226results about "Work clamping means" patented technology

The invention discloses a multi-station cooperative hydraulic valve element inner hole fine polishing and rolling workbench which comprises a base, a lifting seat is arranged in the base, a controller is arranged on one side of the base, the multi-station cooperative hydraulic valve element inner hole fine polishing and rolling workbench further comprises a multi-station machining assembly, and the multi-station machining assembly is arranged in the lifting seat. The invention relates to the technical field of hydraulic valve element production equipment, hydraulic valve elements are fixed through fixing stations which are annularly distributed at equal intervals, and the hydraulic valve elements are sequentially conveyed to the positions below the machining stations, so that a multi-station machining array conducts corresponding machining operation on inner holes of the multiple hydraulic valve elements at the same time; and the workpiece is rotated and moved for multiple times, so that the inner hole of the hydraulic valve element is sequentially subjected to all procedures of preliminary honing, blowing cleaning and fine polishing rolling, the production procedures are simplified, the production efficiency and the machining precision of machining of the inner hole of the hydraulic valve element are remarkably improved, and therefore the requirement for large-scale production is met.

The invention discloses a self-adaptive clamp for finish machining of an outer circle of a variable-cross-section thin-wall part. The self-adaptive clamp comprises a clamp body for installing a driving assembly, a self-adaptive positioning assembly and a clamping assembly. A third round sleeve is arranged at the right end of the clamp body; a plurality of mounting holes penetrate through the outer circumference and the inner circumference of the clamp body; an arc-shaped block of the self-adaptive positioning assembly is arranged in the mounting hole; the driving assembly comprises a center shaft, a conical protruding block is arranged at the position, corresponding to the inner supporting sliding block, of the center shaft, and when the center shaft moves leftwards, circumferential supporting positioning is provided for a workpiece to be machined. The clamping assembly comprises a first round sleeve rotationally installed at the near end of the clamp body and a second round sleeve slidably arranged at the other end of the clamp body, and the second round sleeve is located on the inner side of a third round sleeve and adjustably connected to the third round sleeve through a lead screw and a spring. And the second round sleeve applies axial clamping force to a to-be-machined workpiece clamped between the first round sleeve and the second round sleeve through the elastic force of the spring.

The invention relates to the technical field of compressor cylinder covers, in particular to a compressor partition plate hole machining clamp which comprises a support, four sets of positioning mechanisms, a fixing mechanism and a power mechanism, the four sets of positioning mechanisms are evenly distributed on the support, each set of positioning mechanism comprises a mandrel and an elastic clamp arranged on the mandrel in a sleeving mode, and workpieces are arranged on the elastic clamps in a sleeving mode; the fixing mechanism and the positioning mechanism are correspondingly arranged, and the fixing mechanism comprises a mounting plate arranged on the outer side of the mandrel, a plurality of sets of supporting assemblies arranged on the mounting plate in a circumferential array mode and pressing assemblies arranged corresponding to the supporting assemblies; the power mechanism is installed on the support and drives the supporting assembly, the positioning mechanism and the pressing assembly to act in sequence to clamp a workpiece. The workpiece is placed on the multiple sets of supporting units, the supporting faces of the two sets of turning plates in each set of supporting units can be rotated from opposite arrangement to upward arrangement to support the workpiece, after the workpiece is supported, the positioning mechanism and the pressing assembly fix the workpiece, and the problem that in the prior art, the workpiece positioning precision is poor is solved.

The invention relates to an intelligent flexible machining tool and method for a complex thin-wall frame structural member, belongs to the technical field of numerical control machining equipment, is used for solving the problems of part clamping deformation, precision reduction and low efficiency of repeated clamping, has the function of monitoring pressure and deformation displacement on line, and can effectively reduce machining stress and part deformation. The tool comprises a base plate, a central control system, a controllable clamping module and a precise supporting module. And the controllable clamping module has an avoiding function. By means of the modular clamping tool, full-sequence machining of the parts can be completed through one-time clamping, workpiece deformation is effectively avoided, and the machining precision and the production efficiency are remarkably improved. According to the intelligent flexible machining tool and method, the framework of the foundation plate and the rapid detachable electric pneumatic clamping assembly is adopted, the clamping position can be flexibly adjusted according to the part specification, and the application range and the flexibility degree of the clamping device can be remarkably improved.

