830 results about "Feed drive" patented technology

The invention relates to a multi-station automatic feeding method and device. The feeding device is characterized by comprising an execution mechanism, a guiding mechanism, a driving device, a sensing limiting device and a control system, wherein the execution mechanism, the guiding mechanism, the driving device and the sensing limiting device are arranged on a frame; the execution mechanism comprises two walking beams which are arranged in parallel; a plurality of pairs of clamping devices are alternately arranged on the two walking beams; the guiding mechanism comprises feeding guide rails and feeding guide grooves, which are respectively arranged at two ends of the walking beams; a clamping guide groove which slides along one clamping guiderail is vertically fixedly arranged in the middle of each feeding guide groove; two ends of the clamping guide rails are respectively fixedly arranged on lifting guide grooves which slide along lifting guide rails; the bottom ends of the two lifting guide rails are respectively fixedly arranged on the frame; the driving device comprises a feeding driving device, a clamping driving device and a lifting driving device; the sensing limiting device comprises a feeding sensing limiting device, a clamping sensing limiting device and a lifting sensing limiting device; and the output end of the control system is connected with the sensing limiting device while the output end is connected with the driving device.

An infusion pump includes a main body; a tube attachment section, in which an infusion tube is attachable; a liquid feed driving unit disposed inside the main body; an access cover mounted on the main body and configured to cover the infusion tube when the infusion tube is attached to the tube attachment section when closed; and a bubble detection unit. The bubble detection unit includes a first member disposed at the access cover and a second member disposed at the main body. The infusion pump is configured such that, when the infusion tube is attached to the tube attachment section, a first space of the infusion tube is located between the first member and the second member of the bubble detection unit a second space of the infusion tube is located downstream of the first space, and the second space is smaller than the first space.

The invention discloses an elastic ribbon machine. By control over the rotation angle of a first motor, the lengths of conveyed elastic ribbons can be set, elastic ribbons conveyed in through a first feeding driving wheel are stored between the first feeding driving wheel and a second feeding driving wheel, and therefore the second feeding driving wheel is matched with a roll material coiling device to continuously output the elastic ribbons. In a feeding process, the elastic ribbon machine can conduct joint examination and ironing on the elastic ribbons, and the elastic ribbons at the discharging port of the second feeding driving wheel can be cut off automatically through a cutting device. The roll material coiling device clamps materials through a third fixture and rotates to enable the two ends of each elastic ribbon to be respectively sent to a first fixture and a second fixture; the first fixture and the second fixture clamp the two ends of each elastic ribbon and enable each elastic ribbon to form an elastic ring through rotation motion, and the two spliced ends of each elastic ring are fixed on a material supporting frame to facilitate following sewing fixation. The roll material coiling device has the advantages of being simple in structure and achieving automatic control, and greatly improves the coiling speed of the elastic ribbons.

The invention relates to a safe type timber cutting machine with multiple cutting saw blades. The safe type timber cutting machine comprises a machine base and a cutting device arranged on the machine base. The cutting device comprises a plurality of cutting saw blades, a saw blade mounting rotary shaft and saw blade driving mechanisms, wherein the cutting saw blades are coaxially assembled, and the spacing between the cutting saw blades can be adjusted, the saw blade mounting rotary shaft is used for allowing the cutting saw blades to be installed on, and the saw blade driving mechanisms drive the cutting saw blades to rotate and are in drive connection with the saw blade mounting rotary shaft. The machine base is further provided with an automatic feeding device. The automatic feeding device comprises a feeding rack and a feeding driving mechanism, wherein the feeding rack is arranged in a moving and sliding mode in the rotating and cutting direction of the cutting saw blades, and the feeding driving mechanism drives the feeding rack. A plurality of timber fixing platforms are arranged on the feeding rack, the number and the positions of the timber fixing platforms correspond to those of the cutting saw blades. The timber fixing platforms are coaxially arranged. Timber cutting passages for allowing the cutting saw blades to enter and cut timbers are formed between the adjacent timber fixing platforms in a spaced mode. The spacing between the adjacent timber fixing platforms can be adjusted. Compared with the prior art, the safe type timber cutting machine with the multiple cutting saw blades can automatically feed the timbers and is more convenient and safer to operate.

