59results about How to "Guaranteed alignment accuracy" patented technology

The invention discloses an intelligent laser welding workstation for a high-voltage cable. The intelligent laser welding workstation comprises an operation table, a mechanical arm, a welding head, a camera assembly, a power assembly, a clamping assembly and a control piece. A control part is installed on the outer side of the operation table and comprises an image acquisition module, an image processing module, a track planning module, a motion control module, a quality detection module, a parameter adjustment module and a synchronous control module. Visual guidance and real-time monitoring in the welding process are achieved through the camera assembly, a welding center point is accurately positioned through an image processing algorithm, the track planning module generates a smooth welding path, and the parameter adjusting module dynamically adjusts welding parameters according to a molten pool image. The synchronous control module receives a production line signal to realize full-process automation of automatic clamping, welding and loosening; efficient and stable laser welding seamlessly integrated with the cable manufacturing process is achieved, and the automation degree, welding precision and product reliability of a production line are improved.

The utility model discloses a compartment type powder cleaning system with a fixed forming part, which is characterized in that a piston driving device drives a forming piston to lift in a forming cylinder, and a forming cylinder lifting driving device drives the forming cylinder to lift; the upper end of the forming cylinder can be inserted into an opening of a bottom plate of the forming chamber in a sealed mode and is connected with a working plane on the upper side of the bottom plate of the forming chamber in an aligned mode, the powder cleaning cylinder driving device drives the powder cleaning outer cylinder to ascend and descend, and the upper end face of the powder cleaning outer cylinder can make sealed contact with the lower side face of the bottom plate of the forming chamber. The lower portion of the forming cylinder and the lower portion of the powder cleaning outer cylinder can be aligned and connected with the upper end face of a forming piston after 3D printing is completed, a powder containing space with the upper end face of the forming cylinder and the upper end face of the forming piston as the bottom face can be formed in the powder cleaning outer cylinder, and the dust collector can suck away powder in the powder containing space through a powder suction opening in the side wall of the powder cleaning outer cylinder. According to the 3D printing device, the centering precision of the forming cylinder is guaranteed, and intelligent and automatic powder cleaning and piece taking of the 3D printing device are achieved.

The utility model relates to an automatic feeding and discharging device for PCBs. According to the technical scheme, the automatic feeding and discharging device is characterized by comprising a rack; a suction cup moving mechanism is arranged on the rack; the suction cup moving mechanism is provided with an output end; a jointed board adsorption mechanism is arranged at the output end of the suction cup moving mechanism; a table top lifting mechanism is arranged on the rack and located below the jointed board adsorption mechanism. By arranging the table top lifting mechanism, the table top, used for transporting the PCB, on the skip car can be lifted into the moving range of the suction cup moving mechanism, and therefore the stroke of the suction cup moving mechanism is reduced; the position of the jointed board adsorption mechanism is adjusted through the suction cup moving mechanism, the jointed board adsorption mechanism adsorbs the multiple stacks of PCBs on the table top, the multiple stacks of PCBs are placed on the working table top of the depth control gong equipment side by side for board jointing, automatic feeding and discharging operation of the PCBs is achieved, the processing requirements of the PCBs of different specifications and numbers are met, the production efficiency is effectively improved, and the production cost is reduced. And errors caused by human factors are reduced.

The utility model provides a kind of human resource management archives auxiliary threading device, it is related to the technical field of archives management, including base, left stand plate, first sliding slot, first bearing, first lifting plate, screw rod, hand wheel, upper antiskid block, lower antiskid block, arc hole and punch assembly etc.;Traditional manual binding needs page by page alignment, manual punching, for the archives of greater thickness, it is cumbersome and time-consuming to operate.And the device realizes automatic punching through punch assembly, multiple drill bits can work simultaneously, and punching operation of multiple hole positions is completed at one time, which greatly reduces the punching time and significantly improves the overall efficiency of archives binding.Operators do not need to repeat punching, threading and other mechanical actions, effectively reducing hand fatigue caused by long-term operation, reducing the work failure rate and reducing labor intensity.

