62results about How to "Improve marking quality" patented technology

An automatic marking production line for bearings is composed of an automatic feeder consisting of feeding tray and automatic single bearing feeder, a marking unit consisting of control panel, bearing driving cylinder, bearing track, bearing cleaner, marking unit, template and template locator, and an automatic collecting unit consisting of bearing driving unit, control panel and bearing collector.

The invention provides an intelligent paper marking method for subjective questions. The method comprises the steps of respectively preprocessing an examinee answer text and a reference answer text toobtain word vector sequence representations corresponding to the examinee answer text and the reference answer text; extracting semantic vectors of sentences in the examinee answers and the referenceanswers by utilizing a semantic feature extraction network; calculating semantic matching degrees of sentence vectors of the examinee answers and the reference answers by utilizing a fusion attentionmechanism; calculating an examinee answer weighted sentence vector by utilizing the matching result; aiming at the sentence vector sequence of the answers of the complete examinees and a weighted sentence vector sequence based on a fusion attention mechanism; utilizing a semantic feature extraction network to calculate semantic vectors of the complete answers and semantic vectors based on attention of the reference answers; and bonding the two vectors to form a final vector representation of the examinee answer; scoring the final vector representation of the examinee answer by using a multi-layer feedforward neural network. According to the invention, automatic examination paper marking of subjective questions can be realized, and examination paper marking efficiency is greatly improved.

The invention discloses a marking device with an automatic clamping and positioning function, which is accurate in positioning and can effectively improve the marking efficiency. The marking device with an automatic clamping and positioning function comprises a printing device, a transmission device is arranged right below the printing device, the transmission device comprises a transmission belt and an automatic clamping and positioning device, the automatic clamping and positioning device comprises inflatable airbags arranged at intervals at sides of the transmission belt, one inflatable airbag located at one side and the corresponding other inflatable airbag located at the other side form a clamp, one inflatable airbag of each clamp is provided with a starting end position sensor, the other inflatable airbag of each clamp is provided with an ending end position sensor, each inflatable airbag is internally provided with a sensing device used for sensing a workpiece, the inflatable airbag is connected with a pneumatic pump, the pneumatic pump is arranged at the side part of the support of the transmission device, and the starting end position sensors, the ending end position sensors and the sensing devices are connected with the controller of the pneumatic pump.

The invention provides a municipal road marking device and belongs to the technical field of municipal road equipment. The municipal road marking device solves the problem that the municipal road marking quality is low. The municipal road marking device comprises a guide frame. The guide frame comprises two guide rails. Each guide rail is connected with a movable board in a sliding manner. Each movable board is connected with a separation board in a sliding manner and provided with a compression spring. A material spraying pipe and a material grinding pipe are fixedly connected between the two separation boards. A grinding screw is arranged in the material grinding pipe. A roller shaft is further rotationally connected between the two separation boards. When the movable boards move, the roller shaft can roll marking paint on a road surface. Material return suction pipes are further arranged on the two separation boards. The movable boards are provided with drive pieces capable of driving the movable boards to move in a reciprocating manner. The municipal road marking device is good in marking quality.

The invention discloses inner hole laser marking equipment used for a sucker rod coupling and a marking method thereof, and relates to the technical field of laser marking. The inner hole laser marking equipment comprises an electric control cabinet and a laser. An indexing separator is arranged on the electric control cabinet. A rotary plate is connected to the indexing separator. A plurality of adapting sleeves used for mounting the marking coupling are evenly distributed on the rotary plate. A rotary laser head is movably connected to the laser. The inner hole laser marking equipment has the advantages that the structure is simple, the working efficiency is high, the labor intensity is low, inner hole marking of the to-be-marked coupling is facilitated, and marking characters are not liable to be abraded; during operation, the to-be-marked coupling is mounted on the adapting sleeves of the rotary plate, the position of the laser is adjusted, required marking parameters are input into a computer, the focal distance of the laser beamon the inner wall of the coupling is adjusted, then marking is started, the focal distance of the laser beams is adjusted, deep marking and carbonizing marking can be achieved, after marking of a product is completed, the rotary plate rotates automatically to another product for marking, and thus uninterrupted marking operation can be achieved.

The invention relates to a laser marking machine and a marking method. The marking method is used for marking products. The marking method comprises the steps of placing a product on a rotating workbench, and making the product rotate along with the rotating workbench; dividing the marking area of the product into more than one marking unit in the tangential direction and the radial direction of the rotating workbench; acquiring the angular displacement data of the rotating workbench; measuring the distance between the laser mechanism of the laser marking machine and the multiple test points of the marking units to obtain multiple distance data; obtaining the actual marking depths of the marking units according to the multiple distance data; comparing the actual marking depths and the theoretical marking depths of the marking units to obtain the compensation values of the marking depths of the marking units; adjusting the distances between the marking mechanism and the marking units according to the compensation values; and controlling the laser mechanism to mark the marking units. According to the marking method, the marking quality of the marking units is improved, and therefore,the reliability of marking of the laser marking machine on the marking area of a product is good.

