43results about How to "Alignment speed is fast" patented technology

The invention discloses a screen printer and a contraposition method for the same. The screen printer comprises a screen printer body; the screen printer body is provided with a computer and an XYtheta platform, wherein the computer is electrically connected with the XYtheta platform and can drive the XYtheta platform to move in the X-axis direction, the Y-axis direction and the theta-axis direction; a to-be-printed product placing part is arranged on the upper side of the XYtheta platform; the screen printer body further comprises a light source, a bracket and at least two CCD cameras, wherein the light source is arranged in the XYtheta platform; a light transmitting hole is formed on the edge of the to-be-printed product placing part on the XYtheta platform; the CCD cameras are mounted on the bracket; the camera shots of the two CCD cameras just face the light transmitting hole to enable light emitted by the light source to transmit the light transmission hole to reach the camera shots of the two CCD cameras; and signal output ends of the two CCD cameras are electrically connected with the computer. The two CCD cameras are adopted to conduct the contraposition. The screen printer has the advantages of simple structure, easiness in manufacturing, high contraposition speed and accuracy in contraposition.

The invention provides a wireless charging coil alignment method, a wireless charging device and a charging method of an unmanned aerial vehicle, and relates to the technical field of wireless charging. The wireless charging coil alignment method comprises the following steps of arranging a touch control panel above a power delivery coil, and determining an initial orthographic projection position of the power delivery coil on the touch control panel; touching the touch control panel by using more than three touch pieces in a fixed position relation with a power receiving coil to acquire a position where a contact point of each touch piece and the touch control panel is located; calculating an orthographic projection position of the power receiving coil on the touch control panel according to the position where the contact point of each touch piece and the touch control panel is located and a position relation between the power receiving coil and each touch piece; and moving the power delivery coil and / or the power receiving coil so that the orthographic projection positions of the power delivery coil and the power receiving coil on the touch control panel are coincided and the alignment of the power delivery coil and the power receiving coil is completed. The wireless charging coil alignment method has the advantages of rapid coil alignment speed and accuracy and is particularly suitable for charging of the unmanned aerial vehicle.

The invention provides a space operation type mouse, and relates to a mouse, which aims at solving the problem of the traditional mouse that the assisting of operation carriers is needed in use, the attitude of a user operating the mouse is limited in the use process, and the influence on the body health of the user is caused. When the space operation type mouse is used, a user can hold the mouse by hand through various methods, or wear on an index finger, an attitude collecting module in the mouse can collect the displacement of the mouse, the displacement is directly sent into a PC (personal computer) after data processing, the assisting of any operation carrier is not needed, the human-machine interaction is natural, a keyboard is controlled through gestures, and the limitation is avoided. The space operation type mouse adopts the software low pass filter principle, the positioning is accurate, the alignment speed is high, and the advantages of trackball mousse and optical mousse are integrated. When the space operation type mouse is used, the attitude of the user is not limited, so the problem of cervical vertebra diseases due to long-time use is effectively avoided.

The invention discloses a coiled continuous sheet cutting method based on a CCD (charge coupled device) image recognition die-cutting machine. Coordinates of a first identifier and second identifier are quickly recognized by making full use of cooperation of a first CCD image recognition module and a second CCD image recognition module; the coordinates are compared with preset coordinate, and analyzing is performed to obtain deviation data of current sheets; calculating is performed according to the deviation data of the current sheets to obtain alignment parameters; an alignment module can quickly acquire the alignment parameters and adjust positions of the current sheets according to the alignment parameters, and then, the current sheets may reach a die-cutting position to take cutting;a control module corrects single pull length according to the alignment parameters and controls a drum drawing module to draw each coiled continuous sheet. The die-cutting machine herein can perform aligning quickly to finish single cutting at the premise of precision guaranteed; cutting speed of continuous cutting can be further increased.

The invention provides a fixed-starting-point rectangular internal thread manufacturing method, and belongs to the field of machining. The method comprises the following steps of clamping; determininga starting point of a thread line, calculating a tool setting value, and aligning a part plane; setting a tool, processing a thread, and measuring by using a special measuring tool after processingis finished; and calculating a tool setting value for guaranteeing a starting point size through a fixed-starting-point rectangular internal thread tool setting formula, determining a starting point position, and then carrying out thread machining. By using the machining method, the starting point position is firstly determined on a common lathe or a numerical control lathe, and then the thread ismachined so that the thread starting point meets a preset requirement; and rectangular threads in complex non-revolving body parts can be machined, and the method is suitable for single-piece or batch production.