The invention discloses a copying double-sided glass edging machine, which comprises a rack (1), a longitudinal feed drive motor (3) arranged on the rack (1), a longitudinal guide rail (14) arranged on the rack (1), a longitudinal slide block slidably connected onto the longitudinal guide rail (14), and a master plate (6) arranged on the longitudinal slide block, wherein a power output end of the longitudinal feed drive motor (3) is in transmission connection with a feed screw rod (16) parallel to the longitudinal guide rail (14); the feed screw rod (16) penetrates through the longitudinal slide block and is in thread connection with the longitudinal slide block; two groups of edging devices are respectively arranged on a left side and a right side of the master plate (6); and a vacuum chuck (17) is arranged on the master plate (6). The copying double-sided glass edging machine has a simple structure, is provided with a control system, can realize double-sided grinding of curved glass, has high use efficiency, is convenient and quick to operate, can be used for edging the double sides when glass is run, is easy to operate, and is high in processing accuracy and low in cost.

The invention relates to an array-type forming 3D printing system, belongs to the technical field of quick forming, and particularly discloses a 3D forming system which can print a product in an array mode. The system comprises an array-type planar forming mechanism, an extrusion mechanism, feeding guide tubes, a Z-direction transmission mechanism, a printing platform, a printer shell and printing platform fixing seats; a spray head of the array-type planar forming mechanism is composed of multiple detachable spray head bodies, and the different detachable spray head bodies are fixedly connected through bolts to form the array-type spray head; the extrusion mechanism comprises feeding drive motors, a driving gear, shunting wheel systems, driven feeding wheels, driven feeding wheel support seats, shunting wheel system support seats and a feeding drive motor support seat; the printer shell is provided with the printing platform fixing seats used for fixing the printing platform. The array-type forming 3D printing system is low in cost, high in efficiency, economical in energy, high in practicability, suitable for batch production and worthy of popularization.

Apparatus and methods for applying flexible straps around objects include a feed and tension unit a feed drive wheel and a feed pinch wheel, a primary tension drive wheel and a primary tension pinch wheel, and a secondary tension drive wheel and a secondary tension pinch wheel, wherein at least one of the pinch wheels is controllably biased against the respective drive wheel by a solenoid that is controlled in two stages: a first stage that provides a full feed or tensioning force and a second stage that provides a reduced feed or tensioning force by altering the pulse width modulation of the solenoid. In another embodiment, the three sets of wheels of the feed and tension unit are configured to provide a simplified "V-shaped" strap path that reduces bending of the strap, thereby reducing friction and consequent feeding difficulties. In another embodiment, the feed and tension unit includes inner and outer guides that form a strap channel through the feed and tension unit to provide easy access to the strap path for clearing the strap path in the event of a jam. In another embodiment, a track assembly includes a plurality of sections providing modularity of construction. Each section includes a backplate attached to at least one support member, and a slotted cover pivotably attached to the at least one support member proximate the backplate and moveable between an open position spaced apart from the backplate and a closed position proximate the backplate. In another embodiment, a cutting assembly for severing strap material includes a press platen and a cutter having a first cutting blade along a first edge thereof and a second cutting blade along a second edge thereof, the cutter being removably and variably engaged to the press platen.

A welding wire feed drive system is provided including belts mounted on wire drive rollers. One or both belts may be poly-V belts mounted on the rollers and positioned such that grooves of the belts are outward facing. Opposing grooves and projections of the belts may form an interfacing or interlocking arrangement suitable for the securement of a welding wire therein. The grooves and projections of the belts may be utilized to facilitate the movement of the welding wire towards a welding application.

The invention provides a synchronous body paper and face paper feeding device and a control method. The device is characterized in that a face paper front lay gauge, a face paper pressing wheel, a face paper side lay gauge, a body paper front lay gauge and a body paper lifting plate assembly are configured with cam mechanisms respectively and are driven by the respective cam mechanisms; a face paper motor drives a low-speed face paper feeding belt assembly, a body paper induced draft air distribution valve, a face paper side pull gauge and cam mechanisms thereof through a synchronous toothed belt or a roller chain; a paper injection driving roller, an upper pressing driving roller, a paper feeding driving roller, a high-speed face paper injection wheel and a high-speed face paper conveying belt assembly are driven by a body paper motor at the same speed. The distance between the face paper front lay gauge and a laminating roller is equal to the distance between the body paper front lay gauge and the laminating roller, so that body paper and face paper reach a converging point at the same time, and surface lamination is completed. The functions of synchronously feeding the body paper and the face paper at a high speed and automatically aligning the body paper with the face paper can be realized, the use of the motors is reduced, and the phenomenon that the motors are frequently started is avoided. The working efficiency is improved, and the manufacturing cost is reduced.

