26results about How to "Guaranteed clamping accuracy" patented technology

The utility model discloses a kind of self-adapting assembly component clamp device, comprising: mounting bracket;Fixed chuck, fixed on the mounting bracket;Movable chuck, for cooperating with the fixed chuck and clamping workpiece;Outer tube, set on the mounting bracket;Slide bar, slidingly set in the outer tube, the slide bar moves under the direction of first gas pressure towards the fixed chuck;The driving block and the movable chuck between there is mutually matched slope;Cylinder, for driving the driving block moves after the slide bar is locked and cooperates, to drive the movable chuck moves towards the direction of the fixed chuck by the cooperation of the slope.The technical scheme not only improves the compatibility of fixture to diversified products, and through accurate secondary clamping, the clamping accuracy and reliability in assembly process are guaranteed, so as to improve production efficiency and product quality, effectively solve the problem proposed in background art.

The utility model provides an overturning synchronizing device. Relates to the field of overturning tools, and aims to solve the problems that a sand core deviates from a correct position due to the fact that clamping pieces of an existing clamp do not move synchronously and the sand core is damaged due to the fact that the two sides are not synchronous when the sand core is clamped to rotate, a first synchronizing mechanism is arranged for a clamping block, and the clamping block can synchronously clamp the two sides of the sand core; the problem of deviation caused by disturbance of the sand core in the clamping process is reduced; and a second synchronizing mechanism is arranged for the rotary body in contact with the sand core, and the two sides of the sand core can be driven to synchronously rotate after the sand core is clamped, so that the problems of damage and destruction caused by dislocation and torsion of the two sides of the sand core are reduced, the clamping precision of the sand core is ensured, and the casting quality is improved.

The lathe end face clamp of the annular part comprises a main body, one end of the main body is connected with a flange plate, the other end of the main body is provided with a pressing rod, a sliding plate is arranged in the main body, the sliding plate is connected with the pressing rod in a sliding mode, and an elastic piece is arranged between the pressing rod and the sliding plate. The pressing rod is slidably connected to the main body, and the pull rod penetrates through the flange plate and is fixedly connected with the sliding plate. According to the lathe end face clamp for the annular part, clamping deformation of the annular part is reduced by clamping the end face of the annular part, meanwhile, clamping and positioning are facilitated, and use is more convenient.

The application discloses an elevator buffer cylinder automatic cleaning machine, which is characterized by comprising a workbench (1), a feeding device (2), a discharging device (3), a rotating disc mechanism (4) and a cleaning head (5). During work, the cleaning head (5) cleans the buffer cylinder located in the cleaning station of the rotating disc support (6). At this time, the feeding device (2) feeds the buffer cylinder into the rotating disc support (6) located in the feeding station channel, while the discharging device (3) discharges the buffer cylinder located in the discharging station channel of the rotating disc support (6), and the rotating disc support (6) located in the standby station channel is kept empty. The cleaning machine sequentially completes the four processes of feeding, cleaning, discharging and waiting for feeding through the rotating disc mechanism, realizes full-automatic cleaning, saves manual work, increases operation efficiency, guarantees clamping precision and increases cleaning efficiency. In addition, feeding, cleaning and discharging are synchronously performed.

The utility model relates to a stainless steel vacuum cup production technical field, for a kind of stainless steel vacuum cup environment-friendly nano antibacterial inner container spraying device, the utility model can be fixed four vacuum cup inner containers once by clamping mechanism, it can be sprayed to four inner containers simultaneously in combination with spraying assembly, greatly shorten processing time, compared with the device that traditional once can only spray one inner container, the processing efficiency of inner container is significantly improved, through planetary gear transmission structure, motor drives four containing cylinder synchronous rotation, so that inner container rotates at uniform speed in the process of spraying, realizes spiral even spraying, at the same time, limiting rod ensures clamping precision, cylinder controls the height of spray head can be in-depth inner container, ensure that nano antibacterial paint evenly covers, improve coating covering efficiency and environmental protection.