This invention discloses a production line and equipment for surface correction of electro-galvanized steel wire, relating to the field of surface correction technology for electro-galvanized steel wire. It includes a functional box, a robotic arm, and a first clamping cylinder. A first servo motor is housed in a protective shell at the top of the outer wall of the functional box. The first servo motor is connected to the robotic arm via a rotating shaft. The robotic arm is connected to a first cylinder via a connecting rod. A first drawing die is mounted on the side of the outer wall of the first cylinder. A second servo motor inside the first cylinder is connected to a transmission shaft via a helical gear set. The transmission shaft is connected to the first clamping cylinder via threads on the outer wall. This invention, by installing a functional box, robotic arm, first cylinder, first clamping cylinder, limit ring, first servo motor, and second servo motor, achieves rapid and safe replacement of the drawing die, avoiding direct contact between workers and the high-temperature die, eliminating the risk of burns, greatly improving production efficiency and safety, and ensuring product quality stability.

The application relates to the technical field of image digitization, in particular to an image processing method and device based on AI frame alignment and blur elimination, equipment and a medium, which comprises the following steps: acquiring continuous multiple frames of image data, performing feature extraction on each frame of image data, the feature extraction comprises detecting image feature points by using a detection algorithm, and a binary feature vector of each image feature point is generated; the binary feature vector is input into a pre-trained lightweight neural network model for feature matching, a geometric transformation model between each frame is calculated, and a transformation matrix is obtained; according to the transformation matrix, geometric transformation is applied to the current frame, alignment with a reference frame is realized through inverse mapping and bilinear interpolation; through a content perception filling algorithm, a boundary missing area generated due to geometric transformation in the aligned image data is identified and repaired, and the aligned image data is filled. The application has the effect of improving the quality of a film and television work after scanning.

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 invention relates to the field of hydraulic support installation technology, and more particularly to an installation device and method for installing the side guard plate of the top beam of a hydraulic support. The invention includes a horizontally arranged placement platform and a telescopic frame. The telescopic frame includes multiple sets of telescopic components, which are arranged parallel to each other and spaced apart along the length of the placement platform. Each set of telescopic components includes a fixed cylinder, a push-pull rod, a first hydraulic cylinder, and two vertically arranged clamping columns, all arranged along the width of the placement platform. The fixed cylinder is fixedly installed on the bottom wall of the placement platform. The push-pull rod is inserted into the fixed cylinder, and the opposite ends of the push-pull rod and the fixed cylinder are respectively fixedly connected to the two clamping columns. The first hydraulic cylinder is fixedly installed inside the fixed cylinder. By setting multiple sets of telescopic components, multiple first hydraulic cylinders can drive multiple clamping columns to move synchronously inward, thereby applying a stable and uniform compressive force to the side guard plate and overcoming the elastic force of the compression spring on the guide rod of the side guard plate.

The utility model relates to glass steel product assembly technical field, concretely relates to a kind of positioning tool for positioning column center distance assembly, the positioning column at least two, the parallel arrangement between the positioning column, the positioning tool includes connecting sleeve head and connecting rod, the connecting sleeve head one end is matched with positioning column, and the other end is provided with connecting rod;The clearance fit between the connecting sleeve head and positioning column, the positioning column includes column stem, protruding portion and column head from below to above in order, the width of protruding portion is greater than the width of column head, and the width of column head is greater than the width of column stem;The bottom of connecting sleeve head is provided with positioning slot, and the positioning slot is matched with column head, and at least two connecting sleeve heads are provided on the connecting rod.The utility model is convenient and fast, and positioning accuracy is high, reduces random error, improves assembly efficiency and assembly qualification rate, meets the requirement of product batch consistency, with remarkable engineering application value.

