47results about How to "Avoid flanging" patented technology

The invention provides an inner pot and an electric pressure cooker. The inner pot comprises a body (1) and a lifting handle (2) arranged on the periphery of the body (1). An installation groove (3) is formed between the lifting handle (2) and the periphery of the body (1). The inner pot helps solve the problem in the prior art that that poor strength of the structure of an outer pot is caused due to a gap in the outer pot for the lifting handle.

The invention discloses a white EVA adhesive film for photovoltaic module encapsulation. The adhesive film comprises the following components in parts by weight: 10-45 parts of EVA resin, 10-60 parts of a high-melting-point polymer, 2-25 parts of inorganic filler, 0.2-5 parts of an anti-ultraviolet agent and 0.2-5 parts of an antioxidant. According to the white EVA adhesive film for photovoltaic module encapsulation provided by the invention, a two-phase continuous structure is formed by adding the high-melting-point polymer component in EVA, thus reducing flowability during EVA lamination and then solving the problem of flanging during white EVA lamination.

The invention discloses a device and a method for disassembling square lithium ion batteries of multiple specifications. The device comprises a control system and an assembly line type disassembling system. The assembly line type disassembling system comprises an intermittent feeding device (1), a first automatic edge cutting device (2), a station conversion device (3), a second automatic edge cutting device (4) and a separating and core taking device (5). The control system controls all parts of the disassembling system to conduct the assembly line type operation. The intermittent feeding device conveys waste lithium ion batteries to the first automatic edge cutting device to complete the edge cutting operation on the two symmetrical sides of the batteries. The station switching device rotates the cut batteries by 90 degrees and conveys the cut batteries to the second automatic edge cutting device to complete the edge cutting operation on the other two sides of the batteries. The separating and core taking device separates and collects upper and lower meter shells and battery cells. The lithium ion battery disassembling device is high in automation degree and high in adaptability.The discharging and safety problems in the lithium ion battery disassembling process are effectively guaranteed in a knife-cutting disassembling mode. The separation of a battery cell and a battery shell is achieved to the maximum extent.

The invention relates to a winding, cutting and beginning device for a coating machine, which comprises a rotating mechanism and a cutting mechanism, wherein the rotating mechanism is arranged on the coating machine to be in a state rotationally corresponding to a receiving roller; and the cutting mechanism is arranged on the rotating mechanism to be in a state that while feeding to a feed roller, the coating machine for cutting is jointed with and feeds to another receiving roller. The winding, cutting and beginning device has the benefits that the structure is simple, the operation is convenient, stable cutting and winding can be performed, and the beginning of new winding is ensured to be level.

The invention provides a composite material which comprises a supporting layer and a surface layer, wherein the surface layer is arranged on the supporting layer; the supporting layer is prepared through soaking a first material in a resin combination and then curing the obtained product, the first material has fiber properties, the surface layer is composed of a second material, and the second material has metal properties; the linear thermal expansion coefficient of the resin combination is close to the linear thermal expansion coefficient of the second material; and the first material is a high-strength and high-hardness material. Compared with the prior art, the composite material provided by the invention is high in strength and hardness, and the surface of the composite material has a richer appearance effect. The invention also provides a preparation method of the composite material and an electronic device with the composite material.

The invention relates to the field of plastic woven bag manufacture, in particular to an automatic plastic woven bag bagging grooving machine. A servo motor drives a cloth feeding pinch roll to automatically feed cloth; the servo motor drives a hot knife to cut off cylinder cloth, and at the same time, two openings are automatically twisted; a suction port sliding table moves a bag in a servo drive manner to enter an automatic inner film bag bagging working procedure, and at the same time, an inner film bag is automatically rolled up; a frequency converter controls a deceleration motor to drive a cloth pulling pinch roll to pull the rolled inner film bag; an upper heating plate and a lower heating plate seal the bottom of the inner film bag; the servo motor drives the cloth feeding pinch roll to automatically feed cloth; the cut-off cylinder woven bag is blown in through an upper air-blowing port and a lower air-blowing port and is dragged in a bottom seaming conveying pressing belt from a suction port of the sliding table to enter the edge folding and bottom seaming working procedures; the woven bag is conveyed to automatic turning and folding working procedures through the conveying pressing belt; then, the woven bag enters the automatic counting and moving working procedures; and finally, the counted finished bags are manually collected. The automatic plastic woven bag bagging grooving machine is convenient to operate, time-saving and labor-saving, and high in precision and rate of finished products.