This utility model relates to the field of sheet metal bending technology and discloses an auxiliary device for bending in construction engineering, including a workbench, a base, and a hydraulic component. The base is fixedly connected to the surface of the workbench, the hydraulic component is installed on the surface of the workbench, and a clamping structure is provided on the surface of the workbench. The clamping structure includes a slide groove, and a slide plate is slidably connected to the inner wall of the slide groove. A bidirectional screw is slidably connected to the inner wall of the slide groove, and a motor is installed on the surface of the workbench. This utility model solves the problem that existing auxiliary devices for bending in construction engineering typically clamp parts of a single size. When clamping parts of different sizes is required, quick adjustment is often inconvenient, which affects the normal use of the device over time.

The invention relates to the technical field of steel bar clamping, and discloses a steel bar clamping device and a clamping method.The steel bar clamping device comprises a clamping mechanism, a driving mechanism, a first guiding mechanism and a supporting mechanism; the clamping method comprises the steps that the driving air cylinder is used for pulling the distance between the first clamping block and the second clamping block, and the driving air cylinder is used for pulling the distance between the first clamping block and the second clamping block. By the adoption of the technical scheme, the steel bar clamping efficiency can be greatly improved.

The invention discloses a clamping device and a clamping method thereof, relates to the technical field of clamping devices, and aims to solve the problem that the stability of a clamped workpiece is poor due to the fact that clamping force in a single direction is applied to the workpiece only through clamping of a pin shaft and a groove between a clamping groove of an existing clamp and the workpiece. The sliding groove is formed in the lower end of the interior of the body, and positioning grooves are formed in the two sides of the inner wall of the sliding groove; the ball head guiding pieces are installed in the positioning groove, the number of the ball head guiding pieces is multiple, and the multiple ball head guiding pieces are distributed in the positioning groove at equal intervals; the wedge-shaped bearing guide strip is installed on the inner wall of one side of the sliding groove, and the wedge-shaped bearing guide strip is arranged at the upper end of the positioning groove; the hydraulic oil conveying pipe is installed in the front protection plate, a plurality of hydraulic cylinders are installed at the front end of the hydraulic oil conveying pipe, and the hydraulic cylinders are distributed at the front end of the hydraulic oil conveying pipe at equal intervals.

The invention relates to the technical field of intelligent welding, in particular to an intelligent triggering magnetic type spectacle frame hinge laser welding platform and a welding method thereof.The intelligent triggering magnetic type spectacle frame hinge laser welding platform comprises a machine table and a bearing table arranged on the machine table, a multidirectional translation mechanism is arranged on the bearing table, a support is connected to the multidirectional translation mechanism, and a welding head is arranged on the support; the conveying assemblies are symmetrically arranged on the machine table, and a conveying belt is connected to the conveying assemblies; the lifting assembly is arranged on the machine table, a supporting plate is connected to the lifting assembly, a clamping groove is formed in the supporting plate, an electromagnetic device is arranged on the supporting plate, and a receding mechanism connected with the conveying assembly is arranged on the supporting plate; and the magnetic attraction locking mechanism is arranged on the supporting plate, a first deflection plate and a second deflection plate which are symmetrically distributed are connected to the magnetic attraction locking mechanism, the angle of the first deflection plate and the angle of the second deflection plate are adjusted through magnetic force, materials attracted into the clamping groove through the magnetic force can be positioned and locked, and therefore the welding precision is ensured.

