222results about How to "Good processing consistency" patented technology

The invention discloses a light spot real-time monitoring and feedback focusing system and method for laser processing. The system comprises a laser processing module, an emission light source module, a power monitoring module, a light spot monitoring module and an automatic control module. The emitting light source module is used for emitting laser beams; the power monitoring module is used for monitoring the laser power emitted by the emitting light source module; the light spot monitoring module is used for monitoring light spots of diffuse reflection light after the laser is emitted to the surface of the workpiece; the automatic control module sets reference signals of the following parameters: processing laser power and shape, position and size of a processing light spot; and according to the reference signal and the corresponding feedback signal, the laser emission parameter and the laser incident workpiece surface parameter are automatically adjusted, so that the error between the reference signal and the corresponding feedback signal is within a set precision range. According to the method, the light spot form and the light intensity in the machining process are dynamically monitored, and the light spot form and the energy in the laser machining process are adjusted in real time through feedback.

The invention relates to the technical field of sheet processing, and discloses an edge rolling welding machine which comprises a base, a feeding mechanism, a rolling mechanism, a rounding mechanism, a material moving mechanism, a plate end positioning mechanism, a welding seam positioning mechanism, an embracing mechanism, an edge pressing mechanism and a welding mechanism. According to the edge rolling welding machine, the actions such as automatic feeding, edge rolling, transferring, positioning, welding seam determining, seam aligning and welding of sheets are achieved, manual intervention is not needed in the whole process, the edge rolling and welding quality is guaranteed, the automation degree of equipment is improved, and the machining efficiency and the forming consistency are remarkably improved.

The invention relates to the technical field of automobile metal part drilling machining, in particular to an automobile steering knuckle drilling pre-machining machine tool. The automobile steering knuckle machining equipment comprises an installation machine base, a drilling device, a tool clamp and a control system, the drilling device and the tool clamp are installed on the installation machine base and are important components of the equipment, and preprocessing of an automobile steering knuckle is achieved; the control system comprises a hydraulic system, a pneumatic control system, a cutting fluid circulating system, a lubricating system, a chip removal system and an electric control system. The drilling device, the tool clamp, the material pressing device, the control device and other functional components are efficiently matched, the efficiency of automobile steering knuckle drilling pre-machining is remarkably improved, through precise movement of the drilling device, stable fixation of the tool clamp and the material pressing device and continuous lubrication of the lubricating device, high precision of the machining process is guaranteed, and the machining efficiency is improved. The problems of workpiece machining defects, equipment overheating and the like are reduced, and potential safety hazards are reduced.

The invention discloses a micron-sized lens array machining device and method based on a micro-forming tool, and relates to the technical field of micron-sized lens array machining, the micron-sized lens array machining device comprises an ultra-precision machine tool with a Y axis, a lifting tool rest and an arc tool, a vacuum chuck on the Y axis of the ultra-precision machine tool is used for installing a workpiece, and the lifting tool rest is used for installing the arc tool; the lifting tool rest can drive the arc tool to ascend and descend in the Y direction and enable the arc tool to machine the surface of a workpiece to form a micro-lens unit, and the ultra-precision machine tool can drive the workpiece to move in the X direction, the Y direction and the Z direction relative to the arc tool and enable the arc tool to machine the surface of the workpiece to form a micro-lens array. And the radius of a cutting edge of the arc cutter is equal to the curvature radius of the micro-lens unit. According to the invention, high-quality and high-uniformity micron-sized lens array processing can be realized.

The invention provides a control method and device of a drilling and tapping machine and electronic equipment, and relates to the field of data processing. The method comprises the steps that temperature data and deformation data which are sent by a nano-film sensor and aim at a processing object are obtained, and the nano-film sensor is located in a processing area corresponding to the processing object; according to the temperature data and the deformation data, a temperature distribution diagram of the machining area is determined; based on the temperature distribution diagram, surrounding type cooling equipment of the drilling and tapping machine is controlled to cool the machined object in real time; determining a first thread image of a thread corresponding to the processing object according to the deformation data; acquiring a second thread image which is sent by image acquisition equipment of the drilling and tapping machine and aims at a thread corresponding to the processing object; and based on the first thread image and the second thread image, adopting a preset support vector machine model to generate a quality result of a thread corresponding to the processing object. According to the technical scheme, quality detection can be conveniently conducted on the threads machined by the drilling and tapping machine.

