36results about How to "Uniform feed rate" patented technology

The invention discloses a polar coordinate numerical control fused deposition rapid prototyping machine and a prototyping method thereof. The rapid prototyping machine comprises a support frame, a lateral movement device, a rotary device, a lifting device, a lateral adjusting device and an extrusion sprayer, is ingenious and reasonable in structural design, adopts a polar coordinate mode for processing, is matched with the rotary device to realize rotary movement, effectively keeps the uniform feeding speed in linear and curved movement, achieves the continuity of extrusion materials in the deposition process, and has rapid prototyping speed and good effect; the whole structure is compact, the operation is convenient, and the work stability is high; according to the prototyping method provided by the invention, the work procedures are concise, the implementation is easy, the fused deposition can be implemented according to different prototyping models, not only is the whole prototyping period shortened, but also the model prototyping quality is effectively ensured, the prototyping effect is good, the efficiency is high, and wide promotion and application can be facilitated.

The invention discloses a fried food processing apparatus which comprises an oil trough (1), a feeder (2) is arranged on one end of the oil though (1), a discharge conveyer belt (3) is arranged on the other end of the oil trough (1), and a heater (4) is arranged on the bottom of the oil trough (1). The fried food processing apparatus can carry out mechanized production, so that feeding, frying and discharge can be automatically carried out, consequently, the production efficiency is increased, manpower and material resources are reduced, and energy is saved.

The invention relates to a method and a device for grinding cams of a camshaft (7) in a clamp with two grinding spindles (10, 11), wherein the cams or cam pairs are each arranged in a mirror image relative to the workpiece rotation axis (16), wherein the camshaft (7) is tensioned and rotated about the longitudinal axis thereof. In the device for carrying out the method, the camshaft (7) can be inserted into the workpiece receiver (6) from the side lying opposite the at least one back stay (15) by means of the loading device.

The invention provides a dry powder machining process using a fire extinguisher dry powder reuse machining system. The dry powder machining process comprises the following process steps: firstly, a hopper and a ball mill are used for finely crushing raw dry powder; then, the crushed raw dry powder is dried; components of the dried raw dry powder are detected; and according to national standard requirements and detecting results, the insufficient components are added for full mixing to realize reuse of fire extinguisher dry powder. The dry powder machining process is simple in process steps, realizes corresponding process steps by dint of corresponding machining equipment, is high in automation degree of the treatment process, and is suitable for streamlined production operation.

The invention provides an automatic electrowelding electrode feeder comprising a connecting rack, a feed box, and a power unit. The automatic electrowelding electrode feeder is fitted on a welding torch employing welding wires for welding. The feed box and the power unit are fitted to the end of the welding torch through the connecting rack. A welding wire for welding is passed into the feed box; a transmission structure is arranged in the feed box; the power unit drives the welding wire to move forward. The forward direction of the welding wire and a hot jet flow direction of the welding torch intersect at one point. Speed of feeding the welding wires in the welding manner is evener, welding quality can be improved effectively, a welder can operate with one hand using the automatic electrowelding electrode feeder, welding is more convenient, and the automatic electrowelding electrode feeder can be freely used in more complex environments.

The invention relates to the field of laser arc composite surfacing, in particular to a laser arc side-shaft compounded surfacing machine and an application method thereof. The design of a laser arc composite welding gun adopts a mode of side shaft compounding and guidance of arc by laser; the machine comprises an arc welding gun horizontal adjusting device, an arc welding gun vertical adjusting device, an arc welding gun angle adjusting device, an arc welding gun fixed frame, a laser welding gun fixed frame and a laser welding gun vertical adjusting device; the welding gun position and angleadjustment is realized; a polar coordinate mode is adopted to control; a revolving device is matched to realize a revolving motion to effectively guarantee uniform feeding speed in linear and curve motions; and the machine uses a laser arc compound quick molding technology to achieve high molding speed and good effect, realizes metal surfacing in 1G and 4G positions, can be used for molding partswith special structures, and is compact in overall structure, convenient to operate and high in working stability.

