16results about How to "Avoid low machining accuracy" patented technology

The invention relates to the technical field of numerical control machine tools, in particular to a turning and milling combined type numerical control machine tool which comprises a material shifting frame, a pushing assembly, a traction assembly and a spraying assembly. The shifting frame is connected with the supporting sliding table; the pushing assembly is connected with the material stirring frame. The traction assembly is connected with the longitudinal beam plate; the spraying assembly is connected with the traction assembly; the spraying assembly sprays cutting fluid to the surface of a workpiece for reciprocating flushing through reverse movement of the upper face and the lower face of the conveying belt structure, and the pushing assembly is driven by the opposite-tooth transmission structure to drive the material shifting frame to reciprocate so that the cutting fluid and waste chips can be guided to the material collecting box; and the cutting fluid with the scraps filtered is guided back to the spraying assembly again to be repeatedly used. And therefore, the problem that the surface machining quality of a machined workpiece is affected by waste left on the surface of the workpiece in the turn-milling process is solved.

The positioning structure comprises a base, a lower pressing ring and an upper pressing ring, the lower pressing ring is arranged on the base and used for supporting a turned edge of the special-shaped part, the upper pressing ring is arranged on the lower pressing ring and used for pressing the turned edge of the special-shaped part, and a plurality of extrusion mechanisms used for extruding workpieces are evenly arranged on the inner side of the lower pressing ring. The lower pressing ring is positioned on the supporting disc through the positioning pin, a plurality of extrusion mechanisms are installed in the lower pressing ring and evenly distributed in the circumferential direction, box bottom parts can be automatically located in the center of equipment, workpieces of different specifications are matched with different lower pressing rings, and the positioning and supporting effects are achieved. A positioning hole is formed in the flanging of the workpiece, a positioning pin is arranged on the lower pressing ring, and when the workpiece is placed, positioning consistency and position precision of the front workpiece and the rear workpiece are guaranteed through the positioning pin.

The invention discloses a non-ruled surface cutter axis vector optimization method, device and equipment. The non-ruled surface cutter axis vector optimization method comprises the steps that an initial cutter axis vector is determined according to the preset cutting direction of a to-be-machined non-ruled surface; judging whether a machining path is generated according to the initial cutter axis vector and a workpiece model, and in the machining execution process, whether a cutter is stressed and deformed in the initial cutter axis vector in the machining path process or not; under the condition that the initial cutter axis vector is stressed and deformed in the path machining process, the cutter stress deformation needing reverse compensation is obtained through calculation according to machining feature data, collected in real time, of the non-ruled surface; according to the reversely compensated tool stress deformation, the deformed initial tool axis vector is optimized to effectively compensate errors brought in the machining process, the optimal tool axis vector is obtained, the errors generated in the machining process are reduced, and the machining efficiency is improved.

The utility model relates to the technical field of metal part stamping, and discloses stamping equipment for spaceflight metal part production, which comprises a stamping table and a placing table, a support is fixedly connected to the rear side of the upper part of the stamping table, a stamping cylinder is fixedly connected in the support, and the output end of the stamping cylinder is fixedly connected with a mounting block. A guide ring is fixedly connected to the rear side of the exterior of the mounting block, a punching head is inserted into the mounting block, mounting pipes are fixedly connected to the two sides of the interior of the mounting block, sliding blocks are slidably connected into the mounting pipes, plug pins are fixedly connected to the left sides of the exteriors of the sliding blocks, and moving rods are fixedly connected to the right sides of the exteriors of the sliding blocks; the moving rod is sleeved with a spring, and a discharging assembly is arranged on the upper portion of the stamping table. According to the stamping equipment, stamping heads of different models can be replaced according to different stamping requirements, operation is easy and convenient, and therefore the flexibility and adaptability of the stamping equipment are improved.

The utility model discloses a gear machining fixing device with a multi-angle adjusting function, which belongs to the technical field of gear machining, and comprises a mounting table, two sides of the mounting table are connected with support frames, the inner wall of the mounting table is provided with a connecting groove, the mounting table is slidably provided with a collecting box through the connecting groove, and the collecting box is connected with the support frames. A fixing plate is connected to the mounting table, a fixing rod is connected to the interior of the mounting table, and a hydraulic push rod is rotationally connected to the fixing rod. According to the gear machining fixing device with the multi-angle adjusting function, a hydraulic push rod is started to push a machining table, so that the machining table rotates with a connecting rod as the circle center, meanwhile, sliding rods connected to the two sides of the machining table can slide along guide grooves formed in a fixing plate, and the machining table can stably rotate; therefore, the angle of the gear is adjusted through rotation of the machining table so that machining at different angles can be completed, and a worker can observe the machining condition of the gear at multiple angles.

