192results about How to "Avoid machining errors" patented technology

The invention discloses a machining control method, device and system based on a five-axis machining machine tool and a medium. The method comprises the steps that geometrical characteristic parameters of a to-be-machined workpiece and tool characteristic information are obtained, a cutting force model is established according to the obtained geometrical characteristic parameters, and cutting force distribution conditions under different paths are calculated; in the cutting force model, based on the cutting force distribution condition and the geometric feature parameters, generating an optimal cutter path corresponding to the cutter feature information by using a path optimization algorithm; according to the generated tool path and tool feature information, establishing a simulation environment of the five-axis machining tool, and simulating motion states of the tool in different paths; in the simulation environment, setting a reward function including path smoothness and cutting force stability; using a reinforcement learning algorithm to optimize the fairness of the tool path, and generating a smooth tool path; verifying the generated smooth tool path in a simulation environment; and triggering a processing execution instruction. The machining precision and the surface quality are improved.

The invention relates to the technical field of spectacle lens processing, in particular to optical spectacle lens polishing equipment which comprises a bottom plate, a polishing unit and a locking mechanism. The rotating ring and the pushing plates and the clamping blocks on the rotating ring jointly clamp the circumferential face of the spectacle lens and conduct self-locking, so that the rotating ring and the spectacle lens are integrated, in the follow-up polishing face replacing process, the rotating ring is moved upwards and turned over, the spectacle lens is placed on the vertical plate, and the polishing face is replaced. In the process, the reference of the rotating ring is always taken as the reference of the spectacle lens, so that the problem that the processing time and the processing error are increased due to the fact that the reference of the spectacle lens needs to be repositioned in the process of replacing the polished surface is solved; the polishing device is suitable for the polishing machining process of two spherical surfaces of the spectacle lens, the swing path of the polishing plate is limited in the polishing process, and the polishing precision and stability are improved.

The invention discloses a machine tool clamping device for cylinder sleeve rough machining, and relates to the technical field of cylinder sleeve rough machining clamps, the machine tool clamping device comprises a center column and a center cylinder, and one end of the center column is fixedly connected to the side face of a partition plate. A main body structure of the device comprises a center column, an inner wall expanding and supporting assembly is arranged on the outer wall of the center column, an end face clamping assembly for clamping the end face of the cylinder sleeve is arranged on a right-angle supporting plate of a core assembly of the inner wall expanding and supporting assembly in the horizontal direction, and the end face clamping assembly and the inner wall expanding and supporting assembly are matched with each other when the outer wall of the cylinder sleeve is subjected to rough machining; the end face of the cylinder sleeve is clamped, and the problems that in the prior art, when a numerical control machine tool conducts rough machining on the cylinder sleeve, an inner supporting assembly is mostly adopted for expanding and supporting the inner wall of the cylinder sleeve, the cylinder sleeve is fixed to facilitate rough machining on the outer wall of the cylinder sleeve, and the end face of the cylinder is not clamped at the moment can be thoroughly solved. And when the air cylinder sleeve is subjected to axial force due to milling, the air cylinder sleeve is easy to transversely move along the inner supporting assembly, and machining errors are caused.

The invention discloses an automobile part grinding control system, which relates to the technical field of automobile part grinding control, and ensures that a grinding tool always keeps an optimal focal length and an accurate position in an operation process by accurately controlling a first focusing instruction, a first translation instruction and a first rotation instruction. A strain sensor is introduced to monitor the deformation of the workpiece in real time, and the deformation can be found in time and compensated in real time in the grinding process. The system can optimize temperature control management for different workpiece materials by considering heat conductivity coefficients k and heat conduction factors Rczz of different materials. Multiple factors of stress distribution, heat conduction, cooling efficiency and surface smoothness are considered by integrating the grinding quality index Mzqs, the machining quality grade is generated after comprehensive evaluation is provided for the grinding quality, parameters including the grinding depth, the workpiece feeding speed and the cooling system are adjusted according to the grade result, and therefore the machining quality of the final workpiece is improved.