The invention discloses a centering and guiding device for steel strip processing and belongs to the field of steel rolling equipment. The centering and guiding device comprises a base, an adjusting mechanism, a guiding mechanism and a centering mechanism, wherein the guiding mechanism comprises an upper horizontal roller and a lower horizontal roller, and two ends of the upper horizontal roller and two ends of the lower horizontal roller are fixed on supports on two sides of the base separately; the adjusting mechanism comprises a control hand wheel, an adjusting screw rod, nuts, flat keys and nut sleeves, two sections of threads are formed on the adjusting screw rod, each section of threads is matched with the corresponding nut, and the nut sleeves are arranged on the outer side surfaces of the nuts and fixedly connected with the flat keys on the nuts; the centering mechanism comprises sliding blocks and vertical rollers, the sliding blocks are fixedly connected above the nut sleeves, the vertical rollers are symmetrically arranged at two ends of each sliding block, and the vertical rollers are distributed on two sides of one end of the upper horizontal roller. According to the centering and guiding device for the steel strip processing, the position can be adjusted automatically according to the width of a steel strip, the vertical rollers are clamped on two sides of the steel strip all along, so that leftward and rightward offset of the steel strip is avoided, and the problems that the steel strip gets stuck, is flanged and is warped are also solved.

The invention discloses an unequal groove angle curve belt conveyer. The belt conveyer comprises two middle rollers, an inner roller and an outer roller, wherein the outer shaft ends of the inner roller and the outer roller are arranged on an inner roller bracket and an outer roller bracket respectively; the inner shaft ends of the middle rollers, the inner roller and the outer roller are arranged on a middle bracket; the outer roller groove angle between the outer roller and a rack is smaller than the inner roller groove angle between the inner roller and the rack; the outer roller groove angle is 40-50 degrees; the inner roller groove angle is 60-90 degrees. The unequal groove angle curve belt conveyer can turn in the space of a small curvature radius, has a simple structure, is convenient to use and is stable in delivery.

The invention discloses a method for eliminating single-side wave defects of oriented silicon steel. The method comprises the following steps that 1) a special cover plate is manufactured, wherein the special cover plate comprises an annular plate, and a plurality of cut-off positions are arranged on the outer edge of the annular plate; 2) an oriented silicon steel coil to be charged is hoisted to a high-temperature annealing furnace platform; 3) the special cover plate is laid on the outer ring of the upper end face of the oriented silicon steel coil; 4) all the cut-off positions on the special cover plate are bent downwards, and the outer edge of the oriented silicon steel coil is hooked; 5) an inner cover is buckled, and the bottom edge of the inner cover is subjected to sand sealing; and 6) the steel coil enters the furnace, and the high-temperature annealing process is completed. According to the method, the edge of the steel coil can be effectively protected, and the upper end face of the steel coil is prevented from flanging; and according to the method, water in the steel coil can be discharged, and surface oxidation of the steel strip is avoided.