The utility model belongs to the technical field of drilling and riveting machines, and discloses an upper actuator of an automatic drilling and riveting machine. The device comprises an AC swing head unit, the AC swing head unit comprises a C-axis driving motor, the driving end of the C-axis driving motor is connected with a cross beam, the two ends of the cross beam are provided with an A-axis driven end and an A-axis driving end respectively, and a multi-station sliding seat unit is connected between the A-axis driven end and the A-axis driving end; the multi-station sliding seat unit comprises a frame, a sliding seat is slidably connected to the interior of the frame, a drilling spindle mechanism, a gluing mechanism, a riveting mechanism, a target capturing camera, a milling mechanism and a pin inserting mechanism are linearly and sequentially arranged in the sliding seat, and a pressure foot unit is further fixedly connected to the outer side of the frame. The device can control each machining mechanism to move, is high in efficiency and accurate in moving position, has the capability of monitoring the working condition of each station in real time, and can effectively prevent machine collision in the machining process.

The invention discloses an aluminum oxide and aluminum nitride composite electrostatic chuck which comprises a metal base, an aluminum oxide ceramic structural part, an aluminum nitride ceramic dielectric layer, a heating layer and an adsorption electrode layer. The aluminum oxide ceramic structural member is coated outside the metal base, and the aluminum nitride ceramic dielectric layer comprises a first dielectric layer, a second dielectric layer and a third dielectric layer. The aluminum oxide ceramic structural member is coated outside the metal base, and the aluminum oxide ceramic structural member has the characteristics of high temperature resistance, corrosion resistance and wear resistance, so that the corrosion of plasmas to the metal base can be effectively shielded, and meanwhile, particulate pollutants are not generated to pollute a wafer; according to the composite electrostatic chuck, the aluminum nitride ceramic dielectric layer is arranged, and the aluminum nitride ceramic dielectric layer has excellent heat-conducting property and temperature uniformity, so that the composite electrostatic chuck can effectively control the temperature in the semiconductor processing process, the temperature uniformity of the surface of a wafer is ensured, the processing consistency is good, and the processing precision and the product quality are improved.

The utility model relates to a lock tongue drilling device which comprises a rack, a lead screw driving mechanism, a working bottom plate, a feeding guide rail, a material receiving air cylinder, a material receiving sliding block, a feeding air cylinder, a material pushing block, a discharging air cylinder, a push rod, a positioning block, a drilling device and a material pressing air cylinder. The positioning block is provided with a workpiece groove used for positioning the spring bolt, the rear side of the workpiece groove is provided with a through hole used for the push rod to stretch in, the front side of the workpiece groove is provided with an opening used for the spring bolt to enter, and the right side of the working bottom plate is provided with a product outlet. According to the device, the full-automatic process from automatic receiving of the spring bolt to drilling machining to output of a finished product is achieved, manual operation links are greatly reduced, the labor cost is reduced, meanwhile, the working bottom plate is driven to move front and back through the lead screw driving mechanism, multiple hole positions on the side face of the spring bolt can be drilled at a time, and the machining efficiency is improved. And the processing efficiency of the spring bolt is greatly improved.

An integrated cleaning and liquid supply device and online cleaning method for polyurethane polishing pads are disclosed. The device includes a base, a rotating seat, a swing arm, an independent liquid supply pipeline system and cleaning pipeline, a high-pressure nozzle array, and a positioning sensor assembly. During the polishing stage, polishing liquid is dripped through the liquid supply outlet. During the cleaning stage, the swing arm moves centripetally to a preset position aligned with the center of the polishing pad. The positioning sensor triggers a high-pressure pump, causing pure water to be sprayed as an atomized jet along the diameter of the pad surface through the high-pressure nozzle array. Simultaneously, the polishing pad rotates at a low speed, utilizing the synergistic effect of centrifugal force and high-pressure water flow to thoroughly remove residual contaminants within the micropores of the polyurethane. This invention integrates liquid supply and deep cleaning functions into the same motion mechanism, eliminating the need for machine shutdown or manual intervention. It offers advantages such as non-contact, non-destructive, thorough cleaning, and high automation, extending the life of the polishing pad and improving the stability of the CMP process.

