1109results about "Moulds" patented technology

The invention relates to the technical field of tunnel engineering prefabricated part production, in particular to a large-diameter duct piece independent kiln assembly line conveying prefabricating method and system. S2, a reinforcement cage and an embedded part are installed; s3, concrete is precisely poured and vibrated; s4, pre-curing and surface treatment; s5, carrying out roller way type flow conveying; s6, hydration heat-driven dynamic maintenance is carried out; and S7, demolding and finished product detection. And S8, mold circulation. According to the large-diameter duct piece prefabricating production line, through technical innovation in multiple aspects of mold, conveying, maintenance, control and the like, the core technical problem in existing large-diameter duct piece prefabricating production is solved, high-precision, high-efficiency, low-energy-consumption and green production of large-diameter duct pieces is achieved, and the large-diameter duct piece prefabricating production line has remarkable technical advantages and wide application prospects and is suitable for large-diameter duct piece prefabricating production. The method can be widely applied to infrastructure construction projects such as shield tunnels, open caisson projects and underground comprehensive pipe galleries.

The invention provides a prefabricated part forming mold for bank protection construction, and belongs to the technical field of bank protection mold production. Comprising a mold body, a bottom mold plate is arranged at the bottom end of the mold body, and a base is arranged at the bottom end of the bottom mold plate; a nursing assembly is arranged at the lower end of the bottom template and is used for spraying a release agent on the inner wall of the mold body and cleaning residues and release agent residual liquid on the inner wall of the mold body; a solid-liquid separation assembly is arranged at the bottom end of the nursing assembly and is used for separating residues from cleaned sewage; and a connecting assembly is arranged at the bottom end of the solid-liquid separation assembly and used for connecting the mold body with a demolding mechanism and demolding the molded pre-component. The inner wall of the mold is automatically coated with a release agent in advance through the nursing assembly, cleaning water is automatically sprayed in time in the demolding process, automatic cleaning is achieved in cooperation with the cleaning ball, the cleaning brush and other structures, and the situation that the subsequent concrete forming quality is affected by dirt residues is avoided.

The utility model relates to the technical field of prefabricated box girder production, in particular to a movable prefabricated box girder bottom formwork system which comprises multiple sets of equipment bases, a supporting frame is arranged between the left set of equipment bases and the right set of equipment bases, the upper side of the supporting frame is fixedly connected with a bottom formwork, and the upper side of each equipment base is provided with an adjusting assembly. The adjusting assembly comprises a first hydraulic cylinder, a positioning frame, a second hydraulic cylinder, a first side plate, a supporting block, a limiting rod, a second side plate, a limiting clamping block, a cross beam and a sleeving groove, multiple sets of transverse positioning sliding grooves are formed in the upper surface of the equipment base, multiple sets of positioning sliding blocks are fixedly connected to the lower surface of the positioning frame, and the positioning sliding blocks are in sliding connection with the positioning sliding grooves; the first hydraulic cylinder pushes the positioning frame to slide on the surface of the equipment base to quickly adjust the distance between the templates on the left and right sides, and meanwhile, the second side plate slides up and down on the surface of the limiting rod, so that the heights of the templates on the left and right sides are quickly adjusted, the sizes of the templates are conveniently adjusted, and the preparation efficiency of the prefabricated box girder is improved.

The utility model relates to the technical field of ceramic molds, and discloses a cooling device for ceramic mold forming, which comprises a bottom plate, the four supporting legs are fixedly connected to the bottom surface of the bottom plate; the top surface of the supporting frame is fixedly connected with a first electric push rod, the bottom end face of an output rod of the first electric push rod penetrates through the top surface of the supporting frame and extends to the inner side of the supporting frame, and the top surface of the supporting rod is fixedly connected with a connecting frame; the upper mold and the lower mold are fixedly installed on the bottom end face of an output rod of a first electric push rod and the top face of the connecting frame correspondingly, and the bottom face of the inner side of the connecting frame is fixedly connected with a pushing assembly. And a cooling assembly is arranged on the outer side of the lower mold. And through the cooling assembly, a rotating cylinder rotates to drive a ventilation pipe and a cooling pipe to rotate, so that the cooling pipe uniformly cools the bottom surface and the side surface of the lower mold, the phenomenon of non-uniform cooling caused by cooling of one surface of the lower mold is avoided, and the cooling effect of the device on ceramic mold forming is improved.

