements; the second pre-assembly controls the deformation and angular deviation of the assembled aluminum panel units; and the third pre-assembly ensures the qualified connection between multiple aluminum panel units. These three pre-assembly processes ensure the processing accuracy of the aluminum panels and guarantee a high rate of qualified aluminum panels leaving the factory. A shaping plate serves as a benchmark for controlling interface dimensions, allowing for timely detection of deformation in aluminum panel units. The shaping plate also reduces deformation during subsequent processes. During the spraying process, when the aluminum panel is suspended on one side, it will not deform due to its own weight. Under spraying and baking conditions, the deformation of the aluminum panel is also greatly reduced. Through the combined effect of the three pre-assembly processes and the shaping plate, the final finished aluminum panel can achieve the preset shape.

The blade shaping machine comprises a base, a chuck for driving the impeller to rotate to a preset angle, an ejector rod for ejecting the impeller, a chuck for machining blades of the impeller and a detection device for detecting the shape of the impeller, wherein the ejector rod is rotationally connected with the chuck; the chuck is movably arranged on the base; and the detection device is arranged on the base. The problem that in an existing scheme, in the shaping process, an impeller needs to be clamped multiple times, a chuck is held for shaping, and the shaping precision of impeller blades is low due to the manual judgment effect is solved.

The utility model relates to the technical field of solar inverter manufacturing, and discloses a shaping device for solar inverter coil processing. Comprising a supporting frame, a processing box is fixedly connected to the top of the supporting frame, and an air cylinder located on a fixing support is started, so that the air cylinder drives piston rods on the periphery and extrusion blocks below to reciprocate up and down together, and therefore the air cylinder pushes processing rods below and shaping heads below connecting blocks to move towards a solar inverter coil; and the shaping head is in contact with the middle part of the solar inverter coil, so that the processing and shaping work of the solar inverter coil is completed, and meanwhile, the shaping head and the shaping block are both made of wear-resistant materials, and flexible contact surfaces are arranged at the tail ends of the shaping head and the shaping block, so that the shaping head and the shaping block are not prone to deformation. And the coil can be effectively prevented from being damaged, so that the shaping precision can be effectively ensured under the condition of ensuring convenient operation.

The utility model discloses a pipe clamp tool for processing thin wall steel pipe, including clamp subassembly, operating assembly and spot welding avoidance structure, and clamp subassembly contains two symmetrical pipe clamp body, and two pipe clamp bodies respectively include two clamping parts that are connected to the outer wall of steel pipe, and two connecting arms are connected in the one end of two clamping parts, operating assembly is connected with the connecting arm of two pipe clamp bodies respectively, is used for providing holding position for operating pipe clamp tool, and spot welding avoidance structure includes hollow spot welding area that is set up on the clamping part of two pipe clamp bodies along the welding circumference direction of steel pipe, and is formed pipe clamp cavity through two pipe clamp body and is combined, and the outer wall of steel pipe is adhered to the embracing structure, can one end of two steel pipes is held stably and is aligned and is resisted, guarantees that the relative position accuracy is higher when welding, carries out spot welding operation through hollow spot welding area, has reduced the auxiliary operation time, has shortened the welding period, thereby has improved production efficiency, has helped guaranteeing the welding quality.

The utility model discloses a positioning mechanism for aluminum alloy channel type bridge production belongs to aluminum alloy channel type bridge production auxiliary device technical field, including frame, the frame right side lower extreme fixedly connected with control cabinet, and the frame upper surface fixedly connected with the fender, and fender inner wall fixedly connected with workstation are connected with the positioning plate outside fixedly connected with simultaneously of fender, the positioning plate about fender center symmetry distribution, and positioning plate upper surface fixedly connected with antiskid strip, and antiskid strip equal interval distribution on fender upper surface, and fender inner wall fixedly connected with the limit rod are connected simultaneously. This positioning mechanism for aluminum alloy channel type bridge production, through setting's positioning plate and clamping plate, not only greatly improved the machining precision, prevents its displacement and shaking because of the external force in the processing process simultaneously, ensures the stability of bridge position in the processing, guarantees the bridge size accuracy and shape accuracy after welding, reduces the scrap rate.

This utility model relates to a MOS transistor forming fixture, comprising a fixed base, a product placement platform connected to one side of the fixed base, a plurality of forming grooves for placing products on the product placement platform, clamping components for clamping products connected within the forming grooves, and lower forming blocks connected within the forming grooves. A vertical plate is connected to the other side of the fixed base, and a fixed top plate is connected to the top of the vertical plate. A forming drive device is connected to the fixed top plate, and the drive shaft of the forming drive device passes through the fixed top plate and is connected to one end of a pressure rod. The other end of the pressure rod is connected to a forming pressure plate via a pressure sensor. A plurality of upper forming blocks are connected to the bottom surface of the forming pressure plate, and the upper and lower forming blocks are opposite each other and arranged in a one-to-one correspondence. This utility model can improve work efficiency.

