596results about How to "Guarantee processing quality" patented technology

The invention discloses a chemical adding control system for sewage treatment, which comprises a data acquisition module used for acquiring sewage inlet water quality data and inlet water flow, water quality data of each sewage treatment process and discharge water quality data in real time; the data acquisition module is used for acquiring dosing data and detection data; the data preprocessing module is used for assigning the partial water quality data Em based on a preset judgment threshold value; the dosing prediction module is used for inputting the real-time data into the self-attention dosing prediction model and outputting to obtain a next dosing strategy; the self-attention dosing prediction model corrects the attention score matrix based on the chemical reaction relation matrix E; and the dosing control module is used for dosing according to the output dosing strategy. The method can adapt to sewage component and concentration changes, and the dosing strategy of each process of sewage treatment is accurately predicted and obtained.

The present invention belongs to the technical field of triangular needle production and processing, and discloses a triangular needle electric discharge machining rotary indexing device, including a fixed seat, a fixed shaft connected to the upper end of the fixed seat, a rotary table and a rotary motor driving the rotary table to rotate along the central axis of the fixed shaft, the fixed shaft passes through the rotary table and is connected to a fixed plate, and at least two needle body clamping mechanisms distributed in a circle are provided on the rotary table. The needle clamping device of the present invention is horizontally rotatably connected to the rotary table, and as the rotary table rotates, the indexing gear connected to the needle clamping device meshes with the fixed fan gear, driving the needle clamping device to accurately rotate 120°, thereby completing the rotary indexing work, and batch indexing can be achieved each time, effectively improving production efficiency.

The invention relates to the technical field of control systems, and discloses a self-adaptive control system and method for a five-axis numerical control machine tool, machining data and a machining program are controlled through a simulation interaction module, and the state and the machining data of the machine tool are displayed in real time through an interaction display strategy; the sensing monitoring module obtains machining data in the machining process in real time and transmits the machining data to the path judgment module and the simulation interaction module through a data transmission strategy. The path judgment module judges the machining path of the five-axis numerical control machine tool according to the machining data through a path generation strategy, so that the machining efficiency and quality are improved; the motion control module generates a motion control instruction of the five-axis numerical control machine tool according to the machining program and the machining path of the five-axis numerical control machine tool through an instruction generation strategy, accurately drives the five-axis numerical control machine tool to move, and ensures the machining precision; the safety monitoring module monitors the state of the machine tool in real time, and if the five-axis numerical control machine tool is abnormal, an abnormity processing strategy is executed.

The invention discloses a cutting device and a cutting method. The cutting device comprises a cutter, an energy supply assembly and a liquid guide assembly. The cutter is used for cutting a workpiece to be machined, and the cutter is made of a light-transmitting material. The energy supply assembly is configured to be capable of emitting laser, the laser penetrates through the tool and irradiates a machining part at the cutting position of the tool, the liquid guide assembly is suitable for providing reaction liquid for the machining part, and the reaction liquid is configured to be used for reacting with the machining part under irradiation of the laser so that materials of the machining part can be modified. And therefore, the difficulty in machining of the material at the machining part is improved, and the cutter can remove the material at the machining part of the to-be-machined workpiece conveniently. Under the dual effects of an energy field provided by the energy supply assembly and physical and chemical reactions of the reaction liquid, the material property of the processing part is rapidly and accurately changed, and on the premise of ensuring the processing quality, the controllability of material modification is realized, and the modification efficiency of the material is improved.

The utility model provides a lathe following type cooling device, and belongs to the technical field of machining equipment. The cooling device solves the problem that an existing cooling device cannot completely cool tools on a rotary tool rest and the like. According to the following type cooling device for the lathe, the lathe comprises a rotatable tool base, four tools are arranged on the peripheral face of the tool base, the cooling device comprises a liquid conveying pipe and a spraying base fixed to the tool base, a rotary cavity coaxial with the tool base is formed in the spraying base, and outlet parts in one-to-one correspondence with the tools are arranged on the spraying base. At least one spraying pipe is installed on each outlet part, a valve element is inserted in the rotary cavity, the upper end of the valve element is connected with the liquid conveying pipe, and when the tool base rotates to enable any tool to be used for turning, the valve element can enable the liquid conveying pipe to be communicated with the spraying pipe on the outlet part corresponding to the tool. And the four cutters can be cooled when the cutter base rotates and is switched for cutting, so that the use performance and the service life of the four cutters can be ensured.