The invention discloses an unmanned intelligent production system and method for compressor parts, and relates to the technical field of compressor part production, the unmanned intelligent production system comprises a feeding assembly, a conveying assembly and a grabbing assembly, the feeding assembly is used for feeding compressor parts, and the conveying assembly is used for conveying the compressor parts; according to the compressor part conveying device, a conveying plate is lifted upwards by starting a hydraulic rod, then a first bearing fork which is lifted at the same time can be separated from a supporting fork, compressor parts can be automatically transferred to the first bearing fork, and an output shaft of a forward and reverse motor rotates by starting the forward and reverse motor, so that a rotating disc is driven to rotate in a rotating groove; and the positions of the first bearing fork and the second bearing fork are exchanged, at the moment, the first bearing fork is located above the discharging fork, the second bearing fork is located above the supporting fork, the functions of the first bearing fork and the second bearing fork are the same, and the conveying efficiency can be improved by alternately using the first bearing fork and the second bearing fork.

The invention discloses a machine tool repeated positioning control system, which relates to the technical field of machine tool control, and is characterized in that data of all stations are summarized in real time through a comprehensive evaluation and correction module, the multi-station machining condition is comprehensively analyzed, and a machining precision index Q is output. And meanwhile, the system compares and evaluates the machining precision index Q with a preset precision threshold value Qth, and if it is found that a comprehensive error exceeds an allowable range, an iterative control process is executed. According to the process, control parameters, a compensation mechanism and evaluation optimization measures are dynamically adjusted, and errors caused by the position, the speed and the temperature are gradually reduced till the machining precision index Q is smaller than or equal to the precision threshold value Qth. The iterative evaluation and correction mechanism ensures that the system can continuously optimize the machining quality, the strict requirements of the high-end manufacturing field for precision and consistency are met, meanwhile, the production loss and cost are effectively reduced, and the product yield is improved.

The invention discloses five-axis cutting and grinding-laser machining composite manufacturing equipment, and belongs to the technical field of machining equipment. The five-axis cutting and grinding-laser machining composite manufacturing equipment comprises a workbench, a clamp, a cutting and grinding mechanism and a laser machining mechanism, and further comprises a workbench cross beam, and the cutting and grinding mechanism and the laser machining mechanism are fixed to the workbench cross beam; the horizontal longitudinal guide rail is horizontally arranged on the workbench; the horizontal transverse guide rail is slidably connected to the horizontal longitudinal guide rail; the sliding direction of the rotary table on the horizontal transverse guide rail is perpendicular to the sliding direction of the horizontal transverse guide rail on the horizontal longitudinal guide rail, and the rotary table is connected with the clamp and used for driving the clamp to rotate. According to the five-axis cutting and grinding-laser machining composite manufacturing equipment, laser material removal and rod-shaped grinding wheel fine trimming are integrated on the same equipment to be completed in the ceramic and other hard and brittle material micropore machining technology, repeated clamping is avoided while grinding wheel abrasion is reduced, and the machining precision and the machining efficiency are improved.

The invention relates to the technical field of cutting machine protection, and discloses a linear cutting machine tool with a liftable waterproof cover, which comprises a machine tool body, the outer side of the machine tool body is sleeved with a peripheral cover, the top of the machine tool body is provided with a mounting baffle, the mounting baffle is sleeved with a waterproof cover body, and the top of the machine tool body is provided with a workpiece mounting seat. A lifting assembly is arranged on one side of the waterproof cover body. A cleaning assembly is arranged on one side of the top of the machine tool body. The lifting assembly is used for controlling the height of the waterproof cover body. And the cleaning assembly is used for cleaning sediments at the bottom of the mounting baffle. Compared with the prior art, the lifting assembly can adjust the height of the waterproof cover body according to needs, it is ensured that the waterproof cover body is always kept at the proper position in the machining process, good protection is provided, and the cleaning assembly is located on one side of the top of the machine tool body and specially used for cleaning sediments at the bottom of the mounting baffle and keeping clean; and normal operation of equipment is ensured.

