40results about How to "Guaranteed composite quality" patented technology

The invention discloses a preparation method of a reinforced composite wear-resistant lining board of a precast framework. The prepared reinforced composite wear-resistant lining board is formed by compounding a framework reinforced body containing hard phases and base body metal. The preparation method comprises the following steps: adopting a framework precast body made of tube wires filled with hard materials, performing the vacuum high-temperature sintering, forming the framework reinforced body containing hard phases, and leading the framework reinforced body to perform the metal casting composite molding with the base body metal, so as to form the lining board formed by compounding the framework reinforced body containing hard phases and the base body metal. The framework reinforced body is performed by the vacuum high-temperature sintering to form a complete metallurgical texture structure, which has order arrangement, uniform distribution, stable performance and strong integrity, can always keep complete framework structure after compounding with the base body metal, thereby developing the high wear-resistance of the hard phases in the framework reinforced body, and keeping better flexibility of the base body metal. The reinforced composite wear-resistant lining board can be compounded locally or gradiently, or integrally, and can be widely applied to wear-resistant fields of mine, electricity, metallurgy, coal, building materials, and the like.

The invention discloses a preparation method of a framework reinforcement compound hammerhead. The made compound hammerhead is formed by compounding a framework reinforcement containing hard phase anda base metal. The method comprises the following processes: making a framework prefabricated part by utilizing a pipe thread filled with hard materials; carrying out vacuum high temperature metallurgy sintering on the framework perform so as to make the framework reinforcement containing the hard phase; and compounding the framework reinforcement with the base metal for molding to form the hammerhead formed by compounding the framework reinforcement containing the hard phase and the base metal. The framework reinforcement forms a sufficient metallurgical structure through vacuum high temperature metallurgy sintering, has orderly arrangement, uniform distribution, stable performance and strong integrity, and can keep complete framework structure when being compounded with the base metal. The invention not only exerts the highly wearable property of the hard phase in the framework reinforcement, but also keeps good toughness of the base metal, and can carry out local compound, graded compound or overall compound, thereby achieving the best use effect and obviously enhancing the comprehensive property.

The invention discloses an internal forward spinning nested process composite machine tool with dual metal tubes. The internal forward spinning nested process composite machine tool comprises a tank body (7) and a machine body (31), wherein a spindle motor (29), a travel motor (27), a spindle bearing block (2), a travel wheel bearing block (10), a sliding contact (3) and a travel contact (5) are arranged on the tank body (7); a spindle (28) is arranged on the spindle bearing block (2); a front travel wheel axle (9) and a rear travel wheel axle (4) are arranged on the travel wheel bearing block (10); a travel track (26), a sliding contact linear rail (1), a travel switch (6), a pivot seat (25) and an air cylinder (23) are arranged on the machine body (31); a clamp (24) is arranged on the pivot seat (25) and is connected with the air cylinder (23); the sliding contact (3) is arranged in the sliding contact linear rail (1). The composite machine tool is reasonable in structural design and is convenient to operate; particularly, the stability of feed travel can be maintained; a clamping force has no influence on elastic deformation of an outer pipe and plastic deformation of an inner pipe; the inner pipe and the outer pipe are combined, so that high quality can be obtained; the problems that a spinning shaft is unstable in feed, the clamping force influences the elastic deformation of the outer pipe and the plastic deformation of the inner pipe and the like during the processing in the prior art can be solved.

The invention discloses a composite EPE-air bubble film packaging material. The material is prepared by compounding EPE and an air bubble film through tape casting of a coating layer which is obtained by mixing an adhesive and a low density polyethylene resin particle, wherein an upper layer is the EPE, a lower layer is the air bubble film, the usage amount of the low density polyethylene resin particle accounts for 30 to 40% of the weight of a coating material, and the diameter of an air bubble body of the air bubble film is 3 to 30 mm. Since the low density polyethylene resin particle is cheaper than the adhesive, the composite EPE-air bubble film packaging material provided by the invention has reduced production cost while the compounding quality of the EPE and the air bubble film is ensured.

The invention discloses an aluminum-steel composite plate. An aluminum alloy plate is combined to the upper surface of a steel plate base; another aluminum alloy plate is combined to the lower surfaceof the steel plate base. The invention also discloses a compositing process of the aluminum-steel composite plate. The compositing process includes the steps of heating a low-carbon steel plate and an aluminum alloy plate at 300-450 DEG C for 3-6 min, stacking the heated low-carbon steel plate and aluminum alloy plate according to an actually required shape, placing the stack on a horizontal bench top, placing a press roller on the upper surface of the stack, heating the aluminum-steel composite plate blank again at 200-300 DEG C, and performing trimming reshaping and surface treatment on thealuminum-steel composite plate blank. The plate layers herein can be softened and melted into a composite whole; the finished product is better than existing single-layer plates or composite plates made of other materials, in product strength, toughness and service life.

