14582 results about "Punching" patented technology

The invention discloses a control method applied to self-piercing riveting, and relates to the technical field of self-piercing riveting control. According to the method, riveting material data are collected in real time through a multi-source data fusion interface, the high-dynamic deformation process of a riveting head is captured, deformation rate and rebound value characteristic values are extracted, and a multi-dimensional process parameter set is constructed. And comprehensively analyzing the hardness, thickness and plastic dissipation characteristics of the material, and establishing an anti-deformation capability evaluation function. By introducing the fluctuation characteristics of the punching force, the nonlinear relation between the punching force and the elastic deformation of the riveting rod is analyzed, a hybrid compensation model is constructed, and a riveting dynamic coupling compensation vector is output. And generating a compensation weight matrix through an adaptive optimization algorithm, and dynamically adjusting the stamping force and the displacement of the riveting rod in combination with an anti-saturation control strategy. And dynamically adjusting a gain parameter through multi-scale filtering and a Lyapunov stability criterion, and triggering iterative updating of a compensation weight parameter during out-of-tolerance so as to optimize a control effect. Riveting precision and stability are improved, and the service life of equipment is prolonged.

The invention discloses a large-size high-strength 2195 aluminum-lithium alloy forged ring and a preparation method thereof. The preparation method comprises the following steps: selecting a cast ingot with the size ratio of height to diameter of 3.5-4.2 as a forged ring raw material; a forging ring raw material is heated and subjected to heat preservation, upsetting and drawing-out are conducted on the forging ring raw material once in three directions on pressure equipment, double-drum rounding is conducted after each time of upsetting, four-direction pressing and eight-direction reversing are conducted after drawing-out, finally one time of axial upsetting is conducted, and punching is conducted after the last time of axial upsetting; broaching the forged ring raw material after punching, and performing radial ring rolling to obtain a ring blank; heating the ring blank, and immediately immersing the ring blank in water after heating; after solution treatment, axial cold pressing and radial cold bulging are carried out, the radial cold bulging is divided into three stages, the ring blank is rotated by a certain angle along a ring mandrel after radial cold bulging in each stage, and uniform deformation is guaranteed; the method has the advantages that anisotropy is reduced, the residual stress of the forged ring is small, and the percent of pass is high.

The invention belongs to the technical field of machining equipment feeding, and particularly relates to punch press feeding equipment with an adjusting function, which comprises a material distribution bin and a punching lathe arranged on one side of the material distribution bin, and is characterized in that an outer frame bracket is arranged at the top of the material distribution bin in a sliding manner, a material frame is arranged in the outer frame bracket, and a material guide plate is arranged in the material distribution bin in a sliding manner; a material guiding plate is arranged on the base, a discharging adjusting plate is arranged at the top of the material guiding plate, a material distributing plate is arranged at the top of the discharging adjusting plate, a supporting plate is arranged at the bottom of the material guiding plate, and a mounting block is arranged on one side of the material guiding plate. And through arrangement of structures such as a mounting block and a detection block, the diameter and length of the bar can be detected, so that the stamping quality of the bar is improved, the bar can be cooled through arrangement of a water pipe and a water tank, and workers are prevented from being burnt by generated high temperature.

The utility model discloses a round tube processing device in the field of round tube processing, which comprises an upper template and a lower template which are in butt joint with each other up and down, the upper end of the lower template is provided with a die groove which is in butt joint with a round tube, the upper end of the upper template is correspondingly provided with an upper die fixing plate, and the upper end of the upper die fixing plate is fixedly connected with a die handle. The bottom of the lower die plate is fixedly connected with a lower die gravure for supporting the lower die plate, the outer side of the lower die gravure is fixedly connected with an outer positioning plate for placing and installing a round pipe, and an arc cutting block hole and a punching column hole which are in butt joint with the die groove are formed in the upper die plate in an up-down penetrating mode. The bottom of the upper die fixing plate is fixedly connected with an arc cutting block in butt joint with the arc cutting block hole and a punching column in butt joint with the punching column hole. According to the device designed by the utility model, three actions of flattening, arc cutting and punching can be completed through one-time movement of a punching machine, so that the working efficiency is greatly improved, the condition of inaccurate precision caused by using a plurality of dies is reduced, the production cost is saved, the practical effect is obvious, and the device is worthy of being popularized and used in the existing market.