The invention relates to the technical field of wine bottle processing, and discloses a purple sand wine bottle capable of accelerating aging of a white spirit body, a preparation device and a method.The preparation device of the purple sand wine bottle capable of accelerating aging of the white spirit body comprises an operation frame, a rotating disc is rotationally arranged on the inner side of the operation frame, and the preparation device further comprises a mold assembly installed at the top of the rotating disc; a uniform scraping assembly is installed at the top of the rotating disc, the mold assembly comprises two bottle body mold plates symmetrically arranged at the top of the rotating disc in a sliding mode, bottle cavities are formed in the inner sides of the bottle body mold plates, a bottle bottom mold plate is installed between the bottle body mold plates, and the bottle bottom mold plate and the two bottle body mold plates are combined to form the purple sand wine bottle mold. Efficient continuous production of purple sand wine bottle blanks is achieved through automatic equipment, grouting, stirring, standing, slurry pouring and even scraping are all completed through mechanical linkage, meanwhile, the mold assembly and the even scraping assembly cooperate, the structural integrity and micropore uniformity of finished wine bottles are improved, and reliable guarantee is provided for stable curing of white spirit.

The invention discloses a UHPC sheath pouring mold for a pile foundation and a pouring method of the UHPC sheath pouring mold, and relates to the technical field of building construction equipment. A protection assembly for improving the structural strength of the pile foundation is arranged on the outer side of the pile foundation; the outer side of the protection assembly is wrapped with a pouring mechanism for conducting pouring preparation on the protection assembly, the pouring mechanism comprises an inner mold, and two outer molds are symmetrically installed on the outer side of the inner mold; the protection assembly comprises a supporting framework placed between an interlayer of the outer mold and an interlayer of the inner mold, and the outer side of the supporting framework is wrapped with an inner steel mesh and an outer steel mesh. The pouring mechanism is matched with pouring of concrete grout to prepare the protection assembly, then the protection assembly is carried and installed on the outer side of the pile foundation, and the structural strength of the pile foundation is improved. The UHPC sheath pouring mold for the pile foundation and the pouring method of the UHPC sheath pouring mold have the effects of high performance, high structural strength and high protection capacity.

The utility model relates to the technical field of tubular molds, in particular to an assembly type tubular mold device which comprises a base, an inner mold plate is arranged on the base, outer mold plates are arranged on the base and located on the outer side of the inner mold plate, the number of the outer mold plates is multiple sets, the outer mold plates are sequentially arranged in the circumferential direction, rib plates are fixedly arranged on the two sides of the outer mold plates, and multiple sets of locking grooves are formed in the rib plates at intervals. A pouring cavity is defined by the inner formwork and the outer formwork, a bottom ring is arranged at the bottom of the pouring cavity of the base, multiple sets of fixing rods are fixedly arranged on the outer side of the outer formwork at intervals in the circumferential direction, pulleys are arranged at the bottoms of the fixing rods, guide rails are arranged on the periphery of the base, and sliding grooves matched with the pulleys are formed in the side faces of the guide rails. According to the device, the pulleys are arranged at the bottom of the outer formwork, so that the outer formwork can horizontally slide along the guide rails on the periphery of the base, the outer formwork can be conveniently separated and combined, and the splicing speed is increased.

The invention discloses a secondary structure constructional column concrete pouring device, and relates to the technical field of constructional column pouring, the secondary structure constructional column concrete pouring device comprises a movable base, the top end of the movable base is provided with a concrete storage tank, one end of the top of the movable base is provided with a vibration compacting mechanism, and the vibration compacting mechanism comprises a rack; according to the device, a formwork of a constructional column is intermittently knocked from the outer side, vibration force is transmitted to concrete poured in the formwork, and the concrete is vibrated, so that the concrete is compactly combined, bubbles in the concrete are eliminated, and the construction quality of the constructional column is improved. And the vibrating operation is carried out on the outer side of the template, so that the operation is more convenient, the vibrating operation is transferred to the outer side, is not limited by the pouring operation space of the constructional column, and is not in direct contact with the concrete, and the situation that part of concrete is adhered or drips after the vibrating is finished, and time is consumed for cleaning is prevented.

