23results about How to "Precise closure" patented technology

The invention relates to a surgical instrument. The double-pole closing forceps comprise a double-pole closing forceps assembly, a long shaft and a driving device, the long shaft comprises a transmission assembly arranged in the long shaft, the near end of the transmission assembly is connected with the driving device, and the far end of the transmission assembly is detachably connected with the bipolar closing clamp assembly so as to transmit push-pull force in the axial direction of the long shaft. The bipolar closing clamp assembly comprises two clamp bodies, a driving assembly, a base and two conductive wires. Each forceps body comprises a forceps head, a forceps arm and a plastic connecting piece connected between the forceps head and the forceps arm; the two clamp bodies are rotatably arranged on the base and are used for driving the assembly to drive the clamp arms to rotate so as to drive the clamp heads to execute opening and closing actions; a hollow fusiform occlusal surface is formed by the tooth tops of the plurality of teeth of the two tong heads; the tooth tops of the multiple teeth of one tong head are right opposite to the tooth grooves of the multiple teeth of the other tong head on the opposite side. And each clamp head is electrically connected with one conductive wire.

The invention discloses an injection molding device with a circulating cooling function, and relates to the technical field of injection molding devices.The injection molding device comprises a feeding mechanism, an injection molding mechanism, a transmission mechanism and a temperature control mechanism, the feeding mechanism and the injection molding mechanism are connected in a fastened mode, the transmission mechanism and the injection molding mechanism are connected in a fastened mode, and the temperature control mechanism and the injection molding mechanism are connected in a fastened mode; the temperature control mechanism is communicated with the feeding mechanism, the feeding mechanism is communicated with the injection molding mechanism, the temperature control mechanism is in fastening connection with the injection molding mechanism, the temperature control mechanism is communicated with the injection molding mechanism, the transmission mechanism is in fastening connection with the injection molding mechanism, opening, closing and injection molding actions of the injection molding mechanism are driven by the transmission mechanism, and the temperature control mechanism is in fastening connection with the injection molding mechanism. The temperature control mechanism adjusts the temperature of the injection molding mechanism and the temperature of the feeding mechanism, and raw materials enter the injection molding mechanism through the feeding mechanism and are heated and plasticized under the action of the temperature control mechanism.

The utility model relates to a filtering device for amitraz production, which comprises a frame body, a filtering box is fixedly connected in the frame body, a feeding pipe is fixedly connected at the top of the filtering box, a transmission mechanism is arranged at the top of the frame body, a backflow preventing mechanism is arranged in the feeding pipe, and a backflow preventing mechanism is arranged in the backflow preventing mechanism. The backflow preventing mechanism comprises a fixing table fixedly connected to the interior of the feeding pipe, a blocking block is slidably connected to the interior of the fixing table, supporting plates are fixedly connected to the interior of the feeding pipe, and an electric push rod is fixedly connected to the top of the supporting plate on one side. According to the filtering device for amitraz production, through the matched design of the fixing table and the blocking block and the synergistic effect of the electric push rod and the telescopic sleeve, the feeding pipe can be rapidly and accurately closed after materials are conveyed, and amitraz powder is effectively prevented from flowing back to a conveying pipeline on the upper layer of the feeding pipe due to the influence of gravity or airflow; due to the design of the blocking block with the trapezoidal section and the fixing table, the sealing effect is further enhanced, and the reliability of backflow prevention is ensured.

The utility model discloses a stamping die for an anti-explosion valve plate. The stamping die comprises a base, a fixing hole is formed in the upper surface of the base, a lower die base is arranged above the base, an installation hole is formed in the upper surface of the lower die base, a bolt penetrates through the installation hole, and a lower die is installed above the lower die base. According to the stamping die for the anti-explosion valve plate, the lower die, the limiting sleeve, the upper die, the limiting rod and the spring are used in cooperation, in the stamping forming process of the anti-explosion valve plate, the upper die and the lower die can be closed, and at the moment, the limiting rod can be aligned and penetrate into the limiting sleeve, so that the upper die is guided; the upper mold and the lower mold are closed more accurately, the forming rate of the anti-explosion valve plate is increased, the lower portion of the spring abuts against the limiting sleeve when the upper mold is pressed downwards, the spring is compressed, the upper mold is buffered, and the upper mold and the lower mold are prevented from being greatly abraded after long-time use.

