63results about How to "Avoid processing errors" patented technology

The invention relates to a positioning method for machining a workpiece and an automatic clamp thereof, wherein the positioning method comprises the following steps: A) selecting a reference surface of the workpiece; B) setting a reference plate, wherein the shape of the surface of the reference plate, which corresponds to the workpiece is in fit with the shape of the reference surface of the workpiece; C) setting a limiting block which is used for limiting the degree of freedom of the workpiece in the corresponding direction; and D) using a movable positioning block to push and press the workpiece to enable the workpiece to abut against the reference plate and form the surface contact. The automatic clamp mainly comprises the reference plate, a limiting part, a supporting part, the movable positioning block and a power system thereof. The automatic clamp for the positioning method can be used for positioning the workpieces in complex shapes or multi-position machining, the clamping is firm and reliable, and the problems of machining errors and the like caused by the deformation of the workpieces can be further avoided.

The method can make the base station node and user end capable of synchronously realizing the discrete transmission of uplink DPCCH. In the invention, when user end has no data to upload to base station, it sends the control message used for starting discrete transmission through E-DPCCH; the base station synchronizes its own discrete receiving function with the DTX of user end; wherein, the control message can be gotten from the idle value and be a designated value of E_TFCI in the newly-added data transmission block assembly.

The invention discloses a cutting clamp capable of changing the clamping face and capable of automatically recovering, and relates to the technical field of cutting. The clamp comprises a base, the middle of the base is rotatably connected with a screw penetrating and extending to the right side of the base, the right side of the screw is fixedly connected with a hand wheel, and screw blocks are in threaded connection to the two ends of the screw. For the cutting clamp capable of changing the clamping face and capable of automatically recovering, through cooperation use of movable blocks and clamping blocks, when the material is clamped, two clamping rods can move towards the middle, the moving blocks are in contact with the material, each movable block can move towards the interiors of the clamping rods according to the shape of the material, when telescopic blocks are extruded into the movable block, meanwhile, the clamping blocks are engaged with gears, the positions of the movableblocks are fixed, the shape of the clamping face is attached to the shape of the material, the shape changing effect is achieved, the moving of the material on the clamping face is avoided, the machining failure caused by material sliding is avoided, and production cost is reduced.

The invention relates to an intelligent management system of a tool machine and a management method of the intelligent management system. The intelligent management system and the management method are used for detecting a machining tool and storing tool parameters obtained by detection into an electronic tag attached to the tool, and the tool is placed in a tool placing seat of a tool magazine ofthe tool machine, a reader installed in the tool machine is used for receiving information in the electronic tag on the tool located at a tool taking position in a non-contact mode, and when the reader judges that the information in the electronic tag does not accord with information in a machining program instruction, a controller sends a control instruction to enable the tool machine to be stopped or drive the tool magazine to operate, and the correct tool is brought to the tool taking position in order to continue the machining procedure.

The invention discloses a novel sliding door used for a numerical control machine tool. The novel sliding door comprises a door panel, a square hole, an observation window, a connecting block, a miniature air pump, a connecting air tube, a brush, a sliding block, a connecting plate, a first sliding groove, a straight tube, an air blowing tube, a pulling rod, a second sliding groove, a fixing stripplate, a first magnet, a spring, a connecting rod, a through hole and a second magnet. According to the novel sliding door used for the numerical control machine tool, the structure is reasonable, design is novel, the observation window can be effectively cleaned through the brush and the miniature air pump, waste scraps generated during machining and a coolant sputtered to the observation windowcan be removed, clean of the observation window is ensured, so that a staff clearly watches machined workpieces, and the situation that machining errors caused by unclear observation of the staff isavoided; impact to the observation window due to cutter breaking of the machine tool can be reduced through the spring and the connecting block, damage to the observation window is reduced, protectionof the staff by the sliding door is enhanced, and the service life of the observation window is prolonged.

The invention discloses a fixing device for processing of a housing of a micro energy-saving servo motor. The device comprises a base, wherein a storing platform is fixedly connected to the top part of the base; a left moving supporting column and a right moving supporting column are correspondingly movably connected to the inner part of the base; a rotating shaft is fixedly connected to the innerpart of the base through a bearing; a gear is fixedly connected to the outer wall of the rotating shaft; an upper rack and a lower rack are correspondingly engaged with the outer surface of the gear;a limiting plate is fixedly connected to the inner part of the base; the upper rack and the lower rack are movably connected into the limiting plate; and the upper rack is fixedly connected to the side surface of the left movable supporting column. According to the device, the storing platform, a clamping plate and a movable clamping plate are arranged, so that the motor housing can be effectively fixed, and the problem that the motor housing displaces due to poor stability in processing, resulting in inaccurate processing can be avoided; and meanwhile, the processing quality of the motor housing is improved.

