37results about How to "No frequent replacement" patented technology

The utility model discloses a motor rotor shaft turning clamp that can be self-adaptive and tightly hold and flexibly position, relates to the field of machining, and is composed of Morse taper, external thread connecting shaft, spring collet, threaded sleeve and adjusting sleeve and other components for connecting with the main shaft of machine tool. The sliding cavity of the front end of the external thread connecting shaft is provided with a sliding sleeve and a telescopic spring, and the sliding sleeve is fixedly connected with the spring collet. The sleeve sleeve of the front end of the threaded sleeve is sleeved outside the spring collet, and the inner wall of the front end is provided with a conical surface that is matched with the conical head of the spring collet. The adjusting sleeve is connected with the threaded sleeve through threads, and can drive the limiting sleeve to push the spring collet to move. During use, rotating the adjusting sleeve makes the spring collet move backward, and the spring collet is tightened under the action of the conical surface, the rotor shaft is self-adaptively and tightly held, and the telescopic spring realizes flexible positioning and compensates for the axial and angular deviation. The clamp can automatically adapt to the rotor shaft with a diameter tolerance within a certain range, has high self-centering precision, is suitable for high-precision turning machining of conventional rotor shafts, and has simple structure and convenient maintenance.

The utility model discloses a multifunctional knitting yarn with line hoop belongs to knitting yarn field, and the bottom base subassembly, installation component, rotating component and placing component among them are included, installation component fixedly connected in the top of bottom base subassembly, rotating component installation is connected in one side of installation component, placing component fixedly connected in one side of rotating component, through the cooperation of above -mentioned each device, when placing the yarn cylinder, press the torsional spring and let the spacing plate move, conveniently place the yarn cylinder, and the torsional spring resets the spacing plate after loosening the spacing plate and limits the yarn cylinder, and the cylinder is funnel type structure simultaneously, when placing the yarn cylinder, can place the yarn cylinder of different diameter, can be flexibly adjusted according to yarn cylinder diameter, need not frequently change line hoop, reduce the replacement operation of staff, reduce the complicated degree of work content, effectively save the overall working time, satisfy the use demand that the user can carry out.

The utility model discloses an edge grinding device for circuit board processing, including frame, be equipped with rotating platform and first motor for driving rotating platform rotation respectively on the frame, be equipped with positioning mechanism on rotating platform, be equipped with edge grinding mechanism and moving mechanism for driving edge grinding mechanism displacement respectively on one side of rotating platform of frame top, wherein, positioning mechanism includes six positioning assembly, adjusting member and vacuum chuck, six positioning assembly is uniformly distributed on rotating platform along circumference, adjusting member sets up on rotating platform can drive six positioning assembly synchronous relative rotating platform center and make close or far displacement, vacuum chuck sets up on rotating platform, positioning assembly includes movable block and the positioning pin of elastic telescopic setting on movable block, and positioning pin lower extreme extends to rotating platform below and is equipped with fixed shaft, and positioning pin is elastically convex on movable block top initially, the arc top block of being equipped with correspondingly below edge grinding mechanism on the frame.

This utility model relates to an auxiliary device for conveying bearing rings in bearing production. The adjusting rod can slide left and right along the support member, and the guide plate can slide back and forth along the first sliding member. Combined with the positioning function of the elastic positioning component, the distance and position between the two guide plates can be flexibly adjusted to adapt to bearing rings of different diameters and thicknesses. The auxiliary device does not need to be frequently replaced, which reduces equipment costs and improves production efficiency. The adjusting rod and the first sliding member are hinged, allowing the guide plate to rotate around the hinge point to adjust the angle, thereby forming a figure-eight structure between the two guide plates. This figure-eight structure can automatically gather the bearing rings towards the centerline or a specified direction during the conveying process, preventing the bearing rings from deviating or scattering, ensuring stable conveying posture, and providing a precise positioning basis for subsequent processing, inspection and other processes.

