13results about How to "Avoid elastic deformation" patented technology

The invention belongs to the technical field of air permeability detection, and discloses a textile fabric air permeability efficient detection device which comprises a mounting frame, a transverse movement adjusting mechanism is arranged in the mounting frame, and a first detection cylinder and a second detection cylinder are slidably arranged on the front face of the mounting frame. Operating spaces are reserved in the two sides of the textile fabric, pressure air is introduced into the processing assembly in cooperation with the distribution type air supply assembly, the processing assembly actively moves to be close to the side face of the textile fabric and keeps making contact with the side face of the textile fabric, then the power mechanism is used for driving the rotating assembly to rotate, and rotation of the processing assembly is achieved; therefore, the two sides of the to-be-detected textile fabric are cleaned after friction contact in the reserved cavity, on one hand, particles attached to the surface are removed to prevent the particles from blocking gaps of the textile fabric, and on the other hand, fibers accumulated on the surface of the textile fabric are cleaned to prevent the accumulated fibers from influencing the air permeability at the gaps of the textile fabric. And effective and accurate air permeability detection is ensured to be maintained.

The utility model relates to the technical field of focusing platforms, in particular to a rigid-flexible coupling high-precision focusing platform. According to the technical scheme, the rigid-flexible coupling high-precision focusing platform comprises a base table and a rigid-flexible coupling table connected to one side of the base table in a sliding mode, focusing is completed between the base table and the rigid-flexible coupling table through meshing transmission of a rack and a gear, the rigid-flexible coupling table comprises a frame, and further comprises a flexible hinge and a workbench which are embedded in the frame, an adjusting shaft is rotationally connected into the workbench in a penetrating mode, and the gear is arranged on the side wall of the adjusting shaft in a sleeving mode. The rigid-flexible composite guide technology is adopted, the flexible hinge is installed between the guide rail and the gear rack mechanism, the influence of friction is isolated, elastic deformation of the gear rack is prevented, and accurate adjustment is completed.

The utility model discloses a rubber product processing waste collecting device which comprises a collecting box, box covers are buckled on the surface of the collecting box, the number of the box covers is two, bases are fixedly assembled on the surfaces of the two box covers, the side faces, close to each other, of the two bases are inclined faces, and the side faces of the two bases are inclined faces. And cutters are fixedly assembled on the sides, provided with the inclined planes, of the two bases. Chopped waste materials are placed in a collecting box to be collected, through cooperation of an electric push rod and a jacking structure, the waste materials are placed on a cutter on a base, the electric push rod is started, the electric push rod continuously extends, the jacking structure at the bottom end pushes the waste materials to be attached to the cutter, at the moment, air cylinders are started, supports on the two sides are pushed to continuously move through cooperation of the air cylinders on the two sides, and the waste materials are collected. And therefore, the jacking block moves left and right to drive the jacking structure to push the waste materials to be in continuous contact with the cutter, elastic deformation of the rubber waste materials in the cutting process is avoided, the purpose of cutting the waste materials can be rapidly achieved, and time and labor are saved.

The invention discloses a safety air bag part positioning and punching forming device and a forming method thereof, and relates to the technical field of punching equipment. Comprising a forming installation part, and a flatness detection part is installed on the forming installation part and used for prompting that a blank is bent; a series connection prompting piece is mounted on the forming mounting piece; the flatness detection piece is used for conducting the series connection prompting piece; a safety switch piece is installed on the side face of the forming installation piece. A spiral driving piece is mounted on the safety switch piece; the serial prompting piece is matched with the flatness detecting piece, so that the flatness of the blank can be automatically detected when the blank is placed, and the situation that bending is not known in time during early-stage machining is avoided.

The invention relates to the technical field of high-precision punching machines, and discloses an efficient-working high-precision punching machine for precision mechanical engineering machining, which comprises a machine body, a hydraulic cylinder is fixedly connected to the inner wall of the machine body, a punching pressure head is fixedly connected to the output end of the hydraulic cylinder, and a punching table is fixedly connected to the inner wall of the machine body. When the equipment is provided with a stamping die, the master console controls the manipulator to put the die into the stamping table, and then the master console starts the motor to work to drive the clamping plate to move to clamp the die on the stamping table, so that damage caused by deviation of the die during stamping of the die is prevented, and stamping is more stable; and when the die is clamped, the clamping plate moves to drive the second push plate to move to guide the die, deviation during clamping is prevented, the clamping effect is improved, and the punching efficiency is improved.