The invention discloses a processing technology for processing fasteners. The processing technology comprises the following steps: (1) a long pipe is installed in an automatic pushing and cutting lathe in a pipeline system and is fixed by a pneumatic chuck; (2) the automatic pushing and cutting lathe is started, and the long pipe is cut into a plurality of fasteners by a cutting tool; (3) the cut fasteners fall into a blanking plate and slide into a hopper of a lifting machine through the blanking plate; (4) after the fasteners in the hopper reaches a certain quantity, the lifting machine is started, and the fasteners in the hopper are lifted to a proper working height and then sent into a feeding barrel; (5) the fasteners in the feeding barrel are sent into a fastener processing machine on the left side surface through a first feeding channel; (6) the fastener processing machine carries out automatic clamping and surface machining on the fasteners, and double-surface conversion processing of the fasteners is realized through a surface convertor in the processing process; and (7) the fasteners after processing are transferred to a vertical type double-side milling machine, and the two outer ends of the fasteners are processed into a plane shape through the vertical type double-side milling machine.

The invention discloses a sticky note printing technology. The sticky note printing technology comprises the following specific manufacturing processing steps: a, selection and analysis of a manuscript: the manuscript is the original ground of a printed image copying process, selecting graphics and text information in a material object or a carrier; b, design and production and proofing: using a scanned picture or a picture document of a graph library for design and production; c, carrying out proofing when a film is printed to add colors during printing; d, selecting proper printing stock inkand carrying out printing by way of flexography; and e, later period processing technology: binding, folding, covering, commonly cutting and pasting the printed sticky note to finish processing. Thesticky note printing technology provided by the invention is energy-saving and environment-friendly in the whole production process course, the printing process is environment-friendly, and the pattern is clear and bright and lasting and can be transferred to products of any materials. The sticky note printing technology is particularly suitable for processing the sticky note, and the whole production process is relatively high in efficiency.

The invention discloses a clamp for machining an engine cylinder oblique water hole and a machining method. The clamp can be integrally mounted on a carrier mechanism and comprises a bottom plate, twosupporting columns and a clamping mechanism, the supporting columns are arranged on the bottom plate, the clamping mechanism is connected to the supporting columns, can clamp an engine cylinder body,and further can rotates the engine cylinder body to a predetermined angle; the two supporting columns are oppositely fixed to the two ends of the bottom plate, and rotary mechanisms are arranged on the supporting columns on the two sides; and the clamping mechanism comprises a supporting plate, a compression assembly and connecting vertical plates vertically mounted at two ends of the supportingplate, the connecting vertical plates are connected with rotary shafts of the rotary mechanisms, and the clamping mechanism can be driven by the connecting vertical plates to rotate by a certain anglewith the rotary shafts of the rotary mechanisms as the centers.

The invention discloses an indoor wall-removing device which includes a right-angle base plate. The end face of the right end of the horizontal side of the right-angle base plate is provided with a hidden cavity with a rightward opening, a sliding contraction plate is fixedly connected into the hidden cavity, a right-angle docking plate is fixedly connected to the right end of the sliding contraction plate, a groove with an upward opening is formed between the right-angle docking plate and the right-angle base plate, a motor is embedded in the inner wall of the right side of the right-angle base plate, a driving shaft extending left and right is arranged at the tail end of the right end of the motor, and a horizontal moving device is arranged on the driving shaft; and the upper end of thehorizontal moving device is in sliding fit with a drill bit box in a connected manner. The indoor wall-removing device is simple in structure, mechanical fixed-point movement makes drilling positioning more precise, and safety of the wall face whole structure is ensured through wall disassembling after array drilling.

