44results about How to "Improve verticality" patented technology

The utility model discloses a kind of composite fireproof insulation board laminating device, the utility model relates to thermal insulation board laminating technical field.It is laminated mechanism for composite fireproof insulation board and is provided on the mounting base, laminated mechanism includes: press-fit component, including the support rod fixed with both side walls of mounting base, the upper end of the support rod is provided with the mounting plate connected by lifting assembly, the lower end surface of the mounting plate is provided with the pressure plate main body connected by elastic component, the lower end inside of the pressure plate main body is provided with rectangular frame slot, the inside of the rectangular frame slot is provided with the rectangular pressure plate connected by telescopic component, the utility model is driven rectangular pressure plate telescopic by second hydraulic rod, realize the pertinence pressure to the edge of thermal insulation board, since the edge of thermal insulation board is prone to the problem of not firm combination when laminating, can effectively improve the compaction degree and bonding strength of edge, avoid edge curling, delamination and other quality problems.

This invention relates to the field of mining exploration technology, and discloses an intelligent mining engineering exploration device and its usage method. The device includes a body and a lifting mechanism. A base is fixedly mounted on the body, and a frame is rotatably mounted on the base. A lifting platform is slidably mounted on the frame. The lifting mechanism is mounted on the frame to drive the lifting platform up and down. A rotating mechanism is connected to the bottom of the lifting platform via a universal joint. A drill rod is fixedly mounted at the drive end of the rotating mechanism, and a drill bit is fixedly mounted at the bottom end of the drill rod. A straightening component is mounted on the outside of the drill rod. The straightening component includes a sliding ring sleeved on the outside of the drill rod, and several linear actuators are fixedly mounted on the surface of the sliding ring. By relying on the gravity coordination of the universal joint and the closed-loop feedback of the pressure sensor, the device can automatically complete the vertical alignment of the drill rod and dual intelligent straightening, significantly improving the verticality of the borehole and the exploration accuracy, and reducing the risk of swaying and stuck drill.

The embodiment of the application discloses a cross column processing device and a processing method. The device comprises a jig support plate, a door type suspension support frame, a vertical pressing jack and an angle adjusting jack. In the process of preparing the cross column, the H-shaped steel can be arranged on the jig support plate, the T-shaped steel is arranged on the H-shaped steel, the vertical section of the T-shaped steel is arranged on the horizontal section of the H-shaped steel, then the vertical pressing jack is started, the vertical section of the T-shaped steel can be closely combined with the horizontal section of the H-shaped steel, the gap between the vertical section of the T-shaped steel and the horizontal section of the H-shaped steel is greatly reduced, and the angle adjusting jack can be started. The angle adjusting jack can drive the T-shaped steel to rotate relative to the H-shaped steel, that is, the setting angle of the T-shaped steel can be adjusted. The cross column processed by the cross column processing device provided by the embodiment of the application has higher precision and more excellent performance, and the preparation efficiency of the cross column can be improved.

The present application relates to complex stratum pile foundation construction technology field, disclose a kind of riprapping stratum full casing rotary and rotary drilling combined hole construction method, comprising the following steps: leveling construction ground;Pile position lofting is carried out, and guiding positioning structure is set;First section casing with grouting passage is installed on full casing rotary drilling machine, grouting passage is used for grouting;Through full casing rotary drilling machine clamping casing, drive casing press into riprapping stratum, while rotary drilling carries out soil taking;Slurry is injected by grouting passage, and riprapping body outside casing is consolidated to form annular consolidated body;The elevation difference between the soil taking surface of rotary drilling and the bottom end of casing is controlled to be within the preset range, and the following protection wall is formed;Lengthen next section casing, and connect adjacent grouting passage;Until casing penetrates riprapping layer and main sand layer and enters lower stable layer.The present application can solve the problems of difficult riprapping stratum hole forming, easy hole collapse, easy grouting leakage and easy drill sticking.

The application discloses a single-knife digital three-side cutting paper cutting machine and belongs to the technical field of paper cutting machines. The paper cutting machine comprises a rack, a first conveying belt, a second conveying belt, a clamping assembly and a cutting assembly. The cutting assembly, the first conveying belt and the second conveying belt are arranged in the same direction and in a three-side half-enclosed layout, and a horizontal moving channel is formed in the middle. The clamping assembly is arranged in the horizontal moving channel and comprises a material taking sliding rail, a material taking screw rod, a sliding seat, a rotating mechanism and a material taking mechanism. The material taking mechanism can move along the horizontal moving channel and clamp materials. The rotating mechanism drives the material taking mechanism to rotate the materials by 90 degrees. The cutting assembly is used for sequentially completing three-edge cutting. The application solves the problems of poor positioning precision, low efficiency of manual rotation of the existing single-knife paper cutting machine, high cost and poor adaptability of traditional three-side cutting knives, realizes sequential cutting of books in a three-edge full-automatic, high-precision and high-quality mode, and has compact structure and is suitable for multi-variety batch production.

