8results about How to "Improve clamping rigidity" patented technology

The utility model relates to a high-stability machining clamp which comprises a base plate, a fixed jaw plate and a movable jaw plate capable of moving back and forth relative to the fixed jaw plate are arranged on the base plate, transverse sliding grooves are formed in the clamping end face of the fixed jaw plate in a left-right spaced mode, and the movable jaw plate can move back and forth relative to the fixed jaw plate. Auxiliary limiting plates are arranged on the two transverse sliding grooves in a left-right sliding mode, and a first locking assembly capable of synchronously locking the two auxiliary limiting plates is further arranged on the fixed jaw plate. The limiting position can be flexibly adjusted according to the outline of the workpiece through the left and right transverse sliding grooves formed in the fixed jaw plate and the sliding type auxiliary limiting plate, and the inclusiveness of the clamp to the special-shaped workpiece is expanded; the auxiliary limiting plate and the fixed jaw form multi-point cooperative clamping, local stress is dispersed, workpiece displacement caused by machining vibration is effectively restrained, and the clamping rigidity is remarkably improved; and meanwhile, synchronous locking of the auxiliary limiting plates on the two sides is achieved through the first locking assembly, traditional tedious operation of adjusting one by one is avoided, and the adjusting time is shortened.

The application discloses a kind of thin-walled sector structure part semicircle reference processing method, bushing, method includes: based on the structure of part Formulation include heat control process route of shape control;Semi-finishing is carried out to part;After semi-finishing, the part is clamped using heat shape control special fixture, heat shape control processing is carried out, and preliminary control heat shape control after part is obtained;Finish machining fixture is installed on lathe and is aligned;After heat shape control, the part to be machined is clamped on the aligned finish machining fixture, and the part to be finished is fixed by aligning inner hole and applying floating support;Install machine clamp tool and select finish machining blade, set parameter;Semi-circular reference plane of part is carried out finish machining cutting, and the combined tool path of inside-out and outside-in is used to tool path, and processing is completed.The application effectively controls the deformation amount before part finish machining, enhances the clamping rigidity of semicircular weak place, makes machining semicircular reference plane positioning reliable, and improves the quality and efficiency of processing.

The invention relates to the technical field of battery processing, in particular to a soft package power battery formation clamp device and a method thereof.The soft package power battery formation clamp device comprises a processing base, a pushing plate and a bearing plate are arranged at the two ends of the interior of the processing base respectively, a plurality of guide polish rods are fixedly connected to the interior of the processing base, and the pushing plate and the bearing plate are slidably inserted into the guide polish rods; a plurality of groups of clamping pieces are arranged between the pushing plate and the bearing plate; each clamping piece comprises a heating plate, two liquid storage plates and two sealing diaphragms; according to the invention, through the arrangement of the plurality of liquid storage tanks and the pressure regulation and control of the oil liquid storage space, the rigid confrontation between the clamping piece and the soft package power battery is reduced, so that the uniformity degree of pressure distribution of the soft package power battery is improved, the damage of high and low pressure differentiation to an internal roll core is reduced, and when the soft package power battery is expanded, the reliability of the soft package power battery is improved. The influence of local pressure limitation on the formation reaction is reduced, and the subsequent use effect of the soft package power battery is ensured.

This application relates to the field of tooling and fixture technology, and discloses a flexible fixture and its method of use suitable for machining large-diameter thin circular ring parts. The fixture includes flexible grippers, each comprising an assembly frame fixedly connected to a turntable and equipped with a guide rail. Two sets of radially movable support frames are movably connected to the guide rail. Each set of support frames is equipped with fan-shaped grippers with fan-shaped steps. A clamping cylinder is provided between the two sets of support frames, and a locking cylinder is provided on the side wall of each support frame. The locking cylinder extends and presses against the assembly frame to lock the position of the support frame. This flexible fixture and its method of use for machining large-diameter thin circular ring parts features nine sets of flexible grippers evenly distributed on the circular ring, clamping radially both internally and externally, increasing the force-bearing area, reducing deformation, and meeting high-precision machining requirements. It employs passive automatic auxiliary support technology, relying on the opening and closing of the fan-shaped grippers to achieve support, adapting to high-precision machining with poor flatness or rough surface positioning, and avoiding axial deformation and vibration.