The invention provides a combined clamp for machining holes in multiple faces through CNC. The combined clamp comprises a clamp A and a clamp B. The clamp A is provided with a clamp bottom plate. A clamp main plate is arranged above the clamp bottom plate. Two fixing units are arranged on the upper surface of the clamp main plate. The fixing units specifically comprise small bosses, locating pins and M6 locking screws which are arranged on the upper surface of the clamp main plate. The clamp B is provided with a clamp main plate, and the right of the clamp main plate is sunken downwards to form a locating groove. An anti-reverse pin is arranged in front of the locating groove, and an anti-reverse pin is arranged on the rear portion of the locating groove. Pressing plates are arranged at the left end and the right end of the locating groove. The pressing plates are fixed to the clamp main plate through M12 fixing screws. The two clamps are adopted for forming the combined clamp, deformability of workpieces is controlled, the situation that due to the clamping mode, the hole-site size of parts is poor and the machining positions of the holes are wrong is avoided, the anti-reverse pins are additionally arranged on the clamp B, the situation that the machining positions of the holes are wrong is avoided, the holes in the two faces can be machined at a time without using two clamps, the production efficiency is improved, and the production time is shortened.

The invention discloses a linear product clamping and guiding tool and high-speed marking equipment. The linear product clamping and guiding tool comprises a support mechanism, preliminary vertical positioning and guiding wheel sets, a vertical guide wheel, a transverse positioning rotary column group and a vertical tightening wheel set, wherein the preliminary vertical positioning and guiding wheel sets are arranged in a bilateral symmetry manner; and the preliminary vertical positioning and guiding wheel sets, the vertical guide wheel, the transverse positioning rotary column group, the vertical tightening wheel set and a width adjustable routing mechanism are arranged in sequence from the end to the interior. The high-speed marking equipment comprises an equipment cabinet, a light source up and down lifting device, a front and rear moving platform, a laser light source, a laser head and the product clamping and guiding tool. The high-speed marking equipment can improve the stabilityof the running track of flight assembly lines such as pipe bodies and wire rods during laser marking, improves the quality of the high-speed laser marking, and can realize the online editing of the marking content.

The invention discloses a quick-change drawer tool magazine. The quick-change drawer tool magazine comprises a tool magazine sliding table used for moving the tool magazine and a plurality of drawer units connected to the tool magazine sliding table. The drawer units comprise brackets and knife holders movably connected with the brackets, and the knife holders can be rapidly and safely replaced in a non-working state. According to the quick-change drawer tool magazine, the tool magazine can move in the non-working state of a machine tool main shaft, the whole tool magazine replacing process is carried out outside the machine tool, and compared with tool replacing operation carried out in a tool working area in the machine tool in the prior art, the safety of the tool replacing operation environment is improved; and the brackets and the cutter holders form a drawer structure, the cutter holders can be integrally replaced, the replacement speed is high, the shutdown cutter replacement time is shortened, the utilization rate of the machine tool is improved, the cutter replacement frequency is reduced, the service life of the main shaft is prolonged, and the cutter holders can be conveniently and thoroughly cleaned offline.

The invention relates to a hot pressing die for wood embossing. The hot pressing die comprises a pressing template and a bearing plate matched with the pressing template, wherein the pressing template is parallel to the bearing plate; two opposite surfaces of the pressing template and the bearing plate are respectively a pressing template working surface and a bearing plate working surface; a working region for accommodating wood is arranged on the bearing plate working surface; a convex die for embossing patterns is arranged on the pressing template working surface. By the mode, the invention provides the hot pressing die for the wood embossing; figures or the patterns on the surface of the wood are formed and processed by a die-pressing mode. The hot pressing die comprises the pressing template and the bearing plate, and the pressing template and the bearing plate can be matched with each other to punch the wood. Furthermore, the working temperature of the hot pressing die can be guaranteed, so that the punching quality can be guaranteed, and processing errors are avoided.

The invention discloses an identification control method and device of a semiconductor technical segment. The method comprises that description information of a workpiece to be dispatched is obtained, and the description information comprises a Recipe_ID of the workpiece to be dispatched; correspondence between preset Recipe_IDs and a machine Recipe is obtained, a machine included by the machine Recipe corresponding to the Recipe_ID of the workpiece to be dispatched is determined according to the Recipe_ID of the workpiece to be dispatched, and the machine Recipe includes a technical attribute of a technical segment corresponding to the workpiece to be dispatched; and the workpiece to be dispatched is dispatched to the machine, and the machine is controlled to process the workpiece to be dispatched according to the technical attribute of the technical segment corresponding to Recipe_ID of the workpiece to be dispatched. Thus, the machine is prevented from identification mistakes of the technical segments during processing, processing errors of the machine are avoided, and the processing efficiency of the machine and the yield of products are improved.

