52results about How to "Large processing space" patented technology

The invention provides a large-scale numerical control gear machining machine tool which has six numerical control coordinate axes, namely X, Y, Z, A, C1 and C2 and adopts a two plus four layout manner. A workpiece has two freedom motion, namely linear motion along the X axis and rotational motion around the C1 axis; and a tool has four freedom motion, namely linear motion along the X axis and the Z axis and rotational motion around the A axis and the C2 axis. The large-scale numerical control gear machining machine tool adopts a six-axis (X, Y, Z, A, CI and C2 axis) five-linkage (X, Y, Z, A and C2 axis linkage) structure; the five numerical control coordinate axes, namely the X, Y, Z, A and C2 axes carry out interpolation motion; and the indexing movement of the workpiece is controlled by the C1 axis to process all tooth surfaces. The rotational axis of the workpiece, namely the C1 axis only finishes the indexing movement and does not participate in the interpolation motion formed bythe tooth surfaces so as to improve the processing precision and the processing efficiency of a large-scale gear. The large-scale numerical control gear machining machine tool can be constructed intoa gear miller or a gear grinder, thereby realizing the curved surface machining of a cylindrical gear, a bevel gear, an impeller and others with the indexing features.

The invention discloses a rotation surface precision machining clamp with adjustable off-axis quantity. A guide groove on a V-shaped block can slide along a guide rail on a clamp bottom plate, a T-shaped sliding block is movably connected with a T-shaped groove on the clamp bottom plate, a locating pin is detachably connected in the T-shaped sliding block, a cylindrical workpiece is detachably connected with the T-shaped sliding block through the locating pin so that the location of the cylindrical workpiece on the clamp bottom plate is realized, and the fixing of the V-shaped sliding block and the clamp bottom plate can be realized in a way that the V-shaped sliding block is in threaded connection with corresponding threaded holes in equidistant threaded hole arrays at two sides of the clamp bottom plate. The rotation surface precision machining clamp provided by the invention is suitable for cylindrical workpieces in different sizes, different shapes and different off-axis quantities, the processing problem of a workpiece in larger off-axis quantity can be solved, the universality is better, the processing space is expanded, multiple workpieces can be clamped at the same time, and the processing efficiency is increased.

The invention relates to a three-dimensional multishaft ganged digital control engraving and milling machine, which is particularly suitable for performing cutting and engraving and milling processing on large nonmetallic products. The three-dimensional multishaft ganged digital control engraving and milling machine comprises a stand, a body, a work table, a working beam, a Z axial body, a Z axial body support and a digital control unit which is used for controlling the operation of a machine tool, wherein the working beam is connected with the body through a Y axial guide rail and driven by a drive unit to move along a Y axis; the Z axial body support is connected with the working beam through a Z axial guide rail and driven by a drive unit to drive the Z axial body to move along an X axis; the Z axial body is connected with the Z axial support through the Z axial guide rail and driven by a drive unit to move along a Z axis; the body is set to have a frame structure; a Y axial guide rail is arranged on two longitudinal beams of the body respectively; the working beam and a longitudinal beam of the stand form guide rail connection through a beam support; an A axis is arranged on the Z axial body and can perform horizontal and circumferential rotation when being driven by a drive unit; and a C axis is arranged on the A axis and can perform perpendicular and circumferential rotation when being driven by a drive unit. The three-dimensional multishaft ganged digital control engraving and milling machine can implement engraving and milling processing on three-dimensional five axes of the large products when the digital control unit controls various drive units, and the processing level of the machine tool is higher.

The invention discloses a process technique for processing spline tooth profiles through replacing involutes with circular arcs, which belongs to the process field of machining. The process technique is implemented by making a calculation program for replacing involutes with circular arcs which are made by an Excel of a computer, so that the results produced by replacing involutes with circular arcs can be displayed immediately just by modifying the basic parameters of spline tooth profiles. According to the invention, spline tooth profiles are processed through replacing involutes with circular arcs, so that the processing of tooth profiles is realized by using a linear cutting machine under the condition that no device such as broaching machines, slotting machines, gear-hobbing machines, and the like is used, the processing capacity is improved, the processing space is expanded, and the processing error of the process technique is just a few thousandths of an millimeter, therefore, the matching and exchanging with traditional processing tooth profiles can be realized, and the processing precision of the process technique can completely meet the application requirements.