The invention discloses stamping equipment for powder metallurgy, and belongs to the field of powder metallurgy, the stamping equipment for powder metallurgy comprises a stamping machine body, the upper side of a horizontal part of the stamping machine body and the lower side of a hydraulic seat are jointly provided with a cleaning component, and the cleaning component comprises moving columns fixedly connected to the lower sides of the left and right parts of the hydraulic seat; the upper portions of the left side and the right side of the horizontal part of the punching machine body are rotationally connected with rotating cylinders correspondingly. Powder materials attached to the wide opening of the female die due to static electricity are swept through the arranged rotatable cleaning brush, and due to the fact that a gear drives the cleaning brush to rotate above the female die in the downward moving process of the hydraulic base, the cleaning brush is driven by the gear to rotate above the female die; the cleaning brush can remove residual powder materials at the wide opening of the female die, and the situation that part of powder raw materials are attached to the inlet due to static electricity is avoided, so that the situation that the powder raw materials cannot completely enter the female die in the stamping process, and the stamping quality of powder is affected is prevented.

The invention discloses an intelligent cut-log punching, inoculating and capping all-in-one machine which is characterized in that a cut-log conveying device is arranged, and a cut-log punching device, a strain inoculating device and a capping device are sequentially arranged on a conveying belt corresponding to the cut-log conveying device; clamping devices capable of clamping and rotating cut-logs are installed on the cut-log punching device, the strain inoculation device and the capping device, and a cut-log positioning assembly for limiting rotation of the cut-logs is arranged on the conveying belt, so that the cut-logs can be transferred to the strain inoculation device and the capping device in the same posture after being punched by the cut-log punching device; when in use, the clamping devices mounted on the strain inoculation device and the cover sealing device rotate at the same step angle as the clamping device mounted on the cut-log punching device, so that inoculation holes in different sides of the cut-log can be aligned with the strain inoculation device and the cover sealing device, and strain inoculation and cover sealing are completed.

The invention relates to the technical field of constructional engineering, and discloses bar planting integrated equipment and an operation method thereof.The bar planting integrated equipment comprises a bearing mechanism which comprises a machine shell, a storage groove formed in the outer side of the machine shell, telescopic supporting legs rotationally installed in an inner cavity of the storage groove and universal wheels fixedly installed at the bottom of the machine shell; the driving mechanism comprises a three-section type hydraulic telescopic column located in the center of an inner cavity of the machine shell, a ball bearing seat fixedly installed at the end of the three-section type hydraulic telescopic column and a jacking buffering assembly fixedly installed at the top of the ball bearing seat. And the integrated mechanism is used for integrated punching operation and comprises an operation support fixedly installed on the outer surface of the innermost section of the three-section type hydraulic telescopic column. An integrated platform is provided for the punching assembly, the hole cleaning assembly, the glue injection assembly and the steel bar planting assembly through the integrated mechanism, the assemblies can be reasonably distributed around operation points, operation of all steps is rapidly achieved, and therefore the operation efficiency is effectively improved.

The invention provides a combined type stainless steel slide high-strength connecting piece forming die, and relates to the technical field of slides, the combined type stainless steel slide high-strength connecting piece forming die comprises an upper die base, a lower die base and a material ejecting component, a punch is arranged on one side of the upper die base, the lower die base and the upper die base are oppositely arranged, a machining groove is formed in the top face of the lower die base, and the upper die base is provided with a punching head; the position of a plate is calibrated in an all-dimensional mode through the deviation rectifying and limiting correcting structure, the rejection rate is reduced, the production efficiency is improved, automatic deviation rectifying of the two sides and the four corners of the plate is achieved through the downward pressing action of the upper die base in the deviation rectifying process before punching, and the deviation rectifying precision is improved. The multi-stage buffering protection die component adjusts the position of the plate, the punch forming success rate and the product quality are greatly improved, after punching is finished, all-directional position calibration can be conducted on the plate before punching, the rejection rate caused by deviation of the plate is greatly reduced, and the production efficiency is improved.