The invention discloses an automatic feeding and discharging device for circuit board printing, and particularly relates to the technical field of circuit board production, the automatic feeding and discharging device comprises a conveying seat, positioning assemblies are symmetrically arranged on the left side and the right side of the conveying seat, a cleaning assembly is arranged at the upper end of the conveying seat, and a printing assembly is arranged on the front side of the cleaning assembly; pushing assemblies are symmetrically arranged at the left end and the right end of the front side of the conveying base, lifting assemblies are arranged on the front sides of the pushing assemblies, and a plurality of material discs are arranged at the upper end of the conveying base. According to the automatic feeding and discharging device for circuit board printing, through cooperation of all the structures, the position of a circuit board can be accurately calibrated in the feeding process, machining errors caused by inaccurate positioning are avoided, the circuit board is cleaned synchronously, it is ensured that the surface of the circuit board is clean, and the working efficiency is improved. And the printed circuit board can be intermittently conveyed to a designated position to be stored in the discharging process, so that rapid storage and taking in the later period are facilitated, and the whole feeding and discharging process is optimized.

The invention relates to an automatic U-shaped pipe punching machine and a U-shaped pipe punching machining method. An automatic punching machine for U-shaped pipes comprises a punching assembly and a storage assembly, the storage assembly comprises a storage frame used for limiting translation of stored pipes to be machined, the storage frame forms a storage space, and a positioning assembly and the punching assembly are arranged on the side of the storage space. A discharging opening communicating with the storage space is formed in the lower end of the storage frame, the positioning assembly comprises a supporting block located on the side of the discharging opening, a first limiting block and a positioning block, and the supporting block moves to the discharging opening or is laterally away from the discharging opening under the action of a first driver; the first limiting block is far away from or close to the material storage space under the action of the second driver, and the positioning block is close to the material storage space and extends into the pipe to be machined or far away from the material storage space under the action of the third driver. The punching device has the advantages that the production efficiency can be improved, and the punching machining precision is guaranteed.

The invention provides an installing, clamping and electric welding device for fireproof door production, and relates to the technical field of equipment for fireproof door production, the installing, clamping and electric welding device comprises a welding manipulator, clamping assemblies are arranged on the two sides of the welding manipulator, and the two ends of each clamping assembly are connected with rotating power assemblies; the clamping assembly can be driven by the rotating power assembly to rotate by 360 degrees. One face of the clamping assembly clamps welding steel, and the other face of the clamping assembly is provided with a hollowed-out hole position and a hollowed-out groove position. The door frame welding device has the beneficial effects that the welding manipulator is arranged, the clamping assemblies capable of rotating are arranged on the two sides of the welding manipulator, an operator only needs to load steel onto the clamping assemblies, and the clamping assemblies can drive the positioned steel to rotate so as to be matched with the welding manipulator to weld a door frame; therefore, the door frame does not need to be secondarily installed manually, the labor intensity of operators is reduced, machining errors caused by secondary clamping can be avoided, and the production quality of the door frame is guaranteed.

The invention discloses a hollow glass polishing and press-fit fixing device, and relates to the technical field of glass manufacturing, the hollow glass polishing and press-fit fixing device comprises a hollow glass polishing device and a polishing control system, supporting plates are uniformly distributed and mounted on the outer side surface of a limiting and fixing assembly, and baffles are mounted on the outer side surfaces of the output ends of a plurality of electric telescopic rods; large round hollow glass slowly rotates, so that the edge is in contact with a grinding head for grinding, it is ensured that the large round hollow glass is always dynamic in the grinding process, the more uniform grinding effect is achieved, local excessive abrasion or uneven abrasion generated in the grinding process is avoided, the total grinding efficiency is improved, and the grinding efficiency is improved. By means of the grinding device, the working efficiency is higher, the shape is kept complete in the grinding process, the large round hollow glass can rotate more smoothly, the grinding process can be controlled more accurately, and the grinding device is particularly suitable for occasions needing high machining precision.