The invention discloses a circuit board X-shaped hole processing control method, system and device and a medium. The method comprises the following steps: acquiring a first image of a first surface blind hole after a preset depth h'is processed for the Nth time; acquiring first hole offset data according to the first image; according to the first hole offset data, first hole machining correction parameters are obtained so as to guide machining of the first face blind hole; acquiring a second image of the blind hole in the second surface after the preset depth h'is processed for the Nth time; acquiring second hole offset data according to the second image; according to the second hole offset data, second hole machining correction parameters are obtained so as to guide machining of a second face blind hole; the X-shaped hole detection method and device have the advantages that the hole machining quality can be effectively controlled, and the detection accuracy is high.

The utility model relates to a cold-formed thin-walled steel fabricated structural system, and belongs to the technical field of structural engineering. Comprising combined joints, module main beams, module columns and module secondary beams. Column sleeves are arranged at the upper end and the lower end of the combined joint, a center joint is arranged between the column sleeves, horizontal partition plates are welded between the column sleeves and the center joint, a vertical end plate is welded to each side of the outer surface of the center joint, materials such as concrete can be poured into columns, and the bearing capacity and integrity of the combined joint are improved. The connecting sleeve has the beneficial effects and advantages that the connecting sleeve is small in size, light in weight and convenient to transport and hoist, the machining time is greatly shortened, the machining quality is guaranteed, modular design, factory production and specialized installation are integrally achieved through standardized modular production of components and the connecting sleeve, field assembly is simple and efficient, and the production efficiency is improved. The purposes of reducing labor, shortening the construction period and saving cost are achieved, and industrialization development of the fabricated building is promoted.

The invention discloses a multifunctional automatic tooth socket locking device which comprises a working machine table, and the working machine table is provided with a feeding unit, a feeding station, a wire twisting unit, a detection unit and a discharging unit, and the feeding station, the wire twisting unit, the detection unit and the discharging unit are sequentially arranged around the feeding unit; through the feeding unit, and the wire twisting unit, the detection unit and the discharging unit which are arranged around the feeding unit, the machining process of feeding, assembling, detecting and discharging of product thread sleeve machining can be achieved; the machining effects of automatic material taking, assembling and tail punching of thread sleeve machining are achieved through the twisting unit of a three-axis driving structure; efficient automation is achieved in the machining process, and the machining efficiency and the machining quality can be effectively guaranteed; the secondary detection effect after the thread sleeve is machined can be achieved through the detection unit, and the high-precision machining effect of thread sleeve machining can be ensured; and the assembling equipment can adapt to assembling work of various types of products and various sizes of threaded sleeves, and has the advantages of being high in machining adaptability and wide in machining range.

The present invention discloses a wire twisting machine for cable processing and a method for using the same, and belongs to the technical field of cable processing. A wire twisting machine for cable processing includes a base, a mounting plate driven by a motor is arranged on the base, and also includes: a wire pay-off roller assembly, a plurality of wire pay-off roller assemblies are arranged and are evenly distributed on the mounting plate in a circumferential manner, a wire take-up roller assembly for winding up the twisted cables is arranged at one end of the base away from the mounting plate; a wire distribution disk, a connecting tube is arranged between the wire distribution disk and the mounting plate, and a wire threading hole for a single cable to pass through is opened on the wire distribution disk; and a twisting seat; when the cables are stranded, the present invention makes the cables passing through the twisting seat contact and rub against the twisting seat at multiple positions, so as to avoid that a certain position of the twisting seat always contacts and rubs against the cables, so that the heat generated by the friction between the cables and the twisting seat will not be concentrated, so as to avoid the cables being damaged by heat and denaturation, and ensure the cable processing quality.