The utility model relates to a precise positioning support tool, and belongs to the field of machining positioning toolings, the precise positioning support tool comprises a working platform and a fastening assembly, the upper surface of the working platform is provided with a positioning column, and the positioning column is clamped in a through hole; the fastening assembly is arranged on the working platform and comprises two L-shaped supports, each L-shaped support comprises a first telescopic rod and a horizontal rod which are perpendicular to each other, the lower side of each horizontal rod can abut against the upper side of the corresponding support, a cavity is formed in the position, corresponding to the corresponding L-shaped support, of the working platform, and the first telescopic rods vertically extend downwards into the cavities. A turbine is arranged in the cavity, and the turbine is coaxially and fixedly arranged at the lower end of the first telescopic rod; a worm meshed with the turbine is arranged on one side of the turbine, one end of the worm penetrates through the working platform and is fixedly connected with a hand wheel, and the hand wheel rotates to drive the two L-shaped supports to rotate and fix the support to the working platform. The machining method has the effect of improving the machining precision of the support.

The utility model relates to automatic material taking technical field discloses a valve material taking device, including elevating mechanical arm, the outside of elevating mechanical arm is connected with the drive platform of sliding, the outside fixed connection of drive platform has lubricating mechanism, the bottom of elevating mechanical arm rotatoryly connected has the rotating block, the bottom fixed connection of rotating block has replacement mechanism, the bottom of elevating mechanical arm is connected with work piece of sliding, the lubricating mechanism includes connecting block, the outside fixed connection of drive platform is in the outside of connecting block, the top fixed connection of connecting block has the oil storage tank, the outside fixed connection of connecting block has the oil pipe, the inside sliding connection of oil pipe has the limit plate, the top fixed connection of oil pipe has control assembly, in the utility model, effectively reduce the tooth surface wear and deviation of positioning caused by dry friction, significantly prolong the service life of elevating mechanical arm, improve the stability and reliability of equipment operation.

The embodiment of the present invention relates to a logistics conveying equipment in the field of semiconductor manufacturing, and in particular to a positioning mechanism, a gripping system, a wafer transfer box and a gripping method thereof. The positioning mechanism is arranged on a gripping platform for gripping a wafer transfer box FOUP, and the positioning mechanism is used to position the FOUP at the target position when the gripping platform is descending; the positioning mechanism is also used to output an electrical signal to the main control module of the gripping system in real time when positioning the FOUP, so that the main control module can judge whether the positioning mechanism has completed the positioning of the FOUP according to the received electrical signal, and the main control module can control whether the gripping platform grips the FOUP according to the judgment result. Compared with the prior art, the clamping accuracy of the gripping platform when gripping the FOUP can be guaranteed, and the gripping failure of the gripping platform can be effectively avoided, and after the gripping of the FOUP is completed, the phenomenon of the FOUP falling out of the gripping platform can be prevented.

The utility model discloses an elastic clamping jaw for a synchronous chuck, and belongs to the technical field of elastic clamping jaws. Comprising a clamping jaw body, a guide rail plate, an elastic jaw body and a pressure transmitter. A rack movably connected with the synchronous chuck in a clamped mode is integrally formed at the bottom of the clamping jaw body. Straight grooves are formed in the two faces of the clamping jaw body. A plurality of open grooves are formed in the front end of the clamping jaw body; the jaw body is provided with a rear groove body on the side of the open groove; a plurality of screw holes are formed in the inner side of the straight groove of the clamping jaw body; a sliding hole is formed between the open groove and the rear groove body; counter bores are formed in the guide rail plate opposite to the screw holes; a bolt body screwed with the screw hole is arranged on the inner side of the counter bore; the guide rail plate is movably clamped with the synchronous chuck; a sliding column is integrally formed at the rear end of the elastic claw body; the elastic claw body is provided with a spring groove outside the sliding column; according to the elastic clamping jaw for the synchronous chuck, a workpiece can be tightly clamped by the clamping jaw body, and the clamping tightness is guaranteed; and the workpiece clamping precision can be ensured.

