10results about How to "Avoid Dimensions" patented technology

The invention relates to the technical field of batteries, in particular to a battery cell cover plate and a battery cell. According to the battery core cover plate, a riveting part is formed at one end of a pole; a connecting hole in the riveting piece is a stepped hole with a first stepped section and a second stepped section, and the pole is riveted with the riveting piece, so that part of the riveting part expands towards the direction close to the second stepped section; before riveting, the size of the riveting part in the thickness direction of the cover plate body is m, the total size of the first step section and the second step section in the thickness direction of the cover plate body is n, and (m-n) / n = 0.15-0.3. According to the invention, enough material expansion is ensured after the pole is riveted with the riveting piece, so that the push-pull force which can be borne by the pole meets the use requirement of the battery cell cover plate, the safety performance of the battery cell is ensured, the problem that the size of the battery cell cover plate is out of tolerance due to excessive material expansion after the pole is riveted can be avoided, and the product quality is improved. And the size precision and the shape precision of the battery cell cover plate are ensured to meet the design requirements, so that the production yield of the battery cell cover plate is improved.

The utility model relates to the technical field of lamp body installation, and discloses an installation structure based on a protective plate and lamp body integrated injection molding part, which comprises a lower metal plate, the top of the lower metal plate is fixedly connected with a lamp body, the rear side of the lamp body is fixedly connected with a whole lamp, the rear side of the whole lamp is fixedly connected with a long metal plate, and the long metal plate is fixedly connected with an upper metal plate. An upper metal plate is fixedly connected to the rear side of the long metal plate, the lamp body is connected to the outer wall of the whole lamp and the outer wall of the lamp body in a clamped mode, a frame is installed on the left side of the lamp body, and a protection plate is installed on the left side of the frame. The lower metal plate is connected with the lamp body, the whole lamp and the long metal plate are fixedly connected through the upper metal plate in a matched mode, then the bottom of the lower metal plate is connected with the connecting plate, and the lower metal plate is clamped into the lamp body and the long metal plate in a matched mode to be connected, so that accurate matching is achieved, and the problem of poor assembly is solved; and meanwhile, the problem of size disqualification is avoided, so that daily use of operators is facilitated.

The invention belongs to the technical field of display processing, and particularly relates to auxiliary waste cleaning equipment for liquid crystal display module processing and production, which comprises suspension equipment, a control base is arranged below the suspension equipment, a liquid crystal board is arranged right above the control base, and cleaning parts are symmetrically arranged on two sides of the top of the control base. According to the device, the side edge position of the cut liquid crystal board can be ground through the modified grinding wheel in the side clamping plate, different from a common direct grinding machining mode, the modified grinding wheel of the device is modified, the cross section of the cut board body can be ground, and the grinding efficiency is improved. The side edges of the two adjacent sides of the cross section can be ground, on one hand, protruding excess materials on the side edges of the plate body can be completely eliminated, on the other hand, the sharp edge of the plate body can be properly ground to be flat, and therefore the problem that the hands of an operator are cut by the edge position of the plate body when the plate body is assembled is avoided.

The utility model relates to the technical field of metal stamping, and provides a forming stamping device for ferrous metal casting, which comprises a pressure-bearing bottom shell, stamping devices are fixedly connected to the two sides of the pressure-bearing bottom shell, a pressure-bearing plate is fixedly connected to the top of the pressure-bearing bottom shell, a rotating rod is rotatably connected to the top of the pressure-bearing bottom shell, and the rotating rod is fixedly connected to the top of the pressure-bearing bottom shell. A synchronous assembly is arranged at the top of the rotating rod and comprises a gear, and the bottom of the gear is fixedly connected to the top of the rotating rod. The device is provided with a center clamping and fixing structure, metal blanks and plates are ensured to be located at geometric center positions in the die, the situation that the shapes of stamping parts are asymmetric and the sizes are out of tolerance due to deviation is avoided, a uniform positioning reference is provided for subsequent stamping procedures, accumulative errors are reduced, and the device is suitable for a multi-station continuous stamping scene; the automatic pushing and feeding device adapts to an automatic pushing and feeding structure, the labor cost is reduced, and the forming quality, production efficiency and equipment safety of ferrous metal parts are ensured.

The utility model discloses a kind of aligning tool for supercharger nozzle ring machining, the utility model relates to the technical field of machining. Including nozzle ring, the outer wall of the nozzle ring is fixedly connected with vane, further include: aligning component, the side of aligning component close to vane is slidably connected with adjusting assembly, the adjusting assembly includes protective cover, the inside rotationally connected with gear of protective cover, the upper and lower of gear are all meshingly connected with rack bar;By rotating handle, aligning block can be driven to move flexibly, without replacing whole tooling, only simple adjustment can adapt to the processing needs of different outer diameter, different vane distribution density, reduce tooling change time and inventory cost, on the convenience of operation, aligning process step is clear, operator can complete adjustment by pulling locking rod, rotating handle, quickly confirm in combination with pointer and scale, after processing, reverse operation can reset tooling, replace repeatedly trial processing workpiece, shorten single-piece aligning time-consuming.

