66results about How to "Improve hot pressing efficiency" patented technology

The invention discloses continuous and stable hot-pressing equipment for furniture boards. The equipment comprises a bottom plate, limiting plates, a supporting plate, a work table, connectors, grooves, buffering springs, sliding grooves and sliding blocks; supporting columns are installed at the upper end of the bottom plate, a crank shaft is arranged between the two supporting columns, a rod journal is arranged in the middle of the crank shaft and is provided with a shaft sleeve in a sleeved mode, the lower end of the shaft sleeve is connected to a lifting plate through a connecting rod, and a hot-pressing plate is arranged on the lower surface of the lifting plate; and guide holes are formed in the left end and the right end of the lifting plate, and guide rods penetrate into the guide holes. According to the equipment, the boards placed on the work table can be hot-pressed continuously, and the hot-pressing is higher relative to traditional hot-pressing; the supporting plate under the work table has the buffering function, the safety of the boards can be guaranteed in the process of continuous hot-pressing, damage caused by excessive hot-pressing force can be avoided, and the hot-pressing quality is guaranteed; and the overall base has the buffering performance, and therefore the hot-pressing equipment can be stable and safe and is suitable for being popularized and used.

The invention discloses a method for establishing a moisture content gradient of a shaving board. The method consists of three technological links, namely drying in levels, respective glue mixing and respective paving. The drying in levels is characterized in that two levels of drying systems are established and a shaving sorting procedure is set up between the first-level drying system and the second-level drying system; the shavings subjected to drying in levels are respectively stored, metered and mixed with glue, and the moisture content difference between shavings in a core layer and shavings on a surface layer are stabilized; after the shavings are metered, the shavings are respectively paved, and the moisture content gradient is finally established on a cross section of a blank of the shaving board. By the moisture content gradient, the moisture on the surface of the blank is quickly vaporized in the heating process, a steam impact effect is generated, the heat transfer speed is improved, the temperature rise speed of the core layer is improved and the aims of shortening hot-pressing time and improving hot-pressing efficiency are finally fulfilled; in addition, by establishing the moisture content gradient of the blank, the performance and the surface quality of the finished shaving board can be obviously improved, the static bending intensity of the board is improved, the made shaving board is more smooth in surface, and the sanding loss of the shaving board is reduced.

The invention discloses a soybean adhesive for a water-resistant shaving board and a preparation method thereof, and relates to an adhesive and a preparation method thereof, in particular to a modified soybean adhesive for production of boiling water boiling-resistant shaving boards, which aims at solving the technical problems of difficulty in adhesive applying in the production process of the shaving board due to large viscosity and difficulty in adapting to the production of the shaving board due to long hot pressing time in the existing soybean adhesive. The method comprises the following steps of 1, synthesizing of modified polyamide polyamine resin; 2, preparing of the adhesive. The prepared soybean adhesive for the water-resistant shaving board is prepared by adding 0.3 to 1.5% of curing agent and 10 to 25 parts of soybean meal into 100 parts of modified polyamide polyamine resin and mixing at room temperature. The soybean adhesive has the advantages that the viscosity is low, the adhesive is conveniently and uniformly sprayed onto the shaving board, the curing speed is high, the water-resistant property is good, and the soybean adhesive is especially suitable for preparing the boiling water boiling-resistant shaving board in the existing shaved board production line. The soybean adhesive belongs to the field of preparation of adhesives.

The invention aims to provide a modified soybean aldehyde-free flame-retardant adhesive. The modified soybean aldehyde-free flame-retardant adhesive comprises the following components in parts by weight: 100 parts of a cross-linking modifier, 50-100 parts of water, 100-200 parts of degreased bean flour, 50-150 parts of an activated modified flame retardant, 5-7 parts of a water-based tackifier and0.1-0.2 part of an assistant, wherein the activated modified flame retardant is prepared from the following components in parts by weight: 20-40 parts of ammonium polyphosphate APP, 10-20 parts of melamine phosphate MP, 2-3.5 parts of a coupling agent, 4-7 parts of a dispersing agent and 50-80 parts of aluminum hydroxide or magnesium hydroxide.