The invention relates to an air plasma waste gas treatment device. The air plasma waste gas treatment device comprises a high-voltage alternating-current power supply, a housing, two first dielectric slabs installed on the housing and a grounding electrode arranged in the housing, wherein a waste gas inlet and a waste gas outlet are respectively formed in two ends of the housing, a high-voltage electrode is installed on each first dielectric slab and comprises a conductive tube and a capillary tube with one end extending into the conductive tube, an air inlet is formed in at least one end of the conductive tube, the conductive tube is connected with the high-voltage end of the high-voltage alternating-current power supply, the grounding electrode is connected with the grounding end of the high-voltage alternating-current power supply, and the other end of the capillary tube is communicated with the housing. The invention further relates to an air plasma waste gas treatment method. The air plasma waste gas treatment device and method have the advantages of efficient decomposition and low treatment power consumption, and a new thought is provided for industrial waste gas treatment.

The invention relates to a device for treating automobile exhaust with an air plasma. The device comprises a high-voltage direct-current power supply and two insulating plates, wherein the two insulating plates are disposed oppositely; one insulating plate is provided with at least one exhaust inlet; the other insulating plate is provided with at least one exhaust outlet; a grounding electrode and a plurality of conductive tubes are disposed between the two insulating plates; the grounding electrode is connected with a grounding end of the high-voltage direct-current power supply; the plurality of conductive tubes are connected with a high-voltage end of the high-voltage direct-current power supply; the plurality of conductive tubes are annularly distributed; and each conductive tube is provided with a plurality of steel needles along the length direction. The invention also relates to a method for treating the automobile exhaust with the air plasma. According to the device and the method, a large treatment space can be obtained, the device can be rapidly mounted on an exhaust pipe of an automobile, the automobile exhaust is treated conveniently at any time in any place, the vehicle-mounted effect can be realized, the automobile exhaust is efficiently decomposed and the treatment energy consumption is low.

The invention provides a three-dimensional engraving machine, and belongs to the technical field of an engraving machine. The three-dimensional engraving machine solves the problem of poor stability of a three-dimensional engraving machine in the engraving process in the prior art. The three-dimensional engraving machine comprises a machine frame and a movable engraving platform arranged on the machine frame, wherein a straight strip-shaped cutter frame used for fixing a cutter is arranged above the engraving platform, the machine frame comprises two upright posts, the two upright posts are respectively and vertically arranged at the two sides of the engraving platform, guide rails in vertical arrangement are respectively arranged on each upright post, a support plate capable of vertically moving along the guide rail is arranged on each corresponding guide rail, the two ends of the cutter frame are respectively connected onto the corresponding support plates, and ascending and descending motors driving the support plates to synchronously and vertically move are also arranged on the machine frame. The three-dimensional engraving machine has the advantages that the operation is stable, and the processing precision is high.

The invention particularly discloses a mechanism for changing the conduction direction of ultrasonic wave, which comprises an amplitude-change pole and a rocker arm, wherein one end of the rocker arm is contacted with the head of the amplitude-change pole, the other end which is opposite to the end of the rocker arm is perpendicular to a workpiece to be machined, and the inclined angle between the centre line of the other end of the rocker arm and the centre line of the amplitude-change pole is more than 0 degree. The mechanism has the beneficial effects that the ultrasonic wave direction of the original ultrasonic wave device which is perpendicular to the workpiece to be machined is converted by the device through the rocker arm, so that the ultrasonic wave device can be in parallel with the workpiece to be machined, and the distance among the machining device, equipment and the workpiece can be reduced. The machining space can be enlarged, the machining range can be increased, the surface roughness can be reduced, and the surface hardness of the workpiece can be enhanced.

The invention provides a one-way ratchet wrench, and belongs to the technical field of wrenches. The wrench solves the problem that an existing wrench is low in assembling efficiency. The one-way ratchet wrench comprises a wrench body, a ratchet wheel, a tooth block, a spring, an ejection block and a pressing plate, a containing hole is formed in the head of the wrench body, the ratchet wheel is arranged in the containing hole, a containing groove communicating with the containing hole is formed in the upper surface or the lower surface of the head of the wrench body, and the tooth block and the ejection block are arranged at the two ends of the containing groove correspondingly; and the pressing plate is arranged in the containing groove and located above the ejection block and the pressing plate, the pressing plate is located on the wrench body, the pressing plate and the ejection block are integrally formed, the spring is arranged between the ejection block and the tooth block, andthe tooth block is meshed with the ratchet wheel and can be separated from the ratchet wheel. The structure obviously improves the assembly efficiency of the one-way ratchet wrench.