This application relates to a hoisting tool for small-sized seedlings, belonging to the field of seedling hoisting. The device includes two symmetrical connecting rods, which are rotatably connected to a rotating rod via a pivot. The surfaces of the two rotating rods are rotatably connected via the pivot. A chain is provided on the rear side of each rotating rod, and a fixing block is provided at the top of the rear rotating rod. A slidable sliding pin is provided through the right side of the surface of the fixing block. One end of the chain is fitted onto the surface of the sliding pin. Circular columns are fixedly connected to both the front and rear sides of the sliding pin, and a circular block is fixedly connected to the bottom of the sliding pin. This application allows the connecting rods, rotating rods, and arc-shaped clamps to work together, enabling the two arc-shaped clamps to directly clamp small soil balls, wrap the chain around the surface of the tree trunk, and then, through the cooperation of hooks, sliding pins, and circular columns, the two ends of the chain are hooked onto the surfaces of the hooks and circular columns, thus securing the chain.

This invention discloses an extruder head flow channel orifice structure and its application in tire tread winding, belonging to the field of tire manufacturing technology. The extruder head flow channel orifice structure includes an extruder body with a flow channel orifice connected to its end. Its core improvement lies in the non-circular shape of the extrusion orifice. This breaks through the limitations of traditional circular orifices; the non-circular design, such as rectangular or near-circular shapes, allows for adjustment of the rubber strip cross-sectional shape according to the functional requirements of different parts of the tread (such as the crown and shoulder), optimizing the contact area and bonding pressure distribution between the rubber strip and the forming drum, reducing bonding air bubbles, and improving interlayer bonding strength. The tire tread winding method involves extruding a continuous rubber strip using the extruder head flow channel orifice structure and then winding this strip onto the forming drum in a seamless manner to form the tread.

The utility model provides a kind of submerged entry nozzle electric heating baking device, including hearth shell, the wall of hearth shell includes nanometer microporous heat insulation plate layer, light clay brick layer and high-alumina refractory brick layer in turn from outside to inside, hearth shell is equipped with one or more heat-resistant partition, for the inner cavity of hearth shell is divided into multiple baking chambers, each baking chamber is used to install submerged entry nozzle, each baking chamber is evenly arranged with multiple silicon carbide heating rods around the periphery of submerged entry nozzle, the cold end of each silicon carbide heating rod is passed through hearth shell and is connected with power supply, hearth shell is equipped with insulating sealing sleeve pipe at the wall penetration position of each silicon carbide heating rod. It can meet the high-temperature preheating demand of submerged entry nozzle, and multiple submerged entry nozzles can be simultaneously and evenly electrically heated and radiantly baked, the temperature field distribution of submerged entry nozzle is uniform, local stress concentration problem is not prone to occur, and the heat insulation effect of hearth shell is good, heat loss is small, and energy utilization rate is high.

This invention relates to the field of welding technology, and provides a through-type friction stir welding apparatus and method suitable for different plate thicknesses. The through-type friction stir welding apparatus includes a long needle stirring tool, a backing block, a limiting platform, a clamp, a positioning platform, and a worktable. The long needle stirring tool is mounted on a friction stir welding machine. The backing block is disposed on a limiting groove on the limiting platform. The positioning platform is disposed on both sides of the limiting platform, and the clamp is disposed on the positioning platform. This invention utilizes a through-type friction stir welding technology with a long needle stirring tool and a backing block, which can completely eliminate the potential risks of incomplete penetration and weak bonding at the weld root. By using a backing block made of the same material as the workpiece being welded, no material loss occurs during the through-type welding process, thus eliminating defects at the start of the through-type friction stir weld.

The utility model relates to the technical field of gear shaft machining equipment, and discloses a gear shaft positioning and drilling clamp which comprises a base and a mounting groove, positioning and clamping assemblies are oppositely arranged above the base, an adjusting assembly is arranged in the base, each positioning and clamping assembly comprises a mounting plate, and the mounting plate is provided with a positioning hole. A hollow shaft is rotationally connected to the interior of each mounting plate, a first driven gear and a second driven gear are fixedly connected to the two ends of each hollow shaft correspondingly, fixing blocks are evenly and fixedly connected to the surfaces of the mounting plates, and a first guide rod is fixedly connected between the opposite surfaces of every two fixing blocks; racks are slidably connected to the surfaces of the first guide rods correspondingly, and guide inclined grooves are evenly formed in the surfaces of the racks. According to the gear shaft machining clamp, the positioning and clamping assembly and the adjusting assembly are used in cooperation, so that the clamp can adapt to machining of gear shafts of various specifications, the production efficiency and the equipment utilization rate are greatly improved, and the production cost is reduced.