An axial pneumatic clamping tool for steel bottle circumferential marking is provided. A support is arranged in the middle of the upper end of a frame body, a telescopic cylinder is fixed to the leftside wall of an installation seat, and a piston rod of the telescopic cylinder penetrates through the left side wall of the installation seat to be fixedly connected with a sliding clamping rotary device arranged on the right side of the installation seat; and a positioning device corresponding to the sliding clamping rotary device in height is arranged on a fixing seat, a steel bottle is arrangedbetween the sliding clamping rotary device and the positioning device, and after the steel bottle is supported and positioned through the positioning device and a supporting device arranged on the support, the sliding clamping rotary device is driven by the telescopic cylinder to move rightwards to achieve clamping and rotation of the steel bottle. According to the axial pneumatic clamping tool for steel bottle circumferential marking, the steel bottle is positioned and then rotates through the sliding clamping rotary device and the positioning device arranged on the frame body, the middle ofthe steel bottle is supported through the supporting device, and the reliability and marking precision of the steel bottle during marking are ensured. The marking quality is improved, the finished product rate is increased, the labor intensity of a worker is greatly reduced, the labor cost is low, and the high use value is achieved.

The invention provides a laser marking machine, which comprises a rack, wherein the rack is a workbench; the workbench is a cube made of section bars; the middle of the workbench is hollow; one side of the workbench is fixedly provided with a transmission device by a transmission fixing board; the transmission device is divided into a laser component and a transmission part by the table board of the workbench; the laser component is positioned above the table board of the workbench; the transmission component is positioned below the table board of the workbench and is positioned in the hollow part of the workbench; the transmission component is cooperated with the laser component by a transmission pair; the top of the laser component is provided with a laser head device; the transmission fixing board of the transmission device is fixedly provided with a sliding table mechanism; the sliding table mechanism is positioned in the laser component; the sliding table mechanism is mutually cooperated with the laser head device; the other side of the workbench is provided with a PC (personal computer) display; and the PC display is provided with an indicating lamp device. The cooperation of a movable product placement table on the sliding table mechanism and the transmission pair in the transmission component can be controlled by a PC host to realize marking, so that the yield of the laser marking machine is improved, the laser marking machine is simple to operate, and the production efficiency is improved.

The invention provides assembly line flight marking equipment and a marking method, and relates to the technical field of laser marking. The assembly line flight marking equipment comprises a controlmechanism as well as a laser coding optical mechanism, a positioning tool and a movable module mechanismwhich are separately connected to the control mechanism, wherein the positioning tool is equipped with a marking station for marking a product on an assembly line, and is used for clamping and fixing the product on the assembly line, and regulating the position of the marking station according to different product assembly lines; and the movable module mechanism is used for regulating the position, above the marking station, of the laser marking optical mechanism under control of the controlmechanism. The positioning tool is adopted for positioning the product on the assembly line, so that the product on the assembly line is prevented from shaking or jumping during product marking, andtherefore, stability ofthe equipment marking quality and marking effect is improved. The control mechanism is connected to an MES, so that a marking process of the assembly line flight marking equipment is favorably always in a process control state, and therefore, marking efficiency of the assembly line flight marking equipment is improved.

A vehicle-mounted normal temperature type striping machine is provided. The vehicle-mounted normal temperature type striping machine comprises a rack, the rack is provided with a power transmission system, a pneumatic control system and a paint spraying system, and the power transmission system comprises an engine, an air compressor and a hydraulic gear pump; the pneumatic control system comprisesa glass bead tank and a high-pressure bag, the paint spraying system comprises a hydraulic oil tank, automatic reciprocating oil cylinders and high-pressure plunger pumps, and two sets of automatic reciprocating oil cylinder and high-pressure plunger pumps are correspondingly arranged; the glass bead tank comprises a tank body, pressing devices and a glass viewing window, the tank body is internally provided with a separating plate which divides the tank body into an upper material cavity and a lower material cavity, the top of the tank body is provided with an upper cavity feeding port and alower cavity feeding port, and the bottom of the tank body is provided with an upper cavity discharging port and a lower cavity discharging port; and an upper cavity feeding port cover and a lower cavity feeding port cover are correspondingly pressed by the two pressing devices. According to the vehicle-mounted normal temperature type striping machine, a complicated electric control system and ahydraulic system are canceled, the structure is simple and compact, operation is simple, the striping machine system is stable, and the fact that shutdown for feeding is not required during long-distance striping working of the glass bead tank.

The invention discloses a laser marking machine. The laser marking machine comprises a rack, a control assembly, a temperature adjusting assembly, a laser marking device and a clamp assembly, whereinthe control assembly and the temperature adjusting assembly are mounted on the rack, and the laser marking device and the clamp assembly are assembled in the rack; the control assembly is electricallyconnected with the laser marking device and the clamp assembly, and the rack comprises a worktable and a machining cover assembled to the worktable; and the machining cover is provided with a closedmachining space, and the laser marking device and the clamp assembly are mounted on the worktable and both located in the machining space. When the laser marking device machines a workpiece assembledto the clamp assembly, the temperature adjusting assembly is used for adjusting the temperature of the machining space to enable the temperature in the machining space to be within the preset range; the laser marking machine is equipped with the temperature adjusting assembly, so that the laser marking device is within the preset temperature range; and the clamp assembly clamps the preset positionof the workpiece so that the laser marking device can accurately conduct marking, the workpiece can be quickly replaced, and thus the machining efficiency is high.

