613results about How to "Guarantee the appearance quality" patented technology

The invention relates to a metal middle frame processing technique, a metal middle frame and an electronic device. The metal middle frame comprises a frame, a middle plate and a rubber piece. A groove or a protrusion which extends circumferentially is arranged on the inner surface of the frame. A protrusion or a groove which is in interference fit with the groove or the protrusion is arranged in the edge of the middle plate. The rubber piece is moulded between the frame and the middle plate in an injection manner. The metal middle frame processing technique comprises following steps of through squeezing technique and CNC technique, processing and moulding the frame with the groove or the protrusion; using the die-casting technique to process and mould the middle plate with the protrusion or the groove; heating the groove or cooling the protrusion, matching the protrusion or the groove and recovering the temperature of the protrusion or the groove to the initial temperature; injecting fused rubber in a slit between the middle plate and the frame; and carrying out cooling and surface processing on the moulded metal middle frame. In this way, processing quantity of the CNC technique is reduced; processing time in the whole metal middle frame is reduced; and manufacturing cost of the metal middle frame is reduced.

The invention pertains to the technical field of food machinery and relates to producing equipment of round steamed bread. The equipment is provided with the following settings from front to back in sequence: a squash device (100), an incline plane transportation device (200), a winding device (300), a cutting device (400) and a molding device (500). Each device is connected by conveying belt. The squash, winding and cutting devices are added before the molding process. The process steps are as follows: paste is squashed into dough sheet; dough roll is made of the dough sheet through the winding device; then the dough roll is cut, molded to form a clear inner structure layer and improve the brightness of the steamed bread surface and enable the steamed bread to be tasted puckering. The molding process of the invention simulates manual entwisting molding process, which enables the steamed bread inner structure to be difficult to be torn and broken, maintains the sourdough network completely and evenly, has high molding efficiency, and at the same time improves the appearance quality of the dough.

The invention discloses a top-down construction method of a large underground structure outer wall, comprising the following steps: constructing a supporting pile; borrowing earth; binding a first section of outer wall and ring beam reinforcing steel bars, wherein the ring beam reinforcing steel bars are respectively fixedly connected with reinforcing steel bars in the first section of outer walland the reinforcing steel bars in the supporting piles; raising templates; pouring concrete, wherein the first section of outer wall, the ring beam and the supporting piles are integrated as a whole;and repeating the construction of borrowing earth, binding reinforcing steel bars, raising templates, pouring concrete until the bottom surface of the last section of outer wall reaches the designed elevation. The adoption of a pile hanging technique in the invention ensures safe construction, the adoption of a double anti-leakage technique ensures no leakage inside the outer wall, the adoption ofa fast molding technique accelerates the program progress, and the application of sizing steel templates ensures the appearance quality of the concrete thereby achieving a good effect.

The invention discloses a hydraulic press special for the integral compound bulging of an automatic driving axle. The hydraulic press comprises a hydraulic press body and a hydraulic bulging system. The hydraulic press body comprises a rack with a workbench. An internal bulging die and an external bulging die are arranged on the workbench. The internal bulging die comprises an upper module and a lower module. The external bulging die comprises a rack. A support structure is arranged on the rack, and comprises support rods and support heads. A left thrust hydraulic cylinder and a right thrust hydraulic cylinder are arranged at the two ends of the workbench respectively. The two ends of the upper and lower modules are hinged with piston rods of the left and right thrust hydraulic cylinders through link mechanisms respectively. At least one multi-stage hydraulic cylinder is arranged between the upper and lower modules. A quick disassembly connecting structure is arranged on the piston rod of the left or right thrust hydraulic cylinder. Hydraulic pressure required by the integral compound bulging production of the automotive driving axle can be provided, the whole continuous bulging process of the automotive driving axle can be well controlled, and the bulging production requirements of the automotive driving axle can be met.