This invention provides a low-latency infusion sensing alarm module, system, and application control. Through innovative composite sensing technology, TDMA low-latency communication architecture, and end-edge-backend three-level linkage mechanism, it completely solves the pain points of existing technologies, realizes fully automatic unattended monitoring and accurate alarm of clinical infusion, ensures medical safety, and reduces the burden on nurses, patients, and caregivers throughout the entire process.

The utility model discloses an adjustable slide rail impact performance test device, which comprises a bracket, and a group of parallel guide shafts and a measuring scale are arranged on the bracket along the height direction of the bracket; a sliding block stretches across the guide shaft and moves along the arrangement direction of the guide shaft; the front face of the sliding block is connected with the telescopic sliding rail through a bolt, and the back face of the sliding block is connected with the support through a plunger piece. The mounting height of the plunger part is adjustable; in the initial state, the tail end of the plunger part penetrates through the support and extends into the sliding block so as to limit the testing height of the sliding block. The slide rail is in an extending state; in a termination state, the tail end of the plunger part penetrates through the bracket and is separated from the slide block, and the slide block falls off from the test height under the action of self weight; and the slide rail is in a contracted state. The beneficial effects of the utility model are that the slide rail is driven by the slide block to move to any height on the steel ruler, the performance parameters of the slide rail after being impacted at a determined height are simulated, and the test precision and reliability are improved.

The utility model provides a kind of lens edge automatic chamfer polishing device, it is related to chamfering equipment technical field, comprising: polishing table;The middle part upper end of polishing table is rotated and installed carousel by pivot;The polishing table on the left and right sides of carousel is respectively fixedly installed clamping frame, clamping mechanism is equipped on clamping frame, clamping mechanism is used to clamp the lens placed on carousel;Two The clamping frame between another side of polishing table is fixedly equipped with support frame at the position close to edge;Chamfer frame is installed on support frame, chamfer mechanism is equipped on chamfer frame, and chamfer mechanism is used to chamfer the lens ring edge. First, clamping mechanism uses clamping cylinder to drive clamping seat horizontal movement, drives clamping roller and driving roller to be jointly used to lens edge and be clamped.

The utility model relates to the field of plastic part resistance top clamping, disclose a kind of resistance top clamping mechanism for plastic part processing, including support base, support base top is provided with support mechanism and adjusting mechanism, the support mechanism includes fixed base, and the fixed base is fixedly connected at support base top, the fixed base inner wall is rotatably connected with the rotation bar one, the rotation bar one outer wall is fixedly connected with resistance top handle, the rotation bar one outer wall is rotatably connected with connecting plate, and the connecting plate bottom is fixedly connected with support plate. In the utility model, by setting support mechanism, the clamping support to the side wall of plastic part is realized, the stability of plastic part in processing process is guaranteed, the problems such as plastic part deformation caused by uneven force in local are avoided, the processing quality is improved, the position of clamping plate can be flexibly adjusted according to the different length of plastic part, different length plastic part can be stably clamped, and the versatility and applicability of mechanism are enhanced.

This invention relates to the field of film testing technology, and particularly to a PE release film strength testing device, comprising a tensile testing machine including a frame and a clamping module; the PE release film strength testing device also includes a pushing unit, which is mounted on the frame and includes a connecting frame connected to the frame. The connecting frame is equipped with a limiting part and a pushing part, and the limiting part is connected to multiple extending parts, each of which is connected to an extending head. The clamping module, pushing unit, and pressing unit of this invention work together in a coordinated manner, eliminating the need for multiple dedicated testing devices to complete puncture tests, tensile tests, and friction tests on PE release films. This integrated design significantly saves equipment space and cost.

