37results about How to "Easy demoulding process" patented technology

The invention discloses a forming mold for composite material tubular parts with flanges. The forming mold for the composite material tubular parts with the flanges comprises a first combined mold anda second combined mold; the first combined mold is provided with a first pipe cavity and a first annular cavity; the first pipe cavity and the first annular cavity communicate with each other at theposition of a pipe port in one end of the first pipe cavity; the second combined mold is provided with a second pipe cavity and a second annular cavity; the second pipe cavity and the second annular cavity communicate with each other at the position of a pipe port in one end of the second pipe cavity; the first combined mold and the second combined mold are subjected to mold closing, and the firstannular cavity is made to communicate with the second annular cavity; and a forming method for using the forming mold to machine the composite material tubular parts with the flanges is disclosed. The forming mold has the beneficial effects that by performing combined design on the forming mold, in the forming process of the composite material tubular parts with the flanges, paving and pasting ofprepreg can be easier and faster, and operation is convenient; after curing molding of the tubular parts, demolding of the forming mold can be achieved easily, and operation is easy and convenient; and the production efficiency is improved, and practicability is high.

The invention provides a combined mold and a duct wall molding method. The combined mold for molding a duct wall comprises a core mold, a tile mold and a lug sheet mold, wherein the core mold is attached to the inner side surface of the tile mold, and the lower side of the core mold is tightly and fixedly connected to the lug sheet mold so as to carry out layer stacking molding on a prepreg. According to the present invention, through the combined mold, the whole mold is divided into the core mold, the tile mold and the lug sheet mold, and the core is attached to the inner side surface of thecore so as to retain the shape and ensure the rigidity of the whole mold through the core mold, such that the integrated molding of the duct wall can be completed by combing the core mold, the tile core and the lug sheet cold; and the demolding process is easy through the form of the combined mold.

The invention provides a mold of a worm with gears. The mold of a worm with gears comprises an upper mold with a thread injection molding cavity and a lower mold with a gear injection molding cavity; the upper mold is internally provided with a first insert; the thread injection molding cavity is arranged in the first insert; the first insert is rotatably arranged in the upper mold; the thread injection molding cavity is arranged in a rotatable first insert; when in demoulding, the first insert in the rotatable mold can be rotated to enable a screw part of a worm with gears to be demoulded smoothly, so that a thread injection molding product can be demoulded directly for the mold depending on the structure of the mold, and the demoulding difficulty is lowered; a push plate is arranged between the upper mold and the lower mold; the push plate is provided with a connecting part containing cavity for connecting the thread injection molding cavity and the gear injection molding cavity; the end part of the worm with gears is of a gear structure, therefore, a push plate structure is arranged in demoulding, and demoulding push force is applied to gear parts of the push plate structure in demoulding, so that products can be demoulded easily.

The invention belongs to a demolding device, and in particular relates to a demolding jacking system for a pre-tensioning method prestressed concrete track board production line and an application thereof. The demolding jacking system comprises a control device, a locking mechanism, jacking mechanisms and a precise positioning mechanism, wherein the control device receiving collected signals in mold moving and mechanism working processes controls actions of the mechanisms; the jacking mechanisms are arranged on the inner side of the locking mechanism and are symmetrically distributed along thecenter line of a mold to form a rectangular supporting face concentric to the center of a track board for the track board in the mold; each of the jacking mechanisms comprises a jacking jack which isfixed to a base and corresponds to the lower end of a demolding jacking column in the mold, and a displacement sensor and a hydraulic sensor are separately arranged on the jacking jack and a hydraulic loop thereof. The demolding jacking system provided by the invention solves the technical problems that the technical demands of existing standards are unlikely to meet in the prior art, the productquality is hard to guarantee and the like effectively, and has the advantages of meeting the existing standard demands better, being compact in structural layout, high in demolding success rate, easyto implement automatic control and the like.

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 discloses an assembled mould structure with self-contained sliding core power, which comprises a fixed mould and a movable mould matched with each other, wherein the working face of the movable mould is encrusted with movable mould units, the middle part of each movable mould unit is provided with a movable cavity, and the periphery of each movable mould unit is provided with three sets of sliding core units at an interval of equal radian along the center of the movable cavity; each sliding core unit is equipped with a slide block, and the external end side of the slide block is provided with an obliquely arranged hollow lantern ring; the contact face of the fixed mould is embedded with fixed mould units, the middle part of each fixed mould unit is provided with a fixed cavity, and the periphery of each fixed mould unit is provided with three sets of driving units at an interval of equal radian along the center of the fixed cavity; and each driving unit is internally equipped with a protruded and obliquely arranged driving shaft. The assembled mould structure of the invention has the advantages that: by using the structure of splicing inclined shafts and sleeves, the operation of the slide blocks can be realized without other external power; the same module is equipped with four sets of module units; the processing efficiency is high; and all units are in bolted connection, so the maintenance is quick and convenient.