The invention provides a mistake-proofing tool for connecting piece machining. The mistake-proofing tool for connecting piece machining is simple in structure, and can effectively prevent a workpiecefrom being clamped by mistake or prevent a tool from being used by mistake so that a machining error of the workpiece is avoided; and therefore, the machining accuracy and the production efficiency are improved, and the production cost is effectively reduced. The mistake-proofing tool for connecting piece machining comprises a base; a first supporting plate and a second supporting plate are oppositely arranged on the base; a fixed V-shaped block and an adjustable V-shaped block are respectively arranged on the two sides of each of the first supporting plate and the second supporting plate; theouter side wall of each fixed V-shaped block is connected with an outline sample plate; each outline sample plate is V-shaped; and the taper of each outline sample plate is smaller than or greater than that of the corresponding fixed V-shaped block.

The invention relates to a pipeline connecting piece manufacturing and forming method which mainly comprises the following steps of equipment inspection, pipe fitting installation, internal thread machining and finished product inspection. Pipe fitting connecting piece internal thread machining equipment comprises an installation frame, a fixing sleeve piece and forming sleeve pieces, the fixing sleeve piece is installed on the installation frame, and the forming sleeve pieces are symmetrically arranged at the two ends of the fixing sleeve piece. The pipeline connecting piece manufacturing andforming method can solve the following problems existing in internal thread machining forming of an existing pipe fitting connecting piece. The problems include that a, during internal thread machining forming of the existing pipe fitting, the pipe fitting often shakes, so that the position deviates during internal thread machining, the situation of internal thread machining failure is caused, the pipe fitting is scrapped, and raw materials are wasted; and b, when the existing pipe fitting is subjected to internal thread machining, an internal thread turning blade is often subjected to the action of large force, then the position of the blade deviates, the size of a thread is changed, and the product quality is affected.

The invention relates to the technical field of sponge stick automatic production lines, and discloses a sponge stick production line. The sponge stick production line comprises a material transportation mechanism, wherein a sponge cutting mechanism, a hole burning mechanism, a glue injection mechanism and a stick insertion mechanism are sequentially installed on the material transportation mechanism from the left to the right, the material transportation mechanism comprises a support frame, a drive transmission wheel, a driven transmission wheel and a mold transmission belt, the drive transmission wheel is installed on a frame body on the left side of the support frame, and connected with a drive motor, the driven transmission wheel is installed on a frame body of the right side of the support frame, the mold transmission belt is installed between the drive transmission wheel and the driven transmission wheel in a transmission mode, the mold transmission belt is inserted into one sideof a first frame, and a pressure air cylinder is installed at the top of the first frame. The sponge stick production line enables all the mechanisms to automatically link and cooperate, greatly improves processing efficiency of products, saves human cost of multiple procedures, and meanwhile improves product processing field, and avoids processing error existing in manual operation.

The invention discloses automatic plate cutting, bending and welding equipment, and belongs to the technical field of automatic machining equipment. The automatic plate cutting, bending and welding equipment comprises a first carrying robot body and a first carrying gripper, the upper portion of a gripper mounting base frame is connected with a tail end flange of the first carrying robot body, and a suction mechanism is mounted on the lower portion of the gripper mounting base frame. Grabbing mechanisms are located on the two sides of the suction mechanism correspondingly, the suction mechanism sucks plates from a plate feeding warehouse and places the plates on a transplanting workbench, the transplanting workbench conveys the plates into a laser cutting robot for machining, and the grabbing mechanisms on the two sides get close to each other to grab the cut plates and place the cut plates on a transfer platform. A bending robot is used for conveying cut finished products from the transfer platform to a bending machine to be bent, then the bent finished products are placed in a welding transfer frame, and a welding robot is used for welding the bent finished products positioned on welding tool tables. The equipment can realize automatic cutting, bending and welding of the plates, and is high in production continuity.

