15results about How to "Avoid size errors" patented technology

The invention relates to the technical field of cloth cutting, in particular to a public security raincoat production cloth cutting device which comprises a cutting table installed at one end of the top of a processing table and a conveying belt fixedly installed at one end of the cutting table. The cutting mechanism comprises a supporting frame arranged on the cutting table and a cutting knife installed on the inner side of the supporting frame, a servo air cylinder is fixedly installed at the top of the supporting frame, a driving transverse plate is detachably arranged on an output shaft of the servo air cylinder, and the cutting knife is detachably fixed to the driving transverse plate. The situation that the cloth is mechanically stretched or deformed in the cutting process to affect the size accuracy of the cut cloth can be prevented, the edge of the cut cloth is smooth and tidy, the cutting quality is guaranteed, the cloth cutting precision and the production efficiency are improved, meanwhile, cloth waste is reduced, the raincoat production process can be optimized, and the production cost is reduced. And the quality of finished products can be improved.

The invention provides a mechanical watch movement second shaft machining method. The mechanical watch core second shaft machining method comprises the steps that a, a high-precision metal bar is adopted and cut into a machining blank meeting the length requirement of a second shaft, preliminary deburring and polishing treatment are conducted on the surface of the blank, machining errors caused by surface defects are reduced, and materials with obvious defects are removed through quality detection; according to the mechanical watch core second shaft machining method, through application of the key model and the optimization technology, the machining precision and the surface quality of the mechanical watch core second shaft are remarkably improved. Through introduction of the flexible clamping device and combination of an elastic modulus and pressure distribution optimization algorithm, the problem of workpiece deformation caused by too large clamping force in traditional machining is effectively solved, and the method is particularly suitable for machining of a second shaft with a small size. According to the high-frequency ultrasonic vibration auxiliary turning technology, by means of dynamically-adjusted vibration frequency and cutting force distribution, the influence of machining vibration on the surface quality is reduced, and the cutting efficiency is remarkably improved.

This invention discloses an intelligent modular composite milling and turning tool for machining centers, relating to the field of milling and turning tool technology. It includes a turret configured to be rotatably mounted on a machine tool turret base to perform multi-axis composite machining motions. The turret's disc body has a plurality of precision guide grooves arranged in a circumferential array extending radially. This invention constructs a closed fluid circulation loop comprising a spiral cooling pipe, a circulating pump, and a telescopic pipe, and incorporates an adaptive cooling assembly consisting of radial heat dissipation fins and a temperature sensor. This allows for real-time adjustment of coolant flow rate and heat dissipation power based on cutting heat, ensuring the tool holder remains in a constant-temperature machining environment. This effectively avoids dimensional errors caused by thermal deformation and improves the yield rate of machining heat-sensitive materials.

The utility model relates to the technical field of pin shaft machining, and discloses a pin shaft circumferential grinding machining device which comprises a bottom plate, the left side of the top end of the bottom plate is fixedly connected with a first motor, the driving end of the first motor is fixedly connected with a reciprocating lead screw, and the left side of the outer wall of the reciprocating lead screw is in threaded connection with a sliding block. A sliding rail is fixedly connected to the top end of the bottom plate, limiting blocks are fixedly connected to the left side and the right side of the top end of the sliding rail, a fixing block is fixedly connected to the right side of the top end of the bottom plate, a fixing ring is fixedly connected to the top end of the fixing block, and a sleeve is rotationally connected to the inner wall of the fixing ring; a plurality of second electric push rods are fixedly connected to the inner wall of the sleeve. According to the pin shaft polishing device, the polishing distance is set in advance according to the needed size of a pin shaft, size errors caused by excessive polishing are prevented, and meanwhile the surface of the pin shaft can be evenly polished through cooperation with the reciprocating lead screw.

The utility model relates to building construction structure technical field especially is a kind of protective fence linear precision positioning tool, including support formwork main body, the support formwork main body includes several side plate assemblies, the side plate assembly between adjacent is assembled through connecting piece cooperation, the upper end of the support formwork main body is provided with positioning assembly, positioning assembly is limitedly provided with stand, and the side of the stand is provided with several supporting members;The side plate assembly includes several stainless steel side plates, each The stainless steel side plate is provided with butt joint structure, and the stainless steel side plate between upper and lower adjacent is matched butt joint through butt joint structure, the utility model is positioned by the cooperation of positioning assembly and supporting member, and the four side edges of stand are positioned and supported, avoid the influence that traditional manual pulling line positioning is affected by topography undulation, construction disturbance, significantly improve the perpendicularity of stand and the smoothness of overall linear, effectively satisfy the acceptance requirement that high-speed railway protective fence is smooth and straight and beautiful.