The utility model discloses a cooling device of lathe main shaft, including the casing, the main shaft through bearing installation in the casing, install the sealing cover at the casing end portion department, set up the liquid inlet and the liquid outlet on the casing, the inner chamber of casing is cylindrical, be provided with the helical flow guide vane in the casing, the liquid inlet and the liquid outlet are located respectively at the both ends near department of flow guide vane, the clearance between the inner edge of flow guide vane and main shaft is 0.8 2mm, the utility model has the advantages in that: through the application of the device, the main shaft can maintain more stable temperature state in the high -speed operation process, avoids the processing precision decline caused by temperature rise, thereby effectively guarantees the processing quality of part.

The utility model discloses a milling cutter structure with a positioning function, which relates to the field of milling cutters and comprises a cutter handle, a cutter head is arranged at one end of the cutter handle, a positioning sleeve is slidably connected to the outer side of the cutter handle, and an adjusting structure is arranged on the positioning sleeve and used for adjusting the tightness degree between the positioning sleeve and the cutter handle. The positioning sleeve is matched with the tool apron, after first-time tool setting is completed, tool setting does not need to be conducted again when a milling cutter is assembled subsequently, the milling cutter can easily reach a preset machining position, tool changing and tool setting time is saved, and machining efficiency is remarkably improved; the precise positioning function of the positioning sleeve ensures that the milling cutter can reach the same machining position every time the milling cutter is assembled, machining precision reduction caused by tool setting errors is avoided, and therefore the overall machining quality is improved.

The present invention belongs to the technical field of milling machines, and specifically is a C-axis feed indexing device for a high-precision CNC vertical milling machine tool, comprising a spindle box, a servo motor fixedly installed inside the spindle box, a driving shaft movably arranged inside the spindle box, an adjustment component arranged inside the driving shaft, a chuck fixedly connected to the adjustment component, a drive component arranged inside the spindle box, a wind component arranged inside the spindle box, and a heat absorbing plate symmetrically arranged inside the spindle box. The C-axis feed indexing device for a high-precision CNC vertical milling machine tool can facilitate the removal of debris on the chuck after grinding by using a cleaning nozzle, and the micro-blower conveying air will cause the wind to flow into the cleaning nozzle, and the wind will flow to the surface of the chuck through the cleaning nozzle to remove adsorbents on the surface of the chuck, which is convenient for removing debris adsorbents generated during grinding, thereby improving the cleaning efficiency.

The utility model discloses a bearing seat machining clamp which is characterized in that a support is fixedly connected to the upper surface of a bottom plate, a sliding groove is formed in the upper surface of the bottom plate, a sliding table is connected to the inner surface of the sliding groove in a sliding mode, a push-pull device is fixedly connected to the rear surface of the sliding table, and a fixed clamping block is fixedly connected to the side surface of the support; the side surface of the sliding table is fixedly connected with a movable clamping block and a fixed clamping block, the upper surface and the lower surface of the movable clamping block are fixedly connected with dust suction hoods, the inner surfaces of the fixed clamping block and the movable clamping block are fixedly connected with dust suction pipes, the dust suction pipes communicate with the dust suction hoods, the upper surface of the bottom plate is fixedly connected with a filter box, and the inner surface of the filter box is fixedly connected with a filter plate. By means of the components, dust accumulation in a workshop can be effectively reduced, the risk that operators make contact with harmful dust and smoke is reduced, and the health of the operators is protected.

The utility model provides a kind of electronic wire harness pay-off guiding device, including base, set on the base for wire harness unwinding unwinding assembly, set on the base for wire harness pay-off pay-off driving assembly, further include vertical guiding assembly, have the pulley assembly of lift frame for pressing wire harness down, two groups of cleaning components for cleaning wire harness respectively are set on the lift frame;Wherein, the lift frame is slidably connected with the guiding assembly and can be lifted along vertical direction, the pulley assembly and two groups of the cleaning component are set between the unwinding assembly and the pay-off driving assembly.The utility model can prevent wire harness slack and lead to low processing accuracy.

The utility model relates to the technical field of silicon core machining, in particular to a silicon core grinding mechanism and a silicon core chamfering device, the silicon core grinding mechanism comprises a first guide rail, a walking support, a mounting support and a grinding wheel, and the length direction of the first guide rail is parallel to the placing direction of a silicon core; the walking support is installed on the first guide rail in a sliding mode. The installation support is slidably installed on the walking support, the moving direction of the installation support is perpendicular to the length direction of the first guide rail, and the grinding wheel is installed on the installation support. According to the utility model, the mounting bracket of which the moving direction is vertical to the length direction of the first guide rail is arranged, so that the grinding wheel can perform left-right reciprocating motion relative to the silicon core based on the mounting bracket while performing chamfering grinding on the whole silicon core along the placing direction of the silicon core along with the walking bracket; the usable area of the grinding surface of the grinding wheel can be fully utilized, the service life of the grinding wheel is guaranteed, the production cost is reduced, the machining precision is prevented from being reduced, and the grinding and chamfering quality is guaranteed.

