333results about How to "Accurate location" patented technology

The application relates to the technical field of infrared emission tube row production equipment, and discloses an infrared emission tube row discharging and stacking mechanism, which comprises a shell and a material collecting frame. Two vertical plates are fixedly connected with mounting seats at the upper ends, the mounting seats are fixedly connected with four positioning columns arranged in a rectangular array at the upper ends, the bottom end of the material collecting frame is provided with four positioning grooves arranged in a rectangular array, one side of the material collecting frame is fixedly connected with two guide rods arranged in a mirror image, one end of the material collecting frame away from the guide rods is fixedly connected with a handle, the upper end of the shell is fixedly connected with a conveying groove body, and one side of the conveying groove body is fixedly connected with a photoelectric sensor. The infrared emission tube row discharging and stacking mechanism is characterized in that the positioning columns on the mounting seats are matched with the positioning grooves at the bottom end of the material collecting frame, the accurate positioning and stable placement of the material collecting frame on the mounting seat are realized, the position of the material collecting frame is accurate and correct in the subsequent discharging and stacking process, and the stacking quality and product integrity are guaranteed.

This utility model discloses a dough proofing and feeding device. The feeding machine includes a feeding frame, within which two parallel first chain drive mechanisms are arranged. A plurality of evenly distributed feeding bowls are rotatably arranged between the two first chain drive mechanisms along their transmission direction. A locking structure is provided between adjacent feeding bowls. On the lower straight section of the chain of the first chain drive mechanism, the feeding bowls can maintain their position from rotation through the locking structure. The feeding frame is provided with a discharge support structure that enables the entire set of feeding bowls to flip as it moves on the upper straight section of the chain. A second motor drives the first chain drive mechanism, causing the feeding bowls to move cyclically, achieving continuous and efficient material conveying and improving feeding efficiency. Utilizing the cooperation of the discharge support guide rail, discharge notch, and rollers, the feeding bowls can be precisely controlled to flip and unload at specific positions, making the unloading process accurate and controllable.

The utility model discloses a positioning guide plate for 3D printing, which comprises a positioning base, and positioning mechanisms are respectively arranged on the left side and the right side of the positioning base. According to the positioning guide plate for 3D printing, the push plate is pushed towards the middle of the positioning base, then the limiting racks drive the clamping plates to slide towards the middle of the positioning base, the pushing distance is determined according to scales on the first graduated scale, and after the clamping plate on one side is pushed to a proper position, the clamping plates on the other side are pushed to the proper position. Then a model can be placed between the two clamping plates, then the other push plate is pushed, the two clamping plates are matched to clamp the model, the position of the model is accurately adjusted through the first graduated scale, the positioning position of the model is flexibly adjusted, the model positioning accuracy of the device is improved, and in the subsequent printing process, the printing efficiency is improved. A printing head or a nozzle can be accurately guided to print according to the requirements of a design file, and the condition of printing deviation or deformation is reduced.

The utility model belongs to the technical field of fuselage products for aerocars, and provides an aviation composite material part and a forming device thereof, the aviation composite material part comprises an inner plate body and an outer plate body, the inner plate body and the outer plate body are both made of thermoplastic materials, and the inner plate body and the outer plate body are formed into a whole through an upper mold and a lower mold in a thermoplastic mode. And a reinforced inner cavity is formed between the inner plate body and the outer plate body through gas assistance or water assistance. The utility model has the advantages that: an integrated demoulding mode is adopted, the position is accurate, the whole structure is simple, the weight is reduced, the strength and rigidity of the product are greatly increased, the material is recyclable, the environment-friendly effect is realized, puttying is not needed in surface treatment, the whole process is simple, the cost is low, the efficiency is high, and the mass production is realized.

The utility model provides a kind of width self-adapting foam tape cutting guide mechanism, including roof frame, still include: baffle wheel, the top end in the roof frame inside is installed by bolt, the both sides of roof frame are fixed with mounting seat, connecting frame, rotatingly connected in the side of roof frame, the bottom end of connecting frame away from the side of roof frame is rotatingly connected with front end plate, positioning structure, it is set in the inside of connecting frame.The utility model, by rotating crank handle to drive two-way screw rod rotation, make two groups of moving block to drive corresponding locating plate movement, adjust the spacing between two groups of locating plate, thus realized the width adjustment function of this device, can flexible adaptation different width specifications foam tape, without complex disassembly can be quickly completed adjustment, can automatically guide tape to keep central posture to convey simultaneously, effectively avoid material deviation, ensure that tape stress is even, position accurate when cutting.