The invention relates to an elastic seal ring, the top and the bottom of the inner ring surface of which are respectively distributed with an aperture extending along circumferential direction; an air conducting groove for communication is arranged between the top aperture and the bottom aperture; the section of the inner ring surface of the seal ring is E-shaped; a semi-O-shaped convex integrated with the ring body is arranged between the top and the bottom working surfaces of the ring body and the corresponding top and bottom apertures. The seal ring adopted by the invention has double functions of gauging sealing and active sealing, which can compensate to cause a second sealing when the situation that gauging sealing is failed for abnormal sealing conditions which do not meet the design appear, so as to ensure that the sealing structure has larger 'redundancy' and enhanced reliability; therefore, the seal ring can be installed and used in a novel self-sealing flange and existing flanges and can also be used as the seal ring of pressure air pipe sealing and connecting except a flange joint and is characterized by reasonable structure, convenient use, low cost and reliable sealing.

The invention relates to a pressing device for automatically pressing a cover plate. The pressing device is arranged beside a motor conveying device and comprises a positioning mechanism fixedly arranged on a working table and close to the motor conveying device, a movable material taking mechanism and a movable pressing mechanism, wherein the material taking mechanism can move to the upper part of the positioning mechanism and is used for placing a sucked cover plate to be pressed onto the positioning mechanism; the cover plate to be pressed is centered through the positioning mechanism; thepressing mechanism can move to the upper part of the positioning mechanism and sucks the centered cover plate to be pressed; and then the pressing mechanism further moves to the upper part of the motor conveying device so as to press the cover plate to be pressed into a seal groove of a motor gear box corresponding to the motor conveying device. According to the pressing device provided by the invention, the cover plate can be full-automatically pressed, so that the manpower is saved, and the production efficiency is improved.

The invention relates to a guiding pressing-assembling and detecting device for a special-shaped seal ring, so that the special-shaped seal ring is arranged on a clutch steel ring. An operation tablecontaining a clutch, a cone sleeve, a telescopic pressing head and a first hydraulic assembly are included. The cone sleeve is arranged on the clutch steel ring so that the special-shaped seal ring can be downwards pressed along the surface of the cone sleeve so as to sleeve the clutch steel ring. The telescopic pressing head is used for downwards pressing the special-shaped seal ring along the surface of the cone sleeve. The first hydraulic assembly drives the telescopic pressing head to move up and down and comprises a first hydraulic cylinder and a first hydraulic rod. The guiding pressing-assembling and detecting device has the effects that seal ring inner ring face edge overturning is prevented in the clutch special-shaped seal ring assembling process, and the assembling efficiency isimproved.

A chemical nickel-plating electroplating protection tool for an oil admission filler neck comprises a plug cap and a plug, wherein a center shaft used for being connected with the oil admission fillerneck is arranged on the end face of the plug in the horizontal axis direction, an outer thread is arranged at the other end of the center shaft, a round hole is formed in the end face, opposite to the plug, of the plug cap, and an inner thread matched with the outer thread is arranged in the round hole; and after the plug and the plug cap are connected with the oil admission filler neck, the endface of the oil admission filler neck is located in the end face of the plug or the plug cap. The nickel-plating electroplating protection tool is convenient and flexible to use and adjust, easy to operate, capable of improving the workpiece protection and electroplating efficiency and worthy of popularization.

The invention discloses a paper pressing mechanism of a printing machine. The paper pressing mechanism comprises a rack, a conveying roller, a first pressing roller, a positioning roller, a second pressing roller and a first driving device. The conveying roller is used for conveying paper, the first pressing roller is located behind the conveying roller, the conveying roller and the first pressingroller are matched, the paper is transported from the position between the conveying roller and the first pressing roller, the first pressing roller is provided with a temperature adjusting device, the rack is provided with a position adjusting device, the second pressing roller is mounted on the position adjusting device in a pivot manner, the position adjusting device can drive the second pressing roller to move between the position close to the positioning roller and the position away from the positioning roller, the first driving device is used for driving the conveying roller, the firstpressing roller, the positioning roller and the second pressing roller to rotate, through cooperation of the conveying roller and the first pressing roller, the paper temperature is adjusted, throughcooperation of the positioning roller and the second pressing roller, the paper surface is adjusted, and the paper is flat.

