38results about How to "Uniform extrusion" patented technology

The invention relates to a radial extruding machine. The radial extruding machine comprises a frame (1), a power box (2), an air supply device (3), a feeding device (4), an insertion port forming device (5), a mold (7), an extruding head (8), a rotary chassis (9), a vibration device (10) and an oil cylinder (12). The extruding head (8) is internally provided with a plurality of upper extruding head bodies and lower extruding head bodies, wherein the upper extruding head bodies rotate coaxially, and the lower extruding head bodies do not rotate coaxially; and thus, by adjusting the eccentricity, the compression rate of pipe making concrete can be changed, so that the better extruding effect is achieved.

A forward extrusion forging apparatus includes: a die having a hollow portion whose diameter is reduced at an intermediate position; and a punch that is positioned behind a workpiece placed in the hollow portion, slides in the hollow portion, and extrudes the workpiece ahead of the hollow portion so that the workpiece is forged. An extruding surface of the punch, which extrudes the workpiece, is recessed in a direction opposite an extruding direction in a manner such that a center portion of the extruding surface is most recessed.

The invention discloses an automatic assembly production line for elevator brake calipers. The automatic assembly production line comprises a carrying disc conveying device, a brake plate storage mechanism, a brake plate carrying disc feeding mechanism, a disc spring automatic combination mechanism, a first disc spring height measurement mechanism, a shell feeding and shell size automatic measurement mechanism, an adjusting gasket and space ring supply mechanism, a second disc spring height measuring mechanism and a manual final assembly station, wherein the brake plate storage mechanism, the brake plate carrying disc feeding mechanism, the disc spring automatic combination mechanism, the first disc spring height measurement mechanism, the shell feeding and shell size automatic measurement mechanism, the adjusting gasket and space ring supply mechanism, the second disc spring height measuring mechanism and the manual final assembly station are sequentially arranged in the conveying direction of the carrying disc conveying device. According to the automatic assembly production line, the automatic assembly production of the elevator brake calipers is realized, the product circulation process is automatically carried out, manual operation and circulation are not wasted, and the labor force is greatly saved; and the thickness measurement of disc springs, space rings and adjusting gaskets adopts automatic measurement, so that the measurement precision is high, and the installation precision of final products is ensured.

The invention discloses a double-nozzle wax pattern 3D printer which comprises a printer frame, a working platform, a wire supply cylinder, a crushing mechanism, a melting mechanism, a feeding mechanism, a pressurizing mechanism, a moving mechanism and a double-nozzle mechanism, wherein the crushing mechanism, the melting mechanism, the feeding mechanism, the pressurizing mechanism, the moving mechanism and the double-nozzle mechanism are arranged on the printer frame; the melting mechanism is arranged below the crushing mechanism and is used for receiving the blocky raw materials processed by the crushing mechanism through a conical barrel; the pressurizing mechanism is used for extruding liquid wax of the melting mechanism; the feeding mechanism comprises a servo electric cylinder and a storage tank, and the storage tank is connected with a discharge port of the melting mechanism; the movement mechanism comprises a water X-Y movement mechanism and a Z-axis movement mechanism; the double-nozzle mechanism comprises a height difference switching device, a screw extrusion nozzle and a supporting material printing nozzle. According to the invention, printing of a wax mold with a complex structure is facilitated, a height difference is generated between the two nozzles, the nozzles are prevented from colliding with a printing material, and meanwhile, the wax mold quality and the printing efficiency are greatly improved.

The invention relates to a device for pressing a flat material, comprising means for transporting the flat material (15) in a transport direction and at least one pressing roller pair (9), which is stationary in the transport direction and acts on the flat material (15) on both sides, said device being characterized in that both pressing rollers (13, 14, 29, 34) of the pressing roller pair (9) or both pressing rollers (13, 14, 29, 34) of at least one of the pressing roller pairs (9) are elastically deformable in the radial direction at least at the circumference of said pressing rollers.