The invention discloses a novel rapid fixture. The novel rapid fixture comprises a right-angle flange, a U-shaped handle, a horizontal press handle, a base and a buffer mechanism, wherein round mounting holes are formed in four corners of the base, and the right-angle flange is arranged on the base and fixedly welded with the base; a clamping groove is formed in the U-shaped handle which is mounted on the right-angle flange through the clamping groove, the U-shaped handle is in riveting joint with the right-angle flange through a rivet, and the U-shaped handle is fixedly wrapped with a glove; a guide groove is formed in the horizontal press handle which is arranged on the right-angle flange, and the horizontal press handle in riveting joint with the right-angle flange through the rivet; a fixing clamp is arranged in the guide groove of the horizontal press handle, a stud is arranged on the fixing clamp, and a press disc is arranged at the bottom end of the stud. The novel rapid fixture is simple in structure and good in stability, the maximum pressing strength can reach 550 KG, and machining errors caused by workpiece shake in a machining process can be avoided.

The invention discloses a laminated glass sheet separating and taking-out mechanism. The mechanism comprises a platform, a material taking plate is arranged on the platform and can slide back and forth relative to the platform, a raw material box for loading multiple layers of glass sheets is fixedly arranged on the platform, the raw material box is located above the material taking plate, the multiple layers of glass sheets are supported at the top of the material taking plate, the raw material box comprises an outlet clamping plate located on the front side, a gap capable of allowing one piece of glass sheet to penetrate out is formed between between the outlet clamping plate and the material taking plate, a bearing part and an adsorption part capable of forming negative air pressure areformed at the top of the material taking plate, the adsorption part is located at the front end of the bearing part, the glass sheets are adsorbed on the adsorption part through the negative air pressure generated by the adsorption part, and one single glass sheet is sent out of the raw material box by driving the material taking plate to slide forwards. The mechanism has the advantages that onesingle glass sheet can be accurately sent out, non-stop feeding can be realized, and the production efficiency can be improved.

The invention discloses machining equipment with a welding seam detection function for a U-shaped tee joint. The machining equipment comprises a chassis, a cam divider is arranged above the chassis, a bottom plate is arranged above the cam divider, a main shaft is arranged above the bottom plate, supporting rods are arranged on the periphery of the main shaft, a rotating disc is arranged above the supporting rods, and four clamps are arranged above the rotating disc. A material placing plate is arranged on the left side of the rotating disc, a material pushing plate is arranged above a material placing groove, a material storage bin is arranged above a material pushing rod, a drilling machine is arranged on the left side of a spray gun, a push rod is arranged on the left side of a base, a mechanical arm is arranged in front of the rotating disc, a welding machine is arranged above a mechanical claw, and a detection box is arranged on the right side of the rotating disc. Compared with existing common U-shaped tee joint machining equipment, the machining equipment with the welding seam detection function for the U-shaped tee joint has the advantages that machining procedures are simplified, equipment parts are reduced, and machining efficiency and product quality are improved.

The invention discloses a fiber spinning and winding processing structure, and relates to the field of spinning and winding structures. The structure comprises that tows pass a tow pressing rod, a pre-network nozzle, a first tow roller mechanism, a second tow roller mechanism, a tow guiding hook, a pulling rod, a tensioning roller and a winding head in sequence; the tows pass a second separating roller in the second tow roller mechanism and then pass through the tow guiding hook to enter the winding head; a tow broken alerting mechanism is arranged in the path where the tows are conveyed from the second separating roller to the tow guiding hook; the tow broken alerting mechanism consists of a crochet hook, a spring, a micro switch and an alert lamp; the tows are hooked by the front end of the crochet hook, and the spring is mounted at the back end of the crochet hook in a sleeving mode; the micro switch is further arranged on the axial back side of the crochet hook; the distance between a touch piece of the micro switch and the tail end of the crochet hook is not larger than the deformation length of the spring; a circuit of the alert lamp is controlled to switch on by the micro switch; the tensioning roller is further arranged between the tow guiding hook and the winding head and driven by a frequency modulation motor; the tensioning roller rotates to drive two branch rollers to wind the tows.

The invention belongs to the technical field of automatic production. The invention discloses an intelligent visual welding device. The intelligent visual welding device comprises a workstation, a feeding workbench, a welding workbench, a carrying industrial robot, a welding industrial robot and a visual system. The visual system identifies the needed workpiece according to the requirement, transmitted by the workstation, on the workpiece needing to be identified, a workpiece coordinate is generated and conveyed to the workstation, and the workstation transmits an instruction to enable the carrying industrial robot to carry and the welding industrial robot to weld. The intelligent visual welding device has the following beneficial effects: 1, the visual system can judge whether the workpiece on the feeding workbench is the to-be-processed workpiece or not, so that processing error during automatic processing is avoided; 2, the placing position of the workpiece on the feeding workbenchdoes not need to be strictly limited, the requirement on the previous process is loose, and error generated by position error can be avoided; and 3, operators who perform feeding and discharging on site are reduced, labor cost is reduced and expenditure is saved.