The invention discloses a numerical control machining tool facilitating chip removal, and relates to the technical field of machine tools with driving. The numerical control machining tool facilitating chip removal comprises a storage box, a numerical control machining part is fixedly connected to the outer wall of the storage box, a door plate is clamped to the outer wall of the storage box, and an impact mechanism is fixedly connected to the outer wall of the numerical control machining part. According to the numerical control machining machine tool facilitating chip removal, by arranging the impact mechanism, chips generated in the machining process can fall into the storage box through airflow blown out by the draught fan, the problem that the machining precision of parts is affected by chip accumulation during machining of the machine tool is effectively solved, cleanliness of a machining area is ensured, a good environment is provided for high-precision machining, and the machining efficiency is improved. Moving devices in the numerical control machining part can change the positions of the machining device and the workbench under program control, so that the impact mechanism can move along with the machining device, and efficient chip removal is achieved while workpieces are machined at different positions.

The present invention relates to the field of fixture technology, and specifically to a CNC boring and drilling fixture for precision machining of track chain links, comprising a V-shaped frame, wherein the upper portion of the V-shaped frame is provided with a clamping mechanism for clamping the track chain links, the lower portion of the V-shaped frame is provided with a feeding mechanism, and the upper portion of the V-shaped frame is fixedly provided with air blow pipes at equal intervals along the front-rear direction. The present invention rotates the mounting plate to a vertical state, and then drives the material storage part to move to the left by moving the V-shaped frame to the left, so that the push plate assembly can push the supporting plate to move to the left, so that the track chain links processed on the mounting plate can be automatically unloaded under the action of gravity, and then the track chain links to be processed are automatically placed on the mounting plate through the pusher assembly, thereby automatically completing the replacement of the track chain links and improving the machining efficiency. The present invention can blow metal debris on the mounting plate through the air blow pipe, thereby automatically cleaning the mounting plate.

To mount a non-rotating tool on a tool table that can rotate the tool via a gear train with backlash, and to prevent the tool from wobbling due to backlash when the tool is stopped and in use without complicating the structure, the tool comprises: a spindle (33) that holds the cutting tool (85) in a manner that allows it to be loaded and unloaded in the direction of axis (C3); a gear train (33) that transmits rotation to the held cutting tool (85); a pull rod (34) that moves the cutting tool (85) in the direction of axis (C3); and a piston (36) configured to move in the direction of axis (C3) between a rearmost position and a foremost position, wherein a coupling (convex-concave shape (36c, 34c)) is formed between the piston (36) and the pull rod (34) that allows them to rotate integrally in a contact state, and the piston (36) stops at an intermediate position between the rearmost position and the foremost position.

The utility model discloses an insulating tube machining efficient dust removal device which comprises a workbench, a centering clamping mechanism, a protection box body, a dustproof strip, a dust suction pump and a dust accumulation box, a tube body penetrates through the centering clamping mechanism and is clamped and fixed, the protection box body is arranged above the tube body in a covering mode, and a cutting lower cutter groove is formed in the surface of the protection box body. The top of the dustproof strip is connected with a cross rod through a fixing bolt. The two ends of the cross rod are connected with a sliding rod and connected with an extrusion ball head, the extrusion ball head makes contact with an eccentric wheel, the eccentric wheel is driven by a rotary knob to rotate, and the dustproof strip is controlled to ascend and descend so as to adapt to pipe bodies with different diameters. During cutting, dust falls into the dust accumulation box below the protective box body, meanwhile, the dust suction pump is connected with the top of the protective box body through the hose and sucks the dust, the dust removal efficiency is improved, and the overall sealing performance is enhanced through the sliding installation mode of the protective box body, dust leakage is prevented, the machining environment is optimized, and the pipe body machining quality is improved.

The application relates to the single-crystal germanium rough processing technical field and provides a crystal bar correction bonding tool, which comprises a base, a graphite plate, a first top block and a second top block; the graphite plate is horizontally placed on the base, and the graphite plate is used for placing a plurality of to-be-bonded crystal bars; the first top block is arranged on the base; the second top block is slidably connected to the base and can horizontally move to the first top block; the first top block is provided with a first abutting surface; the second top block is provided with a second abutting surface; when the second top block horizontally moves to the first top block, the first abutting surface and the second abutting surface respectively contact the crystal bars on the graphite plate and make the adjacent crystal bars adhere to each other. The tool of the application firmly bonds a plurality of crystal bars on the same graphite plate, then the graphite plate is transferred to a cutting device for slicing, the purpose of processing a plurality of crystal bars at a time is achieved, and the production efficiency is improved.