The invention relates to the technical field of plunger pump part machining, in particular to a stator ring inner runway machining method. The stator ring inner runway machining method comprises the steps that based on initial positioning of a stator ring semi-finished product and a grinding wheel, the grinding wheel is controlled to conduct grinding machining on the inner circumferential wall of the stator ring semi-finished product along a first path. And controlling the grinding wheel to grind the inner circumferential wall of the stator ring semi-finished product along the second path based on completion of the grinding wheel along the first path. Wherein the stator ring semi-finished product is sequentially provided with a first separation point, a first inflection point, a second separation point, a second inflection point and a target separation point. An inner ring track of the stator ring semi-finished product between the first separation point and the second separation point is a first track, and the first path covers the first track. The inner ring track of the stator ring semi-finished product between the second separation point and the target separation point is a second track, and the second path covers the second track. Therefore, the problem that the grinding difficulty is high due to the fact that the inner runway track of the stator ring is complex is solved.

The utility model relates to the technical field of clamps, in particular to a clamp for drilling and tapping of a speed reducer shell. In order to solve the problem that the machining quality and precision are affected by movement or deformation in the machining process due to the fact that the speed reducer shell is prone to being affected by vibration and external force generated during machining, the following technical scheme is provided: the device comprises a hollow base used for placing the speed reducer shell; the clamping mechanism is mounted on the base and is used for clamping and fixing the speed reducer shell; the clamping mechanism comprises a sliding groove, a clamping plate, a pressing plate, a moving block, a threaded sleeve, a bidirectional threaded rod and a rotating handle, and the pressing assembly comprises a sliding sleeve, a moving plate, a push rod motor, a sliding block and a sliding rail. The speed reducer shell clamping device has high stability after clamping a speed reducer shell, vibration and movement in the machining process are effectively prevented, and accuracy and precision in the machining process are ensured.

The invention discloses a guide pin piece folding and milling all-in-one machine and a guide pin piece folding and milling method, and the guide pin piece folding and milling all-in-one machine comprises a rack, a feeding mechanism, a folding and milling mechanism and a driving mechanism. The feeding mechanism is arranged on the rack, and the feeding mechanism is used for conveying needle guide sheets; the feeding mechanism is arranged on the rack, the bending and milling mechanism is arranged on the rack and located on one side of the feeding mechanism, the bending and milling mechanism is used for bending and milling partial structures of the guide pin sheets conveyed by the feeding mechanism, the bending and milling mechanism comprises a bending wheel and a milling wheel, the bending wheel and the milling wheel are located in the same plane, and the bending wheel and the milling wheel sequentially pass through the partial structures of the guide pin sheets; the driving mechanism is arranged on the rack, the driving mechanism is respectively connected with the feeding mechanism and the folding and milling mechanism, the driving mechanism is used for driving the feeding mechanism to convey the needle guide sheet, and the driving mechanism can also be used for driving a bending wheel and a milling wheel of the folding and milling mechanism to sequentially pass through partial structures of the needle guide sheet.

The invention discloses a tool path planning method and system for numerical control machining of a face gear, belongs to the technical field of gear machining, and solves the problems that multiple sets of tool interference and path optimization constraints are not considered and introduced in an existing method, and frequent pause and adjustment are caused in the machining process due to unreasonable tool interference and paths. The method comprises the steps of determining a machining mode of a to-be-machined gear based on parameters of the to-be-machined gear, detecting and adjusting an interference path of a milling cutter, outputting a primary adjustment path after primary adjustment, adjusting the milling posture of the milling cutter, and outputting a secondary adjustment path after secondary adjustment. According to the method, the initial machining path of the milling cutter in the multi-head cutter set is determined through a path calculation algorithm, and the optimal path without interference of the milling cutter is obtained. The milling precision of the milling cutter is guaranteed, collision or interference among multiple groups of milling cutters during machining is avoided, and the efficiency of the milling cutter is improved.