The embodiment of the application discloses a punching die and a punch, the punching die comprises an upper die and a lower die, the upper die comprises an upper die seat, a punch, and a first positioning structure, the first positioning structure and the punch are arranged on the upper die seat; the lower die comprises a lower die seat, a die core, and a second positioning structure, the die core is arranged on the second positioning structure, and the second positioning structure is movably connected to the lower die seat. When the punching die is in a closed die state, the second positioning structure is positioned and matched with the first positioning structure, the punch is arranged in the die core, and the die core is pressed against the lower die seat. In this way, when the punching die is in the closed die state, the die core is pressed against the lower die seat, so that the pressure applied by the punch can be shared by multiple components (such as the die core, the lower die seat, and the like), thereby avoiding that the die core bears the force of the punch alone, and thus the stress concentration on the die core is reduced, and the risk of fracture of the die core is reduced.

The utility model provides a kind of locking and unlocking mechanism of skid, it is related to the technical field of industrial conveying, including base, the top of base is provided with lifting frame, lifting assembly is installed between base and lifting frame;Lifting assembly is used to drive lifting frame to lift;Four corners of lifting frame are all installed with unlocking mechanism;Lifting assembly includes driving motor, driving motor is fixedly installed on base, the rotating end of driving motor is fixedly connected with driving synchronous pulley, and two horizontal shafts are symmetrically provided on the top of base;Unlocking mechanism can cooperate with skid positioning hole of skid by skid positioning pin, ensure alignment accuracy, skid has inductive sensor real-time detection skid whether in place, combined with unlocking lever opening position inductive sensor and unlocking lever locking position inductive sensor accurate feedback to locking and unlocking state, form whole-process automation control, replace artificial alignment and state confirmation, improve operating efficiency.

This application discloses a surgical instrument comprising a handle assembly, a barrel assembly, and an actuator assembly. The proximal end of the barrel assembly is connected to the handle assembly. The barrel assembly includes a transmission mechanism, a first pusher, a second pusher, and a contact member. The contact member is disposed on the first pusher, and the transmission mechanism is connected to the first pusher. The distal end of the barrel assembly is connected to the actuator assembly. The actuator assembly includes a first jaw and a second jaw. The proximal end of the first jaw has a fixed rotating shaft, and the proximal end of the second jaw is rotatably connected to the fixed rotating shaft. The first pusher has a first mating surface, and the second jaw has a second mating surface. The transmission mechanism can drive the first pusher to move toward the distal end of the actuator assembly, thereby causing the first mating surface to press against the second mating surface. The second jaw has a mating portion, and the contact member is movably engaged with the mating portion. The transmission mechanism can also drive the first pusher away from the actuator assembly, thereby causing the contact member to press against the mating portion.

The utility model discloses a high-precision low-flow-resistance stop valve, belongs to the technical field of valves, and provides the following technical scheme for solving the problem that the flow pressure adjusting precision is reduced due to vibration of a valve clack of a traditional stop valve: the valve clack is connected with a valve rod through a plurality of groups of supporting assemblies which are uniformly distributed in the circumferential direction, and an inner rod and an outer rod form an axial telescopic structure; and the turntable is in running fit with the valve rod through the L-shaped connecting ring. An annular communicating groove is formed in the top of the valve clack, an annular connecting groove is formed in the corresponding position of the bottom of the valve clack, the two grooves are communicated through communicating holes in an annular array, and a sealing ring capable of being embedded into the connecting groove is arranged in the corresponding position of the inner wall of the valve cavity. When the valve is opened, fluid can directly penetrate through the valve clack through the communicating hole to reduce impact force, the supporting assembly counteracts lateral acting force of the fluid on the valve clack through the axial bearing structure, and bending deformation of the valve rod is prevented. According to the valve, the fluid control precision and the operation stability are effectively improved while the sealing performance is kept by optimizing the fluid channel shape and the valve clack supporting structure.