This invention discloses a dual-station steering gear housing machining fixture in the same direction and its usage method. It includes a base with a first machining position on the base. The first machining position has a first mounting surface (higher on the outside, lower on the inside) and a second mounting surface. The first mounting surface is located on the left side of the first machining position, and the second mounting surface is located on the right side. A left-section positioning mechanism is disposed on the first mounting surface for positioning the left half of the steering gear housing. A middle-section support and clamping mechanism is disposed on the left half of the second mounting surface for supporting, clamping, and positioning the middle section of the steering gear housing. A right-section positioning mechanism is disposed on the right half of the second mounting surface for positioning the right half of the steering gear housing. This invention effectively avoids dimensional deviation problems, improves the stability and accuracy of clamping, effectively reduces production costs, significantly reduces the probability of human error, and significantly reduces equipment modification costs.

The invention relates to a multi-slurry, multi-energy-field and multi-configuration composite forming additive manufacturing method and system, and relates to the field of photocuring ceramic 3D printing. According to the technical scheme, the requirements for light weight, high strength and functional gradient of components can be balanced, variable-thickness slicing gives consideration to forming precision and efficiency, and a technological parameter initial solution set is pre-generated to reduce the subsequent debugging trial and error cost; preparing various types of functional differentiation photosensitive slurry to adapt to a multi-material gradient design; constructing a multi-energy field coupling model to predict curing behaviors, implementing multi-energy field cooperation according to component areas, and improving structural density, functional characteristics and interface bonding quality; an integrated high-precision monitoring module is used for acquiring interlayer data, so that defect identification and positioning and dynamic adjustment of process parameters are realized, and cooperative control of microcosmic particle orientation and macroscopic size is achieved; a degreasing curve is optimized to reduce the residual carbon content of the component, the sintering deformation compensation amount is pre-generated to avoid size out-of-tolerance, and the research and development period is shortened by means of a parameter, structure and performance correlation model.

The utility model discloses a caliper measuring tool for rapidly measuring a high-precision single-specification cylinder, and the caliper measuring tool comprises a caliper main body, a first vertical column, a second vertical column, a third vertical column, and a fourth vertical column. The third stand column and the fourth stand column are vertically fixed to the lower edge of the caliper body at a second interval, the second stand column is marked with a first interval which is the lower limit of the cylinder size measured by the caliper measuring tool, and the fourth stand column is marked with a second interval which is the upper limit of the cylinder size measured by the caliper measuring tool. Errors caused when a traditional vernier caliper is used for measurement for a long time are avoided, reading time of personnel in each measurement is shortened, dimensions within a continuous length range can be rapidly measured, time waste caused when the traditional vernier caliper needs to measure the dimensions every several millimeters is avoided, the dimensions of the same section in the circumferential direction can be rapidly measured, and the measurement accuracy is improved. And size out-of-tolerance of a certain two point in the unified diameter direction is avoided

The utility model discloses a packaging paperboard cutting table which comprises a first support, a second support and a connecting plate, the second support is arranged on the right side of the first support, and the distance between every two of the first support and the second support is one centimeter. By means of the design of the adjusting function, the width, needing to be cut, of a paperboard can be accurately adjusted to be within the range required by workers, so that the situation that the size of the paperboard after being cut does not reach the standard is avoided, and it can be known that by means of the paperboard cutting device, the paperboard cutting accuracy is improved, and waste of the paperboard is avoided. Through the design of a clamping function, a paperboard can be subjected to position fixing treatment in the cutting process, displacement of the paperboard during machining is avoided, the stability of the paperboard during machining is improved, in addition, through the design of a suction function, sweeps generated during paperboard cutting can be independently collected and treated, and the production efficiency is improved. And the convenience of follow-up waste chip treatment of workers is improved.

The application discloses a kind of thin-walled cylindrical part winding core mould and use method, and the steel lining of part is made of fine part with thin inner diameter and thick part with thick inner diameter, and winding core mould includes mandrel and tightener assembly sleeved outside mandrel, the mandrel includes intermediate cylinder for matching with fine part of steel lining and short cylinder corresponding with thick part of steel lining, the intermediate cylinder and short cylinder are fixedly connected, and the tightener assembly is arranged on short cylinder.Intermediate cylinder supports fine part of steel lining, prevents fine part of steel lining from deforming during winding process to cause size out-of-tolerance.Tightener assembly is tightened in thick part of steel lining, effectively supports thick part of steel lining, so that steel lining is installed on core mould, which can eliminate deformation caused by variable diameter, and effectively support between steel lining and core mould, after winding, the coaxiality and roundness of part can be guaranteed to be qualified, and the inner hole size of steel lining will not change.