The utility model relates to an automatic workpiece carrying and stamping production line which comprises a control panel, a feeding machine used for automatically taking, placing and straightening workpieces, a stamping machine used for stamping the workpieces, a receiving belt conveying line used for conveying the workpieces and a material frame used for storing the workpieces. The swing arm manipulator is used for transferring a workpiece of the feeding machine to one stamping machine, transferring a workpiece of the stamping machine to another stamping machine or transferring a workpiece of the stamping machine to the receiving belt conveying line; the material frame is positioned at an outlet of the receiving belt conveying line; according to the production line, automatic carrying and automatic punching of the workpieces and automatic straightening of the positions of the workpieces are achieved, the requirement for manual operation is reduced, and the production efficiency is greatly improved. The automatic operation process can effectively save time and labor cost, and the overall efficiency of the production line is improved.

The application discloses a groove cutter for machining a turbocharger shell annular groove and a turbocharger shell, the groove cutter comprising a first cutter body, a second cutter body and a cutting edge. The stable clamping of the first cutter body lays a foundation for machining precision, avoiding machining errors caused by clamping deviation; the design of the chip removal angle A and the support angle B of the second cutter body not only solves the problem of chip removal, but also enhances the strength of the groove cutter, reduces cutting heat and groove cutter deformation; the cutting edge comprises a straight edge section and a semicircular edge, which controls the cutting contact area, reduces the cutting force and vibration, and protects the edge. The joint action of these designs not only makes the machining precision of the annular groove meet the assembly and use requirements of the shell, but also improves the service life of the groove cutter, reduces the number and time of tool replacement, reduces the machining cost, improves the overall machining efficiency, and fully meets the batch production requirements of the new energy automobile turbocharger shell.

This utility model relates to a detachable structure for a folding mop head, comprising a central plate; two folding plates hinged to opposite sides of the central plate, each folding plate having a snap-fit ​​groove on its bottom surface, the snap-fit ​​groove having a first insertion interface; and two back plates fixed to the top surface of the foamed mop head at intervals, each back plate having a snap-fit ​​that can be inserted into the first insertion interface and cooperate with the snap-fit ​​groove; the inlet diameter of the snap-fit ​​groove is larger than the inner diameter of the snap-fit ​​groove. The larger inlet diameter of the snap-fit ​​groove facilitates assembly of the snap-fit ​​and the slot overcoming machining errors.

The present invention belongs to the field of plasma cutting technology, and in particular to a millimeter wave therapeutic device plasma cutting device and method, comprising a base and a workbench fixed on the surface of the base, wherein a fixing component is installed inside the workbench. The device is provided with a fixing component, which can press and fix the four corners of the surface of the millimeter wave therapeutic device shell to ensure that the millimeter wave therapeutic device shell will not be displaced during the cutting process, and can provide stable supporting force from multiple directions, thereby avoiding processing errors caused by unstable position, ensuring the accuracy and consistency of the cutting lines, and preventing quality problems such as uneven cutting surface and dimensional deviation caused by shell shaking, which helps to improve the qualified rate and overall quality of the product. In addition, the whole process does not require human intervention and has a high degree of automation, which greatly improves the accuracy and timeliness of the operation, effectively avoids the problem of inaccurate positioning caused by human judgment delays or errors, and provides a strong guarantee for high-precision processing.

The utility model relates to the field of artificial board processing technology, concretely is artificial board processing equipment for forestry engineering, including processing platform, be provided with drive assembly on the processing platform, be provided with the clamping assembly for fixing board to the processing platform, the both ends of processing platform still are provided with the chip collection subassembly for collecting the processing chip. The device drives the driving disc to rotate with servo motor, and then makes two synchronous connecting rods drive synchronous board to move, makes multiple clamping rods can be accurate with the side edge of board abut, fixes the board fast and stably, effectively avoids the processing error caused because board shakes, improves the processing accuracy, guarantees the quality of artificial board, and through the flexible adjustment of front and back, left and right, up and down three directions, can accurately position processing assembly to any processing position of board, satisfies different processing demand, greatly improves the applicability and processing flexibility of equipment.