The utility model discloses a filtering device for sintered colored sand production, which comprises a bottom plate, a screen frame is arranged above the bottom plate, a first screen mesh, a second screen mesh and a third screen mesh are sequentially and fixedly mounted in the screen frame, screen holes of the first screen mesh, the second screen mesh and the third screen mesh are different, three funnels are fixedly mounted on the bottom side of the screen frame, and the bottom side of the screen frame is provided with a filter screen. Three funnels are located below the first screen mesh, the second screen mesh and the third screen mesh correspondingly, the first screen mesh, the second screen mesh and the third screen mesh are arranged, the screen meshes of the screen meshes are different, three kinds of sintered colored sand different in size can be classified in one-time operation, a motor drives a beating plate to beat a screen frame, the screen frame is made to fully shake in cooperation with a first spring and a second spring, and therefore the sintered colored sand can be screened out through the first screen mesh, the second screen mesh and the third screen mesh. Compared with a traditional single-screen device, the multi-screen device has the advantages that the screens do not need to be replaced frequently, the production efficiency is greatly improved, continuous and efficient work can be achieved, the production progress is greatly promoted, the time and labor cost is reduced, and the requirements of the market for sintered color sand of various particle sizes are met.

This utility model provides an aluminum material traction and conveying device, relating to the field of aluminum material processing technology. The device includes a base with a traction mechanism installed near the top of the front side. Several auxiliary components are equidistantly installed from left to right near the top of the front side of the base. The traction mechanism includes a slide table. Tracks are symmetrically slidably connected to the back of the slide table near the top and bottom. The tracks are fixedly installed on the front of the base. An adjustment component is installed on the front of the slide table, and a clamping component is installed on the front of the adjustment component. Through the coordinated use of a second slide block, a second motor, positive and negative lead screws, a second slider, clamping blocks, and grooves, cylindrical aluminum materials of different diameters can be clamped and tractioned. Compared with traditional traction and conveying devices, there is no need for frequent replacement of clamping blocks, greatly improving processing efficiency and effectively enhancing practicality.

This utility model relates to the field of mixing equipment technology, and provides a hydraulic jet mud mixer. The hydraulic jet mud mixer includes a mud tank, a jet nozzle, a mud circulation loop, and a mud pump. The mud tank has a mixing chamber; the jet nozzle is located at the bottom of the mixing chamber and jets the mud towards the mixing chamber; one end of the mud circulation loop is connected to the jet nozzle, and the other end is connected to the upper middle part of the mixing chamber. The mud circulation loop is used to transport the upper middle layer of mud medium in the mixing chamber to the jet nozzle, and then jets it into the mixing chamber; the mud pump is located on the mud circulation loop and is used to pump the mud medium in the mud circulation loop to the jet nozzle. This application achieves a mud mixer with no mechanical wear, a long service life, and low maintenance costs; at the same time, it can achieve efficient mixing, significantly improving the solid phase dispersion efficiency.

The utility model relates to welding wire feeder technical field discloses a kind of welding wire feeder based on gear transmission, including wire feeding drive rod, further include: gear transmission assembly, setting in the outside of wire feeding drive rod, the gear transmission assembly includes be set in the bevel gear piece outside wire feeding drive rod, the front surface of the bevel gear piece is provided with bevel gear piece, the outside of the gear transmission assembly is provided with protective cavity assembly, the front surface of the gear transmission assembly is provided with fixed plate;Gear and wire feeding wheel group adaptation component, setting in the front surface of gear transmission assembly, the gear and wire feeding wheel group adaptation component includes be set in the driven pulley bearing of fixed plate front surface;The utility model can make that wire feeding is smooth without jerky, improve wire feeding precision simultaneously by setting gear transmission assembly, by setting gear and wire feeding wheel group adaptation component, the welding wire of different wire diameter and material can be transported.

The utility model discloses a PVC pipeline heating bending device belongs to pipeline bending technical field, including the placement platform, the upper end fixed mounting of placement platform has the bending structure, the inside fixed mounting of placement platform front end has the heater, the setting of the utility model protection assembly, through the cooperation of limiting sliding slot no.