This utility model relates to the field of valve technology, and in particular to a two-way valve and an explosion-proof valve. The two-way valve provided by this utility model includes a housing and a fixed base forming an air exchange channel, and a first movable member and a second movable member. At least a portion of the first movable member passes through the second movable member and extends into the fixed base. The first movable member is axially movable relative to the second movable member and the fixed base. When the first movable member moves in a first direction, the air outlet channel communicates with a first gap. When the first movable member pushes the second movable member to move in a second direction, the air inlet channel communicates with the first gap. The movement of the first movable member within the air exchange channel forms separate air outlet and air inlet channels, precisely controlling the airflow direction, avoiding turbulence and backflow, improving exhaust efficiency, and adapting to airflow pressure requirements in different directions.

This application relates to the field of vision control technology, and in particular to a method and system for compensation and control of CNC machine tools based on industrial vision. The method includes: acquiring real-time images and the position coordinates of the CNC machine tool during the machining process; parsing the current machining instructions to reconstruct the theoretical trajectory, and then constructing an initial contour of an active contour model; performing multiple iterative evolutions on the initial contour using the active contour model until a target contour is obtained; calculating spatial compensation components based on the image deviation of the target contour relative to the initial contour; and adjusting the workpiece zero-point offset of the CNC machine tool using the spatial compensation components. The technical solution of this application can effectively improve the machining accuracy and stability of CNC machine tools in complex machining environments.

The utility model discloses a guide device for science and technology information exhibition, which comprises a storage box, an air cylinder is arranged in the storage box, the output end of the air cylinder is connected with a base, a multimedia all-in-one machine is arranged on the base, two positioning plates are arranged on one side of the base, and the tops of the two positioning plates are connected with an abutting plate. Two fixing seats are mounted at the top of the storage box, a rotating shaft is connected between the two fixing seats, a top cover is rotatably arranged on the rotating shaft, and torsional springs are connected between the top cover and the two fixing seats. After the multimedia all-in-one machine is used, in the process that the air cylinder drives the multimedia all-in-one machine to move into the storage box, the two torsion springs can drive the corresponding top covers to rotate to the top opening of the storage box to seal the opening, a safe storage environment is provided for the multimedia all-in-one machine through the retracting function, and meanwhile the multimedia all-in-one machine is convenient to use. The top cover arranged on the device can be automatically closed after the multimedia all-in-one machine is withdrawn, and dust and impurities are effectively prevented from entering the storage box.

The utility model relates to bolt production equipment technical field, one embodiment of the public provides a kind of cold header for nut bolt production, including cold header body, the right side of the cold header body is fixedly connected with mounting plate, the inside of the mounting plate is equipped with limit hole, the inner surface of the limit hole is movably connected with movable shaft, the outer surface of the movable shaft is fixedly sleeved with round wheel, in the public, by setting rectangular block, driving motor, screw, movable plate and connecting rod, when driving motor operates, it will make screw rotate and drive movable plate to move right, further make two connecting rods rotate and drive two rectangular blocks to move away from each other, to drive four round wheels to move away from each other between two, the purpose of adjusting the distance between round wheel is realized, different diameter raw materials are conveniently transported, by the above technical scheme, the technical problem that round wheel is inconvenient to adjust in the prior art is solved.

The invention discloses a multi-blade regulating valve and an air conditioner comprising the multi-blade regulating valve, and particularly relates to the technical field of multi-blade regulating valves, the multi-blade regulating valve comprises a shell, a plurality of blades, and a closed monitoring assembly, a replacement assembly and a driving assembly which are arranged in the shell; the adjusting shaft and the rotating sleeve are synchronously controlled through the driving assembly, and the rotating sleeve is located at the vertical position when the blades are closed; when air leaks due to the fact that the interior of the shell is not tightly closed, airflow pushes the rotating sleeve to rotate and strikes the pressing plate, the touch sensor is triggered to generate an electric signal, the electric signal is fed back to an air conditioner control system, and therefore the air leakage phenomenon is monitored in real time, and workers are reminded. The limiting block is clamped into the groove to record the position; a worker can intuitively judge the rough position of untight closing by observing the limiting state of the rotating sleeve, and troubleshooting is accelerated.