The invention relates to an adjustable three-dimensional chiral structure and a preparation method thereof, and mainly relates to the field of optical chiral structures. The three-dimensional chiral structure comprises conductive glass, grating layers, a plurality of polystyrene spheres, a chiral structure layer, a first colloid and a second colloid. Deformation characteristics of a plurality of polystyrene spheres are utilized; when the chirality of the three-dimensional chiral structure needs to be adjusted, the first colloid and the second colloid are extruded by using opposite force, and aplurality of polystyrene spheres are enabled to form. The grating layers are arranged on the two sides of the polystyrene spheres, the heights of the polystyrene spheres can be changed under the action of pressure, then the local height difference and period of the chiral structure units in the chiral structure layer can be changed, and the purpose of adjusting three-dimensional chiral structureparameters is achieved.

The invention discloses a multifunctional interactive robot. The multifunctional interactive robot comprises a robot body and two projection mechanisms located at the eye parts of the robot body. Eachprojection mechanism is mounted at the corresponding eye part of the robot, and the projection angle is controlled by a servo steering machine, so that the rich projection combination is achieved, for example, two images are spliced together to form an ultra-wide picture, or the two images are projected separately to form different pictures, more information is fed back to a user, enjoyment is high, and playability is high.

The invention discloses extruding and edge cutting equipment for a rubber product. The extruding and edge cutting equipment comprises a strip-shaped bearing plate; an extruding mechanism is arranged on the upper surface of the strip-shaped bearing plate; and a swinging edge cutting mechanism is arranged in the position, close to the extruding mechanism, of the strip-shaped bearing plate. The extruding and edge cutting equipment has the beneficial effects that operation is convenient, it is convenient to control the extruding degree, the extruding effect is even, the attaching effect is good, cutting in the fixed length is conveniently conducted on extruded spare rubber, assembly line production is achieved, the situation that operation is conducted in large volumes is facilitated, and the labor intensity is relieved.

The invention discloses a micro jet flow electrosparking device, and relates to electrosparking devices. A positive electrode of a pulse signal generator is connected with a workpiece, and a negative electrode of the pulse signal generator is connected with a metal syringe needle. A solution injection syringe is fixed to an injection pump. The metal syringe needle is connected with the injection syringe and vertically fixed to a feeding adjusting device through a clamping device. The feeding adjusting device is provided with a lead screw and a sliding block. The lead screw is connected with an output shaft of a Z-axis driving motor. The sliding block is in screw-thread fit with the lead screw. The detection end of a discharging state detection device is connected with the metal syringe needle and a workpiece to be machined. The signal output end of the discharging state detection device is connected with a controller. The feeding adjusting device is fixed to a base. An X-Y motion platform is fixed to the base and used for clamping the workpiece to be machined. An output shaft of an X-axis driving motor is connected with the X-axis direction of the X-Y motion platform. An output shaft of a Y-axis driving motor is connected with the Y-axis direction of the X-Y motion platform. The output end of the controller is electrically and respectively connected with the Z-axis driving motor, the X-axis driving motor and the Y-axis driving motor.

The invention relates to a radial extruding pipe making machine pressing head. The radial extruding pipe making machine pressing head comprises a circular material distributing disc, an upper polishing tile, a lower polishing tile, an outer shaft and an inner shaft, wherein the material distributing disc, the upper polishing tile and the lower polishing tile are arranged from top to bottom, the diameters of the material distributing disc, the upper polishing tile and the lower polishing tile are sequentially increased, the inner shaft is arranged in the outer shaft and forms reversal rotationwith the outer shaft, the outer shaft is fixed to the center of the material distributing disc and the center of the upper polishing tile, the inner shaft is fixed to the center of the lower polishingtile, and multiple circular deficient installing holes are formed in the edge of the material distributing disc in an array mode; and the radial extruding pipe making machine pressing head further comprises multiple upper extrusion rolls and multiple lower extrusion rolls, wherein the upper extrusion rolls are arranged on the edge of the upper polishing tile in an array mode, at least parts of the upper extrusion rolls are located over the installing holes and do not exceed the edge of the upper polishing tile, the upper extrusion rolls coaxially rotate, the lower extrusion rolls are arrangedon the edge of the lower polishing tile in an array mode, parts of the lower extrusion rolls do not exceed the edge of the lower polishing tile, and the lower extrusion rolls eccentrically rotate. According to the radial extruding pipe making machine pressing head, through lower roll eccentric design of the lower extrusion rolls, the compression ratio of pipe making concrete can be changed by adjusting the eccentric magnitude, and then a better extrusion effect is achieved.

