44results about How to "Improve demoulding efficiency" patented technology

The utility model relates to round link technical field provides a kind of mould for the assembly of round link, including main body, the four corners of main body lower surface are fixedly provided with support, the upper surface of main body is provided with moving part, the upper surface of main body is provided with the frame matched with moving part, the four corners of frame outer surface are fixedly provided with limit electric push rod, the output end of each limit electric push rod is transmissionly provided with mounting block, and the inner angle of each frame is elastically provided with reset spring between mounting block outer surface, the surface of mounting block is provided with four-piece mould cover by quick-release component, four-piece mould cover is made of four groups of mould, the utility model discloses by adopting four-piece mould cover, when stripping, start limit electric push rod and drive mounting block to shrink, mounting block compresses reset spring and drives mould to move to outside, make four groups of mould separate, and realize quick stripping under the cooperation of diamond-like carbon film plating, improve the practicability and stripping efficiency of device.

This utility model discloses a mold for processing and casting hollow concrete bricks, relating to the field of fuel tank technology. It includes a base, with a mounting frame fixedly installed on the upper end of the base. A brick casting platform is fixedly installed on the upper end of the mounting frame. The brick casting platform has several through holes, each containing a movably inserted plastic block. One end of the plastic block is connected to a lifting drive assembly. A plastic template is installed on the upper end of the brick casting platform. Two sets of electric telescopic rods are fixedly installed on both sides of the mounting frame, with their drive ends fixedly installed on both sides of the plastic template. This utility model uses a drive cylinder to lower the mounting platform and the plastic block. The plastic block slides out of the brick casting platform through the through holes, and then the electric telescopic rods lift the plastic template, allowing workers to easily remove the formed hollow concrete bricks from the brick casting platform without sequentially removing the plastic template, thus improving demolding efficiency.

The utility model provides an electric front wall mold dense pitched roof demolding mechanism which comprises a front wall lower mold base, a mold core mounting groove is formed in the center of the front wall lower mold base, a front wall mold core is fixedly mounted in the mold core mounting groove, and a plurality of embedding grooves are formed in the surface of the front wall mold core at equal intervals. Insert blocks matched with the insert grooves in size are connected into the multiple insert grooves in an embedded mode, and angle ejector rods are detachably and fixedly installed at the bottom ends of the multiple insert blocks. According to the front wall mold core disclosed by the utility model, the plurality of embedding grooves are formed, the embedding blocks are embedded and connected in the plurality of embedding grooves, and the bottoms of the embedding blocks are connected with the inclined ejector rods, so that when the front wall lower mold base is separated from the front wall upper mold base, the plurality of embedding blocks can be pushed to move upwards through the inclined ejector rods, and the rapid demolding of the front wall of an electric vehicle can be realized; and the demolding efficiency of the electric vehicle front wall is improved.

The shutter automated demolding and transferring equipment and the prefabricated part production line of the application comprise a bearing beam, a walking unit, a lifting and pushing assembly, a shutter holding device and a control unit; the walking unit comprises an end beam, a cross beam and a first walking driving unit, the walking unit is connected across two bearing beams, and the first walking driving unit is used for driving the walking unit; the lifting and pushing assembly is connected with the cross beam; further comprising a first mounting seat, a first fork holding piece connected with the first mounting seat, a second fork holding piece, a first pushing assembly and a second pushing assembly, the first mounting seat is connected with the lifting and pushing assembly, the pushing end of the first pushing assembly is connected with the first fork holding piece, and the pushing end of the second pushing assembly is connected with the second fork holding piece; the first walking driving unit, the lifting and pushing assembly, the first pushing assembly and the second pushing assembly are all controlled by the control unit. The shutter demolding and transferring equipment of the application can meet the requirements of shutter automated demolding and transferring, and can effectively improve the production efficiency of the shutter and reduce the labor intensity.

The utility model belongs to building outer wall cleaning technical field, and disclose a kind of gas filter shell injection mold, including fixed mould seat plate, fixed mould plate, movable mould seat plate, movable mould plate, the fixed mould seat plate is fixedly connected with fixed mould plate, movable mould plate is fixedly connected with movable mould seat plate, through the demoulding mechanism being arranged in the inside of fixed mould plate, utilize telescopic cylinder to drive top plate to realize quick demoulding, avoid the damage of shell in demoulding process, improve demoulding efficiency and product pass rate;Spiral cooling channel design, the cooling efficiency of mould is significantly improved, and injection molding cycle is shortened, to improve production efficiency;The stirring mechanism in storage tank can fully stir raw materials, so that it is mixed evenly;Conveying auger ensures the stable conveying of raw materials, ensures the quality of injection molding product;The heating pipe of storage tank inner wall and the heat preservation layer of outer side wall can effectively control the temperature of raw materials, ensure the fluidity of raw materials, and save energy simultaneously.