This invention provides a glass substrate optoelectronic co-packaging structure and its fabrication method, addressing the technical problems of existing glass substrate-based optoelectronic co-packaging structures, such as easy mounting errors during assembly, poor structural stability, and easy displacement relative to the glass substrate during operation, resulting in transmission loss. The glass substrate optoelectronic co-packaging structure of this invention innovatively embeds optoelectronic integrated chips and integrated circuit chips within the glass substrate, and also incorporates a microbridge structure and a pluggable fiber array within the glass substrate. This not only reduces the overall volume of the packaging structure but also effectively improves the structural stability of each component, reducing failures caused by poor packaging or component detachment, and increasing packaging yield. More importantly, this design effectively ensures alignment accuracy, enabling precise docking between the optoelectronic integrated chip and the external optical signal array, achieving efficient and low-loss transmission of optical signals.

This utility model discloses a two-way push-button switch, including a base, a top cover, a button, a waterproof ring, a connector, and a PCB board. Tactile switches are located on both sides of the PCB board, and adapter pressing heads are located on both sides of the button. The top cover covers the base. The key improvement lies in the following: the top cover has a raised rocker step on one side of the button, with a first contact plane at the top of the rocker step contacting the top wall of the button; elastic retaining rings are located on both sides of the button, with a second contact plane on the bottom surface of the retaining groove; and retaining steps are located on both sides of the top cover, with a third contact plane on the bottom surface that adapts to the second contact plane; the rocker step, elastic retaining rings, and retaining steps are all located between the two pressing heads. This design uses multiple sets of planar mating surfaces instead of traditional circular mating surfaces, effectively limiting the radial displacement of the button relative to the top cover, preventing the button from wobbling left and right, and ensuring the alignment accuracy between the pressing heads and the tactile switches; at the same time, it constrains the button pressing trajectory, preventing accidental pressing caused by button tilting when pressing one side or the middle, and eliminating circuit malfunctions.

The application discloses a kind of steel structural member automation welding positioning tool and operation method, belong to welding processing technical field, using sectional time sequence release force clamping structure, along the length direction of weld interval arrangement multiple independent clamping units, with lateral positioning reference component jointly form the bidirectional positioning constraint of workpiece width direction;Matched with welding gun synchronous movement linkage trigger mechanism output pneumatic trigger signal, so that welding heat-affected zone keeps rated clamping force to guarantee positioning accuracy.The application adopts the above-mentioned steel structural member automation welding positioning tool and operation method, can reduce weld residual tensile stress peak value under the premise of guaranteeing weld lateral misalignment amount ≤0.3mm, component lateral bending deformation is reduced;Pure pneumatic control is used throughout, and the ability to resist welding spatter, high-temperature thermal radiation and electromagnetic interference is strong, suitable for H-shaped steel, box girder and other long strip-shaped steel structural member automatic assembly welding.

The utility model provides a splicing type color matching panel which comprises a first color matching panel body and a second color matching panel body, a splicing piece is arranged at the splicing position of the first color matching panel body and the second color matching panel body, a first splicing part is arranged at the splicing position of the first color matching panel body and the second color matching panel body, and the splicing piece comprises a splicing body and a second splicing part. The second splicing part is arranged on the splicing body, and the second splicing part is connected with the first splicing part on the first color matching panel and the first splicing part on the second color matching panel, so that the first color matching surface and the second color matching panel are spliced together. Panels which need to be subjected to chemical treatment for multiple times originally are designed in a segmented mode, the first splicing parts are arranged on the first color matching panel and the second color matching panel, the splicing pieces used for being connected with the color matching panels are arranged, the splicing pieces are provided with the second splicing parts connected with the first splicing parts, and therefore the segmented panels can be spliced into a whole, each segment can be independently treated, and the splicing efficiency is improved. Multiple coverage is not needed, the process is simpler, and the problem of fuzzy process boundary is solved.