The invention relates to a paper tube crushing machine. The paper tube crushing machine comprises a rack and a feeding unit, a crushing box and a discharging system which are sequentially arranged onthe rack in the conveying direction of paper tubes; a crushing tool is arranged in the crushing box, and a driving motor of the crushing tool is arranged on the rack; and the crushing tool comprises apower shaft arranged on the crushing box by means of an installing plate, limiting plates arranged on the power shaft at intervals, a group of pin shafts which are arranged on the exterior of the power shaft and penetrate through the limiting plates and crushing hammers, the crushing hammers and the pin shafts are connected and arranged between the installing plate and the limiting plates and between the adjacent limiting plates correspondingly, the crushing hammers have the rotating freedom degree on the pin shafts, and the bottom of the crushing box is provided with a grid in the mode of being matched with the crushing hammers. According to the crushing machine, the manufacturing difficulty of the crushing tool can be effectively reduced, the service life is prolonged, the crushing timeis shortened, and the good crushing effect is guaranteed.

The invention discloses a single station paste filling test-piece preparation device, aiming at achieving the manufacturing of a test-piece and a test-piece demolding function on a same machine through rotating each component, and solving the problems that when in traditional paste filling test-piece preparation, slurry leaks and the environment is polluted, and the preparation test-piece and demolding of the test-piece need different equipment, so that the stations are wasted and the efficiency is low; the high efficiency and high cleanliness are achieved; the paste filling test-piece preparation work of the station is saved; the single station paste filling test-piece preparation device comprises a bottom box, a hole plate, a small test-piece barrel, a large test-piece barrel, a demolding top plate, a knob, a screw, a connection rod and a multifunctional baffle; the device provided by the invention is convenient to operate, easy to maintain, and wide in application prospect of pastefilling test-piece preparation work.

The invention relates to a method for manufacturing a main body (30) of a linear roller bearing (13), which is viewed in cross section U-shape, wherein the main body has a base (34) and a first and a second U-shaped side leg; the first and the second U-shaped side leg (65; 66) are perpendicular to the base (34) and protrude from the base. According to the invention, the method comprises the following steps: a) preparing a separate first part (61) which comprises the first U-shaped leg (65) and forms a part of the base (34); b) preparing a second separate part (62) which forms the second U-shaped side leg (66) and a part of the base (34); and c) welding the first and the second part (61; 62) in the region of the base (34).

The invention provides a full-automatic efficient sanding machine, and relates to a metal bar polishing device, in particular to an improvement to a sanding machine. The full-automatic efficient sanding machine is high in grinding efficiency and uniform in grinding. The sanding machine comprises a track arranged on a rack, wherein the track is provided with a clamping part and a sanding part which slide along the track, the clamping part comprises a fixed clamping assembly fixed to the rack and a movable clamping assembly which is arranged on the track and slides along the track, a metal bar is clamped between the fixed clamping assembly and the movable clamping assembly, and the fixed clamping assembly is driven by a first motor arranged on the rack to rotate. A polishing assembly moves on the track, at the moment, the surface of the metal bar is polished through a polishing wheel, and meanwhile the polishing assembly is driven by a first servo motor to slide back and forth along the track, so that the whole aluminum bar surface grinding procedure is completed; and since the feeding speed of the first servo motor is uniform, and the rotating speed of the first motor and the rotating speed of a second motor are stable, few pauses are caused in the whole grinding process, surface grinding is more uniform, the grinding and polishing efficiency of the metal bar is higher, and the rejection rate is lower.