The utility model belongs to high -voltage electric porcelain technical field, concretely is a kind of anti-deformation pottery clay wine jar forming die, including support frame, still include: spraying assembly is set to support frame top inside;Send mud component, is set to support frame top outside;Moving assembly is set to support frame both sides inside;Die is real component, is set to moving assembly moving end;The utility model provides a kind of anti-deformation pottery clay wine jar forming die, before the two sides pottery clay mould is real, and spraying release agent on pottery clay mould inner wall, and release agent can reduce pottery clay and the adhesion of mould, ensure that pottery clay smoothly demould, avoid deformation or damage, secondly, it helps to ensure that pottery clay wine jar keeps stable shape during forming process, avoid partial pressure and deformation, furthermore, release agent can improve demoulding efficiency, reduce friction, to speed up production process, it can also protect mould surface, reduce wear and tear, extend the service life of mould, and reduce maintenance frequency.

This utility model relates to a flip-type steam-pressurized concrete block rapid demolding mechanism, belonging to concrete block production technology. It includes a placement plate with support feet fixedly installed at its four lower corners. A lifting assembly is installed on one side of the upper end of the placement plate, and a fixed plate is installed on one side of the lifting assembly. A rotating plate is rotatably installed on one side of the fixed plate, and a receiving assembly for receiving the blocks is installed on one side of the rotating plate. A clamping and flipping assembly is installed on one side of the rotating plate, located on the side of the receiving assembly. This utility model, through the cooperation of the clamping and flipping assembly and the lifting assembly, can lift the mold containing the blocks to a high position and then flip it, allowing the blocks to fall onto the receiving assembly. This assists workers in demolding, reducing labor intensity and improving demolding efficiency. Furthermore, the clamping and flipping assembly can clamp molds of different sizes, improving the versatility of this structure.

The utility model discloses a kind of concrete precast column pouring moulds of easy adjustment, belong to concrete precast pile production technical field, including several middle part mould seats and two end part mould seats, the adjacent two middle part mould seats are used in cooperation, two end part mould seats are respectively attached and laid in the middle part mould seat side surface of the most front and rear position and last position, the middle part mould seat includes lower mould shell and upper mould shell that one below one is relatively laid and mutually attached and laid, the side surface of lower mould shell is fixedly installed with support, several bolts are screw-threadedly installed on the support, the both sides of the outer surface of lower mould shell and the both sides of the outer surface of upper mould shell are all fixedly installed with connecting seat;By setting two end part mould seats cooperate several middle part mould seats use, can select proper number of middle part mould seat according to the specification of concrete precast column, promote use universality, avoid the cost input of multi-specification mould, and operation adjustment is convenient.

The present application relates to a kind of acrylic polymer emulsion, its raw material composition and its preparation method and application, belong to building coating technical field.It includes the following weight parts of raw materials: pre-emulsion I 15-25 parts, pre-emulsion II 45-55 parts, emulsifier solution 10-20 parts, initiator solution 1-10 parts, post-processing solution I 1-5 parts, post-processing solution II 1-5 parts, adipohydrazide 0.5-2 parts, triethanolamine 1-5 parts.The acrylic polymer emulsion prepared in the present application has strong cohesion, elongation and elasticity, the soft porcelain prepared using the emulsion is not easy to break or remain when demolding after curing, thereby effectively solving the adhesion problem of soft porcelain on silica gel mold, and the acrylic polymer emulsion prepared in the present application itself has low odor, significantly reduces the peculiar smell of soft porcelain finished product, improves environmental protection and use experience.

The utility model relates to injection molding demoulding device technical field discloses an automatic demoulding device of injection product, including upper mould, the lower mould is provided with in the upper mould lower surface, the upper mould lower surface fixedly connected with guide rod, the inside of lower mould is established with forming groove, the inside of lower mould is provided with demoulding subassembly, the inside of lower mould is provided with cooling subassembly, the demoulding subassembly includes push rod and push board, the push rod side wall sliding connection in the inside of lower mould, the push board side wall fixedly connected on the upper surface of push rod, the push board side wall sliding connection in the inside of forming groove. In the utility model, the eccentric wheel will do eccentric circular motion with the connecting rod under the drive of motor, the connecting block swings under the drive of eccentric wheel, drives the rotating block to drive push rod to do up-and-down reciprocating motion in the inside of lower mould, with the push rod ascending, the injection product in forming groove is pushed out, and the demoulding efficiency of equipment is improved through above -mentioned structure.