The invention provides a workpiece alignment method and device for secondary clamping of a machine tool and a computer storage medium. The project development method comprises the following steps that a trigger type probe is arranged on a machine tool spindle, and a measurement module is arranged on a workpiece; the probe is controlled to move to a plurality of measurement points on the measurement module before and after secondary clamping, and coordinates of a plurality of collision points of the probe and the measurement module are recorded; center coordinates of the measurement module before and after secondary clamping are calculated by utilizing the coordinates of the multiple collision points before and after secondary clamping; an alignment matrix is calculated by utilizing the center coordinates of the measurement module before and after secondary clamping; and the initial machining code is modified based on the alignment matrix, so that the machine tool can accurately machine the workpiece according to the aligned machining code. According to the workpiece alignment method and device and the computer storage medium, by means of the mode, the project development method can effectively solve the problem of alignment of the position and the posture of the workpiece, the alignment speed of secondary clamping of the workpiece is increased, the measurement time is shortened, and therefore the labor intensity of an operator is greatly reduced.

The invention discloses a motor comprehensive performance testing device and testing method, and relates to the technical field of motor testing, the motor comprehensive performance testing device comprises a motor clamping assembly, a testing assembly, a lifting assembly and an electrical cabinet, the motor clamping assembly is used for clamping and fixing a testing motor, the testing assembly is used for carrying out load and torque testing on the testing motor, and the lifting assembly is used for lifting the testing motor. The lifting assembly is arranged below the testing assembly and used for adjusting the position of the testing assembly when the testing motor is connected with a load, and a processing terminal used for receiving and processing testing data and a control terminal used for controlling the motors are arranged in the electrical cabinet. An alignment camera is arranged in the testing assembly to perform center shaft alignment on the output end of the testing motor and the coupler, the height difference is compensated through the lifting assembly, so that the output shaft of the testing motor is aligned with the center shaft of the coupler, the alignment speed is increased, the load mounting module can automatically increase or reduce the load, and the load is automatically locked during rotation. Special fixing is not needed, and convenience and rapidness are achieved.

The invention belongs to the technical field of diesel engine manufacturing, and discloses a herringbone gear assembly positioning method and device, an assembling method and a high-power diesel engine. The herringbone gear assembly positioning method includes the steps that datum tooth scale lines of a right-rotation gear tooth ring and datum tooth scale lines of a left-rotation gear tooth ring are aligned for visual inspection coarse tuning; and datum teeth of the left-rotation gear tooth ring are used as a datum for fixation with fixed positioning teeth of a positioning device, automatic alignment is conducted through movement of movable positioning teeth to obtain the correct positions of datum teeth of the right-rotation gear tooth ring based on the positional accuracy between the movable positioning teeth and the fixed positioning teeth of the positioning device as well as the body dimensional accuracy of the two positioning teeth, and positional assembling between the datum teeth of the right-rotation gear tooth ring and the datum teeth of the left-rotation gear tooth ring is carried out. According to the herringbone gear assembly positioning method and device, the assembling method and the high-power diesel engine, by using the intermediate-speed high-power diesel engine combined-type herringbone gear assembly, assembly accuracy is improved, assembly technology stability is ensured, the economic cost of herringbone tooth gears is reduced, and operational reliability of diesel engine gears is guaranteed; and the application field is broad and the popularization valueis good.

The invention relates to the field of transverse alignment method technique between backing paper and binder, in particular to a transverse alignment method between the backing paper and the binder. The method is characterized in that the inclined angle of the backing paper corresponding to the horizontal direction is firstly detected and calculated; furthermore, the binder is positioned, the geometric centre of the binder is determined, namely, the rotating center of the binder is determined; subsequently, the binder is lifted up by a grasping arm; the binder is then rotated by an angle which is identical to the inclined angle of the backing paper; finally, the binder is laminated on the backing paper so as to lead the geometric center of the binder to be coincident to that of the backing paper and complete the alignment of the backing paper and the binder; the transverse alignment speed of the backing paper and the binder is quick, the aligning precision of the backing paper and the binder is high; furthermore, the technical proposal is easy to be realized, and the structure of the binder laminating machine of the technical proposal is simplified.