The invention provides an edge sealing strip jet printing machine which comprises a support and a jet printing machine body, the support is provided with a conveying assembly, the conveying assembly comprises a first motor and a rotating roller, the support is provided with a protection assembly, the protection assembly comprises a box body and a gate plate, the support is provided with a stopping assembly, the stopping assembly comprises a pressing sleeve and a stopping roller, and the pressing sleeve and the stopping roller are arranged on the support. According to the edge sealing strip jet printing machine, an electric heating lamp and a fan can heat an edge sealing strip on the two sides of a blocking roller at first, then the edge sealing strip is cooled, the edge sealing strip is completely straightened in cooperation with the pulling force of the pulling roller, and therefore the edge sealing strip is completely straightened; the edge sealing strip spray printing device is simple in structure and convenient to use, unevenness such as wrinkles and curved surfaces on the edge sealing strip is eliminated, the edge sealing strip is effectively guaranteed to be completely flat, the quality of spray printing processing of the edge sealing strip is effectively guaranteed, ink volatile matter is prevented from drifting away, environment safety is guaranteed, and the edge sealing strip spray printing device is suitable for spray printing processing of the edge sealing strip.

The invention discloses a laser processing system, a control method and a laser, relates to the technical field of laser processing, and discloses a laser processing system which comprises an acquisition module, a control module and a laser emission module. The acquisition module is connected with the control module; the control module is connected with the laser emission module. The acquisition module is used for detecting working data of laser processing and transmitting the working data to the control module, and the working data comprises the temperature of a laser processing point; the control module is used for outputting a corresponding adjustment instruction to the laser emission module based on the working data after receiving the working data; and the laser emission module is used for generating a laser beam corresponding to the adjustment instruction when receiving the adjustment instruction. Through real-time online measurement of the temperature of a laser processing point, the system can guarantee the processing quality through high-precision temperature control, and the system stability is improved.

The invention belongs to the technical field of robot automatic force control polishing of optical elements, and particularly discloses a robot polishing force speed planning method and system considering the surface shape precision and the machining efficiency of the optical elements. The method comprises the steps that based on the Preston theory, a material removal model of the small grinding head polishing device is established; acquiring surface shape data of a detection point of the optical element, and planning a polishing path of the optical element in an off-line manner; discrete cutter points are fitted, a parameterized position curve is obtained, points are taken uniformly to obtain surface shape optimization resident points, and a unit material removal matrix is established in combination with a material removal model; and constructing a first-step optimization model and a second-step optimization model, and obtaining the optimized contact force and feed speed. According to the invention, optimization of contact force and feeding speed during optical element processing can be realized, and high-quality optical elements can be obtained with high efficiency.

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 discloses a stamping die with a quick-change structure, which comprises an upper die part and a lower die part which are oppositely arranged, the upper die part comprises an upper die seat, an upper padding plate, a clamping plate and a convex die plate which are sequentially arranged, the lower die seat comprises a concave die plate, a lower padding plate and a lower die seat which are sequentially arranged, a punch is arranged in the upper die part, and the upper die part and the lower die part are arranged in the lower die seat. A punching hole is formed in the lower die base in a penetrating mode and corresponds to the position of the punch, a connecting block is detachably arranged in the upper die part, and the connecting block is arranged between the upper die base and the clamping plate and located above the punch. On the premise that the die body is not detached, the punch can be rapidly detached and replaced, the replacement time of the punch is greatly shortened, the machining efficiency can be improved, the production cost can be reduced, meanwhile, the service life of the die is guaranteed, and the machining quality is guaranteed.

