12results about How to "Convenient finishing" patented technology

The utility model discloses a kind of machining toolings for arc groove and arc surface spare parts, including tooling base, support key block is equipped on the tooling base, the upper side of support key block is slidably connected with limit slider, the length direction both sides of limit slider are respectively connected with side plate, and the side wall of side plate is abutted to support key block;The side surface of support key block width direction is also connected with baffle, locking bolt is equipped on the baffle, and locking bolt is abutted to limit slider by passing through the baffle;Limit shaft hole is also equipped on the tooling base, and the side of limit shaft hole away from the side where baffle is arranged.This machining tooling simple structure, easily install and use, by the setting of limit slider and limit shaft hole, the positioning and fixing of the spare part to be processed placed on tooling base can be more conveniently carried out, and it is favorable to the processing of arc groove to spare part to be processed, and the finish machining of outer peripheral contour.

The invention provides an inner hole machining method for a medium-speed wire cut electric discharge machine, and belongs to the technical field of medium-speed wire cutting. The inner hole machining method comprises the following steps that S1, a wire penetrating hole is machined in a workpiece in advance; s2, firstly, a molybdenum wire penetrates through the wire penetrating hole, then an inner hole is roughly cut, meanwhile, a guiding part protruding towards the center of the hole is reserved in the inner hole, and a guiding hole is formed in the guiding part; s3, waste materials are removed after wire drawing, then a molybdenum wire penetrates through the guide hole, then finish machining is conducted on the inner hole, and meanwhile the guide part is cut off; according to the machining method, when the inner hole is roughly machined in the workpiece, the guide hole is reserved so that secondary wire penetrating can be conveniently conducted on the inner hole for finish machining, and by means of the machining method, it is avoided that the distance between the upper machining arm and the lower machining arm of the medium-speed wire cut electric discharge machine is increased, so that the height of the whole equipment is reduced, and meanwhile the structure of the equipment is simplified; and the cost of the equipment is reduced.

A resin laminate for packaging material with good processability is provided, wherein the substrate layer and the sealing layer are formed from the same raw materials. The resin laminate for packaging material comprises at least a substrate layer and a sealing layer, wherein the main components of the resin compositions constituting the substrate layer and the sealing layer are composed of the same resin composition, and the welding initiation temperature (FIT-B) of the substrate layer and the sealing strength attainment temperature (SRT-S) of the sealing layer satisfy the following formulas (1) to (3): 50℃≤(FIT-B)-(SRT-S)≤90(℃) Formula (1) 90≤(SRT-S)≤120(℃) Formula (2) 160≤(FIT-B)≤180(℃) Formula (3)

The utility model relates to the technical field of sealing element machining devices, and provides an automatic graphite gasket outer ring cutting device which comprises a feeding assembly, an interception assembly, a transfer assembly, a clamping assembly and a cutting assembly, the feeding assembly is used for feeding and sequencing graphite gaskets, the interception assembly is arranged at the output end of the feeding assembly, and the transfer assembly is arranged at the output end of the cutting assembly; the graphite washer sorting device is used for separating the sorted graphite washers one by one; the transfer assembly is close to the interception assembly and is used for transferring the single graphite gaskets separated by the interception assembly; the clamping assembly is located on one side of the transferring assembly and used for clamping the graphite gaskets transferred by the transferring assembly. And the cutting assembly is used for cutting the clamped graphite gasket. The graphite washer machining device has the effects that the graphite washer can be conveniently subjected to finish machining, and burrs on the graphite washer are removed.

The utility model discloses a combined type fixed torque nut which comprises a main nut, a screwing head, a mounting groove, a mounting block and a connecting rod, the screwing head is arranged above the main nut, a receding hole is formed in the screwing head, the main nut, the screwing head and the receding hole are all located on the same central axis, the inner diameter of the receding hole is larger than that of the main nut, and the connecting rod is arranged in the mounting groove. A plurality of vertically-arranged connecting rods are arranged between the main nut and the screwing head, mounting blocks are arranged at the top ends and the bottom ends of the connecting rods, the connecting rods and the mounting blocks are of an integrated structure, a plurality of mounting grooves corresponding to the connecting rods one to one are formed in the top end of the main nut and the bottom end of the screwing head, and the mounting grooves are in a cone frustum shape. The inner diameter of the open end of the mounting groove is larger than that of the groove bottom of the mounting groove. According to the utility model, the two ends of the connecting rod are provided with the mounting blocks embedded into the main nut and the screwing head, so that the twist-off torque can be changed by replacing the connecting rod, and the product has better adaptability.

The invention discloses a waste heat utilization device of a phenol ammonia recovery system, the waste heat utilization device comprises the phenol ammonia recovery system, the phenol ammonia recovery system comprises a preprocessor, an integrated reaction tower, a separation tank and a precision processing unit, the preprocessor is connected with the integrated reaction tower through a pipeline, the integrated reaction tower is connected with the separation tank through a pipeline, and the separation tank is connected with the precision processing unit through a pipeline. The separation tank is connected with the fine treatment unit; the waste heat recovery system is composed of a phase change energy storage system, a heat exchange network and an intelligent control system, the phase change energy storage system is connected with the integrated reaction tower, and the heat exchange network is composed of a first heat exchanger and a second heat exchanger. By arranging the waste heat recovery system, a large amount of waste heat generated in the operation process of the phenol ammonia recovery system can be effectively recovered and reused, such as preheating raw gas and providing heat for a fine treatment unit, so that the energy utilization efficiency is greatly improved, and the energy consumption and the production cost are reduced.