The invention relates to a machining production method special for a nodular cast iron pipe finishing unit, and belongs to the field of pipe production equipment. In the prior art, independent operation needs to be carried out, and a working period is long. The machining production method special for the nodular cast iron pipe finishing unit comprises the following steps that a to-be-chamfered pipe is placed on a chamfering station for being chamfered through a travelling crane, and the to-be-chamfered pipe is erected on a chamfering riding wheel assembly, so that one end of the to-be-chamfered pipe is in contact with a chamfering grinding wheel; the chamfered pipe is placed on an internal grinding station for inner grinding through the travelling crane, the to-be-ground pipe is erected onan inner grinding driving riding wheel and an inner grinding driven riding wheel, and one end of the to-be-ground pipe is in contact with a blocking wheel body; and the internally-ground pipe is placed on a roller coating station for roller coating through the travelling crane, the to-be-roller-coated pipe is erected on a roller coating riding wheel assembly, one end of the to-be-roller-coated pipe is erected on a roller coating positioning boss, and roller coating is conducted on the to-be-roller-coated pipe. According to the method, the working efficiency is improved, and assembly among allpipes is facilitated.

The invention relates to the technical field of garment cloth production equipment, and discloses an energy-saving garment cloth cutting device capable of avoiding cutting sliding. The energy-saving garment cloth cutting device capable of avoiding cutting sliding comprises a shell; the interior of the shell is movably connected with a cloth device; the outer side of the cloth device is slidably connected with a first connecting piece; the interior of the first connecting piece is rotationally connected with a first connecting shaft; the outer side of the first connecting shaft is rotationally connected with a first gear; the outer side of the first gear is engaged with a second gear; and the outer side of the second gear is rotationally connected with a magnetic pole. According to the energy-saving garment cloth cutting device capable of avoiding cutting sliding, through the connection of the shell and the second gear, the problem that a cloth cutting device in the prior art is high in manual labor intensity is solved; a large amount of manual operation is replaced by machinery, therefore, time and labor are saved, the cost is effectively reduced, meanwhile, the rejection rate is reduced, and the cloth cutting effect is guaranteed; and the energy-saving garment cloth cutting device capable of avoiding cutting sliding is suitable for cloth of different specifications, can fix cloth during cutting and is easy to operate.

The invention discloses a single-cylinder multi-point hot runner system, which is characterized in that a cavity is formed in a cylinder body, and an annular piston is arranged in the cavity; the annular piston is in sliding fit with the inner wall of an accommodating cavity and divides the accommodating cavity into an upper annular air cavity and a lower annular air cavity which are sealed respectively; an end cover is arranged at the opening of the cavity and is in sealed connection with the inner wall of the cavity; hot runners which are communicated with one another are arranged in a flowdividing plate, and the flow dividing plate is arranged below the cylinder body; a feeding nozzle is connected with the flow dividing plate, and an internal runner of the feeding nozzle is communicated with an inlet of each hot runner; a plurality of needle valves are arranged, each needle valve comprises a valve body and a valve needle; the upper end of the valve body is connected with the flow dividing plate, an internal runner of the valve body is communicated with the hot runner, and the valve bodies are uniformly arranged around the central axis of the annular piston; the upper end of thevalve needle is connected with the annular piston, and the lower end is inserted into the valve body; the lower end of the needle valve is connected with a pouring gate of the mold, and the valve needle is used for controlling opening and closing of the needle valve. According to the invention, the opening and closing of the needle valves can be synchronously controlled, so that the dynamic balance performance of an injection molding product is enabled to be higher.

The invention provides a fire extinguisher dry powder recycling processing system. The fire extinguisher dry powder recycling processing system comprises a feeding hopper, a ball mill, a vacuum dryer, an air pump control cabinet, an air blower, a vacuum pump, a cyclone separator and a filter. The basic working process of the fire extinguisher dry powder recycling processing system comprises the steps that constant-speed feeding of a dry powder primary material is achieved through the feeding hopper; grinding and refining of the dry powder primary material are achieved through the ball mill; then drying treatment is conducted through the vacuum dryer; meanwhile, the air blower and the vacuum pump jointly act to form the vacuum environment; and components of dry powder at an outlet of the vacuum dryer is detected finally, components with inadequate content are added, sufficient mixing is conducted, and then recycling processing of the fire extinguisher dry powder is achieved. According to the fire extinguisher dry powder recycling processing system, streamlined operation is achieved through the through type ball mill, and the system is complete and reliable, has a series of advantages of being high in processing efficiency, convenient to operate and maintain and the like and can achieve efficient recycling of the fire extinguisher dry powder.