13results about How to "Consistent flatness" patented technology

The invention provides a grinding process for a combined sealing ring, and relates to the technical field of machining processes. The inner ring is sequentially subjected to rough turning, rough grinding, external grinding, finish turning, first-time milling and second-time milling, the inner ring is segmented through the first-time milling, a groove is machined in the inner ring through the second-time milling, the outer ring is sequentially subjected to rough turning, rough grinding, external grinding and grinding, and finally the inner ring and the outer ring are combined and ground together after being combined. The inner ring and the outer ring are subjected to primary grinding and then sectioned, then the inner ring and the outer ring are combined to a plurality of tools to be integrally fixed, and then the combined sealing ring is integrally ground, so that the flatness, the parallelism and the thickness are consistent, the sealing performance of the whole graphite ring is improved, the static leakage rate dwell time reaches 100 s or above, and the sealing performance is improved. And guarantee is provided for use safety of the engine.

The utility model discloses a pressing structure of a flat plate type laminating machine, which comprises an upper box, a lower pressing frame, a pressing plate, a vibration reduction lifting mechanism and a sealing plate, the upper box is fixedly connected with the lower pressing frame through a quick clamp, and the pressing plate is mounted at the bottom of the upper box through the vibration reduction lifting mechanism; the outer side of the sealing plate is pressed between the upper pressing frame and the lower pressing frame of the upper box, and the inner side of the sealing plate extends and is fixed in the pressing plate, so that an upper cavity is formed among the upper box, the sealing plate and the pressing plate, and a lower cavity is formed among the pressing plate, the sealing plate, the lower pressing frame and the lower-layer heating plate. The pressing plate and the sealing plate are matched to replace the rubber plate, on one hand, the pressing plate is flat and high in rigidity, the whole plate can be completely attached to the plane of the assembly, all positions of the assembly are evenly stressed in the laminating process, the consistent planeness is kept, in addition, replacement of the rubber plate is avoided, and cost is reduced.

The utility model relates to display equipment technical field especially LED packaging structure and display device, LED packaging structure includes wiring layer, with the LED chip of wiring layer electricity connection, the filling layer that sets up around LED chip, set up in the sapphire layer that LED chip far away from wiring layer one side and LED chip are pasted, LED packaging structure still includes the fluorescent layer that sets up around filling layer and sapphire layer, fluorescent layer sets up around filling layer and sapphire layer, realizes spectrum conversion, when the blue light that LED chip emits irradiates on fluorescent layer, fluorescent layer absorbs part blue light and emits other color light, and the white light that mixes with blue light is obtained to realize MIP white light product, make the light that emits from LED packaging structure more uniform, improve illumination quality and visual comfort.

The invention discloses heavy metal pollution treatment equipment for a mining area, and belongs to the technical field of treatment equipment, the heavy metal pollution treatment equipment comprises a pesticide spraying vehicle body, and the top of the pesticide spraying vehicle body is fixedly connected with a fixed box; the pesticide spraying mechanism comprises a pushing component, a conveying component, a pesticide spraying component, a power component and four groups of mixing components, the pushing component is arranged on the fixed box, the conveying component is arranged on the pesticide spraying vehicle body, the pesticide spraying component is arranged on the conveying component, pesticide liquid is sprayed to soil, and a fixed motor drives a fixed gear to rotate; a transmission gear drives a rotating rod and a stirring plate to rotate through transmission of a toothed belt, soil and liquid medicine can be evenly mixed, the utilization rate of the liquid medicine is increased, the heavy metal pollution treatment efficiency is remarkably improved, a mounting motor drives a mounting gear to rotate, a mounting rack moves back and forth to drive a connecting plate and a leveling rod to move, and soil is leveled; and the uniformity of the flatness of the soil surface is ensured, and a good foundation is provided for subsequent work.