The invention relates to the technical field of semiconductors, in particular to a SiC epitaxy merging detection method and system.According to the SiC epitaxy merging detection method and system, a graphite ring or a wafer or a graphite disc can be independently subjected to edge searching and deviation correction through a merging and splitting module, an edge finder and a deviation correction platform, and a mechanical arm can complete transferring of the wafer or the graphite ring or the graphite disc through fixed grabbing or placing actions; the positioning precision of the wafer is improved, the positioning error in the wafer installation process is effectively eliminated, the combination and separation module can quickly complete the separation and combination action between the graphite ring and the wafer or the graphite disc, the wafer, the graphite ring and the graphite disc which are combined can be smoothly put into an epitaxial growth environment, and the wafer processing quality is ensured; and through arrangement of the laser sensor and the acquisition equipment, automatic detection is realized, manpower is effectively saved, and positioning errors caused by manpower are reduced.

The utility model relates to the technical field of tempered glass processing, in particular to a synchronous water spraying device for tempered glass trepanning processing. The technical problems that according to an existing trepanning machining device, a special drill bit is usually adopted for completing trepanning operation, due to the fact that tempered glass is high in hardness, a large amount of heat can be generated during drilling, a transmission pipe cannot synchronously spray cooling liquid along with the drill bit in time for cooling and heat dissipation, the drill bit can be possibly overheated, and abrasion of the drill bit is aggravated are solved. The drill bit is deformed or fractured, and the product quality is influenced. According to the technical scheme, the synchronous water spraying device for tempered glass trepanning machining comprises a workbench, a machining assembly, a conveying assembly and a positioning assembly. The spraying pipe synchronously sprays water and cools along with drilling of the drill bit, the surface temperature of drilled glass can be rapidly reduced in time, thermal expansion and thermal stress are reduced, glass burst is prevented, the drilling speed is increased, meanwhile, water flow can keep the surface of the glass in a wet state, and glass fragments are reduced.

The invention discloses a machine tool cutter space pose on-machine measurement device and a measurement method thereof, and the device comprises a calibration module which is installed at one side of a cutter handle of a cutter; a frequency-modulated continuous wave laser interference system and a galvanometer are installed on a vibration isolation workbench of the machine tool, light beams emitted by the frequency-modulated continuous wave laser interference system achieve conversion of a set angle through the galvanometer so as to cover the calibration module, and a space positioning algorithm is adopted to fit the plane where the target ball is located. And obtaining a deviation value between the mass center and the normal vector in two measurement results before and after machining, and taking the deviation value as the tool space pose error before and after machining of the machine tool, so that rapid and high-precision direct measurement of the tool space pose error is realized. The method has the advantages of being large in measurement range, high in measurement precision, simple in structure and low in cost, and the defect that in an existing method, the position and pose errors of the tool are indirectly calculated through an error model is overcome.

The invention provides a pipe fitting punch forming device with a protection structure and a forming process, and belongs to the technical field of pipe fitting machining.The pipe fitting punch forming device with the protection structure comprises a supporting plate, a supporting seat is fixedly arranged on the supporting plate, a shell is installed on the supporting seat, a support is welded to the shell, and a protective cover is arranged on the supporting seat; a first electric push rod is installed on the support, a connecting block is connected to the bottom of the first electric push rod, a fixing plate is fixedly arranged on the connecting block, a rotating ring is rotationally connected to the rear side of the fixing plate, a fixing ring is fixedly installed in the fixing plate, a driving assembly is installed on the fixing ring, and a pressing plate is fixedly connected to the rotating ring. The pipe fitting stamping device solves the problems that an existing pipe fitting stamping device cannot support a round pipe while stamping the round pipe into a square pipe, cannot adjust the size of the pipe after stamping forming and cannot detect the size, and does not have a protection function during stamping.

The invention discloses a plate flattening and shearing production line with high feeding precision and a using method, and relates to the technical field of plate flattening and shearing, the plate flattening and shearing production line comprises a plate flattening and shearing main body, a flattening chamber and a shearing chamber are formed in the plate flattening and shearing main body, and laser displacement sensors are mounted at outlets and inlets of the flattening chamber and the shearing chamber; acoustic sensors are mounted on the side walls of the flattening chamber and the shearing chamber; a top limiting module and a shearing module are mounted on the top wall of the shearing chamber, the top limiting module is used for fixing a plate from the top in the shearing process, and the shearing module is used for shearing the plate; a side face limiting module is installed on the side wall of the shearing chamber and used for fixing the plate from the side face in the shearing process. By installing the top limiting module, the side face limiting module and the shearing module, the problems that in the plate machining process, the feeding precision is low, the machining efficiency is low, flexibility is insufficient, and the machining quality is unstable can be solved.