The invention discloses a prestressed laminated slab as well as a manufacturing method and a using method thereof, and belongs to the technical field of constructional engineering. The prestressed laminated slab comprises a transverse pipeline, a prefabricated concrete bottom plate, reinforcing ribs, longitudinal prestressed tendons and transversely distributed steel bars, the transverse pipelines are arranged at intervals in the first direction, are partially embedded in the prefabricated concrete bottom plate and are parallel to the second direction; longitudinal prestressed tendons and transverse distributed steel bars are arranged in the prefabricated concrete bottom plate. The reinforcing ribs are arranged at intervals in the first direction, and the bottoms of the reinforcing ribs are fixed to the prefabricated concrete bottom plate. The first direction is the length direction of the precast concrete bottom plate, and the second direction is the width direction and is perpendicular to the precast concrete bottom plate. The reinforcing ribs can adopt various structures such as concrete ribs and steel pipe trusses, and light material blocks are arranged on the prefabricated concrete bottom plate and arranged in an area defined by the reinforcing ribs and the transverse pipelines. The manufacturing method comprises the following steps: cleaning a mold table, assembling the mold, distributing the reinforcements, tensioning, fixing the pipeline and the reinforcing ribs, pouring, maintaining and the like. During use, the two-way prestressed floor slab is formed through hoisting, pipeline connection, reinforcement, reinforcement penetrating, pouring, tensioning and grouting. The problems that an existing laminated slab is poor in stress performance, prone to cracking, insufficient in bonding strength and the like are solved, bidirectional prestress design, consistent bidirectional rigidity of a floor system and bidirectional force transmission performance are achieved, the integrality and crack resistance of a floor slab are improved, the self weight is reduced, the steel consumption is reduced, the construction process is simplified, and the laminated slab is suitable for large-span and heavy-load building scenes.

The invention relates to a handling device (100) for lifting and / or pivoting or turning concrete elements, in particular prefabricated concrete parts (400), and to concrete elements, in particular prefabricated concrete parts, for use in conjunction with such a handling device (100). The invention further relates to a moulding device (500) for producing such concrete elements, in particular prefabricated concrete parts.

The utility model provides a concrete pipe preparation mold, belongs to the technical field of preparation molds, and aims to solve the problems that when an existing concrete pipe preparation mold is used for demolding, if an outer cylinder shakes, the outer cylinder possibly damages a poured and formed concrete pipe, so that the product quality is influenced, and the product quality is influenced. According to the technical scheme of the utility model, the number of the bottom plates is two. The outer cylinder is placed on the upper end surfaces of the two bottom plates; the reinforcing ribs are fixedly connected to the outer side of the outer cylinder; the inner cylinder is placed on the upper end surfaces of the two bottom plates; the hanging ring is fixedly connected to the upper end face of the inner cylinder. The combination mechanism is arranged on the upper end face of the bottom plate. The demolding mechanism is arranged above the bottom plate; through the arrangement of the device, the assembly of the bottom plate is completed, the working efficiency is improved, the demolding of the outer cylinder and the inner cylinder is also realized, the working efficiency is also improved, and the labor intensity is also reduced.

