22results about How to "Avoid burrs" patented technology

The utility model discloses an annular ceramic heater forming device, which relates to the technical field of ceramic heater production equipment and is characterized in that an upper module can be driven to lift and rotate through a driving component, so that a semi-forming upper die, a clamp and a pressing die can be sequentially matched with a bottom die; according to the circular-ring-shaped ceramic heater forming device, the operations of semi-finished product pressing, heating coil placing, finished product pressing forming and the like are sequentially completed, and therefore the forming operation of a circular-ring-shaped ceramic heater is completed in a small space at a time. The forming device has the advantages of being small in occupied space, short in forming period, high in finished product quality and the like on the premise that production efficiency is considered, full-automatic annular ceramic heater forming operation can be achieved only by being matched with an existing automatic feeding and discharging mechanism, and popularization and improvement of the annular ceramic heater forming device are facilitated; and through the arrangement of the station point positions and the sensors, the accuracy of forming operation is improved, and therefore the product quality is improved.

The invention discloses automatic curved-surface special-shaped titanium alloy curtain wall machining equipment, and relates to the technical field of metal curtain wall cutting, the automatic curved-surface special-shaped titanium alloy curtain wall machining equipment comprises a supporting assembly, the supporting assembly comprises four second supports, and a workbench is installed at the upper ends of the four second supports; the fixed cutting assembly comprises a first mounting plate and a second mounting plate which are mounted on the workbench, and a first bearing is mounted at the end, close to the first mounting plate, of the second mounting plate; according to the curtain wall machining device, a curtain wall can be fixed firstly through the arranged fixing and cutting assembly when being machined, then the curtain wall is cut, the connection speed is extremely high, and a large amount of machining time is saved; according to the curtain wall cutting device, by arranging the cooling assembly, a cutting point can be continuously cooled when a curtain wall is cut, the burr phenomenon is prevented, and a water source can be collected for cyclic utilization.

The invention belongs to the technical field of chip processing, and particularly relates to a chip plastic packaging device and method for integrated circuit production. Comprising a processing table, and the processing table is provided with a force applying and pressure continuing mechanism used for plastic packaging of a chip. The force applying and pressure continuing mechanism comprises a fixed die, and the bottom of the fixed die is connected to the top of the machining table through a bolt. A U-shaped base is further installed on the machining table, and an opening of the U-shaped base faces the top of the machining table. A telescopic air cylinder is installed on the U-shaped base through a bolt, and the output end of the telescopic air cylinder faces the top of the machining table and is further provided with an H-shaped square plate. Impurities or dust and the like adhered to the fixed mold and the movable mold can be cleaned through the gas-making cavity cleaning unit, manual operation of workers is not needed in the cleaning process, and meanwhile the problems that chips are incomplete and bubbles are generated in the plastic packaging process due to the fact that impurities in the fixed mold and the movable mold are not completely cleaned due to negligence in the process are solved. The plastic packaging effect of the device is improved, and the working intensity of workers is further reduced.

The present disclosure relates to the technical field of metallurgy, and particularly relates to a coal injection gun adjustable conversion joint device, a coal injection gun and a coal injection device. The present disclosure provides a coal injection gun adjustable conversion joint device, which comprises a conversion joint body and an angle adjusting mechanism. The conversion joint body has a first connecting end and a second connecting end. The first connecting end is used for connecting a coal injection gun section door of a coal injection gun. The second connecting end is used for connecting a barrel of the coal injection gun. The angle adjusting mechanism comprises an adjusting sleeve and a plurality of force applying columns. The plurality of force applying columns are arranged at intervals along the circumference of the conversion joint body. The adjusting sleeve is detachably connected to one or more of the plurality of force applying columns, and the adjusting sleeve is used for increasing the torsion of the force applying columns. By implementing the technical solution of the present disclosure, burrs, scratches and folds of the barrel during angle adjustment are avoided, which is beneficial to the sealing and advancing and retreating operation of the coal injection gun.