An optical device packaging structure, including a main body (B). One or more V-shaped grooves (B1) are formed in the main body (B), and an optical signal transmission hole system communicated with two side walls of the V-shaped groove (B1) is disposed in the main body (B). The optical signal transmission hole system includes an optical signal transmission hole perpendicular and / or parallel to the central line of the included angle of the V-shaped groove, and the included angle of the V-shaped groove is 90°±10°. An optical device module packaged by the optical device packaging structure is also provided.

A method for automatically aligning the pins of a small liquid crystal display glass plate and an IC plate, which is divided into the following steps to achieve alignment: 1. Determine the corresponding relationship between camera coordinates converted into world coordinates through PC control software; 2. Collect standard products The position of the left outer target, the right outer target of the glass plate and the left and right targets of the IC board inside the glass plate; Position correspondence; 4. Actual production, collect the positions of the left and right external targets of the glass plate and the left and right targets of the IC; 5. Calculate the positions of the virtual left and right external targets of the glass plate, and the positions of the left and right external targets of the IC plate According to the calculation results, the electric alignment platform drives the glass plate to automatically move a certain amount to complete the alignment program between the glass plate signal input terminal pins and the IC board pins. The alignment speed of the invention is fast and the alignment is accurate.

The invention discloses a binocular positioning solar cell module trimming device, which belongs to the field of manufacturing of solar cell modules. The binocular positioning solar cell module trimming device comprises a supporting frame, a bearing table, a servo controller, cameras, long knife control units, short knife control units, long knife heads, short knife heads, long knife sliding rails, short knife sliding rails, an operation platform, a computer and a host. A to-be-trimmed solar cell module enters the operation platform, the binocular camera is controlled by the servo controller to capture a marking point of the to-be-trimmed module, the operation platform adjusts the angle to enable the to-be-trimmed module to be accurately positioned, the knife head is controlled by the knife head control unit, and through the sliding rail, the automatic trimming function is realized. The device combines machine vision and motion control, the counterpoint speed is quick, accurate and automatic positioning can be realized, the knife head control unit completes trimming of the solar cell module, manual errors are avoided, the device is simple and easy to operate, high-efficiency production is realized, and the production cost is effectively reduced.

This utility model discloses a machining center fixture for machining forks and connecting rods. A fork clamping device is installed on the lower surface of the bridge plate of the four-axis fixture. The connecting rod clamping device includes a movable clamping module one and a fixed clamping module one, respectively installed at both ends of the upper surface of the bridge plate. The fork clamping device includes a movable clamping module two and a fixed clamping module two, respectively installed at both ends of the lower surface of the bridge plate. This utility model can process multiple workpieces simultaneously, clamping forks and connecting rods on both sides of the bridge plate, greatly improving machining efficiency. This utility model achieves rapid clamping and positioning. Through the design of the sliding plate and T-block, the clamping position can be quickly adjusted to adapt to workpieces of different sizes, making it widely applicable.

A punching and positioning tool for small-batch manufacturing of new energy automobile battery cases comprises a tool bottom plate, a drill jig sleeve, a positioning clamping plate and a clamp, when small-batch battery cases need to be manufactured and produced, the punching and positioning tool is buckled on the battery cases needing to be punched, the positioning clamping plate is used for positioning, and the clamp is used for clamping the battery cases needing to be punched. A clamp is used for clamping a cross beam on a battery case for fastening and fixing, and punching operation is performed according to the position of a drill jig sleeve on the tool bottom plate, so that errors of manual measurement are reduced, multi-hole positioning can be realized through one-time clamping, the adjustment time is shortened, the alignment speed is increased, and the small-batch production efficiency is greatly improved.

The invention provides a space operation type mouse, and relates to a mouse, which aims at solving the problem of the traditional mouse that the assisting of operation carriers is needed in use, the attitude of a user operating the mouse is limited in the use process, and the influence on the body health of the user is caused. When the space operation type mouse is used, a user can hold the mouse by hand through various methods, or wear on an index finger, an attitude collecting module in the mouse can collect the displacement of the mouse, the displacement is directly sent into a PC (personal computer) after data processing, the assisting of any operation carrier is not needed, the human-machine interaction is natural, a keyboard is controlled through gestures, and the limitation is avoided. The space operation type mouse adopts the software low pass filter principle, the positioning is accurate, the alignment speed is high, and the advantages of trackball mousse and optical mousse are integrated. When the space operation type mouse is used, the attitude of the user is not limited, so the problem of cervical vertebra diseases due to long-time use is effectively avoided.