The invention discloses an assembly line for a hydraulic tensioner. The assembly line is a highly automatic and integrated production system. The system is mainly composed of an annular conveying line, a plurality of assembly stations, a control cabinet and a manipulator. The annular conveying line serves as core conveying equipment and is responsible for conveying workpieces between different assembly stations, and it is guaranteed that all procedures are carried out orderly. Each assembly station is connected with the control cabinet, and accurate control over the whole assembly process is achieved through the control cabinet. The assembly line is further particularly provided with a workpiece tray feeding area for corresponding stations to use. In addition, a stop pin punching device is arranged on the pull rod assembling station, and necessary drilling operation can be carried out on the cylinder body. The pressure maintaining test station adopts a dual-detection mode, and a sensor is arranged to monitor the displacement change of the ejector rod in real time, so that accurate recording of data is ensured. On the whole, the assembly line achieves the one-stop automatic production process from raw material supply to finished product output, and the working efficiency and the product quality are greatly improved.

The invention relates to the technical field of plate punching, and discloses a plate punching device for mechanical part manufacturing, which comprises a base, the top of the base is fixedly connected with a vice, the top of the base is fixedly connected with a supporting column, the outer wall of the supporting column is slidably connected with a sliding frame, and the side wall of the sliding frame is slidably connected with a sliding table. A fixing cylinder is rotatably connected to the bottom of the sliding table, after a plate is fixed by a user, a drill bit is made to rotate through a supporting assembly and a driving assembly, the plate is drilled till a spring reset rod is pressed to make contact with the bottom of an arc-shaped telescopic sleeve, the edge of a hole is extruded by a conical scraper, burrs on the edge of the hole are scraped away, and the plate is fixed through a fixing cylinder. The drill bit and the conical scraper rotate synchronously to fit the edge of a hole and remove burrs on the edge of the hole, so that the problem that the center of the hole is difficult to align when a cutter is replaced to remove the burrs after drilling is completed is effectively prevented, and synchronous drilling and deburring is realized.

The invention discloses an aluminum-based composite material powder continuous forming press with an automatic powder feeding function, and relates to the technical field of powder type presses, the aluminum-based composite material powder continuous forming press comprises a main base, a pressing die is fixedly installed in the main base, and a stamping head driven by a stamping mechanism is further arranged on the main base; a material mixing mechanism used for mixing powder in the pressing mold is arranged in the main base, a demolding mechanism used for demolding is arranged in the pressing mold, a powder feeding mechanism and a discharging mechanism which are used for feeding powder and discharging are further arranged on the main base, the material mixing mechanism comprises a guide table, and a guide sliding block driven by a lifting driving part is slidably connected into the guide table; during use, through the linkage design of the lifting sliding seat, the connecting rod, the guide sliding blocks and the spherical hammer rods in the material mixing mechanism, the spherical hammer rods knock and mix powder in a mold, the powder fluidity is remarkably improved, it is guaranteed that the powder is evenly distributed in the mold, and the pressing quality is guaranteed.

The utility model provides carton processing equipment and a carton processing system with the same. The carton processing equipment comprises a rack; the feeding module is arranged on the rack and used for conveying paperboards; the pressing device is used for pressing an indentation on a paperboard and / or forming a notch in the paperboard; the longitudinal creasing device comprises a press-fit part, and the press-fit part can reciprocate in the width direction of the paperboard; the longitudinal cutting device comprises a longitudinal cutter, and the longitudinal cutter can reciprocate in the width direction of the paperboard; the transverse grooving device comprises a transverse grooving driving shaft and a grooving cutter, and the grooving cutter rotates along with the transverse grooving driving shaft and can reciprocate in the width direction of the paperboard; the transverse cutting device and / or the punching device are / is used for punching on the paperboard; the transverse cutting device is used for transversely cutting the paperboard in the width direction of the paperboard. According to the carton machine, the problem that the processing function of the carton machine in the prior art cannot meet the processing requirements of corrugated boards is effectively solved.

The utility model discloses a single nut fixing buckle punch forming device, and belongs to the field of spare and accessory part production equipment. The stamping and reaming die comprises an upper die base, a lower die base and a stamping and reaming assembly. A punching and trimming assembly, an edge folding and bending assembly and a tapping assembly are sequentially arranged between the upper die base and the lower die base in the advancing direction of a plate. The stamping and reaming assemblies are arranged beside the punching and trimming assembly and the edge folding and bending assembly correspondingly, and the connecting line of the centers of the stamping and reaming assemblies and the center of the tapping assembly is parallel to the center line of the plate. By means of the device, the threaded hole can be machined in the single nut fixing buckle more conveniently, the occupied area is small, and the working efficiency is high.