The invention relates to the technical field of laser processing, and discloses a processing machine tool and a processing method for a special-shaped polyhedron. The machining tool comprises a base, a stand column arranged on the base, a control device, a first adjusting mechanism, a rotating mechanism, a second adjusting mechanism, a laser mechanism and a linear scanning device, the first adjusting mechanism is arranged on the base and used for adjusting the position of a blank to be machined in the X-axis direction and the Y-axis direction. The rotating mechanism is in transmission connection with the first adjusting mechanism and used for driving the to-be-machined blank to rotate around the A axis and the C axis. The second adjusting mechanism is arranged on the stand column and used for adjusting the positions of a cutting head and a line scanning device included by the laser mechanism in the X-axis direction and the Z-axis direction, and the line scanning device is used for obtaining point cloud data of the to-be-machined blank; according to the processing machine tool disclosed by the invention, the control device is matched with the linear scanning device, so that the cutting precision of the processing machine tool during processing of special-shaped polyhedrons can be improved, and the adaptability of the processing machine tool to complex shapes is enhanced.

The invention discloses pre-oxidation treatment equipment for carbon fiber production, which comprises a treatment shell for carbon fiber pre-oxidation treatment, and a circulating fan capable of moving by a net is arranged in the treatment shell. And a tension roller for adjusting the tension of the to-be-treated carbon fiber yarn is arranged at the position, corresponding to the to-be-treated carbon fiber yarn, in the treatment shell. Air flow in the treatment shell can be increased, it is guaranteed that the treatment temperatures of all areas in the treatment shell are the same, it is guaranteed that to-be-treated carbon fibers are evenly heated, the processing quality of the to-be-treated carbon fibers is guaranteed, circulating air can be effectively filtered through a detachable filter screen, and the treatment efficiency of the to-be-treated carbon fibers is improved. And moreover, the filter screen can be conveniently detached, cleaned or replaced, and unstable conveying caused by the tension in the conveying process of the carbon fiber yarns to be treated can be avoided, so that the processing quality of the carbon fiber yarns is ensured.

The invention discloses a hydraulic drive type honing head structure, and belongs to the technical field of honing heads, the hydraulic drive type honing head structure comprises a connector, a tool rest, a cutting edge and an expansion mechanism, the end of the connector is provided with a liquid inlet channel arranged along the axis of the connector in a penetrating mode, and the expansion mechanism comprises a drive sliding rod, a drive reset piece and a cutting reset piece; a driving sliding groove is formed in the end, facing the connector, of the tool rest, and when the driving sliding rod slides in the direction away from the connector, the cutting edges move in the axis direction away from the tool rest. A flowing channel is formed in the end, facing the connector, of the driving sliding rod, a communicating hole communicating with the flowing channel and the driving sliding groove is formed in the free end, away from the connector, of the driving sliding rod, and a nozzle communicating with the driving sliding groove is formed in the free end, close to the cutting edge, of the tool rest. The honing device has the effects that precise coverage of cutting fluid in a cutting area is conveniently achieved in the honing machining process, and the honing machining quality is guaranteed.

The utility model discloses a frictioning processing device which comprises a machine body, an automatic taking and placing mechanism, at least one grinding mechanism, a cleaning mechanism and a detection mechanism, the automatic taking and placing mechanism is arranged on the machine body and comprises a clamping part, the clamping part is used for grabbing and releasing frictioning to transfer the frictioning, the grinding mechanism is arranged on the machine body, and the cleaning mechanism is arranged on the machine body. The grinding mechanism is used for grinding the scraped glue, the cleaning mechanism is arranged on the machine body and comprises a cleaning tank, the cleaning tank is used for containing the scraped glue so as to clean the scraped glue, and the detection mechanism is arranged on the machine body and used for collecting appearance parameters of the scraped glue and determining the grinding effect of the scraped glue according to the appearance parameters. According to the frictioning processing device, the production efficiency is improved, the production cost is reduced, the ground frictioning can be cleaned, the grinding effect can be detected, and the processing quality of the frictioning is ensured.