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 provides a closed scanning galvanometer device for a laser machine. The device comprises a base, an X galvanometer mechanism, a Y galvanometer mechanism and a field lens mechanism. The Xgalvanometer mechanism comprises an X galvanometer motor, an X galvanometer lens and an X galvanometer base which is provided with an X positioning hole, the Y galvanometer mechanism comprises a Y galvanometer motor, a Y galvanometer lens and a Y galvanometer base which is provided with a Y positioning hole, the field lens mechanism comprises a field lens, the front end of the base is provided with a laser incidence hole, the bottom of the base is provided with a field lens installation hole, the field lens is installed in the field lens installation hole, the X positioning hole, the Y positioning hole, the field lens installation hole and the laser incidence hole are mutually connected in a cavity, and the cavity is provided with no other through hole except for the X positioning hole, the Y positioning hole, the field lens installation hole and the laser incidence hole. The scanning galvanometer device fixes the Y galvanometer motor, the X galvanometer motor and the field lens, therelative positions are more stable, the closed cavity is formed in the base after fixing, and dust pollution is small when a laser beam passes.

The invention aims to provide an inner pot cover marking device and a marking method. The inner pot cover marking device comprises two stepping conveyors with conveying belts, a controller with a display screen, a rotary device with a rotary plate, four inner pot cover accommodating holes uniformly distributed along the circumference of an axis of the rotary plate and communicating with the upperend and the lower end of the rotary plate, two inner pot cover moving devices distributed along a side wall of the rotary plate and in one-to-one correspondence to the inner pot cover accommodating holes, and a position levelling device and a laser marking device located between the two inner pot cover moving devices. The two stepping conveyors are in one-to-one correspondence to the two inner potcover moving devices. The inner pot cover marking device is used for marking an inner pot cover of an electric pressure cooker, and has higher marking efficiency and stable marking quality.

The invention provides a tooling for pipeline flying marking, and relates to the technical field of laser marking. The tooling comprises a mounting bottom plate, a two-way mobile platform arranged onthe mounting bottom plate, a first positioning part and a second positioning part, wherein the first positioning part and the second positioning part are mounted on the two-way mobile platform, and the two-way mobile platform is used for driving the first positioning part and the second positioning part to move in the direction parallel to the surface of the mounting bottom plate and/or vertical to the surface of the mounting bottom plate; the first positioning part is used for primarily positioning flowing products, the second positioning part is used for secondarily positioning the flowing products, the product positioning center of the first positioning part and the product positioning center of the second positioning part are located in the same horizontal height, and the connecting line of the product positioning centers is parallel to the transmission direction of an assembly line. By means of clamp positioning for the products in the assembly line in two different directions, the products on the assembly line are effectively prevented from shaking or jumping during marking, and marking quality and marking effect stability are effectively improved.

The invention discloses a marking device with a cargo lifting mechanism for logistics distribution. The marking device comprises a support, a conveying mechanism arranged on the support, a lifting mechanism and a centering mechanism, wherein a marking machine is arranged above the conveying mechanism; the lifting mechanism is arranged on one side of the conveying mechanism and used for lifting cargoes; the centering mechanism is arranged on one side of the lifting mechanism and used for centering the cargoes; and the lifting mechanism and the centering mechanism are connected with the support.A flat plate of the lifting mechanism is arranged in a lifting and rotating mode, and meanwhile, the U-shaped sliding block arranged on the lower side of the flat plate pushes the cargoes, so that the cargoes are convenient to lift and unload, and manual carrying of the cargoes is reduced. Moreover, the cargoes are centered through symmetrically-arranged guide plates before being marked, so thatthe cargoes are aligned to the marking machine, and thus the marking quality and efficiency of the cargoes are improved.

The invention discloses a letter box production and processing equipment, which comprises a suspension platform and a processing main frame installed on the lower side of the suspension platform in left and right translation, a suspension arm is installed directly above the top of the suspension platform, and a cavity is arranged in the suspension platform. The mouth of the adjustment slot is facing downward, and the connecting arm that is expanded downward is installed in the adjusting slot in translation. The screw in the connecting arm is equipped with a screw shaft that is expanded left and right. The right end wall of the adjustment slot is rotationally and cooperatively connected, the left tail of the screw shaft is mounted in cooperation with the main motor, the outer surface of the main motor is installed in the left end wall of the adjustment slot and is fixedly connected, and the connecting arm The bottom end surface is fixedly installed directly above the processing main frame, and the bottom end surface of the processing main frame is provided with concave cavities extending left and right; the invention has simple structure, convenient operation, improves marking work efficiency and marking quality, and improves stability sex.