The present application relates to the technical field of thermal protection layer forming, and particularly relates to a composite material solid rocket engine heat insulation layer 3D printing system and an operating method. The printing system comprises a feeding system and a mechanical arm system. The feeding system further comprises a storage device, a mixing device and a hydraulic device. The mixing device is connected to the storage device through a pipeline. The hydraulic device delivers the heat insulation material in the storage device to the mixing device through the pipeline. The mechanical arm system further comprises a mechanical arm and a control unit. The head of the mechanical arm is provided with the mixing device and a printing head. The mixing device is connected to the printing head. The control unit has a heat insulation layer model slicing function and controls the movement of the mechanical arm and the printing of the printing head. The head of the mechanical arm is further provided with a curing device and a thickness measuring device. The thickness measuring device can measure the thickness of the heat insulation structure. The mechanical arm system automatically adjusts the process parameters according to the measurement results, and continues to print the areas whose thickness does not meet the requirements, thereby fully guaranteeing the printing effect and improving the reliability of the heat insulation layer.

The present invention relates to an electro-discharge machining device, which comprises at least a carrier and an electro-discharge machining unit. The carrier is used to carry at least one workpiece to be machined. The electro-discharge machining unit comprises an electrode, a jig and a power supply unit. When the electro-discharge machining unit performs an electro-discharge machining process on a machining target area of the workpiece to be machined along a machining travel direction, a discharge section of the electrode moves relative to the machining target area of the workpiece to be machined. The present invention can improve the machining process, save the overall machining time and save the time required for replacing the electrode.

The invention discloses a female die of a bus bending machine and the bus bending machine, comprising a frame, and further comprising a leveling assembly used for polishing the cut part of a pipe; the leveling assembly comprises a sliding barrel, a lining plate, guide rods and grinding barrels, the sliding barrel is slidably connected to the rack, the lining plate is rotatably connected into the sliding barrel, the lining plate is rotatably connected with the multiple guide rods, the multiple guide rods are fixedly connected with the grinding barrels respectively, the multiple guide rods are fixedly connected with outer gears respectively, and the grinding barrels are fixedly connected with the outer gears respectively. The multiple outer gears are connected with the inner gear in a meshed mode, the axis of the inner gear is fixedly connected with a main shaft, the main shaft is rotationally connected with the sliding cylinder, and the top of the main shaft is fixedly connected with a grinding wheel. The device can effectively treat the deformation at the notch of the pipe.

This invention discloses a method for manufacturing a reinforcing plate, comprising the following steps: Step S1: providing an adhesive layer, and using laser cutting to cut a first alignment structure and a hollow window on the adhesive layer; Step S2: providing a reinforcing substrate, processing a second alignment structure on the reinforcing substrate, aligning the second alignment structure with the first alignment structure, so that the adhesive layer and the reinforcing substrate are bonded together to form a composite; Step S3: using laser cutting to cut the composite along a contour cutting path to obtain the reinforcing plate; the reinforcing plate includes a main seat and a handle, the thickness of the main seat being greater than the thickness of the handle; the contour cutting path is loop-shaped and includes a first cutting line and a second cutting line. The process of this invention is simple and quick, saving time, improving manufacturing efficiency, and improving the quality of the reinforcing plate, making it particularly suitable for mass production and facilitating widespread adoption.

The present invention discloses an electric three-hole punching and threading binding machine, which relates to the technical field of paper processing and punching machines, and comprises a frame, wherein longitudinal axes are arranged on both sides of the frame, and a punching mechanism and a threading mechanism are arranged coaxially on the longitudinal axes. A punching pad that can move in parallel is synchronously linked on the threading mechanism, and the two ends of the punching pad are fixed on the frame through a linear sliding mechanism; the punching mechanism comprises a punching carrier plate and a punching push part that pushes the punching carrier plate to move up and down, and three punching motors are arranged at equal intervals on the punching carrier plate; the threading mechanism comprises a threading carrier plate and a threading push part that pushes the threading carrier plate to move up and down, and a threading needle is arranged coaxially on the threading carrier plate corresponding to the position of each punching hollow drill; a tray is arranged on the frame and above the punching pad plate. The present invention can complete the punching, threading and binding in one go, effectively avoid the displacement of paper holes, reduce the difficulty of punching, threading and binding, and greatly improve the work efficiency.

