355 results about "Vacuum forming" patented technology

To solve the problem that a conventional large-sized resin photomask storage case cannot be integrally molded by injection molding, and accordingly respective components are created by bonding.SOLUTION: A photomask storage case is composed of a lower case part made of a synthetic resin, and an upper case part blocking the lower case part, wherein the lower case part is composed of a photomask fixing frame which has a fixing part for mounting and fixing a stored photomask, and is composed of a metal frame body, and a lower case body in which the fixing frame is detachably provided. The lower case body is integrally molded by vacuum molding.SELECTED DRAWING: Figure 2

The invention provides a vacuum forming device and method. The vacuum forming device comprises a forming cavity; a resin storage part; the first flow path comprises a first branch and a second branch, and a first control valve is arranged between the first branch and the second branch; a vacuumizing part; a second control valve is arranged on the second flow path; the forming cavity is arranged in the heating cavity; and the control part is electrically connected with the vacuumizing part, the first control valve and the second control valve. In the vacuum forming device, the control part can control opening and closing of the first control valve, the second control valve and the vacuumizing part, and after the first branch is filled with resin, extraction of the resin is stopped. And then vacuumizing is continued, air in the second branch, the forming cavity and the second flow path is exhausted, and the internal porosity of the formed part obtained after curing in the forming cavity is reduced. In addition, the forming cavity is formed in the heating cavity, and after resin pouring is completed, the forming cavity can be directly heated through the heating cavity to achieve curing of the resin.

The invention relates to the technical field of plastic processing, and discloses an efficient cooling device for a positive and negative pressure plastic suction machine, which comprises a main body, a synchronous conveying mechanism, a positive and negative pressure plastic suction mechanism and a multi-stage expansion sealing mechanism, a plastic suction bin is arranged in the middle of the main body, a heating bin is arranged on the left side of the plastic suction bin, a discharging bin is arranged on the other side of the plastic suction bin, and an air blower is arranged between the plastic suction bin and the discharging bin. By arranging the synchronous material conveying mechanism, a sliding rod can enter a driving groove in the surface of a driving disc when rotating, the driving disc is driven to start to rotate while moving in the driving groove, and a material collecting shaft is driven to start to rotate when the driving disc moves, so that a material collecting roller outside the material collecting shaft starts to rotate, and a thermoplastic film is driven to start to move in the direction of the material collecting roller; and when the sliding rod is separated from the driving groove, the driving disc stops rotating, at the moment, the material collecting roller stops moving, the thermoplastic film stops moving, and therefore periodic intermittent conveying of the thermoplastic film is achieved.

The application discloses a kind of stackable anti-collapse logistics appliances in the technical field of packaging box, to solve the technical problem of packaging box packing damage in prior art.The logistics appliance includes panel assembly, the panel assembly includes panel and reinforcing bracket arranged in the panel;The panel assembly is integrally formed using a blow molding process or a vacuum forming process.

The utility model discloses a vehicle-mounted tail lamp panel multi-mounting lining which comprises a lining body, the lining body is formed through plastic uptake, a plurality of containing holes are formed in the lining body, a plurality of first inclined buckling grooves are formed in the four side edges of the lining body respectively, and the first inclined buckling grooves form steps on the inner walls of the side edges of the lining body. The lining body is formed through plastic uptake, the shape follow-up protectiveness of the containing holes is good, the anti-static effect is good, and the packaging box has the advantages of being easy to form, low in manufacturing cost and small in packaging size, so that the boxing utilization rate is high, the packaging cost is reduced, and the packaging box can be suitable for a recyclable packaging mode; the steps are formed on the inner walls of the side edges of the lining bodies through the first inclined buckling grooves, when the lining bodies are placed in an overlapped mode, the lining body on the upper layer is pressed on the surface of the lining body on the lower layer through the steps, and the stability of the overlapped placing is effectively guaranteed.