This utility model discloses a femoral fracture traction device, including a frame assembly, which includes a base that is movable, and symmetrical uprights on the base near the rear. It also includes a crossbeam, a support assembly, and a lifting assembly. Two sets of crossbeams are respectively hinged to the bottom ends of the handles. Each crossbeam has a fixing block at the end furthest from the handrail, which can be secured to the bed handrail. The lifting assembly includes a rotating rod rotatably mounted on a top plate, with steel cables wound around both ends of the rod. The lower ends of the steel cables are connected to the corresponding ends of the bone screws. This utility model offers high stability; and through the electrically retractable steel cables, the suspension height can be freely adjusted without frequent replacement of counterweights, making operation simple and convenient.

This utility model discloses an adjustable plastic bottle cutting device, relating to the field of plastic bottle processing technology. It aims to solve the technical problem that current devices are inconvenient to adjust according to the height and mouth size of plastic bottles. The device includes a conveying mechanism, a driving mechanism mounted on the conveying mechanism, a clamping mechanism, and a cutting mechanism mounted on the driving mechanism. The conveying mechanism includes a conveying table. The clamping mechanism includes a front clamping plate and a rear clamping plate mounted on a first support plate. A material feeding plate is provided at the rear end of the rear clamping plate. The cutting mechanism includes a fourth mounting plate located on the upper part of a second support plate. A rotating shaft is rotatably mounted at an equidistant distance from the lower end of the second support plate, and an eccentric box is mounted at the end of the rotating shaft. This utility model has the advantages of being adaptable to different plastic bottle heights and mouth sizes, eliminating the need for frequent changes of clamps and cutters, improving processing efficiency, and automatically feeding and collecting flash, ensuring stable operation of the device.

This application relates to a gripper-type electroplating fixture, primarily concerning the technical field of electroplating equipment. It includes a fixed rod with a hook at one end. At least one clamping mechanism is detachably mounted on the fixed rod along its length. Each clamping mechanism includes two clamping blocks arranged vertically, and each clamping block is equipped with at least one elastic gripper. A clamping space is formed between the two elastic grippers. When the position of the clamping mechanism is fixed and the clamping space increases, the two elastic grippers generate an elastic clamping force that brings them closer together. This application solves the problem that when electroplating workpieces without holes or large gaps, different sizes or shapes of workpieces require changing clamping mechanisms or fixtures, thus affecting production efficiency.

This utility model discloses a copper strip coil positioning and clamping device, belonging to the technical field of clamping equipment. It includes a base, with a support frame, a protective cover, and a pair of guide rails fixedly connected to the top of the base. A clamping mechanism is provided on one side of the support frame, and a servo motor is fixedly connected to one side of the protective cover. The output end of the servo motor passes through the protective cover and is rotatably connected to it. This utility model, by setting a moving frame and a lifting mechanism, facilitates the loading of copper strip coils. The lifting mechanism raises the copper strip coil to a suitable height, and the moving frame moves the copper strip coil closer to the clamping mechanism, ensuring precise positioning, greatly shortening loading time, reducing the risk of material collision damage, and improving production efficiency. By setting the clamping mechanism, copper strip coils of different sizes can be stably clamped, greatly improving the equipment's versatility and no longer being limited to specific specifications of copper strip coils. Enterprises no longer need to frequently change equipment, reducing production costs.

The utility model relates to double encoders of a three-flow slab flame cutting machine, and belongs to the technical field of ferrous metallurgical equipment in the metallurgical industry. According to the technical scheme, a flame cutting machine (1), an encoder stay wire support (2) and a flame cutting machine encoder (10) are fixed to a flame cutting machine cart (11) respectively, the flame cutting machine cart (11) walks on a cart track (12), one end of a high-strength steel wire rope (4) is fixed to a datum point of the cart track (12), and the other end of the high-strength steel wire rope (4) is fixedly connected with a stay wire encoder (5). The stay wire encoder (5) is connected to the cart track (12) in a sliding mode, the high-strength steel wire rope (4) is wound on the stay wire hanging point (3), and the stay wire hanging point (3) is fixed to the encoder stay wire support (2); and the stay wire encoder (5) is arranged in the protective cover (51). The flame cutting machine has the beneficial effects that the flame cutting machine is ensured to continuously and accurately run by adopting the double encoders.

