36results about How to "Avoid damage and scrap" patented technology

The invention discloses an antipollution sofa leather making method. The method comprises the following steps: uniformly stirring 5-10 parts of dimethyl formamide with 2-10 parts of a color paste, 10-30 parts of wood powder and 1-5 parts of a surfactant; adding 80-100 parts of wet polyurethane resin and 150-280 parts of dimethyl formamide to obtain a wet material; impregnating a base fabric, ironing, drying, coating the wet material, solidifying, foaming, washing with water, and drying to obtain a wet base; uniformly mixing 80-100 parts of a polyurethane surface layer resin with 40-70 parts of an organic solvent, 0.5-2 parts of an assistant and 5-8 parts of an environmentally friendly toner to obtain a dry material; uniformly mixing 80-100 parts of a polyurethane binding resin with 20-60 parts of the organic solvent, 0.5-2 parts of the assistant and 5-8 parts of the environmentally friendly toner to obtain a binder; coating the dry material on release paper, drying, coating the binder, pasting the wet base, drying, cooling, and separating from the release paper to obtain a semi-finished product; and carrying out surface treatment to obtain a finished product. The method effectively improves the oil stain resistance of sofa leather.

The invention provides a carrier backflow device. The carrier backflow device comprises a first carrier sensing part, a transferring platform position sensor and a second carrier sensing part; the first carrier sensing part is used for detecting whether a carrier exists on a transferring platform or not, the transferring platform position sensor is used for detecting whether a transferring track is located at the position where the transferring track is butted joint with a testing track or not, and the second carrier sensing part is used for detecting whether the carrier exists on the transferring platform or not when the transferring track is moved to the place where the transferring track is butted joint with a backflow track; when the first carrier sensing part does not sense the carrier and the transferring platform position sensor senses the transferring track, the carrier is conveyed from a testing platform to the transferring platform; and when the first carrier sensing part does not sense the carrier and after the second carrier sensing part senses the carrier and when the second carrier sensing part does not sense the carrier within the preset delay time, the transferringplatform is conveyed to the position where the transferring platform is butted joint with the testing track. According to the carrier backflow device, collision between the transferring track and a board or falling of the board can be effectively avoided, the situation that the carrier is clamped, damaged and scraped is avoided, and the loss of stopping line is reduced.

The invention relates to paper back coating emulsion and a preparation method and application thereof. The paper back coating emulsion is mainly prepared from, by mass, 10-14 parts of water, 12-16 parts of acrylic emulsion, 1-4 parts of wax emulsion, 1-4 parts of gamma-polyglutamic acid, 0.5-1.5 parts of sodium alginate, 0.5-1 part of calcium chloride, 0.5-2 parts of ketone-removing additive and 0.03-0.2 part of auxiliary agent. The paper back coating emulsion is used for preparing a transfer paper back coating, the water retention capacity and water absorption can be improved, the moisture ofbase paper is prevented from permeating out, and the moisture condensed on the surface in the environment is absorbed, therefore the problem of mutual adhesion of transfer paper during overlapping issolved, so that the transfer paper is more easily separated during subsequent processing and use, the damage and waste caused by improper separation are avoided, the production efficiency is effectively improved, the production cost is reduced, and the market application prospect is broad.

A panel positioning device utilizes fixed positioning elements and the trench so as the fixed positioning device may apply to the panel with different sizes. The positioning element may slide in the trench to the corresponding location and be fixed there. The location where the positioning element fixed in is a gap between the panel and the printed wiring board (PWB) or at an edge of the panel.

The invention discloses a combined feeding type numerical control lathe. The combined feeding type numerical control lathe structurally comprises a base, a movable door, a spindle, a sliding seat, a tool rest and a control box, wherein the upper end of the base is movably clamped to the lower end of the movable door. A sliding block moves left and right, a jacking block jacks a warping plate through a spring to scrape off aluminum alloy melt cleaned off by the sliding block for storage, a scraping block cleans away the aluminum alloy melt, and the situation that aluminum alloy adheres to the outer side of a tool and makes the outer side of the tool blunt and consequently the tool cannot be used any longer is prevented. A middle shaft on the front side of a supporting frame can connect thescraping block, then, a scraper is cleaned through a limiting plate, a capturing sheet can stick the removed aluminum alloy melt on the limiting plate, a contact block can press the capturing sheet downwards under the supporting of a fixing shaft after the sliding block moves rightwards, then, the warping plate can perform scraping and collecting on the capturing sheet, and the situation that thealuminum alloy melt adheres to the tool and consequently the tool cannot be used any longer or even a machined part is damaged and scraped is prevented.