The utility model discloses a Teflon lining hot press forming die for a fluorine lining valve, which relates to the technical field of fluorine lining valve dies, and comprises a base, the top end of the base is fixedly connected with a guide post, the outer side of the guide post is connected with an ejector plate in a sliding manner, and the top end of the ejector plate is provided with a plurality of ejector assemblies. And a jacking assembly is arranged on one side of the ejector plate. The ejector plate can be driven to move upwards to eject a workpiece through the jacking assembly, the demolding efficiency is improved, when the workpiece is ejected through the ejector assembly, the buffering effect can be achieved, the workpiece is prevented from being scratched in the ejection process, supporting force is gradually applied to the workpiece through the top end of the ejector rod, the workpiece is ejected out, and the demolding efficiency is improved. The top end of the ejector pin rod is stressed to drive the piston to move downwards, so that the spring is stressed to deform, meanwhile, liquid in the hydraulic supporting rod passes through the through hole, damping force is generated, and the buffering effect is achieved.

The utility model relates to a mould, specifically disclose a casting mould convenient to demould, including horizontal setting's lower mould plate, a plurality of recess moulds that set up in the upper side of lower mould plate, set in the upper side of upper mould plate of lower mould plate, a plurality of male die that set in the lower side of upper mould plate, set in the middle part of the upper side of lower mould plate's shunt groove, set in the demoulding module of shunt groove bottom, with the flow guide groove for connecting shunt groove and recess mould, set in the first runner of lower mould plate, and set in the second runner of the lower side of upper mould plate, recess mould and male die one to one, and the first runner is adapted with second runner, and the first runner and second runner all are linked with shunt groove, and the demoulding module is detachably connected with upper mould plate. The utility model discloses a casting mould convenient to demould, which can automatically assist demoulding after mould separation efficiently, and improve demoulding efficiency.

The utility model relates to the technical field of agricultural planting discloses an adjustable corn seedling raising tray, including tray and seedling raising tray, a plurality of positioning columns are fixedly installed in the bottom of tray, a plurality of bowl holders are fixedly installed in the bottom of tray, and the bowl holder inner cavity communicates with the tray inner cavity, a deformation cone cover is fixedly connected in the bowl holder, filter cloth is movably connected on the deformation cone cover, the connecting column is fixedly installed on the positioning column upper end, the rubber pad is fixedly installed on the connecting column upper end, the setting of tray can collect the redundant water generated when watering, and the cooperation of positioning column, connecting column and rubber pad. Through the setting of multiple connecting columns, rubber pads and positioning holes in the tray, the assembly of the tray and the seedling raising tray is facilitated, the deformation cone cover and the filter cloth arranged in the bowl holder can prevent the seedling root system from penetrating through the leakage hole and affecting the demolding, and the deformation cone cover that can be pulled down can improve the demolding efficiency of the seedling from the bowl holder.

This utility model belongs to the field of foam molding technology, specifically a foam molding rapid demolding device, including a base; a lower mold is provided at the center of the top of the base, a fixing frame is bolted to the top of the base, a hydraulic cylinder is bolted to the top of the fixing frame, the hydraulic rod of the hydraulic cylinder is bolted through the fixing frame and to an upper mold, a feed port is provided on the left side of the top of the upper mold, and an ejection assembly is provided in the inner cavity of the base; through the structural design of the motor, rotating shaft, gear, rack plate and ejection plate, after foam molding, the foam is quickly ejected from the lower mold, improving the demolding efficiency of the foam and avoiding damage to the foam during the removal process. When the motor is turned on, the motor drives the rotating shaft to rotate, the rotating shaft drives the gear to rotate, at this time the gear drives the rack plate to move upward, the rack plate drives the ejection plate to move upward, ejecting the foam out of the lower mold, completing the demolding.