The invention discloses a method of riveting heavy and medium metal sheets without projections on double faces and belongs to the technical field of material connection. The heavy and medium metal sheets are riveted quickly and efficiently by adopting a method of prefabricating holes with annular grooves in the two to-be-connected heavy and medium metal sheets and placing simply shaped connectingcolumns into the holes, and applying external forces to two sides of the connecting columns through upper and lower punches, wherein the connecting columns deform plastically to fill the annular grooves. According to a volume invariable law, the connecting columns which deform plastically can be filled into the annular grooves of upper and lower panel veneers without obvious protruding height points, so that the grinding step is reduced and the production efficiency is improved. The used parts of the device are simple in structure, convenient to process and good in compatibility with conventional equipment, the pre-treatment process of the to-be-welded panels is simple, the production efficiency is high and the cost is low. The surface of the connected part is smooth and is free of projections, so that the heavy and medium metal sheets are more attractive. Furthermore, after the connecting columns deform plastically, the tensile strength and the shear strength of the riveted part are improved and the connection is more stable.

The invention discloses a bearing hole groove machining method, which comprises the following steps: clamping a groove machining cutter on a facing head cutter rest, correcting the direction of the cutter, boring a small section of excircle by using the machining cutter to determine the rotation diameter of the cutter and determine the zero position of a U shaft of a facing head, clamping and correcting a part on a machine tool, and finally calling numerical control programs to machine grooves. According to the bearing hole groove machining method, different numerical control programs are compiled, each numerical control program corresponds to the groove of one specification, and the feeding track of the machining cutter is controlled through the numerical control programs, that is, the profile angles of the grooves are controlled. During groove machining, only the corresponding numerical control programs need to be called, and groove features of different specifications can be machined through one machining cutter by means of U and Z interpolation. The bearing hole groove machining method is high in machining efficiency, good in universality and suitable for machining all shell groove features based on the HB 0-37 standard.

The invention provides a speed reducer oil seal safety sleeving method which mainly comprises the following steps that oil seals are pressed to be fitted on an end cover by pressing covers, thus an oil seal assembly is formed; a speed reducer output shaft is coated with a plastic membrane; lubricating grease is uniformly brushed onto the surface of the plastic membrane; the oil seal assembly sleeves the speed reducer output shaft, and the oil seal assembly is pushed and assembled in a seat hole by forward and reverse rotation and/or front and back swinging; and the plastic membrane is taken out and the oil seal assembly sleeving is completed. According to the speed reducer oil seal safety sleeving method, lips of the oil seals can be prevented from being scratched and flanged, the oil seals can be assembled in place at one time successfully, the oil seal sleeving efficiency is improved, the requirement on the technical proficiency of a mounting worker is low, used oil seal sleeving fittings are simple, and the cost is low. The speed reducer oil seal safety sleeving method can be widely applied to the transmission industry for oil seal sleeving work in production and maintenance.

The invention discloses a piston press fitting method. The method comprises the following steps that (1) a pressure platform is installed below a pressing rod of a press machine; (2) a piston cylinder body is placed on the pressure platform; (3) lubricating oil is smeared on the lip of a piston and the inner wall of the piston cylinder body, and the piston is horizontally placed on the piston cylinder body; 4) the lower end of the pressing rod is fixedly connected with the center of the upper surface of a cross-shaped pressing plate; (5) the press machine is started, the pressure value and the rotating speed of the pressing rod are adjusted to preset values, the pressing rod drives the cross-shaped pressing plate to descend and rotate at a constant speed, and the cross-shaped pressing plate makes contact with the piston and conducts press fitting on the piston; (6) after the lip of the piston enters a guide groove of the piston cylinder body, the rotating function of the pressing rod is closed, and the piston continues to be pressed; and (7) after the piston is in place, pressure application is stopped. By means of the method, it can be guaranteed that when the lip of the piston enters the cylinder body, the piston rotates and is pressed at the same time, and warping damage, lip flanging and extrusion strain of the piston in the assembling process are avoided.