The invention belongs to the technical field of robots, and discloses a decoupling control method and system for a two-degree-of-freedom vibration suppressor of a robot, and the method comprises the steps: analyzing the structural characteristics of a robot system, and designing a decoupling control strategy through a structural invariance principle; coupled vibration of force applied in the X direction in the Y direction and coupled vibration of force applied in the Y direction in the X direction are effectively eliminated. Compared with a traditional vibration control method, the multi-degree-of-freedom vibration suppression method has the advantages that the influence of a pose related mode and a coupling mode of the robot is fully considered, multi-degree-of-freedom vibration suppression can be efficiently realized in real time in a complex load and dynamic environment, and the adaptability and the control precision are relatively high. The technology has wide application prospects in the fields of robot precision machining, assembling, carrying and the like, and the stability, precision and working efficiency of a robot system can be remarkably improved.

The invention relates to the technical field of gear machining equipment, and particularly discloses a tooth surface treatment device and method for planetary gear machining. The tooth surface treatment device comprises a base, a quenching structure, a ring fixing assembly, a driving assembly and a wheel limiting structure; the base is rectangular, the quenching structure is fixedly arranged on the upper portion of the middle of the base, and the ring fixing assembly is fixedly arranged on the quenching structure. The device has high flexibility and adaptability, can adapt to gears and gear rings of various specifications, and can evenly heat circumferential teeth, so that the hardness and abrasion resistance of tooth surfaces are improved, and the service life of the device is prolonged. Meanwhile, the quality and the performance of the gear are ensured; the planetary gear set can be integrally machined at the same time, the machining efficiency, consistency and combinability can be improved, meshing between tooth surfaces can be promoted through rotating transmission, burrs can be removed, the surface quality of gears can be improved, and noise can be reduced; the overall modular processing mode provides more choices and flexibility.

The invention discloses a multifunctional machine tool for gear end face finish machining, and relates to the technical field of gear machining, the multifunctional machine tool comprises a grinding assembly arranged on a rotating frame and used for machining the gear end face, a chamfering assembly used for chamfering a gear inner hole, and a reference block arranged on an operation table, the grinding assembly is provided with an end face contact piece corresponding to the reference block, when the grinding assembly is fed in the axial direction, the end face contact piece can make contact with the reference block, the chamfering assembly is installed on a lifting plate, and the lifting plate is further provided with a reference follower used for limiting axial operation of the chamfering assembly. The gear end face finish machining and inner hole chamfering device has the advantages that the end face grinding assembly and the chamfering assembly are arranged on the same rotating frame, the reference block serves as a unified axial reference datum, gear end face finish machining and inner hole chamfering machining can be continuously completed in the one-time clamping state, and the datum consistency between the two working procedures is effectively guaranteed.

The invention relates to the technical field of intelligent control, in particular to a part notch machining control method and system and a medium, and the method comprises the steps: obtaining a historical image of a part and notch machining parameters for machining the part; extracting image features of the historical image, taking the image features of the historical image and the corresponding notch processing parameters as training samples, performing feature learning on the training samples by using a deep learning model, and establishing a mapping model between the notch processing parameters and the image features; a part image obtained in the current machining process is obtained, notch machining parameter prediction is conducted on the part image according to the mapping model, and the notch machining parameters are obtained; the machining path is optimized through the notch machining parameters obtained through prediction, the optimized machining path is obtained, and the part notch is machined according to the optimized machining path; on the premise that the machining quality is guaranteed, the machining time is effectively shortened.