An array of three-terminal switching elements such as light-emitting thyristors is formed from a thin semiconductor film. A combined semiconductor device may be formed by bonding the thin-film three-terminal switching elements to a major surface or edge surface of an integrated circuit chip including a shift register that shifts data supplied to the control electrodes of the three-terminal switching elements, or by bonding both the thin-film three-terminal switching elements and another thin semiconductor film including the shift register to a substrate. In either case, thin-film wiring may be used to interconnect the shift register and the switching elements, and the need for an array of large transistors to feed driving current to the switching elements is eliminated, reducing the size and cost of the combined semiconductor device, which can be advantageously used in the optical head of an electrophotographic printer.

A mechanism and method is provided for controllably loading multiple food loaves into the slicing station of a continuous slicing machine. The parallel loaves that are engaged by a common loaf feed drive or side-by-side, independent loaf feed drives are engaged by the loaf feed drive or drives simultaneously such that the interface or seam between a preceding loaf and a trailing loaf in different loaf feed paths are located substantially at the same location during slicing of two side-by-side loaf streams. A clamp device is provided that clamps multiple food loaves when loaded to move along the parallel food loaf paths together, wherein the clamp device can be released once the multiple food loaves are simultaneously engaged by the loaf feed drive.

The invention relates to a machine used for small package paper boxes, in particular to a tape threading machine for a paper box handle. The tape threading machine for the paper box handle comprises a handle feeding mechanism, a guide mechanism, a cutting mechanism, a gasket feeding mechanism and a positioning mechanism, wherein an upper supporting plate cover is arranged above a feeding supporting plate in the handle feeding mechanism; the outer edge of a feeding driving roller is formed in a through hole on the feeding supporting plate; guide plates are arranged on the two sides of a positioning plate in the guide mechanism; a guide driving roller is arranged below the positioning plate; a supporting device is arranged below the guide driving roller; a cutter in the cutting mechanism isconnected with a cutter driving device; a gasket driving roller in the gasket feeding device is connected with a gasket driving device; a returning spring is sleeved out of a positioning pin of the positioning mechanism; the other end of the positioning pin is placed on a transverse connecting plate; and the other end of the transverse connecting plate is provided with a lifting device. The tape threading machine has high efficiency; the feeding driving roller can realize rapid feeding; the handle is inserted into a gasket hole smoothly by the guide mechanism; and the positioning mechanism facilitates the transportation of a gasket in a continuous feeding process.

The invention discloses a core rod grinder, comprising a rod feeding platform and a rod grinding platform; wherein, the rod feeding platform is provided with two rod feeding driven wheels and driving wheels which are levelly arranged up and down, and the rod feeding driving wheels are connected with a rod feeding motor belt and provided with rotational screw threads on the surfaces and a rod feeding cross section consisting of the rod feeding driven wheels and driving wheels is an inverted isosceles triangle; the rod grinding platform is provided with two rod grinding driven wheels and driving wheels which are levelly arranged up and down, and the rod grinding driving wheels are connected with the rod feeding motor belt, and the rod grinding driven wheels and driving wheels are roller-typed grinding wheels and a rod grinding cross section consisting of the rod grinding driven wheels and driving wheels is an inverted isosceles triangle; and the rod feeding cross section is parallel with the rod grinding cross section and the center of the cross sections are on the same line. The invention is high in automation degree and stable in product quality, greatly reduces the labor intensity and eliminates most potential safety hazards; and after an outer cover is added, the working conditions are closed, and much of the dust is collected, thus ensuring the good health of workers and environmental sanitation.