The utility model relates to engraving machine lower knife point prevents scarring with pressing device, including the pressing mechanism for the plate is pressed tightly in the lower knife position, and the pressing mechanism includes a pressing block and is used for driving the pressing block to move up and down the pressing block drive mechanism, and the engraving machine lower knife point prevents scarring with pressing device still includes the pressing mechanism connection frame for installing the pressing mechanism on the engraving machine head installation foundation, and the pressing mechanism connection frame has XY guide portion for avoiding the restriction engraving machine head movement after the work piece is pressed tightly by the pressing block, and the engraving machine lower knife point prevents scarring with pressing device still includes the connection frame reset mechanism for driving the pressing mechanism reset after lifting the knife. When working, the pressing mechanism starts in the place of 20mm-30mm from the lower knife point that engraving machine cutter head processes, and the work piece is pressed tightly under the descending of the pressing block, under the action of XY guide portion, the pressing mechanism is immobile, and the engraving machine head continues to process, and the pressing block resets when lifting the knife, and under the action of the connection frame reset mechanism, the pressing mechanism resets.

This utility model discloses a trimming and cutting device for particleboard production, including a U-shaped bottom hollow frame, sponge rollers rotatably mounted at the front and rear positions inside the U-shaped bottom hollow frame via bearing seats, a drive shaft rotatably mounted on one inner wall of the U-shaped bottom hollow frame, and an external spline shaft rotatably mounted on the inner wall of the U-shaped bottom hollow frame below the drive shaft. A left cutting disc is fixed to one end of the external spline shaft near the inner wall of the U-shaped bottom hollow frame. A three-gear speed-increasing transmission structure is installed between the drive shaft and the external spline shaft. This utility model controls the positions of the L-shaped shaft carrier, T-shaped hollow bushing, internal spline shaft, and right cutting disc via a control panel and an X-axis lead screw electric module. After adjustment, the motor transmits power to the external spline shaft and internal spline shaft, causing the left and right cutting discs to rotate synchronously. The operator manually pushes the particleboard until the left and right cutting discs synchronously trim the edges of the particleboard.

This utility model belongs to the field of contact wire technology, specifically relating to a contact wire ratchet connecting frame anti-deformation mirror rotation welding device, including a base, a pressure frame, and a rotation drive mechanism for driving the base to rotate; the base includes a first limiting structure for supporting and limiting a U-shaped hanging plate, a second limiting structure for supporting and limiting a steel pipe, a third limiting structure for limiting a support plate, and a fourth limiting structure for limiting the horizontal tube of the connecting frame; the pressure frame is equipped with a pressure plate assembly for pressing down the upper and lower stiffening plates; this utility model uses the first limiting structure, the second limiting structure, the third limiting structure, the fourth limiting structure, and the pressure plate assembly to fix the ratchet connecting frame, and uses the rotation drive mechanism to compensate for the blind spot during welding, achieving integrated welding without dead angles, and can achieve synchronous symmetrical welding on both sides, avoiding dimensional errors caused by displacement due to welding on one side.

The utility model discloses a positioning and cutting device which comprises a machine box, a control table is arranged outside the machine box, a cutting mechanism is installed inside the machine box, the cutting mechanism comprises a tool apron, an inclined tool groove is formed in the surface of the tool apron, a tool rest is installed on the upper surface of the tool apron, fixing seats are installed on the two portions of the upper end of the tool rest respectively, and the fixing seats are fixed to the machine box. A sliding groove is formed in the tool rest, a cutter is slidably installed on the tool rest through the sliding groove, a plurality of through holes are formed from the lower surface of the tool apron to the inclined tool groove, the through holes are all connected with air pipes, an air blower is fixed in the machine box, and an output port of the air blower is connected with the air pipes. And the cutter and the air blower are electrically connected with the console. By arranging the cutting mechanism, the console can control the cutter to cut the passing filter bag, and the air blower blows air, so that the cut part of the filter bag is prevented from being clamped into the cutter groove.