The invention discloses an anti-deformation high-strength inspection well prefabricating mold which comprises a base, an outer mold assembly is slidably mounted on a top plate of the base, an inner mold assembly is mounted at the position, in the center of the outer mold assembly, of the base, a demolding assembly is mounted in the inner mold assembly, sliding assemblies are mounted on the two sides of the bottom of the outer mold assembly, and sliding ways are mounted at the positions, corresponding to the sliding assemblies, of the base. The sliding assembly is slidably arranged on the slide way. Through the longitudinal reinforcing ribs and the transverse reinforcing ribs, a stable net-shaped reinforcing structure is formed, side pressure generated on the arc-shaped outer formwork in the concrete pouring process can be effectively dispersed, damage such as bending, deformation and cracking caused by uneven stress of the arc-shaped outer formwork is avoided, the structural stability and deformation resistance of the mold are remarkably improved, and the service life of the mold is prolonged. The reinforcing rib forming grooves which are perpendicularly crossed are formed in the inner side wall of the arc-shaped outer formwork, corresponding outer wall reinforcing ribs can be formed on the outer wall of the inspection well during concrete pouring, and the structural strength of the formed inspection well is effectively enhanced.

The utility model discloses an inorganic imitation stone heat preservation inorganic imitation stone plate preparing and forming device which comprises a bearing plate, a fixed baffle is fixedly installed at one end of the outer wall of the top of the bearing plate, a forming assembly is installed outside the fixed baffle, and the forming assembly comprises a first movable baffle, the first movable baffle is perpendicular to the fixed baffle, a second movable baffle perpendicular to the first movable baffle is inserted into the first movable baffle in a sliding mode, a third movable baffle perpendicular to the second movable baffle is inserted into the second movable baffle in a sliding mode, the fixed baffle is sleeved with the third movable baffle in a sliding mode, and the third movable baffle is perpendicular to the fixed baffle. By arranging the forming assembly, the size of the containing space can be adjusted according to the model of the imitation stone plate to be manufactured, so that the device can adapt to manufacturing of imitation stone plates of different specifications, forming pools of various models do not need to be adopted, and the adaptability of the device is improved.

The utility model relates to the technical field of dies, and discloses a ceramic arc-shaped plate pressing die which comprises a lower die and an upper die, the upper die is arranged above the lower die, a hydraulic rod is arranged between the upper die and the lower die, the hydraulic rod is fixed in the inner wall of the lower die, a baffle is installed on the lower die, and a side plate is installed on one side of the lower die. The ceramic arc-shaped plate pressing mold is composed of the lower mold body and the upper mold body, the upper mold body is connected with the lower mold body through the hydraulic rod, in the opening and closing process of the upper mold body and the lower mold body, the baffle blocks the formed arc-shaped ceramic plate, adhesion between the arc-shaped ceramic plate and the upper mold body is avoided, and meanwhile the upper mold body is arranged on the first connecting piece. And under the connection cooperation of the second connecting piece, the connecting rod, the first positioning shaft and the second positioning shaft, the push rod can be shifted, so that the push strip pushes the arc-shaped ceramic plate on the lower die, and finally, blanking is completed.

The batch box culvert pouring mold comprises an outer mold unit and an inner mold unit, the outer mold unit comprises a base, a bottom plate, two sets of side plates, a top plate and a rear plate, the rear plate and the bottom plate are integrally formed, the side plates are connected with the top plate and the bottom plate through telescopic rods, and the surfaces of the side plates are provided with third protrusions and U-shaped plates with fourth protrusions; the inner mold unit comprises an inner forming mold, a moving rod and a linkage plate, the linkage plate is provided with a first protrusion and a second protrusion, and a sleeving frame with a convex attaching strip is detachably fixed in an annular groove of the inner forming mold through a screw. After concrete is poured and solidified through the top plate injection groove, the moving rod drives the internal forming mold to drive the linkage plate to act, approaching positioning and separation of the side plates are achieved through linkage of the protrusions, the box culvert is moved out along with the inner mold by means of friction force of the attaching strips, and the box culvert and the inner mold can be separated by disassembling the screw. The demolding process is simplified, automatic operation is achieved, the labor intensity is reduced, the continuity, stability and forming quality of batch production are guaranteed, and the mold is suitable for a box culvert batch production scene.