The invention relates to the technical field of mold milling machining tools, in particular to a machining tool for mold milling, which comprises a bearing shell and a clamping mechanism, the clamping mechanism comprises a clamping assembly, two positioning and fixing assemblies, two transmission assemblies and a synchronous assembly, the clamping assembly comprises a first two-way threaded rod rotationally connected to the inner wall of the bearing shell through a bearing, and the side end of the first two-way threaded rod is rotationally connected to the side wall of the bearing shell through a bearing in a penetrating mode. The distance between the two clamping plates can be rapidly adjusted through the arranged clamping assembly, preliminary clamping of dies of different sizes is achieved, the positions of the positioning clamping plates can be rapidly and accurately adjusted through the arranged positioning and fixing assembly according to the sizes of the dies, it is ensured that the dies cannot displace or deform in the machining process, and the machining efficiency is improved. Therefore, not only is the machining precision of the die improved, but also the application range of the tool is widened.

The application relates to a force-amplifying pneumatic clamping jaw, which comprises multiple unit air cylinders, a tail cover, an end cover, a driving rod, a first clamping jaw and a second clamping jaw, the cylinder body and the end cover of each unit air cylinder are provided with first air holes, the piston body of each unit air cylinder is provided with a second air hole; the end cover is provided with a third air hole, one end of the third air hole is communicated with a second air nozzle, and the other end is communicated with the rod cavity of the unit air cylinder closest to the end cover, the cylinder body of each unit air cylinder except the unit air cylinder closest to the end cover is provided with a fourth air hole, one end of the fourth air hole is communicated with the rod cavity of the unit air cylinder, and the other end is communicated with the atmosphere. The application rearranges the air inlet and outlet channels, only has a slight impact on the workpiece once when performing the clamping action, presents a stable clamping phenomenon, and has small vibration; meanwhile, the clamping force is rapidly increased from small; when performing the opening action, a stable opening phenomenon is presented, vibration and noise can be reduced.

The application discloses a kind of outer circle turning tool and turning method of automobile water tank branch pipe, it is related to turning tool equipment technical field;Including: the connecting piece being connected with lathe, the fixed part for being fixed to the inner wall of automobile water tank branch pipe is arranged on the connecting piece, the release part for releasing the fixed part is arranged on the fixed part, so that the fixed part does not rotate with the connecting piece;In the application, by two groups of symmetrical and opposite screw threads, it is ensured that two groups of advancing rings move synchronously to the inside when lathe rotates, the eccentric problem caused by one-side clamping is avoided, in addition, four groups of evenly distributed connecting lug one, connecting lug four and corresponding adjusting rod one, adjusting rod two, make four groups of clamping blocks move synchronously and evenly stressed in radial direction, guarantee the accuracy of centering, at the same time, the rubber abutting block of clamping block and the antiskid rubber layer of clamping block one and clamping block two form flexible clamping from inside and outside, which prevents the branch pipe from slipping, and avoids metal scratches.

A workpiece support (18) for supporting a workpiece (14), the workpiece support (18) comprising a workpiece support body (54) and a workpiece support element (20) associated with the workpiece support body (54) for engaging the workpiece (14) and a piezo electric actuator (32) being associated with the workpiece support body (54) for moving the workpiece support element (20) for supporting the workpiece (14). The workpiece support body (54) comprising one or more flexures (44) that enable a movable portion (42) of the workpiece support body (54) to move when acted on by the piezo electric actuator (32) and to move the workpiece support element (20). The workpiece support (18) can comprise two or more workpiece support bodies (54) and a piezo electric actuator (32) being associated with each workpiece support body (54) for moving the respective workpiece support elements (20).