The utility model discloses a supporting tool for drilling and milling thin steel, which comprises a base and a clamping part, a supporting frame is arranged at the top of the base and used for supporting the thin steel, the clamping part is arranged at the top of the base in a sliding mode and used for clamping and fixing the thin steel, and the clamping part is provided with a sliding block arranged at the top of the base in a sliding mode. A connecting block is horizontally and rotationally arranged at the top of the sliding block, a rotating frame is longitudinally and rotationally arranged at the top of the connecting block, a clamping structure is arranged at the bottom of the rotating frame and used for limiting rotation of the rotating frame, a screw is rotationally arranged in the rotating frame, a pressing plate is rotationally arranged at the bottom of the screw, and the pressing plate is in sliding connection with the rotating frame. The clamping part is arranged, the pressing plate is driven to be quickly separated from a workpiece through the rotating action of the rotating frame, the operation that a traditional screw needs to be reversely rotated by multiple circles is avoided, the disassembling efficiency is remarkably improved, meanwhile, stable clamping force can still be provided through threaded fit of the screw and the threaded groove, and rigid fixation of thin steel in the machining process is guaranteed.

The utility model discloses a high-performance electric clamping jaw which comprises a clamping jaw body, a clamping finger assembly, a driving motor and a control circuit board, the control circuit board and the driving motor are fixedly installed in the clamping jaw body, the control circuit board is connected with the driving motor through a cable, and the driving motor is connected with the clamping finger assembly. The clamping finger assembly is connected with the driving motor through a telescopic rod, the clamping finger assembly comprises a sliding block and two clamping fingers, the clamping fingers are symmetrically fixed to the sliding block, a triangular sliding groove is formed in the end, connected with the clamping finger assembly, of the telescopic rod, and the telescopic rod is connected with the sliding block through a base matched with the triangular sliding groove. The high-performance electric clamping jaw is compact in overall structure, small in size and light in weight, meets the requirement for miniaturized operation, is driven by the motor, is high in response speed and high in efficiency of clamping tiny objects, and achieves high-precision and high-efficiency automatic operation.

This invention discloses a laser cutting machine for precision workpiece machining, capable of automatically positioning the workpiece. It relates to the field of precision workpiece machining technology and includes a worktable and a positioning assembly. A support roller is rotatably connected to the center of the worktable, and a waste bin is located below the worktable. A three-axis slide module is installed at the rear of the worktable, and the output end of the three-axis slide module is connected to a laser cutting head. During positioning, the drive motor first drives the two slide blocks to move synchronously towards each other via positive and negative threaded screws. A buffer spring pushes the roller frame and its rollers to contact the workpiece. The buffer spring, with its low elastic coefficient, ensures a gentle contact force. After initial positioning, the slide blocks continue to move, compressing the buffer spring. The drive slotted plate, through rollers, drives the positioning seat and positioning plate to complete the final rigid clamping. This process of first guiding and then locking can complete high-precision automatic centering within seconds, resulting in high positioning accuracy.

The invention provides a belted layer transfer ring. The belted layer transfer ring comprises a belted ring body, the mounting plate is rotatably arranged; the connecting rod assemblies are arranged at the first end parts of connecting rods on the belted ring body, the second end parts of the connecting rods which are arranged on the mounting plate and can move, and the third end parts of the connecting rods which are hinged with the clamping block assemblies; the clamping block assembly is provided with clamping blocks, connecting pieces and a limiting shaft. The multiple clamping blocks and the connecting pieces form an approximately-circular structure connected end to end. And the telescopic driving source is arranged on the belt ring body, and the driving end of the telescopic driving source is fixedly connected with the mounting plate. According to the invention, a composite belted layer is clamped mainly through a newly designed belted layer transfer ring and an approximately circular structure which is connected end to end and is formed by the clamping block assemblies which synchronously stretch out and draw back; by means of the clamping blocks, the sheet-shaped connecting pieces arranged on the clamping blocks and the limiting shafts, the clamping blocks can keep precision in the clamping process, have certain movement space and are not blocked, and the composite belted layer can be better clamped.