The utility model relates to the technical field of urea spraying, in particular to a double-rotational-flow valve body for a urea nozzle and the urea nozzle, the double-rotational-flow valve body comprises a body, the body is provided with a first end face and a second end face which are opposite to each other, an inlet groove is formed in the first end face, an outlet groove is formed in the second end face, and the inlet groove is communicated with the outlet groove. The body is provided with a double-rotational-flow runner communicated with the inlet groove and the outlet groove; the double-swirl flow channel comprises an inlet flow channel, an outlet flow channel and a connecting flow channel, the inlet flow channel is arranged on the first end face and communicated with the inlet groove, the outlet flow channel is arranged on the second end face and communicated with the outlet groove, and the connecting flow channel is arranged in the body and connected with the inlet flow channel and the outlet flow channel. According to the double-rotational-flow valve body, the rotational flow strength of the urea nozzle can be improved, the spraying effect is improved, the double-rotational-flow valve body can have high machining consistency, and the reliability of the urea nozzle is improved.

The invention provides a connector six-point extrusion device, which belongs to the technical field of connector processing equipment, and specifically comprises a base, an annular seat, a central placement seat and a driving assembly, the annular base is installed on the base, six sliding blocks which are evenly distributed at intervals in the circumferential direction are arranged on the annular base, the sliding blocks are installed on the annular base in the mode that the sliding blocks slide in the direction of the annular base, extrusion heads are installed on the sliding blocks, and the center containing base is located in the center of the annular base. The center placing seat is provided with a positioning assembly for positioning a connector, the driving assembly is installed on the base, and the driving assembly is used for driving the multiple sliding blocks to synchronously slide in the direction of the annular seat so as to drive the extrusion head to be close to or away from the center of the annular seat. According to the processing scheme, the six-point extruding efficiency and the processing quality of the connector are improved.

The invention discloses an automatic chip recycling device, an automatic chip recycling method and automatic chip recycling and packaging equipment. The automatic chip recycling device comprises a feeding conveying unit, a chip conveying unit and a packaging unit, the groove milling unit is arranged on the output side of the conveying part, and the groove milling unit comprises a first moving part, a first fixed part located in the moving direction of the first moving part and a groove milling part located on the side, away from the first moving part, of the first cover plate; the separating unit is arranged on the output side of the groove milling unit and comprises a second moving part, a second fixing part located in the moving direction of the second moving part and an ejection part, and the ejection part is used for stretching into the second open hole to drive the chip to move in the direction away from the card body of the to-be-recycled card, so that the chip is separated from the card body of the to-be-recycled card; a chip pickup unit; and the chip placing unit is used for placing the recycled chips. Full-automatic recovery of the chips in the to-be-recovered cards is realized, the productivity is high, and the quality is guaranteed.

The application provides a lower electrode feed-in device and a semiconductor processing equipment, the device comprises a radio frequency feed-in assembly, one end of the radio frequency feed-in assembly is used for electrically connecting with a radio frequency source, and the other end is used for electrically connecting with a chuck assembly; the radio frequency feed-in assembly comprises at least two radio frequency feed-in pipes and at least one radio frequency adapter pipe; wherein, each two adjacent radio frequency feed-in pipes are provided with a first matching part, the radio frequency adapter pipe is provided with two second matching parts, and the two second matching parts are matched with the first matching parts of the two adjacent radio frequency feed-in pipes respectively, so that the radio frequency adapter pipe is detachably connected with the two adjacent radio frequency feed-in pipes and electrically connected. The scheme can not only more conveniently disassemble and assemble the radio frequency feed-in pipe, but also better ensure the assembly consistency of each machine, and can select a solid-state medium, so that the problem that the solid-state medium is not easy to disassemble and assemble does not exist, thereby the occupied space of the lower electrode feed-in device can be reduced, so that more space can be used for optimizing other lower electrode components.

A miniature flat tube rotary cutter comprises a machine table, a feeding assembly, a rotating assembly, a clamping assembly, a cutter, a pressing assembly, a first moving seat, a second moving seat, a first driving part, a second driving part and a mounting seat. The feeding assembly, the rotating assembly, the clamping assembly, the mounting base and the pressing assembly are installed on the machine table, the feeding assembly is used for conveying the miniature flat pipe, the rotating assembly is used for clamping and rotating the miniature flat pipe, the clamping assembly is used for clamping the miniature flat pipe, the cutter is used for cutting the miniature flat pipe, and the pressing assembly is used for breaking the miniature flat pipe; the first moving seat is mounted on the mounting seat in a left-right moving manner, the second moving seat is mounted on the first moving seat in an up-down moving manner, and a cutter is mounted on the second moving seat. According to the content, the mini-type flat pipe rotary cutter is provided, and the problems that in the prior art, cutting equipment usually adopts a single-face cutting mode, so that the phenomena that the cutting face is inclined, and a notch is uneven are likely to happen to the cutting face are solved.