This utility model discloses a simple, tiltable flap gate with a movable pipe opening, relating to the field of valve technology. The utility model includes a drain pipe with a base mounted on its surface and a door cover on one side of the drain pipe. A reset assembly is located on one side of the base, comprising fixed pulleys on the front and rear sides of the base and a steel cable sleeved on the surface of the fixed pulleys. Through the mechanical linkage design of the reset assembly, this utility model achieves an automatic reset function without external power. A counterweight is connected to the door cover via the steel cable; when the water pressure decreases, the weight of the counterweight can quickly pull the door cover closed, avoiding the failure risk of traditional electric or hydraulic flap gates due to power outages or malfunctions. The door cover adopts a structure connecting a pivot to a bracket, allowing it to rotate flexibly in a tilted state to adapt to different drainage angles, especially suitable for scenarios where the drain outlet angle changes frequently, significantly improving applicability and reliability.

This utility model discloses a heated dispensing device and an automatic food vending machine, relating to the field of automatic vending machine technology. In the heated dispensing device, the heated tray is driven by a tray drive mechanism to close or open the heating chamber based on a tray transmission mechanism. The tray transmission mechanism includes a tray transmission base plate, a scissor mechanism, and a tray transmission base plate connected in sequence. The tray transmission base plate is fixedly connected to the inner bottom of the heating chamber. The heated tray is mounted on the tray transmission base plate. The scissor mechanism is driven by the tray drive mechanism to open or close, and the tray transmission base plate is driven by the scissor mechanism to rise or fall. The heated dispensing device of this utility model uses a tray transmission mechanism with a scissor mechanism as its core to cooperate with the tray drive mechanism to realize the lifting and lowering of the heated tray. This results in better reliability and higher stability, ensuring that the heated tray can operate smoothly without tilting or jamming, thereby accurately closing or opening the heating chamber and improving the usability of the equipment.

The utility model discloses an injection mold convenient to exhaust, which relates to the technical field of injection molds and comprises a support table, a support plate is mounted at the top of the support table, a telescopic rod is mounted on the inner side of the support plate in a penetrating manner, a movable mold component is mounted at one end of the telescopic rod, and a fixed plate is mounted at the top of the support table. And a fixed mold assembly is installed at the top of the fixed plate and comprises a fixed mold installed at the top of the supporting table, and a shaping groove is formed in the inner wall of one side of the fixed mold. According to the utility model, the exhaust cavity and the butt joint port at one end of the material injection pipe are connected with an injection molding machine, and are fastened through the connecting bolt, so that the stability of the structure is ensured, injected materials are conveyed to the inner sides of the fixed mold and the movable mold through the material injection pipe and are molded through the molding groove, and in the plastic injection process, air is guided to be output through the exhaust cavity; plastic injection is facilitated, the situation that a product is vacant is avoided, and air is exhausted through an air outlet.

The utility model discloses a rectifying tower with a quantitative feeding function, which belongs to the field of rectifying towers and comprises a rectifying tower body and a feeding pipe. The feeding pipe is arranged at the upper end part of the rectifying tower body and is communicated with the rectifying tower body; an inner pipe is arranged in the feeding pipe, and two adjusting assemblies are installed on the inner wall of the feeding pipe. According to the rectifying tower with the quantitative feeding function disclosed by the utility model, the stirring blades can promote uniform mixing of fed materials, so that the fed materials are dispersed in the rectifying tower body; compared with a quantitative feeding mode in a citation file, the rectifying tower body can avoid local accumulation and non-uniform distribution, so that the mixing degree of liquid in the tower is improved, the temperature and components are more uniform, the separation efficiency of rectification is improved, and the product quality is improved. Meanwhile, the packing can be prevented from being blocked in the discharging pipe through stirring treatment of the arranged stirring blades, the risk that the rectifying tower body is blocked and damaged is reduced, and the stability and reliability of rectifying operation are improved.