This invention relates to the field of bridge construction technology, and particularly to a steel-concrete composite beam support and its preloading construction method. The steel-concrete composite beam support includes two rows of separate side supports, which are used to symmetrically support the bottom of the side boxes on both sides of the main steel beam. Multiple rows of steel pipe columns are arranged at intervals, and each row of steel pipe columns includes multiple steel pipe columns. Adjacent steel pipe columns are connected by diagonal bracing groove steel frames. A transverse distribution beam is fixed at the top of the multiple rows of steel pipe columns, and a Bailey beam is fixed on the transverse distribution beam. A track distribution beam is set on the top of the Bailey beam, and a sliding track is set on the track distribution beam. A transport trolley slides on the sliding track. The sliding track and transport trolley realize dynamic segmented preloading, ensuring that the settlement data accurately reflects the performance of the support. The modular structure facilitates rapid assembly and shortens the construction period. The symmetrical arrangement of the separate side supports avoids load concentration in the middle, reduces local stress concentration, and results in a more uniform load distribution, making it suitable for the construction of long-span bridges.

The efficient-working high-precision punching machine for precision mechanical engineering machining comprises a machine body and a punching mechanism arranged on the upper portion of the machine body, a die limiting mechanism is arranged below the punching mechanism, and a knocking mechanism is arranged beside the die limiting mechanism; the stamping mechanism comprises a hydraulic cylinder, a stamping head is arranged at the output end of the hydraulic cylinder, a lubricating mechanism is arranged on the outer surface of the stamping head, and an upper die pressing plate is arranged at the bottom of the stamping head. The die limiting mechanism comprises a stamping table and a die arranged on the top of the stamping table, and a clamping mechanism is arranged on the stamping table. The device is simple in structure, reasonable in design and convenient to use, a die on a stamping table is clamped through the clamping mechanism, damage caused by deviation of the die during stamping of the die is prevented, stamping is more stable, the stamping working efficiency is improved, when the die is clamped, a clamping plate moves to drive a second push plate to move to guide the die, and the die is prevented from being damaged. And deviation during clamping is prevented, the clamping effect is improved, and the stamping efficiency is improved.

The utility model relates to stainless steel grating plate welding technical field discloses a kind of stainless steel grating plate anti-deformation welding devices, including base, the inner wall of base is equipped with clamping mechanism, the clamping mechanism is used to clamp grid plate, the top of the clamping mechanism is equipped with support mechanism, and the support mechanism is used to support grid plate;The clamping mechanism includes fixed plate, and the fixed plate is fixedly connected in the inner wall of base upper portion.In the utility model, motor rotation drives connecting block rotation, connecting block rotation pulls connecting plate, connecting plate pulls slider to thereby drive long plate to move left and right in the outer wall of slide rail, long plate moves and pulls support arm, so that support arm drives rotation of pivot, pivot rotation makes the clamping plate of support arm top gather in the middle, so that the outer wall of clamping plate is always attached to the both sides of grid plate, prevent grid plate position deviation from leading to deformation when welding, fixed rod can adapt to grid plate of different height, improve use range.

The utility model relates to laser cladding processing technical field, concretely is a kind of laser cladding metal additive manufacturing equipment, including the connecting assembly for being connected in the wall of extension long tube spray head, multiple rollers are equipped in the circumferential direction on connecting assembly, the fan blade of coaxial setting is respectively fixedly installed on each roller, and the outer periphery of multiple rollers is used to contact the inner wall of workpiece simultaneously, and with the rotation of workpiece homodirectional rotation, to realize that fan blade rotates under the driving of roller and generates airflow.The utility model can inhibit the elastic deformation of the extension long tube spray head far end by the rotation of roller set, ensure light path transmission and spot size stability, improve cladding layer precision, quality and efficiency.Meanwhile, fan blade rotation can efficiently discharge cladding heat, slow down component aging, prolong service life, protect high-quality cladding layer formation;And fan blade rotation can also discharge excess powder and smoke, improve processing visibility and efficiency, reduce cladding layer surface roughness, improve surface quality.