The invention provides a novel stainless steel side wall structure and a mounting method of a novel stainless steel side wall. The novel stainless steel side wall structure comprises a side wall skeleton. The side wall skeleton is formed by connecting a plurality of cross beams and a plurality of vertical columns in a mutually-crossing mode, and the cross beams and the vertical columns are fixed through mutual inserting; end vertical columns are arranged on the left and right sides of the side wall skeleton correspondingly; door vertical columns are arranged on the left and right sides of doorframes correspondingly; a window upper cross beam is arranged on the upper portion of each window frame, and a window lower cross beam is arranged on the lower portion of each window frame; a waist cross beam is arranged below each window lower cross beam; three lower cross beams are arranged below each waist cross beam; a window upper vertical column is connected to each window upper cross beam;skeleton connecting plates are welded inside the connecting positions of the window upper cross beams and the window upper vertical columns in the side wall skeleton; window lower vertical columns are connected among each window lower cross beam, the corresponding waist cross beam and the three corresponding lower cross beams; and skeleton connecting plates are welded inside the connecting positions of the window lower cross beams and the window lower vertical columns in the side wall skeleton. The cross beams and the vertical columns of the novel stainless steel side wall structure are fixedthrough mutual inserting connection, the deformation problem caused by welding of a skeleton is solved, the production cost is saved, and the assembly production efficiency is improved.

The invention relates to a metal middle frame processing technique, a metal middle frame and an electronic device with the metal middle frame. The metal middle frame comprises a middle plate, a frame and a rubber piece. The frame is arranged around the middle plate and is connected to the edge of the middle plate through overlapping welding. The rubber piece is moulded in a slit between the middle plate and the frame in an injection manner. The metal middle frame processing technique comprises following steps of through squeezing technique and CNC technique, processing and moulding the frame; using the die-casting technique to mould the middle plate; connecting the middle plate into the frame through the overlapping welding; injecting fused rubber in a slit between the middle plate and the frame; and carrying out cooling and surface processing on the moulded metal middle frame. In this way, stable and reliable connection between the middle plate and the frame is achieved; processing quantity of the CNC technique is reduced; processing time in the whole metal middle frame is reduced; manufacturing cost of the metal middle frame is reduced; and meanwhile, improving of surface processing quality of the metal middle frame is facilitated.

The invention discloses an insert type concrete vibrorammer combining vacuum air exhaust and water suction and principles thereof, and belongs to the technical field of construction engineering machines. The vibrorammer solves the problems that microbubbles and free water in concrete and bubbles attached to a template are difficult to eliminate through existing insert type vibrorammers by means of vibration waves, the number of bubbles on the surface of the concrete is large, the appearance quality of the concrete is poor, outside air and water invade steel from air holes in the surface of the concrete and rust the steel, and reinforced concrete component concrete protection layers fall off, so that the service life of structures and buildings is shortened, and the effects that set cement and cement paste in the concrete are forced to be more compact and the segregation phenomenon of the concrete in the vibration process is avoided are achieved. The strength of the concrete is improved, the bearing capacity of the structures and the buildings is improved, and the service life of reinforced concrete components is prolonged. An insert type concrete vibrorammer nanoscale micropore shell bar body connects a motor and a vacuum pump through double-pore-channel hoses into a system combining vibration, air exhaust and water suction.

The invention relates to a metal middle frame, a metal middle frame processing process and an electronic device provided with the metal middle frame. The metal middle frame comprises a middle plate, a border arranged around the middle plate and connected with the edge of the middle plate through butt welding, and a plastic piece in the gap between the middle plate and the border through injection molding. The metal middle frame processing process comprises the following steps: the border is processed and formed through an extrusion process and a CNC process; a die casting process is adopted to form the middle plate; the middle plate is connected in the border through butt welding; the melted plastic is injected to the gap between the middle plate and the border; and after cooling, the formed metal middle frame is subjected to surface processing. Thus, stable and reliable connection between the middle plate and the border can be realized, the processing amount of the CNC process can be saved, the whole metal middle frame processing time is reduced, and the metal middle frame manufacturing cost is further reduced and besides, the metal middle frame surface processing quality is improved.

The invention discloses an OGS (one glass solution) capacitive touch screen and a method for manufacturing the same. The method for manufacturing the OGS capacitive touch screen includes chemically strengthening the surfaces of a glass substrate, and then coating a transparent conducting film layer on one surface of the glass substrate; etching a circuit on the transparent conducting film layer to obtain a conducting glass substrate with distributed conducting film layer patterns; performing screen printing on positions, except for small conducting holes, of a frame by insulating printing ink, curing the printing ink and forming a black insulating film layer; performing screen printing on the small conducting holes by conducting printing ink and nano-silver paste; adhering the nano-silver paste with a flexible printed circuit to obtain the touch screen. The frame is arranged on the surface, which is coated with the transparent conducting film layer, of the glass substrate. A viewing area is arranged inside the frame. The OGS capacitive touch screen and the method have the advantages that requirements on the appearance quality (namely, coloring of the frame of the touch screen) and the functional quality (in other words, edge electrodes of the touch screen are sufficiently and firmly connected and conducted with the flexible printed circuit) of the OGS capacitive touch screen can be met simultaneously, the bonding strength of the small conducting holes and the flexible printed circuit is improved, accordingly, the conductivity of the OGS capacitive touch screen is improved, the product yield is increased, and the production cost is reduced.