The invention discloses a high-flexibility machining system and method based on the milling-milling combined machining principle. The high-flexibility machining system based on the milling-milling combined machining principle comprises a supporting feeding mechanism, a control mechanism, an auxiliary machining mechanism and a power head mechanism. The supporting feeding mechanism adopts an industrial robot. A power head is installed at the tail end of a mechanical arm through an adapter plate. The auxiliary machining mechanism comprises an indexable workbench. A workpiece to be machined is placed on the indexable workbench. The industrial robot, the indexable workbench and the power head mechanism are in signal connection with a numerical control module in the control mechanism. Multiple end mills are fixed to a cutter head of the power head and evenly distributed in the circumferential direction. Each end mill rotates around the axis of the cutter head and also rotates around own axisat the same time. The rotation directions of every two adjacent planetary end mills are opposite. The high-flexibility machining system and method based on the milling-milling combined machining principle have the advantages that the cutting force is small, the cutting temperature is low, cutting vibration is small, the wear of cutters is little, the service lives of the cutters are long, and themachining efficiency is high.

The invention discloses a seafood large meatball product and a preparation method thereof. The seafood large meatball product comprises a ball-shaped middle body, and the outer side of the middle bodyis sequentially wrapped with flour, batter and croutons. The product comprises the following components in parts by weight: 49-51 parts of the middle body, 3.9-4.1 parts of the flour, 45-47 parts ofthe batter and 49-51 parts of the croutons. The middle body is prepared from 50-52 parts of fish surimi, 1.7-1.9 parts of salt, 0.20-0.22 part of TG enzyme, 11.5-11.7 parts of seasonings, 6.6-6.8 parts of starch, 15-17 parts of ice water and 12-14 parts of diced vegetables. The invention provides the seafood large meatball product. The fish surimi is used as a main raw material, the delicious seasonings and the diced vegetables are used as auxiliary materials to prepare the middle body, the outer side of the middle body is wrapped with the croutons, after cooking, the product is good in color,fragrance, taste and nutrition, the inner layer is smooth and elastic, and the product is fragrant in fish flavor, fresh, tender, good in mouth feel, convenient to process and high in operability, and expands the processing space of marine products.

The invention provides a fixture for machining an engine cylinder end surface and a crankshaft hole. The fixture comprises a pull rod module, a pressing plate module and a support frame module; the pull rod module includes a base, an upper support rod, a lower support rod and a positioning mechanism; the pressing plate module is a rectangular block body; a special-shaped hole and a pressing point are arranged on the pressing plate module; and the support frame module includes a support base, a support column and a support body. The fixture has the following technical effects: after the fixture is used, the problems of low clamping efficiency and large occupied space can be solved, so that the machining of a whole engine cylinder can be finished by using two machining centers.

The invention discloses a synchronous positioning and press-fitting device for a multi-station rear axle bearing. The synchronous positioning and press-fitting device for the multi-station rear axle bearing comprises a working table and a rear axle mold, wherein the rear axle mold comprises a plurality of bearing seats; bearings to be pressed are arranged in the bearing seats; pressurizing oil cylinders are arranged at least one side of two side surfaces in the axial direction of each bearing seat; each pressurizing oil cylinder comprises an oil cylinder shell and a pressurizing piston rod; apressurizing block is arranged at one outward end of each pressurizing piston rod; a positioning assembly is arranged under each bearing seat; a feeding and blanking mechanism is arranged on the upperside surface of the working table, and comprises a power mechanism; and a positioning mold capable of supporting the rear axle mold is arranged above the power mechanism. The synchronous positioningand press-fitting device for the multi-station rear axle bearing provided by the invention has the advantages that the rear axle mold is convenient and safe to feed and blank; the bearing is pressed in a horizontal plane, so that the processing space is large, no repetitive positioning is needed, the positioning times is less, and the pressing-fit efficiency is high; and the feeding and blanking mechanism can be used for pre-positioning the rear axle mold, so that the bearing can be processed and positioned conveniently and can be quickly pressed.