10results about How to "Solve uneven thickness" patented technology

The utility model relates to a self-adaptive cathode conductive roller, and relates to the field of solar cell electroplating. According to the technical scheme, the device comprises an axis part which comprises an axis; the conductive sleeve part is located on the outer side of the axis part and comprises an axis ring arranged on the periphery of the axis in a sleeving mode and a conductive outer sleeve located on the outer side of the axis ring. Wherein the conductive outer sleeve is elastically connected with the axis ring through an elastic piece. Under the condition, the self-adaptive cathode conductive roller is dynamically and tightly attached to the upper surface of the solar cell silicon wafer through the gravity self-adaptive structure, so that the contact resistance of the self-adaptive cathode conductive roller and the solar cell silicon wafer is remarkably reduced, and the current conduction stability is improved; the problem of uneven coating thickness caused by poor contact in the traditional electroplating process is fundamentally solved, the mechanical stress concentration is effectively avoided, the hidden crack and fragment risk of the solar cell silicon wafer is greatly reduced, and the collaborative improvement of the electroplating efficiency, quality and cost control is realized.

This utility model relates to the technical field of slice thickness adjusters, specifically a bamboo shoot slice thickness adjuster. It includes an operating table, on which a thickness adjustment component, a slicing component, and a pushing component are arranged. A limit bar is fixedly installed on the top of the operating table, and the thickness adjustment component is mounted on the limit bar. The slicing component is fixedly connected to the top of the limit bar via a support rod. The slicing component includes a housing fixedly mounted on the support rod. A moving rod is slidably installed through the upper limit of the housing. A reciprocating moving component is installed inside the housing to control the reciprocating movement of the moving rod. One end of the moving rod is connected to a blade via a connecting clamp. The pushing component is located on the top of the operating table and includes a push plate for pushing bamboo shoots. A position adjustment component is connected to one side of the push plate via an elastic element, and the elastic element can immediately push the push plate towards the bamboo shoot after the bamboo shoot is sliced. This utility model provides a bamboo shoot slice thickness adjuster that allows for immediate adjustment of the bamboo shoot feed position and different blade speeds, enabling rapid control of the blade's cutting speed.

The invention discloses a production method of a copper-aluminum composite material. The production method comprises the following steps that a pretreated copper plate is put into a preheating furnace to be preheated; lifting and transferring the preheated copper plate to a supporting platform in the crystallizer by using a lifting appliance; argon is injected, air is exhausted, and then molten aluminum is poured; when the initial skull reaches a preset thickness, starting an ingot guiding system to perform continuous pouring; when the length of the cast ingot is close to a target value, the molten aluminum flow is gradually reduced, and meanwhile the downward moving speed of the supporting platform is properly reduced; the posture of the copper plate is detected in real time by arranging a double-layer clamping structure of the fixed clamping roller and the floating clamping roller with the detection function; the inclined copper plate can be automatically returned by utilizing the static pressure difference of molten aluminum, so that the problems of core shift and non-uniform thickness of an aluminum layer caused by easy deviation of the copper plate in the traditional process are effectively solved, the dependence on manual operation experience is reduced, the semi-continuous casting process is more stable and reliable, and a high-quality blank is provided for the subsequent rolling process.

The utility model discloses a filter bag coating brushing device, and relates to the technical field of filter bag production. The filter bag coating brushing device comprises a supporting frame, a limiting roller is movably installed in the supporting frame, a brushing device body is arranged above the supporting frame, the conveying assembly comprises air spraying pipes fixedly installed at the front end and the rear end of the supporting frame, a flow dividing pipe is fixedly installed at one end of each air spraying pipe, and a connecting pipe is fixedly installed at one end of each flow dividing pipe; one side of the filter bag is sprayed through the spraying assembly, the sprayed face is limited to be located on the outer side of the heat conduction pipe, then the filter bag is driven by the heat conduction pipe to move and naturally turn over, drying is completed at the same time, the sprayed face is prevented from making contact with other structures before being completely dried, and the spraying efficiency is improved. And then the other side of the filter bag cloth is sprayed, and then the filter bag cloth is dried and overturned through the heat conduction pipe on the front side.

The utility model relates to the technical field of lotus root slice cutting improvement, in particular to a lotus root slice cutting improvement device which comprises a top plate, a supporting rod is fixedly connected to the lower surface of the top plate, an iron box is fixedly connected to the surface of the supporting rod, a hollow round rod is fixedly connected to the upper surface of the top plate, and a connecting block is connected to the surface of the hollow round rod in a sleeved mode. A handle rod is fixedly connected to the surface of the connecting block, a first spring is arranged in the hollow round rod, a fixing rod is welded to the surface of the top plate, and a fixing piece is fixedly connected to the surface of the fixing rod. The surfaces, fixedly connected with the screw rod and the fixing rod, of the fixing piece are in abutting contact with the kitchen knife, the position of the kitchen knife is fixed, the distance between the iron piece and the kitchen knife can be changed when the first nut rotates, and therefore the problem that lotus root slices are uneven in thickness is solved, and the use range and performance of the lotus root slicing device are improved.

