33results about How to "Economical and reasonable production cost" patented technology

The invention provides a formula and a making method of guitar instrument polyurethane paint. The formula comprises the following components in part by weight: 2-6 parts of ethyl acetate, 3-7 parts ofn-butyl acetate, 4-8 parts of isopropanol, 2-6 parts of propylene glycol methyl ether acetate, 4-8 parts of 1 / 16-second nitrocellulose, 1-2 parts of high-efficiency matting powder, 1-3 parts of an alkyd resin polymer, 1-2 parts of non-matting wax paste, 1-2 parts of 2,2-dimethylolbutyric acid, 2-5 parts of N-butyl acetate and 1-2 parts of cyclohexanone. The formula and the making method of the guitar instrument polyurethane paint, provided by the invention, have the benefits that the drying rate of a coating in the film forming process can be improved, so that the rapidity of coating construction is ensured, and the damage caused by the influence of an external environment in the long-time drying process to the appearance of a Guqin instrument is prevented; the guitar instrument polyurethane paint is economic and reasonable in making cost, excellent in performance and suitable for being popularized and used in society.

The invention discloses a liquor-making fermentation device, which comprises a stainless steel fermenter and an air inflating device. An asbestos foam box, a dampproof carton box and a plastic layer are arranged on the outer side of the stainless steel fermenter, the asbestos foam box, the dampproof carton box and the plastic layer are arranged sequentially from inside to outside, a fixedly connected feeding pipe is arranged at the center of the stainless steel fermenter, organic silicon high-temperature-resistant paint is arranged on the inner walls of the feeding pipe and the stainless steelfermenter in a sprayed mode, and a stainless steel module is arranged above the feeding pipe and movably connected with an upper end opening of the feeding pipe; the air inflating device comprises anair inflator and an air delivery pipe, one end of the air delivery pipe is connected with the air inflator, and the other end of the air delivery pipe communicates with the feeding pipe; and after fermentation, a discharging pipe is arranged at the center of the feeding pipe in an inserted connection mode, the bottom of the discharging pipe is inserted into the bottom of the stainless steel fermenter, and the upper end of the discharging pipe stretches out of the stainless steel fermenter. The liquor-making fermentation device promotes the development of the world liquor-making industry, liquor storage for a long time can be achieved, and liquor rice can be further preserved for a long time.

The invention discloses a musical instrument case. The musical instrument case comprises a case body and a connecting belt, wherein connecting rings are arranged at the upper side of the case body, buckles are arranged at two ends of the connecting belt, the connecting belt is connected above the case body through the match of the buckles and the connecting rings, the connecting belt is provided with an alleviating belt and an adjusting buckle, for the connecting belt, the length can be adjusted through the adjusting buckle, a closing cover is arranged at the front side of the case body, invisible buttons are arranged between the closing cover and the case body, the closing cover is connected with the opening of the case body through the invisible buttons, and the case body and the closingcover are integrally formed. A handle convenient for grabbing and holding of the fingers is arranged above the case body, and the handle is sewn above the case body. For the musical instrument case,the connection of the invisible buttons is adopted, the structure is simple, and the opening is convenient; the length of the connecting belt on the case body can be adjusted according to the demands,and the operation is flexible and convenient; and the case body and the connecting belt are detachably connected, so that the connecting belt can be conveniently detached. The musical instrument casehas the advantages the fabricating cost is economical and reasonable, the performance is excellent, and the musical instrument case is suitable for being popularized for use in society.

The invention discloses a cavity-building retractor device for minimally invasive thyroid surgery. The device comprises a hinged hook, a perforated retractor and an auxiliary retractor, wherein the hinged retractor comprises a rocker, a toothed rod and an S retractor; a retractor mounting button for connecting the perforated retractor is arranged below the toothed rod; a rocker mounting hole for mounting the rocker is formed in the S retractor; the hinged retractor further comprises a connecting piece for mounting the rocker; the toothed rod traverses the connecting piece; the perforated retractor is arranged in an L-shaped structure; fixing holes for fixing an aspirator tube are formed in the upper part and the side surface of the perforated retractor; the upper front side of the perforated retractor is inclined downwards; a retractor mounting hole is formed in the lower side of the perforated retractor; the auxiliary retractor is integrally formed; and an oval hole is formed in the auxiliary retractor. The device adopts a retractor suspension method to hoist skin flaps in a tent-type manner, and an operation space is created, so as to solve the problems raised in the background technology, and the device can successfully assist doctors to smoothly establish the operation space and complete the operation in thyroid minimally invasive surgery.

The invention discloses a multifunctional electric greenhouse. The multifunctional electric greenhouse comprises a greenhouse bracket, wherein the greenhouse bracket comprises a plurality of first support frames and a plurality of second support frames which are arranged at the top, side surfaces of the first support frames and the second support frames adopt semicircular structures, the second support frames are arranged above the first support frames, the first support frames are used for supporting a greenhouse film, the second support frames are used for supporting a shading net, first film winders and second film winders are arranged at two ends of the greenhouse film and the shading net respectively, first regulation rods are connected below the first film winders, second regulationrods are arranged below the second film winders, multiple hanging bag rods are arranged on the greenhouse bracket, two ends of each hanging bag rod are connected with two ends of the bottom of the corresponding first support frame respectively, and linearly arranged water spray pipes are arranged on the hanging bag rods. The film winders and the greenhouse bracket are combined, the shading net canbe lifted up according to the illumination requirement, adjustment can be realized in real time as required, the use efficiency of the shading net and the greenhouse film is improved, and the adjustment time is saved.

The invention discloses a full-automatic production system for the two ends of an SMT component to be stained with silver. An automatic glue pasting, implanting and leveling device, an automatic end sealing device, an automatic drying furnace device, an automatic glue pasting surface changing device and an unloading device are included; the automatic glue pasting, implanting and leveling device comprises an automatic glue pasting device, an automatic implanting device and an automatic leveling device; the automatic glue pasting device is sequentially provided with a first plate, a rolling wheel downward pressing cylinder, a rolling wheel push-out cylinder and a stepping motor; one side of the first plate is provided with a plate sensor, and a belt glue cutting cylinder is arranged below the first plate; the automatic implanting device comprises a second plate and a servo motor; one side of the second plate is provided with a compressing cylinder and a vibrating leaf spring; and the other side of the second plate is provided with a hinged overturning guide plate to which an overturning cylinder is connected. The full-automatic production system for the two ends of the SMT componentto be stained with silver is a full-automatic end sealing machine high in automation degree, high in production efficiency and stable in production, lots of time, manpower and material resources are saved, the production efficiency of enterprises is improved; and the full-automatic production system for the two ends of the SMT component to be stained with silver is first innovated in China.