The invention discloses hot pressing equipment for a composite non-woven fabric. The hot pressing equipment structurally comprises a machine body, a first guide roller, a first hot-pressing roller, athird guide roller, a composite non-woven fabric winding device, a second hot-pressing roller, a second guide roller, a non-woven fabric roll, an interlayer fabric roll and an inner fabric roll, wherein the non-woven fabric roll, the interlayer fabric roll and the inner fabric roll are sequentially arranged on the machine body. Compared with the prior art, the invention has the following beneficial effects: the contact area of the non-woven fabric and a heating roller can be greatly increased, which is beneficial for improvement of hot pressing efficiency and reduction in hot pressing time; invirtue of magnetism principles and the fact that an air suction ball is pressed to exhaust air and sucks air to realize resetting, the composite non-woven fabric can be adsorbed and clamped, so the composite non-woven fabric is allowed to quickly enter an annular cavity, and the composite non-woven fabric is located in the annular cavity for hot pressing; and heat preservation and insulation areconducted through glass wool, and an inner roller is hidden in an outer roller to prevent the inner roller from being exposed outside, so heat dissipation can be effectively reduced, and hot pressingcompositing of the non-woven fabric is better facilitated.

The invention relates to the technical field of composite board processing, particularly to composite board pressing processing equipment, which comprises a hot press, supporting devices, a blanking device and a cleaning device. The inner side of the hot press is fixedly connected with hot pressing plates, the supporting devices are arranged on the inner sides of the hot pressing plates, each supporting device comprises a supporting plate, a rotating shaft, a limiting plate, a first spring and a handle, the inner sides of the three hot pressing plates located at the bottom end are connected with the supporting plates in a sliding mode, the rear ends of the inner sides of the supporting plates are rotationally connected with the rotating shafts, and the rotating shafts are in sliding connection with three hot pressing plates at the bottom end. In the present invention, the limiting plates and the rotating shafts are arranged, by means of the arrangement, in cooperation with rotary connection of the rotating shafts and the supporting plates, sliding connection of the rotating shafts and the hot pressing plates, and the elastic force of the first springs to the limiting plates, when the composite boards are fed, the supporting mechanism can be pulled out to be fed and then placed quickly and precisely, operation is easy and convenient, and the safety of workers is guaranteed.

The invention provides a horizontal hot-pressing machine set, which comprises a feeding assembly, a hot-pressing machine main body and a discharging assembly. Each of the feeding assembly and the discharging assembly comprises a rotatable conveying chain and a plurality of supports rotating along the conveying chain, and spaces for accommodating plates are formed among adjacent supports. The hot-pressing machine main body is arranged between the feeding assembly and the discharging assembly, and comprises a plurality of hot pressing plates arranged parallel to one another and are vertically, all the hot pressing plates are connected with a driving assembly, and all the hot pressing plates move towards one another or move away from one another in opposite directions under the driving of thedriving assembly so as to realize clamping or releasing of the plates. At least two transfer assemblies are respectively arranged below the conveying chain of the feeding assembly and below the conveying chain of the discharging assembly to realize the conveying of the plate from the feeding assembly to the main body of the hot-pressing machine main body and from the hot-pressing machine main body to the discharging assembly. The invention can simultaneously realize the feeding and discharging of the hot-pressing machine main body, realize the uniform heating of a plurality of plates and theequal compression of each plate.

The invention provides an automatic plate feeding hot press. In the actual working process, the automatic plate feeding hot press further comprises a controller for controlling a hot pressing device,an arranging shaping device, a rubberizing device and a supplying device; and under control of the controller, the supplying device conveys template slabs to the arranging shaping device one by one, all the template slabs are rubberized through the rubberizing device, and then the template slabs are pressed into plywood through the hot pressing device. All abutting wheels can stably and smoothly guide and support the movement of horizontal cross beams operating periodically. Moreover, lower end steps which are inclined and arranged step by step can be adapted to the height of the template slabs arranged layer by layer, and all support parts can be rebounded in time without scraping the lower template slabs and a hot pressing base plate. Compared with the prior art, through the automatic plate feeding hot press, the template slabs can be transported, arranged, shaped, rubberized and hot-pressed in one time smoothly, stably and automatically, and the efficiency and practicability are high.