The utility model relates to the technical field of clamps, and discloses a gear honing clamp which comprises a clamp body and a workpiece body, the workpiece body is arranged in the clamp body, an inclined end face is arranged at one end of the clamp body, an outer sleeve frame is arranged at the other end of the clamp body, and a connecting bolt is arranged between the clamp body and the outer sleeve frame for connection. A pull rod is fixedly connected into the outer sleeve frame, an inner sleeve frame is fixedly connected into the clamp body, a limiting spring is fixedly connected into the inner sleeve frame, the workpiece body is centered and radially positioned through cooperation of the floating tip and the limiting spring, and the workpiece body is connected with the pull rod of an external machine tool through the pull rod. According to the clamp, the connecting bolt can drive the limiting expansion sleeve to move up and down, the limiting expansion sleeve slides along with the inclined end face of the end of the clamp body, and therefore the workpiece body is clamped and loosened, and the machining precision and the machining quality of the workpiece body are guaranteed in this way.

The invention discloses a mineral filling type double-spindle turning and milling composite machine tool, and belongs to the technical field of composite machine tools, the mineral filling type double-spindle turning and milling composite machine tool comprises a base and further comprises a double-spindle mechanism, the double-spindle mechanism comprises a first spindle box fixedly connected above the base, a first spindle is rotatably connected in the first spindle box, and a first chuck is fixedly mounted at one end of the first spindle; a second spindle box is slidably arranged above the end, away from the first spindle box, of the base, a second spindle is rotatably connected into the second spindle box, a second chuck is fixedly mounted at the end, close to the first spindle, of the second spindle, and the first spindle and the second spindle are coaxial. According to the turning and milling composite machine tool spindle cooling device, the problems that an existing turning and milling composite machine tool spindle is poor in cooling effect, a tool and a workpiece cannot be efficiently cooled, and then the service life of machine tool parts and the service life of the tool and the machining quality of the workpiece are affected are solved.

The invention discloses an ultrathin precision stainless steel strip stress removing device and a stress removing method thereof.The device comprises a bottom plate, a cooling box and an air cooling mechanism, a heating mechanism is fixed to the left side of the upper end face of the bottom plate, a fixing box fixed to the bottom plate is arranged on the right side of the heating mechanism, and a vibration mechanism is fixed in the fixing box; a cooling box is fixed to the right side of the upper end face of the bottom plate, and an air cooling mechanism is installed in the cooling box. According to the ultra-thin precise stainless steel strip stress removing device and the stress removing method thereof, the knocking vibration mechanism is adopted, the stainless steel strip can generate slight vibration, and therefore the primary stress removing effect and the secondary stress removing effect are achieved, the heating mechanism and the linkage adjustable air cooling mechanism are matched, the secondary stress removing effect of the stainless steel strip can be achieved, and the stress removing efficiency is improved. And through the adjustable air cooling mechanism, the air cooling range can be effectively enlarged, the rolling cooling mechanism is matched, the secondary cooling and flattening effects of the stainless steel strip can be achieved, and the cooling effect and flatness of the stainless steel strip are guaranteed.