A kind of end face precision grinding rotary clamping positioning device suitable for cylindrical spring, it is specially used in the equipment of cylindrical spring end face precision grinding, including spring clamping positioning piece, cylindrical spring rotary clamping piece, center height automatic adjusting piece, installation rack, spring clamping positioning device, for spring clamping fixation to positioning V-shaped block;Cylindrical spring rotary clamping device, for realizing that spring end face grinding machine tool can rotate cylindrical spring in grinding process;Center height automatic adjusting device, for realizing automatic adjustment of cylindrical spring rotary clamping device center height;Installation rack, for installing spring clamping positioning tool, cylindrical spring rotary clamping device and center height automatic adjusting device, to help spring to be placed to spring positioning tool for the accurate positioning of spring, firmly support each device.

This invention relates to the field of quartz wafer manufacturing technology, and discloses a laser-induced etching process for quartz wafers and a quartz device. A hard mask is used to form a high-frequency (thin wafer), and laser-induced etching is employed to form the wafer outline. The quartz wafer processing can be completed in a single deposition and photolithography process, avoiding the multiple depositions of precious metal Au films required in photolithography, thus minimizing the amount of Au used and significantly reducing processing costs. Furthermore, quartz wafers processed using this process exhibit good side perpendicularity, high dimensional accuracy, and high quality and stability.

The disclosed etching method includes a process of forming a deposit on the first region and / or the second region by generating a plasma from a processing gas and etching the second region. The process includes processes (c1) to (c4). In process (c1), a source high-frequency signal having a first frequency is supplied during a first period. In process (c2), the power level of the source high-frequency signal is made lower than the first period during a second period that alternates with the first period. In process (c3), a bias high-frequency signal having a second frequency lower than the first frequency is supplied to the substrate support portion during a part of the first period. In process (c4), a sequence of voltage pulses having a third frequency different from the first frequency and the second frequency is applied to the substrate support portion during a part of the second period.

The utility model relates to building construction structure technical field especially is a kind of protective fence linear precision positioning tool, including support formwork main body, the support formwork main body includes several side plate assemblies, the side plate assembly between adjacent is assembled through connecting piece cooperation, the upper end of the support formwork main body is provided with positioning assembly, positioning assembly is limitedly provided with stand, and the side of the stand is provided with several supporting members;The side plate assembly includes several stainless steel side plates, each The stainless steel side plate is provided with butt joint structure, and the stainless steel side plate between upper and lower adjacent is matched butt joint through butt joint structure, the utility model is positioned by the cooperation of positioning assembly and supporting member, and the four side edges of stand are positioned and supported, avoid the influence that traditional manual pulling line positioning is affected by topography undulation, construction disturbance, significantly improve the perpendicularity of stand and the smoothness of overall linear, effectively satisfy the acceptance requirement that high-speed railway protective fence is smooth and straight and beautiful.

The utility model provides an automatic deviation correction drilling guide device for bridge and tunnel engineering anchor rod hole construction, and relates to the technical field of drilling guide. A base is mounted on the partition plate, a middle cylinder is mounted above the base, a top seat is mounted at the upper end of the middle cylinder and connected with the base through bolts, guide cylinders are mounted in the top seat, the middle cylinder and the base, bearings are mounted in the top seat, and the guide cylinders are sleeved with the bearings; by means of an automatic deviation rectifying structure composed of the lower fixing block, the elastic telescopic rod, the rail rod, the contact wheel and the like, when a drill bit deviates, the contact wheel is extruded to be in linkage with the elastic telescopic rod to reversely apply force to adjust the direction, and the drilling perpendicularity and precision are improved; dustproof rings and sealing rings in the base and the top seat form a multi-layer dustproof sealing structure, dust is prevented from entering the device, components are protected, the service life is prolonged, and the construction environment is improved; vibration impact is absorbed through a buffering and damping system composed of a buffering ring and a spring in the middle cylinder, and the drilling quality is improved.