The utility model discloses automatic punching and receiving equipment for multi-cavity injection products, which comprises a rack, a first carrier transferring mechanism, a manipulator clamp, a runner cutting machine, a transfer carrying module, a second carrier transferring mechanism, a water gap cutting machine, a blanking carrying module and a material distribution box mechanism, wherein the first carrier transferring mechanism, the manipulator clamp, the runner cutting machine, the transfer carrying module, the second carrier transferring mechanism, the water gap cutting machine, the blanking carrying module and the material distribution box mechanism are mounted on the rack; a manipulator clamp is arranged above the input end of the first carrier transferring mechanism in a butt joint mode, a runner cutting machine is further arranged above the first carrier transferring mechanism in a butt joint mode, and the transfer carrying module carries products on the first carrier transferring mechanism after runner cutting to the second carrier transferring mechanism. A water gap cutting machine is arranged above and below the second carrying seat transferring mechanism in a butt joint mode, and a discharging carrying module and a material distribution box mechanism are arranged at the output end of the second carrying seat transferring mechanism in a butt joint mode. By means of the mode, the injection molding runner and the injection molding water gap are sequentially cut twice, hot cutting of the water gap is achieved, cutting precision and notch flatness are guaranteed, product quality is guaranteed, and products are packaged in cavities.

The present invention relates to a machining die and machining method for a part with a flanged hole. The machining die comprises an upper die holder, a lower die holder, a female die, a blank holder, a material to be subjected to machining, a heating device and a machining device, wherein the heating device is used for heating said material; and the machining device comprises, from left to right in a first direction, a pre-extrusion assembly, a punching assembly, an extrusion assembly and a blanking assembly, the pre-extrusion assembly being used for enabling said material to form a boss, the punching assembly being used for punching said material that has formed the boss, the extrusion assembly being used for enabling said material to reach a preset size, and the blanking assembly being used for stamping and blanking said material that has reached the preset size. Since the entire machining process is completed on one machining die, the operation is convenient; and under the cooperation between the heating device and the machining device, a part with a flanged hole that has a required size can be obtained.

The invention relates to the field of dies, in particular to a front oxygen sensor support stamping die structure which comprises a fixed die and a movable die, and a punching mechanism, a bending mechanism, a rim charge cutting mechanism and a discharging mechanism are sequentially arranged between the fixed die and the movable die in the conveying direction of a material belt. The punching mechanism is used for punching various holes in different shapes and positions in a material belt, the rim charge cutting mechanism is used for accurately cutting off rim charges, the bending mechanism is used for gradually bending the material belt of a plane structure into the shape of a product, and the discharging mechanism is used for conveying the machined product out of a die. The wear rate of the contact surface of the mold is reduced.

The present invention addresses the problem of providing a method and a punch for punching an amorphous metal foil with which a greater reaction force is prevented from acting on the punch in a short period of time, a great impact is prevented from being imparted to a press machine, and loud processing sound or great vibrations are prevented from being produced, during punching of an amorphous metal foil in press working.　The present invention provides a method for punching an amorphous metal foil that is punched into a prescribed shape by a press machine, the method including a step for placing the amorphous metal foil on a die, and a step for punching out, by using a punch, a portion of the amorphous metal foil placed on the die, the distal-end surface of the punch being an inclined surface that is inclined in one direction with respect to a plane orthogonal to the direction of movement of the punch. The present invention also provides a punch applied in punching of an amorphous metal foil that is punched into a prescribed shape by a press machine, the punch being configured such that the distal-end surface of the punch is an inclined surface inclined in one direction with respect to a plane orthogonal to the direction of movement of the punch.

The utility model relates to blast hole drilling equipment for tunnel construction, and relates to the technical field of tunnel blast hole drilling, the blast hole drilling equipment comprises a base, rollers are arranged at the bottom of the base, a combined sliding rail is fixedly mounted on the base, and a translation table is slidably arranged on the combined sliding rail in the width direction of the base; a lifting table is arranged on the translation table in the height direction of the base in a sliding mode, a drill floor is arranged on the lifting table in the length direction of the base in a sliding mode, and a drill bit is rotationally arranged at the end, in the length direction of the base, of the drill floor. The tunnel drilling device has the effects that different width positions of the tunnel wall face can be conveniently drilled, the operation of re-aligning a drill bit is reduced, and the drilling efficiency is improved.