This utility model provides a multifunctional cake layering and demolding device, relating to the field of food manufacturing technology. It includes a placement board with a top ejector port at the center of its top. A turntable is mounted outside the top ejector port, driven by a motor. A cake mold is placed on top of the turntable. Side plates are engaged on both sides of the top of the placement board, and telescopic controllers are installed in the center of each side plate. Telescopic controllers are connected to telescopic cylinder assemblies at their ends, and sliding plates are engaged at the ends of the cylinder assemblies. Through the height adjustment design of the sliding plates and sliding sleeves, the device can precisely adapt to the height differences of multiple cake layers. Combined with the top ejector plate, it smoothly lifts the cake, ensuring each layer is independently separated and preventing layer adhesion or surface damage. Compared to traditional methods of simply pushing out or tapping the cake, this device effectively solves the problem of cake structural damage during demolding, ensuring the integrity and aesthetics of the finished product. It is particularly suitable for the needs of professional baking and mass production.

This invention discloses a rapid cooling injection molding apparatus and process for plastic watch cases. The apparatus includes a housing, a driving component on one side of the housing, and a sliding housing sealed and installed inside the housing on one side. The sliding housing is slidably installed within a sealed cavity inside the housing and is driven by the driving component outside the housing, reciprocating along the length of the sealed cavity. An injection mold is vertically floating within the sliding cavity of the sliding housing. A sealing ring is located at the bottom of the outer surface of the injection mold and is movably sealed within a movable housing. This invention, by floating the injection mold within the sliding housing and sliding the sliding housing within a sealed cavity, effectively improves the injection molding quality, increases cooling efficiency, and enables rapid unloading of the molded product, eliminating the need for a complex mold structure.

The utility model provides a kind of gear transmission ejection device of binding and bandaging bowl pressing die stripping, stripping stem and stripping bevel gear thread cooperation, to make both constitute screw nut mechanism, to drive stripping stem to move up and down when stripping bevel gear rotates, to complete the stripping of workpiece on male die. Operating lever rotates through operating bevel gear drives stripping bevel gear to rotate, to drive stripping stem to move up and down. Operating bevel gear drives stripping bevel gear to rotate can change the transmission direction of operating lever, to realize the stripping operation on workpiece on male die by the simple rotation operation of operating lever, to be able to substantially improve stripping efficiency, it is favorable to batch processing production stripping operation, to improve workpiece processing efficiency.

A rapid demolding vacuum forming device relates to the field of vacuum forming equipment technology, solving the problems of low production efficiency and easily affected product quality in existing technologies. It includes a base, on which a mold turntable is rotatably connected. Multiple clamps are evenly connected circumferentially to the mold turntable. Each clamp on the mold turntable has a through slot. A forming mold is positioned below each clamp and connected to the mold turntable via a lifting mechanism. Suction holes are evenly distributed on the forming mold and communicate with a vacuum generator. Each forming mold has a demolding through hole at its bottom, within which a demolding push rod is installed. The lower end of the demolding push rod is connected to a demolding drive assembly. A heating mechanism and a cooling mechanism are sequentially arranged around the mold turntable. The beneficial effects are improved demolding efficiency and product quality.

This utility model relates to the field of mold technology and discloses a molding mold for blowing glass liners for thermos bottles. It includes a cooling chamber with bases connected to both sides of its bottom. An opening is formed at the top of the cooling chamber. A worktable is located at the bottom of the cooling chamber. Two guide blocks are symmetrically arranged vertically on one side of the worktable inside the cooling chamber. A moving mold is positioned between the two guide blocks. A stationary mold is located to the right of the moving mold. A telescopic cylinder is located on one side of the moving mold, and its bottom is connected to the left inner wall of the cooling chamber via a support base. An ejection cylinder is located on one side of the stationary mold. This utility model, by setting up ejection blocks, ejection cylinders, and a support platform, utilizes their cooperative action to smoothly eject the molded glass bottle from the mold, thus improving demolding efficiency.

This invention relates to the field of metal casting mold technology and discloses a mold for continuous metal casting, including a mold table, clamping blocks, a mold body, and a gantry frame. In this invention, when the reset cylinder drives the guide block at the bottom of the clamping block to move to both sides along the guide groove, after the guide block abuts against the contact switch, the pressure pump pumps the release agent into the storage tank through the connecting pipe, impacting the turbine blades. This allows the synchronous pulley and synchronous belt at the top of the turbine blades to synchronously drive two sets of ball screws, enabling the connecting plate and the device plate to rise and fall along the opening groove. At the same time, the air pump is synchronously controlled by a set of contact switches, so that the inner cavity of the device plate is circulated and vented, and the internal striking blocks synchronously extend and retract, striking the outside of the mold body. This reduces the adhesion surface between the metal part and the inner cavity of the mold body after molding, facilitating subsequent demolding.