The invention relates to the technical field of automobile stamping part welding, in particular to an automobile stamping part welding clamp which is characterized in that a clamping mechanism is arranged on a driving table, an assembling mechanism is arranged above the clamping mechanism, and a detection mechanism is arranged on the assembling mechanism; according to the device, stable horizontal limiting can be conducted on the middle of the spoke, vertical positioning can be conducted on the rim, unified concentric limiting can be conducted on the spoke and the rim, balanced downward pressure can be synchronously applied to the middle and the outer edge of the spoke, and even radial pressure can be synchronously applied to the inner side of the outer edge of the spoke; the assembly clearance between the two parts and the deformation state in the stress release process of the spoke can be effectively detected; effective rigid limiting can be carried out on all spatial degrees of freedom, possibly causing relative deflection, of the spoke and the rim; the spoke and rim assembly can be directly welded without being conveyed, transferred and secondarily clamped.

The utility model discloses a stamping part laser marking positioning tool which comprises a working table and a base arranged on the working table, a sliding block is arranged on the base, a concave pit is formed in the sliding block, when a product is placed on the base, a sinking table at the bottom of the product is exactly located in the concave pit, and a baffle is further arranged on the base. The baffle abuts against the rear side face of the product from the rear portion, a pair of push rods and a pair of positioning plates are further arranged on the base, through holes are formed in the positioning plates, the positioning plates are oppositely arranged on the base at intervals, the push rods exactly penetrate through the through holes of the positioning plates, and adjusting plates and springs are arranged on the sides, close to the baffle, of the push rods. The push rods are sleeved with the springs, the two ends of each spring abut against the adjusting plate and the positioning plate respectively, and the ends of the push rods abut against the front side face of the product. According to the tool, the perpendicularity consistency in the laser marking process is guaranteed, the placing and taking time of each product is shortened, and the product percent of pass and the production efficiency are improved.

The utility model relates to a discharging device for blade box cover production, which comprises a rack and a supporting plate rotatably supported on the rack, the supporting plate is provided with a plurality of groups of material collecting assemblies in a circumferential array along the geometric center, each material collecting assembly comprises a bearing plate, the bearing plate is provided with collecting positions, the number of the collecting positions is the same as that of blanking devices, and the collecting positions are arranged on the bearing plate. The collecting positions are used for collecting box covers placed along the discharging device, a plurality of box covers can be stacked on any collecting position, and when the number of the box covers stacked on the collecting positions reaches the maximum value, the bearing plate bears the multiple sets of material collecting assemblies to rotate along the machine frame. The blade box cover collecting device has the effect that the blade box covers obtained after production is completed can be conveniently collected.

The utility model discloses an integrated machine lens HR detection fixture. The detection fixture includes: the cavity of one end open, a plurality of limiting portions and a plurality of positioning holes are detachably arranged on the bottom surface of the cavity, the limiting portion is detachably connected to the bottom surface of the cavity, and can move up and down along the vertical direction of the bottom surface, the limiting portion is used for limiting the displacement of the lens in the vertical direction of the bottom surface when the lens is placed on the bottom of the cavity through the positioning hole. The application solves the problem that different fixtures need to be used for single lens and ICR two states of the lens, which leads to inaccurate detection, and AA residual glue lenses cannot be detected.

The utility model provides a rice planting irrigation device, which belongs to the field of rice planting irrigation, and comprises a support plate and a vertical column arranged on the support plate, and further comprises an irrigation mechanism arranged on the vertical column; the water level monitoring mechanism is slidably connected to the vertical column in a sleeving mode, the water level monitoring mechanism can detect the water level in the rice field, and timely irrigation can be conducted; the protection mechanism is connected to the vertical column in a sliding and sleeving mode, and the protection mechanism can protect the water level monitoring mechanism. Through the arrangement of the protection mechanism, an iron gauze cover can be driven to ascend and descend under the action of a second sliding sleeve and a second fixing bolt, and a floating ball can be sleeved with the iron gauze cover; the device can prevent weeds and floating objects in the rice field from interfering with the floating ball, so that the situation of misjudgment of the water level is avoided, the monitoring accuracy is improved, and accurate irrigation can be realized.