The invention discloses a rolling mill for a three-layer compounded micro-profiled electric contact strip. The rolling mill comprises a paying-off part, a paying-off tension part, cleaning troughs, a compounding part, a cooling trough, a universal rolling part, a taking-up tension part and a taking-up part, wherein the paying-off part, the paying-off tension part, the cleaning troughs, the compounding part, the cooling trough, the universal rolling part, the taking-up tension part and the taking-up part are sequentially arranged. The paying-off part comprises a plurality of paying-off frames, the paying-off tension part comprises a plurality of tension control mechanisms, and the compounding part comprises a compounding body and a bidirectional rolling mechanism, wherein a plurality of wire inlet rails are arranged on the side, located at the cleaning troughs, of the compounding body, a wire guiding nozzle is arranged on the other side of the compounding body, and the bidirectional rolling mechanism is arranged on a wire outlet part of the wire guiding nozzle. The universal rolling part comprises a pair of horizontal rollers and a pair of vertical rollers, and the number of the paying-off frames is smaller than that of the tension control mechanisms. The compounded strip rolled by the rolling mill is good in surface quality and high in bonding strength, the strip is compounded laterally in three layers, the process is continuous and compact, and adjustment is easy and convenient.

The invention provides a composite pipe hydraulic expansion method, which comprises the following steps that (1) a plug provided with a sealing ring in the circumferential direction is inserted into an inner pipe; (2) sealing pressure liquid is introduced to a position between the plug and an inner ring of the sealing ring for sealing the end part of the inner pipe; (3) the expansion is carried out, before the expansion, a sleeve ring with the same inner diameter as an outer pipe of a composite pipe is arranged in a way of tightly pasting the end surface of the outer pipe of the composite pipe requiring the expansion, and in addition, the innermost end of the sealing ring is arranged outside the end surface of the outer pipe of the composite pipe. The sealing position exceeds the end surface of the outer pipe, so the pressure inside an inner pipe cavity can reach the end part of the outer pipe, and the combining quality is ensured. The defect of composite blind region reservation at the end part of the composite pipe manufactured in the prior art is overcome, and the composite pipe can be used without cutting off the blind region, so the cost is reduced in aspects of both materials and the process. The cutting is not needed, so great convenience is brought for the subsequent processing of external screw threads formed at the pip end of the composite pipe before the expansion.

The invention discloses a composite aluminum foil packing material of pearl wool. The composite aluminum foil packing material of pearl wool is prepared by curtain-coating and compounding a coating layer formed by pearl wool and an aluminum foil cast with a thickness of 15-40mum under temperatures 240 DEG C, 260 DEG C and 280 DEG C. An upper layer is the aluminum foil and a lower layer is the pearl wool. A coating material of the coating layer is a mixture of an adhesive and low-density polyethylene resin particles. The coating layer contains 30-45wt% of low-density polyethylene resin particles. The price of the low-density polyethylene resin particle is lower than that of the adhesive, so that the production cost of the composite aluminum foil packing material is reduced while the compound quality of the pearl wool and the aluminum foil is ensured.

The invention relates to a discontinuous flexible material fetching device and gluing and compounding equipment. The gluing and compounding equipment is used for compounding a plate-shaped material and a flexible material, and comprises a machine frame, a material charging device, a material fetching device, a glue coating device, an upper press roller, a conveying mechanism and an auxiliary compounding mechanism. When the gluing and compounding equipment works, the material charging device is used for providing the flexible material for a material fetching roller of the material fetching device; the material fetching roller is used for absorbing the flexible material and rotationally conveying the flexible material; the flexible material is flattened by a flattening plate and is sent to a glue discharging lip edge of the glue coating device and the material fetching roller; the flexible material is uniformly coated with the glue by the glue coating device, and is sent to the upper pressing roller and the material fetching roller; meanwhile, the conveying mechanism is used for conveying the plate-shaped material to the pressing roller and the material fetching roller to be compounded; after compounding, the compounded material is conveyed into the auxiliary compounding mechanism to be further compounded, so as to guarantee the compounding quality.

The invention discloses an expandable polyethylene (EPE) and aluminium foil compound packing material. The packing material is prepared by carrying out casting compounding on EPE and aluminium foil via a coating layer formed by mixing an adhesive and low-density polyethylene (LDPE) resin particles, wherein the upper layer is formed by the aluminium foil and the lower layer is formed by EPE; an aluminium foil layer can be also formed below EPE through casting compounding via a coating material of the coating layer; the usage amount of the LDPE resin particles accounts for 30-45% of the weight of the coating material; the thickness of an aluminium film is 15-40 mu m. The EPE and aluminium foil compound packing material has the effect of reducing the production cost while ensuring the compounding quality of EPE and aluminium foil since the LDPE resin particles have lower price than the adhesive.