This invention belongs to the field of grinding disc manufacturing technology, specifically relating to a diamond positioning and implanted grinding disc and its manufacturing method. The grinding disc substrate undergoes a series of processes including degreasing and activation treatments, followed by basic nickel plating to form a base nickel plating layer. Then, using photolithography, a photosensitive dry film pattern with pre-drilled micro-holes is created on the surface of the nickel plating layer. Adhesive is then applied to fill the micro-holes, and diamond abrasive grains are implanted, ensuring the sharp corners remain upwards for initial fixation. Finally, the photosensitive dry film is removed, and a thicker nickel plating reinforcement treatment is performed, ensuring the diamond abrasive grains are firmly encapsulated by the nickel plating layer. This method utilizes photolithography to achieve precise positioning and uniform distribution of the diamond abrasive grains on the substrate surface, and through process control, maintains the abrasive grains in a favorable cutting posture with their sharp corners upwards, significantly enhancing the grain holding strength and effectively preventing loosening, collapse, or detachment. The resulting grinding disc exhibits superior cutting efficiency and stability.

The present invention discloses an optimized integration method for high stress edge effect of analog BiCMOS process and a high linearity dual polycrystalline capacitor, the steps of which include: 1) depositing a polycrystalline film layer of a polycrystalline capacitor lower plate of P1 angstrom above a field oxide layer on the surface of an N-type well, and completing N-type photolithography implantation doping; 2) depositing a first dielectric layer of a dual polycrystalline capacitor of d1 angstrom, and completing the production of a protective film layer at the edge of the lower electrode of the dual polycrystalline capacitor by an exposure and etching process; 3) depositing a polycrystalline capacitor dielectric composite film layer of d2 angstroms, and completing the production of a capacitor dielectric layer structure by an exposure and etching process; the high linearity dual polycrystalline capacitor includes a substrate, an N-type buried layer, a P-type buried layer, an epitaxial layer, an N-type well, a self-aligned P-type well, etc. The present invention significantly improves the edge effect of the dual polycrystalline capacitor by integrating a high stress edge effect optimization technical solution of a high linearity dual polycrystalline capacitor in an analog integrated circuit.

This invention relates to the field of tapping equipment technology, specifically a multi-axis synchronous tapping device for clutch stamping parts. It includes a tooling base on which an assembly is mounted. By installing a distance adjustment component on the upper mounting base and slidably connecting a third tapping gear to this component, the radial position of the third tapping gear and the tap can be flexibly adjusted, thereby changing the tapping distribution circle diameter. This allows the device to quickly adapt to clutch stamping parts with different hole specifications, significantly reducing changeover costs. Simultaneously, it employs a full gear transmission layout where one first tapping gear simultaneously meshes with multiple second tapping gears, and each second tapping gear then meshes with a third tapping gear. The transmission chain is short and all parts are rigidly synchronized, completely eliminating vibration problems caused by unequal speeds and expansion / contraction clearances in universal joint transmissions, effectively ensuring the machining accuracy of the threads.

The invention relates to the field of hook-and-loop fastener welding, in particular to hook-and-loop fastener machining equipment and a machining process thereof.The equipment comprises a welding head, a belt piece feeding assembly, a procedure rotary disc and a discharging assembly, multi-station material matching is achieved through a ring piece feeding assembly and a sleeve piece feeding assembly, and the procedure rotary disc is provided with a rotatable bearing base used for bearing belt materials; and the adjusting assembly integrates a suite feeding function and has the characteristic of cooperative control over strip positioning and strip folding so as to be matched with the bearing seat, and the strip feeding assembly, the ring piece feeding assembly and the suite feeding assembly are arranged in a surrounding mode with the procedure rotating disc as the center to work cooperatively; full-automatic integrated operation of retaining ring positioning, belt material conveying, belt material bending welding and edge covering sleeve nesting welding is achieved, the manual assembly link is eliminated, the two ends of the hook-and-loop fastener belt material can be machined in one-time machining, a hook-and-loop fastener product can be formed through one-time machining, and the process continuity is improved.