The utility model discloses a battery needling mechanism and a battery needling device.The battery needling mechanism comprises a needling needle assembly, a first adjusting assembly and a second adjusting assembly, the first adjusting assembly comprises a first supporting plate, a first sliding plate and a first lead screw, the first sliding plate is in sliding connection with the first supporting plate, and the first lead screw is in threaded connection with the first sliding plate; the first adjusting assembly comprises a first supporting plate, a second sliding plate and a second lead screw, the first lead screw rotates to drive the first sliding plate to move relative to the first supporting plate in the second direction, the pricking needle assembly is arranged on the side, away from the first supporting plate, of the first sliding plate in a protruding mode, and the second adjusting assembly comprises a second supporting plate, a second sliding plate and a second lead screw; the first supporting plate is connected with the second sliding plate, the second lead screw is in threaded connection with the second sliding plate, and the second lead screw rotates to drive the second sliding plate to slide in the third direction. The alignment precision of the pricking pin assembly and the to-be-tested battery is improved, and the alignment speed is high.

The present invention discloses an automatic clamping mechanism and method for boring and milling of a large vertical milling machine gearbox, belonging to the technical field of machine tool parts processing, including a rough positioning clamping mechanism, a horizontal alignment support mechanism, an auxiliary support clamping mechanism, and a rough positioning auxiliary mechanism matched with the rough positioning clamping mechanism; the vertical auxiliary center plane of the rough positioning auxiliary mechanism is coplanar with the vertical center plane of the gearbox; the rough positioning clamping mechanism includes a support boss for supporting the bottom end surface of the rough positioning auxiliary mechanism and a rough positioning clamping part for clamping the rough positioning auxiliary mechanism; the horizontal alignment support mechanism includes two height-adjusting support rods for supporting the corresponding ends of the bottom end surface of the gearbox plate and capable of adjusting the support height. The present invention performs horizontal clamping of the milling machine gearbox blank, can perform automatic horizontal alignment, saves alignment time, reduces the labor intensity of the operator, and at the same time, the clamping is stable and the clamping force is sufficient.

The invention provides a detection and measurement quick alignment device for the production of heavy truck spare parts, comprising: a bottom plate and a crankshaft part; a group of bottom swing adjustment plates are axially connected to the top of the bottom plate; The side is connected to the bottom plate through a set of offset adjustment screws; the upper end surface of the bottom swing adjustment plate is fixedly connected with a set of leveling and alignment devices by bolts; the upper end surface of the bottom plate is slidingly connected to a right side The end face aligning device is assembled; the crankshaft part is placed on the end face of the adjustable support block. The device can quickly and real-time measure the up and down directions, front and rear directions, and the height of the eccentric shaft of the crankshaft parts. The measurement is convenient, the display is intuitive, and it is convenient for alignment. Fast, realize fast alignment, greatly save working hours, and improve work efficiency.

The present invention relates to the field of red sleeve technology, and specifically to a device for red sleeve of copper sleeve or steel sleeve and a method for red sleeve using the device. It comprises a U-shaped frame, and a plurality of groups of supporting angled steels are evenly arranged at the bottom of the U-shaped frame along the extension direction. The supporting angled steels are supporting structures with the opening facing upward, and a space for placing the copper sleeve or steel sleeve is formed between the upper part of the supporting angled steels and the two sides of the U-shaped frame. Round bars are symmetrically welded on both sides of the U-shaped frame near the end. The device is suitable for extra-long copper sleeves or steel sleeves, and can also be suitable for copper sleeves or steel sleeves of normal length, which can not only meet the requirements of red sleeves, but also ensure the quality of red sleeves.

A high-precision universal assembling machine stator alignment tool comprises an annular positioning hoop support, a center frame roller, a length adjusting column, a dial indicator positioning frame and a dial indicator. The annular positioning hoop support is of a hoop structure, an opening is formed in one side of the hoop structure, and a fastening structure capable of adjusting the diameter of the hoop structure is arranged at the opening. A plurality of center frame rollers are arranged on the inner wall of the hoop structure at intervals, and each center frame roller faces the circle center of the hoop structure. A length adjusting column is fixed along the radial direction of the hoop structure in an extending manner, one end of the length adjusting column is vertically fixed on the outer ring surface of the hoop structure, and a dial indicator positioning frame is detachably fixed on a column body. The dial indicator is fixed on the dial indicator positioning frame. According to the utility model, one tool can be used for aligning various types of motors, the alignment precision is high, the alignment speed is high, the production efficiency can be greatly improved, and the production cost can be reduced, so that the tool is suitable for diversified production.