The invention discloses a multifunctional interactive robot. The multifunctional interactive robot comprises a robot body and two projection mechanisms located at the eye parts of the robot body. Eachprojection mechanism is mounted at the corresponding eye part of the robot, and the projection angle is controlled by a servo steering machine, so that the rich projection combination is achieved, for example, two images are spliced together to form an ultra-wide picture, or the two images are projected separately to form different pictures, more information is fed back to a user, enjoyment is high, and playability is high.

The invention discloses a multicolor mixed make-up pen, comprising a pen holder and a pen point, wherein a pair of material storage slots are arranged in the pen holder side by side, a material extruding device is correspondingly arranged at the tail end of each material storage slot, an adapter is arranged between the pen holder and the pen point, a two-to-one material feeding passage is arrangedin the adapter, a pen head is arranged in the pen point, a discharge slot is arranged in the pen head, a refining core is arranged at the rear prat of the discharge slot, a thread rib is arranged onthe peripheral outer wall of the refining head, and the thread rib props against the inner wall of the discharge slot to form a spiral passage in spiral advancement. According to the invention, two kinds of materials are independently stored and independently provided with the material extruding device, so that material extruding is controllable and blended according to requirement; the two kindsof materials are mixed first by the two-to-one material feeding passage, and then the mixture is subjected to material mixing, the material flow speed of the mixture is slowed down first to prevent the mixture from being directly ejected, then the mixture is divided and enters the spiral passage to form vortex rotate to permeate to each other, so that mixture is uniform, and the operation is convenient.

The invention discloses a chilli sauce packaging machine with cleaning and dust-removing functions, and relates to the technical field of chilli sauce packaging machines. The chilli sauce packaging machine specifically comprises a rack, a machine body and a lifting plate, wherein a base station is mounted in the middle above the rack; a transmission belt is arranged at the outer side of a controlrotary shaft in a sleeving mode; a rotary motor is arranged inside the top of the machine body; the lower shaft end of the rotary motor is axially connected with a rotary shaft; a sub-division disc isarranged below a delivery disc; grinding teeth are arranged on the bottom surface of the delivery disc and the upper surface of the sub-division disc; and the upper surface of the lifting plate is embedded with a conveyor belt. According to the chilli sauce packaging machine with cleaning and dust-removing functions disclosed by the invention, the base station is arranged, so that a first movablemechanism is arranged on the equipment; the base station and a control motor define a transmission structure by controlling the rotary shaft and the transmission belt; after the control motor is started, the base station correspondingly accomplishes angle rotation, and takes the rack as the base; and after the base station turns over, the angle of the machine body deflects, so that a base fillingangle of the machine body is regulated.

The invention discloses a dry humidity regulating system and a regulating method in the swill separation process, which are used for regulating the dry humidity of extruded materials of an extrusion system. The extruding system includes an extruding shell, an extruding block, and a discharge cover, and the dry humidity regulating system includes a moisture sensor, a locking mechanism and an adjusting controller. The moisture sensor is used to detect the moisture content of the extrusion discharge located in the extrusion shell. The locking mechanism includes a locking shell, a threaded rod, at least one positioning rod, a current limiting block and an adjusting motor. The adjustment controller is used to judge whether the moisture content is greater than the preset dry humidity. If it is, the adjustment controller drives the adjustment motor to rotate, so that the current limiting block moves towards the extrusion block to narrow the discharge gap; otherwise, it drives the adjustment motor to rotate, and the current limiting block moves toward Move away from the squeeze block to increase the discharge clearance. The invention realizes the adjustment of the water content of the discharged material, so that the water content reaches the standard, ensures a suitable living environment for the biodegradation reaction bacteria, and improves the degradation rate and effect.

The invention discloses a locking device for a door of a wind tunnel test section. The locking device includes a double-acting cylinder that drives the locking device. The two ends of the double-acting cylinder are connected with wedge-shaped sliders. The door of the test section is fixedly connected with a slideway. In the process, the pressing block is pressed against the inclined surface of the wedge-shaped slider, and then locked by the bolt locking assembly. The locking device solves the problems of heavy workload, low efficiency and unreliable sealing performance in the process of opening and closing the test section door of the wind tunnel, and improves the operating efficiency of the hypersonic wind tunnel.