A joined body includes a first member, a second member, and a joining portion disposed therebetween and joining the first member and the second member. The joining portion includes a first joining layer on a side toward the first member and formed of a first joining material, a second joining layer on a side toward the second member and formed of a second joining material, and a metal layer therebetween and having a plurality of holes communicating with one another. The metal layer includes a first-joining-material-impregnated layer on a side toward the first joining layer and in which the plurality of holes are impregnated with the first joining material, a second-joining-material-impregnated layer on a side toward the second joining layer and in which the plurality of holes are impregnated with the second joining material, and an unfilled hole layer therebetween and in which the plurality of holes are void.

The embodiment of the invention discloses a work fixture applied to turbine blades, which is characterized by comprising a support plate, a clamping structure, a support device and a positioning replacement block group, the supporting device comprises a driving part, a propelling device and a supporting execution part; the positioning replacement block group comprises a supporting part and a positioning block group, and the positioning block is provided with a positioning point; the positioning blocks are attached to the turbine blade through the positioning points; the positioning blocks in the positioning block group can be detached and replaced; the clamping structure comprises a clamping block, and the clamping block clamps the turbine blade. According to the implementation mode, the distribution of the positioning points can be adjusted according to the curved surface of the blade, the stability of the clamped blade is improved, the problem of machining size errors is reduced, the blade clamping device can adapt to blades with different shapes and contours, the situation of side inclination during machining is reduced, the machining precision is improved, and the time consumed for switching machining models can be shortened.

The present invention provides a substrate fixing jig assembly and a substrate fixing method using the same, the substrate fixing jig assembly comprising: a carrier having a substrate fixing jig insertion groove; a substrate fixing jig detachably inserted into the substrate fixing jig insertion groove and having a substrate accommodating portion; and a substrate supporting portion slidably mounted to the substrate fixing jig and fixing the substrate accommodated in the substrate accommodating portion.

The invention relates to a machine tool part, in particular to a universal clamping system for finish machining of a press machine template, which comprises a clamp bottom plate, a plurality of equal-height supporting modules and damping compensation modules are arranged on the clamp bottom plate in an array mode, the equal-height supporting modules are used for supporting workpieces and can spray air for self-cleaning, and a clamping module is further arranged on the clamp bottom plate. The clamping modules are arranged on the two sides of the workpiece in the length direction and the two ends of the workpiece in the width direction. The universal clamping system for finish machining of the press machine template has the beneficial effects that after a workpiece is subjected to equal-height supporting in the Z-axis direction through the equal-height supporting module and the damping compensation module, the workpiece is jacked and fixed from the periphery through the pneumatic jacking component, and accurate and stable fixed supporting of the template type workpiece is achieved; and meanwhile, the equal-height supporting module is provided with an air injection channel for automatically cleaning the supporting surface, and the damping compensation module is used for compensating a contact gap formed by unevenness or deformation of the supported surface of the workpiece.

The drilling machine comprises a supporting piece and a supporting plate arranged on the supporting piece, a reference disc is rotationally connected to the position, close to the right end wall, of the center of the supporting plate, the lower end of the reference disc is in transmission connection with a motor assembly, and a drilling assembly is arranged on the position, close to the left side of the reference disc, of the upper wall of the supporting plate; limiting frames are fixedly connected to the left front portion and the right rear portion of the upper wall of the supporting plate, frame cavities penetrate through the end walls of the limiting frames, and threaded rods penetrate through the frame cavities. The drilling machine has the beneficial effects that during drilling, a bottom air cylinder operates, a transmission rod drives a connecting piece to move in a sliding through opening, a supporting seat moves, and a sliding block and a sliding rail move, so that the supporting seat is more stable during moving, an abutting rod, a first drill bit assembly and a second drill bit assembly on a connecting seat synchronously move along with the supporting seat, and the abutting rod is used for making contact with materials; and therefore, the displacement stroke of the connecting seat is limited, excessive displacement of the connecting seat is prevented, and the first drill bit assembly and the second drill bit assembly are used for drilling materials.