The invention discloses a laser device for expanding on a plastic vacuum forming machine and a high-speed plastic vacuum forming machine, and belongs to the technical field of plastic vacuum forming machines. The cross-shaped sliding table is fixedly connected to the fixing frame; the cutting head is fixedly connected to the cross-shaped sliding table, and the cutting head is connected with a laser cutting system; the ejection mechanism is connected to the fixing frame; the device is fixed and expanded on the plastic vacuum forming machine through the fixing frame, the cutting head connected with the laser cutting system is matched with the cross-shaped sliding table to cut and punch a product subjected to plastic vacuum forming, and the material jacking mechanism is used for jacking, stacking and storing the cut plastic vacuum forming product, so that the whole device has good expansibility and can be quickly matched on the plastic vacuum forming machine for use; and aiming at plastic uptake products of different specifications, the speed of replacing the cutting procedure is far higher than that of replacing the stamping die, so that long-time shutdown of the plastic uptake machine is avoided, and the working hours are further saved.

The invention discloses a plastic uptake forming device of an isolation plate for a CCS assembly, relates to the technical field of plastic uptake forming equipment, and aims to solve the technical problem that composite filling of particles and flakes is difficult to realize by traditional equipment, and the plastic uptake forming device comprises an automatic plastic uptake mold, a conveying mechanism, a feeding mechanism, a discharging mechanism and a hot pressing assembly. According to the device, through sliding fit of kidney-shaped holes and stagnation holes which are specifically distributed in the moving plate and the protruding blocks of the driving rods, gathering and unfolding of the multiple discharging frames are achieved, and therefore the two working modes of wide-opening uniform particle filling and narrow-opening fixed-point sheet-shaped object filling are flexibly switched on the same device; furthermore, by means of a linkage guide mechanism composed of a supporting inclined plate, a flow gathering plate and a guide plate which are hinged, automatic induction can be achieved and a discharging channel can be expanded during filling of the sheet-shaped objects, the sheet-shaped objects are effectively guided to be stably laid, and blocking and posture inclination are prevented; and a reliable solution is provided for large-scale and high-quality production of the high-performance composite CCS isolation plate.

The invention discloses a plastic uptake forming device with a pneumatic ejection function and a forming method.The plastic uptake forming device comprises an upper die set, a lower die set and a sheet fixing frame, the upper die set comprises an upper die assembly and a lower die assembly, and the sheet fixing frame is located between the upper die assembly and the lower die assembly; the sheet fixing frame is used for fixing a sheet, and the upper mold assembly and the lower mold assembly move to the sheet through downward movement and upward movement correspondingly to conduct plastic uptake shaping and demolding treatment after shaping on the sheet. The lower mold assembly comprises a lower mold and a pneumatic control system, and the pneumatic control system is used for controlling the lower mold assembly to carry out vacuum plastic uptake on the sheet and carrying out pneumatic ejection demolding after plastic uptake shaping; the upper mold assembly comprises an upper mold body and a pressure difference control system, the pressure difference control system is used for controlling the upper mold assembly to provide air pressure so as to balance stress of a sheet during pneumatic ejection demolding, and non-contact efficient demolding of plastic uptake is achieved through cooperative control of pneumatic ejection and dynamic pressure difference.

The utility model discloses a quick cooling structure for a plastic vacuum forming machine, which belongs to the technical field of plastic vacuum forming machines and comprises a forming die, a cooling seat and a water-cooling coil, the surface of the forming die is fixedly connected with the cooling seat, the water-cooling coil is inserted into the cooling seat, an air-cooling component is mounted above the cooling seat, and the water-cooling coil is inserted into the air-cooling component. The isolation assemblies are installed on the two sides of the air cooling assembly. The air cooling assembly comprises an air blower, supports are welded to the two side walls of the air blower, and guide rods are fixedly connected to the lower surfaces of the supports. A water cooling machine is connected with a water inlet connector and a water drainage connector of a water cooling coil pipe in a communicating mode, the position of a cooling base is cooled, meanwhile, an air blower and an electric push rod are started through external control equipment, the air blower faces a heat dissipation groove of the cooling base and the surface of the heat dissipation base, the good air cooling effect is achieved, and the cooling performance is improved; meanwhile, the electric push rod drives the blower to do longitudinal reciprocating motion, the blowing effect is better, and heat dissipation is accelerated.

