23results about How to "High marking accuracy" patented technology

The application relates to the field of crack detection, and discloses a tunnel lining surface crack detection device and a method thereof, which comprises a moving base, end frames are symmetrically arranged at the top end of the moving base, half-ring type guide rods are symmetrically arranged between the two end frames, a crack detection assembly is arranged on the half-ring type guide rods, a hook is arranged on the moving base, the crack detection assembly comprises a sliding base, two guide grooves are symmetrically arranged on the sliding base, the two half-ring type guide rods are respectively arranged on the inner sides of the two guide grooves, a sliding driving assembly is connected to the bottom end of the sliding base, a circular table is fixedly arranged at the top end of the sliding base, an annular groove is arranged in the circumferential direction of the circular table, and a visual detection piece is arranged at the top end of the circular table. The visual detection piece is driven to move along the tunnel width direction by the sliding base moving along the half-ring type guide rods, the tunnel lining is visually detected, the crack position is marked by a crack marking module, and subsequent workers are facilitated to position.

The invention provides a method for improving the positioning and scribing precision and speed of a pipe saddle opening in the field of pipelines. Comprising the following steps: step 1, selecting an adaptive porous saddle ring according to the sizes of a pipe and a saddle opening, and manufacturing corresponding laser, a center hole positioning block and a center hole positioning ring according to the porous saddle ring; 2, a porous saddle ring is located at a pipe saddle opening, a center hole positioning ring is assembled to a laser and center hole positioning block, the laser and center hole positioning block is contained in the porous saddle ring, a laser emitter is assembled in the middle of the laser and center hole positioning block, and a corresponding number of pressing type punchers / pens are selected; thirdly, the laser and center hole positioning block is fixed to the pipe to be machined; and 4, point position marking is conducted by means of laser and the center hole positioning block in combination with a laser emitter, a pressing type puncher / pen and a center hole positioning ring, a line is formed after marking, the saddle opening is positioned, and the line marking process is finished. And the positioning and scribing precision and speed of the saddle opening are improved.

This application belongs to the field of measurement technology, specifically a high-precision angle measuring device. The invention proposes a high-precision angle measuring device in which light emitted from a light source 1 (white LED) is directly projected onto a fan-shaped optical code disk. The fan-shaped optical code disk uses a virtual rotating axis, and the barcode image on the fan-shaped optical code disk is directly projected onto a linear array sensor. The acquired barcode digital image is sent to a microprocessor for decoding to obtain the angle value. This device achieves a high-precision angle measurement of 0.001° while also being small in size, perfectly solving the shortcomings of existing methods and achieving high precision and low cost.

The utility model discloses a full-automatic profile lineation device which comprises a fixed frame and a movable frame which are arranged on a profile to be lineated, a pull rope displacement sensor is arranged on the fixed frame, and the movable frame is in sliding connection with an installation groove of the surface to be lineated of the profile. The two sides of the bottom of the movable frame are provided with movable wheels connected with the two adjacent side walls of the to-be-marked face of the sectional material, the top of the movable frame is provided with a pull rope fixing device connected with the pull rope displacement sensor, the movable frame is further provided with a supporting arm extending towards the front side, and the supporting arm is provided with a push-pull type electromagnet. A push rod of the push-pull type electromagnet is connected with a seal located above the to-be-marked face of the profile, the signal output end of the pull rope displacement sensor is electrically connected with the signal input end of the PLC, and the control output end of the PLC is electrically connected with the control input end of the push-pull type electromagnet. The marking device is simple in structure, convenient to use, high in marking precision and high in speed, and the overall assembly efficiency of the biological detection equipment is effectively improved.

The invention discloses a metal profile component cutting design method and a metal profile component welding method. The metal profile component cutting design method comprises the steps that a pre-assembly model of a profile component is established in three-dimensional software; designing a size modeling cutting scheme of each profile component according to the pre-assembled model; mutually matched combined structures are designed at the combined positions of the profile components; at the contact position of the two profile components, a mark is arranged on the surface of the other profile component along the edge of one profile component; coherent marks are arranged on the surfaces of other profile components along the edge of one profile component at the contact positions of the multiple profile components; the machining method has the beneficial effects of being high in machining efficiency and precision, and the machined profile component can be conveniently assembled and welded.