The invention discloses a motor rotor core and a manufacturing method thereof, and belongs to the technical field of motor design and manufacturing. The rotor iron core comprises an iron core main body formed by laminating a plurality of punching sheets, and self-adhesive sheet end plates and arc-shaped pressing rings which are arranged at the two ends of the iron core main body. The self-adhesive sheet end plate is formed into a whole by heating, pressurizing and curing a self-adhesive sheet coated with epoxy resin or acrylic resin; the arc-shaped pressing ring is provided with a cambered surface structure, so that synchronous pressing in the axial direction and the radial direction can be achieved. And the iron core main body adopts a transposition lamination process, so that burrs of the punching sheet are uniformly distributed. Through chemical bonding of the end plates of the self-adhesive sheets, mechanical wedge-caulking of the arc-shaped pressing rings and error homogenization of transposition lamination, and through combination with the double-end tensioning screw subjected to insulation treatment, the problems that a traditional rotor iron core end punching sheet is prone to loosening, stress concentration and large eddy-current loss are caused by burrs, dynamic balance precision is poor and the like are effectively solved, and the service life of the rotor iron core end punching sheet is prolonged. And the structural rigidity, the operation stability and the motor efficiency of the rotor iron core are obviously improved.

The invention belongs to the technical field of open-pit mining of mines, and particularly discloses a quantitative evaluation method for a blasting effect, which comprehensively considers key indexes such as punching rate, inbound boulder rate, ore particle size distribution and root rate, and finally evaluates the blasting effect of a muck pile through the comprehensive score of each index, so as to realize optimization of punching blasting design and construction process, and improve the blasting effect of the muck pile. Therefore, the blasting effect is improved, comprehensive and objective evaluation of the blasting effect is achieved, limitation of single index evaluation is effectively avoided, automation of the evaluation process is achieved through assistance of the intelligent management and control platform, the efficiency of evaluation work is remarkably improved, and the influence of human factors on the evaluation result is reduced. The accuracy and the reliability of the evaluation result are ensured, a quantitative evaluation reference is provided for the quality of the blasting effect, the condition of poor blasting effect can be identified in time, and the design and the construction process of perforation blasting are optimized in time, so that the blasting effect is remarkably improved, the production cost is effectively reduced, and the production efficiency is improved.

The invention relates to the technical field of steel pipe machining, and discloses a continuous punching device for steel pipe machining and a using method thereof.The continuous punching device for steel pipe machining comprises a workbench and further comprises an L-shaped frame which is arranged at the top of the workbench in a sliding mode; the supporting and clamping assembly is arranged at the top of the workbench, and the supporting and clamping assembly is used for supporting and clamping the steel pipe; the drilling assembly is arranged on the transverse edge of the L-shaped frame, and the drilling assembly is used for drilling the steel pipe; and the hole grinding assembly is arranged on the drilling assembly, and the hole grinding assembly is used for removing burrs adhered to the drilled hole in the steel pipe. Before drilling, the drill rod can drill a small hole in the steel pipe to eliminate stress generated during subsequent drilling of the drill cylinder, the situation that the steel pipe cracks during drilling is avoided, burrs on the hole formed in the steel pipe can be ground and removed, drilling and burr cleaning are convenient and fast, and the using effect of the equipment is improved.

The invention relates to a forging method of a hollow shaft forge piece with flanges at two ends, which belongs to the technical field of forging and comprises the following steps: S1, pretreating a steel ingot; s2, upsetting and punching are conducted; s3, primary reaming is conducted, specifically, the blank obtained after upsetting and punching is heated to 1150-1250 DEG C, heat preservation is conducted for 4-8 h, and an inner hole of the heated blank is expanded; s4, primary drawing-out is conducted, specifically, the blank obtained after primary reaming is conducted is heated to 1000-1200 DEG C, heat preservation is conducted for 4-8 h, and the heated blank is drawn out till the outer diameter of the blank is equal to the outer diameter required by the process of the flange; s5, forging flanges and a concave baffle: heating the blank subjected to primary drawing to 1000-1200 DEG C, preserving heat for 4-8 hours, and then forging the flanges at the two ends and the concave baffle in the middle; and S6, drawing-chambering forging is conducted, specifically, the blank obtained after primary forging is heated to 1000-1150 DEG C, heat preservation is conducted for 3-6 h, then a middle concave baffle is drawn out to enable the outer diameter of the concave baffle to be the size required by the technology, then the inner diameter of the blank is expanded to the size required by the technology, and a finished product is obtained. The method can avoid the concave center phenomenon and improve the product quality.