The invention relates to a leak detection glue solution for a vacuum forming mold and a leak point detection method. The leak detection glue solution comprises the following components in parts by mass: 100 parts of water, 4.5-5.5 parts of polyvinyl alcohol, 30-40 parts of an ethanol water solution, 2-8 parts of glycerol, 0.1-0.2 part of tributyl phosphate and 1-2 parts of water-based color paste. According to the leakage point detection method, the surface of a mold is sealed by adopting a vacuum bag film and the like and then is guided, a leakage detection glue solution flows on the surface of the mold at a proper flow speed and leakage detection is carried out, the mold is converted from airtightness detection to liquid airtightness detection, and when a leakage point exists, continuous bubbles can be visually seen from the leakage point, and the leakage point can be rapidly judged; and meanwhile, through operation modes of step-by-step feeding and discharging, reverse feeding and discharging and the like, interference of a certain leakage point on subsequent leakage point detection can be avoided. The leak detection glue solution is moderate in viscosity, can well guide flow during vacuum flow guide, cannot cause difficulty in observation due to too fast flow guide, can be suitable for vacuum flow guide leak detection, can quickly form a glue film when exposed in air, can be directly torn off, and is high in operation efficiency.

A vacuum formed, tamper resistant container resists deformation of the sides thereof that might otherwise permit access to contents of the container without removal of the lid. Downward protruding lid features reinforce the wall of the container base, and buttress features included in the rim of the base extend from a base flange diagonally downward and inward to the inner rim of a recessed shelf, thereby resisting downward rotation of the wall beneath the lid protruding features. In embodiments, attachment tabs surrounded by frangible boundaries are incorporated in the lid and attached to the base by living hinges, such that removal of the lid requires breaking of the frangible boundaries and detachment of the lid from the attachment tabs. Pucker elements associated with the attachment tabs can cause the attachment tabs to pivot away from the lid when the attachment tabs are detached from the lid.

The utility model belongs to the technical field of sheet forming, and relates to a manual stacking anti-misoperation device of a plastic vacuum forming machine, which comprises a plastic vacuum forming machine (3) provided with a manipulator (1), a stacking position, a suction position and a single-point test button, and further comprises an electric self-locking button (2) arranged on the plastic vacuum forming machine, the electrical self-locking button is connected with the single-point test button according to an electrical self-locking principle. According to the utility model, single-point test misoperation can be prevented, and the mechanical arm and other parts are prevented from being damaged.

1. The name of the product of this design: hot and cold film multi-layer vacuum forming equipment production line. 2. Purpose of the product of this design: used in fuel cell stacks, electrolyzer stacks, and liquid flow stack assembly production lines. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: main view.

The invention belongs to the technical field of plastic uptake forming, and discloses a cooling forming device for draw-bar box processing and a using method thereof.The cooling forming device comprises a reaction cylinder and further comprises a backflow pipeline, a mold cooling channel, a mold cooling channel, a mold cooling channel, a mold cooling channel and a mold cooling channel, the liquid pump and the hot air pumping mechanism are both arranged on the side edge of the reaction cylinder, and the liquid pump is used for inputting water at the bottom of the reaction cylinder into the cooling channel of the mold. According to the scheme, the liquid pump is operated to convey cooling water at the bottom of the reaction cylinder into the mold cooling channel to cool the mold, meanwhile, the cooling water with the lower temperature in the mold is pumped back into the reaction cylinder through the backflow pipeline, and cold airflow enters the heat exchange pipeline to cool a water source at the bottom of the reaction cylinder; the problem that a softened sheet is hardened too early in the next forming process after the male die is cooled is solved.

