43results about How to "Play the role of precise positioning" patented technology

The invention discloses a fixture for the welding positioning of a micro-diameter thin-walled pipe of a heat exchanger. The fixture consists of three parts, i.e. a movable fixture, a partition plate and a fixed fixture, wherein the partition plate is inserted into a transverse groove of the movable fixture, and semicircular holes in the two ends are paired and coupled; the movable fixture is arranged on the section of the fixed fixture, and is fixed by upper and lower screws. According to the fixture, the micro-diameter thin-walled pipe can be accurately positioned when being assembled and welded; the shortcoming that a conventional fixture cannot meet requirements on the accurate positioning of the micro-diameter thin-walled pipe is overcome, the accurate positioning of the micro-diameter thin-walled pipe during assembling and welding is ensured, and a foundation is laid for subsequent part assembling.

The invention relates to equipment for automatically conveying metal graphite rod slices and processing graphite gaskets. The equipment comprises a supporting device, a cutting device, a conveying device, a limiting device and a gasket forming device, wherein the cutting device is connected with a supporting bottom plate; the conveying device is installed on the supporting bottom plate; the limiting device is connected with the supporting bottom plate; and the gasket forming device is installed on the limiting device. According to the equipment for automatically conveying the metal graphite rod slices and processing the graphite gaskets, the existing difficult problems that the working efficiency is low, the graphite slices need to be transported manually, accurate positioning cannot be carried out when the graphite slices are subjected to gasket machining, and only one model can be machined at one time when the graphite slices are cut into the gaskets in the gasket machining process of a graphite rod are solved; functions of automatic conveying of graphite rod slices and automatic processing of two kinds of gaskets can be achieved; and the equipment has the advantages that the working efficiency is high, the graphite slices can be automatically transported, accurate positioning can be carried out when the graphite slices are subjected to gasket machining, and the graphite slices can be machined into a plurality of models at one time when being cut into the gaskets.

A servo power cutter tower comprises a box body, a cutter head and a motor. The cutter head and the motor are located on the box body, and the cutter head is rotationally connected with the box body.A central shaft and a gear are arranged in the box body, the gear is in sleeving connection with the central shaft, the gear is rotated around the central shaft, and the gear is driven by the motor through a transmission gear and a reduction device; and a rotating gear disc, a positioning gear disc and a moving gear disc are further arranged in the box body, the moving gear disc is in sleeving connection with the gear, the rotating gear disc is in sleeving connection with the central shaft, and the positioning gear disc is in sleeving connection with the rotating gear disc. Compared with the prior art, the cutter head is driven to rotate under the effect of the rotating gear disc, therefore, a main shaft in the cutter head can correspond to different cutter installation holes in the cutterhead, the cutter replacement effect is achieved, the rotating gear disc can be engaged with the moving gear disc when cutters are not changed and after the cutter are replaced, stability of the rotating gear disc is improved, the number of teeth of the rotating gear disc is matched with that of the cutter installation holes, and using convenience of the cutter head is ensured.

The invention discloses a fully-automatic energy-saving drip molding method which is characterized by comprising the following steps: positioning, namely placing a mold on a one-cylinder four-claw system; carrying out drip molding, namely pushing the mold into a drip molding system through a telescopic cylinder; heating, namely pushing the mold into a heating system through the telescopic cylinderafter a product is formed on the mold through drip molding; cooling, namely heating the drip molded product on the mold, and pushing the mold into a cooling system through the telescopic cylinder; transferring, namely pushing the cooled mold into a transferring system 5 through the telescopic cylinder; clamping, namely transferring the mold into a clamping system; and demolding, namely pushing the mold into a demolding system through the telescopic cylinder. Through steps of positioning, drip molding, heating, cooling, transferring, clamping and demolding, a spraying molding product is moldedon one production line, fully-automatic production is achieved, and the production efficiency is improved.

The invention discloses a rapid locking positioner. The rapid locking positioned comprises a base, the base comprises a cylinder body, a buffer base plate and a baffle, wherein the buffer base plate and the baffle are arranged on the two ends of the cylinder body; a baffle through hole is formed in the center of the baffle, a convex ring is arranged on the end face, back on to the cylinder body, of the baffle, a positioning sleeve with one end penetrating the convex ring is arranged in the cylinder body, a locking head is arranged at the end, located on the outer side of the convex ring, of the positioning sleeve, the outer wall of the end of the positioning sleeve is in threaded connection with a locking nut and an anti-loosening nut, a check ring is arranged on the outer wall of the end,located in the cylinder body, of the positioning sleeve, a piston is arranged between the check ring and the buffer base plate, a spring is connected between the piston and the check ring, a conicallifting pin facing the baffle is arranged on the center of the piston, multiple through holes corresponding to the position of the conical lifting pin are formed in the positioning sleeve, and are evenly distributed in the circumferential direction of the positioning sleeve, and steel balls are arranged in the through holes. The rapid locking positioner is reasonable in structure, precise positioning is achieved while rapid locking is achieved, and the clamping time is shortened.