The invention discloses a solid waste recycling forming machining die, and relates to the technical field of bicycle production waste reutilization, the solid waste recycling forming machining die comprises a lower die mechanism, an upper die mechanism is arranged on the lower die mechanism, a pressing mechanism is arranged on the upper die mechanism, and a male die set is arranged in the middle of the bottom wall of an upper die base; the material pressing mechanism comprises a first spring and a material pressing plate which are arranged on the upper die base, and further comprises an elastic ejector block set arranged on the material pressing plate and a guide hole site set formed in the material pressing plate in an up-down penetrating mode. The die has the advantages that the same die carries out stepped continuous punching operation, punching stress can be reduced, and the probability of deformation of the disc brake during punching is reduced; residual stress existing in the punched disc brake disc can be redistributed through attaching and pressure maintaining, and the situation that due to the fact that large holes and small holes in the disc brake disc are evenly and densely distributed in position, local deformation is generated is prevented; and the elastic ejector block group applies uniform elastic pressing force to the disc brake disc, so that the probability of deformation of the disc brake disc during rigid demolding is reduced.

The invention relates to the field of rubber sealing rings, and discloses a refrigerant-resistant HNBR sealing ring and a preparation method thereof. The refrigerant-resistant HNBR sealing ring is prepared from the following raw materials in parts by weight: 100-120 parts of HNBR, 45-55 parts of nano modified magnesium aluminum silicate, 40-50 parts of white carbon black, 10-20 parts of a plasticizer, 6-10 parts of a cross-linking agent, 5-8 parts of an active agent, 5-8 parts of a vulcanizing agent and 1-3 parts of an anti-aging agent, the preparation method comprises the following steps: mixing the raw materials, tabletting and cutting; and carrying out mold pressing vulcanization forming and punching. The preparation process is simple, and the prepared HNBR sealing ring is applied to a new energy automobile air conditioner, is suitable for a cold and heat cycle environment, has relatively good flexibility, and can keep relatively good aging resistance and sealing performance when being in contact with a refrigerant for a long time.

The invention discloses a manufacturing method for enhancing heat dissipation by electroplating a groove body and plugging a copper block for a PCB (Printed Circuit Board), which comprises the following steps of: manufacturing target holes: after a multi-layer board is formed through browning and pressing, designing alignment target holes of the multi-layer board among patterns of a board body through punching equipment; a drilling step: drilling pattern holes of the board body by using drilling equipment to form conduction among layers, and drilling four conduction holes in a copper block groove; a groove milling step: performing groove milling on the copper block groove after positioning by using the target hole through a numerical control milling machine; a copper deposition and electroplating step: performing copper deposition in the copper block groove and the via hole, and performing thick copper plating in the copper block groove and the via hole through primary copper electroplating; hole plugging: plugging a copper block into a copper block groove matched with the copper block, and plugging copper paste into a gap between the copper block groove and the copper block; and a high-temperature baking step: baking and curing the copper paste and the copper block at a high temperature. The problems that in the prior art, the heat dissipation function of a PCB cannot be maximized, and a board with the high heat dissipation requirement cannot be met are solved.