The utility model belongs to the technical field of greenhouse, disclose a kind of precision control ventilation opening automatic switch's greenhouse, including the greenhouse body, the cotton quilt being laid on the greenhouse body and the roller blind mechanism for controlling the winding and unwinding of cotton quilt, and the roller blind mechanism includes the roller blind rod for winding cotton quilt, and the length direction of greenhouse body is equipped with ventilation opening;At least one first positioner for identifying the position of roller blind rod is fixed on the greenhouse body, and the first positioner is located below 0~2 meters of ventilation opening, and the signal output end of first positioner is connected with the signal input end of roller blind mechanism.The utility model can accurately open or close ventilation opening, with high degree of automation, long service life, and is suitable for greenhouse automatic winding and unwinding cotton quilt.

The utility model relates to the technical field of LED lamps, and discloses an LED decorative lighting with a good heat dissipation effect, which comprises an upper shell, ventilation openings are arranged on both sides of the upper shell, a push-press switch is fixedly arranged in the middle of the front side of the upper shell, limit seats are fixedly arranged on both sides of the back side of the push-press switch, and the limit seats are fixedly arranged on the upper shell. A positioning rod is fixedly mounted in the limiting seat, a transmission part is movably mounted on the surface of the positioning rod, a limiting rod is fixedly mounted in the middle of one side of the transmission part, a moving rod is movably mounted on the surface of the limiting rod, and an arc-shaped sealing plate is fixedly mounted at one end of the moving rod. Through the structural design of the ventilation opening, the push-press switch, the limiting seat, the transmission piece, the moving rod and the arc-shaped sealing plate, the air cooling function is achieved, and therefore it can be guaranteed that the ventilation opening and the LED decorative lighting can be synchronously opened, air flowing is promoted, heat dissipation of internal electric appliance elements is facilitated, and heat is prevented from remaining in an inner cavity of the shell.

The utility model discloses a kind of car rear lamp cover forming die, it includes: bottom plate, the lower surface of the bottom plate is provided with general control switch, the lower surface of the bottom plate is fixedly connected with servo motor, the output of the servo motor is fixedly connected with rotating shaft, the rotating shaft is fixedly connected with inner forming shell at one end away from servo motor;Electric telescopic link one, the protruding end of the electric telescopic link one is fixedly connected with outer forming shell;Electric telescopic link two, the protruding end of the electric telescopic link two is fixedly connected with top plate, by above device, it is beneficial to guarantee that cavity is accurately closed, promote lamp cover forming precision and consistency, reduce product damage when stripping, improve production efficiency and product quality simultaneously.

This invention relates to the field of power control technology, and mainly provides a relay detection circuit and an energy storage power supply. The circuit includes a drive module connected to the relay coil, a sampling module connected to the relay input and output terminals respectively, a comparison control module connected to the sampling module, and a controller connected to both the comparison control module and the drive module. The drive module energizes the relay coil according to the drive signal output by the controller. The sampling module collects the relay's input and output voltages. The comparison control module outputs a closure detection signal to the controller when the voltage difference between the input and output voltages is less than a preset threshold. This allows the controller to accurately calculate the actual relay engagement time by combining the timing of the drive signal output and the timing of the closure detection signal reception, ensuring the relay closes at the zero-crossing point, thus avoiding the impact of inrush current on the relay and improving the circuit's safety and reliability.

The utility model discloses a copper powder stirring barrel feeding alignment auxiliary device, including work table, discharge pipe, receiving pipe and the rotation type mixer between them, and the receiving pipe mouth is coaxial with double -tube. The upper butt joint device is established below the discharge pipe, and the symmetrical lower butt joint device is established above the receiving pipe, and all contain sliding device, butt joint cylinder, alignment platform, ear seat, butt joint pipe and butt joint, and the ear seat is symmetrically established in alignment platform both sides, and the butt joint cylinder is hinged in the ear seat. The butt joint pipe is connected the discharge pipe or receiving pipe through the hose, and the upper butt joint is established below the alignment platform, and the receiving pipe mouth is equipped with the lower butt joint, and the radial homocentricity is guided through the upper / lower butt joint cone surface contact, and the sliding device displacement compensation radial deviation, and the butt joint cylinder drives the alignment platform to deflect and correct the angle deviation around the ear seat, ensures the receiving pipe mouth and butt joint pipe accurate closure in the dynamic operation of the rotation mixer, solves the problem of low fault tolerance of traditional vertical butt joint.