The invention discloses a welding embracing ring assembly of a cylindrical structural part and a welding tool, and belongs to the technical field of cylindrical structural part welding. The method is used for solving at least one of the problems that in the prior art, a lower-layer skin of a cylindrical structural part lacks continuous and stable supporting, deformation or displacement is caused, welding seam gaps are not uniform, the centering precision of a to-be-welded welding seam is reduced, and the welding quality is poor. The welding embracing ring assembly comprises a front-end embracing ring, a rear-end embracing ring, a front-end shape maintaining assembly, a rear-end shape maintaining assembly and a middle shape maintaining assembly, wherein the front-end shape maintaining assembly, the rear-end shape maintaining assembly and the middle shape maintaining assembly are used for supporting a lower side skin; the front-end shape-maintaining assembly is arranged in the annular area of the front-end embracing ring and located on the inner wall of the inner concave position of the front end of the lower side skin, the rear-end shape-maintaining assembly is arranged in the annular area of the rear-end embracing ring and located on the inner wall of the inner concave position of the rear end of the lower side skin, and the middle shape-maintaining assembly is arranged between the front-end shape-maintaining assembly and the rear-end shape-maintaining assembly and located in the middle of the lower side skin. The method can be used for welding the cylindrical structural member.

The utility model provides a material distributing device and a batch feeder, and relates to the technical field of packaging. The material distributing device comprises a base, a switch assembly, a plurality of material stirring assemblies and a driving assembly, the base is provided with a plurality of material distributing openings, and all the material distributing openings are formed in the extending direction of the base at intervals. The switch assembly is connected with the base, and the switch assembly can enable the corresponding material distribution opening to be switched between an open state and a closed state; a material stirring groove is formed in the material stirring assembly and used for containing materials. The driving assembly is connected with the material stirring assembly, the driving assembly is used for driving the material stirring assembly to move in the extending direction of the base in a reciprocating mode, a discharging position is arranged on the moving path of the material stirring assembly, and under the condition that the material stirring assembly is located at the discharging position, one material distribution opening is correspondingly formed below each material stirring groove. The device can replace manual material distribution, the working efficiency is higher, and time and labor are saved.

The utility model relates to the technical field of gauze processing, and provides a multi-layer gauze one-time weaving device which comprises a processing plate, a feeding locking assembly is arranged on a supporting frame which is arranged on the upper end face of the processing plate, and a supporting driving assembly is arranged on the side wall of the supporting frame; the feeding locking assembly comprises a driving shaft, the gauze reel is sleeved with a positioning gear, and the positioning gear is meshed with the positioning clamp. By means of the technical scheme, the problems that in the prior art, a successive stacking and step-by-step weaving method is usually adopted for weaving of multiple layers of gauze, the process is complex in procedure and needs to consume a large amount of time and labor cost, and in the multiple weaving processes, due to the fact that weaving conditions of different batches are difficult to be completely consistent, the weaving efficiency is high are solved. And the quality stability and the overall performance of a final product are affected due to the fact that the connection among the layers of gauze is not tight and uniform enough.

The utility model relates to the technical field of battery assembly, and provides an auxiliary tool for assembling a battery cell module, which is characterized in that an upper side plate and a lower side plate are encircled to form a double-side limited accommodating area, and constraining force is synchronously applied to two sides of a battery cell, so that the problem that the battery cell deviates or inclines due to traditional single-side positioning is effectively solved; and the alignment precision of the axes of the multi-layer battery cells is ensured. The locking unit adopts a modularized quick closing mechanism (such as the collaborative design of a rotating shaft pressing plate and a knob handle) to replace a traditional bolt and nut structure, quick closing of the tool and accurate application of constant pressing force are achieved through the rotating shaft pressing plate overturning and 90-degree rotating self-locking mechanism of the knob handle, the complexity of manual tightening operation is avoided, and the working efficiency is improved. The labor intensity is obviously reduced; and the assembly efficiency is improved. The wave profiling structures of the upper and lower side plates are embedded in the circumferential direction of the cylindrical battery cell through the arc-shaped grooves, and are matched with the elastic material to compensate tolerance, so that uniform lamination between battery cell layers is ensured, and the lamination stress is dispersed.