This invention relates to the technical field of steering gear housing positioning devices, specifically a five-axis linkage floating positioning precision machining device for steering gear housings. It includes a lifting mechanism, an in-housing positioning mechanism mounted on the lifting mechanism, a housing hole alignment mechanism mounted on the in-housing positioning mechanism, and a housing blank clamped within the in-housing positioning mechanism and the housing hole alignment mechanism. The in-housing positioning mechanism includes a column head, with a column installed inside the column head, and a second hydraulic component installed inside the column head. Four stabilizing pads arranged in a cross-shaped structure around the column head and column are positioned on the outside of the column head. With the operation of the second hydraulic component, the lifting and lowering of the slide block drives multiple outriggers to achieve linkage. Ultimately, the four evenly distributed stabilizing pads quickly calibrate and fix the inner arc groove of the inverted housing blank. The internally fixed housing blank avoids interference surface problems, facilitating improved surface machining accuracy and speed.

This utility model discloses an auxiliary tooling for welding and positioning hanging nails on the water-cooled wall of a waste incinerator. It features a positioning component that serves as a vertical and horizontal reference. The positioning component has adaptable grooves that mate with protrusions on the water-cooled wall, and the gap between adjacent grooves fits snugly against the surface of a recessed area on the water-cooled wall. The positioning component also includes magnetic blocks that can magnetically connect to the water-cooled wall, with these magnetic blocks spaced apart from the adaptable grooves. This solves the problem in existing technologies where operators cannot quickly and stably weld hanging nails to the water-cooled wall for subsequent stable installation of hanging plates.

The utility model relates to fan production technical field, especially a fan structure of three -phase motor. It includes base, axle, magnetic frame, ball bearing, stator, PCB board, impeller, axle is pressed in on the base, the impeller rotatable connection is established on the axle through ball bearing, the magnetic frame is connected on the impeller, the stator is connected on the base, the magnetic frame is located at the periphery of stator and mutually interval, the PCB board is connected on the base, the stator is equipped with pin foot, and the pin foot is consolidated after passing through the PCB board and is combined with the PCB board. The stator adopts the mode of metal pin foot insertion in the insulating frame, can be through the machine automatic division enameled wire mode and wind, saves manpower, can realize production automation, the iron shell and impeller press fit as a whole in the assembly structure, the axle and base are pressed together, compared with the mode that the axle and metal shell are combined, the axle and base combination length are longer, the concentricity and perpendicularity are high, the combination strength is strong, and the stability is good.

This invention relates to a brazed plate heat exchanger with limiting grooves, comprising a front end plate and a rear end plate. Between the front end plate and the rear end plate are several heat exchange plates and copper foil stacked sequentially at intervals. The edges of the heat exchange plates form plate limiting grooves. The flanges of the heat exchange plates are divided into plate sealing surface flanges and plate limiting groove flanges. The flanges of the copper foil are divided into copper foil flanges and copper foil flange gaps. The positions of the copper foil flange gaps correspond to the plate limiting grooves. When two adjacent heat exchange plates are stacked, the gaps between the plate sealing surface flanges contain copper foil flanges, while the gaps between the plate limiting groove flanges are empty of copper foil. During brazing, the copper foil flanges melt upon heating and simultaneously fill the gaps between the sealing surface flanges and the limiting groove flanges through capillary action. After the copper foil solidifies, a sealed heat exchange cavity is formed between two adjacent heat exchange plates. By setting the plate limiting grooves, the sliding distance between the heat exchange plates is reduced without affecting the sealing of the heat exchange plates, thus improving the neatness of the plate heat exchanger.

A high-speed railway track embedded sleeve accurate positioning tool comprises a positioning framework used for being erected and installed on a box girder reinforcing mesh, a plurality of threaded positioning holes allowing bolts to be screwed in are formed in the positioning framework, the center lines of the threaded positioning holes extend in the vertical direction, and the threaded positioning holes are the same as internal threads of an embedded sleeve in specification. According to the tool, self-locking positioning is achieved by screwing the bolts into the threaded positioning holes of the positioning framework, then the pre-embedded sleeves are screwed to the ends of the bolts for self-locking positioning, the positioning framework is installed on a box girder reinforcing mesh corresponding to the required point positions of the pre-embedded sleeves, each pre-embedded sleeve can be adjusted to the designed elevation position by adjusting the bolts, the perpendicularity is high, and the positioning accuracy is high. And the pre-embedded sleeves are linear and straight, so that the impact influence of concrete flow can be resisted in the concrete pouring process, and the modular mounting efficiency is high.