The invention discloses production equipment with a hole diameter detection function and for an exhaust manifold interface flange. The production equipment comprises a bottom disc, a material containing plate is arranged on the upper left portion of the bottom disc, a material pushing plate is arranged on the right portion of a material pushing rod, a half gear is arranged on the right portion ofa material storage bin, multiple rolling shafts are arranged above the half gear, and a motor is arranged on the right portion of the half gear. A lifting rod is arranged above a transverse plate, a first mechanical arm is arranged above a baffle, an edge grinding machine is arranged at the right end of the first mechanical arm, a hydraulic rod is arranged on the right side of a calibrator, four pressing columns are arranged on the lower surface of a pressing plate, a telescopic rod is arranged on the right portion of the lifting rod, a second mechanical arm is arranged above a mechanical hand, and a positioner is arranged on the right side of a hole cutting machine. Compared with existing common exhaust manifold interface flange production equipment, by means of the production equipment with the hole diameter detection function and for the exhaust manifold interface flange, the machining precision during product machining is improved, and the machining efficiency and the product quality are improved.

The invention discloses machining equipment with a spraying function for special-shaped gaskets. The machining equipment comprises a base plate, a material containing plate is arranged above the base plate, a material containing groove is formed in the upper surface of the material containing plate, a material pushing rod is arranged on the left side of the material containing groove, a material pushing plate is arranged above the material pushing rod, and a material storage bin is arranged above the material pushing plate. A hydraulic rod is arranged below a cross beam, a bottom die is arranged below the pressing die, a cam divider is arranged on the left side of a waste frame, a main shaft is arranged above a bottom plate, a rotating disc is arranged above a supporting rod, a first mechanical arm is arranged in front of the rotating disc, and a positioner is arranged on the right side of a grinding machine. A spraying box is arranged on the right side of the rotating disc, and a second mechanical arm is arranged behind the rotating disc. Compared with existing common special-shaped gasket machining equipment, the machining equipment with the spraying function for the special-shaped gaskets has the advantages that the machining procedures are simplified, and the machining efficiency and the machining quality of materials are improved.

The invention discloses production and processing equipment with an excess material recycling function for a special-shaped cover plate of an engine. The production and processing equipment comprisesa frame, wherein a storage bin is arranged at the left upper end of the frame; convex blocks are arranged below guide rails; support plates are arranged below trays; a first motor is arranged at the right parts of cams; a full gear is arranged above a half gear; a female mold is arranged above a turning wheel; a pressure sensor is arranged above a heating pipe; a hydraulic rod is arranged above amale mold; a recycling bin is arranged at the right part of the half gear; an extrusion opening is formed in the upper part of a material guide plate; heating modules are arranged in an extruder housing; a stirring shaft is arranged in a cavity; and a second motor is arranged at the left sides of telescopic rods. Compared with existing common engine cover plate processing equipment, the productionand processing equipment with the excess material recycling function for the special-shaped cover plate of the engine has the advantages that materials can be recycled, and resource waste is avoided.

The invention discloses a scribing device for a ship plate beveling stage in shipbuilding, comprising a sliding plate and a baffle plate perpendicularly fixed to the side edge of the sliding plate, wherein a hollowed-out groove penetrating from the top to the bottom is formed in the baffle plate, a sliding scale plate is embedded into the hollowed-out groove, a clamping groove is longitudinally formed in the end surface of the baffle plate; and the sliding scale plate is locked and fixed through a fastener penetrating through the clamping groove. The scribing device can be used for scribing the edge machining welding groove in shipbuilding, can guarantee the accuracy of the scribing position at the root of the welding groove, can effectively guarantee the machining precision of the welding groove, avoids a phenomenon that the welding groove is machined mistakenly due to factors such as work errors of operators or inaccurate scribing on a construction site, reduces the possibility of subsequent plate replacement, and effectively improves the construction precision of plate splicing and segmentation.