The invention discloses a fixed-size precise shear method of home decoration profiles. According to the fixed-size precise shear method, a conveyor belt which is arranged on a rack and conveys materials in the horizontal direction and pressing wheels arranged on the two sides of the conveyor belt are included, the material conveying direction of the conveyor belt is considered as the front, the front of the conveyor belt is provided with a workbench, the surface of the workbench is flush with the conveyor belt, the upper portion of the rear edge of the workbench is provided with a scissor plate and a hydraulic cylinder for driving the scissor plate to ascend and descend vertically, and the front side of the front edge of the workbench is provided with a material blocking plate and an air cylinder for driving the material blocking plate to ascend and descend vertically. The fixed-size precise shear method has the advantages that the method can be adapted to the profiles of different sizes, so that a machine tool can use the profiles of different sizes, and use efficiency of the machine tool is improved; the material blocking plate can achieve the function of accurate positioning, and cutting precision is guaranteed; a pressing plate is arranged so that the size can be positioned to the maximum degree.

The invention relates to the technical field of mechanical machining and manufacturing, in particular to an auxiliary tool for improving the workpiece drilling machining quality. A high-speed guiding and chip removing combined drill bush is characterized in that a guiding drill bush body and a chip removing drill bush body are included; the guiding drill bush body and the chip removing drill bush body are coaxially arranged and fixedly connected to a support, the guiding drill bush body is located on the lower portion of the chip removing drill bush body, the guiding drill bush body and the chip removing drill bush body has an interval of twenty millimeters to thirty millimeters, and a twist drill is arranged on the upper portion of the chip removing drill bush body. The high-speed guiding and chip removing combined drill bush is used for positioning and guiding a tool to perform drilling machining, aluminum chips are prevented from winding on the twist drill, the straightness of the central axis of the twist drill is remained, the shape precision of the twist drill and the drill bush is remained, the machining precision is improved, and the production continuity is remained.

The invention relates to a beam-column joint for connecting end plates of square steel tube columns of a prefabricated steel structure inner inserting plate. The beam-column joint comprises a lower column module, an upper column module and a beam module. The lower column module is formed by welding a lower column, a ribbed supporting plate, an inner inserting plate and a stiffening rib in a factory, the upper column module is formed by welding an upper column and a ribbed supporting plate in the factory, and the beam module is formed by welding an H-shaped steel beam, end plates and a stiffening rib in the factory. Holes are formed in the reserved parts of the upper column, the H-shaped steel beam, the inner inserting plate, the ribbed supporting plate and the end plates, the components are transported to the site for full bolt assembly. The ribbed supporting plate plays a role in positioning the H-shaped steel beam during assembly, and bears part of the bearing capacity of an H-shapedsteel beam end bending moment lifting node. The inner inserting plate facilitates installation of the upper column module and the lower column module, and the difficulty in hoisting is reduced. Due to the arrangement of the ribbed supporting plate and the end plates, the damaged part is moved out of the node area, and the plastic hinge is moved out. Full bolt connection is adopted, on-site welding operation is avoided, construction is convenient, operation is convenient, and assembly speed is high.

The invention discloses a beam column joint for connecting an assembling type steel structure inner inserting plate square steel pipe column clamping plate. The beam column joint comprises a lower column module, an upper column module, a beam module and a clamping plate. The lower column module is formed by welding a lower column, a rib carrier plate, an inner inserting plate and a stiffening ribin a factory. The upper column module is formed by welding an upper column and rib carrier plate in a factory. The beam module is formed by welding an H-shaped steel beam and the stiffening rib in thefactory. Holes are formed in the reserved portions of the upper column, the H-shaped steel beam, the inner inserting plate, the rib carrier plate and the clamping plate, and the upper column, the H-shaped steel beam, the inner inserting plate, the rib carrier plate and the clamping plate are transported to the site to be assembled through bolts. The rib carrier plates have a function of locatingthe H-shaped steel beam in the assembling process and bear some beam end bending moment to improve the bearing force of the joint. The inner inserting plate facilitates installing of the upper columnmodule and the lower column module, and the hoisting difficulty is reduced. By arranging the rib carrier plates and the clamping plate, the damaged portion is moved to the outside of the joint, and outward moving of plastic hinges is achieved. Full-bolt connection is adopted, no welding operation is carried out on the site, construction is facilitated, operation is convenient, the assembling speedis high, and the quality is ensured easily.