The utility model relates to a tool holder technical field discloses a kind of stable tool holder, including two clamping claws, center positioning block and spring, two described clamping claws are left-right symmetrical and each other can open or close and install on tool disc, the center positioning block is fixed on the edge surface of tool disc and is located between two clamping claws, the spring is connected between the rear end of two clamping claws and is located in the rear side of center positioning block, the inside of two described clamping claws is provided with the clamping block for clamping handle, detachably mounted on the center positioning block is handle positioning block.The utility model can realize quick replacement different specifications handle positioning block (such as NBT30 / BT30 module) by the detachable design of handle positioning block, realize double handle standard compatibility, avoid the gap problem of traditional conversion sleeve, directly utilize the precision machining surface of positioning block and handle cooperation, improve clamping rigidity;And modular design reduces maintenance cost, handle positioning block can be replaced individually after wearing, without overall scrapping tool holder.

The invention provides a mechanism, a system and a method for clamping a wafer front opening type transportation box, and belongs to the technical field of semiconductor manufacturing automation equipment. The invention provides a clamping system capable of being compatible with two material postures at a constant stroke aiming at a 12-inch wafer front opening type transportation box with trapezoidal geometrical characteristics. The system comprises a clamping mechanism, a transmission steering module and a signal transmission unit. Each pair of clamping jaw arms of the clamping mechanism is provided with a near-end clamping part and a far-end clamping part which are arranged in the extending direction. When the front opening type transportation box is in the first posture, the near-end clamping part completes clamping; and when the front opening type transportation box is rotated by 180 degrees to be in a second posture, the far-end clamping part completes clamping of the wide edge shifted to the far end under the same stroke. According to the invention, the dependence on complex variable stroke control is eliminated, and the operation efficiency and the mechanism reliability of the semiconductor packaging line are obviously improved.

The application relates to the technical field of battery processing, in particular to a soft-pack power battery formation clamp device and a method thereof. The device comprises a processing base, the two ends of the inside of the processing base are respectively provided with a pushing plate and a pressure bearing plate, a plurality of guide light rods are fixedly connected in the inside of the processing base, the pushing plate and the pressure bearing plate are both slidably inserted on the plurality of guide light rods, a plurality of clamping pieces are arranged between the pushing plate and the pressure bearing plate, the clamping piece comprises a heating plate, two liquid storage plates and two sealing diaphragms; through the arrangement of the plurality of liquid storage grooves and the pressure regulation of the oil liquid storage space, the rigidity of the clamping piece and the soft-pack power battery is reduced, the uniformity of the pressure distribution of the soft-pack power battery is improved, the damage of the high-low pressure differentiation to the internal winding core is reduced, when the soft-pack power battery expands, the influence of the local pressure limitation on the formation reaction is reduced, and the subsequent use effect of the soft-pack power battery is ensured.

The utility model discloses a kind of three taper expansion sleeve clamps for positioning inner hole of super-long thin-wall sleeve class workpiece, including taper spindle expansion sleeve unit, clamping screw is further provided with in taper spindle, taper spindle includes clamping section, single taper section and double taper section connected in turn, and through cavity is further provided in taper spindle along its axis direction;Expansion sleeve unit includes single taper expansion sleeve and double taper expansion sleeve;Clamping screw is inserted from one end of taper spindle, and one end of clamping screw inserted in taper spindle is threadedly connected with the other end of taper spindle;Three taper expansion sleeve clamps for positioning inner hole of super-long thin-wall sleeve class workpiece provided by the utility model, by adopting two expansion sleeve combination positioning, one expansion sleeve is double taper expansion sleeve, one is single taper expansion sleeve, corresponding design taper spindle has three outer tapers to cooperate, such structure can solve the problem of expansion sleeve length too long and processing difficulty increase, and almost entire surface of workpiece inner hole can be positioned and expanded tightly simultaneously, increase clamping rigidity, reduce deformation when workpiece is processed.