This invention relates to the field of pole production and manufacturing execution management, and discloses an intelligent pole production execution management system based on the Internet of Things (IoT). The system includes a data acquisition unit, an edge processing unit, a cloud management platform, an intelligent analysis unit, and a human-machine interaction unit. The system collects data on raw material ratios, mold status, curing temperature, humidity, and other detection data through sensors. The edge processing unit identifies anomalies in real time and performs rapid adjustments. The cloud management platform generates a digital twin of the pole and combines it with an algorithm model to adaptively adjust curing temperature, minimize energy consumption, predict lifespan, predict production capacity, and assess mold lifespan. The human-machine interaction unit presents process information to operators through an augmented reality terminal and supports two-way feedback. This system enables real-time monitoring and closed-loop optimization of the entire pole production process, reducing energy consumption, improving consistency, extending service life, and significantly enhancing the intelligence and reliability of the production process.

The invention provides an IGBT (Insulated Gate Bipolar Translator) device and a manufacturing method thereof, the IGBT device comprises an N-type semiconductor layer and a plurality of grooves located in the N-type semiconductor layer, gate electrodes are arranged in the grooves, and the gate electrodes are insulated and isolated from the N-type semiconductor layer through gate dielectric layers; the P-type body region is located between the adjacent grooves, and an N-type emitter region is arranged in the P-type body region; the N-type carrier storage layer is positioned below the P-type body region and is positioned between the adjacent grooves; the bottom of each groove is provided with a P-type protection layer, and the P-type protection layer is located below the N-type carrier storage layer and surrounds the bottom of the groove. The IGBT device adopts the shallow trench, so that the on-state voltage drop can be reduced, and the process yield can be improved; the bottom of the groove is surrounded by the P-type protection layer, so that local charge balance can be formed, and voltage resistance is improved.

The application provides a copper-aluminum dissimilar metal resistance brazing method for a wind power generator, comprising the following steps: S1, temperature field regulation of partition resistance heating: a partition resistance heating mode of double-electrode independent power supply is adopted, current is respectively input to the copper side and the aluminum side for independent control, and the brazing interface temperature is controlled in the range of 580-620 DEG C; S2, interface diffusion control of nano nickel barrier layer: a nano-crystalline nickel barrier layer is prepared in advance on the surface of the copper matrix to be connected; S3, wetting and filling of zinc-based composite filler material: zinc-based composite filler material is used for brazing; S4, pressure-assisted brazing seam densification: axial pressure in the range of 0.5-2 MPa is applied during brazing; S5, atmosphere protection and surface activation: the brazing process is carried out under the condition of inert protective atmosphere. Through the cooperation of partition heating and nano nickel barrier layer, the strength of the copper-aluminum brazed joint is improved to more than 80% of the base material, and the contact resistance is reduced to 3 mu omega cm 2 The energy consumption of the single piece is reduced by 80%, and the qualified rate reaches more than 95%.

The utility model relates to detection device technical field, and disclose a kind of tapered roller diameter detection device, including detection platform, the upper end middle place of detection platform is provided with circular table, the upper end fixedly connected with fixed frame of circular table, the left and right ends middle place of fixed frame is evenly provided with lifting groove one, the inside sliding installation of lifting groove one has pressing plate, the outside sliding installation of pressing plate has two groups of measuring block, the upper end middle place of circular table is fixedly installed with inner taper hole seat, the left and right ends of fixed frame are evenly provided with lifting groove two at the downside of lifting groove one, the inside sliding installation of lifting groove two has measuring plate. The device can ensure that tapered roller keeps in the middle and perpendicular state during measurement, so as to eliminate the error caused by measuring point skew, and also can measure the diameter data of multiple cross sections of tapered roller, to provide more comprehensive detection results, improve processing quality.