The present invention provides a solvent type pigment dispersion composition containing a resin having good compatibility with various pigment dispersion pastes and / or various resins, and further provides a high concentration solvent type pigment dispersion composition. A solvent type pigment dispersion composition containing a branched polyester (A) containing, as a constituent component, a component containing a polyol (a1) having 3 or more reactive functional groups, a dicarboxylic acid and / or a dicarboxylic anhydride (a2), and a mono-epoxide having a long chain hydrocarbon group (a3), a pigment dispersing resin (B), a pigment (C), and an organic solvent (D).

The invention discloses a fixing device for engine camshaft gear finish machining, and relates to the technical field of camshaft gear finish machining, the fixing device comprises an efficient replacement mechanism, the efficient replacement mechanism comprises a chuck body, the inner wall of the chuck body is rotatably connected with a bevel gear wheel, and the inner wall of the chuck body is rotatably connected with a wrench insertion cylinder; a small bevel gear is fixedly connected to the bottom end of the wrench insertion cylinder, the outer surface of the small bevel gear is meshed with the interior of a large bevel gear, a spiral groove is formed in the front face of the large bevel gear, three sliding grooves are formed in the front face of the chuck body, and a toothed plate is slidably connected to the interior of each sliding groove; according to the fixing device for finish machining of the engine camshaft gear, by arranging the stretching unit, the contact panel can be conveniently jacked, the camshaft gear can be conveniently clamped through the contact panel, it is guaranteed that the camshaft gear cannot be loosened in the clamping process, and finish machining can be conveniently conducted on the camshaft gear.

The utility model provides a steel structure turnover device for factories, which comprises a rack, a first vertical plate and a second vertical plate. The driving part is arranged on one side of the first vertical plate, the driving chuck is arranged on the other side of the first vertical plate, and the driving part is in transmission connection with the driving chuck; the second vertical plate is movably arranged on the rack, and the position of the second vertical plate is opposite to the position of the first vertical plate; the driven chuck is arranged on the side, adjacent to the first vertical plate, of the second vertical plate. The rack fixed on the bottom surface is used as a platform main body for bearing a steel structure workpiece for machining, so that the problem that the machining difficulty is increased due to the fact that the hoisted workpiece is easy to shake in the air is solved. A steel structure workpiece is clamped between the driving chuck and the driven chuck which are arranged on the first vertical plate and the second vertical plate, the driving part can drive the driving chuck to drive the workpiece, the workpiece drives the driven chuck to achieve overall rotation, and the rotation angle can be determined by a user according to the actual use requirement of the user.

The invention relates to the technical field of bevel gear manufacturing, in particular to a bevel gear product tooth root transition structure modeling method and a bevel gear, and the method comprises the following steps: S1, drawing an intersection point of a root cone line and a pitch cone line of the bevel gear; s2, respectively drawing involutes at the large end position and the small end position by taking the intersection point as a reference zero point of the tooth space width; s3, a first smooth curve and a second smooth curve are drawn at the large end position and the small end position respectively, and the first smooth curve and the second smooth curve coincide with the bottom end points of the corresponding involutes and are tangent to the involutes; s4, the first smooth curve and involutes on the two sides of the first smooth curve form a first structural curve, and the second smooth curve and involutes on the two sides of the second smooth curve form a second structural curve; and S5, drawing a curved surface through the first structural curve and the second structural curve. According to the method, the problem that the gear forging tooth root fillet is prone to cracking can be solved, and the service life of the straight bevel gear tooth profile hot forging die is prolonged.

The invention provides a treatment process for a check ring of a main shaft structural part of a wind driven generator, relates to the field of heat treatment processes, and aims to solve the problems of over-high hardness and deformation of the check ring with larger radial thickness after heat treatment at present by controlling the temperature change speed and the temperature duration in the heat treatment process. It is ensured that the processed workpiece can achieve the expected hardness range, control over the highest and lowest temperature difference in the heating area in the heat preservation period is beneficial to reduction of deformation caused by the temperature gradient, and the workpiece subjected to heat treatment can meet the requirements for hardness and precision.

The utility model discloses a timber processing dragsaw device with manual and automatic cutting functions, which comprises an operating platform, a dragsaw machine driving component is mounted on one side of the operating platform, and an automatic dragsaw component with a blade protection function is mounted on the dragsaw machine driving component. A manual cutting assembly with a blade protection function is further installed on the operation table, and the lower end of the manual cutting assembly is sleeved with a protection buckle shell. The automatic dragsaw assembly comprises a motor mounting frame, a dragsaw motor is mounted in the motor mounting frame, an output shaft of the dragsaw motor is connected with a dragsaw rotating rod, and a dragsaw blade is mounted on the dragsaw rotating rod; the automatic dragsaw assembly further comprises a protective pull shell, two dragsaw bearings are mounted on the protective pull shell, the dragsaw rotating rod is rotationally connected into the protective pull shell through the two dragsaw bearings, and one side of the protective pull shell is fixed to the motor mounting frame. The manual cutting assembly is additionally arranged, so that finish machining of a small amount of wood is facilitated; by adding the automatic dragsaw assembly, the automatic dragsaw machine is suitable for processing a large amount of wood, so that the processing efficiency is improved, the utilization rate and the processing flexibility of the whole equipment are improved, and the operation safety can be improved.