The utility model provides a kind of ice cream quick demolding device, it is related to ice cream demolding device technical field, including pedestal, pedestal is fixedly provided with demolding plate, and several demolding sleeve boxes are provided on demolding plate and are arranged side by side, for embedding and fixing ice cream mould, the outer edge of the side wall of any demolding sleeve box is provided with heating jacket around, heating jacket and demolding sleeve box form heating cavity, heating cavity is fixedly provided with heating inlet pipe and heating outlet pipe respectively, which are communicated inside and outside, first hot water tank is fixedly provided on one side of pedestal, first hot water tank is fixedly provided with heating source, first hot water tank is communicated with heating inlet pipe, first hot water tank side is also fixedly provided with the driving source that can transport hot water, by setting around demolding sleeve box heating cavity and circulating and passing into hot water, accurate, controllable local heating is carried out, accurate melting stubborn ice crystal junction point corresponding ice cream edge corner, bottom instead of whole ice cream, effectively solve the problem that ice cream is partially softened or melted caused by existing warm water whole demolding mode.

The utility model relates to injection mold technical field especially is involved in a kind of injection mold of mobile phone camera shell, including lower die seat and upper die seat, the lower die seat lower die kernel can be surrounded with the upper die kernel of upper die seat and form cavity, lower die kernel is equipped with first installation through-hole, first installation through-hole is through lower die kernel upper and lower surface, first installation through-hole is equipped with the first forming insert block that can move up and down inside;Lower die seat is equipped with the first top plate that can move up and down, first top plate top is equipped with first top column, first top column extends upwards, first forming insert block bottom and first top column between are equipped with first elastic member;When upper die seat and lower die seat close mould, upper die kernel can act first forming insert block and go down;When upper die seat and lower die seat open mould, first elastic member can be elastic insert block and provide the elastic force that ejects mobile phone camera shell.Compared with prior art, reduce the situation that product deformation or damage appears in stripping process, and then improve stripping efficiency and product production yield.

The utility model discloses a refrigerator ice making box relates to refrigerator accessory field, including drawer frame and multiple sets of ice making unit in drawer frame, ice making unit all includes silica gel ice making tray and with its parallel distribution's storage cover, the opening of storage cover is equipped with the sealing sleeve of silica gel ice making tray's adaptation. The utility model discloses the combination setting of silica gel ice making tray, sealing sleeve and storage cover can avoid silica gel ice making tray in the pollution of receiving freezing ice making operation process, keep the cleanliness of silica gel ice making tray inside ice block. When carrying out stripping operation to silica gel ice making tray inside, can convert the position of storage cover and silica gel ice making tray, and ice block does not contact with outside in stripping process, improves the cleanliness of ice block in stripping operation process, and stripping efficiency is improved without extra help of tool to strip ice block, and can carry out sealed storage operation to the ice block after stripping.

The invention relates to a spot plating device and process for local electroplating of a packaging shell, and the device comprises a closed electroplating mold and a silica gel mask tool, and further comprises a magnetorheological elastomer layer which is arranged on the skirt edge of the silica gel mask tool and is in sealing contact with the packaging shell; the magnetic field generation module is used for applying an adjustable magnetic field to the magnetorheological elastomer layer; the leakage detection module is integrated at the sealing interface of the magnetorheological elastomer layer and the packaging shell and is used for detecting the electrical property parameter change of the sealing interface in real time; and the main control module is electrically connected with the magnetic field generation module and the leakage detection module, and is configured to dynamically adjust the magnetic field intensity output by the magnetic field generation module according to a signal fed back by the leakage detection module, so that the local or overall rigidity of the magnetorheological elastomer layer is changed. According to the invention, through the cooperation of the magnetorheological elastomer layer, the leakage detection module and the magnetic field generation module, the intelligent qualitative change of the sealing capability of the silica gel mask tool and the plugging capability are realized.