The invention discloses a household garbage bar making device. The household garbage bar making device comprises a hopper, a blender, an additive adding device, a quick lime adding device, a humidifying device, a conveying device, a bar making machine body, and a die cavity installing frame, wherein the blender is an upper opening type double-shaft blender with the transmission function, and the hopper is arranged on the front portion of the blender; the additive adding device, the quick lime adding device and the conveying device are all belt conveyors; the additive adding device, the quick lime adding device and a mist spraying water pipe are arranged on the upper space of the blender behind the hopper; one end of the conveying device is arranged under a discharging port of the blender, the other end is arranged above a filling port of the bar making machine body, and the bar making machine body comprises a rack. By means of the household garbage bar making device, smashed household garbage is blended and sterilized by adding quick lime, water and an additive are added into the household garbage to achieve a certain humidity and viscosity, then the household garbage is uniformly blended again to be conveyed to the bar making machine body and made into rod materials, meanwhile, the structure is simple, and the implementation is easy.

The invention provides a barrier layer for being arranged on the surface of a sintered mold for preparing foamed ceramics, the composition of the barrier layer includes quartz sand, zirconia, aluminum oxide, carbide and nitride, wherein the carbide It includes one or more of silicon carbide, tungsten carbide and boron carbide, and the nitride includes one or more of silicon nitride, boron nitride and tungsten nitride. The barrier layer is used to be arranged on the surface of a sintered mold for preparing foamed ceramics, and is characterized in that the components of the barrier layer include quartz sand, zirconia, aluminum oxide, carbides and nitrides, wherein the carbides include One or more of silicon carbide, tungsten carbide and boron carbide, and the nitride includes one or more of silicon nitride, boron nitride and tungsten nitride. The invention also provides a sintering mold and a preparation method of the sintering mold.

The invention discloses a tray mold capable of achieving injection molding of multiple bottom feet, and belongs to the technical field of injection molding. The problem that a common injection moldingtray mold can only make a tray is solved. The tray mold capable of achieving injection molding of multiple bottom feet comprises a movable mold and a fixed mold, the fixed mold is provided with multiple bottom column holes corresponding to the bottom feet, upper bottom columns in threaded connection with the bottom column holes are arranged in the bottom column holes, the movable mold is providedwith lower bottom holes corresponding to the upper bottom columns, the lower bottom holes penetrate the movable mold, round plugs are arranged in the lower bottom holes, the edges of the round plugsare attached to the inner walls of the lower bottom holes, one side of the movable mold is wedged with the fixed mold to form a mold cavity, an air cylinder is arranged on the other side of the movable mold, the air cylinder comprises a connecting rod, the other end of the connecting rod is in spiral connection with a fixed rod, and the round plug and the fixed rod are fixedly connected.

The invention relates to the field of shoe preparation, in particular to a preparation process for integrally formed shoes, which mainly solves the problem of poor connection firmness between the upper of the shoe and the sole in the prior art, and comprises the following steps: preparing the mold base of the shoe sole by injection molding; preparing the upper of the shoe ; set the upper of the shoe in the matching shoe last; prepare a secondary molding mold, which includes an upper mold, a middle mold, a lower mold and a fixing ring, put the shoe sole mold base into the lower mold, and fix the shoe last on the On the upper mold, set the fixing ring on the outside of the upper, and attach the fabric on the outer ring surface of the fixing ring, and finally push the upper mold to move downward and insert it into the through hole; through the secondary molding machine, the secondary The forming mold is vulcanized and heated, so that the sole mold base is foamed and formed; the upper part of the fabric and the connecting piece are welded by ultrasonic welding to form an integrated shoe.

The invention discloses a demolding device capable of being used for molding. The demolding device comprises a box body, a bracket, a pressurizing plate, a feeding base plate and a stud, wherein a blanking port is formed in the top plate of the box body, the feeding base plate is detachably installed on the box body and used for sealing the blanking port, the bracekt is installed on the box body,the stud is vertically installed on the braclet in a threaded mode, the pressurizing plate is rotatably installed at the bottom of the stud, and the stud rotates to drive the pressurizing plate to move in the direction close to or away from the top plate of the box body. The demolding device is simple in structure and convenient to realize demolding and molding of the inspection piece. In the demolding and molding process, the pressurizing plate is rotationally connected with the stud, after the pressurizing plate abuts against the detection piece and the stud rotates downwards, the pressurizing plate does not rotate, then the detection piece is prevented from rotating relative to the mold and abrasion of the detection piece is reduced.