The utility model discloses a plastic sheet composite material vacuum forming mold, and belongs to the field of plastic forming molds. The utility model relates to a plastic sheet composite material vacuum plastic uptake forming mould, which comprises a rack, a positioning frame, a plastic uptake forming mould, a plastic uptake forming mould body, a plastic uptake forming mould body, a plastic uptake forming mould body, a plastic uptake forming mould body, a plastic uptake forming mould body, a plastic uptake forming mould body, a plastic uptake forming mould body, a plastic uptake forming mould body and a plastic uptake forming mould body, the positioning frame is driven by the first adjusting part to move downwards, a template can be coated with a sheet, air in the air supply part can be extruded and discharged through the air blowing nozzle, dust particles and plastic residues on the surface of a cavity of the template are cleaned, meanwhile, in the cleaning process, the second adjusting part is used for adjusting the angle of the air blowing nozzle, and the air blowing nozzle is prevented from being blocked. And after the plastic product is formed, the first adjusting piece moves upwards to relieve abutting against the positioning frame, and automatic demolding of the plastic product is achieved.

The utility model relates to the technical field of plastic vacuum forming machines, and discloses a material collecting device for a plastic vacuum forming machine, which comprises a material collecting box, one side of the upper end face of the material collecting box is fixedly connected with a material conveying mechanism, a processing mechanism is arranged in the material collecting box, the material conveying mechanism comprises a conveying frame, the inner wall of the conveying frame is provided with a conveying belt, and the conveying belt is connected with the processing mechanism. A deviation rectifying frame is fixedly connected to the upper end face of the conveying frame, fixing columns are fixedly connected to the lower portions of the inner walls of the front end and the rear end of the deviation rectifying frame correspondingly, movable grooves are formed in the opposite sides of the two fixing columns correspondingly, and movable rods are movably arranged in the two movable grooves correspondingly. According to the waste material processing device, the position of the waste material can be corrected through the arranged correcting mechanism, so that the purpose of pretreatment can be achieved, the problem that subsequent processing and using are affected due to the fact that the waste material is stressed and deviated in the conveying process is solved, the waste material can be crushed through the arranged processing mechanism, and the waste material processing efficiency is improved. Therefore, the advantage of better recycling is achieved.

The invention relates to the technical field of plastic forming, in particular to a full-automatic vacuum forming machine and method for packaging box machining, the full-automatic vacuum forming machine comprises a vacuum rack and a forming plate arranged in the vacuum rack, a plurality of inserting barrels are fixedly connected to one side of the forming plate, and a plurality of connecting grooves matched with the inserting barrels are formed in one side of the vacuum rack; a forming mold is fixedly connected to one side of the forming plate, a forming mold groove matched with the forming mold is formed in one side of the vacuum rack, and a forming assembly for driving the forming plate to move for machining is arranged on one side of the vacuum rack; a hollow rotating cylinder constructed to be hollow is rotationally connected to the interior of the inserting cylinder, a straight plate is fixedly connected to the outer surface of one end of the hollow rotating cylinder, a material shoveling block used for discharging is arranged on the outer surface of the inserting cylinder, and a driving assembly used for adjusting the position of the material shoveling block is constructed in the air cavity. The material shoveling block moves upwards to provide a forming space, and after forming is completed, the material shoveling block moves downwards to shovel materials attached to the surface of the forming mold to achieve automatic discharging.

A vacuum-formed board (1) with a reinforcement structure, which vacuum-formed board is manufactured from a flat substrate (11) by using a vacuum forming process. The reinforcement structure comprises a reinforcement strip groove (13) and a metal reinforcing strip (14), wherein the reinforcement strip groove (13) is formed from a substrate (11) by means of vacuum forming, and the metal reinforcing strip (14) is nested on the reinforcement strip groove (13). By means of the provision of the reinforcement structure, a reinforcement effect on the vacuum-formed board (1) itself is achieved. The problem of a panel having a low bearing capacity and a poor stability in the prior art due to the vacuum-formed board (1) itself having insufficient strength is thus solved. Further provided is a storage cabinet (2) using the vacuum-formed board (1).