The present application relates to oil and gas equipment technical field, provide a kind of offshore emergency blowout preventer, including main body, the first passage is opened in the vertical direction and passes through on the main body, second passage is opened in the horizontal direction in the main body, the second passage is opened with two, two The second passage is symmetrically arranged, the second passage and first passage are interconnected, sealing gate is slidably arranged in each second passage along the length direction of second passage, sealing element is arranged on the side wall of two sealing gates that are close to each other, driving assembly is arranged on the main body, and the driving assembly is used to drive sealing gate to move in second passage, the safety effect of the present application can improve blowout preventer, avoid well backflow.

The utility model relates to a reed connecting structure of a temperature controller, which comprises a ceramic seat, a reed, an ejector rod, a movable terminal and a static terminal, and further comprises a reed seat, one end of the reed is connected onto the reed seat, the reed seat and the static terminal are connected onto the ceramic seat through bolts, the reed seat comprises a flat plate section, a lower slope and an L-shaped section, and the flat plate section is connected with the ejector rod through bolts. And a downward pressing space is formed between the downward inclination and the L-shaped section and is positioned right below the ejector rod. By arranging the reed seat and arranging the downward pressing space on the reed seat, direct compression on the reed in the downward pressing process of the ejector rod is effectively relieved, the risk of reed deformation caused by improper manual operation or abnormal working conditions is greatly reduced, core mechanical parts of the temperature controller are protected, and the overall service life of the product is prolonged.

The scheme belongs to the technical field of packaging structure design, and discloses a kind of extrusion ration cover, the extrusion ration cover adopts sleeve and two pistons (first piston and second piston) that alternatively seal the sleeve (or the combination of sleeve and mouth), to ensure the stability of ration. At any time, at least one of the two pistons is in the sleeve (or the combination of sleeve and mouth) and mutually sliding sealing fit, plus the liquid sealing effect of the gap during use, as long as the container is extruded to compress the internal space, no matter how much or how little the extrusion force, extrusion speed, liquid viscosity is, it will promote the piston to move outward, accurately seal the liquid passage, realize ration distribution, and the ration value remains stable, thereby solving the problem that the ration function of the prior art is affected by the difference in liquid properties and use method, and can adapt to use scenarios that the prior art cannot adapt to, such as large viscosity changes of different temperature liquids and large differences in use methods of different consumers.

The utility model discloses a human body specimen storage pool cover plate hooking uncovering mechanism which comprises a plurality of storage pools which are arranged in an array mode, a cover plate is installed at the upper ends of the storage pools, hooking rods are fixedly installed on the cover plate, the hooking rods are hooked through hook boxes, and the hook boxes are connected with the storage pools. The hook box is connected with a lifting device through a telescopic rod, and a limiting device for limiting the movement of the cover plate during hooking is further arranged on the hook box; the mechanism conducts hooking uncovering movement on the cover plate through the hook box, the structure is simple, and uncovering is accurate and stable.

The utility model relates to the technical field of bridge engineering, and provides a main arch closure device and an arch bridge main arch. The main arch closure device comprises a first connecting assembly, a second connecting assembly and a locking assembly. The first connecting assembly is arranged on one side of a closure opening of an arch rib section. The second connecting assembly is arranged on the other side of the closure opening of the arch rib section, and the locking assembly is arranged between the first connecting assembly and the second connecting assembly; wherein the locking assembly is used for switching among an unlocking state, a semi-locking state and a full-locking state; in the semi-locking state, one of the first connecting assembly and the second connecting assembly is locked with the locking assembly; in the full-locking state, the first connecting assembly and the second connecting assembly are both locked with the locking assembly. According to the main arch closure device, the defect that in the closure process of a main arch closure device in the prior art, the positioning accuracy of the main arch closure device can be affected by temperature, wind power and other factors is overcome, and the main arch closure device with more accurate positioning is achieved.