The invention discloses a processing device for stably shearing profiles with fixed dimensions, which comprises a conveyer belt arranged on a frame to convey materials in a horizontal direction and pressing wheels arranged on both sides of the conveyer belt. The direction in which the conveyer belt conveys materials is There is a workbench in front of the conveyor belt. The surface of the workbench is flush with the conveyor belt. The upper part of the rear edge of the workbench is equipped with a scissors plate and a hydraulic cylinder that drives the scissors plate vertically. It is located on the front side of the front edge of the workbench. A material baffle plate and a cylinder for driving the material baffle plate to vertically lift are provided. The beneficial effect of the invention is that it can be adapted to profiles of different sizes, so that the machine tool can use profiles of different sizes, and the use efficiency of the machine tool is improved. The setting of the baffle plate can play the role of precise positioning and ensure the cutting accuracy; the setting of the pressing plate can position the size to the greatest extent.

The invention discloses a sensor, a manufacturing method thereof and electronic equipment. The sensor comprises a substrate, wherein a bonding pad and a first conductive structure are arranged in thesubstrate, the bonding pad and the first conductive structure are insulated and disconnected from each other, the surface of the bonding pad and the surface of the first conductive structure are partially exposed, and a heat conduction limiting groove electrically communicated with the bonding pad is further formed in one surface of the substrate; an integrated circuit chip which is arranged in the heat conduction limiting groove and is electrically conducted with the first conductive structure through a connecting wire; and a shielding structure, wherein the shielding structure wraps the integrated circuit chip. According to the technical scheme, interference of external electromagnetism on the chip can be shielded, and meanwhile the heat dissipation effect of the chip is improved.

The invention discloses a hydraulic clamp achieving rapid clamping and locating. The hydraulic clamp achieving rapid clamping and locating comprises a base. First installation seats, second installation seats and a third installation seat are arranged on the base. The upper end of each first installation seat is provided with lever cylinders. The side wall of each first installation seat is provided with first stop blocks, a first linear push cylinder and a second linear push cylinder. Each first linear push cylinder and the corresponding second linear push cylinder are orthogonally arranged. Each second installation seat is provided with a second stop block. The third installation seat is provided with a third stop block. The hydraulic clamp achieves rapid clamping and accurate locating, lightens work intensity and improves machining efficiency; and clamped workpieces do not deform in the machining process, and a machining center can conduct displacement and rotation operations on the clamped workpieces beneficially.

The invention discloses a precise and rapid shear process of a building profile. According to the precise and rapid shear process, a conveying belt which is arranged on a rack and conveys materials in the horizontal direction and pressing wheels arranged on the two sides of the conveying belt are included, the material conveying direction of the conveying belt serves the front direction, the front of the conveying belt is provided with a workbench, the surface of the workbench is flush with the conveying belt, the upper portion of the rear edge of the workbench is provided with a scissor plate and a hydraulic cylinder for driving the scissor plate to ascend and descend vertically, and a pressing plate for pressing the profile and an air cylinder for driving the pressing plate to ascend and descend vertically are arranged in front of the scissor plate. The precise and rapid shear process has the advantages that profiles of different sizes can be adapted to, a machine tool can be applicable to the profiles of different sizes, and use efficiency of the machine tool is improved; the pressing plate is arranged so that a precise positioning function can be achieved, and cutting precision is guaranteed.

The invention relates to the field of elevator production, in particular to an elevator brake pad machining device and a machining method of the elevator brake pad. The machining method comprises thesteps of 1, clamping the elevator brake pad on a table vice with the top surface of the elevator brake pad facing upward, and clamping the two short side surfaces; 2, milling the top surface and two long side surfaces of the elevator brake pad by using a first numerical control machine tool; 3, milling two positioning pin holes of the elevator brake pad by using a first numerical control machine tool by taking the long side surfaces as a machining reference; 4, placing the elevator brake pad on a tooling fixture with the bottom surface of the elevator brake pad facing upward, positioning by using a positioning pin shaft, and pressing two thin wings of the elevator brake pad; 5, milling the bottom surface of the elevator brake pad by using a second numerical control machine tool by taking the top surface of the elevator brake pad as a machining reference; and 6, pressing a pressing block on the bottom surface of the elevator brake pad. The machining device and the machining method are used for mass production of elevator brake pads.

The invention discloses a welding positioning device which comprises a backing plate, clamping plates, a working table, an installing plate, positioning blocks, a welding plate and positioning grooves. The installing plate is located at the top of the working table, the positioning blocks are located on the periphery of the installing plate and connected with the installing plate in a welding mode, the welding plate is located at the upper ends of the positioning blocks and connected with the positioning blocks in a sliding mode, and the positioning grooves are located on the edges of the top of the welding plate and are in a rectangular shape. According to the welding positioning device, the backing plate is firstly arranged on the upper portion of the installing plate, the fine positioning function can be achieved through the positioning blocks on the periphery, then the welding plate is arranged, the clamping plates are lastly arranged in the positioning grooves in the welding plate to achieve quick positioning, and then welding can be directly conducted. The welding steps are simplified, and the welding efficiency and quality of the clamping plates can be greatly improved.