The invention discloses a method for drawing a bottom surface disease distribution diagram of a main arch ring of a two-way curved arch bridge. According to the method, arch rib and arch wave numbers, an arch rib local coordinate system, an arch wave local coordinate system, a disease position recording standard, an overall coordinate system, an arch rib disease position description standard, an arch wave disease position description standard and a disease pattern drawing standard are included. On one hand, a set of independent local coordinate system based on a horizontal projection plane is established for each arch rib and arch wave of the main arch ring of the two-way curved arch bridge, on the other hand, a three-dimensional curved surface is expanded into a two-dimensional curved surface along the bridge direction and the transverse bridge direction, and an overall coordinate system reflecting the actual size of the main arch ring is established; local disease coordinates are reflected in the actual position of the main arch ring of the two-way curved arch bridge through coordinate conversion, and accurate disease drawing of the complex three-dimensional curved surface of the main arch ring of the two-way curved arch bridge is achieved.

This invention belongs to the field of grinding disc manufacturing technology, specifically relating to a diamond positioning and implanted grinding disc and its manufacturing method. The grinding disc substrate undergoes a series of processes including degreasing and activation treatments, followed by basic nickel plating to form a base nickel plating layer. Then, using photolithography, a photosensitive dry film pattern with pre-drilled micro-holes is created on the surface of the nickel plating layer. Adhesive is then applied to fill the micro-holes, and diamond abrasive grains are implanted, ensuring the sharp corners remain upwards for initial fixation. Finally, the photosensitive dry film is removed, and a thicker nickel plating reinforcement treatment is performed, ensuring the diamond abrasive grains are firmly encapsulated by the nickel plating layer. This method utilizes photolithography to achieve precise positioning and uniform distribution of the diamond abrasive grains on the substrate surface, and through process control, maintains the abrasive grains in a favorable cutting posture with their sharp corners upwards, significantly enhancing the grain holding strength and effectively preventing loosening, collapse, or detachment. The resulting grinding disc exhibits superior cutting efficiency and stability.

The utility model belongs to the technical field of guitars, and discloses a guitar shell, which comprises a guitar body and a guitar neck, the guitar body is connected with the guitar neck through a fixing bolt, a positioning assembly is arranged on the guitar neck at a position corresponding to the fixing bolt, and the positioning assembly comprises a fixing shell fixed on the guitar neck. Two springs which are symmetrically arranged up and down are arranged in the fixed shell, movable plates are connected to the ends, away from each other, of the springs, movable rods are connected to the sides, away from the springs, of the movable plates, the ends of the movable rods penetrate through the fixed shell and are connected with sawtooth plates, and the positioning assemblies can effectively limit displacement and rotation of the fixed bolts; according to the guitar, the connecting stability of the guitar body and the guitar neck is greatly enhanced, the loosening frequency of the fixing bolt is reduced, the times of checking and fastening the bolt by a player are reduced, the maintenance time and energy are saved, meanwhile, guitar performance reduction caused by loosening of the bolt is avoided, the service life of the guitar is prolonged, and the maintenance cost is reduced.

The invention relates to the technical field of display devices, and provides a display device and an air mouse remote controller. By applying the technical scheme provided by the embodiment of the invention, when the position coordinates of the air mouse remote controller exceed the coordinate range corresponding to the boundary of a display interface, the position coordinates of the air mouse remote controller are displayed. The first controller stops driving the first communicator to send the displacement data of the air mouse remote controller to the display equipment, that is, the display equipment cannot receive new displacement data, and at the moment, the display equipment can only retain the position of the indication cursor determined at the first moment; after the position coordinates of the air mouse remote controller at the second moment are in the coordinate range corresponding to the boundary of the display interface, the first controller of the air mouse remote controller sends displacement data of the air mouse remote controller between the first moment and the second moment to the display equipment, so that the display equipment displays the displacement data on the basis of the position coordinates of the indication cursor at the first moment. The position coordinates of the indication cursor at the second moment are determined, and therefore it is guaranteed that the position of the indication cursor is accurately displayed on the display interface.