The utility model discloses a vertical mold for a large-span prefabricated stair, relates to the technical field of stair molds, and aims to solve the problem that time and labor are consumed in the butt joint mode of an existing movable mold and a fixed mold. A moving assembly is arranged between every two adjacent rails and connected with a movable mold, and the movable molds and the fixed molds are connected through quick connecting mechanisms. Through the design of the quick connecting mechanism, when the fixed mold and the movable mold are in butt joint and the end head penetrates through the inserting piece, the inserting piece is inserted into the groove under the action of the spring, so that the fixed mold and the movable mold can be in butt joint quickly, and through the design of the round corners at the edges of the groove and the inserting piece, only the connecting rod needs to be rotated by 90 degrees when limiting is released. Compared with a connection mode in the prior art, the connection and disconnection mode of the design scheme is convenient and fast, and time and labor are saved.

The invention discloses a modular adjustable formwork device for a segmental beam, and relates to the technical field of segmental beam formworks, the modular adjustable formwork device comprises a fixed formwork, side formwork assemblies are arranged on the two sides of the outer surface of the fixed formwork, a moving assembly is arranged at the bottom of the fixed formwork, and a debugging formwork assembly is arranged between the fixed formwork and the side formwork assemblies; and the debugging template assembly comprises four first rotating rods. According to the modular adjustable formwork device for the segmental beam, a first rotating rod and a second rotating rod are driven to rotate, the first rotating rod and the second rotating rod can drive a first movable formwork and a second movable formwork to move, and the outer surfaces of one sides of the first movable formwork and the second movable formwork are attached to the outer surface of a fixed formwork; the outer surface of the other side of the first movable formwork and the outer surface of the other side of the second movable formwork are attached to the outer surface of the side formwork, and therefore the segmental beam formwork can be adjusted.

The utility model discloses a pneumatic auxiliary device for quick demoulding in a precast beam field, which belongs to the technical field of precast beams and comprises two precast beam moulds, a plurality of equidistant auxiliary frames are embedded in the middle ends of the two precast beam moulds, and the outer sides of the two rows of auxiliary frames are provided with shunting pipes. A guide pipe is fixedly connected between the output end of the flow dividing pipe and the outer side of each auxiliary frame. The sealing rubber sleeve and the pushing piece are sequentially connected in the auxiliary frame in a sealed and sleeved mode, when the precast beam is prepared to be demolded, the air pipe introduces air into the flow dividing pipe, then the sealing rubber sleeve longitudinally extends through air pressure, the second rectangular frame plate and the pushing piece are pushed outwards, separation of the precast beam and the precast beam mold is facilitated, and the production efficiency of the precast beam is improved. And later, the air pressure enables a plurality of material pushing air bags of the pushing piece to expand and bulge, demolding of the precast beam is further assisted, and a flow control valve is fixedly arranged in the guide pipe, so that each part of the precast beam is synchronously demolded during demolding, and non-uniform force caused by asynchronous demolding is avoided.

The application provides a core mold and a prefabricated room integrated pouring mold, and relates to the prefabricated room forming technical field.The core mold comprises a core mold body and a linkage unit.The core mold body comprises an inner bottom mold.The edge of the inner bottom mold comprises a corner part and a side edge part.The corner part is detachably connected with a corner mold, and the side edge part is detachably connected with an inner side mold.The linkage unit is connected with the corner mold and the inner side mold, and is configured to drive multiple corner molds to gather or disperse, and drive multiple inner side molds to gather or disperse.The core mold can improve the processing efficiency of the pouring mold.

This application relates to a preparation mold and method for gel casting of reaction-bonded silicon carbide barrels, belonging to the field of silicon carbide product technology. It includes an inner cylinder, an outer tube, and an outer cylinder. The outer tube is sleeved outside the inner cylinder. One end of the inner cylinder extends out of the outer tube and is connected to a first base plate. The outer tube abuts against the surface of the first base plate. A first molding cavity is formed between the inner wall of the outer tube and the outer wall of the inner cylinder. The first molding cavity is used for pouring paraffin wax and forming the inner barrel mold. The inner diameter of the outer cylinder is larger than the diameter of the inner barrel mold. A second base plate is provided on the inner wall of one end of the outer cylinder. After the inner barrel mold is inserted into the outer cylinder, it abuts against the second base plate. A second molding cavity is formed between the inner wall of the outer cylinder and the outer wall of the inner barrel mold. The second molding cavity is used for pouring gel-based sauce and forming the silicon carbide barrel blank. This application has the effect of improving the removal efficiency of the inner mold and the forming quality of the inner wall of the silicon carbide barrel blank in the gel casting process.