The utility model discloses a square billet tundish, and belongs to the field of molten steel casting. According to the technical scheme, the square billet tundish comprises a tundish body, a water feeding opening is formed in the bottom face of the tundish body, a sliding rail is arranged on the bottom face of the tundish body, the sliding rail passes through the position of the water feeding opening, a plumb bob assembly is installed in the sliding rail and comprises a hanging cable, and a heavy block is arranged at the lower end of the hanging cable. According to the tundish, the plumb bob assembly is arranged at the water gap position, when the water gap is positioned, the plumb bob assembly is moved to the position below the upper water gap, the hanging cable and the heavy block are placed into the lower water gap, water gap centering is judged according to the positions of the heavy block and the hanging cable in the lower water gap, operation is more convenient and visual, the centering effect is good, and safety is higher.

The utility model provides a kind of cutting mechanism for cable processing production, including rack, it is provided on it: upper cutter and the driving structure of driving upper cutter up and down movement;Lower cutter, it is below upper cutter, the blade surface of lower cutter and the blade mouth of upper cutter are staggered, the inside of lower cutter is set to front and rear through wire outlet channel;Wire feeding shaft rod, it is hollow inside and has wire outlet channel for cable circulation, wire outlet channel is communicated with wire outlet channel;Wire feeding structure, make cable flow into wire outlet channel, wire outlet channel and from the blade surface of lower cutter outwardly expose in turn along wire feeding shaft rod direction.This utility model sets up front and rear through wire outlet channel in the inside of lower cutter, cable enters wire outlet channel from the wire outlet channel of wire feeding shaft rod, and a section outwardly exposes, wire outlet channel is as the built-in guide structure of cutting point, it is circumferentially constrained to cable in cutting process, when cutting, upper cutter presses down and lower cutter produces staggered shearing force, and fast cutting action to cable is completed.

The invention discloses a refrigerator condenser pipe straightening and cutting device, and belongs to the field of pipe machining equipment. The device mainly comprises a machine table, and an unwinding frame, a straightening assembly, a feeding assembly, a clamping assembly and a rotary cutting assembly which are sequentially arranged on the machine table in the conveying direction; the rotary cutting assembly comprises a rotary cutting main disc and a wedge-shaped sleeve arranged on the periphery of the rotary cutting main disc in a sleeving mode, and the inner wall of the wedge-shaped sleeve is a conical face. Four pushing units are distributed on the end face of the main disc in a cross mode. According to the straightening and cutting device for the condenser pipe of the refrigerator, the distance between the pushing unit with the auxiliary pressing wheel installed on the inner side and the conical surface is set to be smaller than the distance between the pushing unit with the rotary cutting blade installed on the outer side, so that when the wedge-shaped sleeve axially moves, the auxiliary pressing wheel can be preferentially driven to tightly hold the condenser pipe to achieve rigid centering; and then the rotary cutting blade and the secondary pressing wheel are driven to cut off the pipe. The step-by-step time sequence action effectively eliminates mechanical vibration at the moment of feeding, solves the problems of beveling of pipe notches and compression deformation, and improves the forming quality of condenser pipes.

The utility model discloses a cutting device for power cable processing, which comprises a working table, a first chute is arranged at the top of the working table in a penetrating manner, a driving assembly is arranged at the bottom of the working table, a first screw rod is arranged at the bottom of the working table through the driving assembly, and the surface of the first screw rod is rotatably connected with a fixing plate. The fixing plate is fixedly connected with the workbench, the surface of the first screw rod is in threaded connection with a first moving plate, a clamping assembly is arranged at the top of the first moving plate, an adjusting assembly is arranged at the top of the workbench, a moving frame is arranged at the top of the workbench through the adjusting assembly, and a lifting assembly is arranged at the top of the moving frame. A second moving plate is arranged in the moving frame through a lifting assembly, and a cutting assembly is arranged on the second moving plate. And the cable is cut after being tightened, so that the cable can be kept in a linear state, and the length measurement error caused by bending or loosening of the cable in the cutting process is avoided.