The invention discloses automatic feeding and punching equipment for injection molded parts, and relates to the field of punching equipment, the automatic feeding and punching equipment comprises a rack, a material taking mechanism, a transfer carrier, a multi-axis manipulator, a punching mold and a feeding mechanism, the material taking mechanism comprises a vibration disc assembly, a three-axis translation module and a first suction assembly, and the first suction assembly is installed on the three-axis translation module; a first suction assembly is arranged on the multi-axis manipulator, the first suction assembly adsorbs and fixes injection molding parts and arranges the injection molding parts on the transfer carrier, a second suction assembly is arranged on the multi-axis manipulator, the second suction assembly adsorbs and fixes the injection molding parts arranged on the transfer carrier, the feeding mechanism comprises a pushing assembly and a guide rail, and the guide rail extends into the punching mold. The material pushing assembly is used for pushing the injection molding part into the punching mold along the guide rail; full-automatic feeding and discharging operation is achieved, multiple products can be synchronously subjected to circulating punching treatment, batch high-speed punching separation is adapted, the product punching efficiency is remarkably improved, the consistency of the appearance and precision of finished products is improved, and complete separation of injection molding products is guaranteed.

The invention relates to automobile elastic piece machining equipment, in particular to an automobile elastic piece cutting and polishing device which comprises a machine tool, a cutting structure and a polishing structure are arranged in the machine tool, the cutting structure is used for punching and cutting an elastic piece plate-shaped blank on a metal plate, and the polishing structure is arranged at the bottom of the cutting structure. The cutting structure is used for polishing the stamped and cut elastic sheet plate type blank and comprises a stamping assembly and a feeding assembly, a stamping female die and a stamping male die in the stamping assembly are used for stamping and cutting a metal plate, and meanwhile when the feeding assembly automatically conveys the metal plate into the cutting assembly, the metal plate can be automatically cut into the cutting assembly. The stroke of conveying the metal plate each time can be matched with the width of the elastic piece plate type blank, and therefore the metal plate can be fed instead of manual work, and meanwhile the elastic piece plate type blank can be produced by fully utilizing the material of the metal plate.

The invention discloses a cut-off die for an air outlet taper pipe shell of an automobile engine exhaust system, and relates to the technical field of stamping machining of automobile parts, the cut-off die comprises a supporting unit, a connecting piece, an upper die unit, an upper die assembly arranged at the top of the connecting piece, and a stamping assembly arranged in the upper die assembly. Through the integrated operation of material conveying, punch forming, edge cutting-off and automatic discharging, the limitation that a traditional punching technology is multiple in working procedure and prone to errors is broken through, the production period is greatly shortened, the production efficiency is improved, the device can efficiently conduct batch production, the time for equipment shutdown adjustment is shortened, through cooperation of the punching assembly and the bearing assembly, the production efficiency is improved, and the production cost is reduced. And through precise control of the hydraulic cylinder, the workpiece wrinkling phenomenon is effectively avoided, and it is guaranteed that the surface of the punched conical pipe is smooth, and the size precision is high.

The invention provides a method for monitoring the state of a cold header for bolt machining. The method comprises the steps that historical mold state parameters obtained by detecting a mold of the cold header and detected production parameters are obtained; wherein the mold state parameters comprise one or more of the abrasion degree, the deformation amount, the crack condition, the smooth degree, the hardness and fatigue damage, and the production parameters comprise one or more of the bolt model, the punching force, the feeding speed, the lubricating condition and the mold temperature; inputting the punching times and / or the production duration of the cold header after detection into a prediction model corresponding to the model and the production parameters of the die to obtain the die state parameter variable quantity of the cold header; and real-time mold state parameters of the cold header are determined based on the historical mold state parameters and the mold state parameter variable quantity. According to the invention, on-line monitoring of the state of the cold header die can be realized.

The invention discloses a motor stator and rotor punching sheet machining device which comprises a machining table and a blank plate, a vertical plate is arranged on one side of the machining table, and a punching assembly, a stirring assembly and a dust removal assembly are arranged on the machining table. The shifting assembly is additionally arranged on one side of the machining table and matched with downward movement of the punching head to drive the threaded block to move, and automatic lifting movement of a blank plate matched with the punching head is achieved; the collecting box at the bottom end of the machining table is used for collecting the punched sheets and collecting chippings attached to the filter screen plate punched sheets, and unified collection of the machined punched sheets is achieved; a folding corrugated cylinder is additionally arranged in a machining table, when a stirring assembly ascends and resets along with a punching head, a connecting plate can be driven to extrude the folding corrugated cylinder, gas stored in the folding corrugated cylinder is extruded outwards, an air blowing plate blows air to punching pieces falling on a filter screen plate, and chippings attached to the punching pieces are blown away from the punching pieces and fall to the bottom end of the interior of a collecting box through the filter screen plate.