The invention discloses a fabric compounding device with deodorizing and refreshing functions. The fabric compounding device comprises a machine shell; a compounding chamber and a deodorizing chamberare sequentially arranged in the machine shell in the material conveying direction; a feeding mechanism, a gluing mechanism, a pair of composite pressing rollers and a re-pressing mechanism are sequentially arranged in the compounding chamber in the material conveying direction; the feeding mechanism comprises an upper feeding line and a lower feeding line which are arranged up and down; the upperfeeding line comprises two pairs of first guide wheels, a pair of heating rollers and a pair of second guide wheels which are arranged in the conveying direction, and a cleaning structure is arrangedbetween the two pairs of first guide wheels; the lower feeding line comprises two pairs of first guide wheels and a pair of heating rollers which are arranged in the conveying direction, and a cleaning structure is arranged between the two pairs of first guide wheels. The fabric can be subjected to dust removal, preheating and softening before compounding, and glue is more uniform and deeply permeates the fabric; meanwhile, the re-pressing mechanism is arranged, the subsequent gluing and compounding quality is guaranteed, and a fragrance fumigator can be used for removing odor and fumigatingthe compounded fabric.

The invention provides a double-burner flame laminating machine. The double-burner flame laminating machine comprises a frame, two burners, a fixed pressure roller and a transmission mechanism. The fixed pressure roller is installed in the middle of the frame. Two movable pressure rollers are arranged respectively on the fixed pressure roller and a lower slide rail. The movable pressure rollers are connected respectively to cylinders. The cylinders drive the two movable pressure rollers so that the movable pressure rollers are respectively pressed to or separated from the fixed pressure roller. The two burners are arranged on the frame at two sides of the fixed pressure roller. The transmission mechanism comprises a motor, a chain wheel group, chains and a tensioning cylinder. A chain wheel on an output shaft of the motor is connected to a fixed pressure roller chain wheel, two movable pressure roller chain wheels, tensioning transition chain wheels and a tensioning sliding chain wheel by the chains. When the movable pressure rollers rise or fall, the tensioning cylinder drives the tensioning sliding chain wheel to move synchronously so that the chains are always in a tensioning state and thus synchronous rotation of the two movable pressure rollers and the fixed pressure roller is guaranteed. The double-burner flame laminating machine has a reasonable structure, is convenient for operation, realizes one-step compounding of a surface material, an inner material and sponge, improves production efficiency and guarantees compounding quality.

The invention discloses a novel compound aluminum foil air bubble film which is formed by compounding an air bubble film and an aluminum foil through a coating layer formed by mixing an adhesive and low-density polyethylene resin particles in a tape casting manner, wherein the upper layer is the aluminum foil, and the lower layer is the air bubble film; another layer of aluminum foil can be further compounded below the air bubble film through a coating layer in a tape casting manner; the use amount of the low-density polyethylene resin particles is 60 percent of the weight of a coating material; each aluminum foil is 50 microns in thickness; and the diameter of each air bubble body of the air bubble film is 2mm. As the price of the low-density polyethylene resin particles is lower than that of the adhesive, a novel compound aluminum foil air bubble film packaging material provided by the invention guarantees the compounding quality of the air bubble film and the aluminum foil, and the production cost is reduced.

The invention discloses a novel tape-cast composite non-woven fabric colorful membrane which is prepared by compounding a non-woven fabric with a color membrane through tape casting of a coating layer formed by a mixture of an adhesive and a low density polyethylene resin particle, wherein an upper layer is the color membrane, a lower layer is the non-woven fabric, the usage amount of the low density polyethylene resin particle accounts for 15 to 30% of the weight of a coating material, and the thickness of the color membrane is 8 to 15 mu m. Since the low density polyethylene resin particle is cheaper than the adhesive, the non-woven fabric color membrane provided by the invention has reduced production cost while the compounding quality of the non-woven fabric and the color membrane is ensured.

The invention provides a fully automatic valve welding and bag making machine. The lengths of hot-press parts of an upper heating die 9 and a lower heating die 10 of the bag making machine are 1680 mm, a 800 mm long buggy bag can be machined at one time, multi-time delivering is not needed, and 22 finished products are produced every minute; a buckle locating mechanism is arranged on the bag making machine, a position of a buckle is located during conduction from buckle to a membrane material to prevent deviation of the buckle, the composite quality of the buckle and bag membrane is ensured, and then the quality of a product is promised; and the fully automatic valve welding and bag making machine includes a rack, a feeding device, a drafting device, a hole cutting and valve welding device, a buckle composite device, a horizontal sealing device and a cutting device, wherein the front side and the rear side of the buckle composite device are provided with a first material guiding rollerand a second material guiding roller, the buckle locating device and a third material guiding roller are arranged between the buckle composite device and the first material guiding roller, the bucklelocating device includes an upper pressing roller and a swing rod, a ring-type groove matched with the width of the buckle is arranged on the periphery of the upper pressing roller, and a torsion spring sleeves a rotating shaft.