The invention discloses a soybean adhesive for a water-resistant shaving board and a preparation method thereof, and relates to an adhesive and a preparation method thereof, in particular to a modified soybean adhesive for production of boiling water boiling-resistant shaving boards, which aims at solving the technical problems of difficulty in adhesive applying in the production process of the shaving board due to large viscosity and difficulty in adapting to the production of the shaving board due to long hot pressing time in the existing soybean adhesive. The method comprises the following steps of 1, synthesizing of modified polyamide polyamine resin; 2, preparing of the adhesive. The prepared soybean adhesive for the water-resistant shaving board is prepared by adding 0.3 to 1.5% of curing agent and 10 to 25 parts of soybean meal into 100 parts of modified polyamide polyamine resin and mixing at room temperature. The soybean adhesive has the advantages that the viscosity is low, the adhesive is conveniently and uniformly sprayed onto the shaving board, the curing speed is high, the water-resistant property is good, and the soybean adhesive is especially suitable for preparing the boiling water boiling-resistant shaving board in the existing shaved board production line. The soybean adhesive belongs to the field of preparation of adhesives.

The invention discloses a plywood hot press. The plywood hot press comprises a base, two symmetrically arranged first brackets, a cross beam, a hot-press device, an oil way device and an air-drying device. The first brackets are welded at the top of the base. The cross beam is welded between the two first brackets. The hot-press device is connected with the cross beam. The oil way device is connected with the hot-press device and the air-drying device. The air-drying device is arranged at the top of the base. The air-drying device is positioned at the left front side of the hot-press device. The plywood hot press is capable of, through using conduction oil as a heating source, enabling the heating effect to be more excellent compared with the heating effect of steam heating, improving hot-press efficiency, saving energy sources, and through a design of the air-drying device, adequately using hot air generated by waste heat of the conduction oil to perform dehumidification operation ona plywood, improving the hot-press effect of the plywood, and further saving the energy sources.

The invention relates to a method for forming and processing an environmentally friendly packaging bag, which mainly includes the following steps: material preparation, blow molding operation, bending and hot pressing, collection operation, and testing and packaging. The used packaging bag bending and hot pressing equipment includes: Bottom, stretching device, adjusting device, pressing device and hot pressing device, the present invention can solve the following difficult problems existing in the bending and hot pressing of the existing packaging bag, a, when the traditional packaging bag is bent and hot pressed, manual adjustment is required The packaging bag is bent, and the packaging bag is manually hot-pressed with a hot-pressing tool. The manual hot-pressing production of the packaging bag has low work efficiency and high cost; b, the existing packaging bag bending and hot-pressing equipment When the bag is bent, the packaging bag will not be bent evenly, and there will be wrinkles in the hot-pressed packaging bag, which will affect the appearance of the packaging bag, waste raw materials, and can improve the bending and hot-pressing efficiency and quality of the packaging bag.

The invention relates to the technical field of composite plate processing, in particular to a composite plate press processing equipment, including a hot press, a supporting device, a feeding device and a cleaning device. The inner side of the hot press is fixedly connected with a hot pressing plate. The inner side of the pressing plate is provided with a supporting device, and the supporting device includes a supporting plate, a rotating shaft, a limit plate, a first spring and a handle, and the inner sides of the three hot pressing plates at the bottom are slidably connected with a supporting plate, and the supporting plate The inner rear end is rotatably connected with a rotating shaft, and the rotating shaft is slidably connected to the three hot-pressing plates located at the bottom end. In the present invention, through the set limit plate and the rotating shaft, this setting is coordinated with the rotating connection between the rotating shaft and the support plate. , The sliding connection between the rotating shaft and the hot pressing plate and the elastic force of the first spring on the limit plate, when loading the composite plate, the support mechanism can be pulled out for loading, and then it can be placed quickly and accurately, and the operation Simple and convenient, ensuring the safety of staff.