The invention relates to the technical field of ceramic substrate manufacturing, in particular to a ceramic substrate and a manufacturing method thereof.The method comprises the following steps that firstly, a monomer, a cross-linking agent and a solvent are stirred and mixed according to the proportion, and preparation of premixed liquid is completed; step 2, performing ball-milling treatment on a dispersing agent, and adding the dispersing agent subjected to ball-milling into the premixed liquid in proportion; step 3, carrying out ball-milling treatment on the powder, and adding the ball-milled powder into the premixed liquid in proportion; 4, stirring the premixed liquid and the dispersing agent and the powder in the premixed liquid; step 5, adding an initiator into the premixed liquid and carrying out defoaming treatment on the premixed liquid; step 6, adding the de-foamed raw materials into the cavity of the mold; and step 7, cooling and solidifying the raw materials in the cavity of the mold to complete manufacturing of the ceramic substrate, and the method can be used for simultaneously processing a plurality of ceramic substrates.

The utility model discloses a prefabricating device of a pi-shaped beam plate, which comprises an outer side mold and an inner tube mold, a concrete pouring cavity is arranged between the inner tube mold and the outer side mold, and the inner tube mold is connected with the outer side mold through a support. The inner tube mold is provided with a bottom mold and at least two box-type bodies, each box-type body is composed of a top inner mold and four side inner molds, corner molds are arranged between the adjacent side inner molds and between the side inner molds and the top inner mold, the side inner molds are hinged to the bottom mold, the bottom mold is firmly fixed to the ground through foundation bolts, and the adjacent top inner molds are connected through connecting plates. The top inner mold, the side inner mold and the box-type body are arranged to form a closed box-type structure, the vertical linkage rod and the horizontal linkage rod are arranged to be matched with the hydraulic jack to form a hydraulic connecting rod type detachable split inner mold, and the situation that a mold plate is deformed due to high temperature and demolding adsorption force is generated is avoided.

The utility model discloses a prefabricated column mould convenient for adjusting the spacing point position of embedded steel bars, which belongs to the technical field of building construction, and comprises a lateral steel mould lower part, a lateral steel mould upper part and splicing moulds which are arranged on a steel mould table top, and the lateral steel mould lower part, the lateral steel mould upper part and the two groups of splicing moulds are enclosed to form a cavity on the steel mould table top; the assembling die comprises an upper assembling steel die, a structural assembling steel die and a variable assembling steel die which are connected through steel plates and steel cushion blocks, the upper assembling steel die is located on the uppermost portion, a plurality of die drawing pieces are arranged at the top of the upper assembling steel die, and every two opposite die drawing pieces are connected through opposite-pulling screws; the structural assembly steel die and the variable assembly steel die are located below the upper assembly steel die. According to the prefabricated column mold convenient for adjusting the spacing point positions of the embedded steel bars, the flexible adjustment of the spacing point positions of the steel bars is realized through three groups of reasonably designed assembling molds (an upper assembling steel mold, a structural assembling steel mold and a variable assembling steel mold).

The invention discloses a common production line for concrete electric poles and tubular piles. The common production line comprises a material distribution room, a production room, a mold removal room, a universal mold treatment room, an independent mold treatment room, a universal material preparation room, an independent material preparation room and a mold closing room. The production room is located on the side face of the material distribution room, and the universal mold processing room and the universal material preparation room are sequentially arranged on the side face of the material distribution room and used for cleaning and assembling electric pole molds or pipe pile molds. The universal mold processing room and the universal material preparation room are adjacent to the production room in the longitudinal direction; the independent mold treatment room and the independent material preparation room are sequentially arranged in the transverse direction and are adjacent to the universal mold treatment room; the mold removal room is located in the universal mold treatment room and extends into the production room and between the independent mold treatment room and the independent material preparation room in the longitudinal direction; the mold closing room is located on the side face, close to the material distribution room, of the universal mold processing room and extends into the production room; and a plurality of hoisting devices for hoisting the molds are also arranged above the production line.