The application discloses an automatic cutting equipment for aluminum bar production and relates to the technical field of aluminum bar production cutting. The automatic cutting equipment comprises a cutting equipment body, the cutting equipment body comprises a supporting material guiding seat, a cutting seat is arranged on the top wall of the supporting material guiding seat, a band saw is arranged on the cutting seat, and the automatic cutting equipment further comprises a conveying mechanism arranged on the left and right sides of the cutting equipment body, a circumferential limiting mechanism arranged on the cutting seat and symmetrically located on the left and right sides of the band saw, and an end limiting mechanism arranged on the upper end of the cutting seat and used for internally supporting the head and tail ends of the bundled aluminum bars. The circumferential limiting mechanism and the end limiting mechanism are cooperatively matched, the multiple rigid constraints on the bundled aluminum bars are realized, the stability of the cutting process is improved, the end face flatness and the perpendicularity are significantly improved, and the quality defects such as burst and tearing caused by vibration are effectively avoided. Through the two working modes of the end limiting assembly, the cutting demands of the bundled aluminum bars of different specifications are met, and the equipment utilization and production flexibility are improved.

The utility model discloses welding equipment for sheet metal part machining. The welding equipment comprises a workbench, a linear module fixed to one side of the workbench, a welding gun arranged on a sliding part of the linear module, two baffles fixed to the top of the workbench and perpendicular to each other, a welding opening formed in the extending intersection position of the two baffles and two supporting plates. The two supporting plates are fixed to the tops of the two baffles correspondingly, a top plate is fixed between the two supporting plates, and a pressing mechanism is fixed to the bottom of the top plate. By arranging the pressing mechanism, the bottom of the box is pressed by the pressing block, meanwhile, the side walls of the box are pressed by the clamping plates, the two adjacent side walls of the box are kept perpendicular to each other, follow-up welding work is facilitated, and the defective rate of box welding can be reduced.

The utility model belongs to the field of building construction, and discloses a punching filling pile device which comprises a pile casing, an impact hammer and a steel cable connected with the impact hammer. The upper end and the lower end of the pile casing are open, the upper end of the pile casing is detachably connected with a limiting plate, a limiting hole is formed in the limiting plate, and the limiting hole and the pile casing are coaxially arranged. The upper end of the impact hammer is fixedly connected with a first guide rod coaxially arranged, the first guide rod is hollow, the upper end and the lower end of the first guide rod are open, and the first guide rod sleeves the steel cable; the end, away from the impact hammer, of the first guide rod is detachably connected with a coaxially-arranged second guide rod, the second guide rod is hollow, the upper end and the lower end of the second guide rod are open, and a first through groove allowing a steel cable to penetrate through is formed in the peripheral wall of the second guide rod; and through cooperative arrangement of the limiting plate, the first guide rod and the limiting hole, the guidance quality of the impact hammer in the falling process is effectively improved, the problems that the impact hammer deflects and even collides with a pile casing due to shaking of a steel cable are solved, and the hole forming perpendicularity is improved.

The application relates to the technical field of infrastructure, and proposes an integrated pile machine with an edge pile planting function for solving the problem of edge pile planting; a detachable edge pile planting device for planting piles close to obstacles is arranged on the front of the upright column on the chassis; a walking mechanism capable of moving quickly in the left-right direction and slightly in the front-back direction is arranged below the chassis; the edge pile planting device comprises a base, a lifting seat, a plurality of first clamping blocks, a lifting piston cylinder and a first clamping piston cylinder; the base is in the shape of a rectangle which is narrow in the front-back direction and wide in the left-right direction; four upright columns are arranged on the four corners of the base; the lifting seat is arranged above the base; a cross beam is connected to the top of the upright column; installation channels are arranged in the front end and the rear end of the lifting seat below the cross beam; the cylinder body of the lifting piston cylinder is fixedly arranged in the installation channel; and the free end of the piston rod of the lifting piston cylinder is fixedly arranged on the cross beam.

A high-precision full-automatic tool magazine precision engraving machine relates to the technical field of precision engraving machine equipment. The rear end of the marble base is provided with left and right translation shaft assemblies, and the upper and lower lifting shaft assemblies are arranged on the left and right translation shaft assemblies. The front and rear translation shaft assemblies are arranged on the marble base, and the automatic tool magazine assembly is arranged on one side of the front and rear translation shaft assemblies. The rear side of the marble base is provided with a cutting fluid filtering and circulating assembly adjacent to the left and right translation shaft assemblies. The automatic tool setting instrument is arranged on the side away from the automatic tool magazine assembly. High-precision servo motors drive high-precision lead screws to realize linear engraving. The high-precision marble platform greatly improves the perpendicularity and flatness of the platform, thereby improving the machining precision, meeting the requirements of precision parts and fine surfaces, and having the functions of automatic tool changing and tool setting. It can quickly switch between different shape requirements of workpieces, and can also filter and circulate the cutting fluid in multiple layers, reducing the operation manpower and cost.