The utility model provides a kind of high-efficiency energy-saving stator core using combined silicon steel sheet, it is related to motor parts technical field, including silicon steel sheet, fixed part one, fixed part two;The both sides of the silicon steel sheet are respectively equipped with positioning groove and locating piece A, and locating piece A is movably clamped in the inside of positioning groove, two groups of round holes are equipped on silicon steel sheet, the upper end of fixed part one is equipped with six groups of recess, and eight groups of locating rods are fixedly connected in the inside lower end of fixed part one, the upper end outside of locating rod is equipped with thread, fixed part two is placed in the upside of fixed part one, eight groups of round holes are equipped on fixed part two, by inside thread and the top end outside thread thread connection of locating rod, and damping washer is equipped in the bottom end of inner thread pipe, fixed part one and fixed part two are tightly connected together, form strong compacting force to multilayer silicon steel sheet core, guarantee compact core structure, solve the problem that the stability of the structure of existing traditional combined core may be insufficient after assembly.

The application relates to the technical field of water guide laser micro-hole machining, and provides a method for efficiently machining a small hole with a large depth-diameter ratio by using a water guide laser, which comprises the following steps: S1, cleaning and fixing a workpiece to be machined on a clamp; S2, setting process parameters according to machining requirements and material characteristics, and calculating the optimal scanning circle number required for machining a through hole by using a formula; S3, moving a water guide laser machining head to a machining origin, adopting a concentric circle track or a spiral line track, and scanning and machining the workpiece at the optimal scanning circle number until a through hole is formed; S4, after detecting that the workpiece is penetrated to form a through hole, reducing the scanning circle number to 25% of the optimal scanning circle number, and calling a machining subprogram to perform trimming machining on the small hole; and S5, after completing the machining of the current small hole, moving the workpiece or the machining head to a next machining position, resetting the scanning circle number to the optimal scanning circle number, and repeating steps S3 to S4 to realize periodical machining. The method realizes high-quality, efficient and stable machining of a small hole with a large depth-diameter ratio.

This utility model discloses a novel digital sensor for injection molding machines, comprising a connecting rod, a strain gauge, a flexible PCB, and a digital amplifier. The connecting rod has a first connecting portion and a second connecting portion at its two ends along its length. An elastic strain zone is provided on the connecting rod, and a cover is detachably provided on the elastic strain zone. The first connecting portion, the second connecting portion, and the cover are cylindrical structures. An oblong hole is formed in the elastic strain zone. The strain gauge is attached to the upper and lower surfaces of the elastic strain zone. The flexible PCB is electrically connected to the output end of the strain gauge, and the digital amplifier is electrically connected to the output end of the flexible PCB. This utility model designs the connecting rod of the injection molding machine as a connecting rod with a built-in high-precision strain gauge force sensor. It can monitor the force on the connecting rod without the need for an external sensor, allowing the control system to monitor the clamping force of the injection molding machine in real time, ensuring that the mold can close tightly, thereby guaranteeing the shape and dimensional accuracy of the product.

The application discloses a high-precision plug core product forming die and a forming method, and relates to the field of injection molding dies. In view of the MT plug core forming problem of an ultra-fine inner hole, a multi-section split die core structure is adopted, the cavity is divided into an upper forming block, a lower forming block and a sealing block, an ultra-fine hole forming needle and a hole forming rod of tungsten steel material are used to form the cable fine hole; the inner forming block and the sealing block are integrally formed by oil cutting, the tail end of the hole forming needle is axially and angularly fixed through a connecting device; a matching anti-shaking multi-slider mechanism is used to stably translate the sealing block through cooperation of an inclined rod and an inclined channel, and a spring is used to eliminate transmission clearance; integrated mold temperature automatic measurement, cavity pressure real-time sensing and exhaust sealing structure are used to realize closed-loop monitoring in the forming process. The application effectively avoids the breakage of the slender insert during processing and the injection deformation, improves the forming precision of the ultra-fine inner hole, and improves the product consistency and yield.