The utility model relates to the technical field of automobile machining, and discloses a multi-vehicle-type Z-direction positioning mechanism which comprises a driving mechanism and a carrying mechanism, the driving mechanism is used for moving and driving the carrying mechanism, and the carrying mechanism is used for carrying and positioning automobile parts. The supporting block arranged on the upper portion of the telescopic air cylinder is used for carrying out floating supporting and positioning on the automobile part in the Z-axis direction, overturning supporting of the carrying grabbing arm is matched with pushing and pressing of the telescopic air cylinder on the supporting block, carrying and fixing of the automobile part are achieved, and when a new automobile model is guided in, only the supporting block needs to be replaced, and multiple automobile models can be compatible; the supporting block is arranged in a stroke-adjustable structure, the adjusting nut is arranged at the joint of the supporting block mounting seat, the clamping stroke of the supporting block can be controlled and adjusted by fastening and adjusting the adjusting nut, and the clamping stroke of the supporting block can be flexibly adjusted according to the specification of a component; the clamping precision of the supporting block is guaranteed, and automobile parts are prevented from being damaged.

The utility model relates to the technical field of soldering tin processing, in particular to a welding device capable of automatically injecting tin. According to the utility model, the element is clamped and positioned on the heating platform through the clamping mechanism, and the element is heated and welded by the heating platform after the tin injection mechanism injects tin into the welded element, so that the positioning effect of the element is effectively ensured, the welding is more convenient and faster, and the operation is easier; and meanwhile, the lifting mechanism can adjust the relative position between the clamping mechanism and the heating platform, so that the clamping mechanism is adjusted to move to a proper position according to the specifications of different elements, the element clamping precision can be guaranteed, and the application range is wide.

The utility model discloses a frock clamp for machining an axle central shell, which comprises a clamp body and an axle shell, the axle shell is mounted on the clamp body, the front end face of the axle shell is provided with a first machining face, and the lower end face of the axle shell is provided with a positioning pin hole; the clamp body comprises a bottom plate, a first pressing plate, a second pressing plate, a front positioning column and a rear positioning column. A positioning pin is arranged on the bottom plate; the front positioning columns are arranged on the two sides of the positioning pin, and auxiliary positioning blocks are arranged on the front positioning columns. A first pressing plate is arranged on the left side of the bottom plate; a second pressing plate is arranged on the right side of the bottom plate; the rear positioning column is positioned at the rear end of the bottom plate; when the clamp is used for clamping the axle central shell, the auxiliary positioning block is used for clamping, and the auxiliary positioning block is taken down after clamping is completed, so that the clamping precision is guaranteed, the clamping time is saved, and the machining speed is increased.

The invention discloses a workpiece position correction system for an automatic welding line for stamping parts, comprising a pin shaft and a support platform; the pin shaft comprises a positioning section, an upper conical section, an assembly section, and a lower conical section from top to bottom, the upper conical section and the lower conical section are coaxial and the conical surfaces face opposite directions; the support platform is provided with a through hole for the pin shaft to pass through on its surface, and limit bodies are respectively provided on the upper and lower sides, the limit bodies are provided with conical holes that can be combined with the conical surfaces of the upper conical section and the lower conical section. The workpiece position correction system for the automatic welding line for stamping parts adopts a floating pin shaft. During the assembly process, the pin shaft floats. After the assembly is completed, the pin shaft can be returned to rigid fixation to ensure the positioning accuracy, and the position of the pin shaft can be fine-tuned according to the positioning feedback of the pin shaft to adapt to the size error of the positioning hole between different batches of white bodies, reduce the collision between the pin shaft and the positioning hole, and avoid deformation of the positioning hole.

The utility model relates to optical fiber technical field especially relates to a kind of optical fiber fixing mechanism and fiber distribution box, including the support plate of being set in pairs, vertical lifting has lifting plate on support plate top, the same mounting plate is fixedly connected on the opposite side wall of two lifting plates, the same recessed plate is fixedly connected on the opposite side wall of two support plates, mounting plate and recessed plate opposite side are provided with several limit plates;Further include: drive assembly, drive assembly drives the synchronous lifting of two lifting plates;Moving assembly, moving assembly makes one of the limit plate on mounting plate can be individually vertically moved.The utility model is compared to the fiber distribution box in prior art, only single rotation is needed to realize the synchronous limit clamping of multiple optical fibers, avoids the tediousness of one by one operation, while effectively avoiding to loosen all optical fiber clamping during maintenance, prevent the situation that optical fiber line is in disorder, make optical fiber maintenance more accurate and efficient.

