19results about How to "High shape accuracy" patented technology

This invention belongs to the field of precision machining technology, and discloses a structured contact wheel belt grinding device and control method with flow pressure regulation. It has the function of grinding structured surfaces of various sizes with the same structure, including a support structure and a structured surface grinding actuator. The support structure includes a base plate, ribs, a motor fixing component, and an electric actuator support. The structured surface grinding actuator includes a drive motor, a motor connecting shaft, a drive wheel, a sanding belt, a tension wheel, a tension wheel bracket, a tension wheel bracket fixing component, a guide wheel assembly, a guide wheel assembly bracket, an electric actuator, a force sensor mounting flange, a force sensor, a contact wheel frame fixing component, a contact wheel frame, a structured contact wheel, a ring clamp, hydraulic oil lines, and an electro-hydraulic servo valve. This invention is mainly used for structured surface belt grinding. It adjusts the hydraulic system loading parameters according to the real-time changes in grinding force during the grinding process to control the internal flow pressure of the structured contact wheel, thereby meeting the stable processing requirements of structured surfaces of different sizes.

The present application relates to quenching technical field, especially a kind of continuous high-frequency quenching device.Its technical scheme includes: double-channel cooling cover, it is composed of two cover bodies that are distributed and fixed in support, cover body is opened with several tooth top grooves along the advancing direction of drill rod, several tooth top grooves are distributed in spiral, the helix angle of tooth top groove and the helix angle of drill rod threaded portion are consistent, movable arc-shaped baffle is arranged in tooth top groove, the distance between adjacent tooth top grooves and the pitch of drill rod threaded portion are consistent.The present application separates the threaded portion of drill rod into tooth top and tooth bottom in the way of cooling, thereby reducing the deformation of the whole thread, improving the dimensional accuracy and shape accuracy of thread, and the organization transformation of tooth top and tooth bottom is more uniform, reducing the generation of internal residual stress, the reduction of residual stress can effectively improve the fatigue life of thread, under the same working conditions, the fatigue life of drill rod thread cooled by the present device can be improved compared with traditional way.

The utility model belongs to hole processing technical field especially relates to a punch tool for hole processing, including the female die bottom plate, the female die bottom plate top is provided with female die fixed plate, female die fixed plate bottom and female die bottom plate top interconnect, female die fixed plate top is provided with the punch fixed plate. This punch tool for hole processing has realized the guiding effect through the guide pillar and punch guide plate, has guaranteed the cooperation accuracy of the punching punch and female die, has effectively improved the size accuracy and shape accuracy of hole processing, can satisfy the production demand of high-precision product, through the design of pressing material assembly utilizes the elasticity of pressing spring and makes the pressing block firmly press the work piece in the stamping process, prevents work piece displacement, ensures the quality stability of hole processing, reduces the risk of punch damage simultaneously, reduces production cost, and can quickly and conveniently dismouting punch punch, and then can better process.

The utility model provides a kind of robot and shoe processing system for shoe shaping, it is related to shoe processing technical field.The robot includes rotary drive component, vision system and two manipulators, rotary drive component transmission connection has mounting seat, and the rotation axis of rotary drive component is consistent with vertical;Two manipulators are located in the two sides opposite of mounting seat;Vision system includes three cameras, one of which is provided in mounting seat, and the other two cameras are one-to-one corresponding provided in the end region of two manipulators.The shoe processing system includes the above-mentioned robot, shoe press, controller and shoe rack for placing shoe tree, robot is arranged between shoe press and shoe rack, and the manipulator and vision system of robot are all connected to controller.The robot identifies the model and orientation of shoe tree, and the orientation accuracy of the manipulator clamping shoe tree, adjusting its orientation and placing it in the orientation accuracy of shoe press processing station is higher, so as to improve the shaping processing accuracy of shoes.

The invention provides a dual-motor anti-backlash heavy-load numerical control rotary table, and belongs to the field of numerical control machine tools, the dual-motor anti-backlash heavy-load numerical control rotary table comprises a main base body, a base protection top block is fixedly connected to the top surface of the main base body through a horizontal bolt, and a working platform is horizontally arranged on the top surface of the base protection top block. The rotary table can accurately rotate and position according to a preset angle, and a high-precision machining reference is provided for a workpiece, so that the size precision and the shape precision of a machined part are remarkably improved, and the requirement for high-precision machining is met. For example, in the machining process of aerospace parts, the rotary table can ensure that the machining precision reaches the micron level for machining of some holes, contours and other characteristics with extremely high precision requirements, the quality and performance of the parts are effectively improved, overall workpiece machining can be more accurate and efficient, and the machining efficiency is improved. And multiple directions can be expanded to meet the machining requirement, the bearing capacity is greatly improved, and the range of the types of machined workpieces is further widened.