The utility model discloses cloth trimming equipment capable of preventing burrs, which belongs to the technical field of garment production and comprises a processing table, a support is fixedly connected onto the processing table, a cutting hole and a movable hole are respectively arranged at the upper end of the processing table, a pair of symmetrical guide plates is fixedly connected onto the upper end of the processing table, and the guide plates are fixedly connected onto the support. A cutting assembly is arranged on the support, a burr preventing assembly is arranged on the machining table, the cutting assembly comprises a cutting knife, the cutting knife is matched with a cutting hole, and the cutting knife is located over the cutting hole. According to the scheme, the cutting knife can be regularly replaced, cloth can be prevented from generating burrs or being torn in the cutting process, the cutting knife can be regularly polished through the burr preventing assembly, the sharpness degree of the cutting knife is kept, and compared with an existing scheme that the cutting knife is regularly replaced, more cost is saved when the cutting knife is regularly polished through the scheme.

The utility model discloses a wide-mouth plastic bottle injection blow molding device which comprises a fixed mold base, a movable mold base and a mold core, the fixed mold base and the movable mold base move relatively, and the mold core is arranged in the movable mold base in a penetrating mode and comprises a mold core body and a mold core head. A pair of blow molding half molds is arranged on the movable mold base; the core body is sleeved with an ejection push pipe and an integrated bottleneck ring, at least one pair of connecting rods are arranged on the ejection push pipe in the circumferential direction, connecting rod via holes are formed in the integrated bottleneck ring, the connecting rods penetrate through the corresponding connecting rod via holes and then are provided with limiting protruding parts, a bottleneck cavity is formed between the integrated bottleneck ring and the core body, and the ejection push pipe comprises a pipe body, an annular pushing part is arranged at the top of the pipe body; a pushing through hole is formed in the movable mold base, and the pipe body is arranged in the pushing through hole in a penetrating manner; and a demolding driving device for driving the ejection push pipe to move along the axis direction of the mold core is arranged on the movable mold base. The injection blow molding device disclosed by the utility model is mainly used for injection blow molding of plastic products such as wide-mouth plastic bottles and the like.

The present invention discloses a laser cutting machine for loudspeaker production, which relates to the technical field of laser cutting machines and comprises a main body mechanism, wherein the main body mechanism comprises a laser cutting machine body, a movable seat is slidably mounted on the top of the laser cutting machine body, an adjusting seat is slidably mounted inside the movable seat, a laser cutting head is slidably mounted on one side of the adjusting seat, and an auxiliary cutting mechanism is arranged on one side of the adjusting seat. The laser cutting machine for loudspeaker production can achieve the purpose of increasing the oxygen content when cutting loudspeaker raw materials by setting an oxygen enrichment unit, an airflow isolation unit and an adjusting mechanism for coordinated use, thereby avoiding the phenomenon of burrs on the raw materials due to unstable oxygen content at the cutting position, and avoiding the phenomenon of residues on the raw materials after cutting, and at the same time ensuring that the cut surface of the raw materials is smooth enough to ensure that subsequent processing is simpler and the cutting effect is increased.

The utility model discloses a round pipe cutting device of a numerical control pipe cutting machine, and relates to the technical field of pipe cutting machines, the round pipe cutting device of the numerical control pipe cutting machine comprises a workbench, the top of the workbench is fixedly provided with a mounting rack, the bottom of the mounting rack is provided with a push rod motor, and the output end of the push rod motor is fixedly provided with a motor box; a motor is fixedly installed in the motor box, a cutting piece is fixedly installed at the output end of the motor, a fixing frame is fixedly installed at the top of the cutting piece, a sliding rod is slidably connected into the fixing frame, a scraper is fixedly installed at the lower end of the sliding rod, and when the sliding rod and the fixing frame descend, the distance between the scraper and the surface of the round pipe is 0 centimeter. When the cutting blade cuts the round pipe, the cutting blade descends, the scraper makes contact with the surface of the round pipe, burrs at the cutting position are scraped off through the scraper, trimming of the burrs is achieved, and the burrs are prevented from occurring.

The application discloses a cutting type eyeletting method and device, and relates to the technical field of eyeletting processing. In order to solve the problem that the existing eyeletting machine cannot provide stable solid support for the fabric to be processed during the eyeletting process, resulting in fabric subsidence and yarn pulling, yarn extraction and burr, the method comprises the following steps: placing the fabric to be processed in the eyeletting area of the needle plate of the eyeletting machine; supporting the fabric to be processed by using the support body arranged in the eyeletting area; controlling the cutter to move downward along the direction perpendicular to the plane of the fabric to be processed, the cutter has a cutting edge, and the cutting edge is used for forming a shearing surface parallel to the supporting surface of the support body; controlling the cutter to continue to move downward to a preset termination position, so that the fabric to be processed located between the cutter and the support body is subjected to the supporting action provided by the support body and the vertical shearing action provided by the cutter at the same time, and the eyeletting incision of the fabric to be processed is formed by cutting; in this way, the burr, yarn extraction and yarn pulling phenomenon of the incision can be effectively reduced.