The utility model provides a kind of battery casting and welding device, including lifting drive mechanism and battery carrier, the lifting drive mechanism has side by side arrangement left lifting position and right lifting position, the left lifting position and right lifting position synchronous staggered lifting action, the battery carrier is loaded on the left lifting position or right lifting position and follows and carries out lifting action;The utility model is lifted by battery carrier setting, so when battery carrier is loaded with battery and casting and welding mould on mould carrier is full of lead liquid, battery and lead liquid contact can be completed by the downshift of battery carrier and carry out casting and welding work, save the additional battery action of grabbing, high efficiency, realize continuous casting and welding production, solve the technical problems, such as the existing technology in the prior art, common battery is separately conveyed and fed, then battery is placed on the top of casting and welding mould containing lead liquid by additional setting feeding mechanism and is carried out casting and welding operation, low efficiency, poor degree of continuity.

The utility model relates to mechanical manufacturing field discloses a kind of welding tooling intermediate connecting piece positioning device, including workbench, the top of the workbench is fixedly connected with slide rail, the outer wall of the slide rail is slidably connected with support, the top of the workbench is fixedly connected with fixed plate, the top of the workbench is placed with main body, the inner wall of the main body is provided with connecting piece, the right side wall of the support is fixedly connected with moving rod, the inner wall of the moving rod is provided with movable mechanism, the top of the workbench is provided with limit component, and the movable mechanism includes top block.In the utility model, the bracket is moved by electric control slide rail drive, the cooperation of long rod and extrusion groove is utilized, and the linkage of top block and movable spring is utilized, the automatic positioning of connecting piece on main body is realized, the cumbersome operation of manual welding after lifting by tool is replaced by artificial, labor intensity is reduced, and welding efficiency is improved.

This invention relates to a Micro LED circuit board and a method for manufacturing the same. The method includes: providing an auxiliary film; using a laser to melt copper paste, causing the molten copper paste to drip dropwise onto a predefined pad area on a first surface of the auxiliary film to solidify and form pads; wherein, after the copper paste drips onto the pad area, a magnetic field perpendicular to the auxiliary film is applied to one side of the auxiliary film, wherein the direction of the magnetic field is opposite to the direction of the copper paste dripping; forming a circuit pattern connected to the pads on the auxiliary film; removing the auxiliary film to obtain a circuit board; and connecting a Micro LED chip to the pads on the circuit board to obtain a Micro LED circuit board. By using the auxiliary film to determine the position of the copper paste forming pads on the auxiliary film, and by using a magnetic field perpendicular to the direction of the auxiliary film to constrain the outward diffusion range of the copper paste dripping onto the auxiliary film, the size of the solidified copper paste can be precisely controlled, resulting in more accurate position and size of the pads, which is beneficial to improving the yield of Micro LED circuit boards.

This invention relates to the interdisciplinary field of mechanical engineering and optical inspection, and discloses a method and system for quality sorting of automotive stamping parts combined with optical inspection. The method includes: synchronous imaging by a high-speed linear array camera and a structured light projector via an encoder and photoelectric triggering device; fusing 3D point clouds and 2D images, and using a deep convolutional neural network for defect identification and quality grading; calculating the six-degree-of-freedom pose of the workpiece using an iterative nearest-point algorithm and principal component analysis; calculating the spatiotemporal parameters of sorting based on a predictive instruction generation module, and issuing dynamic control commands to multi-degree-of-freedom pneumatic push rods via a hard real-time communication bus to execute sorting. The system includes a synchronous triggering unit, an imaging unit, a defect identification unit, a pose calculation unit, a predictive instruction generation module, and a dynamic sorting execution unit. This invention achieves millisecond-level accurate identification and adaptive sorting, significantly improving detection accuracy, sorting efficiency, and system robustness.

The utility model discloses a vertical quenching machine tool, which relates to the technical field of vertical quenching appliances and comprises a base and a support frame mounted on the base, a heating mechanism is mounted in the base, a cooling mechanism is mounted at the bottom end of the support frame, a positioning mechanism is mounted at the top end of the support frame, and a chain matched with the positioning mechanism is mounted on the support frame; through the matching of the positioning mechanism and the moving assembly, the height of the positioning drill bit and the position of the heating ring can be conveniently changed, so that the quenching device can adapt to machined parts of different specifications, the quenching is relatively uniform, and the product quality is improved; through the cooperation of a pipeline and a second lead screw which are independently arranged, the cooling position and the cooling efficiency can be accurately positioned according to the quenching requirement, so that the machining precision is improved, and the problems of dimensional deviation and deformation are avoided; and finally, the problems that an existing device cannot adapt to machined parts of different specifications and the cooling precision is limited, so that the quenched machined parts have size deviation and deformation are solved.