The invention discloses a double-sided laser marking machine for denim production, and relates to the technical field of denim production, the double-sided laser marking machine comprises a processing table, a support frame and a top plate, and further comprises two positioning mechanisms arranged at the top of the processing table, each positioning mechanism comprises a first L-shaped frame body, a second L-shaped frame body and four fixing mechanisms, according to the double-sided laser marking machine for denim production, the two sets of positioning mechanisms are arranged on the machining table, so that denim can be vertically clamped and alternately moved to the marking position, the positioning mechanisms are arranged on the machining table, the positioning mechanisms are arranged on the machining table, and therefore the denim production efficiency is improved, and the working efficiency is improved. Double-sided marking can be conducted on denim through laser marking heads arranged on the two sides, marking can be completed without turning over back and forth, the machining efficiency is improved, time and labor are saved, the position and angle of a clamping plate can be adjusted through an adjusting assembly and a rotating assembly in a positioning mechanism, denim of various shapes can be clamped conveniently, and the working efficiency is improved. And the application range is expanded.

The invention discloses a rail groove pit center line rapid marking device and a marking method thereof.According to the rail groove pit center line rapid marking device and method, an elastic marking assembly and a walking assembly are arranged on the lower portion of a marking shell, deviation preventing assemblies are arranged on the two sides of the upper portion of the marking shell, and the center line can be rapidly drawn in a rail groove pit through one-man operation; the marking efficiency of the center line of the track groove pit is greatly improved, a large amount of manpower and material resources are saved, and the production and construction cost is reduced.

The utility model belongs to technical field of lens, disclose loading machine and lens assembly production line, loading machine includes vibrating disk, material receiving table, industry camera, rotating component, carries component and laser marking machine, material receiving table sets up in the one side of vibrating disk's material conveying passage, industry camera sets up above material receiving table, industry camera is used for shooting the angle of material located on material receiving table, rotating component sets up in the one side of material receiving table away from vibrating disk, and rotating component includes rotating motor and rotating table, and rotating table is installed in the output of rotating motor, and rotating motor is used for driving rotating table and material around vertical line rotation, carries component sets up in the one side of material receiving table and rotating component, and carries component is used for carrying material from material receiving table to rotating table, and laser marking machine sets up in the one side of rotating component. Loading machine utilizes rotating motor to adjust the angle of material, makes material can accurate rotation to preset angle, improves loading efficiency.

The utility model relates to the technical field of scribing ink supply, and discloses an ink supply device for a scribing robot, which comprises an ink bin and an ink box, a circuit module is mounted on one side of the ink bin, and an ink jet interface communicated with an ink jet device is arranged on the circuit module; a slot is formed in the ink bin, a liquid level sensor is arranged in the ink box, the first interface is communicated with the ink jet interface, the second interface is connected with the liquid level sensor, and the third interface is connected with the circuit module. The ink box can be disassembled and assembled in the slot of the ink bin, so that the requirement of quickly changing ink is met; when the ink box is arranged in the slot, ink stored in the ink box flows to the ink-jet device through the first interface and the ink-jet interface for scribing, and the liquid level sensor is connected with the circuit module through the second interface, so that the remaining amount of the ink in the ink box can be detected in real time, a scribing robot is prevented from suddenly stopping working due to the fact that the ink is used up, and the production rhythm is kept; the manufacturing efficiency is improved.

The application provides a precise scribing device for power distribution cabinet mounting plate assembly positioning, and belongs to the technical field of power distribution cabinet assembly. The device solves the technical problems of unstable positioning, limited adjustment range and low scribing precision of existing scribing devices. The precise scribing device for power distribution cabinet mounting plate assembly positioning comprises a telescopic rod, the surface of the telescopic rod is rotationally connected with a bracket assembly, the bracket assembly comprises two side plates rotationally connected to the outer wall of the telescopic rod, the two side plates are distributed in parallel, and a connecting plate is fixedly installed between the two side plates. In the application, the telescopic rod, the bracket assembly, the suction cup fixing, the stand and the moving block are arranged, so that the telescopic rod and the suction cup driving device are formed with multiple-point fixation in the power distribution cabinet, effectively solving the problems of easy displacement and inaccurate positioning of traditional scribing tools. Moreover, the two positioning plates at any positions can be synchronously flipped through the worm and gear transmission, so that the mounting plate is attached to the inner wall of the cabinet body.

The utility model relates to a code spraying and marking device for a marine profile, belongs to the technical field of shipbuilding equipment, and solves the technical problems that the marking error is large and the code spraying quality is poor as the code spraying and marking device cannot keep vertical to the processing surfaces of various marine profile workpieces during code spraying and marking. The code spraying and lineation device comprises a workbench, a swing angle positioning mechanism, a clamping and positioning mechanism, an X-direction line changing mechanism, a Y-direction line changing mechanism, a code spraying assembly and a control system, the swing angle positioning mechanism comprises a code spraying rack, a swing angle mechanism and a swing angle zero returning press roller, and the code spraying rack is located on one side of the swing angle mechanism; the swing angle mechanism comprises a swing angle support, a swing angle assembly, a first extension spring, a second extension spring and a swing angle air cylinder. The swing angle zero-returning pressing roller can be flexibly attached to the code spraying surfaces of the marine profile workpieces of different specifications, it is guaranteed that the direction of a nozzle of the code spraying head is kept perpendicular to the code spraying surfaces of the profile workpieces during code spraying and line drawing, and the line drawing precision and the code spraying quality are improved.