The utility model relates to the field of automobile part machining, in particular to an automobile part rolling machining device. Comprising a base and a workpiece, the base is detachably connected with a plurality of mounting plates, the mounting plates are rotationally connected with a first roller set, a second roller set and a third roller set, the first roller set, the second roller set and the third roller set are matched with the workpiece, and the first roller set is used for pre-bending the two sides of the workpiece; the second roller set and the third roller set are used for further bending the workpiece, the mounting plate is rotationally connected with a first forming roller and a second forming roller, the first forming roller and the second forming roller are used for pre-bending the middle of the workpiece, the mounting plate is rotationally connected with a side pressing roller set, and the side pressing roller set is used for extruding the two sides of the workpiece. By the adoption of the bending device, a workpiece can be accurately bent step by step, and the size precision and the shape precision of a product are improved.

The invention discloses a C-shaped sealing ring composite soft die bulging device and method.The C-shaped sealing ring composite soft die bulging device comprises a first die assembly and a second die assembly, the first die assembly comprises two first die bases, two first dies and a first elastic column, and the second die assembly comprises two second die bases, two second dies, a muddy material and a second elastic column. The C-shaped sealing ring is formed in two steps, the first die assembly expands the blank into a preformed part through the first elastic column, and the second die assembly expands the preformed part into a finished product through the mud-like material and the second elastic column. According to the C-shaped sealing ring composite soft die bulging device and method, on one hand, the sealing requirement for the bulging device is reduced, so that the structure of the bulging device is simplified, the cost of the bulging device is reduced, on the other hand, due to two-time forming, the forming quality of the C-shaped sealing ring is improved, loss of the first elastic column and the second elastic column is reduced, and the bulging efficiency is improved. And the cost is further reduced.

This application relates to the field of wire harness installation technology, and proposes a wire harness frame, a wire harness, and a vehicle. The wire harness frame is used to house the wire harness inside its covering. The wire harness frame has multiple mounting slots for mounting wires, the extension direction of which is consistent with the direction of the wires, and the opening of the mounting slots faces away from the centerline of the wire harness frame. In use, the wires are placed in the mounting slots of the wire harness frame, and the wire harness frame supports the wires, improving the shape and positional accuracy during wire harness assembly. Because the wire harness frame is located inside the wire harness's covering, its volume and weight are relatively small, and it does not need to be fixed to the vehicle body, which is beneficial for wire harness assembly.

The invention discloses a die machining broaching device and broaching method, and belongs to the technical field of die machining. The die machining broaching device comprises a workbench, a first notch is formed in the side face of the workbench, a broaching drill is fixedly installed in a drill chuck, an overturning and adjusting assembly is arranged in the first notch, and a bottom removing assembly is arranged at the bottom of the first notch; an auxiliary discharging assembly is arranged between the bottom removing assembly and the overturning and adjusting assembly, and a clamping and pressing assembly is arranged at the bottom end of the mounting plate; the die plate can be turned over through the turning and adjusting assembly, and bidirectional reaming machining is carried out; cold air flow is evenly and finely blown out to the single side face after reaming through the bottom removing assembly, so that chippings are efficiently removed, meanwhile, cooling and heat dissipation are conducted on the die plate in the reaming process, after reaming machining of the die plate is completed, the arranged overturning and adjusting assembly rotates to a certain angle, an opening is made to be inclined downwards, and therefore the die plate is prevented from being damaged. And part of air flow in the bottom removing assembly is converted into one end blowing the mold plate through the auxiliary discharging assembly, so that the mold plate is rapidly taken out.