A thin-wall part inner hole turning clamping tool comprises a clamping sleeve, a positioning screw, a positioning pin, a check ring, a spring chuck and a limiting screw. The inner conical surface of the inner hole of the jacket is matched with the outer conical surface of the collet chuck and is connected with the collet chuck through a positioning pin; one end of the check ring is arranged at one end of the jacket through a positioning screw, and the other end of the check ring is arranged at the other end of the jacket through a limiting screw. According to the method, clamping deformation of the product in the clamping process and elastic deformation of the product in the turning process can be avoided, the precision requirement of the thin-wall part is improved, the rejection rate of the thin-wall part is greatly reduced, 100% detection of the thin-wall part is not needed, and therefore the production cost of the product is reduced, and the production period is shortened; use is simple, and product dismounting is convenient; machining is stable and reliable, the product machining quality is improved, and the production cost is reduced; the clamping tool is easy to machine and manufacture and low in cost.

The invention relates to the technical field of one-way belt production, and discloses a one-way belt production line of a high-integration mold, the one-way belt production line comprises an extrusion mechanism, the extrusion mechanism further comprises a frame, the top of the frame is fixedly connected with an extrusion mold, a motor is started to drive a large cooling roller to rotate, and through friction force between the large cooling roller and fiber yarn, the fiber yarn is cooled. The fiber yarn is moved, meanwhile, an extruder is started to extrude out resin, the fiber yarn is sprayed through an extrusion head, the infiltrated fiber yarn is shaped through an extrusion die to form the shape of a one-way belt, the one-way belt makes contact with an extrusion roller, the extrusion roller extrudes the one-way belt, and the extrusion roller rotates through friction force; when an L-shaped rod moves from a concave position of a concave-convex block to a convex position, the L-shaped rod is pushed to move transversely, an extrusion roller is driven to move transversely, a reciprocating roller rubs a one-way belt, resin is promoted to be evenly distributed among fiber yarns, and the phenomenon of resin agglomeration is reduced.

The utility model discloses a lifting device and a lifting connection device. The lifting device comprises a supporting structure, the supporting structure comprises at least one supporting assembly, the supporting assembly is used for containing a base plate, each supporting assembly comprises a first base, the first base is provided with a plurality of sets of supporting units, and the supporting units are connected with the base plate; the lifting structure comprises a driving part, the output end of the driving part is provided with a steering assembly, the steering assembly is connected with at least one lifting assembly and converts rotary motion into vertical motion, and the lifting assemblies are connected with the first base so as to drive the base plate to ascend or descend. According to the utility model, the single driving piece drives the lifting assemblies through the steering assembly, so that synchronous lifting of multiple supporting points is ensured, and inclination or clamping stagnation of the substrate is avoided; the steering assembly converts the horizontal rotating motion of the driving piece into the vertical direction, and the problem that the precision of a traditional pneumatic / hydraulic system is insufficient due to pressure fluctuation is solved.

The utility model relates to the field of automobile manufacturing, concretely relates to a machining center main shaft disc spring dismounting frock. The device includes bottom support, top support and screw rod, the top support is provided with the center hole, and the center hole is chamfered, and the bottom support is provided with the center positioning hole corresponding with the top support, and the center positioning hole is half opening, the top support is provided with three penetrating positioning holes, the bottom support is provided with three half opening slot positioning holes, and the positioning hole position of bottom support and top support corresponds, the screw rod is provided with three, and is matched with the positioning hole of bottom support and top support respectively, the middle part of top support is provided with the center hole size and the main shaft disc spring rod rod diameter match. The utility model is simple to make, convenient, fast, safe to use, shortens the main shaft disc spring installation time, improves equipment maintenance efficiency, alleviates maintenance labor intensity, avoids the problem such as personnel injury, equipment damage caused by the poor spring force control in the installation process.