The invention discloses a single-surface traceless welding method for a stainless steel composite panel of an elevator, comprising the following steps of: (1) eliminating oil stains on respective surfaces to be welded of a cold (hot) rolled steel plate and a stainless steel surface plate; (2) placing the stainless steel surface plate on a work table, respectively placing a separation bar at two sides of a position to be welded and 5-10 mm away from the position to be welded, and then placing the cold (hot) rolled steel plate on the separation bar so that a gap of 0.08-0.12mm is reserved between the cold (hot) rolled steel plate and the stainless steel surface plate; (3) carrying out laser welding on the cold (hot) rolled steel plate and the stainless steel surface plate with a mixed gas of oxygen gas and inert gas as a protective gas to ensure that a welding seam penetrates through the cold (hot) rolled steel plate and the depth of the welding seam on the stainless steel surface plate is controlled to be 1/3-1/2 of the thickness of the stainless steel surface plate; and ensuring that the stainless steel surface plate, the cold (hot) rolled steel plate and the separation bar are clamped tightly in a welding process. The method provided by the invention has the characteristics of no trace on a single stainless steel panel surface, high welding seam quality and high strength of a combination structure.

The invention relate to a tool and production method for producing a variable cross-section type I-shaped composite part. According to the technical scheme, the tool is composed of an upper male die, a lower male die, a middle spacer plate and composite even pressing plates on the two sides. The production method comprises the steps that firstly, the composite even pressing plates are made; then, carbon fiber prepregs cut into fixed sizes are laid on a forming tool; finally all parts of the carbon fiber prepregs laid well are transferred from the forming tool to an assembly solidification tool for integral assembly, and packaged in a vacuum bag; the fully sealed prepreg blank is subjected to solidification forming under the conditions of 120-180 DEG C and 0.3-0.8 mpa for 1-3 hours; and after cooling, the composite even pressing plates, the middle spacer plate, the upper male die and the lower male die are detached to obtain the variable cross-section type I-shaped composite part. According to the production process, the pressure transmission efficiency of the part in the solidification process can be improved; generation of the structure defect of the part is reduced; the shape and the internal quality of the part are ensured.

The invention belongs to the category of cropper straw wood based panel. A maize straw grain plate comprises maize straw broken material and isocyanate adhesive. The invention is characterized in that the maize straw broken material is the grain of the skin of the marrow-removed maize straw; the weight percentage of the grain composition can be seen in the table; the content of the isocyanate is 3.2% to 3.7% times of the weight of the maize straw broken material. The manufacturing method of the maize straw grain plate is that the skin and marrow of the maize straw are removed; the peeled skin of the maize straw is cut off, crushed, screened, glued, paved, pre-pressed, hot pressed under the temperature ranging from 170 DEG C to 175 DEG C and edge cut. The invention solves the technical problems of improving the strength of maize straw crushed grain plate, simplifying gluing and glue mixing process, raising hot pressing temperature and shortening hot pressing time.

The invention provides a pore-free tire segmental mould and a pattern block thereof. The pattern block comprises a plurality of pattern pieces and a pattern piece shell, wherein the pattern pieces are circumferentially arranged and assembled to form an annular structure capable of accommodating a rubber blank for tire molding, and the pattern piece shell sleeves the outer side of the annular structure; exhaust ducts are arranged inside the annular structure and are communicated with the inner side and the outer side of the annular structure, and each exhaust duct comprises an exhaust gap which is positioned between every two adjacent pattern pieces, is arranged along the axial direction of the annular structure, and is capable of preventing the rubber blank from overflowing the annular structure; the exhaust gap is close to the inner side of the annular structure. The mould provided by the invention comprises the pattern block. The pore-free tire segmental mould and the pattern block thereof provided by the invention have a good exhaust performance, and the effects of only exhausting and no rubber leaking are achieved, so that the tread of the finally molded tire has no rubber hair, the appearance quality of the tire is ensured, the unnecessary waste of a rubber material is avoided, and the production cost is ensured.