The invention relates to the technical field of forming dies for manufacturing building prefabricated parts, and particularly discloses a low-shrinkage wallboard prefabricating forming die, a production method and a low-shrinkage wall.The low-shrinkage wallboard prefabricating forming die comprises a frame shell and a base, and the base is provided with two face formworks and two side formworks; a pouring cavity with an upward opening is defined by the base, the two face formworks and the two side formworks, an opening is formed in the bottom side of the frame shell, a plurality of long-strip-shaped open holes are formed in the bottom side of the frame shell, and a plurality of strip-shaped elastic air bags are arranged in the frame shell. According to the production method of the low-shrinkage wallboard, the outer wallboard and the inner layer board are poured and formed in sequence, the shrinkage deformation of the outer wallboard is small, the heat preservation effect of the low-shrinkage wallboard is guaranteed, the cutting area of the outer wallboard in the wire arrangement process of the low-shrinkage wallboard is small, and the cracking risk of the repaired position after the outer wallboard is repaired is reduced.

The rapid demolding and cleaning device comprises a base, a movable formwork assembly is arranged on the outer wall of the base, a material guiding mechanism is arranged on one side of the movable formwork assembly, and a bottom formwork is hinged to the middle of the top end of the base through a first hinge; a second electric cylinder is hinged to one side of the bottom end of the bottom formwork through a second hinge, the bottom end of the second electric cylinder is hinged to the surface of the top end of the base through a third hinge, and the movable formwork assembly comprises a supporting frame. Through cooperation of the movable formwork assembly and the auxiliary demolding mechanisms, after a concrete prefabricated part is formed, the movable formwork assembly drives the movable formwork frame to move so that the movable formwork frame can be separated from the prefabricated part, then the downward pressing formwork moves upwards, the two auxiliary demolding mechanisms are matched, and the prefabricated part can be separated from the downward pressing formwork and the bottom formwork; it is ensured that the concrete prefabricated part and the formworks are rapidly separated, the formworks are matched with one another, multi-face demolding of the prefabricated part is reduced, and the machining efficiency of the prefabricated part is improved.

This utility model provides a rapid demolding device for gypsum products, belonging to the field of gypsum products. It includes a mounting box, a motor, and a sliding rod. A top plate is fixedly mounted on the top of the mounting box via a column. An upper template is movably mounted on the bottom of the top plate. An mounting sleeve is fixedly mounted inside the mounting box. A threaded rod is rotatably mounted inside the mounting sleeve. A moving rod is threadedly mounted on the outer side of the threaded rod. A roller is rotatably mounted on the top of the moving rod. This utility model uses the rotation of the motor output to drive the threaded rod to rotate synchronously inside the mounting sleeve. Through the threaded engagement between the threaded rod and the moving rod, the moving rod moves, causing the roller to press against the movable groove. This causes the wedge block to press upwards, and the moving rod to move the pressing plate upwards, pushing the gypsum product inside the mounting box, thereby enabling the demolding operation.

The invention relates to the technical field of flue forming machines, and particularly discloses an automatic composite lining laying and positioning device for a flue forming machine. Comprising a fixed side plate, a hydraulic push rod is fixedly connected to one side of the fixed side plate, a driving shaft of the hydraulic push rod penetrates through the fixed side plate and is fixedly connected with a built-in connecting plate, a frame-shaped sliding plate is fixedly connected to the outer side of the built-in connecting plate, a side opening frame groove is formed in one side of the frame-shaped sliding plate, and a bottom supporting long plate penetrates through and is slidably connected to one side of the frame-shaped sliding plate; according to the automatic laying and positioning device for the composite lining for the flue forming machine, when the built-in composite lining moves in place, the frame-shaped sliding plate is driven by the hydraulic push rod to move back till the built-in composite lining is about to be separated from the side-opening frame groove, and the built-in composite lining is placed in the frame-shaped sliding plate. The bottom die sliding plate is driven by the transverse electric sliding rail to drive the built-in composite lining to move to a certain position, and then the positioning effect can be achieved.