The utility model relates to a full-lamination module. The full-lamination module comprises a touch screen, a bonding assembly, liquid lamination glue and a liquid crystal display panel, the bonding assembly comprises foam, a viscous part and a non-viscous part, the viscous part is arranged on one side face of the foam, the non-viscous part is arranged on the other side face of the foam, the viscous part adheres to the touch screen, and a coating area is formed by the foam and the middle area of the touch screen; the liquid laminating glue is arranged in the coating area; and the liquid crystal display panel is arranged on the liquid laminating glue. According to the scheme, the fitting flatness of the touch screen and the liquid crystal display panel can be improved, and bubbles are prevented from being generated between the touch screen and the liquid crystal display panel.

An adaptive squid flower cutting device, wherein a belt adaptive adjustment mechanism is arranged in a belt running gap formed by a transmission belt, tension springs are distributed at intervals on the upper end of an adaptive base, an adaptive shaft passes through the side of a plurality of mutually parallel adaptive keys, the adaptive key passes through the gap of a plurality of mutually parallel tensioning wheels, the tensioning shaft passes through the adaptive key, the tensioning shaft also passes through the tensioning wheel, the end of the adaptive key is located below the clamping shaft, and the clamping shaft applies pressure to the end of the adaptive key to tension the tension spring; the inner edges of a plurality of annular outer knife rings are placed in the annular grooves of a first grooved shaft and a second grooved shaft, and the annular inner knife, the first grooved shaft and the second grooved shaft are distributed in a triangular shape inside the annular outer knife ring; the transmission belt passes through the gap between the belt adaptive adjustment mechanism and the flower cutting knife assembly, and the material on the transmission belt is pressed against the belt adaptive adjustment mechanism by the flower cutting knife assembly. The invention performs flatness adaptation on the flower cutting surface of the squid to ensure the consistency of the depth of the squid flower cutting.

The utility model relates to the field of polishing equipment, and discloses polishing equipment for plywood production, which comprises a base, first supporting legs are fixedly connected to the front end and the rear end of one side of the upper surface of the base, and first sliding grooves are formed in the front end and the rear end of one side, far away from the first supporting legs, of the upper surface of the base; and one side of the inner wall of the first sliding groove is clamped and matched with a second supporting leg, and the upper end of the inner wall of the first supporting leg is fixedly connected with a limiting frame. According to the plywood grinding and polishing equipment, when one face of the plywood is ground and polished, the other face of the plywood can be synchronously ground and polished, grinding and polishing of the two faces of the plywood can be completed through one-time machining, repeated operation and machining time are reduced, and production efficiency is greatly improved; and the symmetry of the plywood can be better guaranteed by machining the two faces at the same time, so that the smoothness and flatness of the two faces are more consistent, and the product quality is improved.

The utility model discloses a mechanical sealing structure suitable for mixed-phase media, which relates to the field of mechanical sealing structures and comprises a static component, a movable component and a shaft sleeve, the shaft sleeve is sleeved on the axis of sealed equipment and can rotate along with the axis, the static component is connected with a static part of the sealed equipment, and the movable component is connected with the shaft sleeve. The movable assembly can rotate along with the shaft sleeve, and a fluid film can be formed between the movable assembly and the static assembly; wherein the surface of the static assembly is coated with a static ring coating layer, the surface of the movable assembly is coated with a movable ring coating layer, the fluid film is formed between the static ring coating layer and the movable ring coating layer, and the static ring coating layer and the movable ring coating layer are both made of diamond materials. The static ring coating layer and the movable ring coating layer which are made of diamond are respectively arranged on the friction end surfaces of the static component and the movable component, and the planeness is limited, so that the purposes of being suitable for the mechanical seal of the mixed-phase medium and prolonging the service life of the mechanical seal of the mixed-phase medium are achieved.

The utility model relates to the technical field of battery diaphragm production, and discloses an unwinding device for manufacturing a battery diaphragm, which comprises an unwinding frame, the transverse plate is fixedly connected to the left side of the exterior of the unwinding frame; the electric push rod is fixedly connected to the front side of the outer part of the transverse plate; the guide block is fixedly connected to the output end of the electric push rod; two fixing rods and two sliding blocks, the two fixing rods are fixedly connected to the two sides of the interior of the transverse plate, and the two sliding blocks are slidably connected to the exteriors of the two fixing rods; and the tops of the two connecting plates are rotationally connected to the two sides of the exterior of the guide block, and the bottoms of the two connecting plates are rotationally connected to the exteriors of the two sliding blocks. According to the utility model, during unwinding, the exterior of the diaphragm coiled material can be conveniently cleaned, and impurities such as dust, oil stains and electrostatic particles are prevented from directly entering subsequent processing, so that the quality of subsequent processing is improved.