The invention discloses a die switching device, a crimping station die switching method and wiring harness processing equipment, the die switching device comprises a rack, a translation mechanism, a sliding mechanism and a supporting mechanism, the sliding mechanism is arranged on the upper surface of the rack, the translation mechanism is connected with the sliding mechanism, the sliding mechanism is matched with at least two sets of dies, and the supporting mechanism is arranged on the upper surface of the rack. The supporting mechanism is arranged on the rack corresponding to a crimping station of the die, the translation mechanism can drive the sliding mechanism to drive the adaptive die to horizontally move so as to switch the target die to the crimping station, and the supporting mechanism can support the die at the crimping station. The sliding gap possibly existing in the sliding mechanism is counteracted through the supporting effect, and it is ensured that the die is always kept at the accurate position in the crimping process.

The utility model discloses a kind of conveying top pin mechanism of automatic capping machine, including conveying line and the carrier on conveying line transmission and for product loading, the middle below of conveying line is equipped with jacking structure, the position of jacking structure is equipped with blocking cylinder, limiting component and positioning component on conveying line;Jack-up structure includes fixed plate, the middle below of fixed plate is equipped with jacking cylinder, the piston rod of jacking cylinder is passed through fixed plate and is connected with jacking plate upwards, at least two pairs and symmetrically arranged top block are equipped on jacking plate, the side of top block is equipped with upwards protruding and for jacking jacking rod, magnet seat is equipped between top block and jacking plate.The utility model has the beneficial effects that: the quick separation of carrier and cover plate is realized, can adapt to the top pin separation operation between different sizes of carrier and cover plate, jacking is simple, easy;And the structure of this conveying top pin mechanism is simple, through quick change, quick adjustment realizes the conveying of different sizes of carrier, cover plate, top cover.

This utility model discloses a high-efficiency ink thinner adding device, including a frame, a support platform, a first hose, and a second hose. An ink turnover box is located on the top of the frame, and a support plate is located on the front side of the ink turnover box. A lifting cylinder is installed in the middle of the support plate, with the piston rod of the lifting cylinder pointing downwards and connected to a lifting plate. Several injection rods are evenly spaced laterally on the rear side of the lifting plate. The first hose connects the ink turnover box to the top inlet of the injection rods. Two symmetrical fixing plates are located on the rear side of the frame, and a thinner transfer pipe is connected to the fixing plates. The second hose connects the thinner transfer pipe to the side opening of the injection rods. The frame is also connected to a positioning and clamping mechanism. Multiple injection rods can accurately align with the material container to complete the adding and filling process, improving production efficiency and reducing manual labor intensity.

This invention relates to the field of energy dissipation facilities at the inlet of a ship lock, and more particularly to a main water conveyance corridor of a lock pier with an energy dissipation structure. The pier includes a lock pier with several water outlets at its top. Omnidirectional energy dissipation components are installed within each water outlet. Energy dissipation covers are installed on the lock pier at positions corresponding to the water outlets, and impact-resistant components are installed at the bottom of each energy dissipation cover. This invention, by setting up an omnidirectional energy dissipation component, uses a planetary gear system composed of a motor, shaft, sun gear, planetary carrier, planetary gears, and ring gear to stably transmit motor power to the drive column. This ensures the smooth rotation of the inner rotating sleeve and vortex blades, generating vortex flow and effectively consuming the energy of the water flow, achieving initial energy dissipation. Simultaneously, the angle of the vortex blades can be flexibly adjusted by controlling the extension and retraction of the telescopic cylinder's telescopic rod to adapt to different water flow conditions, further optimizing the energy dissipation effect.