The invention discloses a machining method and application of a side surface and a reference surface of a hard crystal ingot. The method comprises the steps that a diamond wire is driven to move in the axial direction of the diamond wire, and cutting fluid is pumped to flow on the surface of the diamond wire in an attached mode to form a flow beam; and ultrasonic waves are applied to the flow beams, the diamond wire is made to cut the hard crystal ingot to be machined under the auxiliary effect of the ultrasonic waves, and machining of the side surface and the datum plane is completed. Machining of the side surface and the datum plane of the hard crystal ingot is completed in a diamond wire cutting mode, in the wire cutting process, cutting fluid is pumped to form a flow beam, ultrasonic waves are directly applied to the flow beam, the focusing degree of ultrasonic energy is remarkably improved, cutting machining is assisted, and the machining efficiency is improved. The problems of machining errors and surface quality caused by direct application of ultrasound to the diamond wire are avoided, the problems of pollution and waste of hard material powder formed by grinding are also avoided, and the material utilization rate is remarkably increased.

The invention relates to the field of sheet metal machining equipment, in particular to an anti-falling pin drilling positioning auxiliary device and drilling machining equipment. The anti-disengaging pin drilling auxiliary positioning device comprises a positioning seat, a horizontally-penetrating positioning hole is formed in the positioning seat, a hard alloy drill bushing is perpendicularly fixed to the top face of the positioning seat, and a bottom hole of the drill bushing intersects with the positioning hole; a horizontal clamping groove is formed in the positioning seat, and the position of the horizontal clamping groove corresponds to that of the anti-falling pin clamping groove of the anti-falling pin; a horizontal clamping groove blocking piece is installed in the horizontal clamping groove and is in micro-clearance fit with the anti-falling pin clamping groove. A chip groove is formed in the positioning seat and located under the drill bushing bottom hole and above the horizontal clamping groove blocking piece. The drilling tool is simple in structure and convenient to machine, the perpendicularity and the position precision of anti-falling pin drilling can be ensured, rotation in the machining process is prevented, and the machining efficiency is improved.

The present application relates to the technical field of automobile steering knuckle processing, and in particular to a rotary tool for automobile steering knuckle processing, comprising a base, a flipping mechanism and a clamping mechanism. The flipping mechanism comprises a flipping seat and a flipping drive assembly, wherein the flipping drive assembly is arranged on the base, the flipping seat is arranged on the flipping drive assembly, a clearance groove is provided on the flipping seat, and the clearance groove is used for one end of the steering knuckle to pass through; the clamping mechanism is arranged on the flipping seat, and the clamping mechanism is used to clamp the steering knuckle. The rotary tool realizes multi-faceted processing of the steering knuckle through the design of the flipping mechanism and the clamping mechanism, thereby improving processing efficiency and precision. The present application has the effect of improving processing efficiency.

The invention relates to the technical field of riveting equipment, and discloses automatic wiring harness riveting equipment for assembling an automobile ABS wheel speed sensor, which comprises a rack, a wire box assembly is arranged at the rear end of the top side of the rack, and a wiring harness feeding mechanism is arranged on the top side of the rack or the front side of the wire box assembly; the top side and the left side of the wire box assembly are fixedly connected with framework feeding assemblies, and each framework feeding assembly comprises a material box, a second rotating motor, a rotating disc, a spiral frame and a feeding groove. The framework feeding assembly drives a rotating disc and a spiral frame through a second rotating motor, a framework is automatically conveyed to a feeding groove from a material box, automatic feeding of the framework is achieved, a first rotating motor in the wire harness feeding mechanism is matched with a wire shaft, automatic discharging of wire harnesses is achieved, the time of manual operation is shortened, the labor intensity of manual operation is reduced, and the production efficiency is improved. And the vertical air cylinder in the riveting mechanism can rapidly push the upper riveting die to be matched with the lower riveting die, and rapid riveting of the wire harness and the framework is achieved.