The invention discloses a roll pressing manufacturing device for a specially-shaped pipe. The roll pressing manufacturing device for the specially-shaped pipe comprises a base, wherein a first supporting column and a second supporting column are fixedly connected to the upper end of the base; a pipe component is arranged between the first supporting column and the second supporting column; guidingcolumns run through the inner parts of two ends of the pipe component; a first connecting rod is fixedly connected to one end, near the first supporting column, of the guiding column; the first connecting rod runs through the upper end of the first supporting column; a second connecting rod is fixedly connected to one end, near the second supporting column, of the guiding column; the second connecting rod runs through the second supporting column; a sliding slot is formed in the upper end of the base; a supporting plate is connected to the upper end of the sliding slot in a sliding manner; astroke plate is fixedly connected to the upper end of the supporting plate; and two symmetrically arranged mounting columns are fixedly connected to the upper end of the stroke plate. The roll pressing manufacturing device for the specially-shaped pipe is novel in structure; the roll pressing manufacturing device for the specially-shaped pipe is provided; through step-by-step analysis and roll pressing, scrapped damage during the processing of the pipe component is effectively avoided and the production cost is reduced.

The invention belongs to the technical field of public lighting equipment, and particularly relates to a descending type street lamp based on a parallelogram structure. The descending type street lampcomprises a bottom plate, a shell, a support base, a support plate, a support block, a power part, a rotating part and a lighting part; through joint operation of the power part, the rotating part and the lighting part, the street lamp is descended to the height facilitating maintenance of constructors; due to the fact that the street lamp is arranged on the roadside and is greatly affected by the environment, manual maintenance is frequently needed; and the lighting part at the upper end of the street lamp can be kept vertical and automatically descended to the proper height, and maintenanceof workers is facilitated, so that workers do not need to go to a high place for operation, and the danger of worker construction is greatly reduced; and a solar panel, a battery and the lamp holderare all arranged at the upper end of the street lamp, so that the energy loss of the street lamp is reduced, and street lamp lighting parts are convenient to maintain.

The invention is suitable for the technical field of radiators, and provides a constant temperature assembly with a furnace body. The constant temperature assembly with the furnace body comprises the furnace body, the two sides of the outer wall of the furnace body are symmetrically provided with heat dissipation assemblies in a covered mode, the upper portions of the two heat dissipation assemblies are both connected with first water pipes, the lower portions of the two heat dissipation assemblies are both connected with second water pipes, each heat dissipation assembly comprises a plurality of heat dissipation units, each heat dissipation unit comprises two water guide pipes and a plurality of heat dissipation plates fixedly connected between the two water guide pipes, each heat dissipation plate comprises an arc-shaped heat dissipation part attached to the outer wall of the furnace body and a connecting part connected with the water guide pipes, a plurality of fins are arranged on one side, away from the furnace body, of each heat dissipation part, and a plurality of first water channels with W-shaped cross sections are arranged in the heat dissipation plates. Therefore, according to the constant temperature assembly with the furnace body, the contact areas between the heat dissipation plates and water and the contact areas between the heat dissipation plates and air can be enlarged at the same time, the heat dissipation effect is improved to the maximum extent, cooling can be carried out on the outer wall of the furnace body, and deformation, damage and scrapping of the furnace body caused by overheating of the outer wall of the furnace body are prevented.

The invention discloses a buffer type stepping neodymium iron boron thin magnetic sheet feeding robot production line. The buffer type stepping neodymium iron boron thin magnetic sheet feeding robot production line comprises a magnetic sheet buffer feeding device, a grinding device, a chamfering device and a polishing device; the magnetic sheet buffer feeding device comprises a bottom plate, a topplate, a stacking rail, two buffer material moving mechanisms, a friction feeding mechanism, a discharging groove and a material moving driving mechanism; the stacking rail is provided with an inclined part and a linear part; the buffer material moving mechanisms are distributed at the two sides of the linear part; each buffer material moving mechanism comprises two eccentric shafts, a transverseconnecting rod, a longitudinal sliding support, a buffer sliding plate and a protective contact layer; each transverse connecting rod movably sleeves every two eccentric shafts; each longitudinal sliding support is elastically connected to the corresponding transverse connecting rod in a sliding manner; each buffer sliding plate is elastically connected to the corresponding longitudinal sliding support in a sliding manner; and the friction feeding mechanism comprises a first support, a feeding support, a feeding motor, a feeding friction belt and a rolling shaft. According to the buffer typestepping neodymium iron boron thin magnetic sheet feeding robot production line, magnetic sheets are effectively prevented from being damaged due to excessive external impact, and meanwhile, the working efficiency and the production efficiency of feeding are improved.

The invention relates to an illumination detection module, and the module comprises a light source assembly which is used for emitting illumination light and detection light; a light transmission part, one end of the light transmission part being connected with the light source assembly, and the light transmission part being used for transmitting the illumination light and the detection light; anillumination assembly, connected with the other end of the light transmission part and used for receiving the illumination light transmitted by the light transmission part to provide illumination; anda light detection and measurement assembly, connected with the other end of the light transmission part and used for outwards emitting the detection light transmitted by the light transmission part so as to detect position parameters of surrounding objects. As the light source assembly with large heat productivity is independent of the lighting assembly and the light detection and measurement assembly, and the light detection and measurement assembly is small in size and can be integrated with the lighting assembly to be arranged at a vehicle lamp mounting position, the detection angle and range can be expanded. The connecting mode of the lighting assembly, the optical detection and measurement assembly and the light source assembly is simple, a large number of connecting wire harnesses do not need to be arranged, the structure is simple, and later maintenance and overhaul are facilitated.