The present invention discloses a four-head testing, marking and taping integrated machine, including a horizontally arranged rotary indexing mechanism, the outer ring of which is annularly provided with a hopper feeding mechanism, an upper visual mechanism, a feeding swing arm mechanism, a rotary positioning mechanism, an inside-out flipping mechanism, a positioning platform mechanism, a transfer and unloading mechanism, a defective product storage mechanism, a taping mechanism, and a marking mechanism, a translation mechanism is provided in cooperation with the hopper feeding mechanism, and a central testing mechanism is provided in cooperation with the rotary indexing mechanism. According to the precise cooperation between the mechanisms, the functions of hopper feeding, visual positioning, transfer and loading, high-speed testing, high-speed correction, precise marking, transfer and unloading, and precise taping can be smoothly realized, and the four-station suction nozzle can test and tap four products at the same time, thereby improving production efficiency.

The utility model relates to a line marking tool technology field for welding, and disclose a kind of wheeled welding leg size line marking device, including base and the supporting rod being set on base, the line marking arm being capable of overturning along longitudinal direction relative to base is provided in the top of base, line marking arm is located above supporting rod and can overturn around its axis, and one end of line marking arm is provided with line marking head for marking;The fastener for locking line marking arm is provided at the both sides of supporting rod, one end of fastener is inserted into base by passing through line marking arm and screwing, and the walking wheel for supporting base is provided below base.Line marking arm can rotate around supporting rod axis, realize the longitudinal overturning relative to base, to complete the height adjustment of line marking head at the end of line marking arm, and line marking arm is firmly locked on base by fastener, compared with the mode of the existing line marking pen is raised by cushion block, effectively improve the line marking precision, efficiency and stability.

The application relates to a scribing system based on EtherCAT communication, which comprises a central control system, which is used as an EtherCAT master station; an EtherCAT communication module; a laser tracker, which is used as an EtherCAT slave station; and an AGV. The central control system is configured to perform the following: resetting the scribing system; receiving BIM / CAD layout information and performing graphic information analysis; according to the analyzed graphic information, obtaining a plurality of motion trajectory information control points and to-be-drawn information, performing motion path planning, and correlating motion control and inkjet information at the motion trajectory information control points; unifying a laser tracker coordinate system of the laser tracker and a layout reference coordinate system of a two-dimensional drawing corresponding to the layout information; starting scribing, and in the scribing process, real-time monitoring of AGV pose and safety is performed, and a flowable inkjet nozzle receives an inkjet instruction sent by a control unit to work. The application can realize efficient automatic scribing.

The utility model discloses a rapid marking tool for roadbed construction grid lines, and belongs to the technical field of roadbed construction. Comprising a moving trolley, fixing plates are installed on the two sides of the moving trolley, and wheels are installed at the bottoms of the fixing plates; a driving shaft is sleeved between the tops of the two fixed plates at one end of the motor car; the motor is fixedly mounted on the outer wall of the fixing plate, and an output shaft of the motor is fixedly connected with one end of the driving shaft; the end face of the moving trolley is provided with the positioning mechanism; the charging barrel is mounted at the top of the moving trolley; the blanking mechanism is mounted in the mobile vehicle and is connected with the charging barrel and the driving shaft, the motor drives the driving shaft to rotate, the driving shaft drives the wheels to rotate, so that the mobile vehicle walks along a straight line, the blanking mechanism falls lime in the charging barrel onto a roadbed for scribing during walking, the scribing is kept straight every time, and during line and row scribing, the lime in the charging barrel is cut off; and through positioning of the positioning mechanism, the line-row lineation included angle is kept to meet the design requirement.

The utility model discloses a fixed length scribing device for reinforcing mesh production, which comprises a fixed base, the upper end of the fixed base is respectively provided with a positioning operation bedplate and a scribing operation rack, the surface of the front end of the positioning operation bedplate is provided with a positioning clamping sleeve, a limiting measurement clamping plate is fixedly welded on the positioning clamping sleeve, and the scribing operation rack is provided with a scribing operation rack. A first lead screw is installed on the scribing operation rack, a second lead screw is installed on the surface of the front end of the sliding frame, a lifting sliding frame is installed on the surface of the second lead screw, a scribing operation air cylinder is installed on the lifting sliding frame, and a scribing blade is fixedly connected to the output end of the scribing operation air cylinder. The positioning operation bedplate which is convenient to control and adjust is arranged, the limiting measurement clamping plate with the length capable of being positioned and adjusted is installed at the upper end of the positioning operation bedplate, fixed-length lineation cutting can be conveniently conducted on a reinforcing mesh on the positioning operation bedplate through the lineation blade on the upper portion, the whole lineation device is convenient to control and operate, horizontal lineation is stable and straight, and the lineation efficiency is improved. And the scribing precision is improved.