This utility model discloses a planar linear bearing, including a base, rollers, and an end cap. The base has a groove, and the rollers are disposed within the groove. The groove includes a first groove, a second groove, and a transition groove. The second groove is deeper than the first groove. The first and second grooves are smoothly connected via the transition groove to form a loop. An exposure window is provided on the first groove. The end cap covers the base, shielding the groove. The end cap includes a support portion and a connecting portion. The support portion is positioned corresponding to the first groove, and the connecting portion is positioned corresponding to the second groove. The connecting portion is higher than the support portion, and the connecting portion and the support portion are connected by a transition slope. The base also has a positioning component for positioning the end cap. Its structure is simple, increases bearing load, ensures structural strength, and possesses good toughness, thus improving structural performance.

The application discloses a die forging press workbench clamping device and a working method thereof and belongs to the technical field of die forging equipment. The die forging press workbench clamping device comprises positioning assemblies and clamping assemblies arranged on the two sides of a workbench. The positioning assemblies and the clamping assemblies are detachably connected with supporting beams. The output end of the positioning assembly can be close to or away from the workbench along the horizontal direction. The clamping assembly comprises a hanging plate. The lower side of the hanging plate is detachably connected with the supporting beam. The middle part of the hanging plate is provided with a clamping strip. The upper part of the hanging plate is provided with a clamping driving unit. The output end of the clamping driving unit is connected with a pressing block. The side part of the workbench is provided with a wedge-shaped groove. The lower part of the wedge-shaped groove is provided with a pressing strip. The side of the pressing block facing the workbench is provided with a pressing inclined surface. After the pressing block moves by a preset distance, the pressing inclined surface and the inclined surface of the groove wall of the wedge-shaped groove form a wedge-shaped cooperation. The clamping strip and the pressing strip abut. The die forging press workbench clamping device can provide greater vertical clamping force and has accurate positioning function. Moreover, the die forging press workbench clamping device can realize overload protection through gradual deformation of itself, so that the workbench and the main machine structure are prevented from being damaged.

The utility model relates to zip fastener tape production technical field especially is a zip fastener tape feeding mechanism, including installation support, horizontal feeding assembly, be connected in the installation support, be configured as provide horizontal driving force, mounting seat, sliding connection in the installation support, and with the output end drive connection of horizontal feeding assembly, to be driven under horizontal feeding assembly along horizontal displacement, pressure material assembly, install in the mounting seat, pressure material assembly includes limit piece and pressure tightly, and be configured as having two independent downstroke, the utility model discloses two independent downstroke design of pressure material assembly, solved the traditional feeding mechanism limit unreliable, the problem of conflict of pressure hold and conveying, effectively limit horizontal deviation, ensure the alignment accuracy of chain tooth, avoid the middle cloth belt slack fold simultaneously, prevent skidding through the pressure tooth increase friction, can adapt to metal, nylon and so on different material chain tooth, balance material integrity and feeding power.

An angle steel welding robot comprises a robot body for welding angle steel and a platform for placing the angle steel, a positioning device for positioning the angle steel is arranged on the platform, and the positioning device comprises a first positioning mechanism and a second positioning mechanism which are used for positioning the angle steel respectively. The first positioning mechanism and the second positioning mechanism enable the two pieces of angle steel to form a vertical included angle after being positioned. The double-angle steel welding device has the advantages that through the synergistic effect that the two independent positioning mechanisms form the vertical included angle, precise positioning and welding angle control of double angle steel can be achieved.