The invention discloses a concrete leveling device for concrete pouring, and relates to the technical field of building construction, the concrete leveling device comprises a bottom frame, a leveling mechanism is arranged at the front end of the advancing direction of the bottom frame, and a collecting mechanism is detachably arranged on the bottom frame on the rear side of the advancing direction of the leveling mechanism; the protective cover is fixedly arranged at the upper end, away from the leveling mechanism, of the bottom frame, and a handrail is fixedly arranged at the upper end of the protective cover; the auxiliary leveling mechanism is installed on the side, close to the leveling mechanism, of the protective cover, the leveling mechanism and the auxiliary leveling mechanism can be used for leveling concrete at wall corners and wall edges, and therefore it is guaranteed that the flatness of the concrete surface of the whole pouring area is consistent; and inconsistency and errors caused by manual filling-in are avoided, so that manual intervention can be greatly reduced, the labor intensity is reduced, and the construction efficiency is improved.

The utility model relates to integrated house component leveling technical field, specifically disclose a kind of component leveling device, including workbench, workbench one side is fixed with PLC control box, still including the I-beam slide rail of workbench upper surface fixed connection, I-beam slide rail is equipped with mould sliding mechanism, the upper surface of mould sliding mechanism is equipped with mould, one side of mould sliding mechanism is equipped with press roller leveling support, press roller leveling support inside is equipped with press roller leveling mechanism, press roller leveling support one side is equipped with pressing leveling support, and pressing leveling support inboard is equipped with pressing leveling mechanism. The utility model is through the setting of mould sliding mechanism, press roller leveling mechanism, pressing leveling mechanism, by controlling mould sliding mechanism, can make mould left and right movement, by controlling press roller leveling mechanism, pressing leveling mechanism, component is leveled, and the consistency of component flatness is guaranteed.

The present application relates to band sawing machine technical field, disclose a kind of band sawing machine for pressure vessel manufacturing, including horizontal sawing machine, the horizontal sawing machine top side is fixedly installed with guide plate, and linear cylinder is fixedly installed at the top of guide plate, further include: fixed guide seat, installation in the top of linear cylinder, one end of the fixed guide seat is installed with rotating assembly, and the other end is installed with skiving assembly;The present application, by integrating pressure vessel pipe lining skiving structure in horizontal sawing machine processing station, after pressure vessel pipe end sawing, the skiving finishing of lining concave-convex defect can be directly completed in original station, without being transported to additional equipment for secondary clamping processing, secondary clamping positioning accuracy is high, skiving operation is implemented by cylinder clamping jaw to pipe end secondary clamping positioning before, can avoid pipe movement in skiving process, guarantee the accuracy of skiving position and cutting depth, improve the position accuracy of end inner wall finishing.

The invention discloses a cast-in-place hidden type well lid and a paving construction method thereof.The cast-in-place hidden type well lid is arranged at the top of a well body, the well body comprises a well hole and a well wall surrounding the outer side of the well hole, and the cast-in-place hidden type well lid comprises a bottom plate arranged in a road base and provided with a first through hole for containing the top of the well body; the lower-layer well lid body is arranged at the top of the well body; the upper-layer well lid body is connected to the lower-layer well lid body in a meshed mode and located on the side, back to the well body, of the lower-layer well lid body, and a plurality of exhaust holes are formed in the surface of the upper-layer well lid body; the well lid surface layer is arranged at the top of the upper-layer well lid body and is separated from the road surface layer, and the top elevation of the well lid surface layer is the same as that of the road surface layer; the filling sleeve is arranged between the well lid surface layer and the road and in the gap between the upper-layer well lid body and the road, the well lid surface layer and the road surface layer are integrally paved, the flatness of the well lid surface layer and the road surface layer is guaranteed, and high popularization value is achieved.