The utility model discloses an air bag stamping device. The air bag stamping device comprises a base, a stamping driving mechanism, a lower punch mechanism and an upper punch mechanism. The punching driving mechanism is used for driving the upper punch mechanism to be inserted into or pulled out of the lower punch mechanism. The upper punch mechanism comprises a connecting jacking column, a workpiece end punching assembly and a punching assembly. An air bag workpiece is inserted into the lower punch mechanism in the horizontal direction, the workpiece end punching assembly and the lower punch mechanism are matched in a jacking mode to punch and cut the end of the air bag workpiece, the punching assembly and the lower punch mechanism are matched in a jacking mode to cut and punch the air bag workpiece, and one-time forming is achieved; the automatic punching process of the air bag workpiece is achieved, the upper punch mechanism can be automatically inserted into or pulled out of the lower punch mechanism through the driving effect of the punching driving mechanism, the accuracy and consistency of the punching process are ensured, the problems of size errors and air leakage occurring in manual operation are effectively avoided, and the production efficiency is improved. And the quality and the production efficiency of air bag products are improved.

The utility model relates to the technical field of wire rod processing equipment, propose a kind of sleeve mechanism, including rack, be equipped with on the rack: pipe clamp subassembly, the pipe clamp subassembly is used to clamp sleeve;Wire clamp subassembly, the wire clamp subassembly is used to clamp wire rod;Feeding assembly, the feeding assembly is used to convey sleeve to the pipe clamp station of pipe clamp subassembly;Cutter subassembly, the cutter subassembly cuts sleeve after sleeve is clamped by pipe clamp subassembly, to cut off the sleeve of pipe clamp subassembly and feeding assembly connection;Moving assembly, the moving assembly movable end is connected with pipe clamp subassembly, is cut off by cutter subassembly, and sleeve on pipe clamp subassembly is moved along wire clamp subassembly by moving assembly, to sleeve set on the outside of wire rod. The sleeve mechanism is cooperated by each component, realizes the full automation operation of sleeve setting process.

The utility model relates to the technical field of pet food processing, and discloses a splitting and cutting device for pet food, which comprises a splitting seat and a cutting device, the splitting seat comprises a bottom plate and a support, an extruder is fixedly arranged on the bottom plate, a trough is arranged at an extrusion port of the extruder, and the support is fixedly arranged on the bottom plate and positioned above the trough; the material carrying plate is detachably arranged below the bottom plate in a sliding manner and is driven by a plurality of driving wheels fixedly arranged below the bottom plate, and a gap for pet food to pass through is formed between the upper wall of the material carrying plate and the lower wall of the bottom plate; the slitting frame is arranged on the bottom plate, located over the material groove and driven by an air cylinder fixedly arranged on the support to ascend and descend, and a plurality of slitting knives are arranged below the slitting frame at equal intervals. The device has the advantages that uniform cutting is achieved after forming, the device is directly and neatly placed on a drying plate, manual placing is not needed, and the specification is uniform.

The invention provides a combined mold manufacturing method based on UG modeling, and relates to the technical field of mold manufacturing. The combined mold manufacturing method based on UG modeling comprises the steps that demand analysis and scheme design are carried out, according to product demands, mold types, structural forms and main technical parameters are determined, preliminary three-dimensional modeling is carried out through UG software, and an overall design scheme of a mold is generated; in the step of three-dimensional modeling and parametric design, in UG software, the powerful three-dimensional modeling function of the UG software is utilized, detailed three-dimensional modeling is conducted on all parts of the mold, a parametric design method is adopted, and parametric definition is conducted on the key size of the mold, so that subsequent modification and optimization are facilitated. A powerful three-dimensional modeling tool is provided by adopting UG software, all parts and the overall structure of the mold can be rapidly created, the design period is remarkably shortened, rapid modification and optimization can be achieved through parametric design and mold design, the workload of repeated design is reduced, and the design efficiency is improved.

The invention relates to the technical field of vehicles, and discloses a floor framework, a seat assembly, a floor assembly and a vehicle, a seat front cross beam, a seat rear cross beam, a first side reinforcing part and a second side reinforcing part are integrated to form the integrally formed floor framework, the number of parts of the floor framework is reduced, and the cost is reduced. Connection between mutually independent parts is omitted, so that the forming process of the floor framework is simpler, and the processing efficiency of the floor framework is improved; the integration degree of the floor framework can be improved, the size control of the floor framework is more accurate, the size precision is improved, and size errors caused by welding of independent components are avoided; the connecting strength of the seat framework, the seat front cross beam and the seat rear cross beam can be improved, and the safety and reliability of the floor framework are improved; and the performance of the area near the seat can be improved, and the user perception experience is improved. By arranging the second side reinforcing piece, the structural strength, the anti-collision performance, the reliability and the stability of the whole floor framework can be improved.