The utility model relates to the technical field of processing of superfine fiber printing Yangbuck leather, in particular to a printing device of superfine fiber printing Yangbuck leather, which comprises a machine body, an ink-jet printing head is slidably mounted on the machine body, two driving mechanisms are symmetrically fixed on the machine body, a support is fixed on the driving mechanisms, and the ink-jet printing head is arranged on the support. A limiting mechanism is installed on the support and comprises supporting rods and a hydraulic rod, the two supporting rods are fixedly connected to the support, the hydraulic rod is fixedly installed at the top ends of the supporting rods, a pressing plate is fixedly connected to the telescopic end of the hydraulic rod, a rubber pad is installed on the pressing plate in a clamped mode, and a long rod is fixedly connected to the support. The long rod is rotationally connected with a pressing wheel; the support slides to drive the pressing wheel to move on the Yangbuck, the Yangbuck can be flattened through the pressing wheel, when the hydraulic rod is started, the pressing plate drives the rubber pad to abut against the edge of the Yangbuck, then the Yangbuck can be fixed when the ink-jet printing head conducts printing on the Yangbuck, and therefore the printing effect is better.

The invention relates to the technical field of aluminum alloy powder processing, and discloses an aluminum alloy powder processing device which comprises an aluminum powder molding press body, a stamping base fixedly connected to the interior of the aluminum powder molding press body, and a rotating groove is formed in the surface of the stamping base. Through the arrangement of the discharging assembly, after aluminum powder in the filling barrel is subjected to stamping forming, through overturning of a discharging block, a counterweight ring can drive the filling barrel to rapidly slide downwards due to gravity, and when the surface of the counterweight ring slides to the inner wall of a sliding groove and cannot slide, due to vibration, an aluminum block formed in the filling barrel can automatically fall off; according to the aluminum block discharging mode, the situation that the surface of an aluminum block is damaged by a traditional pop-up piece is avoided, meanwhile, the situation that burrs and flaws are likely to exist at the bottom of the aluminum block is avoided, the overall quality of a product is improved, after the formed aluminum block falls into the metal grinding disc, the burrs generated when the upper surface of the aluminum block is punched can be automatically ground, and the production efficiency is improved. And the surface of the product is smoother.

The utility model discloses high-strength breathable polyester grey cloth, which relates to the technical field of polyester grey cloth and comprises first base cloth and breathable holes. The inner side surface of the first base cloth is adhered to one side of the reinforcing cloth, the other side of the reinforcing cloth is adhered to the inner side surface of the second base cloth, the first base cloth and the second base cloth are formed by interweaving warp yarns and weft yarns, a first flame-retardant layer is adhered to the outer side surface of the first base cloth, a second flame-retardant layer is adhered to the outer side surface of the second base cloth, and the first flame-retardant layer and the second flame-retardant layer are interwoven. The first flame-retardant layer and the second flame-retardant layer are both fireproof fiber cloth, and the air holes are uniformly formed in the surfaces of the first flame-retardant layer and the second flame-retardant layer; according to the high-strength breathable polyester grey cloth, the strength of the polyester grey cloth can be effectively improved by adopting the two layers of base cloth to be matched with the reinforcing cloth fixed in the base cloth, so that the polyester grey cloth is prevented from being damaged when being torn by external force, and the problem of rapid combustion of the polyester grey cloth can also be prevented by arranging the two flame-retardant layers.

The utility model discloses a presser foot structure with a small tongue, which comprises a presser foot main body, the presser foot main body is provided with a sewing notch, one side of the sewing notch is provided with a raised line, the outer side of the sewing notch is provided with a presser foot tongue, the presser foot tongue comprises a horizontal part and a protruding part, the horizontal part is connected to the sewing notch, and the protruding part is connected to the sewing notch. The horizontal part is connected with the protruding strip, a pin moving groove is formed between the horizontal part and the protruding strip, the protruding part is connected to the outer side of the horizontal part, an L-shaped structure is formed between the protruding part and the horizontal part, and a transition cambered surface is arranged at the joint of the protruding part and the horizontal part. According to the overlock stitch, the pattern of the overlock stitch is changed, so that two points are formed on one stitch of a thread on a ready-made garment, the coverage rate of the stitch on a fabric is doubled, the phenomenon of rough selvedges of the fabric is avoided, the structure is simple and ingenious, and the attractiveness of the garment is improved.