This utility model relates to the field of animal experimental auxiliary tools, specifically to a point marking device for corneal suture modeling, comprising: an angle adjustment component, including a first rod and a second rod hinged together at their first ends, the first rod and the second rod being rotatable relative to a first axis to change the angle formed between the first rod and the second rod; and an angle fixing rod connected to the second ends of the first rod and the second rod. This utility model is based on a corneal compass with structural improvements. Multiple arc-shaped elastic strips are set on two rods whose relative angle can be changed. By changing the angle between the two rods, the elastic strips can be bent to a curvature matching different corneas. Multiple positioning rods on the elastic strips are in clearly defined relative positions, and the vertical projection of the multiple positioning rods can form multiple clearly defined relative position marking points, ensuring the comparability of modeling results from different experimenters and different batches of animals.

The utility model discloses a plotting cart for land planning. The plotting cart comprises a movable seat, a storage hopper and a positioning component, an extension rod is arranged at the upper end of the movable seat, a placing platform is arranged on the extension rod, and an elastic piece is arranged on the placing platform. A positioning seat, a positioning piece and a retaining piece are arranged in the positioning assembly, and the positioning seat is installed on the moving seat. A storage hopper is arranged on the positioning assembly, and a storage chamber is formed in the middle of the storage hopper. The land planning surveying and mapping cart is convenient to use, the discharging pipe can be positioned in different directions, front, back, left and right of the moving seat by rotating the storage hopper, the cart can adapt to different surveying and mapping environments for scribing, the scribing precision can be improved, and the working efficiency of surveying and mapping scribing can be improved.

The invention provides a control method and device of a scribing rod, electronic equipment and a storage medium. The method comprises the steps that the current control type and position flag bit of the scribing rod in a rice transplanter and the running state of the rice transplanter at the last moment, the current steering wheel angle and the current wheel speed are obtained; if the control type is the first control type, the scribing rod is controlled according to the position flag bit; if the control type is a second control type, determining the current driving state of the rice transplanter according to the current steering wheel angle and the current wheel speed; and controlling the marking rod according to the driving state at the previous moment, the current driving state and the position flag bit. By means of the mode, the scribing rod can be automatically controlled according to the current position mark position of the scribing rod, misoperation caused by frequent operation of a mechanical handle is avoided, and the scribing precision of the scribing rod and the rice transplanting quality of the rice transplanter are improved.

The utility model discloses a bolt scribing tool which acts on a bolt and comprises a magnetic attraction seat and a marking part which are coaxially arranged at the top of the bolt in a separable mode, and the marking part is composed of a transmission rod arranged at the top of the magnetic attraction seat in a rotating mode and a marking assembly arranged on the transmission rod and in abutting contact with the bottom end of the bolt. According to the utility model, through the cooperation of the magnetic attraction seat and the marking part, after the magnetic attraction seat and the bolt are coaxially arranged, the movement of the magnetic attraction seat is restrained through magnetic attraction force, so that the marking part is positioned, and then a worker drives the marking assembly through the transmission rod to be attached to the side wall of the bolt and rotate with the axis of the bolt as the circle center; therefore, the marking precision is improved, and the working efficiency is further improved.

The utility model discloses a laser 3D marking machine belongs to the field of marking machine, including marking seat, the top fixedly connected with the marking platform of marking seat, the top of marking platform is provided with positioning assembly, the rear end fixedly connected with the support column of marking platform, the upper end fixedly connected with the marking laser and electronic components of positioning assembly adaptation of support column, the right -hand member fixedly connected with display screen of support column, positioning assembly includes the shell, the inside rotatable connection of shell has the rotating ring, the top fixedly connected with a plurality of equidistance's connecting column of rotating ring, the top fixedly connected with transmission ring of connecting column, the bottom of transmission ring and located the top rotatable connection of rotating ring has a plurality of and with the staggered distribution of connecting column's sliding sleeve, through rotating ring rotation drive connecting column and transmission ring synchronous rotation, make sliding sleeve follow the removal, and then drive connecting rod swing, realize the radial movement of clamping block, can nimble accurate fixedly different size's work piece, form the clamping force of uniform distribution.