The invention discloses an organic fertilizer processing device and method, and belongs to the field of organic fertilizer processing. An organic fertilizer processing device comprises a mixing tank and two sets of mounting frames, a positioning shaft is fixedly connected between the two sets of mounting frames, the mixing tank is rotatably connected to the outer wall of the positioning shaft, the organic fertilizer processing device further comprises a turnover assembly, the turnover assembly is arranged on the mounting frames and used for driving the mixing tank to rotate, and the turnover assembly is arranged on the mounting frames and used for driving the mixing tank to rotate. The materials inside are turned over and mixed; through rotation of the mixing tank and arrangement of a material turning paddle, materials in the mixing tank are turned over and mixed, and through arrangement of a lifting disc, a lifting arc block, a lifting rod, a lifting frame, a spring telescopic rod and a grinding rod, organic fertilizer raw materials entering a grinding groove during turning over are ground; more uniform distribution of each component in the mixing process is ensured, the mixing effect is effectively improved, and the organic fertilizer processing quality is ensured.

The utility model relates to the technical field of metal punching equipment, and discloses a frame punching device for aluminum door preparation, which comprises a workbench, the output end of a motor is fixedly connected with a threaded rod, the outer side of the threaded rod is in threaded connection with a sliding block, one side of the middle part of a support is in sliding connection with a push block, one side of the push block is fixedly connected with a push rod, and the push rod is in threaded connection with the threaded rod. One side of the push rod is fixedly connected with a push plate, one end of the inclined rod is rotatably connected with an ejector block, the top of the ejector block is fixedly connected with an ejector rod, the bottom of the outer wall of the ejector rod is provided with a first spring, the side, close to the push rod, of the top face of the support is rotatably connected with a supporting plate, and a punch is arranged above the supporting plate. According to the waste discharging device, the support can be close to the top plate through the driving motor, the ejector rod can be ejected out through mutual extrusion of the push plate and the top plate, at the moment, the right side of the support plate is tilted, the frame body is in an inclined state, waste in the frame body slides out, manual discharging of the waste is avoided, and the working process is simplified.

The invention discloses an automobile shock absorber welding tool provided with a pre-positioning mechanism, and relates to the field of automobile shock absorber welding, the automobile shock absorber welding tool comprises a movable butt joint reserved seat and a built-in nesting piece, the movable butt joint reserved seat is mounted at the upper end of a pre-positioning base in a nesting manner, and the built-in nesting piece is arranged at the inner end of the movable butt joint reserved seat; a to-be-machined shock absorber workpiece is placed on the inner side of the built-in nested part; a vertical reserved guide groove is formed in the upper end of the movable butt joint reserved seat, and a nested butt joint supporting piece is mounted on the inner side of the vertical reserved guide groove in a nested mode. According to the automobile shock absorber welding tool with the pre-positioning mechanism, a second reserved liquid bag deforms to conduct self-positioning treatment on the outer side of a workpiece making contact with the second reserved liquid bag, that is, self-positioning is achieved in the welding process of equipment, automatic loosening is achieved when the equipment is disengaged from the welding state, manual auxiliary operation of a user is not needed, pre-positioning operation is conducted while welding is conducted according to the machining requirement, and the machining efficiency is improved. Therefore, self-positioning work is carried out on the contacted workpiece in a self-adaptive mode.

The invention relates to the field of municipal engineering construction, in particular to gas pipeline construction equipment for municipal engineering. Comprising a conveying mechanism, a supporting and fixing mechanism and a groove cutting mechanism, the supporting and fixing mechanism and the groove cutting mechanism are sequentially arranged in the conveying direction of the conveying mechanism, the groove cutting mechanism comprises a fixed ring, a rotating ring and cutters, the rotating ring is coaxially and rotatably arranged on the fixed ring, and the cutters are evenly distributed on the rotating ring in the circumferential direction of the rotating ring. Each cutter can move in the radial direction of the cutter, the extrusion ring can move in the axis direction of the extrusion ring, a plurality of supporting pieces capable of moving in the radial direction are evenly distributed on the inner side of the extrusion ring in the circumferential direction of the extrusion ring, and an inner supporting driver is arranged on the extrusion ring. The rubber layer on the extrusion ring is elastically attached to the end face of the gas pipeline removal end, a uniform limiting contact face is formed, the stability of axial limiting is improved, the gas pipeline is internally supported through cooperation with the multiple supporting rollers, and the stability of radial limiting is improved.