The utility model discloses a fixing tool for elbow machining, which relates to the field of machining and comprises a tool body and a hollow area arranged at the middle end of the tool body, and a first inner threaded hole and a second inner threaded hole are respectively arranged on the left side and the upper end of the tool body. An inner lower side face is arranged at the lower end of the hollow-out area in the tool body. According to the fixing tool for bend machining, a workpiece is fixed through the hollowed-out area formed in the tool body, the inner lower side face and the inner right side face are used for storing micro-welding 90-degree bend blank square stock, the right angle and the circular groove of the micro-welding 90-degree bend blank square stock are protected to be located on the back face of the tool through the arrangement of the receding holes, and the cover plate is stored in the circular groove; according to the fixing tool device, a workpiece can be accurately positioned and clamped, the workpiece can be kept at the correct position and posture in the machining process, machining errors are reduced, and therefore the size precision, the shape precision and the position precision of the machined workpiece are guaranteed.

The embodiment of the invention provides a plate frame forming method and system, a mouth frame for a rocket and a carrier rocket. The plate frame forming method comprises the steps that a plate above the solid solution temperature is put into a stretching die to complete stretching of the plate; the stretched plate frame continues to be clamped in the stretching die, under the condition that it is monitored that the temperature of the plate frame is not lower than the solid solution temperature, a cooling medium is injected into the stretching die, and quenching of the plate frame is started; when it is monitored that the temperature of the plate frame is reduced to the quenching finishing temperature, the quenched plate frame is taken out of the stretching die; and aging treatment is conducted on the plate frame. The plate is heated to be above the lower limit of the solid solution temperature, the plate is always clamped in the stretching die during stretching and quenching, a low-temperature cooling medium is injected through a cooling medium runner in the die, the cooling speed of quenching is increased, precipitation of a strengthening phase is avoided, and therefore the shape precision and strength of the mouth frame for the rocket can be guaranteed.

This invention relates to a coded blanking device based on a preset model, comprising: a transport unit including a main transport track, a first sub-transport track, and a second sub-transport track; a blanking unit including a first blanking section and a second blanking section; an electric load plate slidably connected to the transport unit; a steering unit including a column, a first lifting assembly and a second lifting assembly, a first telescopic push plate, a second telescopic push plate, and a vision recognition unit; and a cooling unit including a first cooling section and a second cooling section. Compared with the prior art, this invention can achieve directional transport of boards with different placement orientations through a preset program, thereby enabling precise directional cutting of the boards, effectively shortening the operation process, and significantly improving the automation level and operational efficiency of the semi-finished board processing process.

The invention discloses a track correction and control method for a multi-axis electro-hydraulic servo system of a radial forging machine, and provides a cooperative control scheme fusing an extended state observer and online iterative learning for the composite control problem of coexistence of random high-frequency forging impact and workpiece axial plastic extension accumulated deviation in the radial forging process. According to the method, by establishing and discretizing a system model, on one hand, real-time estimation and feed-forward compensation are carried out on total disturbance including random impact by using an extended state observer; on the other hand, multi-step state prediction is carried out based on the discrete model, an online iterative learning algorithm is adopted to carry out iterative correction on prediction errors caused by slow change factors such as workpiece extension, and track correction is generated. Finally, disturbance compensation and trajectory correction jointly act on a controller, synchronous suppression and compensation of high-frequency random interference and low-frequency trend deviation are achieved, and trajectory tracking precision and robustness of the multi-axis system under strong impact and nonlinear working conditions are remarkably improved.

The utility model discloses a high accuracy flat grinding diamond grinding wheel, specifically related to the technical field of grinding wheel, including diamond grinding wheel main part, diamond grinding wheel main part inside fixed mounting has the installation shaft sleeve, the installation shaft sleeve outside rotation is connected with the fixed ring, the fixed ring top fixedly connected with the connecting plate, the connecting plate top is provided with the cleaning mechanism, the cleaning mechanism includes the fixed shell, the fixed shell is fixed in the connecting plate top, the fixed shell top fixedly connected with the fixed plate. The utility model avoids the impurity blockage grit gap or the interference cutting process, guarantees the grinding wheel sustained stable grinding ability, and then improves the workpiece surface finish, and the cleaning effect avoids the cutting deviation caused by the impurity, makes this flat grinding diamond grinding wheel still can keep higher processing accuracy in the long -term use process, improves the qualified rate of product, especially suitable for the precision machining field of higher precision requirement.

The invention provides a hemispherical harmonic oscillator high-uniformity coating MASK and a design method thereof.The hemispherical harmonic oscillator high-uniformity coating MASK comprises a circular shielding structure, a spherical shielding structure, an outer spherical surface hollow structure, a center anchor column hollow structure, an inner spherical surface hollow structure and a lip edge hollow structure, the circular shielding structure is located above the spherical shielding structure, and the circular shielding structure and the spherical shielding structure are concentric; the outer spherical hollow structure is located in the circular shielding structure, and the outer spherical hollow structure and the lip hollow structure are arranged at a certain circumferential angle; the lip edge hollow structure is positioned in the circular shielding structure and is connected with the inner spherical surface hollow structure; the inner spherical hollow structure is positioned in the spherical shielding structure and is connected with the central anchor post hollow structure; and the central anchor post hollow structure is positioned at the central position of the spherical shielding structure.