The positioning tool comprises a mounting plate, the top of the mounting plate is fixedly connected with a containing plate, the front face and the back face of the containing plate are both fixedly connected with supporting plates, and the tops of the supporting plates are fixedly connected with electric push rods. The output end of the electric push rod penetrates through the bottom of the supporting plate and is fixedly connected with a connecting block, the right side of the inner wall of the connecting block is slidably connected with a clamping block, and a cutter is fixedly connected into the clamping block. According to the positioning tool for film cutting, the electric push rod pushes the connecting block and the pressing plate to press and position a film on the top of the containing plate, then the heating assembly and the moving assembly drive the cutter to cut the film, then the adsorption mechanism treats waste gas, and the positioning tool for film cutting has the advantage of positioning and is high in practicability. The stability of the positioning tool is improved, meanwhile, deviation is avoided when the film is cut, and the situation that the quality of the film is affected due to the fact that burrs appear at the cut position of the film is prevented.

The utility model relates to the technical field of cutting devices, in particular to an insulating packaging film cutting device which is characterized in that an adsorption bottom plate is matched with a negative pressure hole to adsorb and fix an insulating packaging film, so that the film material is effectively prevented from shifting or wrinkling in the cutting process, and the cutting precision is improved; the laser cutting head with the double-station design is adopted, synchronous and accurate positioning is achieved in cooperation with the positioning sensor in the middle, two cutting operations can be conducted at the same time or alternately, and the machining efficiency is remarkably improved. Meanwhile, high-precision and non-contact cutting is achieved by combining an X-axis driving module and a Y-axis driving module, and the problems of burrs and deformation caused by traditional mechanical cutting are solved; the static electricity removing assembly can eliminate static electricity adsorption on the surface of the membrane material, and the conveying and cutting stability is further guaranteed; the unwinding roller and the winding roller are provided with the magnetic powder clutches, tension can be accurately controlled, and it is ensured that the film materials are stably conveyed at a constant speed. And the cutting efficiency and quality of the insulating packaging film are remarkably improved, and the requirements for high-precision and high-efficiency industrial production are met.

The utility model discloses a novel glue sealing mechanism for insert injection molding. The novel glue sealing mechanism comprises a fixed mold core and a movable mold core, a fixed mold side supporting block is arranged on the fixed mold core, and the fixed mold side supporting block extends downwards out of the lower surface of the fixed mold core; a product groove is formed in the movable mold core; a sliding groove is formed in the side edge of the product groove, and a glue sealing insert, a non-Newtonian fluid transition block and a glue sealing guide block are sequentially arranged in the sliding groove. During mold closing, the fixed mold side supporting block abuts against the glue sealing guide block, the glue sealing guide block drives the non-Newtonian fluid transition block and the glue sealing insert to slide towards the product groove side, and therefore the glue sealing insert abuts against a stamping part to be subjected to injection molding; the non-Newtonian fluid transition block is made of a D3O material. According to the utility model, the non-Newtonian fluid characteristic represented by the D3O material is utilized, so that the sealing mechanism structure has two different mechanical states: the soft state can be compatible with the size fluctuation of a stamping part, and the hard state can resist huge pressure from molten plastic, thereby avoiding the pressing damage and burrs of the stamping part.

The present invention relates to a die-cutting tool assembly for processing a double-sided adhesive product with holes. The double-sided adhesive product includes a carrier film layer, which is divided into an adhesive area with a double-sided adhesive layer and an adhesive-free area protruding outward and connected to the adhesive area, and the adhesive-free area is provided with a through hole; the die-cutting tool assembly includes a first die-cutting tool, a second die-cutting tool and a third die-cutting tool for punching a material strip in sequence; the first die-cutting tool and the third die-cutting tool are common molds, and multiple rows of knife lines are arranged along the feeding direction of the material strip, and punching is performed at multiple steps; and the second die-cutting tool is a blanking punching mold, which is only provided with one row of knife lines, and punching is performed at a single step. Compared with the prior art, the present invention has the advantages of low mold cost and high production efficiency.