This utility model relates to the field of permanent magnet chuck technology and discloses a multi-specification workpiece adaptive clamping structure for a permanent magnet chuck, including a base, a permanent magnet chuck body on the top of the base, and an adjustment component on the inner side of the base. Several clamping mechanisms are evenly distributed on the surface of the adjustment component. This novel solution effectively uses several springs to extend and retract several first and second rods in the horizontal direction, while the springs provide preload. The ball bearings contact the edge of the workpiece, effectively reducing frictional resistance during contact. Since each clamping mechanism exists independently, it can automatically adapt to dimensional tolerances, flatness errors, or minor deformations on the workpiece surface, eliminating the need for frequent replacement of limit fixtures, reducing equipment adjustment time, and improving the versatility of the production line. When a damaged clamping mechanism needs to be replaced, it can be easily removed by disassembling the relevant hexagonal nuts after separating the positioning plate from the slot frame.

This invention discloses a sandwich panel shearing machine with an anti-deviation mechanism. The invention relates to the field of sandwich panel technology and includes a liquid collection shell and a protective shell fixedly mounted on its top. Guide mechanisms are installed on both sides of the inner wall of the protective shell. A shearing mechanism is installed in the inner cavity of the protective shell, with the shearing mechanism and guide mechanisms at the same height. A water supply mechanism is installed on the outer surface of the protective shell, with the liquid outlet of the water supply mechanism mounted on the shearing mechanism. This sandwich panel shearing machine with an anti-deviation mechanism uses the guide mechanism to laterally position the sandwich panel, preventing lateral deviation during shearing. The shearing mechanism precisely clamps and synchronously shears the sandwich panel, solving problems such as delamination and core material crushing caused by differences in mechanical properties between the upper and lower panels and the core material. The water supply mechanism works in conjunction with the shearing mechanism to remove frictional and shearing heat, improving the cut quality.

This application relates to the field of electricity metering boxes and discloses a moisture-proof and dust-proof integrated electricity metering box, including an outer box and ventilation holes on the outer box. An inner box for sealing and housing electricity metering devices is installed inside the outer box. An air handling unit for circulating the internal air is installed on one side of the inner box. The air handling unit includes a circulation pipe connected to the inner box and inlet valve assemblies and exhaust valve assemblies installed at both ends of the circulation pipe. By designing the electricity metering box as a double-layered space structure with an outer and inner box, and using a sealed design for the electricity metering devices in the inner box, the direct intrusion path of external dust and moisture is fundamentally blocked. Simultaneously, the ventilation holes on the outer box are only used for airflow and heat dissipation within the outer box space, preventing dust-laden moisture from contacting the internal components of the inner box. Compared to traditional open structures, this improves the moisture-proof and dust-proof effect of the electricity metering box and reduces the risk of component corrosion and short circuits.

The invention discloses an external traditional Chinese medicine health-care plaster and a preparation method thereof, and belongs to the technical field of external traditional Chinese medicine health care. Each standard amount of the plaster is composed of a fuel oil explosive, an insect drug, a fine drug and a matrix, the weight ratio of the components is scientific and reasonable, the fuel oil explosive is a plant medicinal material, the insect drug and the fine drug are crushed and then added, and the matrix is selected from sesame oil, yellow lead and beewax. The preparation method comprises the following steps: preparing materials, frying and extracting, refining oil into paste, adding beewax, removing fire toxin, mixing medicinal powder, spreading the paste into paste, packaging and storing, determining key parameters such as temperature, stirring speed and the like in each step, and adopting an optimized process of frying at low temperature and adding the medicinal powder at low temperature to retain effective components of the medicinal materials to the greatest extent. The plaster is scientific in whole formula compatibility and clear in primary and secondary effects, effectively relieves neck, shoulder, waist and leg pain, improves discomfort such as lumbar muscle degeneration and the like, relieves discomfort of various muscles, bones and joints in a targeted mode, and is reasonable in effective component proportion and excellent in health care effect.