The application provides a deep silicon etching method and a semiconductor process equipment, and relates to the technical field of semiconductors. The deep silicon etching method comprises a circulation step, and the circulation step comprises an etching step for etching a silicon substrate to form a groove, a removal step for removing by-products, and an oxidation step for forming a protective layer on the sidewall of the groove. The process gas used in the removal step comprises fluorocarbon gas and oxygen-containing gas, and the fluorocarbon ratio of the fluorocarbon gas is less than 1 / 2. The lower electrode power of the removal step is greater than 0 and less than 50 W. Through the cooperation of the process gas and the lower electrode power in the removal step, the process gas can effectively remove the by-products on the top, sidewall and inner wall of the groove of the mask layer during the etching process of the removal step, and the over-etching of the silicon sidewall in the head region of the isolation groove is effectively reduced, so that the morphology precision of the isolation groove and the active region is improved, and the product yield is improved.

Provided is an elastic core mold assembly driven by servo cylinders, which comprises a core mold fixing seat and an elastic core mold that are fixed and connected in a modular concentric manner; a plurality of micro servo cylinders are uniformly distributed and fixed on the lower conical surface I of the core mold fixing seat; the plurality of servo cylinders perform synchronous adjustment actions; and the servo cylinders perform the end abutting action on the lower conical surface II of the elastic core mold to deform the mouth edge of the elastic core mold to realize core mold reshaping. The utility model realizes the fast, high-precision, online dynamic reshaping adjustment of the elastic core mold without waves, has a compact structure, is economical and practical, and is suitable for promotion.

A notch-cutting device includes a mounting frame, a cutter, and a drive unit. The mounting frame includes a support base and a material holder disposed on the support base. The cutter includes a first end, a middle section, and a second end, with the middle section located between the first and second ends and rotatably connected to the support base. The drive unit is connected to the first end and drives the cutter to rotate, causing the second end to cut the workpiece on the material holder, thereby forming a notch on the workpiece. In this application, the notch-cutting device mainly consists of a mounting frame, a cutter, and a drive unit, with a simple overall structure. Compared to complex traditional machining equipment, it has fewer parts and a relatively simple manufacturing process, thus reducing the manufacturing cost of the equipment. Because the drive unit can quickly drive the cutter to rotate and complete the cutting action, the entire processing can be completed in a short time, greatly shortening the processing time of a single workpiece, meeting the needs of large-scale production, and improving the production capacity of enterprises.

The utility model provides an accurate positioning device for an efficient automatic pipe bender, which relates to the technical field of pipe processing devices and comprises a U-shaped plate and a fixing seat, the fixing seat is rotatably mounted in the middle of the U-shaped plate, a hydraulic cylinder is fixedly mounted in the middle of the fixing seat, a support is fixedly mounted at the upper end of the fixing seat, and the hydraulic cylinder is fixedly mounted on the support. A center shaft is fixedly installed at the upper end of the support, a conical insertion rod is slidably inserted into the middle of the center shaft, the output end of the hydraulic cylinder penetrates through the middle of the support and is fixedly connected with the bottom of the conical insertion rod, and a plurality of slope sliding grooves are evenly formed in the periphery of the middle of the center shaft and communicate with the conical groove. And a plurality of sliding rods are uniformly clamped in the middle of the inclined surface sliding groove in a sliding manner. The pipe bending positioning device solves the problems that when a traditional pipe bending positioning device fixes a pipe in an external clamping mode, the pipe is prone to shaking, indentations, scratches and other damage can be generated on the surface of the pipe, and the quality of the pipe is affected.

This utility model relates to the field of tooling and provides an auxiliary processing device for edge beams. The auxiliary processing device includes a processing platform with a positioning groove formed along its length; a tooling module with a positioning key adapted to the positioning groove; and a clamping assembly disposed on the processing platform, which clamps the edge beam to the tooling module when it is installed. This auxiliary processing device allows the tooling module to be accurately installed on the processing platform, ensuring the positional accuracy of the edge beam. The clamping assembly firmly presses the edge beam onto the tooling module, preventing displacement and shaking during processing, thus making the processing more stable. Different tooling modules can be used to adapt to the processing requirements of edge beams of different shapes and sizes. By simply designing the corresponding tooling module according to the specific specifications of the edge beam, the processing of different edge beams can be easily achieved.

The present invention aims to provide a reflective photomask blank and a reflective photomask with high resistance to hydrogen radicals and minimized projection effect to improve transfer performance. The reflective photomask blank (10) according to the present embodiment includes a substrate (1), a reflective portion (7), and a low reflective portion (8). The low reflective portion (8) is composed of an absorption layer (4) and a topmost layer (5). The absorption layer (4) contains one or more selected from a first material group in a total of 50 atomic percent or more. The topmost layer (5) contains at least one or more selected from a second material group in a total of 80 atomic percent or more. The first material group is indium, tin, tellurium, cobalt, nickel, platinum, silver, copper, zinc, and bismuth, and oxides, nitrides, and oxynitrides thereof. The second material group is tantalum, aluminum, ruthenium, molybdenum, zirconium, titanium, zinc, and vanadium, and oxides, nitrides, oxynitrides, and indium oxide thereof.