The utility model provides a filter wire package oven positioning jig relates to positioning jig technical field, including locating upper cover group and locating base group, locating base group is used for accommodating product, locating upper cover group is used for covering and is fixed through buckle assembly in the top of locating base group, locating upper cover group includes locating upper cover and terminal locating pin, terminal locating pin is adapted with product, the utility model discloses that the second locating pin on locating base group cooperates with product shell locating hole and realizes the fixation and location of product and locating base group, and the first locating pin is inserted into product terminal hole to realize terminal location by manual pressing side pressing plate, and locating upper cover group covers into locating base group and buckles tightly, and terminal locating pin and product other side terminal hole position, so as to realize the closure of the upper and lower two parts of positioning jig and the location of product, realize the quick location and pick and place location of product and jig, realize the simultaneous location of both sides terminal hole of single product.

The utility model discloses autoclaved aerated concrete board mounting connecting piece, including the support rail of wall surface location: two concrete boards are arranged between two support rails, the surface of support rail is provided with a plurality of connecting components, the connecting component includes the connecting clamp plate sliding connection in the surface of support rail, the front side and the back of connecting clamp plate all are seted up with the welding position, the surface of support rail and the inner wall contact position of welding position are provided with the weld, the bottom of support rail is seted up with a plurality of second circular holes, the inner chamber of second circular hole is set up with the expansion sleeve, the expansion sleeve implants the inside of wall body. The utility model discloses the cooperation of support rail and expansion sleeve is used for providing the installation platform for connecting component, and under the cooperation of connecting component, the quick butt joint of two concrete boards is fixed, can reach the purpose that butt joint is simple and quick and connection is stable and reliable.

The feeding device comprises a machine table, and a flexible vibration disc, a storage assembly, a moving mechanism and a conveying line are arranged on the machine table. The conveying line can drive the trays to the storage area; a suction mechanism is mounted on the moving mechanism and can be driven to move along an X axis and a Y axis; the material suction mechanism is composed of a lifting assembly, a vacuum suction pipe, a first recognition camera and a second recognition camera, the lifting assembly is used for driving the vacuum suction pipe to ascend and descend, the first recognition camera recognizes the position of a product in the flexible vibration disc, and the vacuum suction pipe is driven by the moving mechanism to grab the product and place the product to the storage assembly; the second recognition camera recognizes the position of the product on the containing assembly, the lifting assembly is connected with the rotating motor to drive the vacuum suction pipe to rotate, and after the vacuum suction pipe grabs the product again, the rotating motor conducts angle compensation on the product according to position information of the second recognition camera, and the product is accurately placed on the tray. According to the device, through the storage assembly and secondary recognition positioning, dynamic compensation adjustment of the angle of a product is achieved, and the feeding stability is improved.

This utility model discloses a cutting device for producing motor shafts, relating to the field of motor shaft processing technology. The utility model includes a worktable, a cutting assembly and a rotating assembly mounted on the worktable. The cutting assembly includes a transmission frame rotatably mounted above the worktable via a bearing seat, a drive motor mounted at the tail of the transmission frame, a cutting tool mounted at the front of the transmission frame, and a cylinder for adjusting the rotation of the transmission frame relative to the bearing seat. The rotating assembly includes a transmission seat fixed to the edge of the worktable, a clamp fixed to the front of the transmission seat, a transmission belt for driving the rotation of the transmission seat, and a rotary motor. The motor shaft passes through the clamp and the transmission seat, and the clamping jaws of the clamp hold and fix the motor shaft to its circumference. This utility model, through the coordinated operation of the cutting assembly and the rotating assembly, achieves automatic rotation and precise cutting of the motor shaft, facilitating uniform and continuous cutting operations by the cutting tool.

The application provides a vacuum chuck performance detection equipment, which comprises a taking and placing assembly, a storing assembly and a first detection assembly. The taking and placing assembly comprises a mounting block and a first clamping jaw. The first clamping jaw is installed on the mounting block and is used for clamping the vacuum chuck. The storing assembly comprises a fixing seat and a storing tube. The storing tube is connected to the fixing seat and is used for storing the vacuum chuck. The first detection assembly comprises a detection lens, a workbench and a driving piece. The workbench is used for placing the vacuum chuck. The detection lens is arranged opposite to the workbench and is used for detecting the vacuum chuck on the workbench. The workbench is connected to the moving end of the driving piece. The driving piece is used for driving the workbench to move the vacuum chuck. The taking and placing assembly is connected to a mechanical hand through the mounting block. The mechanical hand is used for driving the first clamping jaw to move to the storing assembly, so that the vacuum chuck in the storing tube is clamped, and is used for driving the first clamping jaw to move the clamped vacuum chuck to the workbench. The application replaces manual work with the mechanical hand, and improves the detection efficiency.