The invention relates to a laminating machine and a workpiece. The laminating machine comprises a plurality of laminated plates, wherein at least one communicating channel is arranged in each laminated plate; the oil return module comprises a plurality of backflow conveying pipelines, the backflow conveying pipelines correspond to the laminated boards one to one, and the backflow conveying pipelines are connected with the communicating channels of the corresponding laminated boards; under the condition that the laminating machine is in an oil return state, hydraulic oil in the communicating channel of each laminated plate flows out through the correspondingly connected backflow conveying pipeline; and the controller is used for adjusting the oil return flow of the hydraulic oil in the backflow conveying pipeline corresponding to the target laminated board according to the first temperature and the second temperature for each target laminated board under the condition that the laminating machine is in an oil return state, the laminated board temperature difference between the target laminated board and the adjacent laminated board is smaller than a preset temperature difference threshold value. The laminating machine can accurately control the temperature in the machining process of a workpiece.

This utility model relates to the field of fixture technology and proposes a fixture for PVD coating of automotive parts. It includes a base, a rotating cylinder rotatably connected to the top of the base, a heating box fixedly connected to the top of the rotating cylinder, a placement platform for placing parts fixedly connected to the bottom wall of the inner side of the heating box, and several movable seats arranged in a circumferential array slidably connected to the outer edge of the inner side of the heating box. Each movable seat has an elastic element fixedly connected to its top, and a clamping plate fixedly connected to one end of each elastic element. An adjustment mechanism for driving the movable seats to slide towards or away from each other is provided inside the rotating cylinder, and a drive mechanism for driving the rotating cylinder to rotate is provided at the bottom of the base. This utility model can achieve rapid fixing of parts to reduce positioning time and improve the work efficiency of the parts coating process.

This utility model relates to a multi-axis rotary reciprocating electroplating rack and an electroplating device. The multi-axis rotary reciprocating electroplating rack includes a rack body, a revolution device, a rotation device, a drive device, a reciprocating device, and a conductive device. The rack body includes a main frame and a swing frame rotatably mounted on the main frame about a first axis. The two ends of the swing frame can swing up and down relative to the main frame. The revolution device includes a revolution bracket and a first transmission mechanism. The two ends of the swing frame are respectively provided with revolution brackets rotatable about a second axis, which is parallel to the first axis. The first transmission mechanism is rotatably mounted on the revolution bracket. The rotation device includes a second transmission mechanism and hooks. Multiple second transmission mechanisms are arranged around the first transmission mechanism on the revolution bracket and are respectively connected to the first transmission mechanism. The hooks are located at the bottom of the second transmission mechanisms. The drive device is connected to the first transmission mechanism. The reciprocating device is connected to the swing frame. The conductive device is electrically connected to each hook.

The invention relates to the field of mold casting, and discloses a sand paving machine for automobile mold casting, which comprises a bottom plate, side plates symmetrically mounted on the bottom plate, a material box slidably connected between the two side plates, a discharging pipe communicated with the bottom of the material box, a driving assembly, a rack plate mounted on the side plates and driving the material box to move, and a sand paving plate mounted on the rack plate, the two side plates are symmetrically installed on the material box, the fixing assembly is installed on the bottom plate and located between the two side plates, and the sand box is placed on the fixing assembly. The device has the following advantages and effects that the rotating assembly further drives the lifting assembly to rotate when rotating, the lifting assembly rotates to periodically drive the clamping plate to move upwards, so that the sand box is driven to vibrate up and down at high frequency, jolt ramming operation is synchronously achieved in the sand uniform scattering process, internal pores of a sand layer are continuously extruded and filled, and the sand scattering efficiency is improved. And finally, a sand mold foundation with uniform compactness and a stable structure is formed, so that the sand mold forming precision is improved, and the casting process requirements of high-precision automobile parts are met.

The present application belongs to the field of batteries. The present application provides a kind of pole piece for improving surface flatness, its preparation method and battery, the preparation method includes that the coating layer of pole piece has formed is carried out re-coating, the mode of re-coating is gravure coating, control the particle size of substance in slurry used in re-coating is less than the particle size of substance in the coating layer that has formed, then carries out isostatic pressing treatment, forms re-coating layer.The specific re-coating layer formed by isostatic pressing treatment of the present application can prevent the generation of internal and surface defects of pole piece caused by roll pressing, improve the surface roughness and thickness uniformity of pole piece, effectively improve the surface flatness of pole piece and reduce interface impedance, optimize the solid-solid contact state and effect of electrode active material and solid electrolyte in pole piece, and further improve the cycle stability of battery.