This utility model discloses a cutting device for producing motor shafts, relating to the field of motor shaft processing technology. The utility model includes a worktable, a cutting assembly and a rotating assembly mounted on the worktable. The cutting assembly includes a transmission frame rotatably mounted above the worktable via a bearing seat, a drive motor mounted at the tail of the transmission frame, a cutting tool mounted at the front of the transmission frame, and a cylinder for adjusting the rotation of the transmission frame relative to the bearing seat. The rotating assembly includes a transmission seat fixed to the edge of the worktable, a clamp fixed to the front of the transmission seat, a transmission belt for driving the rotation of the transmission seat, and a rotary motor. The motor shaft passes through the clamp and the transmission seat, and the clamping jaws of the clamp hold and fix the motor shaft to its circumference. This utility model, through the coordinated operation of the cutting assembly and the rotating assembly, achieves automatic rotation and precise cutting of the motor shaft, facilitating uniform and continuous cutting operations by the cutting tool.

The utility model relates to the technical field of numerical control machine tool workpiece feeding and discharging, and discloses a numerical control machine tool workpiece feeding and discharging device which comprises a supporting frame, a lifting motor, a bearing device and a pushing device. A bearing device is arranged in the supporting frame and correspondingly connected with the interior of the supporting frame in a sliding fit mode, a pushing device is arranged at the top of the bearing device and fixedly connected with the top of the bearing device through an adaptive screw, and a bottom output shaft of the lifting motor is correspondingly connected with the bearing device in a threaded fit mode. The loading and unloading device is internally provided with the bearing device and the pushing device which cooperate with each other, so that the loading and unloading speed of large workpieces can be greatly improved, manual carrying is reduced, and the safety of the whole operation process is greatly improved.

The utility model discloses a movable cutting fluid nozzle, and relates to the field of machine tool machining. The movable cutting fluid nozzle comprises a nozzle housing and a high-pressure nozzle head, a middle-end connecting rod shaft is rotationally connected to the interior of the nozzle housing, the high-pressure nozzle head is connected to one end of the middle-end connecting rod shaft in a sleeved mode, and the other end of the middle-end connecting rod shaft is connected with a tail connecting piece in a sleeved mode. According to the movable nozzle for the cutting fluid, the tail connecting piece is communicated with the cutting fluid pipeline, and the tail connecting piece and the middle end connecting rod shaft are communicated with the high-pressure nozzle head, so that the cutting fluid is sprayed out of the high-pressure nozzle head, scrap iron wound on a tool is treated in time, and the situation that the scrap iron is wound on the tool, and consequently machining errors or inaccurate precision is caused is avoided; meanwhile, the situation that in the machining process, generated scraps reach a certain degree, shutdown is needed for removing scrap iron is avoided, continuous production operation is achieved, the waiting time of a machine tool is shortened, the use efficiency of the machine tool is improved, cost reduction and labor efficiency improvement are facilitated, and cost reduction and efficiency improvement are achieved for factories.

The utility model discloses a four-axis machine of a machining center, and relates to the technical field of four-axis machines. The machining center four-axis machine comprises a machining center, a fixing assembly and a replacing assembly, a bridge plate is arranged on the machining center, the fixing assembly is arranged on the bridge plate, the replacing assembly is arranged on the bridge plate, the replacing assembly comprises a fixing frame, sliding blocks, springs and clamping rods, and the two sets of sliding blocks are installed in the fixing frame in a sliding mode and are symmetrically distributed; a spring is fixedly installed on one side of the sliding block, a clamping rod is fixedly installed on the other side of the sliding block, and the other end of the clamping rod penetrates through the fixing frame and extends into the connecting plate. Through the arrangement of the replacement assembly, workpieces of different shapes and sizes possibly need different clamping modes and force distribution, the most suitable clamping mode can be selected according to the specific requirement of each workpiece by replacing the clamping fixing plate, and the flexibility can ensure that each workpiece can be stably and reliably clamped; and machining errors or workpiece damage caused by improper clamping are avoided.