The invention relates to the technical field of instrument decorative plate processing, and discloses an environment-friendly instrument decorative plate vacuum forming device which comprises an upper box body and a lower box body, the upper box body is vertically and movably arranged over the lower box body, the upper box body and the lower box body are closed to form a processing cavity, and a lifting unit used for bearing an instrument decorative plate is arranged at the bottom of the lower box body; an ultrasonic welding assembly is arranged in the upper box body, the ultrasonic welding assembly is provided with a profiling welding head matched with the surface of the instrument decorative plate, and a heating unit is installed in the upper box body. According to the vacuum forming device for the environment-friendly instrument decorative plate, firstly, the membrane is pre-attached to the instrument decorative plate, then the membrane is accurately welded to the area, needing to be coated, of the instrument decorative plate through the ultrasonic welding assembly, the bonding strength of the membrane and the instrument decorative plate is enhanced, the instrument decorative plate is convenient to take down, and the working efficiency is improved. And the film covering efficiency and the film covering quality of the instrument decorative plate are greatly improved.

A box suction mold comprises a mold bottom plate, a lower pressing frame, a mold core frame, a main control box connected with the mold bottom plate, a counter connected with the mold bottom plate and the lower pressing frame, a plurality of temperature sensors and a plurality of in-cavity pressure sensors laid on the mold core frame, and a main control unit connected with the temperature sensors and the in-cavity pressure sensors. The cavity external pressure sensor is used for detecting the pressure outside the mold cavity; the counting box is connected with the bottom plate; and a counting unit is arranged in the counting box. According to the technical scheme provided by the utility model, real-time monitoring of parameters such as temperature, pressure and the like in the plastic uptake forming process is realized by applying the sensor, the energy consumption can be reduced, the product quality and the production efficiency can be improved, and the operation safety and the equipment reliability can be improved.

The utility model discloses a demolding device of a thick sheet plastic vacuum forming machine, and relates to the technical field of thick sheet plastic vacuum forming machines. The plastic uptake mold comprises a bottom frame, a plastic uptake mold is fixedly arranged on the upper surface of the bottom frame, a plurality of opening mechanisms are arranged on the outer side of the plastic uptake mold, an ejection mechanism is arranged below the opening mechanisms, one side of the ejection mechanism is fixedly connected with one side of the bottom frame, the ejection mechanism comprises an ejection frame, one side of the ejection frame is fixedly connected with the bottom frame, and the other side of the ejection frame is fixedly connected with the plastic uptake mold. By means of the ejection mechanism, stable ejection of formed products in the plastic suction mold is achieved, the height of the ejection plate can be controlled by rotating the rotary cylinder, the demolding requirements of products with different thicknesses are further met, the demolding efficiency is improved, and the demolding cost is reduced. And due to the design of anti-skid lines, the operation stability is enhanced, the overall structure is compact, operation is easy and convenient, and the demolding efficiency and safety of the thick sheet plastic vacuum forming machine are effectively improved.

A co-extruded sheet is provided that reduces swelling and / or cracking of the surface occurring during thermal shaping such as vacuum forming and provides improved mechanical strength. A co-extruded sheet 1 contains a polycarbonate resin, and includes a core layer 2 formed from a foam resin and skin layers 3 and 4 formed from a non-foaming resin. The skin layer 3 is laminated to one major surface of the core layer, while the skin layer 4 is laminated to the other major surface of the core layer 2. The co-extruded sheet 1 has a density of 0.4 to 0.9 g / cm3. The co-extruded sheet 1 has a thickness of 1 to 5 mm and satisfies expression (1): 0.10 ≤ (t1+t2) / T ≤ 0.5. In expression (1), t1 indicates the thickness of the skin layer 3, t2 indicates the thickness of the second skin layer 4, and T indicates the thickness of the co-extruded sheet 1.