The invention discloses a method for centering a replaceable head cutter head, which comprises the steps of installing a main handle on a machine tool spindle, an adjusting ring being rotatably mounted on the main shaft; fixedly connecting the main handle and the connecting head, and connecting the alignment block to the connecting head Fixed connection; align the needle of the dial indicator with the middle of the alignment block; rotate the main shaft to make the dial indicator find the highest point of the alignment block, and rotate the adjusting ring to align the threaded parts with the highest point of the alignment block; tighten the thread The adjustment amount of the threaded part is half of the maximum runout of the dial indicator, and the threaded part is loosened so that it does not interfere with the connector; repeat the previous step until the dial indicator shows that the runout of the alignment block is less than or equal to Set the threshold; cross-lock the connector connecting the main handle and the connector, and judge whether the runout of the alignment block is less than or equal to the set threshold, if so, go to the next step, otherwise loosen the connector between the main handle and the connector, and restart Pre-tighten the main shank and the connecting head, and return to the step of rotating the spindle; remove the alignment block to complete the alignment of the center of the replaceable cutter head.

The invention discloses a screen printer and a contraposition method for the same. The screen printer comprises a screen printer body; the screen printer body is provided with a computer and an XYtheta platform, wherein the computer is electrically connected with the XYtheta platform and can drive the XYtheta platform to move in the X-axis direction, the Y-axis direction and the theta-axis direction; a to-be-printed product placing part is arranged on the upper side of the XYtheta platform; the screen printer body further comprises a light source, a bracket and at least two CCD cameras, wherein the light source is arranged in the XYtheta platform; a light transmitting hole is formed on the edge of the to-be-printed product placing part on the XYtheta platform; the CCD cameras are mounted on the bracket; the camera shots of the two CCD cameras just face the light transmitting hole to enable light emitted by the light source to transmit the light transmission hole to reach the camera shots of the two CCD cameras; and signal output ends of the two CCD cameras are electrically connected with the computer. The two CCD cameras are adopted to conduct the contraposition. The screen printer has the advantages of simple structure, easiness in manufacturing, high contraposition speed and accuracy in contraposition.

The valve block positioning and switching device comprises a rotary drum, a rotary disc is coaxially arranged outside the rotary drum, a plurality of rectangular alignment frames are arranged above the rotary disc in a circumferential array mode, the rectangular alignment frames are in sliding connection with the rotary drum in the axial direction of the rotary drum, openings of the rectangular alignment frames face the rotary disc, and alignment holes are formed in the top faces of the rectangular alignment frames; the numbers and / or positions of the alignment holes of all the rectangular alignment frames are different, a first push rod is arranged at the end, away from the rotary drum, of each rectangular alignment frame, and a second push rod is arranged on one side of each rectangular alignment frame in a penetrating mode; and the rotating mechanism is arranged below the turntable, is connected with the rotating drum and is used for driving the rotating drum to rotate. A plurality of different types of rectangular alignment frames loaded on the device and used for drilling and aligning the valve block can be quickly switched, and the rectangular alignment frames are fixed again when the rectangular alignment frames do not need to be switched, so that the machining efficiency of drilling the valve block by using the rectangular alignment frames can be effectively improved.

The invention discloses an automatic plate cleaning system which is used for clearing up a spinning jet on chemical fiber equipment. The automatic plate cleaning system comprises a walkable plate cleaning vehicle with a cleaning device, a 3D visual shooting positioning system, a navigation system, a call control system and the like. According to the automatic plate cleaning system, the plate cleaning vehicle is called through the call control system corresponding to the chemical fiber equipment, the plate cleaning vehicle is guided by a ground positioning magnet and a sensing device on the plate cleaning vehicle to automatically select an optimal route to reach a preset position, a spinneret plate is shot through the 3D visual shooting positioning system, the relative position of the spinneret plate is obtained, and therefore a cleaning device on the plate cleaning vehicle is precisely guided to reach the preset spinneret plate position to clean the spinneret plate. According to the automatic plate cleaning system, the cleaning device on the plate cleaning vehicle can be precisely aligned to the spinneret plate through the 3D visual shooting positioning system, the navigation system is formed by the positioning magnet on the ground surface and the sensing device on the plate cleaning vehicle together, the plate cleaning vehicle can automatically select the optimal and shortestroute to walk on, and therefore time is saved, and the efficiency is improved.