The invention relates to an integrated quick moving formwork for tunnel multi-longitudinal cable trough construction. The formwork comprises at least two beams which are horizontally arranged, and an outer support and an inner support which are parallel to each other, wherein the outer support is of a frame structure and comprises a first outer longitudinal beam which is horizontally arranged, a second outer longitudinal beam is arranged below the first outer longitudinal beam and parallel to the first outer longitudinal beam, the first and second outer longitudinal beams are connected with each other through ground jacks which are vertically arranged, and rollers are arranged on the bottoms of the ground jacks; the inner support comprises an inner longitudinal beam which is horizontally arranged, the two ends of the inner longitudinal beam are respectively connected with two stand columns, the upper ends of the stand columns are fixedly connected with the inner longitudinal beam, and the rollers are also arranged on the bottoms of the stand columns; the beams are vertical to the first outer longitudinal beam and the inner longitudinal beam, one ends of the beams are connected with the first outer longitudinal beam through bolts, and the middle parts of the beams are connected with the inner longitudinal beam through the bolts; and a form board is suspended below the beams through a lead ejector rod, the upper part of the lead ejector rod is connected with the beams through nuts, and the lower end of the lead ejector rod is connected with the form board through nuts.

The invention discloses an environment-friendly release agent for fair-faced concrete and a preparation method thereof. The release agent is prepared from the following raw materials in percentage byweight: 35-45% of palm oil, 5-10% of an emulsifier, 0.2% of an antirust agent, 0.1% of a stabilizer, 0-8% of nano titanium dioxide and the balance of water. The preparation method of the release agentcomprises the following steps: 1) respectively mixing and uniformly stirring the emulsifier, the water and the palm oil to obtain two mixed solutions according to the emulsifying property of the emulsifier; and 2) uniformly mixing the two mixed solutions prepared in the step 1), sequentially adding an antirust agent, a stabilizer and nano titanium dioxide, stirring for 40-50 minutes at the temperature of 10-60 DEG C, and cooling to obtain the release agent. The release agent has the properties of low viscosity, good spreading uniformity, isolation lubrication and the like and can effectivelyeliminate bubbles on the surface of fair-faced concrete and stably and effectively ensure the appearance quality of the fair-faced concrete, and the fair-faced concrete after release has the advantages of good apparent quality, smooth appearance, small apparent pore size, small quantity, uniform color and small color difference.

The invention discloses a cellulose triacetate membrane which is prepared from a solution containing cellulose triacetate, a solvent and a plasticizer by using a solution curtain-casting method. The cellulose triacetate membrane is characterized in that the dosage of the plasticizer is 3-15% of weight of the cellulose triacetate; the plasticizer is prepared from a triphenyl phosphate primary plasticizer and an aryl diphosphate coplasticizer; the weight ratio of aryl diphosphate to triphenyl phosphate is 1/6 to 4/5. By adopting the cellulose triacetate membrane, precipitation of the plasticizer caused by fluctuation of a production process condition in a membrane production process is solved; apparent defects of the membrane caused by precipitation of the plasticizer are avoided; the apparent mass, the optical property and the physical and mechanical properties of the membrane are ensured; meanwhile, the cellulose triacetate membrane accords with the environment-friendly emission requirements.

The invention discloses equipment for transferring, overturning and leaning a panel television set. The equipment comprises a rack. The rack is composed of a first rectangular frame and a second rectangular frame. The second rectangular frame is installed on the first rectangular frame. A horizontal tool plate and a leaning tool plate are sequentially arranged on the same side of the first rectangular frame. The leaning tool plate is located below the second rectangular frame. An adsorption transferring mechanism is arranged above the horizontal tool plate. The leaning tool plate is sequentially provided with an overturning mechanism and a leaning transferring mechanism from bottom to top. The leaning transferring mechanism is connected with the upper end of the second rectangular frame. A conveying mechanism is arranged on the surface of the first rectangular frame. The equipment has the beneficial effects that it can be guaranteed that the panel television set can be smoothly transferred, overturned and leaned, manpower can be replaced, the production manner of multiple types, flexibility and easy switching is met, and meanwhile efficiency and product quality are improved.