The invention relates to a device for automatically eliminating clearances of a screw drive pair, which comprises a leading screw, a main nut, a bolt, a machine tool sliding plate, an adjusting bolt, a spring, a guide post, a nut with an inclined plane, a bolt, a locking nut, a wedge block and a ball. The device is characterized in that the main nut and the nut with the inclined plane are connected with the leading screw respectively, the main nut is connected with the machine tool sliding plate through the bolt, and the flange of the nut with the inclined plane is provided with a through hole so that the nut with the inclined plane can move axially along the guide post. The wedge block with a self-locking function is supported between the main nut and the nut with the inclined plane; andone end of the spring is pressed on the wedge block with the self-locking function, while the other end is tightly pressed by the adjusting bolt. The incline plane of the nut with the inclined plane is provided with a guide groove. The device automatically eliminates axial clearances, has no reverse idle stroke, has adjustable pretightening force, good axial rigidity, smooth transmission, low cost, compact structure and high space utilization rate, is applied to feed drive systems of a metal cutting machine tool and a numerical control machine tool, and can greatly improve the processing accuracy.

The invention discloses an ironing and interlining system which comprises a machine, a feeding device, a taking device and an ironing and interlining device. A conveying surface is arranged on the machine, and can be used for holding interlining ribbons. The feeding device is provided with a support, a feeding plate, feeding drive components and a positioning blowpipe, the support is connected to the machine, the feeding drive component is arranged on the machine and connected to the feeding plate to drive the feeding plate to move, the feeding plate is used for overlap placement of multiple cut-parts, the feeding plate is provided with fixing air suction holes, and the positioning blowpipe is arranged on the support and located above the feeding plate. The taking device is arranged on the machine and used for getting the cut-parts from the feeding plate and moving the cut-parts to the interlining ribbons located on the conveying surface. The ironing and interlining device is arranged on the machine and used for ironing and interlining the interlining ribbons and the cut-parts. The ironing and interlining system is timesaving, laborsaving and high in ironing and interlining efficiency.

A tamping assembly for a track tamping machine has a pair of tamping tools arranged on a carrier (2) so it is vertically adjustable in a tamping assembly frame and is designed as a rocker arm, the lower tamping pick ends (5) of which, which plunge into a ballast bed (4), are drivable in opposite directions using an oscillation drive (6) and can be fed hydraulically toward one another. To increase the stability of the tamping assembly, a hydraulic cylinder (11) and a distance sensor (12) for determining the hydraulic cylinder position are associated with each of the tamping tools (3) of a tamping tool pair, wherein the hydraulic cylinders (11) form the feed drive and also the oscillation drive (6) of the tamping tools (3) and the hydraulic cylinders (11) are activated in dependence on the distance sensor signal.

The invention discloses a rotary scrubbing control device capable of cleaning bearings with different sizes, and belongs to the field of precision bearing manufacturing. The rotary scrubbing control device capable of cleaning the bearings with different sizes comprises a rack (1), a feeding driving belt (6), a discharging driving belt (26), a clamping carrying mechanism (2) and a rotary scrubbing control device body, wherein the rack (1) is of a truss structure, and is used for fixing various components, the feeding driving belt (6) and the discharging driving conveying belt (26) are horizontally fixed to the rack (1), the rotary scrubbing control device body is fixedly arranged between the feeding driving conveying belt (6) and the discharging driving conveying belt (26), and the clamping carrying mechanism (2) is fixed to the rack (1), and is used for placing cleaning bearings (19) on the feeding driving belt (6) into the rotary scrubbing control device body and placing the cleaning bearings (19) on the discharging driving conveying belt (26) after cleaning is accomplished. The rotary scrubbing control device capable of cleaning the bearings with different sizes can continuously cleaning the bearings with different heights and diameters, and using performance of the bearings is improved.

A welding wire feeder includes a welding wire feed drive configured to drive welding wire towards a welding application and wire feed control circuitry coupled to the welding wire feed drive. The wire feed control circuitry is also configured to control the drive of welding wire towards the welding application. The welding wire feeder also includes power conversion circuitry and welding process control circuitry coupled to the power conversion circuitry. The power conversion circuitry is configured to receive input power from a welding power source and to convert the input power to controlled waveform welding output. The welding process control circuitry is configured to provide control signals for conversion of the input power to the controlled waveform welding output. The welding wire feeder also includes a process operator interface coupled to the welding process control circuitry and configured to permit operator selection of a controlled waveform welding process.