The invention discloses an integrated device for secondary screen printing and four-eye positioning of solar cells, belonging to the field of solar cell screen printing, and an integrated device for secondary printing and four-eye positioning of solar cells, including an operating table and a support frame , large servo controller, camera, first small servo controller, first printing head, second printing head, first small servo controller, printing platform, first slide rail, second slide rail, display and host computer; The four-eye camera is controlled by a large servo controller, and the printing platform adjusts the angle to make the positioning of the solar cell precise. The first printing head and the second printing head are controlled by a small servo controller, and the printing of the solar cell is realized through the slide track; The device is combined with machine vision and motion control, the whole process is fully automated, and the alignment speed is fast. At the same time, two printing machines are integrated to complete the secondary printing of solar cells, increase the conversion efficiency of solar cells, achieve efficient production, and effectively reduce production. cost.

The invention relates to a bonding structure, a manufacturing method thereof and a miniature light-emitting diode device, and the method comprises the steps: providing a first substrate and a second substrate, one side of the first substrate comprises a first bonding surface and a first bonding part, one side of the second substrate comprises a second bonding surface and a second bonding part, and the first bonding surface is provided with a first bonding groove; bonding the first bonding surface with the second bonding surface to obtain a pre-bonding structure; determining that a first bonding groove and a second bonding surface in the pre-bonding structure form a sealing cavity with the internal air pressure smaller than one standard atmospheric pressure, and heating a first bonding part and / or a second bonding part in the pre-bonding structure to a molten state in an environment in which the air pressure is smaller than or equal to the air pressure in the sealing cavity, and the first bonding part and the second bonding part are bonded to obtain the bonding structure, so that the self-correcting and ultrahigh-precision bonding structure is provided, and the bonding yield is high.

The invention relates to a printing method capable of quickly aligning a glass substrate with a screen, which is characterized by comprising the following steps: firstly, drawing a frame diagram (4) at the center of a table (2) of a silk screen printing machine with an oil pen; secondly, putting a glass substrate in the corresponding position according to the position of the frame diagram (4), and vacuumizing to fix the glass substrate; thirdly, manually adjusting the screen frame according to the position of the frame diagram (4) observed from the hollow part of the screen until the diagram (4) is at the center of a screen diagram (3), and fixing the screen; fourthly, feeding slurry to print an experimental substrate, and manually adjusting the position of the glass substrate according to the error; and fifthly, after the position of the glass substrate is determined, making a mark with the oil pen. The invention has the advantage of high alignment efficiency, can not pollute or damage the screen, and is convenient and quick.

The invention provides an electric locomotive signal indicator. The electric locomotive signal indicator comprises a controller, three infrared probes A, B and C connected with the input end of the controller and red, yellow and green tri-color signal lamps connected with the output end of the controller; each infrared probe comprises an infrared transmitting tube and an infrared receiving modulewhich are located inside; the controller comprises a single chip computer, three infrared probe detection circuits A, B and C, three signal lamp drive circuits and a stabilized voltage source supply circuit; the three reflective infrared probes are mounted on the outer side of a millhole railway, the probe B is located in the relative position in the middle of an aligning carriage, and the probesA and C are located in the relative positions of two ends of the aligning carriage; and each infrared probe detection circuit comprises an infrared transmitting drive circuit and an infrared receivingprocessing circuit. The electric locomotive signal indicator is simple in structure, convenient to mount, safe, reliable, economical and practical, and aligning speed of an ore loading carriage of anelectric locomotive can be greatly increased. The electric locomotive signal indicator can be applied to ore loading carriage alignment of the electric locomotive, ore unloading carriage alignment ofthe electric locomotive and other occasions needing aligning operation.

The invention belongs to the field of manufacturing and processing, and particularly relates to an automatic alignment method and device using optical alignment. The device comprises a workpiece to be aligned and an optical transceiver module. The optical transceiver module comprises a first transmitting end, a second transmitting end, a first receiving end and a second receiving end which are all arranged on the same horizontal plane. A first reference point, a second reference point, a third reference point and a fourth reference point are calibrated on the workpiece. The first reference point, the second reference point, the third reference point and the fourth reference point are all located on a horizontal plane. The workpiece is rotated on the horizontal plane, a light beam between the first transmitting end and the first receiving end passes through the first reference point and the second reference point, a light beam between the second transmitting end and the second receiving end passes through the third reference point and the fourth reference point, and alignment operation is completed. Optical automatic alignment is adopted, the alignment efficiency and precision are improved, and abrasion of the workpiece in the alignment process is reduced.