This utility model relates to the technical field of irregular part processing devices, specifically an adaptively adjustable thin-walled irregular part clamp, including a mounting plate. Two mounting frames are symmetrically slidably mounted on the top of the mounting plate. At least six first hydraulic cylinders are installed inside the mounting frames. The piston rods of the first hydraulic cylinders all point towards the center of the mounting plate, and a contact module is fixedly installed at the end of the piston rod of each hydraulic cylinder. This utility model achieves multi-directional and uniform clamping force on the thin-walled irregular part by setting at least six first hydraulic cylinders pointing towards the center of the mounting plate within the mounting frames. The contact module and pressure sensor at the end of the piston rod of each hydraulic cylinder can monitor the clamping force in real time, preventing deformation or damage to the thin-walled irregular part due to excessive clamping force. Simultaneously, the extension and retraction of the hydraulic cylinders can be flexibly adjusted according to the pressure data to adapt to thin-walled irregular parts of different shapes and sizes, ensuring clamping stability and accuracy.

The utility model provides a hydraulic clamp for five-axis machining of a cylinder base. The hydraulic clamp comprises a bottom plate, an inner clamping device and an outer clamping device, wherein the inner clamping device and the outer clamping device are installed on the bottom plate. A workpiece can be installed on the bottom plate, the inner clamping device is arranged at the hollowed-out position in the middle of the workpiece, and the outer clamping device is arranged on the periphery of the workpiece. The inner clamping device and the outer clamping device can clamp the outer side and the inner side of the workpiece respectively. According to the hydraulic clamp for five-axis machining of the cylinder base, the inner clamping device and the outer clamping device can alternately press a workpiece, it is guaranteed that the machined face of the workpiece can be completely avoided, one-time clamping is achieved, clamping precision can be guaranteed, repeated clamping can be avoided, machining efficiency is improved, meanwhile, a plurality of clamps are not needed, and cost is reduced.

The utility model relates to the technical field of gear or rack manufacturing, in particular to a large gear ring tooth manufacturing tool which comprises a workbench and a supporting structure, the supporting structure is arranged on the workbench and comprises a bottom plate and a base, the bottom plate is fixed to the workbench, and the base is fixed to the bottom plate; the bottom plate is a rectangular block, and a plurality of mounting holes are formed in the middle of the bottom plate; the base is I-shaped, a plurality of locking mounting holes are formed in the bottom of the I-shaped base, and a pressing device and a limiting device are arranged on the base. The utility model provides a tooth manufacturing tool for a large gear ring. The tooth manufacturing tool can solve the technical problem that in the prior art, universality is poor.

This utility model discloses a welding fixture for radiators of engineering vehicles and commercial vehicles, including a base and a support platform. A worktable is installed on the horizontal surface of the support platform, and a lifting seat is provided on the vertical surface. Several end-face positioning rods of gradually varying lengths are installed on the lifting seat. A fixed seat is installed on the worktable, and a sliding seat that slides with the worktable is provided above the fixed seat. Clamping seats are respectively installed at both ends of the sliding seat. A support block is fixedly installed on the bottom front side of each clamping seat. Side positioning blocks are fixedly installed on the middle front side of two clamping seats on the same sliding seat. Side clamping mechanisms are provided on the front side of two clamping seats on another sliding seat, corresponding to the side positioning blocks. A top clamping mechanism is fixedly installed on the rear side of the clamping seat, and the top clamping block of the top clamping mechanism corresponds to the support block. This utility model is suitable for clamping products of the same type but different sizes, while ensuring clamping accuracy and facilitating subsequent automated welding.