The application belongs to a kind of shell processing method, aiming at the technical problems of low machining precision and easy deformation during the processing of hemispherical shell, provides a kind of hemispherical shell and its processing method, by optimizing the structure shape of raw material blank, the material blank consumption is reduced by about 10%, in the processing process, the clamping position is close to the processing position by optimizing the process clamping step, so that the machining process can increase the rough machining cutting amount, and the clamping positioning can be repeated, the positioning accuracy is improved, the production process is easy to operate, according to the material and cutting performance of the hemispherical part, by using the processing technology and tooling, the machining deformation of the hemispherical part is greatly reduced, and the qualified rate of batch production is effectively improved.

A three-way flange clamping mechanism comprises a supporting assembly, a driving assembly, a transmission assembly, a clamping assembly and a three-way flange. The supporting assembly comprises a tool bottom plate. The driving assembly comprises an air cylinder and a connector. The transmission assembly comprises a T-shaped connecting rod, a linear connecting rod and a rotating gear. And each rotating gear comprises a gear fixing shaft, a gear, a rotating bearing and an end cover. The linear connecting rod comprises a first connecting end and a second connecting end. The clamping assembly comprises a sliding rail assembly, a clamping pressing plate and a rack. Compared with the prior art, the air cylinder is arranged to drive the gear and the rack, rotation of the gear is utilized to drive the sliding block to move along the sliding rail, the clamping pressing plate is driven to achieve clamping and loosening of the clamping pressing plate, higher clamping force is obtained through double-force clamping of the transmission structure, and meanwhile the large-size product is clamped. And the tool occupies a small space. And a plurality of U-shaped pressing plate clamping plates are arranged, so that stable clamping is guaranteed.

The invention relates to the technical field of turning, in particular to a floating clamp. Existing part blanks such as bearing rings are generally formed by forging on a forging bed after bar blanking, and the parts of the type have large outer circle roundness errors. In automatic equipment, the outer diameter needs to be roughly ground through a grinding machine, and cost is high. A main shaft is provided with a flange plate, backer seats and clamp seats are arranged on the inner side and the outer side of the flange plate, a pull rod is arranged in the main shaft, conical sleeves are arranged in the clamp seats, spring clamps are arranged in the conical sleeves, floating clamping blocks and the spring clamps are arranged in a free floating mode, and the floating amount is controlled by a control piece. A backer is arranged on the backer seat, and a workpiece abuts against the backer and is clamped and loosened by the floating clamping block; whether the position of the workpiece is correct or not is detected by the detection mechanism. According to the floating clamp, when the outer diameter roundness of a machined product is not round, the outer diameter can be clamped to machine the inner diameter. The blank is directly processed on equipment, so that the cost is reduced. Feeding can be achieved under the condition that a machine tool spindle rotates, and efficiency is improved.

A membrane device includes a vacuum device main body having a plurality of vacuum holes such that a real wood sheet to be temporarily attached to a core is mounted in the vacuum device main body, a cover having a silicone film to define a vacuum space together with the vacuum device main body, a vacuum module to suck air in the vacuum device main body through the vacuum holes, and a control unit to compress the real wood sheet and the core for a preset time by sucking air in the vacuum space through the vacuum holes. The control unit removes the vacuum from the vacuum space by controlling the vacuum module so that the compressed real wood sheet is detached, and the vacuum device main body includes sliders to perform wrapping the real wood sheet around the inside of the core while moving upward.

The present invention makes a rotary movement smooth, the rotary movement allowing direct detection of the movement of an output member of a rotary clamp. In a clamp, an output member 5 is accommodated in a cylinder hole 2. A first valve chamber 21, to which compressed air is supplied, is provided between a lower wall 1b of a housing 1 and the output member 5. A second valve chamber 23 is hollowed out of the output member 5 so as to be provided open toward the first valve chamber 21. A valve rod 10c is inserted into the second valve chamber 23 from the lower wall 1b. A valve rod passage 10d that allows the second valve chamber 23 to communicate with outside air is provided in the valve rod 10c, and a seal section 27 is provided in a peripheral gap where the valve rod and the second valve chamber 23 move relatively to one another. The gap is formed so that, as the valve rod 10c and the second valve chamber 23 are in relative movement, there is a region which is sealed by the seal section 27 against movement of the compressed air through the gap between the valve rod and the second seal chamber and the there is a region which is open from the seal.