The invention discloses an efficient vacuum vertical packaging machine. A film releasing mechanism, a feeding mechanism, a blanking mechanism, a vacuum forming mechanism, a sealing mechanism, a clamping, sealing and pulling mechanism and a thrusting and recycling mechanism are installed on the base frame, the film releasing mechanism, the feeding mechanism and the blanking mechanism are arranged above the base frame, the vacuum forming mechanism is arranged on the front side of the base frame, a blanking part of the blanking mechanism is connected with a feeding part of the vacuum forming mechanism, and the sealing mechanism is arranged on the base frame. The sealing mechanism is arranged on the sealing side of the vacuum forming mechanism, the flat clamping, sealing and pulling mechanism is arranged on the discharging side of the vacuum forming mechanism, and the thrust recovery mechanism is arranged on the bag discharging side of the flat clamping, sealing and pulling mechanism. The full-automatic vacuum forming machine has the beneficial effects that by adopting the integrated structural design, the newly-designed film placing mechanism, the feeding mechanism, the blanking mechanism, the vacuum forming mechanism, the sealing mechanism, the clamping, sealing and pulling mechanism and the thrusting and recycling mechanism are reasonably arranged in the base frame, and the full-automatic vacuum forming machine is compact in structure, small in size, stable in film feeding and accurate in feeding and discharging control.

The utility model discloses a thermosetting material vacuumizing forming die which comprises an upper die and a lower die, a die core is arranged in the middle of the lower die, a first matching portion matched with the upper portion of the die core in a sealing mode is arranged at the bottom of the upper die, and a second matching portion matched with the outer wall of the first matching portion is arranged on the lower die. The bottom of the mold core and the bottom of the lower mold are provided with bases which are connected in a sealed mode, the upper mold, the lower mold, the mold core and the bases are mutually enclosed to form a cavity, and the contact faces of the first matching part and the second matching part form a parting face connected with the side wall of the cavity. And the parting surface comprises a first vertical parting surface which is communicated with the highest point of the cavity and is vertically arranged. The utility model has the characteristics that the height difference between the parting surface and the cavity can be increased, materials are prevented from permeating into the parting surface to block a gas channel during vacuum pumping, and normal vacuum pumping is realized, so that the materials are fully filled, air holes are avoided, and the like.

This invention provides a cigarette sealing unit and its cavity forming device and method. The cavity forming device includes a driving mechanism, a pushing mechanism, an extrusion mechanism, and a pressure receiving mechanism. A film to be formed is disposed between the extrusion mechanism and the pressure receiving mechanism. The driving mechanism drives the pushing mechanism to move downward in a vertical direction, and the extrusion motion moves synchronously towards the pressure receiving mechanism. The film to be formed forms a cavity after being acted upon by the extrusion mechanism and the pressure receiving mechanism simultaneously. The cavity forming device has a non-working state, a pre-pressing state, and a forming state. The cavity forming device, according to the cavity forming method, combines the three states with three processes: pre-pressing, vacuum forming, and blow molding to complete the preparation of the cavity in the cigarette sealing unit. The cavity forming device of this patent achieves the organic integration of the three forming actions of pre-pressing, vacuum forming, and blow molding of the film to be formed through the precise cooperation of the extrusion mechanism and the pressure receiving mechanism, and the three actions occur synergistically within a continuous working cycle.

A cup cover cutting mold for cutting a cup cover. The cup cover comprises a cover portion and an outer ring portion. The outer ring portion transversely protrudes from the cover portion. The cup cover cutting mold comprises an alignment unit and a breaking unit. The alignment unit comprises at least one through hole. The at least one through hole faces one side of the outer ring portion. The breaking unit comprises at least one cutting edge. The at least one cutting edge is located on the other side of the outer ring portion. The at least one cutting edge movably penetrates into the at least one through hole. The at least one cutting edge is used for breaking a continuous structure of the outer ring portion, so as to form at least one cutting mark on the outer ring portion. A cup cover can be formed by means of vacuum forming, and then a cup cover cutting mold is used to break a continuous structure of the cup cover so as to form at least one cutting mark. The at least one cutting mark enables part of the cup cover to be relatively bent, so that in actual use, a bent portion of the cup cover can be bent and embedded into an opening edge of a cup body to achieve the purpose of tight bonding.