This utility model relates to the field of biscuit processing technology and discloses a shaping device for processing black wheat whole wheat flour biscuits. It includes a processing table, a biscuit mold movably mounted on the top of the processing table, several forming grooves evenly distributed on the top surface of the biscuit mold, a Teflon coating fixedly disposed on the inner wall of the forming grooves, a connecting groove at the bottom of the biscuit mold, a ventilation groove at the inner end of the biscuit mold extending into the interior of the forming grooves, an air compressor fixedly mounted on the inner end of the processing table, and an exhaust pipe fixedly mounted on the top of the air compressor extending to the top of the processing table. This shaping device for processing black wheat whole wheat flour biscuits, by installing an air compressor and a Teflon coating, reduces the friction between the biscuit and the forming grooves, preventing sticking. The airflow released by the air compressor assists in demolding, improving demolding efficiency.

The bronze ware casting mold with the rapid demolding function comprises two supporting plates, the outer surfaces of the two supporting plates are jointly provided with a driving assembly, the outer surface of the driving assembly is provided with a containing assembly, the outer surface of the containing assembly is provided with a clamping assembly, and the clamping assembly is arranged on the outer surface of the containing assembly. And supporting assemblies are installed on the bottom faces of the two supporting plates correspondingly, the driving assembly comprises two bearings, and the two bearings are located on the outer surfaces of the two supporting plates correspondingly. According to the device, a to-be-cast mold is put into a storage frame in the storage assembly, a driving motor in the driving assembly can drive the shell mold to turn over under the action of two bearings and two connecting rods, and therefore wax liquid in the shell mold can be conveniently poured out; and residual wax liquid in the shell mold can be rapidly solidified, so that the rapid demolding effect is achieved, and the mold demolding efficiency can be effectively improved through the device.

The utility model discloses a glass forming mould easy to demould, which comprises two mould bodies, mould cavities are arranged on opposite sides of the two mould bodies, the inner tops of the mould cavities are arranged in an inclined mode, and material injection ports are arranged on the opposite sides of the two mould bodies and close to the tops. A sliding groove is formed in the position, close to the bottom, in the mold body, a sliding block is slidably connected to the inner side wall of the sliding groove, a vertically-arranged jacking column is fixedly connected to the upper end of the sliding block, a through opening communicated with the mold cavity is formed in the inner top of the sliding groove, and the upper end of the jacking column slidably extends into the through opening. Four guide rods distributed in a rectangular shape are slidably inserted into the upper end of the sliding block, and the upper ends of the guide rods are fixedly connected with the inner top of the sliding groove. Through the arrangement of the ejection column, the sliding block and other mechanisms, demolding operation can be automatically conducted on a product, the product can be prevented from being damaged, and convenience and safety are improved.

The utility model discloses a forming die of quick demoulding relates to forming die technical field, the utility model discloses a base, the top fixed coupling of base has the support column and lower mould, the top fixed coupling of support column has the support plate, the top fixed mounting of support plate has the hydraulic cylinder, the output fixed connection of hydraulic cylinder has upper mould, the top fixed mounting of base has electric push rod, the output fixed connection of electric push rod has the top plate, the top of base is provided with quick cooling mechanism. The utility model discloses setting up quick cooling mechanism to reach the process of opening hydraulic cylinder drive upper mould downward movement and lower mould merging, still will through the cooperation of pressing plate, piston rod, piston barrel etc. component to make the water suction pipe absorb the cooling water in cooling water tank and transport to the cooling pipe, and the cooling water in cooling pipe is used for accelerating the cooling forming of product, and the demoulding efficiency is improved.

The utility model discloses an automatic blowing device of an injection molding machine, which relates to the technical field of blowing of injection molding machines, and comprises a fixed mold and a movable mold, gas delivery pipes, gas passing grooves and gas distribution grooves are arranged in the fixed mold and the movable mold, and the gas delivery pipes are communicated through a header pipe to realize uniform gas distribution; the air passing groove is connected with the air conveying pipe, the air distributing groove is formed in the outer side of the air passing groove, a slidable extrusion head is arranged at the tail end of the air distributing groove, and the extrusion head is pushed to stretch out through airflow to apply mechanical thrust to an adhered product; the air separation plate is arranged in the sliding grooves of the fixed mold and the movable mold in a sliding manner, and is matched with the first pressure spring to control the on-off of an air path: during mold closing, the air separation plate is pressed to slide to block the air passing groove; and when the mold is opened, the first pressure spring resets to conduct the gas path. The auxiliary assembly limits displacement of the extrusion head in the injection molding stage through an extension plate and a second compression spring, and the surface flatness of the mold is ensured. The device is of a full-mechanical structure, and efficient demolding is achieved through synchronous control over actions of a gas circuit and a mold in combination with mechanical thrust of an extrusion head.