This application discloses a port conformal fitting, which includes at least a first fixed plate, a first base support, and multiple first telescopic mechanisms. The first fixed plate is spaced within the port, the first base support is connected to the first fixed plate, the fixed end of each first telescopic mechanism is connected to the first base support, and the telescopic end of each first telescopic mechanism is telescopically supported on the inner wall of the port. Because the telescopic end of each first telescopic mechanism is telescopically supported on the inner wall of the port, the shape of the inner wall of the port can be restored to a regular state under the support of the first telescopic mechanism, improving the shape accuracy of the port. Since multiple first telescopic mechanisms can be provided, they can support different positions of the inner wall of the port, thus simultaneously adjusting the shape accuracy of different positions of the inner wall of the port. This improves the efficiency of port shape and size adjustment for cylindrical structures while also improving the uniformity and accuracy of the port shape and size adjustment.

The invention relates to a combined mold, comprising: a metal mold, the metal mold comprising an upper part and a lower part which can be opened and closed, and the upper part and the lower part are provided with wax injection cavities which are communicated with each other; and the precoated sand mold is of a special-shaped structure, is arranged in the wax injection cavity and is connected with the metal mold, and a cavity formed between the precoated sand mold and the metal mold is a forming cavity of the wax mold. The wax mold is manufactured by injecting wax into the forming cavity, when the wax mold is used for manufacturing the workpiece, the wax mold and the precoated sand mold in the wax mold are buried and solidified together, then the wax mold is melted and poured, and finally the sand mold and the precoated sand mold are removed together, so that the metal workpiece can be obtained, the manufacturing process of the metal workpiece is simplified, and the production efficiency is improved. The metal workpiece is provided with an inner cavity matched with the sand mold of the precoated sand in shape and an outline matched with the wax injection cavity of the metal mold in shape. According to the combined mold, the precoated sand mold is stable in structure and not prone to shrinkage deformation, and the manufactured wax mold is high in precision and high in mold stripping quality.

The application discloses a cylindrical and conical roller bearing outer ring raceway electrolytic superfinishing machine, which comprises a machining platform, a workpiece rotating and clamping mechanism, a machine stand column, a moving platform, a machining interval and angle adjusting mechanism and an electrolytic superfinishing system; the workpiece rotating and clamping mechanism is installed on the machining platform and is used for clamping and rotating the bearing outer ring and passing direct-current power positive poles to the bearing outer ring through a conductive slip ring; the tool cathode of the electrolytic superfinishing system is used for electrochemically dissolving the surface of the bearing outer ring raceway to form a convex profile, and a sand belt wheel is rotated to remove the passivation film generated in electrolysis; the machining interval and angle adjusting mechanism is installed on the moving platform and moves synchronously with the moving platform, is used for adjusting the machining interval and machining angle, and is suitable for machining bearings with different sizes and different angles.

The invention belongs to the technical field of precision printing, and relates to a full-opening steel plate with a coating and a preparation method and application thereof.The full-opening steel plate comprises a full-opening steel plate base body, the front face, the back face and the inner wall of an opening of the full-opening steel plate base body are each provided with a hydrophobic and oleophobic coating, or hydrophobic and oleophobic coatings are arranged on the inner wall of the opening of the full-opening steel plate base body. Hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of an opening of the full-opening steel plate base body, and a friction increasing coating is arranged on the back face of the full-opening steel plate base body, or the hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of the opening of the full-opening steel plate base body, and no coating is arranged on the back face of the full-opening steel plate base body. The hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of the opening of the full-opening steel plate base body, and the hydrophobic and oleophobic coating and the friction increasing coating are selectively arranged on the back face of the full-opening steel plate base body or not arranged, so that the combination of the hydrophobic and oleophobic function and the friction increasing function can be achieved; the defects that when an existing steel plate is used, slurry is not thoroughly separated, the shaping effect is poor, and ink feeding is not full are overcome, the binding force of the coating and the steel plate base body is high, and the service life of the steel plate is long.