The invention relates to the technical field of power system intelligent maintenance, and discloses a high-voltage circuit breaker fault intelligent diagnosis method and system based on deep learning, and the method comprises the following steps: 1) data collection: collecting multi-dimensional operation parameters of a high-voltage circuit breaker through a sensor system; 2) data preprocessing: carrying out noise filtering, abnormal point elimination, data normalization and other operations on the collected data; 3) deep learning model training: inputting historical fault data and normal operation data into a deep learning network for training, and optimizing model weight through back propagation; and 4) real-time diagnosis: inputting the data acquired in real time into the trained deep learning model, and analyzing the data by the model to obtain a fault diagnosis result. According to the method, technologies such as noise filtering (such as wavelet analysis) and abnormal point elimination (such as an isolated forest algorithm) are adopted, so that the data quality can be effectively improved, interference in model training is reduced, and the diagnosis accuracy is enhanced.

The invention discloses a defect detection method and device for a printed circuit board and coating equipment, and relates to the technical field of electronic manufacturing and detection.The method comprises the steps that a datum point position is obtained according to a datum point image of the printed circuit board, and a datum point offset value is obtained according to the datum point position and mechanical offset; obtaining a coating image of the printed circuit board according to the reference point deviation value, and registering the coating image with a standard template; and obtaining a difference image of the coating image and the standard template, and obtaining the defect type of the printed circuit board according to the difference image. According to the technical scheme, the reference point position is compensated through the mechanical offset to obtain the reference point offset value, the positioning precision of the reference point is improved, meanwhile, the difference value image is obtained after the coating image and the standard template are registered, the position accuracy of the difference value area is ensured, and the accuracy of the defect detection result is further improved.

The utility model discloses a product correction mechanism for display screen detection, which comprises a correction platform, a platform bottom plate, a screen fixing assembly and an FPC (Flexible Printed Circuit) fixing assembly, and the screen fixing assembly and the FPC fixing assembly are respectively arranged at two ends of the top of the platform bottom plate. The screen fixing assembly comprises an adsorption plate, and a first adsorption assembly is arranged in the adsorption plate and used for bearing and adsorbing the screen end. The FPC fixing assembly comprises dragging blocks, a theta-axis alignment assembly, an X-axis alignment assembly and a Y-axis alignment assembly, the dragging blocks are arranged at intervals, and second adsorption assemblies are arranged in the dragging blocks and used for bearing and adsorbing the FPC ends. The theta-axis alignment assembly, the X-axis alignment assembly and the Y-axis alignment assembly are sequentially arranged between the dragging block and the platform bottom plate in the third direction and used for adjusting and driving the dragging block in the fourth direction, the first direction and the second direction and driving the FPC end to move so that the FPC end can extend in the first direction, manual intervention can be reduced through automatic design of the alignment assemblies, and the production efficiency is improved. And the correction automation degree is improved.

This utility model discloses a CNC machining feeding device, relating to the field of machining feeding technology. It includes a conveying assembly, with a support frame fixedly connected to the top of the conveying assembly. An insertion slot is provided inside the support frame, and an insertion plate is inserted into the insertion slot. A connecting plate is fixedly connected to the side of the insertion plate. By providing the support frame and insertion plate, this utility model allows workpieces to pass through the conveyor belt individually and orderly during use. This ensures accurate positioning when entering the machining station, avoids clamping offset caused by stacking, and guarantees the accuracy of machining dimensions and hole positions. The device also includes a rotating roller and a rotating shaft, which protect the outer surface of the passing workpieces during use, effectively preventing scratches and guiding the workpieces to prevent them from getting stuck under the insertion plate.

The utility model discloses a kind of pole tear protective film devices, it relates to lithium battery manufacturing and automation equipment technical field. Including fixed frame, servo motor, waste recovery module, sucking pole module and pole tear film positioning module, fixed frame bottom is provided with waste recovery module, waste recovery module upper side is provided with servo motor, waste recovery module upper side is sequentially provided with pole tear film positioning module, sucking pole module. The utility model structure design is reasonable, tear film effect is stable by accurate positioning, and the waste recovery design of convenient and reasonable structure layout makes it can efficiently complete pole tear film task.