The invention relates to the technical field of refrigerator inner container blister, and discloses a blister device for preparing a refrigerator inner container, the blister device comprises a bottom plate, the top of the bottom plate is provided with a heating device, the top of the bottom plate is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with a sliding groove frame, and the top of the bottom plate is provided with a blister part; the plastic uptake part comprises a plastic uptake frame, the bottom of the plastic uptake frame is fixedly connected with the top of the bottom plate, the inner wall of the plastic uptake frame is slidably connected with a sealing plate, and the top of the sealing plate is fixedly connected with a mold. Suction force generated by the vacuum pump enters the interior of the plastic plate through the mold, air in the plastic plate is rapidly exhausted, and at the moment, the plastic plate can be attached to the surface of the mold under the action of the vacuum pump, so that plastic suction operation of the refrigerator inner container is completed; and the plastic uptake frame can be sealed by the sealing plate, so that the suction force of the vacuum pump can stably work in the plastic plate, and the plastic uptake quality of the refrigerator liner is further improved.

The utility model discloses a vacuum forming die for an upper cover plate of a carbon fiber motorboat, which is characterized by comprising an upper die and a lower die, the upper die is provided with an upper forming surface, and the lower die is provided with a lower forming surface; the upper forming surface is provided with a first mounting position for pre-burying a first metal part and a second mounting position for pre-burying a second metal part; four first via holes are formed in the first mounting position, first screw sleeves are arranged in the first via holes, and the first screw rods of the first metal piece are connected to the first screw sleeves; four second via holes are formed in the second mounting position, frustum part forming sleeves are arranged in the second via holes, second threaded sleeves are arranged in the frustum part forming sleeves, and second threaded rods of the second metal piece penetrate through the frustum part forming sleeves to be connected to the second threaded sleeves. According to the carbon fiber motorboat upper cover plate, the first metal piece and the second metal piece can be pre-buried and formed in the carbon fiber motorboat upper cover plate, the structural strength of connection of the first metal piece and the second metal piece is improved, the production process is simplified, and therefore the production efficiency of products can be improved.

The present invention relates to the technical field of plastic cup vacuum forming equipment, and more particularly to a plastic cup vacuum forming device, comprising an upper template assembly and a lower template assembly, the lower template assembly being provided with a forming cavity, the upper template assembly comprising a first cooling duct and an image acquisition assembly, the first cooling duct being disposed within the upper template assembly and having an air inlet and a plurality of air outlets, the image acquisition assembly comprising an image housing slidably mounted at the air outlets, a second cooling duct being disposed within the image housing and communicating with the first cooling duct, and an image acquisition module being fixed within the image housing for acquiring images of the end of an upper mold sleeve. The present invention cools the cutting edge of the upper mold sleeve via the first and second cooling ducts, thereby preventing heat accumulation at the cutting edge of the upper mold sleeve after long-term use and thereby increasing the service life of the upper mold sleeve.

The invention relates to a method for manufacturing a cylindrical, thermoplastic composite part, the method comprising: - positioning a cylinder (3) made of thermoplastic pre-impregnated fibrous material in a vacuum moulding tooling (10), at least one vacuum bag (12) being situated facing the cylinder, and - consolidating the cylinder in the vacuum moulding tooling, during which a vacuum is drawn so that the at least one bag applies a shaping pressure to the cylinder, the cylinder being subjected to a heat treatment comprising (i) sweeping (B) its circumference with a local heating, of extent (E24) limited to a sector of the cylinder, in a relative movement in relation to the cylinder about its axis, and (ii) cooling, after this local heating, so as to fix the shape of the cylinder. Fig. 1