The invention relates to the technical field of photoelectric display manufacturing, in particular to an optical film laminating device of a reflector plate and brightness enhancement film composite structure and a control method thereof.The optical film laminating device comprises a calibration platform, a supporting plate and a portal frame, the portal frame used for fixing a downward pressing assembly is installed at the upper end of the calibration platform, and the calibrated supporting plate is placed at the upper end of the calibration platform; a bottom membrane is placed on the inner side of the upper end of the supporting plate, a laminating assembly used for laminating the upper-end membrane is arranged at the upper end of the supporting plate, and the upper end of the laminating assembly is connected with the portal frame through a downward pressing assembly; the laminating assembly comprises a laminating shell, driving units are installed on the two sides of the laminating shell, exhaust assemblies are installed at the driving ends of the driving units, and the lowermost ends of the exhaust assemblies are tightly attached to the positioning assembly. The parallel rollers controlled by the driving unit synchronously move towards the two sides, the elastic plate is gradually flattened, the process is like a scraper blade, and residual air can be thoroughly exhausted.

This utility model relates to the field of three-way plug valve technology and discloses a three-way plug valve, including a three-way valve body and a connecting plate. The connecting plate is disposed above the three-way valve body, and multiple mounting bolts are threadedly connected to the connection between the connecting plate and the three-way valve body. A drive shaft is rotatably connected inside the connecting plate, and the shaft of the drive shaft extends into the interior of the three-way valve body. A valve core is rotatably disposed inside the three-way valve body, and the top end of the valve core is fixedly connected to the bottom end of the drive shaft. When the drive shaft is rotated to switch the passage, the pressure plate rotates with the drive shaft. When the right-angle hole of the valve core aligns with the target passage, the pressure plate contacts one of the pressure sensors and applies pressure. The pressure sensor transmits the pressure signal to the controller through a wire. The controller can feed back the signal to an external control system, realizing accurate detection and feedback of the valve core switching position, ensuring accurate passage switching.

The utility model relates to the technical field of electronic manufacturing, in particular to a punching positioning device for processing a flexible circuit board. The utility model provides a punching positioning device for flexible circuit board processing, which comprises a base, a support frame, a cylinder, a push plate, a cutting die, a guide frame, a guide rod and the like, the left side of the base is connected with the support frame, the cylinder is mounted on the upper side in the support frame, the telescopic end of the cylinder penetrates through the support frame and is connected with the push plate, and the cutting die is mounted on the lower side of the push plate. The upper side of the base is connected with a guide frame, and guide rods are arranged in the base. Through cooperative cooperation of the electric sliding rail and the sliding frame, the sliding frame and all parts borne by the sliding frame move front and back in the horizontal direction, so that precise preliminary adjustment of the punching position of the flexible circuit board is achieved, the positioning efficiency is improved, the alignment accuracy of the flexible circuit board in the machining process is effectively guaranteed, and the production efficiency is improved. And the punching precision and the product consistency can be improved.

This invention discloses a forming device and method for forming a hydrogen-barrier material layer on the inner wall of a hydrogen-resistant bend, belonging to the field of bend inner wall coating forming. It includes a shell, with a guide head fixed at one end and a connector at the rear. A guide wheel is connected to the outside of the guide head. Spray nozzles are evenly distributed on the shell near the guide head. The rear wheel is linked to a drive plate, achieving adaptive adjustment of "the greater the bend, the more coating," ensuring uniform coating at the bend. The trigger component uses pure mechanical linkage, requiring no sensors, resulting in a simple and reliable structure. In the switching structure, the nozzle groove and the sealing slide have the same stroke, enabling continuous linear adjustment of the coating amount, avoiding leakage and unevenness. The cover plate provides unidirectional control to prevent backflow and ensure stable spray pressure. The guide wheel and rear wheel fixing seat are retractable to adapt to different pipe diameters, and the guide head weight-reducing holes improve throughput. An even number of nozzles with the same spray range avoids coating overlap or blind spots.