The invention relates to the technical field of numerical control machine tool multi-axis linkage, and discloses a numerical control machine tool multi-axis linkage synchronous control device which comprises a supporting base, first pressure sensors are fixedly arranged at one ends of two butt joint first springs correspondingly, and through holes are formed in the two sides of a butt joint movable module correspondingly; the electric push rods are started to be clamped into the clamping holes in one sides of the clamping strips through the through holes, then butt joint of the triangular support and the movable module is completed, and after butt joint is completed, the movable module is driven to move. A second motor is reversely driven to enable a first screw rod to reversely rotate, so that a tripod and a movable module are driven to move together, and a movable clamp rotates at a high speed under the condition that the first motor drives a rotating shaft to rotate, so that a knife roll fixed at the upper end of the movable clamp can machine the other end of the workpiece; and only the movable module needs to be moved to be far away from the workpiece, so that energy loss is saved, and advanced aging of equipment is reduced.

The invention relates to the field of trailer traction ring machining, and discloses a trailer traction ring machining device which comprises a right clamping block, the right clamping block is slidably mounted at the top of a base, a screw is rotatably mounted in the base, the right clamping block is mounted on the outer surface of the screw in a threaded mode, and a first positioning assembly is mounted on the inner side of the right clamping block; and the left clamping block is installed on the top of the base in a sliding mode, the left clamping block is installed on the outer surface of the threaded rod in a threaded mode, and a second positioning assembly is installed on the inner side of the left clamping block. According to the device, the first positioning assembly located on the inner side of the right clamping block and the second positioning assembly located on the inner side of the left clamping block are used for abutting against an inner ring of a workpiece in a matched mode, stress on the upper portion and the lower portion of the workpiece is more balanced, the whole clamping force for fixing the workpiece is more balanced and reasonable, the reliability of the design is higher, and the vibration influence generated during machining can be completely counteracted.

A system for processing a workpiece includes a milling platform, a workpiece handling robotic arm (WHRA), and a spindle robot arm (SRA). The WHRA has a holding tool adapted to move the workpiece from an input staging area to the milling platform, and from the milling platform to an output staging area. A base of the WHRA, the input staging area, the output staging area are all positioned on a same side of the milling platform. The SRA has a milling tool and is adapted to mill the workpiece when supported on the milling platform. The system may include a processor configured to control the WHRA to move the holding tool to a release position or orientation based on positional data of the workpiece generated by contact position sensors, and to move a robotic arm to position vacuum pods on the milling platform, based on the geometry of the workpiece.

This invention discloses an adjustable fixture for CNC machining of rotor blades of manned helicopters, relating to the field of machine tool fixture technology. It includes a positioning frame and a mounting plate. The edge of the mounting plate has a detection station and a machining station corresponding to two adjacent sets of blades. The detection station has a shape measurement mechanism, and the machining station has a clamping machining mechanism. The shape measurement mechanism, combined with a laser ranging probe, measures the shape of a standard blade. The clamping machining mechanism includes support cylinders distributed on the machining station, positioned below the blade at the machining station corresponding to the laser ranging probe. A machining motor is mounted above the blade at the machining station. The laser ranging probe measures the shape of the standard blade, the support cylinders in the clamping machining mechanism support and position the blade to be machined, and the machining motor, combined with the machining of the upper surface of the blade, achieves overall blade machining in conjunction with an attitude adjustment mechanism.

An automatic centering multi-station machining valve body tool, the lower clamping block is positioned on the tool body and cooperates with the clamping body, the clamping mechanism composed of the clamping body and the clamping transmission bolt locks the lower positioning block; the indexing mechanism composed of the top piece, the indexing top rod and the indexing bolt completes the switching of the multi-station, realizing the multi-station machining; the upper clamping block driving bolt drives the upper clamping block to move up and be loaded into the valve body, the upper clamping block driving bolt drives the upper clamping block to move down and clamp the valve body, and simultaneously forces the middle port and the two end portions of the valve body to move to the center of the tool, so that the center of the tool body coincides with the center of the valve body, realizing automatic centering; the present application realizes multi-station machining through one-time clamping, improves the production efficiency and the product quality.