The invention provides a mold of a worm with gears. The mold of a worm with gears comprises an upper mold with a thread injection molding cavity and a lower mold with a gear injection molding cavity; the upper mold is internally provided with a first insert; the thread injection molding cavity is arranged in the first insert; the first insert is rotatably arranged in the upper mold; the thread injection molding cavity is arranged in a rotatable first insert; when in demoulding, the first insert in the rotatable mold can be rotated to enable a screw part of a worm with gears to be demoulded smoothly, so that a thread injection molding product can be demoulded directly for the mold depending on the structure of the mold, and the demoulding difficulty is lowered; a push plate is arranged between the upper mold and the lower mold; the push plate is provided with a connecting part containing cavity for connecting the thread injection molding cavity and the gear injection molding cavity; the end part of the worm with gears is of a gear structure, therefore, a push plate structure is arranged in demoulding, and demoulding push force is applied to gear parts of the push plate structure in demoulding, so that products can be demoulded easily.

The invention discloses a demolding device and method for an electroforming thin-wall metal fixing tube, and belongs to the technical field of electro-chemical machining. The device mainly comprises a fixed hook, a master mold, a metal fixing tube, a suction pull head, a negative pressure generating unit, a supporting shaft and a base. Based on the device, firstly, the master mold with the metal fixing tube on the outer side surface is rotationally and detachably fixed on the base through the fixed hook and the supporting shaft; secondly, the negative pressure generating unit is started, and a handle is held by hand to tightly adsorb the suction pull head to the surface of the metal fixing tube; thirdly, the suction pull head is horizontally moved and the master mold is rotated until the adsorption point positions are completely distributed on the surface of the metal fixing tube; and finally, the metal fixing tube is pulled away from the master mold, demolding is completed, and the negative pressure generating unit is closed. The demolding device is simple, demolding is easy to achieve, the demolding effect is good, the efficiency is high, and the process cost is low.

The disclosure relates to a preparation device and method for a rock-soil model test piece, which includes a mold barrel, a hammering piece that can be inserted through the opening of the first end of the mold barrel, and a base that is detachably installed at the opening of the second end; it also includes a top The ejection mechanism, the ejection mechanism includes a top cover detachably fixed at the opening of the first end, the top cover is pierced with a ejector rod, driven by the linear drive mechanism, the ejector rod can extend into the mold barrel and move along the central axis of the mold barrel Do reciprocating linear motion. The disclosure can reduce the difficulty of preparing rock-soil model test pieces and improve the preparation quality of the test pieces.

The invention relates to the technical field of injection molds, and relates to a secondary ejection structure and method of a crank slider of an injection mold, including a crank slider mechanism, a push plate for pushing a movable mold upward to eject a product to a first distance, Shifting block and thimble block; the slider crank mechanism includes a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the base, the other end is hinged with one end of the second connecting rod through a hinge, and the other end of the second connecting rod is hinged. One end is hinged with the push plate; the hinge is slidable and located in the semi-crescent chute of the shifting block, the shifting block is fixedly connected with the thimble block, and the thimble block is fixed with a thimble for ejecting the product to the second distance. When the plastic product has a deep glue position on the movable mold side, the secondary ejection structure is simple and easy to realize product demoulding, and it has low cost, simple maintenance and high versatility. Achieve secondary ejection with fewer parts added. The processing and assembly of the added parts are easier. So as to achieve the effect of saving mold cost.

The invention discloses an assembled mould structure with self-contained sliding core power, which comprises a fixed mould and a movable mould matched with each other, wherein the working face of the movable mould is encrusted with movable mould units, the middle part of each movable mould unit is provided with a movable cavity, and the periphery of each movable mould unit is provided with three sets of sliding core units at an interval of equal radian along the center of the movable cavity; each sliding core unit is equipped with a slide block, and the external end side of the slide block isprovided with an obliquely arranged hollow lantern ring; the contact face of the fixed mould is embedded with fixed mould units, the middle part of each fixed mould unit is provided with a fixed cavity, and the periphery of each fixed mould unit is provided with three sets of driving units at an interval of equal radian along the center of the fixed cavity; and each driving unit is internally equipped with a protruded and obliquely arranged driving shaft. The assembled mould structure of the invention has the advantages that: by using the structure of splicing inclined shafts and sleeves, theoperation of the slide blocks can be realized without other external power; the same module is equipped with four sets of module units; the processing efficiency is high; and all units are in bolted connection, so the maintenance is quick and convenient.

The invention relates to a preparation device and method for a rock-soil model test piece. The preparation device comprises a mold barrel, a hammering piece capable of being inserted from an opening in the first end of the mold barrel, and a base detachably installed at an opening in the second end of the mold barrel. The device further comprises an ejection mechanism, the ejection mechanism comprises a top cover detachably fixed to the opening of the first end, an ejection rod is arranged in the top cover in a penetrating mode, and the ejection rod can be driven by a linear driving mechanism to stretch into the mold barrel and do reciprocating linear motion along the central axis of the mold barrel. The preparation difficulty of the rock-soil model test piece can be reduced, and the preparation quality of the test piece is improved.