The invention provides a plywood and its hot-pressing method. The hot-pressing method comprises the following steps: applying glue to the veneer, forming a billet, and after cold-pressing, boosting the pressure to 1.20‑1.30 MPa for the first time; then releasing the pressure for the first time to 0.3 ‑0.5MPa, the steam exhausting time is not more than 6 times of the initial boosting stabilization time; the second boosting to 1.20‑1.30MPa, the duration is not longer than the initial boosting stabilization time, after the thickness of the slab is fixed, the second pressure relief ; When the pressure is released to 0MPa for the second time, take out the plate. The hot-pressing method described in the present invention is a preferred hot-pressing mode for plywood under the synergy of multiple factors. By reducing the relative time of high pressure and efficiently discharging the moisture inside the slab, it not only effectively shortens the hot-pressing time and improves the hot-pressing efficiency, but also can Strengthen the performance of the board, reduce the compression rate of the board itself, so as to improve the utilization rate of wood.

The invention discloses automatic hot pressing equipment which comprises a shell, a bottom plate, a positioning plate, a stock bin, discharging channels, a controller and guide-in channels. The shell is arranged on the bottom plate, the positioning plate, the discharging channels and the controller are arranged at the bottom in the shell, the positioning plate is located at the bottom in the shell, the stock bin is arranged at the top of the shell, the multiple discharging channels are vertically arranged, the upper portions of the discharging channels are connected with the stock bin through the guide-in channels, the controller is electrically connected with the discharging channels, and discharging switches are arranged on the guide-in channels. A plastic plate into which nuts are to be pressed is placed on the positioning plate, a plurality of nuts to be pressed into the plastic plate are placed in the stock bin, the nuts enter the upper portions of the discharging channels from the leading-in channels, the nuts are pressed down in the discharging channels, the nuts are heated in the downward movement process, after the nuts make contact with the plastic plate, downward pressure is continuously applied by parts in the discharging channels, the nuts are pressed into the plastic plate, and the multiple discharging channels synchronously press the nuts into the plastic plate.

The invention discloses a high-strength continuous-tooth diamond saw blade and a hot press molding technology thereof. The continuous-tooth diamond saw blade comprises the following main materials according to volume fractions: 12-15% of diamond, 20-26% of copper, 40-42% of iron, 3-8% of tin, 5-10% of nickel, 5-10% of cobalt and 3-5% of alloy powder as an auxiliary material. A method for producing the continuous-tooth diamond saw blade comprises the following steps: batching, pre-mixing, total mixing, cold press pre-molding, hot press sintering, primary cooling, high-frequency welding, secondary cooling, surface treatment, paint spraying, edging and the like. The strength and the wear resistance of the diamond saw blade which is produced by the formula and the technology of the invention are improved, in an actual using process, the service life is prolonged, the production cost is greatly saved, resources are saved, and moreover, the technology is environmentally friendly, sanitary and safe in a production process.

The invention relates to opening hot-pressing equipment for an underpants elastic band. The equipment comprises a rack, a first air cylinder is fixed to the rack, a hot-pressing device used for hot pressing is fixed to the first air cylinder, an opening device used for opening an underpants elastic band and a first driving mechanism used for driving the opening device to move to open the underpants elastic band are arranged on the rack, a workbench is further fixed to the rack, when the underpants elastic band is unfolded by the unfolding device, the two sides of the underpants elastic band are arranged in the circumferential direction of the side face of the workbench in a winding mode, and the hot-pressing device is located above the workbench. The equipment has the advantages that: theunderpants elastic band and underpants can be better attached, and the underpants elastic band can bond the underpants in a more all-around mode.