The invention provides a PTFE-based polymer electrothermal composite material and a solvent-free preparation method thereof. Relates to the technical field of electric heating materials, and the PTFE-based polymer electric heating composite material comprises a PTFE-based electric heating layer, strip-shaped electrodes at the two ends of the PTFE-based electric heating layer, and insulating waterproof layers on the outer sides of the PTFE-based electric heating layer and the strip-shaped electrodes; the strip-shaped electrodes are adhered to the two ends of the surface of the PTFE-based electric heating layer by using conductive slurry, and the PTFE-based electric heating layer comprises a PTFE structural phase, a flexible binder and a conductive phase filler. The PTFE-based polymer electrothermal composite material has the advantages of compact structure, few defects, stable resistance, high product processing consistency and good thermal stability and mechanical property. The solvent-free preparation method can effectively avoid the problems of environmental unfriendliness, harm to human bodies and the like caused by organic solvents.

The invention discloses continuous stamping equipment for stamping an aluminum plate. The continuous stamping equipment comprises a workbench, double positioning mechanisms which are symmetrically arranged, a middle displacement mechanism and a plurality of sets of die assemblies. The positioning mechanism bears two stamping aluminum plates through the placing plate, the position changing mechanism is driven by a hydraulic cylinder, the placing plate can be switched between an inverted splayed shape and a linear shape, and therefore the posture of a workpiece is automatically adjusted to adapt to different stamping procedures. A sliding female die is arranged in the positioning pipe on each side and is matched with an independent punch to finish two-pass punching; the position of the female die is accurately adjusted by a thin cylinder to ensure punching alignment. The supporting frame and the positioning pin provide double limiting, the attitude sensor achieves closed-loop control, and the guide column and the guide sleeve guarantee movement precision. The equipment can synchronously complete two punching procedures of two workpieces in one-time clamping, the production efficiency, the forming consistency and the automation degree are greatly improved, and the equipment is suitable for an automatic punching production line.

The invention discloses a chamfering device for nut machining, and relates to the technical field of nut machining equipment. The device comprises a base, a supporting table, a supporting frame, a clamping assembly and a chamfering tool bit assembly, the base is provided with the supporting table and a collecting drawer, the supporting table is matched with a transverse clamping plate assembly through a two-way screw and a sliding block, the supporting frame is provided with a longitudinal clamping assembly, and three-dimensional clamping is formed; the two ends of the base are connected with a lifting plate through a lifting mechanism, a chamfering tool bit is driven by a double-screw and servo motor to achieve multi-dimensional adjustment on the lifting plate, and a rotating motor drives the tool bit to machine. The clamping face is provided with a rubber anti-skid pad, a pressure sensor and a controller to integrally control the whole process. A three-dimensional clamping structure is adopted, clamping is stable, adaptability is wide, a tool bit can be accurately adjusted in multiple dimensions, the automation degree is high, the nut chamfering precision and production efficiency can be effectively improved, meanwhile, a waste collecting drawer and pressure sensing protection are arranged, the machining environment and product quality are optimized, and the nut chamfering machine is suitable for batch machining of nuts of various specifications.

The utility model relates to the technical field of aluminum veneer machining, and discloses a polishing device for aluminum veneer production and machining, which comprises a workbench, supporting legs are fixedly connected to four corners of the bottom of the workbench, a first motor is fixedly connected to the right side of the workbench, a first sliding groove is formed in the workbench, and a second motor is fixedly connected to the right side of the workbench. The output end of the first motor is fixedly connected with a first threaded rod, the first threaded rod is rotatably connected to the interior of the first sliding groove, the exterior of the first threaded rod is in threaded connection with a first sliding block, the first sliding block is slidably connected to the interior of the first sliding groove, and the top of the first sliding block is fixedly connected with a mounting frame. According to the aluminum veneer polishing device, the second motor is matched with the bidirectional threaded rod, so that an aluminum veneer is clamped and fixed on the mounting frame, the polishing stability and consistency are ensured, and through the arrangement of the third motor and the fourth motor, the position of the polishing disc can be accurately controlled, and the machining precision and consistency are improved.