This invention discloses a combined fixture and clamping method for machining hemispherical valve cores, relating to the field of hemispherical valve core machining technology. It includes a base, a mounting plate on the top surface of the base, a cylindrical tube in the middle of the top surface of the mounting plate, and an arc-shaped support plate on top of the cylindrical tube. A rectangular groove is symmetrically formed on the top surface of the mounting plate, and an external clamping mechanism is located within the rectangular groove. An internal clamping mechanism is located on the outer surface of the inner top of the cylindrical tube, and a driving mechanism is located within the mounting plate. This invention uses gas to drive the external and internal clamping mechanisms to work synchronously, thereby externally clamping and internally fixing the hemispherical valve core, thus improving the stability of the valve core clamping. Simultaneously, the use of a sealing component ensures that even after the external clamping is released, the internal clamping continues to clamp and fix the hemispherical valve core, avoiding errors caused by repeated disassembly or installation of the valve core, improving the machining accuracy of the hemispherical valve core, and enhancing the valve's sealing performance.

The invention relates to the technical field of numerical control boring and milling machines, and discloses a high-precision heavy floor type numerical control boring and milling machine and a working method. The clamping adjusting units are arranged on the two sides of the bearing table and used for clamping and fixing the to-be-machined boring and milling part and horizontally adjusting the to-be-machined boring and milling part; and the chip removal adjusting unit is arranged on the bearing table and used for removing boring and milling chips on the to-be-machined boring and milling part. By arranging the clamping and adjusting unit, the to-be-machined boring and milling part can be reliably clamped and fixed and accurately and horizontally adjusted, the problem that a heavy workpiece is prone to deformation or displacement in the machining process is effectively solved, and the clamping and adjusting unit can provide multi-point supporting and clamping according to the shape and weight of the workpiece; rapid and high-precision horizontal calibration of the to-be-machined boring and milling part is achieved, and the machining stability and the final precision are greatly improved.

The invention relates to a device for stabilizing a workpiece in a machine tool. The invention relates to a device for stabilizing a workpiece, in particular a thin-walled workpiece mounted in a machine tool, comprising at least one base; and a plurality of stabilizing elements. The stabilizing elements project away from one surface of the base, wherein the stabilizing elements comprise a cylinder and a rod arranged therein, and the rod can be driven hydraulically to move in the axial direction of the stabilizing element, so that the rods of at least two of the stabilizing elements can be brought into contact with one surface of the workpiece.

The application discloses a kind of super-large hydraulic cylinder long shaft deep hole finishing equipment and process, including workbench, the workbench is provided with turning assembly and the clamping assembly for fixed workpiece, the turning assembly includes tool bar and the tool of tool bar end, oil delivery channel is arranged in the tool bar, the end of oil delivery channel is provided with flushing component close to tool, the outside of tool bar is provided with chip removal component, oil cavity is formed between the end of chip removal component and tool, chip removal component keeps oil cavity full of oil while chip removal, oil pressure in oil cavity is greater than the pressure outside oil cavity, can provide lubrication while cutting to tool simultaneously with the chip generated by cutting with oil liquid simultaneously discharged.

This invention discloses an integrated welding and drilling system and method for vehicle roofs. The system includes a control unit, a robot unit, a positioning fixture, a spot welding unit, and a drilling unit. The robot unit includes a robot and a tool changer. The positioning fixture includes a welding positioning clamping mechanism and a drilling positioning mechanism. The spot welding unit includes a spot welding gun fixedly connected to the tool changer. The drilling unit includes an electric spindle gun and a manual drilling gun, located on either side of the spot welding gun. During operation, the system adjusts the positioning fixture to clamp and support different types of roofs. The control unit controls the robot to move the spot welding gun to the welding area for welding. After welding, the tool changer rotates to switch tools for drilling. After the operation is completed, the robot resets. This system integrates welding and drilling functions, enabling automated, high-precision welding and drilling of vehicle roofs, achieving flexible production operations.