This invention belongs to the field of parts processing technology and discloses a method for processing niobium flange sealing grooves. The method includes the following steps: controlling a cutting tool to cut the niobium flange at the location to be processed in the sealing groove according to a preset method, while continuously pouring coolant onto the cutting tool during the cutting process; and grinding the groove wall using a grinding tool. The preset method includes the following steps: S21, controlling the cutting tool to cut the niobium flange in N segments along the width direction of the sealing groove, with each segment having a cutting width of B and a cutting depth that increases progressively in an arithmetic progression with a tolerance of H; B is 1 / N of the sealing groove width, and H is 1 / N of the sealing groove depth; S22, repeating step S21 N-1 times in a progressively decreasing arithmetic progression until the sealing groove is completed, wherein the tolerance of the number of segments is 1. This method for processing niobium flange sealing grooves can reduce tool wear, extend tool life, and ensure the processing accuracy of the sealing groove.

According to the self-adaptive compensation clamp, an X-Y direction compensation module is formed by the first linear sliding rail and the second linear sliding rail which are perpendicular to each other in direction, displacement deviation, generated by stress release, of a workpiece in the horizontal plane is absorbed and compensated, rigid constraint of a traditional bolt pressing plate is replaced, and meanwhile the self-adaptive compensation clamp has the advantages of being simple in structure and convenient to use. A Z-direction height and angle self-adaptive mechanism is formed by matching a plurality of adjusting cylinders capable of independently and axially stretching out and drawing back at the bottom of the first self-adaptive unit with the connecting unit, and the Z-direction height and angle self-adaptive mechanism can actively fit workpiece bending and torsion caused by self-weight or stress release, so that self-weight deformation is effectively resisted; and finally, a clamping air cylinder and a clamping arm which are integrated in a connecting unit are used for locking an adjusting cylinder, and a locking device at the bottom is used for locking the position of an X-Y compensation module, so that stable support is provided for finish machining, the phenomena of non-uniform wall thickness and over-cutting of the web plate are avoided, multi-dimensional self-adaptive compensation and accurate locking of machining deformation of the large thin-wall part are realized, and the machining precision of the large thin-wall part is improved. And the size precision and the shape precision of final machining are also ensured.

The utility model relates to the technical field of fan blade nesting processing equipment, and discloses fan blade nesting through hole burr removing equipment which comprises a working table, moving assemblies are fixedly connected to the two sides of the top of the working table, a fixing box is fixedly connected to the top of the working table, a motor is installed on the inner wall of the fixing box, and the moving assemblies are fixedly connected to the two sides of the top of the working table. The driving end of the motor is fixedly connected with a supporting rod, one side of the supporting rod is fixedly connected with a milling cutter, the top of the moving assembly is provided with a sliding frame, the bottom of the sliding frame is fixedly connected with a fixing block, the inner wall of the fixing block is fixedly connected with a plurality of springs, and the bottoms of the springs are fixedly connected with a sliding plate. According to the dust removal device, the fixing block is driven by the sliding frame, so that the fixing block drives the sliding plate, the brush moves to make contact with the top of the workbench, dust removal of the workbench is achieved, dust can be effectively prevented from entering equipment, and the abrasion degree of parts is reduced.

The invention discloses tapping equipment for speed reducer gear machining, relates to the technical field of gear machining, and aims to solve the problems that existing speed reducer tapping equipment is poor in adaptability and difficult to accurately lock and clamp, tedious manual operation is needed, meanwhile, the fixing mode is single, gear tapping is prone to displacement, and machining efficiency is high. The automatic tapping machine comprises a tapping mechanism, a positioning mechanism and an auxiliary mechanism. The adjusting rod is driven to move through the self weight of the reduction gear, the chassis is driven to rotate, clamping plates are combined, preliminary fixing is completed, gas is injected into the first telescopic cylinder by means of contraction of the second telescopic cylinder, a protruding block and a friction pad are pushed to be tightly attached to the surface of the gear, secondary fixing is achieved, the double fixing mechanisms are matched, and the fixing strength is greatly enhanced; displacement or looseness of the reduction gear caused by external force such as cutting force and vibration in the machining process is effectively prevented, and the stability of the machining process is ensured.